螺栓横向剪力的超声检测
Ultrasonic testing of transverse shear force in bolt
摘 要
介绍了螺栓轴向应力检测的原理,设计了一种受剪夹具,采用超声检测法研究了在不同扭矩下剪力和时延的线性关系。结果表明,在不同扭矩下,剪力与时延呈线性关系,但斜率不一样,可为超声波法测量螺栓剪力提供依据。
剪力
轴向应力
压电晶片
螺栓
ultrasonic time delay
shear stress
axial stress
piezoelectric wafer
bolt
Abstract
The principle of bolt axial stress detection is introduced, a shear fixture is designed, and the linear relationship between shear force and time delay under different torques is studied by ultrasonic detection method. The results show that there is a linear relationship between shear and time delay under different torques, but the slope is different, which can provide a basis for measuring bolt shear stress by ultrasonic method.
中图分类号 TG115.28 DOI 10.11973/wsjc202203008
所属栏目 试验与研究
基金项目 成都市国际合作基金资助项目(2020-GH02-00058-HZ)
收稿日期 2021/9/22
修改稿日期
网络出版日期
作者单位点击查看
备注向鹏宇(1997-),男,硕士研究生,主要研究方向为超声无损检测
引用该论文: XIANG Pengyu,CHEN Bing,QIU Feifei,ZHU Zhongyin,GOU Guoqing. Ultrasonic testing of transverse shear force in bolt[J]. Nondestructive Testing, 2022, 44(3): 36～39
向鹏宇,陈兵,邱菲菲,朱忠尹,苟国庆. 螺栓横向剪力的超声检测[J]. 无损检测, 2022, 44(3): 36～39
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参考文献
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【3】WANG Z X,WANG Y Q,ZHANG Y,et al.Experimental investigation and design of extruded aluminium alloy T-stubs connected by swage-locking pins[J].Engineering Structures,2019,200:109675.
【4】DING X,WU X J,WANG Y G.Bolt axial stress measurement based on a mode-converted ultrasound method using an electromagnetic acoustic transducer[J].Ultrasonics,2014,54(3):914-920.
【5】王斌,陈才龙,陆现波.水电站螺栓紧固状态在线监测系统的安装技术分析[J].工程建设与设计,2019(20):253-255.
【6】李辰,朱勇军,侯兆欣.钢结构高强度螺栓连接紧固原理分析及螺母转角法的试验研究[J].建筑结构,2013,43(增刊1):448-452.
【7】何存富,吴克成.扭转剪力对螺栓紧固应力声弹性测量的影响研究[J].固体力学学报,1992,13(4):337-342.
【8】朱士明,江泽涛,卢杰,等.声时差法测定螺栓的预紧应力[J].声学技术,1995,14(4):181-186.
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