CN220301222U - Anti-collision buffer device for road bridge pier - Google Patents

Abstract

The utility model relates to the technical field of anti-collision devices, in particular to an anti-collision buffer device for a road pier, which comprises a cladding shell arranged on the outer side of a pier body, wherein a plurality of filling units are filled in the cladding shell, cover plates are respectively arranged on the upper side and the lower side of the cladding shell in a covering manner, the filling units are packaged in the cladding shell, and each filling unit comprises a cylinder body, and an energy absorption block and an energy absorption cylinder which are filled in the cylinder body; wherein the cladding shell is set up to be the cylinder, and filling unit evenly sets up in the inside of cladding shell, can follow week side distribution in the week of pier, and when vehicle and buffer took place to collide, cladding shell and filling unit wholly are extruded the crumple, reach better energy-absorbing effect, protect the vehicle and the pier body that collide, and inside not by the filling unit repeatedly usable who strikes, only need change by extruded filling unit can reassemble the use, repeatedly usable nature is higher.

Description

Anti-collision buffer device for road bridge pier

Technical Field

The utility model relates to the technical field of anti-collision devices, in particular to an anti-collision buffer device for a road pier.

Background

At present, urban roads can be frequently applied to viaducts, a large number of piers can be arranged on the roads, when people drive on ground roads to run, the possibility that vehicles strike the piers can be improved due to the existence of the piers, and therefore anti-collision buffer devices can be arranged at the piers at important positions on the roads to prevent the vehicles from striking the piers and damage the piers.

The existing anti-collision buffer device is generally made of steel, impact force is buffered only by means of deformation of the steel, the buffering effect is poor, damage to a vehicle is larger, the using effect is poor, the anti-collision buffer device for the municipal road disclosed by the publication No. CN218712492U is provided with a buffer unit comprising a slide column, an arc-shaped block and a spring to buffer the impact force, but the anti-collision buffer device has directionality to buffering of the vehicle, if the vehicle impacts the device from the side, the effective buffering is lost, and the components such as the spring and the slide column in the anti-collision buffer device can cause secondary damage to the vehicle, so that the anti-collision buffer device with comprehensive protection and good buffering effect is needed.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides an anti-collision buffer device for a road pier, which comprises a cladding shell arranged on the outer side of a pier body, wherein a plurality of filling units are filled in the cladding shell, cover plates are respectively arranged on the upper side and the lower side of the cladding shell in a covering mode, the filling units are packaged in the cladding shell, each filling unit comprises a cylinder body, an energy absorption block and an energy absorption cylinder, the energy absorption block is filled in the cylinder body, the cylinder body is provided with a hollow cylinder, the energy absorption cylinder is provided with a hollow cylinder, the cylinder body and the energy absorption cylinder are arranged at equal heights, and the energy absorption block is filled between the cylinder body and the energy absorption cylinder.

Further, the filling units are distributed on the periphery of the bridge pier body in a central symmetry mode.

Further, the filling unit is provided in a sector.

Further, the abutting surfaces of the adjacent two filling units are provided with concave-convex portions.

Further, the concave-convex portion is provided in a wave cambered surface or a serrated surface.

Further, the energy absorption blocks comprise a first energy absorption block and a second energy absorption block which are distributed from outside to inside, and the thicknesses of the first energy absorption block and the second energy absorption block are equal.

Further, the hardness of the first energy absorption block is smaller than that of the second energy absorption block.

Further, the first energy absorbing block comprises a polyurethane foam block or a rubber block, and the second energy absorbing block comprises a sand or wood chip filling block.

Further, the cylinder body and the energy absorbing cylinder comprise aluminum alloy or stainless steel cylinders.

Further, the cladding shell is in including laminating the shell body in the pier body outside and set up in the inner shell body in the shell body outside, the filling unit is located between shell body and the inner shell body, the apron distributes the upper and lower side of shell body and inner shell body.

