CN102213695A - Ultrasonic detecting calibration block for rail traffic vehicle wheel - Google Patents
Ultrasonic detecting calibration block for rail traffic vehicle wheel Download PDFInfo
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- CN102213695A CN102213695A CN 201110090434 CN201110090434A CN102213695A CN 102213695 A CN102213695 A CN 102213695A CN 201110090434 CN201110090434 CN 201110090434 CN 201110090434 A CN201110090434 A CN 201110090434A CN 102213695 A CN102213695 A CN 102213695A
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Abstract
The invention discloses an ultrasonic detecting calibration block for a rail traffic vehicle wheel. The calibration block disclosed by the invention has the revolution body characteristics which are same as those of a vehicle wheel to be detected and is provided with a comparison part corresponding to the detection region of the vehicle wheel to be detected; the comparison part is provided with an inner structure for generating comparison signals according to the detection requirements; and the revolution radius of the calibration block is smaller than the revolution radius of the vehicle wheel to be detected. The calibration block disclosed by the invention can be used for carrying out the accurate automation detection on the rail traffic vehicle wheel and can save the production cost and is convenient to carry and use because of the advantages of small volume, simple structure and light weight.
Description
Technical field
The present invention relates to track traffic wheel ultrasound examination calibration block, relate in particular to the calibration block that is suitable for the robotization detection.
Background technology
Wheel is the important running part of all rail traffic vehicles, its quality, and particularly the internal soundness direct relation the traffic safety of vehicle.Therefore, must to new system and detect in the inherent vice of wheel of labour, guarantee the internal soundness safety of wheel.The method that is used to detect the wheel inherent vice in the prior art has a lot, and wherein ultrasound examination is a kind of lossless detection method relatively more commonly used.Before using ultrasound examination, at first need to choose the corresponding standard test block.This calibration block generally adopts the interior shape of some standards as artificial defect, as regular shapes such as flat-bottom hole, horizontal through holes, with the ultrasound wave return signal of the inherent vice of this standard as reference, do contrast with the ultrasound wave return signal that natural flaw in the tested workpiece of reality produces, thereby determine the equivalent size of defective in the tested workpiece.
At present, making in whole or in part of tested workpiece in kind generally adopted in the calibration block of track traffic wheel ultrasound examination both at home and abroad.She Ji purpose is in ultrasound wave return signal when contrast of carrying out artificial defect and natural flaw like this, eliminates calibration block and tested workpiece in the influence to the result of material and difference in shape as far as possible.
Use calibration block that wheel is detected and to adopt manual method, also can adopt automatic operation method.Detect for operating personnel's manual ultrasonic, the calibration block of wheel can adopt the part of tested wheel in kind to make, but the automated ultrasonic for wheel detects, when detecting such as the online ultrasound wave robotization of adopting array ultrasonic probe to carry out wheel, the piece calibration test block of adopting whole wheel in kind to make in the prior art is bulky, very heavy, when carrying out the ultrasonic probe calibration, test block sent into detect station up and down, the capital is difficulty very, usually need crane lifting, perhaps be transported to station, need several operating personnel to cooperate jointly usually and just can finish by special track.
Summary of the invention
The object of the present invention is to provide a kind of track traffic wheel ultrasound examination calibration block, it can guarantee the accuracy of inside wheel defects detection, and is also easy to carry and use.
To achieve these goals, calibration block of the present invention has following structure: a kind of calibration block, be used for the ultrasound examination of track traffic wheel, described calibration block has the solid of revolution feature identical with wheel to be measured, and be provided with the contrast position corresponding with the surveyed area of wheel to be measured, described contrast position needs according to detection and is provided with the inner structure that is used to produce contrast signal, and the turning radius of this calibration block is less than the turning radius of wheel to be measured.The turning radius of this calibration block be preferably wheel to be measured the turning radius 1/4th.
In one embodiment, calibration block does not comprise the pairing position of non-surveyed area on the wheel to be measured.And in another embodiment, described calibration block also is provided with the pairing non-contrast of the non-surveyed area position with wheel to be measured, and the shape and the structure at described non-contrast position are simplified.Described non-contrast position is preferably made by lightweight material.Because non-contrast position is simplified even omits, the global shape of calibration block and structure obtain simplifying, thereby its production and use are all more convenient.
