CN113655128B - Zero angle verification method for probe of penetrating ultrasonic C scanning detection system - Google Patents
Zero angle verification method for probe of penetrating ultrasonic C scanning detection system Download PDFInfo
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- CN113655128B CN113655128B CN202110869574.2A CN202110869574A CN113655128B CN 113655128 B CN113655128 B CN 113655128B CN 202110869574 A CN202110869574 A CN 202110869574A CN 113655128 B CN113655128 B CN 113655128B
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- 239000000523 sample Substances 0.000 title claims abstract description 130
- 238000001514 detection method Methods 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000000149 penetrating effect Effects 0.000 title claims abstract description 10
- 238000012795 verification Methods 0.000 title claims description 17
- 230000035515 penetration Effects 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 9
- 230000000007 visual effect Effects 0.000 abstract description 3
- 238000009659 non-destructive testing Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000011378 penetrating method Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
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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
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
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- 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
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention belongs to the field of nondestructive testing, and particularly relates to a zero angle calibration method for a probe of a penetrating ultrasonic C-scanning detection system. The ultrasonic C-scan detection system mainly comprises a probe, a nozzle and a detected workpiece, wherein the probe and the nozzle are used as a whole and have the functions of swinging and rotating angles, ultrasonic sound beams can be guaranteed to be incident along the normal direction of the surface of the workpiece through swinging and rotating of the probe, the zero-position angle of the probe of the ultrasonic C-scan detection system of a penetration method is verified, the probe is restored to a zero-degree position, the problem that the zero-position error of the angle of the probe is large through visual adjustment of a detector is solved, the mechanical detection precision of the ultrasonic C-scan of the penetration method is improved, the centering of the probe at the transmitting end and the probe at the receiving end of the ultrasonic C-scan of the penetration method is guaranteed, and the detection image effect of the ultrasonic C-scan is improved.
Description
Technical Field
The invention belongs to the field of nondestructive testing, and particularly relates to a zero angle calibration method for a probe of a penetrating ultrasonic C-scanning detection system.
Background
The ultrasonic C-scan detection of the water spraying penetration method is one of the common ultrasonic nondestructive detection methods of the composite materials at present, and fig. 1 is a schematic diagram of the ultrasonic C-scan detection of the penetration method, and mainly comprises a probe, a nozzle and a detected workpiece, wherein the probe and the nozzle have the functions of swinging and rotating angles as a whole, and the ultrasonic sound beam can be ensured to be incident along the normal direction of the surface of the workpiece through the swinging and rotating of the probe, but in the actual detection process, the nozzle (2 and 4 in fig. 1) and the detected workpiece are easy to collide due to the factors such as unreasonable detection path planning and misoperation of detection personnel, when the probe returns to the mechanical original position, the probe angles T and R deviate from the zero-degree position, the probes (the transmitting end is arranged on one side and the receiving end is arranged on the other side) on two sides of the detected workpiece, and ultrasonic waves penetrating the workpiece cannot be received, so that the ultrasonic C-scan detection of the workpiece cannot be realized.
Disclosure of Invention
The invention aims to solve the problem that the zero error of the probe angle of the ultrasonic C-scan detection system by a visual adjustment penetration method is large, improve the ultrasonic C-scan detection precision and improve the ultrasonic C-scan detection image effect.
Technical proposal
A zero angle verification method for a probe of a penetration ultrasonic C-scanning detection system comprises the following steps:
1) Firstly, checking the rotation angle R of a probe, placing a digital display type level meter on a rotating mechanism behind a nozzle of a detection system, observing the direction of a bubble on the digital display type level meter deviating from a central position and a digital display value, if the bubble deviates from the central position to the right, indicating that the probe tilts to the left, adjusting a handle of the detection system, moving the probe along the negative direction of R, reducing the value of R, simultaneously observing the digital display value, and when the digital display value is displayed to be +/-0.1 ℃, indicating that the angle R of the probe is checked to be qualified; if the bubble deviates from the center position to the left, the probe is inclined to the right, the handle of the detection system is adjusted, the probe is moved along the positive direction of R, the R value is increased, meanwhile, the numerical display value is observed, and when the numerical display value is +/-0.1 degree, the probe angle R is proved to be qualified in verification.
