Hydraulic motor sand pump

The utility model provides a hydraulic motor sand pump, which belongs to the field of mineral collection, solves the problem that the existing sand pump is driven by a motor and is easy to generate potential safety hazards of electricity utilization, and comprises a main frame with a power input end at the top, and a shell with a drainage function is fixedly connected below the main frame. The filter is characterized in that the power input end is provided with a hydraulic motor, the output end of the hydraulic motor is connected with an output main shaft, a framework is arranged between the output main shaft and the main frame, the output main shaft is provided with a plurality of sets of mechanical seals, and the mechanical seals are connected with the hydraulic motor. The main frame is internally provided with a plurality of oil cavities which are independently arranged, the tail end of the output shaft is provided with an impeller, and the oil pump has the advantages of being safe to use, long in service