| 摘要 |
<p>The present invention relates to a multi-riser crane which can move multiple risers at once. According to an embodiment of the present invention, disclosed is a multi-riser crane which comprises a jib having the longitudinal direction in one direction; a yoke hung on the jib to be lifted, and having the longitudinal direction same as the longitudinal direction of a beam of the crane; a first gripper formed on each of both ends of the yoke and gripping both ends of other riser; a second gripper formed at the lower side of the first gripper and gripping both ends of other risers; and a first supporting member supporting the second gripper on the first gripper or the yoke.</p> |
