CN113325082A - Array type ultrasonic detection device for welding seam of prestressed pipe pile - Google Patents
Array type ultrasonic detection device for welding seam of prestressed pipe pile Download PDFInfo
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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
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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
- G01N29/225—Supports, positioning or alignment in moving situation
- G01N29/226—Handheld or portable devices
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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
- G01N29/24—Probes
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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
- G01N29/26—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
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- 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
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Abstract
The invention relates to the technical field of building construction quality detection, in particular to an array type ultrasonic detection device for a prestressed pipe pile weld joint, wherein a hoisting assembly is arranged on the bottom surface of a detection bracket, the hoisting assembly comprises a first hoisting assembly and a plurality of second hoisting assemblies, the first hoisting assembly and the second hoisting assemblies are arranged in parallel, the second hoisting assemblies are linearly arranged along a weld joint to be detected, an ultrasonic straight probe for detecting the root part of the weld joint to be detected and the inside of the weld joint is arranged on the first hoisting assembly, an ultrasonic inclined probe group for detecting a groove of the weld joint to be detected is arranged on each second hoisting assembly, and the weld joint detection is carried out by moving the detection bracket on the weld joint to be detected by hand, so that the weld joint problems of the prestressed pipe pile, such as cracks, slag inclusion, incomplete penetration, incomplete fusion and the like, can be accurately and effectively detected, and the engineering quality and safety are ensured, the detection method provided by the invention is simple, convenient and quick, and has strong operability in the actual construction process.
Description
Technical Field
The invention relates to the technical field of building construction quality detection, in particular to an array type ultrasonic detection device for a prestressed pipe pile weld joint.
Background
With the development of economic construction and the continuous improvement of the technical level of engineering construction in China, the requirement of modern civil engineering on foundation foundations is higher and higher. The prestressed pipe pile has the advantages of wide application range, high single-pile bearing capacity, reliable pile forming, good bending and cracking resistance, high economic benefit, environmental protection requirement meeting, convenience in detection and the like, and is more and more widely applied to foundation treatment engineering.
However, the prestressed pipe pile has the disadvantage of limited design length of a single pipe pile in the aspect of construction process, so in the actual construction process, the pipe pile needs to be connected by adopting a welding technology. However, the actual checking of the welding process and the integrity detection of the pile foundation based on vertical welding finds that for a multistage tubular pile, the welding problem easily occurs at the joint of the pile body, such as the occurrence of welding defects of incomplete penetration, incomplete fusion, air holes and the like, and meanwhile, the impact of the construction method of the tubular pile on the tubular pile is also large, so that the welded joint crack and even fracture are easily caused on the welded tubular pile, and the bearing capacity, stability and the like of the pile foundation are directly influenced. Therefore, the detection of the weld joint of the prestressed pipe pile is very necessary.
At present, in a large number of pipe pile constructions, because a specific detection method given by specifications is not clear, the detection of the quality of an entity welding seam has uncertainty. In a common weld joint nondestructive detection method, ray detection mainly detects internal defects of a weld joint, has higher sensitivity to volume defects, but adopts ray detection of tubular pile weld joints, and qualified weld joint images cannot be obtained on films; the magnetic powder detection mainly detects surface and near-surface defects; the penetration detection mainly detects the opening defect on the surface, and the penetration detection of the welding seam of the tubular pile has low detection efficiency and difficult defect identification; the ultrasonic detection mainly detects the internal defects of the welding seam, has higher sensitivity to the area defects, but adopts the conventional ultrasonic detection welding seam, can only detect the defects of a small range of the root part of the welding seam, and has missing detection.
Disclosure of Invention
The technical scheme adopted by the invention for solving the technical problems is as follows: the array type ultrasonic detection device is used for detecting the prestressed pipe pile weld joint by adopting an ultrasonic detection technology combining an ultrasonic straight probe and an oblique probe, wherein the ultrasonic straight probe is mainly used for detecting the root, and the oblique probe is used for detecting the groove of the weld joint.
