128results about How to "Improve the shock absorption effect" patented technology

The invention relates to a novel swing self-reset bridge pier with an energy dissipation device and an application thereof, belonging to the technical field of anti-seismic and seismic mitigation andisolation of bridges. The novel swing self-reset bridge pier with the energy dissipation device comprises a cap beam (1), a pier body (2), a bearing cap (3), pile foundations (4), prestressed steel bars (6) and shear anchor bolts (7). The bearing cap (3) is anchored to the ground through the pile foundations (4), and the cap beam (1) is anchored to the bearing cap (3) through the pier body (2), the prestressed steel bars (6) and the shear anchor bolts (7). The novel swing self-reset bridge pier with the energy dissipation device further comprises a tension-compression combined energy dissipation device (5) and the tension-compression combined energy dissipation device (5) is installed and fixed at the junction of the bottom of the pier body (2) and the top surface of the bearing cap (3). The swing self-reset bridge pier has the obvious advantages of no damage after earthquake, small residual deformation and recoverable structure.

A damping combined type building seismic isolation rubber support comprises an outer connection steel plate and a support core body. The support core body comprises a sealing plate, a stiffening steel plate, a high-damping rubber layer and a rubber protective layer which are formed into a whole through heat vulcanization, the high-damping rubber layer is made of ultrahigh-damping rubber, n bar holes are formed in the support core body in the axis direction, high-damping metal bars are arranged in the bar holes, and the high-damping metal bars and the support core body are fused into a whole. The manufacturing method of the seismic isolation rubber support is simple in process. The manufactured high-damping rubber layer has excellent antifatigue performance, deflection resistance and weather ability, and the damping ratio reaches 20 percent. The seismic isolation rubber support combines performance advantages of a high-damping rubber support and a lead core seismic isolation rubber support, remarkable yield force and the equivalent damping ratio are increased greatly, the seismic isolation rubber support is more comprehensive and excellent in horizontal properties, antifatigue performance, deflection resistance and weather ability, seismic mitigation and isolation bearing analysis and using effect of building structures are achieved easily, and the application field is widened. The damping combined type building seismic isolation rubber support is long in service life and stable and safe.

The invention belongs to the technical field of bridge expansion joints, and particularly relates to a modular bridge expansion joint with horizontal swing supporting cross beams. The bridge expansionjoint can move in six degrees of freedom. The modular bridge expansion joint comprises a pair of side beams and at least one middle beam arranged between the side beams, water stopping belts are arranged between the side beams and the middle beams and between the adjacent middle beams, a displacement control box is arranged on the lower portions of the side beams, the displacement control box isused for placing the ends of the supporting cross beams, an inclined angle is formed between the supporting cross beams and the axis of the expansion joint, the end parts of the supporting cross beamsare limited in the displacement control box through first horizontal swinging mechanisms, lifting hooks capable of stretching and sliding on the supporting cross beams are arranged at the lower partsof the middle beams, and second horizontal swinging mechanisms for limiting the beam bodies of the cross beams are arranged in the lifting hooks. The novel modular bridge expansion joint has the characteristics that the structure is simple and stable, the novel modular bridge expansion joint is suitable for large displacement movement, transverse stretching, vertical lifting, horizontal swingingand six-degree-of-freedom motion change are realized through the horizontal swing supporting cross beams, and the modular bridge expansion joint is convenient to install and maintain.

The invention discloses a six-wheeled AGV suspension chassis, and relates to the field of AGV robot equipment. The chassis comprises a bottom plate, a driving wheel, a guiding wheel, a main suspension, auxiliary suspensions, a top plate, and standing columns. The driving wheel and the guiding wheel are fixed on the bottom plate. The main suspension provides shock absorption for the driving wheel,and is fixed on the bottom plate. The guiding wheel comprises a first guiding wheel and a second guiding wheel. The first guiding wheel is fixed with the auxiliary suspension. The auxiliary suspensionis fixed with the bottom plate. The auxiliary suspensions hold the top plate and avoid shock for the first guiding wheel. The second guiding wheel is directly fixed with the bottom plate, and suspension is not needed. The standing column supports and is connected with the bottom plate and the top plate. The six-wheeled AGV suspension chassis is mainly used for various places which have complicated terrain, and is advantaged by good suspension effect and good grip.

