58results about "Forklift trucks" patented technology

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.

In accordance with one aspect of the inventive concepts, provided is a robotic vehicle comprising at least one processor in communication with at least one computer memory device, a navigation system operatively controlling a drive system to navigate the mobile robot along a predetermined path, at least one sensor configured to acquire real-time sensor data, and a dynamic path adjust system comprising computer program code executable by the at least one processor to cause the navigation system to at least partially and / or temporarily deviate from a current path by generating a dynamically determined path or path segment based on the real-time sensor data and / or an indication in the current path to switch to dynamic path adjust. The robotic vehicle can be configured to switch path to a current and / or original path after executing a dynamically determined path adjustment. A corresponding method is also provided.

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

The invention discloses a hybrid power forklift and a control method thereof, and relates to the technical field of forklifts, and the hybrid power forklift comprises a forklift body and a power system. The power system is arranged on the vehicle body and comprises a walking control system, an operation control system and a whole vehicle controller, the walking control system is used for providing power needed by walking of the vehicle body and power needed during operation, the walking control system comprises a generator, the operation control system is used for providing power during operation of the vehicle body, and the operation control system comprises an engine; the vehicle control unit is used for receiving a demand signal input by a driver. Wherein the generator and the engine are jointly connected with an electromagnetic clutch and used for attracting / disconnecting the engine and the generator, the engine and the generator form a whole range extender for power generation when attracting, and the engine and the generator work independently when disconnecting. According to the hybrid power forklift, independent work or simultaneous work between the generator and the engine is controlled through attraction or disconnection of the electromagnetic clutch.

A fluid suspension system for a land vehicle is provided with a fluid biasing member with a first fluid port and a second fluid port. The fluid biasing member is adapted to be connected to a chassis and a first axle of a land vehicle spaced apart from a pivotal connection of the first axle to pivot the first axle relative to the chassis upon movement to a first position and a second position. A proportional valve is in fluid cooperation with the first fluid port of the fluid biasing member to permit fluid to flow to the fluid biasing member to bias the fluid biasing member to the first position, and to permit the fluid to flow from the fluid biasing member to the proportional valve, and to the second fluid port of the fluid biasing member to bias the fluid biasing member to the second position.

The objective of the present invention is to provide a vehicle control device capable of preventing repetition of movement on the same route when a route including back and forth turning has been planned. A vehicle control device (10) according to the present disclosure comprises a route generating unit (11) for generating a first route for moving from a first location to a target location, a control unit (12) for controlling a drive unit to move along the first route, and a determining unit (13) which, if the first route includes a second route to a back and forth turning point and a third route from the back and forth turning point to the target location, determines whether, at a second location, the vehicle can be deemed to have arrived at the back and forth turning point, wherein, if it is determined that the vehicle is deemed to have reached the back and forth turning point at the second location, the control unit (12) controls the drive unit such that the vehicle proceeds to a position on the third route separated a second distance, greater than a first distance between the first location and the back and forth turning point, from the second location.

The present application relates to the technical field of industrial vehicles, and discloses a control method of a logistics industrial vehicle, which comprises a chassis assembly, a portal assembly and a control assembly, the portal assembly comprises a portal located at the front side of the chassis and a liftable fork arranged on the portal, whether the fork is located at a low position can be detected through a first induction switch, when the fork is located at the low position, a control unit controls a driving wheel set to keep a slow mode with the highest speed of 6km / h, when the fork is located at a high position, whether a speed switching button is in a continuously pressed state is judged, if not, the control unit still controls the driving wheel set to keep the slow mode, if yes, the control unit controls the driving wheel set to keep a fast mode with the speed of 13km / h, two conditions of the fork being located at the high position and the speed switching button being continuously pressed are needed to start the fast mode, which can protect the vehicle, avoid the fast impact caused by the operator falling down or other misoperations, and further improve the safety performance.

The invention provides a vehicle control unit, a vehicle control device and a forklift. The whole vehicle controller is applied to the forklift and comprises a manual driving mode controller interface, an indirect driving mode controller interface, an execution element controller interface and a whole vehicle processing module. The whole vehicle processing module is configured to execute at least one of the following items: receiving a manual control instruction sent by a manual driving mode controller of the forklift through the manual driving mode controller interface; and receiving an indirect control instruction sent by the indirect driving mode controller through the indirect driving mode controller interface. And the whole vehicle processing module is further configured to control the executive component controller of the forklift through the executive component controller interface based on the received target control instruction and the current control mode of the executive component controller so as to control the executive component of the forklift. The vehicle control unit is favorable for reducing the cost of producing a forklift which supports an indirect driving mode and a manual driving mode at the same time.

