US 2014/0103278 A1Published application

Guardrail device for highway

AssigneeWenxue CAI

InventorWenxue Cai

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Abstract

The present invention involves a kind of guardrail device used for a highway, wherein, said guardrail plate is formed by PVC resin and has reinforcing bands fixed therein; a bracket is set between a small vertical column and the guardrail plate, the bracket being fixed to the small vertical column, the guardrail plate being fixed to the bracket by frame bolts; a middle large vertical column mechanism is comprised of a middle connecting plate, a connecting ring and a guardrail plates having end portions; two guardrail plates wind reversely within the connecting ring; an end large vertical column mechanism comprises a sheath, an end connecting plate and guardrail plates having end portions, the sheath is fixed to the end large vertical column, the outer sheath is wound around by guardrail plates which are fixed to the end connecting plate by frame bolts. The whole design of the invention is reasonable in structure, have good performance of collision resistance, low cost and long life performance. It displays nice cushion property at the moment of vehicle collision and uneasily to impose scratch on the car, which greatly reduce the possibility to cause secondary damage to the passenger and vehicle. Moreover, the material used brings no pollution to the environment, therefore it's green.

Claims10

Dependent claims

A guardrail device for a highway, comprising guardrail plates, a small vertical column, a middle large vertical column mechanism and an end large vertical column mechanism, said guardrail plates are fixed to the small vertical column, to the middle large vertical column mechanism and to the end large vertical column mechanism respectively wherein,

a) said guardrail plates (1) are made of PVC resin and has reinforcing bands (13) fixed therein;
b) a bracket (21) is arranged between said small vertical column (2) and said guardrail plates (1), the bracket (21) is secured to the small vertical column (2), the guardrail plates (1) are secured to the bracket (21) and the guardrail plates (1) are fixed to the bracket (21) by frame bolts (5);
c) said middle large vertical column mechanism (3) comprises a middle connecting plate (31), a connecting ring (32) and guardrail plates having end portions (1), the middle large vertical column (30), the middle connecting plate (31) and the connecting ring (32) are all fixed together via a long bolt (33);
two guardrail plates (1), being reversely wound in said connecting ring (32), are fixed to the middle connecting plate (31) through frame bolts (5) respectively;
d) said end large vertical column mechanism (4) comprises a sheath (42), an end connecting plate (41) and guardrail plates having end portions (1), the sheath is fixed to the end large vertical column (40), while the sheath being wound around by the guardrail plates (1), said guardrail plates (1) are fixed to the end connecting plate (41) by frame bolts (5).

2 more elements

Dependencies are inferred from the claim text.