85results about How to "Reduce reaction force" patented technology

The invention discloses a laser cutting device for kitchenware production, and relates to the technical field of kitchenware production, the laser cutting device comprises a fixed frame, a supporting frame is fixedly mounted at the bottom of the fixed frame, a plurality of placing frames are fixedly mounted on the inner side of the fixed frame, the laser cutting device further comprises a movable frame and a laser cutting device, the movable frame is arranged above the fixed frame, and a movable seat is arranged above the interior of the movable frame; a U-shaped frame is fixedly installed at the bottom of the movable seat, an electric push rod is fixedly installed in the U-shaped frame, meanwhile, a disc is fixedly installed at the movable end of the electric push rod, guide rods are symmetrically installed at the top of the disc, the two sets of guide rods are both slidably connected with the U-shaped frame, and a laser cutting head is fixedly installed at the bottom of the disc; the top of the cutting position can be cleaned after the plate is cut, attached slag can be cleaned down, the subsequent grinding and cleaning step is omitted, the influence on subsequent kitchen ware plate machining is avoided, and the production efficiency of kitchen ware is improved.

The invention discloses an air pressure energy storage type wind generating set and a power generation method thereof, and relates to the field of wind power generation. The air pressure energy storage type wind generating set comprises a sleeve stand column, the top of the sleeve stand column is rotationally connected with a base, and the top of the base is sequentially provided with a first mounting frame, a second mounting frame and an upper support; and two sets of resistance type blades are movably mounted in the first mounting frame and the second mounting frame correspondingly, and two sets of transmission gears matched with the racks are arranged outside the transmission shaft. According to the wind driven generator, the resistance type blades which are slidably expanded and contracted and overlapped are arranged, when the resistance type blades are expanded, the contact area between the resistance type blades and wind is larger, then the wind power can better push the resistance type blades to rotate to drive the generator to be started, and when the resistance type blades are contracted and overlapped, the contact area between the resistance type blades and the wind can be reduced; therefore, the reactive force between the resistance type blades and the wind during rotation is reduced, the maximum rotating speed of the generator can be increased by reducing the reactive force, and the generating efficiency of the generator is improved.

The present invention provides a slope anchor hole straightening auxiliary device and a construction quality assurance method, comprising: a base, a slope body arranged on the base, an upper roadbed and a lower roadbed located on the base and respectively placed on both sides of the slope body, a plurality of guide components arranged on the upper roadbed and the lower roadbed, an operating table arranged on one of the guide components, an electric winch installed on the upper roadbed, one end of which is arranged on the electric winch. The slope anchor hole straightening auxiliary device and the construction quality assurance method can provide a stable and accurate operating plane on the slope body through the arranged guide components, positioning components and stabilizing components, so that the anchor drill on the operating table can reduce the influence of vibration on the integrity of the hole when working, and improve the accuracy of the anchor drill after the angle adjustment, thereby ensuring the straightening effect of the anchor hole.

The utility model discloses a clamp for an automatic arm, which relates to the technical field of clamps and comprises an automatic arm main body, a motor is fixedly mounted at the top of a movable end of the automatic arm main body, a shell is fixedly connected to the bottom of the movable end of the automatic arm main body, and a centering clamping component is arranged in the shell and is used for clamping an object in the middle. By arranging a plurality of clamping means, when a common object needs to be clamped, the motor is controlled to work, the gear is driven to rotate, then the two racks are driven to move towards the sides close to each other, meanwhile, the two follow-up rods drive the two clamping plates to move towards the sides close to each other, the object is clamped in the middle, and when a special object needs to be clamped, the two follow-up rods drive the two clamping plates to move towards the sides close to each other. When the clamp is of a glass or cylindrical structure, the vacuum pumping pipe is used for pumping air, so that the suction cup sucks an object, the object is picked up, and therefore the clamp has high adaptability and can be compatible with clamping of various objects.

Provided is a door weather strip for a vehicle that suppresses a door frame of a door for a vehicle from being drawn out to the outside in the vehicle width direction by a pressure difference between the inside and outside of the vehicle when the vehicle is traveling at high speed. The door weather strip (10) has a mounting base (21) that is mounted to the door frame or a door trim, and a sealing lip (22) that abuts against a door opening portion peripheral edge (6) when the door (1) is closed. A protrusion (23) that abuts against the door opening portion peripheral edge (6) when the door (1) is closed is formed on the door opening portion peripheral edge (6) side of a front end portion (22a) of the sealing lip (22). A hard portion (70) that is harder than the material that constitutes the sealing lip (22) is formed so as to extend from a lower area of the protrusion (23) to the root portion (22b) side of the sealing lip (22).

