螺栓双剪试验有限元分析  

Finite Element Analysis of Bolt Double Shear Test

作　　者：李艳[1] 冯德荣 李召华 Li Yan;Feng Derong;Li Zhaohua

机构地区：[1]空军工程大学航空机务士官学校航空修理工程系,河南信阳464000 [2]河南航天精工制造有限公司,河南信阳464000

出　　处：《机械制造》2021年第2期75-78,共4页Machinery

摘　　要：剪切强度是判断螺栓能否应用于实际工程的重要力学性能指标。为使新设计的螺栓满足所规定的剪切强度要求,需要对螺栓进行双剪试验。应用有限元软件建立螺栓和上下刀片的三维有限元模型,分析螺栓双剪试验过程中的应力、应变变化,得到螺栓剪断时的剪切力变化趋势。将有限元分析数据与试验数据进行对比,验证有限元分析结果的可靠性。Shear strength is an important mechanical performance index to judge whether the bolt can be applied to the practical engineering.In order to make the newly designed bolt meets the specified shear strength requirements,the bolt needs to be subjected to a double shear test.The finite element software was used to establish the 3D finite element model of the bolt and the upper and lower blades,and the stress and strain changes during the bolt double shear test were analyzed,and the changing trend of shear force when the bolt was sheared was obtained.The finite element analysis data was compared with the test data to verify the reliability of the results obtained by finite element analysis.

关 键 词：螺栓 双剪试验 有限元分析 

分 类 号：TH114[机械工程—机械设计及理论]