A high-low-speed shaft turning device for a high-power wind turbine and its application method

Abstract

The invention discloses a high and low speed shaft turning gear of a high power wind generation set and a using method thereof. The high and low speed shaft turning gear of the high power wind generation set comprises a main gear box, an externally arranged hydraulic source, a hydraulic motor, a motor shaft gear, an intermediate level gear, a wind wheel, a low speed level gear, a high speed level gear, a brake disc, an intermediate level shifting gear, a shifting mechanism and a shifting controller. According to the high and low speed shaft turning gear of the high power wind generation set and the using method, the hydraulic motor and the shifting mechanism are driven by a hydraulic system to achieve the self-turning function of a low speed shaft and a high speed and the locking of the wind wheel; the separate turning of the high speed shaft is achieved when the high speed shaft needs to be centered, so that the problem that start-stop of the low speed shaft which performs turning together with the high speed shaft causes the low accuracy of centering data collection of the high speed is solved, the influence of the wind conditions of a wind field on turning operation of the high speed shaft is reduced, and the efficiency and safety of the turning operation of the high speed shaft is improved; the problems that the turning is difficult and the artificial demands are multiple in a wind power station are solved and the high and low speed shaft turning gear is efficient, safe and labor-saving.

Description

technical field [0001] The invention relates to the field of wind turbines, in particular to a high-low speed shaft turning device for a high-power wind turbine and a method for using the same. Background technique [0002] On the wind turbine, there are two situations that need to use the turning operation. One is to enter the wind wheel and lock the wind wheel lock. In order to lock the wind wheel, it is necessary to align the hole of the wind wheel lock plate with the wind wheel lock. Second, when adjusting the alignment of the generator shaft and the gearbox shaft, it is necessary to rotate the high-speed shaft of the gearbox of the wind turbine unit and the generator shaft together. Through the measurement of the laser alignment instrument during the rotation, Obtain the coaxiality error between the high-speed shaft of the gearbox and the shaft of the generator, and adjust the anchor bolts of the generator to eliminate the change in the alignment of the high-speed shaft...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a high-low-speed shaft turning device for a high-power wind turbine, which can solve the problems of difficult turning and labor requirements in wind farms, and provide an efficient, safe, Labor-saving cranking device

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