The present invention discloses a conical rubber fender device with a groove structure drainage function, including a dock structure, on which a rubber fender is arranged: the rubber fender is composed of a conical and hollow fender part, a mounting part and a buffer part, the mounting part is located at the bottom of the fender part and is fixedly connected to the dock structure, the buffer part is located at the top of the fender part, and the bottom of the mounting part is provided with a diversion channel that is connected to the inner cavity of the fender part. In the present invention, the fender device enables the water flow in the rubber fender to be discharged quickly through the diversion channel opened on the mounting part, reduces the reaction force on the rubber fender caused by the slow outflow of the water flow in the rubber fender, ensures that the rubber fender is easier to absorb the impact energy when the ship is berthing, and through the provided buffer part, the force generated by the ship on the rubber fender from different angles can be buffered and pressure-released, effectively reducing the shear force on the rubber fender, making it safer, more reliable, and more durable.

The invention discloses a platform extension anti-falling device in the technical field of extension platforms, the platform extension anti-falling device comprises an anti-falling frame and a plurality of slow descending mechanisms, the anti-falling frame is fixedly connected with a connecting plate, and the connecting plate is used for transversely fixing the anti-falling frame to the edge of an extension platform; the multiple slow descending mechanisms are evenly arranged on the edge of the anti-falling frame in a surrounding mode at intervals, the bottoms of the multiple slow descending mechanisms are connected with the same safety net, and the slow descending mechanisms are used for buffering constructors through gradual descending when the constructors fall onto the safety net, so that impact force borne by the constructors is reduced. According to the scheme, the problem that constructors may be hurt by the anti-falling net when falling from the expansion platform of the offshore wind power hoisting platform is solved.

The utility model relates to the technical field of musical instrument auxiliary tools, and particularly discloses a hammer head damping sleeve of a drumstick for a percussion instrument, which comprises a damping sleeve, the damping sleeve is arranged on a hammer head of the drumstick, the damping sleeve comprises an inner layer and an outer layer, the inner layer covers the hammer head, and when the outer layer is not arranged, the outer layer covers the hammer head. No extrusion force exists between the inner layer and the mallet head, and the outer layer wraps the inner layer. The inner layers do not tightly wrap the surface of the mallet head, a certain gap is formed between the inner layers, compared with a traditional damping sleeve which tightly wraps the mallet head layer by layer, the damping sleeve of the inner layer is only subjected to extrusion force of the damping sleeve of the outer layer when the stay wire is tensioned, and a certain gap space is formed between the inner layers. The gap space of the inner layer increases the overall damping capacity of the damping sleeve, and the counter-acting force generated on the hand of a drummer after the drumstick knocks the surface of the percussion instrument is buffered.

The embodiment of the invention relates to the technical field of high-temperature gas cooled reactor equipment, and particularly discloses a large-compression-ratio electric packing pressing device and a pressing method. The telescopic assembly is arranged on the base, the telescopic assembly comprises a telescopic rod, and the telescopic rod can do telescopic motion in the vertical direction; one end of the lever assembly is connected to the end, away from the base, of the telescopic rod, the lever assembly is rotationally connected with the telescopic rod, the lever assembly comprises a pressing plate, the pressing plate is located at the other end of the lever assembly, the pressing plate abuts against the upper side of the packing, and the pressing plate is arranged on the base in the first direction. The pressing plate can move up and down along with the telescopic movement of the telescopic rod, and the first direction is the vertical direction. By means of the mode, the packing in the displacement sealing cavity can be pressed through the pressing plate on the lever assembly, and the pressing efficiency is high.

The utility model discloses a concrete prefabricated part demolding device, belongs to the technical field of concrete prefabricated part production, and aims to solve the technical problems that in the prior art, when an existing demolding machine shakes off a concrete prefabricated part, the concrete prefabricated part can directly fall onto the ground at the lower end of the demolding machine, and the production efficiency is high. At the moment, the precast concrete may be broken due to collision with the ground, and the qualification rate of finished precast concrete products is affected. Comprising a base, a workbench is arranged above the base, a vibration mechanism is arranged at the upper end of the base, a transmission mechanism is arranged above the workbench, a discharging mechanism is arranged at the upper end of the base, and the discharging mechanism comprises bottom plates fixedly connected to the left end and the right end of the front side of the base; the left end and the right end of the rear portion of the upper side of the base are fixedly connected with a rear sleeve frame, the bottom end of the inner side of the rear sleeve frame is fixedly connected with a second spring, and the upper end of the second spring is fixedly connected with a first rectangular plate.

