22results about How to "Steering precision" patented technology

The invention relates to a soft robot, in particular to a four-main-body self-growing soft robot for circuit coating, which comprises a base with a sealing cavity, main bodies, stay wire steering joints and magnet sheets, the sealing cavity is divided into an upper layer and a lower layer, and each layer is provided with a reel driving motor and two reels; the two reel driving motors respectively drive the four reels to rotate, main body materials wound on the reels are gradually released along with rotation of the reels and continuously grow forwards under pushing of air pressure, and finally the effect that the four main bodies simultaneously grow forwards is achieved. Two rows of magnet sheets are arranged on the outer surface of each main body at equal intervals and are respectively adhered to the contact positions of the main body and the adjacent main body, so that the four main bodies are adhered into a whole in the growth process, and a closed space formed among the four main bodies can be used for coating a circuit; and the outer surface of the main body is provided with a stay wire steering joint, so that the robot can flexibly adjust the direction in the growth process so as to adapt to complex circuit layout and realize comprehensive coating of a circuit.

The invention relates to the technical field of vehicles, in particular to a vehicle steering control method and device, a vehicle, a storage medium and a program product. Determining a target wheel of the vehicle according to the steering demand; and controlling vehicle steering by taking the target wheel as a rotation center. Therefore, the problem that the rotation center cannot be flexibly selected for vehicle steering in related technologies is solved.

The invention relates to the technical field of medical instruments, in particular to a piezoelectric driving miniature optical probe for cerebrovascular interventional imaging, which comprises a glass tube base body, a single piezoelectric ceramic piece and the like, and is characterized in that the glass tube base body is of a hollow cylindrical structure, and an inclined groove is formed in the axial center of the glass tube base body; the single piezoelectric ceramic piece is fixed on the outer side of the glass tube base body. Through a hollow rod type stator structure composed of a single piezoelectric ceramic piece and a glass tube base body with a 10-degree inclined groove, mode conversion from longitudinal vibration to longitudinal-torsional coupling vibration is achieved, an elliptical motion track is formed at the position of a miniature magnetic ring at the front end of the stator, 360-degree optical scanning is achieved through friction driving of a rotor, and the mechanical property of the motor is improved. Compared with a traditional far-end miniature probe with the diameter usually larger than 1.5 mm, the whole outer diameter of the probe is reduced to 0.4 mm, and smooth navigation and passing in tortuous and narrow brain middle artery (the diameter is usually smaller than 0.5 mm) are easier.

The utility model discloses a multi-directional climbing device for a transmission tower, which comprises a multi-directional climbing module and a base. The multi-directional climbing module includes a clamping mechanism, a climbing mechanism and a steering mechanism. Among them, the clamping mechanism and the climbing mechanism are connected through the steering mechanism. The clamping mechanism is used to clamp or loosen the tower during climbing; the climbing mechanism adopts a screw drive mechanism, and transmits the power of the rotating motor to the ball screw through a synchronous pulley assembly, so as to drive the ball screw platform to complete longitudinal movement; the steering mechanism is used to cooperate with the movement of the clamping mechanism during climbing, so that the device can smoothly turn when reaching the cross arm of the tower. The device of the utility model can climb and cross obstacles, is applicable to transmission towers of different structural types including main material angle steel and cross arms, has a strong load capacity, and can carry maintenance equipment to complete maintenance tasks.

The utility model discloses a pipe bar transferring mechanism which comprises a material frame, an overturning shaft and an installation overturning mechanism, and the installation overturning mechanism is composed of a motor, the overturning shaft, a swing arm plate assembly installed on the overturning shaft and a gear A; the swing arm plate assembly is composed of a turnover arm plate, a gear B, a gear C and a V-shaped lifting plate, the gear B and the gear C are installed on the turnover arm plate, and the V-shaped lifting plate is installed on a shaft of the gear C. A conveying frame assembly is arranged on one side of the material frame, a conveying frame baffle is arranged on one side of the pipe, a motor is installed at one end of the conveying frame baffle, and a turnover shaft is connected to the outer wall of the motor. A gear shaft A and a gear shaft B are mounted at the top of one end of the turnover shaft. The pipe and bar transferring mechanism is reasonable in structural design, stable in component connection and capable of achieving efficient and stable transferring work. And the swing arm plate assembly and the gear transmission system are adopted, so that the pipes can be accurately positioned and steered in the conveying process, and the conveying efficiency and accuracy are improved.

