CN207280973U - A kind of locomotive wheel tread detection device - Google Patents
A kind of locomotive wheel tread detection device Download PDFInfo
- Publication number
- CN207280973U CN207280973U CN201721178007.8U CN201721178007U CN207280973U CN 207280973 U CN207280973 U CN 207280973U CN 201721178007 U CN201721178007 U CN 201721178007U CN 207280973 U CN207280973 U CN 207280973U
- Authority
- CN
- China
- Prior art keywords
- wheel
- detection device
- testing agency
- detection
- ray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model embodiment discloses a kind of locomotive wheel tread detection device, belongs to nondestructive inspection detection technique field, including：Information acquisition system, for gathering wheel movable information.Described information acquisition system includes：Detent mechanism, is respectively arranged on the inside of track, for judging the position of the wheel.Testing agency, is arranged at the both sides of the wheel, and one end is connected with moving mechanism, and the other end is connected with light adjusting mechanism.Moving mechanism, is arranged at the both sides of the wheel, and is connected with one end of the testing agency.Light adjusting mechanism, is connected with the other end of the testing agency, for throw light.Nondestructive inspection carries out wheel using the utility model device, inspection speed is fast, the precision of detection and efficient, of low cost, has a vast market prospect.
Description
Technical field
The utility model belongs to nondestructive inspection detection technique field, more particularly to a kind of locomotive wheel tread detection device.
Background technology
At present, known train wheel nondestructive inspection rail set, including stock rail, work rail, guard rail and transducer
Detection, by disconnecting one section at symmetrical stock rail, splices one section of work rail in the outside transition of stock rail, carries wheel, lean on
The inner transition of nearly stock rail splices one section of guard rail, to prevent wheel rim play, and in the work rail of splicing and the area in guard rail space
Place transducer detection and its sensor in domain；Transducer detection is recycled, passes through the data acquisitions such as the external computer of line and place
Reason system, completes automatic detection work.In addition, known railway wheel on-line checking rail set is by working track and shield
Rail is arranged in parallel in rail pad and is embedded at the groove in rail pad with rail pad integrally connected, one end of the foot of working track lower part
It is interior, it is equipped with the connector of L-shaped on the upside of the other end of foot, the middle part stationary phase that the top of connector passes through bolt and working track
Even, the top of rail brace is all bolted on rail embedded in the downside of track gauge block, track gauge block on the lower part of connector and rail pad
On pad；Guard rail is fixedly linked by bolt with the fixed block set in its sidepiece rail pad.The prior art is all connect using piezoelectric supersonic
Touch method for detection fault detection is, it is necessary to couplant circuit, and due to contact flaw detection mode, wheel has impact to probe, easily causes
Probe abrasion, maintenance cost are high.It is and different using laser sound magnetic technology detection rail tread defect, detection rail in the prior art
The defects of position, be installed on special track using EMAT sensors, realizes that all standing to tread surface product near surface is examined
Survey, detection efficiency is low, and accuracy of detection is not high, can not meet existing testing conditions.
Utility model content
The purpose of this utility model is to provide a kind of locomotive wheel tread detection device, by being staggered in wheel both sides
Testing agency, to form the ray beam intersected, can comprehensively scan wheel contour state, enhance detection effect
Fruit, improves measurement efficiency.
To solve the problems of the prior art, the utility model provides a kind of locomotive wheel tread detection device, including：
Information acquisition system, for gathering wheel movable information；
Described information acquisition system includes：Detent mechanism, is respectively arranged on the inside of track, for judging the position of the wheel
Put；
Testing agency, is arranged at the both sides of the wheel, and one end is connected with moving mechanism, and the other end connects with light adjusting mechanism
Connect；
Moving mechanism, is arranged at the both sides of the wheel, and is connected with one end of the testing agency；
Light adjusting mechanism, is connected with the other end of the testing agency, for throw light.
