CN217896342U - Anticollision barrier for road - Google Patents

Abstract

The utility model discloses an anticollision barrier for road, including two piece at least stands, set up in adjacent two guardrail board, buffer unit between the stand, buffer unit including set up in the elastic airbag on guardrail board right side, set up in the shrink gasbag of elastic airbag below, the shrink gasbag with elastic airbag passes through the air duct intercommunication, the elastic airbag intussuseption is filled with gas. This guardrail structure sets up the buffer unit in guardrail board one side, can reduce the fragmentary thing that produces when colliding with the vehicle, has reduced the collision loss of guardrail, can also improve the security of guardrail.

Description

Anticollision barrier for road

Technical Field

The utility model belongs to the technical field of the guardrail for the road, concretely relates to anticollision barrier for road.

Background

The guardrail is the essential important facility of assurance highway safety, comfortable, quick operation. At present, most of guardrails used for roads in China adopt reinforced concrete wall type guardrails by referring to foreign achievements. However, with the increasing of traffic volume and the increasing of the proportion of heavy-duty vehicles, the protective capability of some original road guardrails cannot meet the use requirement, especially the guardrail of steel material railing type generates a large amount of fragments after being collided, and the guardrail is very easy to deform and difficult to recover, resulting in great guardrail loss. Thus, the overall protection requirements for new construction (or new design) barriers are increasing.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a anticollision barrier for road sets up the buffer unit in guardrail board one side, can reduce the fragmentary thing that produces when colliding with the vehicle, has reduced the collision loss of guardrail, can also improve the security of guardrail.

The technical scheme of the utility model as follows: the utility model provides an anticollision barrier for road, includes two piece at least stands, sets up in adjacent two guardrail board, buffer unit between the stand, buffer unit including set up in the elastic airbag on guardrail board right side, set up in the shrink gasbag of elastic airbag below, the shrink gasbag with the elastic airbag passes through the air duct intercommunication, the elastic airbag intussuseption is filled with gas.

Preferably, the elastic air bag is filled with nitrogen.

Preferably, the inner side wall of the left side of the elastic air bag is provided with a first spring, and the right end of the first spring is connected with a pressing plate.

Preferably, the first spring is arranged horizontally.

As preferred, guardrail board right side is equipped with the guide unit, the guide unit including set up in montant, the rotation cover on elastic airbag right side are located the rotation post in the montant outside, set up in the horizontal pole of both ends department about the montant, the horizontal pole left end with guardrail board right side wall is connected, the horizontal pole right-hand member with the montant is connected.

Preferably, the side wall of the guardrail plate is provided with a through hole matched with the cross rod, the left end of the cross rod penetrates through the through hole and extends to the left side of the guardrail plate, a second spring is sleeved on the outer side of the cross rod, the left end of the second spring is connected with the right side wall of the guardrail plate, and the right end of the second spring is connected with the right end of the cross rod.

Preferably, a limiting plate is arranged at the left end of the cross rod, and the size of the limiting plate is larger than that of the through hole.

Preferably, the rotating column is a rubber column.

Preferably, the bottom of the upright post is connected with a fixed disc.

Preferably, the top end of the upright post is provided with a reflective warning sticker.

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

the utility model provides a pair of anticollision barrier for road sets up elastic airbag in guardrail board one side, when the guardrail received the impact, can be so that elastic airbag compresses, and gas in the elastic airbag shifts to inside the shrink gasbag, effectively alleviates the impact force that elastic airbag received, not only can protect the guardrail, can also protect and collide the vehicle, improves the security of guardrail, can also reduce the fragmentary thing that produces when colliding with the vehicle, reduces the collision loss of guardrail.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings required for the technical description of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic perspective view of an anti-collision guardrail for roads provided by the present invention;

fig. 2 is the utility model provides a pair of road is with anticollision barrier's elevation structure sketch map.

In the figure: 1. a guardrail plate; 2. a column; 3. a column; 4. a guide unit; 5. fixing the disc; 301. an elastic air bag; 302. contracting the air bag; 303. an air duct; 304. a first spring; 305. pressing a plate; 401. a vertical rod; 402. rotating the column; 403. a cross bar; 404. a second spring; 405. and a limiting plate.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The specific embodiment is as follows:

example 1

When safety barrier is arranged on the left side of the road, the vehicle on the right side of the barrier collides with the barrier to possibly generate great harm, and in order to reduce the harm, a buffer device can be arranged on the right side of the barrier to avoid the rigid collision between the barrier and the vehicle. Based on this, the embodiment provides a road crash barrier, as shown in fig. 1, including at least two uprights 2, a guardrail plate 1 disposed between two adjacent uprights 2, and a buffer unit 3, where the buffer unit 3 includes an elastic airbag 301 disposed on the right side of the guardrail plate 1, and a contracting airbag 302 disposed below the elastic airbag 301, and the contracting airbag 302 and the elastic airbag 301 are communicated through an air duct 303, and the elastic airbag 301 is filled with gas.

