Rotatory laboratory bench of blade

The utility model provides a rotatory laboratory bench of blade, this test bench of includes two blade fan platforms, distribution and control system, two blade fan platforms include blade, wheel hub,change oar mechanism, main shaft, gear reduction unit, synchronous belt drive system, torque sensor, push away force transducer, lead electrical slip ring and traction motor, and this laboratory bench is according to the aerodynamic characteristic of actual fan, also can simulate out the operating condition of fan not possessing laboratory under the environment of actual wind field, bring very big convenience for double -bladed wind generating set's experiment, the laboratory bench blade is connected with wheel hub through becoming oar mechanism, become oar mechanism and realize blade 0 90 the degree is rotatory to reach different operating characteristic's needs, provide very big convenience for the experimenter. The utility model discloses according to the wind speed of difference, cansimulate double -bladed wi