CN105301116A - Calibration block and calibration method for ultrasonic probe array for flaw detection of train wheel set - Google Patents
Calibration block and calibration method for ultrasonic probe array for flaw detection of train wheel set Download PDFInfo
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- CN105301116A CN105301116A CN201510870579.1A CN201510870579A CN105301116A CN 105301116 A CN105301116 A CN 105301116A CN 201510870579 A CN201510870579 A CN 201510870579A CN 105301116 A CN105301116 A CN 105301116A
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- ultrasonic probe
- calibrating block
- block body
- calibration
- flaw detection
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Abstract
The invention discloses a calibration block and a calibration method for an ultrasonic probe array for flaw detection of a train wheel set. The calibration block for the ultrasonic probe array for the flaw detection of the train wheel set comprises a calibration block body capable of attaching to the ultrasonic probe array on a rail and a positioning piece for positioning the calibration block body at the ultrasonic probe array, wherein artificial defects corresponding to ultrasonic probes one by one in the ultrasonic probe array are arranged in the calibration block body, and the calibration block body is provided with a positioning groove for accommodating the positioning piece. The calibration block for the ultrasonic probe array for the flaw detection of the train wheel set realizes the simultaneous calibration of the multiple ultrasonic probes, and effectively improves the calibration efficiency of the ultrasonic probes; meanwhile, the ultrasonic probe array on the rail is directly calibrated without the need of detaching the ultrasonic probe array for calibration, the calibration efficiency of the ultrasonic probes is effectively improved, and the labor of workers is reduced.
Description
Technical field
The present invention relates to ultrasonic probe calibration technique field, more particularly, relate to a kind of calibrating block and scaling method of Railway wheelset flaw detection array ultrasonic probe.
Background technology
In order to ensure the safety traffic of train, need regularly to detect train, particularly Railway wheelset.At present, main employing UT (Ultrasonic Testing) technology carries out line flaw detection to Railway wheelset, concrete, multiple ultrasonic probe module is set in orbit, each ultrasonic probe module is called array ultrasonic probe, it comprises multiple ultrasonic probe, and Railway wheelset is in the process of track, and ultrasonic probe is detected a flaw.
In order to ensure the accuracy of detecting a flaw, need periodic calibrating ultrasonic probe, whether the performance namely detecting ultrasonic probe is qualified.At present, the method for demarcating ultrasonic probe is: on track, pull down ultrasonic probe, each probe is coupled in the enterprising rower of reference block respectively fixed.
The demarcation of above-mentioned ultrasonic probe, once only can demarcate a ultrasonic probe, because the number of ultrasonic probe is more, causes the demarcation efficiency of ultrasonic probe lower.
In addition, the demarcation of above-mentioned ultrasonic probe, needs to dismantle ultrasonic probe, causes the demarcation of ultrasonic probe more complicated, make the demarcation efficiency of ultrasonic probe lower, and the labor capacity of staff is also larger.
In sum, how demarcating ultrasonic probe, to improve the demarcation efficiency of ultrasonic probe, is current 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 array ultrasonic probe, to improve the demarcation efficiency of ultrasonic probe.Another object of the present invention is to provide a kind of scaling method of Railway wheelset flaw detection array ultrasonic probe.
To achieve these goals, the invention provides following technical scheme:
A calibrating block for Railway wheelset flaw detection array ultrasonic probe, comprising:
The calibrating block body can fitted with the array ultrasonic probe on track, described calibrating block body interior be provided with for ultrasonic probe artificial defect one to one in described array ultrasonic probe;
For described calibrating block body being positioned the keeper of described array ultrasonic probe;
Wherein, described calibrating block body is provided with the locating slot holding described keeper.
Preferably, described artificial defect is positioned at the ultrasound wave accumulation area that the described ultrasonic probe corresponding with it is launched.
Preferably, described artificial defect is cylindrical cavity.
Preferably, the number of described keeper at least two, the number of described locating slot is identical with the number of described keeper.
