CN105606714A - Calibration block and calibration method for ultrasonic probe used for flaw detection of locomotive wheelset - Google Patents
Calibration block and calibration method for ultrasonic probe used for flaw detection of locomotive wheelset Download PDFInfo
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- CN105606714A CN105606714A CN201510867015.2A CN201510867015A CN105606714A CN 105606714 A CN105606714 A CN 105606714A CN 201510867015 A CN201510867015 A CN 201510867015A CN 105606714 A CN105606714 A CN 105606714A
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Abstract
The invention discloses a calibration block and calibration method for an ultrasonic probe used for flaw detection of a locomotive wheelset. The calibration block comprises a covering block capable of totally covering the ultrasonic probe on a rail and a calibration block body connected with the covering block, wherein an artificial defect corresponding to the ultrasonic probe is arranged in the calibration block body. According to the invention, through arrangement of the covering block, interference by other ultrasonic probes on the rail is avoided and positioning is realized; and the ultrasonic probe is calibrated in virtue of the calibration block body provided with the artificial defect. Thus, the calibration block realizes calibration of an individual ultrasonic probe on the rail without dismounting the ultrasonic probe for calibration, so calibration of the ultrasonic probe is effectively simplified and calibration efficiency of the ultrasonic probe is improved; and since the ultrasonic probe does not need to dismount, the labor amount of workers is effectively reduced.
Description
Technical field
The present invention relates to ultrasonic probe calibration technique field, more particularly, relate to a kind of Railway wheelsetCalibrating block and the scaling method of ultrasonic probe for flaw detection.
Background technology
In order to ensure the safety traffic of train, need regularly train to be detected particularly Railway wheelset.At present, mainly adopt ultrasonic examination technology to carry out line flaw detection to Railway wheelset, concrete, at trackOn multiple ultrasonic probe modules are set, each ultrasonic probe module is called array ultrasonic probe, itsComprise multiple ultrasonic probes, Railway wheelset is through in the process of track, and ultrasonic probe is detected a flaw.
In order to ensure the accuracy of flaw detection, need periodic calibrating ultrasonic probe, detect ultrasonic probePerformance whether qualified. At present, the method for demarcation ultrasonic probe is: on track, pull down ultrasonic wave and visitHead, to avoid the interference of other ultrasonic probes, is then positioned over reference block by ultrasonic probe enterprisingRow detects to be demarcated.
The demarcation of above-mentioned ultrasonic probe, need to dismantle ultrasonic probe, causes the demarcation of ultrasonic probeMore complicated, make the demarcation efficiency of ultrasonic probe lower.
In addition, need to dismantle ultrasonic probe and demarcate, cause staff's the amount of labour also larger.
In sum, how demarcating ultrasonic probe, to improve the demarcation efficiency of ultrasonic probe, is orderFront those skilled in the art's problem demanding prompt solution.
Summary of the invention
The object of this invention is to provide a kind of calibrating block of Railway wheelset flaw detection ultrasonic probe, to improveThe demarcation efficiency of ultrasonic probe. Another object of the present invention is to provide a kind of Railway wheelset and detects a flaw with ultrasonicThe scaling method of ripple probe.
To achieve these goals, the invention provides following technical scheme:
A calibrating block for ultrasonic probe for Railway wheelset flaw detection, comprising:
The cover that the whole ultrasonic probe on track can be covered is established piece;
Establish with described cover the calibrating block body that piece is connected, described calibrating block body interior is provided with for describedThe artificial defect that ultrasonic probe is corresponding.
Preferably, described artificial defect is positioned at the ultrasonic wave accumulation regions of described ultrasonic probe transmitting.
Preferably, described artificial defect is cylindrical cavity.
Preferably, in described cylindrical cavity, filled up silica gel.
Preferably, described cover is established piece and described calibrating block body is integral type structure.
Preferably, described cover is established the center line of piece and the centerline collineation of described calibrating block body.
Preferably, described calibrating block is rectangular-shaped.
Preferably, described cover is established the center line of piece and the center line of described calibrating block body tilts.
Preferably, described calibrating block body and described cover are established piece and are bloom.
The calibrating block of ultrasonic probe for Railway wheelset flaw detection provided by the invention, establishes piece by cover and has avoidedThe interference of other ultrasonic probes on track, has also realized location, has the mark of artificial defect by insideDetermine block body and realized the demarcation to ultrasonic probe, this calibrating block realized single the surpassing on trackSonic probe is demarcated, and without ultrasonic probe is disassembled and demarcated, has effectively simplified superThe demarcation of sonic probe, thus the demarcation efficiency of ultrasonic probe improved; Meanwhile, ultrasonic without dismountingRipple is popped one's head in, and has also effectively reduced staff's the amount of labour.