The invention discloses a multi-dimensional vibration isolation and damping device with multi-directional anti-drawing and pre-tightening functions and a vibration isolation and damping method thereof. The multi-dimensional vibration isolation and damping device comprises an upper pressure-bearing steel plate, a lower pressure-bearing steel plate and other parts such as pre-pressing type cylindrical dampers, steel hinge ropes and a core damping pad, wherein the parts such as the pre-pressing type cylindrical dampers, the steel hinge ropes and the core damping pad are disposed between the upperpressure-bearing steel plate and the lower pressure-bearing steel plate. According to the multi-dimensional vibration isolation and damping device, the pre-pressing type cylindrical dampers connectedwith the pressure-bearing plates through the steel hinge ropes and distributed on the periphery of the vibration isolation and damping device can attenuate the vibration and effect in the vertical, horizontal and torsional directions; and the core damping pad disposed at the center of the vibration isolation and damping device can isolate and attenuate the vibration effect in the horizontal direction, and therefore the vibration effects are simultaneously isolated and attenuated in multiple directions.

The invention relates to the damper technical field, in particular to a damper applicable for alpenstocks, crabsticks, crutches, etc, which comprises an antishock pole, an antishock tube and an antishock spring; one end of the antishock pole is molded into an adaptor for connecting a corresponding pole body; a mandrel is conducted out from the other end of the antishock pole; an extended end of the mandrel is provided with outside threads; a shaft shoulder is arranged between the mandrel and the adaptor; an inner middle section of an inner middle hole of the antishock tube is provided with steps; the mandrel and the shaft shoulder of the antishock pole are sleeved in the inner middle hole of the antishock pole; a nut is in screwed connection with the outside threads of the extended end of the mandrel and in clip connected with the steps; the antishock spring is movably sleeved on the mandrel, embedded in the inner middle hole of the antishock tube and positioned between the shaft shoulder of the antishock pole and the steps of the antishock tube to form the propping antishock pole and the antishock tube. The damper has a simple structure, convenient processing, good intensity, easy assembly and disassembly and convenient maintenance and keeping.

The invention relates to a rear vibration isolator. The rear shock absorber is provided with an outer cylinder welding piece, a piston and a piston rod connected with the piston are arranged in the cavity of the outer cylinder welding piece, a buffer block with elasticity is arranged in the cavity of the outer cylinder welding piece, and the buffer block is positioned between the piston and the bottom of the outer cylinder welding piece. The center of the buffer block is provided with a U-shaped groove, and the buffer block is olivary. The end diameter of one end of the buffer block contactedwith the piston is smaller than the end diameter of the other end of the buffer block contacted with the bottom of the outer cylinder welding piece. The buffer block is arranged between the piston and the outer cylinder welding piece, the piston impacts the buffer block when the rear vibration isolator absorbs shock, and the buffer block rubs the outer wall of the outer cylinder welding piece to reduce the shock absorption effect and prolong the service life of the piston, so the integral shock absorption effect of the rear vibration isolator is improved and the service life of the rear shockabsorber is prolonged.

The invention discloses a combined car frame of a car. The combined car frame of the car comprises a car frame body front section, a car frame body middle section and a car frame body rear section, wherein the car frame body middle section is lower than the car frame body front section and the car frame body rear section. The car frame body front section comprises at least two car frame body frontsection longitudinal beams and at least two car frame body front section cross beams. The car frame body middle section comprises at least two car frame body middle section longitudinal beams and atleast two car frame body middle section cross beams. The car frame body rear section comprises at least two car frame body rear section longitudinal beams and at least one car frame body rear sectioncross beam. The car frame body front section, the car frame body middle section and the car frame body rear section are made of alloys. By transforming the structural design of the car frame and modifying material section of the car frame, the combined car frame has the advantages of simple structure, low mass, good car stability, good vibration reduction and absorption effects and high bearing capacity; and meanwhile the production cost is reduced, energy is saved, pollution is relieved, and broad development and application prospects are achieved.

