The present invention provides a battery-equipped electric chain block that is capable of preventing inclination and rocking of a housing while also enabling a reduction in the size of the housing. A electric chain block 1 comprises a load chain 13 which is linked to a lower hook 14; a load sheave 21 on which the load chain 13 is wound; an electric motor 22 which is disposed on one side of the load sheave 21 and which rotates the load sheave to wind the load chain 13 up or down; a brake 23 which is disposed between the load sheave 21 and the electric motor 22 and which brakes rotation of the load sheave 21; a battery 24 which is disposed on the other side of the load sheave 21 and which supplies electric power to the electric motor 22; and a speed reduction mechanism 25 which is disposed on the other side of the load sheave 21, which reduces the rotational speed of the electric motor 22, and which transmits the rotational speed to the load sheave 21, wherein the rotational axis of the load sheave 21 and the rotational axis of the electric motor 22 and the brake 23 are disposed on the same axis.
The present invention facilitates height adjustment of a container when the lifted container is inclined and the content is put into a receiving container. A hoisting machine 1 for lifting/lowering a container C by a chain Cl comprises: a load sheave 25; a drive motor 22; and a hoisting machine control unit 100. The hoisting machine control unit 100 includes: a memory 100a for storing a set load Wl0 to be a reference of a measured load W; a float calculation unit 100d and an input calculation unit 100e for controlling the drive motor 22 from a measured load Wl and the set load Wl0; and a position calculation unit 100c for calculating a lifting/lowering position of the container. The hoisting machine control unit 100 has a first torque control mode for storing the set load Wl0 in the memory 100a and performing control, and a second torque control mode for calculating and storing the set load Wl0 on the basis of the lifting/lowering position at predetermined intervals, and controlling the torque of the drive motor 22 on the basis of the measured load Wl and the stored set load Wl0. The hoisting machine control unit 100 controls the drive motor 22 in the second torque control mode during a work of inclining the lifted container C and putting the content into a receiving container P.
The present invention allows for a more compact electric chain block and provides an electric chain block that can be mounted with relatively low mounting precision on a rotary shaft. Provided is an electric chain block 10 for lifting and lowering a load, the electric chain block comprising: a magnet 210 mounted on a rotary shaft 60 that transmits a driving force from a motor 21, the magnetic poles of the magnet changing along the circumferential direction; and a magnetic sensor 220 which is disposed in state of non-contact with the magnet 210 and which detects the magnetic field of the magnet 210, wherein the magnet 210 is mounted on the leading-end side of the rotary shaft 60 before the driving force of the motor 21 is reduced by a reduction mechanism 80, the magnetic sensor 220 is disposed at a position offset a prescribed distance from the axis of the rotary shaft 60 and outputs at least two detection signals of different phase, and the at least two detection signals of different phase are a detection signal for a longitudinal magnetic field, which is a magnetic field along the axial direction, and a detection signal for a transverse magnetic field orthogonal to the longitudinal magnetic field.
Provided are: a hoisting machine capable of smoothly mounting a member on a mounting surface; a hoisting machine system; and a method for using the hoisting machine system. A hoisting machine 1 comprises: a hoisting means 25; a drive motor 22 for rotating the hoisting means 25; a load calculation means 100b for calculating the load of the hoisting means 25; and a motor control means 100 for controlling the drive motor 22. The motor control means includes: a first torque control mode in which the torque of the drive motor 22 is controlled on the basis of a reference torque Tm0 corresponding to a reference load and a load torque Tl corresponding to the load; and a second torque control mode in which the torque of the drive motor 22 is controlled so that the torque is smaller by a predetermined amount as compared to the first torque control mode.
B25J 19/00 - Accessoires adaptés aux manipulateurs, p. ex. pour contrôler, pour observerDispositifs de sécurité combinés avec les manipulateurs ou spécialement conçus pour être utilisés en association avec ces manipulateurs
B66D 3/20 - Palans à moteur à moteur d'entraînement, p. ex. le moteur électrique, tambour ou cylindre dans le même carter
5.
ELECTROMAGNETIC BRAKE CONTROL DEVICE AND HOISTING MACHINE
Provided is an electromagnetic brake control device for controlling an electromagnetic brake without delay. An electromagnetic brake control device 55 for controlling an electromagnetic brake 54 for braking the rotation of an AC motor 53 when the energization of an electromagnetic brake coil 54a is cut off includes: a rectifier 81 having a DC side connected to the electromagnetic brake coil 54a; a switching unit 84 for switching a rectifier circuit RL connecting the rectifier 81 and the electromagnetic brake coil 54a to conduction and cutoff to control power to the electromagnetic brake coil 54a; a DC converter 82 connected to a motor drive AC circuit 51a and converting AC power to a predetermined DC voltage; an electromagnetic brake release circuit unit 85 for switching the switching unit 84 to a conductive state by the DC voltage generated by the DC converter 82; and an electromagnetic brake operation command unit 83 for switching the switching unit 84 to a cutoff state when a value of a current waveform of the AC motor 53 continues for a predetermined determination time or more in a state between the positive threshold and the negative threshold.
This method for setting a hoist that is equipped with an encoder for detecting the rotation speed of a drive motor and that lifts and lowers an article by rotating a load sheave using a driving force of the drive motor so as to roll up and roll down a load chain, the method comprising: a drive step for driving the drive motor at a constant rotation speed while applying a tensile force to the load chain; a storage step for storing, in a storage means, positional information obtained from the encoder in the drive step and a motor torque command value for controlling the drive motor in association with said positional information; and a speed correction curve calculation step for calculating a speed correction curve for driving the drive motor on the basis of cyclical variations in the motor torque command value stored in the storage step.
B66D 3/26 - Autres parties constitutives, p. ex. carters
G05B 13/04 - Systèmes de commande adaptatifs, c.-à-d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques impliquant l'usage de modèles ou de simulateurs
7.
HOISTING MACHINE AND DRIVE CONTROL METHOD FOR HOISTING MACHINE
Provided are a hoisting machine and a drive control method for the hoisting machine, by which, in a balancer mode, the task of raising/lowering a load near a limit position can be performed intuitively in a state where a worker is made aware of the limit position. A motor control means of a hoisting machine 10 is able to control driving of a drive motor 40 in a balancer mode on the basis of a measurement of a load at a load sensor 90. The balancer mode includes a first balancer mode for controlling the driving of the drive motor on the basis of a first torque command value to which an assist torque for assisting with an operating force has been added. Within an upper limit attenuation region UAR, control for decreasing the assist torque is performed in accordance approaching a balancer upper limit position MT2, and within a lower limit attenuation region LAR that is within a predetermined range on the upper side from a balancer lower limit position MB2, control for decreasing the assist torque is performed in accordance with approaching the balancer lower limit position MB2.
The present invention minimizes long-period simple-harmonic oscillation generated in a conveyance object when the conveyance object is moved along an X-Y plane by a crane or the like. The present invention comprises: a detection unit 41 which detects a change in target speed of a horizontal moving device H and updates the target speed; an acceleration waveform determination unit 42 which, from the speed difference between the updated target speed and the current speed of the horizontal moving device H, determines three acceleration waveforms, which are a first acceleration waveform P1, a second acceleration waveform P2, and a third acceleration waveform P3 for generating an acceleration waveform; a timing determination unit 43 which determines start timings for the three acceleration waveforms so that the respective phases of oscillatory waveforms generated in a hoisting load when the horizontal moving device H is driven according to each of the three acceleration waveforms are shifted by 1/3 from each other; an acceleration command signal generation unit 44 which generates an acceleration command signal indicating that the acceleration of the three acceleration waveforms is to start at the respective start timings determined by the timing determination unit 43; and a movement control unit 22 which generates a drive command signal on the basis of the acceleration command signal and drives the horizontal moving device H.
In a transport system, when transporting a suspension means other than at the time of dynamic lift-off when a package is lifted or other than at the time of landing when the package is placed, a third control means executes holding control to perform holding by a holding means, a first control means executes torque control to lower the suspension means when the load increases and to hoist the suspension means when the load decreases, at the time of dynamic lift-off when the package is lifted from the placement surface, or at the time of landing when the package is placed on the placement surface, the third control means executes release control to release the holding by the holding means, and the first control means executes the height control in which the hoisting machine is actuated to control moving the holding means to the target height.
B66C 13/08 - Dispositifs auxiliaires pour commander les mouvements des charges suspendues ou pour empêcher le câble de prendre du mou pour déposer les charges selon un orientement ou dans une position donnés
B66C 17/26 - Ponts roulants à chariot transbordeur comportant une ou plusieurs poutres principales sensiblement horizontales dont les extrémités reposent directement sur des roues ou des rouleaux se déplaçant sur une voie soutenue par des supports espacés spécialement adaptés à des buts particuliers, p. ex. dans des fonderies ou des forgesPonts roulants à chariot transbordeur comportant une ou plusieurs poutres principales sensiblement horizontales dont les extrémités reposent directement sur des roues ou des rouleaux se déplaçant sur une voie soutenue par des supports espacés combinés avec des appareils auxiliaires servant des buts particuliers combinés avec des appareils auxiliaires, p. ex. scies à grumes, organes pousseurs pour décharger les véhicules, dispositifs pour faire changer de voie les véhicules ferroviaires
11.
Method of and apparatus for controlling single-phase induction motor, and electric chain block
To provide a single-phase induction motor control method and apparatus and an electric chain block which are capable of appropriately judging an overload of a single-phase induction motor even when the single-phase induction motor is in a condition where energization of an auxiliary coil is repeated.
Provided is a method of controlling a single-phase induction motor including a main coil ML, an auxiliary coil AL, a capacitor C, and an SSR (solid-state relay) power circuit 121, in which the main coil ML is supplied with an electric current from a single-phase alternating-current power supply 200 through the SSR power circuit 121, and when the load is heavy, the auxiliary coil AL is energized. An overload is judged based on the ratio of energizing time during which the auxiliary coil AL is energized within a predetermined time.
A hanging fitting including a link and a rotary fitting, the rotary fitting including an anchor fitting, and a rotary coupling member mounted on the anchor fitting in a state of being rotatable, the rotary coupling member beings provided with a main body part, the main body part being integrally formed with: a base part; a pair of raised parts; and a beam part which surrounds, together with the pair of raised parts, a coupling hole to which the link is pivotally coupled, the pair of raised parts being provided with link receiving parts each provided at a position further away from the anchor fitting in an axial direction of a rotation axis than the base part and provided at a position where the link comes into contact therewith in a state where a tip of the link has a predetermined gap with respect to a cargo.
B66C 1/66 - Éléments ou dispositifs de prise de la charge adjoints aux mécanismes de levage, de descente ou de halage, ou adaptés pour être utilisés avec ces mécanismes et transmettant les efforts à des articles ou à des groupes d'articles par moyens mécaniques comportant des organes de saisie ayant une forme complémentaire de celle des objets à manipuler s'engageant dans des trous, des évidements ou des renflements spécialement aménagés sur les objets pour en permettre la prise
A hanging fitting is fixed to a mounting surface of a cargo. The hanging fitting comprises: a rotary coupling member which rotates around a direction orthogonal to the mounting surface of the cargo; and an anchor fitting which has a male threaded part to be screwed into the mounting surface of the cargo, and pivotally supports the rotary coupling member. The rotary coupling member comprises: a main body part; an arched beam part provided at an upper part of the main body part; and an opening part formed by providing the beam part. At least a part of at least either one side surface of two side surfaces provided at both end portions in a width direction of the beam part has a shape projecting outward at a midpoint of the beam part in an extending direction or at a position shifted by a predetermined amount from the midpoint.
