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[CN 201820182972.0] Hydraulic Cylinder for Large Tonnage Gantry Mobile Press
[CN 201820182972.0] A large-tonnage gantry mobile press hydraulic cylinder Title: A large-tonnage gantry mobile press hydraulic cylinder Application number: CN 201820182972.0 Applicant: Anhui Wuyang Machine Tool Manufacturing Co., Ltd. Application date: 2018-2-2 Patent type: Utility model The utility model discloses a large-tonnage gantry mobile press hydraulic cylinder, including a base, the top of the base is provided with a cylinder liner, and the top of the cylinder liner is provided with a cylinder liner top plate, the inner wall of the cylinder liner is provided with a hydraulic plate, the top of the hydraulic plate is provided with a symmetrically distributed hollow ejector rod, and the end of the hollow ejector rod away from the hydraulic plate penetrates the top plate of the cylinder liner and extends to the outside of the top plate of the cylinder liner. The inner wall of the hollow ejector rod is provided with a solid sleeve. The utility model presses the hydraulic oil into the top of the base, the bottom of the hydraulic plate and the opposite side of the cylinder liner through the oil inlet and the oil outlet pipe to form a closed space, and the first spring arranged on the bottom of the top plate of the cylinder liner and the top of the hydraulic plate And the second spring arranged on the top of the top plate of the cylinder liner and the bottom of the support plate can buffer the support plate that rises to a certain extent, so that the top pressure rises more smoothly, and the utility model is reasonable in structure and easy to use.
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