CN109085240A - A kind of manifold type detecting flaw of wheel detection device - Google Patents
A kind of manifold type detecting flaw of wheel detection device Download PDFInfo
- Publication number
- CN109085240A CN109085240A CN201810820072.9A CN201810820072A CN109085240A CN 109085240 A CN109085240 A CN 109085240A CN 201810820072 A CN201810820072 A CN 201810820072A CN 109085240 A CN109085240 A CN 109085240A
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- Prior art keywords
- wheel
- detection device
- flaw
- transducer array
- linear transducer
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- 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
- G01N29/28—Details, e.g. general constructional or apparatus details providing acoustic coupling, e.g. water
-
- 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
- G01N2291/10—Number of transducers
- G01N2291/106—Number of transducers one or more transducer arrays
-
- 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
- G01N2291/269—Various geometry objects
- G01N2291/2696—Wheels, Gears, Bearings
Abstract
The present invention discloses a kind of manifold type detecting flaw of wheel detection device, including load rail disposed in parallel and guard rail, flaw detection pedestal, wheel position sensors and elastic ultrasonic coupling part are fixedly installed between load rail and guard rail, linear transducer array is provided on flaw detection pedestal, elastic ultrasonic coupling part is covered on above linear transducer array, and carrying out flaw detection device is additionally provided with the spray hole for spraying coupling liquid.The present invention covers one layer of elastic ultrasonic coupling part by the detecting head surface in detection zone, it can directly be contacted with wheel tread to avoid ultrasonic probe at wheel region after testing, to reduce the abrasion to probe, extend probe service life, simultaneously, such carrying out flaw detection device is not high to environmental requirement, and maintenance also facilitates.
Description
Technical field
The present invention relates to detecting flaw of wheel detection fields, and in particular to a kind of manifold type detecting flaw of wheel detection device.
Background technique
With the development of Chinese Railway, railroad train starts that speed is getting faster, cross-channel is increasingly longer, density is more next
Bigger, train load is increasingly heavier, and wheel is the key component for being related to railroad train operational safety, to guarantee railroad train
Safe operation, detect a flaw it is necessary to carry out daily online dynamic to wheel.
Train wheel online dynamically mainly detected a flaw and liquid immersion type ultrasonic examination two using contact ultrasonic by flaw detection at present
Kind mode: contact ultrasonic flaw detection is detected a flaw by directly contacting ultrasonic probe with workpiece surface, this flaw detection side
Formula has that probe abrasion is big, workpiece surface requires that high (wheel surface answers that smooth, cannot to have apparent pit, burr, greasy dirt etc. different
Object), unstable (due to ultrasonic probe and wheel tread dynamic Contact, probe can be left with the rolling of wheel for coupling effect
Right swing) the shortcomings that；Liquid immersion type ultrasonic examination by the ultrasonic wave that emits ultrasonic probe by liquid enter workpiece into
Row flaw detection, this flaw detection mode have environmental suitability poor (it is required that liquid and outside air hardly can have the temperature difference, liquid
In can not have bubble and liquid and need completely without obvious pollution), maintenance inconvenient (need to keep in sink full of water) the disadvantages of.
Therefore, a kind of small probe abrasion is designed, good environmental adaptability, detecting flaw of wheel detection device easy to maintain have
Very important meaning.
Summary of the invention
In view of this, the present invention provides a kind of manifold type detecting flaw of wheel detection device, pass through the spy in detection zone
Head surface covers one layer of elastic ultrasonic coupling part, can to avoid ultrasonic probe at wheel region after testing directly and wheel
Tyre tread contact extends probe service life to reduce the abrasion to probe, meanwhile, such carrying out flaw detection device is to environment
Of less demanding, maintenance also facilitates.The invention is realized by the following technical scheme:
A kind of manifold type detecting flaw of wheel detection device, including load rail disposed in parallel and guard rail, the load rail and shield
It is provided with flaw detection pedestal, wheel position sensors and elastic ultrasonic coupling part between rail, is provided with probe on the flaw detection pedestal
Array, the elasticity ultrasonic coupling part are covered on above the linear transducer array, and the carrying out flaw detection device is additionally provided with for spraying
Spill the spray hole of coupling liquid.
Further, the material of the elastic ultrasonic coupling part is rubber.
Further, the linear transducer array includes at least two sections of linear transducer array sections, and every section of linear transducer array section is at least one
Wheel circumference, wherein at least one section of linear transducer array section is all made of double-crystal normal probe, at least one section of linear transducer array Duan Quan
Portion is made of wide-angle angle probe.
