River channel flood prevention device for river channel engineering

The utility model provides a river flood prevention device for river engineering. The riverway flood prevention device for the riverway engineering comprises a dam base station; the supporting frame is fixedly connected to the middle of the dam base station; the driving assembly is fixedly connected to the bottom of the supporting frame; the desilting assembly is fixedly connected to the bottom of the driving assembly, and the bottom end of the desilting assembly extends into the dam base station; and the filter screen is fixedly mounted in the middle of the dam base station and located at the top of the driving assembly. According to the riverway flood prevention device for the riverway engineering, the driving assembly and the dredging assembly are arranged on one side of the filter screen, the driving assembly can drive the dredging assembly to move, and therefore the sludge box at the bottom of the dam base platform is pushed to one end of a sludge discharging machine, and the sludge discharging machine c