Magnetic Fluid Sealing Structure of Integrated Pole Shoe

被引：0
|
作者：
Yu W. [1 ]
Li D. [1 ,2 ]
Zhang Z. [1 ]
机构：
[1] School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing
[2] State Key Laboratory of Tribology, Tsinghua University, Beijing
来源：
Xinan Jiaotong Daxue Xuebao/Journal of Southwest Jiaotong University | 2023年 / 58卷 / 04期
关键词：
finite element; integrated pole shoe; magnetic fluid; pressure resistance; sealing;
D O I：
10.3969/j.issn.0258-2724.20210936
中图分类号：
学科分类号：
摘要：
Magnetic fluid seal of integrated pole shoe has promising prospect. To study the factors affecting its pressure resistance, the structural parameters of the integrated pole shoe are analyzed. First, the pressure resistance formula of the magnetic fluid sealing structure is deduced. Second, the finite element simulation is used to analyze the pressure performance of the magnetic fluid seal structure, in terms of thin-wall presence, thin-wall thickness, axial distance between pole teeth and thin wall, and the distribution ratio of multi-stage pole shoe size. Finally, the magnetic fluid sealing device of integrated pole shoe was made, and an experimental platform was built. The results show that the pressure resistance of the integrated pole shoe is slightly smaller than that of the traditional pole shoe, but the difference is trivial; the thin wall thickness and the axial distance between pole teeth and the thin wall are inversely proportional to the pressure resistance of the sealing structure; for the multi-stage pole shoe structure, the length of the pole shoe between the magnets is longer than the pole shoe length on both sides, which is more conducive to the pressure resistance of the magnetic fluid seal. © 2023 Science Press. All rights reserved.
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页码：940 / 946
页数：6
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