CN213978403U

CN213978403U - Buffering energy-absorbing wall structure in front of highway bridge tunnel

Info

Publication number: CN213978403U
Application number: CN202022160974.XU
Authority: CN
Inventors: 张建恪; 刘辰; 张冰; 李新朋; 裴承润
Original assignee: Beijing Municipal Road and Bridge Co Ltd
Current assignee: Beijing Municipal Road and Bridge Co Ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-08-17
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a buffering energy-absorbing wall structure before public road bridge roof beam tunnel, the tunnel has been seted up to one side of wall body, the inside in tunnel is provided with the highway, the opposite side fixedly connected with fixed plate of wall body, the spout has been seted up on the surface of fixed plate, the inside sliding link of spout has the U template, the fixed surface of U template is connected with main baffle, one side of main baffle inner wall is through first spacing spring fixedly connected with fixed plate, the vice baffle of second spacing spring fixedly connected with is passed through to the both sides of main baffle. This buffering energy-absorbing wall structure before public road bridge roof beam tunnel through the cooling water that sets up, makes the malfunctioning car of brake pass through the cooling water, comes for tire and brake block cooling, prevents the car spontaneous combustion, when the car passes through first standing groove, plays the cushioning effect for the car through buffering husky, when the car hits main shield and vice baffle, at the pedestrian's protected area that one side of first standing groove set up, prevents to receive the injury.

Description

Buffering energy-absorbing wall structure in front of highway bridge tunnel

Technical Field

The utility model relates to a public road bridge roof beam technical field specifically is a buffering energy-absorbing wall structure before public road bridge roof beam tunnel.

Background

The tunnel is the building of establishing in the stratum as the passageway below, mainly has the vehicle that supplies current, people's past effect, if the motor vehicle that now is about to go to going in the tunnel takes place the brake failure carelessly or when breaking down, the speed reduction region that current highway tunnel entry position department set up, when slowing down to the motor vehicle that the brake is out of order, there is great wearing and tearing to the motor vehicle that the brake is out of order, and current decelerator speed reduction effect is not very good, influential to driver's personal safety, for this reason the utility model provides a buffering energy-absorbing wall structure before highway bridge tunnel.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a buffering energy-absorbing wall structure before public road bridge roof beam tunnel has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an including the wall body, the tunnel has been seted up to one side of wall body, the inside in tunnel is provided with the highway, the opposite side fixedly connected with fixed plate of wall body, the spout has been seted up on the surface of fixed plate, the inside sliding link of spout has the U template, the fixed surface of U template is connected with the main baffle, one side of main baffle inner wall is through first spacing spring fixedly connected with fixed plate, the vice baffle of second spacing spring fixedly connected with is passed through to the both sides of main baffle.

Optionally, one side of the inner wall of the U-shaped plate is fixedly connected with a third limiting spring.

Optionally, the main baffle and the auxiliary baffle include a bottom layer, an energy absorption layer and a rubber layer, the energy absorption layer is fixedly connected to the surface of the bottom layer, and the rubber layer is fixedly connected to the surface of the energy absorption layer.

Optionally, a first placing groove and a second placing groove are formed in the front face of the main baffle in a straight line shape, buffering sand is paved inside the first placing groove, and cooling water is arranged inside the second placing groove.

Optionally, both sides of the first placement groove are fixedly connected with a protection groove, and one side of the protection groove is provided with a pedestrian protection area.

Optionally, the surfaces of the protective groove and the main baffle are provided with light reflecting warning plates.

(III) advantageous effects

The utility model provides a buffering energy-absorbing wall structure before public road bridge roof beam tunnel possesses following beneficial effect:

1. this buffering energy-absorbing wall structure before highway bridge tunnel, through the setting at main baffle and vice main baffle, make people at the in-process that slows down the malfunctioning motor vehicle of brake, at its inside buffer board, under the combined action of energy-absorbing board and rubber pad, make people can play the effect of slowing down to the car at the in-process that slows down the malfunctioning motor vehicle of brake, can play certain guard action to the car again, thereby avoided the malfunctioning motor vehicle of brake to cause accident because of unable speed reduction.

2. This buffering energy-absorbing wall structure before public road bridge roof beam tunnel, through setting up the U template, first spacing spring and the spacing spring of second, make people at the in-process that reduces the impact force to the malfunctioning motor vehicle of brake, at the U template, under the combined action of first spacing spring and the spacing spring of second, make people at the in-process that reduces the impact force to the malfunctioning motor vehicle of brake, the malfunctioning motor vehicle of brake can cushion, thereby make the malfunctioning motor vehicle of brake can reduce the harm, the pedestrian's protected area that sets up in one side of first standing groove, prevent to receive the injury.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the fixing plate of the present invention;

fig. 3 is a schematic structural diagram of the U-shaped plate of the present invention.

