An inner support tooling for large flange splicing

Abstract

The invention discloses an internal support fixture for splicing large flanges, which comprises two arc plates manufactured according to the bore dimensions of the flanges. The two arc plates are connected by two steel pipes, and a rigid fixing support is welded between the two arc plates, so that the roundness of the spliced flanges can be ensured to be within an allowable tolerance range. Notches for welding are arranged on the outer sides of the arc plates and at positions aligned to the spliced positions of the arc plates with the flanges, so that smooth welding is facilitated. Compared with the prior art, the internal support fixture has the advantages that by applying the fixture to flange splicing on site, raw materials used for manufacturing the flanges can be decreased and transport cost can be reduced, the fixture is simple in manufacture, splicing deformation of the large flanges can be controlled simply and effectively, and manufacture and transport of the flanges are facilitated.

Description

technical field [0001] The invention relates to a tooling for splicing flanges, in particular to an inner supporting tooling for splicing large flanges. Background technique [0002] Tooling is the process equipment of the production process, which is the general term for various tools used in the manufacturing process. Including cutting tools, jigs, molds, measuring tools, auxiliary tools, fitter tools, station tools, etc. Due to the large size of some large flanges, if the whole steel plate is directly blanked during production, not only the raw material size of the steel plate is required, but also the waste of material blanking is also very serious. At the same time, due to the size of the flange If it is too large, it may cause inconvenience in transportation. Therefore, it is often used to divide large flanges into several parts for easy transportation, and then splicing on site. During the splicing process, if the traditional splicing method is used, the method after...

AI Technical Summary

Problems solved by technology

Due to the large size of some large flanges, if the whole steel plate is directly blanked during production, not only the raw material size of the steel plate is required, but also the waste of material blanking is also very serious. At the same time, due to the size of the flange If it is too large, it may cause inconvenience in transportation. Therefore, it is often used to divide large flanges into several parts for easy transportation, and then splicing on site. During the splicing process, if the traditional splicing method is used, the method after splicing The roundness of the flange will exceed the allowable tolerance range, and eventually the entire flange may be scrapped due to large deformation. During the splicing process, how to ensure that the flange roundness does not exceed the allowable tolerance range has become a problem to be solved. problem

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