球铰强度对小偏置碰撞的影响及仿真精度提升

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主题词：汽车安全球铰强度小偏置碰撞 仿真精度中图分类号： U467.1+4 文献标志码：A DOI：10.19620/j.cnki.1000-3703.20240817

The Influence of Ball Hinge Strength on Small Offset Collision and the Improvement of Simulation Accuracy

Shao Jinhua'，Zhao Meizhou¹，ChenPeng²，YuHuili² （1.Schoolof Vehicle Enginering，Chongqing Universityof Technology，Chongqing 40oo54; 2.Chongqing Changan Automobile Company Limited， Chongqing 400023）

【Abstract】Inorder to explore the influenceofball hinge strength onsmallofset collision in chasis structureand improve the acuracyof simulation modelin practical engineeringapplication，testand simulationare adopted toobtain the correspondingmaterialmechanicalparameters throughthematerialrealtestofkeycomponentsofchassisandthebalhead failuretest，andtheballhingestrengthatkeypositionsisdesigned.Alocaltrolleyisbuilttocalibratethechassispartsto improvethesimulationaccuracyof theanalysis model.Theresultsshow thatthestrengthof theball hinge hasagreat influenceonthesmallofsetcolisioncondition，andthemodelanalysisresultsaftercalibrationareingoodagreementwith the test.

Key words： Vehicle safety，Ball hinge strength，Small offset collision，Simulation precision 【引用格式】邵金华，赵美洲，陈鹏，等.球铰强度对小偏置碰撞的影响及仿真精度提升[J].汽车技术，2025（8）：34-40. SHAOJH，ZHAOMZ，CHENP，etal.TheInfluenceofBallHinge StrengthonSmallOffsetCollsionandtheImprovement ofSimulationAccuracy[J].Automobile Technology，2025（8）：34-40.

1前言

据公安部统计，2024年，我国汽车保有量高达4.53亿辆，随着汽车保有量不断增高，汽车安全事故频频发生。（剩余8203字）