齿板啮合连接强度影响因素研究

中国机械工程

齿板啮合连接强度影响因素研究

蔡俊杰1，2;徐宗真1，2;刘德峰3;李欣3;刘马宝1，4

1.西安交通大学机械结构强度与振动国家重点实验室，西安，710049
2.西安交通大学航天航空学院，西安，710049
3.中航工业北京长城航空测控技术研究所，北京，101111
4.陕西省先进飞行器服役环境与控制重点实验室，西安，710049

出版日期:2019-06-10 发布日期:2019-06-11
基金资助:
航空科学基金资助项目(63470003）；
陕西省重点研发计划资助项目(2017ZDL-G-4-5)

Study on Impact Factors of Joint Strength for Serrated Plate Connectors

CAI Junjie1,2;XU Zongzhen1,2;LIU Defeng3;LI Xin3;LIU Mabao1,4

1.State Key Laboratory for Strength and Vibration of Mechanical Structures,Xi'an Jiaotong University,Xi'an，710049
2.School of Aerospace,Xi'an Jiaotong University,Xi'an，710049
3.AVIC Beijing Changcheng Aeronautical Measurement and Control Technology Research Institute,Beijing，101111
4.Shaanxi Key Laboratory of Advanced Aircraft Service Environment and Control, Xi'an，710049

Online:2019-06-10 Published:2019-06-11

摘要/Abstract

摘要： 对铝合金齿板啮合连接强度及影响因素进行了实验研究与有限元分析。研究结果表明：当齿数较少时，齿板啮合连接强度随着齿数的增多而近似线性增大，当齿数较多时，随着齿数增加，齿板啮合连接强度增大趋势渐缓；齿板啮合连接强度随着齿高或齿宽的增大而近似线性增大，同时，随着螺栓预紧力的增大，齿板啮合连接强度呈现先增大后减小的趋势，因此，实际工程中需选择合适的螺栓预紧力，以提高结构连接强度。

关键词: 齿板, 连接强度, 齿数, 齿高, 齿宽, 螺栓预紧力

Abstract: The joint strength and the impact factors in terms of the serrated plate connectors were researched through experiments and FEM analyses. The results indicate that for the less amount of teeth, the joint strength increases almost linearly with the rise of the tooth number. However, for the large amount of teeth, the joint strength augments slowly. Besides, the joint strength raises nearly linearly with the increases of tooth heights as well as the tooth widths. With the increasing pretension forces, the joint strength tends towards augmenting initially and then deteriorates, which implies that the proper pretension force should be selected to improve the joint strength in practical engineering.

Key words: serrated plate, joint strength, tooth number, tooth height, tooth width, bolt pretension force

中图分类号:

TB31
V215

蔡俊杰1，2;徐宗真1，2;刘德峰3;李欣3;刘马宝1，4. 齿板啮合连接强度影响因素研究[J]. 中国机械工程.

CAI Junjie1,2;XU Zongzhen1,2;LIU Defeng3;LI Xin3;LIU Mabao1,4. Study on Impact Factors of Joint Strength for Serrated Plate Connectors[J]. China Mechanical Engineering.

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