EMC electromagnetic compatibility auxiliary testing device

The invention relates to the technical field of electromagnetic compatibility testing, and discloses an EMC electromagnetic compatibility auxiliary testing device which comprises a testing table, testing equipment and a shielding cover, the shielding cover is located above the testing table, fixing blocks are fixedly arranged on the inner walls of the two sides of the shielding cover, and sliding rods extending into the testing table are fixedly arranged at the bottoms of the fixing blocks; a motor is fixedly arranged on the inner wall of the bottom of the test board, a screw rod is fixedly arranged at the output end of the motor, a transversely-arranged moving plate is arranged on the rod wall of the screw rod in a threaded mode, and the lower ends of the two sliding rods are fixedly connected with the upper surface of the moving plate; two telescopic rods are symmetrically and fixedly arranged on the inner wall of the top of the shielding cover, and the lower ends of the two telescopic rods are fixedly prov