CN103629173B - 预应力张拉液压系统、预应力张拉设备及其控制方法 - Google Patents
预应力张拉液压系统、预应力张拉设备及其控制方法 Download PDFInfo
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- CN103629173B CN103629173B CN201310624653.2A CN201310624653A CN103629173B CN 103629173 B CN103629173 B CN 103629173B CN 201310624653 A CN201310624653 A CN 201310624653A CN 103629173 B CN103629173 B CN 103629173B
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CN201310624653.2A CN103629173B (zh) | 2013-11-28 | 2013-11-28 | 预应力张拉液压系统、预应力张拉设备及其控制方法 |
ZA2014/07085A ZA201407085B (en) | 2013-11-28 | 2014-09-30 | A pre-stressed tensioning hydraulic system, pre-stressed tensioning equipment and control method |
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CN201310624653.2A CN103629173B (zh) | 2013-11-28 | 2013-11-28 | 预应力张拉液压系统、预应力张拉设备及其控制方法 |
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CN103629173A CN103629173A (zh) | 2014-03-12 |
CN103629173B true CN103629173B (zh) | 2015-12-02 |
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Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104100590B (zh) * | 2014-07-22 | 2016-04-27 | 湖南联智桥隧技术有限公司 | 顶升液压系统及其顶升方法和回顶方法 |
CN104176664B (zh) * | 2014-07-23 | 2016-07-13 | 徐州重型机械有限公司 | 一种防起重机伸缩臂前窜的液压系统及起重机 |
CN104314905B (zh) * | 2014-10-14 | 2017-03-15 | 湖南联智桥隧技术有限公司 | 预应力智能张拉液压系统、预应力张拉设备及其控制方法 |
CN104675782B (zh) * | 2015-02-13 | 2016-11-23 | 苏州铁马自动化科技有限公司 | 预应力智能张拉电液伺服设备及其控制方法 |
CN104947592B (zh) * | 2015-04-30 | 2017-03-15 | 湖南联智桥隧技术有限公司 | 索式桥梁吊索的张拉与调索施工方法 |
CN105946112B (zh) * | 2016-05-26 | 2019-02-19 | 中铁二十三局集团轨道交通工程有限公司 | 一种先张法预应力放张施工装置及方法 |
CN110407126B (zh) * | 2018-11-27 | 2024-01-09 | 上海同禾工程科技股份有限公司 | 用于支撑轴力的高精度控载装置及其使用方法 |
CN111101445A (zh) * | 2019-12-25 | 2020-05-05 | 河南永智科技有限公司 | 一种预应力智能张拉设备用液压系统及其同步张拉方法 |
CN111577686B (zh) * | 2020-05-18 | 2022-03-29 | 广东志成电液科技有限公司 | 步进式液压设备及其控制方法 |
CN112230539A (zh) * | 2020-09-11 | 2021-01-15 | 湖南联智智能科技有限公司 | 一种桥梁预应力张拉变频控制方法 |
CN112230538A (zh) * | 2020-09-11 | 2021-01-15 | 湖南联智智能科技有限公司 | 一种桥梁预应力张拉力值持荷变频控制方法 |
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CN102031874A (zh) * | 2010-11-24 | 2011-04-27 | 湖南联智桥隧技术有限公司 | 智能型同步预应力张拉系统 |
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DE102008032881B3 (de) * | 2008-07-14 | 2009-11-12 | Dywidag-Systems International Gmbh | Vorrichtung und Verfahren zum Steuern einer Spannpresse beim Spannen eines Spannglieds |
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- 2013-11-28 CN CN201310624653.2A patent/CN103629173B/zh active Active
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Patent Citations (9)
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CN201801815U (zh) * | 2010-09-02 | 2011-04-20 | 大西铁路客运专线有限责任公司 | 铁路客专箱梁预应力数控智能张拉系统 |
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CN102304979A (zh) * | 2011-08-03 | 2012-01-04 | 宁夏路桥工程股份有限公司 | 预应力张拉装置的自动化控制装置 |
CN202194873U (zh) * | 2011-08-18 | 2012-04-18 | 湖南联智桥隧技术有限公司 | 伺服保压调速液压回路 |
CN102431090A (zh) * | 2011-10-25 | 2012-05-02 | 南开大学滨海学院 | 光纤光栅预制梁预应力智能张拉控制系统和实现方法 |
CN202646213U (zh) * | 2012-07-03 | 2013-01-02 | 湖南联智桥隧技术有限公司 | 一种压差回路液压系统 |
CN102953550A (zh) * | 2012-09-29 | 2013-03-06 | 招商局重庆交通科研设计院有限公司 | 手自一体化张拉系统 |
CN103088757A (zh) * | 2013-02-06 | 2013-05-08 | 山西斯普瑞机械制造股份有限公司 | 箱梁预应力张拉自动控制方法及系统 |
CN203584930U (zh) * | 2013-11-28 | 2014-05-07 | 湖南联智桥隧技术有限公司 | 预应力张拉液压系统以及预应力张拉设备 |
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CN103629173A (zh) | 2014-03-12 |
ZA201407085B (en) | 2016-01-27 |
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Denomination of invention: Prestress tension hydraulic system, prestress tension device and control method of prestress tension device Effective date of registration: 20190701 Granted publication date: 20151202 Pledgee: Bank of Communications Co.,Ltd. Hunan Branch Pledgor: Hunan Lianzhi Bridge and Tunnel Technology Co.,Ltd. Registration number: 2019430000061 |
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Denomination of invention: Prestressed tensioning hydraulic system, prestressed tensioning equipment and control method thereof Effective date of registration: 20220920 Granted publication date: 20151202 Pledgee: China Everbright Bank Co.,Ltd. Changsha Huafeng Sub branch Pledgor: Hunan Lianzhi Technology Co.,Ltd. Registration number: Y2022430000088 |
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