517results about "Construction vehicles" patented technology

The invention relates to a construction vehicle (1).A battery module (40; 240; 340) is provided to supply electricity to at least one electric motor (80, 87) of the construction vehicle (1).A fastening structure (70; 270) of the battery module (40; 240; 340) is designed to be removably fastened to a first longitudinal member (10-1), in a fastening position located beneath the cab (29) in the vertical direction (C-C) of the construction vehicle (1), and the battery module (40; 240; 340) in the fastening position is accessible from an outer side of the construction vehicle (1) so that said module can be brought into or out of the fastening position from the outer side of the construction vehicle (1).

The invention relates to a road construction machine having a controller 27 which is configured such that control command signals are generated for drives and actuators 8, 9, 16, 20A, 20B assigned to the wheels 4, 5, 6, 7 and / or the milling / mixing roller 18. Additionally provided are: a human-machine interface 26 that interacts with the controller 27 and a memory device 30that interacts with the controller as well as a state monitoring device 32 that interacts with the controller, which monitoring device detects an operating state or operating mode of the drives and actuators. The road construction machine is characterized in that a plurality of instruction data sets is stored in the memory device, said data sets each containing data for an instruction to be visualized using the human-machine interface. The controller provides a learning mode comprising a plurality of lessons for adjusting the position of the wheels and / or the height of the milling / mixing roller and is configured such that, depending on an operating state or operating mode of the drives and actuators detected by the state monitoring device, a selection of a specific data set is made from the instruction data sets stored in the memory device, and the instruction corresponding to the selected instruction data set is visualized using the human-machine interface. In addition, depending on the command entered with the human-machine interface after the visualization of the instruction, the controller generates for the drives and actuators the control command signals corresponding to the command entered, so that the wheels and / or milling / mixing roller move.

A working machine includes a machine body; a prime mover mounted on the machine body; a peripheral device disposed in a periphery of the prime mover; and an attachment bracket to support the peripheral device. The attachment bracket includes a base member to support the peripheral device in a vicinity of a driven unit to be driven with power of the prime mover, and a pressing member coupled to the base member, to hold the peripheral device between the pressing member and the base member.

An object of the present invention is to provide an information input system for a work machine capable of performing various kinds of settings of a work machine by using an information terminal while preventing an erroneous operation of the work machine. Therefore, in an information input system for a work machine including: a controller that is mounted on the work machine; and an information terminal that inputs information to the controller via communication, an input of the information from the information terminal to the controller is disabled in a case where the information terminal is located at a predetermined position in an operation room of the work machine.

A device includes a platform and a staircase moveable between a retracted state and an extended state. The staircase has steps including a retractable step and a support segment. A linkage system includes an actuator that moves the staircase from the retracted and extended state, a sensor detecting the staircase state and a vehicle condition, and an extension bracket coupling the staircase and platform. A controller determines the staircase state, determines an articulation angle, compares the articulation angle to an articulation angle threshold, in response to the articulation angle exceeding the threshold, causes the staircase to move to the retracted state, detects a vehicle operation event, in response to detecting the operation event, causes the staircase to move to the retracted state, detects a vehicle shut-down event, and in response to detecting the shut-down event causes the staircase to move to the extended state.

A drive for a mobile material processing plant includes an internal combustion engine and an electric motor. The internal combustion engine can be selectively coupled to or uncoupled from a mechanical drive train at its drive end by an internal-combustion-engine clutch and the electric motor can be selectively coupled to or uncoupled from the mechanical drive train by an electric-motor clutch. The drive train has an output end having at least one output, wherein at least one machine unit, in particular an electric generator, is driven by the output(s). The at least one machine unit may be coupled to or uncoupled from the output by a shiftable machine-unit clutch, and the electric-motor clutch or the internal-combustion-engine clutch may be operatively connected to the machine-unit clutch via a coupling, in particular a mechanical or hydraulic coupling.

