CN106442737B - Multifunctional ultrasonic flaw detection wedge block applicable to complex curved surface and provided with auxiliary rod - Google Patents

Multifunctional ultrasonic flaw detection wedge block applicable to complex curved surface and provided with auxiliary rod Download PDF

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CN106442737B
CN106442737B CN201610919969.8A CN201610919969A CN106442737B CN 106442737 B CN106442737 B CN 106442737B CN 201610919969 A CN201610919969 A CN 201610919969A CN 106442737 B CN106442737 B CN 106442737B
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wedge block
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flaw detection
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CN106442737A (en
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王强
龚思璠
谷小红
范昕炜
吴琳琳
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China Jiliang University
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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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/221—Arrangements for directing or focusing the acoustical waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract

The invention discloses a multifunctional ultrasonic flaw detection wedge block applicable to complex curved surfaces and provided with auxiliary rods, which comprises an ultrasonic phased array probe, a connector, a cable, a convex wedge block, a first concave wedge block and a second concave wedge block; the connector is arranged in the middle of the upper surface of the ultrasonic phased array probe, a cable is connected to the connector, a convex wedge block is arranged on the lower bottom surface of the ultrasonic phased array probe, and a mounting hole which is tightly matched with the end head of the auxiliary rod is formed in the plane of the convex wedge block; and a first concave wedge block which is matched with the convex wedge block is arranged at the lower part of the convex wedge block, and a second concave wedge block is arranged at the lower part of the first concave wedge block. Therefore, when the invention is used for detection, the wedge block does not need to be frequently replaced, and the complex curved surface can be subjected to omnibearing flaw detection; the detection of the higher lower part of the workpiece can be realized through the auxiliary rod, so that the detection efficiency can be ensured, and the detection safety can be improved.

Description

一种适用于复杂曲面兼具辅助杆的多功能超声探伤楔块A Multifunctional Ultrasonic Flaw Detection Wedge Applicable to Complex Curved Surfaces with Auxiliary Rods

技术领域technical field

本发明属于超声相控阵无损探伤技术领域，尤其是一种适用于复杂曲面兼具辅助杆的多功能超声相控阵探伤楔块。The invention belongs to the technical field of ultrasonic phased array nondestructive flaw detection, in particular to a multifunctional ultrasonic phased array flaw detection wedge suitable for complex curved surfaces and having an auxiliary rod.

技术背景technical background

目前，在针对超声相控阵无损检测中常用的楔块主要有直楔块和斜楔两种，楔块在检测时的目的是为了实现对声束的偏转和对探头的保护。但是，在针对复杂的凸面、凹面、焊接拐弯处进行无损检测时，常用楔块由于外形方正、常更换等问题，易造成检测不便、缺陷漏检和探头磨损，且对工件的特殊部位，如对较高处进行检测时，由于距离较远、难以触及常需借助扶梯，使得检测非常麻烦而且不安全；对较低处进行检测时，由于检测人员长时间蜷曲，身体手臂极易酸累疲劳，造成检测效率降低，留下安全隐患。如果能给出一种既能适用于复杂曲面检测又兼具辅助杆功能的楔块，将会为检测工作带来很大的便利。At present, there are mainly two types of wedges commonly used in ultrasonic phased array nondestructive testing: straight wedges and oblique wedges. The purpose of wedges during testing is to deflect the sound beam and protect the probe. However, when performing non-destructive testing on complex convex surfaces, concave surfaces, and welding corners, the commonly used wedges are prone to inconvenience in detection, missed detection of defects, and wear of the probe due to their square shape and frequent replacement. When inspecting higher places, due to the long distance and difficult access, escalators are often required, which makes the inspection very troublesome and unsafe; when inspecting lower places, because the inspectors curl up for a long time, the body and arms are easily tired and tired , resulting in a decrease in detection efficiency and a potential safety hazard. If a wedge that can be applied to complex curved surface detection and also has the function of an auxiliary rod can be provided, it will bring great convenience to the detection work.

发明内容Contents of the invention

本发明针对现有技术的不足，提供了一种适用于复杂曲面兼具辅助杆的多功能超声相控阵探伤楔块，既能实现复杂曲面和焊接拐弯处的检测，又能实现工件较高较低处的检测。Aiming at the deficiencies of the prior art, the present invention provides a multifunctional ultrasonic phased array flaw detection wedge suitable for complex curved surfaces and auxiliary rods, which can not only realize the detection of complex curved surfaces and welding corners, but also realize the detection of workpieces with high Lower detection.

