WO2023245964A1 - Phased array ultrasonic testing apparatus and method for bolt hole crack - Google Patents

Phased array ultrasonic testing apparatus and method for bolt hole crack Download PDF

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Publication number
WO2023245964A1
WO2023245964A1 PCT/CN2022/131680 CN2022131680W WO2023245964A1 WO 2023245964 A1 WO2023245964 A1 WO 2023245964A1 CN 2022131680 W CN2022131680 W CN 2022131680W WO 2023245964 A1 WO2023245964 A1 WO 2023245964A1
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phased array
bolt hole
array ultrasonic
sound
ultrasonic detection
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PCT/CN2022/131680
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French (fr)
Chinese (zh)
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王志强
赵仑
蔡晖
王鹏
秦承鹏
李东江
陈征
王福贵
王强
邱张维佳
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西安热工研究院有限公司
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Publication of WO2023245964A1 publication Critical patent/WO2023245964A1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/048—Marking the faulty objects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0654—Imaging
    • G01N29/069—Defect imaging, localisation and sizing using, e.g. time of flight diffraction [TOFD], synthetic aperture focusing technique [SAFT], Amplituden-Laufzeit-Ortskurven [ALOK] technique
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
    • G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/023—Solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/0289—Internal structure, e.g. defects, grain size, texture
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/106—Number of transducers one or more transducer arrays
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/269—Various geometry objects
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Definitions

  • This application belongs to the technical field of non-destructive testing and relates to a phased array ultrasonic testing device and method for bolt hole cracks.
  • the purpose of this application is to overcome the shortcomings of the above-mentioned prior art and provide a phased array ultrasonic detection device and method for bolt hole cracks.
  • the device and method can perform phased array ultrasonic detection of cracks and defects in the area where the bolt hole is located. All defects affecting the quality of the area where the bolt holes are located can be quickly and comprehensively discovered.
  • the phased array ultrasonic detection device for bolt hole cracks described in this application includes a phased array ultrasonic detector, an oblique probe, a component to be tested and a number of wafers;
  • the component to be tested is provided with a threaded hole.
  • the sound-transmitting wedge in the oblique probe is located on the component to be tested.
  • the top of the sound-transmitting wedge is provided with an inclined surface.
  • Each chip is located on the inclined surface.
  • the phased array The ultrasonic detector is connected to the wafer.
  • the phased array ultrasonic detector is connected to the wafer through cables.
  • Each wafer is distributed in parallel.
  • Each wafer is equally spaced.
  • a handle is provided on the oblique probe.
  • phased array ultrasonic detection method for bolt hole cracks described in this application includes the following steps:
  • phased array ultrasonic sector scan to a symmetrical angle.
  • the sound beam generated by the chip passes through the sound-transmitting wedge and the refracted sound beam formed reaches the location of the bolt hole.
  • Move the oblique probe until the signal reflected by the bolt hole is in the sector scan image.
  • the phased array signal representing the quality of the area where the bolt hole is located is received by the phased array ultrasonic detector, and finally the quality of the area where the bolt hole is located is judged based on the received phased array signal.
  • Phased array ultrasonic inspection of the entire bolt hole area is achieved by moving the oblique probe along the circumference.
  • the phased array adopts a symmetrical fan scanning method.
  • the oblique probe is placed on the plane where the bolt hole is located, and the probe is moved left and right to the structural wave of the bolt hole.
  • you can judge whether there are defect wave signals on both sides of the fan scan you can judge whether there are defects near the bolt hole; by moving the probe along the circumferential direction of the bolt hole, you can achieve the detection of the bolt. Defect detection around the entire hole is simple and convenient to operate and avoids misjudgments.
  • Figure 1 is a cross-sectional view of the present application
  • Figure 2 is a top view of the present application
  • Figure 3 is a schematic diagram of the detection effect of this application.
  • 1 is the phased array ultrasonic detector
  • 2 is the cable
  • 3 is the handle
  • 4 is the angle probe
  • 5 is the chip
  • 6 is the sound-transmitting wedge
  • 7 is the sound beam
  • 8 is the component to be tested
  • 9 is the bolt. hole.
  • FIG. 1 A schematic structural diagram of an embodiment disclosed in the present application is shown in the accompanying drawings.
