Belt conveyor is the abbreviation of belt conveyor, fixed and mobile, simple structure and high efficiency. Continuous conveying machinery that uses flexible conveyor belts as material bearing and traction components. An endless conveyor belt surrounds the driving roller and the redirecting roller. The upper and lower branches between the two rollers are each supported by several idlers. The material is placed on the upper branch, and the friction force between the driving roller and the belt is used to drag the conveyor belt and the material to run. It is suitable for conveying bulk materials and finished items in horizontal and inclined directions, and can also be used in assembly lines for certain process operations. Simple structure, stable and reliable work, strong adaptability to materials, large conveying capacity, low power consumption and wide application.