Support for supporting plug-in box equipment in electric power cabinet

The utility model discloses a support used for supporting plug-in box equipment in an electric power cabinet. The support comprises a detachable support body installed on the back of the cabinet, the support body is provided with a plurality of length-adjustable supporting pieces, the supporting pieces are provided with supporting planes, the supporting planes are provided with soft cushions, and the supporting planes abut against the back of the plug-in box equipment through the soft cushions. When the cabinet is in a horizontal state, the supporting pieces can support the subrack equipment from the back of the subrack equipment, the supporting effect can be guaranteed through the multiple supporting pieces, the actual use requirement is met, the supporting pieces can support the subrack equipment of different sizes through the detachable and length-adjustable design, the universal performance is guaranteed, and the practicability is high. And the supporting plane and the soft cushion can protect the subrack