Sliding type graded horizontal pipe opening and closing facility device

The utility model relates to the technical field of water conservancy projects, and discloses a sliding type graded horizontal pipe opening and closing facility device. The device comprises a water draining horizontal pipe built on a dam slope, an L-shaped cover plate built on the dam slope in a step shape and communicated with the interior of the water draining horizontal pipe, a track built on the dam slope, a trailer connected to the track in a sliding mode and a driving pivot unit built on a road surface. The drive pivot unit is assembled to drive the hook to hook the L-shaped cover plate.The sliding type grading horizontal pipe opening and closing facility device is simple in structure and reliable in operation, due to the fact that the data clamping rings are correspondingly arranged on the traction steel wires according to the positions of the horizontal pipe water discharging holes, accurate positioning of the hanging body can be achieved, opening of any level of cover plate gate is achieved through p