摘要
分析了冲击钻机冲撞的失效形式,推导了冲锤可靠度计算公式,利用该式对湖南、广东一些施工单位冲锤的可靠度进行了计算,其可靠度一般为0.5210~0.8211.
This papaer has analysed the invalidation way of the drill hammer of percussion drill machines,and derived the calculating formula of the hammer's reliability. The reliability degrees range from 0. 521 0 to 0. 821 1.
出处
《中南林学院学报》
CSCD
1997年第3期95-96,共2页
Journal of Central South Forestry University
关键词
冲击钻机
冲锤
设计
可靠度
计算
Drill hammers
Percussion drill machine
reliability
calculation