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湖南科技大学 机电工程学院,湘潭 411201
陈立锋,男,1977年生,湖南新邵人,博士,副教授,硕士研究生导师;主要研究方向为机械传动、汽车系统动力学、智能汽车;hnustchen@163.com。
收稿:2024-09-13,
修回:2024-11-23,
纸质出版:2026-01-15
移动端阅览
陈立锋,张俊博,肖钊. 低速重载输送链传动系统动力学建模及特性研究[J]. 机械传动,2026,50(1):87-91.
CHEN Lifeng,ZHANG Junbo,XIAO Zhao. Dynamic modeling and characteristics research of low-speed and heavy-duty conveyor chain transmission systems[J]. Journal of Mechanical Transmission,2026,50(1):87-91.
陈立锋,张俊博,肖钊. 低速重载输送链传动系统动力学建模及特性研究[J]. 机械传动,2026,50(1):87-91. DOI: 10.16578/j.issn.1004.2539.2026.01.011.
CHEN Lifeng,ZHANG Junbo,XIAO Zhao. Dynamic modeling and characteristics research of low-speed and heavy-duty conveyor chain transmission systems[J]. Journal of Mechanical Transmission,2026,50(1):87-91. DOI: 10.16578/j.issn.1004.2539.2026.01.011.
目的
2
针对低速重载输送链传动存在的爬行现象及运动平稳性差的问题,基于多刚体动力学理论,建立了低速重载输送链传动动力学模型,开展了动力学特性研究,为提高低速重载输送链传动系统的平稳性提供参考。
方法
2
考虑低速重载输送链传动系统的结构特点及输送载荷的影响,利用胡克定律模拟输送链节点的力学特性,构建了输送链107自由度动力学模型;采用模态叠加法对动力学模型进行求解,得到了低速重载输送链的动力学特性,研究了输送链的松边悬垂度和紧边摩擦力对传动速度变化的影响规律。
结果
2
结果表明,降低松边悬垂度、减小链条与导轨间的摩擦因数,可有效减少输送链传动爬行现象的产生,提高输送链传动系统的运动平稳性。
Objective
2
To address the issues of crawling and poor motion stability in low-speed and heavy-duty conveyor chain transmissions
a dynamic model of the above conveyor chain transmissions was established based on multi-body dynamic theory
and the research on dynamic characteristics was carried out
aiming to provide guidance for enhancing the stability of such conveyor chain transmission systems.
Methods
2
By considering the structural characteristics of low-speed and heavy-duty conveyor chain transmission systems and the effects of conveying loads
the mechanical properties of the conveyor chain nodes were simulated using Hooke’s law
and a dynamic model with 107 degrees of freedom of the conveyor chain was constructed. The modal superposition method was adopted to solve the dynamic model
the dynamic characteristics of the low-speed and heavy-load conveyor chain were obtained
and the influence laws of the slack side sag and the tight side friction force of the conveyor chain on the transmission speed variation were studied.
Results
2
The results show that reducing the slack side sag and decreasing the friction coefficient between the conveyor and the guide rail can effectively reduce the occurrence of the crawling phenomenon in conveyor chain transmission and improve the motion stability of the conveyor chain transmission systems.
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