CN213448093U

CN213448093U - Public road bridge roof beam buffer stop

Info

Publication number: CN213448093U
Application number: CN202021967049.1U
Authority: CN
Inventors: 刘俊贤
Original assignee: Guangzhou Zhongchi Advertising Service Co ltd
Current assignee: Fujian Canjin Construction Engineering Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-06-15
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a public road bridge roof beam buffer stop, including the public road bridge roof beam body, the top lateral wall fixedly connected with guardrail of public road bridge roof beam body, the fixed plate of two symmetric distributions of lateral wall fixedly connected with of guardrail, the lateral wall of guardrail has two connecting rods, two through spout sliding connection the fixed plate is connected with two connecting plates through torsion spring rotation, the lateral wall of connecting plate is rotated through first pivot and is connected with first frame, another the lateral wall of connecting plate is rotated through the second pivot and is connected with the second frame. The utility model relates to a public road bridge roof beam equipment technical field, through spin and third pivot etc, spin self can rotate through the third pivot, and the elastic metal net drives first frame and second frame and rotates, and the elastic metal net can cushion the impact force, and first frame and second frame extrude the connecting rod simultaneously, and the connecting rod passes through the spout and slides to the both ends of spout, has reached public road bridge roof beam's anticollision effect.

Description

Public road bridge roof beam buffer stop

Technical Field

The utility model relates to a public road bridge roof beam equipment technical field specifically is a public road bridge roof beam buffer stop.

Background

China has broad breadth, the economic development level is uneven, the overall level is not high economically, the development of highway bridges still focuses on large-volume and wide-area common large and medium bridges, and the bridges still mainly adopt prestressed concrete structures.

At present, the guardrail of a highway bridge is a metal plate, has poor impact buffering effect and does not have good protection effect, and the guardrail can deform after being impacted and can not restore the original shape, so that the guardrail does not have the last damping function when being impacted next time.

To this end, we propose a road bridge collision avoidance device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a public road bridge roof beam buffer stop to solve the not good problem of protective effect of the guardrail on the existing market that above-mentioned background art provided.

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

a highway bridge anti-collision device comprises a highway bridge body, wherein the side wall of the top end of the highway bridge body is fixedly connected with a guardrail, the side wall of the guardrail is fixedly connected with two fixed plates which are symmetrically distributed, the side wall of the guardrail is connected with two connecting rods in a sliding way through a sliding chute, the two fixed plates are rotationally connected with two connecting plates through a torsion spring, the side wall of the connecting plate is rotationally connected with a first frame through a first rotating shaft, the side wall of the other connecting plate is rotationally connected with a second frame through a second rotating shaft, the side wall of the first frame is rotationally connected with the second frame through a third rotating shaft, a rolling ball is sleeved on the side wall of the third rotating shaft, the side wall of the third rotating shaft is rotatably connected with the rolling ball, one end of the connecting rod is slidably connected with the side wall of the first frame, and the other end of the connecting rod is slidably connected with the side wall of the second frame.

Preferably, a spring is fixedly connected to each of the side walls of the first frame and the second frame, and the spring is obliquely arranged when the first frame and the second frame are not impacted.

Preferably, the side wall of the first frame and the side wall of the second frame are both fixedly connected with an elastic metal net.

Preferably, the side walls of the fixing plate, the connecting plate, the first frame and the second frame are attached with reflective strips.

Preferably, the material of the rolling ball is rubber.

Preferably, the spring, the elastic metal net, and the side walls of the first frame and the second frame are coated with rust-proof paint.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the rolling ball, the third rotating shaft and the like, the rolling ball can rotate through the third rotating shaft, the elastic metal net drives the first frame and the second frame to rotate, the elastic metal net can buffer the impact force, the first frame and the second frame simultaneously extrude the connecting rod, the connecting rod slides to two ends of the sliding groove through the sliding groove, the impact force is released in the movement of parts, and the anti-collision effect of the highway bridge is achieved;

2. through first frame and second frame etc, first frame and second frame simultaneously extrusion spring, cushion the impact that first frame and second frame received, the slope that utilizes the spring is placed, reduce the extrusion force that receives of first frame and second frame, and guarantee in limited space, can increase the holding capacity of spring, utilize torsion spring's elasticity, can absorb the impact with the buffering when the increase connecting plate rotates, also can remove the back at the impact, torsion spring can make the connecting plate resume the original state.

