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Expressway guard bar

A technology for expressways and guardrails, which is applied to roads, roads, road safety devices, etc., and can solve problems such as guardrail maintenance troubles, guardrail deformation, and affecting the overall appearance of expressway guardrails

Active Publication Date: 2018-11-20
厦门市科发交通工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional highway guardrail will produce a certain deformation after being hit, especially after being violently hit, the guardrail will produce a deformation that is difficult to recover
The deformed guardrail not only makes the maintenance of the guardrail troublesome, but also affects the overall appearance of the guardrail on the highway

Method used

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  • Expressway guard bar
  • Expressway guard bar
  • Expressway guard bar

Examples

Experimental program
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Effect test

specific Embodiment approach

[0078] Specific embodiments: the base 35 of the guardrail mechanism 1 in the present invention is all fixedly installed on the roadbed of the expressway. When the pendulum plate 7 and the elastic steel plate 3 between the guardrail square posts 32 of two adjacent guardrail mechanisms 1 were not bumped, the pendulum plate 7 and the guardrail square post 32 became vertical state, and the leaf spring 23 was not compressed, and the first The spring 13 is not stretched, and the buffer slider 19 on the fixed steel plate slider 14 is located in the trapezoidal groove 15 farthest from the opening of the steel plate slider sliding groove 12 among the five trapezoidal grooves 15, and the second spring 18 is not pressed. During compression, the end of the buffer slider 19 away from the second spring 18 passes through the buffer slider sliding groove 20; The tooth bar 26 is engaged; the guide block spring 39 is not compressed, the limit groove 38 of the guide block 40 communicates with th...

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Abstract

The invention belongs to the technical field of guard bars, and particularly relates to an expressway guard bar. The expressway guard bar comprises a guard bar mechanism and an elastic steel plate, and when a vehicle impacts a structure between two guard bar square columns, the elastic steel plate can bend to absorb part of impact energy; in addition, in the process that a fixed steel plate sliding block drives a buffering sliding block to move away from a pin, energy is consumed; through the design, the larger the impact force of the vehicle to a swing plate and the elastic steel plate, the larger the bending deformation of the elastic steel plate, so the energy absorbed by the elastic steel plate is more, the longer the moving distance of the fixed steel plate sliding plate in the direction away from the pin, the more the energy consumed from the movement of the fixed steel pate sliding block in the direction away from the pin, and the function of buffering vehicle impact is achieved. When the vehicle impacts a buffering triggering plate, a spring of the triggering plate can absorb part of impact energy, and the guard bar square columns can slide, so that the two elastic steel plates adjacent to the guard bar square columns make motions to continuously absorb the residual impact energy.

Description

technical field [0001] The invention belongs to the technical field of guardrails, in particular to a highway guardrail. Background technique [0002] Highway guardrail is an important protective measure on the highway to prevent vehicles from rushing out of the highway after an accident. When the traditional highway guardrail is hit by a vehicle, the guardrail can absorb the energy after the impact, so that the vehicle is not easy to be severely crashed, and at the same time it can play a good role in protecting the vehicle and the passengers. However, the traditional highway guardrails will be deformed to a certain extent after being hit, especially after being violently hit, the guardrails will produce deformations that are difficult to recover. The deformed guardrail not only makes the maintenance of the guardrail troublesome, but also affects the overall appearance of the guardrail of the expressway. In order to enable the highway guardrail to return to its undeformed...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01F15/02
CPCE01F15/02
Inventor 不公告发明人
Owner 厦门市科发交通工程有限公司
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