阅读说明：本技术 桥墩防撞装置及使用方法 (Pier anti-collision device and using method ) 是由 黄平平 钱宇航 于 2020-12-30 设计创作，主要内容包括：本发明公开了桥墩防撞装置及使用方法,属于桥墩防护技术领域,包括缓冲箱,所述缓冲箱的正面固定连接有两个相对称的弧形块,两个所述弧形块远离缓冲箱的一端均铰接有弧形板,两个所述弧形板远离弧形块的一端分别固定连接有第一固定块和第二固定块,所述第一固定块的正面设置有固定组件,两个所述弧形板之间安装有两个相对称的夹持组件,所述缓冲箱的内壁开设有两个相对称的滑槽,所述缓冲箱的内部设有承载板。本发明中,通过第一弹性片、橡胶层、吸能箱、承载板、第一缓冲组件以及第二缓冲组件的设置,能够提高该装置的缓冲效果,使得该装置的缓冲和减震能力得到提高,能够对桥墩起到有效的防护,避免桥墩出现损坏。(The invention discloses a pier collision avoidance device and a use method, belongs to the technical field of pier protection, and comprises a buffer box, wherein the front surface of the buffer box is fixedly connected with two symmetrical arc-shaped blocks, the ends of the two arc-shaped blocks, which are far away from the buffer box, are hinged with arc-shaped plates, the ends of the two arc-shaped plates, which are far away from the arc-shaped blocks, are respectively and fixedly connected with a first fixed block and a second fixed block, the front surface of the first fixed block is provided with a fixed assembly, two symmetrical clamping assemblies are arranged between the two arc-shaped plates, the inner wall of the buffer box is provided with two symmetrical sliding grooves, and a bearing plate is arranged inside the. According to the device, the first elastic sheet, the rubber layer, the energy absorption box, the bearing plate, the first buffer assembly and the second buffer assembly are arranged, so that the buffer effect of the device can be improved, the buffer and shock absorption capacity of the device is improved, the bridge pier can be effectively protected, and the bridge pier is prevented from being damaged.)

1. The anti-collision device for the bridge pier comprises a buffer box (1) and is characterized in that the front of the buffer box (1) is fixedly connected with two symmetrical arc-shaped blocks (2), one ends, far away from the buffer box (1), of the two arc-shaped blocks (2) are hinged with arc-shaped plates (3), one ends, far away from the arc-shaped blocks (2), of the two arc-shaped plates (3) are respectively and fixedly connected with a first fixed block (4) and a second fixed block (5), the front of the first fixed block (4) is provided with a fixed assembly (6), two symmetrical clamping assemblies (7) are installed between the two arc-shaped plates (3), the inner wall of the buffer box (1) is provided with two symmetrical sliding grooves (9), a bearing plate (8) is arranged inside the buffer box (1), and the two ends of the bearing plate (8) are respectively and slidably connected with the inner walls of the two sliding grooves (, install two sets of symmetrical first buffer unit (13) between the front of loading board (8) and the inner wall of buffer box (1), the inside of buffer box (1) is provided with second buffer unit (14), the back fixedly connected with energy-absorbing box (10) of loading board (8), the first flexure strip of one end fixedly connected with (11) of loading board (8) is kept away from in energy-absorbing box (10), it has rubber layer (12) to fill between first flexure strip (11) and energy-absorbing box (10), access door (15) are installed through a set of screw to the upper surface of buffer box (1).

2. The anti-collision device for piers according to claim 1, wherein the fixing assembly (6) comprises a first circular groove (601) and a first clamping groove (602), the first circular groove (601) is arranged on the front surface of a first fixing block (4), the first clamping groove (602) is arranged on the front surface of a second fixing block (5), a limiting plate (603) is slidably connected to the inner wall of the first circular groove (601), a first tension spring (604) is fixedly connected between the back surface of the limiting plate (603) and the inner wall of the first circular groove (601), a U-shaped clamping rod (605) is fixedly connected to the front surface of the limiting plate (603), one end of the U-shaped clamping rod (605), which is far away from the first circular groove (601), extends into the first clamping groove (602), a second clamping groove (606) is arranged on the outer surface of the U-shaped clamping rod (605), a sliding hole (607) is arranged on the inner wall of the first clamping groove (602), the inside sliding connection of sliding hole (607) has gag lever post (608), the left end of gag lever post (608) and the inner wall looks joint of second draw-in groove (606), the right-hand member fixedly connected with pulling plate (609) of gag lever post (608), the left surface fixedly connected with of pulling plate (609) has a set of second extension spring (610), and the left end of second extension spring (610) and the right flank fixed connection of second fixed block (5).

