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    • 81. 发明公开
    • Ultrasonic inspection method
    • Ultraschalluntersuchungsverfahren
    • EP2639581A1
    • 2013-09-18
    • EP13170219.3
    • 2007-11-02
    • BWX Technologies, Inc.
    • Maclauchlan, Daniel T.Cox, Bradley. E
    • G01N29/265G01N29/28G01N29/44
    • G01N29/28G01N29/265G01N29/44G01N29/4463G01N2291/106
    • A method for ultrasonically inspecting components with wavy or uneven surfaces. A multielement array ultrasonic transducer is operated with a substantial fluid layer, such as water, between the array transducer and the component surface. This fluid layer may be maintained by immersing the component in liquid or by using a captive couplant column between the probe and the component surface. The component is scanned, measuring the two dimensional surface profile using either a mechanical stylus, laser, or ultrasonic technique. Once an accurate surface profile of the component's surface has been obtained, data processing parameters, such as receiving delay laws, are calculated for processing the ultrasonic signals reflected from the interior of the component that eliminate beam distortion effects and reflector mis-location that would otherwise occur due to the uneven surfaces.
    • 一种用于超声波检查具有波浪或不平坦表面的部件的方法。 多阵列阵列超声波换能器在阵列换能器和部件表面之间用诸如水的实质流体层操作。 可以通过将组分浸入液体中或通过在探针和组件表面之间使用捕获的耦合剂柱来维持该流体层。 扫描组件,使用机械触针,激光或超声波技术测量二维表面轮廓。 一旦获得了组件表面的精确表面轮廓,就可以计算数据处理参数,如接收延迟定律,用于处理从组件内部反射的超声信号,消除波束失真效应和反射器误定位 由于表面不平坦而发生。
    • 84. 发明公开
    • Method of non-destructively testing a work piece and non-destructive testing arrangement
    • 一种用于工件的非破坏性测试和非破坏性测试装置的方法
    • EP1930722A3
    • 2013-04-10
    • EP07122613.8
    • 2007-12-07
    • Siemens Aktiengesellschaft
    • Bosselmann, ThomasStiesdal, Henrik
    • G01N29/04G01S13/87G01N29/265F03D11/00F03D1/00
    • G01N29/2493F03D17/00F05B2260/80G01N29/225G01N29/4427G01N2291/044G01N2291/101G01N2291/2638G01N2291/2693G01S13/878
    • A method of non-destructively testing a work piece (2) is disclosed, wherein the work piece (2) is placed within an active field of a positioning system (8, 9, 17); a frame of reference of the work piece (2) is established based on the geometry of the work piece (2) in the coordinates of the positioning system (8, 9, 17); the geometry of the work piece (2) is detected by determining the position of specific transponders (16), which are fixed to the work piece (2), by the positioning system or the geometry of the work piece (2) is detected by scanning at least parts of the contour of the work piece (2) with a transponder of the positioning system; testing data is acquired for the work piece (2) with a non-destructive testing probe (15), which comprises a transponder of the positioning system, while the position of the testing probe is recorded by the positioning system; the position of the testing probe (15) is transformed into an intrinsic position defined with respect to the frame of reference of the work piece (2); and the intrinsic position of the testing probe (15) is assigned to the testing data recorded at the respective position. Moreover, a non-destructive testing arrangement is provided, comprising a non-destructive testing probe (15) equipped with a transponder for a positioning system. It further comprises a positioning system with at least one transponder or transmitter (8, 9, 17), which emits directional radiation the direction of which can be controlled, or it further comprises a positioning system with at least two transponders or transmitters (8, 9, 17), which emit nondirectional radiation. Furthermore a method for acoustically testing a work piece (151) and a system for acoustically testing a work piece (151) are disclosed.
    • 86. 发明公开
    • RAIL SECTION WELD INSPECTION SCANNER
    • 导轨段检查扫描仪
    • EP2438434A1
    • 2012-04-11
    • EP10711286.4
    • 2010-03-12
    • Alstom Technology Ltd
    • BRIGNAC, Jacques, L.LUCAS, Robert, E.