The invention discloses a battery shock absorber of a new energy automobile. The battery shock absorber of the new energy automobile comprises an outer shell and an inner shell; the outer surfaces allaround the outer shell are evenly opened with outer through holes; clamping slots are opened at the middle positions of both sides of the outer shell; a nut is arranged in the clamping slot, and a screw cap is arranged at a position of the nut near the clamping slot; plurality sets of first springs and second springs are arranged between the inner wall of the outer shell and the outer wall of theinner shell; one end of the first spring and one end of the second spring are welded to the inner wall of the outer shell; and the other ends of the first spring and the second spring are welded to the outer wall of the inner shell. According to the battery shock absorber of the new energy automobile, through setting the corresponding through holes, the heat generated by the battery can be dissipated out, which can avoid overheating of the battery; through setting the springs between each of the walls, the shock absorbing effect can be improved; in addition, the battery shock absorber of thenew energy automobile is convenient to close the cover plate, which is convenient and brings better use prospects.

The invention discloses a topological optimization method of a composite sandwich plate shell structure based on damping maximization. The topological optimization method comprises the following steps: according to a composite sandwich plate shell structure, extracting dimension information, material information and boundary information; establishing a mathematical model of the composite sandwich plate shell structure of a restraint layer fiber angle to be optimized; setting an order of a loss factor which is to be optimized by the composite sandwich plate shell, setting the initial quantity and the evolution step length of each layer of fiber angle of the restraint layer, and establishing an optimal model; and successively inputting each layer of fiber angle to obtain a corresponding loss factor and transmit information, and finally, outputting transmitted information to obtain a maximized loss factor of the composite sandwich plate shell structure and a fiber angle combination parameter corresponding to the maximized loss factor so as to obtain an optimal configuration of the composite sandwich plate shell structure based on the damping maximization. The optimization design of the fiber angle causes the composite sandwich plate shell structure to be subjected to the damping maximization, so that the composite sandwich plate shell structure has a good vibration attenuation and vibration absorption effect, and a calculation speed is high.

The invention relates to a single-drive two-way type AGV trolley for the non-flat ground. The trolley comprises a trolley frame and a pair of hanging and driving systems symmetrically arranged on the two sides of the bottom of the trolley frame. Each hanging and driving system comprises a hanging mechanism and a driving mechanism, wherein the hanging mechanism comprises a hanging frame body arranged at the bottom of the trolley frame, a hanging frame body cover plate matched with the hanging frame body, and at least two spring suspension units evenly arranged between the hanging frame body and the hanging frame body cover plate and used for elastically connecting the hanging frame body with the hanging frame body cover plate; and the driving mechanism comprises a drive motor arranged on the outer side of the hanging frame body, and a drive wheel arranged in the hanging frame body and connected with the drive motor in a transmission manner. Compared with the prior art, the two independent elastic hanging and driving systems are adopted in the single-drive two-way type AGV trolley, it is guaranteed that the drive wheels make real-time and reliable contact with the road surface, and the two drive wheels can do the differential movement.

A drift plate with an independent tube shock-absorbing structure includes: a pedal; at least one wheel seat, comprising a wheel axle part and a shock absorber mounting part connected with the top of the wheel axle part; two rollers respectively locked through the wheel axle part by wheel axle screws; at least two independent tube type shock absorbers, wherein each shock absorber is locked and positioned between the shock absorber mounting part and the pedal respectively through a bolt element.

