104results about How to "good shock absorption" patented technology

The invention discloses an environmental protection restoration device for municipal landscaping soil, which comprises a processing box, the processing box is a cylindrical body, a feeding pipe is arranged at the upper left end of the processing box, a feeding hopper is arranged at the upper end of the feeding pipe, and a feeding hopper is arranged at the upper end of the feeding pipe. There is a crushing roller in the bucket, a crushing motor is fixed in the middle of the upper end of the processing box, a crushing shaft is set at the output end of the crushing motor, movable crushing knives are arranged symmetrically on both sides of the crushing shaft, and several fixed crushing knives are arranged in an array inside the processing box. The knives, the fixed pulverizing knives and the movable pulverizing knives are distributed at cross intervals. The structure of the invention is simple and reasonable, the shock absorption effect is good, and it is easy to carry. The size of the soil particles when mixed with the remediation fluid helps to ensure the remediation effect of the soil, and the unqualified soil will enter the collection box, and then be sent back by the lifting cylinder, so as to realize the circular crushing of the soil, which has strong practicability.

The invention discloses an anti-shock damping safety seat. The both sides at the bottom of a seat main body are connected with a supporting plate through damping rods; the back surface of the seat main body is in sliding connection with a back plate through a damping connecting piece; the damping connecting piece comprises a connecting block, a damping spring group, a silica gel layer and a sliding block; one side of the connecting block is fixedly connected with the back surface of the seat main body, while the other side of the connecting block is connected with the silica gel layer through the damping spring group; one side of the silica gel layer is connected with the sliding block; a sliding chute in fit with the sliding block is formed in the back plate; a fixing base is coated with a first anti-collision bag; the first anti-collision bag is filled with a buffer material; a buffer bag is arranged in the fixing base and filled with a buffer gas generating material; second anti-collision bags are arranged on the back surface and the bottom surface of the seat main body and are filled with an energy absorbing material; arc-shaped rubber layers are arranged on the outer sides of the second anti-collision bags. The anti-shock damping safety seat, disclosed by the invention, is better in shock resistance, good in buffering and damping effect, capable of automatically recovering within a certain range, and good for protecting human body.

The invention discloses a robot damping device good in damping effect. The robot damping device comprises a bottom plate. Four first sliding grooves are formed in the upper surface of the bottom plate, and located in the four corner positions of the upper surface of the bottom plate correspondingly. The first sliding grooves are internally in sliding connection with first sliding blocks. The leftside faces of the first sliding blocks are fixedly connected with the left side faces of the inner walls of the first sliding grooves through elastic devices. According to the robot damping device good in damping effect, through the arrangement of the elastic devices, when a robot vibrates, the robot moves downwards to drive a connecting plate to move downwards, the elastic force of the four firstsprings can relieve downward impact force of the connecting plate at the time, and accordingly vibration reducing is conducted on the robot. Meanwhile, the connecting plate moves downwards, and second springs are downwards compressed through fixing plates; and under the action of the second springs, the second springs can relieve the downward impact force of the connecting plate, and accordinglyrobot damage due to vibration is further relieved.

The invention discloses a drill bit for oil and gas field investigation, which comprises a first casing, a first cavity is arranged inside the first casing, and slide grooves are arranged on opposite side walls of the first cavity, so that The chute communicates with the first cavity, the chute is provided with a first sliding rod, and the two ends of the first sliding rod are fixedly connected with the opposite side walls in the chute, and the upper sleeve of the first sliding rod Two clamping blocks are connected, both ends of the two clamping blocks pass through the hollow groove, two rotating shafts are arranged in the first cavity, and the opposite side walls in the first cavity are provided with There is a groove corresponding to the rotating shaft, and the two ends of the rotating shaft are respectively slidably connected with the two grooves, and a first rotating rod and a second rotating rod are rotationally connected on the two rotating shafts, and the first rotating rod and the second rotating rod are connected in rotation. One end of the second rotating rod is provided with a limit block. The drilling bit for oil and gas field exploration has good shock absorption effect, simple replacement operation, adjustable length, and can meet the investigation work of different depths.

