FR2676041B1 - Procede de levage multipoint controle de structures importantes relativement souples, et systemes correspondant. - Google Patents

Procede de levage multipoint controle de structures importantes relativement souples, et systemes correspondant.

Info

Publication number
FR2676041B1
FR2676041B1 FR9105666A FR9105666A FR2676041B1 FR 2676041 B1 FR2676041 B1 FR 2676041B1 FR 9105666 A FR9105666 A FR 9105666A FR 9105666 A FR9105666 A FR 9105666A FR 2676041 B1 FR2676041 B1 FR 2676041B1
Authority
FR
France
Prior art keywords
relatively flexible
corresponding systems
flexible structures
controlled lifting
multipoint
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 - Lifetime
Application number
FR9105666A
Other languages
English (en)
Other versions
FR2676041A1 (fr
Inventor
Raymond Chastagnol
Philippe Zanker
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.)
Freyssinet SAS
Original Assignee
Freyssinet SAS
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 Freyssinet SAS filed Critical Freyssinet SAS
Priority to FR9105666A priority Critical patent/FR2676041B1/fr
Publication of FR2676041A1 publication Critical patent/FR2676041A1/fr
Application granted granted Critical
Publication of FR2676041B1 publication Critical patent/FR2676041B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/22—Synchronisation of the movement of two or more servomotors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
FR9105666A 1991-05-03 1991-05-03 Procede de levage multipoint controle de structures importantes relativement souples, et systemes correspondant. Expired - Lifetime FR2676041B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9105666A FR2676041B1 (fr) 1991-05-03 1991-05-03 Procede de levage multipoint controle de structures importantes relativement souples, et systemes correspondant.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9105666A FR2676041B1 (fr) 1991-05-03 1991-05-03 Procede de levage multipoint controle de structures importantes relativement souples, et systemes correspondant.

Publications (2)

Publication Number Publication Date
FR2676041A1 FR2676041A1 (fr) 1992-11-06
FR2676041B1 true FR2676041B1 (fr) 1997-10-03

Family

ID=9412656

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9105666A Expired - Lifetime FR2676041B1 (fr) 1991-05-03 1991-05-03 Procede de levage multipoint controle de structures importantes relativement souples, et systemes correspondant.

Country Status (1)

Country Link
FR (1) FR2676041B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2705954A1 (fr) * 1993-06-04 1994-12-09 Sefac Equipement Ensemble de levage et dispositif de gestion du fonctionnement d'une association d'éléments de levage unitaires, notamment pour véhicules.
US6988716B2 (en) * 2000-07-28 2006-01-24 Hoffend Jr Donald A Modular lift assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2602298A (en) * 1949-09-01 1952-07-08 Electrol Inc Equalizing valve for plural motor systems
FR1108366A (fr) * 1954-07-02 1956-01-12 Servomecanismes Electroniques Perfectionnements aux systèmes de commande de vérins
US3638535A (en) * 1970-10-01 1972-02-01 Ritter Engineering Co Level means
US4510849A (en) * 1980-10-24 1985-04-16 Khramtsov Alexandr A Apparatus for synchronizing actuators
DE3515762A1 (de) * 1985-05-02 1986-11-06 Zippo Gesellschaft für Hebetechnik mbH, 7600 Offenburg Mehrsaeulen-hebebuehe od. dgl. und verfahren zur gleichlaufsteuerung ihrer hubelemente
DE3525823A1 (de) * 1985-07-19 1987-01-29 Schmitz Soehne Gmbh Maschf Wegeabhaengige gleichlauf-drucksteuerung fuer zweiseitig arbeitende pressen, insbes. bundpressen
AT385466B (de) * 1985-12-30 1988-04-11 Hoerbiger Hydraulik Gleichlaufregeleinrichtung fuer einen hydraulischen mehrzylinderantrieb
DE3611753C2 (de) * 1986-04-08 1993-12-16 Bilfinger Berger Bau Vorrichtung zum gleichmäßigen Heben und Senken sowie gleichmäßigen horizontalen Verschieben von Bauwerken
US4784058A (en) * 1986-08-13 1988-11-15 Kabushiki Kaisha Kobe Seiko Sho Press control for maintaining a level position and a uniform pressure on a workpiece

Also Published As

Publication number Publication date
FR2676041A1 (fr) 1992-11-06

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