The utility model discloses a hydraulic engineering uses pasture and water cleaning device, including the support, the equal fixed mounting of the bottom four corners of support department has a gyrowheel, and the top of support is equipped with the circular slot, and the inside wall fixed mounting of circular slot has a bearing, and the inner ring inside wall fixed mounting of bearing has a stand, and the top of stand is articulated to be had and violently manages, and the left end fixed mounting of branch has the mount pad, and the bottom fixed mounting of mount pad has the motor, and the bottom scarf joint of mount pad has the power, and the bottom fixed mounting of the pivot of motor has the bull stick, and fixed mounting has a blade on the lateral wall of bull stick, the utility model discloses a to prop up the rod cover horizontal intraductal, the lateral wall bottom of violently managing is articulated with the stand, and the bottom of stand is connected on having the support of bearing, supports branch through the support, and the clearance of pasture and water can be realized to the other end of clearance personnel plant operation branch, reduces intensity of labour, improves work efficiency, and the orientation can be changed, increase clearance scope to the blade.