The size and design characteristics of flange type models in this series of similar function in driving operation can bear large axial load and radial pressure at the output end is provided with a convex fixed disk and large diameter hollow shaft, the static and dynamic collocation facilities can automatic peripheral equipment, the power source of the electric oil and gas pipe in the hollow hole in this series of models are widely used in heavy load and low speed into all kinds of institutions and the industrial machinery automation equipment, automation as synchronous intermittent driving.