The invention discloses a building piling machine. The building piling machine comprises two first support plates. The upper ends of the two first support plates are each provided with two support rods, wherein every two support rods are symmetrical in the front-back direction and are fixedly connected. A same annular frame is fixedly connected among the four support rods through connecting rods.Two symmetrical arc-shaped clamping plates are fixedly connected to the inner side of the annular frame through multiple springs. Multiple limiting rods are fixedly and uniformly connected to the side, close to the annular frame, of each arc-shaped clamping plate. The multiple limiting rods at each side penetrate the surface of the annular frame through through holes formed in the surface of the annular frame and are fixedly connected with the corresponding arc-shaped clamping plate. According to the building piling machine, a pile is hammered into the ground through the impact force generatedby the gravity of a pile hammer; labor force is saved; a pile body does not need to be held by hands, and piling can be achieved; labor efficiency is improved; and in addition, the problem that accidents are caused in the piling process that the pile body is held manually, so that people are injured is avoided.

The invention provides a hydraulic wheel retracting device for an amphibious vehicle. The hydraulic wheel retracting device comprises a frame, a steering section mounted in the middle of a wheel, and a driving oil cylinder. A piston rod of the driving oil cylinder is connected with the lower part of the steering section through a lower spherical hinge; the top of the front end of the cylinder body of the driving oil cylinder is fixedly connected with the middle part of a supporting rod; the front end and the back end of the supporting rod are respectively fixedly connected with the outer end of a pull rod; two pull rods are arranged on left and right sides; the inner ends of the two pull rods are respectively mounted on the frame by using rotary pin shafts; the two rotary pin shafts and a rotating shaft are concentrically arranged; the upper part of the steering section is connected with the outer end of a wheel supporting frame through an upper spherical hinge; the inner end of the wheel supporting frame is connected with a tension transmission casing pipe in clearance fit; and the tension transmission casing pipe is connected with the frame by more than one bearing base. The hydraulic wheel retracting device for the amphibious vehicle, provided by the invention, has the advantages of simple and compact structure, good buffering and damping effects, safe and reliable properties, low fault rate, low manufacturing price and capability of greatly improving the height of the wheel.

The invention discloses an anti-collision smartphone, comprising a phone body, wherein through holes are formed at four corners of the front surface of the phone body; an air bag is arranged in each through hole; an air generator, a controller, a gravity sensor and a gyroscope are arranged in the phone body; the air bags are connected with the air generator by air pipes; the air generator is connected with the controller via a circuit; and the controller is connected with the gravity sensor and the gyroscope via circuits. In the case of not affecting the appearance of the phone, the smartphone can deal with fall collision from any direction, the screen and frame of the smartphone are protected against damage, the protective air bags are prone to recycle and replace after usage, the economic benefit is good, and the security is high.

The invention provides a torsional vibration isolator, which is used in engine crankshafts and the like, and can effectively solve the problem that crankshaft torsional vibration is transferred to an accessory gear train, thereby improving automotive ride comfort. The torsional vibration isolator comprises a driving disc, a driven disc hub and an elastic damping unit, wherein the elastic damping unit is composed of a circular guide rail and a plurality of elastic components uniformly distributed on the guide rail; a bulge is formed at the middle part of the driving disc; a through hole is formed at the middle part of the bulge, and a bearing is pressed and mounted at the periphery of the bulge; a plurality of shifting yokes are uniformly distributed on the driving disc, and each of the shifting yokes is respectively provided with a first groove at the same side; rib plates are arranged in the driven disc hub, both the number and the positions of the rib plates are corresponding to those of the shifting yokes, and each of the rib plates is respectively provided with a second groove; the first grooves and the second grooves are opposite to each other; the periphery of the bearing ispressed and mounted in the through hole at the center of the driven disc hub, the guide rail of the elastic damping unit is mounted in the first grooves and the second grooves, and the elastic components are distributed between the shifting yokes and the rib plates.

