Small wind turbine pitch change device
A wind turbine, small technology, applied in wind turbine, wind turbine control, engine and other directions, can solve the problems of poor pitch stability and reliability, poor pitch synchronization, reset impact, etc., to improve the utilization rate, avoid unnecessary Balance and ensure stability
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[0017] The patent of the present invention will be further described below in conjunction with the drawings and specific embodiments.
[0018] Such as figure 1 , 2 As shown, the small wind turbine pitch device of the present invention mainly includes a driving mechanism, a transmission assembly, a pitch assembly, a return torsion spring 15, a revolving box 14, and a hub 21. The driving mechanism is connected with the transmission assembly through the key 8 connection. The transmission assembly is connected with the pitch assembly through the driving bevel gear 20 and the driven bevel gear 23. The pitch assembly is fixedly connected to the revolving box 14 by screws 26. One end of the return torsion spring 15 is connected with the transmission shaft 16 and the other end is fixed on the revolving box 14. The hub 21 and the revolving box 14 are fixedly connected by bolts 22.
[0019] The driving mechanism includes 3 driving units, and each driving unit is uniformly distributed in a...
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