Power distribution cabinet convenient for installation and height adjustment

The utility model discloses a power distribution cabinet convenient for installation and height adjustment, belongs to the technical field of power distribution cabinets, and aims to solve the problems that support legs of a conventional power distribution cabinet are loosened due to vibration after being adjusted and installed by threads and are inconvenient to transfer. An external thread cylinder which can only slide in the axial direction for supporting is mounted on the fixed supporting leg; a rotating sleeve is sleeved on the external thread cylinder, and an internal thread cylinder which can only slide axially is mounted in the rotating sleeve; an elastic locking piece is mounted on the rotating sleeve; a rotating ring is mounted at the top of the rotating sleeve, a plurality of upper anti-rotation teeth are mounted on the bottom surface of the rotating ring, a limiting ring is mounted on the bottom plate below the rotating ring, a plurality of lower anti-rotation teeth are uniformly mounted on the top