Waste bin carrying device

The utility model provides a waste bin carrying device which comprises a rotating motor, a transmission shaft and transmission mechanisms symmetrically arranged relative to a first supporting machine frame, the transmission mechanisms are arranged on the two sides of a machine frame assembly respectively and fixedly connected with second supporting machine frames on the corresponding sides, and each transmission mechanism comprises a sliding rail, a main transmission gear and a toothed chain, the left end and the right end of the transmission shaft are fixedly connected with wheel cores of the main transmission gears respectively, the outer sides of the main transmission gears are connected with the toothed chains on the corresponding sides in a meshed mode, and the sliding rails are adjacent to the first toothed chain portions on the corresponding sides and fixedly connected with the middles of the second supporting racks on the corresponding sides. A bearing assembly is fixedly connected with the first toot