  • the drawings are not to scale, some details are exaggerated and may be omitted for purposes of clarity.
  • the shapes of the various regions and layers shown in the figures and the relative sizes and positional relationships between them are only exemplary. In practice, there may be deviations due to manufacturing tolerances or technical limitations, and those skilled in the art will base their judgment on actual situations. Additional regions/layers with different shapes, sizes, and relative positions can be designed as needed.
  • the phased array ultrasonic detection device for bolt hole cracks described in this application includes a phased array ultrasonic detector 1, a cable 2, a handle 3, an oblique probe 4, a sound-transmitting wedge 6, and the component to be tested. 8 and a number of chips 5;
  • the component to be tested 8 is provided with a threaded hole, and the sound-transmitting wedge 6 in the oblique probe 4 is located on the component to be tested 8.
  • the top of the sound-transmitting wedge 6 is provided with an inclined surface, and each chip 5 is located on the inclined surface.
  • the phased array ultrasonic detector 1 is connected to the wafers 5 through cables 2, and the wafers 5 are parallel and equally spaced.
  • the sound beam 7 generated by the chip 5 passes through the sound-transmitting wedge 6 and is incident on the bolt hole 9 obliquely. After being reflected by the bolt hole 9, it is received by the chip 5 and then sent to the phased array ultrasonic detector 1.
  • the oblique probe 4 There is a handle on the top.
  • phased array ultrasonic detection method for bolt hole cracks described in this application includes the following steps:
  • phased array ultrasonic sector scan After power on, set the phased array ultrasonic sector scan to a symmetrical angle.
  • the sound beam 7 generated by the chip 5 passes through the sound-transmitting wedge 6 and the refracted sound beam formed reaches the position of the bolt hole 9.
  • the signal reflected by hole 9 is in the center of the fan-shaped scan image. Due to the reflection from the wall of bolt hole 9, the signal will gradually weaken from near to far.
  • the signals on both wings of the fan-shaped scan are used to indicate whether there are defects in the detection area and to indicate the quality of bolt hole 9.
  • the phased array signal is received by the phased array ultrasonic detector 1, and finally the quality of the area where the bolt hole 9 is located is judged based on the received phased array signal.
  • phased array ultrasonic inspection of the entire bolt hole 9 area can be achieved by moving the oblique probe 4 along the circumference, or the bolt hole 9 can be inspected by changing the angle of the sound-transmitting wedge 6 and moving the oblique probe 4 left or right. Phased array ultrasonic testing is performed on the entire depth area, thereby achieving phased array ultrasonic testing on the entire depth area of the bolt hole 9 without causing misjudgment.

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

A phased array ultrasonic testing apparatus and method for a bolt hole crack. The testing apparatus comprises a phased array ultrasonic tester (1), an angle probe (4), a component to be tested (8), and several wafers (5), wherein a bolt hole (9) is opened on the component to be tested (8); a sound-transmitting wedge (6) in the angle probe (4) is located on the component to be tested (8); the top of the sound-transmitting wedge (6) is provided with an inclined surface; the wafers (5) are located on the inclined surface; and the phased array ultrasonic tester (1) is connected to the wafers (5). The present application can perform phased array ultrasonic testing on a crack and a defect in an area where a bolt hole (9) is located, so as to rapidly and comprehensively find all defects that affect the quality of the area where the bolt hole (9) is located.

Description

一种螺栓孔裂纹相控阵超声检测装置及方法A phased array ultrasonic detection device and method for bolt hole cracks
交叉引用cross reference
本申请要求在2022年6月23日提交中国国家知识产权局、申请号为202210720194.7、发明名称为“一种螺栓孔裂纹相控阵超声检测装置及方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。This application requires the priority of the Chinese patent application submitted to the State Intellectual Property Office of China on June 23, 2022, with the application number 202210720194.7 and the invention title "A Bolt Hole Crack Phased Array Ultrasonic Detection Device and Method", all of which The contents are incorporated into this application by reference.
技术领域Technical field
本申请属于无损检测技术领域，涉及一种螺栓孔裂纹相控阵超声检测装置及方法。This application belongs to the technical field of non-destructive testing and relates to a phased array ultrasonic testing device and method for bolt hole cracks.
