CN107727741A - Railway track flaw detection wheel probe and railway track method of detection - Google Patents
Railway track flaw detection wheel probe and railway track method of detection Download PDFInfo
- Publication number
- CN107727741A CN107727741A CN201710998122.8A CN201710998122A CN107727741A CN 107727741 A CN107727741 A CN 107727741A CN 201710998122 A CN201710998122 A CN 201710998122A CN 107727741 A CN107727741 A CN 107727741A
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- railway track
- wheel
- hurt
- wheel probe
- echo
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- 239000000523 sample Substances 0.000 title claims abstract description 77
- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000005259 measurement Methods 0.000 claims description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 10
- 238000004590 computer program Methods 0.000 description 7
- 238000013016 damping Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 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
- G01N29/04—Analysing solids
-
- 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
- G01N29/24—Probes
- G01N29/2493—Wheel shaped probes
-
- 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
- G01N2291/0234—Metals, e.g. steel
-
- 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
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
-
- 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
- G01N2291/26—Scanned objects
- G01N2291/262—Linear objects
- G01N2291/2623—Rails; Railroads
Landscapes
- 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)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
Detected a flaw the invention discloses a kind of railway track and take turns probe and railway track method of detection, the ultrasonic transducer of multiple angles is provided with wheel probe；The ultrasonic transducer of the multiple angles is used to measure railway track hurt echo, and the railway track hurt echo is used to determine railway track hurt position；The ultrasonic transducer of the multiple angles includes 0 ° of ultrasonic transducer, 0 ° of ultrasonic transducer is additionally operable to measure railway track interface echo, the railway track interface echo is used for the distance for determining the wheel probe and railway track, and the distance of the wheel probe and railway track is used to correct railway track hurt position.The present invention can be accurately positioned railway track hurt.
Description
Technical field
The present invention relates to railway art, more particularly to railway track flaw detection wheel probe and railway track method of detection.
Background technology
Railway track inspection car is typically using wheel probe.Railway track inspection car typically up to detection speed is 80km/h.
In normal detection, wheel probe can make ultrasonic wave enter the sound path of railway track and change, cause iron with vehicle up-down vibration
The position inaccurate of hurt inside the rail of road.At present, wheel probe is reduced by the way of probe mechanical structure damping is taken turns in increase to shake
Dynamic amplitude, but vibrate still inevitable.
The content of the invention
The embodiment of the present invention provides a kind of railway track flaw detection wheel probe, described to be accurately positioned railway track hurt
The ultrasonic transducer of multiple angles is provided with wheel probe；
The ultrasonic transducer of the multiple angles is used to measure railway track hurt echo, the railway track hurt echo
For determining railway track hurt position；
The ultrasonic transducer of the multiple angles includes 0 ° of ultrasonic transducer, and 0 ° of ultrasonic transducer is additionally operable to measure iron
Road rail interface echo, the railway track interface echo are used to determine the wheel probe and the distance of railway track, the wheel
The distance of probe and railway track is used to correct railway track hurt position.
The embodiment of the present invention also provides a kind of railway track method of detection, to be accurately positioned railway track hurt, the iron
Road rail examination method includes：
According to the railway track hurt echo of wheel probe measurement, railway track hurt position, the railway track wound are determined
The ultrasonic transducer for damaging multiple angles during echo is popped one's head in by wheel measures；
According to the railway track interface echo of wheel probe measurement, it is determined that wheel probe and the distance of railway track, the railway
0 ° of ultrasonic transducer measurement during rail interface echo is popped one's head in by wheel；
According to the distance of wheel probe and railway track, amendment railway track hurt position.
In embodiments of the present invention, 0 ° of ultrasonic transducer measurement railway track interface echo in being popped one's head in by wheel, for determining
The distance of wheel probe and railway track, the distance are used to correct railway track hurt position, the railway track hurt position of amendment
It is more accurate compared with prior art, so as to reach the purpose for being accurately positioned railway track hurt.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.In the accompanying drawings：
Fig. 1 is the schematic diagram of railway track flaw detection wheel probe in the embodiment of the present invention；
Fig. 2 is the schematic diagram of railway track method of detection in the embodiment of the present invention；
Difference schematic diagrames of the Fig. 3 for railway track method of detection in the embodiment of the present invention relative to prior art.
