WO2006103259A1 - Dispositif d'absorption d'énergie - Google Patents
Dispositif d'absorption d'énergie Download PDFInfo
- Publication number
- WO2006103259A1 WO2006103259A1 PCT/EP2006/061149 EP2006061149W WO2006103259A1 WO 2006103259 A1 WO2006103259 A1 WO 2006103259A1 EP 2006061149 W EP2006061149 W EP 2006061149W WO 2006103259 A1 WO2006103259 A1 WO 2006103259A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fuse
- parts
- jaws
- secured
- threads
- Prior art date
Links
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 description 10
- 238000013016 damping Methods 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/04—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion incorporating energy absorbing means
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3276—Arrangements on buildings for connecting safety-lines
- E04G21/329—Arrangements on buildings for connecting safety-lines with measures for dampening the fall
Definitions
- the present invention relates to an energy absorbing device and a safety fastening system equipped with this device.
- the invention will find particularly its application in the field of security installations implementing lifelines by which personnel involved in perilous conditions can ensure.
- the invention is more particularly to safety fastening systems for damping shocks due in particular to the fall of people in an accident.
- WO-A-01/87420 discloses a safety anchoring device comprising an energy absorber.
- the invention advantageously allows for its possible settings
- the energy absorption is performed by plastic deformation of a helical element.
- the remanent deformation produced on the helical element ensures the absorption of the energy produced in case of shock.
- a disadvantage of this type of device is that it produces a remanent deformation of the helical element which makes it impossible to reuse.
- the damping level can not be adjusted by this type of device.
- Document WO-A-03/039680 also discloses a safety anchoring device comprising a shock absorber conventionally formed by a set of threaded rods carrying a nut and able to translate with a large friction in a jacket, the relative friction of the threaded rod with the nut and the liner producing energy absorption so as to dampen shocks.
- a shock absorber conventionally formed by a set of threaded rods carrying a nut and able to translate with a large friction in a jacket, the relative friction of the threaded rod with the nut and the liner producing energy absorption so as to dampen shocks.
- the shock absorber is degraded which affects its possibilities for reuse.
- the present invention overcomes all or part of the disadvantages of the aforementioned devices and have for this purpose an energy absorbing device for improved security fastening system.
- the device proposed here comprises two parts that can be set in relative motion with a friction to absorb at least a portion of the energy produced during shocks.
- Adjusting means are advantageously present to adjust the friction force between the two parts able to be set in relative motion.
- the adjustment of the friction force is made so that one continuously adjusts the friction force either increasing or decreasingly.
- this variation is achieved by modifying the contact force between the two parts, that is to say by modifying the bearing force applied by one of the parts on the surface of the other part.
- the energy absorbing device further comprises fuse means so as to trigger the relative movement of the two parts only beyond a certain predetermined threshold of effort (advantageously, the predetermined threshold of effort is chosen in relation to the predetermined friction force).
- the energy absorbing device is incorporated in a security fastening system of the general shape of a post having a body adapted to pivot relative to a base and allowing the connection of persons via lifeline or anchor point.
- the present invention relates to a device for absorbing energy for a safety fastening system comprising two parts able to be set in relative motion with friction so as to absorb energy, characterized in that a part has two jaws able to apply on both sides of the other part.
- this device is such that:
- the other part has a cable portion adapted to move between the jaws.
- the jaws comprise a guide groove of the cable portion.
- the device has fusible means for triggering the relative movement of the two parts only beyond a predetermined force threshold.
- the fusible means are two fusible parts secured by a threaded connection and each secured to a different portion and configured so that the threaded connection is broken beyond the predetermined force threshold. [031] - the fusible parts have resistance to tearing of different threads so that the breaking of the threaded connection is due to the tearing of the threads of one piece fuse.
- the fusible parts are made of materials of different mechanical strength.
- the invention also relates to a safety fastening system having an anchor base on a reference surface and connecting means to a lifeline characterized in that it comprises an absorption device of energy between the base and the connection means. [036] According to preferred variants, this system is such that:
- connection means comprise a body surmounting the base and receiving the absorption device in its interior volume.