The application discloses a road construction tamping equipment and a tamping process thereof, which comprises a tamper frame, a hydraulic cylinder assembly and a hammer head are arranged in the tamper frame, the hydraulic cylinder assembly and the hammer head are connected through a connecting assembly, a lower hammer body is arranged at the bottom of the tamper frame, a tamper plate is arranged at the lower end of the lower hammer body, a lifting seat is arranged at the top end of the hammer head, a notch is formed in the lifting seat, an assembly base is welded and fixed on the tamper frame, the assembly base is mounted and fixed on a loader, and a dust suppression assembly is fixedly arranged on the tamper frame. The technical key points are as follows: the connecting assembly is additionally arranged between the hydraulic cylinder assembly and the hammer head, the connecting assembly is controlled to release the connection between the hammer head and the hydraulic cylinder assembly when the hammer head falls, the hydraulic cylinder assembly and the hammer head are in a separated state when the hammer head falls to strike the lower hammer body and the tamper plate, the reaction force of the hammer head transmitted to the hydraulic cylinder assembly is reduced without affecting the striking effect of the hammer head, and dust suppression is realized through the dust suppression assembly.

The invention provides a coaxial cable capable of reducing reaction force. A coaxial cable (40A) includes an inner conductor (50A), an insulator (60) surrounding the inner conductor (50A), and an outer conductor (70A) surrounding the insulator (60). The inner conductor (50A) includes a base material (51) made of a first resin material, and a first conductor layer (55A) made of a first conductive material and surrounding the base material (51).

The invention provides a damping device, a workpiece table system and photoetching machine equipment. The damping device comprises an inner frame, a damper, an outer frame, a balance mass block and a bottom frame. A mask table, an objective lens unit and a workpiece table platform are arranged on the inner frame, and the workpiece table platform supports the workpiece table micro-motion part; an inner frame is arranged on the shock absorber; the shock absorber is arranged on the outer frame, the outer frame is further used for arranging the lighting unit, and the outer frame is used for being arranged on a foundation. The bottom frame is arranged on a foundation; a balance mass block is arranged on the bottom frame; and the balance mass block is used for arranging a workpiece table coarse moving part. According to the configuration, the dynamic stability of the photoetching machine vibration damping framework can be improved, the bearing requirement of the vibration damper is reduced, and the design difficulty and cost of the vibration damper are reduced.

The invention discloses a windowed wind driven generator blade, and belongs to the field of wind power generation. A plurality of window frames are arranged on the blades, and each window frame is connected with a window sash through a hinge; one side of the window sash is hinged to the window frame, and the two sides of the other side of the window sash are connected with the window frame through wind supporting rods. The wind supporting rod comprises an upper supporting rod and a lower supporting rod which are hinged to each other, the upper supporting rod is hinged to the window sash, and the lower supporting rod is hinged to the window frame; a wind supporting rod containing groove is formed in the inner wall of the window frame. The blades are installed on the hub of the generator, and the adjacent blades are connected through a connecting rod. The window frame and the window sash are additionally arranged on the wind power generation blade, the counter-acting force generated by wind to the blade can be innovatively removed through the blade, the problem that when wind power is small, an existing wind power generator cannot stably generate power due to the blade is effectively solved through the design, and therefore the working efficiency and adaptability of a wind power generation system are improved; the method has important technical leading value and popularization and application prospects.

This utility model relates to the field of wire and cable technology, and in particular to a torsion- and bending-resistant cable that overcomes the problem of insufficient ability of existing cables to withstand complex deformations such as tension, compression, bending, and torsion. It has a conductor and an insulating sleeve that wraps around the conductor. The conductor has an S-shaped cross-section, and the cable formed by the insulating sleeve wrapping the conductor also has an S-shaped cross-section. The cable is a spiral formed by extruding a straight S-shaped cable and then winding it around the surface of a cylindrical mold. This utility model cable is particularly suitable for robotic arms with complex movements, making the robotic arm's movements more flexible.