The construction history calculation system includes a controller that calculates construction history data based on the detection results of a posture detection device that detects the posture of a work machine. The controller acquires target surface data and, based on the acquired target surface data, sets multiple configuration surfaces, including the target configuration surface and adjacent configuration surfaces that constitute the target surface data, as surface areas. It sets multiple record points to achieve a predetermined point density for the surface areas, calculates the trajectory of the work machine's working device based on the detection results of the posture detection device, and calculates the position information of the working device's trajectory, associating the position information of the monitor points of the working device that constitute the trajectory with each of the multiple record points, as construction history data.

An electric hydraulic excavator (1) is provided with a heater core (34) for heating, an electrical heater (35) for heating a second heat exchange liquid to be supplied to the heater core (34), and a second reserve tank (39) into which the second heat exchange liquid flows and from which the second heat exchange liquid flows out. On top of this, a partition wall (12) is provided to partition between a first cooling fan (28) and the electrical heater (35), and a first reserve tank (29) is located on the same side as the first cooling fan (28) on a basis of the partition wall (12) as a boundary, and a first heat exchange liquid for cooling an electric motor (15) and the like flows into and flows out from the first reserve tank (29) with a change in temperature. On the other hand, the second reserve tank (39) is located at the opposite side to the first cooling fan (28) on a basis of the partition wall (12) as a boundary.

A work machine includes an operation box that is disposed in front of a driver's seat and supports a pair of left and right operation levers protruding upward from an upper surface so as to be swingable in a front-rear direction. The operation box has a display device that is disposed on the upper surface and notifies a state of the work machine. On the upper surface, the display device is disposed on an outer side of each swing area of the pair of left and right operation levers and is disposed on one side in a left-right direction with respect to a middle area interposed between the left and right swing areas.

The present disclosure relates to a transmission arrangement including an input shaft, and an output shaft, a first gear stage including a first gear wheel and a second gear wheel drivingly connected to each other, a first planetary gear set including a first sun gear, a first ring gear and a first planet carrier, wherein the first planet carrier is rotationally connected to the output shaft, and a crawler unit being drivingly connectable between the first planetary gear set and the output shaft by a first clutch, wherein the first clutch is configured to rotationally connect one of the plurality of gear members of the crawler unit to one of the first ring gear, the first planet carrier or a stationary member of the transmission arrangement, to cause the first ring gear to rotate in an opposite direction compared to a rotational direction of the first planet carrier.

A control unit for a heavy duty vehicle. The vehicle includes an electric machine connected to first and second driven wheels via an differential. The control unit includes a first wheel slip control module associated with the first driven wheel, and a second wheel slip control module associated with the second driven wheel, where each wheel slip control module is arranged to determine an obtainable torque by the respective wheel based on a current wheel state, wherein the control unit is arranged to determine a required torque to satisfy a requested acceleration profile by the vehicle, and to request a torque from the electrical machine corresponding to the smallest torque out of the obtainable torques for each driven wheel and the required torque.

A work machine for loading material in a worksite includes a power source configured to provide torque, a ground engaging mechanism configured rotate to move the work machine along a ground surface using torque from the power source. A controller is configured to receive a first signal indicative of a speed of the work machine moving along the ground surface and a second signal indicative of a rotational speed of the ground engaging mechanism, and the controller is configured to adjust the torque delivered to the ground engaging mechanism based on the first signal and the second signal, for example, by setting a maximum for an amount of torque to be delivered to the ground engaging mechanism or by sending a signal to the power source or a drivetrain coupled to the power source to change the amount of torque output by the power source or the drivetrain.

The invention relates to a rim for a vehicle wheel, having an inner and an outer rim flange 29,21, an inner and an outer rim shoulder 28, 22, a rim well 23 with well base 24, inner well flank 26 and an outer well flank 24, a transition section 27 and an inner hump 30 with a hump peak. The rim is having specific material thickness in the area of the transition section 27. In order to improve wheels in terms of weight minimization and noise development, the transition section 27 comprises at least one stiffening section 35 with a radi- ally offset wall section, the maximum radial offset H1 of which to the adjoining transition section is greater than the material thick- ness T in the transition section 27. The stiffening section 35 has a diameter Dz, Dw, being equal or greater than the diameter DT on the well base 24 and smaller than diameter DH of the hump peak 31.

