The machine has the advantages of big conveying capacity, high hoisting height, stable and reliable running and long working life. Its performance and parameter accord with JB392685 “vertical bucket elevator”, which consults the international standard and advanced foreign standard and the towing circle chain accords with MT3680 “High-strength circle chain for mine”. The machine is applicable for conveying the powder, grain and block materials, such as coal, cement, block, sand, clay and ore. The bucket elevator is allowed to convey materials with high temperature with the special circle chain structure.