A work machine monitoring system includes a first imaging device that is provided in a work machine and has a first angle of view to image working equipment included in the work machine, a second imaging device that is provided in the work machine and has a second angle of view wider than the first angle of view to image a ground on which the work machine travels, a defect determination unit that determines presence or absence of a defect in the working equipment based on image data captured by the first imaging device, and a boulder determination unit that determines presence or absence of a boulder on the ground based on image data captured by the second imaging device.
Disclosed is a control system of a work machine, the control system including: a construction data storage unit that stores a plurality of design surfaces set as an excavation object of the work machine; an expansion surface creation unit that creates, in each of a top-of-slope direction and a toe-of-slope direction, an expansion surface obtained by expanding a target construction surface indicating a target shape of a slope of the excavation object designated from among the plurality of design surfaces; and a working equipment control unit that controls, when the expansion surface is created in each of the top-of-slope direction and the toe-of-slope direction, the working equipment provided in the work machine based on the expansion surface in the top-of-slope direction and the target construction surface, without using the expansion surface in the toe-of-slope direction.
Provided is a power feeding unit mounted on a swivel joint, the power feeding unit including: a rotary transformer that is coupled to an upper swing body and a lower traveling body of a work vehicle, respectively; an oscillation circuit that is coupled to the upper swing body, converts electric power into an alternating current, and supplies the alternating current to the rotary transformer; and a smoothing circuit that is coupled to the lower traveling body and converts electric power output from the rotary transformer into a direct current, in which an electrode on a negative side of the smoothing circuit is electrically coupled to a housing of the lower traveling body, and an electrode on a positive side of the smoothing circuit is taken out from a lower portion of the swivel joint via a cable inserted through a pipe provided inside the swivel joint along an axial direction.
A control system for a work machine including a vehicle body, a traveling device that travels while supporting the vehicle body, and an excavation blade of an excavation working equipment disposed in front of the vehicle body includes: a detection data acquisition unit that acquires detection data of a sensor that detects surroundings of the work machine; a determination unit that determines whether or not there is a descending cliff in front of the work machine on the basis of the detection data of the sensor; and a traveling control unit that controls the traveling device on the basis of a relative position between a forward stop position set behind the excavation blade and the descending cliff in a case where it is determined that there is the descending cliff.
The manufacturing method of the lithium-ion capacitor includes a step of performing doping at a first doping current value and a step of performing doping at a second doping current value. In the step of performing doping at the first doping current value, doping is performed at the first doping current value of 0.05 C or more and 0.2 C or less from the start of the doping. In the step of performing doping at the second doping current value, doping is performed at a second doping current value having a C rate higher than the first current value.
A work machine system includes: a machine main body to which a work implement is attached; a travel unit that causes the machine main body to travel; an inclination sensor that senses a degree of inclination of the machine main body; an operator presence sensor that senses presence of an operator; a parking brake that brakes the travel unit; an operation device that receives an operation of activating the parking brake; and a controller that performs, when the operation device does not receive the operation, control to prevent the parking brake from being forgotten to be applied, on conditions that the presence of the operator is not sensed and the machine main body is inclined.
E02F 3/34 - DredgersSoil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets with bucket-arms directly pivoted on the frames of tractors or self-propelled machines
A work machine includes a vehicle body upper surface frame, a housing space, and a fixing part. The housing space is positioned below the vehicle body upper surface frame. The fixing part fixes an antenna to the vehicle body upper surface frame from inside the housing space so that at least a portion of the antenna is disposed above the vehicle body upper surface frame.
A system capable of giving a notification to an operator in consideration of a state of the operator is provided. A system including a work machine includes: an electroencephalograph that detects brain waves of an operator who manipulates the work machine; a notification unit that gives a notification to the operator; and a controller. The controller receives a signal indicating a detection result of the brain waves from the electroencephalograph, calculates an amplitude of the brain waves, and determines a manner of the notification by the notification unit based on a magnitude of the amplitude.
A copper alloy for sliding members constituting a sliding layer has a component composition containing not less than 0.4 mass % and not more than 6 mass % Mn, not less than 0.3 mass % and not more than 5 mass % Fe, not less than 0.3 mass % and not more than 3.5 mass % S, and not less than 1 mass % and not more than 15 mass % Sn, with the balance being Cu and unavoidable impurities. The copper alloy for sliding members has a structure including a matrix made of bronze and a complex sulfide phase dispersed in the matrix, the complex sulfide phase containing not less than 40 atom % and not more than 75 atom % Mn, not less than 3 atom % and not more than 30 atom % Fe, and not less than 1 atom % and not more than 55 atom % S.
A detection system for a work site includes: a current terrain data storage unit that stores current terrain data of the work site where a work machine operates; a first detection data acquisition unit that acquires detection data of a first sensor that detects surroundings of the work machine; and a determination unit that determines whether specific data detected by the first sensor is noise or an obstacle on the basis of the current terrain data.
A control system for a work machine includes: a first detection data acquisition unit that acquires detection data of a first sensor that detects an object present in a traveling direction of the work machine; a determination unit that determines a type of a cliff present in the traveling direction on the basis of the detection data of the first sensor; a position setting unit that changes a stop position of the work machine on the basis of the type of the cliff; and a traveling control unit that stops travel of the work machine on the basis of the stop position.
A system that allows increase in amount of loading of loads in a container is provided. A work machine includes a bucket. The system including the work machine includes an information obtaining unit that obtains information on a vessel of a dump truck into which loads carried in the bucket are to be loaded and a controller. The controller determines a loading position which is a position of the bucket relative to the vessel in loading the loads into the vessel, based on dimension information on a dimension in a width direction of the bucket and the information on the vessel.
A detection system for a work site includes: a three-dimensional data acquisition unit that acquires three-dimensional data of the work site where a work machine operates; a current terrain data storage unit that stores current terrain data created on the basis of the three-dimensional data and time in association with each other; and a determination unit that determines whether or not there is a cliff at the work site on the basis of storage data stored in the current terrain data storage unit.
A trace of an automatically controlled work implement is appropriately set. A controller of a work machine obtains a reference point of a container detected by an object sensor, obtains the trace of the work implement while the work machine is operated, and extracts a position of a feature point that defines the trace with the reference point being defined as a reference.