The technical scheme adopted by the invention for solving the technical problems is as follows: an array type ultrasonic detection device for a prestressed pipe pile weld joint, which is used for moving along the circumferential direction of a prestressed pipe pile and carrying out efficient and reliable detection on a circumferential weld joint, comprises a detection bracket, wherein both sides of the detection bracket are provided with supporting columns, both ends of the bottom of each supporting column are provided with guide wheels,
install hoist and mount subassembly on the bottom surface of testing support, hoist and mount subassembly includes first hoist and mount subassembly and a plurality of second hoist and mount subassembly, be parallel arrangement between first hoist and mount subassembly and the second hoist and mount subassembly, second hoist and mount subassembly is linear arrangement setting along waiting to detect the welding seam, install on the first hoist and mount subassembly and be used for detecting the ultrasonic straight probe of waiting to detect welding seam root and welding seam inside, install on every second hoist and mount subassembly and be used for detecting the oblique probe group of supersound of waiting to detect the welding seam groove to detect the welding seam through handheld testing support and remove on waiting to detect the welding seam and detect.
Further, the hoisting assembly comprises an upper movable compression structure, a lower movable compression structure, a universal support and wedge blocks, the universal support is mounted at the lower end of the upper movable compression structure, the wedge blocks are mounted on the universal support, the ultrasonic straight probes are mounted on the wedge blocks of the ultrasonic straight probes, each inclined probe of the ultrasonic inclined probe group is mounted on the corresponding wedge block, corresponding probe cables are connected to the ultrasonic straight probes and the ultrasonic inclined probe group respectively, and the ultrasonic straight probes and the ultrasonic inclined probe group cover the weld joint area to be detected with sound beams.
Furthermore, the ultrasonic straight probe is a single crystal rectangular transducer, the wafer size of the ultrasonic straight probe is 8mm, the frequency is 5MHz, and the thickness of a wedge block of the ultrasonic straight probe is 10 mm.
Further, the ultrasonic straight probe is a double-crystal rectangular transducer, the size of a wafer of the ultrasonic straight probe is 8mm, the frequency is 5MHz, the thickness of a wedge block of the ultrasonic straight probe is 10mm, and the sound velocity of the wedge block of the ultrasonic straight probe is 2300 m/s.
Furthermore, the components of the ultrasonic angle probe comprise a first angle probe, a second angle probe, a third angle probe, a fourth angle probe, a fifth angle probe, a sixth angle probe and a seventh angle probe, wherein the critical refraction angle of the first angle probe is 23 degrees +/-5 degrees, the ultrasonic incident angle of the first angle probe is 24 degrees +/-5 degrees, the acoustic wavelength is 1.192mm, and the size of the piezoelectric ceramic is 8 mm;
the second angle probe, the third angle probe, the fourth angle probe, the fifth angle probe, the sixth angle probe and the seventh angle probe are placed in such a way that the refraction angle of the second angle probe is 38.0 degrees +/-5 degrees (transverse wave) and the incidence angle is 26.3 degrees +/-5 degrees; the transverse wave refraction angle and the incidence angle of the third oblique probe are respectively 42.0 degrees +/-5 degrees and 28.8 degrees +/-5 degrees; the transverse wave refraction angle and the incident angle of the fourth oblique probe are respectively 48.0 degrees +/-5 degrees and 32.4 degrees +/-5 degrees; the transverse wave refraction angle and the incidence angle of the fifth oblique probe are respectively 54.0 degrees +/-5 degrees and 35.6 degrees +/-5 degrees; the transverse wave refraction angle and the incidence angle of the sixth oblique probe are respectively 63.0 degrees +/-5 degrees and 39.9 degrees +/-5 degrees; the transverse wave refraction angle of the seventh oblique probe is 77.0 degrees +/-5 degrees, and the incidence angle is 44.6 degrees +/-5 degrees.
Further, the radiation detection sound beams of adjacent probes between the second oblique probe, the third oblique probe, the fourth oblique probe, the fifth oblique probe, the sixth oblique probe and the seventh oblique probe are overlapped by about 15% in the depth direction of the detection region.
Furthermore, the frequency range of the ultrasonic straight probe and the ultrasonic oblique probe group is 5 MHz-10 MHz, and the angle range of the refraction of the transducers of the ultrasonic straight probe and the ultrasonic oblique probe group to the workpiece to be detected is 42-70 degrees.
Furthermore, the wedge block is an organic glass wedge block.
Furthermore, the shape that detects the support is "ten" font, detects the support and includes long board and short slab, sets up the regulation hole that sets up along the transverse direction on the face of short slab, and adjusting bolt has worn in the regulation hole and has fixed on the pillar, and the pillar is adjusted at the regulation hole through adjusting bolt.
Furthermore, in order to operate the detection device conveniently, a handheld handle is further arranged on the top surface of the detection support.