Set up like this, when the vehicle collides the guardrail, the area is great elasticity gasbag 301 can preferentially bear the impact force of vehicle, because elasticity gasbag 301 intussuseption is filled with gas, elasticity gasbag 301 receives the compression deformation after assaulting, passes through inside gas the air duct 303 carry extremely inside shrink gasbag 302, make shrink gasbag 302 inflation grow, effectively alleviate the impact force that elasticity gasbag 301 received not only can protect the guardrail, can also protect and bump the vehicle, improves the security of guardrail, can also reduce the fragmentary thing that produces when colliding with the vehicle, reduces the collision loss of guardrail.

In this embodiment, the elastic air bag 301 is filled with nitrogen. In some other embodiments, the elastic airbag 301 may be filled with non-toxic and harmless gas such as hydrogen, helium, neon, and the like.

After the elastic airbag 301 is impacted, the elastic airbag 301 may be crushed, and the internal gas is delivered into the contracted airbag 302, at this time, the elastic airbag 301 may not automatically rebound to the original state, so that the guardrail fails, and manual operation is required to restore the elastic airbag 301 to the original state, in order to avoid this phenomenon, in this embodiment, as shown in fig. 2, a first spring 304 is arranged on the inner side wall of the left side of the elastic airbag 301, and a pressing plate 305 is connected to the right end of the first spring 304. Wherein the first spring 304 is horizontally disposed.

So set up, elasticity gasbag 301 right side receives the impact after, clamp plate 305 moves left, makes first spring 304 is compressed, after the impact, first spring 304 can with clamp plate 305 promotes right to the primary importance, clamp plate 305 will elasticity gasbag 301 is extruded right, makes elasticity gasbag 301 reconversion once more, need not manual extension elasticity gasbag 301.

Because elasticity gasbag 301 is flexible gasbag, during the car strikes the guardrail, the car front end can with elasticity gasbag 301 extrusion leads to the unable quickly separating of car and guardrail together, in order to avoid this phenomenon, in this embodiment, 1 right side of guardrail board is equipped with guide unit 4, guide unit 4 including set up in montant 401, the rotation cover on elasticity gasbag 301 right side are located the rotation post 402 in the montant 401 outside, set up in the horizontal pole 403 at both ends department about the montant 401, horizontal pole 403 left end with 1 right side wall connection of guardrail board, horizontal pole 403 right-hand member with montant 401 is connected.

When the vehicle collides with the guardrail, the impact direction of the automobile often is certain angle with the arrangement direction of the guardrail, at this moment, the front end of the vehicle can be preferentially contacted with the rotating column 402, because the rotating column 402 is rotatably sleeved on the vertical rod 401 outside, after the rotating column 402 receives the impact force of one direction, the rotation can be carried out possibly, at this moment, the rotating column 402 can generate a toggle force for the vehicle, so that the advancing direction of the vehicle is deviated towards the two sides of the guardrail, and then the vehicle is guided, the front end of the vehicle can be avoided and the elastic airbag 301 is extruded together, the impact force generated by collision can be reduced, and the guardrail and the vehicle can be protected to a certain extent.

When the rotary column 402 is impacted, the cross bar 403 may be damaged directly, and the vehicle may collide with the elastic airbag 301 later, so that although the cross bar 403 may be well protected, the rotary column 402 cannot be used continuously after the cross bar 403 is damaged, and the cross bar 403 needs to be installed again. In order to avoid this phenomenon, in this embodiment, a through hole (not shown in the figure) adapted to the cross rod 403 is formed in the side wall of the guardrail plate 1, the left end of the cross rod 403 passes through the through hole and extends to the left side of the guardrail plate 1, a second spring 404 is sleeved on the outer side of the cross rod 403, the left end of the second spring 404 is connected to the right side wall of the guardrail plate 1, and the right end of the second spring 404 is connected to the right end of the cross rod 403. With this arrangement, the rotating column 402 pushes the cross bar 403 to the left after being impacted, and the second spring 404 is compressed, so as to prevent the cross bar 403 from being damaged by the impact.

