The invention relates to a portable work apparatus which is also suitable for use under water. Cutting, squeezing, spreading, lifting or pulling functions in relation to objects can be carried out with the work apparatus. The work apparatus comprises a housing (13), an electric motor (17) arranged in the housing (13), a hydraulic pump (18) which is driveable by the electric motor (17), a storage battery (16) for providing electrical energy for the electric motor (17), an electronic control device (32) for controlling and/or regulating the electric motor (17), and a hydraulic valve (28) for manually influencing adjustment movements of a piston rod, which piston rod is chargeable with hydraulic pressure by the hydraulic pump (18). The housing (13) of the work apparatus has a housing portion (34) which can be flooded with water and a waterproof housing portion (35) which is protected against water ingress. At least the electric motor (17), the storage battery (16) and the electronic control device (32) are accommodated in the waterproof housing portion (35) which is protected against water ingress. At least the hydraulic pump (18) and the hydraulic valve (28) are accommodated in the housing portion (34) which can be flooded with water.
A62B 3/00 - Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screensPortable devices for preventing smoke penetrating into distinct parts of buildings
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B25F 5/02 - Construction of casings, bodies or handles
2.
Hydraulic unit for hydraulic rescue tools, and rescue tool equipped therewith
A portable, battery-powered hydraulic unit for hydraulic rescue tools, in particular for spreading or cutting tools, as well as a rescue tool equipped therewith, are disclosed. The hydraulic unit includes at least one hydraulic pump, a hydraulic tank, a compensation device for hydraulic fluid, a manually operated hydraulic control valve, an electromechanical interface for on-demand coupling and decoupling of at least one battery pack, a mechanical-hydraulic interface for connecting a hydraulic tool, and an electric motor operable by the electrical energy of the battery pack for driving the hydraulic pump. The electric motor is formed by a disc-shaped motor whose axial length extending in parallel to the longitudinal axis of its output shaft is shorter than its outer diameter.
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
A62B 3/00 - Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screensPortable devices for preventing smoke penetrating into distinct parts of buildings
B25B 28/00 - Portable power-driven joining or separation tools
F04B 17/03 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
A portable, battery-powered hydraulic unit for hydraulic rescue tools, in particular for spreading or cutting tools, as well as a rescue tool equipped therewith, are disclosed. The hydraulic unit includes at least one hydraulic pump, a hydraulic tank, a compensation device for hydraulic fluid, a manually operated hydraulic control valve, an electromechanical interface for on-demand coupling and decoupling of at least one battery pack, a mechanical-hydraulic interface for connecting a hydraulic tool, and an electric motor operable by the electrical energy of the battery pack for driving the hydraulic pump. The electric motor is formed by a disc-shaped motor whose axial length extending in parallel to the longitudinal axis of its output shaft is shorter than its outer diameter.
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
A62B 3/00 - Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screensPortable devices for preventing smoke penetrating into distinct parts of buildings
B25B 28/00 - Portable power-driven joining or separation tools
F04B 17/03 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
4.
Hydraulic unit for hydraulic rescue tools, and rescue tool equipped therewith
The invention relates to a portable, battery-powered hydraulic unit for hydraulic rescue tools, in particular for spreading or cutting tools, as well as a rescue tool equipped therewith. The hydraulic unit comprises at least one hydraulic pump, a hydraulic tank, a compensation device for hydraulic fluid, a manually operated hydraulic control valve, an electromechanical interface for on-demand coupling and decoupling of at least one battery pack, a mechanical-hydraulic interface for connecting a hydraulic tool, and an electric motor operable by the electrical energy of the battery pack for driving the hydraulic pump. The electric motor is formed by a disc motor whose axial length extending in parallel to the longitudinal axis of its output shaft is shorter than its outer diameter.
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
A62B 3/00 - Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screensPortable devices for preventing smoke penetrating into distinct parts of buildings
B25B 28/00 - Portable power-driven joining or separation tools
F04B 17/03 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
5.
