Autonomous rotating drain grating system

The invention provides an autonomous rotating drain grating system. The autonomous rotating drain grating system is composed of an impeller, a longitudinal shaft, a first bevel gear, a second bevel gear, a vertical shaft, a third bevel gear, a fourth bevel gear, a transverse lower shaft, a first cylindrical gear, a second cylindrical gear, a transverse upper shaft, a driving chain wheel, chain wheel teeth, a chain, a first chain flap, a second chain flap, a chain flap shaft, a driven chain wheel, a transverse bottom shaft, a first bearing, a bracket, a second bearing, a waterproof supporting body, a first support, a second support, drain grating transverse bars, drain grating toothed bars, a drain grating, a water conveying tunnel, a sewage sump, a lower horizontal main groove, drain grating transverse bar grooves, drain grating toothed bar grooves, a transverse bottom shaft hole, a baffle, a toothed bar gap, a pier, removing teeth and a vertical shaft hole. According to the autonomousrotating drain grating s