中直径水介质高压机械回转密封的研究  

Study on a High pressure Water Mechanical Swivel for a Middle Diameter

作　　者：王建生[1] 李晓红[1] 杨林[1] 卢义玉[1] 朱勇[1] 

机构地区：[1]重庆大学

出　　处：《流体机械》2000年第1期8-11,共4页Fluid Machinery

基　　金：国家杰出青年基金!(59725410)

摘　　要：分析了新型大直径水介质高压机械回转密封的结构和工作原理，讨论了动密封环的设计计算方法。试验研究表明，该密封理论可行、结构合理、具有密封间隙自动补偿性能、寿命长、泄漏量小、性能稳定，能够满足工业应用的要求，其密封原理可推广到掘进机及其它高压旋转供液系统的大、中直径密封上，具有良好的应用前景。For solving the problem of high pressure water swivels for a larger diameter,a new type seal,high pressure mechanical swivel with auto controlling gap is developed,and its structure and working principle are analyzed.It is found that the new swivel has many advantages of reasonable structure,auto controlling gap,longer service life,lower leak and greater durability et al,and can be use in the systems of supplying high pressure fluid in road header and other machines.

关 键 词：机械回转密封 高压水 水介质 密封环 

分 类 号：TH136[机械工程—机械制造及自动化]