The invention discloses a debridement vehicle with a shock absorbing function, which comprises a shock absorber, a main body of the debridement vehicle, a moving wheel and a disinfection box. The shock absorber includes a spring rod, a piston rod and an air cushion layer. The top end of the spring rod and the The bottom ends of the piston rods are connected together, and the top ends of the piston rods are connected with the air cushion layer. The disc springs and rubber pads are arranged inside the spring rods. The air cushion layer includes an upper fixed plate, a lower fixed plate and several spring cylinders. There is a buffer air cushion inside, and the upper and lower ends of the spring tube are respectively connected with the upper fixed plate and the lower fixed plate. The disinfection box is set inside the debridement vehicle. The disinfection box includes an ultraviolet lamp, a lamp holder and an installation tube, and the lamp holder is installed in a ring. The inner wall of the tube is installed, and the ultraviolet lamp is installed in a ring through the lamp holder. The device has a good shock absorption function when in use, effectively protects the debridement vehicle itself, and can realize rapid sterilization and disinfection at the same time, which is conducive to ensuring good sanitation surroundings.

The invention relates to a shock absorption and isolation system and a bridge. The system comprise a bridge pier, a main beam arranged over the bridge pier; a first shock absorption and isolation mechanism connected between the bridge pier and the main beam and arranged in the transverse direction; and a second shock absorption and isolation mechanism connected between the main beam and the bridgepier and arranged in the longitudinal direction. The second shock absorption and isolation mechanism and the first shock absorption and isolation mechanism are arranged in an orthogonal mode. When anearthquake occurs in an external environment, the first shock absorption and isolation mechanism and the second shock absorption and isolation mechanism can work cooperatively at the same time; strong vibration generated by earthquakes is forcibly decomposed along respective movement directions; therefore, transverse and longitudinal motions are orthogonally separated to respectively reduce or eliminate the vibration in two different directions, the vibration damage of the earthquake to the bridge is greatly weakened, the shock absorption and shock resistance of the bridge are enhanced, and safe and reliable service of the bridge in an earthquake environment is guaranteed.

The invention relates to a racket handle which comprises a handle body and a small cap. The handle body comprises an outer hollow cylinder and an inner hollow cylinder integrally nested into the outer hollow cylinder. The handle body comprises a front section, a middle section and a rear section which are sequentially arranged along the longitudinal axis. The small cap fixedly sleeve the free end of the front section. One side, close to the free end, of the front section is a conical hollow body. The connecting end of the conical hollow body and the small cap is provided with an inward cylindrical deep hole. Damping strips are disposed inside the cylindrical deep hole. Reinforcing spokes are disposed in a space formed by the inner wall of the front section and the outer wall of the cylindrical deep hole. Grooves spirally extending along the axis of the handle body is formed in the outer wall of the outer hollow cylinder. By the structure, the racket handle has the advantages that wood and a grip are omitted, environmental protection and consumption reduction are achieved, the racket handle is few in material, capable of being washed at any time, good in touch, good in damping effect, fast in sweat dissipation and good in durability, and a racket with the racket handle is long in service life.

The invention belongs to the technical field of bridge support machines and discloses a spherical steel damping support. The spherical steel damping support is characterized by comprising an upper support plate, a first plane abrasion-resistant plate, a spherical crown liner plate, a middle steel plate, a second plane stainless steel plate and a lower support plate, wherein check blocks (11) for limiting the direction are arranged on the four peripheral edges in a rectangle of the upper seat plate; a plurality of connected double-curved-surface steel sticks are arranged on the periphery of the middle steel plate and the periphery of the lower support seat; pulling preventing blocks are arranged at the bottoms of the check blocks of the corresponding two peripheral edges of the upper support plate; pulling resisting blocks are arranged on the two sides, corresponding to the check blocks with the pulling preventing blocks, of the middle steel plate. By means of the steel damping spherical support, damage, caused by seismic force caused by longitudinal waves, to a bridge body can be avoided, and meanwhile the seismic mitigation and absorption functions are achieved on damage caused by transverse waves; the steel damping spherical support has the advantages of being simple in structure and stable in performance.

