Electro-slag-welding welding construction method for partition plate of special-shaped box-type structure

A box-shaped structure and electroslag welding technology, which is applied in the field of building steel structure construction, can solve the problems of molten pool overflow, lack of fusion, and low qualification rate, and achieve the effect of ensuring welding quality.

Inactive Publication Date: 2019-07-16
BEIJING SHOUGANG CONSTR GROUP
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The purpose of the present invention is to provide a construction method of electroslag welding welding for special-shaped box-shaped structure partitions, which solves the problems of low pass rate and effectively improves the pass rate of electroslag welding welding for special-shaped box-shaped structure partitions
[0004] The present invention seals the assembly gap between the electroslag welding lining strip and the web of a special-shaped box-shaped structure partition composed of a plurality of arc-shaped web structures with refractory mud, which ensures that the electroslag welding lining strip and the web are tightly bonded, effectively It solves the quality problems such as non-fusion, slag inclusions, pores, molten pool melt overflow and other quality problems in the electroslag welding process of special-shaped box-shaped partitions, and ensures the full penetration welding quality of electroslag welding

Method used

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  • Electro-slag-welding welding construction method for partition plate of special-shaped box-type structure
  • Electro-slag-welding welding construction method for partition plate of special-shaped box-type structure
  • Electro-slag-welding welding construction method for partition plate of special-shaped box-type structure

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Embodiment Construction

[0023] The specific embodiment of the present invention adopts following steps construction:

[0024] 1. The Y-shaped wing plate 1 is drawn by CAD software at 1:1, and then cut and blanked by a CNC flame cutting machine. The accuracy error is controlled within 1mm.

[0025] 2. The first web 5 and the second web 6 are manually set out at a ratio of 1:1, cut by a semi-automatic cutting machine, and then arcs are made by rolling plate mechanism, and the precision error is controlled within 2mm.

[0026] 3. Partition 2 adopts manual 1:1 lofting and semi-automatic cutting machine blanking, and the accuracy error is controlled within 1mm.

[0027] 4. Electroslag welding lining strip 3 adopts manual 1:1 lofting, semi-automatic cutting machine blanking, and bevel cutting, and the error is controlled within 1mm.

[0028] 5. Assemble the partition plate 2 and the electroslag welding lining strip 3, and weld with carbon dioxide gas shielded welding, and the error is controlled within 1m...

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Abstract

The invention discloses an electro-slag-welding welding construction method for a partition plate of a special-shaped box-type structure, and belongs to the technical field of building steel structureconstruction. The special-shaped box-type structure comprises a Y-shaped wing plate (1), the partition plate (2), an electro-slag-welding liner strip (3), refractory mud (4), a first web plate (5), asecond web plate (6), and an electro-slag-welding welding seam (7). The assembly gap between the electro-slag-welding liner strip and the web plates on the partition plate of the special-shaped box-type structure is sealed by using the refractory mud, the fitting tightness of the electro-slag-welding liner strip and the web plates are ensured, the quality problems such as unmelting, slag sandwiching, pores, melt spillage of a melt pool in the electro-welding welding process of the partition plate of the special-shaped box-type structure is effectively solved, the electro-slag-welding full-fusion welding quality is ensured, and the method has the advantages that the problem such as the lower pass rate is solved, and the electro-slag-welding welding pass rate of the partition plate of the special-shaped box-type structure is effectively improved.

Description

technical field [0001] The invention belongs to the technical field of building steel structure construction, and in particular provides an electroslag welding construction method for a special-shaped box-shaped structure partition, which is suitable for the electroslag welding construction of various special-shaped box-shaped structure partitions such as industrial and civil buildings. Background technique [0002] Compared with the ordinary box structure, the special-shaped box structure is more difficult to control the welding quality of the electroslag welding of the clapboard, and it is prone to unfused, slag inclusions, pores, molten pool overflow, etc., and the qualified rate is low. The welding quality of electroslag welding for partitions of special-shaped box structures directly affects the strength of building structures, and is an important factor affecting the safety of building structures. Contents of the invention [0003] The object of the present invention...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K25/00
CPCB23K25/00
Inventor 阮新伟荆奎田东晓杨金华刘旭
Owner BEIJING SHOUGANG CONSTR GROUP
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