Sluice desilting device

The invention discloses a sluice desilting device, and relates to the technical field of sluice relevance, the sluice desilting device comprises two connecting pieces and a supporting frame, the two connecting pieces are fixedly installed on a sluice, the supporting frame is installed between the two connecting pieces, transmission shafts are fixedly installed at the side ends of the two sides of each connecting piece, and the transmission shafts are fixedly installed on the supporting frame. The transmission shaft penetrates through the connecting piece and is rotationally connected with the connecting piece, a driving motor is fixedly installed on the water gate, an output shaft of the driving motor and the transmission shaft are coaxially fixed, the cleaning box is installed in the supporting frame in a sliding mode, the bottom of the cleaning box is in an open shape, a mounting groove is further formed in the bottom of the cleaning box, and the cleaning box is fixedly installed on the supporting frame. Th