EP0104983B1 - Gondel - Google Patents

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Publication number
EP0104983B1
EP0104983B1 EP83401761A EP83401761A EP0104983B1 EP 0104983 B1 EP0104983 B1 EP 0104983B1 EP 83401761 A EP83401761 A EP 83401761A EP 83401761 A EP83401761 A EP 83401761A EP 0104983 B1 EP0104983 B1 EP 0104983B1
Authority
EP
European Patent Office
Prior art keywords
cable
cabin
nacelle
permitting
hooked
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
Application number
EP83401761A
Other languages
English (en)
French (fr)
Other versions
EP0104983A1 (de
Inventor
Xavier Peyre
Jean-Pierre Manesse
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.)
PLASTIBENNE SOCIETE A RESPONSABILITE LIMITEE DITE
Alstom SA
Original Assignee
Plastibenne A Responsabilite Dite Ltee Ste
Alstom SA
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 Plastibenne A Responsabilite Dite Ltee Ste, Alstom SA filed Critical Plastibenne A Responsabilite Dite Ltee Ste
Publication of EP0104983A1 publication Critical patent/EP0104983A1/de
Application granted granted Critical
Publication of EP0104983B1 publication Critical patent/EP0104983B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/02—Devices for facilitating retrieval of floating objects, e.g. for recovering crafts from water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/16—Arrangement of ship-based loading or unloading equipment for cargo or passengers of lifts or hoists
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/30—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S254/00—Implements or apparatus for applying pushing or pulling force
    • Y10S254/90—Cable pulling drum having wave motion responsive actuator for operating drive or rotation retarding means

