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油气管道裂纹检测器探头机构

Yan-xu ZANG,Yuan ZHANG,Xiang-yang TANG,Xuan ZHAO

Pipeline Technique and Equipment（2015）

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Abstract
针对长输油气管道存在的裂纹检测问题,设计了一种油气管道裂纹检测器的探头机构. 该探头是基于磁致伸缩效应而设计的,可用于管道轴向裂纹缺陷的检测. 该探头机构由弹簧连杆支撑机构、弹簧滑块支撑机构、万向旋转机构、支撑轮、磁铁和探头壳等零部件组成. 在动态试验台上进行测试,试验表明,该探头机构具有足够的强度和耐磨性,运行距离超过250 km,并能满足管道变形的要求,使探头壳紧贴管道内壁,该探头机构具有良好的应用前景.
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Key words
probe,detector,crack
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