脉冲力校准中锤体质量块结构设计与受力方式对校准结果的影响分析  

Effect of Structural Design and Load Mode of Hammer Mass on Calibration Result in Impulse Force Calibration

作　　者：何旋[1] 贺丽 曹亦庆[1] 李善明[1] 商一奇[1] 赵巍宇 HE Xuan;HE Li;CAO Yiqing;LI Shanming;SHANG Yiqi;ZHAO Weiyu(Changcheng Institute of Metrology&Measurement,Beijing 100095,China;Beijing Institute of Radio Metrology&Measurements,Beijing 100039,China)

机构地区：[1]航空工业北京长城计量测试技术研究所,北京100095 [2]北京无线电计量测试研究所,北京100039

出　　处：《计测技术》2019年第5期59-64,共6页Metrology & Measurement Technology

摘　　要：在脉冲力校准中,锤体质量块的力学性能会对校准结果产生较大影响。本文采用有限元手段,对锤体质量块的结构设计方案和受力方式进行分析,得出锤体质量块动态特性的影响因素,总结脉冲力校准中锤体质量块设计和使用时应遵循的规律,为动态冲击计量标准装置的研建提供借鉴。The mechanical properties of hammer mass have a great impact on the result of impulse force calibration.In this paper,the fi-nite element method is used to analyze the structural design and load mode of the hammer mass,and the influence of the above factors on the dy-namic characteristics of hammer mass is obtained.The rules that should be followed in hammer mass design and use in impulse force calibration are summarized.

关 键 词：脉冲力 加速度 有限元 锤体质量块 长径比 

分 类 号：TB9[一般工业技术—计量学]