Further, the detection device, wherein, the testing agency includes：
At least two ray generators, are respectively arranged at the inner side and outer side of the wheel, for divergent-ray light beam, with
Detect the surface of the wheel.
Further, the detection device, wherein, the shape of the ray generator is cylindric or prism-shaped.
Further, the detection device, wherein, the moving mechanism includes：
At least two balanced sequence cars, are respectively arranged at the inner side and outer side of the wheel, the number of the balanced sequence car
Measure and match with the quantity of the testing agency.
Further, the detection device, wherein, the upper surface of each balanced sequence car is provided with limiter,
The size and the size of the testing agency of the limiter port match.
Further, the detection device, wherein, light adjusting mechanism includes：
Housing, the housing are column, and the diameter of the housing is less than the diameter of the ray generator, the housing
It is height-adjustable；
Eyeglass, the eyeglass are arranged at the both ends of the housing, for reflecting the ray light of the ray generator transmitting
Beam.
Further, the detection device, wherein, the quantity of the smooth adjusting mechanism and the number of the ray generator
Amount matches.
Further, the detection device, it is characterised in that the detection device further includes：Signal translating system, institute
The lower section that signal translating system is arranged at the wheel is stated, is formed as the array not less than the wheel circumference.
Further, the detection device, wherein, the signal translating system includes：Ultrasonic transducer, for that will connect
Received optical information number is converted to electric signal.
Further, the detection device, it is characterised in that the detection device further includes：Information processing system, with
By the electric signal received analysis, processing.
When the locomotive wheel tread detection device of the utility model carries out operation, when detected wheel is led to certain speed
When crossing detection zone, detent mechanism determines the accurate location of wheel by wheel velocity, and triggering at this time starts moving mechanism,
Moving mechanism carries out following movement with the speed identical with detected wheel；When moving mechanism moves, then triggering and its
The testing agency of connection starts, testing agency's divergent-ray light beam, and with large energy by light adjusting mechanism by certain angle
The ray beam of lower same intensity, shape and focal length projects detected wheel surface, according to generation surface wave, shear wave with indulging
Ripple, whether there is defect to detect wheel.When wheel existing defects, back wave can be produced, back wave can be equally arranged in
Detect the signal switching mechanism below wheel to receive, then the back wave small-signal that signal switching mechanism receives is put
Greatly, high speed acquisition, ultrasonic signal snap shot and compression, signal high-speed transfer, information processing system dock received above-mentioned signal into
Row analysis, processing.
The above-mentioned technical proposal of the utility model has following beneficial technique effect：The utility model uses at least two groups
The both sides that testing agency is separately positioned on wheel are detected wheel, on the one hand the entirety of wheel can be made comprehensively to be examined
Survey, on the other hand avoid segmentation detection in the prior art, cause the analyzing and processing process in later stage cumbersome, improve detection effect
Rate, accelerates inspection speed.In addition, the use of the new type uses contactless flaw detection pattern, whole device installation is simple, conveniently more
Change, reduce manufacture cost and maintenance cost；Also probe is protected, makes it not frayed, prolongs the service life, practicality
Height, applicability are more extensive.
Brief description of the drawings
Fig. 1 is the structure diagram according to the locomotive wheel tread detection device of the utility model first embodiment.
Reference numeral：
Wheel 1；Detent mechanism 2；Track 3；Testing agency 4；Moving mechanism 5；Light adjusting mechanism 6；Signal translating system 7.
Embodiment
To make the objectives, technical solutions and advantages of the present invention clearer, with reference to embodiment
And referring to the drawings, the utility model is further described.It should be understood that these descriptions are merely illustrative, and do not really want
Limit the scope of the utility model.In addition, in the following description, the description to known features and technology is eliminated, to avoid not
Necessarily obscure the concept of the utility model.
