中国计量大学学报2026，Vol.37Issue(1)：22-31,10.DOI:10.3969/j.issn.2096-2835.2026.01.003
基于超声波的螺栓紧固轴力检测系统设计
Design of an ultrasonic-based bolt tightening axial force detection system
李君 1潘双英 2石文波 2李锐鹏1
作者信息
- 1. 中国计量大学 机电工程学院,浙江 杭州 310018
- 2. 杭州雷恩液压设备制造有限公司,浙江 杭州 311100
- 折叠
摘要
Abstract
Aims:To overcome the low accuracy and calibration model distortion in the axial force measurement of critical bolts in large-scale structures,we designed and implemented an ultrasonic-based detection system for bolt axial force leveraging the acoustoelastic effect.Methods:With the Zynq platform as the core,ultrasonic excitation and processing modules were designed.A large-range hydraulic calibration platform was built to simulate the actual working conditions.This setup was used to calibrate the axial force of M36 bolts.A high-precision calibration model between the transit-time difference and bolt axial force was established.A composite time-of-flight(ToF)determination method was proposed to improve measurement stability and accuracy.The system achieved precise detection of the bolt fastening axial force.Results:Experimental results demonstrated that the system achieved a relative error of less than 2％in axial force detection within the 250～550 kN range.Conclusions:The system achieves high-precision detection of bolt fastening axial force in large-scale structures.It provides a more precise technical solution for monitoring axial force during the bolt installation process.关键词
螺栓轴力/超声检测/声弹性效应/渡越时间/系统标定Key words
bolt axial force/ultrasonic testing/acoustic elastic effect/ToF/system calibration分类
机械制造引用本文复制引用
李君,潘双英,石文波,李锐鹏..基于超声波的螺栓紧固轴力检测系统设计[J].中国计量大学学报,2026,37(1):22-31,10.
