| 摘要 |
<p>The manipulator described has two trolleys (8, 9) which can move along the periphery of the connection pipe (3) and which are fitted with a jointed-shank arm (10). Each of the ends of the two shanks (11, 12) of the jointed-shank arm (10) is mounted in a hinged support (13, 14) on one of the trolleys (8, 9). The other ends of the shanks (11, 12) are joined to each other by a crown hinge (15) on which a support (16) for a tool or test head (17) is mounted.</p> |
