CN222144941U - Ultrasonic phased array probing assembly for weld joint scanning - Google Patents
Ultrasonic phased array probing assembly for weld joint scanning Download PDFInfo
- Publication number
- CN222144941U CN222144941U CN202420178157.2U CN202420178157U CN222144941U CN 222144941 U CN222144941 U CN 222144941U CN 202420178157 U CN202420178157 U CN 202420178157U CN 222144941 U CN222144941 U CN 222144941U
- Authority
- CN
- China
- Prior art keywords
- probe
- phased array
- scanning
- assembly
- ultrasonic phased
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
一种用于焊缝扫查的超声相控阵探查组件，用于核电站大径管异种金属焊缝扫查，包括探头和楔块，所述探头包括探头本体、固定部和出线口，所述探头本体下部设置有连接斜面，所述连接斜面用以与楔块相配合；所述固定部，用以与楔块固定连接；所述出线口，作为探头的线缆连接口；所述楔块包括连接部，所述连接部为斜面，所述连接部用以与所述连接斜面相配合，所述楔块与所述探头纵向装配连接。本实用新型具有探查组件体积小，电缆线出线方式灵活，探查组件构造新颖等优点。
An ultrasonic phased array detection component for weld scanning is used for scanning dissimilar metal welds of large diameter pipes in nuclear power plants, comprising a probe and a wedge. The probe comprises a probe body, a fixing portion and a wire outlet. A connecting bevel is provided at the lower portion of the probe body, and the connecting bevel is used to match the wedge; the fixing portion is used to be fixedly connected to the wedge; the wire outlet serves as a cable connection port of the probe; the wedge comprises a connecting portion, and the connecting portion is a bevel, and the connecting portion is used to match the connecting bevel. The wedge is longitudinally assembled and connected to the probe. The utility model has the advantages of small size of the detection component, flexible cable outlet mode, and novel structure of the detection component.
Description
Technical Field
The utility model relates to the technical field of in-service inspection of nuclear power stations, in particular to an ultrasonic phased array exploration assembly for weld joint scanning.
Background
The welding seam of the large-diameter pipe made of the steel material is traditionally detected by adopting methods such as radial detection, conventional ultrasonic detection and the like, and because the radial detection has small pipe row spacing, the effective detection range is limited only by transilluminating once in most times, and the welding seam is limited by a detection blind area and is limited by a crack detection angle and insensitive to cracks. The radiation detection has radiation damage, can not work with other work types at the same time, needs to occupy the construction period, but has better detection effect than the traditional ultrasonic detection. Meanwhile, negative films are required to be consumed in ray detection, and compared with other detection methods, the problems of high cost and the like are also caused. The conventional ultrasonic detection technology needs multi-probe combined detection, is long in time consumption, seriously affects the construction period during maintenance, has poor detection effect of defects due to a plurality of influencing factors in the weld joint, and has the characteristic of being capable of operating simultaneously with other maintenance.
At present, the ultrasonic phased array detection technology is an advanced ultrasonic detection new technology which is rapidly developed and widely applied, compared with the conventional ultrasonic detection technology, the ultrasonic phased array detection technology can realize multi-angle and multi-azimuth scanning of a detection object by setting different focusing rules, display signals as visual images, and has relatively higher detection sensitivity, so that the ultrasonic phased array detection technology is widely applied to detection of various complex structural members.
The ultrasonic phased array detection technology has the characteristics of simultaneous operation with other detection and maintenance, visual imaging, high detection efficiency, good defect detection effect and the like. Because the ultrasonic phased array detection technology adopts an electronic method to control the focusing and scanning of the sound beam, the detection speed is high, the ultrasonic phased array detection technology has good sound beam accessibility, and the thin-wall workpiece can be probed. And the detection resolution, the signal to noise ratio and the sensitivity can be improved by optimally controlling the focal point size, the focusing depth and the sound beam direction, the simulation imaging technology is provided, the true characteristic position of the defect can be visually represented, the detection result is visual, and the full record of the detection data can be realized. The ultrasonic phased array detection technology has gradually become an important detection method for detecting the weld joint of the large-diameter pipe.
