串联式仿生复合悬架系统动力学特性研究  

Study on dynamic characteristics of a tandem bionic composite suspension system

作　　者：李占龙[1] 周俊贤 张正 高山铁 刘志奇[1] 墨海波 郝鹏祥 LI Zhanlong;ZHOU Junxian;ZHANG Zheng;GAO Shantie;LIU Zhiqi;MO Haibo;HAO Pengxiang(School of Vehicle and Transportation Engineering,Taiyuan University of Science and Technology,Taiyuan 030024,China;Guizhou Jonyang Kinetics Co.,Ltd.,Guiyang 550006,China)

机构地区：[1]太原科技大学车辆与交通工程学院,太原030024 [2]贵州詹阳动力重工有限公司,贵阳550006

出　　处：《振动与冲击》2025年第8期42-48,100,共8页Journal of Vibration and Shock

基　　金：国家自然科学基金(52272401);山西省基础研究计划项目(202203021211185);贵州省科技计划项目-科技创新人才团队(黔科合平台人才-CXTD[2022]015);山西省高等学校中青年拔尖创新人才支持计划(2024Q027)。

摘　　要：针对高速-重载履带式全地形车悬架减振性能提高的问题,将扭杆弹簧与仿生“Z”字形缓冲结构结合,设计了一种结构紧凑、抗冲击能力强的串联式仿生复合悬架系统。以单个悬架系统作为研究对象,进行仿真建模和动力学特性仿真分析,研究表明,串联式仿生复合悬架系统静、动态特性参数值均在合理的范围内。在相同路面等级下,随着车速增加,串联式仿生复合悬架系统车身垂向加速度均方根和悬架动挠度均方根的相对增长率均有降低;随着路面等级和车速的增加,串联式仿生复合悬架系统车身垂向加速度传递率(1.7%~2.4%)的数值呈下降趋势;串联式仿生复合悬架在2~3 Hz出现共振峰,避开了人体的敏感频率段(4~8 Hz),表现出良好的频率响应特性,符合悬架设计要求。该系统的提出也为高速-重载履带式全地形车悬架提升减振性能提供了新的思路。In order to improve the vibration damping performance of the suspension of high-speed and heavy-duty track all-terrain vehicle,a series bionic composite suspension system with compact structure and strong impact resistance was designed by combining torsion bar spring and bionic“Z”shape buffer structure.Taking a single suspension system as the research object,theoretical modeling and dynamic simulation analysis were carried out.The research shows that the static and dynamic parameters of the tandem bionic composite suspension system are within a reasonable range.Under the same road grade,the relative growth rates of root mean square of vertical acceleration and root mean square of dynamic deflection of tandem bionic composite suspension system decrease when increasing vehicle speed.As the road surface quality and vehicle speed increase,the value of the vertical acceleration transfer rate(1.7%-2.4%)of the tandem bionic composite suspension system for the vehicle body shows a downward trend;the tandem bionic composite suspension system shows a resonance peak during 2-3 Hz range,avoiding the human body’s sensitive frequency range(4-8 Hz),thus demonstrating excellent frequency response characteristics that meet suspension design requirements.The introduction of this system also provides new insights for enhancing the vibration damping performance of high-speed,heavy-duty tracked all-terrain vehicle suspensions.

关 键 词：高速-重载 履带式 仿生学 悬架 串联式 动力学 

分 类 号：TH122[机械工程—机械设计及理论] TJ812[兵器科学与技术—武器系统与运用工程]