B66C 1/66 - Éléments ou dispositifs de prise de la charge adjoints aux mécanismes de levage, de descente ou de halage, ou adaptés pour être utilisés avec ces mécanismes et transmettant les efforts à des articles ou à des groupes d'articles par moyens mécaniques comportant des organes de saisie ayant une forme complémentaire de celle des objets à manipuler s'engageant dans des trous, des évidements ou des renflements spécialement aménagés sur les objets pour en permettre la prise
15.
Upper and lower limit detecting apparatus and method for electric chain block
An upper and lower limit detecting apparatus and method for a load suspending device of an electric chain block capable of easily and rapidly detecting reaching of the load suspending device to a lower limit without providing a lower limit reaching detection limit switch. In an electric chain block including electric motor, friction clutch, electromagnetic brake, speed reduction gear mechanism, load sheave, load chain, load suspending device, etc., the reaching of the load suspending device to the upper limit is detected by an upper-limit reaching detection limit switch, and the reaching of the load suspending device to the lower limit is detected by judging, with an electric power type overload limiter, that the power consumption of the electric motor has exceeded a predetermined value as a result of a stopper abutting against a chain guide and the friction clutch being dragged by rotational force of the electric motor.
G01L 5/00 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques
G01L 1/26 - Mesures auxiliaires prises, ou dispositifs utilisés en liaison avec le mesurage des forces, p. ex. pour empêcher l'influence des composantes transversales de la force, pour empêcher la surcharge
The present invention effectively reduces physical burden on a wearer during a motion of the wearer. A motion assist device according to the present invention is characterized by comprising belts that are disposed from the shoulders of a wearer to the back of the knees of the wearer on the back side of the wearer when the wearer is wearing the motion assist device, wherein the portions of the belts that are disposed along the buttocks of the wearer are made of a first elastic material that stretches along the buttocks as the wearer transitions from a standing posture to a forward-leaning posture or a squatting posture. The motion assist device also comprises shoulder strap members that branch from the back side of the wearer and are hung over and across the left and right shoulders to the chest side of the wearer. Preferably, the portions of the shoulder strap members on the chest side and the back side are connected via the right and left underarms of the wearer, and shoulder-top portions of the shoulder strap members are connected to the upper ends of the belts, so that the portions of the shoulder strap members on the back side are pressed against the back of the wearer due to a recovery force of the belts.
A61F 5/01 - Dispositifs orthopédiques, p. ex. dispositifs pour immobiliser ou pour exercer des pressions de façon durable pour le traitement des os fracturés ou déformés, tels que éclisses, plâtres orthopédiques ou attelles
A hanging fitting comprising a rotary fitting, the rotary fitting comprising: an anchor fitting; a rotary coupling member pivotally supported by the anchor fitting; a first bearing which supports the rotary coupling member rotatably; and a second bearing which supports the rotary coupling member rotatably, the rotary coupling member being provided with a rotary shaft part; the anchor fitting being provided with a fixing portion, and a fitting coupling part; the fitting coupling part being provided with a coupling recessed part; the first bearing comprising a circumscribed recessed groove, an inscribed recessed groove facing the circumscribed recessed groove, and a plurality of first bearing balls inserted into an endless passage; and the second bearing comprising a circumscribed step part, an inscribed step part facing the circumscribed step part, and a plurality of second bearing balls inserted into an endless passage.
A clutch-equipped motor comprising: a stator capable of generating a rotating magnetic field; a rotor rotated by the rotating magnetic field; a motor shaft capable of rotating with respect to the rotor via a bearing; and a friction clutch mechanism arranged on an end portion side of the rotor in an axial direction of the motor shaft, wherein the friction clutch mechanism has: a clutch plate rotating integrally with the rotor; a connection member having a cylindrical part, the motor shaft and the drive transmission shaft being inserted into an inner cylindrical portion of the cylindrical part in a state of rotating integrally with the cylindrical part; a clutch receiver rotating integrally with the connection member; and a biasing means for biasing the clutch plate and the clutch receiver in a direction of bringing the clutch plate and the clutch receiver into contact with each other.
H02K 7/108 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des embrayages à friction
B66D 3/20 - Palans à moteur à moteur d'entraînement, p. ex. le moteur électrique, tambour ou cylindre dans le même carter
F16D 13/40 - Embrayages à friction avec organes d'embrayage mobiles selon l'axe à surfaces d'embrayage plates, p. ex. des disques dans lesquels l'organe ou chacun des organes mobile selon l'axe est pressé exclusivement contre un organe situé dans l'axe
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
The present invention provides a hanging fitting which makes it possible to prevent plastic deformation of a spring member even when a load acts thereon in a state in which a hanging ring is positioned in a prohibited direction. A hanging fitting 10 makes it possible to hang a load with a hook by attachment to the load with a shaft-like fixing member 50, said hanging fitting 10 comprising: a hanging member 60 that has an engagement part 61 which is capable of engaging with the hook and a rotation shaft part 62 which is connected to the engagement part 61; a support fitting 20 that has an insertion hole 22 and a shaft hole 24 which are orthogonal to each other, that is supported in a manner to as to be freely rotatable about the fixing member 50 in a state where the fixing member 50 is inserted in the insertion hole 22, and that supports the hanging member 60 in a freely rotatable manner with the rotation shaft part 62 inserted in the shaft hole 24; and a biasing means 70 that is disposed on the support fitting 20 and biases an outer peripheral part of the rotation shaft part 62. Provided to the outer peripheral part of the rotation shaft part 62 is an accommodation recess 63 which is recessed and into which part of the biasing means 70 enters.
B66C 1/66 - Éléments ou dispositifs de prise de la charge adjoints aux mécanismes de levage, de descente ou de halage, ou adaptés pour être utilisés avec ces mécanismes et transmettant les efforts à des articles ou à des groupes d'articles par moyens mécaniques comportant des organes de saisie ayant une forme complémentaire de celle des objets à manipuler s'engageant dans des trous, des évidements ou des renflements spécialement aménagés sur les objets pour en permettre la prise
22.
Rotation lock device, lever hoist, and hoisting machine
A rotation lock device comprising: a stopper support member rotating integrally with a shaft-shaped member; a stopper member supported by the stopper support member in a state of being slidable; a holding means configured to hold the stopper member; an urging means configured to urge the holding means toward a first rotation direction with respect to the stopper member; and a stopper locking means configured to stop a rotation of the shaft-shaped member by engaging with the stopper member, wherein when the shaft-shaped member accelerates the rotation toward the first rotation direction, a holding force for the stopper member by the holding means is decreased and/or released by an inertial load of the holding means to cause the stopper member to project from the predetermined position to a position where the stopper member engages with the stopper locking means to thereby stop the rotation of the shaft-shaped member.
B66D 3/14 - Dispositifs à chaînes ou à éléments similaires manœuvrés manuellement, avec ou sans mécanisme de transmission entre l'organe de manœuvre et la corde, la chaîne ou le câble de hissage à levier
B66D 5/02 - Freins de grues, d'ascenseurs, de palans ou de treuils opérant sur des tambours, des cylindres ou des cordes
A load detection mechanism for detecting a load of an object includes a first member connected to a fixed structure; a second member for suspending an object; a pin (CP1, CP2) configured to cause the second member to be suspended from the first member by continuously penetrating the first member and the second member; a plurality of strain gauges (SG1 to SG8) attached to the pin; and a circuit substrate disposed above the second member. A connection circuit (CC) forming a bridge circuit by connecting the plurality of strain gauges and an amplification circuit (AC) configured to amplify output from the bridge circuit are formed on the circuit substrate.
G01G 19/18 - Appareils ou méthodes de pesée adaptés à des fins particulières non prévues dans les groupes pour peser des charges suspendues ayant des dispositifs électriques sensibles au poids
G01L 1/22 - Mesure des forces ou des contraintes, en général en mesurant les variations de la résistance ohmique des matériaux solides ou des fluides conducteurs de l'électricitéMesure des forces ou des contraintes, en général en faisant usage des cellules électrocinétiques, c.-à-d. des cellules contenant un liquide, dans lesquelles un potentiel électrique est produit ou modifié par l'application d'une contrainte en utilisant des jauges de contrainte à résistance
This method for setting a hoist that is equipped with an encoder for detecting the rotation speed of a drive motor and that lifts and lowers an article by rotating a load sheave using a driving force of the drive motor so as to roll up and roll down a load chain, the method comprising: a drive step for driving the drive motor at a constant rotation speed while applying a tensile force to the load chain; a storage step for storing, in a storage means, positional information obtained from the encoder in the drive step and a motor torque command value for controlling the drive motor in association with said positional information; and a speed correction curve calculation step for calculating a speed correction curve for driving the drive motor on the basis of cyclical variations in the motor torque command value stored in the storage step.
A brake device comprising: a brake receiver pivotally supported in a non-rotatable manner on the drive shaft and including a flange part and a boss part; a female screw member pivotally supported in a rotatable manner on the drive shaft and screwed to a male screw part; a ratchet wheel including ratchet teeth provided on an outer peripheral side and configured to restrict a rotation direction to one direction; a brake plate arranged between the ratchet wheel and at least one of the flange part and the female screw member; and at least one pawl member engaging, on a tip side, with a valley part located between adjacent ratchet teeth, and meshing with the ratchet tooth, wherein the ratchet teeth include tall teeth and short teeth lower in projection height from a rotation center of the ratchet wheel than the tall teeth.
B66D 3/14 - Dispositifs à chaînes ou à éléments similaires manœuvrés manuellement, avec ou sans mécanisme de transmission entre l'organe de manœuvre et la corde, la chaîne ou le câble de hissage à levier
A chain inlet/outlet, from which a load chain on a load side is hauled in or paid out, has a first guide groove having a first longitudinal groove and a first lateral groove. The chain inlet/outlet also has a second guide groove that is provided on a deeper side of a body part than the first guide groove is and has a second longitudinal groove and a second lateral groove. The first guide groove has narrowed parts that determine, when each link of the load chain is pulled in, into which of the first longitudinal groove and the first lateral groove the link is introduced, and expanded groove parts having a width larger than the groove width of the narrowed parts and provided on the outer side, farther away from the center of the chain inlet/outlet than the narrowed parts.
B66D 3/26 - Autres parties constitutives, p. ex. carters
B66D 3/20 - Palans à moteur à moteur d'entraînement, p. ex. le moteur électrique, tambour ou cylindre dans le même carter
B66D 3/16 - Dispositifs à chaînes ou à éléments similaires manœuvrés manuellement, avec ou sans mécanisme de transmission entre l'organe de manœuvre et la corde, la chaîne ou le câble de hissage actionnés par une chaîne sans fin passant sur une poulie ou un pignon denté
An electric chain block comprising: a main body part; a bucket-mounting bracket including a bucket-mounting part to which a chain bucket for housing a load chain is mounted, wherein: the main body part is provided with a side surface chain entry/exit port, and a shaft recessed part in which a shaft hole for inserting a linking shaft for mounting the upper hook to the main body part opens, and which is recessed from the side surface; the bucket-mounting bracket is provided with a fixing flange part, and a bucket-mounting part which projects to an opposite side to the fixing flange part: and the shaft recessed part is provided with a mounting seat which the fixing flange part is brought into contact with in a direction crossing a first wall surface in which the shaft hole opens and fixed to by a fixer (e.g., a fixing means).
