摘要
为减小阀用超磁致伸缩致动器的体积,提出一种新型超磁致伸缩致动器,设计了其关键部件,最后通过实验分析了其静、动态特性。该新型超磁致伸缩致动器采用非磁性不锈钢套筒安装超磁致伸缩筒料和棒料的结构进行位移传递。设计了以碟簧为核心的预压机构、超磁致伸缩棒料和筒料、位移传递套筒、驱动线圈等超磁致伸缩致动器关键部件。实验表明,该致动器在工作区段最大输出位移可达100μm,且在低频驱动(0～200 Hz)下动态特性良好。该新型超磁致伸缩致动器可以在保证与传统超磁致伸缩致动器低频输出特性基本一致的前提下减小了自身体积。
In order to reduce the volume of the giant magnetostrictive actuator for valve,a new kind of giant magnetostrictive actuator（GMA） is proposed in this paper.The key components of GMA had been designed and it′s static and dynamic performance had also been measured.The structure of non-magnetic stainless steel displacement transfer sleeve with a giant magnetostrictive tube and a giant magnetostrictive rod had been introduced.The preload disc spring,sleeve,drive coil,giant magnetostrictive tube and giant magnetostrictive rod had been designed.The result of experiment shows that the output displacement of actuator′s work section has get to 100 μm,the low-frequency（0~200 Hz） dynamics of actuator are well.Therefore,this GMA reduces the size greatly on the basis of guarantee the same properties with traditional GMA.
出处
《机械设计》
CSCD
北大核心
2013年第5期55-58,共4页
Journal of Machine Design
基金
总装备部"十二五"装备预先研究资助项目(51312060404)
关键词
超磁致伸缩致动器
位移传递套筒
结构设计
实验研究
giant magnetostrictive actuator
displacement transfer sleeve
design
experimental study
