CN220246773U - Round pier attached flexible anti-collision device - Google Patents

Abstract

The utility model relates to the technical field of highway engineering construction, in particular to a round pier attachment flexible anti-collision device, which comprises four sub-shells spliced into a round ring, wherein an inner-layer high-molecular damping rubber, an inner damping elastic element, a middle high-molecular damping rubber, an outer damping elastic element and an outer-layer high-molecular damping rubber are sequentially arranged in a containing cavity of the sub-shells outwards.

Description

Round pier attached flexible anti-collision device

Technical Field

The utility model relates to the technical field of highway engineering construction, in particular to a flexible anti-collision device for attaching a circular pier.

Background

With the construction of highways, serious automobile collision accidents can bring about huge economic disasters when automobiles collide with bridge piers. At present, the anticollision measure is mainly to increase pier structure size for improve crashproof ability. However, the collision bridge pier of the automobile is a rigid collision, the impact force generated by the collision is not eliminated, and the bridge pier is damaged after being impacted for a plurality of times, so in order to provide protection for the bridge pier, a flexible anti-collision device attached to the circular bridge pier is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a flexible anti-collision device for attaching a circular pier.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a flexible buffer stop is attached to circular pier, includes four sub-shells of concatenation ring, through connecting plate fixed connection between the adjacent sub-shells, the inside of every sub-shell is all reserved and is held the chamber, hold and be provided with the baffle in the both sides cell wall in chamber respectively, hold the chamber and set gradually inlayer polymer damping rubber, interior damping elastic element, middle polymer damping rubber, outer damping elastic element and outer polymer damping rubber from inside to outside, four sub-shells make up into annular whole shell and cover and establish in the pier outside, and this annular whole shell is provided with the multilayer, and the whole shell of upper and lower ring overlaps in proper order, the whole shell of ring is provided with crashproof buffer layer at its internal face, crashproof buffer layer subsides are at pier outer peripheral face, and the whole shell bottom of ring that is located the bottom still is provided with and holds in the palm the protection containment.

In a preferred embodiment, the sub-housing is further provided with a cover plate above the receiving space.

In a preferred technical scheme, the shape of the supporting protection safety shell is consistent with the shape of the upper sub-shell, and the number of the supporting protection safety shells is the same as that of the sub-shells of each layer.

In a preferred technical scheme, support protection containment head and tail terminal surface laminating in proper order forms annular drain pan, and the outside cover of this annular drain pan is equipped with the support, the support cover is established in this annular drain pan outside and is retrained fixedly with each support protection containment.

In a preferred technical scheme, the support is a hoop.

In a preferred technical scheme, the top surfaces and the bottom surfaces of the two sides of the sub-shells are respectively provided with a groove for embedding the connecting plate, and the grooves are internally provided with through positioning bolt holes, corresponding to the through positioning bolt holes, the connecting plates are provided with through holes, the connecting plates are fixed in the positioning bolt holes through the positioning bolts, and meanwhile, the two adjacent sub-shells are fixedly connected through the connecting plates.

The beneficial effects of the utility model are as follows:

1. this flexible buffer stop size proportion reasonable in design forms wholly with the pier, 360 degrees no dead angle protection, and in the whole shell of buffer rubber circumference evenly filled ring, this buffer stop was no matter what direction the car striking received, can all utilize the deformation of rubber to provide sufficient buffering, effectively reduces the impact, protects the car and also protects the pier.

2. Different from the traditional 'just to just' anticollision, this product can control the vehicle and can not produce great compression deformation when reducing the impact, and then protect vehicle and personnel safety, this flexible anticollision structure both can protect the pier also can protect the car, and the factor of safety that uses improves.

3. The sub-shells are assembled together through the fasteners, and when the protection function of the sub-shells is weakened due to more impact of the sub-shells, workers can detach the sub-shells, so that the operation is convenient. In practical application, once impact damage occurs, a worker can determine a repair part according to the damaged state to quickly replace the repair part. The flexible anti-collision device can be repeatedly repaired and used.