The present disclosure relates to a system of controlling a lowering speed of a work lever of a forklift which may realize a constant amount of change in the lowering speed of the work lever with respect to a valve opening area, irrespective of a weight of a load placed on the work lever, although a flow regulator is not provided. The system for controlling the lowering speed of a work lever of a forklift includes, a hydraulic motor (130) connected to the work lever through a hydraulic line to transmit a power to the work lever; an electronic solenoid valve (150) for controlling the hydraulic motor connected to the work lever; a weight sensor (140) provided at one side of the work lever, the weight sensor measuring a weight of a load placed on the work lever and transmitting the measured value to a controller (120); and said controller (120) arranged for controlling an RPM of the hydraulic motor (130) and a current amount of the electronic solenoid valve based on the measured value transmitted from the weight sensor (140).

An engine control device for an industrial vehicle includes a seating detector configured to detect a seating state of a driver relative to a driver seat, a neutral detector configured to detect whether a direction operating member of the industrial vehicle is positioned in a neutral position, a fuel supply member configured to supply a fuel to the engine, a first controller configured to stop an output of a driving force from the engine when the seating detector detects that the driver is away from the driver seat, and a second controller configured to restart the output of the driving force from the engine in case that the seating detector detects that the driver is seated on the driver seat and the neutral detector detects that the direction operating member is positioned in the neutral position, after the first controller stops the output of the driving force from the engine.

An obstacle notification device includes an obstacle detection unit configured to detect a positional relationship between an industrial vehicle and an obstacle, a display unit, and processing circuitry. The processing circuitry displays an image for notifying an operator of the presence of the obstacle on the display unit, and executes at least one of restriction of traveling of the industrial vehicle and warning when the obstacle is a causal obstacle meeting a specific condition. The processing circuitry displays a first image on the display unit when notifying the operator of the presence of an obstacle different from the causal obstacle, and displays a second image that is different from the first image on the display unit when notifying the operator of the presence of the causal obstacle.

The invention belongs to the technical field of storage, and particularly discloses an AGV chassis, a carrying device and a carrying robot. The driving wheel assembly on the chassis comprises a driving wheel; the driving wheel fixing frame comprises a first side wall; the cup sleeves are fixed to the two ends of the bottom edge of the first side wall and abut against the two sides of the driving wheel. And the damping device is used for connecting the driving wheels and the AGV chassis body and comprises a damping spring which is fixed in the cup sleeve, an adjusting nut is arranged at one end of the damping spring and used for adjusting the pre-tightening force of the damping spring, and a locking nut is further arranged at the position corresponding to the adjusting nut and used for locking the position of the adjusting nut. The damping robot has the advantages that the pair of damping springs is additionally arranged at the position close to the driving wheel and used for relieving jolt and vibration of the robot in the vertical direction. Therefore, the adaptive capacity of up-down floating of the AGV chassis is higher, and the AGV chassis can stably run in storage bins under various different road conditions.

This invention discloses a four-wheel differential walking chassis structure and its working method. The four-wheel differential walking chassis structure includes three parts: a frame (1), a wheel system (2), and a suspension (3). The frame part (1) is divided into an upper frame (11) and a lower frame (12). The upper surface of the upper frame (11) is used to support and install functional components. On the left and right sides of the front beam (111) and the rear beam (112) of the frame part (1), a total of four outrigger hydraulic cylinders (113) are provided. During vehicle transportation, the piston rod of the outrigger hydraulic cylinder (113) does not extend. During engineering operations, the piston rod extends so that the bottom of the piston rod contacts the ground, the overall vehicle height is raised, the tires are lifted off the ground, and the overall vehicle support stability is enhanced. This invention can self-adjust when traveling on complex potholes and uneven roads, which can well ensure the balance and stability of the whole vehicle, and has good passability and road adaptability.

