Anti-deformation supporting device for assembling and welding nozzle connecting pipe

A support device and anti-deformation technology, which is applied in auxiliary devices, welding equipment, welding equipment, etc., can solve the problems of inapplicability of anti-deformation devices, and achieve the effects of improving product quality, reliable anti-deformation, and preventing welding deformation

Pending Publication Date: 2022-03-18
HARBIN BOILER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The position of the anti-deformation support of the connecting pipe is 354mm from the end of the connecting pipe, and the anti-deformation device applicable to the end of the pipe is no longer applicable

Method used

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  • Anti-deformation supporting device for assembling and welding nozzle connecting pipe

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] An anti-deformation support device for nozzle pipe fitting and welding, which consists of a gland 2, a pull rod 6, a positioning tube 5, an expansion piece 7 and a pull plate 8, the bottom of the pull rod is threadedly connected with a nut 1, and the bottom of the pull rod is threaded. The pull plate and the expansion sheet are sheathed in turn, the positioning tube is put on the tie rod, the gland is put on the tie rod and fixed with the connecting pipe 10 by the bolt 3 .

Embodiment 2

[0016] According to the anti-deformation support device for nozzle pipe assembly and welding described in Embodiment 1, the slope at the bottom of the positioning tube, the slope at the top of the pull plate and the slope of the expansion piece are attached.

Embodiment 3

[0018] According to the anti-deformation support device for welding nozzle nozzles described in Embodiment 1 or 2, the expansion sheet is composed of three circular arc sheets.

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PUM

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Abstract

Provided is a nozzle connecting pipe welding anti-deformation supporting device. The distance between the position of the connecting pipe anti-deformation support and the end portion of the connecting pipe is 354 mm, and an anti-deformation device suitable for the end portion of the pipe is not suitable. The device comprises a gland (2), a pull rod (6), a positioning pipe (5), an expansion sheet (7) and a pull plate (8), the bottom of the pull rod is in threaded connection with a nut (1), the pull rod is sequentially sleeved with the pull plate and the expansion sheet, the pull rod is sleeved with the positioning pipe, the pull rod is sleeved with the gland, and the gland is fixed to a connecting pipe (10) through a bolt (3). The anti-deformation supporting device is used for assembling and welding of the nozzle connecting pipe.

Description

technical field [0001] The invention relates to an anti-deformation support device for welding nozzles. Background technique [0002] The nozzle adapter of the new product produced by the company has an outer diameter of φ219mm and a wall thickness of 12.7mm; the welded nozzle on the adapter has an outer diameter of φ114mm and a wall thickness of 5mm. Both the connecting pipe and the nozzle are stainless steel thin-walled pipes. After welding, it is necessary to ensure that the specific position of the connecting pipe does not shrink and deform, and heating correction after welding is not allowed. In order to prevent welding deformation during welding of two pieces, it is necessary to install an anti-deformation device at a specific position inside the connecting pipe. The anti-deformation tooling for this kind of thin-walled pipe is usually in the form of a support tube and a top tightening block at the end of the pipe, and the purpose of tightening and dismounting is achi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K37/053B23K31/00
CPCB23K37/0533B23K31/003
Inventor 季文波李晓红康宝龙王立昆曲郁禅程亮
Owner HARBIN BOILER
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