| 摘要 |
A ladle crane is provided to change or update elements used for controlling power of a semiconductor element and the others. A ladle crane(1) comprises: an end tie(3), a main girder(5), an auxiliary girder(7), a main trolley(9) and an auxiliary trolley(11). The end tie includes a driving device driven on a driving rail. The main girder and the auxiliary girder are attached to the end tie. The driving device is arranged between the driving rail and the end tie. The driving device drives the ladle crane along the driving rail. Additionally, a power container(29), which is detachable from the ladle crane, is attached to the ladle crane. |
