| 摘要 |
<p>It comprises: a support structure (1) consisting of vertical pillars (11) connected by profiles and bracings (12) and provided with independent height-adjustable feet (13), with tilting sitting plates (14) for its stable support on the seabed and the levelling of the structure (1), these vertical pillars (1) emerging from the water; a cradle (2) mounted on the vertical pillars (1) with possibility of vertical displacement and provided with adjustable means for the support of the ship (B) during its lifting and support above the water level; means (3, 31) for the vertical displacement of the cradle (2) between a non-operating position in which it is arranged submerged in the water and an operating position in which it is arranged above the water level.</p> |
