CN208888196U - A kind of longitudinal wave converted shear wave ultrasound examination test block - Google Patents
A kind of longitudinal wave converted shear wave ultrasound examination test block Download PDFInfo
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- CN208888196U CN208888196U CN201821331297.XU CN201821331297U CN208888196U CN 208888196 U CN208888196 U CN 208888196U CN 201821331297 U CN201821331297 U CN 201821331297U CN 208888196 U CN208888196 U CN 208888196U
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Abstract
The utility model relates to a kind of longitudinal wave converted shear wave ultrasound examination test blocks, belong to industrial ultrasonic wave field of non destructive testing.The utility model includes test block ontology, inclined-plane, cross-drilled hole, No.1 bottom surface, No. two bottom surfaces, flat-bottom hole and top surface；Its structure feature is that the inclined-plane of design certain angle, the functional areas realize that longitudinal wave is converted into shear wave；The cross-drilled hole in certain position and aperture is designed to realize that the reflection of shear wave, design reflect different bottom surfaces to realize reflection in length and breadth.The principles of the present invention also can produce waveform conversion in same medium, and the waveform conversion only generated is based on principle of reflection rather than refraction principle.Testing staff can be allowed, which to be converted into shear wave principle to ultrasonic wave longitudinal wave, understanding more profound, and the detection technique for being conducive to improve testing staff is horizontal.
Description
Technical field
The utility model relates to a kind of ultrasound examination test block, in particular to a kind of longitudinal wave converted shear wave ultrasound examination
Use reference block.
Background technique
With the development of ultra supercritical coal-fired unit, in power plant's high temperature and high pressure steam pipeline, in order to improve welding quality,
Inside pipe wall forms the step of inclined surface, in practical ultrasonic examination detection process, Chang Liyong longitudinal wave normal probe after often machining
To ultrasonic examination the defects of layering in steel tube end part certain area.When wave ultrasonic wave is incident on machine with certain certain angle
Waveform conversion phenomena will be generated when processing incline bench, i.e. longitudinal wave is converted into shear wave, to impact to testing result.
Utility model content
The purpose of the utility model is to overcome the above deficiencies in the existing technologies, and provide a kind of structure design conjunction
The longitudinal wave converted shear wave ultrasound examination test block of reason.
The technical scheme in the invention for solving the above technical problem is: a kind of longitudinal wave converted shear wave ultrasound examination use
Test block, including test block ontology, which is characterized in that further include inclined-plane, cross-drilled hole, No.1 bottom surface, No. two bottom surfaces, flat-bottom hole and top surface；
The top of test block ontology is arranged in the top surface, and the side of test block ontology is arranged in the inclined-plane, and the No.1 bottom surface setting exists
The bottom of test block ontology, the top surface and No.1 bottom surface are arranged in opposite directions；No. two bottom surfaces are arranged on No.1 bottom surface, described flat
The bottom of test block ontology is arranged in bottom outlet, and the cross-drilled hole is arranged in test block ontology, and the inclined-plane and cross-drilled hole are located at No. two bottom surfaces
Side, the flat-bottom hole is located at the other side of No. two bottom surfaces, and the height of No. two bottom surfaces is greater than the height of flat-bottom hole and cross-drilled hole
Degree.
Furthermore, the inclined-plane is in tilted layout, and the tilt angle on the inclined-plane is 40 ° ~ 50 °.Inclined-plane functional areas are real
The reflection of longitudinal wave bottom edge is realized in existing waveform conversion, No.1 bottom surface and No. two bottom surfaces.
Furthermore, the diameter of the cross-drilled hole is 1mm ~ 2mm.Cross-drilled hole realizes transverse wave reflection.
Furthermore, the diameter of the flat-bottom hole is 1mm ~ 2mm, is highly 5mm ~ 10mm.Flat-bottom hole is realized to be visited to straight
Head detection parameters resolving power, sensitivity measurement.
Furthermore, the width of the test block ontology is 10mm ~ 30mm, and length is 150 ~ 250mm, highly for 50 ~
100mm。
Above-mentioned each material is Q235B common metal material, and detection surface roughness is 3.2 μm.Each part dimension error is equal
No more than ± 0.05mm, aperture error is not more than ± 0.02mm.
The utility model compared with prior art, has the following advantages that and effect: the utility model can be very good to realize
Longitudinal wave turns shear wave, strengthens understanding of the testing staff to ultrasonic wave waveform transfer principle, is conducive to improve testing staff's on-site test
As a result accuracy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Fig. 2 is the waveform transition diagram of the utility model embodiment.
In figure: inclined-plane 1, cross-drilled hole 2, the bottom surface 4 of No.1 bottom surface 3, two, flat-bottom hole 5, top surface 6, probe 7.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
Embodiment.
Referring to Fig. 1 to Fig. 2, longitudinal wave converted shear wave ultrasound examination test block in the present embodiment, including test block ontology, also
Including inclined-plane 1, cross-drilled hole 2, the bottom surface 4 of No.1 bottom surface 3, two, flat-bottom hole 5 and top surface 6；The top of test block ontology is arranged in top surface 6,
The side of test block ontology is arranged in inclined-plane 1, and the bottom of test block ontology is arranged in No.1 bottom surface 3, and top surface 6 and No.1 bottom surface 3 are opposite
Arrangement；No. two bottom surfaces 4 are arranged on No.1 bottom surface 3, and the bottom of test block ontology is arranged in flat-bottom hole 5, and cross-drilled hole 2 is arranged in test block sheet
In vivo, inclined-plane 1 and cross-drilled hole 2 are located at the side of No. two bottom surfaces 4, and flat-bottom hole 5 is located at the other side of No. two bottom surfaces 4, No. two bottom surfaces 4
Height is greater than the height of flat-bottom hole 5 and cross-drilled hole 2.
