90results about How to "To achieve shock absorption" patented technology

The invention discloses a balance wheel structure with a damping structure. A bearing block is welded on a forklift body, two sides of the rear end of a balance wheel support are provided with a first vertical round hole respectively, the middle of the rear end of the balance wheel support is provided with a longitudinal cavity gradually narrowing from the front to the rear, and two sides of the longitudinal cavity are provided with two round holes running through. A balance wheel support seat is provided with a third transverse round hole and a fourth longitudinal round hole, a rotary shaft of a balance wheel transversely and sequentially penetrates the second round holes and the third round hole to connect the balance wheel support seat with the balance wheel support in a hinged manner. The middle of a balance wheel axle is provided with a fifth round hole; a balance wheel swing shaft longitudinally and sequentially penetrates the fourth round hole and the fifth round hole, so that the balance wheel swing shaft is hinged to the balance wheel axle; two balance wheels are arranged at two ends of the balance wheel axle respectively; a left spring adjusting shaft and a right spring adjusting shaft penetrate the first round holes; springs are arranged on the part of the spring adjusting shafts above the first round holes, and the lower ends of the springs are provided with sixth round holes, and a balance wheel spring push rod transversely penetrates the sixth round holes. The balance wheel structure is good in damping effect.

The invention provides an anti-seismic and anti-collapse power switch cabinet, which comprises a base, a supporting plate, a power cabinet, a heat conduction box and anti-seismic plates, wherein the central position of the base is hollow, ejector rods are fixedly connected to the centers of the peripheral wall faces of the hollow position of the base, the ends, away from the wall face, of the ejector rods are fixedly connected with first piston plates, a supporting block is movably connected between the ejector rods, the tops of the supporting blocks are fixedly connected with the supporting plate, the power cabinet is fixedly connected to the top center of the supporting plate, a baffle is hinged to the upper end of one side, away from the power cabinet, of the heat conduction box, telescopic assemblies are fixedly connected in front of and behind the lower end of the side, away from the power cabinet, of the heat conduction box, And one end, away from the heat conduction box, of thetelescopic assembly is movably connected with the lower end of the bottom of the baffle. In the prior art, the existing power switch cabinet generally does not have anti-seismic and anti-collapse effects, and is easy to damage when being extruded by heavy objects or encountering natural disasters, so that electrical elements in the power switch cabinet are damaged and cannot work normally. According to the invention, the anti-seismic and anti-collapse power switch cabinet is provided and solves the problem in the prior art.

The invention relates to an autonomous navigation and obstacle avoidance unmanned aerial vehicle of laser radar and depth camera fusion. The unmanned aerial vehicle comprises a unmanned aerial vehiclebody, a rotor wing, a depth camera, a control system, a laser radar and a monocular camera. The depth camera, the monocular camera and the laser radar are connected to the control system. The controlsystem analyzes according to data recorded by the three, generates an obstacle avoidance route and makes the unmanned aerial vehicle complete avoidance of an obstacle. Compared with the prior art, the unmanned aerial vehicle of the invention has advantages of accurate positioning, autonomous navigation and obstacle avoidance, simple operation, a high safety factor and the like.

The invention relates to the technical field of intelligent unmanned aerial vehicles, and discloses an intelligent unmanned aerial vehicle for agricultural production. The unmanned aerial vehicle includes an unmanned aerial vehicle body. Vehicle arms are fixedly connected to four side surfaces of the unmanned aerial vehicle body; fixed boxes are fixedly connected to the ends, away from the unmanned aerial vehicle body, of the vehicle arms; first motors are fixedly connected into the fixed boxes; output shafts of the first motors are fixedly connected with rotating shafts through couplings; andfirst bearings are arranged at the top of the fixed boxes in an inlaid mode. According to the intelligent unmanned aerial vehicle, a cam is driven to rotate together through the rotation of a secondmotor, meanwhile, under the elastic action of a return spring, the rotation of the cam drives a roller to move left and right, the left and right movement of the roller drives an extrusion plate to move left and right together, under the action of a first one-way valve and a second one-way valve, pesticide or fertilizer in a liquid storage tank is driven to enter a medicine discharging tank by left-right reciprocating movement of the extrusion plate, and then the pesticide or fertilizer is sprayed downward through a nozzle to achieve the function of spraying the pesticide or fertilizer.

