火炮身管膛线磨损量光学检测方法

A Optical Detection Method Research on Gun Barrel Rifling Abrasion Loss

火炮身管膛线的技术状态直接关系到火炮的射击精度、射击安全和身管寿命。为了提高检测精度和检测效率,提出了一种基于结构光的火炮膛线磨损量检测方法。通过光学检测装置获取身管内膛结构光图像,利用结构光条的变形量计算膛线的实际高度,进而与膛线标准高度比较得到身管内膛径向实际磨损量。该检测方法实现了对身管膛线技术状态的非接触检测,自动化程度高,标定过程简单可靠。经实验验证,该方法能够实现现役各型火炮身管膛线亚像素级的高精度检测,检测误差小于0.01 mm,对于提高火炮制造验收精度和效率,准确预估火炮寿命具有重要的理论意义和实际应用价值。

Barrel rifling technology condition is directly related to the fire accuracy,fire safety and barrel life of the gun.In order to improve the detection accuracy and efficiency of artillery rifle wear,this paper puts forward a kind of detection method based on structured light.Through the optical detection device carried by the pipe climbing device,the structured light image of the barrel bore is obtained.The actual height of the rifle is calculated by the deformation of the structural light strip,and then the actual radial actual wear of the barrel bore is compared with the standard height of the rifle.This method has a high degree of automation,simple and reliable calibration process,which can realize the non-contact detection of the technical state of the barrel rifle,and avoids the two times abrasion caused by the contact of the traditional detection method.Experiments show that this method can achieve high precision detection of rifling sub-pixel serving various types of gun,the detection error is less than 0.01 mm,to improve the accuracy and efficiency of gun manufacture,accurate prediction of gun life has important theoretical significance and practical value.