Elevator for constructional engineering

The utility model relates to the technical field of construction equipment, in particular to an elevator for construction engineering, which comprises a base, a lifting frame and a locking device, a plurality of supporting columns are arranged on the base, a top plate is connected between the tops of the supporting columns, two mounting seats are arranged on the top plate, and winding wheels are rotatably connected in the mounting seats through rotating shafts. The lifting frame comprises a bottom plate, two fixed side plates and two rotating side plates, the two fixed side plates are arrangedon the two sides of the bottom plate respectively, the two rotating side plates are rotationally connected to the front end and the rear end of the bottom plate through rotating shafts, a connectingrod is connected between the fixed side plates, and the tail end of the steel wire rope is connected with the connecting rod. The locking device comprises a fixing plate, a pin and a pressing block, the fixing plate is connect