深海电机旋转轴密封性能研究.docx

西南交通大学硕士学位论文深海电机旋转轴密封性能研究姓名：邹波 中请学位级别：硕士专业：驱动技术与智能系统指导教师：邓斌于兰西南交通大学硕士研究生学位论文第11页AbstractWith t h e exploi tat ion going on in sea, the deep 一 seamotorwhich i s the core o f deep 一 seamotor i s t h e p a r t o f underwater e q u i p m e nt is used widely. The s e a 1 k e y probl emwhen the commonmotor works i n deep 一 sea, especial 1 y the rotat ingshaf t seal, it s performancewi 1 1 have a di rec t impact o n t he mo t o r^S wo r k i ng. According t 0 t h e d i f f e rent working d e p th scope o f m 0 t 0 r ,t h e s haft seal canbedivided into t w 0 ? 1 n t h e s ? 1 s : pressure rotat i n g seal a n d p r e s s u r e ty pescompensa tion r 0 t a t i n g s e a 1 . Firstly, the performance 0 f m e c h a n i c a 1 seals which used i n p r e s s u r e r 0 tat ingseal was ana 1 y z e d. The m 0 d e 1 0 f s e a 1 ringwas accomplishedwith AN S Y S S 0 f t w are. With the radial and axial f 0 r c e ,t h e r e 1 a t i o n be tween contact p r e s s u r e a n d pa r a m e ters o f seal rings w a s d ■ 1 s c u s s e d . The analysis r e s u 1 t s ? 1 n d ? 1 c a t e d t hat, the contact pressure ? 1 n c r e a s e d a s the load c 0 e f f i c i e n t , spring pressure andmedium p r e s s u r e i n creasing, and the role o f m e d ■ 1 u m p r e s sure i s m o s t o b v i o u s . Medium P r e s s u r e i s envi ronment factor, SO when t h e s e a 1 i n g performancesat i sfied, a s m a 1 1 e r 1 0 a d coefficient and spring P a r s e p s 0 s s u r s i e s b 1 h e ? o u 1 d b e c h o o s e d . The contact pressure d e c r e a s e d a s the end face width ■ 1 n c r e a s i n g, S 0 thebigger one was a good c h 0 ■ 1 c e ? T h e seal i n g pressure o f p r e s s u r e c 0 mpensat ion rotat i n g seal was i n g s and 1 i p seals were used s m a 1 1 ,s 0 0 ? r f 0 r t h i s t y p e seal. And the key problem c 0 n s ■ 1 s t e d ■ 1 n how the t remendous pressure 0 f w a t e r w 0 u 1 d impact o n seals. Through t h e s ? 1 m u 1 a t i o n o f 0. ring, the r e s u Its ■ 1 n