A work machine includes a first frame, a second frame, an actuator, an operating member, a first sensor, and a controller. The second frame is connected to the first frame. The second frame is rotatable within a predetermined angle range relative to the first frame. The actuator rotates the second frame relative to the first frame. The operating member is used to input a rotational movement of the second frame relative to the first frame. The first sensor detects a rotation angle of the second frame relative to the first frame. The controller executes a speed limit control, based on a fault state of the first sensor, to limit a rotation speed of the second frame in response to an input from the operating member, when the controller determines, based on a detection value of the first sensor, that the second frame is located within an end range of the predetermined angle range.
B62D 12/00 - Steering specially adapted for vehicles operating in tandem or having pivotally connected frames
B62D 5/065 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by specially adapted means for varying pressurised fluid supply based on need, e.g. on-demand, variable assist
E02F 9/08 - SuperstructuresSupports for superstructures
16.
SYSTEM AND METHOD FOR SETTING VEHICLE BODY COORDINATE SYSTEM IN WORK MACHINE
A system includes an attitude sensor, a position measurement device, and a controller. The attitude sensor detects an attitude of a first vehicle body. The position measurement device measures a position of a first target part included in a work implement. The controller acquires, from the attitude sensor, the attitude of the first vehicle body while the first body part is stationary with respect to a second vehicle body. The controller sets a vehicle body coordinate system based on the attitude of the first vehicle body and the position of the first target part.
A work machine monitoring system includes a measurement data acquisition unit that acquires measurement data of a ground on which a work machine travels by rotation of a rotating member included in the work machine, the rotating member contacting the ground, a boulder determination unit that determines presence or absence of a boulder on the ground in the measurement data, and a warning control unit outputs a warning from an output device based on presence or absence of the boulder on the ground in a traveling direction of the rotating member.
A system is provided for controlling a work machine including a vehicle body including a traveling unit. The system includes a controller. The controller is configured to detect an inclination angle of the vehicle body using an inclination angle sensor configured to detect the inclination angle of the vehicle body. The controller is configured to disable automatic brake control for braking the traveling unit and/or notification by an alarm device when the inclination angle is equal to or greater than a first predetermined value. The controller is configured to enable the automatic brake control and/or the notification by the alarm device when the inclination angle is equal to or smaller than a second predetermined value that is smaller than the first predetermined angle, based on a detection result of an obstacle behind the vehicle body by an obstacle detection sensor disposed on a rear part of the vehicle body.
A work machine includes a traveling unit, a work implement mounted to the traveling unit, a parking brake, and a controller. The controller restricts operation of the work implement in a state in which the parking brake is released, when the controller detects a fault that allows the work machine to remain operable.
A display system (101) includes a display (42) and a controller (39). The controller (39) displays a third FIG. (53) indicating a relative relationship between a first FIG. (51) indicating an inclination of a bottom surface (8BT) of a bucket (8) and a second FIG. (52) indicating an inclination of a target topography (70) on the display (42).
B60K 35/28 - Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor characterised by the type of the output information, e.g. video entertainment or vehicle dynamics informationOutput arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor characterised by the purpose of the output information, e.g. for attracting the attention of the driver
B60K 35/29 - Instruments characterised by the way in which information is handled, e.g. showing information on plural displays or prioritising information according to driving conditions
E02F 3/32 - DredgersSoil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam working downwardly and towards the machine, e.g. with backhoes
A reducing agent supply device includes a tank configured to store a reducing agent to be supplied into an exhaust pipe of an engine, pressure-feeding means configured to pressure-feed the reducing agent in the tank, a reducing agent supply channel through which the pressure-fed reducing agent is supplied, an injection nozzle configured to inject, into the exhaust pipe, the reducing agent supplied through the reducing agent supply channel, retraction means configured to retract the reducing agent in the reducing agent supply channel back to a tank side, and a control device configured to control operation of the pressure-feeding means, the injection nozzle, and the retraction means, and the control device causes the injection nozzle to repeat a switching operation in a predetermined cycle while the retraction means is being operated.
F01N 3/20 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operationControl specially adapted for catalytic conversion
F01N 13/00 - Exhaust or silencing apparatus characterised by constructional features
A work machine remote control system includes a sensor data reception unit that receives detection data of an attitude of working equipment included in a work machine operated by an operation signal from a remote place, an alarm control unit that outputs an alarm control signal when it is determined, based on the detection data, that the working equipment is approaching or has reached an end position in a movable range, and an alarm device that is provided in the remote place and outputs an alarm based on the alarm control signal from the alarm control unit.
An oil filter includes: a conductive valve body disposed in a passage provided in a space of a filter case; a conductive valve shaft supported by the valve body via an insulator; a conductive valve disc movably supported by the valve shaft and closing the passage by contacting with the valve body; a valve elastic member generating an elastic force to bring the valve disc into contact with the valve body; a conductive movable member, connected to the valve body, contacting with the valve disc in a state where the valve disc contacts with the valve body and separating from the valve disc after the valve disc separates from the valve body; and a controller supplying current to the valve disc via the valve shaft to determine whether the passage is closed based on an energization state across the valve disc and the valve body.
A management system of a work site includes: an input data acquisition unit that acquires condition input data from an input device; and a water-sprinkling condition decision unit that decides, based on the condition input data, a water-sprinkling condition of an unmanned water-sprinkling vehicle at a work place where an unmanned haul vehicle travels.
A control system for controlling a loading machine including working equipment having a bucket includes a controller. The controller calculates traction force of the loading machine during excavation work of excavating an object to be excavated with the bucket. The controller acquires a bucket angle representing an angle of the bucket with respect to the horizontal plane during the excavation work. The controller calculates a weight of an excavated object, which is the object to be excavated, held by the bucket based on the traction force, the bucket angle, and bucket data indicating a shape and a dimension of the bucket.
A controller provides a command to drive a work implement actuator based on detection values from a travel sensor that detects a state of travel of a travel unit, a work implement posture sensor that detects a posture of a work implement, and a object sensor that detects an object around a main body. The controller recognizes a loading target into which loads in a bucket are to be loaded, based on detection of the object. The controller starts drive of the work implement actuator to operate the bucket in a dump direction while forward travel of the travel unit continues, at a time point when a feature point of the bucket reaches a first target position in front of the loading target and higher than the loading target while the work implement approaches the loading target by forward travel of the travel unit.
A display system includes: a detection data acquisition unit that acquires detection data indicating a three-dimensional shape of a construction site in which a work machine operates; a three-dimensional data storage unit that stores first detection data indicating the detection data acquired at a first time point; a changed-portion specifying unit that specifies a changed portion between the first detection data and second detection data indicating the detection data acquired at a second time point after the first time point; an update unit that updates a part of the first detection data on the basis of the changed portion; and a display control unit that causes a display apparatus to display the updated first detection data.