The invention provides a large-scan bridge seismic mitigation and isolation system comprising two main seismic mitigation assemblies which are symmetrically arranged in the longitudinal direction of the bridge surface. Each main seismic mitigation assembly comprises a spherical supporting seat, a transverse damper for transverse energy consumption and a longitudinal damper for longitudinal energy consumption, wherein the spherical supporting seat is internally provided with a shearing force piece. The large-scan bridge seismic mitigation and isolation system has the advantages that longitudinal and transverse seismic mitigation of a bridge is achieved, and the anti-seismic performance requirement of the bridge is met.

The invention relates to a magnetic suspension automobile technology, in particular to an intelligent automobile with magnetic suspension wheels, wherein the intelligent automobile is electrically driven to travel and comprises an automobile body, radar, the magnetic suspension wheels, a laser range finder and an ECU (electronic control unit). The magnetic suspension wheels are mounted on the automobile body, the radar is arranged on the automobile body, the laser range finder is mounted at a front window of the automobile body, the magnetic suspension wheels comprise fixers, rotators, tires and guide mechanisms, the fixers comprise stators and N-pole suspension stators, the stators are hub motors, the suspension stators are arranged on two sides of the stators and connected with the stators, the rotators comprise rotors and N-pole suspension rotors, the rotors are annular, the suspension rotors are positioned on two sides of the rotors and positioned on two sides of the suspension stators, gaps are kept, the stators are positioned in the rotors, and the tires are positioned at the outer edges of the rotors.

The invention relates to a horizontal swing type shock insulation support with a beam falling prevention function, which comprises an upper sliding plate, an upper support plate, a spherical crown lining plate and a lower support plate which are sequentially arranged from top to bottom, and sliding friction pairs are arranged between the upper sliding plate and the upper support plate, between the upper support plate and the spherical crown lining plate and between the spherical crown lining plate and the lower support plate; a circular sinking groove is formed in the lower surface of the upper sliding plate, a circular clamping tenon in clearance fit with the circular sinking groove is arranged on the upper surface of the upper support plate, and the circular sinking groove and the circular clamping tenon are eccentrically arranged. The problems that in the actual working process of an existing support, shock absorption and isolation of upper and lower structures of a building cannot be achieved, and a multi-direction movable support cannot reasonably limit the relative displacement range between the upper and lower portions of the support and between the upper and lower structures of a bridge (or the building) and the like are solved.

The invention relates to valve equipment, in particular to a shockproof corrugated tube sight glass suitable to be used in places of greater vibration. The sight glass consists of two outer flanges, two inner flanges and a transparent sight glass, wherein both ends of the transparent sight glass are fixed inside the two inner flanges; the inner flanges are fixed with the corresponding outer flanges through metal tube fittings which are corrugated tubes; and one end of each corrugated tube is fixed with each inner flange, while the other end is fixed with each outer flange. The shockproof corrugated tube sight glass has the advantages that: the sight glass adopts double-corrugated section design and the corrugated tubes also have certain toughness, thereby greatly improving the shockproof performance of the sight glass, prolonging the service life of the sight glass, reducing product leakage during vibration and basically avoiding the possibility of glass breakage; the sight glass can be widely used in various places, particularly in pharmacy, petrochemical industry, ocean platforms and the like; and the double-corrugated structure can also be grafted on other valve structures such as gate valves, stop valves, check valves and ball valves to improve shockproof effects during production operation.

An Al-alloy racket with high strength and vibration damping effect and light weight is composed of a tubular frame made of Al alloy and with 2 joist layer, a vibration damping block between two lower arms of said tubular frame, and an octagonal handle connected to said two lower arms of said tubular frame via two rivets and with a surficial fiber layer.

