某输弹机开式链传动建模及动力学特性分析

doi:10.3969/j.issn.1000-1093.2018.11.004

兵工学报 ›› 2018, Vol. 39 ›› Issue (11): 2109-2117.doi: 10.3969/j.issn.1000-1093.2018.11.004

某输弹机开式链传动建模及动力学特性分析

刘太素，钱林方，陈光宋，吉磊

(南京理工大学机械工程学院，江苏南京 210094)

收稿日期:2018-02-22 修回日期:2018-02-22 上线日期:2018-12-25
作者简介:刘太素（1990—），男，博士研究生。 E-mail: ltsnjust@163.com
基金资助:
国家自然科学基金项目（11472137）；江苏省自然科学基金项目（BK20140773）

Dynamics Modeling and Analysis of Open Chain Drive Transmission for a Ramming Mechanism

LIU Tai-su, QIAN Lin-fang, CHEN Guang-song, JI Lei

(School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China)

Received:2018-02-22 Revised:2018-02-22 Online:2018-12-25

摘要/Abstract

摘要： 为分析某输弹机开式链传动机构在工作过程中的运动学精度和动力学特性，描述了滚轮与链轮齿槽之间的几何关系和接触模式以及链节之间的接触。针对不同的接触位置和接触模式分别建立了法向接触力模型和平面接触力模型，建立了某输弹机开式链传动机构多刚体动力学模型。分析了不同滚轮与链轮齿槽之间的接触特性，讨论了滚轮与链轮齿槽之间间隙变化对系统运动学精度及动力学特性的影响。研究结果表明：滚轮与链轮齿槽之间间隙的存在及大小变化对某输弹机开式链传动机构动力学特性具有很大影响，在工程实际中需要合理控制间隙。

关键词: 输弹机, 开式链传动, 接触, 动力学分析

Abstract: In order to analyze the kinematic accuracy and dynamic characteristics of open chain drive transmission for a ramming mechanism, the geometrical relationship and contact modes of roller and sprocket as well as the contact between chain links are described in detail, and then the normal contact force model and the plane contact force model are established for different contact modes. An accurate dynamic model of open chain drive transmission mechanism is established. The characteristics of contact between roller and sprocket are analyzed, and the effect of the change in clearance between roller and sprocket on kinematic accuracy and the dynamic characteristics is discussed. The results show that the clearance between roller and sprocket has great influence on the dynamic characteristics of open chain drive transmission mechanism of the ramming mechanism. The clearance between roller and sprocket should be controlled in reason during the engineering. Key

Key words: rammingmechanism, openchaindrivetransmission, contact, dynamicsanalysis

中图分类号:

TJ302

刘太素，钱林方，陈光宋，吉磊. 某输弹机开式链传动建模及动力学特性分析[J]. 兵工学报, 2018, 39(11): 2109-2117.

LIU Tai-su, QIAN Lin-fang, CHEN Guang-song, JI Lei. Dynamics Modeling and Analysis of Open Chain Drive Transmission for a Ramming Mechanism[J]. Acta Armamentarii, 2018, 39(11): 2109-2117.

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某输弹机开式链传动建模及动力学特性分析

Dynamics Modeling and Analysis of Open Chain Drive Transmission for a Ramming Mechanism

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