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[CN 201710026898.3] Hydraulic fast forging unit with superimposed oil supply of hydraulic pump and high-pressure accumulator
[CN 201710026898.3] Title of a hydraulic fast forging unit with superimposed oil supply of a hydraulic pump and a high-pressure accumulator: Application number of a hydraulic fast forging unit with superimposed oil supply of a hydraulic pump and a high-pressure accumulator: CN 201710026898.3 Applicant: Application date of China Juxin Ocean Engineering Equipment Co., Ltd.: 2017-1-15 Patent Type: Invention Application for a hydraulic fast forging unit with superimposed oil supply of a hydraulic pump and a high-pressure accumulator, including forging hammer, main hydraulic cylinder, single rod return hydraulic cylinder, main hydraulic pump, high pressure accumulator, medium pressure accumulator, oil tank and valve control system. When the forging hammer head returns, the hydraulic oil in the single-rod return hydraulic cylinder is supplied by the main hydraulic pump, and the oil in the main hydraulic cylinder is discharged into the medium-pressure accumulator; when the forging hammer head is rapidly lowered, the hydraulic oil in the main hydraulic cylinder is independently supplied by the medium-pressure accumulator, and the oil in the single-rod return hydraulic cylinder is discharged into the oil tank, and the main hydraulic pump supplies oil to the high-pressure accumulator; when the fast forging mode is implemented, the hydraulic oil in the main hydraulic cylinder is supplied by the main hydraulic pump and part of the high-pressure accumulator. During the fast return, the hydraulic oil of the single-rod return hydraulic cylinder is supplied by another part of the high-pressure accumulator. The control hydraulic oil of the valve control system is supplied by the high-pressure accumulator. The invention has the advantages of simple structure, low equipment input and high energy utilization rate.
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