CN222594700U - A kind of anti-collision structure of highway bridge for traffic - Google Patents

Abstract

The utility model relates to a highway bridge anti-collision structure for traffic, which comprises a guardrail body and a protection component, wherein the guardrail body comprises upright posts and cross bars, a plurality of cross bars are arranged between the upright posts at intervals side by side, the protection component comprises an energy absorption box, an anti-collision beam, a back plate and a buffer piece, the back plate is in a groove shape, a port of the back plate is provided with a stop strip bent inwards, the back plate is connected with the upright posts through the energy absorption box, the buffer piece is made of rubber materials and is in an arch shape, a plurality of buffer pieces are arranged at intervals side by side along the length direction of the back plate, the anti-collision beam is movably arranged in the back plate, the buffer piece is positioned between the anti-collision beam and the back plate, the back end of the anti-collision beam is provided with a stop part corresponding to the stop strip, and the front end of the anti-collision beam is hollow and is internally filled with foam. The anti-collision beam, the buffer piece and the energy absorption box form multi-stage buffering energy absorption, impact force can be effectively borne, safety of vehicles and pedestrians is protected, the assembly structure is simple, the damaged part caused by collision is convenient to replace, and cost is saved.

Description

Public road bridge roof beam anticollision structure for traffic

Technical Field

The utility model relates to the technical field of traffic protection, in particular to a highway bridge anti-collision structure for traffic.

Background

With the development of the age, the development of science and technology, automobiles become one of the most important short-range riding tools in people. Along with the increase of the number of automobiles, various traffic accidents are also coming, especially when automobiles collide with guard rails of highway bridges, as the existing guard rails are mostly made of metal or cement columns, the buffer is lacked, the normal running speed is higher, and the impact force generated by sudden stopping of the automobiles after collision is overlarge, so that the automobiles are seriously damaged, and even the life health of drivers is possibly threatened, the existing guard rail structures of the highway bridges are required to be crashed and improved, so that the guard rails can play a certain role in protecting the driven automobiles, and rollover or falling are avoided.

Disclosure of utility model

Based on the above, it is necessary to provide a traffic highway bridge collision avoidance structure.

The utility model provides a highway bridge anticollision structure for transportation, includes guardrail body and protection component, the guardrail body includes stand and horizontal pole, a plurality of the horizontal pole is the interval sets up side by side between the stand, protection component includes the energy-absorbing box, crashproof roof beam, backplate and bolster, the backplate is fluted, the port department of backplate is provided with the stop strip of inwards buckling, the backplate passes through the energy-absorbing box and is connected with the stand, the bolster adopts the rubber material to make, is arch form, and is a plurality of the bolster sets up along the length direction of backplate interval side by side, crashproof roof beam movable mounting is in the backplate, the bolster is located between crashproof roof beam and the backplate, the rear end of crashproof roof beam corresponds the stop strip is provided with the stop portion, the front end of crashproof roof beam is hollow, and inside packing has the foam.

Preferably, the front end face of the anti-collision beam is adhered with a reflective strip.

Preferably, the energy-absorbing box comprises a shell and a reinforcing piece, wherein the reinforcing piece is internally attached to the inner wall of the shell, a fixing lug is arranged at the edge of the shell, and a bolt penetrates through the fixing lug and is connected with the upright post.

Preferably, the side edge of the back plate is wave-shaped.

Preferably, the anti-collision beam is made of aluminum alloy.

Preferably, the bottom of the upright post is provided with a counterweight seat.

The utility model has the advantages that the anti-collision beam, the buffer piece and the energy absorption box form multi-stage buffer energy absorption, can effectively bear impact force, protect the safety of vehicles and pedestrians, has simple assembly structure, is convenient for replacing the damaged part caused by collision, and saves cost.

Drawings

FIG. 1 is a schematic perspective view of a traffic highway bridge collision avoidance structure according to one embodiment;

FIG. 2 is a schematic view of an assembly structure of an impact beam, a back plate and a buffer;

