Electromechanical installation lifting frame for construction site

The utility model relates to a construction site mechanical and electrical installation lifting frame which comprises a base, a motor is fixedly installed in the base, a threaded rod is fixedly connected to the top of an output shaft of the motor, a driving block is in threaded connection with the outer portion of the threaded rod, and a working table is fixedly connected to the right side of the driving block. The right side of the workbench is fixedly connected with a supporting block. According to the lifting frame for electromechanical installation on the construction site, a first supporting rod and a second supporting rod are pulled out of a first limiting cylinder and a second limiting cylinder by a certain distance correspondingly, the pulling-out directions of the first supporting rod and the second supporting rod are opposite, and two screen frames are arranged on the first supporting rod and the second supporting rod in a lap joint mode correspondingly; an operator can fall on the anti-falling net