Definitions

  • the present invention relates to a nacelle which in a first application allows the transfer of a load and in particular of personnel between a fixed or mobile structure and a structure subjected to pounding movements and which in a second application can be used as a bell stable suspension diving.
  • the invention applies in particular in the petroleum industry for transferring personnel from an offshore platform to a boat and vice versa.
  • French patent application 2 493 290 a device has been described for transporting people using a crane between a first support on which the crane is disposed and a second support located at a level below the first support. and animated by a relative movement with respect to the first support.
  • This device comprises a nacelle comprising two separate winches allowing one to unwind a cable upwards and the other to unwind a cable downwards.
  • a ratchet system allows the rotation in one direction of either of the winches to be controlled on command.
  • the pawl of a winch is not in the blocking position it allows the rotation of the corresponding winch in both directions which allows it to wind and unwind at the rate of the swell.
  • Belgian patent 864 814 describes a device for stably suspending a load under a boat, however in this device said boat necessarily includes special arrangements which obligatorily link it to said load which does not allow the load, for example a bell diving, to be suspended from any boat.
  • the present invention aims to overcome these drawbacks and relates to a nacelle comprising at least one cable whose upper end comes out above the nacelle and whose lower end comes out below the nacelle and means allowing the nacelle to go up or down along the cable when the upper end of the cable is hooked to a hooking member, characterized by means making it possible to subject the upper part of the cable to a tension greater than the weight of the nacelle when the lower part of the cable is fixed to an anchoring point, said tensioning means allowing a variation of the distance between said hooking member of the upper end of the cable and the nacelle, and means allowing, on command of act on said tensioning means so that the distance between the hooking member of the upper end of the cable and the nacelle can no longer be shortened, without however prohibiting its elongation.
  • said means making it possible to subject the upper part of the cable to a tension greater than the weight of the cabin and allowing a variation in the distance between the hooking member and the nacelle and the means making it possible, on command, to ensure that that this distance can no longer be shortened comprises a hydraulic cylinder comprising at each end a pulley on which said cable is mouflaged, the cylinder being connected to a pressurized gas accumulator comprising a free piston via a pipe comprising a valve for opening or closing said pipe, this pipe being provided with a parallel pipe comprising a non-return valve in the accumulator direction towards the jack.
  • the invention applies in particular to the transfer of charge between a fixed or mobile structure and a structure subjected to pounding movements, characterized in that the lower end of the cable is hooked by means of a rigid release hook. at the landing location provided on the structure subjected to pounding movements, the upper end of the cable being hooked to the hook of a crane located on the fixed or mobile structure.
  • the invention also applies as a diving bell with stable suspension, the lower part of the cable being attached to the bottom of the sea and the upper part of the cable being attached to an assembly which pounds.
  • FIG. 1 there is a platform 1 and a boat 2 which provides personnel transport from the side to the platform. Transfer from boat 2 to platform 1 or vice versa is done read by means of a nacelle 3 which is suspended from the hook 4 of a crane 5 located on the platform.
  • the principle of the invention consists in raising or lowering, according to the direction of transfer, the nacelle along a cable 6 by means of a motor located in the nacelle, the upper end of the cable being hooked to the hook 4 of the crane 5 and the lower end 7 of the cable being hooked by means of a quick-release hook 8 to the deck of the boat 2, the nacelle 3 comprising means, described below with reference to FIG. 3, allowing, when the hook 8 is hooked to the deck of the boat to ensure that the nacelle follows the movements of the swell, and allowing, by unhooking the croc 8 when the cable is relaxed between the nacelle and the deck of the boat, to separate the nacelle from the movements of boat.
  • Such a principle can be illustrated by means of a cabin gripped by a cable which passes through it, the cabin comprising means of hoisting along the cable, the lower end of the cable being hooked to the deck of a boat by means of 'quick release hooking, and the upper end of the cable passing on a pulley, suspended from the crane hook, and comprising a heavier counterweight than the cabin, means being provided to block the descent of the counterweight a few moments before to unhook the boat deck cable during any phase of the boat on the swell.
  • FIG. 3 shows a particular preferential mechanism making it possible to obtain the same result but in which the counterweight is replaced by a more realistic hydropneumatic system.
