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工程设计学报
工程设计学报  2018, Vol. 25 Issue (1): 71-78    DOI: 10.3785/j.issn.1006-754X.2018.01.010
保质设计     
基于链环不均匀系数的履带车辆行驶平顺性分析
崔雪斌1, 张宏1, 石涛2
1. 太原科技大学 机械工程学院, 山西 太原 030024;
2. 中国煤炭科工集团太原研究院有限公司, 山西 太原 030006
Ride comfort analysis of tracked vehicle based on nonuniform coefficient of link
CUI Xue-bin1, ZHANG Hong1, SHI Tao2
1. School of Mechanical Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, China;
2. Taiyuan Research Institute Co., Ltd., China Coal Technology and Engineering Group, Taiyuan 030006, China
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摘要：

履带车辆具有接地比压小、通过性能好等优点，但恶劣的工作环境使履带行走装置受到的振动较大，对其行驶平顺性有很大的影响。为此提出一种基于链环不均匀系数的履带车辆行驶平顺性分析方法。首先，通过分析链环不均匀系数的相关理论，得出影响不均匀系数的主要因素是履带链节距和驱动轮的根圆半径。然后，基于RecurDyn动力学软件Track （LM）子系统，分别对不均匀系数为1.043和1.094的履带行走装置建模，并且在硬质地面匀速运动工况下进行动力学仿真，分别从履带板与地面间作用力、履带板与驱动轮间作用力、支重轮与地面间作用力三方面分析讨论不均匀系数对车辆平顺性的影响规律。结果表明，通过减小履带链节距可以减小不均匀系数，且链环不均匀系数为1.043时对车辆行驶的平顺性影响显著大于1.094时的，这为履带车辆的设计研究提供了实际的参考价值。
关键词： 履带行走装置;  动力学仿真;  不均匀系数    
Abstract:

Tracked vehicles have the advantages of less ground pressure, better performance, etc., but the bad working environment makes it more vibrant, which has a great influence on the ride comfort. Therefore, a method for analyzing the ride comfort of tracked vehicles based on nonuniform coefficient of link was proposed. Firstly, by analyzing the correlation theory of the nonuniform coefficient of link, it was concluded that the main factors affecting the nonuniform coefficient were the distance of track link and the radius of the root circle of the driving wheel. Then, based on the RecurDyn dynamics software Track (LM) subsystem, the track walking devices with nonuniform coefficients of 1.043, 1.094 were modeled respectively, and the dynamics simulation was performed under the uniform motion condition of the hard ground, the influence of nonuniform coefficient on vehicle ride comfort was discussed in three aspects, which included the force between the tracked plate and the ground, the force between the tracked plate and the driving wheel, and the force between the supporting wheel and the ground. The results showed that the nonuniform coefficient could be reduced by reducing the distance of track link and the effect of uniformity coefficient of 1.043 on the vehicle ride comfort was significantly greater than that of 1.094. It provides practical reference value for the design and research of tracked vehicles.
Key words: track walking device    dynamics simulation    nonuniform coefficient
收稿日期: 2017-09-05 出版日期: 2018-02-28
CLC:  TH113.2  
基金资助:

山西省自然科学基金资助项目（201701D121069）；山西省煤基重点科技攻关项目（MJ2014-03）；太原科技大学博士科研启动基金资助项目（20142029）
通讯作者: 张宏(1970-),男,山西太原人,教授,博士,从事矿机设备研发、检测与故障诊断研究,E-mail:hexie007@163.com     E-mail: hexie007@163.com
作者简介: 崔雪斌(1991-),男,山西忻州人,硕士生,从事履带车辆动力学研究,E-mail:cuiyh_m@163.com,http://orcid.org/0000-0002-5496-3553
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引用本文:

崔雪斌, 张宏, 石涛. 基于链环不均匀系数的履带车辆行驶平顺性分析[J]. 工程设计学报, 2018, 25(1): 71-78.

CUI Xue-bin, ZHANG Hong, SHI Tao. Ride comfort analysis of tracked vehicle based on nonuniform coefficient of link. Chinese Journal of Engineering Design, 2018, 25(1): 71-78.

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https://www.zjujournals.com/gcsjxb/CN/10.3785/j.issn.1006-754X.2018.01.010    或    https://www.zjujournals.com/gcsjxb/CN/Y2018/V25/I1/71

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