CN105486757B - A kind of portable defectoscope defect positioning method - Google Patents
A kind of portable defectoscope defect positioning method Download PDFInfo
- Publication number
- CN105486757B CN105486757B CN201510977393.6A CN201510977393A CN105486757B CN 105486757 B CN105486757 B CN 105486757B CN 201510977393 A CN201510977393 A CN 201510977393A CN 105486757 B CN105486757 B CN 105486757B
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- feeler lever
- defect
- point
- scale
- distance
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- 230000007547 defect Effects 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000000523 sample Substances 0.000 claims abstract description 43
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 230000000052 comparative effect Effects 0.000 claims abstract description 14
- 230000004807 localization Effects 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000002950 deficient Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
Abstract
The invention discloses a kind of portable defectoscope defect positioning method, which includes the following steps：Probe is put into the comparative sample hollow shaft of known defect actual range L1, defect point is accurately measured in instrument to the horizontal distance d1 of probe shear wave transmitter incidence point, 0 point of feeler lever front end scale is directly read the sum of to the distance d3 of shaft end and shaft end to the numerical value of distance d4 of adapter outer edge by the scale on feeler lever, the distance d2 of probe shear wave transmitter incidence point to 0 point of feeler lever front end scale and the distance d4 of shaft end to adapter outer edge are to be measured；By actual range L1 known to comparative sample hollow shaft defect and parameter L can be read（D1+d3+d4 axial deviation calibration) is carried out, obtains L L1=d4 d2=X1, detection with transversal waves defect actual range L1 can be expressed as using that can read parameter L：L1=L‑X1；The present invention detects the algorithm of defect relative to well known portable defectoscope, it effectively solves the problems, such as that the defects of being brought when using portable defectoscope to the fuzzy estimate of defective locations position is inaccurate, it can accurately obtain the position of axle body defect, be effectively guaranteed the accuracy of flaw detection.
Description
Technical field
The present invention relates to a kind of axle method of detection, specifically a kind of portable defectoscope defect positioning method belongs to
In metal ultrasonic detection inspection technique field.
Background technology
Under the background of China railways speed raising, it is especially desirable to which the high-speed railway EMU for reaching maintenance mileage is examined
It repaiies, to ensure operation security.In maintenance, need to carry out ultrasonic examination inspection to axle.Existing ultrasonic test equipment
Detection solid axle is only capable of, however, the axle that high-speed railway EMU uses needs probe stretching into vehicle for substantially hollow axle
Complete detection is carried out inside axis.At present, well known portable detection equipment flaw detection when to detecting the defects of position all adopt
With the method that feeler lever tape measuring Position Approximate either fuzzy estimate is pulled out after blaze, a range where defect is obtained
Position, it is impossible to the accurate specific location for obtaining defect so that cannot be guaranteed during flaw detection to the accuracy of defect and accuracy.
Invention content
The shortcomings that technical problems to be solved by the invention are, overcome the prior art provides a kind of portable defectoscope and lacks
Localization method is fallen into, avoids the defects of being brought when using portable defectoscope to the fuzzy estimate of defective locations position inaccuracy
The problem of, it is effectively guaranteed the accuracy of flaw detection.
