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Hydraulic pipe orifice assembly reshaping device

A hydraulic nozzle technology, applied in the field of hydraulic nozzle group shaping equipment, can solve the problems of low construction efficiency, difficult bottom shaping, high cost, etc., and achieve the effects of convenient loading and unloading, reduced labor intensity and light weight

Inactive Publication Date: 2012-03-14
BEIJING UNION UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has low construction efficiency and high cost, and because the pipe cannot rotate along the circumferential direction during the welding process, it is extremely difficult to shape the bottom

Method used

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  • Hydraulic pipe orifice assembly reshaping device
  • Hydraulic pipe orifice assembly reshaping device
  • Hydraulic pipe orifice assembly reshaping device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] In the figure: 1-rear roller 2-sequence valve 3-positioning plate 4-shaping plate 5-guide plate 6-traction plate 7-one-way valve 8-oil pipe quick connector 9-positioning plate lower plate 10-front roller 11-roller bracket 12-Positioning plate plunger cylinder 13-Positioning plate push rod 14-Positioning plate return spring 15-Positioning plate upper plate 16-Positioning plate pin shaft 17 Pipeline 18-Shaping plate lower plate 19-Shaping plate plunger cylinder 20-Shaping plate Upper plate 21 Shaping disc return spring 22- Shaping disc push rod 23- Ultra-high pressure hydraulic power station (ultra-high pressure pump source) 24- Reversing valve 25- Hydraulic control check valve 28- Shaping disc pin 27- Rack.

[0013] Such as figure 1 As shown, the best embodiment of the hydraulic nozzle group pair shaping equipment of the present invention includes four parts: a positioning plate 3, a shaping plate 4, a traveling roller and an ultra-high pressure hydraulic system.

[001...

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Abstract

The invention relates to a hydraulic pipe orifice assembly reshaping device, which is used for auxiliary operations of welding a pipe orifice assembly on a municipal construction site. The reshaping device comprises a hydraulic positioning disk, a hydraulic reshaping disk, a walking roller wheel and an extra high pressure hydraulic power station system positioned outside the device. The positioning disk positions and compresses welded pipeline inner walls of the device and pipe groups, and the reshaping device uses the reshaping disk to reshape a port at the pipe orifice assembly and is used for on-site pipeline welding construction.

Description

technical field [0001] The invention relates to the technical field of pipeline construction, in particular to the technical field of welding medium-diameter pipelines at narrow construction sites, and is a hydraulic nozzle group pair shaping device for positioning and shaping the nozzle group pairs. Background technique [0002] φ400~φ700mm medium-diameter steel pipes are mostly used for laying municipal gas, water supply and drainage pipelines. Due to the short laying distance and small pipe diameter, it is usually not suitable to use all-position automatic welding machines for pipelines, internal welding machines, and medium-frequency heaters for pipelines. Suitable for large-diameter pipes , Automated construction equipment for long-distance pipeline construction, but manual welding is mostly used. In the welding process of the nozzle group pair, the roundness consistency of the welding port is relatively strict. If the roundness consistency accuracy at the nozzle is not...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D3/14B23K37/04
Inventor 毛智勇季红益刘晓彤
Owner BEIJING UNION UNIVERSITY
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