B66D 3/00 - Appareils de levage ou de traction portatifs ou mobiles
B66D 3/16 - Dispositifs à chaînes ou à éléments similaires manœuvrés manuellement, avec ou sans mécanisme de transmission entre l'organe de manœuvre et la corde, la chaîne ou le câble de hissage actionnés par une chaîne sans fin passant sur une poulie ou un pignon denté
B66D 3/20 - Palans à moteur à moteur d'entraînement, p. ex. le moteur électrique, tambour ou cylindre dans le même carter
Provided are a rotation lock device and hoisting machine capable of preventing a shaft-shaped member from becoming unrotatable due to unintentional actuation when the shaft-shaped member is rotated in the hoisting direction. A holding plate 140 of a rotation lock device 100 has a guide groove 145 that engages a stopper projection 131 and holds a stopper member 130 in a prescribed position in the radial direction of a stopper support member 120. The other side of the guide groove 145 in the circumferential direction is provided with a third restriction wall 145d1 that prevents the holding plate 140 from rotating relative to the stopper support member 120 in the second rotational direction opposite to the first rotational direction, by engaging the stopper member 130 at a position where the stopper member 130 protrudes radially outward. When the stopper projection 131 is engaged with the third restriction wall 145d1, the stopper member 130 and the stopper locking means 120 are located at the non-locking site.
B66D 3/14 - Dispositifs à chaînes ou à éléments similaires manœuvrés manuellement, avec ou sans mécanisme de transmission entre l'organe de manœuvre et la corde, la chaîne ou le câble de hissage à levier
30.
TRANSPORT SYSTEM AND METHOD FOR CONTROLLING TRANSPORT SYSTEM
Provided are a transport system and a method for controlling the transport system that are simple in configuration, have less restrictions on movement on the robot device side, and can improve operability when transporting a package. In a transport system 10, when transporting a suspension means 70 except for when hoisting a grounded package P from a placement surface, or except for when landing the package P on the placement surface, a third control means executes holding control to perform holding by a holding means, and a first control means executes, on the basis of a result of detection of a change in acting load by a load detection means 44, torque control to hoist down the suspension means 70 when the load increases, or to hoist up the suspension means 70 when the load decreases. When hoisting the grounded package P, or when landing the package P on the placement surface, the third control means executes release control to release the holding by the holding means 60, and the first control means executes height control to activate a hoisting machine 30 so as to control the holding means 60 to move to a target height in an up-down direction.
B25J 19/00 - Accessoires adaptés aux manipulateurs, p. ex. pour contrôler, pour observerDispositifs de sécurité combinés avec les manipulateurs ou spécialement conçus pour être utilisés en association avec ces manipulateurs
B66D 1/46 - Dispositifs de commande non automatiques électriques
31.
Control apparatus for electric motor-driven hoisting-lowering device
To achieve a size reduction by on-off controlling non-contact switching devices with a microcomputer. When a three-phase alternating-current electric motor is to be used, lead wires of the three-phase alternating-current electric motor are connected to output terminals of a control board. When a single-phase alternating-current electric motor is to be used, two supply terminals of the control board are electrically connected together through a first connecting member, and one end of the first connecting member is defined as a single-phase alternating-current power supply terminal. A second connecting member is connected to a supply terminal, and one end of the second connecting member is defined as a single-phase alternating-current power supply terminal. A main winding of the single-phase alternating-current electric motor is connected to the output terminals, and an auxiliary winding is connected to the output terminal and the second connecting member.
H02P 25/16 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de moteur ou par des détails de structure caractérisés par des dispositions de circuit ou par le type de câblage
B66D 1/46 - Dispositifs de commande non automatiques électriques
H02M 1/08 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques
H02M 7/06 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge sans électrode de commande ou des dispositifs à semi-conducteurs sans éléctrode de commande
32.
Winding machine and method of controlling driving of winding machine
A winding machine wherein a motor control means is able to control driving of a drive motor in a balancer mode, and the balancer mode includes a first balancer mode in which driving of the drive motor is controlled based on a first torque command value with an assist torque that assists the operating force added thereto, and a second balancer mode in which driving of the drive motor is controlled based on a second torque command value that does not assist the operating force, and a lifting/lowering position range is set to a first position range where control is performed in the first balancer mode regardless of the direction of the operating force being in either the winding up or winding down direction, and a second position range where control is performed to select whether control is performed in the first balancer mode or in the second balancer mode.
A hoist comprising: an upper hook; a support shaft that includes a hook-side large-diameter portion inserted through an insertion hole of the hook at a center portion, end large-diameter portions at both ends, an intermediate portion between the hook-side large-diameter portion and the end large-diameter portion, and a strain deformation portion that is provided at the intermediate portion; a main frame that includes a pair of support holes and is suspended and supported by the upper hook via the support shaft with the end large-diameter portion on one side inserted in the one support hole and the end large-diameter portion on the other side inserted in the other support hole; and a load measurement means that is attached to the strain deformation portion and measures a shear load acting on the strain deformation portion, wherein at least a portion of the intermediate portion is inserted in the support hole.
Provided are a single-phase induction motor control method, a control device, and an electric chain block that make it possible to properly determine a motor overload, even in a state where the single-phase induction motor is repeatedly feeding electrical power to an auxiliary coil. The single-phase induction motor comprises a main coil ML, an auxiliary coil AL, a capacitor C, and an SSR power circuit 121, and in the single-phase induction motor control method, an electrical current is fed to the main coil ML via the SSR power circuit 121 from a single-phase alternating current power source 200, and the electrical current is fed to the auxiliary coil AL if the load is large. An overload is determined in accordance with the proportion of an energization time during which the electrical current is fed to the auxiliary coil AL during a prescribed time period.
The present invention generates an appropriate reaction force using an elastic body and reduces the load on the back of a user while suppressing displacement of a worn tool, such as a safety belt that is worn. This motion assistance device has: a worn tool that a user wears on their upper body; a vertical elastic body positioned on the back of the user; lower-limb belts that are connected to the lower part of the elastic body and transmit the biasing force of the elastic body to the lower limbs of the user; and straps, one end of which being connected from the front of the upper body of the user of the worn tool to the area between the upper shoulders, and the other end of which being connected above the back of the user to the upper part of the elastic body.
A62B 35/00 - Ceintures ou harnais de sécuritéÉquipements similaires pour limiter le déplacement du corps humain, notamment en cas de changement brusque de mouvement
A41D 13/00 - Vêtements protecteurs de travail ou de sport, p. ex. blouses de chirurgien ou vêtements protégeant des coups ou des chocs
Provided is a hanging fitting in which it is possible to prevent a link from colliding with a load and to prevent any increase in the number of components and the workload involved with manufacturing. A rotating fitting 20 of this hanging fitting 10 is provided with an anchor fitting 30 having an external thread part 31, and a rotary coupling member 40 that is capable of rotating relative to the anchor fitting 30. A body section 60 is provided to the rotary coupling member 40. In the body section 60, there are integrally formed: a pair of protruding parts 62 that are set apart from each other in the circumferential direction of a base part 61; a beam part 65 that is continuous with the protruding parts 62, the beam part 65 being such that a link 80 is pivotably coupled to a coupling hole 66 surrounded by the pair of protruding parts 62; and a link-receiving part 64 that is provided to a position set farther apart from the external thread part 31 in the axial direction than the bottom section of the coupling hole 66 and that moreover is provided to a position contacted by the link 80 in a state in which the distal end of the link 80 has a prescribed gap with respect to a load.
B66C 1/66 - Éléments ou dispositifs de prise de la charge adjoints aux mécanismes de levage, de descente ou de halage, ou adaptés pour être utilisés avec ces mécanismes et transmettant les efforts à des articles ou à des groupes d'articles par moyens mécaniques comportant des organes de saisie ayant une forme complémentaire de celle des objets à manipuler s'engageant dans des trous, des évidements ou des renflements spécialement aménagés sur les objets pour en permettre la prise
[Problem] To prevent friction at a rotary connection member from shortening the lifetime of a hanger by means of a structure that corrects the posture of a link relative to an anchor when a load is lifted. [Solution] This hanger is to be fixed to an attachment surface of a load and used when the load is hung. The hanger is characterized by comprising: a rotary connection member that rotates around an axis that is orthogonal to the attachment surface of the load; and an anchor that rotatably supports the rotary connection member and has a male screw part that engages a female screw part that has been provided to the attachment surface of the load. The hanger is also characterized in that: the rotary connection member has a body part, an arched beam part that is provided above the body part, and an opening part that is formed as a result of the beam part being provided to an upper part of the body part; and, when the rotary connection member is seen in plan view, at least a portion of at least one of two side surfaces that are at either end of the beam part in the width direction protrudes to the outside at the center of the beam part in the extension direction of the beam part or at a position that is offset a prescribed amount in the extension direction from the center.
B66C 1/66 - Éléments ou dispositifs de prise de la charge adjoints aux mécanismes de levage, de descente ou de halage, ou adaptés pour être utilisés avec ces mécanismes et transmettant les efforts à des articles ou à des groupes d'articles par moyens mécaniques comportant des organes de saisie ayant une forme complémentaire de celle des objets à manipuler s'engageant dans des trous, des évidements ou des renflements spécialement aménagés sur les objets pour en permettre la prise
39.
HANGING METAL FITTING AND METHOD FOR MANUFACTURING HANGING METAL FITTING
Provided are a hanging metal fitting and a method for manufacturing a hanging metal fitting, with which an increase in size can be prevented while two or more rows of bearings are arranged. In this hanging metal fitting (10), a rotating metal fitting (20) comprises an anchor metal fitting (30), a rotating linking member (60) supported so as to be free to rotate in relation to the anchor metal fitting (30), a first bearing (100) disposed between the anchor metal fitting (30) and the rotating linking member (60), and a second bearing (110) disposed between the anchor metal fitting (30) and the rotating linking member (60). The first bearing (100) comprises an external recessed groove (54) that is recessed from an inner wall surface (51a) of a linking recess (51), an internal recessed groove (71) that is recessed from the outer peripheral surface of a rotating shaft (70), and a plurality of bearing balls (101). The second bearing (110) comprises an external step (55) provided in the open portion of the linking recess (51), an internal step (72) provided at the base of the rotating shaft (70), and a plurality of second bearing balls (111).
F16B 35/04 - Boulons filetésBoulons d'ancrageGoujons filetésVisVis de pression avec tête ou axe de forme particulière permettant de fixer le boulon sur ou dans un objet
F16C 19/04 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges radiales principalement
F16C 19/10 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges axiales principalement
F16C 33/58 - Chemins de roulementBagues de roulement
F16M 13/00 - Autres supports ou appuis pour positionner les appareils ou les objetsMoyens pour maintenir en position les appareils ou objets tenus à la main
F16M 13/02 - Autres supports ou appuis pour positionner les appareils ou les objetsMoyens pour maintenir en position les appareils ou objets tenus à la main pour être portés par un autre objet ou lui être fixé, p. ex. à un arbre, une grille, un châssis de fenêtre, une bicyclette
Provided are an upper limit and lower limit detection device and an upper limit and lower limit detection method of a load hanging tool of an electric chain block, which can easily and quickly detect the arrival of a lower limit of the load hanging tool (hook) of the electric chain block without providing a lower limit arrival detection limit switch. An electric chain block includes an electric motor (10), a friction clutch (11), an electromagnetic brake (12), a reduction gear mechanism (13), a load sheave (2), a load chain (3), and a load hanging tool (6), wherein whether the load hanging tool (6) reaches an upper limit is detected by an upper limit arrival detection limit switch (18), whether the load hanging tool (6) reaches a lower limit is detected as a stopper (8) abuts on a chain guide (4A), the friction clutch (1) is dragged by a rotational force of the electric motor (10), and a power-type overload limiter (OLL) determines that the power consumption of the electric motor (10) becomes equal to or greater than a predetermined value.