When the welding line detection is carried out on a large-diameter pipe in a nuclear power field, due to the design structural reasons (a pipeline is connected with a valve, a tee joint, an elbow and the like), the ultrasonic detection is unreachable on one side, the requirement of double-side scanning of the welding line in the standard specification cannot be met, and if only the ultrasonic single-side scanning is carried out in the detection process, risks of defect missing detection, inaccurate quantitative evaluation of the defects and the like exist, so that the special phased array probe is adopted to become an effective means in the detection of a limited space.
In view of the above, the present inventors devised an ultrasonic phased array probe assembly for weld scanning in an attempt to overcome the above-mentioned problems.
Disclosure of utility model
The utility model aims to overcome the defect that in the prior art, when a welding line of a large-diameter pipe is detected in a nuclear power site, due to a design structure, single side of ultrasonic detection is unreachable and the requirement of double-side scanning of the welding line in standard specification cannot be met, and provides an ultrasonic phased array exploration assembly for welding line scanning.
The utility model solves the technical problems by the following technical proposal:
The utility model provides an ultrasonic phased array exploration assembly for weld joint scanning, which is characterized by comprising a probe and a wedge block, wherein the probe comprises a probe body, a fixing part and an outlet, the lower part of the probe body is provided with a connecting inclined plane which is used for being matched with the wedge block, the fixing part is used for being fixedly connected with the wedge block, the outlet is used as a cable connection port of the probe, the wedge block comprises a connecting part which is an inclined plane, the connecting part is used for being matched with the connecting inclined plane, and the wedge block is longitudinally assembled and connected with the probe.
According to one embodiment of the utility model, the outlet is arranged on the side surface of the probe body and is positioned on a vertical plane adjacent to the connecting inclined plane.
According to one embodiment of the utility model, the outlet protrudes outwardly at the side of the probe body.
According to one embodiment of the utility model, the protruding direction of the outlet is the same as the acoustic wave propagation direction of the probe.
According to one embodiment of the utility model, the ultrasonic phased array probe assembly has an assembly dimension of 15mm in width and 19.5mm in height.
According to one embodiment of the utility model, the ultrasonic phased array probe assembly has an assembly dimension of 22mm in length.
According to one embodiment of the utility model, the probe is a self-focusing linear array probe.
According to one embodiment of the utility model, the fixing part is a fixing screw hole, and the probe and the wedge block are assembled and fixed through the cooperation of the fixing screw hole and a screw.
According to one embodiment of the utility model, the probe is provided with a water injection hole, the wedge block is provided with a water outlet groove, and the water injection hole is connected with the water outlet groove through a flow passage.
According to one embodiment of the utility model, the bottom of the wedge block is a curved surface, and can be matched with the surface of the large-diameter pipe to be scanned in a fitting way.
The utility model has the positive progress effects that:
the ultrasonic phased array exploration assembly for weld joint scanning has at least the following advantages:
The utility model is mainly applied to the scanning of the large-diameter pipe of the nuclear power station and has the advantages of small volume of the probing assembly, flexible cable outgoing mode, novel structure of the probing assembly and the like. The probe assembly may enable scanning in a smaller space than conventionally constructed probe assemblies, reducing unreachable areas for large diameter tube scanning.
Drawings
The above and other features, properties and advantages of the present utility model will become more apparent from the following description of embodiments taken in conjunction with the accompanying drawings in which like reference characters designate like features throughout the drawings, and in which:
FIG. 1 is a schematic perspective view of an ultrasonic phased array probe assembly for weld scanning of the present utility model.
Fig. 2A is a schematic side view of an ultrasonic phased array probe assembly for weld scanning of the present utility model.
Fig. 2B is a schematic top view of an ultrasonic phased array probe assembly for weld scanning of the present utility model.
