Wind driven generator and fan main shaft thereof
A technology for wind turbines and main shafts, applied in wind turbine components, wind engines, wind power generation, etc., which can solve problems such as high production costs, difficult forging process of crankshafts, and increased size
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[0021] Examples of wind turbines are Figure 2~3 Shown: including the fan hub 7, the gearbox 17 and the fan main shaft connected between the fan hub 7 and the gearbox 17, the fan main shaft includes the main shaft body and the connecting flange 6 and the bearing installation ring platform 5 arranged at intervals before and after, connected The flange 6 is placed outside the casing of the gearbox 17, the connecting flange 6 is fixedly connected with the fan hub 7, the bearing mounting ring 5 is placed in the casing of the gearbox, and the bearing mounting ring and the inner wall of the casing of the gearbox A main shaft bearing 16 is provided, the input end of the gearbox is connected with the rear main body, and the output end of the gearbox is connected with the generator. The main shaft body includes a front body part and a rear body part 4 which are arranged separately and mated together. The front and rear body parts are fixedly connected by a fixed structure, and the conn...
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