CN220538516U

CN220538516U - Guard rail for highway

Info

Publication number: CN220538516U
Application number: CN202322029718.0U
Authority: CN
Inventors: 严益科; 梁森; 李雪鹏; 张丽梅; 卿德萍
Original assignee: Sichuan Road And Bridge Construction Group Traffic Engineering Co ltd
Current assignee: Sichuan Road And Bridge Construction Group Traffic Engineering Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-02-27
Anticipated expiration: 2033-07-31

Abstract

The utility model relates to a technical field of rail guard, especially relate to a rail guard for highway, it includes stand and rail guard, the stand is provided with a plurality of and evenly sets up in highway both sides, the standing groove has been seted up on the stand and along the direction of height of stand, the both ends of rail guard set up respectively in the standing groove of two adjacent stands; the side wall of the placing groove far away from the guardrail plate is provided with a sliding groove, two sliding blocks are arranged in the sliding groove in a sliding manner along the direction approaching or separating from each other, and a connecting assembly connected with the guardrail plate is arranged on the sliding blocks; and a buffer component for buffering is arranged on the guardrail plate. The application has the effect that the protective guard can play a buffering role when being impacted.

Description

Guard rail for highway

Technical Field

The application relates to the technical field of protective barriers, in particular to a protective barrier for a highway.

Background

The highway guardrail is a highway protection facility designed for preventing vehicles from rushing out of a road out of control, and is generally processed by galvanized steel plates, and different specifications are adopted according to different highway grades.

At present, the guard rail is a continuous structure with guard rail plates spliced with each other and supported by main columns, and the guard rail utilizes physical deformation of soil bases, upright columns and cross beams to absorb energy generated by collision and forces out-of-control vehicles to change the driving direction and return to the normal road driving direction, so that the vehicles are prevented from rushing out of the road, the vehicles and passengers are protected, and the loss caused by accidents is reduced.

However, in the related art, after the guard rail is impacted, the guard rail is extremely easy to break due to the rigidity of the guard rail, so that safety accidents occur.

Disclosure of Invention

In order to enable the guard rail to play a role in buffering when being impacted, the application provides the guard rail for the highway.

The application provides a rail guard for highway adopts following technical scheme:

the guardrail for the highway comprises upright posts and guardrail plates, wherein the upright posts are provided with a plurality of guide rails which are uniformly arranged on two sides of the highway, the upright posts are provided with placing grooves along the height direction of the upright posts, and two ends of each guardrail plate are respectively arranged in the placing grooves of two adjacent upright posts; the side wall of the placing groove far away from the guardrail plate is provided with a sliding groove, two sliding blocks are arranged in the sliding groove in a sliding manner along the direction approaching or separating from each other, and a connecting assembly connected with the guardrail plate is arranged on the sliding blocks; and a buffer component for buffering is arranged on the guardrail plate.

Further, the coupling assembling includes two connecting rods, two the one end of connecting rod all articulates with the guardrail board, connecting rod and slider one-to-one, the one end that the guardrail board was kept away from to the connecting rod articulates with the slider.

Further, a plurality of flexible balls are fixedly arranged at two ends of the sliding groove, and the flexible balls are used for being connected with the sliding block in a sliding mode.

Further, the buffer assembly comprises two buffer blocks and buffer rings, the buffer blocks are in one-to-one correspondence with the connecting rods, the buffer blocks are fixedly arranged on the side walls of the connecting rods, the buffer rings are fixedly arranged on the side walls of the guardrail plates, buffer grooves are formed in the buffer rings and along the circumferential directions of the buffer rings, the two buffer blocks are respectively arranged in the buffer grooves in a sliding mode along the directions close to each other or far away from each other, and buffer mediums are fixedly arranged on the side walls of the buffer grooves and are connected with the buffer mediums in a sliding mode.

Further, two the buffer blocks are kept away from the fixed anticreep piece that is provided with of one end of connecting block.

Further, the side wall of the guardrail plate is provided with an elastic piece for driving the guardrail plate to slide in a direction away from the sliding block.

Further, the lateral wall that the standing groove kept away from the guardrail board is fixedly provided with the rubber pad that is used for with the buffer ring butt.

Further, the side wall of the upright post is provided with a corrugated plate for sealing the placing groove.

