Sewage blocking and clearing device

The invention relates to the field of sewage water treatment equipment, in particular to a sewage blocking and clearing device. The device comprises a sewage blocking device, a sewage collecting device and a sliding frame, the sewage blocking device is supported by the sliding frame, the sewage collecting device is installed on the sliding frame, the sewage blocking device comprises a sewage blocking frame, a rotary shaft is installed on the sewage blocking frame, a sewage blocking turning plate is installed on the rotary shaft, the sewage blocking turning plate is hollowed-out in the middle,sewage blocking grates are arranged at the hollowed-out position of the sewage blocking turning plate, the sewage collecting device comprises a sewage collecting box, the sewage collecting box is a box body without cover, sliding feet are arranged on the side face of the sewage collecting tank, the sliding feet slide on the sliding frame, and the bottom of the sewage collecting box is hollowed-outand is provided with sewa