FIG. 3 is a schematic cross-sectional view of an ultrasonic phased array probe assembly for weld scanning of the present utility model.
FIG. 4 is a schematic illustration of the ultrasonic phased array probe assembly of the present utility model mated with a chain scanning frame mount for weld scanning.
Fig. 5A is a schematic perspective view of an ultrasonic phased array probe of the prior art.
Fig. 5B is a schematic top view of an ultrasound phased array probe of the prior art.
Fig. 5C is a schematic side view of an ultrasonic phased array probe of the prior art.
Fig. 6 is a schematic diagram of the probe and wedge mounting of an ultrasonic phased array probe assembly of the prior art.
[ Reference numerals ]
Probe 100
Probe body 110
Connection bevel 111
Fixing portion 120
Outlet 130
Water injection hole 140
Wedge 200
Connection portion 210
Water outlet groove 220
Flow channel 230
Chain type scanning frame 300
Probe holder 310
Locking switch 320
Encoder 330
Detailed Description
In order to make the above objects, features and advantages of the present utility model more comprehensible, embodiments accompanied with figures are described in detail below.
Embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. Furthermore, although terms used in the present utility model are selected from publicly known and commonly used terms, some terms mentioned in the present specification may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Furthermore, it is required that the present utility model is understood, not simply by the actual terms used but by the meaning of each term lying within.
As shown in fig. 1 to 3, the utility model provides an ultrasonic phased array probe assembly for weld joint scanning, which is used for scanning dissimilar metal weld joints of large-diameter pipes of a nuclear power station and comprises a probe 100 and a wedge block 200.
The probe 100 includes a probe body 110, a fixing portion 120, and a wire outlet 130.
The lower part of the probe body 110 is provided with a connection inclined plane 111, and the connection inclined plane 111 is used for being matched with the wedge 200.
The fixing portion 120 is fixedly connected to the wedge 200.
The outlet 130 serves as a cable connection port for the probe 100.
The wedge 200 includes a connection portion 210, the connection portion 210 is an inclined surface, the connection portion 210 is used to cooperate with the connection inclined surface 111, and the wedge 200 is longitudinally assembled and connected with the probe 100.
The longitudinal assembly connection, i.e. the probe 100 after assembly is completed extends vertically upwards compared to the wedge 200.
As shown in fig. 6, a conventional ultrasonic phased array probe assembly is provided, in which a probe 100 is assembled with a wedge 200 in a transverse assembly manner, so that the probe 100 of the ultrasonic phased array probe assembly occupies a large space.
The probe 100 and the wedge 200 of the ultrasonic phased array probe assembly for weld joint scanning are longitudinally assembled, and compared with the traditional probe assembly for transversely assembling the probe, the novel probe assembly reduces the occupied space of the probe 100, and is suitable for operation in limited space on site.
The ultrasonic phased array probe assembly for weld scanning of the present utility model provides significant advantages over conventional transversely assembled phased array probe assemblies, such as for inspection where the weld side is limited from the pipe edge space. The phased array probe assembly of the conventional transverse assembly structure requires twice or more width in the detection direction than the phased array ultrasonic probe assembly of the present utility model under the same array element area.
As shown in fig. 1 to 3, as a preferred embodiment of the ultrasonic phased array probe assembly for weld scanning of the present utility model, a wire outlet 130 is provided at a side of the probe body 110 on a vertical plane C adjacent to the connection bevel 111.
Preferably, the outlet 130 protrudes outwardly at the side of the probe body 110.
Preferably, the protruding direction of the outlet 130 is the same as the acoustic wave propagation direction of the probe 100.
As shown in fig. 1-3, the protruding direction of the outlet 130 is the same as the protruding direction of the wedge 200 on the ultrasonic phased array probe assembly.
As shown in fig. 5A to 5C, a conventional arrangement of the outlet 130 is shown, in which the outlet 130 is disposed on a vertical plane D opposite to the connection inclined plane 111.
