38results about How to "Realize the function of shock absorption and buffering" patented technology

The embodiment of the invention discloses a highway bridge damping and noise reduction device. The invention belongs to the technical field of traffic facilities, the device comprises two oppositely-arranged cross beams and racks arranged on the cross beams. The racks on the two cross beams are inserted in a staggered manner; silencing seams are formed between the racks, a silencing cavity is formed below the silencing seam; the device further comprises an opening mechanism, a sound absorption plate, a buffer mechanism, a containing cavity and a rubber pad which are arranged in the silencing cavity. The upper end of the opening mechanism is fixedly connected with the lower end of the rack, the containing cavity is formed in the inner wall of the cross beam, the rubber pad is arranged in the containing cavity and extends outwards into the middle of the silencing cavity, the sound absorption plate is fixed to the inner wall of the cross beam and arranged below the rubber pad, and the buffering mechanism is arranged on the lower portion of the silencing cavity and downwardly penetrates through the rubber pad. The highway bridge expansion joint is ingenious in structural design, damping and noise reduction of the highway bridge expansion joint are achieved through cooperation of the opening mechanism, the buffering mechanism and a cross beam sliding mechanism, and the using effectof the bridge expansion joint is improved.

The invention relates to polishing equipment with a shock absorption function and for a metal tool. The polishing equipment comprises a main body, a polishing disc, a handle, a driving motor, a protective cover, a shock absorption mechanism and two heat dissipation mechanisms, wherein the shock absorption mechanism comprises a moving plate, a telescopic frame, a slideway, two hinged blocks, two shock absorption blocks, two shock absorption assemblies and two auxiliary assemblies; and each heat dissipation mechanism comprises an air cylinder, a piston, a connecting rod, a connecting pipe, a hose, a first spring, a supporting shaft and a nozzle. The polishing equipment with the shock absorption function and for the metal tool has the advantages that through the heat dissipation mechanisms, the nozzles can blow air to the polishing disc, the air circulation speed around the polishing disc is accelerated, the heat dissipation function is realized, the polishing disc is prevented from beingdamaged due to overheating, the safety of the equipment is improved, the damping and buffering function of the equipment is realized through the shock absorption mechanism, the situation that the equipment cannot work normally due to excessive vibration is avoided, and thus the reliability of the equipment is improved.

The invention relates to a convenient and fast mineral product transporting device with damping and buffering functions. The device comprises a bottom plate, a vehicle body, an unloading mechanism andfour moving mechanisms; the moving mechanism comprises a moving wheel, a moving box, a supporting plate, a buffering assembly and two first springs; the buffering assembly comprises a sliding block,a buffering rod and a second spring; the unloading mechanism comprises a blocking plate, a supporting shaft and two unloading assemblies; the unloading assemblies comprises unloading units and transmitting unites; and the unloading units comprise supporting columns, motors, rotating shafts and first gears. According to the convenient and fast mineral product transporting device with the damping and buffering functions, through the unloading mechanism, the automatic unloading function is realized, and the convenience and rapidity of unloading is improved; and through the moving mechanisms, thedamping and buffering functions of the device is realized, and the situation that mineral aggregate is shaken off caused by over-large vibration of the device is avoided.

The invention relates to a safe and stable remote driving device based on Internet of Things. The remote driving device comprises a vehicle body and four moving wheels, and further comprises an energy-saving mechanism and two safety mechanisms, wherein each safety mechanism includes a baffle, an airbag, a fixing plate, a pressing plate, two connection assemblies, a plurality of damping assembliesand a plurality of first springs, the energy-saving mechanism comprises a first solar panel, a second solar panel and a rotating assembly, and the rotating assembly comprises a motor, a rotating shaft, a connecting plate and a bearing. According to the safe and stable remote driving device based on the Internet of Things, a damping and buffering function is achieved through the safety mechanisms,the damage force when an external force impacts the vehicle body is reduced, so that the probability of injury of passengers in the vehicle is reduced, and the safety of the remote driving device is improved; and a solar power generation function is achieved through a power generation mechanism, the energy is saved, and the environmental protection property is improved.

