| 摘要 |
<p>An apparatus and method for moving connection equipment on a drilling rig, the apparatus comprising a stem (190) and an extension apparatus (100) comprising a mount (141), at least a first linkage (110), a second linkage 5 (120), a third linkag e (130), a support (18) for supporting connection equipment and powered extension apparatus (150) arranged between the mount (141) and the first linkage (110), wherein, upon activation of said powered extension apparatus (150), said first linkage 10 (110), sa id second linkage (120), and said third linkage (130) extend or retract to move said support (18) away from or towards said stem (190).</p> |
