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[CN 201720042120.7] Flywheel energy storage device for main hydraulic pump motor of electro-hydraulic hammer
[CN 201720042120.7] A flywheel energy storage device for the main hydraulic pump motor of the electro-hydraulic hammer Title: A flywheel energy storage device for the main hydraulic pump motor of the electro-hydraulic hammer Application number: CN 201720042120.7 Applicant: Jiangsu Huawei Machinery Manufacturing Co., Ltd. application date: 2017-1-14 Patent type: Utility model A flywheel energy storage device for the main hydraulic pump motor of the electro-hydraulic hammer, including the main hydraulic pump, the main hydraulic pump motor, and the energy storage flywheel. The rotating shaft of the main hydraulic pump motor is provided with an energy storage flywheel. When the main hydraulic pump motor is not loaded, the energy storage flywheel stores energy. When the hammer head is lifted upward, the main hydraulic pump motor and the energy storage flywheel release the stored energy and drive the hydraulic pump to provide hydraulic oil to lift the hammer head to establish gravitational potential energy and compress the gas in the gas chamber above the piston rod of the hammer head, in addition, the main hydraulic pump motor stores energy to the energy storage flywheel during the hammer head downward and the forging process. The reduction of the power configuration of the main hydraulic pump motor in the utility model can reach about 50%, so it has the advantages of less equipment investment, good power saving effect, low noise, small impact current, and few faults.
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