Safety hanging device for power distribution cabinets

The invention discloses a safety hanging device for power distribution cabinets. The device comprises a mounting plate. Two bracket pieces are symmetrically arranged on the left and right sides of the surface of the mounting plate. The surface of the mounting plate is provided with limiting sink slots between the two bracket pieces, and the more than five limiting sink slots are sequentially arranged from top to bottom. Each of the two bracket pieces is provided with a guide column slot. A bracket board is arranged in a matching way between the two bracket pieces. A limiting board slot is arranged in the bracket board, and a limiting board capable of sliding left and right is arranged in a matching way in the limiting board slot. The left top of the limiting board is fixedly equipped with a push rod which is used to push the limiting board to slide left and right in the limiting board slot. The right side of the limiting board slides to the right and thus works together with the limiting sink slots to limit t