31results about How to "Achieve independent drive" patented technology

The invention discloses an electronic differential coupling four-wheel pure electrically-driven electric car. The independent suspension design is adopted by a front axle and a rear axle, and the front axle and the rear axle are divided into two half drive axles correspondingly. Each half axle adopts an independent disc type motor and a planetary reducer for driving car wheels to rotate. A complete car ECU coordinates actions of disc type motor controllers by receiving information collected by sensors on the car, and the corresponding disc type motors are controlled through the four disc type motor controllers correspondingly. The advantages that the disc type motors and the planetary reducers are small in axial size and large in output torque are fully used, and the disc type motors and the planetary reducers are arranged on the left half drive axles and the right half drive axles, so that the mass of parts under suspension springs is better lowered, especially the mass of tyre parts is lowered. Compared with the combination mode of a tradition motor and a conventional step parallel shaft reducer, the chassis space can be effectively saved, and a battery pack with the larger capacity can be arranged conveniently.

The invention discloses a master-slave control system of a four-wheel independent driven steering robot, and aims at solving the technical problem that most of moving robots in the prior art are two-wheel driven steering robots which are inconvenient to steer, can only deal with easier routing inspection missions and are incompetent to effectively deal with the routing inspection missions when facing the complicated detection environment of an electric power system. According to the system, by the cooperation of an upper computer and a lower computer, the expected rotation rate and expected linear acceleration of four hub motors of the robot and the expected angle, expected angular speed and the expected angular acceleration of four steering servos are obtained according to the planning decomposition of expected routing inspection routes and transmitted to corresponding slave controllers of the hub motors and slave controllers of the steering servos, and finally corresponding control of the hub motors and the steering servos are executed by the slave controllers of the hub motors and the slave controllers of the steering servos respectively to achieve the four-wheel independent driven steering of the robot.

The invention relates to a visual-aid-based garlic seedling automatic film breaking machine and method. The garlic seedling automatic film breaking machine comprises a frame provided with a walking device and a wheel pressing device installed on a rack, the walking device comprises at least three independent drive steering devices, the wheel pressing device comprises a mounting rod extending in the width direction and multiple pressing wheels installed on the mounting rod in the axial direction of the mounting rod, the mounting rods are hinged to the frame, and a pushing device which drives the mounting rod to rotate upwards around a hinge point of the frame is connected to the mounting rod. Accordingly, by arranging the independent drive steering devices, independent driving and independent steering of wheels are achieved, line replacing can be completed through whole machine transverse movement on the edge of a field, the operation continuity and operation efficiency are improved, free 360-degree dead-zone-free steering of the whole machine is achieved, and the machine is suitable for operation and walking of complex road conditions in the field; when the pressing wheels are utilized for pressing a thin film, garlic seedlings penetrate through the thin film, an opening formed in the thin film is greatly reduced, and the heat preservation effect is guaranteed.

The invention discloses an electric automobile and a driving system thereof. The driving system comprises a first motor, a second motor, a first half shaft, a second half shaft, a first deceleration part of a first transmission mechanism, a first deceleration part of a second transmission mechanism, a second deceleration part of the first transmission mechanism, a second deceleration part of the second transmission mechanism and a third transmission mechanism, wherein the first motor and the second motor are connected through a clutch; the first half shaft and the second half shaft are connected by a differential mechanism; the first deceleration part of the first transmission mechanism is connected with the first motor in a transmission mode, and the first deceleration part of the secondtransmission mechanism is connected with the second motor in a transmission mode; and the second deceleration part of the first transmission mechanism is connected with the first half shaft in a transmission mode, the second deceleration part of the second transmission mechanism is connected with the second half shaft in a transmission mode, the third transmission mechanism is connected with the differential mechanism in a transmission mode, the first deceleration part of the first transmission mechanism is selectively connected with the second deceleration part of the first transmission mechanism and the third transmission mechanism through a first synchronizer, and the first deceleration part of the second transmission mechanism is selectively connected with the second deceleration partof the second transmission mechanism and the third transmission mechanism through a second synchronizer in a transmission mode. The electric automobile and the driving system thereof have many workingmodes and can be well applied to complex road conditions.