The invention relates to heat dissipation type geological radar detection equipment with a shock absorption function. The equipment comprises a vehicle body, a detection device, a handle, an operationpanel and four moving wheels, wherein the vehicle body is internally provided with a shock absorption mechanism and a heat dissipation mechanism, the shock absorption mechanism comprises a supportingplate, an air cylinder, two auxiliary assemblies and two shock absorption assemblies, each shock absorption assembly comprises a piston, a connecting rod, a moving plate, a shock absorption rod and two springs, and the heat dissipation mechanism comprises a refrigerating rod, a heat conducting plate, a heat dissipation pipe, a first hose and a second hose. According to the heat dissipation type geological radar detection equipment with the shock absorption function, the functions of shock absorption and buffering are realized for the detection device through the shock absorption mechanism, and the situations that the detection device vibrates excessively, normal work of the detection device is affected and that consequently the detection precision is affected are avoided; and the functionof cooling the detection device is realized through the heat dissipation mechanism, so that the detection device is prevented from being damaged due to overheating, and the safety of the geological radar detection equipment is improved.

The invention relates to a damping device, in particular to a bridge crane damping device. The bridge crane damping device can control the balance of a main beam. According to the technical scheme, the bridge crane damping device comprises a crane, and the crane comprises two walking end beams, two damping bins, a main beam, a crane car and the like; the two walking end beams are correspondingly arranged on two rails, the lower sides of the two damping bins are fixedly connected to the upper sides of the two walking end beams correspondingly, the two ends of the main beam are correspondingly arranged above the two damping bins, and the crane car is arranged on the upper side of the main beam. The effects are achieved, the crane car is controlled to lift goods, the downward movement speed of a hydraulic plug is gradually reduced from high to low, the damping and buffering functions of the main beam are achieved, and the situation that a lifting hook, a lifting rope, the crane car, the main beam and other parts are impacted and deformed or damaged, and safety accidents occur due to static inertia of the goods is avoided.

The invention relates to safety lighting equipment with a dust removal function for marine navigation. The safety lighting equipment comprises a floating plate, a base and a floodlight and further comprises a safety mechanism and a dust removal mechanism. The safety mechanism comprises an airbag and a safety assembly. The safety assembly comprises a connecting pipe, an air barrel, a piston, a movable rod, a pressing plate, a contact switch and two springs. The dust removal mechanism comprises a driving assembly, a rotary disc, an air cylinder, a nozzle, a supporting assembly and an air exhausting assembly. The safety lighting equipment with the dust removal function for marine navigation achieves a damping and buffering function through the safety mechanism, it is avoided that a ship collides with a lighted buoy to damage the lighted buoy, a dust removal function is achieved through the dust removal mechanism, and it is avoided that dust covers the floodlight to influence the lightingand navigation effect.

The invention relates to a transferring robot with an automatic unloading function and used for logistics. The transferring robot comprises a vehicle body, a tray, a supporting shaft and four wheels,and further comprises a damping mechanism and an unloading mechanism, wherein the unloading mechanism comprises an adjusting assembly, a support plate, a supporting rod, a moving assembly and a transmission assembly, the moving assembly comprises a motor, a screw rod, a fixing rod, a sliding block, a hinging rod and a first bearing, and the damping mechanism comprises a damping plate, two guidingassemblies and four damping springs. According to the transferring robot with the automatic unloading function for the logistics, the automatic unloading function is achieved through the unloading mechanism, the workload of workers is relieved, the convenience and the rapidness of unloading are improved, the damping and buffering functions on the wheels are achieved through the damping mechanism,the situation that objects in the tray fall off due to the fact that the vibration is too large is avoided, and the practicability of the intelligent robot is improved.

The invention discloses a mining vehicle hydro-pneumatic spring rear suspension system. The mining vehicle hydro-pneumatic spring rear suspension system comprises a vehicle frame and a suspension mechanism mounted on a vehicle axle. The suspension mechanism is mounted on the vehicle frame and comprises four hydro-pneumatic springs, two high-low pressure energy accumulators and a guiding mechanism.The four hydro-pneumatic springs are arranged at the two ends of an intermediate axle and a rear axle correspondingly and connected with the high-low pressure energy accumulators through oil pipes. Variation of the empty load and the full load is achieved through variation of the oil pressure; the hydro-pneumatic springs bear the vertical load; the hydro-pneumatic springs on the intermediate axleand the rear axle are inter-linked through oil pipes, and the function that a suspension is balanced is achieved; a guiding mechanism is mounted in the vehicle frame; and by means of the mining vehicle hydro-pneumatic spring rear suspension system, the problems that in the prior art, a vehicle is low in bearing capacity and comfort level, and the service life of the vehicle is short are solved.