Further, the linear transducer array includes the ultrasonic probe of at least two column with load rail parallel arrangement.
It further, is non-resilient fixation between the linear transducer array and the flaw detection pedestal.
Further, the spray hole includes the first spray hole and the second spray hole, and first spray hole is used for institute
The lower surface sprinkling coupling liquid of elastic ultrasonic coupling part is stated, second spray hole is used for the elastic ultrasonic coupling part
Spray coupling liquid in surface.
Further, the wheel position sensors are fixed on the inside of the guard rail by sensor stand.
Further, the elastic ultrasonic coupling part is fixed on the flaw detection pedestal or the elasticity ultrasound coupling
Component is fixed at the inside or lower section of the load rail or guard rail.
Manifold type detecting flaw of wheel detection device provided by the invention is by covering one layer of elastic ultrasonic coupling in detecting head surface
Part can directly be contacted with wheel tread to avoid ultrasonic probe at wheel region after testing, to reduce to probe
Abrasion extends probe service life, meanwhile, such carrying out flaw detection device is not high to environmental requirement, and maintenance also facilitates, secondly,
Rubber is set by the material of elastic ultrasonic coupling part, it, can be with wheel since rubber has certain thickness and compressibility
Tyre tread is bonded well, so not needing wheel tread surface in flaw detection has very high finish, is improved to inspection
The adaptability of environment is surveyed, in addition, the fixed relationship between ultrasonic probe and flaw detection pedestal is non-resilient fixation, probe will not be with
Wheel advance be compressed downwardly or swing, can guarantee the coupling stability of ultrasonic probe and wheel, improve detection
Precision.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention.
Fig. 2 is left view structural representation of the invention.
Fig. 3 is overlooking structure diagram of the invention.
Appended drawing reference: 1-flaw detection pedestal, 2-load rails, 3-linear transducer arrays, 4-elastic ultrasonic coupling parts, 5-wheels,
6-guard rails, 7-wheel position sensors, 8-sensor stands, 9-spray holes.
Specific embodiment
It is with reference to the accompanying drawing and specific real in order to make those skilled in the art more fully understand technical solution of the present invention
Applying example, the present invention is described in further detail.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, the present embodiment provides a kind of manifold type detecting flaw of wheel detection devices, including set in parallel
The load rail 2 and guard rail 6 set are fixedly installed flaw detection pedestal 1, wheel position sensors 7 and bullet between load rail 2 and guard rail 6
Property ultrasonic coupling part 4, be provided with linear transducer array 3 on pedestal 1 of detecting a flaw, elastic ultrasonic coupling part 4 is covered on above linear transducer array 3,
Carrying out flaw detection device is additionally provided with the spray hole 9 for spraying coupling liquid.
What needs to be explained here is that detection device provided in this embodiment is mounted in detection zone, it to be used for wheel 5
Dynamic on-line monitoring, wherein linear transducer array 3 includes several ultrasonic probes, and all ultrasonic probes are by elastic ultrasound
Male part 4 covers, and the length of linear transducer array 3 is at least a wheel circumference, flaw detection pedestal 1, wheel position sensors 7 and elasticity
Ultrasonic coupling part 4 is fixedly installed between load rail 2 and guard rail 6, when it is implemented, wheel position sensors 7 can
To be fixedly installed on 6 inside of guard rail by sensor stand 8, elastic ultrasonic coupling part 4 can be fixed at flaw detection pedestal 1
On, elastic ultrasonic coupling part 4 can also be fixed at the inside or lower section of load rail 2 or guard rail 6.
It should also be noted that, linear transducer array 3, wheel position sensors 7 and spray hole 9 in liquid-jet device with control
Device connection detects the position signal of wheel by wheel position sensors 7 first and incites somebody to action when wheel advances to detection zone
Wheel position signal sends controller to, and controller is controlled according to the wheel position signal received from wheel position sensors 7
Liquid-jet device sprays coupling liquid to the upper and lower surface of elastic ultrasonic coupling part 4, while controlling corresponding probe and issuing ultrasonic signal
Carrying out flaw detection is carried out, when detection, elastic ultrasonic coupling part 4 is pushed certain distance by wheel 5, and (after wheel 5 passes through, i.e., external force is eliminated
Afterwards, elastic ultrasonic coupling part 4 is restored to original state), it comes into full contact with elastic ultrasonic coupling part lower surface with probe and (does not detect
When, there are the gaps of very little between the lower surface and probe of elastic ultrasonic coupling part 4), probe passes through coupling liquid and elasticity ultrasound
Male part 4 and wheel 5 carry out ultrasonic coupling, to carry out carrying out flaw detection.In the present embodiment, the quantity of wheel position sensors 7
Related with the travel speed of wheel 5, i.e., when train detection speed is higher, the wheel position sensors for needing to arrange are more, but
It is that the arrangement upper limit is usually no more than 150, in addition, probe quantity and sequence that a wheel position sensors 7 can trigger are
Set in the controller in advance, user as needed and deployment scenarios self-settinies, flexibility ratio height, can save the cost,
Probe, which does not receive trigger signal, will not issue ultrasonic signal.Implement the present embodiment when, due to pop one's head in not directly with wheel 5
Contact can effectively reduce the abrasion to probe, extend probe service life.