In summary, the present application has the following beneficial technical effects: through placing the both ends of guardrail board respectively in the standing groove of two adjacent stands, constitute the rail guard for highway, receive the back of striking at the rail guard, the slider is connected through coupling assembling with the guardrail board, and when the guardrail board slides towards the direction that is close to the slider in the standing groove, two sliders slide towards the direction that keeps away from each other, and the buffering subassembly on the accessible guardrail board buffers the impact that the guardrail board received to can not make the rail guard break after receiving the impact, and then reduce the emergence of incident.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of a portion of an embodiment of the present application, primarily for illustrating a connection assembly;

FIG. 3 is a partial cross-sectional view of an embodiment of the present application, primarily for illustrating a slider;

FIG. 4 is a schematic view of a portion of the structure of an embodiment of the present application, primarily for illustrating a cushioning assembly.

Reference numerals illustrate: 1. a column; 11. a placement groove; 12. a guide groove; 13. a chute; 131. a flexible ball; 2. a guardrail plate; 21. a guide block; 3. a slide block; 31. placing a block; 32. a connecting rod; 321. a buffer block; 322. an anti-falling block; 323. a hinge block; 4. a buffer ring; 41. a buffer tank; 42. a buffer medium; 5. a pressure spring; 51. a rubber pad; 52. a tension spring; 53. corrugated plate.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a guard rail for a highway. Referring to fig. 1, 2 and 3, the highway comprises upright posts 1 and guardrail plates 2, wherein the upright posts 1 are provided with a plurality of guide grooves 12 for sliding the guide blocks 21, the upright posts 1 are uniformly arranged on two sides of the highway, the upright posts 1 are provided with placing grooves 11 along the height direction of the upright posts 1, the placing grooves 11 are matched with the guardrail plates 2, two ends of the guardrail plates 2 are respectively and slidably arranged in the placing grooves 11 of two adjacent upright posts 1, the two sides of the guardrail plates 2 are respectively and fixedly provided with the guide blocks 21, the two side walls of the placing grooves 11 are provided with the guide grooves 12 for sliding the guide blocks 21, the guide blocks 21 are matched with the guide grooves 12, and the guide blocks 21 are slidably arranged in the guide grooves 12 along the sliding direction of the guardrail plates 2; when the guardrail plate 2 is impacted by the collision of the vehicle running on the road, the guardrail plate 2 slides in a direction away from the road, so that the guide block 21 is driven to slide in the guide groove 12.

Referring to fig. 2 and 3, a chute 13 is formed in the side wall, far away from the guardrail plate 2, of the placing groove 11, the forming direction of the chute 13 is parallel to the forming direction of the placing groove 11, two sliding blocks 3 are slidably arranged in the chute 13 along the direction of approaching or separating from each other, the sliding blocks 3 are matched with the chute 13, a placing block 31 is fixedly arranged on one side, far away from the chute 13, of the sliding blocks 3, and the cross section area of the placing block 31 is larger than that of the sliding blocks 3; the slider 3 is provided with the coupling assembling who is connected with guardrail board 2, and coupling assembling includes two connecting rods 32, fixedly is provided with hinge piece 323 on the lateral wall of guardrail board 2, and the one end of two connecting rods 32 all articulates with hinge piece 323 on the guardrail board 2, and connecting rod 32 and slider 3 one-to-one, and the one end that guardrail board 2 was kept away from to connecting rod 32 articulates with placing piece 31.

Referring to fig. 2 and 3, a plurality of flexible balls 131 are fixedly arranged at two ends of the chute 13, the flexible balls 131 are used for sliding connection with the sliding block 3, in the embodiment of the application, the flexible balls 131 are made of rubber materials, and the flexible balls 131 are arranged at two sides of the chute 13, so that a certain buffering effect can be achieved.

In the above embodiment, when the guardrail plate 2 is impacted by the collision of the vehicle running on the road, the guardrail plate 2 slides in the direction away from the road, so as to drive the two connecting rods 32 to slide, and the opening angle between the two connecting rods 32 is increased, so as to drive the two sliding blocks 3 to slide in the direction away from each other; when the two sliding blocks 3 slide in the sliding groove 13, the sliding blocks 3 are in sliding connection with the plurality of flexible balls 131, namely, part of friction force generated when the sliding blocks 3 are in wiping connection with the flexible balls 131 can buffer the impact force received by part of the guardrail plates 2.

