Belt conveyor, bue to [1] has advantages of simple structure, easy maintenance, standardization of parts, are widely used in mining, metallurgy, coal and other industries, used to transport loose materials or items, according to the conveying process requirement, can be a single transmission, also can be more than one component or with other conveying equipment to form horizontal or inclined conveyor system, in order to meet the different types of homework line need to, is suitable for conveying bulk density is less than 1.67 ton/cubic meters, easy to take out the powder, granular, small block of low grinding cut materials, or packaged materials, such as coal, gravel, sand, cement, chemical fertilizer, food, etc. Sent material temperature is less than 6 The pilot-in-command and assembly form can be determined according to the user's requirements, the transmission can be used as a drum, and also the drive device with the drive frame. The belt conveyor structure forms a variety of forms, such as trough belt machine, flat belt machine, slope belt machine, side tilting belt machine, turning belt machine, etc.