Shaftless screw conveyor according to the building material, chemical industry, environmental protection, electric power, medicine, metallurgy, food and other industries in the LS type, GX type screw conveyor conveying grinding cut big, viscosity is bigger, is easy to agglomerate, wrapping easily material formed when material blockage, suspension bearing damage to the actual situation of screw machine doesn't work and independent research and development of a new type of screw conveyor. This product is suitable for continuous and uniform conveying of loose, sticky and easily wound materials, the temperature of conveying materials is up to 100℃, the maximum inclination Angle is less than 30°.