Electromechanical installation ladder

The utility model relates to the technical field of mechanical and electrical installation, in particular to a mechanical and electrical installation ladder which comprises a frame body, a protective fence and a lifting mechanism, the lifting mechanism comprises a driving motor, a synchronous assembly and a plurality of screw rods, and sliding blocks are arranged at the two ends of the protective fence in the length direction; sliding grooves for the sliding blocks to slide are formed in the two ends of the frame body in the length direction, the sliding blocks are arranged in the sliding grooves in a sliding mode, the screw rods penetrate through the sliding blocks and are in threaded connection with the sliding blocks, and the screw rods are connected with a rotating shaft of the driving motor and are coaxially arranged with the rotating shaft of the driving motor; and the synchronizing assembly is used for synchronizing the plurality of screws. The ladder has the effect of improving the safety protection p