CN219175099U - Flexible anticollision highway guardrail - Google Patents

Abstract

The utility model discloses a flexible anti-collision highway guardrail, which comprises a flexible plate and upright posts, wherein the flexible plate is provided with fixing holes, the fixing holes penetrate through the top surface and the bottom surface of the flexible plate, and one end of each upright post penetrates through the fixing holes of the flexible plate and is buried in a pavement reserved foundation pit; the utility model relates to a vehicle guardrail, which comprises a flexible plate, wherein the upper end and the lower end of the flexible plate are respectively provided with a cross beam used for fixing the position of the flexible plate, and the cross beams are connected with upright posts; the fixing holes penetrating through the top surface and the bottom surface of the flexible board are formed, so that the flexible board can be installed between the upright posts, and the stability of the guardrail is improved; the utility model has simple integral installation process, and can be partially replaced without integral replacement when a single flexible board is damaged.

Description

Flexible anticollision highway guardrail

Technical Field

The utility model belongs to the field of traffic highway safety guardrails, and particularly relates to a flexible anti-collision highway guardrail.

Background

The highway guardrail is an important infrastructure for traffic highway safety and plays an important role in national economy and social development. However, the existing guardrails have the following problems: 1. at present, most highway guardrails are made of steel, and when being impacted, the highway guardrails are easy to be broken by impact and even splashed by metal fragments, so that unnecessary damage is caused, and meanwhile, the highway guardrails have good buffering energy consumption performance and poor protection effect. 2. When the highway guardrail is damaged due to impact, the original guardrail can only be completely removed and replaced, so that the labor intensity of workers is increased.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide the flexible anti-collision highway guardrail, which adopts a high polymer material and is additionally provided with the steel pipe cross beam so as to flexibly buffer and improve the safety protection performance of the guardrail, and when a vehicle collides, the high polymer material is utilized to flexibly buffer, thereby improving the energy absorption effect and reducing the accident disasters. The whole flexible anti-collision guardrail has ingenious design, simplicity and reliability.

In order to achieve the above purpose, the technical scheme adopted by the utility model is that the flexible anti-collision highway guardrail comprises a flexible plate and upright posts, wherein the flexible plate is provided with fixing holes, and the fixing holes penetrate through the top surface and the bottom surface of the flexible plate; one end of the upright post penetrates through the fixing hole of the flexible plate and is buried in the pavement reserved foundation pit; the upper end and the lower end of the flexible plate are also provided with cross beams for fixing the position of the flexible plate, and the cross beams are connected with the upright posts; the two side surfaces of the flexible board are arc surfaces protruding outwards, and a boss is arranged on the arc surfaces.

Further, in the horizontal direction, the arc surface of the flexible plate is higher than the cross beam.

Further, at least two fixing holes are formed in one flexible plate, the upright posts are cylinders, and the upright posts are in clearance fit with the fixing holes.

Further, two cross beams are arranged on the bottom surface of the flexible board and symmetrically arranged on two sides of the upright post.

Further, the inner sleeve is anchored and connected between the adjacent beams on the same side of the upright post.

Further, the cross beam is a square tube cross beam.

Further, the upright posts and the cross beams are fixedly connected through bolts.

Further, the bottom of the upright post is fixed through concrete pouring.

Further, the end surfaces of the two flexible boards which are connected are planes, and a plurality of bosses are arranged on the arc surfaces of the flexible boards.

Further, the flexible board adopts a high polymer polyurethane board.

Compared with the prior art, the utility model has the advantages that the two sides of the flexible board are arc surfaces, and the bosses are arranged on the arc surfaces, so that the flexible board can bear the impact from the front and the side, the friction between the vehicle and the guardrail is increased, the vehicle is prevented from being damaged further, the protection capability of the guardrail is improved, and the driving safety is enhanced; the fixing holes penetrating through the top surface and the bottom surface of the flexible plate are formed, so that the flexible plate can be installed between the upright posts, and the stability of the guardrail is improved; the utility model has simple installation process, and when a single flexible board is damaged, the flexible board can be partially replaced without integral replacement.

Further, clearance fit is provided between the stand column and the fixing hole of the flexible plate, so that the stand column and the flexible plate are more matched, and the stability of the guardrail is improved.

