CN214697249U

CN214697249U - Zinc oxide based polyester composite coating guardrail

Info

Publication number: CN214697249U
Application number: CN202120354695.9U
Authority: CN
Inventors: 王利伟; 陈宇声; 常效康; 李岩
Original assignee: CCCC First Highway Engineering Co Ltd; CCCC Seventh Engineering Co Ltd
Current assignee: CCCC First Highway Engineering Co Ltd; CCCC Seventh Engineering Co Ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-11-12
Anticipated expiration: 2031-02-08

Abstract

The utility model discloses an epoxy zinc base polyester composite coating guardrail, including the guardrail body, the surface of guardrail body is provided with the inoxidizing coating. The utility model discloses a design epoxy zinc-based polyester composite coating, its free key on active epoxy group and metal surface plays the reaction and forms firm chemical bond in curing process, the riveting and inlaying structure that shot blasting pretreatment made coating and metal base member form, the chemical bond that forms between the coating, make composite coating inseparable integrative, epoxy zinc-based polyester composite coating has fabulous acidproofness, salt and better alkali resistance, its smog resistance is obviously superior to hot galvanizing coat simultaneously, epoxy zinc-based composite coating no matter is in atmospheric environment or in soil, do not oxidize, electroless chemical corrosion, can not cause the destruction of environment, thereby reach energy-conservation, the environmental protection, the effect that the corrosion protection performance is excellent, the current device is not energy-conserving, environmental protection, the poor problem of corrosion protection performance has been solved.

Description

Zinc oxide based polyester composite coating guardrail

Technical Field

The utility model relates to a guardrail technical field specifically is an epoxy zinc base polyester composite coating guardrail.

Background

At present, the highway steel guardrail at home and abroad mainly has three product types of hot galvanizing, hot galvanizing + polyester coating and hot galvanizing + polyethylene coating, and the product types have some defects, which are as follows: 1. high energy consumption, the hot galvanizing process temperature is generally about 450 ℃, the galvanizing production needs to consume very high heat energy, the production temperature is higher, the effective utilization rate of the heat energy is lower, most of the heat energy is lost, the waste of national energy is caused, when the hot galvanizing and polyethylene coating product is dip-coated with polyethylene, a workpiece needs to be heated to about 280 ℃, the use of the heat energy is further increased, 2, the environment is not protected, the zinc belongs to the heavy metal category, in the hot galvanizing production process, a large amount of acid mist and zinc ion emission can be generated in the pretreatment, a large amount of zinc dust can be generated in the galvanizing link, and although environmental protection measures are adopted by production enterprises, a part of the acid mist and the zinc flow into the environment, so the environmental pollution is caused; in addition, in the using process of zinc products, zinc is continuously dissolved into the environment through the corrosion of rainwater, so that the environmental pollution is caused, 3, the labor is more, most of the current hot galvanizing enterprises have low mechanization degree, and the galvanizing enterprises mostly depend on manual production, the production process of the hot galvanizing and polyethylene coating and the hot galvanizing and polyester coating is very long, the labor is further increased, and the product quality is unstable, particularly the hot galvanizing and polyester coating and the hot galvanizing and polyethylene coating, because zinc belongs to metal difficult to coat, the bonding force of the coating and the zinc layer is the weakness of the product and becomes the fundamental factor restricting the service life of the product, and the products go through a plurality of processes during production, further increasing the fluctuation of quality, therefore, the traditional production process of the steel guardrail can not meet the social requirements, and a new product with energy saving, environmental protection and excellent corrosion resistance is urgently needed to be developed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an epoxy zinc base polyester composite coating guardrail possesses energy-conservation, environmental protection, the excellent advantage of corrosion resisting property, has solved the current device not energy-conservation, not environmental protection, the poor problem of corrosion resisting property.