The invention relates to the field of clutches, in particular to a clutch assembly of a crane power device. The technical problem to be solved is to provide a clutch assembly of a crane power device with rapid heat dissipation, increased contact area of ​​clutch plates and large shock absorbing stroke. The technical embodiment of the present invention is: a clutch assembly of a crane power device, including a flywheel, a friction disc, a shock absorbing mechanism, a fixed box, an extruding mechanism, a third spring and a clutch plate; the extruding mechanism is arranged in the fixed box , the fixed box is fixedly connected with the flywheel, the friction disc and the shock absorbing mechanism are respectively set to two, the flywheel and the extruding mechanism are respectively provided with a friction disc and a shock absorbing mechanism, and the two friction discs are respectively connected to the flywheel and the extruding mechanism in rotation , the two friction discs are fixedly connected with the two shock absorbing mechanisms, and the two friction discs clamp the clutch plate through the pressing force of the third spring on the pressing mechanism. The invention realizes the rotation buffering of the friction disc and the clutch plate through the damping mechanism.

The invention discloses the technical field of electrical cabinets, in particular to a floating shock-absorbing electrical cabinet for electronic information engineering. The floating shock-absorbingelectrical cabinet comprises an outer cabinet body, wherein two sets of cabinet doors are symmetrically installed on two sides of a front wall of the outer cabinet body through hinges; a display and aregulating component are embedded in a front wall of the cabinet door on the right side; the display is located above of the regulating component; the regulating component comprises an integrated board, a control key module and a loudspeaker; the control key module and the loudspeaker are installed on the integrated board; the integrated board is embedded in the cabinet door; and two sets of sliding rails are symmetrically mounted on the upper sides of the left and right side walls of an inner cavity of the outer cabinet body. The technical scheme can play a role in shock-absorbing and bufferof the cabinet body and protect the inner cabinet body through a combination of structures; the inner cabinet body can be ventilated by the unclosed structure, and the combination manner can facilitate installation.

The invention relates to rescue equipment with a reminding function. The rescue equipment comprises a main body, two power generation mechanisms and two reminding mechanisms, each power generation mechanism comprises a fixed box, a floating plate, a transmission assembly and two power generation assemblies; the transmission assembly comprises a lead screw, a ball screw bearing, a support, a transmission unit, two elastic ropes and two first bearings. The power generation assembly comprises a generator, a power generation shaft and a one-way bearing. The reminding mechanism comprises two reminding assemblies and two signal lamps. The reminding assembly comprises an annular air bag, an extrusion unit, a connecting pipe, an air cylinder and a control unit. The rescue equipment with the reminding function is provided with the power generation mechanism; the power generation function is achieved, electric energy is provided for the equipment, the cruising ability of the equipment can be prolonged, the situation that normal work of the reminding mechanism is affected due to power failure is avoided, the reliability of the equipment is improved, the signal lamp flickering function is achieved through the reminding mechanism, rescue workers can be reminded of the position of a to-be-rescued person, and the practicability of the equipment is improved.

The invention relates to a damping device, in particular to a damping device for a bridge crane. Provided is a vibration damping device for a bridge crane with a control girder balance. The technical embodiment of the present invention is: a bridge crane shock absorber, including a crane, the crane includes a traveling end beam, a shock absorber, a main girder, a crane, etc.; The end beams are respectively arranged on the two rails, and there are two shock absorbers. Above the shock chamber, the lifting truck is set on the upper side of the main girder. The effect achieved by the present invention is that by controlling the lifting truck to lift the goods, the speed of the downward movement of the hydraulic plug is slowed down step by step, and the shock absorption and buffering function of the main beam is realized. , hoisting ropes, hoisting trucks and main girders and other components cause impacts to deform or damage them, resulting in safety accidents.

The invention relates to a handling robot with automatic unloading function for logistics, which includes a car body, a pallet, a support shaft and four wheels, and also includes a shock absorbing mechanism and an unloading mechanism. The unloading mechanism includes an adjustment assembly, a support plate, Support rods, moving components and transmission components, the moving components include motors, screw rods, fixed rods, sliders, hinged rods and first bearings, the shock absorbing mechanism includes shock absorbing plates, two guide components and four damping Vibration spring, the handling robot with automatic unloading function used for logistics realizes the function of automatic unloading through the unloading mechanism, which reduces the workload of the staff and improves the convenience of unloading. The function of shock absorption and buffering can prevent the objects in the tray from falling due to excessive vibration, which improves the practicability of the intelligent robot.

