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Predeforming device for welding

A pre-deformation and strip-shaped technology, applied in auxiliary devices, welding equipment, auxiliary welding equipment, etc., can solve problems such as complex structures of pre-deformation devices

Inactive Publication Date: 2011-04-13
龙海燕
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structure of typical pre-deformation devices is complex

Method used

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  • Predeforming device for welding
  • Predeforming device for welding
  • Predeforming device for welding

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Experimental program
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Embodiment Construction

[0013] The specific structures and characteristics known in this solution will not be described here. Such as figure 1 As shown: two 12# channel steel legs are welded to each other to form a square column-shaped main frame 1. The main frame 1 is fixed on the ground by bolts. Two 16mm thick steel plates are vertically welded at both ends of the main frame 1. 2. A square fixing hole 3 is opened on the upper end of the bracket 2 . The screw jack 4 is fixed on the main frame 1 middle part by bolts.

[0014] The welding process using this welding pre-deformation device is as follows: figure 2 As shown: put the two ends of the bar-shaped weldment 5 in the fixing hole 3 respectively, and the welding surface of the weldment 5 needs to face up (such as figure 2 shown), and then drive the jack 4 to apply a thrust upward to make the weldment 5 bend (such as image 3 shown), and then start to weld the weldment 5. After the welding operation is completed, the jack 4 is driven to remo...

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Abstract

The invention relates to auxiliary equipment for a welding process and aims at providing a predeforming device with simple structure for welding. Vertical brackets are respectively arranged at two ends of a horizontally-arranged strip-shaped main frame and provided with fixing holes for fixing welding pieces; and a jack is arranged in the middle of the main frame.

Description

technical field [0001] The invention relates to an auxiliary device for a welding process. Background technique [0002] When welding thin plate components, due to the uneven heating of the heat source, a residual compressive plastic strain field and a residual stress field are formed on the component. The residual stress field will make the component unstable and deformed. There are usually two methods to eliminate the welding deformation of thin plate members: one is to pre-deform the workpiece before welding, and use the pre-deformation opposite to the welding deformation to compensate for the welding deformation; the other is to correct the existing deformation after welding. out of shape. [0003] The pre-deformation process is usually required during welding. On a special welding tire frame, a locking device is used to pre-apply pressure on the weldment to the reverse of its welding deformation, so that it produces a certain amount of reverse deformation. When weldin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K37/00
Inventor 彭文高黄书凯马光辉文怡然竺栋刘嘉陈家辉杨令
Owner 龙海燕