37results about How to "Improve movement stability" patented technology

The utility model discloses a tray loading and transporting system for metering shell production, which comprises a tray supply unit and a tray transfer unit, the tray supply unit comprises a vacant tray stacking station, a tray transfer line and a vacant tray gripper assembly, and the tray transfer line and the vacant tray gripper assembly are arranged corresponding to the vacant tray stacking station; the tray transfer unit is provided with a tray fixing station, a full-load tray stacking station, a tray fixing assembly, a metering shell gripper assembly and a full-load tray gripper assembly, wherein the tray fixing assembly and the metering shell gripper assembly correspond to the tray fixing station. The metering shell gripper assembly is used for gripping the metering shell located on the outer side of the tray fixing station and placing the metering shell on the tray located on the tray fixing station. According to the automatic feeding device, empty trays can be automatically supplied, metering shells can be grabbed and loaded, full-load trays can be grabbed and stacked, the tray loading and unloading operation efficiency in the metering shell collecting process is greatly improved, the production efficiency and the whole-process action stability and consistency can be improved, and the influence on the gluing quality in the operation process is reduced.

The invention discloses a platform lifting type safety protection device which comprises a fixed side box mechanism assembly and a protection rope system. The fixed side box mechanism assembly comprises a fixed side box frame, a lead screw nut transmission mechanism and a belt transmission mechanism. The lead screw nut transmission mechanism comprises a roller guide rail sliding block assembly, a transmission lead screw and a cavity profile guide rail. The belt transmission mechanism comprises a belt wheel system and a folding connecting rod telescopic system; the upper end of the annular synchronous belt is fixed by the fixed belt clamp, the lower end of the annular synchronous belt drives the movable belt clamp to move upwards, and then the folding connecting rod telescopic frame is driven to contract. A double-section linkage sliding rail structure is adopted, and a motor drives a lead screw nut pair to drive a sectional material guide rail to do lifting motion; the section bar guide rail drives the synchronous belt to rotate, so that the four connecting rods are in synchronous linkage, the single-power double-linkage function is achieved, the double-section telescopic guide rail structure is adopted, the structure is stable and reliable, the total height of equipment is low, and sight shielding of passengers is effectively reduced.

The invention discloses a double-stroke lifting type safety protection device for a platform. The double-stroke lifting type safety protection device comprises a fixed side box mechanism assembly and a protection rope system. The fixed side box mechanism assembly comprises a fixed side box frame, a lead screw nut transmission mechanism and a belt transmission mechanism. The lead screw nut transmission mechanism comprises a roller guide rail sliding block assembly, a transmission lead screw and a cavity profile guide rail. The belt transmission mechanism comprises a belt wheel system and a sliding block lifting transmission system. The upper end of the annular synchronous belt is fixed by the fixed belt clamp, and the lower end of the annular synchronous belt drives the movable belt clamp to move upwards and the lifting sliding block to move upwards, so that a double-stroke mechanism system is formed. A double-section linkage sliding rail structure is adopted, and a motor drives a lead screw nut pair to drive a sectional material guide rail to do lifting motion; the sectional material guide rail drives the synchronous belt to rotate, so that the lifting sliding blocks are in synchronous linkage, the single-power double-linkage function is achieved, the double-section telescopic guide rail structure is stable and reliable in structure, the total height of equipment is low, and sight shielding of passengers is effectively reduced.

The utility model discloses semiconductor process equipment which comprises a cavity, a gas uniformizing part, a rotating motor, a transmission assembly and a plurality of lifting assemblies, the lifting assemblies are distributed in the circumferential direction of the cavity at intervals, the lifting assemblies are connected with the gas uniformizing part, and the gas uniformizing part is connected with the rotating motor. And each lifting assembly is in transmission connection with the rotating motor through the transmission assembly, so that the rotating motor drives each lifting assembly through the transmission assembly to drive the gas uniformizing piece to do lifting motion relative to the cavity. According to the semiconductor process equipment, the problem that the gas uniformizing piece in the current semiconductor process equipment is easy to incline in the lifting process, so that the normal process is unfavorably influenced can be solved.