Provided are a clutch-equipped motor and an electric chain block which can be made compact by shortening the axial length of a motor shaft, and which can prevent enlargement in the radial direction. This clutch-equipped motor 20 comprises: a solid motor shaft 25 which is inserted through the center of a rotor 24 in the radial direction and is rotatable relative to the rotor 24 via a bearing; and a friction clutch mechanism 30 disposed on one end side of the rotor 24 in the axial direction of the motor shaft 25. The friction clutch mechanism 30 has: a clutch plate 31 which is fixed to an end surface side of the rotor 24 in the axial direction and rotates integrally with the rotor 24; a connection member 32 which has a cylindrical part 321 and is inserted into an inner cylinder section of the cylindrical part 321 in a state where the motor shaft 25 and a drive transmission shaft 40 rotate integrally with the cylindrical part 321; a clutch receiver 322 which is disposed on the outer circumferential side of the connection member 32 and rotates integrally with the connection member 32; and an urging means 33 which urges the clutch plate 31 and the clutch receiver 322.
H02K 7/12 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec un mouvement auxiliaire limité de parties statoriques, rotoriques ou de noyau, p. ex. des rotors pouvant se déplacer axialement pour assurer un embrayage ou un freinage
B66D 3/20 - Palans à moteur à moteur d'entraînement, p. ex. le moteur électrique, tambour ou cylindre dans le même carter
H02K 7/108 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des embrayages à friction
Manual cranes; manual cranes for use in explosive atmospheres; electrical beam trolleys for attaching hoists Manual lever hoists; manual lever hoists for explosive atmospheres
Manual chain hoists used for lifting and rigging; manual chain hoists for use in explosive atmospheres manual push and gear beam trolleys for attaching hoists; manual push and gear beam trolleys for attaching hoists used in explosive atmospheres
Provided is a hoisting machine which can reliably stop the rotation of a shaft-like member when a brake device has failed, and which can also improve the mounting strength of a pawl shaft. This hoisting machine 10 comprises a rotation lock device 100 which locks the rotation of a shaft-like member 25, the rotation lock device 100 including: a stopper support member 120 which rotates integrally with the shaft-like member 25; a stopper member 140 which is slidably supported by the stopper support member 120; and stopper locking means 110 each having a locking wall 114 which stops the rotation of the shaft-like member 25 by being contacted by the stopper member 140, wherein, when the shaft-like member 25 has accelerated the rotation toward a first rotation direction, the stopper member 140 protrudes to a position engaging with the stopper locking means 110 to stop the rotation of the shaft-like member 25, each stopper locking means 110 is integrated with a pawl shaft 115, and the stopper locking means 110 is mounted to a frame 12 via a stay bolt B1.
B66D 3/14 - Dispositifs à chaînes ou à éléments similaires manœuvrés manuellement, avec ou sans mécanisme de transmission entre l'organe de manœuvre et la corde, la chaîne ou le câble de hissage à levier
09 - Appareils et instruments scientifiques et électriques
28 - Jeux, jouets, articles de sport
Produits et services
Safety harnesses, other than for vehicles or sports
purposes; anti-drop safety equipment for working in high
places; life-saving apparatus and equipment; alarms; sirens;
protective helmets; protection devices for personal use
against accidents; gloves for protection against accidents;
electric locks; laboratory apparatus and instruments;
photographic apparatus and instruments; optical apparatus
and instruments; 3D spectacles; measuring apparatus and
instruments; electrical switches; power distribution or
control machines and apparatus; rotary converters; phase
modifiers; inverters [electricity]; electrical cells and
batteries; electric or magnetic meters and testers; electric
wires and cables; buzzers; telecommunications apparatus and
instruments; electronic machines [not including geiger
counters, high frequency apparatus for welding, cyclotrons
[not for medical purposes], industrial X-ray machines and
apparatus [not for medical use], industrial betatrons [not
for medical use], magnetic prospecting machines, magnetic
object detectors, seismic exploration machines and
apparatus, hydrophone machines and apparatus, echo sounders,
ultrasonic flaw detectors, ultrasonic sensors, electronic
door closing control systems and electron microscopes];
computer programs; ultrasonic flaw detectors; magnetic
cores; resistance wires; electrodes; downloadable image
files; recorded video discs and video tapes; electronic
publications. Sports equipment, other than for climbing, surfing,
water-skiing and scuba diving; climbers' harness; fishing
tackle.
Provided are a load drop prevention device and a hoist which can prevent a load from falling even when a switching knob is operated to the downward direction by mistake during hoisting, and also can prevent the load from falling even when a reduction gear is damaged. A load drop prevention device 100 has: a storage recess 24 that is disposed in an extension portion 23 extending in the axial direction of a load sheave 20, and recessed from the outer periphery; a stopper member 110 that is stored in the storage recess 24; a retaining means for releasing the retention of the stopper member 110 if the centrifugal force becomes a specified value or more; a locking plate 130 that has an insertion hole 131 for inserting the extension portion 23; a locking recess 132 that is recessed from the inner wall of the insertion hole 131 of the locking plate 130 and into which the stopper member 110 protruding from the storage recess 24 is inserted; and a locking wall 133 that is disposed on one end side of the locking recess 132, and stops the rotation of the load sheave 20 by colliding with the stopper member 110.
B66D 5/04 - Freins de grues, d'ascenseurs, de palans ou de treuils opérant sur des tambours, des cylindres ou des cordes actionnés par force centrifuge
Provided are a brake device, a lever hoist, and a ratchet mechanism which are capable of preventing backward rotation of a ratchet even when a switching knob has been mistakenly manipulated in the lowering direction during hoisting. A brake device 70 comprises: a brake receiver 71 which is axially supported by a drive shaft 25 in an un-rotatable manner and which is provided with a flange part 71a and a boss part 71b; a female screw member 35 which is axially supported by the boss part 71b and which screws together with a male screw part 26 that is on the outer circumference of the drive shaft 25; a ratchet 80 which is sandwiched between the facing flange part 71a and female screw member 35, and which is provided on the outer circumference side thereof with ratchet teeth 83 that restrict the direction of rotation to one direction; brake plates 72a, 72b which are disposed between the ratchet 80 and at least one of the flange part 71a and the female screw member 35; and a pair of pawl members 90 which engage with the ratchet teeth 83 and which are disposed at positions that have symmetry centered on the drive shaft 25, wherein the ratchet 80 is provided with tall teeth 831 and short teeth 832 that have a lower protruding height from the center than the tall teeth 831.
B66D 3/14 - Dispositifs à chaînes ou à éléments similaires manœuvrés manuellement, avec ou sans mécanisme de transmission entre l'organe de manœuvre et la corde, la chaîne ou le câble de hissage à levier
22 - Cordes; filets; tentes, auvents, voiles et sacs; matières de rembourrage
Produits et services
Belts, not of metal, for handling loads; slings, not of
metal, for handling loads; harness, not of metal, for
handling loads; raw textile fibers; knitted cords;
Sanada-himo [Japanese-style cords]; starched cords; twisted
cords; cordage; netting, not of metal; industrial packaging
containers of textile; wrapping or binding bands, not of
metal; elastic bands for binding; tarpaulins; tents, not for
camping.
09 - Appareils et instruments scientifiques et électriques
28 - Jeux, jouets, articles de sport
Produits et services
Safety harnesses, other than for vehicles or sports purposes; anti-drop safety equipment for working in high places, namely, safety harness other than for vehicles or sports purposes, lanyards for safety purposes for fall protection; life-saving apparatus and equipment, namely life vests; smoke alarms; fire alarms; gas alarms; electronic door alarms; burglar alarms; personal security alarms; security alarms; sirens; protective helmets; protection devices for personal use against accidents, namely, helmet safety lights; reflective safety vests; safety googles; gloves for protection against accidents; electric locks; 3D spectacles; electrical switches; electric power distribution units; remote control units for hoists; rotary converters; phase modifiers; inverters; electrical cells and batteries; electric meters; electric wires and cables; electric buzzers; telecommunication machines and apparatus, namely, radios, portable radios, radio sets, radio receivers and radio signal tuners, wireless transceiver radios, and remote controls for hoists; downloadable computer operating system software programs; ultrasonic flaw detectors; magnetic cores; resistance wires; electrodes; downloadable image files featuring safety instructions for use of industrial equipment; pre-recorded video discs and video tapes featuring safety instructions for use of industrial equipment; electronic publications, namely, newsletters in the field of occupational and industrial worker safety Sports equipment, namely climbers' harness, ascenders being mountaineering equipment, mountaineering climbing belts; fishing tackle
Provided is an electric chain block with which it is possible to make a bucket-mounting bracket more compact and facilitate accommodating a load chain in a chain bucket. An electric chain block 10 comprises a bucket-mounting bracket 100, which is provided with a bucket-mounting part 105 to which is attached a chain bucket 90 that accommodates a load chain C1 of an unloaded side. A body 20 is provided with: a side surface chain entry/exit port 62b through which the load chain C1 on the unloaded side enters and exits the interior from the side surface of the body 20; and a shaft recess 33 that is indented with respect to the side surface. A shaft hole 34, for inserting a linking shaft S1 for mounting an upper hook 70 to the body 20, is open in the shaft recess 33. When a fixation flange 102 of the bucket-mounting bracket 100 is fixed by a fixation means to a mounting seat 35 located in the shaft recess 33, the fixation flange 102 is located at a position at which the fixation flange 102 interferes with the axial direction of the shaft hole 34.
B66D 3/16 - Dispositifs à chaînes ou à éléments similaires manœuvrés manuellement, avec ou sans mécanisme de transmission entre l'organe de manœuvre et la corde, la chaîne ou le câble de hissage actionnés par une chaîne sans fin passant sur une poulie ou un pignon denté
B66D 3/20 - Palans à moteur à moteur d'entraînement, p. ex. le moteur électrique, tambour ou cylindre dans le même carter
The present invention provides an electric chain block in which a limit switch can be pressed by a lower hook striking a body part and in which a link can be easily pulled into a chain inlet/outlet. A chain inlet/outlet 611, from which a load chain C1 on a load side is hauled in or paid out, has a first guide groove 620 having a first longitudinal groove 621 and a first lateral groove 622. The chain inlet/outlet 611 also has a second guide groove 630 that is provided on a deeper side of a body part 20 than the first guide groove 620 is and has a second longitudinal groove 631 and a second lateral groove 632. The first guide groove 620 has a narrowed section 623 that determines, when each link C1a of the load chain C1 is pulled in, into which of the first longitudinal groove 621 and the first lateral groove 622 the link C1a is introduced, and expanded groove sections 624 having a width larger than a groove width L2 and provided on the outer side, farther away from the center of the chain inlet/outlet 611, than the narrowed section 623 is.