This utility model belongs to the field of photovoltaic cleaning robot technology, and discloses a fixed-point steering device, a photovoltaic cleaning robot, and a photovoltaic cleaning robot system. The suction cup assembly of the fixed-point steering device includes a suction cup, a connecting tube, and a gas adapter. The suction cup has suction holes, one end of the connecting tube is connected to the suction cup, and the gas adapter is rotatably connected to the other end of the connecting tube. The gas adapter is used to connect a vacuum pump. The lifting drive assembly is located on the chassis frame and includes a drive component and a floating lifting component. The drive component is located on the chassis frame, and the floating lifting component is connected to the output end of the drive component. The floating lifting component is movably connected to the connecting tube and is used to drive the connecting tube to rise and fall along its own axis. The connecting tube is configured to move relative to the floating lifting component along its own axis. The above-mentioned connecting tube will not drag the drive component when adapting to the concave area of ​​the walking surface, reducing the risk of damage to the drive component, reducing air leakage from the suction cup, and improving steering stability and accuracy.

An external cable steering branch device relates to the technical field of external prestressed engineering, which is installed in concrete and comprises a guide sleeve, a branch guide and an external anchor cable; the guide sleeve has a conical outer surface; the branch guide is installed in the guide sleeve, the outer circle of the branch guide is provided with conical chamfers at both ends respectively, an anchor cable guide hole is arranged in the branch guide, and the distribution of the anchor cable guide hole is consistent with the distribution of the anchor hole of the tensioning end anchorage device; the half-cone angle of the conical outer surface of the guide sleeve, the conical chamfer angle of the outer circle of the branch guide at both ends and the deflection angle of the external anchor cable are consistent and are all alpha. During tensioning, the anchor cable drives the branch guide to deflect, the bending steering is realized through the cooperation of the two, and the two do not directly contact the concrete. The utility model can reduce the tensioning friction, protect the anticorrosive coating of the anchor cable, ensure uniform stress of the anchor cable, has simple structure and convenient installation, and is suitable for external prestressed engineering of bridges, buildings and the like.

The present application relates to a control system and method for a steering device of a rear wheel of a vehicle, the system comprising: a first magnet mounted to a steering application mechanism; a second magnet mounted to a rotor of a motor; a first magnetic sensor detecting a first magnetic field intensity of the first magnet and a change speed thereof to generate a first detection value of a linear displacement; a second magnetic sensor detecting a second magnetic field intensity of the second magnet and a change speed thereof to generate a detection value of a rotational displacement; and a control unit acquiring the first detection value of the linear displacement from the first magnetic sensor, acquiring the detection value of the rotational displacement from the second magnetic sensor, determining a second detection value of the linear displacement based on the detection value of the rotational displacement, determining an output value of the linear displacement based on the first detection value and the second detection value of the linear displacement to represent a steering angle of the rear wheel of the vehicle, and controlling an energization state of the rotor of the motor based on an offset distance of the output value of the linear displacement with respect to a reference zero position. The system and method of the present application are accurate and safe.

The invention discloses an automatic inspection system for machine room operation and maintenance management, which relates to the technical field of machine room operation and maintenance management and comprises a route acquisition module, a rated control steering angle acquisition module, a benchmarking route acquisition module, an inspection robot calibration line acquisition module, a deviation angle acquisition module, a module for acquiring an angle needing to be adjusted and an updating module. Angles needing to be adjusted corresponding to the intermediate control nodes are used as new rated control steering angle values corresponding to the intermediate control nodes, so that the rated control steering angle values corresponding to the intermediate control nodes are adjusted and updated. The robot can operate according to the corrected parameters when steering at the node subsequently, so that the robot can steer according to the corrected angle when passing through the same node subsequently, the steering of the robot on the preset inspection route is more accurate, the inspection precision is remarkably improved, and the inspection efficiency is improved. Accurate monitoring of machine room equipment state and environment data is ensured.

