Water drainage cleaning device

The utility model relates to the technical field of water drainage cleaning, in particular to a water drainage cleaning device which comprises a main body, a cleaning cavity is arranged on the left side in the main body, a water return cavity is arranged on the right side of the main body, the water return cavity is divided into a filter cavity by a filter screen, and a water return pump and a recovery pump are respectively arranged in the water return cavity and the filter cavity. One end of the water drain is fixed through the bearing seat in the connecting mechanism, the first motor drives the screw rod to rotate, the screw sleeve on the outer side of the screw rod moves, the connecting plate and the bearing seat are driven to move downwards, the cold drain enters the cleaning cavity and is in a suspended state, and the second motor drives the transmission column to rotate, so that the cold drain is cleaned. And meanwhile, sewage in the cleaning cavity is pumped out through a recovery pump, filtered throug