The invention has the advantages that the defects in the background technology are overcome, the welding seam problems of the prestressed pipe pile, such as cracks, slag inclusion, incomplete penetration of welding, incomplete fusion and the like, can be accurately and effectively detected, the industrial problem that the welding seam quality cannot be accurately detected due to the fact that the detection working face is not enough is solved, the engineering quality and safety are ensured, and the detection method provided by the invention is simple, convenient and rapid, and has strong operability in the actual construction process.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic structural view in another aspect of the present invention;
FIG. 3 is a use state reference diagram of the present invention;
FIG. 4 is a weld groove diagram of the present invention;
FIG. 5 is an optical path diagram of the weld groove portions detected by the second, third, fourth, fifth, sixth and seventh angle probes of the present invention.
In the figure: 1. the device comprises a detection support, 2, an up-down movable compaction structure, 3, a universal support, 4, a wedge block, 5, an ultrasonic straight probe, 6, a probe cable, 8, a support column, 9, a guide wheel, 10, a long plate, 11, a short plate, 12, an adjusting hole, 13, an adjusting bolt, 14, a handheld handle, 15, a first inclined probe, 16, a second inclined probe, 17, a third inclined probe, 18, a fourth inclined probe, 19, a fifth inclined probe, 20, a sixth inclined probe, 21, a seventh inclined probe, 22, a first hoisting assembly and 23, a second hoisting assembly.
Detailed Description
The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-3, the array type ultrasonic detection device for the welding seam of the prestressed pipe pile is used for moving along the circumferential direction of the prestressed pipe pile and detecting the circumferential welding seam efficiently and reliably, and comprises a detection support 1, supporting columns 8 are installed on two sides of the detection support 1, guide wheels 9 are installed on two ends of the bottom of each supporting column 8, a hoisting assembly is installed on the bottom surface of the detection support 1, the hoisting assembly comprises a first hoisting assembly 22 and a plurality of second hoisting assemblies 23, the first hoisting assembly 22 and the second hoisting assemblies 23 are arranged in parallel, the second hoisting assemblies 23 are arranged in a linear arrangement along the welding seam to be detected, an ultrasonic straight probe 5 for detecting the root of the welding seam to be detected and the inside of the welding seam is installed on the first hoisting assembly 22, an ultrasonic oblique probe group for detecting the groove of the welding seam to be detected is installed on each second hoisting assembly 23, a handheld handle 14 is further arranged on the top surface of the detection support 1, and the weld joint detection is carried out by moving the hand-held handle 14 on the hand-held detection bracket 1 on the weld joint to be detected.
As shown in fig. 1, the hoisting assembly comprises an upper movable compaction structure 2, a lower movable compaction structure 3, a universal support 3 and a wedge block 4, the universal support 3 is mounted at the lower end of the upper movable compaction structure and the lower movable compaction structure, the wedge block 4 is mounted on the universal support 3, an ultrasonic straight probe 5 is mounted on the wedge block 4, each inclined probe of an ultrasonic inclined probe group is mounted on the corresponding wedge block 4, the wedge block 4 is inclined, so that the probe has an incident angle, the ultrasonic straight probe 5 and the ultrasonic inclined probe group are connected with corresponding probe cables 6 respectively, and the ultrasonic straight probe 5 and the ultrasonic inclined probe group cover the area of a weld to be detected by sound beams.
As shown in fig. 4, the ultrasonic straight probe 5 is placed at the intersection of the center line L1 of the groove and two lines L2 of the groove root straight line, the selection of the ultrasonic straight probe 5 depends on the total bandwidth of the detection channel, if the bandwidth is sufficient, a single crystal probe is used, and if the bandwidth is insufficient, a double crystal probe can be used for detection;
detecting the root of the welding seam: when the ultrasonic straight probe 5 is a single crystal rectangular transducer, the wafer size of the ultrasonic straight probe 5 is 8mm, the frequency is 5MHz, the thickness of the wedge 4 of the ultrasonic straight probe 5 is 10mm, and the thickness of the wedge 4 is reduced as much as possible under the condition that the defect can be effectively detected under a near-surface blind area in the experimental process;
when the ultrasonic straight probe 5 is a double-crystal rectangular transducer, the wafer size of the ultrasonic straight probe 5 is 8mm, the frequency is 5MHz, the thickness of the wedge 4 of the ultrasonic straight probe 5 is 10mm, and the sound velocity of the wedge 4 of the ultrasonic straight probe 5 is 2300 m/s.