The wire outlet 130 of the ultrasonic phased array probe assembly for weld joint scanning adopts a wire outlet mode of side wire outlet, and compared with the traditional left and right wire outlet mode, the wire outlet 130 can change the trend of the cable wires more flexibly according to the arrangement condition and the detection space of the field probe 100, thereby adapting to the requirements of field detection. The flexible wire outlet direction enables the probe 100 to have more choices of installation positions in a specific working environment due to the adoption of the wire outlet mode of the side wire outlet.
As shown in fig. 2A to 2B, as a preferred embodiment of the ultrasonic phased array probe assembly for weld scanning of the present utility model, the ultrasonic phased array probe assembly has an assembly dimension of 15mm in width and 19.5mm in height.
Further preferably, the ultrasonic phased array probe assembly is 22mm in length in assembly dimension.
Because the probe 100 and the wedge block 200 of the ultrasonic phased array probe assembly for welding seam scanning have small assembly volume, the whole assembly size is only 15mm multiplied by 19.5mm, and the probe assembly with small size is convenient to assemble on the chain type scanning frame 300, so that the subsequent automatic scanning function on a large-diameter pipe is realized.
As a preferred embodiment of the ultrasonic phased array probe assembly for weld scanning of the present utility model, probe 100 is a self-focusing linear array probe.
The self-focusing linear array probe can transmit and receive sound waves through only one probe 100.
As shown in fig. 1 to 2A, as a preferred embodiment of the ultrasonic phased array probe assembly for weld scanning of the present utility model, the fixing portion 120 is a fixing screw hole, through which the probe 100 and the wedge 200 are assembled and fixed in cooperation with a screw.
The connection mode of the fixing screw hole and the screw for assembly and fixation has the characteristic of easy disassembly, and is convenient for maintenance and replacement of the probe 100 and the wedge block 200.
As shown in FIG. 3, as a preferred embodiment of the ultrasonic phased array probe assembly for weld scanning of the present utility model, a water injection hole 140 is formed in a probe 100, a water outlet groove 220 is formed in a wedge 200, and the water injection hole 140 is connected with the water outlet groove 220 through a flow channel 230.
When the probe is used, one end of the water pipe is connected with the water injection hole 140 of the probe 100, the other end of the water pipe is externally connected with the water pump, the water pump is started to inject deionized water serving as a coupling agent into the probe 100 at the beginning of scanning, and the deionized water flows out from the water outlet groove 220 of the wedge block 200, so that the coupling effect in the scanning process is realized. The novel couplant adding mode is more beneficial to the addition of the couplant in the scanning process, so that the coupling effect of the probe 100 can meet the detection requirement.
As a preferred embodiment of the ultrasonic phased array probe assembly for weld joint scanning, the bottom of the wedge block 200 is a curved surface and can be matched with the surface of a large-diameter pipe to be scanned in a fitting way.
The design of the curved surface can better adapt to the shapes and the sizes of various large-diameter pipes, and the scanning precision and the scanning stability are improved.
The ultrasonic phased array exploration assembly for weld joint scanning is concretely implemented when being used on site, and comprises the following steps:
Step one, installing a probing assembly, namely selecting a wedge block 200 matched with a pipe according to the size of a detected pipe diameter, coating engine oil coupling at the contact position of a probe 100 and the wedge block 200, fixing the probe 100 and the wedge block 200 by using screws, installing the probe 100 at the probe clamping position of a chain type scanning frame 300, connecting a water pipe led out by a water pump to a water injection hole 140 of the probe 100, and connecting the probe 100 to an ultrasonic phased array detector.
And step two, installing a chain type scanning frame, namely selecting the specification and the length of a chain according to the size of the detected pipe diameter, and adjusting the locking switch 320 to enable the wedge block 200 to be attached to the surface of the pipe and the chain to be in a tight state after the length of the chain meets the requirement of encircling the pipe for a certain margin.
And thirdly, starting scanning, namely starting a water pump, and turning a scanning frame to start scanning when deionized water flows out of the water outlet groove 220 of the wedge block 200.