The invention relates to a shock absorption device, and in particular to an electric damping shock absorber. The electric damping shock absorber disclosed by the invention comprises a moving structural member, a static structural member and an elastic component, wherein the elastic component is arranged between the moving structural member and the static structural member; the electromagnetic static member of a linear electric mechanism is arranged on the static structural member, the electromagnetic moving member of the linear electric mechanism is arranged on the moving structural member, and the electromagnetic static member is in electromagnetic fit with the electromagnetic moving member; or the electromagnetic static member of a rotary electric mechanism is arranged on the static structural member, the electromagnetic moving member of the rotary electric mechanism is driven by the moving structural member, and the electromagnetic static member is in electromagnetic fit with the electromagnetic moving member. According to the electric damping shock absorber disclosed by the invention, redundant shock is reduced by virtue of damping generated by the interaction of the electromagnetic static member and the electromagnetic moving member, thus a better shock absorption is achieved; a part of energy in shock can also be recovered in a structure provided with an inductive unclosed coil, thus a great effect is also achieved in the aspect of energy saving.

The invention provides a vibration-absorption material, which has excellent vibration-absorption performance without needing to set any vibration-absorption structure. An experiment result of the embodiment shows that a shoe sole obtained through the vibration-absorption material provided by the invention has excellent hardness, tension strength, elongation, right-angled tearing strength, specific gravity, wear-resisting property and vibration-absorption performance, and a vibration-absorption performance G value is less than or equal to 35, which is far better than the vibration-absorption performance (45 or higher) of a common shoe sole.

The invention discloses a damping road structure and a construction method thereof and relates to the technical field of road structures and construction. The damping road structure comprises an asphalt mixture paving layer, a precast concrete road board and a roadbed from top to bottom; a damping mortar layer used for damping is disposed between the precast concrete road board and the roadbed, awaterproof layer is disposed between the damping mortar layer and the roadbed, and insertion grooves and insertion heads are arranged on the side face of the precast concrete road board at intervals;the insertion grooves are inclined downward to the lower portions of the inner side of a board body of the precast concrete road board to form oblique surfaces, openings are formed in the lower ends of the insertion grooves, and the insertion heads are inclined downward to the lower portions of the outer side of the board body of the precast concrete road board to form oblique surfaces; every twoadjacent precast concrete road boards are connected with each other through the corresponding insertion grooves and the corresponding insertion heads. The problems that damping road structures are likely to be damaged and have a short life are solved, and a road can have great damping performance, a long service life and excellent bearing capacity.

The invention discloses an efficient damping and buffering sighting telescope connecting mechanism which comprises a base body, a picatinny rail locking mechanism, buffering cushions, a spring and twoguiding shafts. The base body is used for bearing a sighting telescope. The axes of the two guiding shafts are arranged in parallel. The two guiding shafts penetrate in the picatinny rail locking mechanism, and the axial two ends of the two guiding shafts are connected to the base body. The buffering cushions are arranged on the inner sides of the connecting positions of the guiding shafts and the base body. The spring is arranged on the guiding shafts in a sleeving manner, and the two ends of the spring are pressed on the buffering cushions. By means of the efficient damping and buffering sighting telescope connecting mechanism, the damping and buffering effect is improved to 80% from the original 50%; the service life of a core device in the product is prolonged; limitation of the installation position of a weapon platform is avoided, and a good damping effect can be achieved under the 100 DEG C high-temperature condition; and uniqueness of the movement direction of the base body ismaintained through the double guiding shafts, jumping of the base body is reduced, and zero stability of the sighting telescope is improved.

The invention belongs to the technical field of medical instruments, and particularly relates to a first-aid examining table providing convenience for movement for the cardiovascular medicine department. For the technical problem that vibration is caused easily to cause discomfort of a patient when a medical worker moves the patient, the following scheme is proposed that the first-aid examining table comprises a bottom plate and an emergency bed, wherein the outer wall of the top of the bottom plate and the outer wall of the bottom of the emergency bed are fixedly provided with fixing blocks through screws respectively, two sliding grooves are formed in the outer portions of the two fixing blocks, the inner walls of the two sliding grooves are slidably connected with a same retractable frame, the inner wall of the retractable frame is welded with an electric push rod, the outer wall of the top of the emergency bed is fixedly provided with a shock pad through a screw, the outer wall ofthe top of the shock pad is fixedly provided with a cushion through a screw, the outer wall of the top of the cushion is fixedly provided with two supporting rods through screws. The first-aid examining table providing convenience for the movement for the cardiovascular medicine department has exquisite appearance and various functions, performs infusion treatment on an emergency patient during movement conveniently, has a good shock absorption effect, and can detect the vibration amplitude of the emergency bed in time.

