Electrical cabinet mounting bracket

The utility model discloses an electrical cabinet mounting bracket, which comprises a fixed bracket and a telescopic arm, the telescopic arm is mounted on the outer wall of the fixed bracket, a connecting arm is mounted at one end, far away from the fixed bracket, of the telescopic arm, the telescopic arm extends into the connecting arm, a support frame is mounted at the bottom end of the connecting arm, and the support frame is mounted on the outer wall of the fixed bracket. Moving frames are symmetrically installed on the outer wall of the supporting frame in a sliding mode, clamping frames are installed at the bottom ends of the moving frames, a sliding disc is installed at the top end of the connecting arm, a movable shaft is installed at the center position of the sliding disc and extends into the supporting frame, and a sliding groove is formed in the portion, on one side of the supporting frame, of the sliding disc. A rocker arm is installed at the top end of the movable shaft. According to the utility