A brake protection device of a gear motor comprises a protection shell, a driving motor is fixedly connected with the inner wall of the left side of the protection shell, a motor shaft is arranged at one end of the driving motor in an extending mode, a rotating shaft is fixedly connected with the output end of the motor shaft, fan blades are fixedly connected with the side wall of the rotating shaft, and a base is arranged in the protection shell. A damping mechanism is fixedly connected with the lower surface of the base, a motor base is fixedly connected with the upper surface of the base, a motor body is fixedly connected with the upper end of the motor base, a connecting base is fixedly connected with the right side of the motor body, and a connecting flange is fixedly connected with the right side of the connecting base. The output end of the motor body is fixedly connected with an output shaft, and the output shaft penetrates through the connecting base and the connecting flange and extends outwards. Heat dissipation and shock absorption protection can be performed on the brake motor so that the service life can be enhanced.

The embodiment of the invention discloses a highway bridge damping and noise reduction device. The invention belongs to the technical field of traffic facilities, the device comprises two oppositely-arranged cross beams and racks arranged on the cross beams. The racks on the two cross beams are inserted in a staggered manner; silencing seams are formed between the racks, a silencing cavity is formed below the silencing seam; the device further comprises an opening mechanism, a sound absorption plate, a buffer mechanism, a containing cavity and a rubber pad which are arranged in the silencing cavity. The upper end of the opening mechanism is fixedly connected with the lower end of the rack, the containing cavity is formed in the inner wall of the cross beam, the rubber pad is arranged in the containing cavity and extends outwards into the middle of the silencing cavity, the sound absorption plate is fixed to the inner wall of the cross beam and arranged below the rubber pad, and the buffering mechanism is arranged on the lower portion of the silencing cavity and downwardly penetrates through the rubber pad. The highway bridge expansion joint is ingenious in structural design, damping and noise reduction of the highway bridge expansion joint are achieved through cooperation of the opening mechanism, the buffering mechanism and a cross beam sliding mechanism, and the using effectof the bridge expansion joint is improved.

The invention relates to the field of clutches, in particular to a clutch assembly of a crane power device. The clutch assembly of the crane power device has the advantages that heat dissipation is rapid, the contact area of a clutch plate is increased, and the damping stroke is large. According to the technical scheme, the clutch assembly of the crane power device comprises a flywheel, friction discs, damping mechanisms, a fixing box, an extrusion mechanism, a third spring and the clutch plate; the extrusion mechanism is arranged in the fixing box, the fixing box is fixedly connected with the flywheel, the number of the friction discs and the number of the damping mechanisms are two respectively, one friction disc and one damping mechanism are arranged in the fly wheel while the other friction disc and the other damping mechanism are arranged in the extrusion mechanism, the two friction discs are rotationally connected with the flywheel and the extrusion mechanism respectively, the two friction discs are fixedly connected with the two damping mechanisms, and the two friction discs clamp the clutch plate through the extrusion force of the third spring on the extrusion mechanism. According to the clutch assembly, rotation buffering of the friction discs and the clutch plate is realized through the damping mechanisms.

The invention discloses a novel first-aid stretcher which comprises movable trays, a conveying device and a hidden infusion support. The hidden infusion support is fixedly connected with the interiorof a car body, a fixedly connected buffering device is arranged on the lower end face of the car body, and fixedly connected supporting legs are arranged on the lower end face of the buffering device.The movable trays are arranged between every two supporting legs, two handrails are arranged on the upper end face of the car body, and the conveying device fixedly connected to the right end face ofthe car body is arranged on the right side of the handrails. According to the novel first-aid stretcher, the conveying device arranged at the tail end of the car body is beneficial to delivery of a patient, and the arranged hidden infusion support is beneficial to saving space.

