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[CN201820417072.X] A hydraulic press title: A hydraulic press application number: CN201820417072.X Applicant: Liaoyang Qingyang Social Welfare Factory Application Date: 2018-3-27 Patent Type: Utility Model The embodiment of this application shows a hydraulic press. When in use, the expansion screw penetrates the T-shaped protrusion by rotating the expansion screw, and the volume of the T-shaped protrusion expands to ensure the perfect fit between the T-shaped protrusion and the T-shaped groove, the effect that the flange and the base are locked is achieved. At the same time, in the hydraulic press shown in the embodiment of the present application, an annular sealing strip is provided at the connection between the flange and the base, and the inner diameter of the annular sealing strip is smaller than the outer diameter of the cylindrical protrusion. The annular sealing strip will not move relative to each other, which avoids relative wear and ensures its sealing performance.
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