Black belt conveyor is a kind of conveying equipment commonly used in industrial and mining fields. It adopts wear rubber belt as conveying medium, and is driven by electric drum or driving roller to realize continuous conveying of materials. It has simple structure and convenient maintenance, and is suitable for conveying all kinds of blocky, granular and powdery materials. The black belt conveyor has the advantages of long conveying distance, large capacity and stable operation, and can be widely used in coal, metallurgy, chemical industry, building materials, ports and other industries to improve production efficiency and reduce labor intensity.