Based on the application condition and the character of the similar device, a safety accommodation ladder, which can flex, fold and lift automatically, can be electric and manual operated, is designed for medium or small sized watercraft to berth at a wharf in storm or in ebb and flow by the use of the Pro/E and ANSYS.
该设备具有伸缩、折叠与起升功能,可电动和手动操作,能适应船艇靠泊时大风浪及涨落潮环境。
Firstly the introduction of collecting high-tree fruits in alien was made ,according to the actual condition and the requirement of collecting fruits in china,a new type of machine which can collecting high-tree fruits flexiblely was desighed, and the structure parameter of the machine was confirmed .
介绍了国内的高枝果实的采摘情况,根据我国的实际情况及采果要求,设计出了一种新型的可伸缩式高枝采果器,并确定了采果器的结构参数。
To lay the cable along the bridge successfully,the technical problems such as bridge expansion and vibration,and grounding should be solved.
洋山深水港110 kV变电站的电源线路是敷设于东海大桥的箱梁内的两回110 kV 630 mm2交联电缆,是目前世界上最长的敷设于桥梁的高压电缆,详尽介绍了在东海大桥电缆工程设计时,应对桥梁伸缩、振动,以及如何处理电缆金属护套的接地等技术难题所采取的措施。
The advantages of rigid UPVC pipe are introduced and according to expansion, fixing, noise and other practical questions corresponding preventive and control measures are proposed.
介绍了硬质聚氯乙烯排水管 (UPVC排水管 )的诸多优点 ,从UPVC排水管的伸缩、固定及噪音方面 ,就其在实际使用中存在的具体问题作了分析 ,提出了一些防治措
The paper introduced the maintenance procedure of bridge expansion joints and discussed its importance.
介绍东山过境高速公路桥梁伸缩缝维修经过,说明伸缩缝养护在桥梁养护中的重要性。