The present invention also provides a kind of calibration block wheel right, is used for the ultrasound examination of track traffic wheel, the described wheel being formed by connecting by a pair of aforesaid any calibration block and an axis.Wherein, described a pair of calibration block can be identical or different calibration block.
Reference block of the present invention can be used in carries out the robotization detection exactly to the track traffic wheel, and because its volume is littler, and structure is simpler, weight is lighter, thereby has saved production cost, and is easy to carry and use.
Description of drawings
Fig. 1 is a kind of radial section synoptic diagram of wheel to be measured;
Fig. 2 is the radial section synoptic diagram of the described calibration block of a kind of embodiment among the present invention;
Fig. 3 is the radial section synoptic diagram of the described calibration block of another kind of embodiment among the present invention;
Fig. 4 is the right structural representation of calibration block wheel among the present invention.
Embodiment
Below with reference to accompanying drawing the specific embodiment of the present invention is described in detail.
Fig. 1 is a kind of radial section synoptic diagram of wheel to be measured 1 specifically, and wheel 1 to be measured comprises positions such as wheel rim 11, wheel rim 12, disc 13, wheel hub 14.These different positions all have inherent vice, need carry out ultrasound examination, thereby have formed different surveyed areas.
Fig. 2 is the schematic cross-section of wherein a kind of concrete calibration block 2 of the present invention.Calibration block 2 is a rotary structure,, has a turning axle that is, and this turning axle place, to intercept the cross section of this object in any direction all basic identical.Compare with wheel 1 to be measured, calibration block of the present invention has kept the solid of revolution characteristic of wheel to be measured, removes the artificial defect of making in test block, and is all basic identical in all directions by the cross section in axle center.It can be as the common wheel rotation of rolling, and therefore in the ultrasound examination calibration process, particularly the robotization for a plurality of ultrasonic probes detects, and can improve greatly and detect calibration effect and efficient.
Simultaneously, it is the corresponding wheel rim contrast position 21 of wheel rim 12 that reference block 2 among Fig. 2 is provided with the surveyed area of wheel 1 to be measured, described wheel rim contrast position 21 need be provided with the inner structure that is used to produce control signal according to concrete detection, with the detected state of accurate simulation wheel 1 to be measured.Yet in calibration block 2, the non-surveyed area on the wheel 1 to be measured comprises wheel hub 14 and disc 13 etc., all is omitted, and that is to say that calibration block 2 does not comprise the pairing position of non-surveyed area on the wheel 1 to be measured.Omit the non-surveyed area of wheel in the wheel alignment test block, do not have any influence for the ultrasound examination calibration, this is to be determined by the good characteristics of existing pulse reflection method ultrasound examination directive property.Specifically, pulse ultrasonic wave can run into the bigger interfaces of acoustic impedance difference such as defective along fixed-direction rectilinear propagation in testing process, will produce reflection, and when condition satisfied, the pulse ultrasonic wave after the reflection can be detected, the overall process that Here it is detects.In above-mentioned calibration block, the impulse ultrasound wave propagation is directed one dimension rectilinear propagation, and the zone that it was propagated also is the zone of its detection, when it detects on some directions, can not depend on that other is regional or be subjected to the influence in other zone.After adopting above-mentioned configuration, calibration block 2 also has the advantage that volume is littler, structure is simpler, weight is lighter under the prerequisite that guarantees the detection effect, thereby can save production cost, and is convenient to detect up and down station, also be easy to carry simultaneously, thereby improved the efficient of wheel ultrasound examination greatly.
Fig. 3 is the schematic cross-section of the concrete calibration block 3 of another kind.Calibration block 3 is compared with wheel 1 to be measured, and both have identical solid of revolution feature equally.Simultaneously, it is the corresponding wheel rim contrast position 31 of wheel rim 12 that reference block 3 is provided with the surveyed area of wheel 1 to be measured, and wheel rim contrast position 31 need be provided with the inner structure that is used to produce control signal according to detecting.Different with calibration block shown in Figure 22 is, calibration block 3 also is provided with the pairing non-contrast of the non-surveyed area position with wheel 1 to be measured, and the shape and the structure at described non-contrast position are simplified.Particularly, the non-surveyed area on the wheel 1 to be measured comprises wheel hub 14 and disc 13 etc., and more simple round platform of structure is arranged to it in this calibration block 3 accordingly, and its radius is also little than wheel to be measured 1.In specific embodiment, also other simple structures can be arranged in the pairing position of wheel 1 non-surveyed area to be measured, thereby simplify the one-piece construction of calibration block.With non-detection position is omitted the same, it is changed to simple other structures can not influence the right testing result of calibration wheel equally.
