38results about How to "Reduce test energy consumption" patented technology

The utility model discloses a fan blade swing fatigue testing device, and belongs to the technical field of fan blade fatigue testing. Comprising a blade clamping module and a fatigue loading excitation module. The fatigue loading excitation module comprises a plurality of groups of random wooden saddles used for clamping blades in an up-down matching manner, the random wooden saddles comprise upper random wooden saddles and lower random wooden saddles, upper steel plates are arranged at the tops of the upper random wooden saddles, lower steel plates are arranged at the bottoms of the lower random wooden saddles, and the upper steel plates and the lower steel plates are connected through studs; an excitation motor is arranged on the upper steel plate, and the output end of the excitation motor is connected with the eccentric mass block through a rotating arm. The blade fatigue testing device has the advantages of reducing testing energy consumption, improving blade testing efficiency, being suitable for fatigue testing of blades of different sizes, and being low in testing noise.