The invention discloses a multifunctional electric skateboard luggage case, and relates to the technical field of electric skateboard luggage cases, the multifunctional electric skateboard luggage case comprises a skateboard assembly, and the skateboard assembly is composed of a bottom plate, a middle shell and a top plate in sequence from bottom to top. A driving assembly, a clutch assembly and a closing assembly are arranged in the machine shell assembly, an auxiliary assembly is arranged outside the machine shell assembly, and a detachable box body assembly is arranged on the top plate. The driving assembly drives a middle plate to ascend and descend through a three-stage electric cylinder, then the rollers are controlled to stretch out and retract, and sliding power and direction control are provided through a double-shaft motor and a motor respectively. The clutch assembly and the closing assembly are used for locking the moving plate and closing the square hole correspondingly, the rolling wheel is protected, and sundries are prevented from entering. And the box body assembly is quickly connected and locked with the top plate through the plug pin and the lock pin, so that luggage is convenient to carry. And the accessory assembly comprises a telescopic pull rod and a pedal, so that the use convenience and comfort are improved. The multifunctional luggage carrier integrates sliding and luggage carrying, and is diversified in function, easy and convenient to operate and suitable for various scenes.

The utility model discloses an electric welding vehicle, which comprises a vehicle frame, a closed partition plate arranged at the front end of the vehicle frame, a lifting device arranged at the outer side of the closed partition plate, and a gas cylinder placed on the lifting device. The lifting device comprises a pulley block, a winding drum and an extension support. The upper end of the extension support and the pulley block are both fixed on the closed partition plate. The lower end of the extension support is provided with a steel wire rope. The steel wire rope is connected with the winding drum through the pulley block. The winding drum is driven by a winding handle. The extension support is provided with a locking hole. The extension support is locked at different extension lengths by a locking pin. The bottom of the vehicle frame is provided with an electric power driving walking system for driving the welding vehicle to move. The problems of gas cylinder carrying and fixing difficulty, equipment tool storage disorder and wire feeding machine winding are solved.

The utility model discloses a kind of electric drive spraying machines of saddle type, comprising: vehicle body frame, steering front axle assembly and drive rear axle assembly are installed in vehicle body frame bottom, electric control driving assembly is installed in vehicle body frame inside, medicine box conveying assembly is installed in vehicle body frame top;Man-machine driving assembly is installed in medicine box conveying assembly front part, pesticide spraying swing arm assembly is installed in medicine box conveying assembly rear part, integrated valve group assembly is provided in pesticide spraying swing arm assembly front part.The utility model can effectively solve the pollution problem caused by oil leakage, when steering, by the cooperation angle position sensor driving of steering electric cylinder, line control steering is carried out, and then driving wheel is accurately steered according to preset angle;Spray bar turret is driven to lift by lifting electric pole;Two sides of spray bar turret can be buffered and obstacle-avoided by the cooperation of compression spring and cam seat, and can be automatically restored to original position after passing through obstacle, effectively solve the problem that pesticide spraying assembly is easily damaged.

The utility model discloses a steering structure of an AGV (automatic guided vehicle) forklift, which is arranged on a rear axle of the AGV forklift, a swing arm for driving wheels to rotate is arranged on the wheels of the rear axle, and the steering structure comprises a steering motor with a driving gear; the speed reduction mechanism comprises a first speed reduction gear and a second speed reduction gear which are meshed with each other, and the first speed reduction gear is meshed with the driving gear; the steering rod is provided with a rack capable of being meshed with the second reduction gear, and the two ends of the steering rod are rotationally connected with the two swing arms respectively. According to the utility model, the original hydraulic steering is replaced by the driving motor, the speed reducing mechanism and the steering rod, and the driving motor, the speed reducing mechanism, the steering rod and the swing arm are all mechanically connected, so that compared with the flexible connection in the hydraulic steering, the mechanical connection has better steering precision and is more accurate in steering.

The invention relates to the technical field of multi-axle trailer traction. The active control method comprises the following steps: mounting an inertia unit and an angle sensor, acquiring data, analyzing inertia data and included angle information, performing path following and deviation calculation, performing active steering control, performing active braking control, and performing feedback and control optimization. On the premise that a tractor is not transformed on a large scale, through the active control capacity of the trailer, the stability and safety of traction maneuvering are improved, and meanwhile the requirements of the multi-axle trailer in complex terrains and long-distance transportation are met. According to the method, the motion state of the tractor needs to be sensed in real time, accurate steering and braking control is achieved by combining the multi-axle characteristic of the trailer, and therefore the stability problem easily occurring in the traction process of the multi-axle trailer is solved.

