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[CN 201620409686.4] Pump-controlled hydraulic system of hydraulic press for renewable power generation
[CN 201620409686.4] Title of Pump-Controlled Hydraulic System of Hydraulic Press for Renewable Power Generation: Application Number of Pump-Controlled Hydraulic System of Hydraulic Press for Renewable Power Generation: CN 201620409686.4 Applicant: Shenyang Heavy Machinery Heavy Machinery and Mining Equipment Manufacturing Co., Ltd. Application Date: 2016-5-9 Patent Type: Utility Model A Pump-Controlled Hydraulic System of Hydraulic Press for Renewable Power Generation, Overcoming High Power Consumption, Strong System Impact Vibration and High Failure Rate of Existing Hydraulic System, the problems of low production efficiency, underutilization of compression energy and low energy utilization rate are characterized in that a two-way variable axial piston pump is installed between the main working cylinder and the return cylinder, the liquid supply pump is connected with the main working cylinder through a first one-way valve, and the two-way variable axial piston pump is connected with the two-way variable axial piston pump, and the main working cylinder and the return cylinder are directly controlled to drive the moving beam action of the hydraulic machine, the two-way variable axial piston pump is connected to the regenerative power generation system through a coupling. The beneficial effects are that the system has fast response speed and high control accuracy. There is no impact vibration during the pressure and load relief process of the main working cylinder, thus eliminating the impact of the system Vibration, and can convert the compression energy of the hydraulic oil of the hydraulic press into electric energy, or store it for reuse, or directly supply it to other electric servo motors, with significant energy saving effect.
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