The invention relates to a sole. The sole comprises a foot sole section sole, a foot arch section sole and a heel part sole, wherein a damping device is arranged on the upper surface of the heel part sole; a shaping sheet serving as a midsole is covered on the foot sole section sole, the foot arch section sole and the damping device; the damping device comprises four arched damping units made of thermoplastic urethanes (TPU); the four arched damping units are divided into two groups, and the two groups are arranged on the inner side and the outer side of the upper surface of the heel part sole respectively; two waved elastic bars are arranged on the inner side and the outer side of the heel part sole respectively; and the elastic bars are covered on the arched damping units and the upper surface of the heel part sole. The sole has a simple structure and good damping effect, the middle shaping sheet transmits pressure to the damping units of a heal part through the waved elastic bars on the left side and the right side; the damping units divide the pressure into two parts through a top arched structure, and the pressure is dispersed towards the whole heel part, so that the load of a moving foot is reduced and the pressure on a heel is reduced so as to make walking or moving easier.

The invention discloses a subway rail damping device which comprises a rail. A bottom pad is arranged at the lower end of the rail, supporting plates are arranged at the lower end of the bottom pad, supporting rods are fixedly connected to the lower ends of the supporting plates, sleeves are arranged at the lower ends of the supporting rods, first grooves are formed in the sleeves, the supportingrods are slidably installed in the first grooves, and the supporting rods can slide up and down in the first grooves to drive the supporting plates to move up and down. The lower ends of the sleeves are integrally connected with bottom cylinders, second grooves are formed in the bottom cylinders, the lower ends of the supporting rods are integrally connected with bosses, the bosses are installed in the second grooves in a sliding mode, the diameter of the bosses is larger than that of the first grooves, first springs are arranged on the outer sides of the sleeves, one ends of the first springsare fixedly connected to the lower ends of the supporting plates, and the other ends of the first springs are fixedly connected to the bottom cylinders. Through the arrangement of the first springs,the downward moving speed of the supporting plates can be decreased through the first springs, the buffering effect on the rail is achieved, when a subway vehicle encounters an uneven road section, the first springs can further achieve the damping effect, and stable running of the subway vehicle is guaranteed.

The invention discloses a double-shock-absorbing flat bed, which comprises a bed board, and both sides of the upper surface of the bed board are fixedly connected with stop frames, and the inside of the stop frame is provided with a stop rod, and the lower surface of the bed board is fixedly connected with A shock absorbing device, the shock absorbing device includes a first spring, one end of the first spring is fixedly connected with a first buffer plate, and both sides of the lower surface of the first buffer plate are fixedly connected with telescopic rods. In the present invention, by setting the telescopic rod, the second spring will not be deformed when it is compressed under force, and at the same time support the bed board; The bed board is more stable. By setting the first spring and the second spring and double-layer shock absorption, the shock absorption effect is better. By setting the sliding block and the third spring, when the telescopic rod and the second spring are working, the impact on the telescopic rod is reduced. Damage, while making shock absorption better.

The invention relates to soles, and provides novel damping soles and shoes having the same, wherein the soles have elastically damping and stably supporting functions, are simple in structure and convenient to manufacture, and are suitable for mass production. Each novel damping sole comprises a middle sole and a large sole disposed under the middle sole. The lower surface of the middle sole is provided with a plurality of lengthwise raised lines and a plurality of transverse raised lines, and crosspoints of the lengthwise raised lines and the transverse raised lines are provided with spherical bumps. Positions, corresponding to the spherical bumps, of the upper surface of the large sole are provided with damping columns, the upper end of each damping column is provided with a spherical containing opening which wraps each spherical bump, the outer wall of each damping column is provided with first ring stages which are sequentially disposed in the axial direction. The upper surface of the large sole is provided with damping column sleeves covering the outsides of the damping columns, and each damping column sleeve and the each damping column are coaxial, the inner wall of each damping column sleeve is provided with second ring stages which are sequentially disposed in the axial direction, the internal circumference of the second ring stages surrounds the out wall of each damping column, and the second ring stages are arranged between adjacent first ring stages of damping columns.