The invention belongs to the technical field of bridge construction, and relates to a bridge tensile seismic mitigation and absorption support, which is characterized in that a cavity is formed in a top shock absorption block of a base, a transverse plate is fixedly mounted on the inner wall of the bottom of the cavity, a shock absorption plate is fixedly mounted at the top of the transverse plate, and two energy consumption assemblies are arranged at the top of the shock absorption plate; the same sliding block is slidably mounted on the inner walls of the two sides of the cavity, actuating rods are rotatably mounted on the two sides of a stand column fixedly mounted in the center of the top of the sliding block, sliding plates are slidably mounted on the outer sides of two symmetrically-arranged transverse columns fixedly mounted on the inner wall of the top of the cavity, and damping springs are fixedly mounted on the sides, close to each other, of the two sliding plates. And one sides of the two acting rods are in transmission connection with damping assemblies correspondingly, the tops of the stand columns penetrate through the inner wall of the top of the cavity and extend topositions above damping blocks, and the tensile seismic mitigation and absorption support is good in shock absorption and isolation effect on a bridge.

The invention discloses a high-speed rail bridge support seismic isolation system. The structure of the system comprises a pressure sensor, a seismic isolating rubber support, inner connecting bolts,a silica gel sealing plate, a rubber protection layer sleeve, outer connecting bolts, a steady steel plate layer, a seismic isolating lead core, a seismic reducing rubber layer, a connecting steel plate, a pre-embedded steel plate, a bridge sleeve, and bridge pre-embedded ribs. The pressure sensor is provided with a pressure sensing cap, a sensing cap nested groove, a sensor threaded stud, a sensing data wire, a tail cap nested groove, and a sensor tail cap. The high-speed rail bridge support seismic isolation system realizes high leakproofness and smooth and efficient cooperation and connection of each component, transmits real-time test data of load of pressure and capacity of a bridge, and stores the data and provides to-be-improved load and load values for personnel who performs maintenance and protection at fixed time, so the personnel can change high-strength load materials to improve seismic isolation effect.

The invention discloses a self-resetting shock insulation support. The support comprises an upper support plate, an upper ellipsoidal plate, a lower ellipsoidal plate, a lower support plate, a bufferdevice, a universal ball, a limiting ring, a nut, a sliding rod and a disc spring. The self-resetting shock insulation support has the effects that a material is environment-friendly and harmless andhas no harm to the environment and constructors; damage of earthquakes to a structure is reduced by comprehensively utilizing horizontal, vertical and rotary seismic mitigation and isolation devices and a protection device; the support is high in adaptability and can be applied to various types and scales of bridges, houses and other civil engineering structures; under the combined action of the disc spring, the sliding rod, a semi-ellipsoidal groove and semi-ellipsoidal convex teeth, a good post-earthquake self-resetting characteristic is achieved; maximum corner displacement can be limited,pull-out resistance is achieved, structural safety and stability are improved, and risks of beam falling, support disengagement and the like are greatly reduced; parts are detachable, so that great convenience is brought to ordinary maintenance and post-earthquake repair; and horizontal, vertical and rotating effects of the earthquakes can be effectively reduced, and life and property safety of people and civil engineering building structures can be better protected.

The invention discloses a friction pendulum semi-active seismic isolation system based on a PSO algorithm and a control method. A seismic isolation and reduction part comprises an upper column, a lower column, an electromagnet, a pressure sensor, a displacement sensor, a foundation, a friction pendulum support and a control part, wherein the friction pendulum support is composed of an upper cover plate, a lower cover plate, a sliding curved surface, a sliding block and a limiting block; wherein the control part is a control unit based on a PSO intelligent algorithm. The control method comprises the following steps: in an earthquake, the structure responds, the friction pendulum works, the pressure sensor and the displacement sensor receive signals, and information is transmitted to the control part; a computer data processor in the control part calculates the information through a PSO-LQR intelligent algorithm to obtain the optimal control force; and the optimal control force is transmitted to a control power switch through a control signal, so that a power supply is adjusted, an electromagnet is controlled to work, and the friction pendulum support works safely. The PSO algorithm is introduced to carry out optimization selection on parameters of the LQR controller, it is guaranteed that the system can operate efficiently, an optimal solution can be obtained, and finally global optimal control is achieved.

