Transition section dismounting tool and method for installing transition section of combustion engine

By designing a tooling system for disassembling and assembling the gas turbine transition section, and utilizing a combination of connecting frame, feeding frame, and moving frame, the automated disassembly and assembly of the gas turbine transition section was achieved. This solved the problem of low disassembly and assembly efficiency in existing technologies and improved installation accuracy and safety.

CN119457830BActive Publication Date: 2026-06-19CHINA UNITED GAS TURBINE TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA UNITED GAS TURBINE TECH CO LTD
Filing Date
2024-11-04
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

In the existing technology, the disassembly and assembly efficiency of the transition section of the combustion chamber of heavy-duty gas turbine is low, and the assembly tooling in the confined space is difficult to install quickly and accurately, which affects the replacement time and safety.

Method used

A tooling for disassembling and assembling a gas turbine transition section was designed, including a connecting frame, a feeding frame, a moving frame, and a clamp. Through the cooperation of the clamp and the moving frame, the automatic disassembly and assembly of the transition section is achieved using a lead screw and a driver. Precise position adjustment is achieved by combining a rotating rack and a limiting component.

Benefits of technology

It improves the efficiency of disassembly and assembly of the gas turbine transition section, reduces material loading and positioning time, ensures installation accuracy and safety, and is suitable for various field environments.

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    Figure CN119457830B_ABST
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Abstract

This invention proposes a fixture for disassembling and assembling a gas turbine transition section and a method for installing the transition section. The gas turbine transition section disassembly and assembly fixture of this invention includes: a connecting frame for connecting to the cylinder of the gas turbine; a feeding frame having a first preset dimension in a first direction, with a first end of the feeding frame connected to the connecting frame in the first direction, the feeding frame being rotatable relative to the connecting frame, the extension direction of the rotation axis of the feeding frame being the first direction; a movable frame movably mounted on the feeding frame along the first direction; a first moving part mounted on the feeding frame, capable of driving the movable frame to move in the first direction; and a clamp for clamping the transition section, the clamp being connected to the movable frame. Therefore, the gas turbine transition section disassembly and assembly fixture according to this invention has the advantage of facilitating the disassembly and assembly of the transition section of the gas turbine.
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