- the system comprises:
- Figure 6 is a sectional view along the line A-A of Figure 1.
- the security fastening system shown in figures incorporates an energy absorbing device comprising two parts capable of being set in relative motion with friction.
- the moving parts are a cable portion 5 on the one hand, and means 9a, 9b fulfilling a vice function on the other hand.
- the security fastening system shown has the general shape of a post provided with a base 1 adapted to be fixed on a reference surface 15 (for example a roof covering) via a plurality of screws 13 passing through visible holes particularly in FIG. 6.
- the base 1 is surmounted by a body 3 constituting the essential element of connecting means 2 to a lifeline 14.
- the lifeline is connected via a ring 6 of current design.
- Any known means of connection between the system of the invention and a lifeline 14 can be used without departing from the scope of the invention.
- the body 3 is for example of cylindrical shape and defines an inner volume of receiving parts forming energy absorbing device.
- the body 3 encloses a frame 4 made integral with the body 3 for example by welding, the frame 4 for supporting the vise formed of the jaws 9a, 9b.
- the upper end of the cable portion 5 is embedded in the body assembly 3 chassis 4 for example at the upper end of the body 3.
- the lower end of the cable portion 5 is embedded in a part 7 itself secured to the base 1 by means of connecting links 11.
- the connecting links 11 ensure a freedom of movement in rotation of the base 1 relative to the part 7.
- An intermediate portion of the cable portion 5, in the case shown near the part 7, is framed by the jaws 9a, 9b so as to provide a relative contact force capable of producing friction when the cable portion 5 is in motion relative to the jaws 9a, 9b.
- a large residual volume remains inside the body 3 which allows storage of a long cable portion length 5.
- a threaded connection 12 assembles the workpiece
- a second fuse piece 8 is integrally formed to the frame 4 with a threaded portion adapted to cooperate with the threads of the part 7 to produce the connection 12 above.
- the second fuse piece 8 is formed of in one piece with the frame 4.
- this piece can be made reported and, advantageously, so as to be interchangeable.
- a pull-out resistance of the threads for threaded connection 12 is selected such that it determines the triggering threshold of the energy absorbing device.
- this threshold is exceeded, for example in the event of a sudden shock due to the fall of a person, the threaded connection 12 is destroyed which ensures freedom of movement of the cable portion 5 in the jaws 9a, 9b.
- the generated friction absorbs at least partially the energy due to impact.
- FIGS 2 to 5 show various phases of setting the absorption device in motion.
- a shock is produced and transmitted to the safety fastening system through the lifeline 14 connected to the system by the connecting means 2.
- a slight tilting of the body 3 may occur relative to the base 1 and this, because of the connecting links 11 for such a tilting.
- the force is less than the predetermined threshold so that the threaded connection 12 remains intact.
- the force is such that the threshold is exceeded and the threaded connection 12 has torn off.
- each jaw 9a, 9b has an inner groove visible in Figure 6 to allow a good translational guide of the cable portion 5.
- Figures 4 and 5 show the progression of the relative movement of the portion of cable 5 and jaws 9a, 9b.
- the friction generates an energy absorption (so as to dampen the shock) which also allows the limitation of efforts on the host structure.
- the part 7 can be performed interchangeably in a less resistant material than the piece 8.
