Pipeline flash butt-welding welding seam plasma slag clearing and heat treatment machine

A technology of flash butt welding and plasma, which is applied in heat treatment furnaces, heat treatment equipment, plasma welding equipment, etc., can solve the problems of small pipes that cannot be inserted into the pipe, labor intensity of workers, complex structure, etc., and achieve good weld repair effect, The effect of good equipment flexibility and compact equipment structure

Active Publication Date: 2013-12-18
CHINA-UKRAINE INST OF WELDING GUANGDONG ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the labor intensity of the manual grinding method is high, the efficiency is low, and it is impossible to extend into the pipe for small pipes.
The disadvantage of the mechanical push-and-convex method wh

Method used

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  • Pipeline flash butt-welding welding seam plasma slag clearing and heat treatment machine
  • Pipeline flash butt-welding welding seam plasma slag clearing and heat treatment machine
  • Pipeline flash butt-welding welding seam plasma slag clearing and heat treatment machine

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Example Embodiment

[0026] Such as Figure 1-Figure 7 As shown, the pipeline flash butt welding seam plasma slag removal and heat treatment machine of the present invention includes a pipe crawling positioning mechanism, an inner pipe welding seam plasma slag removal and heat treatment mechanism that promotes displacement and positioning through the pipe crawling positioning mechanism, and is used for The monitoring unit that controls the crawling positioning mechanism in the tube and the plasma cleaning and heat treatment mechanism of the welding seam in the tube, and the position adjustment mechanism in the tube that controls the action through the monitoring unit. The position adjustment mechanism in the tube is set in the crawling positioning mechanism in the tube and the welding seam plasma cleaning and slag removal. Between heat treatment institutions. Among them, such as figure 1 and image 3 As shown, the in-tube crawling positioning mechanism is a work cart that integrates mechanical, ele...

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Abstract

The invention relates to a pipeline flash butt-welding welding seam plasma slag clearing and heat treatment machine, which comprises an in-pipe climbing positioning mechanism, an in-pipe welding seam plasma slag clearing and heat treatment mechanism and a monitoring unit, wherein the in-pipe welding seam plasma slag clearing and heat treatment mechanism realizes the pushing displacement and positioning through the in-pipe climbing positioning mechanism, and the monitoring unit is used for controlling the in-pipe climbing positioning mechanism and the in-pipe welding seam plasma slag clearing and heat treatment mechanism. The pipeline flash butt-welding welding seam plasma slag clearing and heat treatment machine has the advantages that the flexibility of the equipment is good, the adaptation to pipelines with different sizes is high, welding seams inside pipelines with different pipe diameters can be subjected to welding seam slag clearing and heat treatment by a set of equipment, and the slag clearing effect of the welding seams is good; the welding seams can be subjected to heat treatment during the slag clearing, the mechanical property of the welding seams can be obviously improved, and the service life of the welding seams is prolonged; the equipment structure is compact, the miniaturization of the whole machine is easily realized, in addition, the application range is wide, and the machine is applicable to different metal pipelines with the diameter range being 219mm to 325mm.

Description

technical field [0001] The invention relates to the technical field of plasma technology applied to pipeline flash butt welding, in particular to a plasma slag cleaning and heat treatment machine for internal weld seams of pipeline flash butt welding pipes. Background technique [0002] Flash butt welding is an advanced welding method. Compared with traditional welding methods, it has the following advantages: 1. It belongs to solid phase welding without molten pool and high welding quality; 2. No need to add deposited metal, and the chemical composition of welded joints It is the same as the base metal; 3. No need for gas protection or slag protection, eliminating the source of pollution; 4. High degree of automation, no need to rely on manual welding skills; 5. Short welding cycle and high welding efficiency. [0003] Although the flash welding technology has many advantages, there is a very critical technical bottleneck in the flash welding technology, that is, the weld r...

Claims

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Application Information

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IPC IPC(8): B23K10/00C21D9/50
CPCY02P10/20
Inventor 高世一陈和兴李海权郭春富刘正林房卫萍易耀勇郑世达
Owner CHINA-UKRAINE INST OF WELDING GUANGDONG ACAD OF SCI
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