In order to solve the above technical problems, the present invention provides a kind of portable defectoscope defect positioning method, this is portable
The adapter that defectoscope includes feeler lever, pops one's head in and be located at shaft end, the feeler lever is penetrated by the adapter for being mounted on shaft end, and is being worn
Enter the feeler lever end in axis and the probe is fixedly mounted, the probe is equipped with shear wave transmitter and P wave emission device, the spy
Bar is equipped with 0 point of scale with probe junction, and the feeler lever is identified equipped with graduation indication；The localization method includes the following steps：
（1）Detection with transversal waves localization method：
1. probe is put into the comparative sample hollow shaft of known defect actual range L1, defect is accurately measured in instrument
Point directly reads 0 point of feeler lever front end scale to the horizontal distance d1 of probe shear wave transmitter incidence point by the scale on feeler lever
The sum of to the distance d3 of shaft end and shaft end to the numerical value of distance d4 of adapter outer edge, i.e. quarter of the d3+d4 data on feeler lever
It is directly read in degree；And the distance d2 of pop one's head in shear wave transmitter incidence point to 0 point of feeler lever front end scale is unknown to be measured；
2. the axial position for obtaining actual defects by conversion is：L1=d1+d2+d3, however the numerical value that can directly read
For：L=d1+d3+d4；
3. by actual range L1 known to comparative sample hollow shaft defect and can readout value L carry out axial deviation calibration, obtain
To L-L1=d4-d2=X1, the X1 that deviates thus can be demarcated, and is the axial shear wave deviation of preset parameter, i.e. feeler lever；
4. detection with transversal waves defect actual range L1 can be expressed as using that can read parameter L：L1=L-X1；
（2）Longitudinal wave flaw detection localization method：
1. probe is put into the comparative sample hollow shaft of known defect actual range L2, directly read by the scale on feeler lever
It takes and measures 0 point of feeler lever front end scale the sum of to the distance d3 ' of shaft end and shaft end to the numerical value of distance d4 ' of adapter outer edge,
Directly read in scale of the d3 '+d4 ' data on feeler lever；P wave emission device incidence point pop one's head in 0 point of feeler lever front end scale
Distance d2 ' is unknown to be measured；
2. defect axial position is obtained by conversion：L2=d2 '+d3 ' can directly read parameter：L’= d3’+d4’；
3. by actual range L2 known to comparative sample hollow shaft defect and parameter L ' progress axial deviation calibration can be read,
L '-L2=d4 '-d2 '=D2 is obtained, thus can calibrate deviation D 2, and is the axial longitudinal wave deviation of preset parameter, i.e. feeler lever；
4. longitudinal wave detection defects actual range L2 can be expressed as using that can read parameter L '：L2=L’-D2.
The further of the present invention limits technical solution：Aforementioned portable defectoscope defect location method, the shear wave transmitting
Device and P wave emission device are ultrasonic transmitter.
Further, aforementioned portable defectoscope defect location method, the feeler lever end is connected by helicitic texture pacifies
Fill the probe.
The beneficial effects of the invention are as follows：The present invention has relative to the algorithm of well known portable defectoscope detection defect
Effect solves the problems, such as that the defects of being brought when using portable defectoscope to the fuzzy estimate of defective locations position is inaccurate,
It can accurately obtain the position of axle body defect, be effectively guaranteed the accuracy of flaw detection.
Description of the drawings
Fig. 1 is detection with transversal waves defect sturcture schematic diagram of the present invention.
Fig. 2 is longitudinal wave detection defects structure diagram of the present invention.
Specific embodiment
Embodiment 1
The present embodiment provides a kind of portable defectoscope defect positioning methods, and as shown in Figure 1 to Figure 2, this is portable for structure
Defectoscope includes feeler lever 3, probe 4 and the adapter 2 for being located at shaft end, and feeler lever is penetrated by the adapter for being mounted on shaft end, and is being worn
Enter the feeler lever end in axis and probe is fixedly mounted, feeler lever end connects installation probe by helicitic texture, and probe is equipped with shear wave
Transmitter and P wave emission device, feeler lever are equipped with scale 0: 1 with probe junction, and feeler lever is identified equipped with graduation indication；The positioning
Method includes the following steps：
（1）Detection with transversal waves localization method：
1. probe is put into the comparative sample hollow shaft of known defect actual range L1, defect is accurately measured in instrument
Point directly reads 0 point of feeler lever front end scale to the horizontal distance d1 of probe shear wave transmitter incidence point by the scale on feeler lever
The sum of to the distance d3 of shaft end and shaft end to the numerical value of distance d4 of adapter outer edge, i.e. quarter of the d3+d4 data on feeler lever
It is directly read in degree；And the distance d2 of pop one's head in shear wave transmitter incidence point to 0 point of feeler lever front end scale is unknown to be measured；
2. the axial position for obtaining actual defects by conversion is：L1=d1+d2+d3, however the numerical value that can directly read
For：L=d1+d3+d4；
3. by actual range L1 known to comparative sample hollow shaft defect and can readout value L carry out axial deviation calibration, obtain
To L-L1=d4-d2=X1, the X1 that deviates thus can be demarcated, and is the axial shear wave deviation of preset parameter, i.e. feeler lever；
4. detection with transversal waves defect actual range L1 can be expressed as using that can read parameter L：L1=L-X1；
（2）Longitudinal wave flaw detection localization method：
1. probe is put into the comparative sample hollow shaft of known defect actual range L2, directly read by the scale on feeler lever
It takes and measures 0 point of feeler lever front end scale the sum of to the distance d3 ' of shaft end and shaft end to the numerical value of distance d4 ' of adapter outer edge,
Directly read in scale of the d3 '+d4 ' data on feeler lever；P wave emission device incidence point pop one's head in 0 point of feeler lever front end scale
Distance d2 ' is unknown to be measured；
2. defect axial position is obtained by conversion：L2=d2 '+d3 ' can directly read parameter：L’= d3’+d4’；
3. by actual range L2 known to comparative sample hollow shaft defect and parameter L ' progress axial deviation calibration can be read,
L '-L2=d4 '-d2 '=D2 is obtained, thus can calibrate deviation D 2, and is the axial longitudinal wave deviation of preset parameter, i.e. feeler lever；
4. longitudinal wave detection defects actual range L2 can be expressed as using that can read parameter L '：L2=L’-D2.
