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[CN 201720792365.1] Mechanical safety bolt for hydraulic press
[CN 201720792365.1] Title of a hydraulic machine mechanical safety bolt: Application number of a hydraulic machine mechanical safety bolt: CN 201720792365.1 Applicant: Jiangsu Guoli Forging Machine Tool Co., Ltd. Application Date: 2017-7-3 Patent Type: Utility Model The utility model relates to a hydraulic machine mechanical safety bolt, including upper and lower supports, one end of the two supports is respectively fixed on the hydraulic machine column, and the other end is hinged with a pin shaft, the middle part of the pin shaft is connected with a safety bolt sleeve through a welding part, a safety bolt pillar is inserted into the safety bolt sleeve, the upper part of the safety bolt pillar is provided with a pillar retaining ring protruding outward, a spring is supported between the pillar retaining ring and the upper end surface of the safety bolt sleeve, the lower end of the safety bolt pillar extends above the hydraulic press workbench, and the upper end of the safety bolt pillar extends below the upper limit slider; the upper end of the safety bolt strut is covered with an adjusting washer, which is coaxial with the safety bolt strut and has the same outer diameter. A shim screw is screwed into the center of the lower end face of the adjusting shim, and the shim screw is screwed into the screw hole in the center of the upper end face of the safety bolt strut. The adjusting shim is stacked in multiple layers, and the shim screw of the upper layer is screwed into the shim screw hole of the lower layer. The mechanical safety bolt can precisely adjust the height of the safety bolt post.
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