Structure for cleaning return conveying belt

The utility model relates to the technical field of belt cleaning equipment, and discloses a structure for cleaning a return conveying belt, which comprises a rack, a cleaning mechanism for cleaning coal on the return conveying belt and a drainage mechanism for draining the coal, the sweeping mechanism comprises a guide rod and a rotating shaft, the two ends of the guide rod are fixedly connected with the rack, a scraper is fixedly connected to the guide rod and located under the return conveying belt, the rotating shaft is rotationally connected with the rack, and a sweeping wheel is fixedly connected to the rotating shaft and located under the return conveying belt. The drainage mechanism comprises a material collecting bin, the material collecting bin is fixedly connected with the machine frame, the feeding end of the material collecting bin is located under the scraping plate and the sweeping wheel, and the discharging end of the material collecting bin is communicated with the feeding end of the drying m