一种利用PSD测量火炮身管直线度的方法  

A Method for Measuring Straightness of Gun Bore Using PSD

作　　者：张培林[1,2] 孔国杰[1] 傅建平[1] 胡朝根 

机构地区：[1]军械工程学院火炮工程系,河北石家庄050003 [2]南京理工大学机械工程学院,江苏南京210094 [3]炮兵学院远火教研室,安徽合肥230031

出　　处：《中北大学学报（自然科学版）》2011年第2期143-148,共6页Journal of North University of China(Natural Science Edition)

基　　金：国家自然科学基金资助项目(503175157)

摘　　要：利用半导体激光准直光束作为测量参考基准,用位置敏感探测器(Position-Sensitive Detector,PSD)作为接受器件,研制了一套火炮身管直线度自动检测系统.该系统集精密机械技术,激光准直技术,电子技术,计算机技术等多学科为一体,实现了火炮身管直线度的非接触无损自动检测.对系统的结构设计、检测原理及系统软件设计进行了深入的分析,同时给出了直线度误差的评定算法.对122 mm火炮身管进行测量,检测仪重复测量误差小于0.005 mm,综合测量精度控制在0.01 mm以内,取得了较高的测量精度.An automatic system for detecting the straightness of gun barrel was developed,with semiconductor laser collimated beam being used as its measuring reference basis and Position Sensitive Detector（PSD） as sensing device.Non-contact,non-destructive detecting was realized with this automatic system by integrating multiple techniques,such as fine machining,laser alignment,electronics and computers.Structural design,detecting principle and software design were discussed intensively and the evaluation algorithm of straightness error was presented as well.The experiment on 122 mm howitzer′s barrel was conducted.The detector error in repeated measures was less than 0.005 mm,and the integrated measuring error was less than 0.01 mm.Thus high measurement accuracy was reached.

关 键 词：火炮身管 直线度 激光-PSD技术 误差评定 

分 类 号：TJ305[兵器科学与技术—火炮、自动武器与弹药工程]