Wherein, the horizontal pole 402 left end is equipped with limiting plate 405, limiting plate 405 size is greater than the through-hole. The limiting plate 405 is arranged to prevent the whole crossbar 402 from directly passing through the through hole, so that the crossbar 402 is separated from the through hole.

Wherein, the rotating column 402 is a rubber column. The rubber column can prevent the rotating column 402 from being deformed and damaged after being impacted.

Finally, in this embodiment, the bottom of the upright post 2 is connected with a fixed disk 5. The fixed disc 5 can be fixed on the ground through bolts, the bolt fixing structure is firm, and the installation efficiency is high.

The top end of the upright post 2 is provided with a reflective warning sticker (not shown in the figure). The light of the vehicle irradiates on the road at night to reflect light and remind the owner of the width of the road.

Example 2

When setting up safety barrier on the road right side, the left vehicle of guardrail and guardrail collision probably produce very big harm, in order to reduce this harm, can set up buffer on the left of the guardrail, avoid the rigid collision of guardrail and vehicle. Based on this, this embodiment provides an anticollision barrier for road, including two piece at least stands 2, set up in adjacent two guardrail board 1, buffer unit 3 between stand 2, buffer unit 3 including set up in guardrail board 1 left elastic airbag 301, set up in the shrink gasbag 302 of elastic airbag 301 below, shrink gasbag 302 with elastic airbag 301 passes through air duct 303 intercommunication, elastic airbag 301 intussuseption is filled with gas.

Set up like this, the principle is with embodiment 1, and when the vehicle collided the guardrail, the area was great elasticity gasbag 301 can preferentially bear the impact force of vehicle, because elasticity gasbag 301 intussuseption is filled with gas, elasticity gasbag 301 received the compression deformation after assaulting, passes through inside gas the air duct 303 carry extremely inside shrink gasbag 302, make shrink gasbag 302 inflation grow, effectively alleviate the impact force that elasticity gasbag 301 received not only can protect the guardrail, can also protect the clashing vehicle, improves the security of guardrail, can also reduce the fragmentary thing that produces when colliding with the vehicle, reduces the collision loss of guardrail.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the following descriptions are only provided for illustrating the technical solutions of the present invention and not for limiting the same: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The utility model provides an anticollision barrier for road, its characterized in that includes two piece at least stands (2), sets up in adjacent two guardrail board (1), buffer unit (3) between stand (2), buffer unit (3) including set up in elasticity gasbag (301) on guardrail board (1) right side, set up in shrink gasbag (302) of elasticity gasbag (301) below, shrink gasbag (302) with elasticity gasbag (301) are through air duct (303) intercommunication, elasticity gasbag (301) intussuseption is filled with gas.

2. A roadway crash barrier as claimed in claim 1, wherein the resilient bladder (301) is filled with nitrogen.

3. A roadway crash barrier as claimed in claim 1, wherein a first spring (304) is arranged on the inner side wall of the left side of the elastic air bag (301), and a pressing plate (305) is connected to the right end of the first spring (304).

4. A roadway crash barrier as claimed in claim 3, wherein the first spring (304) is horizontally disposed.

5. The road anti-collision guardrail according to claim 1, characterized in that a guide unit (4) is arranged on the right side of the guardrail plate (1), the guide unit (4) comprises a vertical rod (401) arranged on the right side of the elastic airbag (301), a rotating column (402) rotatably sleeved on the outer side of the vertical rod (401), and a cross rod (403) arranged at the upper end and the lower end of the vertical rod (401), the left end of the cross rod (403) is connected with the right side wall of the guardrail plate (1), and the right end of the cross rod (403) is connected with the vertical rod (401).

6. The road anti-collision guardrail according to claim 5, wherein the side wall of the guardrail plate (1) is provided with a through hole matched with the cross rod (403), the left end of the cross rod (403) passes through the through hole and extends to the left side of the guardrail plate (1), a second spring (404) is sleeved on the outer side of the cross rod (403), the left end of the second spring (404) is connected with the right side wall of the guardrail plate (1), and the right end of the second spring (404) is connected with the right end of the cross rod (403).

7. The road crash barrier as recited in claim 6, wherein a limiting plate (405) is provided at the left end of the cross bar (403), and the size of the limiting plate (405) is larger than that of the through hole.

8. A roadway crash barrier as claimed in claim 5, wherein the rotating post (402) is a rubber post.

9. A roadway crash barrier as claimed in claim 1, wherein a fixing plate (5) is connected to the bottom of the upright (2).

10. The crash barrier for the road as claimed in claim 1, wherein a reflective warning sticker is provided on the top end of the upright (2).

Images