CN112569570A - Ice and snow sports building match place buffer stop - Google Patents

Ice and snow sports building match place buffer stop Download PDF

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Publication number
CN112569570A
CN112569570A CN202011625221.XA CN202011625221A CN112569570A CN 112569570 A CN112569570 A CN 112569570A CN 202011625221 A CN202011625221 A CN 202011625221A CN 112569570 A CN112569570 A CN 112569570A
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China
Prior art keywords
seat
roller
energy
buffer
base
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Granted
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CN202011625221.XA
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Chinese (zh)
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CN112569570B (en
Inventor
孟凡伟
刘强
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Jiamusi University
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Jiamusi University
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Priority to CN202011625221.XA priority Critical patent/CN112569570B/en
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Publication of CN112569570B publication Critical patent/CN112569570B/en
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C19/00—Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C19/00—Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor
    • A63C19/06—Apparatus for setting-out or dividing courts
    • A63C19/08—Mechanical means for marking-out
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • E01F15/145—Means for vehicle stopping using impact energy absorbers
    • E01F15/148—Means for vehicle stopping using impact energy absorbers mobile arrangements
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C19/00—Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor
    • A63C19/06—Apparatus for setting-out or dividing courts
    • A63C19/08—Mechanical means for marking-out
    • A63C2019/085—Fences; Nets; Barriers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

The utility model provides an ice and snow sports building match place buffer stop, which comprises a base, the transition apron, the chain, the energy-absorbing seat, the roller, the energy-absorbing plate, the roller seat, the PU drum shaft, the sponge cylinder, the buffer board, the buffer seat, hydraulic buffer, a slide rail, the base right side, from the past backward set gradually a plurality of slide rails, slide rail fixed connection base, every slide rail left side sets up the energy-absorbing seat, energy-absorbing seat fixed connection base, energy-absorbing seat upper portion sets up the apron, apron fixed connection energy-absorbing seat, from left to right a plurality of lid holes have in proper order in the middle of the apron, energy-absorbing seat bottom from left to right has a plurality of seatholes, every lid hole corresponds a seathole, corresponding lid hole and seathole coaxial line, the lid hole that corresponds and the inside roller that sets.

Description

Ice and snow sports building match place buffer stop
Technical Field
The invention relates to the field of ice and snow sports, in particular to an anti-collision device for an ice and snow sports building competition field.
Background
At ice and snow sports building match place, the sportsman often dashes out the race place because out of control, hits the architectural equipment, causes the injury, and the anticollision measure of ice and snow sports race place is fairly simple at present, does not have effectual anticollision and buffer, can not effectively alleviate the injury that the collision caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an anti-collision device for an ice and snow sports building competition field.
The purpose of the invention is realized by the following technical scheme:
an anti-collision device for ice and snow sports building competition fields comprises a base, a transition cover plate, a chain, an energy absorption seat, a roller, an energy absorption plate, a roller seat, a PU roller shaft, a sponge roller, a buffer plate, a buffer seat, a hydraulic buffer and a first sliding rail, wherein the right side of the base is sequentially provided with a plurality of first sliding rails from front to back, the first sliding rails are fixedly connected with the base, the left side of each first sliding rail is provided with the energy absorption seat, the energy absorption seat is fixedly connected with the base, the upper part of the energy absorption seat is provided with the cover plate which is fixedly connected with the energy absorption seat, the middle of the cover plate is sequentially provided with a plurality of cover holes from left to right, the bottom of the energy absorption seat is provided with a plurality of seat holes from left to right, each cover hole corresponds to one seat hole, the corresponding cover holes and seat holes are coaxial, the roller is arranged in the corresponding cover holes and seat holes, the energy-absorbing seat left and right sides has the side seam, set up the energy-absorbing board in the middle of the roller, the energy-absorbing board passes from left side seam, walk around every roller semi-cycle in proper order with the S-shaped, then wear out from right side seam, the energy-absorbing board right side has the connection piece, the connection piece right side sets up the cushion socket, connection piece fixed connection cushion socket left side, the cushion socket lower part sets up a slide rail, a spout has in the middle of the slide rail, a spout sliding connection cushion socket, the cushion socket slides in a spout.
