Belt conveyor cleaning device and belt conveyor

The utility model discloses a belt conveyor cleaning device, which comprises two mounting frames, a cleaning device, a cleaning device and a cleaning device, wherein the two mounting frames are oppositely arranged along a first direction and are connected with the bottom of a belt conveyor; the sweeping part extends in the first direction, the two side walls of the sweeping part are connected with the two mounting frames correspondingly, and the sweeping part can move in the second direction; and the at least two jacking devices are respectively arranged on the mounting frames, are connected with the cleaning part and are used for adjusting the distance between the cleaning part and the belt conveyor. The device is arranged at the bottom of the belt conveyor, so that the cleaning part can be prevented from being in contact with substances such as tobacco powder in high-temperature and high-humidity states to a certain extent, a brush at the upper end of the cleaning part is prevented from being scaled and har