高温工况螺栓自松动问题研究  

Research on Self-loosening Problem of Bolts in High Temperature Working Conditions

作　　者：李文博 丁宝平[1] 程鹏[1] 陈艳玲 Li Wenbo;Ding Baoping;Cheng Peng

机构地区：[1]中机生产力促进中心有限公司

出　　处：《工程机械》2023年第10期33-39,I0014,共8页Construction Machinery and Equipment

摘　　要：随着螺栓连接的广泛应用,螺栓应用的环境越来越复杂,高温导致螺栓松动问题不容忽视。结合国内外专家学者研究现状总结高温导致螺栓松动问题的原因,归纳对该问题宏观角度的理论研究,从而分析不同因素对其影响,提出螺栓在高温工况下的防松办法,并展望该问题日后可研究的方向。With the wide application of bolt connection,the environment of bolt application is more and more complicated,and the problem of bolt loosening caused by high temperature shall not be ignored.Based on the status of the domestic and international expert’s and scholar’s research,the causes for bolt loosening in high temperature are summarized,and the theoretical study froma macro perspective on the problem is summarized to analyze the inf luence of different factors.The anti-loosening methods for bolts in the high-temperature working conditions are put forward,and the future research direction of the problem is explored.

关 键 词：螺栓松动 高温 应力松弛 蠕变 

分 类 号：TH131.3[机械工程—机械制造及自动化]