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    • 1. 发明申请
    • PIPELINE PIG AND METHOD OF PIPELINE INSPECTION
    • 管道管和管道检查方法
    • WO1992009847A1
    • 1992-06-11
    • PCT/GB1991002070
    • 1991-11-22
    • HUNT, Hugh, Edmund, MurrayKÖPKE, Uwe, Gerhard
    • F17D05/00
    • F17D5/00E21B47/02208G01M7/00
    • A pipeline inspection apparatus includes a pipeline pig (1) which has a shaker (20) for causing the pig to vibrate in one or more of the vertical, longitudinal, lateral, bending and torsional senses. The vibrations are transmitted into the wall of a pipeline (2) through which the pig is moved and the vibration response of the pipeline is measured by accelerometers (50-53) in the pig for detecting one or more of the vertical, longitudinal, lateral, bending and torsional motions of the pig (1). For displaying and/or recording the measured data in a form which can be used to identify variations in the structural condition of the pipeline, a data acquisition system (38) and computer (36) are used.
    • 管道检查装置包括管道猪(1),其具有用于使猪在垂直,纵向,侧向,弯曲和扭转感觉中的一个或多个中振动的摇动器(20)。 振动被传递到管道(2)的壁中,猪通过该管道移动,并且通过猪中的加速度计(50-53)测量管道的振动响应,用于检测一个或多个垂直,纵向,横向 ,猪的弯曲和扭转运动(1)。 为了以可用于识别流水线结构状况的变化的形式显示和/或记录测量数据,使用数据采集系统(38)和计算机(36)。