The invention relates to a walking aid with a protection function, which comprises a support rod and two support plates, and further comprises a protection mechanism and two reminding mechanisms. The protection mechanism comprises a button and two protection assemblies, and each protection assembly comprises a detection unit, a driving unit and two protection units. Each protection unit comprises a first air bag, a branch pipe and a plurality of first springs. Each reminding mechanism comprises a fixing disc, a first gear, a filter screen, a dust removal assembly, a rotating assembly and two limiting blocks. The walking aid with the protection function achieves the protection purpose through the protection mechanism, the safety of equipment is improved, and the function of damping and buffering the walking aid is achieved, the probability that the walking aid is damaged is reduced, the reliability of the equipment is improved; the function of reminding the medical staff that the user falls down is achieved through the reminding mechanisms, and therefore the medical staff can conveniently conduct timely rescue work on the user, and the reliability of the equipment is improved.

The invention discloses a diabolo ball structure which comprises a first round wheel and a second round wheel, the first round wheel and the second round wheel are connected through a connecting shaft, one end of the connecting shaft is fixedly connected with the bottom of the first round wheel, and the connecting shaft is inserted into the top of the second round wheel in a sliding mode; a sliding groove corresponding to the connecting shaft is formed in the top of the second round wheel, a screw rod is fixedly connected to the inner bottom of the sliding groove, the top of the screw rod penetrates through the bottom of the connecting shaft and extends upwards, and a threaded groove corresponding to the screw rod is formed in the bottom of the connecting shaft. According to the invention, through the arrangement of the adjusting mechanism, the diabolo ball can be freely adjusted according to actual use requirements, and therefore the use effect of the diabolo ball is improved.

The invention relates to road cutting equipment with a cleaning function, the road cutting equipment comprises a main body, a cutting device and four wheels, and further comprises a cleaning mechanism and a heat dissipation mechanism, the cleaning mechanism comprises a collection box, a transfer pump, a connecting pipe, a filter screen and two collection assemblies, and the heat dissipation mechanism comprises a heat dissipation pipe, a communicating pipe, a driving assembly, two dust removal plates and two rotating assemblies. The road cutting equipment with the cleaning function realizes the work of automatically cleaning a road surface through the cleaning mechanism, impurities on the road surface do not need to be manually cleaned, so that the convenience of the equipment is improved; and through the heat dissipation mechanism, the cooling and heat dissipation functions of a motor are achieved, the motor is prevented from being damaged due to overheating, the influence on cutting work is prevented, and therefore the reliability of the equipment is improved.

The invention relates to a charging pile for electric vehicles with a protective function, which includes a main body, a charging gun, a protective mechanism and an anti-collision mechanism. The anti-collision mechanism includes an anti-collision plate and four shock absorbing components. Vibrating rod, first spring and fixed plate, the protective mechanism includes a collar, connecting plate, connecting rod, connecting assembly, protective assembly, limit assembly and two transmission assemblies, the protective assembly includes a rotating shaft, a protective cover, two A connecting block and two first bearings, the electric vehicle charging pile with protective function realizes the function of shock absorption and buffering of the main body through the anti-collision mechanism, reduces the probability of the main body being damaged by impact, and improves safety. The protective mechanism realizes the shielding of the charging gun, prevents the charging gun from being corroded by rainwater, reduces the probability of damage, and improves safety.

The invention relates to polishing equipment with a shock absorption function and for a metal tool. The polishing equipment comprises a main body, a polishing disc, a handle, a driving motor, a protective cover, a shock absorption mechanism and two heat dissipation mechanisms, wherein the shock absorption mechanism comprises a moving plate, a telescopic frame, a slideway, two hinged blocks, two shock absorption blocks, two shock absorption assemblies and two auxiliary assemblies; and each heat dissipation mechanism comprises an air cylinder, a piston, a connecting rod, a connecting pipe, a hose, a first spring, a supporting shaft and a nozzle. The polishing equipment with the shock absorption function and for the metal tool has the advantages that through the heat dissipation mechanisms, the nozzles can blow air to the polishing disc, the air circulation speed around the polishing disc is accelerated, the heat dissipation function is realized, the polishing disc is prevented from beingdamaged due to overheating, the safety of the equipment is improved, the damping and buffering function of the equipment is realized through the shock absorption mechanism, the situation that the equipment cannot work normally due to excessive vibration is avoided, and thus the reliability of the equipment is improved.

