Dredging device for water conservancy project

The utility model belongs to the technical field of hydraulic engineering, and discloses a desilting device for hydraulic engineering, which comprises a desilting vehicle, two openers, two guide plates and a silt suction pipe, the two openers are fixedly connected to the front side and the rear side of the desilting vehicle respectively, and the two guide plates are fixedly connected to the front side and the rear side of the bottom of the desilting vehicle respectively. The desilting vehicle, the opener, the flow guide plate, the silt suction pipe, the silt suction device, the screen, the clamping groove, the positioning mechanism and the adjusting mechanism are used in cooperation, the adjusting mechanism is pushed to drive the positioning mechanism to enter the clamping groove, at the moment, the screen can be detached and replaced, the adjusting mechanism is pulled in the opposite direction after replacement, and therefore the silt suction device is convenient to use. The silt suction device is used in co