The upper part of the buffer seat is provided with a second sliding rail, the left side surface of the second sliding rail is fixedly connected with a sealing plate, the left side of the sealing plate is provided with a fixing ring, the fixing ring is fixedly connected with one side of a chain, the other side of the chain is fixedly connected with another adjacent fixing ring, the middle of the second sliding rail is provided with a second sliding groove, the middle of the second sliding groove is provided with a roller seat, the roller seat is slidably connected with the second sliding groove, the roller seat slides in the second sliding groove, the upper part of the roller seat is provided with a chassis, the upper part of the chassis is provided with a PU roller shaft, the outer side of the PU roller shaft is provided with a sponge roller, the middle of the sponge roller is provided with a central hole, the central hole is rotatably connected with the PU roller shaft, the central hole rotates around the PU roller shaft, the rear side of the central hole is provided, four guide holes are formed in the periphery of the vertical plate, guide rods are connected with the guide holes in a sliding mode and slide in the guide holes, a hydraulic buffer is arranged in the middle of the middle hole, and the hydraulic buffer is fixedly connected with the middle hole.
Has the advantages that:
the invention takes effective measures from a plurality of angles of slowing down the impact and changing the impact direction, basically prevents the injury to athletes caused by collision, and has high safety when being installed around the field when in use. The energy absorption plate is characterized by comprising a base, a plurality of first sliding rails are sequentially arranged from front to back, the first sliding rails are fixedly connected with the base, the first sliding rails are uniformly distributed along the periphery of a field and are distributed all around the field, the distance is determined according to a sponge roller, no gap exists between the sponge rollers, the energy absorption plate moves forwards along an S shape through a roller, continuous plastic deformation can be generated, deformation resistance can be generated during plastic deformation according to the rule of metal plastic deformation, a large amount of external energy needs to be absorbed, a connecting sheet is arranged on the right side of the energy absorption plate, a buffer seat is arranged on the right side of the connecting sheet, the connecting sheet is fixedly connected with the left side of the buffer seat, the first sliding rail is arranged on the lower portion of the buffer seat, a first sliding groove is arranged in the middle of the first sliding rail, the first sliding groove is slidably connected with the buffer seat, the buffer seat slides in, the impact capacity is from the impact of the athlete, the impact capacity can be consumed by the plastic deformation of the energy absorption plate, the purpose of slowing down the impact is achieved, the buffer seat is a sliding block and a sliding rail, on one hand, the roller seat can slide in the buffer seat, and on the other hand, the buffer seat per se slides along the sliding rail I.
The shrouding prevents that the roller seat breaks away from the buffer seat, link together adjacent buffer seat simultaneously with the chain, the sportsman dashes out the sports ground, when dashing around the place, can meet the sponge cylinder and block, the sponge cylinder adopts soft cavernosum material, the cavernosum can warp and absorb certain energy, slow down the impact force, PU cylinder axle is the material that elasticity is good simultaneously, further warp, the absorbed energy, cushion the impact force, play the guard action to the sportsman, when the sportsman strikes the sponge cylinder, can promote the roller seat to slide right along No. two spouts in the middle of the buffer seat, the centre bore right side sets up the arc surface, the arc surface moves right side together, when the arc surface moves right side, can contact the hydraulic buffer, the hydraulic buffer utilizes the damping principle of hydraulic oil to consume a large amount of kinetic energy about, can carry out the third absorption to sportsman's impact, the impact force to the athlete is further buffered, when the athlete contacts the sponge roller from the side, the sponge roller is generally driven to rotate, the impact direction of the athlete can be changed by the rotation of the sponge roller, when the motion direction is changed, the direction is changed according to an impulse formula F, T, V instead of being rapidly reduced, the impact force is greatly reduced, the athlete can be protected to the maximum, if the front impact occurs, and the impact force is larger, or when several athletes impact simultaneously, the buffer seat can be pushed to the right, at the moment, the energy absorption plate can be pulled, the impact energy of the athlete can be greatly consumed in the pulling process of the energy absorption plate, the final protection effect is achieved, the energy absorption plate can be pulled under the condition that the impact force is larger, the pulling force can be adjusted by increasing or decreasing the number of rollers, and the excessive pulling force is prevented, so that the athlete is damaged, adjacent buffer seat is linked together by the chain, moves the certain distance back towards the right side when one of them buffer seat, can drive adjacent buffer seat and move together, prevents to produce too big space in the middle of buffer seat and the adjacent buffer seat that remove earlier, blocks the sportsman, also because the participation of adjacent energy-absorbing board simultaneously, absorbs the energy of assaulting stronger, sportsman's impact force can reduce greatly.