The Rotating fields schematic diagram according to the utility model embodiment is shown in the drawings.It is to paint in proportion that these figures, which are not,
System, wherein for purposes of clarity, being exaggerated some details, and some details may be eliminated.It is each shown in figure
Kind of region, the shape of layer and relative size between them, position relationship are only exemplary, in practice may be due to manufacture
Tolerance or technology restriction and be deviated, and in addition those skilled in the art can be designed with not similar shape according to actually required
Shape, size, the regions/layers of relative position.
, it is necessary to which explanation, term " first ", " second ", " the 3rd " are only used for describing in the description of the utility model
Purpose, and it is not intended that instruction or hint relative importance.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not forming conflict can be combined with each other.
Hereinafter reference will be made to the drawings is more fully described the utility model.In various figures, identical element is using similar
Reference numeral represent.For the sake of clarity, the various pieces in attached drawing are not necessarily to scale.
It describe hereinafter many specific details of the utility model, such as the structure of device, material, size, place
Science and engineering skill and technology, to be more clearly understood that the utility model.But just as the skilled person will understand,
The utility model can not be realized according to these specific details.
Referring to Fig. 1, Fig. 1 is the structure according to the locomotive wheel tread detection device of the utility model first embodiment
Signal.
As shown in Figure 1, a kind of locomotive wheel tread detection device provided according to the utility model embodiment, including：Letter
Cease acquisition system, signal translating system and information processing system；In addition, the device further includes the information transmission system.
Wherein, information acquisition system, for gathering wheel movable information.Described information acquisition system includes：Detent mechanism
2, the inner side of track 3 is respectively arranged at, for judging the position of the wheel 1.Testing agency 4, is arranged at the two of the wheel 1
Side, one end are connected with moving mechanism 5, and the other end is connected with light adjusting mechanism 6.Moving mechanism 5, is arranged at the two of the wheel 1
Side, and be connected with one end of the testing agency 4.Light adjusting mechanism 6, is connected with the other end of the testing agency 4, is used for
Projecting beam.It should be noted that detent mechanism 2 is arranged at the inner side of track 3, according to actually detected needs, can also be arranged on
The outside of track 3, to carry out the judgement of accurate speed and position to wheel 1；At least two groups of the detent mechanism 2, every group at least
The distance between two position reaction devices, two groups of detent mechanisms 2 are not less than the girth for being detected wheel.Testing agency 4, moving machine
The quantity of structure 5 and light adjusting mechanism 6 matches, and is staggered respectively inside and outside track, to produce ray staggeredly
Light beam, so as to complete the whole detection to wheel 1, avoid segmentation detection in the prior art, causes the analyzing and processing in later stage
Journey is cumbersome, improves detection efficiency, accelerates inspection speed.
When the locomotive wheel tread detection device of the utility model carries out operation, when detected wheel 1 is with certain speed
When passing through detection zone, detent mechanism 2 determines the accurate location of wheel 1, triggering at this time, which starts, moves by 1 speed of wheel
Mechanism 5, moving mechanism 5 carry out following movement with the speed identical with detected wheel 1；When moving mechanism 5 moves, then
Trigger connected testing agency 4 to start, 4 divergent-ray light beam of testing agency, and light adjusting mechanism is passed through with large energy
The ray beam of same intensity, shape and focal length under certain angle is projected detected 1 surface of wheel by 6, according to generation surface
Ripple, shear wave and compressional wave, whether there is defect to detect wheel.When 1 existing defects of wheel, back wave, back wave meeting can be produced
Equally it is arranged in the signal translating system 7 below detection wheel to receive, change, then is changed signal by the information transmission system
The back wave small-signal that system 7 receives is amplified, high speed acquisition, ultrasonic signal snap shot and compression, signal high-speed transfer,
Information processing system is analyzed the above-mentioned signal for coming from information transmission mechanism, is handled.The utility model uses at least two
The both sides that group testing agency is separately positioned on wheel are detected wheel, and the entirety of wheel can on the one hand obtained comprehensively
Detection, on the other hand avoids segmentation detection in the prior art, causes the analyzing and processing process in later stage cumbersome, improves detection effect
Rate, accelerates inspection speed.
