Dynamic boundary tip vortex cavitation experimental device

The invention discloses a dynamic boundary tip vortex cavitation experimental device, and belongs to the technical field of fluid mechanics test measurement. The device comprises a water tunnel experiment section, an objective table, a servo motor, a rotary transformer, a turbine screw mechanism, a six-axis force sensor, a shell, a test model, an end cover, a bearing, a rotating shaft, an O-shaped sealing ring A, an O-shaped sealing ring B and the like. A servo motor, a turbine screw mechanism, a rotary transformer and other mechanisms are adopted to realize accurate and continuous movement of the blade tip model; a dual-connection mode of a positioning boss and a connecting screw is arranged, so that the movement stability of a blade tip model and the experiment accuracy are ensured; and a test model can be flexibly and conveniently replaced, and the device is suitable for research on dynamic boundary tip vortex cavitation of models of different shapes and materials, and has good practicability and applicati