Drawworks

Details Drawworks Drawworks

B - Operations, Transporting

66

D

B66D 5/14 (2006.01) B66D 1/58 (2006.01) B66D 5/26 (2006.01) E21B 19/00 (2006.01)

Patent

CA 2477377

In the drawworks for lowering and withdrawing a load, in particular a drilling or a drilling plugging device, in particular for use on floating drilling platforms, which drawworks has at least one brake arrangement for braking and holding the load, an emergency brake device is provided for producing an additional braking force (fig. 1).

La présente invention concerne un mécanisme de levage pour déposer et soulever une charge, notamment un système de forage ou de fermeture de forage, destiné en particulier à être utilisé sur des plates-formes de forage flottantes, ledit mécanisme de levage présentant au moins un dispositif de freinage pour ralentir et maintenir la charge. Selon l'invention, un dispositif de freinage d'urgence sert à produire une force de freinage supplémentaire.

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