2) Then checking the angle T of the probe, placing the digital display type level meter on the nozzle, observing the direction of the bubble on the digital display type level meter deviating from the central position and the digital display value, if the bubble deviates from the central position to the left, indicating that the probe is inclined upwards, adjusting the handle of the detection system, moving the probe along the negative direction of T, reducing the value of T, and simultaneously observing the digital display value, and when the digital display value is displayed to be +/-0.1 ℃, indicating that the angle T of the probe is checked to be qualified; if the bubble deviates from the central position to the right, the probe is inclined downwards, the handle of the detection system is adjusted, the probe is moved along the positive direction of the angle T, the T value is increased, meanwhile, the numerical display value is observed, and when the numerical display value is +/-0.1 degree, the probe angle T is proved to be qualified in verification.
And finally, storing the probe angles T and R after the verification, restarting the detection system, and enabling the probe angles to return to the zero position of the detection system.
Observing the inclined states of the probe angles T and R, and if the probe is still obviously inclined, re-checking the probe angles according to the steps 1) -2).
And if the probe does not have obvious inclination, re-measuring the probe angles T and R by adopting a digital display type level meter, wherein the probe angles T and R are within +/-0.1 degrees, and finishing the probe verification.
T and R exceed the range of +/-0.1 DEG, the probe fails to verify, and the probe angle is required to be checked again according to the steps 1) -2) until the probe angles T and R are within the range of +/-0.1 deg.
The T angle is smaller than 90 degrees, and both T angles are smaller than 90 degrees, so that the maximum angle range is controlled within 180 degrees.
The probe rotation angle R is less than 360 °.
The precision of the level meets 0.01 degrees, and the level has the function of displaying the angle in real time.
The distance between the probe 2 and the surface of the workpiece 3 is more than 90mm.
Nozzle specification
After all angles are adjusted, the final effect of the left and right probes is ensured, and the ultrasonic attenuation is less than two dB.
Technical effects
The zero angle calibration method has the advantages that the zero angle calibration of the probe of the penetrating-method ultrasonic C-scanning detection system is realized, the probe is restored to the zero position, the problem that the zero error of the angle of the probe is large when a detector visually adjusts is solved, the mechanical detection precision of the penetrating-method ultrasonic C-scanning is improved, the centering of the probes at the transmitting end and the receiving end of the penetrating-method ultrasonic C-scanning is ensured, and the image detection effect of the ultrasonic C-scanning is improved.
Drawings
FIG. 1 schematic diagram of ultrasonic C-scan detection by penetration method
Wherein: 1 is probe 1;2 is a nozzle; 3 is a detected workpiece; t is the swinging angle of the probe; r is the rotation angle of the probe.
Fig. 2 schematic diagram of zero-position inspection of probe of ultrasonic C-scan detection system by penetration method
Fig. 3 side view for zero position inspection of probe of ultrasonic C scanning detection system by penetration method
Wherein 1 is a probe; 2 is a nozzle; and 3 is a digital display type level meter.
Detailed Description
The verification method of the present invention is further explained below with reference to the accompanying drawings, as shown in fig. 1 to 3:
a zero angle verification method for a probe of a penetration ultrasonic C-scanning detection system comprises the following steps:
1) Firstly, checking the rotation angle R of a probe, arranging a digital display type level meter on a rotating mechanism behind a nozzle of a detection system by a detector, observing the direction of a bubble on the digital display type level meter deviating from a central position and a digital display value, if the bubble deviates from the central position to the right, indicating that the probe is inclined to the left (R is a positive value), adjusting a handle of the detection system, moving the probe along the negative direction of the R, reducing the R value, simultaneously observing the digital display value, and indicating that the angle R of the probe is qualified when the digital display value is +/-0.1 degrees; if the bubble deviates from the central position to the left, the probe is inclined to the right (T is a negative value), the handle of the detection system is adjusted, the probe is moved along the positive direction of R, the R value is increased, meanwhile, the numerical display value is observed, and when the numerical display value is +/-0.1 degrees, the probe angle R is proved to be qualified in verification.