Calibration block described in the foregoing description all only shows the contrast position of a corresponding surveyed area, and still, each calibration block can also be provided with a plurality of contrasts position of corresponding a plurality of surveyed areas simultaneously according to the actual detected needs.Simultaneously, the radius of calibration block 2 can be arranged to less than wheel 1 to be measured, makes the structure of whole calibration block obtain simplifying.In the implementation process of reality, the radius of calibration block 2 is preferably 1/4th of wheel 1 to be measured.In addition, in order to make described calibration block 2 lighter, lightweight material can be selected during fabrication according to actual needs for use, such as plastics, aluminium alloy etc.
The concrete calibration block wheel that Fig. 4 is constituted for employing calibration block of the present invention needs to be suitable for specific detection 8.The calibration block wheel comprises calibration block 4 and calibration block 5 to 8, and both couple together with an axis 6.Contrast position 7 is set respectively in calibration block 4 and the calibration block 5.Certainly, forming the calibration block wheel can be for being used to detect the calibration block of same wheel to 8 calibration block, also can be for being used to detect the calibration block of different wheel.
Although above reference example and accompanying drawing describe the present invention, the present invention is not limited to above-mentioned concrete feature and design.To those skilled in the art, do not need in the above description with the size and dimension of each parts of numeric representation, these can come to determine as the case may be.Except given example, under the prerequisite that does not exceed the scope of the invention, those skilled in the art read above describe can make change or be equal to the scope that replacement all should belong to the present invention.
Claims (7)
1. calibration block, be used for the ultrasound examination of track traffic wheel, described calibration block has the solid of revolution feature identical with wheel to be measured and is provided with the contrast position corresponding with the surveyed area of wheel to be measured, described contrast position is provided with the artificial defect that is used to produce contrast signal according to detecting needs, this contrast position has identical cross section structure with surveyed area on the wheel to be measured, it is characterized in that the turning radius of this calibration block is less than the turning radius of wheel to be measured.
2. calibration block according to claim 1 is characterized in that, the turning radius of this calibration block be wheel to be measured the turning radius 1/4th.
3. calibration block according to claim 1 is characterized in that, described calibration block does not comprise the pairing position of non-surveyed area on the wheel to be measured.
4. calibration block according to claim 1 is characterized in that, described calibration block also is provided with the pairing non-contrast of the non-surveyed area position with wheel to be measured, and the shape and the structure at described non-contrast position are simplified.
5. calibration block according to claim 4 is characterized in that, described non-contrast position is made by lightweight material.
6. a calibration block wheel is right, is used for the ultrasound examination of track traffic wheel, it is characterized in that described the wheel being formed by connecting as the described calibration block of one of claim 1 to 5 and an axis by a pair of.