Preferably, described calibrating block body is rectangular-shaped, and the number of described locating slot is four, and described locating slot is distributed in four drift angle places of the bottom face of described calibrating block body.
Preferably, described keeper is register pin.
Preferably, described keeper and described locating slot threaded engagement.
Preferably, described calibrating block body is bloom.
Preferably, the calibrating block of above-mentioned Railway wheelset flaw detection array ultrasonic probe also comprises: be arranged at the handle on described calibrating block body.
The calibrating block of Railway wheelset flaw detection array ultrasonic probe provided by the invention, can fit with array ultrasonic probe, and inside has and the artificial defect one to one of ultrasonic probe in array ultrasonic probe, then this calibrating block can be demarcated whole array ultrasonic probe, namely multiple ultrasonic probe is demarcated simultaneously, compared with once only demarcating a ultrasonic probe with prior art, effectively improve the demarcation efficiency of ultrasonic probe.
Simultaneously, the calibrating block of Railway wheelset flaw detection array ultrasonic probe provided by the invention, can fit with the array ultrasonic probe on track, then direct this calibrating block is placed on array ultrasonic probe in orbit, demarcate again without the need to array ultrasonic probe is disassembled, effectively simplify the demarcation of ultrasonic probe, thus improve the demarcation efficiency of ultrasonic probe; Without the need to dismantling ultrasonic probe, also reduce the labor capacity of staff.
Based on the calibrating block of the above-mentioned Railway wheelset flaw detection array ultrasonic probe provided, present invention also offers a kind of scaling method of Railway wheelset flaw detection array ultrasonic probe, the scaling method of this Railway wheelset flaw detection array ultrasonic probe comprises step:
1) by array ultrasonic probe to be detected in orbit for the above-mentioned calibrating block location provided;
2) ultrasonic probe in described array ultrasonic probe is detected a flaw to the artificial defect in described calibrating block;
3) if the detection data of described ultrasonic probe is in preset range, then described ultrasonic probe is qualified, if the detection data of described ultrasonic probe not in described preset range or described ultrasonic probe without detection data, then described ultrasonic probe is defective.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The use schematic diagram of the calibrating block of the Railway wheelset flaw detection array ultrasonic probe that Fig. 1 provides for the embodiment of the present invention;
The upward view of the calibrating block of the Railway wheelset flaw detection array ultrasonic probe that Fig. 2 provides for the embodiment of the present invention.
In upper Fig. 1-2:
1 be handle, 2 be artificial defect, 3 be calibrating block body, 4 be keeper, 5 be ultrasonic probe, 6 be array ultrasonic probe, 7 for locating slot.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As depicted in figs. 1 and 2, the calibrating block of Railway wheelset flaw detection array ultrasonic probe that the embodiment of the present invention provides comprises: calibrating block body 3 and keeper 4; Wherein, calibrating block body 3 can be fitted with the array ultrasonic probe 6 on track, and calibrating block body 3 inside is provided with artificial defect 2, artificial defect 2 for ultrasonic probe 5 one_to_one corresponding in array ultrasonic probe 6; Keeper 4 is for being positioned calibrating block body 3 for array ultrasonic probe 6, and calibrating block body 3 is provided with the locating slot 7 holding keeper 4.
In Fig. 1, dotted arrow represents the ultrasound beamformer that ultrasonic probe 5 is launched.
It should be noted that, artificial defect 2 for ultrasonic probe 5 one_to_one corresponding in array ultrasonic probe 6, namely, when this calibrating block is placed on array ultrasonic probe 6, the ultrasound beamformer that the center line of artificial defect 2 and the ultrasonic probe 5 corresponding with it send is vertical.Be understandable that, the number of artificial defect 2 is identical with the number of ultrasonic probe 5 in array ultrasonic probe 6.
Because keeper 4 is for being positioned calibrating block body 3 for array ultrasonic probe 6, calibrating block body 3 is provided with the locating slot 7 holding keeper 4, then array ultrasonic probe 6 is also provided with the holding tank for holding keeper 4.