  • the cable 6 is wrapped around a hydraulic cylinder 9, provided at each of its ends with a pulley 23, 24, connected to a compressed gas accumulator 10, and passes through a winch 11 with an endless cable.
  • this winch cannot move under the sole action of the cable which itself cannot slide relative to the winch.
  • this winch is obviously located between the lower end 7 of the cable 6 and the jack 9.
  • the hydraulic circuit includes a quarter-turn valve 12 and in series a flow control valve 13. In parallel on these two members is placed a non-return valve 14 preventing the passage of oil in the accumulator direction towards the cylinder and in parallel on the flow valve 13 is placed a safety valve 15.
  • the accumulator 10 comprises a free piston 16 separating the pressurized gas contained in the accumulator above the piston 16, oil filling the cylinder and the hydraulic circuit described above.
  • Figure 2 shows in cutaway perspective a nacelle containing all the organs of the device shown in Figure 3. This device is shus in the central part of the nacelle inside a cylinder 17 enclosing the entire mechanism.
  • the nacelle 3 rests on the deck of the boat, the lower part of the cable 6, under the nacelle, is hooked, by means of the quick-release hook 8, to the deck of the boat and it is stretched.
  • This hook can be self-releasing with a lack of tension and can be hung on the cable 6 by a damping device.
  • the boat is placed appreciably under the hook of the crane.
  • the crew hooks on the hook 4 of the crane 5 the upper end of the cable 6 exiting from above the nacelle.
  • the valve 12 is open, that is to say 90 ° from the position shown in FIG. 3.
  • the rod 20 of the jack 9 is extended and the piston 16 of the accumulator 10 is in the low position.
  • the crane operator then lifts the hook 4 of his crane so as to energize the cable 6.
  • the nacelle then climbs along the cable 6 adding its upward movement to the pounding movement of the boat, the rod 20 of the jack returning and leaving at the rate of waves: it enters under the action of the traction of the portion of cable located under the nacelle and hung on the deck of the boat during the periods of trough of wave and it leaves under the action of the pressure of the gas of the accumulator 10 during periods of rise.
  • the valve 12 is closed at any time, which can be easily executed automatically, for example by a cam.
  • slack is created in the portion of cable 6 located between the deck of the boat and the nacelle, since the rod 20 of the jack can no longer come out under the action of the pressure of the accumulator 20 since the pipe 21 comprises a non-return valve 14 and that the pipe 22 is closed by the valve 12.
  • the crew then detaches the hook 8 and the crane operator then takes the cabin to the platform 1.
  • the passengers climb into the nacelle, the valve 12 being closed and the rod 20 of the jack having been partially retracted beforehand, the crane operator presents the cabin above the boat at about twenty meters.
  • the crew then hooks hook 8 to the deck of the boat.
  • the valve 12 is then opened and, under the pressure of the accumulator 10, the rod 20 of the jack 9 comes out which raises the nacelle thus putting under tension the portion of cable 6 situated under the nacelle. From this moment, the nacelle is joined to the movements of the boat and the winch 11 is started up in the direction of the descent of the nacelle along the cable 6.
  • the flow control valve 13 allows, by limiting the oil flow to attenuate the ascent rate of the nacelle 3 when the valve 12 opens, this flow control valve 13 is bypassed by a safety valve 15.
  • the winch 11 can be driven by a thermal, electric or other system. Power can be supplied by cable from the boat. This cable is hooked and unhooked at the same time as the cable 6 by the hook 8. The current can also be supplied by an accumulator placed in the luggage compartment.
  • the winch can for example be the one sold under the name LIFTO by the company LAHO and the hook 8 is for example a hook with quick release from a distance, of the national marine type.
  • the system according to the invention brings numerous advantages: smooth arrival and departure of the boat nacelle, the nacelle then passes, also smoothly, from its attachment to a first mobile structure, to a second fixed or also mobile structure; the crew, the crane operator and the passengers only have to carry out ordinary maneuvers which they already know perfectly.
  • the device can be used from any structure equipped with a sufficient crane and on any side of the structure. Obviously the stroke of the cylinders is calculated so as to be greater than the sum of the maximum envisaged stroke of the two structures.
  • the nacelle according to the invention can also be used as a diving bell ensuring a stable suspension as shown in FIG. 4: the end 7 of the cable 6 is fixed to the bottom of the sea to a body dead 30 and the hook 4 is linked to a pounding assembly such as a ship 31.
  • the nacelle can be raised in a well 32 of the boat.
  • the lower end 7 of the cable 6 can be detached from the dead body 30.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Jib Cranes (AREA)
  • Medicinal Preparation (AREA)
  • Manufacturing Of Micro-Capsules (AREA)