The invention provides a projection device for a watch, and the device comprises a light transmitting module which is used for providing light needed by projection; the light preprocessing module is used for preprocessing the light, preliminarily differentiating and guiding the light according to colors and adjusting the propagation directions of the light with different colors; the color separation module is used for separating the light according to colors; the light uniformizing module is used for uniformizing the light; the guiding and correcting module is used for guiding light and correcting the image; the image generation module is used for controlling a reflector to generate an image according to the image signal; and the projection and adjustment module is used for focusing light and adjusting and projecting an image. According to the invention, the technical problem that the quality of a projection image projected by a projection device in a traditional wearable device is low is solved.

The utility model provides a large-area code spraying detection device with a material angle adjusting function, which comprises a conveying belt assembly, a distance measuring device, a material steering device, a code spraying device, a detection device and an unqualified material discharging device, the multiple guiding devices are arranged on the upstream of the distance measuring device and the upstream of the code spraying device respectively, the moving track of the products guided by the guiding devices can be parallel to the axis of the conveying belt, and the material steering device is arranged on the moving track of the products and used for rotating the products. By the adoption of the conveying belt assembly, it can be guaranteed that a product moves along a preset moving path, and therefore it is guaranteed that the distance measuring device can measure the distance accurately; one corner of the product is blocked by the material steering device, so that the product can be steered, and the product can be sprayed with codes in a uniform direction by steering the product in time; materials with similar lengths and widths can be effectively arranged in a unified direction, and code spraying and detection are achieved.

This utility model discloses a double-sided cable trench trolley, belonging to the technical field of cable trench trolleys. This double-sided cable trench trolley includes a main body, a moving mechanism, and a steering mechanism. The main body includes a cable trench trolley body, with a pair of movable slots at both ends. A sliding sleeve is installed at the bottom of each movable slot, and a moving block is slidably installed inside each sliding sleeve. The steering mechanism includes four steering boxes, the upper ends of which are rotatably fitted onto the bottom ends of the moving blocks. A steering wheel is rotatably connected to the bottom end of each steering box. The moving mechanism includes a pair of moving boxes, respectively located on both sides of the bottom end of the cable trench trolley body. Several driven wheels are rotatably connected to one side of the moving box, and a drive wheel is rotatably connected to the other side. This utility model effectively improves the practicality of the double-sided cable trench trolley and has high practical value.

The application discloses a structure of a pneumatic driving continuum robot with asymmetric stiffness, comprising: a bone joint, a plurality of groups of bone joints are arranged, and the bone joints are sequentially connected in series to form a robot main body structure; a direction changing assembly is arranged between adjacent bone joints, the direction changing assembly comprises two groups of symmetrically arranged pneumatic half bellows, and the two groups of pneumatic half bellows are symmetrically arranged between the adjacent bone joints; a penetrating module is arranged, and the plurality of groups of bone joints are connected in series through the penetrating module; a pneumatic module is connected with the pneumatic half bellows and drives the pneumatic half bellows to deform; wherein, the adjacent bone joints are connected through a mortise and tenon structure. The application has different motion characteristics in different directions, can adapt to complex and changeable working environments, and improves the environmental adaptability of the robot. The two groups of symmetrically arranged pneumatic half bellows in the direction changing assembly combine the asymmetric stiffness characteristics, so that the robot turns more flexibly and accurately, and can complete a complex motion trajectory.

The present invention relates to a special device suitable for switching unloading when the material reaches the top of the unloading bin during the positive pressure pneumatic conveying of powdery, fibrous and granular materials. The device can realize the rapid separation of the material and the compressed air during unloading. The material is unloaded into the bin, and the compressed air is guided back to the pressure delivery pipe from the rotating tube. The device has the functions of material flow switching, automatic separation of material and gas, and rapid unloading, thereby simplifying the entire pressure delivery system, eliminating the two-way valve at each switching position, eliminating the flat belt pulse dust collector on the top of each unloading bin, and eliminating a set of tail gas collection and suction pipe network. Moreover, after the compressed air carrying the material is separated from the material when entering the bin, it can return to the original material delivery bin along the pressure delivery pipeline, forming the entire pressure delivery pipe network loop, and the compressed air can be recycled, reducing emissions, protecting the environment, and saving energy and reducing consumption.