The utility model discloses an operating device of a chute feeder, wherein a hydraulically-driven device comprises hydraulic cylinders, hand-operated reversing valves and high-pressure cut-off valves; a plurality of oil pumps are symmetrically and fixedly installed on a hydraulic oil box, the oil pumps are together and fixedly connected with an oil supply pipe, a safety valve, a filter and a pressure gauge are respectively and fixedly installed on the oil supply pipe, and the oil supply pipe is fixedly connected with the high-pressure cut-off valves, the hand-operated reversing valves and the hydraulic cylinders which are symmetrically arranged at both edges; the high-pressure cut-off valves are fixedly connected with the hand-operated reversing valves through the oil supply pipe, and the hand-operated reversing valves are fixedly connected with the hydraulic cylinders through the oil supply pipe; the hydraulic cylinders are fixedly connected with an oil return pipe through the hand-operated reversing valves; and the oil return pipe is fixedly connected with the hydraulic oil box. The chute feeder disclosed by the utility model has the advantages of reasonable structure, higher production efficiency and lower manufacturing cost, and not only has strong practicability and a larger ore-feeding quantity, but also is easy to install, and a crushing system has higher production capacity; and through the device, the uniformity and the continuity of ore feeding are improved, the production capacity is improved, and the labor intensity of workers is lightened.