背景技术Background technique
现阶段，螺栓孔附近裂纹由于其深度深，采用涡流、磁粉等方法不能实现其缺陷检测；其上部有垫片、螺母和螺栓等装置影响，采用常规超声和相控阵超声检测容易被结构回波影响，造成误判，因此严重的影响对螺栓孔所在区域质量的检测。At present, due to the deep depth of cracks near bolt holes, eddy current, magnetic particle and other methods cannot be used to detect defects; the upper part is affected by devices such as gaskets, nuts and bolts, and conventional ultrasonic and phased array ultrasonic inspections are easily susceptible to structural return. Wave influence causes misjudgment, thus seriously affecting the quality detection of the area where the bolt hole is located.
为了确保螺栓孔裂纹相控阵超声检测不会误判，且操作方便、省时，有必要开发一种螺栓孔裂纹相控阵超声检测装置及方法，可以快速、全面发现螺栓孔附近出现的裂纹和其他缺陷，为各种有螺栓孔的装备的安全运行和高效监督管理提供技术支持，也可对其寿命评估提供技术参考，然而现有技术中并没有给出类似的公开。In order to ensure that bolt hole crack phased array ultrasonic detection does not misjudge and is easy to operate and save time, it is necessary to develop a bolt hole crack phased array ultrasonic detection device and method that can quickly and comprehensively detect cracks near bolt holes. and other defects, to provide technical support for the safe operation and efficient supervision and management of various equipment with bolt holes, and to provide technical reference for life assessment. However, there is no similar disclosure in the existing technology.
发明内容Contents of the invention
本申请的目的在于克服上述现有技术的缺点，提供了一种螺栓孔裂 纹相控阵超声检测装置及方法，该装置及方法能够对螺栓孔所在区域的裂纹及缺陷进行相控阵超声检测，能够快速、全面发现影响螺栓孔所在区域质量的所有缺陷。The purpose of this application is to overcome the shortcomings of the above-mentioned prior art and provide a phased array ultrasonic detection device and method for bolt hole cracks. The device and method can perform phased array ultrasonic detection of cracks and defects in the area where the bolt hole is located. All defects affecting the quality of the area where the bolt holes are located can be quickly and comprehensively discovered.
为达到上述目的，本申请所述的螺栓孔裂纹相控阵超声检测装置包括相控阵超声检测仪、斜探头、待测部件及若干晶片；In order to achieve the above purpose, the phased array ultrasonic detection device for bolt hole cracks described in this application includes a phased array ultrasonic detector, an oblique probe, a component to be tested and a number of wafers;
待测部件上设置有螺纹孔，斜探头中的透声楔块位于所述待测部件上，所述透声楔块的顶部设置有倾斜面，各晶片位于所述倾斜面上，相控阵超声检测仪与晶片相连接。The component to be tested is provided with a threaded hole. The sound-transmitting wedge in the oblique probe is located on the component to be tested. The top of the sound-transmitting wedge is provided with an inclined surface. Each chip is located on the inclined surface. The phased array The ultrasonic detector is connected to the wafer.
相控阵超声检测仪通过电缆线与晶片相连接。The phased array ultrasonic detector is connected to the wafer through cables.
各晶片平行分布。Each wafer is distributed in parallel.
各晶片等间距分布。Each wafer is equally spaced.
斜探头上设置有把手。A handle is provided on the oblique probe.
本申请所述的螺栓孔裂纹相控阵超声检测方法包括以下步骤：The phased array ultrasonic detection method for bolt hole cracks described in this application includes the following steps:
设置相控阵超声扇形扫查为对称角度，晶片产生的声束穿出透声楔块后形成的折射声束到达螺栓孔所在位置，移动斜探头，直至螺栓孔反射的信号处于扇形扫查图像的中央，表征螺栓孔所在区域质量的相控阵信号被相控阵超声检测仪接收，最后根据接收到的相控阵信号判断螺栓孔所在区域的质量。Set the phased array ultrasonic sector scan to a symmetrical angle. The sound beam generated by the chip passes through the sound-transmitting wedge and the refracted sound beam formed reaches the location of the bolt hole. Move the oblique probe until the signal reflected by the bolt hole is in the sector scan image. In the center, the phased array signal representing the quality of the area where the bolt hole is located is received by the phased array ultrasonic detector, and finally the quality of the area where the bolt hole is located is judged based on the received phased array signal.
