Insulation state testing device for insulated copper pipe bus

The utility model discloses a device for testing the insulation state of an insulating copper pipe bus, and the device comprises a moving block which is provided with a moving detection assembly for detecting the insulating copper pipe bus. The mobile detection assembly comprises a mounting block, an ultrahigh-frequency discharge detector, a telescopic rod, an arc-shaped top block, a spring, an inner groove, a mounting groove, a servo motor, a rotating rod and a rotating wheel, the mounting block is fixedly mounted on the outer wall of one side of the mobile block, and the ultrahigh-frequency discharge detector is fixedly mounted at the bottom of the mounting block; and the telescopic rod is fixedly mounted at the top of the moving block. According to the utility model, through arranging the mobile detection assembly and the servo motor to drive the rotation rod to rotate, through friction between the rotation wheel and the sleeve, the ultrahigh frequency discharge detector is enabled to detect the insulation