The utility model discloses a drag chain installation flexible connecting structure which comprises a drag chain installation frame and a connecting plate, and two buffering systems are arranged between the drag chain installation frame and the connecting plate. The buffering system comprises a supporting column, the drag chain mounting frame is fixedly connected to one end of the supporting column through a first bolt, the other end of the supporting column is sleeved with the connecting plate, and the connecting plate can move in the axial direction of the supporting column; the outer side of the supporting column is sleeved with a spring, and the two ends of the spring abut against the drag chain installation frame and the connecting plate respectively. The moving end of the drag chain is fixed on the connecting plate, so that the moving end of the drag chain and the connecting plate can axially move along the supporting column; in the moving process of the drag chain moving end and the connecting plate, the spring arranged on the supporting column in a sleeving mode can be compressed, under the elastic force effect of the spring, the counter-acting force of the drag chain moving end can be buffered and absorbed, and therefore the impact force of the drag chain moving end on a transmission system can be reduced.

The invention belongs to the technical field of mechanical cutting, and particularly relates to a tool head for cold cutting of a pipeline. The tool head comprises an external framework, an electric driving device, a pneumatic driving device and two cutters which are symmetrically arranged up and down, the external framework is provided with an opening allowing a cut pipeline to penetrate through, and the two cutters are both arranged in the external framework and used for cutting the pipeline. The pneumatic driving device is connected with the cutting knives and drives the two cutting knives to clamp and cut the pipeline; the electric driving device is connected with the two cutting knives and drives the cutting knives to rotate around the pipeline for cutting. The tool head can be used for cutting pipelines in flammable and explosive areas with narrow space, almost no chippings are generated during cutting, no cutting heat affected zone exists, and the tool head is very suitable for in-service or out-of-service field cutting of pipelines with high environmental requirements and long-arm-extension mechanical arms.

The utility model discloses high elastic double density shoe sole relates to the field of sole production, including sole main part, the sole main part, the first bonding groove corresponding with the sole bottom of the sole main part top outer wall is seted up, the inside of sole main part is equipped with the elastic structure for reinforcing the elasticity of sole, the elastic structure includes the first elastic buffer chamber and second elastic buffer chamber of setting up in the inside of sole main part, and the first elastic buffer chamber and second elastic buffer chamber inner wall are equipped with elastic buffer block, the sole main part bottom is equipped with the antiskid structure. This high elastic double density shoe sole has greatly strengthened the elasticity of sole, in the walking or movement process, the reaction force of ground is absorbed and dispersed by the synergistic effect of elastic buffer chamber, elastic buffer block and silica gel, can efficiently buffer ground reaction force, effectively reduces the impact to foot and joint, reduces the risk of sports injury, provides excellent comfortable experience for the user.

The invention discloses a chassis for a motor home, and belongs to the field of automobile engineering, the chassis comprises a frame and two rotating shafts, each rotating shaft is provided with a wheel, each wheel is provided with a tire pressure detection module, and the tire pressure detection modules are in the prior art and are not repeated any more; sliding grooves are symmetrically formed in the frame, buffering pads are fixedly mounted on the top walls of the sliding grooves, mounting frames are slidably mounted in the sliding grooves, and rotating shafts are rotatably mounted on the mounting frames, so that the wheels can move up and down, inserting holes are formed in the side walls of the sliding grooves, and limiting blocks are slidably mounted in the inserting holes. The position of the mounting frame can be limited by enabling the limiting block to extend out of the insertion hole, and the mounting frame is fixed in the sliding groove, so that the wheels work normally; according to the scheme, by arranging the limiting blocks and the hydraulic rods, when one tire is punctured, the height of the other tire can be rapidly lowered, so that the overall height of the frame is reduced, and therefore when a hub with the punctured tire collides with the ground, the counter-acting force borne by the frame can be reduced, and the effect of protecting the frame is achieved.

An aerated brick cutting device relates to the technical field of aerated brick production equipment and comprises a base, a guide rail stand column, a cutting frame and a cutting mechanism. A cutting frame capable of vertically ascending and descending is arranged at the top of the base; a plurality of cutting mechanisms are arranged on the cutting frame in the length direction at intervals. The cutting mechanism comprises a cutting steel wire movably penetrating through the cutting frame, a traction device arranged on one side of the cutting frame and a winding device arranged on the other side of the cutting frame. The pulling device comprises a box body, one end in the box body is in sliding fit with a sliding block capable of pulling the cutting steel wire, and the other end in the box body is provided with an electromagnet capable of attracting the sliding block to move; the cutting steel wire reciprocates under the cooperative cooperation effect of the traction device and the winding device, so that the sawing effect on the aerated brick blank is achieved, on one hand, the cutting efficiency is improved, the flatness of the cutting end face is improved, on the other hand, the counter-acting force on the cutting steel wire is reduced, and the cutting steel wire is prevented from being broken.

