| Study on Structural Optimization and Compression Characteristics of Rubber Sealing Strip for Sliding Plug Door of High-speed Train |
| Received:July 09, 2020 Revised:July 09, 2020 |
| DOI：10.12136/j.issn.1000-890X.2022.03.0163 |
| Key Words: high-speed train；sliding plug door；rubber sealing strip；structural optimization；compression characteristic；contact pressure；sealing performance |
| Author Name | Affiliation | E-mail | | LI Jinwei* | Nanjing Kangni Mechanical & Electrical Co.，Ltd | lijinwei_love@126.com | | TAN Wen-cai | Nanjing Kangni Mechanical Electrical Co.,Ltd. R D center | | | TAN Wencai | Nanjing Kangni Mechanical & Electrical Co.，Ltd | | | WANG Wei | Nanjing Kangni Mechanical & Electrical Co.，Ltd | |
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| Abstract: |
| Abstract：Using the two parameter Mooney-Rivlin hyperelastic constitutive model，the simulation and
test results of the compression load-compression amount of the rubber sealing strips for the sliding plug door
of high-speed train with different hardness were compared，and the material constants of the sealing strips
with different hardness were determined. The compression characteristics of the optimized sealing strip were
simulated and the air tightness was verified by experiments. The results showed that under the compression
amount of 4 mm，the maximum contact pressure between the door frame bead and the sealing strip before and
after optimization was basically the same. Compared with the unoptimized sealing strip，the compression load
of the optimized sealing strip was reduced by 29. 4%，and its sealing performance was nearly doubled |
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