The invention discloses a head grinding device. The device comprises a head grinding revolving system and a grinding block seat swinging system, wherein the head grinding revolving system comprises a head grinding main shaft, a head grinding main shaft connecting sleeve and a head grinding lower box body; the head grinding main shaft is connected with the head grinding lower box body through the head grinding main shaft connecting sleeve; the head grinding main shaft drives the head grinding lower box body to rotate through the head grinding main shaft connecting sleeve; the grinding block seat swinging system comprises a driving mechanism for driving the grinding block seat to swing, and a grinding block seat swinging mechanism; the driving mechanism for driving the grinding block seat to swing comprises a wave-shaped cam and a wave-shaped cam connecting bearing; the wave-shaped cam of the grinding block seat swinging system sleeves the head grinding main shaft connecting sleeve of the head grinding revolving system through the wave-shaped cam connecting bearing. The head grinding device is simple in structure, easy to accelerate, high in processing efficiency, and easy to mount and maintain.

The invention relates to a condensed steam source heat pump driving multiple-effect distillation solution crystallization purification process. A condensed steam source heat pump is used; the condensed steam latent heat of a tail-effect evaporator is recovered; the condensate water sensible heat, the oil cooling sensible heat, the sleeve cylinder sensible heat and the supercooling sensible heat are recovered in a step way; a condensed steam source heat pump and a water vapor compressor are used for jointly preparing heating water vapor, so that the independent driving multiple-effect distillation solution crystallization purification process is realized. High-temperature brine produced by multiple-effect distillation is subjected to solid-liquid separation by a spiral sedimentation centrifuge to generate crystal salt and brine; the produced crystal salt is conveyed to a collecting pool by a conveying belt for use; the generated brine and supplementing seawater are mixed; then, the mixture is conveyed back to the multiple-effect distillation process for cyclic treatment.

The invention relates to a finger module dividing method based on analysis of moving functions of a human hand, relates to a finger module dividing method, in particular to the finger module dividing method based on analysis of the moving functions of the human hand, and aims to solve the problems that the freedom degree of the human hand is large and complex, and simulation is difficult. The finger module dividing method has the specific steps of step I, building a human hand grasping posture database; step II, analyzing own motion characteristics of each joint; step III, analyzing motion characteristics between joints; step IV, analyzing a correlation scale factor; and step V, analyzing using frequencies of each finger in human hand anatomy and different grasping postures. The finger module partitioning method disclosed by the invention belongs to the field of robots.

The invention relates to an electric car wheel-side reducer assembly structure and a control method thereof. The electric car wheel-side reducer assembly structure comprises an input shaft, an input gear, an intermediate shaft, an intermediate gear, an output shaft and an output gear which are arranged in a box, wherein the input shaft, the intermediate shaft and the output shaft are distributed in a triangular structure, the input gear and the output gear are meshed with the intermediate gear separately, the input shaft is connected with a wheel-side motor arranged beside a wheel of an electric car through a coupling, and the output shaft is connected with the hub of the wheel of the electric car through a male spline. When the wheel-side motor runs, torque is transmitted to the input shaft, after overall torque speed reduction from the input gear to the intermediate gear to the output gear, the torque is transmitted to the output shaft, and finally the output shaft drives the wheel of the electric car, so that the electric car runs. The electric car wheel-side reducer assembly structure is high in transmission efficiency and capable of precisely controlling the driving force of each wheel; as the structure occupies a small space, a large interior space of the car can be achieved, and as the vehicle ground clearance is large, the vehicle passage capacity can be improved.

The invention discloses a power transmission device and an electric vehicle with the device, wherein the power transmission device comprises a first electric motor which comprises a hollow rotor shaft and a second electric motor which comprises a rotor shaft capable of going through and extending out of the hollow rotor shaft of the first electric motor. As the rotor shafts are nested and do not interfere with each other, direct mechanical connection does not exist between a first power transmission chain and a second power transmission chain, which can move independently, and the independent driving device has compact structure. The electric vehicle comprises the power transmission device, wherein a transmission shaft is connected with output ends of a first retarding mechanism and a second retarding mechanism respectively, and wheels are respectively connected with the transmission shafts. Owning to the compactness of the power transmission device, when the device is arranged at the vehicle, the non-suspended mass is little, thus improving the ground force of the vehicle and further improving the vehicle safety. On this basis, if the power transmission device is used to drive a steering wheel, the vehicle steering is more flexible and effortless as the device does not need to be arranged on the edges of the wheels.

The invention relates to a hydraulic valve remote control system for ships and ocean equipment, and particularly discloses an electro-hydraulic apparatus, which mainly solves the technical problem that a fault of a valve system needs manual intervention. According to the technical scheme, the electro-hydraulic apparatus comprises an oil tank, a main body structure and a motor chamber, which are successively connected, wherein one side of the motor chamber is provided with an electrical junction box, and the main body structure consists of a bidirectional gear oil pump, an integrated control block assembly and a motor; the output end of the oil tank is connected with the bidirectional gear oil pump, four input ends of the oil tank are respectively provided with a pressure adjusting apparatus A, a pressure adjusting apparatus B, a valve positioner A and a valve positioner B, the pressure adjusting apparatus A is communicated with the valve positioner B, the pressure adjusting apparatus B is communicated with the valve positioner A, the bidirectional gear oil pump is bidirectionally connected with the motor, and the bidirectional gear oil pump is also communicated with the pressure adjusting apparatus A, the pressure adjusting apparatus B, the valve positioner A and the valve positioner B. The electro-hydraulic apparatus is applied to an openness or switch-type rotary motion valve.