Based on the calibrating block of the above-mentioned Railway wheelset flaw detection ultrasonic probe providing, the present invention also providesA scaling method for ultrasonic probe for Railway wheelset flaw detection, this Railway wheelset flaw detection ultrasonic probeScaling method comprise step:
1) by sheathed the above-mentioned calibrating block providing ultrasonic probe to be detected in orbit;
2) described ultrasonic probe is detected a flaw to the artificial defect in described calibrating block;
3) if the detection data of described ultrasonic probe whether in preset range, described ultrasonic probeQualified, if the detection data of described ultrasonic probe not in described preset range or described ultrasonic wave visitHead is without detection data, and described ultrasonic probe is defective.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to realityThe accompanying drawing of executing required use in example or description of the Prior Art is briefly described, apparently, belowAccompanying drawing in description is only embodiments of the invention, for those of ordinary skill in the art, notPay under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
The Railway wheelset flaw detection that Fig. 1 provides for the embodiment of the present invention one of the calibrating block of ultrasonic probeThe use schematic diagram of structure;
Another of the calibrating block of ultrasonic probe for the Railway wheelset flaw detection that Fig. 2 provides for the embodiment of the present inventionPlant the use schematic diagram of structure;
Another of the calibrating block of ultrasonic probe for the Railway wheelset flaw detection that Fig. 3 provides for the embodiment of the present inventionPlant the use schematic diagram of structure;
The Railway wheelset flaw detection that Fig. 4 provides for the embodiment of the present invention being looked up with the calibrating block of ultrasonic probeFigure.
In upper Fig. 1-4:
1 establishes piece, 3 for calibrating block body, 4 is for artificial defect, 5 is for holding tank for cover for ultrasonic probe, 2.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried outDescribe clearly and completely, obviously, described embodiment is only the present invention's part embodiment, andNot whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art are not doingGo out the every other embodiment obtaining under creative work prerequisite, all belong to the scope of protection of the invention.
As Figure 1-4, the calibrating block of ultrasonic probe for the Railway wheelset flaw detection that the embodiment of the present invention providesComprise: cover is established piece 2, establishes with cover the calibrating block body 3 that piece 2 is connected. Wherein, cover establish piece 2 can be by railWhole ultrasonic probe 1 on road covers, and all outer surfaces of ultrasonic probe 1 established piece 2 and cover by cover,Ultrasonic probe 1 is surrounded entirely. Calibrating block body 3 inside are provided with for right with ultrasonic probe 1The artificial defect 4 of answering.
It should be noted that, after cover is established piece 2 and is located on ultrasonic probe 1, the top of ultrasonic probe 1End is fitted with the inwall that cover is established piece 2, to ensure normal demarcation. Artificial defect 4 for ultrasonic probe 1Correspondence,, in the time that this calibrating block is set on ultrasonic probe 1, artificial defect 4 is positioned at ultrasonic probe 1In the ultrasound beamformer area of coverage sending, the center line of artificial defect 4 and this ultrasonic probe 1 sendUltrasound beamformer is vertical. Be understandable that, detect different ultrasonic probe 1, artificial defect 4 is not justWith.
Be understandable that, cover is established piece 2 can be by the covering of the whole ultrasonic probe 1 on track,Show that cover establishes piece 2 and have holding tank 5, to hold ultrasonic probe 1, as shown in Figure 4. Wherein, holdGroove 5 degree of depth are slightly smaller than the maximal dilation amount of ultrasonic probe 1 along holding tank 5 depth directions, have been convenient to holdReceive the top of groove 5 and the top of ultrasonic probe 1 and fit well, improve the reliability of calibration result.For fear of the interference of other ultrasonic probes 1 on track, require cover establish piece 2 be difficult for excessive, otherwiseCan not realize sheathed.
In Fig. 1-3, dotted arrow represents the ultrasound beamformer that ultrasonic probe 1 is launched.