Wherein, the testing agency 4 includes：
At least two ray generators, are respectively arranged at the inner side and outer side of the wheel 1, for divergent-ray light beam,
To detect the surface of the wheel 1.Specific ray generator can be laser generator, be arranged in the inner side of detected wheel
And outside, be formed as asymmetric geometry in position, intersect laser generator laser beam, and incided with large energy
Whole wheel surface, produces surface wave, shear wave and compressional wave, when 1 existing defects of wheel, back wave can be produced, so as to detect
Defective locations.Wherein, ray generator at least two, required can also set four, six and more according to actually detected
It is a.
Wherein, the shape of the ray generator is cylindric or prism-shaped.Specifically, the shape of ray generator can be with
Needed according to detection for cylindric, prism-shaped, cube and spherical, preferably cylindric, prism-shaped, more preferably cylinder
Shape.As long as the transmitting of ray beam is not influenced i.e. in the scope of protection of the utility model.
Wherein, the moving mechanism 5 includes：
At least two balanced sequence cars, are respectively arranged at the inner side and outer side of the wheel 1, the number of the balanced sequence car
Measure and match with the quantity of the testing agency 4.Specific balanced sequence car can also be balanced sequence plate, balanced sequence basket,
But it is not limited to above-mentioned three kinds of structures.After moving mechanism 5 is triggered startup, with the speed identical with detected wheel, with wheel
Movement in the same direction is done, so that ray beam can be accurately incident upon wheel surface by ray generator.In addition, balanced sequence car
Quantity is identical with the quantity of ray generator, in order to coordinate ray generator and wheel 1 to do synchronized movement in the same direction.
Wherein, the upper surface of each balanced sequence car is provided with least one limiter, can be with according to being actually needed
For two or four limiter；The size and the size of the testing agency of the limiter port match.It is specific spacing
Device can be the groove for being arranged on balanced sequence car upper surface, or be arranged on the buckle of upper surface or to be arranged to prominent
Touch in the tongue of balanced sequence car upper surface and bolt etc., but be not limited to above-mentioned four kinds of structures.Ray is sent out as long as can realize
Raw device is fixed on balanced sequence car, the ray tube bank that ray generator is sent is stablized i.e. in the protection model of the utility model
Enclose.
Light adjusting mechanism 6 includes：
Housing, the housing are column, and the diameter of the housing is less than the diameter of the ray generator, the housing
Angle adjustable.Eyeglass, the eyeglass are arranged at the both ends of the housing, for reflecting the ray of the ray generator transmitting
Light beam.It should be noted that when balanced sequence car is obstructed, and synchronized movement in the same direction can not be carried out with detected wheel, Ke Yitong
Cross housing and adjust angle, to change the intensity of ray beam, incident shape and angle, so as to ensure the orderly of detection process
Carry out.Specifically, eyeglass can be reflecting optics, transmission eyeglass, and it is preferably reflecting optics, can be according to the needs of projection tube bank
It is replaced.Wherein, the quantity of the smooth adjusting mechanism and the quantity of the ray generator match, in order to launch light beam
Projection, be each adjusting mechanism with not giving ray generator corresponding, so that the accuracy of ray beam projection.
As shown in Figure 1, signal translating system 7, the signal translating system 7 is arranged at the lower section of the wheel 1, is formed
For the array not less than the wheel circumference.It should be noted that signal translating system 7 can be arranged on such as the A institutes in Fig. 1
Show the lower section of detected wheel 1, or be arranged on the side of the detected wheel 1 as shown in B in Fig. 1 or C, but be not limited to above-mentioned
Two kinds of orientation, as long as can meet that signal translating system 7 can receive detects that wheel 1 back wave caused by defect occurs i.e.
Can.Specifically, the signal translating system 7 includes：Ultrasonic transducer, for the optical information number received to be converted to telecommunications
Number.After ultrasonic transducer receives the back wave for coming from defect wheel, by the information transmission system, by faint back wave
Signal method, high speed acquisition, ultrasonic signal snap shot and compression and high-speed transfer are to information processing system.