A hydraulic valve apparatus that is interposed between a hydraulic device and a hydraulic pump and controls supply of oil from the hydraulic pump to the hydraulic device by operating a spool provided in a valve body. Further, the valve body includes traveling spools separately provided for two traveling hydraulic devices, working equipment spools provided corresponding to working equipment hydraulic devices, and two pump oil passages connected to the hydraulic pump via pump ports, and the two traveling spools are separately connected to the pump oil passages at positions at which distances from the pump ports are equal to each other without passing through other spools.
A control system for controlling a loading machine, which includes working equipment having a bucket, includes a controller. The controller calculates a traction force of the loading machine during excavation work of excavating an object to be excavated with the bucket. The controller calculates a load height representing a height of the object to be excavated inside the bucket during the excavation work. The controller calculates an earth pressure coefficient of the object to be excavated based on the traction force and the load height.
A work machine capable of reliably ejecting loads loaded in a bucket is provided. A travel sensor detects a state of travel of a travel unit. A work implement posture sensor detects a posture of a work implement. An object sensor detects an object around a main body. A controller provides a command to drive a work implement actuator based on detection values from the travel sensor, the work implement posture sensor, and the object sensor. The controller recognizes a loading target into which the loads in the bucket are to be loaded, based on detection of the object. The controller controls the work implement actuator and the travel unit such that the bucket is set to a full dump state while a feature point of the bucket is located above the loading target and such that the travel unit travels rearward with the full dump state being maintained.
This excavated matter conveyance system inside a driftway includes a first vehicle that is capable of traveling inside a driftway, a first conveyor that is supported by an upper portion of the first vehicle and is capable of conveying excavated matter in a first conveyance direction intersecting an upward-downward direction of the first vehicle, a second vehicle that is coupled to the first vehicle in a swingable manner, a second conveyor that is supported by an upper portion of the second vehicle and is capable of conveying the excavated matter in a second conveyance direction intersecting an upward-downward direction of the second vehicle, and movement apparatuses that are capable of relatively moving the first conveyor and the second conveyor.
A cab includes a ceiling part including a top window, a roll blind, a first duct and a louver. The roll blind includes a screen disposed on an inside of the top window, and a winding device disposed inside the ceiling part on a rear side of the top window. The winding device is configured to wind up the screen. The first duct is disposed inside the ceiling part. The first duct passes below the winding device. The louver disposed further to a front side than the winding device and in a first air outlet of the first duct.
A work machine includes a vehicle body, a support member, a blade, a rotation angle sensor, an object sensor, and a controller. The support member is connected to the vehicle body. The blade is rotatably supported by the support member. The rotation angle sensor detects a rotation angle of the blade. The object sensor detects an object around the work machine and outputs a signal indicating a presence or absence of the object. The controller is configured to set a detection range around the work machine. The controller is configured to determine the presence or absence of the object within the detection range based on the signal from the object sensor. The controller is configured to set the detection range according to the rotation angle of the blade.
A work machine includes a vehicle body, a work implement movably supported relative to the vehicle body, an actuator connected to the work implement, and a controller. The actuator is configured to cause the work implement to move. The controller is configured to perform an automatic control to control the actuator so that a height of the work implement in a gravity direction is maintained even when a posture of the vehicle body changes, determine whether the work machine is in a non-working state in which the work machine does not perform work with the work implement, and stop the automatic control when the work machine is in the non-working state.
The control device includes an acquisition unit configured to repeatedly acquire a first detection signal output according to a tilt amount of an operation lever by a first tilt amount sensor configured to detect the tilt amount of the operation lever of the work equipment tilted from a neutral position in a first direction or a second direction opposite to the first direction, and a second detection signal output according to the tilt amount by a second tilt amount sensor configured to detect the tilt amount, and a control unit configured to repeatedly determine whether or not the first detection signal and the second detection signal are a value corresponding to the neutral position at a time of start of the work machine, and output an alarm indicating that both of the first detection signal and the second detection signal are not the value corresponding to the neutral position.
A work machine includes a work machine main body, at least one object detection sensor, a revolving angle sensor, and a control section. The main body includes a traveling unit and a revolving unit disposed above the traveling unit. The revolving unit is revolvable with respect to the traveling unit. The object detection sensor is disposed on the revolving unit. The revolving angle sensor detects a revolving angle of the revolving unit. The control section detects an object around the main body using the object detection sensor by revolving the revolving unit. The control section specifies a position of the object with respect to the main body based on a distance to the object detected by the object detection sensor and the revolving angle at which the object is detected. The control section sets a virtual wall based on the specified position when the object is detected.
A control device includes an acquisition unit configured to acquire a first detection signal output according to a tilt amount of an operation lever by a first tilt amount sensor configured to detect the tilt amount of the operation lever of work equipment tilted from a neutral position in a first direction or a second direction opposite to the first direction, and a second detection signal output according to the tilt amount by a second tilt amount sensor configured to detect the tilt amount, and a control unit configured to determine whether or not the first detection signal and the second detection signal are a value corresponding to the neutral position at the time of start of a work machine, generate and output a control signal for controlling the work equipment where both the first detection signal and the second detection signal are the value corresponding to the neutral position.
A monitoring system of a work machine includes: a measurement data acquisition unit mounted on the work machine and configured to acquire measurement data of a measurement device that measures a target; a vehicle body data acquisition unit configured to acquire vehicle body data indicating a state of the work machine; a state determination unit configured to determine the state of the work machine based on the vehicle body data; a processing unit configured to process the measurement data and recognize the target; and a contamination determination unit configured to determine presence or absence of contamination of a reception surface of the measurement device based on the state of the work machine determined by the state determination unit and a recognition result of the target by the processing unit.
A control method of an excavator including: a first circuit of an open circuit including a main valve controlling inflow of hydraulic oil from a main pump to a working equipment cylinder, and a tank to which the oil flowed out of the cylinder is ejected via the main valve; a second circuit of a closed circuit including a first valve between swing pump and motor; and a second valve on a first passage between the main valve and the tank, adjusting back pressure of the main valve, the control method includes: causing the oil to flow into a second passage around a spool of the first valve from an upstream portion of the first passage between the main valve and the second valve; and causing the oil to flow out of the second passage to a downstream portion of the first passage between the second valve and the tank.
