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[CN 201821673979.9] Hybrid Hydraulic Transmission System of Large Die Forging Hydraulic Press
[CN 201821673979.9] Title of Hybrid Hydraulic Transmission System of Large Die Forging Hydraulic Press: Application Number of Hybrid Hydraulic Transmission System of Large Die Forging Hydraulic Press: CN 201821673979.9 Applicant: Nanjing Dewell High-end Manufacturing Co., Ltd. Application Date: 2018-10-16 Patent Type: Utility Model The utility model discloses a hybrid hydraulic transmission system of large die forging hydraulic press, it includes ultra-high pressure plunger variable pump group, medium and high pressure accumulator, matrix type multi-output integrated control valve block, accumulator control valve block, low pressure oil tank, non-pressure oil tank, charging system, circulation system, master cylinder and auxiliary cylinder control valve block. The master cylinder and auxiliary cylinder control valve block are respectively connected with ultra-high pressure plunger variable pump group, accumulator control valve block and medium and high pressure accumulator through pipelines and matrix type multi-output integrated control valve block. Under the premise of fully satisfying the process force and energy parameters, the hybrid power hydraulic transmission system of the utility model can supply oil to multiple hydraulic presses according to the process load curve in different periods in one process cycle period, which can greatly reduce the total installed power required for each hydraulic press to establish a pump station separately, effectively reduce the reactive power or less function consumption of the accumulator, improve the operation efficiency, and significantly reduce the purchase cost of the hydraulic system, reduce project investment and production operating costs.
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