Wind turbine hydraulic impeller locking device

Abstract

The invention relates to a hydraulic impeller locking device of a wind power generating set. The hydraulic impeller locking device comprises an oil tank, a hydraulic pump, an acting hydraulic cylinder and a locking pin, wherein the acting hydraulic cylinder is horizontally arranged; the locking pin is fixedly connected with a piston of the acting hydraulic cylinder; a spring is mounted between the piston and the bottom of the acting hydraulic cylinder; the oil tank is connected with an oil inlet of the hydraulic pump through an oil pipe, an oil outlet of the hydraulic pump is connected with an oil inlet of the acting hydraulic cylinder through an oil pipe, and an oil outlet of the acting hydraulic cylinder is connected with the oil tank through an oil pipe; and a valve is arranged on each oil pipe. The hydraulic impeller locking device has the advantages of simple structure and low construction cost, can effectively save the time for loosening and locking an impeller, is convenient to operate, saves labor, can effectively avoid the phenomenon that accidents are caused due to incomplete locking, improves the safety of the set and the operation safety and is more suitable for popularization and application.

Description

technical field [0001] The invention relates to the technical field of wind power generation, in particular to a hydraulic impeller locking device for a wind power generating set. Background technique [0002] Wind power technology has received extensive attention in recent years and has also achieved rapid development. During the installation, commissioning and daily maintenance of wind turbines, impeller locking operations are required to ensure the safety of personnel and units. [0003] The existing impeller locking devices mostly rely on manpower to directly lock the impeller. Taking the Goldwind 750kW series units produced by Goldwind Technology Co., Ltd. as an example, the impeller is locked by a mechanical screw. , it is necessary to rely on manpower to directly turn the nut, and then the nut drives the screw to advance and retreat, so as to achieve the effect of locking and releasing the impeller. In practice, it has been found that the above-mentioned impeller lo...

AI Technical Summary

Problems solved by technology

In practice, it has been found that the above-mentioned impeller locking device mainly has the following defects: the operation time for loosening and locking is long, the operation is laborious, and it cannot effectively ensure that the impeller is locked in place, so there is a serious hidden danger of accidents

[0004] This shows that the above-mentioned existing wind turbine wheel locking device obviously still has inconvenience and defects in structure and use, and needs to be further improved urgently

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