2) Then checking the angle T of the probe, arranging a digital display type level meter on a nozzle by a detector, observing the direction of the bubble on the digital display type level meter deviating from the central position and the digital display value, if the bubble deviates from the central position to the left, indicating that the probe is inclined upwards (T is a positive value), adjusting a handle of a detection system, moving the probe along the negative direction of the T, reducing the value of the T, and simultaneously observing the digital display value, wherein the checking of the angle T of the probe is qualified when the digital display value is +/-0.1 degrees; if the bubble deviates from the central position to the right, the probe is inclined downwards (T is a negative value), the handle of the detection system is adjusted, the probe is moved along the positive direction of the angle T, the T value is increased, meanwhile, the numerical display value is observed, and when the numerical display value is +/-0.1 DEG, the probe angle T is proved to be qualified in verification.
And finally, storing the probe angles T and R after the verification, restarting the detection system, and enabling the probe angles to return to the zero position of the detection system. To facilitate continued detection.
Observing the inclined states of the probe angles T and R, and if the probe is still obviously inclined, re-checking the probe angles according to the steps 1) -2). After multiple tests, the probe angles T and R gradually decrease in inclination.
And if the probe does not have obvious inclination, re-measuring the probe angles T and R by adopting a digital display type level meter, wherein the probe angles T and R are within +/-0.1 degrees, and finishing the probe verification.
T and R exceed the range of +/-0.1 DEG, the probe fails to verify, and the probe angle is required to be checked again according to the steps 1) -2) until the probe angles T and R are within the range of +/-0.1 deg.
The T angle is smaller than 90 degrees, and both T angles are smaller than 90 degrees, so that the maximum angle range is controlled within 180 degrees, and the auxiliary detection of the inclination angle in the plane is enough to be dealt with.
The rotation angle R of the probe is smaller than 360 degrees, and the rotation angle detection can be met by the maximum angle.
The precision of the level meets 0.01 degrees, and the level has the function of displaying the angle in real time. The accuracy can maximally ensure the test horizontal alignment result. Ensuring that the inclination angle is as small as possible.
The distance between the probe 2 and the surface of the workpiece 3 is more than 90mm, and the distance can meet the normal working distance of the nozzle.
Nozzle specificationIs a conventional nozzle specification.
After all angles are adjusted, the final effect of the left and right probes is ensured, and the ultrasonic attenuation is less than two dB.
In order to realize final detection, probes deviating from zero positions in a detection system are required to be rechecked to zero positions, so that the probes at a transmitting end and a receiving end are centered, and the currently adopted method is to visually adjust the angles T and R of the probes to the zero positions by means of detection personnel, so that larger errors exist in the zero positions of the probes easily, and the final detection effect is affected.
The invention adopts the digital display type level to verify the zero positions of the probe angles R and T of the penetrating ultrasonic C-scan detection system, solves the problem of larger zero error of visual adjustment of the probe angles by detection personnel, improves the ultrasonic C-scan detection precision and improves the ultrasonic C-scan detection image effect.
