CA1332339C - Hydraulic bolt tensioner - Google Patents

Hydraulic bolt tensioner

Info

Publication number
CA1332339C
CA1332339C CA000613979A CA613979A CA1332339C CA 1332339 C CA1332339 C CA 1332339C CA 000613979 A CA000613979 A CA 000613979A CA 613979 A CA613979 A CA 613979A CA 1332339 C CA1332339 C CA 1332339C
Authority
CA
Canada
Prior art keywords
piston
cylinder
chamber
hydraulic
valve
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA000613979A
Other languages
English (en)
French (fr)
Inventor
John Nigel Walton
David Campbell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hedley Purvis Ltd
Original Assignee
Hedley Purvis Ltd
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 Hedley Purvis Ltd filed Critical Hedley Purvis Ltd
Application granted granted Critical
Publication of CA1332339C publication Critical patent/CA1332339C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B29/00—Accessories
    • B25B29/02—Bolt tensioners

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Lubricants (AREA)
  • Connection Of Plates (AREA)
  • Clamps And Clips (AREA)
CA000613979A 1988-10-06 1989-09-28 Hydraulic bolt tensioner Expired - Fee Related CA1332339C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888823474A GB8823474D0 (en) 1988-10-06 1988-10-06 Improved hydraulic tensioner
GB88.23474.5 1988-10-06

Publications (1)

Publication Number Publication Date
CA1332339C true CA1332339C (en) 1994-10-11

Family

ID=10644803

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000613979A Expired - Fee Related CA1332339C (en) 1988-10-06 1989-09-28 Hydraulic bolt tensioner

Country Status (10)