The portable defectoscope measurement of the present embodiment be with feeler lever push probe spin in hollow shaft of motor train unit formula advance/
The movement of retrogressing, it is axial the defects of position need accurately to measure Probe index to 0 point of feeler lever front end scale distance d2,
0 point of distance d1, the feeler lever front end scale of defect point to Probe index arrives the distance d3 of shaft end, shaft end to adapter outer edge
Distance d4.Wherein d1 can directly be read in instrument, and (d3+d4) can be read in the scale on feeler lever, but d2 and d4
Than less easily measuring, the defects of just measuring at last and also have error, causing to detect position it is inaccurate, through this embodiment
In the method that provides, do not need to independent measurement d2 and d4, by fixed straggling parameter, carried out by the numerical value that can directly read
Being accurately positioned for defect can be completed in reckoning.
Above example is merely illustrative of the invention's technical idea, it is impossible to protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical solution each falls within the scope of the present invention
Within.
Claims (3)
1. a kind of portable defectoscope defect positioning method, which includes feeler lever, pop one's head in and is located at the suitable of shaft end
Orchestration, the feeler lever are penetrated by the adapter for being mounted on shaft end, and the probe is fixedly mounted penetrating the feeler lever end in axis,
The probe is equipped with shear wave transmitter and P wave emission device, and the feeler lever is equipped with 0 point of scale, the feeler lever with probe junction
Graduation indication is equipped with to identify；It is characterized in that the localization method includes the following steps：
（1）Detection with transversal waves localization method：
1. probe is put into the comparative sample hollow shaft of known defect actual range L1, defect point is accurately measured in instrument and is arrived
The horizontal distance d1 of probe shear wave transmitter incidence point directly reads 0 point of feeler lever front end scale by the scale on feeler lever and arrives axis
The distance d3 at end and shaft end are the sum of to the numerical value of distance d4 of adapter outer edge, i.e., in scale of the d3+d4 data on feeler lever
It directly reads；And the distance d2 of pop one's head in shear wave transmitter incidence point to 0 point of feeler lever front end scale is unknown to be measured；
2. the axial position for obtaining actual defects by conversion is：L1=d1+d2+d3, however the numerical value that can directly read is：L=
d1+d3+d4；
3. by actual range L1 known to comparative sample hollow shaft defect and can readout value L carry out axial deviation calibration, obtain L-
Thus L1=d4-d2=X1 can demarcate the X1 that deviates, and be the axial shear wave deviation of preset parameter, i.e. feeler lever；
4. detection with transversal waves defect actual range L1 utilizations can read parameter L and be expressed as：L1=L-X1；
（2）Longitudinal wave flaw detection localization method：
1. probe is put into the comparative sample hollow shaft of known defect actual range L2, survey is directly read by the scale on feeler lever
0 point of feeler lever front end scale is measured the sum of to the distance d3 ' of shaft end and shaft end to the numerical value of distance d4 ' of adapter outer edge, i.e.,
D3 '+d4 ' data are directly read in the scale on feeler lever；Pop one's head in P wave emission device incidence point to 0 point of feeler lever front end scale away from
It is unknown from d2 ' to be measured；
2. defect axial position is obtained by conversion：L2=d2 '+d3 ' can directly read parameter：L’= d3’+d4’；
3. by actual range L2 known to comparative sample hollow shaft defect and parameter L ' progress axial deviation calibration can be read, obtain
Thus L '-L2=d4 '-d2 '=D2 can calibrate deviation D 2, and be the axial longitudinal wave deviation of preset parameter, i.e. feeler lever；
4. longitudinal wave detection defects actual range L2 utilizations can read parameter L ' and be expressed as：L2=L’-D2.