The utility model relates to a single-key pulling clamp for a helical gear, which solves the problems that the existing clamp fixing structure is easy to loosen due to the vibration generated by a machine tool when in use, so that a positioning piece for positioning the gear shifts left and right, and the machining precision of the gear is influenced, and the single-key pulling clamp for the helical gear comprises a clamp body, the clamp body guides the tooth aligning sliding block assembly in the mode that a linear guide rail is matched with a linear sliding block, transmission is achieved through a transmission lead screw, and the clamp body fixes a helical tooth gear through a single-key tire pulling shaft in a mounting hole. The tooth aligning sliding block assembly comprises a sliding block body in threaded connection with the transmission lead screw and a movable sliding block arranged on the sliding block body, and the end face of a limiting bolt on the outer side face of the sliding block body abuts against the side wall of the movable sliding block. The movable sliding block is provided with a plurality of fixing bolts which penetrate through long holes formed in the movable sliding block in the horizontal direction and then are installed in the fixing threaded holes of the sliding block body in a screwed mode, and the bottom of the movable sliding block is provided with a tooth aligning block used for being matched with a tooth groove of the helical tooth gear.

The present invention belongs to the field of camera sensor technology, and discloses a suspended image sensor fixing structure and a camera module using the structure, which is used to be arranged in the camera module to realize the sensor suspension and movement, including an OIS base and a spring body; the spring body is fixed in the camera module and connected to the OIS base by at least three spring wires; the spring body and the spring wire are both elastic. By using a resin plug-in to connect the coil and the image sensor to a metal plate, the integrity can be improved and the height of the entire camera module can be reduced; at the same time, the metal plate and the OIS spring wire are firmly connected, and it also has a conductive effect between the substrate of the image sensor and the OIS coil, which optimizes and improves the assembly method of the motor.

The invention discloses a tendon-rope-driven dexterous hand finger for metacarpophalangeal joint movement decoupling. A flexion and extension rotating joint and a side-sway rotating joint of the tendon-rope-driven dexterous hand finger are both of a bidirectional rotating structure controlled by a rope driver; the side-sway rotating joint is of a rolling meshing structure formed by two toothed plate components, rope guide wheels are arranged on the two toothed plate components, the two rope guide wheels are used for guiding and outputting a flexion and extension driving rope of the flexion and extension rotating joint and a side-sway driving rope of the side-sway rotating joint, and the winding directions of the flexion and extension driving rope on the two rope guide wheels are opposite. The two free ends of the side-sway driving rope are guided by the rope guide wheels to be arranged in a staggered mode. After the scheme is adopted, a transmission link capable of realizing side-sway motion and flexion-extension motion is decoupled, so that the effective length change of the flexion-extension driving rope caused by the side-sway motion is completely compensated geometrically, and the effective length of the flexion-extension link is kept constant at any side-sway angle; and the action stability and the repeated positioning performance of the fingers of the dexterous hand under the multi-posture and multi-load conditions are improved.

This utility model discloses a torque-limiting wrench, including a grip handle and an actuating disc. The grip handle has a movable cavity, and the movable cavity has a reset assembly. The reset assembly includes a connecting spring and a movable push rod. One end of the connecting spring is mounted on the movable push rod, and the other end of the connecting spring is mounted on the bottom of the movable cavity. A plurality of actuating grooves are evenly distributed circumferentially around the center of the actuating disc. The actuating disc is mounted on the grip handle via a connecting assembly. The connecting assembly includes a connecting support, a rotating connecting rod, and a rotating connecting head. The connecting support is connected to the grip handle, the rotating connecting rod is mounted on the connecting support, and the rotating connecting head is mounted on the rotating connecting rod. This design ensures that the torque applied to the working tip of the device is within a safe range, preventing damage to the device or affecting the fixing effect due to excessive or insufficient torque.