Referring to fig. 2, 3 and 4, a buffer assembly for buffering is provided on the guardrail plate 2, the buffer assembly includes two buffer blocks 321 and a buffer ring 4, in this embodiment, the buffer blocks 321 are cylindrical, the buffer ring 4 is semi-annular, the buffer blocks 321 are in one-to-one correspondence with the connecting rods 32, the buffer blocks 321 are fixedly provided on the side walls of the connecting rods 32, and the positions of the two buffer blocks 321 are opposite to and parallel to the axial direction.

Referring to fig. 2, 3 and 4, two feet of the buffer ring 4 are fixedly arranged on the side wall of the guardrail plate 2, the center of the buffer ring 4 is opposite to the hinge block 323, the buffer ring 4 is provided with buffer grooves 41 along the circumferential direction of the buffer ring 4, the buffer grooves 41 are arranged as through grooves, namely, the buffer grooves 41 are communicated with two sides of the buffer block 321, the buffer block 321 is arranged in the buffer grooves 41 in a penetrating manner and is abutted with two side walls of the buffer grooves 41, the two buffer blocks 321 are respectively arranged in the buffer grooves 41 in a sliding manner along the directions approaching or separating from each other, the two buffer blocks 321 are respectively arranged on two sides of the buffer ring 4 in a sliding manner, buffer mediums 42 are fixedly arranged on the inner side walls of the buffer grooves 41, the buffer blocks 321 are connected with the buffer mediums 42 in a sliding manner, in the embodiment of the application, the buffer mediums 42 can be made of rubber materials or silica gel materials, and in other application embodiments, the buffer mediums 42 can be made of sand materials or the like.

In the above embodiment, when the guardrail plate 2 is impacted by the collision of the vehicle running on the road, the guardrail plate 2 slides towards the direction away from the road, so as to drive the two connecting rods 32 to slide, the opening angle between the two connecting rods 32 is increased, the two buffer blocks 321 slide in the buffer groove 41 towards the direction away from each other, and the buffer blocks 321 slide with the buffer medium 42 on the inner side wall of the buffer groove 41 while the buffer blocks 321 slide, namely, the buffer blocks 321 are in wiping connection with the buffer medium 42, and the generated friction force can buffer the impact force received by the guardrail plate 2, so that a certain buffer effect is achieved.

Referring to fig. 2, 3 and 4, two buffer blocks 321 are fixedly provided with anti-drop blocks 322 away from the one end of connecting block, and in this embodiment of the application, anti-drop blocks 322 are set to be cylindrical, and the cross-sectional area of anti-drop blocks 322 is greater than the cross-sectional area of buffer blocks 321, and through the setting of anti-drop blocks 322, anti-drop blocks 322 are prevented from being separated from the anti-drop groove to a certain extent.

Referring to fig. 2, 3 and 4, the lateral wall of guardrail plate 2 is provided with the gliding elastic component of direction that drives guardrail plate 2 to keep away from slider 3, and the elastic component sets up to pressure spring 5, and pressure spring 5 is provided with two, and the one end of two pressure springs 5 all with the lateral wall fixed connection of guardrail plate 2, and two pressure springs 5 set up respectively in the both sides of buffer ring 4, and the other end of two pressure springs 5 respectively with place piece 31 fixed connection, through the setting of pressure spring 5, make guardrail plate 2 have all the time and keep away from the gliding trend of place piece 31.

Referring to fig. 1, 2 and 4, the side wall of the placement groove 11 away from the guardrail plate 2 is fixedly provided with a rubber pad 51 for abutting against the buffer ring 4, and by the arrangement of the rubber pad 51, when the guardrail plate 2 slides toward the direction approaching the placement block 31, the buffer ring 4 is abutted against the rubber pad 51, so that the buffer ring 4 is protected from damage to a certain extent; the two ends of the rubber pad 51 are fixedly provided with the tension springs 52, one ends of the two tension springs 52 far away from the rubber pad 51 are fixedly connected with the two placing blocks 31 respectively, and the two placing blocks 31 have a tendency of sliding towards the directions approaching to each other through the arrangement of the two tension springs 52; the stand 1 lateral wall is provided with and is used for placing groove 11 confined buckled plate 53, and the one end of buckled plate 53 and the lateral wall fixed connection of placing groove 11, the other end and the guardrail board 2 fixed connection of buckled plate 53 seal the space between placing groove 11 and the guardrail board 2 through buckled plate 53, avoid impurity entering wherein to a certain extent, cause spare part damage.