3. The anti-collision device for the bridge pier as claimed in claim 1, wherein the clamping assembly (7) comprises a threaded hole (701) and two sliding cylinders (703), the threaded hole (701) is formed in the arc-shaped plate (3), the two sliding cylinders (703) are fixedly embedded in the arc-shaped plate (3), a threaded rod (702) is connected to the inner wall of the threaded hole (701) in a threaded manner, a clamping plate (704) is rotatably connected to one end of the threaded rod (702), a rubber pad (705) is fixedly connected to one side face, far away from the threaded rod (702), of the clamping plate (704), a first guide rod (706) is slidably connected to the inner wall of the two sliding cylinders (703), and one end, far away from the sliding cylinder (703), of the first guide rod (706) is fixedly connected to the outer surface of the clamping plate (704).

4. The anti-collision device for the bridge pier as claimed in claim 1, wherein the first buffer assembly (13) comprises a second circular groove (131), the second circular groove (131) is arranged on the inner side wall of the buffer box (1), two symmetrical limiting grooves (133) are formed in the inner wall of the second circular groove (131), a connecting rod (132) is arranged inside the second circular groove (131), the connecting rod (132) is slidably connected with the inner wall of the limiting grooves (133) through a slider, a first spring (134) is fixedly connected between the connecting rod (132) and the inner wall of the second circular groove (131), one end, far away from the first spring (134), of the connecting rod (132) penetrates through the second circular groove (131) and extends to the inside of the buffer box (1), one end, far away from the second circular groove (131), of the connecting rod (132) is fixedly connected with a connecting plate (135), and one side, far away from the connecting plate (135), of the connecting rod (132) is hinged with two connecting strips (136), two one end that connecting strip (136) kept away from connecting plate (135) is articulated mutually with the front of loading board (8) and the inner wall of buffer tank (1) respectively, two a side fixedly connected with second flexure strip (137) that connecting strip (136) are close to each other.

5. The anti-collision device for the bridge pier as claimed in claim 1, wherein the second buffer assembly (14) comprises a box body (141), the box body (141) is fixedly connected to the inner wall of the buffer box (1), a piston plate (142) is slidably connected to the inner wall of the box body (141), a set of piston rods (143) is fixedly connected to the back of the piston plate (142), one ends of the piston rods (143), far away from the piston plate (142), penetrate through the inner wall of the box body (141) and are fixedly connected with the front surface of the bearing plate (8), the outer surface of each piston rod (143) is in sealing contact with the back surface of the box body (141), a second spring (145) is sleeved on the outer surface of each piston rod (143), two ends of each second spring (145) are respectively fixedly connected with the front surface of the bearing plate (8) and the back surface of the box body (141), a set of damping holes (144) are formed in the piston plate (, the interior of the case (141) is filled with damping oil (146).

6. The anti-collision device for piers according to claim 1, wherein two sets of second guide rods (16) are slidably connected to the inside of the bearing plate (8), both ends of the second guide rods (16) are fixedly connected to the inner wall of the sliding chute (9), the outer surface of each second guide rod (16) is sleeved with a third spring (17), and both ends of the third spring (17) are fixedly connected to the front surface of the bearing plate (8) and the inner wall of the sliding chute (9), respectively.

7. The use method of the pier collision prevention device according to any one of claims 1 to 6, comprising the steps of:

s1, firstly, opening the two arc-shaped plates (3), placing a pier to be protected between the two arc-shaped plates (3), then closing the two arc-shaped plates (3), enabling the first fixing block (4) and the second fixing block (5) to be close to each other, enabling one end of a U-shaped clamping rod (605) to be clamped with the inner wall of a first clamping groove (602) under the action of a first tension spring (604), enabling one end of a limiting rod (608) to be clamped with the inner wall of a second clamping groove (606) under the action of a second tension spring (610), limiting the U-shaped clamping rod (605), and positioning the two arc-shaped plates (3);

s2, rotating the threaded rod (702), wherein under the matched arrangement of the threaded rod (702) and the threaded hole (701), the rotating threaded rod (702) can drive the clamping plate (704) and the rubber pad (705) to approach to the pier under the guiding action of the first guide rod (706), so that the clamping of the pier can be realized, and the device can be installed on the pier;