Claims (5)
1. A zero angle verification method for a probe of a penetration ultrasonic C-scanning detection system is characterized by comprising the following steps:
1) Firstly, checking the rotation angle R of a probe, placing a digital display type level meter on a rotating mechanism behind a nozzle of a detection system, observing the direction of a bubble on the digital display type level meter deviating from a central position and a digital display value, if the bubble deviates from the central position to the right, indicating that the probe tilts to the left, adjusting a handle of the detection system, moving the probe along the negative direction of R, reducing the value of R, simultaneously observing the digital display value, and when the digital display value is displayed as +/-0.1 ℃, indicating that the rotation angle R of the probe is qualified for checking; if the bubble deviates from the central position to the left, the probe is inclined to the right, a handle of the detection system is adjusted, the probe is moved along the positive direction of R, the R value is increased, meanwhile, the numerical display value is observed, and when the numerical display value is +/-0.1 DEG, the probe angle R is proved to be qualified in verification;
2) Then checking the angle T of the probe, placing the digital display type level meter on the nozzle, observing the direction of the bubble on the digital display type level meter deviating from the central position and the digital display value, if the bubble deviates from the central position to the left, indicating that the probe is inclined upwards, adjusting the handle of the detection system, moving the probe along the negative direction of T, reducing the value of T, and simultaneously observing the digital display value, and when the digital display value is displayed to be +/-0.1 ℃, indicating that the angle T of the probe is checked to be qualified; if the bubble deviates from the central position to the right, the probe is inclined downwards, a handle of the detection system is adjusted, the probe is moved along the positive direction of the angle T, the T value is increased, meanwhile, the numerical display value is observed, and when the numerical display value is +/-0.1 DEG, the probe angle T is proved to be qualified in verification; finally, storing the probe angles T and R after the verification, restarting the detection system, allowing the probe angles to return to the zero position of the detection system, observing the inclined states of the probe angles T and R, if the probe is still obviously inclined, re-checking the probe angles according to the steps 1) -2), if the probe is not obviously inclined, re-measuring the probe angles T and R by adopting a digital display type level meter, wherein the probe angles T and R are within a range of +/-0.1 DEG, the probe is completely verified, and the T angles are smaller than 90 DEG, and are both smaller than 90 DEG, so that the maximum angle range is controlled within 180 DEG; the rotation angle R of the probe is smaller than 360 degrees; the precision of the level meets 0.01 degrees, and the level has the function of displaying the angle in real time.
2. The method for checking the zero angle of the probe of the penetrating ultrasonic C scanning detection system according to claim 1, wherein the T and the R exceed the range of +/-0.1 degrees, the probe fails to check, and the probe angle is checked again according to the steps 1) -2) until the T and the R of the probe angle are within the range of +/-0.1 degrees.
3. The method for verifying the zero angle of the probe of the penetrating ultrasonic C-scan detection system according to claim 1, wherein the distance between the probe 2 and the surface of the workpiece 3 is greater than 90mm.
4. The method for verifying the zero angle of a probe of a penetrating ultrasonic C-scan detection system according to claim 1, wherein the nozzle specification is that
5. The method for verifying the zero angle of the probe of the penetrating ultrasonic C-scan detection system according to claim 1, wherein the final effect of the left and right probes is ensured after all angles are adjusted, and the attenuation of the ultrasonic wave is less than two dB.
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| JP2007198822A (en) * | 2006-01-25 | 2007-08-09 | Ntn Corp | Method of measuring rolling surface hardening depth of wheel bearing outer race |
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| JPH05249090A (en) * | 1992-03-05 | 1993-09-28 | Hitachi Constr Mach Co Ltd | Ultrasonic measuring apparatus |
| US5952577A (en) * | 1997-07-21 | 1999-09-14 | Sonotron Ltd. | Ultrasonic imaging system |
| CN101071126A (en) * | 2007-06-15 | 2007-11-14 | 哈尔滨工业大学 | Micro projection welding spot quality non-destructive detecting method |
| CN101614705B (en) * | 2009-07-29 | 2011-04-06 | 国核电站运行服务技术有限公司 | Overlaying layer stripping ultrasound detection imaging system of major-diameter thick-wall pressure vessel |
| CN101672828B (en) * | 2009-10-16 | 2011-05-11 | 清华大学 | Nozzle used for water-spray ultrasonic nondestructive testing |
| JP2012251842A (en) * | 2011-06-02 | 2012-12-20 | Aisin Seiki Co Ltd | Ultrasonic measuring device and ultrasonic measuring method |
| CN102297761B (en) * | 2011-06-15 | 2013-11-06 | 西安交通大学 | Bolt faying face supersonic wave detection apparatus and data processing method thereof |
| CN203772206U (en) * | 2014-03-11 | 2014-08-13 | 安徽农业大学 | Probe connection instrument for floor thickness detector |
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| JP2007198822A (en) * | 2006-01-25 | 2007-08-09 | Ntn Corp | Method of measuring rolling surface hardening depth of wheel bearing outer race |
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