液压与气动2025，Vol.49Issue(4)：92-100,9.DOI:10.11832/j.issn.1000-4858.2025.04.011
不同拧紧力矩下扩口式航空液压管接头密封特性研究
Research on Sealing Characteristics of Flared Aviation Hydraulic Connector Under Different Tightening Torque
摘要
Abstract
Using ANSYS Workbench as the platform,a three-dimensional finite element model of a flared aviation hydraulic connector with a pipe diameter of 10 mm is established to systematically study the influence mechanism of sealing performance under different tightening torques.The relationship between tightening torque and sealing surface width,average contact stress distribution and maximum contact stress is revealed through calculation and simulation.The validity of the simulation results are verified through pressure test and coloring test.The results show that 37～40 N·m is the optimal assembly torque,which meets the working pressure and sealing performance requirements of the hydraulic system.The methods proposed in this study provide theoretical guidance and technical support for the high-precision assembly of aviation hydraulic system pipeline.关键词
航空液压管接头/有限元/拧紧力矩/密封面宽度/接触应力Key words
aviation hydraulic connector/finite element/tightening torque/sealing surface width/contact stress分类
机械工程引用本文复制引用
田威,孙伶俐,徐小虎..不同拧紧力矩下扩口式航空液压管接头密封特性研究[J].液压与气动,2025,49(4):92-100,9.基金项目
2023年度装备综合研究项目(KJ2022C009141) （KJ2022C009141）
