APPARATUS FOR ANCHORING AN OFFSHORE VESSEL

摘要

An apparatus for anchoring a floating off-shore unit or other type of floating vessel, comprising a rotatably mounted chain sprocket wheel (3) having a chain (3a) secured on its outer periphery, The wheel (3) being arranged to be rotated by reciprocating movement of at least two hydraulic cylinders (1, 2). Each of the cylinders (1, 2) is provided with a locking arm (6, 7) for releasably and mechanically engaging a portion of the wheel (3) in order to rotate the wheel (3) during movement of the respective cylinders (1, 2). Also described is a chain stopper comprising at least four blocks (8) that are hinged at their first ends and at their second ends have a surface that is adapted to engage a chain link The blocks (8) are mounted in opposite pairs.

主权项

1. An apparatus for anchoring a floating off-shore unit or other type of floating vessel, comprising:
a rotatably mounted holding device having a traction means secured on its outer periphery, said holding device being arranged to be rotated by reciprocating movement of at least two drive devices; wherein each of said drive devices is provided with a non-frictional locking means for releasably and mechanically engaging a portion of the holding device in order to rotate the holding device during movement of the respective drive devices.