Embodiment
For the purpose, technical scheme and advantage of the embodiment of the present invention are more clearly understood, below in conjunction with the accompanying drawings to this hair
Bright embodiment is described in further details.Here, the schematic description and description of the present invention is used to explain the present invention, but simultaneously
It is not as a limitation of the invention.
Inventor shakes it is considered that although wheel probe can be reduced by the way of probe mechanical structure damping is taken turns in increase at present
Dynamic amplitude, but vibration is still inevitable, therefore, in order that the positioning of railway track hurt is more accurate, it may be considered that according to vibration
To carry out the amendment of railway track hurt positioning, so as to improve the degree of accuracy of railway track hurt positioning.Based on this, in the present invention
A kind of railway track flaw detection wheel probe is proposed in embodiment.
Fig. 1 is the schematic diagram of railway track flaw detection wheel probe in the embodiment of the present invention, as shown in figure 1, being set in wheel probe 1
There is the ultrasonic transducer 10 of multiple angles；
The ultrasonic transducer 10 of the multiple angles is used to measure railway track hurt echo, and the railway track hurt is returned
Ripple is used to determine railway track hurt position；
The ultrasonic transducer 10 of the multiple angles includes 0 ° of ultrasonic transducer 101, and 0 ° of ultrasonic transducer 101 is also used
In measurement railway track interface echo, the railway track interface echo is used to determine wheel probe and the distance of railway track, institute
The distance for stating wheel probe and railway track is used to correct railway track hurt position.
As described above, in embodiments of the present invention, 0 ° of ultrasonic transducer measurement railway track interface echo in being popped one's head in by wheel,
For determining the distance of wheel probe and railway track, the distance is used to correct railway track hurt position, so as to be accurately positioned iron
Road rail defects and failures.
In embodiment, 0 ° of ultrasonic transducer can measure railway track interface echo in real time in wheel probe so that according to iron
The distance of wheel probe and railway track that road rail interface echo determines is a real-time, dynamic numerical value, true reflection wheel probe
Vibration, to correct railway track hurt position.
In embodiment, then as shown in figure 1, wheel probe 1 outside can be enclosed with wheel skin 20, play protection wheel probe, increase
The effects such as wheel probe mechanical structure damping.Micromicro is taken turns to use rubber-like material.Certainly, implementing the outside of hour wheel probe 1 can be with
Using other structures mode, other materials such as can also be used using wheel skin, wheel skin, associated change example all should fall into the present invention's
Protection domain.
Again as shown in figure 1, coupling liquid 30 can be full of in wheel probe 1.Coupling liquid can set the coupling liquid of pressure.Coupling
The measurement error of ultrasonic transducer in wheel probe can be reduced by closing the filling of liquid.
The railway track 2 contacted with wheel probe 1 is also show in Fig. 1.
A kind of railway track method of detection is additionally provided in the embodiment of the present invention, as shown in Fig. 2 this method includes：
Step 201, the railway track hurt echo according to wheel probe measurement, determine railway track hurt position, the iron
The ultrasonic transducer of multiple angles measures during road rail defects and failures echo is popped one's head in by wheel；
Step 202, the railway track interface echo according to wheel probe measurement, it is determined that the distance of wheel probe and railway track,
0 ° of ultrasonic transducer measurement during the railway track interface echo is popped one's head in by wheel；
Step 203, the distance according to wheel probe and railway track, amendment railway track hurt position.
The wheel probe used in above-mentioned railway track method of detection can use the structure shown in Fig. 1, including multiple angles
Ultrasonic transducer, including 0 ° of ultrasonic transducer.In one embodiment, wheel probe is outside can wrap up wheel skin.Specifically
In example, wheel micromicro is with using rubber-like material.In one embodiment, coupling liquid can be full of in wheel probe.
