某型通用机枪大杠杆曲线参数优化研究

doi:10.3969/j.issn.1000-1093.2012.06.003

兵工学报 ›› 2012, Vol. 33 ›› Issue (6): 652-657.doi: 10.3969/j.issn.1000-1093.2012.06.003

某型通用机枪大杠杆曲线参数优化研究

王瑞林¹，张本军^1,2，李永建¹，郝刚³

(1.军械工程学院火炮工程系，河北石家庄 050003； 2.北京军事代表局驻5413厂代表室，河北石家庄 050030;3.总装通保部军械器材供应站，北京 100720)

收稿日期:2011-03-10 修回日期:2011-03-10 上线日期:2014-03-04
作者简介:王瑞林（1963—），男，教授，博士生导师

Parameter Optimization of Big-lever Curve of a Dual-purpose Machine Gun

WANG Rui-lin¹, ZHANG Ben-jun^1,2, LI Yong-jian¹, HAO Gang³

(1.Department of Artillery Engineering, Ordnance Engineering College, Shijiazhuang 050003, Hebei, China;2.Delegate Office in 5413 Factory, Beijing Martial Delegate Agency, Shijiazhuang 050030, Hebei, China;3.Equipment Support Station, General Armament Department, Beijing 100720, China)

Received:2011-03-10 Revised:2011-03-10 Online:2014-03-04

摘要/Abstract

摘要： 为解决某型通用机枪首发装填困难的故障，利用线位移传感器进行了首发装填试验，得到了影响首发装填的重要因素，即拨弹滑板在向外和向里2个阶段所受阻力传递到装填拉柄运动方向上的最大值；在大杠杆的两段曲线上各取5个点，利用三次样条曲线对这两条曲线进行拟合，求出了2个最大值与插值点之间的函数关系；分别以这2个最大值为目标函数，以各插值点的Y向坐标为待优化参数，利用遗传算法对大杠杆曲线进行了优化，使得2个目标函数分别减少了47.24%和39.3%，达到了优化的目的。为该枪的改进工作提供指导，所使用的方法为同类型武器的设计和改进提供参考。

关键词: 机械设计, 大杠杆曲线, 参数优化, 遗传算法, 自动武器

Abstract: To solve the problem in first-round loading of a dual-purpose machine gun, the loading test was carried out by using a linear displacement sensor, and the importance factors which affect the first-round loading were revealed, i.e. two maximum values of resistances transferred from feed slide to the loading handle. Five points were taken in two segments of big-lever curve respectively, and the relationship between two maximum values and interpolation points were found out by using cubic spline curve fitting. Taken these two values as objective functions and the Y coordinates of interpolation points as the optimized parameters, the big-lever curves were optimized by using genetic algorithm, and the objective functions were reduced by 47.24% and 39.3%. The method can provide reference for the design and improvement of the similar weapons.

中图分类号:

TJ203^＋.3

王瑞林，张本军，李永建，郝刚. 某型通用机枪大杠杆曲线参数优化研究[J]. 兵工学报, 2012, 33(6): 652-657.

WANG Rui-lin, ZHANG Ben-jun, LI Yong-jian, HAO Gang. Parameter Optimization of Big-lever Curve of a Dual-purpose Machine Gun[J]. Acta Armamentarii, 2012, 33(6): 652-657.

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某型通用机枪大杠杆曲线参数优化研究

Parameter Optimization of Big-lever Curve of a Dual-purpose Machine Gun

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