In the figure: 1. a wall body; 2. a tunnel; 3. a highway; 4. a fixing plate; 5. a chute; 6. a U-shaped plate; 7. A main baffle; 8. a first limit spring; 9. a second limit spring; 10. an auxiliary baffle plate; 11. a third limit spring; 12. a light reflecting warning panel; 13. a first placing groove; 14. a second placing groove; 15. a pedestrian protection zone.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 3, the present invention provides a technical solution: a buffering energy-absorbing wall structure in front of a highway bridge tunnel comprises a wall body 1, a tunnel 2 is arranged on one side of the wall body 1, a highway 3 is arranged inside the tunnel 2, a fixing plate 4 is fixedly connected to the other side of the wall body 1, a main baffle 7 and an auxiliary baffle 10 are fixed through the fixing plate 4, a chute 5 is arranged on the surface of the fixing plate 4, a U-shaped plate 6 is connected inside the chute 5 in a sliding mode, the surface of the U-shaped plate 6 is fixedly connected with the main baffle 7, one side of the inner wall of the main baffle 7 is fixedly connected with the fixing plate 4 through a first limiting spring 8, one side of the inner wall of the U-shaped plate 6 is fixedly connected with a third limiting spring 11, two sides of the main baffle 7 are fixedly connected with the auxiliary baffle 10 through a second limiting spring 9, the main baffle 7 and the auxiliary baffle 10 comprise a bottom layer, an energy-absorbing layer and a rubber layer, the surface of the bottom layer is fixedly connected with the energy-absorbing layer, when the vehicle collides with the main baffle 7, the U-shaped plate 6 has a buffering effect on the motor vehicle, and the motor vehicle with a failed brake can be decelerated by people under the combined action of the buffering plate, the energy absorption plate and the rubber pad;

first standing groove 13 and second standing groove 14 have been seted up to main baffle 7's positive word, buffering sand has been laid to the inside of first standing groove 13, the inside of second standing groove 14 is provided with the cooling water, when the motor vehicle process cooling water, come for the tire and with the brake block cooling, the effect of buffering for the first time has been played the motor vehicle when husky through the buffering, the both sides fixedly connected with guard slot of first standing groove 13, one side of guard slot sets up pedestrian protection zone 15, prevent through the guard slot that sets up that the car from rushing out the guard zone, hinder the pedestrian, the surface of guard slot and main baffle 7 all is provided with reflection of light warning board 12, the convenience is reminded the driver evening.

In summary, the buffering and energy-absorbing wall structure in front of the highway bridge tunnel comprises the following use steps:

1. when the vehicle is out of control and rushes into the buffer area, the tire and the brake pad are cooled by the cooling water when the vehicle passes through the cooling water, and the vehicle is buffered for the first time by the buffering sand;

2. when the vehicle collides with the main baffle 7 and the auxiliary baffle 10, the motor vehicle with the brake failure is decelerated under the combined action of the buffer plate, the energy absorption plate and the rubber pad, and the vehicle with the brake failure is buffered under the action of the U-shaped plate 6 and the limiting spring.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a buffering energy-absorbing wall structure before public road bridge roof beam tunnel, includes wall body (1), its characterized in that: tunnel (2) have been seted up to one side of wall body (1), the inside in tunnel (2) is provided with highway (3), opposite side fixedly connected with fixed plate (4) of wall body (1), spout (5) have been seted up on the surface of fixed plate (4), the inside sliding link of spout (5) has U template (6), the fixed surface of U template (6) is connected with main baffle (7), one side of main baffle (7) inner wall is through first spacing spring (8) fixedly connected with fixed plate (4), the vice baffle (10) of second spacing spring (9) fixedly connected with are passed through to the both sides of main baffle (7).

2. The front buffering and energy absorbing wall structure of the highway bridge tunnel according to claim 1, wherein: one side of the inner wall of the U-shaped plate (6) is fixedly connected with a third limiting spring (11).

3. The front buffering and energy absorbing wall structure of the highway bridge tunnel according to claim 1, wherein: the main baffle (7) and the auxiliary baffle (10) comprise a bottom layer, an energy absorption layer and a rubber layer, wherein the surface of the bottom layer is fixedly connected with the energy absorption layer, and the surface of the energy absorption layer is fixedly connected with the rubber layer.

4. The front buffering and energy absorbing wall structure of the highway bridge tunnel according to claim 1, wherein: the front face of the main baffle (7) is provided with a first placing groove (13) and a second placing groove (14), buffering sand is paved inside the first placing groove (13), and cooling water is arranged inside the second placing groove (14).

5. The front buffering and energy absorbing wall structure of the highway bridge tunnel according to claim 4, wherein: the two sides of the first placing groove (13) are fixedly connected with a protective groove, and a pedestrian protection area (15) is arranged on one side of the protective groove.

6. The front buffering and energy absorbing wall structure of the highway bridge tunnel according to claim 5, wherein: the surfaces of the protective groove and the main baffle (7) are both provided with a light-reflecting warning board (12).