| 摘要 |
<p>The invention designs a downwind variable pitch wind turbine generator suitable for medium and small-sized propellers comprising a wheel hub (1), a main shaft (4), a generator (8), a frame (10) and a base (12), wherein a synchronizing disc (15) is arranged in the wheel hub (1), the synchronizing disc (15) is connected to a propeller blade connection slewing bearing (17) through two joint bearings (13) which are in mutual butt joint, one end of a reciprocating rod (14) arranged in the main shaft (4) is connected with the synchronizing disc (15), the other end of the reciprocating rod is connected to a displacement sleeve (5), an electric push rod (18) is arranged in the frame (10), and the displacement sleeve (5) is connected to the electric push rod (18).</p> |