s3, when the device needs to be disassembled and maintained, the pulling plate (609) is pulled outwards firstly, the pulling plate (609) can drive the limiting rod (608) to move, the left end of the limiting rod (608) can be separated from the inner wall of the second clamping groove (606), the limiting on the U-shaped clamping rod (605) is relieved, then the U-shaped clamping rod (605) is pulled outwards, one end of the U-shaped clamping rod (605) can be separated from the inner wall of the first clamping groove (602), the limiting on the two arc-shaped plates (3) can be relieved, and the disassembly of the device is completed;

s4, when the device is impacted by a vehicle, the impact force generated by the impact can firstly deform the first elastic sheet (11), and the kinetic energy generated by the impact force can be consumed under the combined action of the first elastic sheet (11) and the rubber layer (12), so that the impact force can be buffered to a certain extent;

s5, impact force is transmitted to the bearing plate (8) through the energy absorption box (10), the bearing plate (8) moves, so that the two connecting strips (136) can move, the second elastic piece (137) can deform, the impact force is further buffered, the two connecting strips (136) move to push the connecting plate (135) and the connecting rod (132) to move, and the connecting rod (132) moves to enable the first spring (134) to compress and the impact force can be buffered again;

s6, the bearing plate (8) can drive the piston rod (143) to move while moving, the second spring (145) can be compressed, the impact force is buffered, the piston rod (143) drives the piston plate (142) to move in the box body (141), and through the arrangement of the damping hole (144) and the damping oil (146), the damping oil (146) can consume kinetic energy generated by impact force when passing through the damping hole (144).

Technical Field

The invention belongs to the technical field of pier protection, and particularly relates to a pier anti-collision device and a use method thereof.

Background

The bridge pier is a sub-building for supporting a bridge span structure and transmitting constant load and vehicle live load to a foundation, the bridge abutments are arranged on two sides of the bridge, the bridge piers are arranged between the two bridge abutments, along with the vigorous development of the transportation industry, the demand of urban overpasses and high-speed railway lines is increased, along with the increase of the collision accidents of the axles, serious direct and indirect losses are caused, and therefore an anti-collision device for reducing collision injuries is arranged at the bridge pier position of the bridge.

When suffering vehicle striking, current buffer stop is not good to the buffering effect of the impact force that vehicle striking produced, and buffering and shock-absorbing capacity remain to be improved, can not play effectual protection to the pier, cause the damage of pier easily, and in addition, current pier buffer stop is installed on the pier through the bolt mostly, and is not very convenient when installation and dismantlement, influences buffer stop's result of use.

Disclosure of Invention

The invention aims to: in order to solve the problems that when an existing anti-collision device is impacted by a vehicle, the buffering effect of impact force generated by vehicle impact is poor, the buffering and damping capacity is required to be improved, the pier cannot be effectively protected, and the pier is easily damaged, in addition, the existing pier anti-collision device is mostly installed on the pier through bolts, is not convenient to install and disassemble, and influences the use effect of the anti-collision device, and the provided pier anti-collision device and the use method are provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

the pier collision avoidance device comprises a buffer box, wherein the front surface of the buffer box is fixedly connected with two symmetrical arc-shaped blocks, one ends of the two arc-shaped blocks, which are far away from the buffer box, are hinged with arc-shaped plates, one ends of the two arc-shaped plates, which are far away from the arc-shaped blocks, are respectively fixedly connected with a first fixed block and a second fixed block, the front surface of the first fixed block is provided with a fixed assembly, two symmetrical clamping assemblies are arranged between the two arc-shaped plates, the inner wall of the buffer box is provided with two symmetrical sliding grooves, a bearing plate is arranged inside the buffer box, the two ends of the bearing plate are respectively in sliding connection with the inner walls of the two sliding grooves, two groups of symmetrical first buffer assemblies are arranged between the front surface of the bearing plate and the inner wall of the buffer box, a second buffer assembly is arranged inside the buffer, one end, far away from the bearing plate, of the energy absorption box is fixedly connected with a first elastic sheet, a rubber layer is filled between the first elastic sheet and the energy absorption box, and an access door is installed on the upper surface of the buffer box through a group of screws.

