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

A flexible anti-collision highway guardrail

technical field

The utility model belongs to the field of traffic road safety guardrails, in particular to a flexible anti-collision road guardrail.

Background technique

Highway guardrail is an important infrastructure for traffic and highway safety, and plays an important role in national economic and social development. However, the existing guardrails have the following problems: 1. At present, most road guardrails are made of steel. When impacted, they are easily damaged or even metal fragments splash, causing unnecessary damage. . 2. When the highway guardrail is damaged due to impact, all the original guardrails can only be removed and replaced, which increases the labor intensity of the staff.

Utility model content

In order to solve the problems existing in the prior art, the purpose of this utility model is to propose a flexible anti-collision road guardrail. The guardrail adopts polymer materials and adds steel pipe beams to improve the safety protection performance of the guardrail with flexible buffering. , using polymer materials, flexible buffer, improve energy absorption effect, reduce traffic accidents. The overall flexible crash barrier is ingeniously designed, simple and reliable.

In order to achieve the above purpose, the technical solution adopted by the utility model is a flexible anti-collision road guardrail, including a flexible board and a column, the flexible board is provided with a fixing hole, and the fixing hole runs through the top surface and the bottom surface of the flexible board ; One end of the column passes through the fixing hole of the flexible board and is buried in the reserved foundation pit on the road; the upper and lower ends of the flexible board are also provided with beams for fixing the position of the flexible board, and the beam is connected to the column; The two sides of the flexible board are arc surfaces protruding outward, and bosses are arranged on the arc surfaces.

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

Further, at least two fixing holes are opened on a flexible board, the upright column is a cylinder, and clearance fit is provided between the upright column and the fixing holes.

Further, two beams are arranged on the bottom surface of the flexible board, and the two beams are symmetrically arranged on both sides of the column.

Further, inner sleeves are used to anchor and connect adjacent beams located on the same side of the column.

Further, the beam is a square tube beam.

Further, the column and the beam are fixed through bolt connection.

Further, the bottom of the column is fixed by pouring concrete.

Furthermore, the end surfaces where the two flexible plates meet are planes, and several bosses are provided on the arcuate surfaces of the flexible plates.

Further, the flexible board is made of polymer polyurethane board.

Compared with the prior art, the utility model has at least the following beneficial effects. By setting both sides of the flexible plate as arc surfaces, and setting bosses on the arc surfaces, it can withstand impacts from the front and side , increase the friction between the vehicle and the guardrail, prevent the vehicle from causing further damage, improve the protective ability of the guardrail, and enhance driving safety; by setting the fixing holes that run through the top and bottom of the flexible board, the flexible board can be installed between the columns , improve the stability of the guardrail; the installation process of the utility model is simple, and when a single section of the flexible board is damaged, it can be partially replaced without the whole replacement.

Further, the gap fit between the upright post and the fixing hole of the flexible board can make the upright post and the flexible board fit better and improve the stability of the guardrail.

Further, the bottom surface of the flexible board is provided with two crossbeams, and the two crossbeams are symmetrically arranged on both sides of the column, which can fasten the flexible board, and in the event of an accident, can prevent vehicles from riding or crossing to a certain extent, and improve the safety of the guardrail. protection ability and reduce the risk factor;

Furthermore, the inner sleeve anchoring connection is used between the adjacent beams on the same side of the column. This connection method is not affected by the specification and spacing of the columns, and can also avoid the installation difficulty caused by the error of the spacing between the columns of the road guardrail. It is easy to splice during installation, and at the same time expand the length of the guardrail, saving installation cost and time cost.

Furthermore, the beam adopts a square tube beam, which has a wider contact area when the vehicle collides, which can reduce the risk of fracture during the collision, and is conducive to ensuring the safety of the out-of-control vehicle; at the same time, the processing of the square tube is simple, and it can ensure the strength of the vehicle. At the same time, it reduces the difficulty of the welding process and reduces various costs.

Further, the columns and beams are fixed by bolts, which makes installation and disassembly easier.

Further, the bottom of the column is buried in the road surface to reserve a foundation pit, and the bottom of the column is poured with concrete to make the column more tightened and improve the wind resistance and stability of the guardrail.

Further, the flexible board adopts a polymer polyurethane board to improve the overall buffering and energy-absorbing capacity of the guardrail and improve its safety performance.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Figure 2 is a schematic diagram of the structure of the flexible board.

In the figure: 1-column; 2-beam; 3-flexible board; 4-fixing hole; 5-boss.

Detailed ways

The utility model will be further described in detail below in conjunction with specific embodiments, which are explanations of the utility model rather than limitations.

As shown in Figures 1 and 2, the utility model includes a flexible board 3 and a column 1, the two sides of the flexible board 3 are circular arc surfaces protruding outward, and a boss 5 is arranged on the arc surface, and the The boss 5 is arranged vertically. In some preferred embodiments, the top surface of the boss 5 is an arc surface; One end of the column 1 runs through the fixing hole 4 of the flexible board 3 and is buried in the reserved foundation pit on the road surface. The upper and lower ends of the flexible board 3 are also provided with beams 2 for fixing the position of the flexible board 3. The beam 2 is connected to the column 1, as shown in FIG. 1 , in a preferred embodiment of the present invention, the two beams 2 arranged on the bottom surface of the flexible board 3 are symmetrically arranged on both sides of the column 1 .

In a certain preferred embodiment of the present utility model, as shown in Figure 1, in the horizontal direction, the arc surface of the flexible board 3 is higher than the external force surface of the beam 2, and the arc surface of the flexible board 3 is provided with several protrusions. Platform 5 is used to withstand impacts from the front and side, increase the friction between the vehicle and the guardrail, prevent the vehicle from causing further damage, improve the protective ability of the guardrail, and enhance driving safety.