This invention belongs to the field of fiber optic connector technology and discloses a high-return-loss fiber optic connector and its manufacturing method. The connector includes a mounting sleeve with an inner cylinder inside. An outer cylinder is threaded onto the inner cylinder. A positioning ferrule is located inside the inner cylinder, and an optical fiber cable is located inside the positioning ferrule. A spring is located on one side of the positioning ferrule. A mounting base is threaded onto the inside of the mounting sleeve. This invention uses a locking lever to simultaneously engage the inner cylinder and the mounting sleeve, achieving anti-loosening positioning of multiple components. When the anti-loosening mechanism is triggered, the rotating ring synchronously drives the clamping plate to clamp the optical fiber cable. External tensile force is directly borne by the clamping mechanism and is not transmitted to the positioning ferrule. The overall structure has strong linkage, effectively preventing axial movement and circumferential rotation of the positioning ferrule, ensuring the mating accuracy and return loss stability of the positioning ferrule, and significantly improving the connector's tensile and vibration resistance.

The application relates to the technical field of autonomous navigation, and discloses a low-altitude visual language navigation method, a low-altitude visual language navigation system and a medium. User spoken navigation instructions, current visual observation data, historical visual observation data, a previous time stage state and a candidate action set are acquired. The user spoken navigation instructions are subjected to structured processing to obtain a structured constraint object representing navigation stage constraints. The previous time stage state and the structured constraint object are used to determine a current stage target readable sign and a current stage action constraint. The target readable sign is cross-frame confirmed based on the current and historical visual observation data to generate a structured sign evidence. Whether the structured sign evidence meets a current stage sign triggering condition is used to update or maintain the current stage state. An action constraint mask is generated according to the state result and the stage action constraint to determine a current navigation action. The application can improve stage consistency and action stability in low-altitude street view navigation.

An inner cavity of a main body sliding block is matched with a T-shaped guide rail and moves on the T-shaped guide rail, and an upper protrusion of an arc-shaped structure is arranged on the inner side of the upper surface of the flange, close to the T-shaped guide rail, of the main body sliding block; the multiple sets of guide wheels are distributed on the two opposite sides of the flange of the T-shaped guide rail in two rows. The upper ends and the lower ends of the guide wheels are symmetrically provided with conical parts. The radial correction assembly is used for driving the guide wheel to radially move; the axial correction assembly is used for driving the guide wheel to move in the axial direction. Through structural optimization design, it is ensured that the anti-falling device can smoothly pass through the dislocation position of the guide rail joint, flexibility is achieved, climbing personnel are not affected, and therefore the safety and effect of high-altitude operation are improved. The radial correcting assemblies and the axial correcting assemblies are matched to drive the guide wheels to move, so that various dislocation conditions can be adapted, the cost of manually adjusting the dislocation guide rail is saved, and the high-altitude operation efficiency is improved.

The invention relates to the technical field of underwater robots, in particular to a modular underwater robot stability adjusting system and an adjusting method thereof, which can realize stable navigation of an underwater robot in a complex environment and improve the working efficiency and safety of the underwater robot. According to the system, a modular design concept is adopted, the system can be easily integrated into underwater vehicles of various shapes and sizes, the application range of equipment is greatly expanded, and a suitable application scene can be found from scientific research to commercial development; the stability and maneuverability of the underwater robot in various working environments can be achieved by accurately adjusting the balance weight and the telescopic fixing fins, and the safety and efficiency of underwater operation are ensured. In conclusion, the system achieves balance weight parameter adjustment of the underwater robot, the balance weight parameter adjustment comprises the heavy buoyancy relation, the heavy buoyancy center relation and the lift force, the balance attack angle and the balance rudder angle are reduced, the straight moving resistance of the underwater robot is reduced, and better stability and maneuverability are achieved.