In the present embodiment, inclined-plane 1 is in tilted layout, and the tilt angle on inclined-plane 1 is 40 ° ~ 50 °.
In the present embodiment, the diameter of cross-drilled hole 2 is 1mm ~ 2mm.
In the present embodiment, it is highly 5mm ~ 10mm that the diameter of flat-bottom hole 5, which is 1mm ~ 2mm,.
In the present embodiment, the width of test block ontology is 10mm ~ 30mm, and it is highly 50 ~ 100mm that length, which is 150 ~ 250mm,.
The present embodiment use process is as follows:
Using 0 ° of longitudinal wave, frequency 5.0MHz, size Φ 10mm longitudinal wave normal probe 7 is debugged in test block right end using flat-bottom hole 5
Good ultrasonic detecting equipment technical parameter.Incident longitudinal wave, which encounters, is converted into shear wave all the way and all the way longitudinal wave after reflection on inclined-plane 1,
After middle shear wave (in figure shown in dotted line) encounters cross-drilled hole 2 along assigned direction, returns along original route and received by instrument；Longitudinal wave is (real in figure
Shown in line) encounter all the way 3 road Hou Yanyuan of No.1 bottom surface return can be received by instrument, another part longitudinal wave through inclined-plane 1 reflection reach No. two
It returns behind bottom surface 4 along original route and is received by instrument.Longitudinal wave velocity of sound in steel is about 5900m/s；Shear wave velocity of sound in steel is about
3230m/s, different wave ultrasonic wave velocity of sound in steel is different, propagation path is inconsistent, leads to the difference of passing time, finally exists
Waveform diagram shown in Fig. 2 is shown on instrument, wherein a, b and c reflection configuration shown in Fig. 2 respectively correspond the cross-drilled hole 2, one in Fig. 1
The reflecting interface of number 3, No. two bottom surfaces 4 in bottom surface.
To sum up, which can be very good to realize that longitudinal wave turns shear wave, strengthen testing staff to ultrasonic wave waveform transfer principle
Understanding, be conducive to improve testing staff's on-site test result accuracy.
By above-mentioned elaboration, those skilled in the art can implement.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named
Title etc. can be different, and above content is only to the utility model structure example explanation described in this specification.
All equivalence changes or simple change done according to structure, feature and principle described in the concept of the patent of the utility model, are wrapped
It includes in the protection scope of the utility model patent.Those skilled in the art of the present invention can be to described
Specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from the knot of the utility model
Structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (5)
1. a kind of longitudinal wave converted shear wave ultrasound examination test block, including test block ontology, which is characterized in that further include inclined-plane, cross
Hole, No.1 bottom surface, No. two bottom surfaces, flat-bottom hole and top surface；The top of test block ontology is arranged in the top surface, and the inclined-plane setting exists
The bottom of test block ontology is arranged in the side of test block ontology, the No.1 bottom surface, and the top surface and No.1 bottom surface are arranged in opposite directions；Institute
It states No. two bottom surfaces to be arranged on No.1 bottom surface, the bottom of test block ontology is arranged in the flat-bottom hole, and the cross-drilled hole is arranged in test block
In ontology, the inclined-plane and cross-drilled hole are located at the side of No. two bottom surfaces, and the flat-bottom hole is located at the other side of No. two bottom surfaces, and described two
The height of number bottom surface is greater than the height of flat-bottom hole and cross-drilled hole.
2. longitudinal wave converted shear wave ultrasound examination test block according to claim 1, which is characterized in that the inclined-plane inclination
Arrangement, the tilt angle on the inclined-plane are 40 ° ~ 50 °.
3. longitudinal wave converted shear wave ultrasound examination test block according to claim 1, which is characterized in that the cross-drilled hole it is straight
Diameter is 1mm ~ 2mm.
4. longitudinal wave converted shear wave ultrasound examination test block according to claim 1, which is characterized in that the flat-bottom hole
Diameter is 1mm ~ 2mm, is highly 5mm ~ 10mm.
5. longitudinal wave converted shear wave ultrasound examination test block according to claim 1, which is characterized in that the test block ontology
Width be 10mm ~ 30mm, length be 150 ~ 250mm, be highly 50 ~ 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821331297.XU CN208888196U (en) | 2018-08-17 | 2018-08-17 | A kind of longitudinal wave converted shear wave ultrasound examination test block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821331297.XU CN208888196U (en) | 2018-08-17 | 2018-08-17 | A kind of longitudinal wave converted shear wave ultrasound examination test block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208888196U true CN208888196U (en) | 2019-05-21 |
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ID=66509066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821331297.XU Active CN208888196U (en) | 2018-08-17 | 2018-08-17 | A kind of longitudinal wave converted shear wave ultrasound examination test block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208888196U (en) |
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2018
- 2018-08-17 CN CN201821331297.XU patent/CN208888196U/en active Active
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