The ultrasonic angle probe group adopts critical refracted waves to detect the uppermost part of a groove, the ultrasonic angle probe group comprises a first angle probe 15, a second angle probe 16, a third angle probe 17, a fourth angle probe 18, a fifth angle probe 19, a sixth angle probe 20 and a seventh angle probe 21, the critical refracted angle of the first angle probe 15 is 23 degrees, the ultrasonic incident angle of the first angle probe 15 is 24 degrees, at the moment, the critical refracted longitudinal wave energy reaches the maximum, the sensitivity is the highest, the frequency is 5MHz, the sound wave length is 1.192mm, the size of the piezoelectric ceramics is 8mm, and the gate is used for determining the near surface defect;
the placing parameters of the second inclination probe 16, the third inclination probe 17, the fourth inclination probe 18, the fifth inclination probe 19, the sixth inclination probe 20 and the seventh inclination probe 21 are as follows: the transverse wave refraction angle and the incidence angle of the second inclined probe 16 are respectively 38.0 degrees and 26.3 degrees;
the transverse wave refraction angle and the incidence angle of the third oblique probe 17 are respectively 42.0 degrees and 28.8 degrees;
the transverse wave refraction angle and the incidence angle of the fourth oblique probe 18 are respectively 48.0 degrees and 32.4 degrees;
the transverse wave refraction angle and the incidence angle of the fifth inclined probe 19 are respectively 54.0 degrees and 35.6 degrees;
the transverse wave refraction angle and the incidence angle of the sixth oblique probe 20 are respectively 63.0 degrees and 39.9 degrees;
the seventh angle probe 21 has a transverse refraction angle of 77.0 ° and an incident angle of 44.6 °.
Other placement parameters of the 6 tilt probes are shown in table 1,
table 1:
| second angle probe | Third oblique probe | Fourth angle probe | Fifth Angle Probe | Sixth Angle Probe | Seventh Angle Probe | |
| Depth of near field region | 8.3 | 7.0 | 5.1 | 3.4 | 1.2 | 0 |
| Angle of refraction below-6 db | 41.7° | 45.8° | 52.1° | 58.6° | 68.9° | 90.0° |
| -6db angle of refraction above | 34.4° | 38.3° | 44.1° | 49.8° | 58.0° | 69.1° |
The frequency ranges of the ultrasonic straight probe 5 and the ultrasonic oblique probe group are 5 MHz-10 MHz, the transducers are combined with the wedge block 4 for detection, the wedge block 4 is an organic glass wedge block, each transducer can be integrated with the corresponding wedge block 4, but the angle of each transducer is different, the angle range of the transducer refracting to a workpiece to be detected is 42-70 degrees, and the full coverage of an acoustic beam in a welding line range to be detected is realized by reasonably designing relevant parameters such as the size of the transducer.
Taking the groove diagram of the weld as an example as shown in FIG. 4, the radius a of the toe portion of the weld bead is 6.5 + -0.5 mm, the radius b of the root portion of the weld bead is 5 + -0.5 mm, and the depth h of the weld bead is 17 + -1 mm in the preferred embodiment.
The angle of a specific probe transducer and the size of a probe wafer need to be further calculated, a simulation defect test block is designed and manufactured, a comparison test block is designed and manufactured according to detection requirements, a detection test is carried out and optimized after relevant calibration is carried out, and a final parameter system is formed, namely, adjacent probe radiation detection sound beams among the second inclined probe 16, the third inclined probe 17, the fourth inclined probe 18, the fifth inclined probe 19, the sixth inclined probe 20 and the seventh inclined probe 21 are overlapped by about 15% in the depth direction of a detection area on the premise that the signal-to-noise ratio and the full coverage of the detection range are guaranteed.
The shape that detects support 1 is "ten" font, detects support 1 and includes long slab 10 and short slab 11, sets up the regulation hole 12 that sets up along the transverse direction on the face of short slab 11, has worn adjusting bolt 13 in the regulation hole 12 and fixes on pillar 8, and pillar 8 is adjusted at regulation hole 12 through adjusting bolt 13, and the cross sectional shape of pillar 8 is isosceles trapezoid.
