Belt conveyor mainly consists of frame rack, belt, roller, tensioner, transmission part. The frame rack is made of steel; The belt is made of cotton or nylon as the core. It has the advantages of big conveying capacity, simple structure, convenient repair and standard parts. Application: Belt conveyor is widely used in such industries as mine, metallurgy and coal to convey loose materials and finished products. Working principle: Belt conveyor works based on the principle of friction transmission.