基于CCD成像的油管螺纹参数自动化检测技术  

Automatic Detection Technology of Tubing Thread Parameters Based on CCD Imaging

作　　者：张瑾 范路 胥成亮 郭志永 高雷雷[3] Zhang Jin;Fan Lu;Xu Chengliang;Guo Zhiyong;Gao Leilei(Technical Testing Center of Sinopec Shengli Oil Fields Branch,Dongying,Shandong 257000,China;不详;College of Mechanical and Electrical Engineering,China University of Petroleum,Qingdao,Shandong 266500,China)

机构地区：[1]中国石油化工股份有限公司胜利油田分公司技术检测中心,山东省东营市257000 [2]中国石油化工股份有限公司胜利油田检测评价研究有限公司 [3]中国石油大学(华东)机电工程学院,山东省青岛市266500

出　　处：《工具技术》2023年第3期134-139,共6页Tool Engineering

基　　金：中国石油化工股份有限公司科技攻关项目(YC2109)。

摘　　要：针对现有油管螺纹人工检测效率低的问题,提出将CCD视觉成像技术应用于油管螺纹参数检测中。搭建了螺纹检测所需的成像系统,对成像光学器件进行了选型;根据检测标准要求建立了螺纹参数提取算法,开发了参数提取程序与结果显示的人机界面;研制了检测装置样机,对27/8与31/2油管进行了现场试验。结果表明:基于CCD成像技术的油管螺纹检测技术可获得较高质量的螺纹图像,实现螺纹螺距、齿高与锥度的提取与自动化检测,检测效率与精度高,满足现场油管螺纹自动化检测的要求。Aiming at the low efficiency of manual detection of oil pipe thread,the CCD visual imaging technology is applied to the detection of oil pipe thread parameters.The imaging system for thread detection is built,and the imaging optics are selected.According to the requirements of testing standards,the thread parameter extraction algorithm is formulated,the man-machine interface of parameter extraction program and the prototype of the testing device are developed.The field tests are carried out with 27/8 and 31/2 oil pipes as examples.The results show that the tubing thread detection technology based on CCD imaging technology can obtain high-quality thread image,and can realize the extraction and automatic detection of thread pitch,tooth height and taper.The detection efficiency and precision are high,which can meet the requirements of on-site tubing thread automatic detection.

关 键 词：油管 螺纹 自动化检测 CCD成像 

分 类 号：TG85[金属学及工艺—公差测量技术] TH162.1[机械工程—机械制造及自动化] TE925[石油与天然气工程—石油机械设备]