In embodiment, the railway track hurt echo according to wheel probe measurement, railway track hurt position is determined, can
With including：According to the railway track hurt echo of wheel probe measurement, railway track hurt sound path is determined；According to railway track hurt
Sound path, determine railway track hurt position.
In embodiment, the railway track interface echo according to wheel probe measurement, it is determined that wheel probe and railway track
Distance, it can include：According to the railway track interface echo of wheel probe measurement, railway track interface sound path is determined；According to railway
Rail interface sound path, it is determined that the distance of wheel probe and railway track.
Fig. 3 shows that railway track method of detection is relative to the difference of prior art in the embodiment of the present invention.Such as Fig. 3 institutes
Show, the ultrasonic transducer measurement for taking turns multiple angles in probe obtains railway track hurt echo, in the prior art, is visited according to wheel
The mechanical erection size of head obtains the theoretical sound path t0 that ultrasonic wave enters rail, and railway is determined according to railway track hurt echo
Rail defects and failures sound path t1, obtain railway track hurt position；And in embodiments of the present invention, 0 ° of ultrasonic transduction in also being popped one's head in by wheel
Device measures railway track interface echo, and railway track interface sound path t2 is determined according to railway track interface echo, so as to dynamic
Determine the distance of wheel probe and railway track, true reflection wheel probe vibration situation, to correct railway track hurt position.
Obviously, the railway track hurt position of amendment is more accurate.The transmitted wave and bottom ripple of ultrasonic transducer are also show in Fig. 3.
In summary, in embodiments of the present invention, 0 ° of ultrasonic transducer measurement railway track interface echo in being popped one's head in by wheel,
For determining the distance of wheel probe and railway track, the distance is used to correct railway track hurt position, the railway track of amendment
Hurt position is more accurate compared with prior art, so as to reach the purpose for being accurately positioned railway track hurt.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can use the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more
The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processors of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Particular embodiments described above, the purpose of the present invention, technical scheme and beneficial effect are carried out further in detail
Describe in detail it is bright, should be understood that the foregoing is only the present invention specific embodiment, the guarantor being not intended to limit the present invention
Scope is protected, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., should be included in this
Within the protection domain of invention.
Claims (10)
1. a kind of railway track flaw detection wheel probe, it is characterised in that the ultrasonic transducer of multiple angles is provided with the wheel probe；
The ultrasonic transducer of the multiple angles is used to measure railway track hurt echo, and the railway track hurt echo is used for
Determine railway track hurt position；
The ultrasonic transducer of the multiple angles includes 0 ° of ultrasonic transducer, and 0 ° of ultrasonic transducer is additionally operable to measure rail iron
Rail interface echo, the railway track interface echo are used for the distance for determining the wheel probe and railway track, the wheel probe
It is used to correct railway track hurt position with the distance of railway track.
2. railway track flaw detection wheel probe as claimed in claim 1, it is characterised in that the wheel probe outer wrap has wheel
Skin.
3. railway track flaw detection wheel probe as claimed in claim 2, it is characterised in that the wheel skin uses rubber-like material.
4. railway track flaw detection wheel probe as claimed in claim 1, it is characterised in that be full of coupling liquid in the wheel probe.
A kind of 5. railway track method of detection, it is characterised in that including：
According to the railway track hurt echo of wheel probe measurement, railway track hurt position is determined, the railway track hurt is returned
The ultrasonic transducer of multiple angles measures during ripple is popped one's head in by wheel；
According to the railway track interface echo of wheel probe measurement, it is determined that wheel probe and the distance of railway track, the railway track
0 ° of ultrasonic transducer measurement during interface echo is popped one's head in by wheel；
According to the distance of wheel probe and railway track, amendment railway track hurt position.
6. railway track method of detection as claimed in claim 5, it is characterised in that the rail iron according to wheel probe measurement
Rail hurt echo, railway track hurt position is determined, including：
According to the railway track hurt echo of wheel probe measurement, railway track hurt sound path is determined；
According to railway track hurt sound path, railway track hurt position is determined.
