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| 液压制动软管疲劳耐久性能研究 |
| Study on Fatigue Durability of Hydraulic Brake Hose |
| Received:November 30, 2022 Revised:November 30, 2022 |
| DOI：10.12137/j.issn.2095-5448.2024.02.0077 |
| 中文关键词: 液压制动软管；聚酯线；维纶线；中层胶；疲劳耐久性能；失效原理 |
| 英文关键词: hydraulic brake hose；polyester yarn；vinylon yarn；middle rubber；fatigue durability；failure mechanism |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | ZHANG Xiaotai* | Nanjing Orientleader Technology Co., Ltd | njzhangxt@163.com | | SONG Yaping | Nanjing Orientleader Technology Co., Ltd | | | LIU Shunqiao | Nanjing Orientleader Technology Co.，Ltd | | | XU Xing | Nanjing Orientleader Technology Co.，Ltd | |
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| 中文摘要: |
| 研究在相同的使用工况下，不同的编织层材料和中层胶厚度对液压制动软管疲劳耐久性能的影响。结果表明：液压制动软管在疲劳耐久试验中失效的主要原因是编织线相互摩擦受损，强度无法承受管路内压力；与编织层采用维纶线相比，编织层采用聚酯线时液压制动软管具有更加优异的疲劳耐久性能；随着中层胶厚度的减小，液压制动软管的屈挠疲劳耐久性能下降。 |
| 英文摘要: |
| The influence of different yarn in the braiding layer and middle rubber thickness on fatigue durability of hydraulic brake hose under same working conditions was studied.The results showed that，the main reason for the failure of hydraulic brake hoses in fatigue durability tests was due to the friction and damage of the braided wires，therefore their strength could not withstand the pressure inside the pipeline.The hydraulic brake hose using polyester yarn in the braiding layer had better fatigue durability than the hydranlic brake hose using vinylon yarn.With the decrease of the thickness of the middle rubber，the flex fatigue durability of the hydranlic brake hose decreased. |
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