The implementation principle of the guard rail for the highway in the embodiment of the application is as follows: the two ends of the guardrail plate 2 are respectively placed in the placing grooves 11 of the two adjacent upright posts 1 to form a guardrail for the highway, when the guardrail plate 2 is impacted by a vehicle running on the highway after the guardrail receives the impact, the guardrail plate 2 slides towards the direction away from the highway to drive the two connecting rods 32 to slide, and the opening angle between the two connecting rods 32 is increased to drive the two sliding blocks 3 to slide towards the direction away from each other; when the two sliding blocks 3 slide in the sliding groove 13, the sliding blocks 3 are in sliding connection with the plurality of flexible balls 131, namely, part of friction force generated when the sliding blocks 3 are in wiping connection with the flexible balls 131 can buffer the impact force received by part of guardrail plates 2; and, and the opening angle between two connecting rods 32 increases, two buffer blocks 321 slide in the buffer tank 41 towards the direction that keeps away from each other, when buffer block 321 slides, buffer block 321 slides with the buffer medium 42 on the inside wall of buffer tank 41 and is connected, promptly buffer block 321 is when wiping with buffer medium 42, the frictional force that produces can cushion the impact that guardrail board 2 received, plays certain cushioning effect to the impact that receives guardrail board 2 is buffered, thereby can not make the rail guard break after receiving the impact, and then reduces the emergence of incident.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a rail guard for highway which characterized in that: the highway pavement structure comprises upright posts (1) and guardrail plates (2), wherein the upright posts (1) are provided with a plurality of guide rails which are uniformly arranged on two sides of a highway, the upright posts (1) are provided with placing grooves (11) along the height direction of the upright posts (1), and two ends of each guardrail plate (2) are respectively arranged in the placing grooves (11) of two adjacent upright posts (1); a chute (13) is formed in the side wall, far away from the guardrail plate (2), of the placing groove (11), two sliding blocks (3) are arranged in the chute (13) in a sliding manner along the direction of approaching or separating from each other, and a connecting assembly connected with the guardrail plate (2) is arranged on the sliding blocks (3); and a buffer component for buffering is arranged on the guardrail plate (2).

2. A highway guard rail according to claim 1, wherein: the connecting assembly comprises two connecting rods (32), one ends of the two connecting rods (32) are hinged to the guardrail plates (2), the connecting rods (32) are in one-to-one correspondence with the sliding blocks (3), and one ends, far away from the guardrail plates (2), of the connecting rods (32) are hinged to the sliding blocks (3).

3. A highway guard rail according to claim 2, wherein: a plurality of flexible balls (131) are fixedly arranged at two ends of the sliding groove (13), and the flexible balls (131) are used for being connected with the sliding block (3) in a sliding mode.

4. A highway guard rail according to claim 3, wherein: the utility model provides a buffer assembly includes two buffer blocks (321) and buffer ring (4), buffer block (321) and connecting rod (32) one-to-one, buffer block (321) are fixed to be set up on the lateral wall of connecting rod (32), buffer ring (4) are fixed to be set up on the lateral wall of guardrail board (2), just buffer groove (41) have been seted up on buffer ring (4) and along the circumference of buffer ring (4), two buffer block (321) are along being close to each other or the direction of keeping away from respectively sliding set up in buffer groove (41), the lateral wall of buffer groove (41) is all fixed to be provided with buffer medium (42), buffer block (321) are connected with buffer medium (42) slides.

5. The protective guard for a highway according to claim 4, wherein: and one end, far away from the connecting block, of each buffer block (321) is fixedly provided with an anti-falling block (322).

6. The protective rail for a highway according to claim 5, wherein: the side wall of the guardrail plate (2) is provided with an elastic piece for driving the guardrail plate (2) to slide in a direction away from the sliding block (3).

7. The protective rail for a highway according to claim 6, wherein: the lateral wall that standing groove (11) kept away from guardrail board (2) is fixed be provided with be used for with buffer ring (4) butt rubber pad (51).

8. The protective rail for a highway according to claim 7, wherein: the side wall of the upright post (1) is provided with a corrugated plate (53) for sealing the placing groove (11).