A monitor control device (13) selects any one of camera images captured by a camera system (11) based on a steering angle of front wheels (41) and outputs a signal for displaying the selected image on a display device.
B60R 1/24 - Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view in front of the vehicle
B60R 1/25 - Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view to the sides of the vehicle
B60R 1/26 - Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view to the rear of the vehicle
41.
WORK VEHICLE PATH PLAN GENERATION SYSTEM AND WORK VEHICLE PATH PLAN GENERATION METHOD
An aspect of the present disclosure provides a work vehicle path plan generation system that generates a path plan in order for a work vehicle including work equipment to perform an excavation work on a ground of a construction target area. The work vehicle path plan generation system includes a position detection unit configured to detect a position of the work vehicle, an information storage unit configured to store topographic shape information indicating a shape of a topography in the construction target area, a position of the work vehicle, and design surface information indicating a shape required to be excavated of the ground in the construction target area, and a path plan generation unit configured to generate a work equipment path plan indicating a movement path of the work equipment and a travel path plan indicating a travel path of the work vehicle, based on the topographic shape information, the position of the work vehicle, and the design surface information.
A data acquisition unit acquires terrain data representing a terrain of a target area. An area specification unit specifies a first area having a gradient less than a first gradient threshold value from the target area based on the terrain data. A reforestation instruction unit transmits a first reforestation instruction signal for instructing planting of a plant body in the first area.
A measured value acquisition unit acquires measured values from a plurality of sensors. A position and posture calculation unit calculates a current posture of the work tool, based on the measured values. A target posture determination unit determines a virtual rotation axis, based on the calculated current posture of the work tool. A rotation amount calculation unit generates a control signal of the tilt rotator for rotating the work tool around the virtual rotation axis, based on the operation signal from an operation device. A control signal output unit outputs the generated control signal.
E02F 3/43 - Control of dipper or bucket positionControl of sequence of drive operations
E02F 3/32 - DredgersSoil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam working downwardly and towards the machine, e.g. with backhoes
A display system for a work machine includes: a display unit that displays a camera image obtained by photographing around an excavator; a display unit controller that causes the display unit to display the camera image; and a message window image generation unit that when a predetermined event related to the excavator occurs, generates a message window image indicating a content of the event, the display unit controller, when a predetermined event related to the excavator occurs, causing a message window image indicating a content of the event to be displayed in a camera image area for displaying a camera image, and causing the camera image to be displayed in a reduced manner.
B60R 1/27 - Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view providing all-round vision, e.g. using omnidirectional cameras
45.
CONTROL SYSTEM AND CONTROL METHOD FOR LOADING MACHINE
An operation signal input unit receives an input of a manual operation signal for a swing body and work equipment on the basis of an operation of an operation device. A movement control unit generates an automatic operation signal for driving the swing body and the work equipment. An output determination unit determines to output the manual operation signal for any of the swing body and the work equipment for which there has been an input of the manual operation signal and determines to output the automatic operation signal for any thereof for which there has been no input of the manual operation signal on the basis of the input manual operation signal. An operation signal output unit outputs the manual operation signal or the automatic operation signal for each of the swing body and the work equipment on the basis of a result of the determination.
Low-altitude observation equipment includes a distance measurement device that generates a distance map and a position measurement device that measures a position of the low-altitude observation equipment. The low-altitude observation equipment moves in a region of a forest near a ground surface where there are no branches. A data acquisition unit acquires a low-altitude distance map generated by the distance measurement device and the position of the low-altitude observation equipment from the low-altitude observation equipment. A position specifying unit specifies a position of a tree, based on a distance from the low-altitude observation equipment to the tree specified based on the map, and on the position of the low-altitude observation equipment. An identification unit acquires identification information for identifying an individual of the tree based on the position of the tree. A recording unit records low-altitude tree information, which is tree information of a portion of the individual lower than branches.
A forestry machine is provided with work equipment having a cutting tool for felling a tree. A position measurement device measures a position of the forestry machine. A prohibition unit prohibits driving of the work equipment in a case in which the measured position is within a felling prohibition area.
G05B 19/406 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
A01G 23/091 - Sawing apparatus specially adapted for felling trees
48.
DISPLAY CONTROL DEVICE, WORK MACHINE, AND DISPLAY CONTROL METHOD
One aspect of the present disclosure provides a display control device including a storage unit configured to store a plurality of group regions and one or more pieces of item information displayed in each of the plurality of group regions, a mode switching unit configured to enable switching of an operation mode a display region based on an operation input from an operation input unit, and a display control unit configured to control information to be displayed in the display region based on the switched operation mode, in which the mode switching unit enables switching between a focus operation mode in which one of the plurality of group regions is selectable and a mouse operation mode in which a direct operation is possible on the display region.
A control system of a construction machine comprises: a determination unit that determines a control object surface from a first design surface and a second design surface adjacent to the first design surface on the basis of a distance between a tilt bucket and the first design surface and a distance between the tilt bucket and the second design surface; a working equipment control unit that controls a tilt axis of the tilt bucket on the basis of the control object surface determined by the determination unit; and a display control unit that causes a display device to use different display modes to display the control object surface and a surface other than the control object surface.
A method for producing a lithium ion power storage device includes a step of forming a cylindrical cell and a step of accommodating the cylindrical cell in a casing. In the step of forming the cylindrical cell, the electrode foil and the separator are wound while applying tension in an extension direction to the laminated electrode foil and separator. In the step of forming the cylindrical cell, the cylindrical cell is formed by winding the electrode foil and the separator into a cylindrical shape. In the step of accommodating the cylindrical cell in the casing, the cylindrical cell is accommodated in a tubular casing together with an electrolytic solution. In the step of forming the cylindrical cell, a cylindrical cell in which a pressure of 0.5 MPa or more and 0.7 MPa or less is applied between the electrode foils facing each other via the separator is formed.
H01M 10/0587 - Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
H01M 10/04 - Construction or manufacture in general
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 50/107 - Primary casingsJackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
51.
FOREST MANAGEMENT DEVICE, FIRE SPREADING PREVENTION SYSTEM, AND FIRE SPREADING PREVENTION METHOD
A fire specifying unit is configured to specify a fire area in which a forest fire has occurred. An area determination unit is configured to determine a work area that is located outside a first range including the fire area and that has a predetermined width. A felling instruction unit is configured to instruct a forestry machine to fell a tree in the work area.
A62C 3/02 - Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
52.