An accelerator device (1) is provided with a pedal lever (20) that can operate in response to depression, a drive source (31) that generates a driving force by energization, a power transmission mechanism (40) that transmits the driving force of the drive source (31) to the pedal lever (20) and applies a reaction force, which is a force in the opposite direction to the depression direction of the pedal lever (20), and a control unit (60) that controls the pedal lever (20) and the power transmission mechanism (40). The control unit (60) has a reaction force control unit (65) for controlling the reaction force applied to the pedal lever (20) by controlling the drive source (31), and the reaction force control unit (65) holds the initial reaction force for a reaction force holding time from the start of the application of the reaction force, and controls the reaction force applied to the pedal lever (20) after the reaction force holding time has elapsed. A reaction force reduction control for reducing the reaction force is performed using a time function.

The utility model discloses a damping device for braking, which comprises a fixed shaft, a rotating sleeve, a friction piece and a driving component, and the rotating sleeve is sleeved on the fixed shaft and is rotatably connected with the fixed shaft; the friction piece is arranged between the fixed shaft and the rotary sleeve, can move in the axial direction of the fixed shaft and is used for adjusting the friction force between the rotary sleeve and the fixed sleeve. The driving assembly abuts against the friction piece and is used for driving the friction piece to move in the axial direction. The utility model further discloses a brake pedal provided with the brake damping device. The damping force can be increased along with the increase of displacement in the braking process of the pedal, so that the force fed back by the pedal is increased, and the foot feeling is optimized. And when braking is released, the damping force is greatly reduced along with release of the pedal arm, and the counter force of the pedal in the release process is reduced. And variable damping is achieved, and the experience feeling of a driver is more comfortable. Through the improvement on the structure, the braking force is improved, and the problems of insufficient braking force and overlarge elastic force in the treading process are avoided.

The clothes processing equipment comprises a door cover and a door body with a pick-and-place opening, the door cover is connected to the door body in a rotating mode, a notch and a sealing ring are arranged on the door cover, the sealing ring comprises a limiting face connected to the inner bottom wall of the notch in an abutting mode, an installation face connected to the inner side wall of the notch in an abutting mode and a guide face arranged opposite to the installation face, the thickness of the sealing ring shrinks from the inner ring of the sealing ring to the outer edge so that the guide face can extend from the limiting face to the installation face, and when the door cover closes the taking and placing opening, the door body on the peripheral side of the taking and placing opening extrudes the guide face so that the sealing ring can deform. The force borne by the sealing ring in the direction facing the mounting surface can be reduced through the inclined guide surface, and then the counter-acting force acting on the door cover by the guide surface is reduced, so that more labor is saved when a user pushes the door cover to close the pick-and-place opening, and the user experience is improved. And the inclined guide surface can increase the size of the fit surface of the guide surface and the door body on the peripheral side of the pick-and-place opening through deformation, so that the direct sealing effect of the sealing ring and the door body is better.

This invention relates to the field of composite bow technology, specifically to a rotary composite bow stop block. The stop block is rotatably mounted and cylindrical. Its surface has an annular groove for constraining the bowstring. When the bowstring collides with the stop block, a cutting action also occurs between the bowstring and the stop block. Therefore, the stop block's rotation significantly reduces wear on both the stop block and the bowstring, while also reducing noise. This reduces the reaction force of the stop block on the bowstring, thus promoting stability of the magnetic base and improving shooting accuracy. Furthermore, the constraint of the bowstring by the annular groove further enhances the accuracy of steel ball firing.

The utility model discloses an air suction and exhaust valve plate integrated shutdown pressure relief valve plate assembly which comprises a valve plate, an air suction hole and an exhaust hole are formed in the valve plate in a penetrating mode, an air suction installation groove is formed in the rear side of the valve plate, an air suction valve plate is welded in the air suction installation groove, the air suction valve plate comprises a movable part and a welding part, and the movable part is connected with the welding part. A movable portion of the air suction valve plate corresponds to the position of the air suction hole, an air suction sealing ring used for being matched with the movable portion of the air suction valve plate is arranged in the air suction installation groove, a pressure relief notch structure is arranged on the air suction sealing ring, an exhaust valve plate is arranged on the front side of the valve plate, and a valve tongue portion of the exhaust valve plate corresponds to the position of the exhaust hole. The utility model has the advantages of simple structure, avoidance of shutdown vibration noise and low cost.

