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[CN 201721792617.7] prestressed single column hydraulic press
[CN 201721792617.7] Title of Prestressed Single-column Hydraulic Press: Application Number of Prestressed Single-column Hydraulic Press: CN 201721792617.7 Applicant: Jiangsu Xuzhou Forging Machine Tool Factory Group Co., Ltd. Application Date: 2017-12-20 Patent Type: Utility Model The utility model discloses a prestressed single-column hydraulic press, which includes an upper beam, a column, a workbench, a large tie rod and a small tie rod. Two large tie rods and two small tie rods are respectively close to and away from the pressure head and are symmetrically arranged vertically to the left and right of the workbench; the large pull rod and the small pull rod penetrate the upper beam, the column and the workbench from top to bottom. A large pull rod nut is screwed on the upper end of the large pull rod close to the upper surface of the upper beam and the lower end close to the lower surface of the workbench respectively. A small pull rod nut is screwed on the upper end of the small pull rod close to the upper surface of the upper beam and the lower end close to the lower surface of the workbench respectively, A lower large positioning ring and a lower small positioning ring, which are respectively matched with the outer circles of the large pull rod and the small pull rod, are arranged at the connection of the upright column and the worktable. The utility model can save the manufacturing cost of the fuselage, reduce the difficulty of transportation, make the fuselage bear reasonable force, ensure the accuracy of the hydraulic press, and prolong the service life of the hydraulic press.
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