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Special welding gun for wire slot grounding stud

A technology of studs and welding torches, which is applied to the characteristics of welding rods, welding equipment, arc welding equipment, etc. It can solve the problems that the torch body is too long and cannot complete the welding operation of the wire slot grounding stud, so as to reduce the size of the torch head and compact structure ,Easy to operate and labor-saving effect

Active Publication Date: 2016-04-06
XI AN RAILWAY TRANSPORTATION EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing stud welding torches on the market all have the problem of too long gun body, which cannot complete the welding operation of the grounding stud of the trunking

Method used

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  • Special welding gun for wire slot grounding stud
  • Special welding gun for wire slot grounding stud
  • Special welding gun for wire slot grounding stud

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] see figure 1 and figure 2 , The tip structure of the preferred embodiment of the present invention includes a conductive tip 2 , an insulating sleeve 1 and a guide rod 3 . The guide rod 3 is coaxially arranged in the insulating sleeve 1 , and the contact tip 2 is installed at one end of the guide rod 3 . The insulating bushing 1 undertakes the functions of positioning, guiding and arc extinguishing, replaces the functions of the three positioning claws, the guide ring and the insulating sleeve of the common torch head, and simultaneously increases the function of arc extinguishing. The torch head of this embodiment has the characteristics of compact structure and small size, and is suitable for welding grounding studs in wire slots with narrow spaces.

[0018] In order to further reduce the size of the gun head, in this embodiment, the end of the guide rod 3 where the conductive tip is installed is set as a hollow tube, the conductive tip 2 is installed inside the ho...

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Abstract

The invention relates to a special welding gun for a wire slot grounding stud. The special welding gun comprises a handle and a gun head, wherein the gun head comprises a contact tube, an insulating sleeve and a guide rod; the guide rod is coaxially arranged in the insulating sleeve; and the contact tube is mounted at one end of the guide rod. By arranging the insulating sleeve, the special welding gun can realize functions of positioning and guiding; three parts, namely a positioning three-jaw, a guide ring and the insulating sleeve, in a common gun head, are replaced, so that the structure is compact, and the gun head dimension is reduced; and meanwhile, an arc extinguishing function is also increased.

Description

technical field [0001] The invention relates to a special welding torch for a grounding stud of a trunking. Background technique [0002] During the inspection and maintenance of rail vehicles, it was found that some wire slots on the cars were not effectively grounded, and there was a greater safety risk. Therefore, it was necessary to weld the ground studs to the wire slots on the cars. Common welding methods have the defects of large sparks and large welding deformation, so only stud welding machines with small welding deformation and small sparks can be used for welding. Due to the narrow space where the trunking is installed on the vehicle, the welding space for the grounding bolt is only 75mm. According to the calculation results, in order to ensure effective welding, the length of the contact tip should not be less than 15mm, so the combined size of the welding torch guide, wire installation, return spring, welding positioning, contact tip locking device and other ac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/28B23K9/26B23K9/20
CPCB23K9/0026B23K9/20B23K9/26B23K9/28B23K2101/006
Inventor 王勇军刘小强程里
Owner XI AN RAILWAY TRANSPORTATION EQUIP
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