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[CN 201721023712.0] Hydraulic System of Energy Storage and Return Program Shearing Machine
[CN 201721023712.0] Title of Hydraulic System of Energy Storage and Return Program Shears: Application Number of Hydraulic System of Energy Storage and Return Program Shears: CN 201721023712.0 Applicant: Anhui Haco Numerical Control Machine Tool Manufacturing Co., Ltd. Application Date: 2017-8-16 Patent Type: Utility Model The utility model discloses a hydraulic system of energy storage and return program shears, belonging to the technical field of shears. It includes an accumulator, a return oil cylinder, a switch valve and an overflow valve II; the accumulator is connected to the oil cavity of the return oil cylinder through a pipeline, the piston rod of the return oil cylinder is fixed on the frame, and the cylinder body of the return oil cylinder is connected to the upper blade; the inlet of the switch valve is connected to the main oil circuit, and the outlet is connected to the accumulator; the overflow valve II is connected between the outlet of the switch valve and the oil tank. The utility model adopts an accumulator to control the hydraulic oil to complete the return movement, and is provided with a flushing and discharging control structure, which greatly improves the working stability and safety of the return of the shearing machine, and is also convenient for maintenance.
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