Claims (5)

1. Kabine (3) mit mindestens einem Kabel (6), dessen oberes Ende oberhalb der Kabine austritt und dessen unteres Ende unterhalb der Kabine austritt, und mit Mitteln (11), die es der Kabine ermöglichen, sich entlang dem Kabel nach oben oder unten zu bewegen, wenn das obere Ende des Kabels an einem Befestigungsorgan (4) befestigt ist, gekennzeichnet durch Mittel (9, 10), die es ermöglichen, den oberen Teil des Kabels einer Spannung zu unterwerfen, die grösser ist als das Gewicht der Kabine, wenn der untere Teil (7) des Kabels an einem Ankerpunkt befestigt ist, wobei die Spannmittel eine Veränderung des Abstands zwischen dem Befestigungsorgan des oberen Endes des Kabels und der Kabine (3) ermöglichen, und durch Mittel (12, 14), die es auf Befehl ermöglichen, so auf die Spannmittel einzuwirken, dass der Abstand zwischen dem Befestigungsorgan (4) des oberen Endes des Kabels und der Kabine sich nicht mehr verkürzen kann, ohne jedoch seine Verlängerung zu unterbinden.
2. Kabine nach Anspruch 1, dadurch gekennzeichnet, dass die Mittel, die es ermöglichen, den oberen Teil des Kabels einer Spannung zu unterwerfen, die grösser ist als das Gewicht der Kabine und die eine Veränderung des Abstands zwischen dem Befestigungsorgan und der Kabine ermöglichen, und die Mittel, die es auf Befehl ermöglichen, dass dieser Abstand sich nicht mehr verkürzen kann, einen Hydraulikzylinder (9) aufweisen, der an jedem Ende eine Umlenkrolle (23, 24) trägt, über die das Kabel (6) geführt ist, wobei der Zylinder mit einem Druckgasakkumulator (10) verbunden ist, der einen freien Kolben (16) aufweist, und zwar über eine Leitung (22) mit einem Ventil (12), das es ermöglicht, die Leitung zu öffnen oder zu schliessen, wobei diese Leitung mit einer Parallelleitung (27) versehen ist, die ein Rückschlagventil (14) in Richtung zum Akkumulator (19) zum Zylinder aufweist.
3. Kabine nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Mittel, die es der Kabine erlauben, sich entlang dem Kabel (6) nach oben oder nach unten zu bewegen, eine Endloswinde (11) aufweisen.
4. Anwendung der Kabine gemäss einem der Ansprüche 1 bis 3 auf einen Ladungstransfer zwischen einer festen oder beweglichen Struktur (1) und einer Struktur (2), die Stampfbewegungen ausgesetzt ist, dadurch gekennzeichnet, dass das untere Ende des Kabels (7) über einen starren Abwurfhaken (8) an dem auf der den Stampfbewegungen ausgesetzten Struktur (2) vorgesehenen Landungspunkt befestigt ist, während das obere Ende des Kabels (6) am Haken eines Krans (5) auf der festen oder beweglichen Struktur (1) befestigt ist.
5. Anwendung der Kabine nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass man sie als Tauchglocke mit stabiler Aufhängung verwendet, wobei das untere Ende (7) des Kabels (6) am Meeresboden und das obere Ende des Kabels (6) an einer Stampfeinheit befestigt ist.
EP83401761A 1982-09-07 1983-09-07 Gondel Expired EP0104983B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8215164 1982-09-07
FR8215164A FR2532612A1 (fr) 1982-09-07 1982-09-07 Dispositif pour le transfert de personnel entre une structure fixe ou mobile et une structure soumise a des mouvements de pilonnement

Publications (2)

Publication Number Publication Date
EP0104983A1 EP0104983A1 (de) 1984-04-04
EP0104983B1 true EP0104983B1 (de) 1986-06-04

Family

ID=9277262

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83401761A Expired EP0104983B1 (de) 1982-09-07 1983-09-07 Gondel

Country Status (4)

