A torque transmission device for slip ring hollow shaft of wind power generator

Abstract

The invention discloses a torque transmission device for a slip ring hollow shaft of a wind driven generator. The connecting end of an end cover of the slip ring hollow shaft is in seal connection with a bush, a torque transmission plane is arranged at the connecting end of the end cover, a torque transmission block is tightly attached to the torque transmission plane, the side face of the torque transmission block is fixedly connected with the bush, and meanwhile the bush is fixedly connected with an end cover of a gear box in a sealing mode to enable the slip ring hollow shaft and the end cover of the gear box to rotate at the same speed. The structure is used, connection of the bush and the end cover of the gear box is adjusted, so that the connecting coaxiality of the slip ring hollow shaft and the end cover of the gear box is guaranteed, machining cost is lowered, abrasion caused by assembling errors is avoided, the whole airtightness is improved, the probability of overall oil leakage is lowered, the demand for high manufacturing precision due to large axial length in the structure is avoided, the manufacturing difficulty of core parts of the structure is lowered, and the adaptability performance to complex working conditions is improved.

Description

【Technical field】 [0001] The invention relates to a wind power generator, in particular to a torque transmission device for a slip ring hollow shaft of a wind power generator. 【Background technique】 [0002] At present, in the transmission system of wind power generators, the slip ring hollow shaft is connected to the end cover of the gearbox through a flange, and rotates at the same speed as the end cover of the gearbox, and the other end is connected to the high-speed output shaft of the gearbox through a bearing assembly at a differential speed. Since the hollow shaft of the slip ring is relatively long, its connection with the end cover of the gearbox must ensure coaxiality. Therefore, the use of the above connection structure increases the difficulty of manufacturing and assembly, and increases the wear probability of the sealing assembly. [0003] The present invention studies and proposes aiming at the deficiencies in the prior art. 【Content of invention】 [0004] ...

AI Technical Summary

Problems solved by technology

[0002] At present, in the transmission system of wind power generators, the slip ring hollow shaft is connected to the end cover of the gearbox through a flange, and rotates at the same speed as the end cover of the gearbox, and the other end is connected to the high-speed output shaft of the gearbox through a bearing assembly at a differential speed. Since the hollow shaft of the slip ring is relatively long, its connection with the end cover of the gearbox must ensure coaxiality. Therefore, the use of the above connection structure increases the difficulty of manufacturing and assembly, and at the same time increases the wear probability of the sealing components.

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