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX2007012098A MX2007012098A (es) | 2005-04-01 | 2006-03-29 | Aparato de absorcion de energia. |
DK06725405T DK1863576T3 (da) | 2005-04-01 | 2006-03-29 | Energiabsorberende enhed |
US11/910,042 US7921967B2 (en) | 2005-04-01 | 2006-03-29 | Energy-absorbing device |
EP06725405A EP1863576B1 (fr) | 2005-04-01 | 2006-03-29 | Dispositif d'absorption d'énergie |
CA2603638A CA2603638C (fr) | 2005-04-01 | 2006-03-29 | Dispositif d'absorption d'energie |
DE602006001742T DE602006001742D1 (de) | 2005-04-01 | 2006-03-29 | Energieabsorbierende vorrichtung |
AU2006228148A AU2006228148B8 (en) | 2005-04-01 | 2006-03-29 | Energy-absorbing device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0550851A FR2883758B1 (fr) | 2005-04-01 | 2005-04-01 | Dispositif d'absorption d'energie |
FR0550851 | 2005-04-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006103259A1 true WO2006103259A1 (fr) | 2006-10-05 |
Family
ID=35448272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/061149 WO2006103259A1 (fr) | 2005-04-01 | 2006-03-29 | Dispositif d'absorption d'énergie |
Country Status (12)
Country | Link |
---|---|
US (1) | US7921967B2 (fr) |
EP (1) | EP1863576B1 (fr) |
AT (1) | ATE400327T1 (fr) |
AU (1) | AU2006228148B8 (fr) |
CA (1) | CA2603638C (fr) |
DE (1) | DE602006001742D1 (fr) |
DK (1) | DK1863576T3 (fr) |
ES (1) | ES2309954T3 (fr) |
FR (1) | FR2883758B1 (fr) |
MX (1) | MX2007012098A (fr) |
PT (1) | PT1863576E (fr) |
WO (1) | WO2006103259A1 (fr) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8061482B2 (en) | 2005-05-24 | 2011-11-22 | Capital Safety Group Emea | Tensioner for safety line with energy absorption device |
EP2412408A1 (fr) * | 2010-07-29 | 2012-02-01 | Rodolphe Argoud | Dispositif d'absorption d'énergie pour l'ancrage d'une ligne de vie ou similaire |
DE102010047221A1 (de) | 2010-10-04 | 2012-04-05 | Edelrid Gmbh & Co. Kg | Falldämpfer für ein Klettersteigset |
US8584796B2 (en) | 2005-05-24 | 2013-11-19 | Capital Safety Group Emea | Method for fitting a safety line cable on a tensioner |
WO2013124288A3 (fr) * | 2012-02-24 | 2014-05-01 | Capital Safety Group (Northern Europe) Limited | Ancrage de sécurité |
EP3199722A3 (fr) * | 2016-01-29 | 2017-08-09 | QBM Distributors Ltd | Ancrage de sécurité |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2911074B1 (fr) | 2007-01-08 | 2009-04-10 | Gamesystem Sarl | Dispositif d'ancrage destine a prevenir les chutes. |
EP2603290B1 (fr) * | 2010-08-11 | 2015-11-04 | Honeywell International Inc. | Absorbeurs d'énergie et piliers comprenant lesdits absorbeurs d'énergie |
GB2490874A (en) * | 2011-05-10 | 2012-11-21 | Checkmate Ltd | Support post assembly with shock absorber for fall safety line |
WO2012177675A2 (fr) * | 2011-06-23 | 2012-12-27 | Honeywell International Inc. | Poteaux destinés à être utilisés dans une protection contre les chutes |
US9707421B2 (en) | 2013-02-08 | 2017-07-18 | D B Industries, Llc | Energy absorber cover |
Citations (5)
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US4978139A (en) * | 1988-12-20 | 1990-12-18 | Mercedes-Benz Ag | Energy absorbing device for safety belts of motor vehicles |
WO2001087420A1 (fr) | 2000-05-18 | 2001-11-22 | Keyguard Limited | Absorbeur d'energie |
US6338399B1 (en) * | 1998-04-02 | 2002-01-15 | Gary E. Choate | Energy absorption device for fall arrest systems |