To sum up, through the flexible buffer stop that this scheme provided, the produced impact force of car striking pier can't obtain effective buffering, this impact force still can cause the damage to the pier surface, can have the problem of potential safety hazard, the flexible buffer stop's of this proposition, the multilayer buffer rubber of addding in the casing can effectively disperse the impact force of car striking pier, provide the protection for the pier, and this flexible buffer stop structure both can protect the pier also can protect the car, the factor of safety of use improves, the design of amalgamation assembled in addition, make things convenient for the staff later replacement, convenient for operation.

Drawings

FIG. 1 is a schematic diagram of a front view of a flexible anti-collision device according to the present utility model;

FIG. 2 is a schematic top view of a flexible anti-collision device according to the present utility model;

FIG. 3 is a schematic top view of the flexible anti-collision device of FIG. 2 in a disassembled and assembled configuration;

FIG. 4 is a schematic illustration of a single shell interior flexible crush structure design;

FIG. 5 is a schematic view of a single housing according to the present utility model;

FIG. 6 is an enlarged schematic view of FIG. 5A;

fig. 7 is a B-B cross-sectional view of fig. 6.

In the figure: 1. a sub-shell; 2. a connecting plate; 3. a receiving chamber; 4. a cover plate; 5. positioning bolt holes; 6. a baffle; 7. an outer layer of polymer damping rubber; 8. an outer damping elastic element; 9. intermediate high molecular damping rubber; 10. an inner damping elastic element; 11. an inner layer of polymer damping rubber; 12. an anti-collision buffer layer; 13. supporting the protective containment; 14. a support; 15. and (3) pier.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In this embodiment, referring to fig. 1-7, a flexible anti-collision device for attaching a circular pier includes four sub-shells 1 spliced into a circular ring, the adjacent sub-shells 1 are fixedly connected through a connecting plate 2, a containing cavity 3 is reserved in each sub-shell 1, and a cover plate 4 is further arranged above the containing cavity 3 of the sub-shell 1.

As shown in fig. 4, baffles 6 are respectively arranged in the groove walls at two sides of the accommodating cavity 3, the accommodating cavity 3 is sequentially provided with an inner layer of polymer damping rubber 11, an inner damping elastic element 10, a middle polymer damping rubber 9, an outer damping elastic element 8 and an outer layer of polymer damping rubber 7 from inside to outside, four sub-shells 1 are combined into a circular whole shell and sleeved outside the bridge pier 15, the circular whole shell is provided with multiple layers, the upper circular whole shell and the lower circular whole shell are sequentially overlapped, the circular whole shell is provided with an anti-collision buffer layer 12 on the inner wall surface of the circular whole shell, and the anti-collision buffer layer 12 is attached to the outer peripheral surface of the bridge pier 15. As shown in fig. 1, the bottom of the ring whole shell at the bottommost layer is also provided with a supporting protection safety shell 13, the shape of the supporting protection safety shell 13 is consistent with that of the sub-shell 1 above, and the number of the supporting protection safety shells 13 is the same as that of the sub-shells 1 of each layer.

The end faces of the support protection safety shell 13 are sequentially attached to each other to form an annular bottom shell, the outer side of the annular bottom shell is sleeved with a support 14, the support 14 is sleeved on the outer side of the annular bottom shell and restrains and fixes the support protection safety shell 13, the support 14 is a hoop, and other clamps used for hooping the support protection safety shell 13 can be selected.

It should be specifically noted that, referring to fig. 5-7, the top surface and the bottom surface of each sub-housing 1 on two sides thereof are respectively provided with a groove for embedding the connecting plate 2, a through positioning bolt hole 5 is formed in the groove, and meanwhile, a through hole is formed in the connecting plate 2, the connecting plate 2 is fixed in the positioning bolt hole 5 through the positioning bolt, so that two adjacent sub-housings 1 are fixedly connected through the connecting plate 2.

In the installation process, the four support protection safety shells 13 are spliced into an integral annular bottom shell by using hoops, meanwhile, the four sub-shells 1 of each layer are assembled into an annular whole shell by using fasteners, the annular bottom shell is sleeved outside the bridge pier 15, is placed at the bottommost part, and then the annular whole shells of each layer are sequentially stacked to finally form the complete flexible anti-collision device.

