Pitch changing and periodical pitch changing device of downwind wind driven generator
A technology of wind generators and generators, which is applied in the control of wind turbines, wind turbines, and wind power generation. It can solve problems such as wind turbine vibration and achieve the effects of fast pitch change, strong wind gust resistance, and high power generation.
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Embodiment 1
[0017] like figure 1 As shown, one end of the pitch main shaft 17 is fixedly installed on the outer frame of the wind power generator 21 through the pitch main shaft fixed installation insert 20 to prevent it from rotating, and the pitch main shaft 17 passes through the hollow generator 21 and the fan main shaft 18 passes through the pitch main shaft The bearing 16 is fixed to prevent it from shaking, and the pitch-changing main shaft 17 passes through the propeller hub 15 to form a certain included angle with the pitch-changing and periodic pitch-changing slide rails 12 . The fan main shaft 18 is hollow, and the generator 21 is also hollow, and the generator 21 is connected to the fan main shaft 18 with a coupling. The fixed installation plug-in 20 of the pitching main shaft is a spline, which is matched and installed with the pitching main shaft. The fixed installation plug-in 20 of the pitching main shaft is fixed on the outer arm of the generator so that the pitching main ...
Embodiment 2
[0022] like figure 2 As shown, the pitch-changing action mechanism includes the main wind speed rudder and the auxiliary wind speed rudder. The length of the auxiliary wind speed rudder is smaller than that of the main wind speed rudder, and the area of the auxiliary wind speed rudder is smaller than the main wind speed rudder; The other end of the main wind speed rudder stock is connected to the main wind speed rudder support arm through the main wind speed rudder shaft, and the main wind speed rudder support arm is connected to the main pitch control rod; the auxiliary wind speed rudder 22 is connected to the auxiliary wind speed rudder stock 23, and the auxiliary wind speed rudder The other end of the rod 23 is connected to the auxiliary wind speed rudder support arm through the auxiliary wind speed rudder shaft 25, and the auxiliary wind speed rudder stock 23 is connected to the pitch main connecting rod 9 through the auxiliary wind speed rudder swing arm shaft 24; the m...
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