EP0056551B1 - Moyens élastiques pour dispositif élévateur mécanique de plate-forme marine - Google Patents

Moyens élastiques pour dispositif élévateur mécanique de plate-forme marine Download PDF

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Publication number
EP0056551B1
EP0056551B1 EP81402058A EP81402058A EP0056551B1 EP 0056551 B1 EP0056551 B1 EP 0056551B1 EP 81402058 A EP81402058 A EP 81402058A EP 81402058 A EP81402058 A EP 81402058A EP 0056551 B1 EP0056551 B1 EP 0056551B1
Authority
EP
European Patent Office
Prior art keywords
frame
rack
elastic means
pinions
platform
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
EP81402058A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0056551A1 (fr
Inventor
Jean Havard
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.)
Brissonneau et Lotz Marine SA
Original Assignee
Brissonneau et Lotz Marine 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 Brissonneau et Lotz Marine SA filed Critical Brissonneau et Lotz Marine SA
Priority to AT81402058T priority Critical patent/ATE11944T1/de
Publication of EP0056551A1 publication Critical patent/EP0056551A1/fr
Application granted granted Critical
Publication of EP0056551B1 publication Critical patent/EP0056551B1/fr
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
    • E02B17/021—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto with relative movement between supporting construction and platform
    • E02B17/024—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto with relative movement between supporting construction and platform shock absorbing means for the supporting construction
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
    • E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
    • E02B17/0818—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with racks actuated by pinions

Definitions

  • the present invention relates to installations of so-called self-elevating marine platforms, in particular provided for carrying out drilling operations at sea, provided with a plurality of legs and with a plurality of associated lifting devices of the pinion and rack type making it possible to adjust the position and the holding in position of the platform on the legs.
  • each of the lifting devices comprises two groups of pinions driven in rotation by motor means, by means of gears fixed to a frame mounted on the platform , the pinions of the one and the other group respectively meshing with one of the teeth of a double rack having two opposite parallel teeth, integral with the corresponding leg.
  • the frame can be fixed to the structure of the platform by elastic means.
  • These elastic means which can be constituted, for example, by an assembly formed of metal plates such as steel, interposed with plates of an elastic material, have a high compressive strength and can be deformed axially and, in a certain measure transversely, consequently authorizing relative freedom of movement between the frame and the structure of the platform.
  • the present invention aims to overcome these drawbacks and relates to a particular favorable arrangement of elastic means interposed between the frame and the structure of the platform.
  • the invention relates to a rack and pinion type lifting device designed to allow the position of a marine platform to be adjusted vertically and to maintain the latter in the desired position on a plurality of legs on each of which is rigidly fixed.
  • a rack and pinion type lifting device designed to allow the position of a marine platform to be adjusted vertically and to maintain the latter in the desired position on a plurality of legs on each of which is rigidly fixed.
  • at least one double rack with opposite teeth to which is associated a lifting device comprising at least one pair of pinions connected to the structure of the platform, by means of a frame, each of the pinions respectively meshing with the one of the two teeth of the associated rack, so as to be located on either side of the rack, the pinions being driven in rotation by motor and reducing means, so as to determine in one direction or the other the required movements, the frame being fixed to the structure by elastic means allowing relative freedom of movement between the latter (known from US-A-3,967,457).
  • the elastic means are arranged obliquely so that the compression axes of these means pass substantially through the instantaneous center of rotation of the upper part of the leg.
  • Figures 1 and 2 show an elevator device connected to the structure of a platform by means of elastic means arranged in accordance with the invention according to two embodiments.
  • reference 1 designates the structure of the platform.
  • Reference 2 designates the frame carrying the drive members acting on the pinions 3 (two in number in the examples shown).
  • the rotation of these pinions 3 controls the relative movements of the double rack 4 either in one direction, to determine the elevation of the platform above the surface of the sea when the feet secured to the rack are supported on the seabed, in the other direction so that the lifting of these feet allows the floating of the platform.
  • the elastic means are arranged between an oblique sole 6 formed in a recess of a foot 7 secured to the frame 2 and a corresponding sole 8 projecting from the structure of the platform.
  • the elastic damping means 5 are arranged between an oblique sole 6 formed on the part 9 of the frame 2, extended laterally for this purpose and a corresponding sole 8 projecting from the structure of the platform .
  • the compression axes of the elastic means 5 are inclined, the flanges 6 and 8 between which they are arranged also being inclined relative to the horizontal for this purpose.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
  • Types And Forms Of Lifts (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Paper (AREA)
  • Transmission Devices (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Vibration Prevention Devices (AREA)
  • Vibration Dampers (AREA)
  • Details Of Aerials (AREA)
EP81402058A 1980-12-31 1981-12-23 Moyens élastiques pour dispositif élévateur mécanique de plate-forme marine Expired EP0056551B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81402058T ATE11944T1 (de) 1980-12-31 1981-12-23 Elastische mittel fuer eine mechanische hebevorrichtung einer offshore-plattform.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8027914 1980-12-31
FR8027914A FR2497248A1 (fr) 1980-12-31 1980-12-31 Moyens elastiques pour dispositif elevateur mecanique de plate-forme marine

Publications (2)