A system for localization and manipulation of infrastructure includes: a mobile robotics platform; one or more sensors configured to collect sensor data; a processor configured to process the sensor data to identify and localize the infrastructure; and a feedback device configured to confirm the system has correctly identified and localized the infrastructure. The system includes a database of infrastructure descriptors and may spatially register those descriptors to the mobile platform's environment. The mobile robotics platform may employ those infrastructure descriptors as priors to improve sensing and actuation in the identification, localization, and manipulation of infrastructure.

The invention discloses a forklift rear wheel preview safety control system and method, and belongs to the field of heavy forklifts, the forklift rear wheel preview safety control system comprises a forklift body with a steering axle, and the forklift body comprises a sensing module which comprises a binocular stereoscopic vision sensor synchronously steering along with a rear steering wheel so as to scan a road surface within a preset range in front of the advancing track of the rear steering wheel in real time; the control module comprises a tire preview safety controller and is configured to obtain pre-stored tire geometric parameters; road surface information is received, and the three-dimensional point cloud data is mapped to the tire geometric parameters in real time so as to calculate the space interference relation between the obstacle and the tire; according to the space interference relation, the damage risk caused by the obstacle to the tire is judged; when it is judged that the damage risk exists, a graded active intervention control instruction is output according to the current vehicle speed; and the execution module is connected with the control module to receive and execute the control instruction. And the problem of tread cracking and chipping caused by blind area impact of the rear wheel of the heavy forklift is solved fundamentally.

The invention relates to the automotive industry and road transport, specifically to traffic safety systems for vehicles equipped with lifting mechanisms. The technical result of this invention is the automatic control of vehicle speed when driving with an elevated mechanism that increases vehicle height. This technical result is achieved by a vehicle speed limiting system that includes a speed limiting device (1) connected to standard vehicle electrical wiring and capable of continuously monitoring real-time signals about vehicle speed and position of the lift mechanism. The speed limiter (1) is connected to vehicle speed sensors (2), two position sensors (3) of the lift mechanism of the vehicle and to an actuator (4) with the ability to send a speed control signal to actuator (4), if any of the two lift position sensors (3) does not send a signal indicating that the lift mechanism is in its transport position.

A method for dealing with obstacles in an industrial truck, including detecting a current speed and a current steering angle of at least one steered wheel of the industrial truck using a speed sensor or a steering angle sensor. The method also includes calculating a protection zone based on the current speed and the current steering angle and evaluating data supplied by the at least one sensor unit within the protection zone. Responsive to detecting an obstacle in the protection zone, the method includes calculating a specific steering angle difference on a right side and a left side, the specific steering angle difference being such that collision with the obstacle is avoided on the respective side and one or more of, based on the calculated right side and left side steering angle differences, classifying a current degree of difficulty in avoiding obstacles or triggering a predetermined action.

To limit the speed of an industrial vehicle and notifies the driver based on the results of object detection while minimizing declines in work efficiency.SOLUTION: An industrial vehicle is equipped with an object detection unit and a first control unit. The first control unit limits the vehicle speed in accordance with the detection result of the object detection unit when a first driving mode is set. The first driving mode is a driving mode that allows movement in a direction that includes the detection range of the object detection unit. The first control unit performs control so as not to change the upper vehicle speed limit value in the vehicle speed restriction when the driving mode is switched to a second driving mode while the vehicle is traveling in the first driving mode. The second driving mode is a driving mode in which the vehicle does not move in a direction that includes the detection range of the object detection unit.SELECTED DRAWING: Figure 9

Disclosed embodiments include power machine, control systems for power machines, and methods of controlling a power machine to automatically couple an implement to an implement carrier of the power machine. Sensors are used to identify positions of a power machine and of an implement, such as a bucket, to be coupled to the implement carrier of the power machine. Control methods are implemented to allow the power machine to be automatically controlled to couple the implement to the implement.

The invention discloses a hybrid power forklift mode switching control method and device and a forklift, and relates to the field of vehicle control, the method comprises the steps that a whole vehicle walking instruction is made, mode switching is conducted according to the electric quantity value of a power battery and the required torque of a driving motor, the power battery or an engine and a power generation motor are controlled to supply power to the driving motor, and the corresponding torque is output; according to the in-situ inclination or lateral movement instruction, the power generation motor or the engine and the power generation motor are controlled according to the electric quantity value of the power battery and the load of the operation system, and corresponding torque is output; according to the in-situ lifting instruction, the unloading valve is controlled to be closed according to the electric quantity value of the power battery and the load of the operation system, and the power generation motor or the engine and the power generation motor are controlled to output corresponding torque. Corresponding torque driving and switching condition judgment are carried out under different action instructions, the torque is adjusted only after the switching condition is met, then the power generation motor is connected with the engine after the rotating speed of the power generation motor is adjusted, switching between a hybrid power mode and an electric power mode is achieved, and the high-load requirement is met.

