Grounding protection device for insulation detection of switch cabinet

The utility model discloses a grounding protection device for insulation detection of a switch cabinet, which comprises a detection table, an insulation rubber pad is adhered to the center of the top of the detection table, a fixed shell is arranged at the top of the insulation rubber pad, an extrusion assembly is arranged on the fixed shell, and the extrusion assembly comprises an insulation cover pad adhered to the inner wall of the fixed shell. First adjusting telescopic rods are arranged at the two ends of the outer wall of one side of the fixed shell, pressurizing fixed plates are fixed to the tail ends of the first adjusting telescopic rods, and insulating column glue distributed at equal intervals is bonded to the outer walls of the pressurizing fixed plates; according to the utility model, the switch cabinet to be detected is placed in the fixed housing, and the first adjusting telescopic rod is used to drive the pressurization fixed plate to carry out extrusion fixation, so that the switch cabinets w