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该文重点讨论了前支架对炮口振动水平的影响以及前支架设计的改进。首先采用有限元法,计算了火炮工作过程中结构的瞬态响应,得到了炮口的振动特性曲线;其次,通过参数分析,明确了对发射精度可能产生影响的火炮结构参数及其对炮口振动的影响。研究表明,前支点的位置及前支架的刚度对炮口振动有显著影响。以炮口最大振幅最小为目标,以支架构件尺寸和前支点位置等为设计参数,获得了合适的前置点位置和前支架构件尺寸,新设计的振动幅值显著降低。
This article focuses on the impact of the front support on the muzzle vibration level and the improvement of the front support design. Firstly, the finite element method is used to calculate the transient response of the structure during the working process of the artillery gun. The vibration characteristic curve of the muzzle is obtained. Secondly, the parameters of the artillery structure which have an impact on the launch accuracy are clarified, Vibration effects. Studies have shown that the location of the front fulcrum and the rigidity of the front bracket have a significant impact on the muzzle vibration. Taking the minimum amplitude of muzzle as the target, taking the dimensions of support member and the position of the front fulcrum as the design parameters, the suitable pre-position and the size of the front support member were obtained. The vibration amplitude of the new design was significantly reduced.