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Welding missing control device and welding missing control method for butt welding seams of guide pipes in complicated spatial orientation

A technology of butt welding seam and control device, which is applied in pipeline systems, manufacturing tools, welding equipment, etc., to achieve good processing technology, economy, and compact structure.

Active Publication Date: 2014-07-16
BEIJING XINGHANG MECHANICAL ELECTRICAL EQUIP
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is: how to design a device and method that can accurately control the leakage of the butt weld of the conduit with complex directions in space

Method used

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  • Welding missing control device and welding missing control method for butt welding seams of guide pipes in complicated spatial orientation
  • Welding missing control device and welding missing control method for butt welding seams of guide pipes in complicated spatial orientation
  • Welding missing control device and welding missing control method for butt welding seams of guide pipes in complicated spatial orientation

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Embodiment Construction

[0024] In order to make the purpose, content, and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0025] The present invention provides a control device for butt weld leakage control of conduits with complex directions in space. The conduits with complex directions in space refer to conduits with multiple curved sections. Seam weld leakage refers to the back reinforcement of the butt weld.

[0026] Such as figure 1 As shown, a leakage control device for butt welds of conduits with complex directions in space provided by the present invention includes: expansion block 1, wedge-shaped shaft 2, stop block 3 and steel wire rope 4;

[0027] Such as figure 2 As shown, the number of the expansion blocks 1 is three, and the arc-shaped contours of the outer arc surfaces of the three expansion blocks 1 form a circle, and ...

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Abstract

The invention relates to a welding missing control device and a welding missing control method for butt welding seams of guide pipes in complicated spatial orientation, and belongs to the field of manual argon arc welding technologies for guide pipes. The welding missing control device and the corresponding welding missing control method have the advantages that the welding missing control device is compact in structure, is flexibly combinable and detachable and can be placed on the backs of butt welding seams of the complicated guide pipes, and excess weld metal on the backs of the welding seams can be precisely controlled; the welding missing control device has a detachable function and can be taken out of pipelines of the guide pipes with complicated spatial structure after the welding seams are welded, accordingly, the problem of incapability of controlling excess weld metal on the backs of butt welding seams of pipelines in complicated orientation and with diameters larger than phi15mm can be solved, and the welding missing control device and the welding missing control method are excellent in machining technological efficiency and economical efficiency.

Description

technical field [0001] The invention relates to the technical field of catheter manual argon arc welding, in particular to a device and method for controlling butt weld leakage of catheters with complex directions in space. Background technique [0002] The fuel and cooling systems in aviation, aerospace, automobile and other manufacturing fields are composed of complex pipelines, and most of the pipelines are welded in the form of butt joints. Weld leakage, prevent the blockage of the pipeline from affecting the gas or liquid flow inside the conduit, that is, it has the ability to pass through steel balls with a certain diameter. Therefore, when the conduit is butt welded in the past, a straight round rod welding mandrel is often used to control the reinforcement on the back of the conduit weld. However, for complex pipelines, when the butt weld of the conduit is located between two curved sections, it is impossible to pass through the welding mandrel to control the weld le...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/32B23K9/16B23K9/02
CPCB23K9/0282B23K9/035B23K2101/10
Inventor 朱冬妹王瑞刘章光高海涛于仓瑞武珂
Owner BEIJING XINGHANG MECHANICAL ELECTRICAL EQUIP
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