Transformer substation iron core multi-point grounding fault detection equipment and use method

The invention discloses transformer substation iron core multi-point grounding fault detection equipment and a use method, the transformer substation iron core multi-point grounding fault detection equipment comprises a lower box body, a box cover is arranged above the lower box body, and a rubber shock pad is adhered to the inner wall of the box cover; an insertion plate is fixedly welded to the lower surface of the box cover, and a clamping hole is formed in the surface of the insertion plate; connecting blocks are fixedly welded to the left side face and the right side face of the lower box body, movable clamping rods are slidably connected into lugs of the connecting blocks, and one ends of the movable clamping rods penetrate through the lower box body to be connected with the clamping holes in a clamped mode. According to the transformer substation iron core multi-point grounding fault detection equipment and the use method, the clamping hole and the movable clamping rod are arranged, the movable clampin