Further, the bottom surface of the flexible plate is provided with two cross beams, and the two cross beams are symmetrically arranged on two sides of the upright post, so that the flexible plate can be fastened, and when an accident occurs, a vehicle can be blocked from riding or crossing to a certain extent, the protection capability of the guardrail is improved, and the risk coefficient is reduced;

further, the inner sleeve pipe anchoring connection is adopted between the beams which are positioned on the same side of the upright post and adjacent to the upright post, the connection mode is not influenced by the specification and the spacing of the upright posts, the installation difficulty caused by the spacing error of the upright posts of the road guardrail can be avoided, the whole device is simple and convenient to splice during installation, meanwhile, the length of the guardrail is enlarged, and the installation cost and the time cost are saved.

Furthermore, the square tube beam is adopted as the beam, and has wider contact area when the vehicle collides, so that the risk of fracture during collision can be reduced, and the safety of the out-of-control vehicle can be ensured; meanwhile, the square tube is easy and convenient to process, strength is ensured, and meanwhile, the difficulty of a welding process and various costs are reduced.

Further, the upright posts and the cross beams are fixedly connected through bolts, so that the installation and the disassembly are simpler and more convenient.

Further, the bottom of the upright post is buried into the pavement to reserve a foundation pit, and concrete is used for pouring the bottom of the upright post, so that the upright post is fastened, and the wind resistance and the stability of the guardrail are improved.

Furthermore, the flexible board adopts a high-molecular polyurethane board, so that the whole buffering and energy absorbing capacity of the guardrail is improved, and the safety performance of the guardrail is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a schematic view of a flexible board structure.

In the figure: 1-stand columns; 2-a cross beam; 3-a flexible board; 4-fixing holes; 5-boss.

Detailed Description

The utility model will now be described in further detail with reference to specific examples, which are intended to illustrate, but not to limit, the utility model.

As shown in fig. 1 and 2, the utility model comprises a flexible board 3 and a column 1, wherein both sides of the flexible board 3 are arc surfaces protruding outwards, a boss 5 is arranged on the arc surfaces, the boss 5 is arranged along the vertical direction, and in certain preferred embodiments, the top surface of the boss 5 is an arc surface; the flexible board 3 is further provided with a fixing hole 4, the fixing hole 4 penetrates through the top surface and the bottom surface of the flexible board 3, one end of the upright post 1 penetrates through the fixing hole 4 of the flexible board 3 and is buried into a pavement reserved foundation pit, the upper end and the lower end of the flexible board 3 are further provided with cross beams 2 used for fixing the position of the flexible board 3, the cross beams 2 are connected with the upright post 1, as shown in fig. 1, in a certain preferred embodiment of the utility model, two cross beams 2 arranged on the bottom surface of the flexible board 3 are symmetrically arranged on two sides of the upright post 1.

In a certain preferred embodiment of the present utility model, as shown in fig. 1, in a horizontal direction, an arc surface of the flexible board 3 is higher than an external force surface of the cross beam 2, and a plurality of bosses 5 are provided on the arc surface of the flexible board 3, for bearing impacts from the front and the side, increasing friction between the vehicle and the guardrail, preventing the vehicle from further causing injury, improving the protection capability of the guardrail, and enhancing driving safety.

As shown in fig. 1, in a preferred embodiment of the present utility model, inner sleeve anchoring connection is adopted between adjacent beams 2 on the same side of the upright, the inner sleeve is sleeved between the adjacent beams 2, two sides of two adjacent beams 2 are connected with the inner sleeve anchoring connection through bolts, the two sides of the two adjacent beams 2 are adjacent side surfaces, the bolts sequentially pass through the top surface of the beam 2, the inner sleeve and the bottom surface of the beam 2 from the top surface of the beam 2, and the connection mode is not affected by the upright specification and the interval, so that the installation difficulty caused by the interval error of the upright of the road guardrail can be avoided; the square tube beam is adopted as the beam 2, and has wider contact area when the vehicle collides, so that the risk of fracture during collision can be reduced, and the stability of the out-of-control vehicle can be kept; meanwhile, the square tube is convenient to process, strength is ensured, and meanwhile, the difficulty of a welding process is avoided.