As shown in fig. 4, a chain type scanning frame 300 is schematically configured, and includes a probe holder 310, a locking switch 320, an encoder 330, and the like.
When the large-diameter tube is scanned, the chain type scanning frame 300 shown in fig. 4 is installed on the outer wall of the large-diameter tube in a surrounding mode, and the scanning frame is attached to the outer wall of the large-diameter tube by adjusting the locking switch 320 on the chain type scanning frame 300.
The ultrasonic phased array probe assembly for weld scanning of the present utility model is installed at position a of the chain scanning jig 300 shown in fig. 4 in normal use.
According to the requirement, an ultrasonic phased array probing assembly can be additionally arranged at the position B of the probe clamping frame 310, and the function of clamping the probing assembly at the position B is to realize the opposite direction simultaneous scanning of two sides of the welding line.
The traditional detection technology is not ideal due to the structural reasons of the large-diameter pipe workpiece and the influence of the on-site working conditions, so that the detection effect is improved by combining the existing detection technology and reusing the ultrasonic phased array detection method. The ultrasonic phased array probe assembly for weld joint scanning changes the traditional probe assembly mode, is convenient to assemble on the chain type scanning frame 300, changes the traditional probe wire outlet mode, reduces the overall size of the probe assembly, and is convenient to install and detect the chain type scanning frame 300 and the probe assembly in a limited space.
The ultrasonic phased array probe assembly for the weld joint scanning is mainly applied to the scanning of the large-diameter pipe of the nuclear power station, and has the characteristics of small volume, flexible cable outgoing mode, novel structure and the like. The probe assembly may enable scanning in a smaller space than conventionally constructed probe assemblies, reducing unreachable areas for large diameter tube scanning.
The utility model has the advantages that the detection operation in a limited space is mainly realized, for the detection of the dissimilar metal weld joint of the large-diameter pipe, when the weld joint is positioned at the proximal end part of the pipe, the traditional transverse assembly detection assembly cannot finish the scanning of one side of the weld joint within a limited length range due to overlong width, and the side wire outlet probe adopted by the utility model adopts longitudinal assembly, so that the width of the detection assembly is greatly reduced, and the detection assembly is allowed to realize the scanning of one side of the weld joint within a limited range.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.
Claims (10)
1. An ultrasonic phased array exploration assembly for weld joint scanning is characterized in that the ultrasonic phased array exploration assembly is used for the dissimilar metal weld joint scanning of a large-diameter pipe of a nuclear power station and comprises a probe and a wedge block,
The probe comprises a probe body, a fixing part and an outlet,
The lower part of the probe body is provided with a connecting inclined plane which is used for being matched with the wedge block;
The fixing part is used for being fixedly connected with the wedge block;
the wire outlet is used as a cable connection port of the probe;
The wedge comprises a connecting part, wherein the connecting part is an inclined surface and is used for being matched with the connecting inclined surface, and the wedge is longitudinally assembled and connected with the probe.
2. The ultrasonic phased array probe assembly for weld scanning of claim 1, wherein the outlet is disposed on a side of the probe body on a vertical plane adjacent to the connection bevel.
3. The ultrasonic phased array probe assembly for weld scanning of claim 2, wherein the outlet protrudes outwardly from the side of the probe body.
4. An ultrasonic phased array probe assembly for weld scanning as claimed in claim 3, wherein the direction of projection of the outlet is the same as the direction of acoustic propagation of the probe.
5. The ultrasonic phased array probe assembly for weld scanning of claim 4, wherein the ultrasonic phased array probe assembly has an assembly dimension of 15mm wide and an assembly dimension of 19.5mm high.
6. The ultrasonic phased array probe assembly for weld scanning of claim 5, wherein the ultrasonic phased array probe assembly has an assembly dimension of 22mm in length.
7. The ultrasonic phased array probe assembly for weld scanning of claim 1, wherein the probe is a self-focusing linear array probe.
