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A light-duty gas turbine power turbine disk decomposition device and method

A technology for power turbines and gas turbines, which is applied in the field of light-duty gas turbine power turbine disk disassembly devices, can solve problems such as adhesion, difficulty in disassembly, and corrosion of power turbine disks.

Active Publication Date: 2017-03-29
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] After the power turbine reaches the life of overhaul, disassemble and inspect it. Due to the different conditions encountered during operation or storage, the power turbine disk will be rusted and stuck during the disassembly process, making it difficult to disassemble.

Method used

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  • A light-duty gas turbine power turbine disk decomposition device and method

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Embodiment 1

[0016] The light-duty gas turbine power turbine disk disassembly device is provided with connecting holes symmetrically at the left and right ends of the turbine disk 1, and the upper and lower symmetrical shaft holes are arranged in the middle of the turbine disk 1, and is characterized in that: the light gas turbine power turbine disk disassembly device is constituted as follows : Jack screw 2, upper platen 3, positioning pin assembly 4, left block 5, core block 6, right block 7 and lower platen 8; upper platen 3 is provided with a through-hole structure corresponding to the connection hole, and the upper platen 3 is threadedly connected to the upper end of the turbine disk 1 through the screw rod 2, the connection hole and the through hole structure, the lower pressure plate 8 is provided with a boss structure at the corresponding position of the connection hole, and the lower pressure plate 8 is connected to the turbine disk through the boss structure and the connection hole...

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Abstract

The invention discloses a disassembling device and method for a power turbine disc of a lightweight gas turbine. Connecting holes are formed in the left end and the right end of the turbine disc symmetrically. Shaft holes are symmetrically formed in the middle of the turbine disc up and down. The disassembling device for the power turbine disc of the lightweight gas turbine is composed of an ejector rod, an upper pressing board, a positioning pin assembly, a left block, a core block, a right block and a lower pressing board, wherein through hole structures are formed in the positions, corresponding to the connecting holes, of the upper pressing board; the upper pressing board is in threaded connection with the upper end of the turbine disc through the ejector rod, the connecting holes and the through hole structures. According to the disassembling method for the power turbine disc of the lightweight gas turbine, the major stress concentration point acts on the pressing boards, possible damage to the surface and the internal structure of the turbine disc is reduced, and a turbine disc assembly is disassembled with no damage on the condition that technical demands are met; the method is simple, can be applied flexibly and is also suitable for other types of disassembling disc assemblies on the operating scenes with simple conditions.

Description

technical field [0001] The invention relates to the technical field of structural design and application of a turbine disk disassembly device, and in particular provides a light gas turbine power turbine disk disassembly device and method. Background technique [0002] The power turbine is disassembled and inspected after reaching the overhaul life. Due to the different conditions encountered during operation or storage, the power turbine disk will be corroded and adhered during the disassembly process, making it difficult to disassemble. [0003] People are eager to obtain a light-duty gas turbine power turbine disk decomposition device and method with excellent technical effects. Contents of the invention [0004] The object of the present invention is to provide a light gas turbine power turbine disk decomposition device and method with excellent technical effects. Under the premise of not damaging the turbine disk, use the decomposition device to disassemble the turbi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25B27/02
CPCB25B27/02
Inventor 崔军王雪芹李静徐伟雷玉淼
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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