7. calibration block wheel according to claim 6 is right, it is characterized in that described a pair of calibration block is identical or different calibration block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110090434 CN102213695A (en) | 2011-04-11 | 2011-04-11 | Ultrasonic detecting calibration block for rail traffic vehicle wheel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110090434 CN102213695A (en) | 2011-04-11 | 2011-04-11 | Ultrasonic detecting calibration block for rail traffic vehicle wheel |
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| CN102213695A true CN102213695A (en) | 2011-10-12 |
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| CN 201110090434 Pending CN102213695A (en) | 2011-04-11 | 2011-04-11 | Ultrasonic detecting calibration block for rail traffic vehicle wheel |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267100A (en) * | 2014-10-24 | 2015-01-07 | 株洲时代电子技术有限公司 | Dynamic test method for rail flaw detection |
| CN104792880A (en) * | 2015-04-29 | 2015-07-22 | 清华大学 | Reference block for testing performances of probes of multi-channel hollow axle ultrasonic flaw-detecting machine |
| CN105301116A (en) * | 2015-12-01 | 2016-02-03 | 成都铁安科技有限责任公司 | Calibration block and calibration method for ultrasonic probe array for flaw detection of train wheel set |
| CN105424816A (en) * | 2015-12-14 | 2016-03-23 | 华北电力科学研究院有限责任公司 | Sensitivity calibration platform for shaft type detection tools |
| CN106338547A (en) * | 2016-09-07 | 2017-01-18 | 中车北京二七车辆有限公司 | Ultrasonic detection method of crack defect of pin workpiece |
| CN109085252A (en) * | 2018-10-23 | 2018-12-25 | 王河 | A kind of manufacturing method of the flat test block of ultrasound examination |
| CN110672722A (en) * | 2019-11-07 | 2020-01-10 | 山东省科学院激光研究所 | Locomotive wheel tread defect online detection system and method based on electromagnetic ultrasound |
| CN112964792A (en) * | 2021-02-01 | 2021-06-15 | 太原重工轨道交通设备有限公司 | Ultrasonic detection calibration test block for wheel rim and detection method |
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| FR2564202A1 (en) * | 1984-05-10 | 1985-11-15 | Ledieu Joel | Method and installation for detecting and monitoring the depth of cracks in components in use, in particular cracks in wheel hubs |
| CN2210394Y (en) * | 1994-04-23 | 1995-10-18 | 鞍山钢铁公司 | Test block for investigating flaws of steel plate when using ultrasonic testing |
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2011
- 2011-04-11 CN CN 201110090434 patent/CN102213695A/en active Pending
Patent Citations (2)
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| FR2564202A1 (en) * | 1984-05-10 | 1985-11-15 | Ledieu Joel | Method and installation for detecting and monitoring the depth of cracks in components in use, in particular cracks in wheel hubs |
| CN2210394Y (en) * | 1994-04-23 | 1995-10-18 | 鞍山钢铁公司 | Test block for investigating flaws of steel plate when using ultrasonic testing |
Non-Patent Citations (1)
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| 《无损检测》 20070731 陈宁宁等 机车车轮在线超声波检测方法研究 第402-403，428页 1-7 第29卷, 第7期 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267100A (en) * | 2014-10-24 | 2015-01-07 | 株洲时代电子技术有限公司 | Dynamic test method for rail flaw detection |
| CN104267100B (en) * | 2014-10-24 | 2017-02-15 | 株洲时代电子技术有限公司 | Dynamic test method for rail flaw detection |
| CN104792880A (en) * | 2015-04-29 | 2015-07-22 | 清华大学 | Reference block for testing performances of probes of multi-channel hollow axle ultrasonic flaw-detecting machine |
| CN105301116A (en) * | 2015-12-01 | 2016-02-03 | 成都铁安科技有限责任公司 | Calibration block and calibration method for ultrasonic probe array for flaw detection of train wheel set |
| CN105424816A (en) * | 2015-12-14 | 2016-03-23 | 华北电力科学研究院有限责任公司 | Sensitivity calibration platform for shaft type detection tools |
| CN105424816B (en) * | 2015-12-14 | 2019-08-23 | 华北电力科学研究院有限责任公司 | A kind of sensitivity calibration platform of Shaft testing tool |
| CN106338547A (en) * | 2016-09-07 | 2017-01-18 | 中车北京二七车辆有限公司 | Ultrasonic detection method of crack defect of pin workpiece |
| CN106338547B (en) * | 2016-09-07 | 2019-03-26 | 中车北京二七车辆有限公司 | A kind of pin class workpiece crack defect ultrasonic detection method |
| CN109085252A (en) * | 2018-10-23 | 2018-12-25 | 王河 | A kind of manufacturing method of the flat test block of ultrasound examination |
| CN109085252B (en) * | 2018-10-23 | 2021-06-25 | 王河 | Manufacturing method of flat-bottom test block for ultrasonic detection |
| CN110672722A (en) * | 2019-11-07 | 2020-01-10 | 山东省科学院激光研究所 | Locomotive wheel tread defect online detection system and method based on electromagnetic ultrasound |
| CN112964792A (en) * | 2021-02-01 | 2021-06-15 | 太原重工轨道交通设备有限公司 | Ultrasonic detection calibration test block for wheel rim and detection method |
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Application publication date: 20111012 |