CN109798296B - 一种用于机械压力机上的紧固装置及方法 - Google Patents
一种用于机械压力机上的紧固装置及方法 Download PDFInfo
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- 238000010438 heat treatment Methods 0.000 claims abstract description 39
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CN112268109B (zh) * | 2020-10-22 | 2023-02-10 | 国网福建省电力有限公司 | 一种水轮机的转轮活塞接力器连接结构及其预紧方法 |
CN113147373A (zh) * | 2021-04-14 | 2021-07-23 | 合肥丰科汽车部件有限公司 | 一种便于安装的铝合金油箱护板 |
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US613630A (en) * | 1898-11-01 | Judson w | ||
US2866370A (en) * | 1956-02-02 | 1958-12-30 | John L Biach | Bolt-tensioning and nut-seating apparatus |
US3749362A (en) * | 1971-04-09 | 1973-07-31 | Nasa | Fastener stretcher |
SU1369886A1 (ru) * | 1986-06-30 | 1988-01-30 | Донецкий политехнический институт | Устройство дл зат жки резьбовых соединений |
WO1995015442A1 (en) * | 1993-11-30 | 1995-06-08 | Kvaerner Tamturbine Oy | Pre-tensioning device for fastening elements and method for pre-tensioning a fastening element |
CN102230490A (zh) * | 2011-06-27 | 2011-11-02 | 无锡西姆莱斯石油专用管制造有限公司 | 一种方便预紧的螺栓及专用的预紧方法 |
CN105650095A (zh) * | 2014-10-09 | 2016-06-08 | 遵义遵宏螺杆厂 | 一种预紧螺栓组件 |
CN105485138B (zh) * | 2014-10-09 | 2019-12-20 | 遵义遵宏螺杆厂 | 一种预紧螺栓组件 |
CN105003517A (zh) * | 2015-07-21 | 2015-10-28 | 安徽江淮汽车股份有限公司 | 防松内螺纹件及螺接装置 |
CN107097452B (zh) * | 2017-07-03 | 2018-03-13 | 荣成华东锻压机床股份有限公司 | 机械压力机曲轴、轴瓦温升自动控制装置 |
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Denomination of invention: A fastening device and method for mechanical press Effective date of registration: 20201204 Granted publication date: 20191129 Pledgee: Shandong Rongcheng Rural Commercial Bank Co.,Ltd. Pledgor: RONGCHENG HUADONG METAL-FORMING MACHINERY Co.,Ltd. Registration number: Y2020980008863 |
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Denomination of invention: A fastening device and method for mechanical press Effective date of registration: 20220930 Granted publication date: 20191129 Pledgee: Weihai Commercial Bank Co.,Ltd. Yatou Sub branch Pledgor: RONGCHENG HUADONG METAL-FORMING MACHINERY CO.,LTD. Registration number: Y2022980017069 |
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