Taking the base material and the welding seam area as an example, the welding seam groove is shown in fig. 4, and the specific detection steps are as follows:
step 1: determining a welding seam area to be detected, namely a welding seam and a heat affected zone, wherein a groove of the heat affected zone is 5mm towards a parent metal, the parent metal and the welding seam area are both low-carbon steel, and the longitudinal wave sound velocity: 5960m/s, shear wave sound velocity: 3230 m/s;
step 2: determining the detection time, polishing the heightened part of the welding seam by using grinding equipment, polishing the residual height to be flush with the adjacent base metal, flattening the detection surface, naturally cooling to below 50 ℃, and keeping the temperature to be +/-15 ℃ different from the detection temperature during calibration;
and step 3: preparing a coupling agent, wherein the coupling agent is water or engine oil and the like, and adopts water spraying type coupling, and a water pump is used for supplying water;
and 4, step 4: the ultrasonic straight probe 5 is mainly used for detecting the root part of a welding seam groove and the inside of the welding seam, and the 7 oblique probes are used for detecting the groove of the welding seam;
and 5: as shown in fig. 3, the hand-held array ultrasonic detection device moves along the weld joint, the ultrasonic straight probe 5 and the ultrasonic oblique probe group are both connected to the detector, ultrasonic waveforms are displayed on the detector, and prompt or alarm is carried out, and each weld joint is scanned twice: namely, the left groove direction and the heat affected zone are scanned for the first time, and the right groove direction and the heat affected zone are scanned for the second time;
step 6: and judging whether the welding seam to be detected of the workpiece to be detected has a defect-free position and a corresponding defect position according to the reflected echoes received by the ultrasonic straight probe 5 and the ultrasonic inclined probe group.
While particular embodiments of the present invention have been described in the foregoing specification, various modifications and alterations to the previously described embodiments will become apparent to those skilled in the art from this description without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides an array ultrasonic detection device of prestressing force tubular pile welding seam for follow prestressing force tubular pile circumference and remove and carry out high-efficient reliable detection to the girth welding seam, its characterized in that: comprises a detection bracket (1), wherein both sides of the detection bracket (1) are provided with a support column (8), both ends of the bottom of the support column (8) are provided with guide wheels (9),
install hoisting assembly on the bottom surface of testing support (1), hoisting assembly includes first hoisting assembly (22) and a plurality of second hoisting assembly (23), be parallel arrangement between first hoisting assembly (22) and second hoisting assembly (23), second hoisting assembly (23) are the linear arrangement setting along treating the welding seam, install on first hoisting assembly (22) and be used for detecting and wait to detect welding seam root and the inside supersound straight probe (5) of welding seam, install on every second hoisting assembly (23) and be used for detecting the oblique probe group of supersound of waiting to detect the welding seam groove, and move on treating to detect the welding seam through handheld testing support (1) and carry out the welding seam and detect.
2. The array type ultrasonic detection device for the weld joint of the prestressed pipe pile as claimed in claim 1, wherein: the hoisting assembly comprises an upper movable compaction structure and a lower movable compaction structure (2), a universal support (3) and wedge blocks (4), the universal support (3) is installed at the lower end of the upper movable compaction structure and the lower movable compaction structure, the wedge blocks (4) are installed on the universal support (3), ultrasonic straight probes (5) are installed on the wedge blocks (4) of the ultrasonic straight probes, each inclined probe of an ultrasonic inclined probe group is installed on the corresponding wedge block (4) respectively, the ultrasonic straight probes (5) and the ultrasonic inclined probe group are connected with corresponding probe cables (6) respectively, and the ultrasonic straight probes (5) and the ultrasonic inclined probe groups cover the area of a weld joint to be detected by sound beams.
3. The array type ultrasonic detection device for the weld joint of the prestressed pipe pile as claimed in claim 2, wherein: the ultrasonic straight probe (5) is a single crystal rectangular transducer, the wafer size of the ultrasonic straight probe (5) is 8mm, the frequency is 5MHz, and the thickness of a wedge block of the ultrasonic straight probe (5) is 10 mm.
4. The array type ultrasonic detection device for the weld joint of the prestressed pipe pile as claimed in claim 2, wherein: the ultrasonic straight probe (5) is a double-crystal rectangular transducer, the size of a wafer of the ultrasonic straight probe (5) is 8mm, the frequency is 5MHz, the thickness of a wedge block of the ultrasonic straight probe (5) is 10mm, and the sound velocity of the wedge block (4) of the ultrasonic straight probe (5) is 2300 m/s.