A spatially positioned imaging system for a machine, comprising: an imaging device mounted to a frame of the machine; a target configured to interact with the imaging device; and a controller operatively connected to an implement of the machine, the controller configured to receive the target data from the imaging device, interpret the target data to compute a map of a field on which the machine is operating, provide a real-time estimate of a position of the machine within the field, and provide automated input for the implement.

A brake assembly (200, 1100) for a work machine (100) includes a main brake housing (202), a disc stack (204), a brake housing (214) coupled with the main brake housing (202), and a piston (216) to compress the disc stack (204). At least one of the main brake housing (202) and the piston (216) define at least two spring pockets (205). The at least two spring pockets (205) are circumferentially spaced apart from each other. The brake assembly (200, 1100) also includes at least two spring assemblies (218) disposed between the main brake housing (202) and the piston (216). The at least two spring assemblies (218) are adapted to engage the piston (216) with the disc stack (204) to apply brakes via the brake assembly (200, 1100). Each spring pocket (205) of the at least two spring pockets (205) receives a corresponding spring assembly (218) of the at least two spring assemblies (218). Each of the at least two spring assemblies (218) includes at least one Belleville spring (232).

A method (1000) for controlling a speed of a vehicle (1), in particular of a working machine such as a wheel loader (1), depending on a determined actual driving condition of the vehicle (1), the vehicle (1) comprising: a drive unit (2) that is coupled to at least one wheel (3) of the vehicle (1), wherein the drive unit (2) is configured for driving and braking the at least one wheel (3) of the vehicle (1), wherein the drive unit (2) is configured for braking by providing a motor braking torque, and a sensor unit (4) that is configured for detecting an actual speed value of the vehicle (1), and a brake system (5) that is coupled to at least one wheel (3) of the vehicle (1), wherein the brake system (5) is configured for braking the at least one wheel (3) of the vehicle (1), and a control unit (6) that is signalling coupled with the sensor unit (4), the drive unit (2), and the brake system (5), wherein the control unit (6) is configured for controlling the speed of the vehicle (1), the method (1000) comprising the steps: determining (1010) the actual speed value of the vehicle (1) provided by means of the sensor unit (4), and determining (1020) a maximum speed value and determining a critical speed value, wherein the critical speed value is larger than the maximum speed value, and determining (1030) the actual driving condition of the vehicle (1), wherein the driving condition is at least one of the following: an over speed driving condition if the determined actual speed value is larger than the determined maximum speed value and smaller than the determined critical speed value, an acceleration driving condition if the vehicle (1) is accelerated and the determined actual speed value is smaller than the determined maximum speed value, a regular driving condition if the vehicle (1) is not accelerated and the determined actual speed value is smaller than the determined maximum speed value, determining (1040) a target speed value of the vehicle (1) that is smaller than the determined maximum speed value, and wherein if the driving condition is determined as the over speed driving condition, the method (1000) comprising the steps of determining (1050) a speed braking signal value for actuating the friction braking unit depending on the determined target speed value, and providing (1060) the speed braking signal value to the brake system (5) for actuating the friction braking unit.

An engine-type industrial vehicle (10) includes: an engine (31); a power transmission (40) configured to transmit a driving force of the engine (31) to a driving wheel (12); a controller (81) configured to adjust the driving force; a travel direction determiner (88) configured to determine a travel direction of the engine-type industrial vehicle (10); and an object detector (131) configured to detect a position of an object in the travel direction of the engine-type industrial vehicle (10). The power transmission (40) is switchable between a driving force transmission state and a driving force non-transmission state. The controller (81) causes a state of the engine-type industrial vehicle (10) to be in a travel start prohibition state (S3), when the object detector (131) detects the object and a detection direction of the object matches the travel direction, in a case where a vehicle speed of the engine-type industrial vehicle (10) is equal to or less than a stop determination threshold.

