Lifting device for electromechanical installation

The utility model belongs to the technical field of portal frames, and particularly relates to a lifting device for electromechanical installation, which comprises a portal frame, supporting bases and self-locking universal wheels, the supporting bases are symmetrically welded at the bottoms of two ends of the portal frame, the self-locking universal wheels are rotatably arranged at two ends of the bottoms of the supporting bases, and a winch is movably arranged on the lower surface of the portal frame. Clamping mechanisms are movably arranged on the two sides of the portal frame, each clamping mechanism comprises a clamping lead screw, a first rotating seat, a fixing plate and a rubber clamping pad, the clamping lead screws penetrate through the cavity wall of the portal frame in a threaded mode, the ends of the clamping lead screws are rotationally connected with the fixing plates through the first rotating seats, and the rubber clamping pads are embedded in the surfaces of the fixing plates; according to t