The calibrating block of the Railway wheelset flaw detection array ultrasonic probe that the embodiment of the present invention provides, can fit with array ultrasonic probe 6, and inside has and the artificial defect 2 one to one of ultrasonic probe 5 in array ultrasonic probe 6, then this calibrating block can be demarcated whole array ultrasonic probe 6, namely multiple ultrasonic probe 5 is demarcated simultaneously, compared with once only demarcating a ultrasonic probe 5 with prior art, effectively improve the demarcation efficiency of ultrasonic probe 5.
Simultaneously, the calibrating block of this bright Railway wheelset flaw detection array ultrasonic probe provided of embodiment, can fit with the array ultrasonic probe 6 on track, then direct this calibrating block is placed on array ultrasonic probe 6 in orbit, demarcate again without the need to array ultrasonic probe 6 is disassembled, effectively simplify the demarcation of ultrasonic probe 5, thus improve the demarcation efficiency of ultrasonic probe 5; Without the need to dismantling ultrasonic probe 5, also reduce the labor capacity of staff.
In order to improve demarcation accuracy, prioritizing selection artificial defect 2 is positioned at the ultrasound wave accumulation area that the ultrasonic probe 5 corresponding with it is launched.Certainly, artificial defect 2 also can be selected to be positioned near the ultrasound wave accumulation area of ultrasonic probe 5 transmitting corresponding with it, also can correspondingly to improve demarcation accuracy.For the particular location of artificial defect 2 in calibrating block body 3, need according to ultrasonic probe 5 to be detected launch ultrasonic acoustic beam angle and sound field focusing district determine, the embodiment of the present invention does not limit this.
For the shape of artificial defect 2, can design according to actual needs.Preferably, artificial defect 2 is cylindrical cavity.For the size of cylindrical cavity, need to design according to actual needs, the embodiment of the present invention does not limit this.Certainly, also can select to fill up silica gel in cylindrical cavity, be not limited to above-described embodiment.
In order to improve locating effect, the number of prioritizing selection keeper 4 at least two.Be understandable that, the number of locating slot 7 is identical with the number of keeper 4.Further, keeper 4 is evenly distributed on the bottom face of locating piece body 3.It should be noted that, the bottom face of locating piece body 3 refers to the face of locating piece body 3 for fitting with array ultrasonic probe 6.
Because the top end face of array ultrasonic probe 6 is generally rectangle, then prioritizing selection calibrating block body 3 is in rectangular-shaped, like this, also can effectively reduce the material made needed for calibrating block, reduce cost of manufacture.
Further, the number of locating slot 7 is four, and locating slot 7 is distributed in four drift angle places of the bottom face of calibrating block body 3.Certainly, calibrating block body 3 also can be selected in cube-shaped, be not limited to above-mentioned shape.
In the calibrating block of above-mentioned Railway wheelset flaw detection array ultrasonic probe, keeper 4 can be register pin, backstay, positioning screw etc.Conveniently locate, prioritizing selection keeper 4 is register pin.Conveniently mount and dismount, keeper 4 and locating slot 7 threaded engagement, concrete, be provided with internal thread in locating slot 7, keeper 4 is provided with the external thread with this screw-internal thread fit.
Certainly, keeper 4 also can be other structures, and is connected with locating slot 7 by other structures, such as, by buckle structure connection etc.
For the material of calibrating block body 3, need to select according to Railway wheelset to be detected a flaw.Concrete, select identical with Railway wheelset material or that material is close material to make calibrating block body 3.Preferably, calibrating block body 3 is bloom.Further, bloom adopts axles steel manufacture.
Conveniently use, the calibrating block of prioritizing selection above-mentioned Railway wheelset flaw detection array ultrasonic probe also comprises: be arranged at the handle 1 on calibrating block body 3.Like this, this calibrating block of taking is facilitated.Further, handle 1 is arranged on the top end face of calibrating block body 3.Conveniently people holds handle 1, and prioritizing selection handle 1 has plastic jacket for plastic handles or handle 1 overcoat.
