ZA201407085B - A pre-stressed tensioning hydraulic system, pre-stressed tensioning equipment and control method - Google Patents

A pre-stressed tensioning hydraulic system, pre-stressed tensioning equipment and control method

Info

Publication number
ZA201407085B
ZA201407085B ZA2014/07085A ZA201407085A ZA201407085B ZA 201407085 B ZA201407085 B ZA 201407085B ZA 2014/07085 A ZA2014/07085 A ZA 2014/07085A ZA 201407085 A ZA201407085 A ZA 201407085A ZA 201407085 B ZA201407085 B ZA 201407085B
Authority
ZA
South Africa
Prior art keywords
stressed tensioning
control method
hydraulic system
stressed
equipment
Prior art date
Application number
ZA2014/07085A
Inventor
Wenchang Wang
Xiaodong Liang
Liuqi Liu
Original Assignee
Hunan Lianzhi Bridge And Tunnel Tech Limited Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Lianzhi Bridge And Tunnel Tech Limited Company filed Critical Hunan Lianzhi Bridge And Tunnel Tech Limited Company
Publication of ZA201407085B publication Critical patent/ZA201407085B/en

Links

ZA2014/07085A 2013-11-28 2014-09-30 A pre-stressed tensioning hydraulic system, pre-stressed tensioning equipment and control method ZA201407085B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310624653.2A CN103629173B (en) 2013-11-28 2013-11-28 Prestressed stretch-draw hydraulic system, prestress tensioning equipment and controlling method thereof

Publications (1)

Publication Number Publication Date
ZA201407085B true ZA201407085B (en) 2016-01-27

Family

ID=50210544

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2014/07085A ZA201407085B (en) 2013-11-28 2014-09-30 A pre-stressed tensioning hydraulic system, pre-stressed tensioning equipment and control method

Country Status (2)

Country Link
CN (1) CN103629173B (en)
ZA (1) ZA201407085B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104100590B (en) * 2014-07-22 2016-04-27 湖南联智桥隧技术有限公司 Jacking hydraulic system and jacking method thereof and the method that returns back to top
CN104176664B (en) * 2014-07-23 2016-07-13 徐州重型机械有限公司 The hydraulic system altered before a kind of anti-telescopic crane boom and crane
CN104314905B (en) * 2014-10-14 2017-03-15 湖南联智桥隧技术有限公司 Prestressing force intelligent tensioning hydraulic system, prestress tensioning equipment and its control method
CN104675782B (en) * 2015-02-13 2016-11-23 苏州铁马自动化科技有限公司 Prestressing force intelligent tensioning electro-hydraulic servo equipment and control method thereof
CN104947592B (en) * 2015-04-30 2017-03-15 湖南联智桥隧技术有限公司 The tensioning of cable-styled bridge sling and tune rope construction method
CN105946112B (en) * 2016-05-26 2019-02-19 中铁二十三局集团轨道交通工程有限公司 A kind of pretensioned prestressing puts a constructing device and method
CN110407126B (en) * 2018-11-27 2024-01-09 上海同禾工程科技股份有限公司 High-precision load control device for supporting axial force and application method thereof
CN111101445A (en) * 2019-12-25 2020-05-05 河南永智科技有限公司 Hydraulic system for intelligent prestress tensioning equipment and synchronous tensioning method thereof
CN111577686B (en) * 2020-05-18 2022-03-29 广东志成电液科技有限公司 Stepping hydraulic equipment and control method thereof
CN112230539A (en) * 2020-09-11 2021-01-15 湖南联智智能科技有限公司 Bridge prestress tension frequency conversion control method
CN112230538A (en) * 2020-09-11 2021-01-15 湖南联智智能科技有限公司 Load-holding variable frequency control method for bridge prestress tension value

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008032881B3 (en) * 2008-07-14 2009-11-12 Dywidag-Systems International Gmbh Apparatus and method for controlling a tensioning press when tensioning a tendon
CN201801815U (en) * 2010-09-02 2011-04-20 大西铁路客运专线有限责任公司 Railway passenger dedicated line box girder prestressed numerical control intelligent tensioning system
CN102031874B (en) * 2010-11-24 2012-05-30 湖南联智桥隧技术有限公司 Intelligent type synchronous prestress tensioning system
CN102304979B (en) * 2011-08-03 2016-11-02 宁夏路桥工程股份有限公司 The automatic control device of pre-stress stretching device
CN202194873U (en) * 2011-08-18 2012-04-18 湖南联智桥隧技术有限公司 Servo pressure maintaining and speed regulation hydraulic circuit
CN102431090B (en) * 2011-10-25 2014-02-19 南开大学滨海学院 Fiber grating precast beam prestress intelligent tensioning control system and implementation method thereof
CN202646213U (en) * 2012-07-03 2013-01-02 湖南联智桥隧技术有限公司 Differential pressure circuit hydraulic system
CN102953550B (en) * 2012-09-29 2014-12-10 招商局重庆交通科研设计院有限公司 Manual-automatic integrated tensioning system
CN103088757B (en) * 2013-02-06 2015-10-28 山西斯普瑞机械制造股份有限公司 Box girder pre-stressed tension automatic control method and system
CN203584930U (en) * 2013-11-28 2014-05-07 湖南联智桥隧技术有限公司 Prestress tension hydraulic system and prestress tension equipment

Also Published As

Publication number Publication date
CN103629173A (en) 2014-03-12
CN103629173B (en) 2015-12-02

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