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[CN 201620127313.8] Hydraulic Puller for Large Tonnage Hot Die Forging Press
[CN 201620127313.8] A large-tonnage hot die forging press hydraulic puller Title: A large-tonnage hot die forging press hydraulic puller Application Number: CN 201620127313.8 Applicant: Shandong Jinchen Machinery Co., Ltd. Application Date: 2016-2-18 Patent Type: Utility Model The utility model discloses a large-tonnage hot die forging press hydraulic puller, including a cylinder body and a support sleeve, the cylinder body is placed on the support sleeve, and the support sleeve is set above the fuselage; A cylinder nut and a tension bolt are arranged in the cylinder, and the tension bolt is inserted in the cylinder nut; the cylinder nut is located above the tension nut; the tension nut is arranged in the support sleeve; the tension bolt is arranged from top to bottom. After penetrating the cylinder nut and tightening the nut, it is connected with the fuselage; a baffle is arranged on the left and right sides below the cylinder, and a piston is arranged in the lower part; an oil inlet is opened in the cylinder, it is connected with the hydraulic pump station through a pipeline; the cylinder is provided with an exhaust hole; one side of the support sleeve is provided with a pre-tightening hole; the tension nut is provided with an adjusting screw hole. The utility model is convenient and simple to operate, accurate in centering, and will not cause partial load; a baffle is added to limit its maximum stroke, and the tension bolt will not be broken due to excessive tension height; it is suitable for large-tonnage presses Pull out the tension bolt.
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