Double-layer hub carrying mechanism

The utility model discloses a double-layer hub carrying mechanism which comprises a bottom moving frame, a vertical supporting frame is fixed to the top face of the middle of the bottom moving frame, an upper lifting driving mechanism is fixed to a top beam of the vertical supporting frame, and a lifting frame is inserted into the vertical supporting frame in a sleeved mode. Chains are assembled on transmission chain wheels at the front part and the rear part of the upper lifting driving mechanism, the right ends of the two chains are vertically downward and are fixed on the top surface of the right part of the lifting frame, and the left ends of the two chains are vertically downward and are fixed on the same balancing weight; transverse supporting beams are fixed to the front portion and the rear portion of the right wall face of the lifting frame, connecting bases are fixed to the front portion and the rear portion of the left side wall of the upper portion of a left vertical plate of the material taking f