Information processing system, by the electric signal received analysis, processing.Specifically, information processing system will receive
Original signal processing be electric signal, analyzed by information, formed waveform analysis output, for show browse.
The utility model is intended to protect a kind of locomotive wheel tread detection device, which has following beneficial technology effect
Fruit：The both sides that the utility model is separately positioned on wheel using at least Liang Zu testing agencies are detected wheel, on the one hand may be used
So that the entirety of wheel is comprehensively detected, segmentation detection in the prior art is on the other hand avoided, causes the analysis in later stage
Processing procedure is cumbersome, improves detection efficiency, accelerates inspection speed.In addition, the use of the new type uses contactless flaw detection mould
Formula, whole device installation is simple, is convenient for changing, and reduces manufacture cost and maintenance cost；The probe of device is protected at the same time,
Make it not frayed, prolong the service life, practicality is high, and applicability is more extensive.
The utility model is described above by reference to the embodiment of the utility model.But these embodiments are only
It is for illustrative purposes, and is not intended to limitation the scope of the utility model.The scope of the utility model will by appended right
Ask and its equivalent limits.The scope of the utility model is not departed from, those skilled in the art can make a variety of substitutions and modifications,
These substitutions and modifications should all fall within the scope of the utility model.
Although the embodiment of the utility model is described in detail, it should be understood that, without departing from this reality
In the case of with new spirit and scope, various changes, replacement and change can be made to the embodiment of the utility model.
Obviously, the above embodiments are merely examples for clarifying the description, and the restriction not to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
It should be appreciated that the above-mentioned embodiment of the utility model is used only for exemplary illustration or explains this reality
With new principle, without forming the limitation to the utility model.Therefore, in the spirit and scope without departing from the utility model
In the case of any modification, equivalent substitution, improvement and etc. done, should be included within the scope of protection of this utility model.In addition,
The appended claims for the utility model are intended to fall into scope and border or this scope and border
Whole in equivalents changes and modifications example.
Claims (10)
- A kind of 1. locomotive wheel tread detection device, it is characterised in that including：Information acquisition system, for gathering wheel movable information；Described information acquisition system includes：Detent mechanism, is respectively arranged on the inside of track, for judging the position of the wheel；Testing agency, is arranged at the both sides of the wheel, and one end is connected with moving mechanism, and the other end is connected with light adjusting mechanism；Moving mechanism, is arranged at the both sides of the wheel, and is connected with one end of the testing agency；Light adjusting mechanism, is connected with the other end of the testing agency, for throw light.
- 2. detection device according to claim 1, wherein, the testing agency includes：At least two ray generators, are respectively arranged at the inner side and outer side of the wheel, for divergent-ray light beam, with detection The surface of the wheel.
- 3. detection device according to claim 2, wherein, the shape of the ray generator is cylindric or prism-shaped.
- 4. detection device according to claim 1, wherein, the moving mechanism includes：At least two balanced sequence cars, are respectively arranged at the inner side and outer side of the wheel, the quantity of the balanced sequence car with The quantity of the testing agency matches.
- 5. detection device according to claim 4, wherein, each the upper surface of the balanced sequence car is provided with spacing Device, the size and the size of the testing agency of the limiter port match.
- 6. detection device according to claim 2, wherein, light adjusting mechanism includes：Housing, the housing are column, and the diameter of the housing is less than the diameter of the ray generator, the angle of the housing It can adjust；Eyeglass, the eyeglass are arranged at the both ends of the housing, for reflecting the ray beam of the ray generator transmitting.
- 7. detection device according to claim 6, wherein, quantity and the ray generator of the smooth adjusting mechanism Quantity matches.
- 8. detection device according to claim 1, it is characterised in that the detection device further includes：Signal translating system, The signal translating system is arranged at the lower section of the wheel, is formed as the array not less than the wheel circumference.