A protective cover for a portable electronic device includes a main body and a plurality of cushioning structures. The main body is configured to receive the portable electronic device. Each cushioning structure includes an elastic body protruding from the main body and a clearance defined between the main body and the elastic body. The elastic body is deformed toward the clearance when the elastic body is impacted.

The invention discloses a control device capable of preventing elevator deceleration. The control device comprises an elevator shaft; a car is movably connected to the surface of the inner wall of theelevator shaft; a steel strand is fixedly connected to the top of the car; a top plate is fixedly connected to the surface of the inner wall of the elevator shaft and positioned at the top of the car; the left side of the top of the top plate is connected with a control box through a bolt; the top of the top plate is rotationally connected with a first transmission wheel; a motor is fixedly mounted on the back surface of the first transmission wheel; a second transmission wheel is rotationally connected to the top of the top plate and positioned on the right side of the first transmission wheel; and the steel strand is movably connected to the surfaces of the first transmission wheel and the second transmission wheel. Through cooperation of an electric extension rod, a limiting block, a photoelectric speed sensor, a chute, a spring, a linear speed sensor, a damping plate and a damping spring, the problem of incapability of guaranteeing the life safety of users under emergencies due toa certain potential safety hazards in a traditional elevator is solved.

The invention provides a new energy battery cover plate assembly. The new energy battery cover plate assembly comprises a cover plate and a battery box, and L-shaped supporting plates are fixedly connected to the upper ends of the left and right sides of the battery box; and the top of each L-shaped supporting plate is fixedly connected with a stop block assembly. Second grooves are formed in thefront and back of the upper ends of the left and right sides in the battery box; a rotating shaft is rotationally connected between the front and rear sides of the upper end of one side close to the centers of the battery boxes in the second grooves; a gear is fixedly connected to the center of the rotating shaft; the positive pole and the negative pole are sleeved and fixed with a pole base at the upper end of the cover plate; the upper ends, located in the first hollow groove, of the positive pole and the negative pole are sleeved and fixed with insulating sleeves; and first grooves are formed in the front and back of the lower ends of the left and right sides of the sealing block. The bottoms of the first groovesarein a notch shape, second racksarefixedly connected into the first grooves, and limiting holes are formed in the positions, located between the sealing blocks and the side plates, of the front end and the rear end of the bottom of the cover plate. The new energy battery cover plate assembly provided by the invention can solve the problems that an existing new energy battery cover plate assembly is trouble in dismounting and mounting and cannot meet the requirements ofnew energy batteries.

The invention provides a cold-chain logistics transport vehicle which comprises a carriage main body, two rows of storage racks are arranged in the carriage main body, a plurality of hooks are arranged at the edge positions of the bottom ends of the storage racks at equal intervals, a partition plate is connected with the bottom of the inner side of the carriage main body, and a mounting frame isconnected with the bottom end of the partition plate; a plurality of through holes are formed in the two sides of the top end of the partition plate. Through an annular sliding rail, a connecting ring, a through hole, the partition plate, a bevel gear, a rotating base, an annular sliding block, a first rolling bearing, a worm, a rotating rod, a mounting frame and a first motor, the rotating base can rotate at the top end of the partition plate, so that the storage racks connected with the top end of the rotating base rotate by different angles; therefore, a user can place or take out refrigerated products from the different hooks on the storage racks conveniently, and the purpose that the user can store and take out the refrigerated products in the carriage main body conveniently is achieved.

