In accordance with application , special structure and working condition of the water gate , the paper presents the comparative analysis for the technical feature and developing tendency of the hydraulic water gate at home and abroad , describes several key technical points of the water gate in the three gorges project , points out technical drawback in manufacturing large - size hydraulic water gate in china , expounds and proves the importance for analyzing and researching the water gate and definably raises orientation and content in research and analysis 针对三峡枢纽工程中液压启闭机的使用场合和特殊的结构、工况条件，对比分析了国内、外液压启闭机的技术特点、发展方向；详细阐述了三峡液压启闭机设备的几个关键技术；指出了国内在大型液压启闭机设备制造中的技术不足；论证了对三峡液压启闭机设备的进行分析、研究的重要性；明确提出了分析、研究的方向、内容。
To begin with , the dissertation analyzes pragmatic problems , which warrant out urgent attention , of water conservancy market oriented enterprises . after which , through the sumnary of fundamental principles of mass customization , and combined with the characteristics of water conservancy engineering project , a conclusion is reached that the fundamental principles of mass customization are applicable to the development of water conservancy machinery products . then upon research of water conservancy machinery products designing , essential framework of mass customization is duly proposed , and eventually , there is a specific case study for applied engineering research by the selected example of typical product titled " mass mobile dan " 论文首先分析了面向水利市场的企业迫切需要解决的实际问题；然后通过归纳总结大规模定制的基本原理，结合水利工程项目的特点，得出大规模定制的基本原理适用水利机械产品的开发；并对水利机械产品的设计进行了研究；进而研究提出了水利机械产品的大规模定制( mc )基本框架，最后选择一个典型的产品“大型移动启闭机”为案例进行工程应用研究。
Standing on the new development start point , the company will put forth effort to market innovation , scientific and technology innovation , management innovation , enterprise cultural construction and infrastructure construction , improvement of the economic strength , market competitive power and ability to resist risks of enterprises in an all - round way so as to make itself the modernized high - tech enterprise , the nation - famous photoelectric technology enterprise and precision steel tubes processing center , the strongest and largest hydraulic hoist equipment production base in the world , the world first rate hydraulic cylinder and subsurface sucker rod pumps manufacturing center and to do more contribution to the defense construction and national industry soaring 站在新的发展起点上，公司将着力推进市场创新、科技创新、管理创新、企业文化建设和基础设施建设，全面提高企业的经济实力、市场竞争能力和抗风险能力，将公司打造为现代化的高科技企业，成为中国知名的光电技术企业和精密钢管加工中心，世界最强最大的液压启闭机成套设备生产基地，国际一流的液压油缸和抽油泵制造中心，为国防现代化建设和民族工业的腾飞贡献我们的力量！
According to the actuality of the studied water power station , the thesis combine the advanced fieldbus technique , ethernet and the traditional hydraulic technique together , and use them to design the supervise controlling system of the water power station . base on the gate - controlling request of the water power station , designed the gate ' s hydraulic hoist system 文章从结合所研究的水电站的实际需要出发，将先进的现场总线技术、以太网技术与传统的液压技术相结合，并应用到水电站闸门监控系统的实际设计过程中。论文根据所研究水电站闸门控制的具体技术要求，设计了适合该水电站的液压启闭机系统。
In the light of the features in special outer protection and displacement detecting control , the methods , principle , precision and characteristic in detecting displacement of various cylinders are comparatively analyzed , an advanced non - contact detecting method with protection function suitable for detecting displacement of a long stroke cylinder is raised ; the structure , stroke , precision and safety required by a long stroke cylinder are resolved 针对启闭机用油缸的特殊外防护和位移检测控制特点，对比分析了各种油缸的位移检测方法及原理、检测精度、特点；给出了一种先进的适合长行程液压缸位移测量，兼具防护功能的非接触测量方法，解决了长行程液压缸位移测量对结构、行程、精度、安全等问题的要求。
The renewal and reconstruction measures are made on the machine houses of the lifts , the gates , the lifts and the electric equipments concerned for the problems therein such as the aging , degradation , poor performance and the decrease of the safety factors of both the gates and lifts etc . , from which better reconstruction effect is obtained at last 针对其闸门及启闭机老化、退化、性能落后、安全系数下降等问题，采取了封闭启闭机房、闸门改造、更新改造启闭机及电气设备等措施，取得了良好的效果。