A soft diabolo with a buffering effect is disclosed in the invention, and comprises a diabolo middle shaft, two diabolo end blocks are symmetrically installed on the side walls of the two ends of the diabolo middle shaft, protective sleeves are fixedly connected to the outer side walls of the two diabolo end blocks, and rubber sealing sleeves are fixedly installed on the outer side walls of the diabolo end blocks. Impact extrusion blocks are symmetrically installed on the upper side wall and the lower side wall of the diabolo end block, and the impact extrusion blocks are in sliding connection with the inner side wall of the diabolo end block. The damping and buffering functions of the shaft part of the diabolo center shaft are achieved through the matching effect of a damping mechanism, an air pressure mechanism, an inflatable air bag, the rubber sealing sleeve, ta collision extrusion block, a barrier plate, a bunch rotating wheel and a traction rope by utilizing the effect of collision force, the blowing function of air pressure and the irregular shape arrangement of the damping block air bag; and by means of the extrusion effect of air in the inflatable air bag, the inflatable protection function on the side wall of the diabolo end block is achieved while shock absorption is conducted on the side wall of the diabolo end block, and meanwhile the inflatable protection function on the side wall of the diabolo end block is achieved.

The invention relates to an electric automobile charging pile having a protection function. The electric automobile charging pile having the protection function comprises a main body, a charging gun,a protection mechanism and an anti-collision mechanism, wherein the anti-collision mechanism comprises an anti-collision plate and four damping assemblies, each damping assembly comprises a damping rod, a first spring and a fixing plate, and the protection mechanism comprises a lantern ring, a connection plate, a connection rod, a connection assembly, a protection assembly, a limiting assembly andtwo transmission assemblies, and the protection assembly comprises a rotation shaft, a protection cover, two connection blocks and two first bearings. By using the anti-collision mechanism, the electric automobile charging pile having the protection function realizes a damping and buffering function for the main body, reduces the damage probability of the main body in collision, improves safety of the main body, realizes shielding for the charging gun through the protection mechanism, prevents the charging gun from being corroded by rainwater, reduces the damage probability of the charging gun, and improves safety of the charging gun.

The invention relates to a high-stability handling device for intelligent storage, comprising a vehicle body, an operation panel and four wheels, as well as a fixing mechanism and two shock absorbing mechanisms. The fixing mechanism includes a suction cup, a fixing box, an inlet The air pipe, the air outlet pipe, the two pistons and the two driving components, the shock absorption mechanism includes a moving component, a connecting plate, a shock absorption plate and two shock absorption components. The shock-absorbing mechanism realizes the function of shock absorption and buffering, which can reduce the inertial impact force of the goods, thereby improving the stability of the goods handling. Shake and damage, improve the safety of the device.

The invention discloses a soft diabolo with cushioning effect, which comprises a diabolo central shaft, two diabolo end blocks are symmetrically installed on the side walls at both ends of the diabolo central shaft, and the outer side walls of the two diabolo end blocks are fixedly connected with Protective sleeve, the outer wall of the diabolo end block is fixedly equipped with a rubber sealing sleeve, the upper and lower side walls of the diabolo end block are symmetrically installed with impact extrusion blocks, and the impact extrusion block and the inner wall of the diabolo end block Make a sliding connection. The present invention utilizes the effect of collision force and the blowing function of air pressure and The irregular shape of the airbag of the shock-absorbing block realizes the shock-absorbing and buffering function of the central axis of the diabolo. In addition, the gas extrusion effect inside the inflated airbag is used to realize the shock-absorbing function of the side wall of the end block of the diabolo. Simultaneously, the inflation protection function to the side wall of the diabolo end block is achieved.

The invention relates to a traffic signal lamp with high safety. The traffic signal lamp comprises a main body, a support column, a control box and three signal lamps, and further comprises a buffer mechanism and a fixing mechanism, wherein the fixing mechanism comprises a suction pump, a first connecting pipe, a second connecting pipe and a suction cup, and the buffer mechanism comprises an air bag, two ventilation assemblies, two branch pipes, four buffer assemblies and a plurality of first springs. According to the traffic signal lamp with high safety, the function of fixing the position of equipment is achieved through the fixing mechanism, the stability of the equipment placed on the ground is improved, and the equipment is prevented from toppling over and being damaged, so that the reliability of the equipment is improved; and the damping and buffering functions are achieved through the buffering mechanism, so that the probability that the equipment is damaged due to the fact that the vehicle collides with the equipment is reduced so as to improve the safety of the equipment.