As shown in Figure 1, in a preferred embodiment of the present invention, the inner casing is used to anchor and connect the adjacent beams 2 on the same side of the column, and the inner casing is inserted between the adjacent beams 2 , and then anchor the two sides of the two adjacent beams 2 with the inner casing through bolts, the two sides of the two adjacent beams 2 are adjacent side surfaces, and the bolts pass through the top surface of the beam 2 in sequence The top surface of the beam 2, the inner casing and the bottom surface of the beam 2, this connection is not affected by the column specifications and spacing, and can also avoid the installation difficulty caused by the spacing error of the road guardrail columns; the beam 2 adopts a square tube beam, The square tube beam has a wider contact area when the vehicle collides, which can reduce the risk of fracture during the collision, and is conducive to maintaining the stability of the out-of-control vehicle; at the same time, the square tube is easy to process, while ensuring the strength, it avoids the welding process. difficulty.

As shown in Figure 2, at least two fixing holes 4 are provided on a flexible board 3 for fixing the flexible board 3 and the column 1, so that the flexible board 3 will not be deflected after being impacted by the vehicle, which will affect the protection of the guardrail. ability; in a certain preferred embodiment of the present utility model, when the length of the flexible board 3 is too long, a plurality of fixing holes 4 can be opened on the flexible board 3 according to the actual situation, and then a plurality of columns 1 can be penetrated through the flexible board 3 A plurality of fixing holes 4 are buried in the reserved foundation pit on the road surface, which can improve the anti-collision performance.

In a preferred embodiment of the present utility model, the bottom of the column 1 is buried in the road surface to reserve a foundation pit, and the bottom of the column is poured with concrete, so that the column is more tightened and has good wind resistance and stability .

In a certain preferred embodiment of the present utility model, the column 1 is a hollow cylinder, and both sides of the column 1 are symmetrically provided with beams 2 for fixing the flexible board 3, and the top and bottom surfaces of the flexible board 3 are provided with beams 2; The column 1 is provided with fixing holes for fixing the beam 2 , and the bolts pass through the column 1 and the beams 2 on both sides of the column 1 to realize the fixing of the beam 2 . In a specific implementation, the bolt cooperates with the nut and the washer to realize tightening and fixing.

Preferably, after the utility model is fixed, the interior of the hollow cylindrical column 1 is poured with concrete.

In a preferred embodiment of the present utility model, the flexible board 3 is made of polymer polyurethane material, processed and formed by a mold once, and used on the highway guardrail, which can flexibly buffer and absorb energy and avoid rigid collision.

The end faces of the two flexible boards 3 are flat. In a preferred embodiment of the present invention, the two sections can be connected by an adhesive, so that multiple flexible boards 3 can be combined into a whole, which can improve the protection of the guardrail. Overall anti-collision ability; in a certain preferred embodiment of the present invention, the adhesive can use epoxy, acrylate, polyurethane adhesive.

In a certain embodiment of the utility model, after the utility model is impacted and damaged, the bolts of the damaged flexible board 3 or beam 2 are removed, replaced with a good flexible board 3 or beam 2, and after the bolts are tightened Ready to use.

In a certain embodiment of the utility model, the utility model can be applied to the middle divider or isolation zone of the road, and can be used for double-sided collision prevention.

Claims (10)

1. A flexible anti-collision road guardrail, characterized in that it comprises a flexible plate (3) and a column (1), the flexible plate (3) is provided with a fixing hole (4), and the fixing hole (4) runs through The top surface and the bottom surface of the flexible board (3); one end of the column (1) runs through the fixing hole (4) of the flexible board (3) and is buried in the foundation pit reserved on the road surface; the upper and lower sides of the flexible board (3) Both ends are also provided with beams (2) for fixing the position of the flexible board (3), and the beams (2) are connected to the column (1); the two sides of the flexible board (3) are circular arcs protruding outward The surface is provided with a boss (5) on the arc surface. 2. A flexible anti-collision road guardrail according to claim 1, characterized in that, in the horizontal direction, the arc surface of the flexible plate (3) is higher than the beam (2). 3. A kind of flexible anti-collision road guardrail according to claim 1, characterized in that, a flexible plate (3) is provided with at least two fixing holes (4), and the column (1) is a cylinder, so There is clearance fit between the column (1) and the fixing hole (4). 4. A kind of flexible anti-collision road guardrail according to claim 1, characterized in that, the bottom surface of the flexible plate (3) is provided with two beams (2), and the two beams (2) are symmetrically arranged on the column ( 1) both sides. 5. A flexible anti-collision road guardrail according to claim 3 or 4, characterized in that the adjacent beams (2) located on the same side of the column (1) are connected by inner casing anchorage. 6. A flexible anti-collision road guardrail according to claim 5, characterized in that, the beam (2) is a square tube beam. 7. A flexible anti-collision road guardrail according to claim 1, characterized in that, the column (1) and the beam (2) are fixed by bolts. 8. A flexible anti-collision road guardrail according to claim 1, characterized in that the bottom of the column (1) is fixed by pouring concrete. 9. A flexible anti-collision road guardrail according to claim 1, characterized in that the end faces of the two flexible plates (3) are flat, and the arc surface of the flexible plate (3) is provided with several Boss (5). 10. A flexible anti-collision road guardrail according to claim 1, characterized in that the flexible board (3) is made of polymer polyurethane board.

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