Cleaning device for river sewage treatment

The utility model discloses a cleaning device for river sewage treatment, which comprises a ship body, two clamping plates connected with the head end of the ship body, a conveying mechanism connected between the clamping plates, a water inlet of a water purification cabin arranged at the head end of the ship body, a water pumping mechanism arranged at the water inlet of the water purification cabin, and a garbage can arranged above the water inlet of the water purification cabin. An opening communicated with a hull deck is formed in the middle section of the water purification cabin, the water purification mechanism is in sliding connection with the side wall of the opening, and the tail of the water purification cabin is connected with a water pump; the device is simple in structure and convenient to use, can remove garbage in a river channel and purify sewage, has a spraying function, can use the purified sewage for irrigation of green plants beside the river channel, and adopts a self-suction design and a