Flexible beam tail blade rigidity testing device

The invention belongs to the technical field of helicopter tail blade rigidity testing, and particularly relates to a flexible beam tail blade rigidity testing device. The flexible beam tail blade rigidity testing device comprises a rotating table, a supporting plate, a common supporting assembly and an integral supporting assembly, wherein one end of the supporting plate is a connecting end whilethe other end of the supporting plate is a supporting end; the connecting end is connected with the rotating table; the common supporting assembly is used for fixing flexible beam tail blades to carry out common rigidity test on the flexible beam tail blades; the integral supporting assembly is used for fixing the flexible beam tail blades to carry out integral rigidity tests on the flexible beamtail blades; and the testing device has a common testing state and an integral testing state, in the common testing state, the common supporting assembly is fixedly connected with the supporting enddetachably, and in the inte