This invention belongs to the field of automated assembly technology, and specifically relates to a semi-automatic tightening device for confined spaces. It includes a power source lifting system, an upper tooling horizontal feed system, an upper tooling lifting system, an upper tooling indexing and positioning system, a tightening central system, and a bottom support system. The power source lifting system, upper tooling horizontal feed system, upper tooling lifting system, and upper tooling indexing and positioning system are connected sequentially from top to bottom. The tightening central system is connected to the upper tooling lifting system, and the bottom support system is connected to the bottom of the tightening central system. The power source lifting system is used to complete the docking action of the tightening power source, the tightening central system is used to complete the tightening power output, and the bottom support system is used to assist the tightening central system in providing radial support. This invention features a high degree of automation and high motion precision, avoiding human error and ensuring consistent tightening of all nuts.

The utility model relates to a three-linkage mechanism for stably lifting a lower furnace cover, which is technically characterized in that a first right-angle converter, a second right-angle converter and a third right-angle converter are respectively fixed at the tops of three vertical brackets, and the horizontal input ends of the first right-angle converter, the second right-angle converter and the third right-angle converter are connected with a servo motor through a synchronous transmission mechanism; the vertical output end of the first right-angle converter is connected with the upper end of the first longitudinal lead screw, the vertical output end of the second right-angle converter is connected with the upper end of the second longitudinal lead screw, and the vertical output end of the third right-angle converter is connected with the upper end of the third longitudinal lead screw. The first longitudinal lead screw, the second longitudinal lead screw and the third longitudinal lead screw are respectively provided with a nut, the three nuts correspond to the three connecting pieces in a one-to-one mode and are fixedly connected with the three connecting pieces, longitudinal guide rails parallel to the first longitudinal lead screw, the second longitudinal lead screw and the third longitudinal lead screw are arranged on the vertical support, and sliding blocks matched with the longitudinal guide rails are arranged on the connecting pieces. The mechanism is convenient to assemble and drives the lower furnace cover to lift stably.

This invention relates to the field of toy technology, providing a hip joint body and toy. The hip joint body includes a support body, a left connecting component, a right connecting component, a left building block, and a right building block. The left building block is positioned on the left side of the support body via the left connecting component, and the right building block is positioned on the right side of the support body via the right connecting component. The left leg connected to the left building block and the right leg connected to the right building block can be adjusted to a closed position. This invention uses a combination of multiple rotatable and sliding parts, which can flexibly realize the closing and extending movements of the legs, solving the problem of interference between the groin and the inner thigh during leg closing, and greatly improving the fidelity of the simulated movement and the freedom of joint movement.

The application discloses a spring operating mechanism and method for a circuit breaker, and belongs to the technical field of circuit breakers, which comprises a clamp plate type frame, an energy storage to position clutch, a closing holding and a manual closing soft interlocking device, the clamp plate type frame is fixedly connected by opposite first and second side plates through a supporting piece; an energy storage motor of an energy storage transmission device is connected with an energy storage shaft through a transmission assembly, a cam is arranged on the shaft, and an energy storage holding buckle is arranged; the energy storage to position clutch device is a one-way clutch assembly connecting the transmission assembly and the energy storage shaft; the closing holding device comprises a hinged opening release assembly, a reset elastic piece and a linked output shaft; the manual closing soft interlocking device comprises a sliding manual operating assembly, a closing trigger piece and an interlocking assembly, and is matched with the energy storage holding buckle; the problems of the existing spring operating mechanism for the circuit breaker, such as the reliability, structure, cost or precision related defects of the energy storage clutch device, the manual closing mechanical interlocking, the closing holding structure and the modular mechanism cooperation are solved.