UNMANNED VEHICLE MANAGEMENT SYSTEM AND UNMANNED VEHICLE MANAGEMENT METHOD
An unmanned vehicle management system includes a first unmanned vehicle including a target position sensor that detects a relative position with respect to a loader, a second unmanned vehicle including a dump body onto which a load is loaded by the loader, and a management device that manages travel of each of the first unmanned vehicle and the second unmanned vehicle.
A management system of a workplace includes: an expected time calculation unit that calculates an expected time at which an unmanned haul vehicle arrives at a work area; and a water-sprinkling condition decision unit that decides a water-sprinkling condition of an unmanned water-sprinkling vehicle in the work area based on the expected time.
An earthwork machine includes a vehicle body, a fuel cell, a housing, and a refrigerant pipe. The housing stores the fuel cell and is electrically connected to the vehicle body. The refrigerant pipe penetrates the housing and allows a refrigerant to flow from the outside of the housing to the fuel cell. The refrigerant pipe is electrically insulated from the housing and is configured such that the refrigerant and the vehicle body are electrically connected to each other on the outside of the housing.
B60L 58/33 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load by cooling
B60L 50/75 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using propulsion power supplied by both fuel cells and batteries
B60P 1/04 - Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load supporting or containing element
Provided are a control system and a control method for a work machine, by which a bucket shake operation can be performed and a load applied to a vehicular body can be reduced. The control system for a work machine includes: a rear frame; a front frame connected to the rear frame to be bendable with respect to the rear frame; a bucket that is operable with respect to the front frame; an actuator that drives the bucket; a sensor that detects a relative position between the rear frame and the front frame; and a work implement controller that controls the actuator. The work implement controller receives an input of a result of detection by the sensor, and controls an operation of the actuator based on the result of detection by the sensor.
METHOD FOR CALCULATING ANGLE OF REPOSE OF EXCAVATED OBJECT HELD BY BUCKET, SYSTEM FOR CALCULATING ANGLE OF REPOSE OF EXCAVATED OBJECT HELD BY BUCKET, AND LOADING MACHINE
A method for calculating an angle of repose of an excavated object held by a bucket includes: calculating a bucket angle indicating an angle of the bucket with respect to a horizontal plane in a state where an inclination of a surface of the excavated object held by the bucket is maintained; measuring a weight of the excavated object; and calculating the angle of repose of the excavated object from shape data of the bucket, the bucket angle, and data of the excavated object including the measured weight.
A display system includes: a first transformation unit that generates a plurality of first transformation images from a first image obtained by imaging by a first imaging device; a first synthesis unit that combines a second image obtained by imaging by a second imaging device and each of a plurality of the first transformation images to generate a plurality of first composite images; a selection unit that selects a certain first composite image from the plurality of first composite images; and a display control unit that causes a display device to display a display image generated on the basis of the first composite image that has been selected.
A work machine includes a plurality of constituent portions including a first portion. A system for the work machine includes a storage device, an input device, and a controller. The storage device stores center of gravity positions of the plurality of constituent portions. The input device receives input of a first parameter for determining the center of gravity position of the first portion. The controller calculates a center of gravity position of the entire work machine based on the center of gravity positions of the plurality of constituent portions. The controller sets the center of gravity position of the first portion by using the first parameter when the first parameter is inputted with the input device. The controller sets the center of gravity position of the entire work machine based on the center of gravity positions of the plurality of constituent portions that include the set center of gravity position of the first portion.
A reforestation machine includes: a main body; a planting device which plants a plant body for reforestation at a predetermined position of soil; a traveling device which allows the main body and the planting device to travel; a power source which drives the traveling device; and a barrier installation device which installs a weed barrier, restricting the growth of weeds growing around a position in which the plant body is planted, around the predetermined position of the soil.
A control device includes a signal input unit configured to input a signal from a first signal line connected to a first switch configured to detect press and release of a momentary operation push button for setting and releasing lock of an operation of work equipment and input a signal from a second signal line connected to a second switch linked to the first switch, and a work equipment lock control unit configured to alternately switch between setting and releasing the lock of the operation of the work equipment in a case where information indicating that the push button is OFF→ON→OFF is obtained from both of the first signal line and the second signal line, and release the lock of the operation of the work equipment only when a predetermined operation is performed on a predetermined operation device of the work equipment.
A system includes a machine position sensor and a controller. The machine position sensor outputs current position data indicative of the position of the work machine. The controller acquires actual topography data including the position of a first slot extending in a predetermined work direction, the position of a second slot positioned beside the first slot, and the position of a first excavation wall positioned between the first slot and the second slot. The controller determines a first excavation path extending from the first slot to a first position on the second slot and cuts across the first excavation wall. The controller determines a transportation path extending from a position behind the first position in the work direction, along the second slot, and toward a predetermined soil unloading position. The controller controls the work machine to move according to the first excavation path and the transportation path.
A movement control unit, during automated control, performs the processes below. The movement control unit outputs an operation signal for swinging a swinging body until a portion of the swinging body to which work equipment is attached faces a goal position. The movement control unit outputs an operation signal for upwardly actuating a first link component, which is one of multiple link components, when a work tool is positioned above a loading target. The movement control unit outputs an operation signal for downwardly actuating a second link component, which is one of the multiple link components, when the work tool is positioned above the loading target. The movement control unit outputs an operation signal for downwardly actuating the first link component and the second link component when the work tool is not positioned above the loading target.
E02F 3/43 - Control of dipper or bucket positionControl of sequence of drive operations
E02F 3/30 - DredgersSoil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam
63.
CONTROL SYSTEM OF WORK MACHINE, WORK MACHINE, AND CONTROL METHOD OF WORK MACHINE
Disclosed is a control system of a work machine, the control system including: a construction data storage unit that stores a plurality of design surfaces set as a construction object of the work machine; a selection unit that selects at least two design surfaces to be offset in directions that are perpendicular to the design surfaces from among the plurality of design surfaces; and an offset control unit that edits the selected design surfaces and offsets the edited design surfaces in the perpendicular directions.
A hydraulic valve includes: a valve main body; and a spool. Further, the spool is provided with a main passage portion, a first passage portion communicable with a first port, and a second passage portion communicable with a second port, an opening area of the first passage portion with respect to the first port is changed and flow rate control of oil from the first port to the second port through the main passage portion is performed, and the main passage portion of the spool has a first region, a second region, and a third region that connects the first region and the second region, an inner diameter of the first region being formed larger than that of the second region, and the third region being formed in a tapered shape in which an inner diameter gradually decreases toward the second region.