The invention can reduce the sport impact and prevent the injury to the athletes from the following aspects: firstly, the sponge roller adopts a soft sponge body, the sponge body deforms greatly and absorbs certain energy, the rigid impact force when the athlete just starts to collide is larger, the flexible large deformation directly reduces the injury to the athlete, secondly, a PU roller shaft adopts a PU material with good elasticity, the PU roller shaft further deforms, absorbs the energy and buffers the impact force, thirdly, a hydraulic buffer consumes a large amount of kinetic energy left and right by damping of hydraulic oil, the impact energy of the athlete is greatly reduced, the common collision and impact can be absorbed and buffered basically, fourthly, the impact direction of the athlete is changed by using the rotation of the sponge roller to reduce the impact force, according to an impulse formula F T =deltaMV, under the condition that the speed is not changed, the impact force is very small, and the absorbed and buffered energy is changed by the deformation to reduce the speed, thereby reducing the impact force, so the impact force can be more obviously reduced by changing the direction by means of the rotation, the injury to athletes is greatly reduced, and the principle that metal continuous plastic deformation is utilized to absorb a large amount of external energy is utilized to buffer and finally protect the occasions with large impact force or collision of multiple persons, so that the safety is high.
Drawings
Fig. 1 is a schematic view of the overall structure of the anti-collision device for the ice and snow sports building competition field.
Fig. 2 is a schematic view of the internal structure of the anti-collision device for the ice and snow sports building competition field.
Fig. 3 is a schematic structural view of a collision avoidance device unit according to the present invention.
FIG. 4 is a schematic view of an energy absorber according to the present invention.
FIG. 5 is a schematic view of a connection structure of an energy absorber according to the present invention.
Fig. 6 is a schematic view of a connection structure of the buffer seat according to the present invention.
Fig. 7 is a schematic structural diagram of a roller base according to the present invention.
Fig. 8 is a schematic view of a buffer seat structure according to the present invention.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples:
an anti-collision device for ice and snow sports building competition fields comprises a base 01, a transition cover plate 11, a chain 12, an energy absorption seat 02, rollers 23, an energy absorption plate 25, a roller seat 03, a PU roller shaft 32, a sponge roller 33, a buffer plate 04, a buffer seat 05, a hydraulic buffer 58 and a first sliding rail 06, wherein the right side of the base 01 is sequentially provided with a plurality of first sliding rails 06 from front to back, the first sliding rails 06 are fixedly connected with the base 01, the left side of each first sliding rail 06 is provided with the energy absorption seat 02, the energy absorption seat 02 is fixedly connected with the base 01, the upper part of the energy absorption seat 02 is provided with a cover plate 27, the cover plate 27 is fixedly connected with the energy absorption seat 02, the middle of the cover plate 27 is sequentially provided with a plurality of cover holes 28 from left to right, the bottom of the energy absorption seat 02 is provided with a plurality of seat holes 21 from left to right, each cover hole 28 corresponds to one seat hole 21, roll shaft 24 has in the middle of roller 23, roll shaft 24 rotates and connects corresponding lid hole 28 and seat hole 21, roll shaft 24 rotates in lid hole 28 and seat hole 21, the energy-absorbing seat 02 left and right sides has side seam 22, set up energy-absorbing plate 25 in the middle of roller 23, energy-absorbing plate 25 passes from left side seam 22, walk around every roller 23 half week in proper order with the S-shaped, then wear out from right side seam 22, energy-absorbing plate 25 right side has connection piece 26, connection piece 26 right side sets up buffer retainer 05, connection piece 26 fixed connection buffer retainer 05 left side, buffer retainer 05 lower part sets up No. one slide rail 06, No. one slide rail 06 has a spout 61 in the middle, No. one spout 61 sliding connection buffer retainer 05, buffer retainer 05 slides in a spout 61.
