Steel plate butt welding positioning device and counterpoint method

A welding positioning and positioning device technology, applied in the direction of auxiliary equipment, welding equipment, auxiliary welding equipment, etc., can solve the problem of fine-tuning the gap between two steel plates and the fine adjustment of coplanarity, warping and deformation of steel plates, and non-destructive testing of welds. Qualified and other issues, to achieve the effect of convenient construction, improve precision and save construction cost

Active Publication Date: 2013-11-06
CHINA NUCLEAR IND 22ND CONSTR
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AI Technical Summary

Problems solved by technology

The disadvantage of the existing steel plate butt welding positioning technology is that it is difficult to fine-tune the pairing gap and coplanarity of two steel plates, and at the same time, it is also difficult to adjust the alignment of steel plates (especially thick steel plates, that is, steel plates with a thickness greater than 3 mm).

Method used

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  • Steel plate butt welding positioning device and counterpoint method
  • Steel plate butt welding positioning device and counterpoint method
  • Steel plate butt welding positioning device and counterpoint method

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[0029] The structure of the present invention is as figure 1 -12: A steel plate butt welding positioning device. The positioning device includes a C-shaped bending plate 1, a connecting plate 2. The connecting plate 2 is provided with a groove 7 for fixing the C-shaped bending plate 1, and the C-shaped bending plate 1 is fixed In the groove 7, a connecting plate 2 and two C-shaped bending plates 1 are welded together to form a connecting piece; the positioning device also includes a shear key 3, which is welded to the steel plate that needs to be butt connected, The anti-shear key 3 is provided with a circular hole 8, and the bolt 4 is inserted into the circular hole 8 of the anti-shear key 3.

[0030] A bent plate hole 9 is provided on the bottom surface 10 of the C-shaped bent plate 1 opposite to the opening. The bent plate hole 9 is larger than the shape of the shear key 3, and the shear key 3 can pass through the bent plate hole 9.

[0031] The method for positioning the butt weld

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Abstract

The invention discloses a steel plate butt welding positioning device and a counterpoint method. The positioning device comprises two C-shaped bending plates and a connecting plate, wherein a groove used for fixing the C-shaped bending plates is formed in the connecting plate, the C-shaped bending plates are fixed in the groove, the connecting plate and the two C-shaped bending plates are integrally welded to form a connecting piece, the positioning device further comprises a shear key, the shear key is welded on a steel plate needing butt connection, a circular hole is formed in the shear key, and plug pins are inserted in the circular hole in the shear key. According to the invention, the steel plate butt welding positioning device and the counterpoint method can realize butt positioning connection between two steel plates at any positions, improve the accuracy of fit-up clearance of steel plate grooves and the coplanarity of the two steel plates, effectively control welding deformation of the steel plates, and simultaneously adjust the relative positions of the two steel plates within a plane and outside the plane. The steel plate butt welding positioning device is convenient in construction, flexible in operation, and nearly free from site environmental impact, can be repeatedly used as a circulated tool, and reduces construction cost.

Description

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Claims

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Application Information

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Owner CHINA NUCLEAR IND 22ND CONSTR
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