Drawings

Fig. 1 is a schematic view of a front view structure of a road bridge collision prevention device provided by the present invention;

fig. 2 is a schematic top view of the anti-collision device for road and bridge according to the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a highway bridge body; 2. a guardrail; 3. a fixing plate; 4. a torsion spring; 5. a connecting plate; 6. a first rotating shaft; 7. a first frame; 8. an elastic metal mesh; 9. rolling a ball; 10. a third rotating shaft; 11. a light-reflecting strip; 12. a connecting rod; 13. a chute; 14. a second rotating shaft; 15. a second frame; 16. a spring.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a highway bridge anti-collision device comprises a highway bridge body 1, a guardrail 2 is fixedly connected to the top side wall of the highway bridge body 1, two fixing plates 3 are fixedly connected to the side walls of the guardrail 2, the two connecting rods 12 are slidably connected to the side walls of the guardrail 2 through sliding grooves 13, the two fixing plates 3 are rotatably connected with two connecting plates 5 through torsion springs 4, the side walls of the connecting plates 5 are rotatably connected with a first frame 7 through first rotating shafts 6, the side wall of the other connecting plate 5 is rotatably connected with a second frame 15 through second rotating shafts 14, elastic metal nets 8 are fixedly connected to the side walls of the first frame 7 and the second frame 15, the collision force of the side walls of the first frame 7 and the second frame 15 is reduced, springs 16 are fixedly connected to the side walls of the first frame 7 and the second frame 15, and springs 16, Elastic metal net 8, the lateral wall of first frame 7 and second frame 15 has all been scribbled anti-rust paint, prevent spring 16, elastic metal net 8, first frame 7 and second frame 15 are corroded, when not receiving the striking, spring 16 is placed for the slope, increase buffering effect, the lateral wall of first frame 7 is connected for rotating through third pivot 10 and second frame 15, the lateral wall cover of third pivot 10 is equipped with spin 9, the material of spin 9 is rubber, increase elasticity, the lateral wall of third pivot 10 is connected for rotating with spin 9, the one end of connecting rod 12 is sliding connection with the lateral wall of first frame 7, the one end of another connecting rod 12 is sliding connection with the lateral wall of second frame 15, fixed plate 3, connecting plate 5, the lateral wall of first frame 7 and second frame 15 all is pasted with reflection of light strip 11, make the driver of driving at night can see, prevent the miss.

In the utility model, when a vehicle collides with the elastic metal net 8 and the rolling ball 9, the rolling ball 9 rotates through the third rotating shaft 10, the elastic metal net 8 drives the first frame 7 and the second frame 15 to rotate, the elastic metal net 8 can buffer the impact force, the first frame 7 drives the connecting plate 5 to rotate inwards through the first rotating shaft 6, the second frame 15 drives the connecting plate 5 to rotate inwards through the second rotating shaft 14, the first frame 7 and the second frame 15 simultaneously extrude the connecting rod 12, the connecting rod 12 slides to two ends of the sliding groove 13 through the sliding groove 13, so that the impact force is released in the movement of parts, the first frame 7 and the second frame 15 simultaneously extrude the spring 16 to buffer the impact force received by the first frame 7 and the second frame 15, the inclined arrangement of the spring 16 is utilized, one end of the spring 16 is as same as possible with the extrusion force direction given by the first frame 7 and the second frame 15, the extrusion force of the first frame 7 and the second frame 15 is reduced, the limited space is ensured, the bearing force of the spring 16 can be increased, the elastic force of the torsion spring 4 is utilized, the impact force which can be absorbed and buffered when the connecting plate 5 rotates is increased, and the anti-collision effect of the highway bridge is achieved.

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. A highway bridge anti-collision device comprises a highway bridge body (1) and is characterized in that a guardrail (2) is fixedly connected to the top side wall of the highway bridge body (1), two fixing plates (3) which are symmetrically distributed are fixedly connected to the side walls of the guardrail (2), two connecting rods (12) are slidably connected to the side walls of the guardrail (2) through sliding grooves (13), two fixing plates (3) are rotatably connected with two connecting plates (5) through torsion springs (4), the side walls of the connecting plates (5) are rotatably connected with a first frame (7) through first rotating shafts (6), the side walls of the connecting plates (5) are rotatably connected with a second frame (15) through second rotating shafts (14), the side walls of the first frame (7) are rotatably connected with the second frame (15) through third rotating shafts (10), and rolling balls (9) are sleeved on the side walls of the third rotating shafts (10), the side wall of the third rotating shaft (10) is rotatably connected with the rolling ball (9), one end of the connecting rod (12) is in sliding connection with the side wall of the first frame (7), and the other end of the connecting rod (12) is in sliding connection with the side wall of the second frame (15).

2. A road bridge collision avoidance device according to claim 1, wherein a spring (16) is fixedly attached to each of the side walls of the first frame (7) and the second frame (15), the spring (16) being inclined when not impacted.

3. A road and bridge impact protection device according to claim 1, wherein said first frame (7) and said second frame (15) are each fixedly connected to an elastic metal mesh (8).

4. A road and bridge anticollision device according to claim 1, characterized in that the side walls of the fixed plate (3), the connecting plate (5), the first frame (7) and the second frame (15) are attached with reflective strips (11).

5. The anti-collision device for the road bridge according to claim 1, wherein the rolling balls (9) are made of rubber.

6. A road and bridge anticollision device according to claim 1, characterized in that the side walls of the spring (16), the elastic metal net (8), the first frame (7) and the second frame (15) are painted with antirust paint.