为了解决上述技术问题，本发明采用如下技术方案：In order to solve the above technical problems, the present invention adopts the following technical solutions:

一种适用于复杂曲面兼具辅助杆的多功能超声探伤楔块，包括超声相控阵探头、连接头、电缆线、凸形楔块、第一凹形楔块和第二凹形楔块；A multifunctional ultrasonic flaw detection wedge suitable for complex curved surfaces and having an auxiliary rod, including an ultrasonic phased array probe, a connector, a cable, a convex wedge, a first concave wedge, and a second concave wedge;

所述的连接头设置在该超声相控阵探头上表面中间位置，连接头上连接有电缆线，在超声相控阵探头的下底面设置了凸形楔块,所述的凸形楔块的长边长度大于超声相控阵探头长边长度，所述的凸形楔块的短边长度等于超声相控阵探头短边长度；超声相控阵探头与凸形楔块的平面固定连接，所述的凸形楔块的平面设有紧配合辅助杆端头的安装孔；且凸形楔块的下部设置了与凸形楔块相吻合的第一凹形楔块，在第一凹形楔块的下部设置了第二凹形楔块；The connecting head is arranged in the middle of the upper surface of the ultrasonic phased array probe, the connecting head is connected with a cable, and a convex wedge is set on the lower surface of the ultrasonic phased array probe, and the convex wedge is The length of the long side is greater than the length of the long side of the ultrasonic phased array probe, and the length of the short side of the convex wedge is equal to the length of the short side of the ultrasonic phased array probe; the ultrasonic phased array probe is fixedly connected to the plane of the convex wedge, so The plane of the above-mentioned convex wedge is provided with a mounting hole that closely fits the end of the auxiliary rod; The lower part of the block is provided with a second concave wedge;

所述的凸形楔块的形状为半圆柱体；The shape of the convex wedge is a semi-cylindrical;

所述的第一凹形楔块的一面为凹面；该凹面的对面为平面，且该凹面与凸形楔块的凸面相吻合，并通过该凹面与凸形楔块连接；One side of the first concave wedge is a concave surface; the opposite surface of the concave surface is a plane, and the concave surface coincides with the convex surface of the convex wedge, and is connected with the convex wedge through the concave surface;

所述的第二凹形楔块的一面为凹面；该凹面的对面为平面，且该平面与第一凹形楔块的平面相吻合，并通过该平面与第一凹形楔块相连接；One side of the second concave wedge is concave; the opposite side of the concave is a plane, and the plane coincides with the plane of the first concave wedge, and is connected to the first concave wedge through the plane;

所述的超声相控阵探头的顶部四角各设置了至少一个第一螺钉与凸形楔块相连接；The top four corners of the ultrasonic phased array probe are respectively provided with at least one first screw connected with the convex wedge;

所述的凸形楔块的平面四角处各设置了至少一个第二螺钉连接凸形楔块、第一凹形楔块和第二凹形楔块；The four corners of the plane of the convex wedge are each provided with at least one second screw to connect the convex wedge, the first concave wedge and the second concave wedge;

所述的辅助杆的端头与凸形楔块平面的安装孔配合连接；The end of the auxiliary rod is matched with the mounting hole of the convex wedge plane;

所述的辅助杆的连接端可以按不同角度弯曲。The connecting end of the auxiliary rod can be bent at different angles.

本发明的有益成果：本发明由于将不同形状的楔块相组合，且在楔块上设置了紧配合辅助杆端头的安装孔，这样便可以根据实际检测工件的需要来选择凸面楔块、凹面楔块或平面楔块进行检测，并且不需要频繁的更换楔块，这就为全方位的对复杂曲面进行探伤，扫除检测盲区创造了条件；还能够通过检测人员手持与楔块紧配合的辅助杆实现对工件较高或较低处的检测，这使得整个检测过程变的简单方便，安全有效，既能保证检测效率，又能提高检测的安全性。Beneficial results of the present invention: the present invention combines wedges of different shapes, and a mounting hole that closely fits the end of the auxiliary rod is provided on the wedges, so that the convex wedge, Concave wedges or flat wedges are used for detection, and the wedges do not need to be replaced frequently, which creates conditions for all-round flaw detection of complex curved surfaces and eliminates blind spots in detection; The auxiliary rod realizes the detection of the higher or lower part of the workpiece, which makes the whole detection process simple, convenient, safe and effective, which can not only ensure the detection efficiency, but also improve the safety of the detection.

附图说明Description of drawings

图1为本专利探头与楔块相连接的整体结构示意图；Fig. 1 is the overall structure schematic diagram that the patent probe is connected with the wedge;

图2为本专利探头与楔块相连接的主视图；Fig. 2 is the front view that the patent probe is connected with the wedge;

图3为本专利探头与楔块相连接的左视图。Fig. 3 is the left side view of the patent probe connected with the wedge.

