一种新型恒力限位器的隔冲性能研究.pdf

第20卷第1-2期
船舶力学
Vol20 No1-2
2016年2月
ournal of Ship Mechanics
2016
文章编号:1007-7294(2016)0]-0216-06
一种新型恒力限位器的隔冲性能研究
张春辉,曾凡明,计晨2,张玮2,温肇东2
(1海军工程大学,武汉430033:2海军装备研究院,北京100161)
摘要:针对隔振器和传统的限位器配套使用时会产生二次冲击的问题,基于力的合成法则,设计了一种新型恒
力限位装置,建立了相应的恒力限位隔冲系统模型,分析了限位器安装间隙和恒力值对系统抗冲击性能的影响
并与线性限位隔冲系统、无限位线性隔冲系统的神击响应进行了对比。参数影响分析结果表明对于某一确定的
安装间隙,存在一个最优恒力值使得恒力限位隔冲系统的缀冲系数最小。冲击响应的对比分析表明新型恒力限
位隔冲系统比传统的线性限位隔冲系统和无限位线性隔冲系统具有更好的抗冲击性能
关键词:恒力限位器;隔神性能;安装阿隙;缓冲系数
中图分类号:0322文献标识码:A
doi:10.39695isn.1007-7294.2016.h1.025
Anti-shock performance of novel constant-force
displacement restrictors
ZHANG Chunhui, ZENG Fan-ming, I Chen, ZHANG Wei, WEN Zhao-dong
(1 Naval University of Engineer, Wuhan 430033, China; 2 Naval Academy of Armament, Beijing 100161, China
Abstract: In order to solve secondary impact problem of vibration isolator accompanied with traditional dis
placement restrictor, a novel constant-force displacement restrictors was developed based on force resultant
ule. A shock isolation system with constant- oree displacement restrictors was established. Anti-shock per-
formance of the system was analyzed using the simulation approach for vibrations in assembled clearance
of displacement restrictors and constant-force. Besides, shock response of the system was compared with
shock isolation system for with and without linear displacement restrictors. The parametric influence anal
sis of the constant-force displacement restrictors shows that for a certain assembled clearance, there is an
optimal constant-force value which can make buffer coefficient of the system minimum. The comparative
analysis proves that a shock isolation system with constant-force displacement restrictors provides better
shock isolation performance than a shock isolation system with or without linear displacement restrictors
Key words: constant-force displacement restrictor; anti-shock performance; assembled clearance,
buffer coefficient
0引言
船舶在服役期间不可避免地要遭受各种水下爆炸载荷帯来的冲击,此类冲击,根据其爆炸当量
爆炸方式及爆炸距离的不同,不一定对船体造成毁灭性的损坏,但却会给各种舰载设备带来冲击作用,
收稿日期:2015-09-29
基金项目:973项目(613157010102);十に五预研基金(4010304030202)
作者简介:张春辉(1988-),男,博,E-mail:50277429@ qg-com;曾凡明(1962-),男,教授,博士生导师。
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