A construction vehicle includes a base vehicle and a skip superstructure with a tipping unit. The base vehicle comprises a driver unit, and an articulated steering system with an articulation. The vehicle comprises a coupling unit on the vehicle for coupling and uncoupling a demountable superstructure. The demountable superstructure comprises one or more coupling elements for coupling the demountable superstructure to the base vehicle.
B60P 1/64 - Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading the load supporting or containing element being readily removable
B60P 1/16 - 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 actuated by fluid-operated mechanisms
2.
Accumulator system having a high-voltage accumulator for mobile work machines
An accumulator system has a high-voltage accumulator for mobile work machines. A battery management system, has a controller-line connections which can be switched by switches; and a data bus for connection to a work machine control unit. In order to advantageously render an electrical-system battery unnecessary, the battery management system comprises, for voltage supply, a DC-DC converter which is located upstream of the controller in terms of current flow and which is connected to the high-voltage accumulator via a standby circuit. The standby circuit can be activated by a circuit that is external to the accumulator system.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
B60L 3/04 - Cutting-off the power supply under fault conditions
B60L 15/40 - Adaptation of control equipment on vehicle for remote actuation from a stationary place
B60L 58/10 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
H01M 10/46 - Accumulators structurally combined with charging apparatus
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
3.
ACCUMULATOR SYSTEM HAVING A HIGH-VOLTAGE ACCUMULATOR FOR MOBILE WORK MACHINES
The invention relates to an accumulator system (1) having a high-voltage accumulator (2) for mobile work machines, comprising: - a battery management system (4) which has a controller (3); - line connections (6) which can be switched by means of switches (5); and - a data bus (7) for connecting to a work machine control unit (8). In order to advantageously render an electrical-system battery unnecessary, the battery management system (4) comprises, for voltage supply, a DC-DC converter (9) which is connected upstream of the controller (3) and is connected to the high-voltage accumulator (2) via a standby circuit (10), which standby circuit (10) can be activated by means of a circuit (11) external to the accumulator system.
A skip apparatus for a working vehicle has a skip that is pivotable upward about a carrying axle and that has a pouring edge via which pourable material is able to be poured out of the skip. The skip apparatus additionally has an emptying device which is pivotable relative to the skip about a pivot axle on the skip during a pivoting movement. The emptying device has an inlet side and an outlet side. The inlet side is arranged in a region of the pouring edge such that the pourable material, which is poured out of the skip via the pouring edge, passes into the emptying device via the inlet side. The pivoting movement of the emptying device is guided in a defined manner by a guiding device. A working vehicle having such a skip apparatus also is provided.
B60P 1/34 - 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 in combination with another movement of the element the other movement being raising or lowering
B60P 1/30 - 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 in combination with another movement of the element
5.
Bent-axis machine having minimum non-zero pivot angle
A bent-axis machine comprises a housing having a control cover and a piston drum which is rotatably mounted in the housing on a valve plate and which has axial cylinders, each of which receives a piston. An adjustment system includes a pivot cradle via which the piston drum and the valve plate can be pivoted relative to the drive axis about a maximum working range which is delimited by a minimum pivot angle and a maximum pivot angle. The minimum pivot angle of the working range is shifted out of its zero position by at least 5°, and the maximum pivot angle is extended in the same way by at least 5° in order to retain the entire working range about the region left out of the lower region.
F04B 1/32 - Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
F04B 1/20 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
F04B 1/24 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons inclined to the main shaft axis
F03C 1/06 - Reciprocating-piston liquid engines with multiple cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
A device for controlling a working machine has at least two control levers which are each operatively connected to at least one control device via an actuation unit. The actuation unit comprises a switching device with which the assignment between control levers and control devices is interchangeable. The switching device comprises at least four levers, of which every two levers are assigned to a control lever. Each of the four levers has a stop point for an actuation element. Each actuation element engages on the stop point with the respective assigned lever via couplings that can be detached without tools.
The invention relates to a construction vehicle, particularly an excavator, comprising a primary drive source (1) connected to the vehicle and a secondary drive source (3) for the purpose of supplying an on-board hydraulic system (4), both drive sources (1, 3) comprising at least one hydraulic pump (2) and at least one hydraulic fluid tank each. In order to achieve favourable connection ratios, it is suggested that the secondary drive source (3) is detachably connected, by means of hydraulic lines (5), to at least one feed and one return conduit (7, 8) of said on-board hydraulic system (4), a control system (9) interrupting the connection of the secondary drive source (3) to the on-board hydraulic system (4) on both the feed and the return sides upon start-up of the primary drive source (1) and therefore preventing redistribution of the volumes of oil circulating in the primary and secondary drive circuits.
