摘要 |
<p>The present invention relates to a giant gantry (1) comprising: two beams (2) which bear running tracks (7); two legs (3,4) which support the beams (2); at least one large carriage (5) and at least one small carriage which are designed to move along the running tracks (7), the large carriage (5) and the small carriage being configured such that they can cross one another when travelling over the beams (2), in which gantry (1) each beam (2) has an outer section of which the height (H) varies when moving along at least part of a running track (7).</p> |