The invention discloses a shock absorption seat for textile machinery. The shock absorption seat comprises a bottom foot, a fixed disk and a cylindrical shock absorption shell. The bottom foot is inserted into the shock absorption shell. The bottom of the bottom foot is fixedly connected with the fixed disk coaxial with the bottom foot. The fixed disk and a shock absorption plate are fixedly connected through multiple bolts. A shock absorption assembly I and a second shock absorption II with the completely identical structure compositions are further arranged in the shock absorption shell. Theshock absorption assembly I and the shock absorption II are crossed to form a cross-shaped shock absorption structure. The shock absorption assembly I comprises a rod body, connecting rods and damping springs, wherein the two ends of the rod body are both provided with steps in sliding fit with the rod body; the two ends of the rod body are fixed to the inner walls of the shock absorption shell;the outer portion of the rod body is sleeved with the damping springs. The shock absorption seat for the textile machinery has the beneficial effects of being capable of buffering up-down shock of thebottom foot through cooperation of the damping rods, the shock absorption assembly I and the shock absorption assembly II, capable of diffusing and absorbing strength well and excellent in damping effect.

The invention discloses a building shock absorbing device including a building wall body. The lower portion of the building wall body is fixedly connected with a shock absorbing groove body, shock absorbing annular columns are arranged in the inner portion of the shock absorbing groove body, and fixing grooves are arranged on the bottom portion of the shock absorbing groove body. The side of the building wall body is fixedly connected with shock absorbing columns, clamped grooves are formed in the shock absorbing columns, and the clamped grooves and the side of the building wall body constitute a parallel connection structure. The upper portion of the building wall body is fixedly connected with the fixing groove body, and elastic cotton plates are arranged in the inner portion of the fixing groove body and clamped groove. The bottom wall body of the building is fixed, and the side of the building wall body becomes a supporting shock absorbing structure through the combination of the shock absorbing annular columns, shock absorbing springs and concrete thereby absorbing the shock. The aseismic ability of building board room is poor, it is easy to cause large-scale economic losses and personnel injury in the face of force majeure, and the building board room is urgently needed to improve the overall aseismic performance. Those problems, caused by the simple structure of the building board room, are solved.

The invention discloses an hourglass type damping device for mechanical equipment. The damping device comprises a base, a supporting platform, a left support, a right support and an hourglass mechanism, wherein the supporting platform adopts a concave structure and moves up and down between the left support and the right support by the aid of a first supporting rod and a second supporting rod, and the hourglass mechanism is arranged between the supporting platform and the base. According to the damping device, a first triangular hourglass seat is arranged on the upper side of the base, a second triangular hourglass seat is arranged at the bottom of the supporting platform, sand filling the first triangular hourglass seat and the second triangular hourglass seat is used for damping, and the damping effect is very good; the damping device has the advantages of simple structure, stable performance and longer service life.

A shock-absorbing wheel with telescopic spokes, which includes a tire (1), an outer ring (2), and a central hub (5), and several telescopic wheels are evenly connected between the outer ring (2) and the central hub (5). A spoke (4), the outer end of the retractable spoke (4) is hinged to the outer ring (2) through the outer pin (3), and the inner end of the retractable spoke (4) is connected to the center hub (5) through the inner pin (6) ) hinged. Wherein, the telescopic spoke (4) includes a telescopic rod (41) and a cylinder (42), one end of the telescopic rod (41) enters the cylinder (42), and the end of the telescopic rod that enters the cylinder Features compression elastomers. Wherein, the compression elastic body is a compression spring (43). Wherein, the compressive elastic body is damping gas. Wherein, the compressive elastic body is a damping liquid. The beneficial effect of the invention is that the structure is simple, the damping effect is remarkable, and the damping requirement of the wheel is satisfied.