Preferably, the material of the elastic ultrasonic coupling part 4 in the present embodiment can be rubber.Since rubber has centainly
Thickness and compressibility, can be bonded well with wheel tread, thus flaw detection when do not need wheel tread table
There is very high finish in face, to improve the present embodiment to the adaptability of detection environment.
Specifically, the linear transducer array 3 in the present embodiment includes at least two sections of linear transducer array sections, and every section of linear transducer array section is at least
For a wheel circumference, wherein at least one section of linear transducer array section is all made of double-crystal normal probe, at least one section probe battle array
Column section is all made of wide-angle angle probe.
What needs to be explained here is that double-crystal normal probe is two combinations singly popped one's head in, it is mainly used for longitudinal wave flaw detection, in twin crystal
Probe portion has a sound energy concentration zones, the defects of palpus detecting area detectivity can be improved, while can reduce from sound
Noise other than energy concentration zones, so as to improve signal-to-noise ratio；Auxiliary of the wide-angle angle probe as double-crystal normal probe, it is main to use
In detection with transversal waves；In the present embodiment, 6 meters can be set by the length of entire linear transducer array, wherein 3 meters be double-crystal normal probe, 3
Rice is wide-angle angle probe, and such arrangement at least can completely detect the circle of wheel two, to improve the detection essence of whole device
Degree.
Specifically, linear transducer array 3 includes the ultrasonic probe of at least two column with load rail parallel arrangement, in the present embodiment,
It is non-resilient fixation between linear transducer array 3 and flaw detection pedestal 1.It is fixed on linear transducer array 3 is non-resilient on flaw detection pedestal 1, it can be with
Probe is avoided to be compressed or swung downwards with wheel advance when detecting, to effectively improve the coupling between probe and wheel
It is right, guarantee detection accuracy.
Specifically, spray hole 9 includes the first spray hole and the second spray hole, and the first spray hole is used for the elasticity ultrasound
Coupling liquid is sprayed in the lower surface of male part 4, and the second spray hole is used to spray coupling liquid to the upper surface of elastic ultrasonic coupling part 4.
When the present embodiment is embodied, the position of the first spray hole and the second spray hole can self-setting according to the actual situation, only
Guarantee that spray hole can spray upper coupling liquid to the upper and lower surfaces of elastic ultrasonic coupling part 4 simultaneously, specifically, the
One spray hole can be set on flaw detection pedestal 1, also can be set on load rail 2 or guard rail 6, load rail can also be arranged in
2 or the inside of guard rail 6 or lower section；Second spray hole can be set on load rail 2 or guard rail 6, also can be set in load rail 2 or
6 outside of guard rail.
In the present embodiment, the track in carrying out flaw detection section uses special double track structure, and load rail 2 is for bearing 5 He of wheel
Car body weight, guard rail 6 avoid wheel play for limiting wheel rim, when wheel 5 is by carrying out flaw detection section, the load of wheel 5
There is the lateral surface for becoming wheel rim tyre tread at wheel rim tyre tread rolling circle in position, leads at ultrasonic probe and wheel tread rolling circle at this time
Rubber contact is crossed, and is detected a flaw to wheel.
The above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
Limitation of the invention, protection scope of the present invention should be defined by the scope defined by the claims..For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change
It also should be regarded as protection scope of the present invention into retouching.
Claims (8)
1. a kind of manifold type detecting flaw of wheel detection device, which is characterized in that including load rail (2) disposed in parallel and guard rail (6),
Flaw detection pedestal (1), wheel position sensors (7) and the ultrasonic coupling of elasticity are fixedly installed between the load rail (2) and guard rail (6)
Component (4) is provided with linear transducer array (3) on the flaw detection pedestal (1), and the elasticity ultrasonic coupling part (4) is covered on the spy
Above, the carrying out flaw detection device is additionally provided with the spray hole (9) for spraying coupling liquid to head array (3).