Publication Number Publication Date
EP0056551A1 EP0056551A1 (fr) 1982-07-28
EP0056551B1 true EP0056551B1 (fr) 1985-02-20

Family

ID=9249704

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81402058A Expired EP0056551B1 (fr) 1980-12-31 1981-12-23 Moyens élastiques pour dispositif élévateur mécanique de plate-forme marine

Country Status (7)

Country Link
US (1) US4443000A (enrdf_load_stackoverflow)
EP (1) EP0056551B1 (enrdf_load_stackoverflow)
JP (1) JPS57133917A (enrdf_load_stackoverflow)
AT (1) ATE11944T1 (enrdf_load_stackoverflow)
DE (1) DE3169124D1 (enrdf_load_stackoverflow)
FR (1) FR2497248A1 (enrdf_load_stackoverflow)
NO (1) NO151937C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007034049B3 (de) * 2007-07-19 2008-06-12 Hoerbiger Automatisierungstechnik Holding Gmbh Piezoelektrisches Ventil

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2520868A1 (fr) * 1982-02-01 1983-08-05 Brissonneau & Lotz Dispositif pour la mesure des charges appliquees aux batis des mecanismes elevateurs des plates-formes marines
CA1330907C (en) * 1987-12-18 1994-07-26 Jovito N. Abellana Platen module for a modular mailing machine
CA2000132C (en) * 1988-10-12 2000-08-01 Danilo P. Buan Improved platen module
FR2759400B1 (fr) * 1997-02-07 1999-04-23 Schlumberger Services Petrol Plate-forme de forage petrolier du type "jack-up" ou a piliers elevateurs a cremaillere, a elevation independante pour chaque membrure de chaque pilier
US6523647B2 (en) * 2001-05-21 2003-02-25 Hydro Mobile Inc. Elevating platform assembly
US7334305B2 (en) * 2003-12-12 2008-02-26 S&S Cycle, Inc. Bearing and seal installation device and method
FR2881413B1 (fr) * 2005-01-28 2008-02-29 Hydralift Blm Sa Dispositif pour manoeuvrer une structure en elevation ou en abaissement
BE1019907A4 (nl) * 2011-04-18 2013-02-05 Geosea N V Opvijzelbaar offshore platform en werkwijze voor het onderdrukken van laterale oscillerende bewegingen ervan.
US9145956B2 (en) 2013-01-25 2015-09-29 Gustomsc Resources B.V. Torque sharing drive and torque sharing process
US9531237B2 (en) 2013-12-19 2016-12-27 Gustomsc Resources B.V. Dual rack output pinion drive
CN103850236B (zh) * 2014-01-21 2015-11-04 武汉船用机械有限责任公司 齿轮齿条式平台升降系统
CN119162977A (zh) * 2024-11-04 2024-12-20 中集海洋工程研究院有限公司 海洋平台的升降系统及海洋平台

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2538954A (en) * 1945-12-12 1951-01-23 M B Mfg Company Inc Nondirectional isolator unit
GB796231A (en) * 1955-11-08 1958-06-11 Metalastik Ltd Improvements in or relating to vibration absorbing mounting
US3007317A (en) * 1957-10-01 1961-11-07 De Long Corp System for erecting a marine platform
US3007676A (en) * 1959-12-09 1961-11-07 Addison W Arthurs Energy-recuperating lifting jack
GB1089669A (en) * 1965-08-06 1967-11-01 American Mach & Foundry Jacking system for off-shore platforms
BE758930A (fr) * 1969-11-14 1971-04-16 Armco Steel Corp Structure supportée par des pylones, installée au large, avec appareils de levage
US3967457A (en) * 1974-07-11 1976-07-06 Engineering Technology Analysts, Inc. Self-elevating offshore drilling unit legs
US3986368A (en) * 1975-05-27 1976-10-19 Levingston Shipbuilding Company Load equalizing and shock absorber system for off-shore drilling rigs
JPS589781Y2 (ja) * 1976-08-12 1983-02-22 東海ゴム工業株式会社 自動車用エンジン支持装置
FR2383118A1 (fr) * 1977-03-10 1978-10-06 Metalliques Entrepr Cie Fse Perfectionnements apportes aux ensembles du genre des plates-formes pour installations petrolieres sur fond marin ou autre, ou aux ensembles y assimilables
NL7713674A (nl) * 1977-12-09 1979-06-12 Stevin Baggeren Bv Werkplatform.
FR2436099A1 (fr) * 1978-09-14 1980-04-11 Brissonneau & Lotz Mecanisme de levage pour plate-forme auto-elevatrice

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007034049B3 (de) * 2007-07-19 2008-06-12 Hoerbiger Automatisierungstechnik Holding Gmbh Piezoelektrisches Ventil

Also Published As

Publication number Publication date
ATE11944T1 (de) 1985-03-15
JPS57133917A (en) 1982-08-18
FR2497248B1 (enrdf_load_stackoverflow) 1983-11-10
DE3169124D1 (en) 1985-03-28
FR2497248A1 (fr) 1982-07-02
NO151937C (no) 1985-07-03
US4443000A (en) 1984-04-17
NO814478L (no) 1982-07-01
NO151937B (no) 1985-03-25
EP0056551A1 (fr) 1982-07-28

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