The invention relates to a bent-axis machine (1), comprising a housing (2) having a control cover (9) and a piston drum (4) which is rotatably mounted in the housing (2) on a valve plate (3) and which has axial cylinders (5), of which each cylinder (5) receives a piston (6). Said bent-axis machine also comprises a drive flange (8) which is associated with a drive shaft (7) and on which the free ends of the pistons (6) projecting out of the cylinders (5) are supported, and having an adjustment system comprising a pivot cradle for adjusting the displacement volume and having an actuating drive (10), by means of which the piston drum (10) together with the valve plate (3) can be pivoted relative to the drive axis (T) about a maximum working range which is delimited by a minimum pivot angle (αmin) and a maximum pivot angle (αmax). A hydraulic fluid flows over the pivot cradle through the valve plate (3). The invention is characterised in that the minimum pivot angle (αmin) of the working range is shifted out of its zero position by at least 5°, preferably by at least 7°, wherein the maximum pivot angle (αmax) is extended in the same way by at least 5°, preferably by at least 7°, in order to retain the entire working range about the region recessed in the lower region.
F04B 1/24 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons inclined to the main shaft axis
F04B 1/32 - Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
F03C 1/06 - Reciprocating-piston liquid engines with multiple cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
A device for controlling a working machine is described having at least two control levers (1, 1') which are each operatively connected to at least one control device (4, 4') by means of an actuation unit (3), wherein the actuation unit (3) comprises a switching device (5) with which the assignment between control levers (1, 1') and control devices (4, 4') is interchangeable, wherein the switching device (5) comprises at least four levers (6-9), of which every two levers (6, 7 and 8, 9) are assigned to a control lever (1, 1'), wherein one of the two levers (6, 7), (8, 9) assigned to a respective control lever (1, 1') is (7, 8) directly connected to a control device (4, 4') assigned thereto by means of a first pendulum support (10) and each lever (7, 8) directly connected to the control device (4, 4') can be synchronously pivoted with the lever (6, 9) indirectly connected to the control device (4, 4') and assigned to the other control lever (1, 1'). In order to achieve advantageous construction conditions, the invention proposes that each of the four levers (6-9) has a stop point (A) for an actuation element (15), wherein said actuation element (15) engages at the other end thereof with the control lever (1, 1') and engages on the stop point (A) with the respective assigned lever (6-9) by means of couplings (16) that can be detached without tools.
The invention relates to a device for loading using a telescopic loading system, in particular a loading vehicle (1). The device comprises a telescopic boom (4) equipped with a telescopic drive (2), wherein the boom is pivotally articulated on a frame (5) and the free boom end (12) of said boom can be coupled to a loading tool (6). The boom (4) can additionally be moved by a rotary drive (7) between a lower and an upper work position. In order to create advantageous lifting ratios, according to the invention the boom length (L) in conjunction with the rotated position of the boom is limited by a control unit (8) associated with the telescopic drive (2) and the rotary drive (7) to a range (B) that does not, or not significantly, extend beyond a virtual vertical plane (E) perpendicular to the boom pivot axis (11), wherein the standard distance (N) of the plane (E) from the boom pivot axis (11) is smaller than the greatest boom length (Lg).
B66F 9/065 - Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks non-masted
B66F 9/20 - Means for actuating or controlling masts, platforms, or forks
B66F 17/00 - Safety devices, e.g. for limiting or indicating lifting force
The invention relates to an apparatus for the exchangeable accommodation of tools on a tool manipulator, in particular an excavator boom, or on a vehicle, comprising a quick-release unit (1) on the manipulator side for gripping at least one holder on the tool side, preferably two holders (2) associated with the tool and disposed at a distance from each other, wherein the quick-release unit comprises receptacles (3) for the holders (2) and a locking bar (7) which can be displaced between a release position and a locked position in a guide (6), which is associated with the quick-release unit frame (5), by way of an actuator (4) having a cylinder (8) and a piston (9), and which in the locked position thereof engages at least one holder (2) and secures the respective tool in the receptacles (3). In order to create advantageous design conditions, the locking bar (7) is associated with a preferably spring-loaded securing element (11), which locks the locking bar (7) in the locking position thereof with the quick-release unit frame (5).
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Construction machines, in particular excavators, chargers, telescopic loaders, wheel loaders, skid steer loaders, and parts for the aforesaid goods (included in class 7); hydraulic equipment and hydraulic apparatus, attachments for construction machines. Telescopic devices and parts for the aforesaid goods. Dumpers and dump trucks, and parts for the aforesaid goods.
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Construction machines, in particular excavators, chargers, telescopic loaders, wheel loaders, skid steer loaders, and parts for the aforesaid goods (included in class 7); hydraulic equipment and hydraulic apparatus, attachments for construction machines. Telescopic devices and parts for the aforesaid goods. Dumpers and dump trucks, and parts for the aforesaid goods.
