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1 问题的提出 供弹具是枪械上的重要部件,它在枪上的安装方式关系到枪械外形尺寸的大小,影响到枪械的人机工效。现代自动枪械采用“无托”结构的较多,其显著特点之一就是全枪缩短,握把与扳机移至供弹具之前,这样,用大容量弹匣太长,操枪不便;用弹鼓,按通常的安装方式妨碍握持握把;用弹链,又增加结构的复杂性。经研究,我们认为改变弹鼓在枪上的安装方向,上述诸多矛盾就可解决。基于这样的想法,我们在保留WO113机枪弹鼓容弹量大、装弹迅速、使用可靠等优点的基础上设计了转向弹鼓。
1 PROBLEM PROBLEMS Ammunition is an important component of firearms. The way it is mounted on a gun relates to the size of the firearm, affecting the ergonomics of the firearm. Modern automatic firearms with “no care” structure is more, one of the salient features is the whole gun shortened, the handle and the trigger moved before the ammunition, so that the use of large-capacity magazine is too long, the gun inconvenience; bomb Drums, obstructing the grip according to the usual way of mounting; with the chains, adding to the complexity of the structure. After the study, we think that to change the installation direction of the drum on the gun, the above contradictions can be solved. Based on this idea, we designed the steering drum on the basis of retaining the large volume of WO113 guns and bullets, quick loading, and reliable use.