The upper part of the buffer seat 05 is provided with a second sliding rail 51, the left side surface of the second sliding rail 51 is fixedly connected with a sealing plate 56, the left side of the sealing plate 56 is provided with a fixing ring 57, the fixing ring 57 is fixedly connected with one side of the chain 12, the other side of the chain 12 is fixedly connected with another adjacent fixing ring 57, the middle of the second sliding rail 51 is provided with a second sliding groove 52, the middle of the second sliding groove 52 is provided with a roller seat 03, the roller seat 03 is slidably connected with the second sliding groove 52, the roller seat 03 slides in the second sliding groove 52, the upper part of the roller seat 03 is provided with a chassis 31, the upper part of the chassis 31 is provided with a PU roller shaft 32, the outer side of the PU roller shaft 32 is provided with a sponge roller 33, the middle of the sponge roller 33 is provided with a central hole 34, the central hole 34 is rotatably connected with the PU roller shaft 32, the central hole 34 rotates around the PU roller shaft, the central hole 34 rotates in the arc surface 41, the middle of the buffer seat 05 is provided with a vertical plate 53, the middle of the vertical plate 53 is provided with four middle holes 54, the periphery of the vertical plate 53 is provided with four guide holes 55, the guide rod 42 is connected with the guide holes 55 in a sliding mode, the guide rod 42 slides in the guide holes 55, the middle of the middle hole 54 is provided with a hydraulic buffer 58, and the hydraulic buffer 58 is fixedly connected with the middle hole 54.
The roller bearing comprises a base 01, a plurality of first sliding rails 06 are sequentially arranged on the right side of the base 01 from front to back, the first sliding rails 06 are fixedly connected with the base 01, the first sliding rails 06 are uniformly distributed around the field, the whole field is full of the first sliding rails 06, the distance is determined according to a sponge roller 33, the sponge roller 33 is ensured not to have a gap, an energy absorption seat 02 is arranged on the left side of each first sliding rail 06, the energy absorption seat 02 is fixedly connected with the base 01, a cover plate 27 is arranged on the upper portion of the energy absorption seat 02, the cover plate 27 is fixedly connected with the energy absorption seat 02, a plurality of cover holes 28 are sequentially arranged in the middle of the cover plate 27 from left to right, a plurality of seat holes 21 are arranged at the bottom of the energy absorption seat 02 from left to right, each cover hole 28 corresponds to one seat hole 21, the corresponding cover holes 28 and seat holes 21 are coaxial, rollers 23 are arranged in the corresponding cover holes 28 and seat holes 21, the left side and the right side of the energy-absorbing seat 02 are provided with side seams 22, the energy-absorbing plate 25 is arranged in the middle of the roller 23, the energy-absorbing plate 25 penetrates through the left side seam 22 and sequentially bypasses each roller 23 for half circle in an S shape and then penetrates out from the right side seam 22, the energy-absorbing plate 25 moves forwards along the S shape through the roller 23 and can generate continuous plastic deformation, resistance to deformation can be generated during plastic deformation according to the rule of metal plastic deformation, a large amount of external energy needs to be absorbed, the right side of the energy-absorbing plate 25 is provided with a connecting sheet 26, the right side of the connecting sheet 26 is provided with a buffer seat 05, the connecting sheet 26 is fixedly connected with the left side of the buffer seat 05, the lower part of the buffer seat 05 is provided with a first sliding rail 06, the middle of the first sliding rail 06 is provided with a first sliding groove 61, the first sliding groove 61 is slidably connected with the buffer seat 05, the buffer seat 05 slides in the first, the ability comes from the impact of sportsman, and impact capacity can be consumed by the plastic deformation of energy-absorbing plate 25, reaches the purpose of slowing down the impact, and buffer seat 05 both is the slider and also is the slide rail, and drum seat 03 can slide wherein on the one hand, and on the other hand buffer seat 05 itself slides along a slide rail 06, and the effectual reduction slows down impact absorption energy.
