A locking system for a rotating joint

B - Operations – Transporting – 62 – D

Patent

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Details

B62D 53/02 (2006.01) F16D 1/108 (2006.01) F16D 11/14 (2006.01) F16D 25/061 (2006.01)

Patent

CA 2400672

The present invention relates to a locking system for a rotating joint. In the device, the locking system comprises a rigid locking means movable in the axial direction, provided with a first cogging which can be moved for locking of the rotational motion with the locking means in a contact with a second cogging, to transmit the rotational movement, wherein said third and fourth cogginas are, for releasing the cogging, designed in such a way that a force effect releasing the locking of the rotational motion is formed between them, and a third cogging which is, during the locking of the rotational motion, in a contact with a fourth cogging, to transmit the rotational motion, as well as a sealing element for forming at least one closed hydraulic space with a varying volume between the locking means and the sealing element, wherein the locking means is arranged to be moved to a locking state and to be kept in the locking state by the effect of a pressurized medium.

La présente invention concerne un système de blocage pour joint tournant. Dans le dispositif, le système de blocage (L) comprend des organes (12) de blocage rigides pouvant être déplacés en direction axiale (X1), pourvus d'un premier cylindre cranté (13) pouvant être déplacé pour le blocage à l'aide des organes (12) de blocage, en contact avec un deuxième cylindre cranté (14) de façon à transmettre un mouvement de rotation. Afin de pouvoir être débloqués, lesdits cylindres crantés (13, 14) sont conçus de façon qu'un effet de force de déblocage se produise entre eux. Lors du blocage, un troisième cylindre cranté (16) est en contact avec un quatrième cylindre cranté de façon à transmettre le mouvement de rotation. Un élément (21) de fermeture est destiné à former au moins un espace hydraulique (24) fermé avec un volume variable entre les organes (12) de blocage et l'élément (21) de fermeture, les organes (12) de blocage étant destinés à être déplacés pour le blocage et à rester dans cet état à l'aide d'un support sous pression.

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