Resonance test device for detecting dry-type power transformer

The utility model discloses a resonance test device for detecting a dry-type power transformer, and particularly relates to the technical field of power equipment detection test devices, which comprises a box body, and a test mechanism is detachably connected in the box body. The test mechanism comprises a power supply, a variable-frequency power supply, an intermediate transformer, a high-voltage filter, a high-voltage measuring instrument, a compensator, a local signal sampling device and a local tester, and the test mechanisms are connected through electric wires; a rotating shaft is rotatably connected in the box body, a winding reel is coaxially connected to the rotating shaft, a guide block is installed in the box body, an electric wire is connected between the winding reel and the test mechanism, a through hole is formed in the side wall of the box body, a gear is coaxially connected to the rotating shaft, the gear is meshed with a rack, and a spring is fixedly connected between the rack and the box bo