B66D 3/16 - Dispositifs à chaînes ou à éléments similaires manœuvrés manuellement, avec ou sans mécanisme de transmission entre l'organe de manœuvre et la corde, la chaîne ou le câble de hissage actionnés par une chaîne sans fin passant sur une poulie ou un pignon denté
B66D 3/20 - Palans à moteur à moteur d'entraînement, p. ex. le moteur électrique, tambour ou cylindre dans le même carter
Provided are a brake release mechanism capable of easily releasing a brake mechanism without depending on the amount of screwing of a set screw or the like while having a simple configuration, a motor with a brake, and a hoisting machine. A brake release mechanism 200 comprises: a screw hole 211 that is formed in the cover bottom 321 of a motor cover 32; an insertion hole 210 that is formed in the cover bottom 321; a ball screw 220 that is screwed into the screw hole 211 until a first ball body 225 abuts on a drum member 82; a ball pin 230 that is inserted into the insertion hole 210 until a second ball body 233 abuts on the drum member 82; and an operation lever 240 that, with the ball screw 220 being screwed into the screw hole 211 until the first ball body 225 abuts on the drum member 82, pushes in while pressing the ball pin 230 inserted in the insertion hole 210. The screw hole 211 and the insertion hole 210 are separated by 1/4 or more in the circumferential direction of the cover bottom 321.
H02K 7/102 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des freins à friction
F16D 65/00 - Éléments constitutifs ou détails des freins
F16D 55/02 - Freins à surfaces de freinage substantiellement radiales pressées l'une contre l'autre dans une direction axiale, p. ex. freins à disques avec disques ou patins déplaçables selon l'axe pressés contre des organes en rotation situés dans l'axe
A main body provided with a pocket for accommodating a first chain link of another chain, and a lock lever which is capable of switching between a locked state and an unlocked state by pivoting, and which restricts disengagement of the first chain link from the pocket in the locked state, and allows the first chain link to disengage from the pocket in the unlocked state, which is resisted by an urging force of an urging member, wherein the lock lever is provided with a locking piece which projects from a pivot point toward the pocket side, and the locking piece projects toward a position in which movement of a second chain link in an escaping direction is restricted, a first operating piece extending to the side of the pivot point on which one chain is coupled, and a second operating piece extending to the opposite side.
22 - Cordes; filets; tentes, auvents, voiles et sacs; matières de rembourrage
Produits et services
(1) Belts, not of metal, for handling loads; slings, not of metal, for handling loads; harness, not of metal, for handling loads; raw textile fibers; cords made of textile fiber; Japanese-style cords made of textile fibers (sanada-himo); cordage; nets, not of metal for wrapping pallets; industrial packaging containers of textile; wrapping and binding bands, not of metal; elastic bands for binding; tarpaulins; tents, not for camping.
57.
CONTROL DEVICE FOR ELECTRIC HOISTING/LOWERING DEVICE
In the present invention, ON/OFF control of a contactless switching element is performed with a micro-computer to miniaturize and enabling sharing between a control substrate of a three-phase alternating-current motor and a control substrate of a single-phase alternating-current motor. When using a three-phase alternating-current motor (10), lead-out lines (11-1 to 11-13) of the three-phase alternating-current motor are connected to output terminals (Uv, Vt, Wt) of a control substrate (20). When using a single-phase alternating-current motor (50), two supply terminals (Rt, St) of the control substrate are electrically connected to each other via a first connection member (61), one end of the first connection member configured to be a single-phase alternating-current power supply terminal (SP1); a second connection member (62) is connected to a supply terminal (Tt), with one end configured to be a single-phase alternating-current power supply terminal (SP2); a main winding (51) of the single-phase alternating-current motor (50) is connected to the output terminals (Ut, Wt); and an auxiliary winding (52) is connected to the output terminal (Vt) and to the second connection member (62).
H02P 25/16 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de moteur ou par des détails de structure caractérisés par des dispositions de circuit ou par le type de câblage
B66D 1/46 - Dispositifs de commande non automatiques électriques
H02M 1/08 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques
58.
WINDING MACHINE AND METHOD OF CONTROLLING DRIVING OF WINDING MACHINE
Provided are: a winding machine that can control a torque of a drive motor to cancel an operating force at a balancer upper limit position and a balancer lower limit position; and a method of controlling driving of the winding machine. A motor control means of a winding machine 10 is characterized by being capable of controlling the driving of a drive motor 40 in a balancer mode on the basis of a measurement of a load by a load sensor 90 and performing the following controls (1) and (2) in the balancer mode. (1) In a balance position range between the balancer upper limit position and the balancer lower limit position, the driving of the drive motor 40 is controlled on the basis of a first torque command value obtained by adding/subtracting an assist torque, which assists an operating force, to/from a balance torque in a balanced state in which a load P is balanced. (2) In the balancer upper limit position and the balancer lower limit position, the driving of the drive motor 40 is controlled on the basis of a second torque command value obtained by adding/subtracting a cancel torque in a direction of canceling the operating force to/from the balanced torque.
This load detection mechanism (100) for detecting a load from an object comprises a first member (20) connected to a fixed structure, a second member (10) from which the object is suspended, pins (CP1, CP2) that cause the second member to be suspended from the first member by coupling the first member and second member, a plurality of strain gauges (SG1-SG8) that are attached to the pins, and a circuit substrate (30) that is disposed above the second member. Formed above the circuit substrate are a connection circuit (CC) that forms a bridge circuit by connecting the plurality of strain gauges and an amplification circuit (AC) that amplifies the output of the bridge circuit.
G01G 19/14 - Appareils ou méthodes de pesée adaptés à des fins particulières non prévues dans les groupes pour peser des charges suspendues
G01G 19/18 - Appareils ou méthodes de pesée adaptés à des fins particulières non prévues dans les groupes pour peser des charges suspendues ayant des dispositifs électriques sensibles au poids
G01L 1/22 - Mesure des forces ou des contraintes, en général en mesurant les variations de la résistance ohmique des matériaux solides ou des fluides conducteurs de l'électricitéMesure des forces ou des contraintes, en général en faisant usage des cellules électrocinétiques, c.-à-d. des cellules contenant un liquide, dans lesquelles un potentiel électrique est produit ou modifié par l'application d'une contrainte en utilisant des jauges de contrainte à résistance
60.
CYLINDRICAL OPERATION DEVICE AND ELECTRIC CHAIN BLOCK
Provided are a cylindrical operation device and an electric chain block that can effectively prevent the occurrence of load swaying and stabilize the speed at which the load is raised and lowered. A cylindrical operation device 60 that operates the driving of a motor 40 which provides a driving force for hoisting and lowering a load chain C1, comprising: a cylindrical member 64; a movable grip 70 that can slide over the cylindrical member 64 in the axial direction; a detection means 80 for detecting the sliding amount of the movable grip 70; a hook connection bar 90 that is disposed inside the cylindrical member 64 and connected to a hook 200 for hanging a load; and a spring body 100 that is housed inside the cylindrical member 64 and provides a biasing force for moving the hook connection bar 90 upward.
B66C 13/06 - Dispositifs auxiliaires pour commander les mouvements des charges suspendues ou pour empêcher le câble de prendre du mou pour limiter ou empêcher le balancement longitudinal ou transversal des charges
B66D 3/20 - Palans à moteur à moteur d'entraînement, p. ex. le moteur électrique, tambour ou cylindre dans le même carter
Provided is a hoist with a simple configuration that can prevent a device body and a load from falling even if a support shaft breaks. A hoist 10 comprises: an upper hook 30 that is provided with an insertion hole 33 that penetrates a hook base 32 in an orthogonal direction orthogonal to the hanging direction; a support shaft 100 that is provided with, at the center, a hook-side large-diameter portion 101 which is inserted into the insertion hole 33, and end large-diameter portions 102 at both ends; a main frame 21 that is suspended and supported by the upper hook 30 via the support shaft 100 in such a manner that the end large-diameter portion 102 on one side is inserted in one support hole 24 and the end large-diameter portion 102 on the other side is inserted in the other support hole 24; a strain deformation portion 103 that is provided in an intermediate portion 104 extending from the hook-side large-diameter portion 101 to the end large-diameter portions 102 and that has a smaller area than the intermediate portion 104; and a load measurement means 80 that is attached to the strain deformation portion 103 and measures a shear load acting on the strain deformation portion 103. At least part of the intermediate portion 104 is inserted into the support holes 24.
Provided are a hook latch latching mechanism and a hook that have a low number of components, are easy to manufacture, and have excellent operability. This hook/latch latching mechanism 100 comprises a releasable stopper 60 that is turnably attached to a hook latch 30, the releasable stopper 60 being attached so as to be capable of turning from a first fallen position on the distal-end side of the hook latch or a second proximal-end-side fallen position on the turning-fulcrum side of the hook latch 30 to an upright position, a main deforming part 63 that undergoes the greatest elastic deformation during turning being provided to the releasable stopper 60, a deformation operation part 37 that causes the main deforming part 63 to undergo greater elastic deformation when the releasable stopper 60 is positioned at the upright position than when the releasable stopper 60 is positioned at the fallen position being provided to the hook latch 30, and an orientation transition part 37b that causes the releasable stopper 60 to transition to the fallen state due to restoring force from the main deformation part 64 when the releasable stopper 60 is positioned between the upright position and the fallen position being provided to the hook latch 30.
Provided are a power control device and a power control method that can assist the work of lifting packages while seated. An assist chair 10 that assists the raising and lowering of loads while a worker is in a seated state comprises: a seat 30 that the worker sits upon; a base 20 that supports the seat 30; a support member 40 that is attached to either the base 20 or the seat 30 and extends upwards from the base 20 or the seat 30; linear members 60 having the feeding out or winding in thereof guided by at least part of the support member 40; a housing member 51 that houses the linear members 60; tip members 70 that are attached to the tips of linear members 60 and are worn or held by the worker; a drive means 80 that provides driving force to house the linear members 60 in the housing member 51 or feed out the linear members 60 from the housing member 51; and a control means 90 that controls the drive of the drive means 80.
Provided is a rope guide mechanism and a rope hoist that are capable of preventing the rope guide mechanism from becoming damaged by suppressing a wire rope from moving to a protrusion side. A rope guide mechanism 140 comprises: a first sliding member 160 which is provided with a first protrusion 162 formed on the inner circumferential side thereof and including a first protrusion sliding surface 162a that slides on a rope groove 111; and a second sliding member 170 which is provided with a second protrusion 172 formed on the inner circumferential side thereof and including a second protrusion sliding surface 172a. The first sliding member 160 is provided with a rope restricting section 165 that prevents the wire rope W from moving to another side in the axial direction where the first protrusion 162 is present. The rope restricting section 165 is provided more to one side in the axial direction than the bottom section 111a of the rope groove 111.
B66D 1/38 - Guidage ou autre procédé pour assurer un enroulement régulier des cordes, câbles ou chaînes au moyen de guides mobiles relativement au tambour ou au cylindre
B66D 3/20 - Palans à moteur à moteur d'entraînement, p. ex. le moteur électrique, tambour ou cylindre dans le même carter
66.
METHOD FOR ASSESSING OVERLOAD OF WOUND ELECTRIC MOTOR, AND METHOD FOR MANUFACTURING WINDER
Provided is a method for assessing an overload of a wound electric motor, the method making it possible to assess an overload with excellent precision, and moreover to ongoingly assess an overload with high precision even when an overload threshold value is changed. This method includes: an A step for measuring the relationship between an input voltage and a current over various loads in a wound electric motor serving as a reference; a B step for deriving, on the basis of the measured value, a reference overload assessment threshold value curve as a reference threshold value for assessing an overload, the reference threshold value being obtained through a reference function in which the current (i) is defined using a quadratic expression of the input voltage (v); a C step for determining whether to change the reference overload assessment threshold value curve; and a D step for assessing an overload of the wound electric motor serving as a subject on the basis of the reference overload assessment threshold value curve when the reference overload assessment threshold value curve is not changed, and assessing the overload of the wound electric motor serving as a subject on the basis of a corrected overload assessment threshold value curve obtained using a quadratic expression in which a segment of the reference function is corrected when the reference overload assessment threshold value curve is changed.