- 9. detection device according to claim 8, wherein, the signal translating system includes：Ultrasonic transducer, for inciting somebody to action The optical information number received is converted to electric signal.
- 10. detection device according to claim 1, it is characterised in that the detection device further includes：Information processing system System, by the electric signal received analysis, processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721178007.8U CN207280973U (en) | 2017-09-14 | 2017-09-14 | A kind of locomotive wheel tread detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721178007.8U CN207280973U (en) | 2017-09-14 | 2017-09-14 | A kind of locomotive wheel tread detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207280973U true CN207280973U (en) | 2018-04-27 |
Family
ID=61991091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721178007.8U Active CN207280973U (en) | 2017-09-14 | 2017-09-14 | A kind of locomotive wheel tread detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207280973U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110667643A (en) * | 2019-09-25 | 2020-01-10 | 北京交通大学 | Laser detection system and method for wheel-rail contact state and wheel tread fault |
| CN112781524A (en) * | 2021-01-25 | 2021-05-11 | 成都铁安科技有限责任公司 | Falling wheel type wheel detection system |
-
2017
- 2017-09-14 CN CN201721178007.8U patent/CN207280973U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110667643A (en) * | 2019-09-25 | 2020-01-10 | 北京交通大学 | Laser detection system and method for wheel-rail contact state and wheel tread fault |
| CN112781524A (en) * | 2021-01-25 | 2021-05-11 | 成都铁安科技有限责任公司 | Falling wheel type wheel detection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6945114B2 (en) | Laser-air, hybrid, ultrasonic testing of railroad tracks | |
| CN104608800A (en) | Laser-ultrasonic-based wheel defect non-contact flaw online detection device | |
| CN103322936B (en) | Wheelset profile on-line monitoring method | |
| CN102538687B (en) | Method and device for measuring morphology of moving sample | |
| CN101858736B (en) | Multifocal holographic differential confocal super-large curvature radius measuring method and device | |
| CN207280973U (en) | A kind of locomotive wheel tread detection device | |
| CN103217475B (en) | A kind of pick-up unit of seamless track steel rail | |
| CN107678036A (en) | A kind of vehicle-mounted contactless contact net geometric parameter dynamic detection system and method | |
| CN110667643B (en) | Laser detection system and method for wheel-rail contact state and wheel tread fault | |
| CN103149275B (en) | Liquid guide ultrasonic probe array flaw detection test method of train wheel | |
| CN105004791A (en) | Air coupled lamb wave ultrasonic testing D imaging method applied to composite laminate defects and device thereof | |
| CN101788272A (en) | Method for precisely measuring inner diameter of multi-direction shaft hole based on laser triangulation method | |
| CN104698468A (en) | Fiber optic coherent ranging device and method | |
| CN207015352U (en) | Laser sound magnetic rail surface defects fast flaw detection system and inspection car | |
| CN203687880U (en) | Optical displacement measuring system | |
| CN102520412A (en) | Laser active detecting device based on MEMS (micro-electromechanical system) two-dimensional scanning mirror array | |
| CN103123251B (en) | Differential confocal internal focusing method lens axis and method for measuring thickness | |
| Chen et al. | Offline and online measurement of the geometries of train wheelsets: A review | |
| CN102252830A (en) | Optical ghost image detection device and detection method thereof | |
| Chen et al. | Integrated monitoring system for rail damage in high speed railway turnout | |
| CN109341592B (en) | Road surface scanning device based on laser interference fringes | |
| CN202400107U (en) | Detection device for dynamically detecting abrasion of lateral sides of steel railway rails | |
| CN110641513B (en) | Detection system and method for wheel-rail acting force and tread fault | |
| CN106198762A (en) | Low-floor tramcar wheel ultrasound detection sample block and method of testing thereof | |
| KR101583274B1 (en) | Railway rails using the interference pattern of wear measurement device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |