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Disassembling method of GEAREX-series tooth-type taper sleeve coupling

A coupling and gear type technology, which is applied in the disassembly field of GEAREX series gear type tapered sleeve couplings, can solve the problems of damaged couplings and high oil pressure, and achieve the effect of simple method and easy promotion

Inactive Publication Date: 2015-01-28
SHAANXI HI-TECH IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The system oil pressure of this method is high (280 MPa), but sometimes even this cannot be removed, and a combination of heating and pulling tools is required, or thermal cutting is used to destroy the coupling

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] The position mark and necessary size measurement of the mutual cooperation between the parts of the coupling are convenient for reference during reassembly.

[0014] Remove the flange coupling bolts of the coupling, separate the motor from the gearbox, and leave enough space for disassembling the coupling.

[0015] Slightly loosen the baffle bolt of the coupling at the motor end and keep it on the shaft to prevent the coupling from popping up; install a special puller, connect the high-pressure oil pump pipeline and pre-tighten it with pressure.

[0016] Evenly heat the coupling to 120°C, and pressurize manually until the coupling falls off. Be careful to stay away from the coupling to prevent popping.

[0017] The disassembly of the gearbox end coupling is similar to the disassembly of the motor end; however, this method requires the use of a large-tonnage pulling device and requires high system pressure.

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PUM

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Abstract

The invention relates to a method, in particular to a disassembling method of GEAREX-series tooth-type taper sleeve couplings. The disassembling method of the tooth-type taper sleeve couplings is characterized by comprising the following steps of 1, disassembling a flange connecting bolt of one coupling I, separating a motor from a speed reducing box, and reserving a space enough for disassembling the coupling I; 2, slightly loosening a baffle bolt of the coupling I at the end of the motor, retaining the baffle bolt on a shaft to prevent the coupling I from popping, mounting a special drawing device, connecting a high pressure oil pump pipeline, and performing pressurization pre-tightening; 3, uniformly heating the coupling I until the temperature is about 120 DEG C, and performing manual pressurization until the coupling I is disengaged, wherein an operator needs to keep away from the coupling to prevent the coupling I from popping; 4, disassembling the other coupling at the end of the speed reducing box in a similar disassembling mode of the coupling at the end of the motor. The method is simple and easy to popularize.

Description

technical field [0001] The invention relates to a method, in particular to a dismantling method of a GEAREX series gear taper sleeve coupling. Background technique [0002] Couplings can be divided into mechanical couplings, hydraulic couplings, electromagnetic couplings, etc. Because of standardization and easy disassembly and assembly, key connection is widely used in the connection between coupling and shaft. However, the torque transmitted by the key is limited, and the keyway affects the strength of the coupled shaft. In the oil drilling industry, due to the requirements of high speed and heavy load, the gear taper sleeve coupling is selected. The traditional disassembly method requires a special manual / electric high-pressure oil pump to assist. The high-pressure oil enters the annular oil groove on the shaft from the oil hole at the end of the motor shaft. Under the action of oil pressure, the taper sleeve of the coupling is gradually realized. Disengagement of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B27/14
CPCB25B27/026
Inventor 王耀斌
Owner SHAANXI HI-TECH IND CO LTD