The calibrating block of ultrasonic probe for the Railway wheelset flaw detection that the embodiment of the present invention provides, establishes piece 2 by coverAvoid the interference of other ultrasonic probes 1 on track, also realized location, had manually by insideThe calibrating block body 3 of defect 4 has been realized the demarcation to ultrasonic probe 1, this calibrating block realized rightSingle ultrasonic probe 1 on track is demarcated, without ultrasonic probe 1 is disassembled and carried outDemarcate, effectively simplified the demarcation of ultrasonic probe 1, thereby improved the demarcation effect of ultrasonic probe 1Rate; Meanwhile, without dismounting ultrasonic probe 1, also effectively reduced staff's the amount of labour.
In order to improve demarcation accuracy, preferentially select artificial defect 4 to be positioned at super that ultrasonic probe 1 launchesSound wave accumulation regions. Certainly, also can select artificial defect 4 to be positioned at the ultrasonic probe corresponding with it 1 launchesUltrasonic wave accumulation regions near, also can correspondingly improve demarcation accuracy. Demarcating for artificial defect 4Particular location in block body 3, the ultrasonic wave acoustic beam that need to launch according to ultrasonic probe to be detected 1Angle and sound field focusing district are definite, and the embodiment of the present invention does not limit this.
For the shape of artificial defect 4, can design according to actual needs. Preferably, artificial defect 4For cylindrical cavity. For the size of cylindrical cavity, need to design according to actual needs, thisBright embodiment does not limit this.
Further, in cylindrical cavity, fill up silica gel, like this, can be convenient to artificial defect 4 detectedArrive.
Make for convenient, piece 2 established by preferential selection cover and calibrating block body 3 is integral type structure; Meanwhile,Also the seam of having avoided cover to establish piece 2 and calibrating block body 3 affects calibration result, has improved demarcation accuracy.
The calibrating block of ultrasonic probe for the Railway wheelset flaw detection that above-described embodiment provides, need to be according to demarcationIts shape of ultrasonic probe 1 design. Concrete, if the ultrasonic probe 1 of demarcating is normal probe,The preferential cover of selecting is established the center line of piece 2 and the centerline collineation of calibrating block body 3. Further, demarcateBlock body 3 is rectangular-shaped, as shown in Figure 1. Like this, also can effectively reduce making calibrating block requiredMaterial, has reduced cost of manufacture.
It should be noted that, the center line of piece 2 established by cover and the center line of calibrating block body 3 all refers to perpendicularCenter line in facing directly.
If the non-normal probe of ultrasonic probe 1 of demarcating is sheathed in order conveniently to carry out, the preferential cover of selecting is established piece 2Center line and the center line of calibrating block body 3 tilt, as shown in Figures 2 and 3. Establish piece 2 for coverCenter line and the angle of inclination of the center line of calibrating block body 3, need to visit according to ultrasonic wave to be calibrated1 determines, the embodiment of the present invention does not limit this.
For the material of calibrating block body 3, need to select according to Railway wheelset to be detected a flaw. Specifically, select material identical with Railway wheelset material or that material is close to make calibrating block body 3. Preferably,Calibrating block body 3 is bloom. Further, bloom adopts axles steel manufacture.
For easy to use, preferentially select the above-mentioned Railway wheelset flaw detection calibrating block of ultrasonic probe also to wrapDraw together: be arranged at the handle of demarcating on body 3. Like this, facilitated this calibrating block of taking. Further,Handle is arranged on the top end face of calibrating block body 3. In order to facilitate people to hold handle, preferentially select handleHand is that plastic handles or handle overcoat have plastic sheath.
For the shape of handle, can design according to actual needs. Preferably, handle is curved.
The calibrating block of the Railway wheelset flaw detection ultrasonic probe providing based on above-described embodiment, the present invention is realExecute example a kind of scaling method of Railway wheelset flaw detection ultrasonic probe is also provided, this Railway wheelset flaw detectionComprise step with the scaling method of ultrasonic probe:
S01: on the sheathed ultrasonic probe 1 to be detected in orbit of calibrating block that above-described embodiment is provided;
S02: ultrasonic probe 1 is detected a flaw to the artificial defect 4 in calibrating block;
S03: if the detection data of ultrasonic probe 1 whether in preset range, ultrasonic probe 1 closesLattice, if the detection data of ultrasonic probe 1 not in preset range or ultrasonic probe 1 without surveying numberAccording to, ultrasonic probe 1 is defective.