The utility model relates to the technical field of rubber hammers, in particular to a rubber hammer, which comprises a hammer sleeve, and is characterized in that a fixing block is sleeved in the hammer sleeve, support pieces are arranged at two ends of the fixing block, buffer components are fixedly connected in the support pieces, and each buffer component comprises a first top block and a second top block. A damper is fixedly connected between the first top block and the second top block, and the damper is sleeved with a spring. The buffering piece is arranged, after hammering, acting force acts on the supporting piece through the hammer sleeve, the supporting piece is stressed, the sliding sleeve slides towards the interior of the fixing sleeve, and therefore the second ejector block of the buffering assembly is extruded, the second ejector block absorbs the acting force, the spring and the damper are extruded, the extruded spring and the damper absorb the acting force, and the buffering effect is achieved. And the effect of acting force on the hammer sleeve is reduced, the burden of the hammer sleeve is reduced, the service life can be prolonged, and high practicability is achieved.

The invention discloses a durian picking tool, and relates to the technical field of durian picking. A hole is formed in the center of the upper curtain, the upper curtain is made of canvas, a hole is formed in the center of the lower curtain, the lower curtain is made of canvas, the surfaces of the two sides of a tightening assembly are fixedly connected with the inner side face of the upper curtain and the inner side face of the lower curtain respectively, the tightening assembly is fixedly connected with the top of a bottom plate, and a discharging assembly is arranged on the side, close to the bottom plate, of the lower curtain. The upper curtain, the lower curtain and the discharging assembly are fixedly connected with the top of the bottom plate, the buffering structures of the upper curtain, the lower curtain and the discharging assembly sequentially buffer durians for three times, kinetic energy converted from gravitational potential energy of the durians is fully consumed, the durians are prevented from directly falling to the ground to be damaged, the counter-acting force borne by the durians can be effectively reduced through sectional buffering, and the durians are further prevented from being damaged.

The utility model discloses a cable core stranding machine, relates to the related field of stranding machines, and aims to solve the problems that the tension of a conductive wire among a pay-off drum, a stranding reel and a take-up reel is too large and cannot be adjusted due to the fact that the driving force for stranding the conductive wire comes from the winding traction force of a formed cable core in the prior art. And the problem that the conductive wire is easy to snap to cause partial waste of materials is solved. A rotating interval is formed in the middle of the interior of the upper frame and comprises a pay-off unit, the pay-off unit comprises a middle roller, outer penetrating grooves are formed in the outer surface of the middle roller at equal intervals, pressure adjusting assemblies are arranged on the inner sides of the interiors of the outer penetrating grooves, and the pressure adjusting assemblies comprise fixed vertical rods. A threaded part is formed at the outer end of the outer portion of the fixed vertical rod, an inner threaded ring is connected to the threaded part in an external threaded mode, an upper bowl-shaped piece is slidably connected to the outer portion of the fixed vertical rod along the inner end of the inner threaded ring, and a lower bowl-shaped piece is slidably connected to the outer portion of the fixed vertical rod along the inner end of the upper bowl-shaped piece.

The present invention relates to the technical field of mechanical feet, and in particular to a bionic prosthetic mechanical foot, comprising a support frame, wherein the top of the support frame is fixedly connected to a limit rod, and the limit rod is internally movably connected to a rotating shaft. Through the cooperation between structures such as a clamping block assembly, a rotating assembly, a second inclined block and a first connecting rod, it is convenient for a user to adjust his or her center of gravity after the sole of the foot is stuck, thereby reducing the risk of the user falling. The two sides of the second inclined block are inclined, so that the second inclined block is convenient to squeeze the first inclined block upward after contacting the ground, and then the rotating cylinder rotates, and the push block squeezes the slider to move under the action of an external force, so that the slider is released from the clamping connection with the support frame, and then the rotating shaft drives the first connecting rod to rotate, so that the leg fixing cylinder drives the upper limbs of the user to move, and then after the sole of the foot is stuck, the center of gravity of the user is adjusted, thereby reducing the risk of the user falling.