| 摘要 |
A gantry of gantry crane comprises horizontally arranged a support ring of gantry, a gantry sprocket, four vertical support legs of gantry that by swivel joints by their upper end sections are connected to the support ring of gantry, and by middle sections, through intermediate beams and bolted joints made with high-strength connection – with the gantry sprocket, four intermediate vertical racks of gantry connecting intermediate beams to the upper end sections of supporting racks of gantry, two horizontal beams that connect in pairs the lower end sections of gantry racks. Each supporting rack of gantry, intermediate beam and intermediate rack have one piece design, providing freight rail gauges, and the gantry sprocket is designed as a cross symmetric relative to the vertical axis. |