1、超声相控阵探头，2、电缆线，3、连接头，4、第一螺钉，5、辅助杆端头的安装孔，6、第二螺钉，7、凸形楔块，8、第一凹形楔块，9、第二凹形楔块，P、辅助杆。1. Ultrasonic phased array probe, 2. Cable, 3. Connector, 4. First screw, 5. Mounting hole at the end of auxiliary rod, 6. Second screw, 7. Convex wedge, 8. Second One concave wedge, 9, the second concave wedge, P, auxiliary rod.

具体实施方案specific implementation plan

下面结合附图对本发明进行详细说明。The present invention will be described in detail below in conjunction with the accompanying drawings.

如图1、图2、图3所示，一种适用于复杂曲面兼具辅助杆的多功能超声探伤楔块，既能实现复杂曲面和焊接拐弯处的检测，又能实现工件较高较低处的检测。该楔块包括超声相控阵1、连接头3、电缆线2、凸形楔块7、第一凹形楔块8和第二凹形楔块9；连接头3设置在该超声相控阵探头1上表面中间位置，连接头3上连接有电缆线2，在超声相控阵探头1的下底面设置了凸形楔块7,所述的凸形楔块7的长边长度大于超声相控阵探头1长边长度，所述的凸形楔块7的短边长度等于超声相控阵探头1短边长度；超声相控阵探头1与凸形楔块7的平面固定连接，所述的凸形楔块7的平面设有紧配合辅助杆P端头的安装孔5；在该凸形楔块7的下部设置了第一凹形楔块8，第一凹形楔块8一面为凹面，该凹面的对面为平面，且该凹面与凸形楔块7的凸面相吻合，并通过该凹面与凸形楔块7连接，在该第一凹形楔块8的下部设置了一个第二凹形楔块9，第二凹形楔块9一面为凹面，该凹面的对面为平面，且该平面与第一凹形楔块8的平面相吻合，并通过该平面与第一凹形楔块8相连接，在超声相控阵探头1的顶部四角各设置了至少一个第一螺钉4与凸形楔块7相连接，在该凸形楔块7的平面四角处各设置了至少一个第二螺钉6连接上述的凸形楔块7、第一凹形楔块8和第二凹形楔块9。As shown in Figure 1, Figure 2, and Figure 3, a multi-functional ultrasonic flaw detection wedge suitable for complex curved surfaces and auxiliary rods can not only realize the detection of complex curved surfaces and welding corners, but also achieve higher and lower workpieces. detection. The wedge includes an ultrasonic phased array 1, a connector 3, a cable 2, a convex wedge 7, a first concave wedge 8 and a second concave wedge 9; the connector 3 is arranged on the ultrasonic phased array In the middle of the upper surface of the probe 1, the cable 2 is connected to the connector 3, and a convex wedge 7 is arranged on the lower surface of the ultrasonic phased array probe 1, and the length of the long side of the convex wedge 7 is longer than that of the ultrasonic phased array probe 1. The length of the long side of the array probe 1, the length of the short side of the convex wedge 7 is equal to the length of the short side of the ultrasonic phased array probe 1; the plane of the ultrasonic phased array probe 1 is fixedly connected with the convex wedge 7, and the The plane of the convex wedge 7 is provided with the installation hole 5 tightly matching the auxiliary rod P end; the first concave wedge 8 is set at the bottom of the convex wedge 7, and one side of the first concave wedge 8 is Concave surface, the opposite of the concave surface is a plane, and the concave surface coincides with the convex surface of the convex wedge 7, and is connected with the convex wedge 7 through the concave surface, and a first concave wedge 8 is provided at the bottom of the first concave wedge 8 Two concave wedges 9, one side of the second concave wedge 9 is a concave surface, and the opposite side of the concave is a plane, and the plane coincides with the plane of the first concave wedge 8, and is connected to the first concave wedge by the plane. The wedges 8 are connected, and at least one first screw 4 is connected to the convex wedge 7 at the top four corners of the ultrasonic phased array probe 1, and at least one screw 4 is respectively arranged at the four corners of the plane of the convex wedge 7. The second screw 6 connects the above-mentioned convex wedge 7 , first concave wedge 8 and second concave wedge 9 .

在实际检测过程中：During actual testing:

1.当检测复杂曲面的凹面时，通过第一螺钉4将超声相控阵探头1与凸形楔块7的平面相连接，并且在两者的接触面上涂抹适当的耦合剂，可以用凸形楔块7的凸面来检测复杂曲面的凹面；1. When detecting the concave surface of a complex curved surface, connect the ultrasonic phased array probe 1 with the plane of the convex wedge 7 through the first screw 4, and apply an appropriate coupling agent on the contact surface of the two, which can be used with convex The convex surface of the shaped wedge 7 is used to detect the concave surface of the complex curved surface;