This application relates to automatic fire alarm and linkage systems, specifically in the field of fire alarm technology. It includes an alarm body, a tiered voice warning system, a smoke sensor, a miniature camera, a sensing mechanism, and a connection structure. By incorporating a smoke sensor and a miniature camera, this application improves the accuracy of fire detection and reduces false alarms and missed alarms. The smoke sensor detects the ambient smoke concentration, while the miniature camera simultaneously captures environmental images and identifies smoke morphology. The two are electrically connected and work together to determine the fire's characteristics. Subsequent actions are triggered only when both detection results match preset fire smoke characteristics. This overcomes the limitations of traditional single-sensor detection, effectively distinguishing fire smoke from non-fire factors such as cooking fumes and construction dust, reducing the probability of false alarms and missed alarms, and preventing disruption to daily life due to false alarms or delays in fire response due to missed alarms. By incorporating a sensing mechanism, a pressure sensor, and a tiered voice warning system, it achieves tiered early warning, adapting to the initial stages of a fire.

The invention relates to the technical field of power transmission structures, in particular to a vibration rotating device and a massager. The vibration turning device comprises an operation part, a direction changing part and a rotation driving part; the rotation driving part is connected with the operation part through a direction changing part, and the operation part can swing in a reciprocating mode at a set angle. One-way rotation is output through the rotation driving part, and reciprocating swing at a set angle is output through cooperation of the direction changing part, so that reciprocating swing of the operation part according to the set angle is achieved, the use requirement of a user for a specific scene is met, and the robot is simple in structure, good in movement stability and high in adaptability.

The invention discloses a pop-up light shield based on a memory metal spring, and relates to the technical field of optical system light shields, the pop-up light shield comprises a fixed cover and a pop-up cover, the end part of one side of the fixed cover is provided with a plurality of mounting plates, and the plurality of mounting plates are uniformly arranged along the outer circumference of the fixed cover; a plurality of first limiting flanges are arranged at the end part of the other side of the fixed cover; a plurality of limiting guide rails are arranged on the inner wall of the pop-up cover, and each limiting guide rail is in sliding connection with the corresponding first limiting flange; the side face, close to the pop-up cover, of the mounting plate is connected with the end, away from the fixed cover, of the pop-up cover through a memory metal spring, the memory metal spring is arranged in a heating pipe in a sleeved mode, one end of the heating pipe is connected with the mounting plate, and the other end of the heating pipe is bonded to the pop-up cover. The self-unfolding mode of the memory metal spring is adopted, the structure is simple, deployment is convenient, and good movement stability and high unfolding precision are achieved.

The utility model discloses a raw material crusher of plastic particle production, including the organism, the top of organism is provided with the hopper, the front and back of organism all are fixedly connected with the support, the left side fixedly connected with the connecting block of support, the front and back of hopper all are fixedly connected with the axle rod, the both ends of axle rod all are connected with the connecting block and are connected movably, the hopper can utilize axle rod and rotate swing and change the inclination angle, the top of organism is provided with transmission structure, transmission structure can control axle rod rotation, transmission structure includes the electric telescopic handle of fixed connection in the top of organism, the output of electric telescopic handle is fixedly connected with the transmission block. The utility model discloses through hopper angle adjustable, adapts to different raw material fluidity, avoids the raw material stagnation or blockage caused by the gentle inner wall, through the change inclination angle control raw material down speed, improve the evenness of raw material of crusher feeding, reduce the equipment idle running or overload risk.

The application discloses an amphibious bionic robotic fish, and belongs to the technical field of bionic robots. The fish body, the main frame, the tail fin driving structure, the pectoral fin driving structure, the linkage type multi-legged structure integrated in the fish body and the hatch structure are included. The hatch structure includes a hatch and a hatch driving mechanism. When the hatch is opened, the multi-legged structure is exposed for land walking. When the hatch is closed, the fish body is streamlined for underwater movement. The linkage type multi-legged structure is composed of four four-legged modules. Each four-legged module contains a double-crank rocker mechanism. The double-crank has a 180° phase difference to ensure walking stability. Four independent power sources are used to drive walking and differential steering. The tail fin driving structure realizes passive swinging of the tail fin through a tension spring. The pectoral fin driving structure assists in adjusting the underwater posture. The linkage type multi-legged structure is integrated in the fish body without the need for external additional modules or complex deformation mechanisms. The structure is compact, the water-land mode switching is reliable, the motion stability is strong, the water-land cross-medium moving task can be autonomously completed, and the application is suitable for underwater detection, environmental monitoring and other fields.