In order to achieve the above object, the utility model provides a following technical scheme: the epoxy zinc-based polyester composite coating guardrail comprises a guardrail body, wherein a protective layer is arranged on the surface of the guardrail body and comprises a heat insulation layer, an anti-rust layer, a waterproof layer, a wear-resistant layer and a bonding layer, the anti-rust layer is arranged on the top of the heat insulation layer, the waterproof layer is arranged on the top of the anti-rust layer, the wear-resistant layer is arranged on the top of the waterproof layer, an epoxy zinc-based polyester composite coating is arranged on the top of the protective layer and comprises a zinc-based epoxy coating and a polyester coating, and the polyester coating is arranged on the top of the zinc-based epoxy coating.

Preferably, the heat insulation layer is made of ceramic powder, and the anti-rust layer is made of VCI anti-rust particles.

Preferably, the waterproof layer is made of petroleum asphalt, and the wear-resistant layer is made of high manganese steel powder.

Preferably, the material of the bonding layer is metal aluminum powder, and the bonding layer is electroplated on the surface of the wear-resistant layer.

Preferably, the polyester coating is sprayed on the surface of the zinc-based epoxy coating, and the thickness of the polyester coating is less than that of the zinc-based epoxy coating.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a design epoxy zinc-based polyester composite coating, its free key on active epoxy group and metal surface plays the reaction and forms firm chemical bond in curing process, the riveting and inlaying structure that shot blasting pretreatment made coating and metal base member form, the chemical bond that forms between the coating, make composite coating inseparable integrative, epoxy zinc-based polyester composite coating has fabulous acidproofness, salt and better alkali resistance, its smog resistance is obviously superior to hot galvanizing coat simultaneously, epoxy zinc-based composite coating no matter is in atmospheric environment or in soil, do not oxidize, electroless chemical corrosion, can not cause the destruction of environment, thereby reach energy-conservation, the environmental protection, the effect that the corrosion protection performance is excellent, the current device is not energy-conserving, environmental protection, the poor problem of corrosion protection performance has been solved.

2. The utility model discloses a design insulating layer, the material that coefficient of heat conductivity is low can completely cut off thermal transmission, is cold-resistant more in cold areas, through design antirust coat, avoids this integument corrosion of guardrail, through the design waterproof layer, avoids moisture infiltration in high-pressure environment, improves the device's waterproof performance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front sectional view of the thermal insulation layer structure of the present invention;

FIG. 3 is a front view and a cross-sectional view of the zinc-based epoxy coating structure of the present invention.

In the figure: 1. a guardrail body; 2. a protective layer; 21. a thermal insulation layer; 22. a rust-proof layer; 23. a waterproof layer; 24. a wear layer; 25. a bonding layer; 3. epoxy zinc-based polyester composite coatings; 31. a zinc-based epoxy coating; 32. and (3) coating polyester.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an epoxy zinc-based polyester composite coating guardrail comprises a guardrail body 1, a protective layer 2 is arranged on the surface of the guardrail body 1, the protective layer 2 comprises a heat insulation layer 21, an anti-rust layer 22, a waterproof layer 23, a wear-resistant layer 24 and a bonding layer 25, the anti-rust layer 22 is arranged on the top of the heat insulation layer 21, the heat insulation layer 21 is made of ceramic powder, the anti-rust layer 22 is made of VCI anti-rust particles, the heat insulation layer 21 is designed to isolate heat transfer due to low heat conductivity, the guardrail body 1 is more cold-resistant in cold regions, the anti-rust layer 22 is designed to prevent the guardrail body 1 from being rusted, the waterproof layer 23 is designed to prevent moisture from permeating in a high-pressure environment and improve the waterproof performance of the guardrail device, the waterproof layer 23 is arranged on the top of the anti-rust layer 22, the waterproof layer 23 is made of petroleum asphalt, the wear-resistant layer 24 is made of high manganese steel powder, the wear-resistant layer 24 is arranged on the top of the waterproof layer 23, the material of the bonding layer 25 is metal aluminum powder, the bonding layer 25 is electroplated on the surface of the wear-resistant layer 24, the top of the protective layer 2 is provided with an epoxy zinc-based polyester composite coating 3, the epoxy zinc-based polyester composite coating 3 comprises a zinc-based epoxy coating 31 and a polyester coating 32, the polyester coating 32 is sprayed on the surface of the zinc-based epoxy coating 31, the thickness of the polyester coating 32 is smaller than that of the zinc-based epoxy coating 31, the top of the zinc-based epoxy coating 31 is provided with the polyester coating 32, through designing the epoxy zinc-based polyester composite coating 3, active epoxy groups and free bonds on the metal surface react in the curing process to form firm chemical bonds, the coating and a metal matrix form a riveting and embedding structure through shot blasting pretreatment, the chemical bonds formed between the coatings enable the composite coating to be compact and integrated, and the epoxy zinc-based polyester composite coating 3 has excellent acid resistance, salt resistance and better alkali resistance, meanwhile, the smoke resistance of the epoxy zinc-based composite coating is obviously superior to that of a hot-dip galvanized coating, and the epoxy zinc-based composite coating is not oxidized, does not have electrochemical corrosion in atmospheric environment or soil and cannot cause environmental damage, so that the effects of energy conservation, environmental protection and excellent corrosion resistance are achieved, and the problems of non-energy conservation, non-environmental protection and poor corrosion resistance of the conventional device are solved.