2. a kind of manifold type detecting flaw of wheel detection device according to claim 1, which is characterized in that the ultrasonic coupling of elasticity
The material of component (4) is rubber.
3. a kind of manifold type detecting flaw of wheel detection device according to claim 1, which is characterized in that the linear transducer array
It (3) include at least two sections of linear transducer array sections, every section of linear transducer array section is at least a wheel circumference, wherein at least one section spy
Head array section is all made of double-crystal normal probe, and at least one section of linear transducer array section is all made of wide-angle angle probe.
4. a kind of manifold type detecting flaw of wheel detection device according to claim 1, which is characterized in that the linear transducer array
(3) include at least two column with load rail parallel arrangement ultrasonic probe.
5. a kind of manifold type detecting flaw of wheel detection device according to claim 1, which is characterized in that the linear transducer array
It (3) is non-resilient fixation between the flaw detection pedestal (1).
6. a kind of manifold type detecting flaw of wheel detection device according to claim 1, which is characterized in that the spray hole (9)
Including the first spray hole and the second spray hole, first spray hole is used for the lower surface to the elastic ultrasonic coupling part (4)
Coupling liquid is sprayed, second spray hole is used to spray coupling liquid to the upper surface of the elastic ultrasonic coupling part (4).
7. a kind of manifold type detecting flaw of wheel detection device according to claim 1, which is characterized in that the wheel position passes
Sensor (7) is fixed on the inside of the guard rail (6) by sensor stand (8).
8. a kind of manifold type detecting flaw of wheel detection device according to claim 1, which is characterized in that the ultrasonic coupling of elasticity
Component (4) is fixed on the flaw detection pedestal (1) or the elastic ultrasonic coupling part (4) is fixed at the load
The inside or lower section of rail (2) or guard rail (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810820072.9A CN109085240A (en) | 2018-07-24 | 2018-07-24 | A kind of manifold type detecting flaw of wheel detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810820072.9A CN109085240A (en) | 2018-07-24 | 2018-07-24 | A kind of manifold type detecting flaw of wheel detection device |
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| Publication Number | Publication Date |
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| CN109085240A true CN109085240A (en) | 2018-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810820072.9A Pending CN109085240A (en) | 2018-07-24 | 2018-07-24 | A kind of manifold type detecting flaw of wheel detection device |
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Citations (7)
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|---|---|---|---|---|
| CN102356311A (en) * | 2009-03-18 | 2012-02-15 | Bp北美公司 | Dry-coupled permanently installed ultrasonic sensor linear array |
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| CN103558295A (en) * | 2013-11-06 | 2014-02-05 | 北京欧宁航宇检测技术有限公司 | Anhydrous coupling device for ultrasonic detection |
| CN203643407U (en) * | 2013-11-06 | 2014-06-11 | 北京欧宁航宇检测技术有限公司 | Anhydrous coupling device for ultrasonic detection |
| CN206002488U (en) * | 2016-08-31 | 2017-03-08 | 成都铁安科技有限责任公司 | Automated ultrasonic axletree defectoscope and its spray fat assembly, probe carrier mechanism |
| CN206906324U (en) * | 2017-07-14 | 2018-01-19 | 常州朗视试验检测有限公司 | A kind of couplant bringing device of the online ultrasonic automatic detection system of wheel |
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2018
- 2018-07-24 CN CN201810820072.9A patent/CN109085240A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102356311A (en) * | 2009-03-18 | 2012-02-15 | Bp北美公司 | Dry-coupled permanently installed ultrasonic sensor linear array |
| CN103448751A (en) * | 2013-09-22 | 2013-12-18 | 西南交通大学 | Noncontact wheel position sensing device |
| CN103558295A (en) * | 2013-11-06 | 2014-02-05 | 北京欧宁航宇检测技术有限公司 | Anhydrous coupling device for ultrasonic detection |
| CN203643407U (en) * | 2013-11-06 | 2014-06-11 | 北京欧宁航宇检测技术有限公司 | Anhydrous coupling device for ultrasonic detection |
| CN103558292A (en) * | 2013-11-08 | 2014-02-05 | 西南交通大学 | Probe array for on-line dynamic train wheel set flaw detection device |
| CN206002488U (en) * | 2016-08-31 | 2017-03-08 | 成都铁安科技有限责任公司 | Automated ultrasonic axletree defectoscope and its spray fat assembly, probe carrier mechanism |
| CN206906324U (en) * | 2017-07-14 | 2018-01-19 | 常州朗视试验检测有限公司 | A kind of couplant bringing device of the online ultrasonic automatic detection system of wheel |
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Application publication date: 20181225 |
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