轴向柱塞泵流量脉动对火箭炮俯仰调炮精度的影响分析

doi:10.3969/j.issn.1000-1093.2019.09.003

摘要/Abstract

摘要： 为研究火箭炮电液比例液压系统驱动俯仰调炮时流量脉动对调炮精度的影响，建立基于系统仿真AMESim软件的斜盘式轴向柱塞泵仿真模型，研究柱塞泵斜盘倾角和输入轴转速对柱塞泵流量脉动的影响规律，并辨识典型工况。提出流量脉动体积的概念，建立相应的数学模型，利用MATLAB软件进行仿真分析，得到典型工况下流量脉动引起的调炮误差与射角的定量关系。结果表明：随着斜盘倾角的增大，柱塞泵流量脉动周期不变、流量脉动振幅变大；随着输入轴转速的增大，柱塞泵流量脉动周期变小、流量脉动振幅变大；流量脉动引起的俯仰调炮误差随射角的增大而减小，该火箭炮流量脉动引起的调炮误差满足随动系统调炮精度的要求，且该理论模型可作为油缸式高低机设计的参考依据。

关键词: 火箭炮, 轴向柱塞泵, 俯仰调炮精度, 流量脉动, 液压系统, 油缸式高低机

Abstract: A simulation model of slanting axial piston pump is established by using AMESim software. The proposed model is used to study the influence of flow pulsation of an axial piston pump on the pitching accuracy of electro-hydraulic proportional system for a multiple rocket launcher. The effect laws of the slanting angle of piston pump and the rotating speed of input shaft on the flow pulsation are studied, and a typical working condition is identified. A new concept of flow pulsation volume is defined and used in the new mathematic model proposed in this work. The quantitative relationship of the fire angle and the gun pitching accuracy was obtained and analyzed by using MATLAB software. The results show that the period of flow pulsation remains unchanged with the increase in the slanting angle of piston pump, while its amplitude becomes larger. When the rotating speed of input shaft increases, the period of flow pulsation of piston pump decreases and its amplitude increases. The pitching accuracy caused by flow pulsation becomes smaller with the increase in the fire angle. The pitching accuracy caused by flow pulsation on the multiple rocket launcher meets the requirement for the pitching accuracy of servo system, and the theore-tical model can be taken as a reference for the design of hydraulic elevating mechanism.Key

Key words: multiplerocketlauncher, axialpistonpump, gunpitchingaccuracy, flowpulsation, hydraulicsystem, hydraulicelevatingmechanism

中图分类号:

岳嘉为，代波，吴旭，杨林. 轴向柱塞泵流量脉动对火箭炮俯仰调炮精度的影响分析[J]. 兵工学报, 2019, 40(9): 1781-1786.

YUE Jiawei, DAI Bo, WU Xu, YANG Lin. The Impact of Flow Pulsation of Axial Piston Pump on Gun Pitching Accuracy of a Multiple Rocket Launcher[J]. Acta Armamentarii, 2019, 40(9): 1781-1786.

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第40卷
第9期2019 年9月兵工学报ACTA
ARMAMENTARIIVol.40No.9Sep.2019

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