The invention discloses a universal anti-skid shock pad. The universal anti-skid shock pad comprises a shock pad body, an upper plate and a lower plate. The shock pad is of a U-shaped structure. The shock pad is divided into the upper plate, an isolation plate and the lower plate. Fixing mounting holes are formed between the upper plate and the lower plate of the shock pad. A sound insulating layer is arranged between the upper plate and the lower plate. A shock absorbing layer is arranged between the upper plate and the sound insulating layer. A plurality of cavities are arranged in the shock pad. Two spiral springs are vertically arranged in the shock pad. The length of the springs in the shock pad is smaller than the thickness of the shock pad body. The universal anti-skid shock pad has the advantages of being good in shock absorption effect, high in universality, easy to assemble and use and the like.

The invention discloses a novel air compressor, and relates to the field of air compressors. The novel air compressor comprises an air storage tank, a pair of mounting bases arranged on the air storage tank, a compression host and a motor, wherein the compression host and the motor are arranged on the pair of the mounting bases respectively, the side wall of the air storage tank is provided with an air inlet and an air outlet, the interior of the air storage tank is in sliding connection with a boosting plate with the outer wall abutting against the inner wall of the air storage tank, and theinner wall of the end, deviating from the air inlet, of the air storage tank is provided with a plurality of boosting springs fixed on the side wall of the boosting plate. The novel air compressor hasthe following advantages and effects that when the air storage tank is exhausted, the boosting springs are utilized to push the boosting plate to drive gas to move, the storage space of compressed gas is greatly reduced, the pressure intensity of the compressed gas is increased, the exhausted gas is always in a constant high pressure state, the effect of keeping the air pressure of the output gasconstant is achieved, and the effect of high reliability is achieved.

The invention discloses a stereoscopic parking garage speed bump with a good shock absorbing effect. The stereoscopic parking garage speed bump with the good shock absorbing effect comprises a mounting bottom plate; side plates are fixedly connected to the two sides of the top of the mounting bottom plate; the tops of the side surfaces of the two side plates are fixedly connected with each other through a decelerating top plate; hydraulic shock absorbing devices are fixedly connected to the top of the mounting bottom plate; the number of the hydraulic shock absorbing devices is three; and thehydraulic shock absorbing devices are distributed at the top of the mounting bottom plate in an equally spaced manner; the tops of the hydraulic shock absorbing devices are fixedly connected to the bottom of the decelerating top plate; the hydraulic shock absorbing devices comprise shock absorbing housings; and oil liquid chambers are formed in the shock absorbing housings. As the hydraulic shockabsorbing devices are arranged, a better shock absorbing effect is realized, the breakage of the speed bump caused by only using a rubber speed bump to absorb shock is avoided, the structure is more stable and much safer, the use effect is guaranteed, the maintenance and changing frequency is reduced, the maintenance and changing cost is reduced, the service life is prolonged, and great convenience is brought to users.

The invention relates to a damping device, in particular to a spring buffer type new energy automobile damping device. The spring buffer type new energy automobile damping device is good in damping effect and small in influence on an automobile, and causes no loosening to automobile parts. The spring buffer type new energy automobile damping device comprises an automobile chassis, a first dampingassembly, a supporting frame, an air pump and a second damping assembly. A first damping assembly is arranged on the top of the automobile chassis, the supporting frame is arranged on the top of the first damping assembly, the air pump is arranged at the bottom of the first damping assembly, the second damping assembly is arranged at the bottom of the first damping assembly, and the second dampingassembly is connected with the air pump. According to the spring buffer type new energy automobile damping device, because of arrangement of the first damping assembly, the automobile can be damped through the reset effect of first springs and a rubber pad in the first damping assembly; and by arranging a cooling assembly, the cooling assembly can dissipate heat of the first springs, and deformation of the first springs due to over high temperature is avoided.

A hard disk support for holding a hard disk drive can include a frame, a bracket, and a plurality of arched ribs. The bracket is located in the frame. The plurality of arched ribs extends from the frame toward to the bracket, and the arched ribs couple the bracket to the frame. When the hard disk support is shaken at a first orientation, the arched ribs are deformed to reduce the shock to the bracket to relieve the shock to the hard disk drive. As a result, the hard disk drive can be secured on the hard disk support without shock absorbers to absorb shock.

