Jacking system

E - Fixed Constructions – 02 – B

Patent

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Details

E02B 17/08 (2006.01)

Patent

CA 2695182

The invention relates to a jacking system for jacking a structure, in particular for jacking offshore platforms or vessels out of the water, said jacking system comprising a leg having a longitudinal axis and comprising first engagement parts along said leg, and a guiding frame displaceable along said leg, said guiding frame comprising at least a first, second, third and fourth actuator, said actuators each having a first and second actuator part which in operation can displace with respect to one another along said leg, said first actuator part of said actuators coupled to said guiding frame, said second actuator parts of s aid actuators each coupled to first engagement parts for engaging and disengaging said first engagement parts of said leg for providing abutment in the longitudinal direction of said leg, said second actuator parts of said actuators displaceable along said leg past one another, and said actuators being arranged in pairs opposite one another with respect to a longitudinal plane of said leg. This jacking system provides a faster jacking of for instance vessels for offshore construction.

La présente invention concerne un système de levage pour lever une structure, en particulier pour lever des plates-formes ou bâtiments marins hors de l'eau. Ledit système de levage comprend un pied qui possède un axe longitudinal et qui comprend des premières parties d'entrée en prise le long dudit pied, et un cadre de guidage mobile le long dudit pied, ledit cadre de guidage comprenant au moins des premier, deuxième, troisième et quatrième actionneurs, lesdits actionneurs possédant chacun des première et seconde parties d'actionneur qui, durant le fonctionnement, peuvent se déplacer l'une par rapport à l'autre le long dudit pied, ladite première partie d'actionneur desdits actionneurs couplée audit cadre de guidage, lesdites secondes parties d'actionneur desdits actionneurs couplées chacune aux premières parties d'entrée en prise pour mettre en prise et hors de prise lesdites premières parties d'entrée en prise dudit pied pour fournir un appui dans la direction longitudinale dudit pied, lesdites secondes parties d'actionneurs desdits actionneurs étant mobiles le long dudit pied les unes devant les autres, et lesdits actionneurs étant agencés par paires opposées l'une à l'autre par rapport à un plan longitudinal dudit pied. Ce système de levage assure un levage plus rapide de, par exemple, bâtiments pour la construction marine.

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