A mining machine having a hybrid diesel-electric drivetrain with launch control includes a diesel engine, an electric generator in communication with the diesel engine to produce electrical power, at least one electric traction motor, at least one brake resistor, and a power controller including a processor. The processor is configured to initiate launch control by receiving an instruction to initiate launch control, increasing electrical power to the at least one brake resistor, increasing power output of the diesel engine to cause the electric generator to produce the increased electrical power, and, upon receiving a launch command, redirecting the electrical power from the at least one brake resistor to the at least one electric traction motor.

A method for controlling a vehicle includes obtaining topographic data associated with a geographic area, and selecting a path plan based on the topographic data. The path plan indicates a directional path of travel associated with the geographic area, and includes target states of charge (SOC) associated with the segments. The method includes identifying first segments having decreasing elevation as targets for a regenerative mode, during which energy is returned to an energy storage device in the vehicle, and identifying second segments including a plurality of portions having at least one of an increasing elevation or a substantially unchanging elevation. During travel of the vehicle along selected segments of the plurality of segments, operating the vehicle in an operating mode determined in accordance with the path plan until the energy storage device is discharged to a target state of charge (SOC).

[Problem] The present invention provides a technique capable of ensuring a straight travel property of a work vehicle even when some of straight-travel power is input to a turning power transmission path that is coupled to a turning electric motor. [Solution] The work vehicle includes a straight-travel electric motor that generates the straight-travel power and a turning electric motor that generates turning power. The during straight travel by driving the straight-travel electric motor, when differing from a target rotational speed of the turning electric motor, a rotational speed of the turning electric motor returns to a target rotational speed of the turning electric motor.

To provide an improved battery electric dump truck.SOLUTION: A battery electric dump truck comprising: a frame; a carriage pivotally mounted to the frame; a power supply unit comprising a battery, the power supply unit supplying electrical energy to at least one electric propulsion motor of the battery electric dump truck; and a charging interface unit provided separately from the power supply unit and connected to the power supply unit by electrical wiring.SELECTED DRAWING: Figure 2B

A battery powered driver for propelling a wheeled ground surface modifying machine includes at least one wheel contacting a ground surface, a battery powered electric motor, control circuitry configured to manage delivery of electrical battery power to the electric motor to control a sped of the driver, at least one pedal attached to a pedal axle and tiltable in each of a forward and rearward direction with respect to the pedal axle, and at least one pedal tilt sensor configured to output one or more signals to the control circuitry indicating a degree of tilt of the at least one pedal. The control circuitry is configured to control the electric motor to accelerate the driver forward based on the one or more signals indicating a forward tilt of the at least one pedal, the electrical battery power delivered to the electric motor for forward acceleration proportional to a degree of forward tilt of the at least one pedal, and to control the electric motor to accelerate the driver rearward based on the one or more signals indicating a rearward tilt of at least one pedal, the electrical battery power delivered to the electric motor for rearward acceleration proportional to a degree of rearward tilt of the at least one pedal.

A power machine (300, 400) may include a frame (310, 410), a lift arm (330, 430), and one or more electrical devices for controlling one or more working elements. An electrical tilt actuator (333, 433) may be secured to the lift arm (330, 430) to change the attitude of the implement carrier (372, 472), an electrical lift actuator (338, 438) may be secured to the frame (310, 410) to raise and lower the lift arm (334, 434), an electrical drive motor (326) may be mounted to the track frame (343) to move the track, or a battery assembly (322, 418) and an electrical control module (360, 420) may be secured to the frame (310, 410), including behind the operator station (455).

The invention discloses a hybrid electric drive loader energy output management method based on end cloud fusion, relates to the technical field of loader energy output management, and solves the technical problems that an existing loader energy management strategy lacks a remote model updating mechanism, and a control strategy cannot be continuously evolved along with the use process. The method comprises the following steps: step 1, determining the type of the loader and building a corresponding mechanical-electric-hydraulic coupling model; 2, an energy output management control strategy based on equivalent fuel oil optimization is built, simulation is conducted on the energy output management control strategy and a mechanical-electric-hydraulic coupling model, and an energy management controller is obtained to form energy output management work MAPload; 3, deploying the mechanical-electrical-hydraulic coupling model to a cloud environment for cloud training, and obtaining an evolutionary energy output management MAPupdate; step 4, updating the energy output management work MAPload based on the evolutionary energy output management MAPupdate; 5, repeating the steps 3-4; the invention provides an end-cloud collaborative closed-loop optimization architecture, which realizes continuous iteration and performance improvement of an energy management system.