The flexible anti-collision device is reasonable in size proportion design, forms a whole with the bridge pier, and is 360-degree free of dead angle protection. The whole shell of each layer of circular ring is filled with buffer rubber which has the function of buffering and absorbing energy and is made of high-elasticity coincidence materials. Because the buffer rubber is filled into the whole circular ring shell circumferentially and uniformly, no matter which direction the collision preventing device is impacted by the automobile, the buffer rubber can provide enough buffer by utilizing the deformation of the rubber, and the impact force is effectively reduced. And the inner-layer high-molecular damping rubber 11, the inner damping elastic element 10, the middle high-molecular damping rubber 9, the outer damping elastic element 8 and the outer-layer high-molecular damping rubber 7 which are sequentially arranged from inside to outside can fully consume the impact force generated by impact through multistage deformation, so as to provide protection for the bridge pier 15.

Different from the traditional 'just to just' anticollision, this product can control the vehicle and can not produce great compression deformation when reducing the impact, and then protect vehicle and personnel safety, this flexible anticollision structure both can protect pier 15 also can protect the car, and the factor of safety that uses improves. The flexible anti-collision device can be directly arranged on the urban viaduct bridge pier and the expressway overpass bridge pier. The size and the form are customized according to the bridge pier to be protected. For extreme frontal collision, partial energy is dissipated by self damage, so that the collision force of the vehicle is effectively reduced, the damage of an axle is reduced, and the personal safety is protected.

Finally, it should be noted that the sub-housings 1 are assembled together by fasteners, and when the protection function of the sub-housings 1 is weakened due to more impact, the sub-housings can be detached by a worker, so that the operation is convenient. In practical application, once impact damage occurs, a worker can determine a repair part according to the damaged state to quickly replace the repair part. The device can be repeatedly repaired and reused, so that the cost can be reduced, and the economic benefit can be improved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a circular pier adheres to flexible buffer stop, its characterized in that, including four sub-casings (1) of concatenation ring, through connecting plate (2) fixed connection between adjacent sub-casing (1), the inside of every sub-casing (1) is all reserved and is held chamber (3), be provided with baffle (6) in the both sides cell wall that holds chamber (3) respectively, hold chamber (3) and set gradually inlayer polymer damping rubber (11), interior damping elastic element (10), middle polymer damping rubber (9), outer damping elastic element (8) and outer polymer damping rubber (7) from inside to outside, four sub-casings (1) make up into the whole shell of ring shape and overlap and establish in pier (15) outside, and this whole shell of ring is provided with the multilayer, and the whole shell of ring from top to bottom overlaps in proper order, whole shell is provided with anticollision buffer layer (12) at its internal face, anticollision buffer layer (12) are attached at pier (15) outer peripheral face, are located the whole shell bottom of ring of bottommost and still are provided with and prop up protective containment shell (13).

2. The flexible collision avoidance device for the attachment of round piers according to claim 1, wherein the sub-shell (1) is further provided with a cover plate (4) above the accommodating cavity (3) thereof.

3. The flexible collision avoidance device for the attachment of round piers according to claim 1, wherein the shape of the supporting protection safety shell (13) is consistent with the shape of the upper sub-shell (1), and the number of the supporting protection safety shells (13) is the same as the number of the sub-shells (1) of each layer.

4. A flexible collision-preventing device for attaching a circular pier according to claim 3, wherein the end faces of the support protecting safety shell (13) are sequentially attached to each other to form an annular bottom shell, the outer side of the annular bottom shell is sleeved with a support (14), and the support (14) is sleeved on the outer side of the annular bottom shell and restrains and fixes each support protecting safety shell (13).

5. The flexible collision avoidance device for attachment to a circular pier of claim 4 wherein said support (14) is a hoop.

6. The flexible anti-collision device for attaching the circular pier according to claim 1, wherein the top surfaces and the bottom surfaces of the two sides of the sub-shells (1) are respectively provided with grooves for embedding the connecting plates (2), and through positioning bolt holes (5) are formed in the grooves, corresponding to the grooves, through holes are formed in the connecting plates (2), the connecting plates (2) are fixed in the positioning bolt holes (5) through the positioning bolts, and meanwhile, the two adjacent sub-shells (1) are fixedly connected through the connecting plates (2).