Transformer direct-current resistance testing device

The utility model discloses a transformer direct current resistance testing device, which comprises a box body, a lifting device is arranged in the box body and comprises a guide rod, a motor, a first gear, a second gear, a threaded column, a movable plate and a connecting rod, the motor is fixedly connected in the box body, the output end of the motor is fixedly connected with the first gear, the first gear is meshed with the second gear, and the second gear is meshed with the threaded column. A threaded column is fixedly connected in the second gear and rotationally connected with the box body, a movable plate is in threaded connection with the circumferential surface of the threaded column, a connecting rod is fixedly connected to the upper end of the movable plate, a fixed plate is fixedly connected to the upper end of the connecting rod, and a transformer direct-current resistance testing instrument is fixedly connected to the upper end of the damping device. According to the utility model, by starting t