Lifting device for house building construction

The utility model discloses a lifting device for house building construction, which comprises a lifting platform main body, a movable frame is arranged in the lifting platform main body, a groove is formed in the middle of the side surface of the lifting platform main body, and a screw rod is rotatably connected in the groove through a bearing. A motor is fixedly installed at the position, located at the top end of the ascending lifting platform body, of the end of the lead screw through a bolt, and a moving head is arranged on the outer surface of the lead screw. A second sliding block is designed in a second sliding groove, and a supporting rod is designed at the joint of two sliding heads, so that the second sliding block can slide in the second sliding groove when the movable frame ascends and descends, the two sides of the end of the movable frame are conveniently controlled, and the end of the movable frame is easily and stably supported; the sliding heads are driven to slide on the outer surfaces of th