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Steel structure joint corrosion prevention method and mold

A technology for steel structures and joints, applied in the direction of pretreatment surface, spraying device, coating, etc., can solve the problems of uneven rust removal surface, inability to remove rust in dark seams, and dense bolts, etc., to achieve high grinding efficiency and low cost. , Easy to operate effect

Pending Publication Date: 2021-10-01
POWERCHINA SEPCO1 ELECTRIC POWER CONSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a steel structure node anti-corrosion method and a mold, using the pre-carried out grinding and derusting method, to avoid grinding and derusting after the installation of the steel structure node connecting plate, thereby solving the problem of The bolts at the joint position are dense, and the rust removal surface is uneven, which causes the problem that the hidden seam corrosion cannot be removed, and the pre-polishing efficiency is high and easy to operate; use to avoid rust foam floating around when the steel structure joint is polished and derusted after installation; use The prefabricated mold seals the bolt holes on the connecting plate, which can be directly operated, the construction process is simple, and the cost is low

Method used

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  • Steel structure joint corrosion prevention method and mold
  • Steel structure joint corrosion prevention method and mold
  • Steel structure joint corrosion prevention method and mold

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Embodiment 1

[0029] In a typical implementation of the present invention, this embodiment discloses a steel structure node anticorrosion method, specifically, including the following steps:

[0030] The steel structure node connection plate 3 is polished and derusted before installation;

[0031] Use a plugging mold to plug the bolt holes of the connecting plate 3 of the steel structure node;

[0032] Spray the steel structure node connecting plate 3 after grinding and derusting;

[0033] After the spraying construction is completed, the sprayed material is dried, the mold is removed, and reused on the next set of connecting plates 3 .

[0034] The anti-corrosion method in this embodiment at least solves the following problems, 1) use the method of grinding and derusting in advance to avoid grinding and derusting after the steel structure node connecting plate 3 is installed, thereby solving the problem of dense bolts at the node position and removing The rusty surface is uneven, causing...

Embodiment 2

[0057] In a typical implementation of the present invention, this embodiment discloses a mold for anticorrosion construction of steel structure nodes, which is used to implement the anticorrosion method for steel structure nodes as described in Example 1, including plugging and plugging steel The plugging part 2 of the bolt hole of the structural node connection plate 3 is cylindrical; one end of the plugging part 2 is expanded to form a covering part for covering the area around the bolt hole.

[0058] The swollen portion 1 is umbrella-shaped. Specifically, the swollen portion 1 has at least one arc surface and a plane for contacting the connecting plate 3. This plane can ensure that the connection between the swollen portion 1 and the connecting plate 3 can prevent Droplets of paint enter.

[0059] After the mold is inserted into the bolt hole of the steel structure node connecting plate 3, the painted surface of the steel structure node connecting plate 3 is blocked by the ...

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Abstract

The invention discloses a steel structure joint corrosion prevention method and a mold, and belongs to the technical field of buildings. A method for polishing and derusting in advance is used for preventing polishing and derusting after installation of a steel structure joint connecting plate, so that the problem of incapability of thoroughly removing dark joint rust due to dense bolts in joint positions and uneven derusting surfaces is solved, the pre-polishing efficiency is high, and the operation is easy; rust foam is prevented from flying all around during polishing and derusting after installation of steel structure joints; bolt holes in the connecting plate are blocked by using a prefabricated mold; the operation can be directly performed; the construction process is simple; and the cost is low. The method comprises the following steps before installation of the steel structure joint connecting plate: polishing and derusting the steel structure joint connecting plate; blocking the bolt holes of the steel structure joint connecting plate by using a blocking mold; spraying the polished and derusted steel structure joint connecting plate; and after the spraying construction is finished and spraying materials are dried, taking down the mold, and reusing the mold on the next set of connecting plate.

Description

technical field [0001] The invention belongs to the technical field of construction, and in particular relates to a steel structure node anticorrosion method and a mold. Background technique [0002] Steel structure node paint is a construction project with cumbersome construction procedures. The current steel structure is convenient for transportation, speeds up installation efficiency, and facilitates construction. Most of them are node friction plate connection construction methods. Moreover, the rust removal surface is uneven, causing the hidden seam rust to be unable to be removed, and the rust removal efficiency is low. [0003] The existing method of grinding steel frame nodes is to use waterproof plugging putty for construction, which is complicated in process and high in cost. [0004] During the derusting process, the rust foam is scattered around, which is extremely easy to cause secondary pollution of the steel frame. After the derusting is completed, it is impo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D1/02B05D3/12B05B12/26B05B12/20
CPCB05D1/02B05D3/12B05B12/26B05B12/20
Inventor 鞠万坤王海涛杨鹏宇杨德丰郑旭豪
Owner POWERCHINA SEPCO1 ELECTRIC POWER CONSTR CO LTD
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