2.当检测复杂曲面的平直面时，在上述1的基础上再通过第二螺钉6将凸形楔块7的凸面与第一凹形楔块8的凹面相连接，并且在两者的接触面上涂抹适当的耦合剂，保证凸形楔块7的凸面与第一凹形楔块8的凹面完全吻合，可以用第一凹形楔块8的平面来检测复杂曲面的平直面；2. When detecting the flat surface of a complex curved surface, on the basis of the above 1, connect the convex surface of the convex wedge 7 with the concave surface of the first concave wedge 8 through the second screw 6, and in the contact between the two Appropriate couplant is applied on the surface to ensure that the convex surface of the convex wedge 7 is completely consistent with the concave surface of the first concave wedge 8, and the plane of the first concave wedge 8 can be used to detect the flat surface of the complex curved surface;

3.当检测复杂曲面的凸面时，在上述1、2的基础上仍然通过第二螺钉6将第二凹形楔块9的平面与第一凹形楔块8的平面相连接，可以用第二凹形楔块9的凹面检测复杂曲面的凸面；3. When detecting the convex surface of a complex curved surface, on the basis of the above 1 and 2, the plane of the second concave wedge 9 is still connected with the plane of the first concave wedge 8 through the second screw 6, and the first concave wedge 8 can be used. The concave surface of the two concave wedges 9 detects the convex surface of the complex curved surface;

4.当检测工件略高于人手直接触及处时，可以根据需要将辅助杆P的端头插入到辅助杆P端头的安装孔5，来实现工件较高较低处的检测，且辅助杆P的连接端可以按不同角度弯曲，进行灵活检测，具体实施时可以根据实际情况选择不同长度的辅助杆P或者选择可以伸缩的辅助杆P。4. When the detected workpiece is slightly higher than the direct touch of the human hand, the end of the auxiliary rod P can be inserted into the installation hole 5 of the end of the auxiliary rod P according to the need to realize the detection of the higher and lower parts of the workpiece, and the auxiliary rod The connecting end of P can be bent according to different angles for flexible detection. During specific implementation, auxiliary rods P of different lengths or telescopic auxiliary rods P can be selected according to actual conditions.

Claims (5)

1. The utility model provides a multi-functional ultrasonic flaw detection voussoir that is applicable to complicated curved surface and has auxiliary rod concurrently which characterized in that: the ultrasonic phased array probe comprises an ultrasonic phased array probe, a connector, a cable, a convex wedge block, a first concave wedge block and a second concave wedge block;
the connector is arranged in the middle of the upper surface of the ultrasonic phased array probe, a cable is connected to the connector, a convex wedge is arranged on the lower bottom surface of the ultrasonic phased array probe, the length of the long side of the convex wedge is larger than that of the long side of the ultrasonic phased array probe, and the length of the short side of the convex wedge is equal to that of the short side of the ultrasonic phased array probe; the ultrasonic phased array probe is fixedly connected with the plane of the convex wedge block, and the plane of the convex wedge block is provided with a mounting hole which is tightly matched with the end head of the auxiliary rod; the lower part of the convex wedge block is provided with a first concave wedge block which is matched with the convex wedge block, and the lower part of the first concave wedge block is provided with a second concave wedge block; the convex wedge block is semi-cylindrical in shape;
one surface of the first concave wedge block is a concave surface; the opposite surface of the concave surface is a plane, and the concave surface is matched with the convex surface of the convex wedge block and is connected with the convex wedge block through the concave surface;
one surface of the second concave wedge block is a concave surface; the opposite surface of the concave surface is a plane which is matched with the plane of the first concave wedge block and is connected with the first concave wedge block through the plane.
2. The multifunctional ultrasonic flaw detection wedge block applicable to complex curved surfaces and provided with auxiliary rods as claimed in claim 1, wherein the multifunctional ultrasonic flaw detection wedge block is characterized in that: at least one first screw is arranged at four corners of the top of the ultrasonic phased array probe and connected with the convex wedge block.
3. The multifunctional ultrasonic flaw detection wedge block applicable to complex curved surfaces and provided with auxiliary rods as claimed in claim 1, wherein the multifunctional ultrasonic flaw detection wedge block is characterized in that: at least one second screw is arranged at each of four corners of the plane of the convex wedge block to be connected with the convex wedge block, the first concave wedge block and the second concave wedge block.
4. The multifunctional ultrasonic flaw detection wedge block applicable to complex curved surfaces and provided with auxiliary rods as claimed in claim 1, wherein the multifunctional ultrasonic flaw detection wedge block is characterized in that: the end head of the auxiliary rod is connected with the mounting hole of the convex wedge block plane in a matched mode.
5. The multifunctional ultrasonic flaw detection wedge block applicable to complex curved surfaces and provided with auxiliary rods as claimed in claim 4, wherein the multifunctional ultrasonic flaw detection wedge block is characterized in that: the connecting end of the auxiliary rod can be bent at different angles.
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