F15B 13/04 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
F16K 11/07 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only sliding valves with linearly sliding closure members with cylindrical slides
There is provided a work machine allowing a steering operation device to be enhanced in reliability. The steering operation device includes a joystick, a first electric lever, and an input unit. The joystick receives an operator's operation. The first electric lever includes a first main body unit and a first lever unit tiltable with respect to the first main body unit, and outputs a tilt angle of the first lever unit with respect to the first main body unit. The input unit inputs an input to the first lever unit of the first electric lever to tilt the first lever unit with respect to the first main body unit of the first electric lever. The input unit has an elongated hole extending in the frontward/rearward direction. The first lever unit is disposed in the elongated hole.
A display system of a work machine includes a construction data storage unit that stores an existing virtual wall indicating a virtual wall set at a work site of the work machine, the virtual wall restricting entry of the work machine; a virtual wall setting unit that sets a new virtual wall indicating a virtual wall to be newly added; and a display control unit that causes a display device to display each of the existing virtual wall and the new virtual wall.
Disclosed is a measurement system of a work machine, the measurement system including: a position calculation unit that calculates a position of the work machine based on detection data of a position sensor; a working equipment position calculation unit that calculates a position of working equipment provided in the work machine based on the position of the work machine; a construction data storage unit that stores a position of a point predetermined at a work site of the work machine; and a distance calculation unit that calculates a distance between the position of the point and the position of the working equipment.
A management system of a work site includes a sprinkling data generation unit and an assignment unit. The sprinkling data generation unit is configured to generate sprinkling data indicating a sprinkling condition of a sprinkling vehicle at the work site. The assignment unit is configured to, when receiving a transport request of an operator, output a transport command for causing the sprinkling vehicle operating based on the sprinkling data to travel to a destination position.
A work vehicle includes a step-down circuit provided between a fuel cell and a converter, a contactor provided in parallel with the step-down circuit and configured to switch conduction and insulation between the fuel cell and the converter and a control device configured to control the step-down circuit and the contactor.
B60L 58/31 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for starting of fuel cells
B60L 50/70 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by fuel cells
H02M 1/14 - Arrangements for reducing ripples from DC input or output
H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
70.
WORK MACHINE AND METHOD OF CONTROLLING WORK MACHINE
A work machine includes a vehicular body that can travel, a work implement that performs an excavation work with a bucket, and a controller. The controller includes first calculation means for obtaining mechanical data on an operation of the vehicular body and the work implement based on the mechanical data and calculating a target posture of the work implement during an excavation work and second calculation means for calculating an accelerator opening necessary for excavation of a target amount of excavated soil. The controller controls the operation of the work implement such that a posture of the work implement is set to the target posture and controls travel of the vehicular body based on the accelerator opening.
A foreign object recognition system includes a housing including a tank configured to store oil, an oil supply channel attached to the housing, and a foreign object recognition device. The tank includes a first space, a second space communicating with the first space, a strainer to separate out foreign objects contained in oil flowing from the second space into the oil supply channel, and a partition wall disposed between the first space and the second space and extending downward from above. The foreign object recognition device recognizes a foreign object located downward of the partition wall.
A system of estimating a state of health of a storage battery includes a controller. The controller is configured to specify a use state of the storage battery, and calculate the state of health of the storage battery in each of a plurality of use states.
G01R 31/392 - Determining battery ageing or deterioration, e.g. state of health
G01R 31/374 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with means for correcting the measurement for temperature or ageing
G01R 31/382 - Arrangements for monitoring battery or accumulator variables, e.g. SoC
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
73.
DISPLAY SYSTEM OF WORK MACHINE, REMOTE OPERATION SYSTEM OF WORK MACHINE, WORK MACHINE, AND DISPLAY METHOD OF WORK MACHINE
A display system of a work machine includes a three-dimensional data acquisition unit that acquires three-dimensional data of a work target of ripper working equipment coupled to a vehicle body of a work machine, an image data acquisition unit that acquires a work target image showing an image of the work target, a contact position calculation unit that calculates, based on the three-dimensional data, an initial position of a ripper blade edge provided in a shank of the ripper working equipment, and a moving path of a ripper point, a contact position with which the ripper point comes into contact in the work target, a contact position image generation unit that generates a contact position image showing the contact position, and a display control unit that combines the work target image and the contact position image and causes a display device to display a combined image.
An insulator 5 disposed between a stator core and a three-phase coil wound around the stator core includes a main body section that covers a portion around which the coil is wound in the stator core and insulates the stator core and the coil and a jumper wire holding section 63 that is disposed on a radial direction outer side of the main body section and holds a jumper wire of the coil. The jumper wire holding section 63 includes a first groove 64A in which a jumper wire 3AT of an A-phase coil is housed, a second groove 64B that is disposed on an axial direction other side with respect to the first groove 64A and in which a jumper wire 3BT of a B-phase coil is housed, and a third groove 64C that is disposed on the axial direction other side with respect to the second groove 64B and in which a jumper wire 3CT of a C-phase coil is housed. The first groove 64A, the second groove 64B, and the third groove 64C are formed in different shapes.
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
H02K 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
H02K 3/52 - Fastening salient pole windings or connections thereto
75.
PROCESSING MACHINE, CONTROL DEVICE FOR PROCESSING MACHINE AND CONTROL METHOD FOR PROCESSING MACHINE
A processing machine includes a tool configured to perform machine processing on a workpiece, and a depth camera configured to be installed such that the workpiece lies within an imaging range and to capture a depth of a subject. A position measurement unit calculates a three-dimensional position of a surface of the workpiece based on a depth image captured by the depth camera. A position matching unit, based on three-dimensional data representing a target shape of the workpiece and a three-dimensional position of the workpiece, calculates a three-dimensional position of the target shape in a case in which the workpiece and the target shape are superimposed. A cutting amount determination unit determines a cutting amount at each of a plurality of points on the surface of the workpiece based on a difference in a line-of-sight direction between the three-dimensional position of the surface of the workpiece and a three-dimensional position of a surface of the target shape in a case in which the workpiece is viewed from a predetermined viewpoint. A tool control unit moves the tool based on the determined cutting amount.
A fuel cell system includes a plurality of fuel cell modules, a temperature sensor configured to measure a temperature of each of the plurality of fuel cell modules, an output current control circuit configured to individually control an output current from each of the plurality of fuel cell modules, and a control device configured to control the output current control circuit on the basis of temperature information acquired through the temperature sensor.