The invention discloses a full-automatic sofa maintenance robot. The full-automatic sofa maintenance robot is composed of an upper body part, a connecting part, a walking part, a maintenance part, anupper dust collection part, cleaning parts, a lower dust collection part and the like; the upper body part comprises an upper lifting frame, a circular ring guide rail and the like; the connecting part comprises a connecting plate, a buffer spring and the like; the walking part comprises a rotating disc, an electric cylinder group base, a walking base and the like; the lower dust collection part comprises an upper rotating block, a lower rotating block, a dust collection shell, a dust collection fan and the like. During use, the walking part controls the robot to walk near a sofa, the lower dust collection part and the cleaning part installed on the connection part are used for cleaning the side face of the lower portion of the sofa, the upper dust collection part is used for collecting dust on the sofa, the cleaning part of the upper body part is used for cleaning the sofa, then the maintenance part is used for adding a maintenance agent to leather of the sofa, and the maintenance process is completed.

The invention discloses an energy absorption supporting leg of a child vehicle seat. A telescopic cylinder is arranged on a supporting leg body, or the telescopic cylinder is directly used as the supporting leg. When vehicle collision happens suddenly or other emergencies happen, large impact on the child vehicle seat is exerted on the telescopic cylinder, so that a telescopic rod of the telescopic cylinder contracts relative to a cylinder body and moves, accordingly, child vehicle seat buffering force is provided, energy generated due to collision is absorbed, the trend that the child vehicle seat rushes forwards is buffered, the damping effect on the child vehicle seat is achieved, and damage to a child who sits on the child vehicle seat is lowered or avoided.

The invention proposes a shockproof pipeline sealing device and an application method. The shockproof pipeline sealing device is characterized by comprising a sealing bag and a filling object, whereina filling object placement nozzle is arranged on the sealing bag, the sealing bag is divided into an inner layer, an outer layer and an intermediate layer, the intermediate layer is a stainless steelnet which has functions of rat prevention and fire prevention, the inner layer and the outer layer are PE layersor PA layers or PVC layers or MPP layers or a combination of more than two (comprisingtwo) of the four layers, and the filling object is silica gel formed by mixing two raw materials of A and B and water and having elasticity or a crystalline body formed by mixing cryolite powder and water and having elasticity and the fireproof function. By the shockproof pipeline sealing device, the effects of rat prevention and fire prevention can be achieved; and moreover, the shockproof effectcan be achieved when the shockproof pipeline sealing device is applied onto a bridge rope, so that the sealing performance of a pipeline mouth is guaranteed, and the technical problem that a rat breaks the sealing bag by teeth and enters a pipeline to damage the pipeline and a cable is solved.

The invention discloses a vacuum pump with vibration damping and noise reduction functions. The vacuum pump comprises a frame; a rubber layer is disposed at the bottom of the frame; a tempered layer is arranged at the bottom of the rubber layer; springs are fixedly connected to the bottom of an inner cavity of the frame; a base is fixedly connected to the tops of the springs; the bottom of the base extends out of the frame; rolling grooves are formed in the tops of the two sides of the inner cavity of the frame correspondingly; rolling balls are put in inner chambers of the rolling grooves; the ends, far away from the inner chambers of the rolling grooves, of the rolling balls extend to the inner cavity of the frame; a pump body is disposed in the base; the top of the pump body extends out of the base; and an air inlet pipe communicates with the left side of the bottom of the pump body. A noise reduction chamber, a first partition board, a second partition board, a first noise transmission pipe, a second noise transmission pipe and a third noise transmission pipe are adopted for cooperation, and noise enters an inner space of the noise reduction chamber to be transmitted and is weakened constantly in the transmission process till reaching the normal state.

The invention provides an automatic lifting type inspection well lid with damping function. The automatic lifting type inspection well lid with the damping function comprises a well lid body, whereinthe well lid body comprises an upper part and a lower part; a well lib supporting seat is arranged in the periphery of the upper part of the well lid; the lower part of the well lid is arranged at thelower end of the upper part of the well lid; well lid center water draining holes are formed in the centers of the upper part and the lower part of the well lid; a strong spring is arranged in the lower part of the well lid; a rainwater collector is correspondingly arranged at the lower part of the well lid; a water permeating hole is formed in the center of the lower part of the rainwater collector. The inspection well lid is simple in structure, good in damping effect, and capable of automatically adjusting the height; the strong spring is arranged; the well lid is on the same horizontal plane with the ground under normal condition, and in such state, the strong spring is in a compressing state and supplies elasticity to the well lid supporting seat, so that the well lid cannot be sunken while a vehicle crosses.

