摘要
通过对定洲电厂运煤机拨车臂拨钩拉杆的结构、断口形貌、材质的分析,以及相应的金相检验和机械性能试验,找出拨车臂拨钩拉杆断裂的原因,提出改进意见,保证拨车机构的安全可靠运行。
Through the analysis on the structure, the fracture aspect and the chemical composition unloader trailer boom rod bolt, and metallographic examination and mechanical performance test, the of rod-bolt cracking is found, and improvement proposition is presented. of coal reason
出处
《华北电力技术》
CAS
2006年第6期53-54,共2页
North China Electric Power
关键词
拨车臂
拉杆螺栓
断口分析
疲劳断裂
应力集中
trailer boom
rod-bolt
fracture analysis
fatigue fracture
stress concentrating