This invention belongs to the field of bulldozer technology and provides a safety control method and system for bulldozer escalators. It controls the escalator's ascent or descent when the following conditions are met simultaneously: the bulldozer is stopped, the bulldozer is in zero gear, the escalator limit switch operation signal and safety judgment signal are mutually exclusive, and the circuit is normal. The system also considers the escalator's descent during bulldozer deceleration. It considers whether there are simultaneous escalator ascent and descent switch press signals, whether the bulldozer is stopped, whether the bulldozer is in P gear, whether the escalator limit switch operation signal and safety judgment signal are mutually exclusive, and whether the circuit is normal, thus maximizing the safety of ascent and descent control. During escalator descent control, it achieves the goal of simultaneously stopping the engine, opening the door, and escalator descent, shortening control time and improving operator efficiency while ensuring safety.

The invention discloses an ankle training device, comprising a base; a rotary shaft support component, a moving pair is formed between the rotary shaft support component and the base and / or a rotation pair is formed between the rotary shaft support component and the first end of the base; a swing guide rod mechanism, comprising a crank rotary shaft, a crank, a first slider, a first slide rail and a pedal, the first slide rail is arranged on the back of the pedal along the length direction of the pedal, the first slider is slidably installed in the first slide rail, the first slider and one end of the crank form a rotation pair, the crank rotary shaft is rotatably installed on the other end of the rotary shaft support component, the other end of the crank is fixedly connected to one end of the crank rotary shaft, and a rotation pair is formed between the base and the pedal; a first adjustment mechanism is arranged between the rotary shaft support component and the base. The present invention can significantly activate the naked joint movement of the lower limbs of the human body, promote blood flow, and has the characteristics of not interfering with the normal state of muscles and pulses, adjustable form to adapt to different needs, and conforming to the movement law of the human ankle joint.

The present invention discloses a semi-submersible offshore wind turbine foundation, comprising a V-shaped floating body and a U-shaped tube structure; the V-shaped floating body comprises a base floating body and a wind turbine base, the base floating body is arranged in a V shape, and the wind turbine base is arranged on the upper surface of the intersection position of the base floating body; the two ends of the U-shaped tube structure are respectively connected to the upper surfaces of the two ends of the base floating body; the wind turbine base and the U-shaped tube structure are both provided with moorings. The overall structure of the present invention is simple, easy to transport and assemble, and the assembly of the two parts can be completed at sea.

The invention provides a hydraulic electronic load sensitive and pump control system of a cabin cleaning robot and a working method, and belongs to the technical field of engineering robots and hydraulic transmission. Comprising a power unit, a hydraulic pump set, a valve set assembly, an executing mechanism, an electric control system and a measurement and control system. The power unit is in transmission connection with the hydraulic pump set and used for driving the hydraulic pump set to operate, the hydraulic pump set and the valve set assemblies form a closed oil way through hydraulic management, the valve set assemblies are communicated with the execution mechanisms in a one-to-one correspondence mode and control the execution mechanisms to act, and the electric control system is electrically connected with the hydraulic pump set, the valve set assemblies and the measurement and control system. The controller is used for receiving detection signals and outputting control instructions. A dynamic adjustable pressure difference setting scheme is adopted, switching adjustment can be carried out within the range of 5-30 bar according to working conditions, and compared with a fixed pressure difference design of a traditional load sensitive system, the fixed pressure difference loss is greatly reduced; optimization and upgrading of system energy efficiency are achieved through the dual design, the energy efficiency utilization rate is remarkably improved, and the energy-saving effect is outstanding.