Provided is a cable gland that is capable of preventing, for a prolonged period of time, liquid such as rainwater from entering inside a housing. This cable gland 10 is for covering the circumference of a cable C1 to be inserted through a housing through-hole 101 of a housing 100, the cable gland being provided with: an elastic member 60 provided with an insertion hole 61 allowing the cable C1 to pass therethrough; a cylindrically-shaped casing 20 that holds the elastic member 60 from the outer circumferential side and that is disposed so as to surround the housing through-hole 101; a metallic ring-shaped member 71 disposed so as to be in contact with an end face of the elastic member 60; a film-like member 72 that is disposed integrally with or independently of the ring-shaped member 71, that elastically deforms more easily than the elastic member 60, and that is provided with a film through-hole 72a having a diameter smaller than those of the cable C1 and insertion hole 61; and a cylindrically-shaped cap body 30 that is mounted to the casing 20 and that presses the ring-shaped member 71 against the elastic member 60.
F16J 15/10 - Joints d'étanchéité entre surfaces immobiles entre elles avec garniture solide comprimée entre les surfaces à joindre par garniture non métallique
H02G 3/22 - Installations de câbles ou de lignes à travers les murs, les sols ou les plafonds, p. ex. dans les immeubles
H05K 7/00 - Détails de construction communs à différents types d'appareils électriques
This electric hoisting machine comprises: a motor driven by single-phase current; a cylindrical motor housing; a starting capacitor; a operating capacitor; a starting capacitor disconnecting switch; a control unit which controls the operation of the motor and which is covered by a control housing; and a housing case in which small-diameter cylindrical portions for accommodating the starting capacitor, a large-diameter cylindrical portion for accommodating the operating capacitor, and a large-diameter cylindrical portion for accommodating the starting capacitor disconnecting switch are integrally provided in a state of continuing in a horizontal row, the housing case being mounted on the outer periphery of the motor housing in such a manner that the cylindrical portions are oriented parallel to a rotation axis.
B66D 3/20 - Palans à moteur à moteur d'entraînement, p. ex. le moteur électrique, tambour ou cylindre dans le même carter
H02K 11/30 - Association structurelle à des circuits de commande ou à des circuits d’entraînement
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
H02K 17/08 - Moteurs avec phase auxiliaire obtenue par des enroulements auxiliaires alimentés depuis l'extérieur, p. ex. moteurs à condensateur
B66D 1/46 - Dispositifs de commande non automatiques électriques
H02P 1/44 - Dispositions de démarrage de moteurs électriques ou de convertisseurs dynamo-électriques pour faire démarrer des machines dynamo- électriques ou des convertisseurs dynamo-électriques pour faire démarrer individuellement un moteur d'induction monophasé par phase auxiliaire avec un condensateur
A chain block comprises: a first rotary body in which a first tooth part f is arranged; a second rotary body comprising a second tooth part which opposes to a first tooth part with magnetic attraction force and releasing the magnetic coupling state by sliding toward thrust direction; a clutch pin integrally provided with the second rotary body; a clutch receiving member comprising a plurality of recessed pockets to which the clutch pin enters according to a slide of the second rotary body; wherein the plurality of pockets comprise; a hoisting-side pocket in which a magnetic member is arranged; a lowering-side pocket in which a magnetic member is arranged; and an intermediate pocket which exists between the hoisting-side pocket and the lowering-side pocket and which the clutch pin enters in a state of not being magnetically attracted.
B66D 3/16 - Dispositifs à chaînes ou à éléments similaires manœuvrés manuellement, avec ou sans mécanisme de transmission entre l'organe de manœuvre et la corde, la chaîne ou le câble de hissage actionnés par une chaîne sans fin passant sur une poulie ou un pignon denté
F16D 27/01 - Embrayages actionnés magnétiquementLeur commande ou leurs circuits électriques à aimants permanents
B66D 1/22 - Mécanismes différentiels ou à planétaires
F16D 11/14 - Embrayages dans lesquels les organes ont des parties qui se pénètrent mutuellement avec des organes d'embrayage mobiles selon l'axe uniquement
F16D 43/202 - Embrayages automatiques à commande interne actionnés entièrement mécaniquement commandés par le couple, p. ex. embrayages à déclenchement en cas de surcharge, embrayages à glissement avec dispositifs par lesquels le couple fait varier la pression d'embrayage du type à rochet
Provided is a shortening clutch with which it is possible to improve operability when removing a chain link. A shortening clutch 10 is provided with a main body 20 provided with a pocket 30 for accommodating a first chain link C21 of another chain C2, and a lock lever 60 which is capable of switching between a locked state and an unlocked state by pivoting, and which restricts disengagement of the first chain link C21 from the pocket 30 in the locked state, and allows the first chain link C21 to disengage from the pocket 30 in the unlocked state, which is resisted by an urging force of an urging member, wherein the lock lever 60 is provided with a locking piece 65 which projects from a pivot point toward the pocket 30 side, facing a position in which movement of a second chain link C22 in an escaping direction is restricted, a first operating piece 62 extending to the side of the pivot point on which one chain C1 is coupled, and a second operating piece 63 extending to the opposite side.
A three-phase alternating-current power supply compatible electrically driven hoisting machine having a three-phase alternating-current input terminal, a three-phase rectifier circuit, a direct-current circuit, an inverter, and a three-phase alternating-current motor is changed into a single-phase alternating-current power supply compatible electrically driven hoisting machine by attaching a single-phase AC-DC converter unit having a single-phase alternating-current input terminal, a single-phase AC-DC converter, and a direct-current circuit to the three-phase alternating-current power supply compatible electrically driven hoisting machine and connecting the P and N electrodes of a direct-current output terminal of the single-phase AC-DC converter unit to the P and N electrodes of the direct-current circuit, respectively, and further open-circuiting the three-phase alternating-current input terminal.
H02M 1/10 - Dispositions comprenant des moyens de conversion, pour permettre l'alimentation à volonté d'une charge par des sources de puissance de nature différente, p. ex. à courant alternatif ou à courant continu
H02M 5/458 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant alternatif, p. ex. pour changement de la tension, pour changement de la fréquence, pour changement du nombre de phases avec transformation intermédiaire en courant continu par convertisseurs statiques utilisant des tubes à décharge ou des dispositifs à semi-conducteurs pour transformer le courant continu intermédiaire en courant alternatif utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
H02M 7/06 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge sans électrode de commande ou des dispositifs à semi-conducteurs sans éléctrode de commande
H02M 7/28 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des redresseurs électrolytiques
A hoist is provided with a braking mechanism comprising: a motor cover that is provided with an outer wall which is provided such that the inner diameter of an inner peripheral portion thereof increases with proximity to one side in the axial direction from the other side; a drum member that is provided with an outer peripheral portion which is located radially inward of the inner peripheral portion of the outer wall and which faces the inner peripheral portion; and a brake shoe that is mounted on the outer peripheral portion. The inner peripheral portion is provided with a blast-treated portion which is blast-treated upon impact by media which contains large amounts of sharp edges among media which contains large amounts of sharp edges and media which contains large amounts of non-sharp edges.
H02K 7/102 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des freins à friction
F16D 55/04 - Freins à surfaces de freinage substantiellement radiales pressées l'une contre l'autre dans une direction axiale, p. ex. freins à disques avec disques ou patins déplaçables selon l'axe pressés contre des organes en rotation situés dans l'axe par écartement l'un de l'autre des disques ou des patins d'application contre les faces latérales des tambours ou des cylindres
F16D 65/10 - Tambours pour freins travaillant vers l'extérieur ou l'intérieur
H02K 7/12 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec un mouvement auxiliaire limité de parties statoriques, rotoriques ou de noyau, p. ex. des rotors pouvant se déplacer axialement pour assurer un embrayage ou un freinage
F16D 55/00 - Freins à surfaces de freinage substantiellement radiales pressées l'une contre l'autre dans une direction axiale, p. ex. freins à disques
F16D 69/00 - Garnitures de frictionLeur fixationEmploi pour travailler ensemble de matériaux ou de surfaces de friction spécifiées
73.
NOISE REDUCTION METHOD USING LUBRICATING LIQUID CRYSTAL COMPOUND, FRICTION CLUTCH DEVICE AND FRICTION BRAKE DEVICE
Provided are: a noise reduction method using a lubricating liquid crystal compound (a liquid crystal grease) which is capable of preventing the generation of abnormal noise between a friction member and a pressed member and stabilizing friction properties; a friction clutch device; and a friction brake device. A friction brake device 70 to be used in a winding machine, which comprises rotatable friction members 72a and 72b and pressed members 71, 73 and 35 being capable of generating a frictional force between the friction members 72a and 72b, wherein the friction members 72a and 72b are impregnated with a calamitic liquid crystal compound 1 aligned in the smectic liquid crystal state, and the calamitic liquid crystal compound 1, which is in the liquid crystal state showing smectic phase, exists within the friction members 72a and 72b and between the friction members 72a and 72b and the pressed members 71, 73 and 35.
B66D 1/16 - Transmission de la puissance entre sources de puissance et tambours ou cylindres les tambours ou cylindres pouvant tourner librement
B66D 5/14 - Freins de grues, d'ascenseurs, de palans ou de treuils opérant sur des tambours, des cylindres ou des cordes avec effet axial comportant des disques
C10M 129/86 - Compositions lubrifiantes caractérisées en ce que l'additif est un composé organique non macromoléculaire contenant de l'oxygène comportant une chaîne carbonée d'au moins 30 atomes
C10N 20/00 - Propriétés physiques particulières des constituants des compositions lubrifiantes
C10N 20/06 - Particules de forme ou de dimensions particulières
C10N 30/00 - Propriétés physiques ou chimiques particulières améliorées par l'additif caractérisant la composition lubrifiante, p. ex. additifs multifonctionnels
C10N 40/00 - Utilisation ou application particulière de la composition lubrifiante
Metalworking machines and tools; mining machines and
apparatus; construction machines and apparatus; overhead
travelling cranes and their parts and fittings; hoists and
their parts and fittings; conveyors [machines] and their
parts and fittings; loading and unloading machines and their
parts and fittings; industrial fishing machines;
non-electric prime movers, not for land vehicles; parts of
non-electric prime movers; machine elements, not for land
vehicles; starters for motors and engines; AC motors and DC
motors [not including those for land vehicles but including
parts for any AC motors and DC motors]; AC generators
[alternators]; DC generators.
A rope hoist includes a rope drum mechanism easy to attach to a frame structure and clarified positioning reference. The rope drum is rotatably supported by a first support part on one end side and a second support part on another end side of the rope drum. A pair of supporting ribs having clearances with respect to a first drum support frame is provided with the first support part. A first connection member penetrates the supporting ribs and the first drum support frame in a state of both-end support. A second connection member penetrates a frame attachment portion and a second drum support frame in a state of cantilever. A support shaft couples the first support part and the second support part and is arranged on an axis passing through a position different from positions of the first connection member and the second connection member.
