Device for taking out guide sleeve assembly of high-pressure combined valve hydraulic servo-motor of steam turbine

By designing a turbine high-pressure combined steam valve oil motor guide sleeve assembly removal device with an outer ring and liner structure, the problems of time-consuming and easily damaged traditional disassembly were solved, achieving a fast, stable, and widely applicable guide sleeve assembly disassembly effect.

CN223933538UActive Publication Date: 2026-02-24SU JINTASHAN POWER GENERATION CO LTD
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Patent Information

Application Number
CN202520475757.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-02-24
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

In the existing technology, leakage occurs after the seal of the guide sleeve assembly of the high-pressure regulating valve oil actuator of the steam turbine wears out. Traditional disassembly methods are time-consuming and easily damage the components, making it difficult to complete the disassembly quickly, especially when the guide sleeve assembly and the copper sleeve are tightly fitted, resulting in low efficiency.

Method used

A device for removing the guide sleeve assembly of the high-pressure combined steam valve hydrant motor of a steam turbine was designed. It adopts an outer ring and liner structure. Through the cooperation of the liner and the lead screw, the stability is improved by the knob block and anti-slip strip, which enables quick disassembly and is applicable to guide sleeve assemblies of different diameters.

Benefits of technology

It enables quick and stable disassembly of the guide sleeve assembly, reduces labor intensity, improves work efficiency, has a wide range of applications, and avoids component damage.

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Abstract

The utility model discloses a device for taking out a guide sleeve assembly of a steam turbine high-pressure combined valve hydraulic servo-motor, which relates to the technical field of tools for taking out guide sleeve assemblies of hydraulic servo-motors and comprises an outer ring, a plurality of tin bronze lining tiles used for taking out copper sleeves are arranged on the circumferential side of the inner ring of the outer ring, and threaded holes are formed in the periphery of the outer ring. A lead screw is connected into each threaded hole in a screwed mode, and a connecting assembly matched with the lead screws is arranged in the middle of the outer side face of the tin bronze lining tile. According to the taking-out device, the outer ring is matched with the lining tile and the lead screw, the aim of rapidly taking down the guide sleeve assembly of the valve hydraulic servo-motor is conveniently achieved, the lining tile is matched with the connecting assembly and the lead screw, the guide sleeve assemblies with different diameters can be rapidly taken down, and the taking-out device is simple in structure, convenient to operate and high in practicability. The guide sleeve assembly can be safely and rapidly disassembled, the labor intensity of workers is greatly relieved, and the working efficiency of disassembling operation is effectively improved.
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