The scaling method of ultrasonic probe for the Railway wheelset flaw detection that the embodiment of the present invention provides, adopts and demarcatesPiece is directly demarcated the single ultrasonic probe 1 on track, without ultrasonic probe 1 is dismantled downDemarcate again, effectively simplified the demarcation of ultrasonic probe 1, thereby improved ultrasonic probe 1Demarcation efficiency; Meanwhile, without dismounting ultrasonic probe 1, also effectively reduced staff's the amount of labour.
It should be noted that, demarcate different ultrasonic probe 1, preset range can be identical, also can be different.For the concrete numerical value of preset range, need to set according to actual conditions, the embodiment of the present invention is to thisDo not limit.
To the above-mentioned explanation of the disclosed embodiments, make those skilled in the art realize or to use thisBright. To be apparent for a person skilled in the art to the multiple amendment of these embodiment, hereinIn defined General Principle can be in the situation that not departing from the spirit or scope of the present invention, real at otherExecute in example and realize. Therefore, the present invention will can not be restricted to these embodiment shown in this article, but wantMeet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a calibrating block for ultrasonic probe for Railway wheelset flaw detection, is characterized in that, comprising:
The cover that the whole ultrasonic probe (1) on track can be covered is established piece (2);
Establish with described cover the calibrating block body (3) that piece (2) is connected, described calibrating block body (3) insideBe provided with for the artificial defect (4) corresponding with described ultrasonic probe (1).
2. calibrating block according to claim 1, is characterized in that, described artificial defect (4) positionIn the ultrasonic wave accumulation regions of described ultrasonic probe (1) transmitting.
3. calibrating block according to claim 1, is characterized in that, described artificial defect (4) isCylindrical cavity.
4. calibrating block according to claim 3, is characterized in that, in described cylindrical cavity, fills upThere is silica gel.
5. calibrating block according to claim 1, is characterized in that, described cover is established piece (2) and instituteState calibrating block body (3) for integral type structure.
6. calibrating block according to claim 1, is characterized in that, described cover establish piece (2) inThe centerline collineation of heart line and described calibrating block body (3).
7. calibrating block according to claim 6, is characterized in that, described calibrating block is rectangular-shaped.
8. calibrating block according to claim 1, is characterized in that, described cover establish piece (2) inThe center line of heart line and described calibrating block body (3) tilts.
9. calibrating block according to claim 1, is characterized in that, described calibrating block body (3)Establish piece (2) with described cover and be bloom.
10. a scaling method for ultrasonic probe for Railway wheelset flaw detection, is characterized in that, comprises stepRapid:
1) by sheathed calibrating block as claimed in any one of claims 1-9 wherein to be detected ultrasonic in orbitOn ripple probe (1);
2) described ultrasonic probe (1) is detected a flaw to the artificial defect in described calibrating block (4);
3) if the detection data of described ultrasonic probe (1) in preset range, described ultrasonic wave is visitedHead (1) qualified, if the detection data of described ultrasonic probe (1) not in described preset range orDescribed ultrasonic probe (1) is without detection data, and described ultrasonic probe (1) is defective.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510867015.2A CN105606714A (en) | 2015-12-01 | 2015-12-01 | Calibration block and calibration method for ultrasonic probe used for flaw detection of locomotive wheelset |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510867015.2A CN105606714A (en) | 2015-12-01 | 2015-12-01 | Calibration block and calibration method for ultrasonic probe used for flaw detection of locomotive wheelset |
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| CN105606714A true CN105606714A (en) | 2016-05-25 |
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| CN201510867015.2A Pending CN105606714A (en) | 2015-12-01 | 2015-12-01 | Calibration block and calibration method for ultrasonic probe used for flaw detection of locomotive wheelset |
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| CN109374754A (en) * | 2018-11-07 | 2019-02-22 | 广州地铁集团有限公司 | A kind of Detection capability scaling method of steel rail ultrasonic flaw detecting equipment |
| CN115144471A (en) * | 2022-06-17 | 2022-10-04 | 杭州申昊科技股份有限公司 | Probe calibration system of rail flaw detection vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109374754A (en) * | 2018-11-07 | 2019-02-22 | 广州地铁集团有限公司 | A kind of Detection capability scaling method of steel rail ultrasonic flaw detecting equipment |
| CN115144471A (en) * | 2022-06-17 | 2022-10-04 | 杭州申昊科技股份有限公司 | Probe calibration system of rail flaw detection vehicle |
| CN115144471B (en) * | 2022-06-17 | 2024-04-23 | 杭州申昊科技股份有限公司 | Probe calibration system of rail flaw detection vehicle |
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Application publication date: 20160525 |
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