通过沿圆周移动斜探头实现对整个螺栓孔所在区域的相控阵超声检测。Phased array ultrasonic inspection of the entire bolt hole area is achieved by moving the oblique probe along the circumference.
通过改变透声楔块的角度，左右移动斜探头，实现对螺栓孔整个深度所在区域进行相控阵超声检测。By changing the angle of the sound-transmitting wedge and moving the oblique probe left and right, phased array ultrasonic inspection of the entire depth of the bolt hole is achieved.
本申请具有以下有益效果：This application has the following beneficial effects:
本申请所述的螺栓孔裂纹相控阵超声检测装置及方法在具体操作时，相控阵采用对称的扇扫描方式，将斜探头放置在螺栓孔所在平面上，左右移动探头至螺栓孔结构波处于扇扫描的中间，即可上下移动探头开始检测，通过判断扇扫描两侧有无缺陷波信号，即可判断螺栓孔附近有无缺陷；通过沿螺栓孔圆周方向移动探头，即可实现对螺栓孔整个周边的缺陷检测，操作简单、方便，且避免产生误判。During the specific operation of the phased array ultrasonic detection device and method for bolt hole cracks described in this application, the phased array adopts a symmetrical fan scanning method. The oblique probe is placed on the plane where the bolt hole is located, and the probe is moved left and right to the structural wave of the bolt hole. In the middle of the fan scan, you can move the probe up and down to start detection. By judging whether there are defect wave signals on both sides of the fan scan, you can judge whether there are defects near the bolt hole; by moving the probe along the circumferential direction of the bolt hole, you can achieve the detection of the bolt. Defect detection around the entire hole is simple and convenient to operate and avoids misjudgments.
附图说明Description of the drawings
图1为本申请的剖面图；Figure 1 is a cross-sectional view of the present application;
图2为本申请的俯视图；Figure 2 is a top view of the present application;
图3为本申请的检测效果示意图。Figure 3 is a schematic diagram of the detection effect of this application.
其中，1为相控阵超声检测仪、2为电缆线、3为手柄、4为斜探头、5为晶片、6为透声楔块、7为声束、8为待测部件、9为螺栓孔。Among them, 1 is the phased array ultrasonic detector, 2 is the cable, 3 is the handle, 4 is the angle probe, 5 is the chip, 6 is the sound-transmitting wedge, 7 is the sound beam, 8 is the component to be tested, and 9 is the bolt. hole.
具体实施方式Detailed ways
为了使本技术领域的人员更好地理解本申请方案，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分的实施例，不是全部的实施例，而并非要限制本申请公开的范围。此外，在以下说明中，省略了对公知结构和技术的描述，以避免不必要的混淆本申请公开的概念。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本申请保护的范围。In order to enable those in the technical field to better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only The embodiments are part of the present application, not all the embodiments, and are not intended to limit the scope of disclosure of the present application. Furthermore, in the following description, descriptions of well-known structures and technologies are omitted to avoid unnecessarily confusing the concepts disclosed in this application. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts should fall within the scope of protection of this application.
在附图中示出了根据本申请公开实施例的结构示意图。这些图并非 是按比例绘制的，其中为了清楚表达的目的，放大了某些细节，并且可能省略了某些细节。图中所示出的各种区域、层的形状及它们之间的相对大小、位置关系仅是示例性的，实际中可能由于制造公差或技术限制而有所偏差，并且本领域技术人员根据实际所需可以另外设计具有不同形状、大小、相对位置的区域/层。A schematic structural diagram of an embodiment disclosed in the present application is shown in the accompanying drawings. The drawings are not to scale, some details are exaggerated and may be omitted for purposes of clarity. The shapes of the various regions and layers shown in the figures and the relative sizes and positional relationships between them are only exemplary. In practice, there may be deviations due to manufacturing tolerances or technical limitations, and those skilled in the art will base their judgment on actual situations. Additional regions/layers with different shapes, sizes, and relative positions can be designed as needed.
