According to the fatigue loading bridge subjected to enlargement more and more , the fatigue breakages of bridge have occurred continuously 鉴于桥梁在使用中受到的疲劳荷载作用越来越大,不断有桥梁发生疲劳破坏。
Aircraft . connection of passenger loading bridge or transfer vehicle . interface requirements in the vicinity of main deck passenger doors 航空.机场天桥设备.乘客登机桥或转运车辆的连接.乘客登机主舱门周围的界面要求
This paper analyses and researches full - digital control system of container loading bridge , based on the electric - control system technology transform item of container loading bridge for a harbor 本文是在为某港的集装箱装卸桥的电控系统进行技术改造的工程项目的基础上,对集装箱装卸桥的全数字控制系统进行了比较全面的分析和研究。
Qinjiatuo bridge for three gorges project is a super bridge over the approach of the sea - route on lower reaches of the temporary lock . the bridge is 303 . 10m in length . the bridge is the heaviest - loaded bridge in asia at present , whose design loads are automobile - 135 and trailer - 660 三峡工程覃家沱桥为横跨临时船闸下游引航道的一座特大桥,大桥全长303 . 10m ,设计荷载为汽? 135级,挂? 660级,为目前亚洲第一重载桥。
? introducing the component of mechanical system of container loading bridge , mainly including hoisting mechanism , gantry travelling mechanism , boom mechanism and trolley mechanism . ? devising the electric control system of container loading bridge , mainly including hoist / gantry control circuit and boom / trolley control circuit 设计了一套集装箱装卸桥的电气控制系统,主要包括供电系统的设计、辅助回路的设计、起升/大车回路的组成及控制、俯仰/小车回路的组成及控制等。