Failure Analysis of Energy Storage Spring in Automobile Composite Brake Chamber

被引:0
|
作者
Luo Zai [1 ]
Wet Qing [1 ]
Hu Xiaofeng [1 ]
机构
[1] China Jiliang Univ, Hangzhou 310018, Zhejiang, Peoples R China
来源
NINTH INTERNATIONAL SYMPOSIUM ON PRECISION ENGINEERING MEASUREMENTS AND INSTRUMENTATION | 2015年 / 9446卷
关键词
composite brake chamber; parking brake; storage spring; failure model;
D O I
10.1117/12.2084139
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper set energy storage spring of parking brake cavity, part of automobile composite brake chamber, as the research object. And constructed the fault tree model of energy storage spring which caused parking brake failure based on the fault tree analysis method. Next, the parking brake failure model of energy storage spring was established by analyzing the working principle of composite brake chamber. Finally, the data of working load and the push rod stroke measured by comprehensive test-bed valve was used to validate the failure model above. The experimental result shows that the failure model can distinguish whether the energy storage spring is faulted.
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页数:6
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