The invention provides a running shoe sole and application thereof. The running shoe sole comprises an insole and an outsole. A supporting sheet is arranged between the insole and the outsole and located on the waistline of a sole body, extends to the half sole toes and is used for supporting the middle of the foot. Based on the ground, the maximum height of the half sole of the running shoe soleis larger than that of the heel, and the heel of the running shoe sole is used for running transition. The maximum height of the half sole of the sole is larger than that of the heel, that is, the shoe sole is of a spoon-shaped appearance structure with the front portion higher than the rear portion. The sole is a functional sole according with the physical ergonomics of landing running of the half sole, the function of shock absorption is achieved the shock buffering capacity of the human body when the half sole touches the ground, and meanwhile the training function of running muscles is exercised. The heel of the sole mainly is only used for running transition rather than achieving a shock absorption function, a runner naturally transitions to a half sole running posture running method,and the professionality of front sole running posture training is improved.

The invention discloses an aerial cable shock absorber with insulation performance. The aerial cable shock absorber comprises a base, wherein the base is fixedly connected with an electric pole for connecting cables; the base is connected with a shock absorber through a connecting rod; the shock absorber comprises a fixed plate, first springs connected onto the fixed plate and plastic rings connected onto the first springs; one side of the fixed plate is connected with a supporting plate parallel to the fixed plate; the supporting plate is connected with the connecting rod; one end of the connecting rod is articulated with the base, and the other end of the connecting rod is articulated with the supporting plate; two sides of the fixed plate are connected with the first springs respectively; each of the first springs is provided with the corresponding plastic ring respectively; the first springs positioned on the same side of the fixed plate are connected with the cables through the corresponding plastic rings; and the plastic rings are connected onto the cables in a sleeving manner. The two cables are connected together through the fixed plate and the first springs, the two cablesplay a role of interaction under the effect of the first springs, and simultaneously, the effect of shock absorption is achieved.

The invention relates to the technical field of an artificial intelligence robot, in particular to a walking mechanism for the artificial intelligence robot. The walking mechanism comprises a bearingplate, wherein a dynamic moving component is mounted on one side of the lower surface of the bearing plate; anti-toppling moving component is mounted on the other side of the lower surface of the bearing plate, a control box is mounted on the side, close to the anti-toppling moving component, of the upper surface of the bearing plate, a steering motor is mounted on the side, close to the dynamic moving component, of the upper surface of the bearing plate, wheel bodies are arranged at the lower end of the dynamic moving component, caterpillar tracks are mounted on the outer surfaces of the wheel bodies, connecting plates are mounted in front of the wheel bodies, a transmission rod is rotationally mounted on the front surfaces of the wheel bodies, and a motor rack is rotationally mounted onthe outer surface of the transmission rod. The walking mechanism for the artificial intelligence robot can automatically adapt to the inclination angle of the pavement, is prevented from toppling over, is one independent control mechanism, can be adaptive to various adverse road conditions and solves the problem of slipping of the wheel bodies.

The invention relates to a low-yield-point steel energy consumption and adhesion energy consumption damper which comprises an upper connection plate and a lower connection plate which are oppositely arranged, a plurality of transverse energy consumption plates fixedly arranged between the upper connection plate and the lower connection plate, vertical surrounding and protecting plates which are fixedly arranged on the lower connection plate, are arranged on two sides of the transverse energy consumption plates in a blocking manner and form cavities with every two adjacent transverse energy consumption plates, cover plates covering the cavities, viscous fluid filling the cavities, and adhesion energy consumption steel plates fixedly arranged on the upper connection plate, wherein the bottoms of the adhesion energy consumption steel plates are arranged on the cover plates in a penetrating manner and are arranged in the corresponding cavities. The damper disclosed by the invention has two energy consumption modes, i.e. low-yield-point steel energy consumption and adhesion energy consumption; under the action of minor shock, an energy consumption plate is yielded, and the minor-shock yielding of the energy consumption plate is compensated by taking adhesion energy consumption measures; and the problem of reduction of the energy consumption property under moderate shock and large shock due to early development of a metal damper under the minor shock is solved.