As shown in fig. 2, at least two fixing holes 4 are formed in one flexible board 3 for fixing the flexible board 3 and the upright posts 1, so that the flexible board 3 cannot deflect after being impacted by a vehicle, and the protection capability of the guardrail is affected; in a preferred embodiment of the present utility model, when the length of the flexible board 3 is too long, a plurality of fixing holes 4 may be formed on the flexible board 3 according to practical situations, and then a plurality of columns 1 penetrate through the plurality of fixing holes 4 of the flexible board 3 and are buried in a reserved foundation pit on a road surface, so that the anti-collision performance can be improved.

In a certain preferred embodiment of the present utility model, the bottom of the upright 1 is embedded into a reserved foundation pit on the road surface, and concrete is used to pour the bottom of the upright, so that the upright is more fastened, and has good wind resistance and stability.

In a certain preferred embodiment of the utility model, the upright 1 is a hollow cylinder, the two sides of the upright 1 are symmetrically provided with the cross beams 2 for fixing the flexible board 3, and the top surface and the bottom surface of the flexible board 3 are respectively provided with the cross beams 2; the upright post 1 is provided with a fixing hole for fixing the cross beam 2, and bolts penetrate through the upright post 1 and the cross beams 2 on two sides of the upright post 1 to fix the cross beam 2. In specific implementation, the bolt, the nut and the gasket are matched to realize screwing and fixing.

Preferably, after the utility model is fixed, the hollow cylindrical column 1 is poured by using concrete.

In a certain preferred embodiment of the utility model, the flexible board 3 is made of high polymer polyurethane material, is formed by one-step processing through a die, and can flexibly buffer and absorb energy to avoid rigid collision by being utilized on a highway guardrail.

In a preferred embodiment of the utility model, two sections can be connected through an adhesive, so that a plurality of flexible plates 3 are combined into a whole, and the overall anti-collision capability of the guardrail can be improved; in a preferred embodiment of the utility model, the adhesive can be an epoxy, acrylate, polyurethane type adhesive.

In one embodiment of the utility model, after the utility model is impacted and broken, the broken flexible plate 3 or the bolt of the beam 2 is detached, the flexible plate 3 or the beam 2 is replaced by the intact flexible plate, and the bolt is screwed down for use.

In one embodiment of the present utility model, the present utility model can be applied to an intermediate division strip or a separation strip of a highway for double-sided crashworthiness.

Claims (10)

1. The flexible anti-collision highway guardrail is characterized by comprising a flexible plate (3) and upright posts (1), wherein the flexible plate (3) is provided with fixing holes (4), and the fixing holes (4) penetrate through the top surface and the bottom surface of the flexible plate (3); one end of the upright post (1) penetrates through a fixing hole (4) of the flexible plate (3) and is buried in a pavement reserved foundation pit; the upper end and the lower end of the flexible board (3) are also provided with cross beams (2) for fixing the position of the flexible board (3), and the cross beams (2) are connected with the upright posts (1); the two side surfaces of the flexible board (3) are arc surfaces protruding outwards, and a boss (5) is arranged on the arc surfaces.

2. A flexible crash barrier according to claim 1, characterized in that the arc surface of the flexible panel (3) is higher than the cross beam (2) in the horizontal direction.

3. The flexible anti-collision highway guardrail according to claim 1, wherein at least two fixing holes (4) are formed in one flexible plate (3), the upright post (1) is a cylinder, and the upright post (1) is in clearance fit with the fixing holes (4).

4. The flexible anti-collision highway guardrail according to claim 1, wherein two cross beams (2) are arranged on the bottom surface of the flexible plate (3), and the two cross beams (2) are symmetrically arranged on two sides of the upright post (1).

5. A flexible crash-proof highway barrier according to claim 3 or 4, wherein the adjacent cross beams (2) on the same side of the upright (1) are connected by internal sleeve anchoring.

6. A flexible crash barrier according to claim 5, wherein the cross member (2) is a square tube cross member.

7. A flexible crash-proof highway guardrail according to claim 1, characterised in that the upright (1) and the cross-beam (2) are fixed by bolting.

8. A flexible crash-proof highway guardrail according to claim 1, characterised in that the bottom of the upright (1) is fixed by concrete casting.

9. The flexible anti-collision highway guardrail according to claim 1, wherein the end surfaces of the two flexible plates (3) connected are planes, and a plurality of bosses (5) are arranged on the arc surface of the flexible plates (3).

10. A flexible crash barrier according to claim 1, wherein the flexible panel (3) is a polymeric polyurethane panel.

Images