Compared with the prior art, the utility model has the advantages that:

according to the utility model, the buffer device consisting of the cladding shell, the cover plate and the filling unit is arranged, wherein the cladding shell is provided with the cylinder, the filling unit is uniformly arranged in the cladding shell and can be distributed on the periphery of the pier along the periphery, when a vehicle collides with the buffer device, the cladding shell and the filling unit are integrally extruded and crumpled, so that a better energy absorption effect is achieved, the collided vehicle and the pier body are protected, the filling unit which is not impacted in the buffer device can be repeatedly used, the buffer device can be reassembled for use only by replacing the extruded filling unit, and the reusability is higher.

Drawings

The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the utility model will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of an installation structure of an anti-collision buffer device for a road pier according to an embodiment of the present utility model;

fig. 2 is a schematic view showing an internal structure of an anti-collision buffer device for a road pier according to an embodiment of the present utility model;

FIG. 3 is a schematic top view of FIG. 2;

fig. 4 is a schematic structural view of a filling unit in an anti-collision buffer device for a road pier according to an embodiment of the present utility model;

in the figure, 10, an abutment body; 1. a coating shell; 11. an outer housing; 12. an inner housing; 2. a cover plate; 3. a filling unit; 301. a concave-convex portion; 31. a cylinder; 32. an energy absorption block; 321. a first energy absorbing block; 322. a second energy absorbing block; 33. an energy absorption cylinder.

Detailed Description

For a better understanding of the technical content of the present utility model, specific examples are set forth below, along with the accompanying drawings.

Referring to fig. 1 to 4, the present utility model provides a technical solution, an anti-collision buffer device for a road pier, which is mainly applied to a crossing pier at an important position to protect the pier, and the device includes a cladding shell 1 installed at the outer side of an abutment body 10, and a plurality of filling units 3 disposed inside the cladding shell 1.

Wherein, cover plate 2 is installed to the equal lid of upper and lower side of cladding shell 1 for with packing element 3 encapsulation in the inside of cladding shell 1, in specific embodiment, cladding shell 1 is including laminating in the shell 11 in the pier body 10 outside and set up in the inner shell 12 in the shell 11 outside, packing element 3 is located between shell 11 and the inner shell 12, cover plate 2 distributes in the upper and lower side of shell 11 and inner shell 12, further, cladding shell 1 and cover plate 2 all adopt aluminum alloy or stainless steel cylinder welding to form, cover plate 2 one spiro union or welding mode of wherein is fixed to cladding shell 1, fix packing element 3 in the inboard of cladding shell 1.

Specifically, the filling unit 3 includes a cylinder 31, and an energy absorbing block 32 and an energy absorbing cylinder 33 filled inside the cylinder 31, the cylinder 31 is configured as a hollow cylinder, the energy absorbing cylinder 33 is configured as a hollow cylinder, the cylinder 31 and the energy absorbing cylinder 33 are configured to have the same height, and the energy absorbing block 32 is filled between the cylinder 31 and the energy absorbing cylinder 33.

In this way, the impact force at the time of being impacted is absorbed by the energy absorbing block 32 and the hollow energy absorbing cylinder 33.

In the preferred embodiment, the filling units 3 are arranged to be sector blocks, the plurality of filling units 3 are distributed on the periphery of the bridge pier body 10 in a central symmetry manner, the joint surfaces of two adjacent filling units 3 are arranged to be concave-convex parts 301, the concave-convex parts 301 are arranged to be wavy cambered surfaces or saw tooth surfaces, the filling units 3 with sector sections can be more uniformly arranged in the cladding shell 1, the filling units 3 can be uniformly distributed in a plurality of directions on the periphery, and the edges of the filling units are arranged to be concave-convex parts 301, so that the joint surfaces of the filling units 3 are more easily collapsed, the energy absorption effect is achieved, and hard contact with collision objects is avoided.

Further, the energy absorption block 32 comprises a first energy absorption block 321 and a second energy absorption block 322 which are distributed from outside to inside, the thicknesses of the first energy absorption block 321 and the second energy absorption block 322 are equal, and the hardness of the first energy absorption block 321 is smaller than that of the second energy absorption block 322.