The invention discloses a bicycle oscillating bar type suspension fork assembly. The bicycle oscillating bar type suspension fork assembly comprises a fork vertical tube and a fork leg, the top end of one short end of a Y-shaped swing rod is hinged to the lower end of the fork leg, a locking nut hinged to the front wheel hub shaft end is arranged at the top end of the other short end of the Y-shaped swing rod, the long end of the Y-shaped swing rod is hinged to a shock absorber, and a fixing base is arranged at the upper end of the fork leg and hinged to the other end of the shock absorber. The swing rod and the shock absorber are installed on the two sides of the front wheel hub shaft end in a single-side or dual-side symmetry mode. By means of the bicycle oscillating bar type suspension fork assembly, buffering and damping are effectively achieved through compression shock absorbing of a simple swing rod structure, cost is low, weight is small, and the bicycle oscillating bar type suspension fork assembly is suitable for riding on road surfaces of cities and countries.

The invention discloses a supporting leg of a child automobile seat. The supporting leg comprises a supporting leg body extending in the vertical direction, the supporting leg body can stretch and contract to change the length, and an energy absorbing device which can deform when compressed by stress is located on the supporting leg body in the length extending direction of the supporting leg body. The supporting leg is installed on the front portion of the child automobile seat to be used for supporting the automobile seat. When an automobile is collided or other emergency situations occur, huge impact borne by the child automobile seat can act on the energy absorbing device, the energy absorbing device deforms after compressed by stress so as to absorb energy generated by collision, therefore, the damping effect on the child automobile seat is achieved and harm to a child sitting up on the child automobile seat is reduced or avoided.

The invention relates to the technical field of buffers, and discloses a novel damper based on a principle of repelling of like poles of electromagnets. The damper main body comprises a buffering spring, a lower damping device and an upper damping device; a first electromagnet is movably mounted on the top of the lower damping device; a second electromagnet is movably mounted at the bottom of the upper damping device; and a base is arranged at a joint of the bottom of the lower damping device and the buffering spring. According to the novel damper based on the principle of repelling of the like poles of the electromagnets disclosed by the invention, the first electromagnet and the second electromagnet are arranged on the lower damping device and the upper damping device, the like poles of the first electromagnet and the second electromagnet repel each other, and the lower damping device is connected with the upper damping device through a piston rod; and when a car bumps, the lower damping device and the upper damping device are moved up and down through the piston rod; and because the like poles of the electromagnets repel each other, the lower damping device and the upper damping device cannot be closed, so that the soft and strong damping effect can be achieved.

The invention discloses a washing machine damping device for smart home. The device comprises a rotation cylinder, a damping table, an outer cylinder, a lower supporting table and a motor, the rotation cylinder is arranged in the middle of the inner side of the outer cylinder, and an upper supporting table is arranged at the edge of the bottom of the rotation cylinder; the lower supporting table is arranged at the bottom of the inner side of the outer cylinder and fixedly connected with the bottom of the inner side of the outer cylinder, multiple second balls are arranged between the lower supporting table and the upper supporting table, and the damping table is arranged on the outer wall above the rotation cylinder; press rings are arranged at the left and right sides of the damping table, ball sleeves are arranged between the press rings and the damping table, multiple first balls are arranged in the ball sleeves, and multiple positioning rods are arranged at the outer sides of the press rings and inserted in an outer device shell; damping springs sleeve the positioning rods. The washing machine damping device for smart home is simple and reasonable in structural design, convenient and quick to use and operate and high in practicability and is directly installed in a washing machine, the interior of the washing machine is transformed, the damping function is achieved, and thedamping device does not need to be additionally arranged.

