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A kind of expressway guardrail and preparation method thereof

A technology for highways and guardrails, applied to roads, roads, road safety devices, etc., can solve the problems of weak buffer performance and limited protection effect, and achieve the effects of low cost, large buffer, and impact relief

Active Publication Date: 2017-06-27
HEFEI GENIUS NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The currently used road guardrails are generally made of steel. This guardrail has high strength, but the cushioning performance is not strong, and the protective effect is limited in the event of an accident.

Method used

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  • A kind of expressway guardrail and preparation method thereof
  • A kind of expressway guardrail and preparation method thereof
  • A kind of expressway guardrail and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Such as figure 1 , figure 2 , Figure 4 As shown, a highway guardrail includes a fixed column 1 and a guardrail body 2, the fixed column is fixed next to the highway, and the guardrail body is installed on the fixed column; the overall body of the guardrail is a "W" shaped structure , two arched brackets at both ends are symmetrically integrated through a smooth curve transition, and the middle end is lower than the ends at both ends. There is a distance, which is about 1cm.

[0026] Wherein, the guardrail body 2 is fixed on the fixed column 1 by the bolt 3 arranged at the middle end, and the through hole on the fixed column 1 is connected flexibly between the bolt 3. When the guardrail is impacted, the bolt 3 can Together with the middle end, it moves to one side of the fixed column.

[0027] The guardrail body 2 is made of polypropylene, and the fixing column 1 is made of steel. The guardrail body 2 is a double-layer structure, and an "X"-shaped reinforcing rib ...

Embodiment 2

[0031] Such as figure 1 , image 3 , Figure 4 As shown, a highway guardrail includes a fixed column 1 and a guardrail body 2, the fixed column 1 is fixed next to the highway, and the guardrail body 2 is installed on the fixed column 1; the guardrail body 2 as a whole is " W"-shaped structure, the middle end is lower than the ends at both ends, and the ends at both ends are in contact with the fixed column during installation, and there is a distance between the middle end and the fixed column, and the distance is about 10cm.

[0032] Wherein, the guardrail body 2 is fixed on the fixed column by the bolt 3 arranged at the middle end, and the bolt 3 is provided with a buffer spring 4, and the bolt is flexibly connected with the through hole on the fixed column. When impacting, the bolt can move to one side of the fixed column together with the middle end.

[0033] The material of the guardrail body is glass fiber reinforced nylon, and the fixing column is made of steel. The...

Embodiment 3

[0037] A highway guardrail, comprising a fixed column 1 and a guardrail body 2, the fixed column 1 is fixed next to the highway, and the guardrail body 2 is installed on the fixed column 1; the guardrail body 2 is in the shape of a "W" as a whole Structure, wherein the middle end is lower than the ends at both ends, when installed, the ends at both ends are in contact with the fixed column, and there is a distance between the middle end and the fixed column, and the distance is about 5cm.

[0038] Wherein, the guardrail body 2 is fixed on the fixed column by the bolt 3 arranged at the middle end, and the bolt 3 is provided with a buffer spring 4, and the bolt is flexibly connected with the through hole on the fixed column. When impacting, the bolt can move to one side of the fixed column together with the middle end.

[0039] The guardrail body is made of glass fiber reinforced polyethylene, and the fixing column is made of steel. The guardrail body is a double-layer structur...

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PUM

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Abstract

The invention relates to a highway guardrail and a preparation method thereof, comprising a fixed column and a guardrail body, the fixed column is fixed next to the highway, and the guardrail body is installed on the fixed column; the overall body of the guardrail is "W" Shaped structure, wherein the middle end is lower than the ends at both ends, and the ends at both ends are in contact with the fixed column during installation, and a gap is provided between the middle end and the fixed column. Compared with the prior art, under the premise of the strength of the metal guardrail, the present invention uses various buffer structures to alleviate the impact kinetic energy of the vehicle, alleviate the impact force of the vehicle during a major traffic accident, and minimize the harm of the accident, and because it is made of plastic Material, low cost, corrosion resistance.

Description

technical field [0001] The invention relates to the field of road safety protection products, in particular to a protection fence for expressways. Background technique [0002] With the development of traffic, traffic safety has become the focus of people's increasing attention, and more and more people pay more and more attention to it. The role of the safety fence is also valued by people. The fence can effectively reduce the loss of the accident vehicle and the casualty coefficient of the people in the car when a traffic accident occurs. Currently used highway guardrails are generally made of steel, which has high strength but poor cushioning performance, and the protective effect is limited when an accident occurs. Contents of the invention [0003] The object of the present invention is to provide a highway guardrail with strong cushioning performance, low cost and corrosion resistance and a preparation method thereof in order to overcome the above-mentioned defects ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01F15/04B29C47/00
Inventor 杨桂生曹晟孙利明
Owner HEFEI GENIUS NEW MATERIALS