Shaftway device for additionally installing elevator

The utility model relates to the technical field of elevator hoistways, and discloses a hoistway device for adding an elevator, which comprises a fixing frame, a connecting frame and a support frame, the front and rear ends of the top end of the fixing frame and the top end of the connecting frame are rotatably connected with threaded rods, and the top end of the fixing frame and the top end of the connecting frame are provided with chutes corresponding to the left and right sides of the threaded rods. Equipment grooves are formed in the positions, corresponding to the center of the threaded rod, of the top end of the fixing frame and the top end of the connecting frame, and worm wheels are fixedly connected to the positions, corresponding to the inner walls of the equipment grooves, of the outer wall of the threaded rod. According to the elevator shaft mounting structure, through cooperation of the fixing frame, the connecting frame, the supporting frame, the sliding grooves, the special-shaped clamping bloc