大载荷高g值气动垂直冲击试验台设计

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• 英文论文题名：Design of Pneumatic Vertical Shock Test Rig for Heavy Load and High-g Shock
• 论文作者：段正勇 ; 胥小强 ; 沈雪琪 ; 张伟 ; 吴国雄
• 英文论文作者：DUAN Zheng-yong ; XU Xiao-qiang ; SHEN Xue-qi ; ZHANG Wei ; WU Guo-xiong ; Beijing University of Technology ; Suzhou Dongling Vibration Test Instrument Co. ; Ltd ; Nanyang Institute of Technology
• 年：2016
• 作者机构：北京工业大学;苏州东菱振动试验仪器有限公司;南阳理工学院;
• 论文关键词：高加速度 ; 冲击试验 ; 空气炮
• 英文论文关键词：high acceleration ; shock test ; air cannon
• 会议召开时间：2016-07-28
• 会议录名称：第二十七届全国振动与噪声应用学术会议论文集
• 语种：中文
• 分类号：TH87
• 学会代码：ZDZD
• 会议名称：第二十七届全国振动与噪声应用学术会议
• 会议地点：中国黑龙江哈尔滨
• 主办单位：中国振动工程学会振动与噪声控制专业委员会
• 学会名称：中国振动工程学会振动与噪声控制专业委员会
• 页数：5
• 文件大小：567k
• 原文格式：D
• 会议级别：全国

摘要

针对冲击力学环境试验技术需求,对一种大载荷高g值气动垂直试验台进行了研究。根据主要技术指标及功能分析,提出了基于空气炮驱动的总体结构方案,介绍了试验台的机械结构、关键零部件设计及测控系统。试验台的所有动作均为气动方式,节能环保,结构简单紧凑,加工、使用及维护成本低。具有集测量、控制、采集、分析等功能于一体的操作软件和统一的人机交互界面,使用灵活方便。在空气炮压力为0.5MPa和0.65MPa时,样机空载测试的冲击加速度分别为1990g(脉宽1.26ms)和4429g(脉宽1.20ms),能为高g冲击试验提供有效的技术手段。
Facing the condition which the increasing need for test technology of impact dynamics, we make research on a pneumatic vertical shock test rig with large payload and high g value. Based on the key specifications and function analysis, we come up with the overall structure scheme driven by an air cannon, introduce the test rig on the mechanical conformation, design of some critical components and measuring &control system. Due to all mechanical movements are pneumatically activated,the test rig has lots of advantages such as simple and compact structure, low cost of manufacture, usage and maintaining, energy saving and environment friendly. At the same time,there is a unified human-computer interaction interface and a smart operating software integrated with measurement, control, data acquisition and analysis, that is flexible and easy to operated by engineer. For no payload tests, the prototype exhibits an encouraging results that the shock acceleration is 1990g(pulse duration 1.26ms) when the air cannon works with a pressure of 0.5MPa, and for 0.6MPa, the shock acceleration is 4429g(pulse duration 1.20ms). This is really strong technical support for high g level shock test.

引文

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