A remote operation system of a work machine includes a remote operation device that generates an operation signal for remotely operating the work machine, an operation command transmission unit that transmits an operation command based on the operation signal, and an operation control unit that controls the work machine such that a first operation speed indicating an operation speed of the work machine when communication between the work machine and the remote operation device is established is slower than a second operation speed indicating a predetermined operation speed associated in advance with an operation amount of the remote operation device.
A measurement value acquisition unit acquires measurement values from a plurality of sensors. A posture calculation unit calculates a posture of an attachment with respect to a vehicle body based on the measurement values. An intervention control unit determines a virtual rotation axis based on the calculated posture of the attachment. An operation signal acquisition unit acquires an operation signal for operating the support portion from an operation device. An intervention control unit generates a control signal for the tilt rotator to rotate the attachment around the virtual rotation axis so that an axial direction of the virtual rotation axis in a global coordinate system is held and a design surface and teeth of the attachment are approximately parallel to each other, based on the calculated posture of the attachment and an operation amount indicated by the operation signal for operating the support portion. An output unit outputs the generated control signal.
E02F 3/43 - Control of dipper or bucket positionControl of sequence of drive operations
E02F 3/32 - DredgersSoil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam working downwardly and towards the machine, e.g. with backhoes
An attachment position determining method includes obtaining a first straight line connecting base and distal end portions a link member in a design phase, obtaining a flexure curve indicating a flexed state of the link member, obtaining a second straight line connecting the base end portion and the distal end portion on the flexure curve, obtaining a first angle formed between the first straight line and the second straight line, obtaining a second angle formed between the first straight line and a tangent line of the flexure curve, determining a position on the flexure curve as a reference position such that the second angle is equal to the first angle, and determining an attachment position of a postural detection sensor on the link member based on positional information in a lengthwise direction of the link member. The flexure curve is obtained based on the first straight line.
A control system of a work machine including a lower traveling body and an upper turning body that can turn with respect to the lower traveling body includes a detection device attached to the upper turning body and detecting an object present around the work machine, and a controller controlling operation of the lower traveling body and the upper turning body. The controller controls the operation of the lower traveling body on the basis of a position of the object detected by the detection device and a lower traveling body stop region, and controls the operation of the upper turning body on the basis of the position of the object detected by the detection device and an upper turning body region different from the lower traveling body stop region, and the lower traveling body stop region is set in a coordinate system based on the upper turning body.
A power determination unit determines a target power generation amount of a fuel cell, based on a time series of measurement values relating to power while a work vehicle travels along a predetermined travel route. A fuel cell control unit controls the fuel cell to output the target power generation amount while the work vehicle travels along the travel route. A battery control unit controls charging or discharging of a battery, based on a difference between required power required for driving the work vehicle and the target power generation amount while the work vehicle travels along the travel route.
B60L 58/40 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for controlling a combination of batteries and fuel cells
B60L 58/13 - Maintaining the SoC within a determined range
A sprinkling vehicle management system includes: a water amount data acquisition unit that acquires water amount data indicating an amount of water stored in a tank of a sprinkling vehicle for sprinkling; and a speed setting unit that sets a traveling speed of the sprinkling vehicle based on the water amount data.
A measured value acquisition unit acquires measured values from a plurality of sensors. A position and posture calculation unit calculates a current posture of the work tool, based on the measured values. A target posture determination unit determines a virtual rotation axis, based on the calculated current posture of the work tool, when a predetermined control start condition is satisfied. A rotation amount calculation unit generates a control signal of the tilt rotator for rotating the work tool from the current posture to a target posture by a predetermined amount around the virtual rotation axis. A control signal output unit outputs the generated control signal.
A reception unit receives data including first software for updating a first component, which is one of a plurality of components, and second software that is software for updating a second component, which is another one of the plurality of components, and for realizing a function associated with the first software, from a server. A storage unit stores received first software and second software. An update unit updates the first component and the second component based on the first software and the second software after the first software and the second software are stored in the storage unit.
A work machine monitoring system includes a measurement data acquisition unit that acquires measurement data of a ground on which a work machine travels by contact of a rotating member included in the work machine and rotation of the rotating member, a determination criteria setting unit that sets determination criteria for determining presence or absence of a boulder on the ground in the measurement data, a boulder determination unit that determines the presence or absence of the boulder on the ground in the measurement data based on the determination criteria, and a warning control unit that outputs a warning from an output device based on determination of the presence or absence of the boulder.
A measurement value acquisition unit acquires measurement values from a plurality of sensors. A posture calculation unit calculates a posture of an attachment with respect to a vehicle body based on the measurement values. An operation signal acquisition unit acquires an operation signal from an operation device. An intervention control unit generates a control signal for the tilt rotator so that the posture of the attachment is held, based on the operation signal. An output unit outputs the generated control signal.
E02F 3/43 - Control of dipper or bucket positionControl of sequence of drive operations
E02F 3/32 - DredgersSoil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam working downwardly and towards the machine, e.g. with backhoes
A work machine monitoring system includes a measurement data acquisition unit that acquires measurement data of working equipment included in the work machine at a predetermined sampling rate, a defect determination unit that determines presence or absence of a defect in the working equipment in the measurement data, a counting unit that counts the number of defect determination samples indicating the measurement data determined to have the defect, and a warning control unit that changes a warning pattern output from an output device based on the number of defect determination samples.
A display system includes a state value acquisition unit that acquires a state value of a work machine at the time when the work machine is driven by an operator to implement cycle work for repeating a series of work modes, an actual value calculation unit that calculates, based on the state value, an actual value relating to driving evaluation of the work machine for each of work modes, a target value setting unit that sets a target value relating to driving evaluation for each of work modes, and a display control unit that displays the actual value and the target value on a display device.
A treatment device includes an acquisition unit configured to acquire regeneration information, which is information related to a regeneration interval of a filter that collects a particulate matter in an exhaust gas of an engine, and ash information, which is information indicating an estimated value of a deposition amount of ash deposited on the filter, a determination unit configured to determine whether or not the filter needs to be cleaned based on the regeneration information and the estimated value indicated by the ash information, and a notification unit configured to issue a notification that the filter needs to be cleaned in a case where it is determined that the filter needs to be cleaned.
An electric cylinder includes a motor that is a driving source, an output shaft configured to rotate in response to driving of the motor, a sun gear coupled to the output shaft and configured to rotate in response to the rotation of the output shaft, a tubular holder disposed adjacent to an axial end surface of the motor and including a fluid accommodation portion that allows a magnetic fluid to be accommodated between the holder and an outer periphery of the sun gear, a pair of magnetic pole pieces provided on an inner peripheral surface of the holder, and a magnet disposed between the pair of magnetic pole pieces and configured to hold the magnetic fluid in the fluid accommodation portion by using an action of a magnetic field.
