Motor bearing lubrication system

A technology of lubrication system and motor bearing, which is applied in the direction of casing/cover/support, electrical components, electromechanical devices, etc., can solve the problems of easy throwing, easy leakage of grease, and entry of external foreign objects, etc., to extend the sealing path. , The effect of solving easy leakage and preventing leakage

Active Publication Date: 2012-06-20
CRRC YONGJI ELECTRIC CO LTD
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AI Technical Summary

Problems solved by technology

[0003] The present invention provides a motor bearing lubrication system in order to solve the problems that the existing motor bearing lubrication s

Method used

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Embodiment Construction

[0014] Motor bearing lubrication system, including end cover 1, seal ring 2, inner bearing cover 3, and outer bearing cover 4; outer bearing cover 4 is provided with grease outlet 5; end cover 1 is sleeved with bearing chamber 6, inner bearing The cover 3 is installed on the inner end surface of the bearing chamber 6, and a first O-ring 7 is installed between the outer end surface of the inner bearing cover 3 and the inner end surface of the bearing chamber 6; an oil deflector ring 8 is installed on the outer end surface of the bearing chamber 6, A second O-ring 9 is installed between the inner end face of the oil deflector ring 8 and the outer end face of the bearing chamber 6; A third O-ring 10 is installed between the outer end surfaces of the oil ring 8; the sealing ring 2 is sleeved on the inner side of the outer bearing cover 4, and a labyrinth seal is provided between the outer end surface of the sealing ring 2 and the inner end surface of the outer bearing cover 4 The ...

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Abstract

The invention relates to a motor bearing lubrication structure, in particular to a motor bearing lubrication system. The motor bearing lubrication system solves the problem that lubricating grease always leaks and throws out, and is always accumulated in an outer bearing cover and external foreign matters are easy to enter the bearing when the traditional motor bearing lubrication structure is used. The motor bearing lubrication system comprises an end cover, a sealing ring, an inner bearing cover and an outer bearing cover, wherein the outer bearing cover is provided with a grease discharging hole; the inner side of the end cover is sheathed with a bearing chamber; the end surface of the outer side of the bearing chamber is provided with an oil deflector ring; a second O-shaped seal ringis installed between the end surface of the inner side of the oil deflector ring and the end surface of the outer side of the bearing chamber; and a labyrinth seal is arranged between the end surfaceof the outer side of the seal ring and the end surface of the inner side of the outer baring cover. According to the motor bearing lubrication system, the problem that the lubricating grease always leaks and throws out, and is always accumulated in the outer bearing cover and the external foreign matters are easy to enter the bearing when the traditional motor bearing lubrication structure is used can be effectively solved, and the motor bearing lubrication system is suitable for the motor bearing lubrication.

Description

technical field [0001] The invention relates to a motor bearing lubricating structure, in particular to a motor bearing lubricating system. Background technique [0002] The operating conditions of wind turbines are usually harsh. If the generator shuts down or replaces the generator due to bearing problems, the resulting economic loss is quite huge, so it is required to grease the bearings without shutting down, and while ensuring lubrication, the working temperature of the bearings must be guaranteed kept below a certain temperature. Such as figure 1 As shown, the existing motor bearing lubrication structure generally includes an end cover 1 , a sealing ring 2 , an inner bearing cover 3 , and an outer bearing cover 4 . The outer bearing cover 4 is provided with a grease outlet 5 . When the motor is working, the bearing 12 is assembled on the motor shaft 13, and the motor rotor is supported by the end cover 1. During grease lubrication, the grease lubricates the bearin...

Claims

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Application Information

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IPC IPC(8): H02K5/16
Inventor 俞文斌黄熙石永进
Owner CRRC YONGJI ELECTRIC CO LTD
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