| 摘要 |
The present invention relates to a sheave system. The sheave system formed in a marine floating structure includes: a rope pulley for guiding movement of a cable wound around a reel; and a trolley for transporting the rope pulley by being connected to the rope pulley. The sheave system according to the present invention has the effect of performing an adjustment work of a utility line or a movement work of a BOP or X-mas tree by being able to prevent interference of a number of utility lines connected to the BOP or X-max tree by comprising a movable trolley system in the sheave system, and thus has the effect of performing a drilling operation of a drill ship rapidly. The sheave system according to the present invention has the effect of performing maintenance and repair very conveniently and rapidly. |