As a further description of the above technical solution:

the fixing component comprises a first circular groove and a first clamping groove, the first circular groove is arranged on the front surface of the first fixing block, the first clamping groove is arranged on the front surface of the second fixing block, the inner wall of the first circular groove is connected with a limiting plate in a sliding manner, a first tension spring is fixedly connected between the back surface of the limiting plate and the inner wall of the first circular groove, a U-shaped clamping rod is fixedly connected with the front surface of the limiting plate, one end of the U-shaped clamping rod, which is far away from the first circular groove, extends to the inside of the first clamping groove, the outer surface of the U-shaped clamping rod is provided with a second clamping groove, the inner wall of the first clamping groove is provided with a sliding hole, the inside of the sliding hole is connected with a limiting rod in a sliding way, the left end of the limiting rod is clamped with the inner wall of the second clamping groove, the right end of the limiting rod is fixedly connected with a pulling plate, the left side face of the pulling plate is fixedly connected with a group of second tension springs, and the left ends of the second tension springs are fixedly connected with the right side face of the second fixing block.

As a further description of the above technical solution:

the centre gripping subassembly includes screw hole and two slide cartridge, the screw hole is seted up in the inside of arc, two the equal fixed the inlaying in the inside of arc of slide cartridge, the inner wall threaded connection of screw hole has the threaded rod, the one end of threaded rod is rotated and is connected with the grip block, a side fixedly connected with rubber pad, two of threaded rod is kept away from to the grip block the equal sliding connection of inner wall of slide cartridge has first guide bar, and the fixed surface of the one end of slide cartridge and grip block is connected is kept away from to first guide bar.

As a further description of the above technical solution:

first buffering subassembly includes the second circular slot, the inside wall at the baffle-box is seted up to the second circular slot, two symmetrical spacing grooves have been seted up to the inner wall of second circular slot, the inside of second circular slot is equipped with the connecting rod, and the connecting rod passes through the inner wall sliding connection of slider and spacing groove, the first spring of fixedly connected with between the inner wall of connecting rod and second circular slot, the one end that first spring was kept away from to the connecting rod runs through the second circular slot and extends to the inside of baffle-box, the one end fixedly connected with connecting plate of second circular slot is kept away from to the connecting rod, a side that the connecting rod was kept away from to the connecting plate articulates there are two connecting strips, two the connecting strip is kept away from the one end of connecting plate and is articulated mutually with the front of loading board and the inner wall of baffle-box respectively, two a side fixedly connected with second flexure strip that.

As a further description of the above technical solution:

the second buffer assembly comprises a box body, the box body is fixedly connected to the inner wall of the buffer box, the inner wall of the box body is slidably connected with a piston plate, the back face of the piston plate is fixedly connected with a group of piston rods, one ends, far away from the piston plate, of the piston rods penetrate through the inner wall of the box body and are fixedly connected with the front face of the bearing plate, the outer surface of each piston rod is in sealing contact with the back face of the box body, the outer surface of each piston rod is sleeved with a second spring, the two ends of each second spring are respectively fixedly connected with the front face of the bearing plate and the back face of the box body, a group of damping holes are formed in the piston plate.

As a further description of the above technical solution:

the inside sliding connection of loading board has two sets of second guide bars, and the both ends of second guide bar all with the inner wall fixed connection of spout, every the surface of second guide bar all overlaps and is equipped with the third spring, and the both ends of third spring respectively with the front of loading board and the inner wall fixed connection of spout.

As a further description of the above technical solution:

the using method comprises the following steps:

s1, firstly, opening the two arc-shaped plates, placing a pier to be protected between the two arc-shaped plates, then closing the two arc-shaped plates to enable the first fixing block and the second fixing block to be close to each other, enabling one end of the U-shaped clamping rod to be clamped with the inner wall of the first clamping groove under the action of the first tension spring, enabling one end of the limiting rod to be clamped with the inner wall of the second clamping groove under the action of the second tension spring, achieving limiting of the U-shaped clamping rod, and enabling the two arc-shaped plates to be positioned;

s2, rotating the threaded rod, wherein the threaded rod and the threaded hole are matched, and the rotating threaded rod can drive the clamping plate and the rubber pad to approach to the pier under the guiding action of the first guide rod, so that the pier can be clamped, and the device can be installed on the pier;

s3, when the device needs to be disassembled and maintained, the pulling plate is pulled outwards firstly, the pulling plate can drive the limiting rod to move, the left end of the limiting rod can be separated from the inner wall of the second clamping groove, the limiting on the U-shaped clamping rod is removed, then the U-shaped clamping rod is pulled outwards, and one end of the U-shaped clamping rod can be separated from the inner wall of the first clamping groove, so that the limiting on the two arc-shaped plates can be removed, and the disassembly of the device is completed;