8. The ultrasonic phased array probe assembly for weld scanning of claim 1, wherein the fixing portion is a fixing screw hole, and the probe and the wedge are assembled and fixed through the fixing screw hole and a screw.
9. The ultrasonic phased array probe assembly for weld joint scanning of claim 1, wherein the probe is provided with a water injection hole, the wedge is provided with a water outlet groove, and the water injection hole is connected with the water outlet groove through a flow passage.
10. The ultrasonic phased array probe assembly for weld scanning of claim 1, wherein the bottom of the wedge is curved to fit snugly against the surface of the large diameter pipe to be scanned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420178157.2U CN222144941U (en) | 2024-01-24 | 2024-01-24 | Ultrasonic phased array probing assembly for weld joint scanning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420178157.2U CN222144941U (en) | 2024-01-24 | 2024-01-24 | Ultrasonic phased array probing assembly for weld joint scanning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222144941U true CN222144941U (en) | 2024-12-10 |
Family
ID=93733061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420178157.2U Active CN222144941U (en) | 2024-01-24 | 2024-01-24 | Ultrasonic phased array probing assembly for weld joint scanning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222144941U (en) |
-
2024
- 2024-01-24 CN CN202420178157.2U patent/CN222144941U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108562647B (en) | Ultrasonic testing device and method of polyethylene pipeline hot-melt butt joint combined with PA-TOFD | |
| CN101558297B (en) | Ultrasonic testing methods for threaded joints of pipes or tubes | |
| US8113055B2 (en) | Method for evaluating fastening state of threaded joint of pipes or tubes and method for fastening threaded joint of pipes or tubes using the method | |
| US7690257B2 (en) | Method and device for checking a welding seam present at one of the interior surfaces of a reactor pressure vessel | |
| CN106198740A (en) | An automatic phased array ultrasonic testing method for the weld seam of nuclear power plant main pipeline | |
| CN110988139A (en) | Phased array ultrasonic detection method for welding buoy base plate and sampan | |
| US5377237A (en) | Method of inspecting repaired stub tubes in boiling water nuclear reactors | |
| CN107607620B (en) | mooring chain phased array ultrasonic inspection method | |
| CN222144941U (en) | Ultrasonic phased array probing assembly for weld joint scanning | |
| CN105911142A (en) | Friction stirring welding phased array detection device and method of aluminum alloy hollow sectional material | |
| US10564131B2 (en) | Water wedge for flexible probe | |
| CN111458415B (en) | Method for detecting coupling state of ultrasonic phased array transducer and workpiece to be detected | |
| CN113376255A (en) | Full-automatic ultrasonic detection method for laser-arc hybrid welding circumferential weld of steel pipe | |
| CN219320168U (en) | Ultrasonic phased array device for detecting PE pipeline hot melt joint | |
| CN216747577U (en) | Scanning device for in-service ultrasonic detection of butt weld of welded steel pipe | |
| Long et al. | Further development of a conformable phased array device for inspection over irregular surfaces | |
| CN112326798B (en) | Ultrasonic detection method for crane T-shaped weld joint region defects | |
| JPH08240570A (en) | Method for inspecting tightening bolt with hexagon socket | |
| CN114563472A (en) | Valve sealing weld joint water coupling ultrasonic nondestructive testing method and system | |
| Long et al. | Phased array inspection of irregular surfaces | |
| CN113155965A (en) | Single-side single-side phased array ultrasonic detection method for dissimilar steel welding seam of small-diameter pipe | |
| CN112083069A (en) | Single-channel piezoelectric transducer ultrasonic guided wave detection device and detection method | |
| CN114047257B (en) | A diffraction time-of-flight ultrasonic detection method and device with dual probes placed on the same side | |
| CN112444560B (en) | Valve drift diameter ultrasonic phased array detection method and system for gas production tree/christmas tree | |
| CN118311147B (en) | Multi-probe ultrasonic imaging detection method for bonding nonmetallic anti-corrosion layer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |