CN2746039Y

CN2746039Y - Guard rail having anticorrosion layer

Info

Publication number: CN2746039Y
Application number: CN 200420108521
Authority: CN
Inventors: 王震宇; 李铁军; 毛建军; 卢大波
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-10-27
Filing date: 2004-10-27
Publication date: 2005-12-14
Anticipated expiration: 2014-10-27

Abstract

Disclosed is a guard rail having an anticorrosion layer, which relates to the improvement of the structure of the guard rail. The technical problem to be solved of the utility model is to provide the guard rail having an anticorrosive layer with good property of corrosion prevention. The utility model comprises a guard rail body (2) with external surface provided with a zinc layer or an aluminium layer (1), characterized in that the exterior surface of the zinc layer or the aluminium layer (1) is provided with a bottom layer and a surface layer from interior to exterior. The bottom layer is an epoxy zinc-enriched coating (3), and the surface layer is a fatty group polyurethane coating (4).

Description

A kind of guardrail with anticorrosive coat

Technical field:

The utility model relates to the improvement of guard bar structure.

Background technology:

Usually adopt the steel guardrail in the speedway both sides at present, owing in use easily get rusty, people generally are soaked with zinc layer or aluminium lamination and are used for preventing to get rusty on the guardrail surface, but in the process of using, because a variety of causes, the guardrail surface is destroyed and is had rusty stains, and has so both influenced attractive in appearance, also shortened the application life of guardrail, handled, soak the zinc layer or aluminium lamination will expend great amount of manpower and material resources and guardrail pulled down again.

The utility model content:

Technical problem to be solved in the utility model provides a kind of guardrail with anticorrosive coat of corrosion resistance and good.

The utility model adopts following technical scheme: the utility model comprises that appearance has the guardrail body of zinc layer or aluminium lamination, its structural feature is that zinc layer or aluminium lamination external surface are provided with bottom, surface layer from inside to outside, bottom is epoxy zinc-rich coating or glass flake layer, and surface layer is the aliphatic polyurethane layer.

The beneficial effects of the utility model:

Zinc layer of the present utility model or aluminium lamination external surface are provided with bottom, surface layer from inside to outside, bottom is the epoxy zinc-rich coating, surface layer is the aliphatic polyurethane coating, because the compound action of bottom and surface layer, guardrail of the present utility model is more corrosion-resistant than the guardrail that existing surface is soaked with zinc layer or aluminium lamination.

Description of drawings:

Fig. 1 is a structural representation of the present utility model;

The A-A sectional view of Fig. 2 Fig. 1.

The specific embodiment:

The utility model comprises that appearance has the guardrail body 2 of zinc layer or aluminium lamination 1, and zinc layer or aluminium lamination 1 external surface are provided with bottom, surface layer from inside to outside, and bottom is an epoxy zinc-rich coating 3, and surface layer is an aliphatic polyurethane coating 4.

To having the guardrail of zinc layer:

The place polishing that guardrail is got rusty is clean, and it is thick that spraying one deck epoxy zinc-rich coating 3, this coating are controlled at 100um, zinc powder accounts for more than 70% of weight in dry film, air dry sprayed one deck aliphatic polyurethane coating 4 after solidifying fully in 24 hours again, and this coating layer thickness is more than 70um.

To having the guardrail of aluminium lamination:

Clean the place polishing that guardrail gets rusty, spraying one deck epoxy zinc-rich coating 3, this coating is controlled at more than the 70um, after treating to solidify fully, sprays one deck aliphatic polyurethane coating 4 again, and this coating layer thickness is more than 50um.

Claims

1. guardrail with anticorrosive coat, comprise that appearance has the guardrail body (2) of zinc layer or aluminium lamination (1), it is characterized in that zinc layer or aluminium lamination (1) external surface is provided with bottom, surface layer from inside to outside, bottom is epoxy zinc-rich coating (3), and surface layer is aliphatic polyurethane coating (4).