Dust cover of coal mine conveying belt

The utility model discloses a dust cover of a coal mine conveying belt, and relates to the technical field of dust covers. The device mainly comprises a mounting rack, wherein two parallel mounting grooves are formed in the top of the mounting rack; the conveying belt is rotationally mounted on the mounting frame, and the conveying belt is located between the two mounting grooves; one end of each mounting rod is slidably mounted on the corresponding mounting groove, the multiple mounting rods are uniformly distributed on the two mounting grooves, and the mounting rods on the two mounting grooves are in one-to-one correspondence; the arc-shaped plate is connected between the two corresponding mounting rods; the connecting pieces are connected between every two adjacent mounting rods, and the connecting pieces can adjust the distance between every two adjacent mounting rods; and the dustproof cloth covers the tops of the arc-shaped plates. The distance between every two adjacent mounting rods is adjusted by sli