The invention discloses a display panel and a display device. The display panel comprises a first display region, a second display region and a non-display region; first light-emitting elements and second light-emitting elements, wherein the first light-emitting elements are arranged in the first display region, and the second light-emitting elements are arranged in the second display region; a first pixel circuit and a second pixel circuit, wherein the first pixel circuit is correspondingly and electrically connected with the at least one first light-emitting element, the second pixel circuit is correspondingly and electrically connected with the at least one second light-emitting element, and the second pixel circuit is located in the second display region; and a power line which comprises a first power supply structure and a second power supply structure which are electrically connected with each other, the first power supply structure is electrically connected with the first pixel circuit, the second power supply structure is electrically connected with the second pixel circuit, and at least one side of the first power supply structure is disconnected with the second power supply structure. According to the display panel, the occupied region of the power line at the local position of the display panel is reduced, and arrangement of other circuit structures is facilitated.

The invention discloses a VCSEL array for a 3D depth acquisition device. The VCSEL array comprises light-emitting assemblies and a semiconductor substrate, and the light-emitting assemblies are distributed on the surface of the semiconductor substrate and comprise at least two light-emitting unit groups, wherein each light-emitting unit group comprises a plurality of light-emitting units which arecommunicated with one another, the light-emitting unit groups are distributed on the semiconductor substrate in a mutually staggered manner according to the respective corresponding patterns, and thepatterns corresponding to the light-emitting assemblies formed by the patterns corresponding to the light-emitting unit groups are irregular patterns. The 3D depth acquisition device is provided withat least two groups of wires, and each group of wires is connected with and is used for driving each light-emitting unit group. The invention also discloses a processing method of the VCSEL array andthe 3D depth acquisition device. According to the present invention, the depth precision and the energy consumption obtained in specific 3D application can be well balanced.

The embodiment of the application relates to the technical field of rail vehicles, in particular to a micro-rail vehicle and a walking device thereof. The walking device comprises a frame, four driving wheels, four hub motors, a steering motor, four pairs of guide wheels, a carriage hanger, a brake motor, a current collecting device and a control unit. The hub motors are in one-to-one correspondence with the driving wheels and are used for driving the driving wheels to rotate; the steering motor is installed on one side of a stand column, is in transmission connection with two steering stabilizing wheels through a transmission mechanism and is used for driving the two steering stabilizing wheels to move in the vertical direction; the brake motor is used for driving a brake pad mounted on the frame to brake the driving wheels; the current collecting device is used for providing electric energy for the hub motors, the brake motor and the control unit; the control unit is used for controlling starting and stopping of the hub motors, the brake motor and the steering motor. According to the walking device, four-wheel independent driving can be achieved through the driving wheels and thehub motors which are in one-to-one correspondence, and two-way driving can be achieved.

The invention discloses an electric automobile handle type driving operation control device. The device comprises a front mounting seat, a rear mounting seat and connecting seats, which are arranged on a base, a forward linear Hall element and a backward linear Hall element are arranged on the front mounting seat, a swing rod is arranged on the rear mounting seat, a small roller is arranged at oneend of the swing rod, a lower contact is arranged at the other end of the swing rod, the rear mounting seat is provided with an upper contact, a rotating disc is arranged between the connecting seats, advancing and retreating magnetic steel is arranged on the outer wall of the front side of the rotating disc, arc ribs are arranged on the rear outer wall of the rotating disc, a handle is arrangedin a convex ring arranged on a connecting rod arranged on the rotating disc, left-turn and right-turn linear Hall elements are arranged in the convex ring, the outer wall of the convex ring is provided with a right-turn ejector rod, a right-turn power switch outer contact, a right-turn power switch inner contact, a left-turn ejector rod, a left-turn power switch outer contact and a left-turn powerswitch inner contact, a rotating rod is arranged on the lower portion of the handle, left magnetic steel, right magnetic steel, a right-turn switch groove, a left-turn switch groove and an arc resetchute are arranged on the outer wall of the rotating rod, and a left-turn indicator light button, a right-turn indicator light button, an electromagnetic brake button and a horn button are arranged onthe handle.