参考图1至图3，本申请所述的螺栓孔裂纹相控阵超声检测装置包括相控阵超声检测仪1、电缆线2、手柄3、斜探头4、透声楔块6、待测部件8及若干晶片5；Referring to Figures 1 to 3, the phased array ultrasonic detection device for bolt hole cracks described in this application includes a phased array ultrasonic detector 1, a cable 2, a handle 3, an oblique probe 4, a sound-transmitting wedge 6, and the component to be tested. 8 and a number of chips 5;
待测部件8上设置有螺纹孔，斜探头4中的透声楔块6位于所述待测部件8上，所述透声楔块6的顶部设置有倾斜面，各晶片5位于所述倾斜面上，相控阵超声检测仪1通过电缆线2与晶片5相连接，各晶片5平行且等间距分布。The component to be tested 8 is provided with a threaded hole, and the sound-transmitting wedge 6 in the oblique probe 4 is located on the component to be tested 8. The top of the sound-transmitting wedge 6 is provided with an inclined surface, and each chip 5 is located on the inclined surface. On the surface, the phased array ultrasonic detector 1 is connected to the wafers 5 through cables 2, and the wafers 5 are parallel and equally spaced.
晶片5产生的声束7穿出透声楔块6后倾斜入射到螺栓孔9上，再经螺栓孔9反射后被晶片5接收，然后送入相控阵超声检测仪1中，斜探头4上设置有把手。The sound beam 7 generated by the chip 5 passes through the sound-transmitting wedge 6 and is incident on the bolt hole 9 obliquely. After being reflected by the bolt hole 9, it is received by the chip 5 and then sent to the phased array ultrasonic detector 1. The oblique probe 4 There is a handle on the top.
本申请所述的螺栓孔裂纹相控阵超声检测方法包括以下步骤：The phased array ultrasonic detection method for bolt hole cracks described in this application includes the following steps:
通电后，设置相控阵超声扇形扫查为对称角度，晶片5产生的声束7穿出透声楔块6后形成的折射声束到达螺栓孔9的位置，上下移动斜探头4，直至螺栓孔9反射的信号处于扇形扫查图像的中央，由于螺栓孔9壁面的反射，信号将由近到远逐渐减弱，扇形扫查两翼的信号，以表征检测区域是否有缺陷，表征螺栓孔9质量的相控阵信号被相控阵超声检测仪1接收，最后根据接收到的相控阵信号判断螺栓孔9所在区域 的质量。After power on, set the phased array ultrasonic sector scan to a symmetrical angle. The sound beam 7 generated by the chip 5 passes through the sound-transmitting wedge 6 and the refracted sound beam formed reaches the position of the bolt hole 9. Move the oblique probe 4 up and down until the bolt The signal reflected by hole 9 is in the center of the fan-shaped scan image. Due to the reflection from the wall of bolt hole 9, the signal will gradually weaken from near to far. The signals on both wings of the fan-shaped scan are used to indicate whether there are defects in the detection area and to indicate the quality of bolt hole 9. The phased array signal is received by the phased array ultrasonic detector 1, and finally the quality of the area where the bolt hole 9 is located is judged based on the received phased array signal.
在检测时，可以通过沿圆周移动斜探头4实现对整个螺栓孔9所在区域的相控阵超声检测，也可以通过改变透声楔块6的角度和左右移动斜探头4，实现对螺栓孔9整个深度所在区域进行相控阵超声检测，从而实现对螺栓孔9整个深度所在区域的相控阵超声检测，且不会造成误判。During inspection, the phased array ultrasonic inspection of the entire bolt hole 9 area can be achieved by moving the oblique probe 4 along the circumference, or the bolt hole 9 can be inspected by changing the angle of the sound-transmitting wedge 6 and moving the oblique probe 4 left or right. Phased array ultrasonic testing is performed on the entire depth area, thereby achieving phased array ultrasonic testing on the entire depth area of the bolt hole 9 without causing misjudgment.