Buffer seat 05 upper portion has No. two slide rails 51, No. two slide rails 51 left surface fixed connection shrouding 56, shrouding 56 left side has solid fixed ring 57, gu fixed ring 57 fixed connection chain 12 one side, chain 12 other side fixed connection adjacent another solid fixed ring 57, shrouding 56 prevents that roller seat 03 breaks away from buffer seat 05, simultaneously with chain 12 link up adjacent buffer seat 05 the sportsman rush out the sports ground, when dashing to around the ground, can meet sponge cylinder 33 and block, sponge cylinder 33 adopts soft cavernosum material, the cavernosum can be out of shape and absorb certain energy, slow down the impact force, PU roller shaft 32 is the material that elasticity is good too simultaneously, further warp, the absorbed energy, cushion the impact force, play the guard action to the sportsman, when sportsman clashes sponge cylinder 33, can promote roller seat 03 to slide along buffer seat 05 middle No. two spout 52 to the right, the arc surface 41 is arranged on the right side of the central hole 34, the arc surface 41 moves to the right side together, when the arc surface 41 moves to the right side, the hydraulic buffer 58 is contacted, the hydraulic buffer 58 consumes a large amount of kinetic energy left and right by utilizing the damping principle of hydraulic oil, impact of a player can be absorbed for the third time, impact force to the player is further buffered, when the player contacts the sponge roller 33 from the side, the sponge roller 33 is generally driven to rotate, the impact direction of the player can be changed by the rotation of the sponge roller 33, when the movement direction is changed, the direction is changed according to the impulse formula F T =DeltaMV, V instead of being rapidly reduced, the impact force is greatly reduced, the maximum protection effect can be achieved on the player, when the impact force is large, or when a plurality of players impact simultaneously, the buffer seat 05 can be pushed to the right side, energy-absorbing board 25 can be pulled this moment, athlete's impact energy can be consumed greatly to energy-absorbing board 25 pulling in-process, play final guard action, energy-absorbing board 25 just can be pulled under the great condition of impact force, can adjust the pulling force through the quantity that increases and decreases roller 23, prevent that the pulling force is too big, thereby damage the sportsman, adjacent buffer seat 05 is linked together by chain 12, after one of them buffer seat 05 moved the certain distance to the right side, can pull adjacent buffer seat 05 and move together, buffer seat 05 that prevents to remove earlier and the too big space of production in the middle of the adjacent buffer seat 05, block the sportsman, also because adjacent energy-absorbing board 25's participation simultaneously, the energy of absorbing the impact is stronger, athlete's impact force can reduce greatly.