The invention discloses a sewage pump in the field of sewage pumps, which comprises a pump body, the outer wall of the pump body is fixedly connected with a sewage outlet, the outer surface of the lower end of the pump body is fixedly connected with a chassis, the outer surface of one end of the sewage outlet is fixedly connected with a filtering fixing mechanism, and the outer surface of one end of the chassis is fixedly connected with a damping mechanism. The filtering fixing mechanism comprises a pipeline connecting ring, a first arc-shaped ring, a second arc-shaped ring, a connecting opening, a first filter screen, a second filter screen, a first spring and a fixing assembly, wherein the first arc-shaped ring and the second arc-shaped ring are located on the outer wall of the pipeline connecting ring, and the connecting opening is located in the middle of the pipeline connecting ring; the first filter screen and the second filter screen are located on the inner wall of the connecting opening. The pipeline is stably connected with the sewage outlet, installation and fixation are not limited, and impurities in sewage can be filtered, so that the pipeline is prevented from being blocked, and the drainage efficiency is improved; according to the arrangement, the damping performance is good, large noise cannot be generated, and shaking is not prone to occurring.

The invention discloses a mobile base for an automatic welding robot. The mobile base comprises a fixed box, a mobile wheel and a servo motor. A base plate is arranged at the lower end of the fixed box, the lower end of the base plate is connected to the mobile wheel, the servo motor is mounted on the front side of the fixed box, a driving bevel gear is mounted in the middle of a threaded rod, a first clamping block is mounted on the threaded rod, a left adjusting screw is arranged on the left side of the threaded rod, movable rods are fixed to the left and right sides of the lower end of thefixed box, the lower end of the movable rod is connected to a buffer spring, a connecting rod is mounted at the lower end of the fixed box, and a shock absorbing spring is connected to the outer sideof the mobile block. The mobile base for the automatic welding robot can clamp and fix the welding robot stably while assisting a micro welding robot to move, so that a condition that the micro welding robot is toppled is avoided. During use, the mobile base can play a shock absorbing role to prevent a phenomenon that the welding robot jolts and vibrates during movement.

The invention relates to the technical field of worm production, and discloses a full-automatic numerical control machine tool for worm production. A machine tool body is included. According to the full-automatic numerical control machine tool for worm production, stand bars below a fixing base are used for supporting the whole machine tool, when the machine tool works and vibration is generated,the stand bars move up and down in second movable grooves in a supporting base, and the purpose of damping is achieved through mutual cooperation of resilience force of longitudinal springs on the tops of the stand bars and buffering action of rubber pads at the bottoms of the stand bars. Meanwhile, the fixing base can drive fixing blocks in grooves to move up and down, so that rotation rods and supporting rods descend, sliding blocks on the supporting rods are limited by a transverse rod and cannot descend, the supporting rods are subjected to counter acting force to rotate around the rotation rods, the two sliding blocks extrude a transverse spring, the vibration force in the vertical direction is converted into the pressure in the horizontal direction in the process and offset through the transverse spring, the function of further damping is achieved, and the purpose of a good damping effect is achieved.

The invention discloses a nonferrous metal cambered surface polishing machine which comprises a rack, a workbench, a baffle, a polishing disc and a cross beam. The workbench, the baffle and the crossbeam are all located at the upper end of the rack. The workbench is located in the baffle. The baffle is located on the inner side of the cross beam. The polishing disc is located at the lower end ofthe cross beam. A mechanical arm is arranged at one end of the rack. A control module is arranged in the mechanical arm. A fixed block is arranged at one end of the mechanical arm. An electromagneticcoil is arranged in the fixed block. A controller is arranged at the other end of the rack. Spray heads are arranged on the two sides of the polishing disc and are fixedly connected with the cross beam. A base is arranged at the lower end of the rack. According to the nonferrous metal cambered surface polishing machine, through the arrangement of the mechanical arm, after the electromagnetic coilis manually powered on through the controller, nonferrous metal is adsorbed to the fixed block through magnetic force generated by the electromagnetic coil, the control module is controlled through the controller to operate the mechanical arm, and the function of mechanical operation is achieved.

