超深水打桩锤系统的可靠性分析与分配研究
李江昊,肖文生,于文太,王鸿雁,刘顺庆,孙友福

Reliability analysis and allocation research of ultra-deep water pile hammer system
Jianghao LI,Wensheng XIAO,Wentai YU,Hongyan WANG,Shunqing LIU,Youfu SUN
表3 超深水打桩锤系统零部件危害度分析结果(部分)
Table 3 Criticality analysis results of components of ultra-deep water pile hammer system(part)
零部件故障模式λp/10-6h-1αi /%sit/hCp
电液换向阀泄漏(液体)0.030.74343 8000.481 500 089
不能满足工作需求0.5814.293
打开/锁紧失效0.030.743
高/低输出3.3081.284
堵塞0.122.964
其他液压阀组异常磨损0.206.83343 8000.236 231 488
不能按需关闭0.144.783
不能满足工作需求2.2777.473
打开/锁紧失效0.103.412
堵塞0.227.513
液压缸油管变形0.164.36270 0800.201 032 214
拉缸1.1531.343
导向套锈蚀0.154.092
活塞杆不能动作0.174.633
缓冲装置故障0.8723.713
外泄漏1.1731.883