The invention relates a method for controlling a change in the direction of travel of a working vehicle (2) between forward travel and rearward travel or vice versa, wherein the working vehicle (2) has an electronically controllable hydrostatic travel drive (3), has a power-operated brake system (22) with at least one electronically controllable brake circuit (106) and has an electronic brake-control unit (40) for controlling the travel drive (3) and also the at least one electronically controllable brake circuit (106) of the brake system (22), and in which method, while the vehicle is travelling in a first direction of travel (15), a change in the direction of travel to the opposite direction of travel (17) is initiated by a switchover (69) of the hydrostatic travel drive (3) by means of an assigned manual operating element (70). To reduce the mechanical loading of the components of the hydrostatic drive train (3.1) of the travel drive (3), it is provided that, when the mentioned change in the direction of travel is being carried out, the deceleration of the working vehicle (2) is assisted by an automatic actuation of the brakes (113a, 113b) of the electronically controllable brake circuit (106) of the brake system (22), wherein these brakes (113a, 113b) are actuated by being triggered by the switchover (69) of the operating element (70) and are released again at the latest when the vehicle comes to a standstill (vF = 0).

This disclosure relates to a hybrid power engine and battery system (100) for a drilling rig. The system includes: at least one internal combustion engine (110); an electric motor and generator assembly (120) mechanically connected to the at least one internal combustion engine (110) and electrically connected to an energy storage system (130) for charging and discharging the energy storage system; a compressor (140) mechanically connected to the at least one internal combustion engine and the electric motor and generator assembly via a clutch (150); a towing system (160) connected to the electric motor and generator assembly; and a control device (180) configured to control one or more of the electric motor and generator assembly, the compressor, the clutch, and the towing system, as well as the at least one internal combustion engine, based on the fuel efficiency of the at least one internal combustion engine.

To provide a travel control device which can reduce vehicle rollover risk.SOLUTION: A travel control device acquires a velocity in a direction of travel, a velocity in a horizontal direction, and an azimuth angular velocity of a vehicle and calculates a rollover risk degree based on LTR (Lateral Load Transfer Ratio), calculates a deceleration which indicates a degree of decreasing the velocity in the direction of travel when the rollover risk degree exceeds a threshold, and controls travel of the vehicle with a value that a target velocity is decelerated on the basis of the deceleration as a new target velocity.SELECTED DRAWING: Figure 1

To prevent contact between objects and engine-powered industrial vehicles. [Solution] The forklift comprises an engine, a power transmission mechanism, a control device, a direction lever, and an object detection unit. The direction lever determines the direction of travel of the forklift according to the operating position. The object detection unit detects the position of objects present in the direction of travel of the forklift. The power transmission mechanism can be switched between a drive transmission state, in which the driving force of the engine is transmitted to the power transmission mechanism, and a drive non-transmission state, in which the driving force of the engine is not transmitted to the power transmission mechanism. The control device puts the forklift into a no-start state S3 when the object detection unit has detected an object, the direction of travel determined by the direction of travel determination unit matches the direction of travel, and the vehicle speed of the forklift is below a stop judgment threshold. In the no-start state S3, the power transmission mechanism is set to a no-drive state.

A vehicle-initiated cadenced operator interaction system introduces an operational concept to a vehicle operator via machine-initiated interactions. Thereafter, the interactions are initiated by the industrial vehicle at a cadence that provides a gap between interactions so that the operator can demonstrate behaviors associated with the introduced concept. The vehicle controller actively analyzes industrial vehicle data associated with the content of the interaction(s) and evaluates the data against predefined operational criteria to determine whether the operator demonstrated the appropriate skills / behaviors associated with the interaction(s). In response to the operator demonstrated capabilities, the system is able to modify the operation of the vehicle to tune the industrial vehicle to the operator. The system is also able to extend to the operational environment by interacting with electronic devices, vehicles, machines, etc. in the operational environment to tune the environment to the operator.