E02F 3/42 - Drives for dippers, buckets, dipper-arms or bucket-arms
E02F 3/32 - DredgersSoil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam working downwardly and towards the machine, e.g. with backhoes
A treatment device an acquisition unit configured to acquire information indicating an estimated value of a deposition amount of ash deposited on a filter that collects a particulate matter in an exhaust gas of an engine, and information indicating an atmospheric pressure, a calculation unit configured to calculate an allowable ash deposition amount threshold value corresponding to an allowable ash deposition amount that changes according to the atmospheric pressure, a determination unit configured to determine that the filter needs to be cleaned in a case where the estimated value is greater than or equal to the allowable ash deposition amount threshold value, and a notification unit configured to issue a notification that the filter needs to be cleaned in a case where it is determined that the filter needs to be cleaned.
An oil filter device includes: a filter case including a case body and a lid, the lid configured to cover a case opening provided in the case body; a filter an element disposed in a main passage provided in an internal a space of the filter a case; a conductive valve body having conductivity and disposed in a bypass passage provided in the internal space; a valve conductive shaft having conductivity and supported by the valve body via a valve an insulating member; a valve conductive disc having conductivity and movably supported by the valve shaft and configured to close closing the bypass passage by coming into contact contacting with the valve body; a valve an elastic member that generates generating an elastic force to bring the valve disc into contact with the valve body; an a conductive input member having conductivity and supported by the lid via the case insulating member; a conductive relay elastic member having conductivity and connected to the input member; a conductive relay member having conductivity, fixed to the valve shaft and connected to the relay elastic member; and a controller that supplies supplying current to the valve disc via the input member to determine whether the bypass passage is closed based on an energization state across the valve disc and the valve body.
B01D 29/11 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
B01D 35/00 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups Auxiliary devices for filtrationFilter housing constructions
A work vehicle that includes a steering mechanism and a controller that controls the steering mechanism is disclosed. The controller includes a vehicle data input that receives data on a position and/or an azimuth of the work vehicle, and a steering controller that specifies deviation of the work vehicle from a prescribed travel path by comparing the prescribed travel path with the data and controls the steering mechanism of the work vehicle such that the work vehicle returns to the prescribed travel path based on an amount of the deviation.
A travel driving apparatus in a work machine includes an output shaft to which driving force is output from a reducer of the work machine, a sprocket hub, a housing, and a floating seal. The sprocket hub includes an inner face portion disposed on a side of the reducer. The sprocket hub is connected to the output shaft. The housing includes an outer face portion that faces the inner face portion. The housing covers the reducer from a side of the sprocket hub. The floating seal is disposed at an end portion of a space formed between the inner face portion and the outer face portion. The space us filled with lubricating oil.
A planetary gear mechanism has a helical gear. A lubrication system for the planetary gear mechanism includes a first lubricating oil supply path, a second lubricating oil supply path, and a controller. The first lubricating oil supply path is disposed on one side of the helical gear in a direction along a rotation axis of the helical gear. The first lubricating oil supply path is formed toward a tooth surface of the helical gear. The second lubricating oil supply path is disposed on an other side of the helical gear. The second lubricating oil supply path is formed toward the tooth surface of the helical gear. The controller switches discharge of lubricating oil to the tooth surface of the helical gear between the first lubricating oil supply path and the second lubricating oil supply path based on a rotation direction of the helical gear.
A planetary gear mechanism includes a plurality of planetary gears with helical teeth, a sun gear disposed inside the plurality of planetary gears to mesh with the plurality of planetary gears, a ring gear disposed outside the plurality of planetary gears to mesh with the plurality of planetary gears, a plurality of shafts rotatably supporting the plurality of planetary gears, a first support wall supporting first ends of the plurality of shafts, a second support wall supporting second ends opposite to the first ends of the plurality of shafts, and a plurality of connecting sections arranged between the planetary gears adjacent in a circumferential direction. The second support wall is disposed opposite to the first support wall. The plurality of connecting sections connect the first support wall and the second support wall. Each connecting section includes first and second end portions connected to the first and second support walls.
A battery frame includes a first bracket supported by a first damper mount and a second bracket supported by a second damper mount. The battery frame is provided with a first surface and a second surface opposed to each other. The first bracket is arranged on the first surface and the second bracket is arranged on the second surface.
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
E02F 9/08 - SuperstructuresSupports for superstructures
An insulator 5 disposed between a stator core and a three-phase coil wound around the stator core includes a main body section 61 that covers a portion around which the coil is wound in the stator core and insulates the stator core and the coil, a locking section 62 disposed at an end portion on a radial direction inner side of the main body section 61, and a plurality of jumper wire holding sections 63 that are disposed a radial direction outer side of the main body section 62 and hold jumper wires of the coil. In an axial direction view, at least one of the plurality of jumper wire holding sections 63 is formed shorter in a circumferential direction on the radial direction outer side than in the circumferential direction on the radial direction inner side.
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
A revolution frame includes a bottom plate and a main beam that rises upward from the bottom plate. The main beam extends in a forward/rearward direction in a central portion in a lateral direction of the revolution frame. A battery attachment support body is arranged on the main beam of the revolution frame.
B60K 1/04 - Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
E02F 3/32 - DredgersSoil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam working downwardly and towards the machine, e.g. with backhoes
E02F 9/08 - SuperstructuresSupports for superstructures
100.
HAUL VEHICLE AND METHOD FOR CONTROLLING HAUL VEHICLE
A haul vehicle includes a dump body, a vehicle body supporting the dump body, a traveling apparatus including driving wheels and supporting the vehicle body, a trolley power receiving apparatus to which power is supplied from a trolley wire, a bidirectional DC/DC converter, a storage battery charged with power supplied from the trolley wire via the bidirectional DC/DC converter, an electric motor that generates driving force for rotating the driving wheels, and a switch mechanism that switches between a first state, in which power is supplied from the trolley wire to the electric motor via the bidirectional DC/DC converter, and a second state, in which power is supplied from the storage battery to the electric motor via the bidirectional DC/DC converter.
B60L 50/53 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells in combination with an external power supply, e.g. from overhead contact lines
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
B60P 1/04 - Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load supporting or containing element
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
patents
