Hydraulic belt cleaner at belt unloading roller

The utility model belongs to the technical field of coal belt conveyor transportation, and particularly relates to a hydraulic belt cleaner at a belt unloading roller, which comprises a belt unloading roller body, two coal cleaning plates are arranged on the left side of the belt unloading roller body, and two fixing plates are fixedly connected between the two coal cleaning plates. In the using process, the water pipes are additionally arranged, the water pipes are connected with a machine head belt spraying pipe, water is conveyed through the water pipes, and water is sprayed to the outer wall of the belt unloading roller body through the multiple nozzles to wash the outer wall of the belt unloading roller body; the device is simple in structure and convenient to use, the thin coal on the belt unloading roller body is washed, the problem that cleaning is difficult due to the fact that the thin coal enters the belt machine head large frame is solved, the problem that a belt cleaner at the belt machine head u