2. portable defectoscope defect positioning method according to claim 1, it is characterised in that：The shear wave transmitter and
P wave emission device is ultrasonic transmitter.
3. portable defectoscope defect positioning method according to claim 1, it is characterised in that：The feeler lever end passes through
The probe is installed in helicitic texture connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510977393.6A CN105486757B (en) | 2015-12-23 | 2015-12-23 | A kind of portable defectoscope defect positioning method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510977393.6A CN105486757B (en) | 2015-12-23 | 2015-12-23 | A kind of portable defectoscope defect positioning method |
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| Publication Number | Publication Date |
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| CN105486757A CN105486757A (en) | 2016-04-13 |
| CN105486757B true CN105486757B (en) | 2018-06-29 |
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| CN201510977393.6A Expired - Fee Related CN105486757B (en) | 2015-12-23 | 2015-12-23 | A kind of portable defectoscope defect positioning method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387647A (en) * | 2018-03-16 | 2018-08-10 | 南通友联数码技术开发有限公司 | Lorry axle defect positioning device |
| CN109541039A (en) * | 2018-12-24 | 2019-03-29 | 南京林城亿轮轨道交通技术有限公司 | Portable rolling stock wheel structures the formation method to rim ultrasonic flaw detection probe |
| CN111693673A (en) * | 2020-06-22 | 2020-09-22 | 重庆快捷长征无损检测有限责任公司 | Monorail vehicle hollow shaft detection device that detects a flaw |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634637A (en) * | 2009-08-06 | 2010-01-27 | 柴吕波 | Bearing pipe video online detection device |
| CN201773090U (en) * | 2010-08-18 | 2011-03-23 | 北京新联铁科技发展有限公司 | Ultrasonic flaw detection adapter |
| CN201984056U (en) * | 2011-01-31 | 2011-09-21 | 北京新联铁科技发展有限公司 | Hollow-axle ultrasonic flaw-detecting machine |
| CN204101509U (en) * | 2014-08-01 | 2015-01-14 | 南京林城亿轮轨道交通技术有限公司 | Contactless leakage of fault detecting probe rod of hollow axle |
| CN104865312A (en) * | 2015-04-23 | 2015-08-26 | 南京航空航天大学 | Multiple unit train hollow shaft ultrasonic detection system and detection method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4893322B2 (en) * | 2006-03-23 | 2012-03-07 | 株式会社デンソー | Ultrasonic sensor |
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2015
- 2015-12-23 CN CN201510977393.6A patent/CN105486757B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634637A (en) * | 2009-08-06 | 2010-01-27 | 柴吕波 | Bearing pipe video online detection device |
| CN201773090U (en) * | 2010-08-18 | 2011-03-23 | 北京新联铁科技发展有限公司 | Ultrasonic flaw detection adapter |
| CN201984056U (en) * | 2011-01-31 | 2011-09-21 | 北京新联铁科技发展有限公司 | Hollow-axle ultrasonic flaw-detecting machine |
| CN204101509U (en) * | 2014-08-01 | 2015-01-14 | 南京林城亿轮轨道交通技术有限公司 | Contactless leakage of fault detecting probe rod of hollow axle |
| CN104865312A (en) * | 2015-04-23 | 2015-08-26 | 南京航空航天大学 | Multiple unit train hollow shaft ultrasonic detection system and detection method |
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| CN105486757A (en) | 2016-04-13 |
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Effective date of registration: 20200324 Address after: No. 2, Xiu Yu Road, Binjiang Development Zone, Jiangning District, Nanjing, Jiangsu Patentee after: NANJING DIKAI ELECTRICAL AUTOMATION Co.,Ltd. Address before: 32, No. 1, No. 211100, Jishan Avenue, Jiangning Economic Development Zone, Jiangsu, Nanjing Patentee before: NANJING E-RIM TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20200630 Address after: No.43, Xingmin North Road, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Zhongcheng Yilun Rail Transit Technology Co.,Ltd. Address before: No. 2, Xiu Yu Road, Binjiang Development Zone, Jiangning District, Nanjing, Jiangsu Patentee before: NANJING DIKAI ELECTRICAL AUTOMATION Co.,Ltd. |
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Granted publication date: 20180629 Termination date: 20211223 |