| 摘要 |
<p>An inspection device for use in confined or inaccessible locations comprising a carriage having a body (11) mounted on skids (not shown) or other means for transport within the location. The body carries a unit (32) so as to be adjustable longitudinally by a motor (44), angularly by a motor (37), and radially by a motor (56). The unit carries a camera (49) movable between a position (49a) where it is trained along the lined pipe in a generally radial position. A second camera (41) is mounted in fixed position on the unit (32).</p> |
