Focusing on typical radial spring energized sealing structure,the sealing mechanism and the elastic characteristics of the O shape curved metal spiral spring were analyzed to study the sealing characteristics of radial spring energized sealing structure.A nonlinear finite element model for typical spring energized sealing structure was set up with finite element software ANSYS.Contact pressure of spring energized seal under different compression ratio and different medium pressure was discussed in order to get the change rule under different conditions.The results indicate that the maximum contact pressure is increased with the increasing of medium pressure when the compression ratio is instant.With the increasing of compression ratio,the maximum contact pressure is increased first and then decreased when the medium pressure is instant.The fitting curves between compression ratio,medium pressure and maximum contact pressure were researched,which can be used for accurate design of spring energized sealing structure.
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丁大江,刘照智,王飞,杨俊恒,古丽娜.径向弹簧蓄能密封结构最大接触应力的有限元分析[J].润滑与密封,2019,44(5):142-148. . Finite Element Analysis on Maximum Contact Pressure of Radial Spring Energized Sealing Structure[J]. Lubrication Engineering,2019,44(5):142-148.