WO2003039680A1 (fr) | 2001-11-05 | 2003-05-15 | Rodolphe Argoud | Dispositif d'ancrage de securite comportant un amortisseur de choc |
US20030111310A1 (en) * | 1999-12-21 | 2003-06-19 | Renton Julian E. | Energy absorber |
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US3087584A (en) * | 1961-04-10 | 1963-04-30 | Zelm Associates Inc Van | Load limiting shock strut |
US3965543A (en) * | 1974-11-22 | 1976-06-29 | Symons Corporation | She-bolt type gripper device for concrete wall form tie rods of indeterminate length |
US4558584A (en) * | 1983-03-14 | 1985-12-17 | Paul Brong Machine Works, Inc. | Combination cable crimper and cutter |
GB8630787D0 (en) | 1986-12-23 | 1987-02-04 | Barrow Hepburn Equip Ltd | Fall-arrest cable attachments |
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US5015205A (en) * | 1989-11-07 | 1991-05-14 | Franks George J Jr | Cable clamp |
US5015023A (en) * | 1989-12-11 | 1991-05-14 | Hall Gaddis G | Automatic cable gripping device |
GB9120299D0 (en) | 1991-09-24 | 1991-11-06 | Latchways Ltd | Load attachment system, and parts fittings therefor |
WO1994008658A1 (fr) * | 1992-10-14 | 1994-04-28 | Rose Systems, Inc. | Appareil de securite |
US5297651A (en) * | 1993-04-28 | 1994-03-29 | Swingstage Limited | Safety load transfer device and system |
US5400868A (en) * | 1993-10-04 | 1995-03-28 | Research And Trading Corporation | Shock indicator for use on safety cables |
AU725720B2 (en) * | 1994-02-09 | 2000-10-19 | Boston Scientific Technology Inc. | Bifurcated endoluminal prosthesis |
US7611521B2 (en) * | 1996-09-13 | 2009-11-03 | Tendon Technology, Ltd. | Apparatus and methods for tendon or ligament repair |
US6001098A (en) * | 1997-01-17 | 1999-12-14 | Howmedica Gmbh | Connecting element for spinal stabilizing system |
DE29719485U1 (de) * | 1997-11-03 | 1999-03-18 | Soell Gmbh | Absturzsicherung |
US6068648A (en) * | 1998-01-26 | 2000-05-30 | Orthodyne, Inc. | Tissue anchoring system and method |
GB2336617A (en) | 1998-04-23 | 1999-10-27 | Latchways Plc | Height safety system |
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US6076236A (en) * | 1999-04-02 | 2000-06-20 | Maclean-Fogg Company | Top opening cable connector |
US6874729B1 (en) * | 1999-07-23 | 2005-04-05 | Advanced Aerospace Technologies, Inc. | Launch and recovery system for unmanned aerial vehicles |
GB2354052B (en) * | 1999-10-01 | 2002-09-18 | Simon Rood | Support device for safety line |
US6516920B1 (en) * | 1999-10-21 | 2003-02-11 | Karl M. Schafler | Tag line pack |
FR2801511B1 (fr) * | 1999-11-30 | 2002-02-08 | Tractel Sa | Dispositif de freinage progressif de la chute d'une charge |
US6371002B1 (en) * | 2000-09-29 | 2002-04-16 | The United States Of America As Represented By The Secretary Of The Navy | Detachable shock-absorbing ram-plate |
US6779630B2 (en) * | 2000-10-10 | 2004-08-24 | Gary E. Choate | Rebar stanchion horizontal lifeline fall arrest system |
US7585445B2 (en) * | 2002-09-26 | 2009-09-08 | Saurer Gmbh & Co., Kg | Method for producing high tenacity polypropylene fibers |
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EP2510884A1 (fr) * | 2003-11-17 | 2012-10-17 | Boston Scientific Limited | Systèmes pour associer un implant médical à un dispositif de pose |
US8061479B2 (en) * | 2004-04-06 | 2011-11-22 | Harris Jr Rano J | Fall protection system |
FR2886165B1 (fr) * | 2005-05-24 | 2007-07-13 | Capital Safety Group Emea Sa | Procede de montage d'un cable de ligne de securite sur un tendeur |