Method for operating a rescue system with a mobile rescue device
A rescue system includes a mobile rescue device, in particular a spreading device, a cutting device, or a combined device having a spreading and a cutting function, including a base body with a handle, a working device arranged at the base body, a controller for controlling the work sequence of the working device, and an input device arranged at the base body for inputting control commands into the controller. Furthermore, an external additional input device is formed, which is structurally independent of the mobile rescue device and coupled or couplable with the controller of the mobile rescue device by a data transmission device.
A62B 3/00 - Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screensPortable devices for preventing smoke penetrating into distinct parts of buildings
H04W 4/02 - Services making use of location information
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
6.
MOBILE RESCUE DEVICE AS WELL AS COMPUTER-IMPLEMENTED METHOD FOR THEFT PROTECTION OF THE MOBILE RESCUE DEVICE
A mobile rescue device, in particular a spreading device, includes a cutting device, or a combined device having a spreading and a cutting function, including a base body and a working device arranged at the base body. At the mobile rescue device, a deactivation device is formed for deactivating the working device in the event of theft.
A62B 3/00 - Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screensPortable devices for preventing smoke penetrating into distinct parts of buildings
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
7.
HYDRAULIC UNIT FOR HYDRAULIC RESCUE TOOLS, AND RESCUE TOOL EQUIPPED THEREWITH
The invention relates to a portable, battery-driven hydraulic unit (2) for hydraulic rescue tools, in particular for spreading or cutting tools, and to a rescue tool equipped therewith. The hydraulic unit (2) comprises at least one hydraulic pump (18), a hydraulic tank (25), an equalizing device (26) for hydraulic fluid, a manually actuatable, hydraulic control valve (28), an electromechanical interface (15) for coupling and uncoupling, as required, at least one battery pack (16), a mechanical-hydraulic interface (4) for connecting a hydraulic tool (3), and an electric motor (17) which can be driven by the electrical power of the battery pack (16) and which is designed to drive the hydraulic pump (18). The electric motor (17) is in the form of a disc motor (19), the axial length (22) of which running parallel to the longitudinal axis of its output shaft (21) being shorter than its external diameter (23).
A62B 3/00 - Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screensPortable devices for preventing smoke penetrating into distinct parts of buildings
B25B 28/00 - Portable power-driven joining or separation tools
8.
HYDRAULIC RESCUE DEVICE FOR MANUAL OPERATION BY A RESCUER
The invention relates to a hydraulic rescue device (1) for manual operation by a rescuer. The rescue device (1) comprises a hydraulic cylinder (5) comprising a cylinder tube (6) and at least one piston rod (7, 7') that can be adjusted relative to the cylinder tube (6), at least one support surface (17) formed on the cylinder tube (6) for supporting the rescue device (1) in a load-transferring manner on first object surfaces that can be freely selected by a rescuer, at least one second support surface (19), formed on the at least one piston rod (7, 7'), for supporting the rescue device (1) in a load-transferring manner on second object surfaces that can be freely selected by a rescuer, and at least one control valve (14) that can be operated manually. On the casing surface (22, 22') of the at least one piston rod (7, 7'), at least one or more markings (23, 23'), which can be read by a rescuer, are formed, which at least one marking (23, 23') is provided at least to signal a remaining stroke (24) that is still available and/or an adjusting stroke (25) already travelled of the at least one piston rod (7, 7') with respect to the cylinder tube (6).
A62B 3/00 - Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screensPortable devices for preventing smoke penetrating into distinct parts of buildings
B66F 3/24 - Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
The invention relates to a spreader tip (32) for replaceable attachment to two pincer-like co-operating spreader arms (4) of a rescue tool (1). Mounted on a working face (35) of the spreader tip (32) is at least one insert element (39) which protrudes from and has different material properties in comparison with the spreader tip (32).
