371results 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.

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.

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 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).

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 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.

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.

An information display system for a work vehicle includes a meter panel unit including a display and a first controller to control the meter panel unit. The display includes a display region including a primary region to display a primary image indicating primary information about the work vehicle, and a sub-region to display a fault notification image notifying a user of details of a fault occurring in the work vehicle or a history of faults that have occurred in the work vehicle in the past. When the first controller is configured or programmed to display the primary image in the primary region, and a fault diagnosis result is notified from a second controller to perform fault diagnosis of the work vehicle, the first controller is configured or programmed to display the fault notification image including a message notifying the details of the fault occurring in the work vehicle in the sub-region while maintaining the primary image in the primary region.

A power machine can include a frame, a lift arm, and one or more electrical devices for control of one or more work elements. An electrical tilt actuator can be secured to the lift arm to change an attitude of an implement carrier, an electrical lift actuator can be secured to the frame to raise and lower a lift arm, an electrical drive motor can be mounted to a track frame to move a track, or a battery assembly and electrical control module can be secured to the frame, including rearward of an operator station.

The present application relates to a battery electric dump truck, comprising a frame, a dump body pivotably mounted on the frame, a cooling circuit, and a power unit comprising a battery unit and a thermal conditioning unit attached to each other. The power unit provides electrical energy to an electrical propulsion motor of the battery electric dump truck. The thermal conditioning unit comprises at least a first part of the cooling circuit, the cooling circuit comprising valves and connectors for closing off and separating the first part of the cooling circuit of the power unit from a second part of the cooling circuit arranged on the battery electric dump truck, the valves and connectors configured such that the power unit can be de-installed from the battery electric dump truck with the first part and / or the second part of the cooling circuit remaining at least partly filled with cooling liquid.

Systems and techniques are described for an adaptive control system of powered earth-moving construction and / or mining vehicles. In some situations, the systems / techniques may receive signals from various controls of the powered earth-moving construction and / or mining vehicles that provide signals at various high-level voltages and low-level voltages and provide commands to the various controls by modifying command signals to various high-level voltages and low-level voltages. The systems / techniques may employ various modular input / output daughtercards to modify the various signals and commands.

To suppress contact between an object and an engine type industrial vehicle.SOLUTION: A forklift includes an engine, a power transmission mechanism, a control device, a direction lever, and an object detection part. The direction lever determines a travel direction of the forklift according to an operation position. The object detection part detects the position of an object existing in the travel direction of the forklift. The power transmission mechanism can be switched between a drive transmission state where drive force of the engine is transmitted to the power transmission mechanism, and a drive non-transmission state where the drive force of the engine is not transmitted to the power transmission mechanism. In the case where the object detection part detects the object and the object detection direction and the travel direction determined by a travel direction determination part coincide with each other, and vehicle speed of the forklift is equal to or less than a stop determination threshold, the control device sets the forklift to be in a start prohibition state S3. In the start prohibition state S3, the power transmission mechanism is set to be the drive non-transmission state.SELECTED DRAWING: Figure 6

An idle-avoidance system for a work vehicle having an engine and one or more work components includes an electric machine coupled to and driven by the engine and a battery coupled to the engine, the electric machine, and the one or more work components. The idle-avoidance system further includes a controller having a processing and memory architecture. The controller is configured to execute instructions to determine whether the engine is in an idling state and in response estimate a power demand associated with energizing at least one of the one or more work components to an operational state, monitor a state of charge of the battery, terminate operation of the engine when the state of charge of the battery is sufficient to meet the estimated power demand, and activate ignition of the engine and operation of the electric machine in a power generation mode to charge the battery when the state of charge of the battery is not sufficient to meet the estimated power demand.

To provide an actuator assembly involving three chambers for a heavy machine such as a drilling machine in order to reduce restriction loss in a control valve.SOLUTION: An actuator assembly 1000 includes a main cylinder assembly 1100 and a plunger cylinder assembly 1200 disposed in parallel with the main cylinder assembly. The main cylinder assembly is a double-acting type cylinder assembly, and the plunger cylinder assembly is a single-acting type cylinder assembly. The actuator assembly includes three chambers 1102A, 1102B, 1202A applied to be selectively coupled to at least one of a high pressure hydraulic pressure line, an intermediate pressure hydraulic pressure line and a low pressure hydraulic pressure line on the basis of a load requirement of the actuator assembly. The actuator assembly reduces restriction loss in a control valve and thus reduces entire power consumption of a heavy machine.SELECTED DRAWING: Figure 1A

A controller may obtain, from one or more sensors of an operator control of a work machine, sensor data collected from at least one hand of an operator using the operator control. The controller may determine, based on the sensor data, at least one of a physiological profile of the operator or an amount of time that the operator releases the operator control. The controller may cause, based on the at least one of the physiological profile of the operator or the amount of time that the operator releases the operator control, a limitation on a capability of a work implement of the work machine.

A speed reducer 10 of one embodiment includes a first speed reduction unit 100 and a second speed reduction unit 200. The first speed reduction unit 100 includes a first carrier 101, a first case 102 that surrounds the first carrier 101 and is held rotatable relatively to the first carrier 101, and a first reduction portion 103 having a first center shaft 131, which is a first input portion held by the first carrier 101 and to which rotation is inputted from a drive shaft 303. The second speed reduction unit 200 includes a second carrier 201, a second case 202 that surrounds the second carrier 201 and is held rotatable relatively to the second carrier 201, and a second reduction portion 203 having a second center shaft 231, which is a second input portion held by the second carrier 201 and to which rotation is inputted together with the first center shaft 131 from the drive shaft 303.