Claims (8)

  1. 一种螺栓孔裂纹相控阵超声检测装置，其特征在于，包括相控阵超声检测仪(1)、斜探头(4)、待测部件(8)及若干晶片(5)；A phased array ultrasonic detection device for bolt hole cracks, which is characterized by including a phased array ultrasonic detector (1), an oblique probe (4), a component to be tested (8) and a number of wafers (5);
    待测部件(8)上设置有螺纹孔，斜探头(4)中的透声楔块(6)位于所述待测部件(8)上，所述透声楔块(6)的顶部设置有倾斜面，各晶片(5)位于所述倾斜面上，相控阵超声检测仪(1)与晶片(5)相连接。The component to be tested (8) is provided with a threaded hole. The sound-transmitting wedge (6) in the oblique probe (4) is located on the component to be tested (8). The top of the sound-transmitting wedge (6) is provided with a threaded hole. An inclined surface, each wafer (5) is located on the inclined surface, and the phased array ultrasonic detector (1) is connected to the wafer (5).
  2. 根据权利要求1所述的螺栓孔裂纹相控阵超声检测装置，其特征在于，相控阵超声检测仪(1)通过电缆线(2)与晶片(5)相连接。The phased array ultrasonic detection device for bolt hole cracks according to claim 1, characterized in that the phased array ultrasonic detector (1) is connected to the wafer (5) through a cable (2).
  3. 根据权利要求1所述的螺栓孔裂纹相控阵超声检测装置，其特征在于，各晶片(5)平行分布。The phased array ultrasonic detection device for bolt hole cracks according to claim 1, characterized in that each wafer (5) is distributed in parallel.
  4. 根据权利要求1所述的螺栓孔裂纹相控阵超声检测装置，其特征在于，各晶片(5)等间距分布。The phased array ultrasonic detection device for bolt hole cracks according to claim 1, characterized in that the wafers (5) are equally spaced.
  5. 根据权利要求1所述的螺栓孔裂纹相控阵超声检测装置，其特征在于，斜探头(4)上设置有把手。The phased array ultrasonic detection device for bolt hole cracks according to claim 1, characterized in that the oblique probe (4) is provided with a handle.
  6. 一种螺栓孔裂纹相控阵超声检测方法，其特征在于，包括以下步骤：A phased array ultrasonic detection method for bolt hole cracks, which is characterized by including the following steps:
    设置相控阵超声扇形扫查为对称角度，晶片(5)产生的声束(7)穿出透声楔块(6)后形成的折射声束到达螺栓孔(9)所在位置，移动斜探头(4)，直至螺栓孔(9)反射的信号处于扇形扫查图像的中央，表征螺栓孔(9)所在区域质量的相控阵信号被相控阵超声检测仪(1)接收，最后根据接收到的相控阵信号判断螺栓孔(9)所在区域的质量。Set the phased array ultrasonic sector scan to a symmetrical angle. The sound beam (7) generated by the chip (5) passes through the sound-transmitting wedge (6) and the refracted sound beam formed reaches the location of the bolt hole (9). Move the oblique probe (4), until the signal reflected by the bolt hole (9) is in the center of the sector-shaped scanning image, the phased array signal representing the quality of the area where the bolt hole (9) is located is received by the phased array ultrasonic detector (1), and finally according to the received The obtained phased array signal determines the quality of the area where the bolt hole (9) is located.
  7. 根据权利要求6所述的螺栓孔裂纹相控阵超声检测方法，其特征在于，通过沿圆周移动斜探头(4)实现对整个螺栓孔(9)所在区域的相控阵超声检测。The phased array ultrasonic detection method for bolt hole cracks according to claim 6, characterized in that the phased array ultrasonic detection of the entire bolt hole (9) area is achieved by moving the oblique probe (4) along the circumference.
  8. 根据权利要求6所述的螺栓孔裂纹相控阵超声检测方法，其特征在于，通过改变透声楔块(6)的角度，左右移动斜探头(4)，实现对螺栓孔(9)整个深度所在区域进行相控阵超声检测。The phased array ultrasonic detection method for bolt hole cracks according to claim 6, characterized in that by changing the angle of the sound-transmitting wedge (6) and moving the oblique probe (4) left and right, the entire depth of the bolt hole (9) can be detected. Phased array ultrasonic testing is performed in the area.
PCT/CN2022/131680 2022-06-23 2022-11-14 Phased array ultrasonic testing apparatus and method for bolt hole crack WO2023245964A1 (en)

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