The invention discloses a novel railhead refining forging machine. The machine structurally comprises an oil cylinder, a hydraulic oil tank, a column, a lifting stand, a refining forging block, a fixing table, an operation table, damping foot margins, operation keys, a control cabinet, a display screen, a mold table, a photoelectric protector and a top plate. The oil cylinder comprises a servo motor, a prefill valve, a cylinder body, a flange disc, a fixing screw and a lead screw. In order to achieve a good damping effect after the railhead refining forging machine is pressed, the automation refining forging degree is high, the four damping foot margins are evenly arranged at the bottom of the operation table of the railhead refining forging machine at equal intervals, the damping effect after press can be achieved, the noise is reduced, the oil cylinder is provided with the servo motor so that the lifting time of the lead screw can be controlled, the position precision is accurate, the reaction speed is high, and automated hydraulic refining forging is achieved.

The invention discloses a combined motorcycle shock absorber and a shock absorption method thereof. The combined motorcycle shock absorber comprises a first sleeve and a second sleeve which are coaxially arranged, wherein each of the first sleeve and the second sleeve is provided with a closed end, and each of the two closed ends is fixedly connected with a connecting piece; a piston rod is slidably arranged in the first sleeve, and one end of the piston rod extends into the second sleeve; the position between the piston rod and the closed end of the first sleeve is filled with compressed gas;a push plate is slidably arranged in the second sleeve, a second buffer spring is arranged between the piston rod and the push plate, and the position between the push plate and the closed end of thesecond sleeve is filled with pressurized liquid. According to the combined motorcycle shock absorber and the shock absorption method thereof, a three-stage combined shock absorption structure is adopted, so that the shock absorption effect is better, and excessive rebound can be avoided.

The invention relates to an unmanned aerial vehicle transport device, more specifically, to a novel unmanned aerial vehicle transport device. The device can provide landing sites for unmanned aerial vehicles, so that that landing area can be enlarged, the device is capable of changing height, the device can have good shock absorbing effect when the UAV landed on the ground, the device can be movedand reduces the vibration to the device during the movement while reducing UAV sloshing. The device can realize the parking fixing function, the shock absorbing and limiting wheel mechanism is connected with the connecting plate, the connecting plate is connected with the lifting shock absorbing mechanism, the lifting shock absorbing mechanism is connected with the transport material clamping mechanism, the transport material clamping mechanism is connected with the parking table mechanism of the unmanned aerial vehicle, and the parking table mechanism of the unmanned aerial vehicle is connected with the transport fixing mechanism of the unmanned aerial vehicle.

The invention discloses a damping base of a mining machine. The damping base of the mining machine comprises a shell. A cross plate A is arranged above the shell. An anti-skid layer is arranged on thecross plate A. A connection plate is arranged on the lower side of the cross plate A. The upper wall of the shell is provided with a square through hole. Two vertical rods A and two sleeves B are connected with the lower side of the connection plate. The lower sides of the vertical rods A are provided with magnet blocks A. The vertical rods A are provided with sleeves A. A square frame is arranged on the lower sides of the sleeves A. Magnet blocks B are arranged in the sleeves A. barrels are fixed to the inner walls of the upper corners on the two sides of the shell. A square block penetratesthrough the square frame. Vertical rods B are arranged on the square block. The lower sides of the sleeves B are provided with tension springs A. A vertical rod C is arranged on the lower side of thesquare block. A cross plate B is arranged on the lower side of the vertical rod C. A tension spring B is arranged on the cross plate B. Cross plates C are arranged on the two sides of the vertical rod C. Sliding blocks are arranged on the lower sides of the cross plate C. The sliding blocks slide in sliding grooves. Cross rods are arranged on the inner wall of the shell. The cross rods are provided with springs B. The side ends of the cross plate C are provided with blind holes. The damping base of the mining machine reasonably adopts the three-grade damping manner from weak to strong, fullyachieves the damping function and effectively achieves the damping purpose.