Nuclear power station double-web beam correcting tool and correcting method thereof

Abstract

The invention discloses a nuclear power station double-web beam correcting tool and a correcting method thereof. The correcting tool comprises multiple mounting frames fixed on an operation platform in parallel; pressing devices are arranged in inner cavies of the mounting frames; the pressing devices are fixed with the top surfaces of the inner cavities of the mounting frames, are positioned above the operation platform, and can move along plumb lines; a flame heating device is arranged on the working platform; and a heating place of the flame heating device is positioned on webs of parts tobe machined. Waste steel plates are used for assembling the tool; the tool number is selected according to the component deformation degree; principles and characteristics of thermal correction and mechanical correction are fully used in the correcting process, and thermal correction and mechanical correction are combined for synchronous acting to solve once molding difficulties in web correctionof double web beams and to guarantee that the sizes of the double web beams meet the quality requirements; and the tool is simple in structure and operation principle, is safe and reliable, can be repeatedly used for correcting the double web beams, is suitable for batch production, and achieves popularization and application values.

Description

technical field [0001] The invention belongs to the technical field of building steel structure construction, and in particular relates to a double-web girder correction tool for a nuclear power plant and a correction method thereof. Background technique [0002] A nuclear power plant is a power plant that uses the energy released by nuclear fission reactions to generate electricity. Nuclear power plants currently in commercial operation use nuclear fission reactions to generate electricity. Nuclear power plants are generally divided into two parts: nuclear islands that use nuclear fission to produce steam (including reactor devices and primary loop systems) and conventional islands that use steam to generate electricity (including turbogenerator systems). The fuel used is generally radioactive heavy metals: uranium, plutonium. Nuclear power plants use nuclear reactors instead of boilers in thermal power plants, and use nuclear fuel to generate heat in a special form of "c...

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is that in the manufacturing process of the double web of the existing nuclear power plant double web girder, the double web is easily deformed due to the stress generated by welding. , the purpose of which is to provide a double-web girder correction tool for nuclear power plants and its correction method. The tool and method combine thermal correction and mechanical correction together to achieve the purpose of meeting the standard requirements and service performance of the component size

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