Welding deformation prevention tool for welding side plate and triangular plate of marine diesel engine rack

By designing a weld-resistant deformation tooling including tool body, workpiece body, transition plate and No. 1 threaded rod, the problem of welding deformation of the side plate and triangle plate of marine diesel engine frame is solved, and efficient welding and shortening the production cycle is achieved.

CN119703549APending Publication Date: 2025-03-28SHANGHAI HULIN HEAVY IND
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Patent Information

Application Number
CN202311263558.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-09-27
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

There is a problem of welding deformation during the welding process between the side plates and triangle plates of existing marine diesel engine frames. The traditional method requires high-skilled workers and the correction time is long. Cutting the holes after the optimization method leads to a smaller welding space and a lower plate utilization rate.

Method used

A welded deformation-proof tooling is designed, including the tool body, workpiece body, transition plate and No. 1 threaded rod. Through the setting of the transition plate and the rotation of No. 1 threaded rod, support and reverse deformation prestress on the workpiece body are achieved to reduce welding deformation.

Benefits of technology

It effectively solves the welding deformation problem of frame side plates and triangle plates, improves welding efficiency, shortens production cycles, and reduces the difficulty of post-calibration.

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Abstract

The invention relates to the technical field of welding tools, and discloses a welding deformation prevention tool for welding a marine diesel engine rack side plate and a triangular plate, the welding deformation prevention tool comprises a tool body, a workpiece body is movably mounted in the tool body, and a transition plate located in the tool body is arranged on the left side of the workpiece body. Through cooperation of the tool body, the workpiece body, the transition plate and the first threaded rod, by means of the arrangement of the transition plate, the supporting effect on the workpiece body is achieved, and the problem of welding deformation of a rack side plate and a triangular plate is effectively solved; the tool body can be firmly fixed to the rack side plate, certain reversible deformation prestress is applied to offset deformation in the welding process, welding reversible deformation is reduced, meanwhile, the welding difficulty and the later correction difficulty of the rack side plate and the triangular plate can be reduced, the welding efficiency is improved, and the production period is shortened.
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