Country Link
US (1) US4630542A (de)
EP (1) EP0104983B1 (de)
FR (1) FR2532612A1 (de)
NO (1) NO160842C (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8500359D0 (en) * 1985-01-07 1985-02-13 Watercraft Ltd Marine survival system
FR2577510A1 (fr) * 1985-02-15 1986-08-22 Peyre Xavier Bateau de transbordement vertical et horizontal
FR2618503B1 (fr) * 1987-07-24 1991-10-04 Inst Francais Du Petrole Dispositif de transmission de forces pour appliquer un couple moteur determine sur un element tournant
US4964491A (en) * 1989-07-11 1990-10-23 The United States Of America As Represented By The Secretary Of The Navy System for limiting snap load intensity
US5140927A (en) * 1991-01-02 1992-08-25 Motion Technology Motion compensation and tension control system
US5178087A (en) * 1991-01-16 1993-01-12 Single Buoy Moorings, Inc. Mooring device
GB2290524B (en) * 1993-03-13 1997-03-12 Philip Anton Strong A transfer system
WO1994021511A1 (en) * 1993-03-13 1994-09-29 Philip Anton Strong A transfer system
US6309160B1 (en) 1999-07-29 2001-10-30 George J Greene, Jr. Offshore personnel transfer system
NO309419B1 (no) * 1999-10-29 2001-01-29 Kongsberg Offshore As Fremgangsmåte og anordning for utskiftning av utstyr på havbunnen
DE10025074B4 (de) * 2000-05-20 2006-11-09 Hailo-Werk Rudolf Loh Gmbh & Co. Kg Einrichtung zum Befördern von Personen
AT501098A1 (de) * 2004-11-02 2006-06-15 Ehrenleitner Franz Lasthebevorrichtung
US7556471B1 (en) * 2006-04-21 2009-07-07 The United States Of America As Represented By The Secretary Of The Navy Inter-ship personnel transfer device and method of moving between compacted state and non-compacted state
GB0610268D0 (en) * 2006-05-24 2006-07-05 Expro North Sea Ltd Deployment system
NL2005328C2 (en) * 2010-09-08 2012-03-12 Presign Holding B V Method and assembly for safe transfer of personnel from a vessel to a stationary object.
FR2986498B1 (fr) * 2012-02-03 2014-02-14 Thales Sa Ensemble de reception d'un engin navigant et systeme de recuperation et de deploiement a la mer d'un tel engin
EP2969883B1 (de) * 2013-03-15 2018-08-29 Howard M. Chin Wetterwartungssystem für ein offshore-windturbinen-wartungsprogramm
US9670037B2 (en) * 2013-10-08 2017-06-06 Advanced Personnel Pods, Llc Personnel transport and transfer system
SE542260C2 (en) * 2015-05-12 2020-03-31 Offshore Access Sweden Ab System for transporting objects to ocean structures
US10196239B1 (en) * 2016-11-21 2019-02-05 John Barry DeRay Tree house elevator
NL2018789B1 (en) * 2017-04-26 2018-11-05 Seaspyder B V Marine transfer platform, and method for vertical transfer of at least one person or goods using the marine transfer platform.
DK180805B1 (en) * 2020-07-20 2022-04-05 Enabl As Method and a system for handling components during transferring of the components from a vessel to a fixed structure

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB920474A (en) * 1961-06-16 1963-03-06 Edmond Eric Himel A device for transferring persons from a relatively stable platform to a more rapidly moving platform
US3648858A (en) * 1970-05-07 1972-03-14 Byron Jackson Inc Stabilized load hoist apparatus
FR2171968A2 (en) * 1972-02-17 1973-09-28 Petroles Cie Francaise Anti-pounding device - eg used in loading and unloading supply vessels at oil drilling platform or ship
FR2180557B1 (de) * 1972-04-20 1976-04-16 Inst Francais Du Petrole
US3794187A (en) * 1972-11-22 1974-02-26 R Begault System and apparatus for transfer of personnel/cargo between a marine platform and crew boat
US4018306A (en) * 1974-05-13 1977-04-19 Lyons Merlyn E Emergency building access apparatus
FR2380182A1 (fr) * 1977-02-09 1978-09-08 Inst Francais Du Petrole Installation flottante reliee a une installation sous-marine fixe, par au moins une conduite flexible
BE864814A (nl) * 1978-03-13 1978-07-03 Brusselle Andre Stabiele ophanging van een onder een schip hangende last
EP0040210A1 (de) * 1979-11-17 1981-11-25 Caley Hydraulics Limited Wellenkompensator
FR2493290A1 (fr) * 1980-11-05 1982-05-07 Bretagne Atel Chantiers Dispositif pour le transport de personnes a l'aide d'une grue
US4395178A (en) * 1980-12-08 1983-07-26 The Boeing Company Transfer system for use between platforms having relative motion between one another

Also Published As

Publication number Publication date
US4630542A (en) 1986-12-23
NO160842C (no) 1989-06-07
EP0104983A1 (de) 1984-04-04
FR2532612A1 (fr) 1984-03-09
NO833186L (no) 1984-03-08
NO160842B (no) 1989-02-27

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