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Device for changing slip ring of motor

A slip ring device and slip ring technology, which is applied in the field of tooling for replacing motor slip rings, can solve the problems of inability to replace wind turbine slip rings, shortages, etc., and achieve the effects of saving hoisting costs, improving utilization rates, and reducing processing time

Active Publication Date: 2013-03-20
CRRC YONGJI ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention solves the problem that the wind generator slip ring cannot be replaced at the top of the tower due to the lack of a manual device for replacing the slip ring in a cold state, and provides a device for replacing the slip ring of the motor

Method used

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  • Device for changing slip ring of motor
  • Device for changing slip ring of motor
  • Device for changing slip ring of motor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] The motor replacement slip ring device consists of a slip ring protection ring 2 fixed on the end surface of the slip ring 1, a threaded tie rod 3 threaded with the slip ring protection ring 2 or the end surface of the motor shaft, a nut 4 matched with the threaded tie rod 3, and the end surface of the motor shaft. Or the slip ring protection ring 2 is threaded and is provided with the threaded push rod 6 of the shaft shoulder 5, the pressure plate 7 with the threaded pull rod and the threaded push rod passing through the hole. During specific implementation, in order to realize the fixing of the slip ring protection ring 2 and the motor slip ring 1, the slip ring protection ring 2 is provided with evenly distributed fixing holes. At the same time, in order to realize the threaded connection between the threaded pull rod 3 or the threaded push rod 6 and the slip ring protection ring 2, the slip ring protection ring 2 is provided with evenly distributed screw holes.

[0...

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Abstract

The invention relates to a tool for changing a slip ring of a motor, specifically to a device for changing the slip ring of the motor, which is used for solving a problem of failure in changing the slip ring of a wind power generator at top of a tower for the reason of being lack of a manual device for changing the slip ring in cold state. The device for changing the slip ring of the motor is composed of a slip ring protection ring fixed to an end surface of the slip ring, a threaded pull rod in threaded connection with the slip ring protection ring or an end surface of a rotation shaft of the motor, a nut matched with the threaded pull rod, a threaded plunger connected with the end surface of the rotation shaft of the motor or the slip ring protection ring in thread manner and provided with a shaft shoulder, and a pressing board on which a threaded pull rod through hole and a threaded plunger through hole are formed. The device for changing the slip ring of the motor is particularly suitable for changing the slip ring of a high-power megawatt-class doubly-fed wind power generator, and also can be used for changing the slip rings of other motors.

Description

technical field [0001] The invention relates to a tool for replacing a slip ring of a motor, in particular to a device for replacing a slip ring of a motor. Background technique [0002] With the advent of the low-carbon economy, the application of high-power megawatt-level double-fed wind turbines is gradually becoming the mainstream in my country and the world, and high-power double-fed asynchronous wind turbines are the core components of megawatt-scale wind turbines . The replacement of the slip ring is an important maintenance link within the service life of the wind turbine, and it is also one of the largest parts that need to be replaced during maintenance during the service life of the wind turbine. [0003] At present, when the slip rings of megawatt-class doubly-fed wind power generators are replaced, the generator is hoisted from a height of 70 meters to the ground by a crane to replace the slip rings. When replacing the slip ring on the ground, the slip ring is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K15/00
CPCY02E10/725Y02E10/72
Inventor 程东星
Owner CRRC YONGJI ELECTRIC CO LTD
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