Patent classifications
B66F9/0755
INSULATION RESISTANCE DETECTION DEVICE AND FORKLIFT TRUCK
The disclosure relates to an insulation resistance detection device and a forklift truck. The insulation resistance detection device includes a detection module, a voltage conditioning module, and a control module. The device uses a first voltage dividing unit and a second voltage dividing unit to replace the inverting amplifier circuit, to obtain a positive voltage corresponding to the voltage of the negative electrode of the battery to be detected with respect to the first reference ground, thereby reducing costs of the insulation resistance detection device. The control module calculates the first insulation resistance of the positive electrode of the battery to be detected with respect to the first reference ground and the second insulation resistance of the negative electrode of the battery to be detected with respect to the first reference ground according to the first voltage and the third voltage.
WALL DETECTION DEVICE, TRANSPORT VEHICLE, AND WALL DETECTION METHOD
According to one embodiment, a wall detection device includes an acquirer and processing circuitry. The acquirer acquires a point cloud, which includes a series of coordinates of a plurality of points corresponding to a first wall and a second wall that oppose each other. The processing circuitry detects a first detected wall and a second detected wall based on a model and the acquired point cloud, the model representing a first plane which corresponds to the first detected wall and indicates a surface of the first wall and a second plane which corresponds to the second detected wall and indicates a surface of the second wall, and the model representing the first plane and the second plane being parallel to each other.
Lifting mechanism and lifting device with the lifting mechanism
The present invention discloses a lifting mechanism mounted on a lifting device, wherein the lifting device includes a carrying unit. The lifting mechanism is disposed under the carrying unit, and comprises a driving assembly and a lifting assembly. The driving assembly includes an axle fixing part, a drive wheel and a power source, and the lifting assembly includes a screw nut and a screw rod. An upper end of the screw rod is fixedly connected to the carrying unit. When the lifting mechanism is traveling, each drive wheel is in contact with a base surface and moves the lifting device on the base surface; and when lifting, each drive wheel rotates on the base surface to drive the screw nut to rotate about a vertical axis relative to the carrying unit, to drive the screw rod to lift the carrying unit along the vertical direction.
POSITION DETECTION APPARATUS AND METHOD OF DISTRIBUTION OBJECT, ROBOT, DISTRIBUTION APPARATUS, AND CONTROLLER
The present disclosure relates to a position detection apparatus and a position detection method of a distribution object, a robot, a distribution apparatus, and a controller, and relates to the field of robots. The apparatus includes: a plurality of ranging sensors arranged on an end surface of a protrusion member of a robot facing a placement region of the distribution object, wherein the protrusion member is located on a chassis of the robot and each of the plurality of ranging sensors is configured to detect a distance between the ranging sensor and an end surface of the distribution object facing the plurality of ranging sensors; and a controller configured to determine that the distribution object has been located at a predetermined position above the chassis in a case where the distance detected by each of the plurality of ranging sensors is not greater than a first distance threshold.
COORDINATED MOTION SYSTEM AND METHOD
A vehicle system includes a first work machine including a first actuator and a first control system, a second work machine including a second actuator and a second control system, and a user input system including a transceiver and a user interface. The user input system is configured to receive a user input via the user interface and provide a signal to both the first control system and the second control system. The first control system and the second control system are configured to receive the signal and thereafter operate the first actuator of the first work machine and the second actuator of the second machine in a coordinated mode of operation. The user input system is configured to provide, and the first control system and the second control system are configured to receive, the signal simultaneously thereby reducing latency between motion of the first work machine and the second work machine in the coordinated mode of operation.
POSITIONING AND CARRYING STRUCTURE, AUTOMATED GUIDED VEHICLE AND LOADING SYSTEM
A carrier applying precision support and lifting by an Automated Guided Vehicle includes a frame, two supporting arms, and pressing components. Two supporting arms are located on either side of the frame and are movable in a receiving direction relative to the frame. The pressing components are located on the frame, the pressing components include first pressure balls, for pushing the supporting arms across the carrier, and second pressure balls for pushing the supporting arms along the receiving direction. The first and second balls improve the positioning accuracy of the supporting arms relative to the object or material to be transported and reduces friction between the supporting arms and the pressing components. An AGV cart and a loading system are also disclosed.
Autonomous forklift truck control system and method for drivng the forklift truck
A control system for a lift truck comprises: human-control devices generating manual-guidance signals for actuators of the vehicle, said devices including a hydraulic steering system, a control module (1) including an automatic-control submodule generating autonomous-guidance signals intended for one or more actuators of the vehicle, depending on setpoint signals, a switching module (2) designed to select one or more manual guidance signals and/or one or more autonomous-guidance signals, and an electrohydraulic valve enabling the conversion of a guidance signal stemming from the automatic-control module into a signal intended for the hydraulic steering system The system includes, in addition, a servo controller of the electrohydraulic valve, comprising a proportional-integral controller, an on/off controller and means for activation of one or other of the PI and ON/OFF controllers, depending on a speed threshold of the lift truck.
Systems and methods for moving a vehicle component relative to the vehicle structure
Systems and methods for moving a vehicle component relative to the vehicle, the system including first and second upwardly-extending supports; a lift frame between the first and second supports including a crossbeam, and a pair of cambered truss assemblies secured to the crossbeam and configured to be attached to the vehicle component; movable first and second crossbeam support assemblies on the first and second supports to support the rotation of the crossbeam; a first lift mechanism configured to move the first crossbeam support assembly along the first support in response to a first control signal; a rotational drive mechanism configured to rotate the crossbeam relative to the first and second crossbeam support assemblies in response to a second control signal; and an electronic controller configured to generate the first and second control signals to change the position of the vehicle component relative to the vehicle.
Transport apparatus
A transport apparatus includes a body; a fork having one portion supported by the body and another portion protruded from the body; a lifting unit; a control unit; a primary rotatable member mounted at a front end portion of the fork; an auxiliary rotatable member mounted at a rotatable-member-attaching position of the fork closer to a front end portion or a rear end portion of the fork compared to the primary rotatable member; and a step detection unit, disposed at a detection-unit-attaching position of the fork closer to the front end portion or closer to the rear end portion of the fork compared to the auxiliary rotatable member, and the step detection unit configured to detect a step member of a carriage base. The control unit lowers the fork using the lifting unit in response to a detection of the step member by the step detection unit.
Industrial truck and method for operating the same
An industrial truck (2) and a method for operating the same. The industrial truck includes a load fork (4), a fork back (6) and a plurality of fork arms (8a, 8b), each of which include an arm tip at a free end and an arm root arranged on the fork back. The industrial truck includes a load carrier detection system for a load carrier (20, 30, 40) to be transported, which includes at least one spacing distance measurement sensor (14) provided on the load fork that is configured to detect a spacing distance between the load carrier and the fork back, and one or more monitoring sensors (10, 12) provided on the load fork configured to monitor a predetermined measurement region on the load fork. A processing unit for the sensors is configured to determine a reception of the load carrier picked up by the load fork.