Field welding tool for traveling I-shaped beam and assembling and welding method of field welding tool

Abstract

The invention discloses a field welding tool for a traveling I-shaped beam and an assembling and welding method of the field welding tool. The problem that a flange plate is prone to deformation when a web and the flange plate of the traveling I-shaped beam are welded is solved. A lower flange plate (2) is sleeved with anti-deformation clamp plates (3); an inverted-T-shaped groove (7) is formed in the top face of each anti-deformation clamp plate (3); a left positioning wedge block embedding groove (8), a middle positioning wedge block embedding groove (9) and a right positioning wedge block embedding groove (10) are formed in the groove bottom face of each inverted-T-shaped groove (7); wedge blocks are arranged in the three grooves correspondingly; the upper top faces of the wedge blocks are connected to the lower bottom face of the lower flange plate (2) in an abutting manner; and the lower flange plate (2) is sleeved with the anti-deformation clamp plates (3) at intervals in the front-back longitudinal direction of the web (1). Welding deformation of the flange plate is greatly reduced, and straightening of the I-shaped beam obtained through subsequent welding is omitted.

Description

technical field [0001] The invention relates to a welding tool, in particular to an on-site welding tool for an I-shaped beam used in a steam turbine room of a thermal power plant and a method for assembling and welding the tool. Background technique [0002] In the equipment installation of the steam turbine room of a newly-built thermal power plant, it is necessary to set up a driving beam for driving on the top of the machine room. The driving beam is an I-shaped beam, which is generally completed on-site with steel plate processing and welding. The on-site production process is as follows: first The web, upper flange and lower flange of the I-shaped beam are processed separately with steel plates, and the three steel plates are spot welded together to form the I-shaped beam. At the joint with the web, perform groove connection welding of the welds on both sides; during groove welding, because the flange plate on the outer side of the weld is narrow, the welding heat is r...

AI Technical Summary

Problems solved by technology

[0003] The invention provides an on-site welding tooling for a traveling I-shaped beam and an assembly and welding method thereof, which solves the technical problem that the flange plate is easily deformed when the web plate and the flange plate of the traveling I-shaped beam are welded

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