Lifting device special for gear frame

The utility model discloses a lifting device special for a gear frame. The lifting device comprises a base plate (1), a lifting ring screw (2) and lifting hooks (3), and is characterized in that the lifting ring screw (2) is fixedly arranged on the upper side of the middle part of the base plate (1); a mounting groove (4) for mounting the lifting hooks (3) is formed in the base plate (1); and the upper ends of the lifting hooks (3) are positioned in the mounting groove (4), and are movably connected with the base plate (1) through pin shafts (5) in a rotating way. A part to be machined is firmly hooked by the lifting hooks under the action of gravity, and cannot slip off, and after the part to be machined is placed on a machining plane, force on the lifting hooks disappears, and the lifting hooks are loosened. The lifting device has the characteristics of simple structure, high working efficiency and safety in use, and the production efficiency and the quality of a product are improved.