B66C 13/50 - Utilisation de circuits de fin de course ou de dispositions pour l'interruption en fin de course
B66D 1/12 - Mécanismes d'entraînement comportant des moteurs électriques
B66D 1/22 - Mécanismes différentiels ou à planétaires
B66D 1/38 - Guidage ou autre procédé pour assurer un enroulement régulier des cordes, câbles ou chaînes au moyen de guides mobiles relativement au tambour ou au cylindre
B66D 1/56 - Adaptation des interrupteurs de fin de course
Provided is a chain block with which it is possible to easily switch from a low-speed rotation mode to a high-speed rotation mode. A chain block 10 comprises: a first rotor 110 in which a first tooth part 114a1 is arranged; a second rotor 120 provided with a second tooth part 121a2 that faces toward and exerts magnetic attractive force on the first tooth part 114a1 during magnetic coupling, the second rotor 120 being capable of sliding in a thrust direction to thereby release a magnetically coupled state; and a clutch receiving member 140 provided with a clutch pin 131 which is integral with the second rotor 120, and a plurality of pockets into which the clutch pin 131 enters in accordance with sliding of the second rotor 120, the plurality of pockets being provided with a roll-up-side pocket 141 in which a magnetic member 144 is disposed, a roll-down-side pocket 142 in which a magnetic member 145 is disposed, and a center pocket 143 which is present between the roll-up-side pocket 141 and the roll-down-side pocket 142 and into which the clutch pin 131 enters when the clutch pin 131 is not being magnetically attracted.
B66D 3/16 - Dispositifs à chaînes ou à éléments similaires manœuvrés manuellement, avec ou sans mécanisme de transmission entre l'organe de manœuvre et la corde, la chaîne ou le câble de hissage actionnés par une chaîne sans fin passant sur une poulie ou un pignon denté
B66D 3/20 - Palans à moteur à moteur d'entraînement, p. ex. le moteur électrique, tambour ou cylindre dans le même carter
F16D 27/01 - Embrayages actionnés magnétiquementLeur commande ou leurs circuits électriques à aimants permanents
F16D 43/20 - Embrayages automatiques à commande interne actionnés entièrement mécaniquement commandés par le couple, p. ex. embrayages à déclenchement en cas de surcharge, embrayages à glissement avec dispositifs par lesquels le couple fait varier la pression d'embrayage
A chain block including: a gear unit including a pinion gear, and a load gear configured to rotate integrally with a load sheave member; a case body configured to house the gear unit and to be supplied with grease being semifluid or semisolid at a working temperature as a lubricant; and a built-in cover arranged inside the case body, wherein: the built-in cover includes a first peripheral wall part configured to cover an outer peripheral side of the pinion gear, and a second peripheral wall part provided to be larger in diameter than the first peripheral wall part, the first driven gear body including a first large-diameter driven gear meshing with the pinion gear; and the built-in cover is provided in a circulation shape without a break by continuation of the first peripheral wall part and the second peripheral wall part.
B66D 3/26 - Autres parties constitutives, p. ex. carters
B66D 3/22 - Palans à moteur à moteur d'entraînement, p. ex. le moteur électrique, tambour ou cylindre dans le même carter à mécanisme de variation de vitesse entre moteur d'entraînement et tambour ou cylindre
B66D 1/28 - Autres parties constitutives de structure
Provided is an electric hoisting machine with which, even in cases where a starting capacitor or and drive capacitor are mounted, an increase in size can be prevented and/or an increase in man-hours for mounting can be prevented. This electric hoisting machine 10 comprises: a motor 21 driven by single-phase AC power; a cylindrical motor housing 22; a starting capacitor 71; a drive capacitor 72; a starting capacitor disconnecting switch 80; a control unit 50 which controls the operation of the motor 21 and which is covered by a control housing 51; and a storage case 90A1 in which small-diameter cylindrical portions 92 for storing the starting capacitor 71, a large-diameter cylindrical portion 93 for storing the drive capacitor 72, and a large-diameter cylindrical portion 93 for storing the starting capacitor disconnecting switch 80 are integrally provided in a side-by-side continuous manner, the storage case 90A1 being mounted on the outer periphery of the motor housing 22 in such a manner that the cylindrical portions are oriented parallel to a rotation axis 23.
B66D 3/20 - Palans à moteur à moteur d'entraînement, p. ex. le moteur électrique, tambour ou cylindre dans le même carter
B66D 1/46 - Dispositifs de commande non automatiques électriques
H02P 1/44 - Dispositions de démarrage de moteurs électriques ou de convertisseurs dynamo-électriques pour faire démarrer des machines dynamo- électriques ou des convertisseurs dynamo-électriques pour faire démarrer individuellement un moteur d'induction monophasé par phase auxiliaire avec un condensateur
Provided is a connection fitting that has a curved beam section having a cross-section which is circular even near a groove-shaped arm, capable of coupling another member in a pivotable manner, and capable of sufficiently ensuring the strength of the curved beam section. The connection fitting 10 is provided with: an inserting arm section 20 provided with a through hole 21 into which a connecting pin 100 is inserted; a groove-shaped arm section 30 that is provided with through holes 33a, 33b into which the connecting pin 100 is inserted, and that is positioned at one end side in the width direction facing the inserting arm section 20 positioned at the other end side; and a curved beam section 50 provided between the inserting arm section 20 and the groove-shaped arm section 30. The curved beam section 50 is provided with a circular cross-section along the entirety in the extension direction; an arcuate projection part 40, which reduces the extension length of the curved beam section 50, is provided between the curved beam section 50 and the groove-shaped arm section 30; and the thickness dimension in the thickness direction orthogonal to the width direction in a cross-section of the arcuate projection part 40 is provided so as to be greater than the diameter of the cross-section of the curved beam section 50.
The present invention provides a three-phase/single-phase AC power supply-compatible electric hoist in which a three-phase AC power supply-compatible electric hoist equipped with an inverter and an AC motor can be changed to a single-phase AC power supply-compatible electric hoist by merely mounting a single-phase AC-DC converter unit, which has a simple configuration, on the three-phase AC power supply-compatible electric hoist. The three-phase AC power supply-compatible electric hoist is changed into the single-phase AC power supply-compatible electric hoist by: mounting the single-phase AC-DC converter unit equipped with a single-phase AC input terminal (51), a single-phase AC-DC converter (52), and a DC circuit (53) on the three-phase AC power supply-compatible electric hoist equipped with a three-phase AC input terminal (41), a three-phase rectifying circuit (42), a DC circuit (43), an inverter (44), and a three-phase AC motor (7); connecting a P-pole and an N-pole of a DC output terminal (54) of the single-phase AC-DC converter unit to a P-pole and an N-pole of the DC circuit (43), respectively; and opening the three-phase AC input terminal.
H02M 7/48 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande
H02M 1/10 - Dispositions comprenant des moyens de conversion, pour permettre l'alimentation à volonté d'une charge par des sources de puissance de nature différente, p. ex. à courant alternatif ou à courant continu
H02M 7/06 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continu sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge sans électrode de commande ou des dispositifs à semi-conducteurs sans éléctrode de commande
Provided are a brake motor and a method for manufacturing a brake motor such that brake torque can be increased. The brake motor 10 is provided with a braking mechanism 90 comprising: a motor cover 32 that is provided with an outer wall 322 which is provided such that the inner diameter of an inner peripheral portion 322a thereof increases with proximity to one side in the axial direction from the other side; a drum member 82 that is provided with an outer peripheral portion 82a which is located radially inward of the inner peripheral portion 322a of the outer wall 322 and which faces the inner peripheral portion 322a; and a brake shoe 83 that is mounted on the outer peripheral portion 82a. The inner peripheral portion 322a is provided with a blast-treated portion 322b which has been blast-treated by media which would contain large amounts of sharp edges upon impact among media which would contain large amounts of sharp edges upon impact and media which would contain large amounts of non-sharp edges upon impact.
F16D 65/10 - Tambours pour freins travaillant vers l'extérieur ou l'intérieur
H02K 7/102 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des freins à friction
Provided is a chain block configured so that a variation in a torque value which occurs in an overloaded state at the time a movable pawl starts moving can be reduced. An overload prevention mechanism 110 for a chain block 10 is provided with a female thread member 102, a movable pawl 111, and a pressing means 112. When compared with a conventionally configured second movable pawl 111M having a guide protrusion 111Mf which protrudes toward the pressing means 112 and which comes in contact with an inner peripheral hole 101b, the movable pawl 111 is provided with a moment suppression means 111b for suppressing rotational moment. When some of a plurality of second tapered walls 111d strike a first tapered wall 102c while a hand wheel 101 is overloaded, the moment suppression means 111b suppresses rotational moment generated in the movable pawl 111 when the outer peripheral side of the movable pawl 111 strikes the inner peripheral hole 101b.
B66D 1/58 - Mécanismes de sécurité sensibles à un excès de charge
B66D 3/16 - Dispositifs à chaînes ou à éléments similaires manœuvrés manuellement, avec ou sans mécanisme de transmission entre l'organe de manœuvre et la corde, la chaîne ou le câble de hissage actionnés par une chaîne sans fin passant sur une poulie ou un pignon denté
84.
PROTECTION DEVICE AND PROTECTION METHOD FOR MANUAL HOISTING MACHINE WITH ELECTRIC ASSIST MOTOR
Provided are a protection device and protection method for a manual hoisting machine with an electric assist motor such that it is possible to detect, with high accuracy and a simple configuration, the weight of a load to be vertically moved, and to prevent an overhoisting operation in which the load having a weight exceeding a product rated weight is hoisted, an overspeed operation in which the load is hoisted at a speed exceeding a product rated speed, and an overpower operation exceeding a product rated total power. In the protection device for the manual hoisting machine with the electric assist motor, a control means (200) stops the rotating assistance for a load sheave (2) by an electric assist motor (9) if the rotational speed (N9) exceeds an allowable upper limit rotational speed and the weight value of a load L exceeds a predetermined allowable upper limit weight value. If the rotational speed (N9) does not exceed the allowable upper limit rotational speed and the weight value does not exceed the allowable upper limit weight value, the control means (200) calculates a power. If the power does not exceed an allowable upper limit power, the assistance is provided at a predetermined assistance rate by the electric motor. If the power exceeds the allowable upper limit power, the assistance is provided at the predetermined assistance rate after the assistance rate is decreased to the allowable upper limit power or less.
A chain block includes: a main body frame; and a gear cover that is attached to the main body frame to form an internal space sealed off from an outside between the gear cover and the main body frame, and rotatably supports one end side of a reduction gear member, wherein a gear-side frame part is provided with a bottom part and an outer peripheral wall part projecting from an outer peripheral edge portion of the bottom part, and an upper rib having both ends coupled to the outer peripheral wall part is provided at a portion of the gear-side frame on an upper side where an insertion hole and a link shaft are provided and on a side nearer a center of the internal space than is the outer peripheral wall part, and the upper rib is provided adjacent to the insertion hole and the link shaft.
B66D 3/16 - Dispositifs à chaînes ou à éléments similaires manœuvrés manuellement, avec ou sans mécanisme de transmission entre l'organe de manœuvre et la corde, la chaîne ou le câble de hissage actionnés par une chaîne sans fin passant sur une poulie ou un pignon denté
B66D 5/14 - Freins de grues, d'ascenseurs, de palans ou de treuils opérant sur des tambours, des cylindres ou des cordes avec effet axial comportant des disques
A rope hoist includes: a rope drum around which a wire rope W is wound; a support shaft and a limit switch bolt arranged to be parallel to the rope drum; limit switch mechanisms; and a rope guide mechanism moving in accordance with a winding state of the wire rope W, and making the limit switch mechanisms perform on/off operation. Each of the limit switch mechanisms includes: a limit switch metal fitting into which both of the support shaft and the limit switch bolt are inserted, in which the limit switch metal fitting is sandwiched and fixed by nuts from both sides thereof in an axial direction of the limit switch bolt.
