推力杆球铰仿生表面改进及有限元分析

doi:10.13229/j.cnki.jdxbgxb.20221407

摘要/Abstract

摘要：

将蝗虫足垫的仿生学增摩原理应用于商用车的推力杆球铰橡胶表面，在橡胶球铰表面构建仿生球冠状柔性凸起，增加球铰的刚度。改变仿生柔性凸起的高度、半径、间距，利用Abaqus软件进行有限元分析，对推力杆球铰的径向刚度、偏转刚度和扭转刚度进行研究。结果表明：凸起高度为1 mm，半径为4 mm，间距为10 mm时效果最佳。最后，综合分析了最优方案，并通过模拟和实验验证了该方案的可行性。

关键词: 推力杆球铰, 仿生表面优化, 蝗虫足垫, 有限元分析

Abstract:

The bionic friction-increasing principle of locust foot pad was mainly applied to the rubber surface of the ball hinge of the thrust rod in commercial vehicles， and the bionic spherical crown-like flexible projections are constructed on the rubber ball hinge surface to increase the stiffness of the ball hinge. The height， radius and spacing of the bionic flexible projection were varied， and the radial stiffness， deflection stiffness and torsional stiffness of the thrust rod ball hinge were investigated by finite element analysis using Abaqus software. The results show that the optimum results are obtained for a projection height of 1 mm， radius of 4 mm and spacing of 10 mm. Finally， the optimal solution is analyzed comprehensively， and the feasibility of the solution is verified by simulation and experiment.

Key words: thrust rod ball hinge, bionic surface optimization, locust foot pad, finite element analysis

中图分类号:

TG356

刘化民,杨舒涵,李义,梁策,韩奇钢. 推力杆球铰仿生表面改进及有限元分析[J]. 吉林大学学报(工学版), 2024, 54(9): 2733-2740.

Hua-min LIU,Shu-han YANG,Yi LI,Ce LIANG,Qi-gang Han. Thrust rod ball hinge bionic surface improvement and finite element analysis[J]. Journal of Jilin University(Engineering and Technology Edition), 2024, 54(9): 2733-2740.

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编号	5 Hz			10 Hz			15 Hz			20 Hz
编号	径向	扭转	偏转	径向	扭转	偏转	径向	扭转	偏转	径向	扭转	偏转
1	23.35	14.35	31.55	35.43	13.83	16.64	35.02	12.04	4.84	34.61	9.23	4.10
2	21.32	27.27	36.72	30.10	22.92	20.54	36.41	18.92	8.90	35.47	14.88	8.82
3	18.78	36.22	40.46	33.01	30.43	23.39	37.33	26.78	14.40	38.89	23.07	12.05
4	27.41	51.70	57.75	38.35	45.59	37.48	38.71	43.24	24.48	44.44	37.49	22.74
8	25.89	50.14	57.04	39.81	47.04	37.33	43.32	42.38	24.35	44.02	37.61	21.49
9	27.44	51.27	57.22	37.86	47.69	36.73	43.78	42.63	23.82	44.44	37.18	22.11
10	25.38	52.27	57.93	40.29	46.38	37.18	38.25	43.49	24.21	42.31	37.02	21.86