Specifically, the first energy-absorbing block 321 adopts a polyurethane foam block or a rubber block, the second energy-absorbing block 322 adopts a sand or wood chip filling block, after the vehicle collides with the filling unit 3, the vehicle can be contacted with the polyurethane foam block or the rubber block at the outer side, the first energy-absorbing block 321 is easy to deform and absorb energy, the impact force of the vehicle can be primarily reduced, then the vehicle can continuously collide with the second energy-absorbing block 322, and the sand or wood chip filling block continuously contacts with the energy-absorbing block to reduce the impact of the vehicle.

According to the utility model, the buffer device is formed by arranging the cladding shell 1, the cover plate 2 and the filling unit 3, wherein the cladding shell 1 is provided with the cylinder, the filling unit 3 is uniformly arranged in the cladding shell 1 and can be distributed on the periphery of the bridge pier along the periphery, when a vehicle collides with the buffer device, the cladding shell 1 and the filling unit 3 are integrally extruded and crumpled, so that a good energy absorption effect is achieved, the collided vehicle and the pier body are protected, the inner non-impacted filling unit 3 can be repeatedly used, and the extruded filling unit 3 can be reassembled for use only by replacing.

While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Those skilled in the art will appreciate that various modifications and adaptations can be made without departing from the spirit and scope of the present utility model. Accordingly, the scope of the utility model is defined by the appended claims.

Claims (10)

1. The utility model provides an anticollision buffer for road pier, its characterized in that, including installing cladding shell (1) in pier body (10) outside, the inside of cladding shell (1) is filled there is a plurality of packing units (3), the upper and lower side of cladding shell (1) is all covered and is installed apron (2), will packing unit (3) encapsulation is in the inside of cladding shell (1), packing unit (3) include barrel (31) and fill energy-absorbing piece (32) and energy-absorbing section of thick bamboo (33) inside barrel (31), barrel (31) are set up to be hollow barrel, energy-absorbing section of thick bamboo (33) are set up to be hollow barrel, just barrel (31) are set up the equiheight with energy-absorbing section of thick bamboo (33), just energy-absorbing piece (32) are filled between barrel (31) and energy-absorbing section of thick bamboo (33).

2. An anti-collision buffer device for a road pier according to claim 1, characterized in that a plurality of filling units (3) are distributed on the periphery of the bridge body (10) in a central symmetry.

3. An anti-collision cushioning device for a road pier according to claim 1, characterized in that the filling units (3) are arranged in segments.

4. A bump buffer for a road pier according to claim 3, characterized in that the abutting surfaces of two adjacent filling units (3) are provided as concave-convex portions (301).

5. The collision avoidance bumper for road piers according to claim 4, characterized in that the relief (301) is provided in the form of a wavy cambered surface or a serrated surface.

6. An anti-collision buffer device for a road pier according to claim 1, characterized in that the energy absorbing blocks (32) comprise a first energy absorbing block (321) and a second energy absorbing block (322) which are distributed from outside to inside, and the thicknesses of the first energy absorbing block (321) and the second energy absorbing block (322) are equal.

7. The impact buffering device for a road pier according to claim 6, characterized in that the hardness of the first energy absorbing block (321) is smaller than the hardness of the second energy absorbing block (322).

8. An anti-collision cushioning device for a road pier according to claim 6, characterized in that the first energy absorbing block (321) comprises a polyurethane foam block or a rubber block and the second energy absorbing block (322) comprises a sand or wood chip filling block.

9. An anti-collision buffer device for a road pier according to claim 1, characterized in that the cylinder (31) and the energy absorbing cylinder (33) each comprise an aluminum alloy or stainless steel cylinder.

10. The anti-collision buffer device for the road pier according to claim 1, wherein the cladding shell (1) comprises an outer shell (11) attached to the outer side of the bridge pier body (10) and an inner shell (12) arranged on the outer side of the outer shell (11), the filling unit (3) is located between the outer shell (11) and the inner shell (12), and the cover plate (2) is distributed on the upper side and the lower side of the outer shell (11) and the inner shell (12).