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Anti-deformation device used for welded test-pieces

A technology of anti-deformation and test pieces, applied in auxiliary devices, welding equipment, welding equipment, etc., can solve the problems of complex production, poor anti-deformation effect, high cost, etc., and achieve the effect of simple operation, good welding effect and low cost

Inactive Publication Date: 2017-05-31
WUHAN YIYE STEEL STRUCTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, some of the rigid fixing devices commonly used in construction and production are complicated to manufacture and high in cost, and some are simple in structure but have poor anti-deformation effects, and most of them are disposable application devices

Method used

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  • Anti-deformation device used for welded test-pieces
  • Anti-deformation device used for welded test-pieces

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0017] Such as figure 1 and figure 2 As shown, an anti-deformation device for a welding test piece 3 includes a bottom plate 1, two backing plates 2 and two pressure plates 4, the two backing plates 2 are placed on the top surface of the bottom plate 1, and the two pressure plates 4 are respectively placed on On the top surfaces of the two backing plates 2, a gap A is formed between the two backing plates 2, and a gap B is formed between the two pressure plates 4. The gap A and the gap B are parallel to each other and are located at the center of the bottom plate 1. The bottom plate 1, The backing plate 2 and the pressure plate 4 are connected by bolt and nut assemblies (including bolts 5, washers 6 and nuts 7) respectively located at the four corners of the bottom plate 1; Between the plate 2 and the pressure plate 4, the welding groove is located w...

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Abstract

The invention relates to an anti-deformation device used for welded test-pieces. The anti-deformation device comprises a bottom plate, two cushion plates and two pressing plates. The two cushion plates are placed on the top face of the bottom plate. The two pressing plates are placed on the top faces of the two cushion plates. A gap A is formed between the two cushion plates. A gap B is formed between the two pressing plates. The gap A and the gap B are parallel to each other and are both located in the central position of the bottom plate. The bottom plate, the cushion plates and the pressing plates are connected through bolt and nut assemblies located at the position of the four corners of the bottom plate. At the time of welding, the two welded test-pieces are compressed and fixed between the two sets of the cushion plates and the pressing plates correspondingly, and a welding groove is located in the overlapping range of the projection of the gap A and the gap B to the bottom plate. The device is good in anti-deformation effect, easy to operate, capable of being recycled, good in welding effect and low in cost.

Description

technical field [0001] The invention belongs to the field of welding, and in particular relates to an anti-deformation device for a welding test piece. Background technique [0002] Before the construction of pressure equipment and steel structure engineering, it is often necessary to weld a large number of process test pieces in order to formulate the welding process. During the welding process of the test piece, due to local high temperature heating, the temperature distribution on the weldment is uneven, so that the shape and dimensional accuracy of the test piece change, and it is difficult to meet the technical requirements. Generally, the anti-deformation method and the multiple flip method are often used during welding, but these methods of preventing the deformation of the test piece only by experience cannot meet the requirements. This requires a rigid fixation method to increase the stiffness or restraint of the weldment, so as to achieve the purpose of reducing d...

Claims

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Application Information

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IPC IPC(8): B23K31/00B23K37/04
CPCB23K31/003B23K37/0435
Inventor 白晓良唐谱洪莫芝林
Owner WUHAN YIYE STEEL STRUCTURE
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