The invention discloses a thermoplastic composite laminated body. The thermoplastic composite laminated body structurally comprises a movable frame, a through hole frame, a mechanical frame, an intelligent activity control composite device, a movable plate, a device shell, a sliding groove frame and a clamping hook frame, wherein the device shell is located on the upper side surface of the intelligent activity control composite device, the device shell and the intelligent activity control composite device form an integrated structure in a welding mode, the movable plate is arranged on the upper side surface of the device shell and is in an integrated structure with the device shell, the sliding groove frame is erected on the upper side surface of the device shell and is fixedly connected with the upper side surface of the device shell to form an integrated structure, the clamping hook frame is arranged on the inner side surface of the sliding groove frame and are connected together ina matched mode, the mechanical frame is erected on the front surface of the intelligent activity control composite device, the mechanical frame and the intelligent activity control composite device forms an integrated structure in a welding mode. According to the thermoplastic composite laminated body, the composite layer body can have certain damping and matching capability after being manufactured into a finished product, and meanwhile, the interval distance between the layer and the layer can be adjusted, so that the purpose of enabling the composite layer body to be more complete is achieved.

The invention discloses a multifunctional motor mounting rack. The multifunctional motor mounting rack comprises a supporting seat, a pair of sliding plates, a connecting plate, a second damping device and three groups of moving racks, wherein the supporting seat comprises a supporting plate, supporting legs are arranged on the lower surface of the supporting plate, the section, close to the ground, of each supporting leg is of a cavity structure, a sliding groove is formed in each cavity, and a first damping device is slidably connected to each sliding groove; grooves are formed in the surfaces, close to each other, of the pair of sliding plates; the connecting plate is formed between the pair of grooves in a sliding mode, a side plate is fixedly installed on one side of the connecting plate, and a back plate is fixedly connected between the connecting plate and the side plate; the second damping device is formed between the connecting plate and the supporting plate; and the three groups of moving racks comprise a first moving rack, a second moving rack and a third moving rack. The three groups of moving racks provide X-axis, Y-axis and Z-axis power output for movement of a motor,the problem that a large amount of manpower needs to be consumed due to the fact that the motor needs to be moved to different stations frequently during production or maintenance of the motor is solved, and the labor intensity of workers is relieved.

The invention discloses a suspension damping chassis structure of agricultural machinery equipment applying an electric control support. The structure comprises an agricultural machine frame, a motor,a support and a guide rail, a first positioning pipe and a second positioning pipe are fixedly installed at the top and the bottom, close to the front edge, of the agricultural machine frame correspondingly, and the motor is fixedly installed on the first positioning pipe and the second positioning pipe. A crawler belt assembly is arranged between an output shaft of the motor and the outer wall of a sliding sleeve in a sleeving manner, the support is fixedly installed at the top of the front edge of the agricultural machine frame, a gear shaft and a wire wheel are installed at the bottom andthe top of the support through rotating shafts correspondingly, and a guide frame is fixed to the position, located at the side of the second positioning pipe, of the bottom of the agricultural machine frame. According to the suspension damping chassis structure of the agricultural machinery equipment applying the electric control support, adjustment and change of the positioning height and the setting position of tool accessories on a chassis of the agricultural machinery equipment are facilitated, protection, adjustment and use of the tool accessories are facilitated, meanwhile, the good usedamping effect is achieved, and use adjustment and control are convenient and fast.

The invention discloses a convenient-to-move sand mixer for casting. The convenient-to-move sand mixer comprises a base body, wherein a first cavity is formed in the base body; the middle part of theinner top wall of the first cavity is fixedly connected with an electric pushing rod; an output end of the electric pushing rod is fixedly connected with a supporting plate; a notch is formed in the inner bottom wall of the first cavity; two symmetric second cavities are formed in the base body; the two second cavities are respectively located at the left side and the right side of the first cavity. The convenient-to-move sand mixer for casting, disclosed by the invention, is capable of achieving an effect of enabling fixed blocks to move up and down, has a shock absorption function, is capable of preventing a situation that the inner part of a sand mixer body is damaged due to jolt while the sand mixer body moves from happening, has the advantage of convenience in movement, is capable ofachieving an effect of enabling the supporting plate to move up and down, has a function of enabling the supporting plate to support the base body, has the advantage of fixing the position of the sandmixer body and is capable of preventing the situation that the sand mixer body moves during working from happening, so that the working efficiency is increased.