For the shape of handle 1, can design according to actual needs.Preferably, handle 1 is curved.
Based on the calibrating block of the Railway wheelset flaw detection array ultrasonic probe that above-described embodiment provides, the embodiment of the present invention additionally provides a kind of scaling method of Railway wheelset flaw detection array ultrasonic probe, and the scaling method of this Railway wheelset flaw detection array ultrasonic probe comprises step:
S01: on the array ultrasonic probe that the calibrating block location provided by above-described embodiment is to be detected in orbit:
Concrete, adopt keeper 4 to position, behind location, ensure that array ultrasonic probe 6 to be detected on calibrating block and track is fitted.
S02: the ultrasonic probe in array ultrasonic probe is detected a flaw to the artificial defect in calibrating block:
Each ultrasonic probe 5 in array ultrasonic probe 6 is detected a flaw to the artificial defect 2 corresponding with it.
S03: if the detection data of ultrasonic probe is in preset range, then ultrasonic probe is qualified, if the detection data of ultrasonic probe not in preset range or ultrasonic probe without detection data, then ultrasonic probe is defective:
It should be noted that, the detection data of each ultrasonic probe 5 can be different, and the preset range for the detection number of ultrasonic probe 5 needs to set according to actual requirement, and the preset range of the detection data of each ultrasonic probe 5 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 does not limit this.
The scaling method of the Railway wheelset flaw detection array ultrasonic probe that above-described embodiment provides, calibrating block is adopted directly to demarcate array ultrasonic probe 6, achieve and multiple ultrasonic probe 5 is demarcated simultaneously, compared with once only demarcating a ultrasonic probe 5 with prior art, effectively improve the demarcation efficiency of ultrasonic probe 5.
Simultaneously, the scaling method of this bright Railway wheelset flaw detection array ultrasonic probe provided of embodiment, the array ultrasonic probe 6 on track is directly demarcated by calibrating block, demarcate again without the need to array ultrasonic probe 6 is disassembled, effectively simplify the demarcation of ultrasonic probe 5, thus improve the demarcation efficiency of ultrasonic probe 5; Without the need to dismantling ultrasonic probe 5, also reduce the labor capacity of staff.
To the above-mentioned explanation of the disclosed embodiments, those skilled in the art are realized or uses the present invention.To be apparent for a person skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a calibrating block for Railway wheelset flaw detection array ultrasonic probe, is characterized in that, comprising:
The calibrating block body (3) can fitted with the array ultrasonic probe (6) on track, described calibrating block body (3) inside is provided with for ultrasonic probe (5) one to one artificial defect (2) middle with described array ultrasonic probe (6);
For described calibrating block body (3) being positioned the keeper (4) of described array ultrasonic probe (6);
Wherein, described calibrating block body (3) is provided with the locating slot (7) holding described keeper (4).
2. calibrating block according to claim 1, is characterized in that, described artificial defect (2) is positioned at the ultrasound wave accumulation area that the described ultrasonic probe (5) corresponding with it is launched.
3. calibrating block according to claim 1, is characterized in that, described artificial defect (2) is cylindrical cavity.
4. calibrating block according to claim 1, is characterized in that, the number at least two of described keeper (4), and the number of described locating slot (7) is identical with the number of described keeper (4).
5. calibrating block according to claim 4, it is characterized in that, described calibrating block body (3) is in rectangular-shaped, the number of described locating slot (7) is four, and described locating slot (7) is distributed in four drift angle places of the bottom face of described calibrating block body (3).
6. calibrating block according to claim 1, is characterized in that, described keeper (4) is register pin.
7. calibrating block according to claim 6, is characterized in that, described keeper (4) and described locating slot (7) threaded engagement.
8. calibrating block according to claim 1, is characterized in that, described calibrating block body (3) is bloom.
9. calibrating block according to claim 1, is characterized in that, also comprises: be arranged at the handle (1) on described calibrating block body (3).