FR2886166B1 (fr) * | 2005-05-24 | 2007-08-03 | Capital Safety Group Emea Sa | Tendeur pour ligne de securite avec dispositif d'absorption d'energie |
-
2005
- 2005-04-01 FR FR0550851A patent/FR2883758B1/fr not_active Expired - Fee Related
-
2006
- 2006-03-29 ES ES06725405T patent/ES2309954T3/es active Active
- 2006-03-29 US US11/910,042 patent/US7921967B2/en not_active Expired - Fee Related
- 2006-03-29 DK DK06725405T patent/DK1863576T3/da active
- 2006-03-29 AT AT06725405T patent/ATE400327T1/de active
- 2006-03-29 CA CA2603638A patent/CA2603638C/fr not_active Expired - Fee Related
- 2006-03-29 DE DE602006001742T patent/DE602006001742D1/de active Active
- 2006-03-29 AU AU2006228148A patent/AU2006228148B8/en not_active Ceased
- 2006-03-29 WO PCT/EP2006/061149 patent/WO2006103259A1/fr active IP Right Grant
- 2006-03-29 MX MX2007012098A patent/MX2007012098A/es active IP Right Grant
- 2006-03-29 EP EP06725405A patent/EP1863576B1/fr not_active Not-in-force
- 2006-03-29 PT PT06725405T patent/PT1863576E/pt unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4978139A (en) * | 1988-12-20 | 1990-12-18 | Mercedes-Benz Ag | Energy absorbing device for safety belts of motor vehicles |
US6338399B1 (en) * | 1998-04-02 | 2002-01-15 | Gary E. Choate | Energy absorption device for fall arrest systems |
US20030111310A1 (en) * | 1999-12-21 | 2003-06-19 | Renton Julian E. | Energy absorber |
WO2001087420A1 (fr) | 2000-05-18 | 2001-11-22 | Keyguard Limited | Absorbeur d'energie |
US20030151180A1 (en) * | 2000-05-18 | 2003-08-14 | Julian Renton | Energy absorber |
WO2003039680A1 (fr) | 2001-11-05 | 2003-05-15 | Rodolphe Argoud | Dispositif d'ancrage de securite comportant un amortisseur de choc |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8061482B2 (en) | 2005-05-24 | 2011-11-22 | Capital Safety Group Emea | Tensioner for safety line with energy absorption device |
US8584796B2 (en) | 2005-05-24 | 2013-11-19 | Capital Safety Group Emea | Method for fitting a safety line cable on a tensioner |
EP2412408A1 (fr) * | 2010-07-29 | 2012-02-01 | Rodolphe Argoud | Dispositif d'absorption d'énergie pour l'ancrage d'une ligne de vie ou similaire |
FR2963245A1 (fr) * | 2010-07-29 | 2012-02-03 | Rodolphe Argoud | Dispositif d’absorption d’energie pour l’ancrage d’une ligne de vie ou similaire |
DE102010047221A1 (de) | 2010-10-04 | 2012-04-05 | Edelrid Gmbh & Co. Kg | Falldämpfer für ein Klettersteigset |
WO2013124288A3 (fr) * | 2012-02-24 | 2014-05-01 | Capital Safety Group (Northern Europe) Limited | Ancrage de sécurité |
EP3199722A3 (fr) * | 2016-01-29 | 2017-08-09 | QBM Distributors Ltd | Ancrage de sécurité |
Also Published As
Publication number | Publication date |
---|---|
FR2883758B1 (fr) | 2007-06-15 |
PT1863576E (pt) | 2008-10-07 |
EP1863576B1 (fr) | 2008-07-09 |
FR2883758A1 (fr) | 2006-10-06 |
CA2603638A1 (fr) | 2006-10-05 |
ATE400327T1 (de) | 2008-07-15 |
ES2309954T3 (es) | 2008-12-16 |
DK1863576T3 (da) | 2008-11-17 |
AU2006228148B8 (en) | 2011-08-11 |
US7921967B2 (en) | 2011-04-12 |
AU2006228148A1 (en) | 2006-10-05 |
AU2006228148A8 (en) | 2011-08-11 |
EP1863576A1 (fr) | 2007-12-12 |
CA2603638C (fr) | 2014-05-27 |
AU2006228148B2 (en) | 2011-04-21 |
US20080251320A1 (en) | 2008-10-16 |
DE602006001742D1 (de) | 2008-08-21 |
MX2007012098A (es) | 2008-04-07 |
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