Similar multifunctional test bench and test method for stator blade adjusting mechanism considering aerodynamic load

The invention provides a stator blade adjusting mechanism similar multifunctional test bench considering aerodynamic load and a test method. The testing device comprises a power driving system, a stator blade adjusting system, a support system, a tool system and a testing system, testing shaft holes are formed in the outer portion of a casing and a stator inner ring, the crown portion and the root portion of a blade are inserted into the shaft holes, corresponding to the stator inner ring, in the outer portion of the casing, the stator inner ring is connected with a cushion block, and the stator inner ring can slide in a sliding groove of the cushion block. The power driving system is connected with the exterior of the casing and the input end of the stator blade adjusting system, the constraint of the degree of freedom of components of the stator blade adjusting system is the same as that of corresponding parts of a real structure, the dynamic performance is similar, the tool system is used for loading aerod