Hydraulic engineering desilting device

The utility model discloses a hydraulic engineering desilting device which comprises a desilting device body, a second cross rod and a water inlet hole, the water inlet hole is formed in the outer side of the second cross rod, a connecting plate is installed below the desilting device body, the bottom end of the connecting plate is connected with a limiting plate body, and a fastening block is installed on the inner side of the limiting plate body. And a limiting rod is installed in the fastening block in a penetrating mode, fastening rods are fixedly installed at the left end and the right end of the limiting rod correspondingly, a containing groove is formed in the upper surface of the dredging device body, and the bottom end of a limiting plate body is connected with the bottom end of a limiting plate. The upper surface of the desilting device body and the upper surface of the connecting plate are located in the same plane, and the connecting plate is tightly attached to the desilting device body. The hydr