s4, when the device is impacted by a vehicle, the impact force generated by the impact can firstly deform the first elastic sheet, and the kinetic energy generated by the impact force can be consumed under the combined action of the first elastic sheet and the rubber layer, so that the impact force can be buffered to a certain extent;

s5, impact force is transmitted to the bearing plate through the energy absorption box, so that the bearing plate moves, the two connecting strips can move, the second elastic sheet can deform, the impact force is further buffered, the two connecting strips can push the connecting plate and the connecting rod to move, the connecting rod can compress the first spring by moving, and the impact force can be buffered again;

s6, the bearing plate can drive the piston rod to move when moving, the second spring can be compressed, the impact force is buffered, the piston rod drives the piston plate to move in the box body, and through the arrangement of the damping holes and the damping oil, the kinetic energy generated by the impact force can be consumed when the damping oil passes through the damping holes.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. in the invention, through the arrangement of the first elastic sheet, the rubber layer, the energy absorption box, the bearing plate, the first buffer component and the second buffer component, the impact force generated by impact causes the first elastic sheet to deform, the kinetic energy of the impact force can be consumed, the impact force is transmitted to the bearing plate through the energy absorption box, so that the bearing plate moves, the two connecting strips move, the second elastic sheet deforms, the impact force is further buffered, the two connecting strips move to push the connecting plates and the connecting rods to move, the first spring can be compressed, the impact force can be buffered again, the piston rod can be driven to move while the bearing plate moves, the second spring can be compressed, the impact force is buffered, the piston rod drives the piston plate to move in the box body, the damping oil passes through the damping holes, the kinetic energy generated by the impact force can be consumed, and the buffer effect of the device can be improved, the damping capacity of the device is improved, the bridge pier can be effectively protected, and the bridge pier is prevented from being damaged.

2. In the invention, through the arrangement of the two arc-shaped plates, the first fixing block, the second fixing block, the fixing assembly and the clamping assembly, namely the arrangement of the threaded hole, the threaded rod, the sliding cylinder, the clamping plate, the rubber pad and the first guide rod, the pier to be protected is arranged between the two arc-shaped plates, then the two arc-shaped plates are closed, so that the first fixing block and the second fixing block are close to each other, one end of the U-shaped clamping rod can be clamped and connected with the inner wall of the first clamping groove under the action of the first tension spring, the left end of the limiting rod can be clamped and connected with the inner wall of the second clamping groove under the action of the second tension spring, the U-shaped clamping rod is limited, so that the two arc-shaped plates can be positioned, then the threaded rod can be rotated to drive the clamping plate and the rubber pad to be close to the pier under the guiding action of the first guide rod, so that the clamping to the pier can be realized, the device is very convenient and fast to install, and the using effect of the device can be improved.

3. According to the invention, through the arrangement of the arc-shaped plates, the first fixing block, the second fixing block and the fixing assembly, namely the arrangement of the first circular groove, the first clamping groove, the limiting plate, the first tension spring, the U-shaped clamping rod, the second clamping groove, the sliding hole, the limiting rod, the pulling plate and the second tension spring, the pulling plate is pulled outwards to drive the limiting rod to move, so that the left end of the limiting rod can be separated from the inner wall of the second clamping groove, the limitation on the U-shaped clamping rod is relieved, one end of the U-shaped clamping rod can be separated from the inner wall of the first clamping groove by pulling the U-shaped clamping rod outwards, the limitation on the two arc-shaped plates can be relieved, the disassembly of the device is completed, the device can be very convenient and fast to assemble and disassemble, and the use effect of the device can be improved.

Drawings

Fig. 1 is a schematic perspective view of a pier collision avoidance device according to the present invention;

fig. 2 is a cross-sectional view of a plan view of a pier collision prevention device according to the present invention;

FIG. 3 is a cross-sectional view illustrating a top view of a second bumper assembly of the bridge pier collision prevention device according to the present invention;

FIG. 4 is an enlarged schematic view of a structure at the position A in FIG. 2 of the anti-collision device for a bridge pier provided by the present invention;

FIG. 5 is an enlarged schematic view of a structure at B in FIG. 2 of the anti-collision device for a bridge pier according to the present invention;

fig. 6 is an enlarged schematic view of a structure at a point C in fig. 2 of the pier collision avoidance apparatus according to the present invention.