5. The array type ultrasonic detection device for the weld joint of the prestressed pipe pile as claimed in claim 1, wherein: the ultrasonic angle probe comprises a first angle probe (15), a second angle probe (16), a third angle probe (17), a fourth angle probe (18), a fifth angle probe (19), a sixth angle probe (20) and a seventh angle probe (21), wherein the critical refraction angle of the first angle probe (15) is 23 degrees +/-5 degrees, the ultrasonic incident angle of the first angle probe (15) is 24 degrees +/-5 degrees, the sound wave length is 1.192mm, and the size of the piezoelectric ceramic is 8 mm;
the second oblique probe (16), the third oblique probe (17), the fourth oblique probe (18), the fifth oblique probe (19), the sixth oblique probe (20) and the seventh oblique probe (21) have the placement parameters that the transverse wave refraction angle of the second oblique probe (16) is 38.0 degrees +/-5 degrees, and the incidence angle is 26.3 degrees +/-5 degrees;
the transverse wave refraction angle of the third oblique probe (17) is 42.0 degrees +/-5 degrees, and the incident angle is 28.8 degrees +/-5 degrees;
the transverse wave refraction angle of the fourth oblique probe (18) is 48.0 degrees +/-5 degrees, and the incident angle is 32.4 degrees +/-5 degrees;
the transverse wave refraction angle of the fifth oblique probe (19) is 54.0 degrees +/-5 degrees, and the incident angle is 35.6 degrees +/-5 degrees;
the transverse wave refraction angle of the sixth oblique probe (20) is 63.0 degrees +/-5 degrees, and the incident angle is 39.9 degrees +/-5 degrees;
the transverse wave refraction angle of the seventh oblique probe (21) is 77.0 degrees +/-5 degrees, and the incidence angle is 44.6 degrees +/-5 degrees.
6. The array type ultrasonic detection device for the weld joint of the prestressed pipe pile as claimed in claim 5, wherein: and adjacent probe radiation detection sound beams between the second oblique probe (16), the third oblique probe (17), the fourth oblique probe (18), the fifth oblique probe (19), the sixth oblique probe (20) and the seventh oblique probe (21) are overlapped by 15% in the depth direction of the detection area.
7. The array type ultrasonic detection device for the weld joint of the prestressed pipe pile as claimed in claim 2, wherein: the frequency ranges of the ultrasonic straight probe (5) and the ultrasonic oblique probe group are 5 MHz-10 MHz, and the angle ranges of the ultrasonic straight probe (5) and the ultrasonic oblique probe group refracting to the workpiece to be detected are 42-70 degrees.
8. The array type ultrasonic detection device for the weld joint of the prestressed pipe pile as claimed in claim 2, wherein: the wedge block (4) is an organic glass wedge block.
9. The array type ultrasonic detection device for the weld joint of the prestressed pipe pile as claimed in claim 1, wherein: the shape of detecting support (1) be "ten" font, detect support (1) and include long board (10) and short board (11), set up regulation hole (12) that set up along the transverse direction on the face of short board (11), worn adjusting bolt (13) in regulation hole (12) and fixed on pillar (8), pillar (8) are adjusted in regulation hole (12) through adjusting bolt (13).
10. The array type ultrasonic detection device for the weld joint of the prestressed pipe pile as claimed in claim 1, wherein: the top surface of the detection bracket (1) is also provided with a handheld handle (14).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116106426A (en) * | 2023-02-01 | 2023-05-12 | 番禺珠江钢管（连云港）有限公司 | Tandem scanning probe connecting mechanism for weld joint inspection |
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| US20160238564A1 (en) * | 2015-02-13 | 2016-08-18 | Fbs, Inc. | Medium-range magnetostrictive ultrasonic guided wave scanner systems and methods |
| CN105319276A (en) * | 2015-09-29 | 2016-02-10 | 国家电网公司 | Probe and scanning device for detecting turbine partition plate weld joint ultrasonic phased array |
| CN205396126U (en) * | 2016-03-09 | 2016-07-27 | 邢台先锋超声电子有限公司 | Rail welding seam scanning apparatus |
| CN107490623A (en) * | 2017-09-19 | 2017-12-19 | 中国航空综合技术研究所 | Ultrasonic scanner and its detection method |
| CN211905206U (en) * | 2019-12-19 | 2020-11-10 | 中国航空制造技术研究院 | Probe fixed type ultrasonic phased array system applied to weld joint detection |
| CN212989244U (en) * | 2020-07-10 | 2021-04-16 | 爱德森（厦门）电子有限公司 | Steel rail nondestructive inspection detection device capable of synchronously detecting welding line and online detection vehicle thereof |
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| CN116106426A (en) * | 2023-02-01 | 2023-05-12 | 番禺珠江钢管（连云港）有限公司 | Tandem scanning probe connecting mechanism for weld joint inspection |
| CN116106426B (en) * | 2023-02-01 | 2023-08-08 | 番禺珠江钢管（连云港）有限公司 | Tandem scanning probe connecting mechanism for weld joint inspection |
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