Country Link
US (1) US4998453A (OSRAM)
EP (1) EP0365157A1 (OSRAM)
CN (1) CN1041720A (OSRAM)
AU (1) AU609643B2 (OSRAM)
CA (1) CA1332339C (OSRAM)
GB (1) GB8823474D0 (OSRAM)
IN (1) IN173146B (OSRAM)
NO (1) NO168752C (OSRAM)
NZ (1) NZ230904A (OSRAM)
ZA (1) ZA897399B (OSRAM)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2261029B (en) * 1991-11-01 1995-05-31 Hydra Tight Ltd Fluid operated actuator overstroke prevention
US5406867A (en) * 1993-06-16 1995-04-18 Unex Corporation Mechanical tensioner
GB9827653D0 (en) * 1998-12-17 1999-02-10 More Nicholas Hydraulic bolt tensioner
US6305720B1 (en) 1999-03-18 2001-10-23 Big Inch Marine Systems Remote articulated connector
US7008156B2 (en) * 2002-03-26 2006-03-07 Atushi Imai Load transfer apparatus
FR2841304B1 (fr) * 2002-06-20 2007-01-05 Skf Ab Dispositif de tension pour mise en precontrainte d'une tige et procede de tension associe
US7066699B2 (en) * 2002-12-16 2006-06-27 Siemens Westinghouse Power Corporation Tensioning apparatus and method
US6840726B2 (en) 2002-12-16 2005-01-11 Siemens Westinghouse Power Corporation Tensioning apparatus and method
KR100807706B1 (ko) * 2003-02-10 2008-02-28 이마이 토오루 액압 장치
DE10339201B4 (de) * 2003-08-22 2005-07-21 Hohmann, Jörg Doppelmutter zum kontrollierten Spannen eines Bauteils mittels Schraubenverbindung
US7147210B2 (en) * 2004-02-02 2006-12-12 Actuant Corporation Cable tensioning system and method of operation
CA2457968A1 (en) * 2004-02-19 2005-08-19 Intregra Technologies Limited Hydraulic nut assembly
FR2871231B1 (fr) * 2004-06-02 2006-09-15 Skf Ab Procede de controle de la mise sous tension d'une tige, du type vis ou goujon d'assemblage, et dispositif de mise en oeuvre d'un tel procede
WO2006016162A1 (en) * 2004-08-13 2006-02-16 Tentec Limited A bolt tensioner
WO2006087469A1 (fr) * 2005-02-15 2006-08-24 Aktiebolaget Skf Dispositif de roulement codeur et machine tournante
FR2902699B1 (fr) * 2006-06-26 2010-10-22 Skf Ab Dispositif de butee de suspension et jambe de force.
FR2906587B1 (fr) * 2006-10-03 2009-07-10 Skf Ab Dispositif de galet tendeur.
FR2906858B1 (fr) * 2006-10-04 2008-12-05 Skf Ab Dispositif de poulie debrayable.
FR2910129B1 (fr) * 2006-12-15 2009-07-10 Skf Ab Dispositif de palier a roulement instrumente
FR2913081B1 (fr) * 2007-02-27 2009-05-15 Skf Ab Dispositif de poulie debrayable
GB2457138B (en) * 2008-02-07 2012-06-20 Tentec Ltd Bolt tensioners
US7658131B1 (en) * 2008-04-23 2010-02-09 Titan Technologies International, Inc. Subsea tensioner system
USD601600S1 (en) * 2008-05-15 2009-10-06 Actuant Corporation Hydraulic tensioner
CA2632965C (en) * 2008-05-30 2015-11-17 Integra Technologies Ltd. Foundation bolt tensioner
GB2474887B (en) * 2009-10-30 2013-12-04 Stats Uk Ltd Device and method for pre-tensioning a coupling
WO2011100259A1 (en) * 2010-02-09 2011-08-18 Titan Technologies International, Inc. Hydraulic bolt tensioner and nut
DK2361722T3 (da) * 2010-02-18 2013-04-15 Skf Ab Stang-spændeindretning
US8267202B2 (en) * 2010-03-11 2012-09-18 Caterpillar Global Mining Equipment Llc Feed chain automatic tensioner
US9188146B1 (en) 2010-08-05 2015-11-17 Riverhawk Company Hydraulic rod tensioning system
MX351532B (es) * 2012-07-23 2017-10-18 Integra Services Tech Inc Ensamble de arandela de liberación de carga para sujetadores de rosca.
US8579572B1 (en) 2012-07-23 2013-11-12 Michael James Psimas Load-relief washer assembly for threaded fasteners
DE102012109681A1 (de) 2012-10-11 2014-04-17 Jörg Hohmann Spannvorrichtung zum Dehnen eines Gewindebolzens
CN105414948A (zh) * 2016-01-19 2016-03-23 喻明 一种螺栓拉伸预紧装置及由该装置组成的组件
US10800020B2 (en) * 2016-05-19 2020-10-13 Enerpac Tool Group Corp. Tensioning device and method for tensioning a workpiece
US20190210203A1 (en) 2016-09-23 2019-07-11 Atlas Copco Industrial Technique Ab Hydraulic screw tensioner
WO2019126426A1 (en) * 2017-12-20 2019-06-27 Superbolt, Inc. Multiple chamber hydraulic multi-jack bolt tensioners
DE112020004628T5 (de) * 2019-09-26 2022-06-15 Enerpac Tool Group Corp. Spannvorrichtung
WO2021195409A1 (en) * 2020-03-25 2021-09-30 Milwaukee Electric Tool Corporation Bolt tensioning tool
GB202017991D0 (en) * 2020-11-16 2020-12-30 Acutension Ltd Improved bolt tensioner
CN112091594B (zh) * 2020-11-17 2021-02-12 中国科学院自动化研究所 靶标螺栓锁付装置和靶标螺栓自动锁付系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2146608B2 (de) * 1971-09-17 1976-03-25 Klöckner-Werke AG, 4100 Duisburg Spannvorrichtung
DE2258859A1 (de) * 1972-12-01 1974-06-12 Masch Und Bohrgeraete Fabrik Hydraulische spannvorrichtung
DE2807677C3 (de) * 1978-02-23 1980-12-04 Mannesmann Demag Ag, 4100 Duisburg Hydraulisches Schraubgerät
US4523742A (en) * 1982-01-25 1985-06-18 Gripper, Inc. Apparatus for tensioning a stud and method of doing same
US4438901A (en) * 1982-01-25 1984-03-27 Gripper, Inc. Apparatus for tensioning a stud and method of doing same
AU625495B2 (en) * 1987-09-29 1992-07-16 Curtiss-Wright Flow Control Corporation Force applicators

Also Published As

Publication number Publication date
US4998453A (en) 1991-03-12
IN173146B (OSRAM) 1994-02-19
AU609643B2 (en) 1991-05-02
GB8823474D0 (en) 1988-11-16
NO893967L (no) 1990-04-09
NO168752C (no) 1992-04-01
AU4247289A (en) 1990-04-12
ZA897399B (en) 1990-10-31
CN1041720A (zh) 1990-05-02
NO168752B (no) 1991-12-23
NZ230904A (en) 1991-03-26
NO893967D0 (no) 1989-10-05
EP0365157A1 (en) 1990-04-25

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Legal Events

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