SYSTEM FOR HOISTING A LOAD ON AN OFFSHORE RIG

摘要

There is described a system (1) for hoisting a load (7) on an offshore rig, the system (1) comprising - a winch (2) having a winch drum (23); - drive means (3) for operating said winch (2); - one or more sheaves (51a, 53a), - an elongated hoisting member (21, 21', 21'', 21'''), such as a wire rope, adapted to run over said one or more sheaves (51a, 53a) and to connect said winch (2) to a load (7), wherein said winch drum (23), in a first position of use (A), is adapted to accommodate a single layer of said elongated hoisting member (21, 21', 21'', 21''').