10. a scaling method for Railway wheelset flaw detection array ultrasonic probe, is characterized in that, comprises step:
1) by array ultrasonic probe (6) to be detected in orbit for calibrating block location as claimed in any one of claims 1-9 wherein;
2) ultrasonic probe (5) in described array ultrasonic probe (6) is detected a flaw to the artificial defect (2) in described calibrating block;
3) if the detection data of described ultrasonic probe (5) is in preset range, then described ultrasonic probe (5) is qualified, if the detection data of described ultrasonic probe (5) not in described preset range or described ultrasonic probe (5) without detection data, then described ultrasonic probe (5) is defective.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510870579.1A CN105301116A (en) | 2015-12-01 | 2015-12-01 | Calibration block and calibration method for ultrasonic probe array for flaw detection of train wheel set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510870579.1A CN105301116A (en) | 2015-12-01 | 2015-12-01 | Calibration block and calibration method for ultrasonic probe array for flaw detection of train wheel set |
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| CN105301116A true CN105301116A (en) | 2016-02-03 |
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| CN201510870579.1A Pending CN105301116A (en) | 2015-12-01 | 2015-12-01 | Calibration block and calibration method for ultrasonic probe array for flaw detection of train wheel set |
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Citations (7)
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|---|---|---|---|---|
| CN102213695A (en) * | 2011-04-11 | 2011-10-12 | 中国铁道科学研究院金属及化学研究所 | Ultrasonic detecting calibration block for rail traffic vehicle wheel |
| CN102830182A (en) * | 2012-08-23 | 2012-12-19 | 中国神华能源股份有限公司 | Reference block used for small-angle longitudinal-wave detection and method of small-angle longitudinal-wave detection |
| CN202837253U (en) * | 2012-09-11 | 2013-03-27 | 马钢(集团)控股有限公司 | Test block assembly for train wheel ultrasonic flaw detection |
| CN202939160U (en) * | 2012-12-05 | 2013-05-15 | 南车长江车辆有限公司 | Ultrasonic phased array flaw detector sensitivity checking device |
| CN103267801A (en) * | 2013-04-22 | 2013-08-28 | 北京隆盛泰科石油管科技有限公司 | Submerged-arc welding line automatic-ultrasonic detection method for oil gas conveying steel pipe manufacture |
| CN105021712A (en) * | 2014-04-25 | 2015-11-04 | 宝山钢铁股份有限公司 | Three-channel probe verification method and dedicated verification test block |
| CN205157509U (en) * | 2015-12-01 | 2016-04-13 | 成都铁安科技有限责任公司 | Train wheel pair is detected a flaw with demarcation piece of ultrasonic transducer array |
-
2015
- 2015-12-01 CN CN201510870579.1A patent/CN105301116A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213695A (en) * | 2011-04-11 | 2011-10-12 | 中国铁道科学研究院金属及化学研究所 | Ultrasonic detecting calibration block for rail traffic vehicle wheel |
| CN102830182A (en) * | 2012-08-23 | 2012-12-19 | 中国神华能源股份有限公司 | Reference block used for small-angle longitudinal-wave detection and method of small-angle longitudinal-wave detection |
| CN202837253U (en) * | 2012-09-11 | 2013-03-27 | 马钢(集团)控股有限公司 | Test block assembly for train wheel ultrasonic flaw detection |
| CN202939160U (en) * | 2012-12-05 | 2013-05-15 | 南车长江车辆有限公司 | Ultrasonic phased array flaw detector sensitivity checking device |
| CN103267801A (en) * | 2013-04-22 | 2013-08-28 | 北京隆盛泰科石油管科技有限公司 | Submerged-arc welding line automatic-ultrasonic detection method for oil gas conveying steel pipe manufacture |
| CN105021712A (en) * | 2014-04-25 | 2015-11-04 | 宝山钢铁股份有限公司 | Three-channel probe verification method and dedicated verification test block |
| CN205157509U (en) * | 2015-12-01 | 2016-04-13 | 成都铁安科技有限责任公司 | Train wheel pair is detected a flaw with demarcation piece of ultrasonic transducer array |
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Application publication date: 20160203 |
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