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[CN 201721445544.4] Hydraulic press with independent supply of pressure oil by accumulator
[CN 201721445544.4] Title of a hydraulic press with independent supply of pressure oil by an accumulator: Application number of a hydraulic press with independent supply of pressure oil by an accumulator: CN 201721445544.4 Applicant: Application date of Zhongke Juxin Clean Energy Hot Forging Equipment Research and Development Co., Ltd.: 2017-11-2 Patent Type: Utility Model The utility model relates to a hydraulic press with independent supply of pressure oil by an accumulator. The traditional technology uses a hydraulic pump to directly supply pressure oil to the hydraulic cylinder of the hydraulic press. The pressure oil must meet the maximum pressure and flow rate of the press. The number of hydraulic pumps is large, and the oil leakage and no-load during the working process cause great waste of energy and motor configuration. In the utility model, all hydraulic pumps charge the accumulator with pressure oil, and the operation or stop of the hydraulic pump is controlled according to the set pressure of the accumulator, thereby improving the working efficiency of the hydraulic pump. Then the accumulator provides pressure oil to all kinds of hydraulic mechanism of the hydraulic machine, that is, the pressure oil of each hydraulic working mechanism of the hydraulic machine is all provided by the accumulator. This realizes the maximum improvement of the working efficiency of the hydraulic pump on the basis of ensuring the pressure oil supply of each cylinder of the hydraulic machine, thereby reducing the configuration of the pump and eliminating the energy loss caused by no-load and oil leakage.
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