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    • 11. 发明专利
    • Expanded pipe confirmation and inspection device
    • 膨胀管道确认和检查装置
    • JP2008076180A
    • 2008-04-03
    • JP2006254686
    • 2006-09-20
    • Hitachi LtdShin Nippon Hihakai Kensa Kk新日本非破壊検査株式会社株式会社日立製作所
    • SAKAI MAKOTOMIYAMOTO HIROYOSHISAITO TOSHIHIROCHIBA HIROAKINAKAYAMA YASUMASAMATSUYAMA HISASHITSUJI SHINICHIINOUE JUNJI
    • G01N27/90G01N29/44G01S5/30
    • PROBLEM TO BE SOLVED: To provide an expanded pipe confirmation and inspection device having an expanded pipe inspection means for individually detecting the joining state of the heat transfer pipe expanded to be joined to a tube plate and a heat transfer pipe position measuring means for measuring the position of the inspected heat transfer pipe.
      SOLUTION: The expanded pipe confirmation and inspection device has the expanded pipe inspection means 14 for inspecting the joining of the tube plate 11 and a heat transfer pipe 12 by an eddy current sensor 13 and the heat transfer pipe position measuring means 15 for measuring the position of the heat transfer pipe 12. The heat transfer pipe position measuring means 15 has the first ultrasonic transmitter 26 attached to the insertion jig 16 of the eddy current sensor 13, the first, and second ultrasonic receivers 28 and 29 arranged on the tube plate 11, the second and third ultrasonic transmitters 38 and 39 arranged in the vicinity of the tube plate 11 and an insertion jig position operation part 40 for calculating the propagation time of an ultrasonic pulse to the first and second ultrasonic receivers 28 and 29 from the first ultrasonic transmitter 26 to calculate the position of the insertion jig 16 on the tube plate 11.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种具有扩展管检查装置的扩管管确认和检查装置,用于分别检测膨胀到管板的传热管的接合状态和传热管位置测量装置 用于测量检查的传热管的位置。 解决方案:膨胀管确认和检查装置具有扩展管检查装置14,用于通过涡流传感器13和传热管位置测量装置15检查管板11和传热管12的接合,传热管位置测量装置15用于 测量传热管12的位置。传热管位置测量装置15具有安装在涡流传感器13的插入夹具16上的第一超声波发射器26,布置在其上的第一和第二超声波接收器28和29 管板11,布置在管板11附近的第二和第三超声波发射器38和39以及用于从第一和第二超声波接收器28和29计算超声脉冲的传播时间的插入夹具位置操作部40 第一超声波发射器26计算插入夹具16在管板11上的位置。版权所有:(C)2008,JPO&INPIT
    • 20. 发明专利
    • Thickness measurement method using ultrasonic
    • JP5306700B2
    • 2013-10-02
    • JP2008123695
    • 2008-05-09
    • 新日本非破壊検査株式会社
    • 裕二 西村
    • G01B17/02
    • PROBLEM TO BE SOLVED: To provide a thickness measuring method by use of ultrasonic waves for extracting only reflection echoes based on thickness of an object automatically and measuring thickness of the object with high precision. SOLUTION: This thickness measuring method includes: a measuring process for detecting waveforms of reflection echoes by generating ultrasonics from an ultrasonic probe at each measuring position of the object; a peak detection process for setting a scope of detection in the direction of thickness Z of the object and detecting a peak from each detected waveform; a peak apportioning process for preparing a three-dimensional virtual space having a shape obtained from the object, dividing the space in the direction of length X, the direction of width Y, and the direction of thickness Z of the object to form many zones, apportioning the peak positions to each of these zones, and calculating the number of peak positions in each zone; a grouping process for forming a plurality of groups by connecting the continuous zones where the number of peaks is calculated; and a thickness computing process for separating a zone constituting the group being non-continuous from the zones constituting the groups being continuous in the direction of length X, the direction of width Y, and the direction of thickness Z of the object and computing thickness of the object. COPYRIGHT: (C)2010,JPO&INPIT