Illustration of the drawings: 1. a buffer tank; 2. an arc-shaped block; 3. an arc-shaped plate; 4. a first fixed block; 5. a second fixed block; 6. a fixing assembly; 601. a first circular groove; 602. a first card slot; 603. a limiting plate; 604. a first tension spring; 605. a U-shaped clamping rod; 606. a second card slot; 607. a slide hole; 608. a limiting rod; 609. pulling the movable plate; 610. a second tension spring; 7. a clamping assembly; 701. a threaded hole; 702. a threaded rod; 703. a slide cylinder; 704. a clamping plate; 705. a rubber pad; 706. a first guide bar; 8. a carrier plate; 9. a chute; 10. an energy absorption box; 11. a first elastic sheet; 12. a rubber layer; 13. a first buffer assembly; 131. a second circular groove; 132. a connecting rod; 133. a limiting groove; 134. a first spring; 135. a connecting plate; 136. a connecting strip; 137. a second elastic sheet; 14. a second buffer assembly; 141. a box body; 142. a piston plate; 143. a piston rod; 144. a damping hole; 145. a second spring; 146. damping oil; 15. an access door; 16. a second guide bar; 17. and a third spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the pier collision avoidance device comprises a buffer box 1, wherein the front of the buffer box 1 is fixedly connected with two symmetrical arc-shaped blocks 2, one ends of the two arc-shaped blocks 2, which are far away from the buffer box 1, are hinged with arc-shaped plates 3, one ends of the two arc-shaped plates 3, which are far away from the arc-shaped blocks 2, are respectively fixedly connected with a first fixed block 4 and a second fixed block 5, the front of the first fixed block 4 is provided with a fixed assembly 6, two symmetrical clamping assemblies 7 are installed between the two arc-shaped plates 3, the inner wall of the buffer box 1 is provided with two symmetrical sliding grooves 9, a bearing plate 8 is arranged inside the buffer box 1, the two ends of the bearing plate 8 are respectively in sliding connection with the inner walls of the two sliding grooves 9, two groups of symmetrical first buffer assemblies 13 are installed between the front of the bearing plate 8 and the inner wall of the buffer box 1, a second buffer assembly 14 is, one end, far away from the bearing plate 8, of the energy absorption box 10 is fixedly connected with a first elastic sheet 11, a rubber layer 12 is filled between the first elastic sheet 11 and the energy absorption box 10, and an access door 15 is installed on the upper surface of the buffer box 1 through a group of screws.

Specifically, the fixing assembly 6 includes a first circular groove 601 and a first clamping groove 602, the first circular groove 601 is disposed on the front surface of the first fixing block 4, the first clamping groove 602 is disposed on the front surface of the second fixing block 5, an inner wall of the first circular groove 601 is slidably connected with a limiting plate 603, a first tension spring 604 is fixedly connected between the back surface of the limiting plate 603 and the inner wall of the first circular groove 601, the front surface of the limiting plate 603 is fixedly connected with a U-shaped clamping rod 605, one end of the U-shaped clamping rod 605 away from the first circular groove 601 extends into the first clamping groove 602, the outer surface of the U-shaped clamping rod 605 is provided with a second clamping groove 606, the inner wall of the first clamping groove 602 is provided with a sliding hole 607, the inside of the sliding hole 607 is slidably connected with a limiting rod 608, the left end of the limiting rod 608 is clamped with the inner wall of the second clamping groove 606, the right end of the limiting rod 608 is fixedly connected with a pulling plate 609, the left, and the left end of second extension spring 610 and the right flank fixed connection of second fixed block 5, through the cooperation setting between the above structure, under the effect of first extension spring 604, can make the inner wall joint of the one end of U type kelly 605 and first draw-in groove 602, under the effect of second extension spring 610, can make the left end of gag lever post 608 and the inner wall joint of second draw-in groove 606 mutually, realize spacing to U type kelly 605, thereby can realize the location to two arcs 3, fix two arcs 3.