The hybrid power control device comprises an engine, a clutch, a motor, an integration unit, a control unit, a battery system, a direct current charging port, a mains supply interface and a hydraulic pump, the integration unit comprises an OBC, a PDU, an AC-DC rectification module and a DC-DC conversion module, and the battery system is provided with a BMS module and a TMS module in an integrated mode. The direct-current charging port and the mains supply interface are electrically connected with the battery system and the integration unit through the central rotary connector, and the control unit can obtain the state of the charging port, the battery electric quantity, the clutch pressure and the load power in real time and automatically switch an engine mode and a motor mode according to working conditions. The pressure value of the hydraulic clutch is dynamically adjusted between a set connection point and a set disconnection point through closed-loop control. The system is suitable for various complex working conditions, and it is guaranteed that the vehicle has sufficient power performance through real-time detection and transmission signal control of the control unit. The method is easy to operate, fast, stable, high in energy utilization rate, safe and environmentally friendly.

The mobile machine (100) may include a traction powertrain (124) configured to operate on electric power and including a traction motor (130) coupled to a transmission (132). To lubricate the transmission (132), the mobile machine (100) may include a lubrication system (160) having a lubricant pump (162) coupled to a pump motor (172). The traction motor (130) and the pump motor (172) are electrically arranged in parallel with each other. A powertrain sensor monitors rotational motion within the traction powertrain (124), and the electronic controller (180) may generate a lubricant supply command instructing the lubricant pump (162) to supply a first quantity of lubricant to the transmission (132).

There is disclosed a battery charging device of a construction machine including a power distribution device that distributes electric energy stored in a battery pack to loads inside a construction machine and electrically connects or disconnects a charger for charging the battery pack to or from the battery pack; and a battery management system that electrically connects the charger to the battery pack by controlling the power distribution device and calculates a charging profile for charging the battery pack, and the charging profile may include a first charging section and a second charging section, the first charging section may include a second constant current charging section in which the battery pack is charged at a standard charging rate, and a first constant current charging section in which the battery pack is charged at a higher charging rate than the standard charging rate, and the second charging section may include a plurality of constant current charging sections in which the battery pack is charged at a constant charging rate for each charging section.

The invention discloses an intelligent transient control method and system for a hybrid power assembly, and relates to the technical field of hybrid power engineering machinery, and the method comprises the steps: obtaining a historical working state data set of the hybrid power engineering machinery; training an improved unscented Kalman filtering algorithm by adopting a historical working state data set; the improved unscented Kalman filtering algorithm is a two-stage combined algorithm adopting a whale algorithm and a moss growth optimization algorithm, and a dispersion degree factor and a prior distribution factor with the minimum fitness function value in the unscented Kalman filtering are generated through iterative search; and on the basis of the required power and the working state of the whole machine at the current moment, a trained improved unscented Kalman filtering algorithm is adopted to predict the change of the transient output power of the power battery and the motor and the change of the transient output power of the engine so as to control the output power of the power battery, the motor and the engine. The dynamic response of the whole machine is improved, and adverse effects on an engine, a power battery and a motor are reduced.

An electric work vehicle includes a frame, a battery housing to house a plurality of battery modules, the battery housing being supported by the frame, an AC compressor supported by the battery housing, a condenser mounted on a first front surface portion of the battery housing, a drier fluidly connected to the AC compressor and the condenser, and a first evaporator mounted forward of a second front surface portion of the battery housing in a front-rear direction of the electric work vehicle. The first evaporator is located rearward of the drier in the front-rear direction of the electric work vehicle.