用于引信隔爆机构的双振子直线超声电机设计 -- 西北工业大学学报,2017,35(3):545-552
论文:2017,Vol:35,Issue(3):545-552
引用本文:
付前卫, 张百亮, 姚志远. 用于引信隔爆机构的双振子直线超声电机设计[J]. 西北工业大学学报
Fu Qianwei, Zhang Bailiang, Yao Zhiyuan. Design of Double-Vibrator Linear Ultrasonic Motor in Fuze Isolating Explosion Mechanism[J]. Northwestern polytechnical university

用于引信隔爆机构的双振子直线超声电机设计
付前卫1, 张百亮2, 姚志远2
1. 北京机电工程研究所, 北京 100074;
2. 南京航空航天大学 机械结构力学及控制国家重点实验室, 江苏 南京 210016
摘要:
研制了一种新型双振子直线超声电机,可用于引信安全系统,实现电机与隔爆机构一体化设计。结合电机工作原理,分析了其在引信安全系统中使用的可行性;通过有限元分析软件(ANSYS)建立电机定子有限元模型,根据模态一致性调节原则设计了电机定子尺寸;定子、夹持采用一体化设计,实现了预压力施加。最后制作样机并开展实验研究。结果表明:定子模态测试结果与仿真结果吻合,工作模态周围无干扰模态;电机单程最大平均速度为358 mm/s;最大输出力为5 N;导爆孔直径为5 mm情况下的隔爆对正时间仅为0.015 s;且能实现引信安全保险机构的安全与待发状态可逆调节,满足引信安全保险机构设计要求。
关键词:    直线超声电机    结构设计    引信隔爆机构    有限元分析   
Design of Double-Vibrator Linear Ultrasonic Motor in Fuze Isolating Explosion Mechanism
Fu Qianwei1, Zhang Bailiang2, Yao Zhiyuan2
1. Beijing Electro-Mechanical Engineering Institute, Beijing 100074, China;
2. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Abstract:
A new type of double-vibrator linear ultrasonic motor is developed, which is used for controlling the safety system of the fuze and realized the integrating design of motor and isolating explosion mechanism. Based on the working principle of the motor, the feasibility of its use in the fuze safety system is analyzed; the finite element model of the stator is established by ANSYS, and the size of the stator is designed according to the principle of modal consistency regulation; pre-pressure is realized by adopting the integrated design of the stator and the clamp; finally, a prototype is made to carry out experimental research, and the results show that the stator modal test results and simulation results are consistent, no interference mode around the working mode; motor one-way maximum average speed is 358 mm/s; the maximum output force to 5 N; burst of positive time is only 0.0145 s; the motor can realize the two state of the fuze safety insurance agencies reversible regulation function.
Key words:    linear ultrasonic motor    structure design    fuze isolating explosion mechanism    finite element analysis   
收稿日期: 2016-10-20     修回日期:
DOI:
基金项目: 国家自然科学基金(51275229)与国家重大仪器设备开发专项基金(2012YQ100225)资助
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作者简介: 付前卫(1992-),北京机电工程研究所助理工程师,主要从事机械总体设计研究。
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