When the anti-rusting water-based polyester composite coating is used, active epoxy groups react with free bonds on the metal surface to form firm chemical bonds in the curing process by designing the epoxy-zinc-based polyester composite coating 3, the riveting and embedding structure formed by the coating and the metal substrate is formed by shot blasting pretreatment, the chemical bonds formed between the coatings are compact and integrated, the epoxy-zinc-based polyester composite coating 3 has excellent acid resistance, salt resistance and better alkali resistance, the smoke resistance of the epoxy-zinc-based polyester composite coating is obviously superior to that of a hot galvanizing layer, the epoxy-zinc-based composite coating is not oxidized or chemically corroded in the atmospheric environment or in soil and cannot cause environmental damage, the heat transfer can be isolated by designing a heat insulation layer 21 and a material with low heat conductivity coefficient, the epoxy-zinc-based polyester composite coating is more cold-resistant in cold regions, the anti-rusting layer 22 is designed to prevent the guardrail body 1 from being rusted, and the waterproof layer 23 is designed to prevent moisture from permeating in a high-pressure environment, the waterproof performance of the device is improved, so that the effects of energy conservation, environmental protection and excellent corrosion resistance are achieved.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent. In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an epoxy zinc base polyester composite coating guardrail, includes guardrail body (1), its characterized in that: the surface of the guardrail body (1) is provided with a protective layer (2), the protective layer (2) comprises a heat insulation layer (21), an anti-rust layer (22), a waterproof layer (23), a wear-resistant layer (24) and an adhesive layer (25), the anti-rust layer (22) is arranged on the top of the heat insulation layer (21), the waterproof layer (23) is arranged on the top of the anti-rust layer (22), the wear-resistant layer (24) is arranged on the top of the waterproof layer (23), the top of the protective layer (2) is provided with an epoxy zinc-based polyester composite coating (3), the epoxy zinc-based polyester composite coating (3) comprises a zinc-based epoxy coating (31) and a polyester coating (32), and the top of the zinc-based epoxy coating (31) is provided with the polyester coating (32).

2. The zinc-epoxy-based polyester composite coating guardrail of claim 1, wherein: the heat insulation layer (21) is made of ceramic powder, and the anti-rust layer (22) is made of VCI anti-rust particles.

3. The zinc-epoxy-based polyester composite coating guardrail of claim 1, wherein: the waterproof layer (23) is made of petroleum asphalt, and the wear-resistant layer (24) is made of high manganese steel powder.

4. The zinc-epoxy-based polyester composite coating guardrail of claim 1, wherein: the material of the bonding layer (25) is metal aluminum powder, and the bonding layer (25) is electroplated on the surface of the wear-resistant layer (24).

5. The zinc-epoxy-based polyester composite coating guardrail of claim 1, wherein: the polyester coating (32) is sprayed on the surface of the zinc-based epoxy coating (31), and the thickness of the polyester coating (32) is smaller than that of the zinc-based epoxy coating (31).