Described herein is an apparatus (1), a system, and a method for facilitating movement of an object (B), wherein the apparatus comprises: - a bearing body (3) provided with an engagement means (5); - a wheel (10) operatively connected to the bearing body via an arm (12) that has a first end portion (14) and a second end portion (16), wherein the first end portion (14) of the arm (12) is rotatably connected to the bearing body; and - a driving device (20) that is directly or indirectly operatively connected to the bearing body (3) and a portion of the arm (12) that is at a distance from the first end portion (14) of the arm, wherein the driving device (20) is configured to rotate the arm (12) and the wheel (10) relative to the bearing body between a passive first position and an active second position. The engagement means (5) of the bearing body (3) is in the form of at least one protrusion arranged to be inserted into a forklift pocket arranged at a bottom portion of the object (B).

A collision avoidance system (1) for a ground vehicle is described, comprising a first transceiver device (4) associated with an obstacle (B), configured to generate and transmit one or more wireless signals (SG_B_i) at a pre-established time interval, the first wireless signal (SG_B_1) carrying an obstacle identification code (ID_1); a second transceiver device (3) associated with the ground vehicle (A), configured to transmit one or more wireless signals (SG_A_i) and receive the one or more wireless signals (SG_B_i) including the first wireless signal (SG_B_1) carrying the obstacle identification code (ID_1); a processing unit (20) configured to process collision data of the vehicle (A), comprising: a first calculation module (21) configured to determine, from the wireless signals (SG_B_i) and (SG_A_i), a trajectory (D_TRJ) of the ground vehicle (A) and the obstacle (B); a second calculation module (23) configured to determine, based on the trajectory (D_TRJ), a collision probability between the ground vehicle (A) and the obstacle (B); an alert module (24) configured to generate and send a collision probability signal between the ground vehicle (A) and the obstacle (B) according to a high collision probability between the ground vehicle (A) and the obstacle (B). The invention further describes a corresponding method and computer program.

The invention discloses a safety control method, system and device for the running speed of an electric forklift, and the method comprises the steps: obtaining the current running state parameters of the electric forklift, and calculating the maximum safety speed of the electric forklift according to the obtained current running state parameters and the running gradient of the electric forklift. The system comprises an acquisition module used for acquiring current operation state parameters of the electric forklift; and the calculation module is used for calculating the maximum safety speed of the electric forklift according to the obtained current running state parameters and the running gradient of the electric forklift. The device comprises a detection device used for obtaining the current operation state parameters of the electric forklift, a calculation unit connected with the detection device, and a calculation unit used for calculating the maximum safe operation speed of the electric forklift according to the current operation state parameters, obtained by the detection device, of the electric forklift and the current driving gradient of the electric forklift. According to the invention, the digital intelligent control of the whole vehicle can be improved without increasing the hardware cost, and the safety is improved.

The invention discloses a traction anti-slip control method for a single-wheel-driven reach forklift truck, which comprises the following steps of: after an accelerator pedal of the forklift truck is stepped down, detecting the detection slip rate of a driving wheel tire of the forklift truck on the ground and friction coefficients corresponding to different slip rates in the acceleration process; the maximum slip rate and the minimum slip rate are obtained according to the relation curve graph; respectively detecting the rotating speeds of a driving wheel and a supporting wheel of the to-be-detected forklift in the accelerated running process of the to-be-detected forklift; then calculating the real-time slip rate of the driving wheel; and controlling the traction torque to be not greater than the adhesion torque of the driving wheel. The positions of a portal and goods are associated with the adhesive force of the driving wheels, the starting traction torque of the driving motor is controlled, meanwhile, the slip state of the forklift is recognized in real time in the running process, and the traction torque of the driving motor is dynamically controlled.

To suppress excessive notification by a notification unit.SOLUTION: A forklift includes an object detection unit, a notification unit, a control unit, and a parking switch. The object detection unit detects the position of an object. The notification unit provides notification to the operator of the forklift. The parking switch detects whether a parking brake is operating. If the parking switch is on, the parking switch does not detect the operator's intention to start the forklift. If the operator of the forklift does not have the intention to start, the notification by the notification unit is stopped.SELECTED DRAWING: Figure 5