B23D 17/06 - Shearing machines or shearing devices cutting by blades pivoted on a single axis characterised by drives or gearings therefor actuated by fluid or gas pressure
A62B 3/00 - Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screensPortable devices for preventing smoke penetrating into distinct parts of buildings
F16G 15/06 - Shackles designed for attachment by joint pins to chain elements, e.g. D-shackles
A hydraulic unit includes two pressure connections for supplying devices, in particular hydraulic rescue devices, including a first hydraulic circuit with a first pump arrangement and a first pressure connection and a second hydraulic circuit with a second pump arrangement and a second pressure connection, wherein the pump arrangements are driven at the same time by a common drive, and wherein by a first valve switch the first hydraulic circuit can be connected to the second hydraulic circuit and by a second valve switch the second hydraulic circuit can be connected to the first hydraulic circuit. The valve switches include a spring acting in the direction of an initial position and from the first hydraulic circuit or from the second hydraulic circuit a first control line runs to the first valve switch and from the second hydraulic circuit or from the first hydraulic circuit a second control line runs to the second valve switch.
The invention relates to a spreader tip (32) for replaceable attachment to two pincer-like co-operating spreader arms (4) of a rescue tool (1). Mounted on a working face (35) of the spreader tip (32) is at least one insert element (39) which protrudes from and has different material properties in comparison with the spreader tip (32).
A62B 3/00 - Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screensPortable devices for preventing smoke penetrating into distinct parts of buildings
A shearing blade for a cutting device includes a main body that has a seat and a blade insert that is arranged on the seat and forms a cutting wedge, wherein the cutting wedge forms a cutting edge via a flank face and a pressure face at an angle to the flank face. The seat has at least one undercut face that acts in a direction transverse to the flank face. When the blade insert is inserted, the undercut face interacts with at least one form-closure face formed on the blade insert, whereby a form closure taking effect transversely to the flank face is established. The blade insert is fastened to the main body by at least one pin-shaped plug-in connection element, which is oriented perpendicular to the flank face and which is arranged in aligned holes in the main body and in the blade insert.
The invention relates to a position-measuring device (2) for a piston rod (6) leading out of a fluid cylinder (1), comprising a material measure in the form of an optically detectable code pattern (8) arranged at the outer circumference (7) of and along the piston rod (6) and a sensor arrangement (9) for optically detecting a rectangular measurement section (29) of the code pattern (8) arranged in a housing (12) in a fixed manner on the fluid cylinder (1), an illumination source (15) emitting a luminous flux onto the code pattern (8), an image sensor (16), measuring lenses (21) for transferring an image of the measurement section (29) onto the image sensor (16) and an evaluating unit (18) for determining the absolute position of the piston rod (6) using the image information captured by the image sensor (16). The illumination source (15) and the image sensor (16) are fastened to a common printed circuit board (17) of the sensor arrangement (9) and a light guiding element (22) for transferring the luminous flux from the illumination source (15) to the measurement section (29) is arranged between the illumination source (15) and the measurement section (29).
The invention relates to a shearing blade (2) for a cutting device (1), comprising a main body (3) that has a seat (11) and a blade insert (4) that is arranged on the seat (11) and forms a cutting wedge (8), wherein the cutting wedge (8) forms a cutting edge (6) by means of a flank face (9) and a pressure face (10) at an angle to the flank face. The seat (11) has at least one undercut face (13, 28) that acts in a direction transverse to the flank face (9). When the blade insert (4) is inserted, the undercut face (13, 28) interacts with at least one form-closure face (16, 27) formed on the blade insert, whereby a form closure taking effect transversely to the flank face (9) is established. The blade insert (4) is fastened to the main body (3) by means of at least one pin-shaped plug-in connection element (5), which is oriented perpendicular to the flank face (9) and which is arranged in aligned holes (18, 19) in the main body (3) and in the blade insert (4).
A62B 3/00 - Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screensPortable devices for preventing smoke penetrating into distinct parts of buildings
The invention relates to an eccentric pump including a frame, a pump shaft which can be driven using a driving device and is mounted to be rotatable about a main axis that is stationary relative to the frame, an eccentric sleeve which is mounted in an axially movable manner on a pump shaft section, an anti-rotation element which is effective between the pump shaft section and the eccentric sleeve), several pump elements which are stationary relative to the frame and are provided with displacement elements that can be moved in a radial direction relative to the main axis, act upon a fluid contained in swept volumes of the pump elements, and are moved against a fluid pressure by an external surface of the eccentric sleeve, and at least one spring element which acts upon the eccentric sleeve in an axial direction.
