[1]张 超１,侯炳坤１,李 帅１,等.某型号轨道牵引车悬挂系统隔振性能优化[J].湖北工业大学学报,2024,39(4):18-23.
　ZHANG Chao,HOU Bingkun,LI Shuai,et al.Optimization of Vibration Isolation of SuspensionSystem for A Certain Type of Tractor[J].,2024,39(4):18-23.
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某型号轨道牵引车悬挂系统隔振性能优化()
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《湖北工业大学学报》[ISSN:1003-4684/CN:42-1752/Z]

卷:
39
期数:
2024年第4期
页码:
18-23
栏目:
出版日期:
2024-08-28

文章信息/Info

Title:
Optimization of Vibration Isolation of SuspensionSystem for A Certain Type of Tractor
文章编号:
１００３－４６８４(２０２４)０４-００１８-０６
作者:
张 超１; 侯炳坤１; 李 帅１; 万 雳２; 周明刚１
１ 湖北工业大学农业机械工程研究设计院,湖北 武汉 ４３００６８; ２ 湖北时瑞达重型工程机械有限公司,湖北 襄阳 ４４１１１６
Author(s):
ZHANG Chao1;  HOU Bingkun1;  LI Shuai1;  WAN Li2;  ZHOU Minggang1
1 Hubei Agricultural Machinery Engineering Research And Design Institute，Hubei univ. of Tech., Wuhan 430068, China;2 Hubei Srida Heavy duty Engin. Machinery Company Limited, Xiangyang 441116,China
关键词:
动力牵引车; 四端参数; 悬挂系统; 参数优化; 隔振传递率
Keywords:
railroad tractor;  fourpole parameter analysis method;  suspension system;  parameter optimization;  transmissibility of vibration isolation
分类号:
U２６０.１１
文献标志码:
A
摘要:
为提高动力牵引车行驶的稳定性,采用四端参数法推导了车辆系统隔振传递率计算公式,并以隔振传递 率峰值最小为目标,对悬挂系统阻尼系数、弹簧刚度等结构参数进行了优化分析.另外,基于 Simpack建立了该车 的多体动力学模型,以列车垂向振动响应均方根值的最小值为优化目标,计算得到车辆系统的一系悬挂参数最优 值.结果表明:阻尼值理论计算和仿真结果之间最优值误差几乎为零,弹簧刚度误差为３．４％,验证了基于四端参 数法对该车一系悬挂参数优化理论模型的准确性.此外,当扰频比在０．５以内时,阻尼系数对车辆垂向振动响应的 贡献较大;随着一系悬挂系统中减振器阻尼值的增大,车辆系统隔振传递率先减少后增大,弹簧刚度对其影响与之 类似.
Abstract:
In order to improve the stability of railroad tractor, a formula for calculating the vibration isolation transmission rate of the vehicle system was derived using the fourpole parameter analysis method. With the goal of minimizing the peak value of the vibration isolation transmission rate, optimization analysis was conducted on structural parameters such as the damping coefficient and spring stiffness of the suspension system. In addition, with the minimum root mean square value of the vertical vibration response of the tractor as the optimization objective, and the optimal values of the primary suspension parameters of the vehicle system were calculated, a multibody dynamic model of the tractor was established based on Simpack. The results show that the optimal value error between the theoretical calculation of damping value and the simulation results is almost zero, and the spring stiffness error is 3.4%, which verifies the accuracy of the theoretical model for optimizing the primary suspension parameters of the tractor based on the fourpole parameter analysis method. In addition, when the disturbance frequency ratio is within 0.5, the damping coefficient has a significant contribution to the vertical vibration response of the tractor; As the damping value of the shock absorber in the primary suspension system increases, the isolation transmission of the tractor system first decreases and then increases, and the impact of spring stiffness on it is similar.

参考文献/References:

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备注/Memo

备注/Memo:
［收稿日期］ 20230329〖HT6H〗［基金项目］ 〖HT6SS〗湖北工业大学横向课题“长轨运输车设计计算”（2021746）［第一作者］ 张超（1984-）， 男， 河南驻马店人， 工学博士， 湖北工业大学讲师， 研究方向为农机动力学、 振动与噪声控制。
更新日期/Last Update: 2024-08-23