Specifically, clamping component 7 includes screw hole 701 and two smooth barrels 703, screw hole 701 is seted up in the inside of arc 3, two smooth barrels 703 are all fixed to be inlayed in the inside of arc 3, the inner wall threaded connection of screw hole 701 has threaded rod 702, the one end of threaded rod 702 rotates and is connected with grip block 704, a side fixedly connected with rubber pad 705 that threaded rod 702 was kept away from to grip block 704, the equal sliding connection of inner wall of two smooth barrels 703 has first guide bar 706, and the one end that smooth barrel 703 was kept away from to first guide bar 706 is connected with the fixed surface of grip block 704, through the cooperation setting between the above structure, it can drive grip block 704 and rubber pad 705 to be close to the pier under the guide effect of first guide bar 706 to rotate threaded rod 702, thereby can realize the centre gripping to the pier, and then can install the device on the pier.

Specifically, the first buffer assembly 13 includes a second circular groove 131, the second circular groove 131 is disposed on the inner sidewall of the buffer box 1, the inner wall of the second circular groove 131 is provided with two symmetrical limiting grooves 133, a connecting rod 132 is disposed inside the second circular groove 131, the connecting rod 132 is slidably connected to the inner wall of the limiting groove 133 through a slider, a first spring 134 is fixedly connected between the connecting rod 132 and the inner wall of the second circular groove 131, one end of the connecting rod 132, which is away from the first spring 134, penetrates through the second circular groove 131 and extends into the buffer box 1, one end of the connecting rod 132, which is away from the second circular groove 131, is fixedly connected to a connecting plate 135, one side of the connecting plate 135, which is away from the connecting rod 132, is hinged to two connecting strips 136, one ends of the two connecting strips 136, which are away from the connecting plate 135, are hinged to the front surface of the bearing plate 8 and the inner wall of the buffer box 1, one side, through the cooperation setting between the above structure, the impact force transmits loading board 8 through energy-absorbing box 10 for loading board 8 removes, thereby can make two connecting strip 136 remove, can make second flexure strip 137 produce deformation, further cushion impact force, two connecting strip 136 remove and can promote connecting plate 135 and connecting rod 132 and remove, connecting rod 132 removes and can make first spring 134 compress, can cushion the impact force that the striking produced.

Specifically, the second buffer assembly 14 includes a box 141, the box 141 is fixedly connected to the inner wall of the buffer box 1, the inner wall of the box 141 is slidably connected with a piston plate 142, the back of the piston plate 142 is fixedly connected with a set of piston rods 143, and one end of each piston rod 143, which is far away from the piston plate 142, penetrates through the inner wall of the box 141 and is fixedly connected with the front of the bearing plate 8, the outer surface of each piston rod 143 is in sealed contact with the back of the box 141, the outer surface of each piston rod 143 is sleeved with a second spring 145, and both ends of each second spring 145 are respectively fixedly connected with the front of the bearing plate 8 and the back of the box 141, a set of damping holes 144 are formed in the piston plate 142, damping oil 146 is filled in the box 141, and through the matching arrangement between the above structures, the bearing plate 8 can drive the piston rods 143 to move while moving, the second, the piston rod 143 drives the piston plate 142 to move in the box 141, and through the arrangement of the damping hole 144 and the damping oil 146, when the damping oil 146 passes through the damping hole 144, kinetic energy generated by impact force can be consumed, and the buffering effect of the device can be improved.

Specifically, the inside sliding connection of loading board 8 has two sets of second guide bars 16, and the both ends of second guide bar 16 all with the inner wall fixed connection of spout 9, the surface of every second guide bar 16 all overlaps and is equipped with third spring 17, and the both ends of third spring 17 respectively with the front of loading board 8 and the inner wall fixed connection of spout 9, cooperation setting through between the above structure, second guide bar 16 can be when loading board 8 removes, for loading board 8 carries out the guide effect, can guarantee the stability of loading board 8 when removing, third spring 17 can cushion loading board 8, can improve the crashworthiness of the device.

Specifically, the using method comprises the following steps:

s1, first opening the two arc-shaped plates 3, placing the pier to be protected between the two arc-shaped plates 3, then closing the two arc-shaped plates 3, so that the first fixing block 4 and the second fixing block 5 are close to each other, under the action of the first tension spring 604, one end of the U-shaped clamping rod 605 can be clamped with the inner wall of the first clamping groove 602, and under the action of the second tension spring 610, one end of the limiting rod 608 can be clamped with the inner wall of the second clamping groove 606, so as to limit the U-shaped clamping rod 605, and thus, the two arc-shaped plates 3 can be positioned;

s2, rotating the threaded rod 702, wherein under the matched arrangement of the threaded rod 702 and the threaded hole 701, the rotating threaded rod 702 can drive the clamping plate 704 and the rubber pad 705 to approach to a pier under the guiding action of the first guide rod 706, so that the clamping of the pier can be realized, and the device can be installed on the pier;