Flexible electrophoretic display method, device and electronic device based on pixel correction, relating to the field of data processing. In this method, an image to be displayed is obtained, and the image to be displayed includes multiple pixel blocks; a strain distribution map collected by a strain sensor array is obtained; according to a preset mechanical formula, the strain distribution map is converted into a curvature distribution map to obtain the curvature of each pixel block; the target grayscale of each pixel block is determined according to the curvature; a corresponding target driving voltage waveform is set for each pixel block according to the target grayscale, and the target driving voltage waveform includes a rising edge, a holding stage and a falling edge; the target driving voltage waveform is applied to each pixel block to realize the display of the image to be displayed. The technical solution provided in this application is implemented, and the driving voltage of each pixel block is calculated according to the curvature to ensure that a consistent display screen is maintained under different bending states, thereby improving the user experience.

The utility model relates to a limit switch, which comprises a box cover, a box body and a display module, the box cover is fixedly connected with the box body, a switch component is arranged in a cavity formed by the box cover and the box body, the display module is connected with a rotating shaft assembly, and the rotating shaft assembly is used for switching OPEN characters and CLOSE characters. The rotating shaft assembly comprises a rotating shaft, a roller arranged on the rotating shaft and an eccentric wheel eccentrically arranged with the rotating shaft, the rotating shaft and the roller are concentrically arranged and synchronously rotate along with the rotating shaft, and the eccentric wheel is driven by the roller to rotate and is matched with the microswitch for use. According to the utility model, the microswitch is triggered by adopting the rotating shaft, the roller and the eccentric wheel, and the eccentric wheel can adopt structures with different sizes and shapes so as to be matched with the microswitch for use, that is, the cooperation between the microswitch and the eccentric wheel is more flexible; and due to the design of the eccentric wheel, the action stability of the microswitch can be improved, and the situation of false triggering or missed triggering can be reduced.

The application discloses a magnetic rebound key structure and electronic equipment, and relates to the technical field of electronic equipment input devices, which comprises a first component, a second component, a first permanent magnet, a second permanent magnet and a magnetic guide assembly. One of the first permanent magnet and the second permanent magnet constitutes a middle permanent magnet, and the other permanent magnet and the magnetic guide assembly are respectively located on the two sides of the middle permanent magnet in the axial direction. The other permanent magnet is coaxially arranged in correspondence with the middle permanent magnet and forms a magnetic repulsion relationship. The magnetic guide assembly and the middle permanent magnet form a magnetic attraction relationship in the corresponding area, thereby forming a repulsion-attraction composite magnetic circuit. During the pressing movement, the axial gap between the magnetic guide assembly and the middle permanent magnet and the axial gap between the middle permanent magnet and the other permanent magnet change in a manner of increase and decrease, and the magnetic repulsion component and the magnetic attraction component jointly form a magnetic rebound force, so that the magnetic force is recovered without a mechanical spring. The magnetic circuit has strong designability, flexible hand feeling adjustment and good durability.

This utility model relates to a pneumatic handling robot arm for picking up and placing scooters into a box. It includes a base, a column fixedly mounted on the base, a column rotation joint at the top of the column, a primary swing arm with one end connected to the column rotation joint, an intermediate rotation joint at the end of the primary swing arm away from the column rotation joint, a secondary swing arm with one end connected to the intermediate rotation joint, a cylinder hinged to the secondary swing arm, a transmission mechanism, and a sponge suction cup clamp mounted on the free end of a steel wire rope. The transmission mechanism includes a steel wire rope and a guide mechanism. The guide mechanism is located on the secondary swing arm. One end of the steel wire rope is connected to the piston rod of the cylinder, and the other end passes around the guide mechanism and connects to the sponge suction cup clamp. This utility model provides a pneumatic handling robot arm for picking up and placing scooters into a box. This robot arm has unique structural layout features, aiming to safely, efficiently, and flexibly complete the grabbing and placing of scooters into the box.