FIG. 3 is a schematic diagram of the structure of the crash box.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-3, a highway bridge anticollision structure for traffic, including guardrail body 1 and protection subassembly 2, guardrail body 1 includes stand 11 and horizontal pole 12, a plurality of horizontal pole 12 interval sets up side by side between stand 11, protection subassembly 2 includes energy-absorbing box 21, crashproof roof beam 22, backplate 23 and bolster 24, backplate 23 is the recess form, backplate 23's port department is provided with the stop strip 231 of inwards buckling, backplate 23 passes through energy-absorbing box 21 and is connected with stand 11, bolster 24 adopts the rubber material to make, is arch form, a plurality of bolster 24 are along the length direction interval setting side by side of backplate 23, crashproof roof beam 22 movable mounting is in backplate 23, bolster 24 is located between crashproof roof beam 22 and backplate 23, the rear end of crashproof roof beam 22 corresponds stop strip 231 is provided with stop portion 221, the front end of crashproof roof beam 22 is hollow, and inside is filled with the foam. Specifically, in this embodiment, the guardrail body 1 is shaped by reinforced concrete, so as to ensure the structural strength of the guardrail body 1, the upright posts 11 are vertically installed on two sides of a road or a bridge, and the cross bars 12 are connected with the adjacent upright posts 11 and are combined into a whole. The guardrail body 1 is close to the side of a highway, the protective component 2 is additionally arranged, specifically, a connecting piece is directly used, the energy-absorbing box 21 is vertically arranged on the upright post 11, the energy-absorbing box 21 is hollow and can collapse and absorb energy after being impacted, meanwhile, the energy-absorbing box 21 is used as a carrier of the backboard 23, and the energy-absorbing box can be connected with the backboard 23 in a welding mode during assembly, so that the assembly is convenient. The backplate 23 is the recess form, makes things convenient for the staff to assemble bolster 24 to backplate 23, and bolster 24 adopts high-elastic rubber material to make, and seals between backplate 23 and crashproof roof beam 22, avoids the windy insolateing, guarantees its life. And at the same time, the impact energy received can be absorbed by utilizing the elasticity of the buffer member 24. In order to facilitate the buffer piece 24 to absorb impact potential energy, the energy-absorbing box 21 assembled on the backboard 23 is movably assembled, so that the energy-absorbing box 21 can be displaced towards one side of the backboard 23 after being impacted, at the moment, the buffer piece 24 is pressed, and begins to deform and be flattened slowly, so that the impact potential energy can be absorbed, after the impact force is lost, the buffer piece 24 restores the shape, the anti-collision beam 22 is pushed to move towards one side far away from the backboard 23 again, the stop part 221 at the rear end of the anti-collision beam 22 is matched with the stop strip 231 at the port of the backboard 23 again, and is abutted, and the pressure provided by the buffer piece 24 is utilized, so that the stop part 221 is tightly matched with the stop strip 231, and external water vapor and dust can be prevented from entering. Meanwhile, in order to achieve light weight design, the anti-collision beam 22 damaged by the impact force is convenient to replace, the anti-collision beam 22 is made of aluminum alloy and is hollow, foam is filled in the anti-collision beam, and certain buffering protection capability is improved.

Specifically, a reflective strip is adhered to the front end surface of the anti-collision beam 22, so that a warning effect can be achieved when the vehicle is driving at night.

As shown in fig. 3, the energy-absorbing box 21 includes a housing 211 and a reinforcement 212, the reinforcement 212 is attached to the inner wall of the housing 211, a fixing lug is disposed at the edge of the housing 211, and a bolt penetrates through the fixing lug and is connected with the upright 11. Specifically, the shell 211 adopts aluminum alloy, and corrosion-resistant ability is strong, and inside reinforcement 212 adopts the sheet metal component, and spot welding is on the shell 211 inner wall for provide the support, reinforcing structure intensity, shell 211 limit portion sets up the fixed ear simultaneously, and the convenience is connected with concrete placement's stand through the mode of beating the bolt. The side walls of the shell 211 along the collapsing direction are simultaneously designed into an outwardly expanding V shape, so that collapse and energy absorption are easier to realize.

As shown in fig. 1-2, the side edge of the back plate 23 is designed to be wavy, when the impact energy received is large, the end of the anti-collision beam 22 is flattened, the impact force acts on the side edge of the back plate 23 through the anti-collision beam 22, and the side edge of the back plate 23 is wavy to form a rectangular spring, so that the anti-collision beam can collapse to absorb energy and slow down the impact.

As shown in fig. 1, the bottom of the upright 11 is provided with a counterweight base 111 for enhancing the strength of the structure connected with the ground and increasing the contact area with the road surface, so as to avoid the upright 11 from being directly inserted into the ground, and the upright is easy to settle for a long time.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (6)

1. The utility model provides a public road bridge roof beam anticollision structure for traffic, its characterized in that includes guardrail body and protection subassembly, the guardrail body includes stand and horizontal pole, a plurality of the horizontal pole is arranged between the stand side by side at the interval, the protection subassembly includes the energy-absorbing box, crashproof roof beam, backplate and bolster, the backplate is the recess form, the port department of backplate is provided with the stop strip of inwards buckling, the backplate passes through the energy-absorbing box and is connected with the stand, the bolster adopts the rubber material to make, is arch form, a plurality of the bolster sets up along the length direction of backplate side by side interval, crashproof roof beam movable mounting is in the backplate, the bolster is located between crashproof roof beam and the backplate, the rear end of crashproof roof beam corresponds the stop strip is provided with the stop portion, the front end of crashproof roof beam is hollow, and inside is filled with the foam.

2. The highway bridge collision avoidance structure of claim 1 wherein the front face of the collision avoidance beam has reflective strips adhered thereto.

3. The highway bridge collision avoidance structure of claim 1 wherein the energy-absorbing box comprises a shell and a reinforcement, wherein the reinforcement is internally attached to the inner wall of the shell, the edge of the shell is provided with a fixing lug, and a bolt penetrates through the fixing lug and is connected with the upright post.

4. A traffic highway bridge collision avoidance structure as claimed in claim 1, wherein the side portions of said back plate are wave-like in design.

5. A traffic highway bridge collision avoidance structure as claimed in claim 1, wherein said collision avoidance beam is made of an aluminium alloy.

6. The highway bridge collision avoidance structure of claim 1, wherein the bottom of the upright is provided with a counterweight base.