    • G01N29/04G01N29/265G01N29/24B61K9/10
    • G01N29/2487G01N29/043G01N29/265G01N2291/2623
    • A rail section weld inspection device [1000] is described for inspecting a rail [10] for internal defects [19,21]. A central ultrasonic (US) probe [1330] transmits at least one US beam [B] through the rail [10] and receiving a reflected signal. At least one angled US probe [1310] transmits at least one US beam [A1-A5] through the rail [10] at an oblique angle at least partially covering the same region as the central probe [1330]. An encoder [1380] identifies the location of the US probes [1330] and [1310] along the rail [10] and pairs the locations of the probes with the signals received. The Calculation device [1500] receives the signals from the US probes and uses their different views to create an image of the flaws within the rail [10].
    • 描述了用于检查导轨[10]的内部缺陷[19,21]的导轨部分焊接检查装置[1000]。 中央超声波(US)探头[1330]通过轨道[10]传输至少一个US光束[B]并接收反射信号。 至少一个成角度的US探针[1310]以至少部分地覆盖与中心探针[1330]相同的区域的倾斜角通过轨道[10]传送至少一个US光束[A1-A5]。 编码器[1380]沿轨道[10]识别US探针[1330]和[1310]的位置,并将探针的位置与接收到的信号配对。 计算设备[1500]接收来自美国探针的信号,并使用其不同的视图来创建轨道内缺陷图像[10]。
    • 90. 发明公开
    • Messvorrichtung zur Materialprüfung verlegter Schienen im Gleis
    • Messvorrichtung zurMaterialprüfungverlegter Schienen im Gleis
    • EP2347941A1
    • 2011-07-27
    • EP10151251.5
    • 2010-01-20
    • Stahlberg Roensch GmbH & Co. KG
    • Grüner Lars
    • B61K9/10G01N29/265
    • B61K9/10G01N27/90G01N29/043G01N29/225G01N29/265G01N2291/2623
    • Eine Messvorrichtung zur Materialprüfung verlegter Schienen (3, 4) im Gleis mit einem gezogenen oder selbstangetriebenen, einen Fahrzeugrahmen (20) und Schienenlaufräder (21, 22) aufweisenden Fahrzeug und einer Prüfkopfanordnung mit wenigstens je einem entlang der jeweiligen Schiene (3, 4) zu führenden Prüfkopf für jede der beiden in dem Gleis verlegten Schienen (3, 4) soll dahingehend verbessert werden, dass diese einen einfacheren Einsatz erlaubt und auch weitere Nachteile aus dem Stand der Technik vermeidet.
      Hierzu wird vorgeschlagen, dass die Schienenlaufräder (21, 22) des Fahrzeuges einen festen Spurabstand aufweisen, dass an dem Fahrzeugrahmen (20) eine Halte- und Führungseinrichtung für die Prüfkopfanordnung festgelegt ist, die quer zu der Fahrtrichtung des Fahrzeuges relativ zu dem Fahrzeugrahmen (20) bewegbar ist, wobei die Halte- und Führungseinrichtung einen ersten und einen zweiten Halte- und Führungsabschnitt (23, 24) aufweist, die mittels einer Spreizeinrichtung (27, 28) quer zu der Fahrtrichtung des Fahrzeuges mit einer Spreizkraft beaufschlagt sind und jeweils wenigstens einen Prüfkopf tragen, den sie entlang jeweils einer der beiden Schienen (3, 4) in dem Gleis führen.
    • 测量装置具有用于连接到车架(20)的测试头组件的保持和引导装置。 保持引导装置可相对于车辆框架横向于车辆的行进方向移动。 保持引导装置具有两个通过两个致动器(27,28)以扩展力横向于车辆行进方向撞击的保持和引导部分(23,24),并且承载例如测试头。 超声波探头。 测试头沿两个轨道(3,4)引导。