| 摘要 |
PURPOSE: A yard crane is provided to install a deck inside a gantry for transferring plural containers at once, and to improve the processing speed of the containers. CONSTITUTION: A yard crane includes a gantry(110), a trolley(120), and a spreader(130). The gantry is formed of plural horizontal frames and vertical frames. The trolley is installed on the upper side of the gantry, and reciprocates. The spreader is installed on the lower side of the trolley, and picks up containers. A deck for mounting the containers in plural is installed inside the gantry. |
