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A welding method for steel structure frame and steel structure frame

A steel structure frame and welding method technology, applied in welding equipment, welding/welding/cutting items, manufacturing tools, etc., can solve problems such as low production efficiency, poor flatness, warping and deformation of top and bottom plates, and improve production efficiency effect

Active Publication Date: 2021-11-23
中船发动机有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The inventor found that the traditional assembly welding method is used to weld this kind of steel structure frame. After the overall welding, the top plate and the bottom plate will be warped and deformed, and the overall flatness is poor, which cannot meet the production requirements. It is necessary to carry out flame adjustment after welding , to restore flatness, low production efficiency

Method used

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  • A welding method for steel structure frame and steel structure frame
  • A welding method for steel structure frame and steel structure frame
  • A welding method for steel structure frame and steel structure frame

Examples

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Embodiment 1

[0030] In a typical implementation of the present invention, Example 1 discloses a welding method for a steel structure frame. When assembling the top plate 2 and the bottom plate 1, anti-deformation adjustment is performed, and the whole is returned to the horizontal position after welding. state. During this process, the positions of the top plate 2 and the bottom plate 1 are reversed once, that is, the top plate 2 is first used as a reference. The top plate 2 is located on the bottom side during welding and is in contact with the workbench or the ground; the T-shaped plate and some parts are welded on the top plate 2. Then weld the connected bottom plate 1, and finally weld another part of the ribs to form the first symmetrical part 100 of the steel structure; the second symmetrical part of the steel structure is also welded in this way; finally, the first symmetrical part of the steel structure The part 100 and the second symmetrical part 200 of the steel structure are con...

Embodiment 2

[0046] In a typical implementation of the present invention, Example 2 discloses a steel structure frame manufactured using the method in Example 1.

[0047] The specific structure of the steel structure frame in this embodiment is to include a first symmetrical part of the steel structure and a second symmetrical part of the steel structure. The first symmetrical part and the second symmetrical part are symmetrical in shape, and both include side cylindrical parts and vertical connections The left cylindrical portion and the right cylindrical portion of the side cylindrical portion, the left cylindrical portion has a certain distance from the left end of the side cylindrical portion, and the right cylindrical portion has a certain distance from the right end of the side cylindrical portion there is a certain distance.

[0048] It can be understood that the cross sections of the side cylindrical part, the left cylindrical part and the right cylindrical part are all rectangular...

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Abstract

A welding method for a steel structure frame and a steel structure frame belong to the technical field of welding, which can avoid the warping deformation of the top plate and the bottom plate after the overall welding is completed, cancel the shape adjustment process, and improve the production efficiency. The middle pad height of the top plate and / or the bottom plate is adjusted for anti-deformation, and then the top plate and / or the bottom plate are returned to a horizontal state after welding. The welding method includes the following steps: checking the flatness of the top plate and the bottom plate; One part and the second part, elevate the middle of the top plate to use the self-weight of the top plate to do reverse deformation, and assemble the T-shaped plate inside the steel structure frame with the top plate as the benchmark; Reverse deformation; connect the first and second parts of the steel frame and assemble the ribs.

Description

technical field [0001] The invention belongs to the field of welding technology, and in particular relates to a welding method for a steel structure frame and the steel structure frame. Background technique [0002] The statements herein merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] The melting of steel is local heating at the joint, so that the welded material and the added welding material are melted into liquid metal, forming a molten pool, and then cooled and condensed into a solid metal. Due to welding heating, the base metal outside the fusion line expands. Then cooling. The molten pool metal and the base metal near the fusion line shrink, and the rapid expansion and contraction deformation in the local area due to heating and cooling are restrained to produce plastic deformation. In this way, after the welding is completed and cooled to room temperature The plastic deformation remains, thu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K31/02B23K31/00B23K103/04
CPCB23K31/003B23K31/02B23K2103/04
Inventor 高兰云李忠明魏宁欧志文武英海印英猛张鑫陈浩王永龙吕律
Owner 中船发动机有限公司
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