s3, when the device needs to be disassembled and maintained, the pulling plate 609 is pulled outwards firstly, the pulling plate 609 can drive the limiting rod 608 to move, the left end of the limiting rod 608 can be separated from the inner wall of the second clamping groove 606, the limitation on the U-shaped clamping rod 605 is removed, then the U-shaped clamping rod 605 is pulled outwards, one end of the U-shaped clamping rod 605 can be separated from the inner wall of the first clamping groove 602, the limitation on the two arc-shaped plates 3 can be removed, and the disassembly of the device is completed;

s4, when the device is impacted by a vehicle, the impact force generated by the impact can firstly deform the first elastic sheet 11, and the kinetic energy generated by the impact force can be consumed under the combined action of the first elastic sheet 11 and the rubber layer 12, so that the impact force can be buffered to a certain extent;

s5, impact force is transmitted to the bearing plate 8 through the energy absorption box 10, so that the bearing plate 8 moves, the two connecting strips 136 can move, the second elastic piece 137 can deform, the impact force is further buffered, the two connecting strips 136 move to push the connecting plate 135 and the connecting rod 132 to move, and the connecting rod 132 moves to compress the first spring 134 and can buffer the impact force again;

s6, the bearing plate 8 can drive the piston rod 143 to move while moving, the second spring 145 can be compressed to buffer the impact force, the piston rod 143 drives the piston plate 142 to move in the box 141, and through the arrangement of the damping holes 144 and the damping oil 146, the damping oil 146 can consume the kinetic energy generated by the impact force when passing through the damping holes 144.

The working principle is as follows: when the device is used, firstly, the two arc-shaped plates 3 are opened, a pier to be protected is arranged between the two arc-shaped plates 3, then the two arc-shaped plates 3 are closed, so that the first fixing block 4 and the second fixing block 5 are close to each other, one end of the U-shaped clamping rod 605 can be clamped with the inner wall of the first clamping groove 602 under the action of the first tension spring 604, the left end of the limiting rod 608 can be clamped with the inner wall of the second clamping groove 606 under the action of the second tension spring 610, the U-shaped clamping rod 605 is limited, so that the two arc-shaped plates 3 can be positioned, then the threaded rod 702 is rotated, under the matched arrangement of the threaded rod 702 and the threaded hole 701, the threaded rod 702 is rotated to drive the clamping plate 704 and the rubber pad to be close to the pier under the guiding action of the first guide rod 706, so that the clamping 705 of the pier can be realized, and the device can be installed on the pier, when the device needs to be disassembled and maintained, the pulling plate 609 is pulled outwards at first, the pulling plate 609 can drive the limiting rod 608 to move, the left end of the limiting rod 608 can be separated from the inner wall of the second clamping groove 606, the limiting on the U-shaped clamping rod 605 is removed, then the U-shaped clamping rod 605 is pulled outwards, one end of the U-shaped clamping rod 605 can be separated from the inner wall of the first clamping groove 602, the limiting on the two arc-shaped plates 3 can be removed, the device can be disassembled, the device can be conveniently and quickly assembled and disassembled, the using effect of the device can be improved, when the device is impacted by a vehicle, the impact force generated by the impact can firstly enable the first elastic sheet 11 to generate deformation, under the combined action of the first elastic sheet 11 and the rubber layer 12, the kinetic energy generated by the impact force can be consumed, and the impact force can be buffered to a certain extent, impact force is transmitted to the bearing plate 8 through the energy absorption box 10, so that the bearing plate 8 moves, and thus the two connecting strips 136 can move, the second elastic sheet 137 can be deformed, the impact force is further buffered, the two connecting strips 136 can push the connecting plate 135 and the connecting rod 132 to move, the connecting rod 132 moves to compress the first spring 134, the impact force can be buffered again, the bearing plate 8 can drive the piston rod 143 to move while moving, the second spring 145 can be compressed to buffer the impact force, the piston rod 143 drives the piston plate 142 to move in the box body 141, through the arrangement of the damping hole 144 and the damping oil 146, kinetic energy generated by the impact force can be consumed when the damping oil 146 passes through the damping hole 144, the buffering effect of the device can be improved, the buffering and shock absorption capacity of the device can be improved, and the bridge pier can be effectively protected, avoid the pier to appear damaging.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.