7. the railway track method of detection as described in claim 5 or 6, it is characterised in that the iron according to wheel probe measurement
Road rail interface echo, it is determined that the distance of wheel probe and railway track, including：
According to the railway track interface echo of wheel probe measurement, railway track interface sound path is determined；
According to railway track interface sound path, it is determined that the distance of wheel probe and railway track.
8. railway track method of detection as claimed in claim 5, it is characterised in that the wheel probe outer wrap has wheel skin.
9. railway track method of detection as claimed in claim 8, it is characterised in that the wheel skin uses rubber-like material.
10. railway track method of detection as claimed in claim 5, it is characterised in that be full of coupling liquid in the wheel probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710998122.8A CN107727741A (en) | 2017-10-24 | 2017-10-24 | Railway track flaw detection wheel probe and railway track method of detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710998122.8A CN107727741A (en) | 2017-10-24 | 2017-10-24 | Railway track flaw detection wheel probe and railway track method of detection |
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| Publication Number | Publication Date |
|---|---|
| CN107727741A true CN107727741A (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710998122.8A Pending CN107727741A (en) | 2017-10-24 | 2017-10-24 | Railway track flaw detection wheel probe and railway track method of detection |
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| Country | Link |
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| CN (1) | CN107727741A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190346408A1 (en) * | 2016-12-05 | 2019-11-14 | The Regents Of The University Of California | Ultrasonic inspection of railroad tracks |
| CN112014464A (en) * | 2019-05-28 | 2020-12-01 | 北京云率数据科技有限公司 | Automatic steel rail welding seam identification system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230915A (en) * | 2011-04-07 | 2011-11-02 | 华南理工大学 | Device and method for flaw detection of small crawler-type rails based on three-way ultrasonic diffraction |
| CN103207097A (en) * | 2013-04-03 | 2013-07-17 | 中国铁道科学研究院铁道建筑研究所 | Dynamic detection method of track stiffness |
| CN104359983A (en) * | 2014-11-03 | 2015-02-18 | 中国铁道科学研究院 | Centering system and method for steel rail flaw detection device |
-
2017
- 2017-10-24 CN CN201710998122.8A patent/CN107727741A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230915A (en) * | 2011-04-07 | 2011-11-02 | 华南理工大学 | Device and method for flaw detection of small crawler-type rails based on three-way ultrasonic diffraction |
| CN103207097A (en) * | 2013-04-03 | 2013-07-17 | 中国铁道科学研究院铁道建筑研究所 | Dynamic detection method of track stiffness |
| CN104359983A (en) * | 2014-11-03 | 2015-02-18 | 中国铁道科学研究院 | Centering system and method for steel rail flaw detection device |
Non-Patent Citations (1)
| Title |
|---|
| 李培 等: "高速轮式钢轨探伤变距式超声波发射模式的设计与应用" * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190346408A1 (en) * | 2016-12-05 | 2019-11-14 | The Regents Of The University Of California | Ultrasonic inspection of railroad tracks |
| US11828728B2 (en) * | 2016-12-05 | 2023-11-28 | The Regents Of The University Of California | Ultrasonic inspection of railroad tracks using railcar mounted ultrasonic receivers |
| CN112014464A (en) * | 2019-05-28 | 2020-12-01 | 北京云率数据科技有限公司 | Automatic steel rail welding seam identification system and method |
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Address after: No. 10, Fuxing Road, Haidian District, Beijing Applicant after: CHINA RAILWAY Corp. Applicant after: CHINA ACADEMY OF RAILWAY SCIENCES Corp.,Ltd. Applicant after: Infrastructure Inspection Institute of China Railway Science Research Institute Group Co.,Ltd. Applicant after: BEIJING IMAP TECHNOLOGY Co.,Ltd. Address before: No. 10, Fuxing Road, Haidian District, Beijing Applicant before: CHINA RAILWAY Corp. Applicant before: CHINA ACADEMY OF RAILWAY SCIENCES Applicant before: INFRASTRUCTURE INSPECTION Research Institute CHINA ACADEMY OF RAILWAY SCIENCES Applicant before: BEIJING IMAP TECHNOLOGY Co.,Ltd. |
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Application publication date: 20180223 |