B66D 3/24 - Utilisation d'interrupteurs de fin de course
B66D 3/22 - Palans à moteur à moteur d'entraînement, p. ex. le moteur électrique, tambour ou cylindre dans le même carter à mécanisme de variation de vitesse entre moteur d'entraînement et tambour ou cylindre
B66D 3/26 - Autres parties constitutives, p. ex. carters
B66D 1/38 - Guidage ou autre procédé pour assurer un enroulement régulier des cordes, câbles ou chaînes au moyen de guides mobiles relativement au tambour ou au cylindre
A rope hoist includes: a rope drum around which a wire rope can be wound; a drum motor for rotating the rope drum; a reduction gear mechanism reducing the rotation of the drum motor and transmitting the rotation to the rope drum; and a control unit controlling driving of the drum motor. The reduction gear mechanism is arranged inside a wall portion provided by being projected from a motor cover of a main body part which is an end frame member supporting the rope drum, a lead wire extended from the drum motor and a cable extended from the control unit are connected via a relay, and the relay is arranged on the outside of the wall portion surrounding the reduction gear mechanism, and housed inside a recess provided on the motor cover.
B66D 3/22 - Palans à moteur à moteur d'entraînement, p. ex. le moteur électrique, tambour ou cylindre dans le même carter à mécanisme de variation de vitesse entre moteur d'entraînement et tambour ou cylindre
B66D 3/26 - Autres parties constitutives, p. ex. carters
Provided are a chain block and a built-in cover with which it is possible to relatively easily prevent a lubricant from running out even if the gear ratio or gear configuration changes. A chain block 10 has: a gear unit 30 that is equipped with a pinion gear 31 and a load gear 34, which is coaxial with the pinion gear 31 and can rotate relatively thereto; case bodies 41, 70 that store a gear unit and are supplied with grease; and a built-in cover 100 that is disposed inside the case bodies 41, 70 so as to be separate therefrom. The built-in cover 100 is equipped with a first peripheral wall part 110 that covers the outer peripheral side of the pinion gear 31, and a second peripheral wall part 120 that covers the periphery of a first driven gear body 32 including a first large-diameter driven gear 32a, which has a larger diameter than the pinion gear 31. Because the first peripheral wall part 110 and the second peripheral wall part 120 are continuous, the built-in cover 100 is formed in an uninterrupted circumferential shape.
B66D 3/26 - Autres parties constitutives, p. ex. carters
B66D 1/28 - Autres parties constitutives de structure
B66D 3/22 - Palans à moteur à moteur d'entraînement, p. ex. le moteur électrique, tambour ou cylindre dans le même carter à mécanisme de variation de vitesse entre moteur d'entraînement et tambour ou cylindre
A rope hoist which hoists and lowers a cargo via a wire rope includes: a frame structure which rotatably supports a wheel; a rope drum mechanism which is provided on one side of the frame structure in a width direction, and includes a drum motor which rotates the rope drum; a counterweight which is provided on another side of the frame structure in the width direction and is arranged in a state of having a space with respect to the frame structure; and a control unit which is attached to a side of the counterweight opposite to the rope drum mechanism in the width direction and inverter-controls the drum motor, to the rope drum mechanism side of the counterweight, a braking resistor part which processes regenerative electric power in the inverter control is attached in a state of being located in the space.
A hook block suspended by a wire rope and provided with: sheave shaft parts for rotatably supporting hook sheaves; a connecting shaft inserted into shaft holes that penetrate the sheave shaft parts in the axial direction; brackets which support the sheave shaft parts by fitting the same in engaging holes in first piece parts, which are provided with second piece parts substantially orthogonal to the first piece parts, and in which insertion holes are formed, the insertion holes enabling the insertion of the upper side of a hook in a mutually facing arrangement; a bracket-fixing member supported by the second piece parts above the second piece parts; and a hook support member rotatably arranged above the bracket-fixing member and fixed to the outer periphery of the upper side of the hook.
Provided is a rope hoist capable of improving attachability of a rope drum mechanism to a frame structure and clarifying a reference for positioning. The rope hoist (10) is provided with: a first connection member (37) that is provided in a first support part (316), and is mechanically connected to a first drum support frame (29) in a state where a gap relative to the first drum support frame (29) is formed and in a state where both of a pair of support ribs (316a, 316b) arranged so as to sandwich the first drum support frame (29) are being held; a second connection member (38, 381) that is mechanically connected to a second drum support frame (29) in a state where the second connection member penetrates through a frame attachment part (318a) and the second drum support frame such that one side of the frame attachment part is being held; and a support shaft (S1) that connects the first support part and a second support part with each other, and is arranged on an axis passing through a position different from the first connection member (37) and the second connection member (38).
Provided are a rope guide mechanism and a rope hoist, which are each configured so that sliding members are common to each other. A rope guide mechanism (34) prevents the disordered winding of a wire rope (W) around the rope drum (31) of a rope hoist (10). The rope guide mechanism (34) comprises: a first slide member (36) having ridges (361) formed on the inner peripheral side thereof, the first slide member (36) also having one-end connection section (364a) and the other-end connection section (364b), which are provided on one circumferential end side and the other circumferential end side, respectively, of the first slide member (36); and a second slide member (36) having the same shape as the first slide member (36) and connected to the first slide member (36) to form a ring-shaped ring member (35). At a first affixation portion (F1) where one of the one-end connection section (364a) and the other-end connection section (364b) are joined by a joining means, a spacer (37) having a width equal to the pitch of the ridges (361) is affixed so as to be located between said one of the one-end connection section (364a) and the other-end connection section (364b), and at a second affixation portion (F2) on the opposite side circumferentially, direct affixation is performed.
B66D 1/38 - Guidage ou autre procédé pour assurer un enroulement régulier des cordes, câbles ou chaînes au moyen de guides mobiles relativement au tambour ou au cylindre
Provided is a rope hoist that has a neat exterior and can be made in a small size. The rope hoist (1) has a rope drum (10) on which a wire rope can be wound, a drum motor (11) for rotating the rope drum (10), a reduction gear mechanism (12) for reducing the rotation of the drum motor (11) and transmitting the rotation to the rope drum (10), and a control unit (4) for controlling driving of the drum motor (11). The reduction gear mechanism (12) is disposed on the inside of a wall section (125) that is provided extending from a motor cover (20) of a body main unit (13) which is an end frame member supporting the rope drum (10); a lead wire (143) that extends from the drum motor (11) is connected via a relay (22) to a cable (147) that extends from the control unit (4); and the relay (22) is disposed on the outside of the wall section (125) enclosing the reduction gear mechanism (12) and is accommodated inside a recess (21) provided on the motor cover (20).
The purpose of the present invention is to provide a rope hoist that can accurately detect the position of a moving part, such as a rope guide, and that further allows fine adjustment of the detected position. The rope hoist (1) comprises a rope drum (10) on which a wire rope (W) is wound, a support shaft (133) and limit switch bolt (134) that are disposed in parallel on the rope drum (10), a limit switch mechanism (130, 131), and a rope guide mechanism (95) that moves in response to the winding state of the wire rope (W) and turns the limit switch mechanism (130, 131) on and off. The limit switch mechanism (130, 131) comprises a limit switch metal fitting (135) through which both the support shaft (133) and the limit switch bolt (134) are passed, and the limit switch metal fitting (135) is anchored by being sandwiched by nuts (150) from both sides of the limit switch bolt (134) in the axial direction .
Provided are a hook block and a rope hoist in which the center of gravity during a suspended state can be lowered and/or the weight can be reduced. A hook block (70) suspended by a wire rope (W) and provided with: sheave shaft parts (73) for rotatably supporting hook sheaves (71); a connecting shaft (72) inserted into shaft holes (73a) that penetrate the sheave shaft parts (73) in the axial direction; brackets (75) which support the sheave shaft parts (73) by fitting the same in engaging holes (75a1) in first piece parts (75a), which are provided with second piece parts (75b) substantially orthogonal to the first piece parts (75a), and in which insertion holes (75b2) are formed, the insertion holes (75b2) enabling the insertion of the upper side of a hook (76) in a mutually facing arrangement; a bracket-fixing member (77) supported by the second piece parts (75b) above the second piece parts (75b); and a hook support member (78) rotatably arranged above the bracket-fixing member (77) and fixed to the outer periphery of the upper side of the hook (76).
Provided is a rope hoist that can be dimensionally constrained, even when a braking resistor is attached. A rope hoist (10) that raises/lowers a load via a wire rope (W) and that comprises a frame structure (20) that rotatably supports wheels (41), a rope drum mechanism (30) that is provided on one width-direction side of the frame structure (20) and that comprises a drum motor (33) that rotates a rope drum (31), a counterweight (80) that is provided on the other width-direction side of the frame structure (20) and that is arranged so as to be separated by a space (SP) from the frame structure (20), and a control unit (90) that performs inverter control of the drum motor (33) and that is attached to the counterweight (80) on a side that is opposite from the rope drum mechanism (30). A braking resistance unit (100) that processes the regenerated electric power of the inverter control is attached to a rope drum mechanism (30) side of the counterweight (80) so as to be positioned in the space (SP).
A chain block (10), provided with: a body frame (20); and a gear cover (40) attached to the body frame (20) with a fixing means (SB2) interposed therebetween, the gear cover (40) forming an interior space (S2) sealed from the exterior between the gear cover (40) and the body frame (20) and rotatably supporting one end side of a reduction gear member (71). A gear-side frame part (23) is provided with a bottom part (23a) and an outer peripheral wall part (23b) that protrudes from an outer peripheral edge part of the bottom part (23a). An upper rib (261) having both ends connected to the outer peripheral wall part (23b) is provided at an upper side portion of the gear-side frame (23) at which an insertion hole (24) and a linking shaft (111) are provided, the upper rib (261) being provided at a portion nearer the center of the interior space (S2) than is the outer peripheral wall part (23b). The upper rib (261) is provided adjacent to the insertion hole (24) and the linking shaft (111).
B66D 3/16 - Dispositifs à chaînes ou à éléments similaires manœuvrés manuellement, avec ou sans mécanisme de transmission entre l'organe de manœuvre et la corde, la chaîne ou le câble de hissage actionnés par une chaîne sans fin passant sur une poulie ou un pignon denté
A chain block is provided including a load chain which hangs a load, and a load sheave member which is rotatably supported between a first frame and a second frame, around which the load chain is wound, and which has a chain pocket in which the load chain goes, the load chain is made of a steel material having the Rockwell hardness C scale (HRC) of 47 to 51, and the load sheave member is made of a steel material in which at least the chain pocket has the Rockwell hardness C scale (HRC) of 40 to 45.
B66D 3/16 - Dispositifs à chaînes ou à éléments similaires manœuvrés manuellement, avec ou sans mécanisme de transmission entre l'organe de manœuvre et la corde, la chaîne ou le câble de hissage actionnés par une chaîne sans fin passant sur une poulie ou un pignon denté
A chain block is provided including a first frame, a second frame, a wheel cover side structure including a wheel cover which covers the hand wheel and residing on an opposite side of the first frame in a direction away from the second frame, and a gear case side structure including a gear case covering a gear member and residing on an opposite side of the second frame in a direction away from the first frame, and each of the first frame and the second frame is provided with a rolling restriction portion restricting rolling along outer circumferences of the first frame and the second frame in a case of a standing posture in which the first frame and the second frame contact an installation part at the same time.
B66D 1/28 - Autres parties constitutives de structure
B66D 3/16 - Dispositifs à chaînes ou à éléments similaires manœuvrés manuellement, avec ou sans mécanisme de transmission entre l'organe de manœuvre et la corde, la chaîne ou le câble de hissage actionnés par une chaîne sans fin passant sur une poulie ou un pignon denté