The invention can reduce the sport impact and prevent the injury to the athletes from the following aspects: firstly, the sponge roller 33 adopts a soft sponge body, the sponge body deforms greatly and absorbs certain energy, the rigid impact force when the athlete just starts to collide is larger, the flexible large deformation directly reduces the injury to the athlete, secondly, the PU roller shaft 32 adopts PU material with good elasticity, the PU roller shaft further deforms, absorbs the energy and buffers the impact force, thirdly, the hydraulic buffer 58 consumes a large amount of kinetic energy left and right by utilizing the damping of hydraulic oil, the impact energy of the athlete is greatly reduced, the common collision and impact can be absorbed and buffered basically, fourthly, the impact direction of the athlete is changed by utilizing the rotation of the sponge roller 33 to reduce the impact force, according to an impulse formula F T =deltaMV, the impact force is very small under the condition that the speed is not changed, the speed change is reduced by the deformation, so the impact force is reduced, and the impact force can be more obviously reduced by changing the direction through the rotation, the invention takes effective measures from a plurality of angles of slowing down impact and changing the impact direction, basically eliminates the injury to the athletes caused by the impact, and can be installed around the field when in use.

Claims (2)

1. An anti-collision device for ice and snow sports building competition fields is characterized by comprising a base, a transition cover plate, a chain, an energy absorption seat, a roller, an energy absorption plate, a roller seat, a PU roller shaft, a sponge roller, a buffer plate, a buffer seat, a hydraulic buffer and a first sliding rail, wherein the right side of the base is sequentially provided with a plurality of first sliding rails from front to back, the first sliding rails are fixedly connected with the base, the left side of each first sliding rail is provided with the energy absorption seat, the energy absorption seat is fixedly connected with the base, the upper part of the energy absorption seat is provided with the cover plate which is fixedly connected with the energy absorption seat, the middle of the cover plate is sequentially provided with a plurality of cover holes from left to right, the bottom of the energy absorption seat is provided with a plurality of seat holes from left to right, each cover hole corresponds to one seat hole, the corresponding cover holes and seat holes are coaxial, the roller is arranged in the corresponding cover holes and seat, the energy-absorbing seat left and right sides has the side seam, set up the energy-absorbing board in the middle of the roller, the energy-absorbing board passes from left side seam, walk around every roller semi-cycle in proper order with the S-shaped, then wear out from right side seam, the energy-absorbing board right side has the connection piece, the connection piece right side sets up the cushion socket, connection piece fixed connection cushion socket left side, the cushion socket lower part sets up a slide rail, a spout has in the middle of the slide rail, a spout sliding connection cushion socket, the cushion socket slides in a spout.
2. The anti-collision device for the ice and snow sports building competition field according to claim 1, wherein the upper portion of the buffer base is provided with a second sliding rail, the left side surface of the second sliding rail is fixedly connected with a sealing plate, the left side of the sealing plate is provided with a fixing ring fixedly connected with one side of a chain, the other side of the chain is fixedly connected with another adjacent fixing ring, a second sliding groove is formed in the middle of the second sliding rail, a roller base is arranged in the middle of the second sliding groove, the roller base is slidably connected with the second sliding groove, the roller base slides in the second sliding groove, the upper portion of the roller base is provided with a chassis, the upper portion of the chassis is provided with a PU roller shaft, a sponge roller is arranged outside the PU roller shaft, a central hole is formed in the middle of the sponge roller, the central hole is rotatably connected with the PU roller shaft, the central hole rotates around, the center hole rotates in the arc surface, the middle of the buffer seat is provided with a vertical plate, the middle of the vertical plate is provided with four middle holes, the periphery of the vertical plate is provided with four guide holes, the guide rod is connected with the guide holes in a sliding mode and slides in the guide holes, the middle of the middle holes is provided with a hydraulic buffer, and the hydraulic buffer is fixedly connected with the middle holes.
CN202011625221.XA 2020-12-31 2020-12-31 Ice and snow sports building match place buffer stop Active CN112569570B (en)

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CN112569570B CN112569570B (en) 2022-11-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113914165A (en) * 2021-10-25 2022-01-11 西安邮电大学 Highway side direction bearing structure

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