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含非线性接触碰撞的大口径舰炮弹链柔性铰多体模型

DOI: doi:10.3969/j.issn.1007-7043.2011.09.021

Keywords: 大口径舰炮, 弹链, 炮弹晃动, 柔性铰, 非线性接触碰撞??

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Abstract:

针对某型大口径舰炮在供弹过程中因炮弹晃动过大引起的扬弹机卡弹问题,建立了含非线性接触碰撞、摩擦的弹链柔性铰多体动力学模型,采用递推的方法得到弹链的运动学和动力学方程,给出了柔性铰刚度系数、接触刚度系数分别按材料和接触表面特征计算的方法.在不同材料的弹筒以及不同片弹簧刚度系数下的计算结果表明,钢制弹筒比铝制弹筒能更好地限制炮弹晃动,增大片弹簧刚度系数可以减小炮弹晃动,但增加到某一数值后作用并不明显.研究为减小炮弹的晃动、提高某型大口径舰炮链式供弹平台供弹可靠性和安全性提供了理论依据.

References

[1]  姜铁牛. 30 mm自动炮弹链供弹特性匹配[D]. 南京: 南京理工大学, 2007:1-3.? JIANG Tieniu. The matching problem on the feeding characteristic of 30mm automatic gun[D]. Nanjing: Journal of Nanjing University of Science and Technology, 2007:1-3.
[2]  章定国. 航炮弹链中的碰撞动力学[J]. 南京理工大学学报, 1995,19(3):210-213.? ZHANG Dingguo. The impact dynamics in the system of bullet chain of airplane gun[J]. Journal of Nanjing University of Science and Technology, 1995,19(3): 210-213.?
[3]  SHABANA A A. Computational dynamics [M].2nd ed. New York: Wiley Interscience Publication, 2001: 443-456.?
[4]  XU Lixin, YANG Yuhu, CHANG Zongyu, et al. Dynamic modeling of a roller chain drive system considering the flexibility of input shaft[J]. Chinese Journal of Mechanical Engineering, 2010, 23(3):367-374.?
[5]  XU Lixin, YANG Yuhu, CHANG Zongyu, et al. Clearance influence on dynamic response of intermittent roller chain drive[J]. Chinese Journal of Mechanical Engineering, 2010, 23(6):699-708.?
[6]  刘才山, 陈滨. 多柔体系统碰撞动力学研究综述[J]. 力学进展, 2000,30(1):7-14.? LIU Caishan, CHEN Bin. A global review for the impact dynamic research of flexible multibody systems[J]. Advances in Mechanics, 2000,30(1):7-14.?
[7]  HUNT K H, CROSSLEY F R E. Coefficient of restitution interpreted as damping in vibroimpact[J]. Journal of Applied Mechanics, 1975,42(2):440-445.?
[8]  LANKARANI H M, NIKRAVESH P E. A contact force model with hysteresis damping for impact analysis of multibody systems[J]. Journal of Mechanic Design, 1990,112(3): 369-376.?
[9]  HU Shenghai, GUO Bin, DENG Kunxiu, et al. An efficient contact analysis for roller chain[C]// 2011 International Conference on Mechatronics and Intelligent Materials. Zurich: Trans Tech Publications, 2011: 290-294.?
[10]  盛秋峰, 洪嘉振, 刘铸永, 等. 含接触碰撞的变拓扑系统动力学仿真[J]. 上海交通大学学报, 2008,42(8): 1222-1237.? SHENG Qiufeng, HONG Jiazhen, LIU Zhuyong, et al. Dynamic simulation of multibody system with variable topology[J]. Journal of Shanghai Jiao Tong University, 2008,42(8):1222-1237.?
[11]  刘丽兰, 刘宏昭, 吴子英, 等. 机械系统中摩擦模型的研究进展[J]. 力学进展, 2008,39(2):201-213.? LIU Lilan, LIU Hongzhao, WU Ziying,et al. An overview of friction models in mechanical systems [J]. Advances in Mechanics, 2008,39(2):201-213. ?

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