The invention discloses a longitudinal elastic constraint multifunctional seismic mitigation and isolation support. The support comprises a lower seat plate; a middle seat plate which is in sliding connection with the lower seat plate and is provided with a first cambered surface; a rotating piece which is located on the middle seat plate and provided with a second cambered surface, wherein the second cambered surface makes contact with the first cambered surface; a first limiting device which is installed on the rotating part and abuts against the middle seat plate to limit the first cambered surface to slide relative to the second cambered surface, wherein the connecting strength of the first limiting device and the rotating part is smaller than a preset threshold value; second limiting devices which are installed on the lower seat plate and located on the two sides of the middle seat plate in the longitudinal bridge direction respectively to limit the sliding distance of the middle seat plate in the longitudinal bridge direction; and a restraining device which comprises a connecting assembly and an elastic piece, wherein the connecting assembly is connected with the lower seat plate and the elastic piece. The support has the longitudinal adjustable limiting function and longitudinal elastic constraint, the anti-seismic property is improved, a telescopic adjuster can be omitted for a large-span bridge, the maintenance workload is reduced, and the construction cost and the operation cost can be saved.

The invention relates to the technical field of vehicle suspension systems, in particular to a vehicle suspension shock absorber which comprises an upper suspension positioning plate, a hydraulic damper, a lower suspension positioning screw sleeve and a regulating nut, wherein the upper suspension positioning plate and the lower suspension positioning screw sleeve are respectively positioned at the upper end and the lower end of the hydraulic damper, the regulating nut is positioned on the middle part of the hydraulic damper, and a rubber air bag is arranged on the hydraulic damper. According to the vehicle suspension shock absorber, because the rubber air bag is used for replacing a steel spring, the vehicle suspension shock absorber not only has a simple structure and can be deflected and subjected to flexure, but also flexible motions of automatic control can be realized so as to improve the shocking proof effect and the comfort of a travel process of a vehicle.

The invention discloses a multistage damping shock-absorbing apparatus, which comprises an inner cylindrical shell, an outer cylindrical shell, a first floating piston, a first damping body, a second damping body, a second floating piston and a spring. The upper end of the outer cylindrical shell is closed; the lower end of the outer cylindrical shell is open; the upper end of the inner cylindrical shell is open; the lower end of the inner cylindrical shell is closed; the first damping body is arranged on the top of the inner cylindrical shell; the spring, the second floating piston, the second damping body and the first floating piston are arranged inside the inner cylindrical shell from top to bottom in order; one end of the spring is connected to the second floating piston and the other end of the spring is connected to the interior surface at the bottom of the inner cylindrical shell; a first damping aperture is drilled in the first damping body, and a second damping aperture is drilled in the second damping body; the inner cylindrical shell is arranged in the outer cylindrical shell in a sliding way; and an oil pressure space is formed between the top end of the inner cylindrical shell and the top end of the outer cylindrical shell. By adopting multistage pressure-relief, the shock-absorbing capability of a shock-absorbing apparatus is improved; at the same time, the requirement to the material intensity of the damping body is reduced; and the problem of over-hard performance of the shock-absorbing apparatus is solved.

The invention discloses a motorbike damper having an excellent damping effect. The motorbike damper having the excellent damping effect comprises a supporting seat. The top and the bottom of the supporting seat are both provided with moving rods. The end, close to the supporting seat, of each moving rod penetrates through the supporting seat and extends into the supporting seat. The top and the bottom of the supporting seat are provided with sleeves matched with the moving rods in an inlaid manner and correspond to the moving rods in position. One end of each moving rod is fixedly provided with a limiting plate located inside the supporting seat. The end, far away from the corresponding moving rod, of each limiting plate is fixedly provided with a permanent magnet. According to the motorbike damper having the excellent damping effect, through the arrangement of the supporting seat, the moving rods and supporting springs, after the supporting springs are stressed, timely resetting can be achieved through buffering springs and electromagnets, so that the damping effect of the damper is effectively improved, the stability of a motorbike is effectively maintained, the comfort level ofa rider is improved, the riding safety of people is also improved, and the life safety of people is guaranteed.