F01B 1/00 - Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements
F16D 31/02 - Fluid couplings or clutches with pumping sets of the volumetric type, i.e. in the case of liquid passing a predetermined volume per revolution using pumps with pistons or plungers working in cylinders
The invention relates to a cutting device (1), comprising a main frame body (2), at least one fixed shearing element (20) disposed at the main frame body (2), a drive device (4) disposed at the main frame body (2), particularly in the shape of a fluid cylinder (7), and a shearing blade (5), which is drivably connected to the drive device (4), movably guided on the main frame body (2) and interacts with the fixed shear element (20). The main frame body (2) and/or the drive device (4) is produced substantially from light metal or a light metal alloy having a density of less than 5000 kg/m3, particularly of less than 3000 kg/m3.
A62B 3/00 - Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screensPortable devices for preventing smoke penetrating into distinct parts of buildings
The invention describes a rescue apparatus (1) with prising arms (4, 5) on a support housing (3) mounted in at least one pivot bearing arrangement (20) with a drive system (2) so as to be displaceable in pincer-like movement about a pivot axis (17) extending perpendicular to a longitudinal mid-axis (18) of the support housing (3). Surface regions (41) with a higher resistance to wear than the resistance to wear of adjacent regions (42) are provided on at least mutually facing internal surfaces (26, 27) of the prising arms (4, 5).
A62B 3/00 - Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screensPortable devices for preventing smoke penetrating into distinct parts of buildings
The invention relates to a controller (30) having at least one input for a hydraulic fluid for controlling the speed of a hydraulic pump (10) driven by an internal combustion engine (20), characterized in that the controller has at least two inputs, that at least two pressure chamber (310, 320) are each connected to one of the inputs (31, 32), that each of the same has a piston (313, 323) displaceable under pressure from a rest position against the force of a spring (312, 322) into a switched position, and that the piston rod (311, 321) thereof engages at the end of a rod or a pull (35) in the switched position.
F15B 13/06 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
A62B 3/00 - Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screensPortable devices for preventing smoke penetrating into distinct parts of buildings
F02D 29/04 - Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving pumps
F04B 49/20 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups by changing the driving speed
The invention relates to an eccentric pump (1) comprising a frame (15), a pump shaft (3) which can be driven using a driving device (73) and is mounted to be rotatable about a main axis (16) that is stationary relative to the frame (15), an eccentric sleeve (17) which is mounted in an axially movable manner on a pump shaft section (23), a torsional lock (27) which is effective between the pump shaft section (23) and the eccentric sleeve (17), several pump elements (5) which are stationary relative to the frame (15) and are provided with displacement elements (6) that can be moved in a radial direction relative to the main axis (16), act upon a fluid contained in swept volumes (8) of the pump elements (5), and are moved against a fluid pressure by an external surface (18) of the eccentric sleeve (17), and at least one spring element (39) which acts upon the eccentric sleeve (17) in an axial direction. The pump shaft section (23) is designed as an inclined eccentric pin (24) that has an eccentric pin axis (25) which extends at an oblique angle (26) from the main axis (16). The eccentric sleeve (17) that is guided on the eccentric pin (24) has a cylindrical external surface (18), the generatrices (20) of which extend parallel to the main axis (16).
F04B 49/20 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups by changing the driving speed
The invention describes a rescue device (1) having spreading arms (4, 5) which are mounted on a support housing (3) in at least one pivot bearing arrangement (20) and which can be moved by a drive device (2) like pincers about a pivot axis (17) which is perpendicular to a longitudinal center axis (18) of the support housing (3). Surface regions (41) having an abrasion resistance higher than the abrasion resistance of adjacent regions (42) are constructed on at least the opposing inner surfaces (26, 27) of the spreading arms (4, 5).
A62B 3/00 - Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screensPortable devices for preventing smoke penetrating into distinct parts of buildings
patents
