CN101907451B - Automatic detection device for three-dimensional profile of wheel pair - Google Patents
Automatic detection device for three-dimensional profile of wheel pair Download PDFInfo
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- CN101907451B CN101907451B CN2010102280225A CN201010228022A CN101907451B CN 101907451 B CN101907451 B CN 101907451B CN 2010102280225 A CN2010102280225 A CN 2010102280225A CN 201010228022 A CN201010228022 A CN 201010228022A CN 101907451 B CN101907451 B CN 101907451B
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Abstract
The invention discloses an automatic detection device for the three-dimensional profile of a wheel pair, comprising a wheel pair pushing in/out mechanism, a wheel pair hoisting and rotating mechanism, a wheel pair measuring unit, a data processing unit connected with the wheel pair measuring unit and a control unit connected with all the parts. The automatic detection device for the three-dimensional profile of the wheel pair, which is provided by an embodiment of the invention, has the advantages of simple structure and simple and rapid system calibration, obtains and can intuitively reflect the whole conditions of a wheel pair to be detected because an obtained three-dimensional profile curve is the three-dimensional recovery of the three-dimensional profile of the wheel pair to be detected.
Description
Technical field
The application relates to the automatic measurement technology field, particularly relates to a kind of wheel that is used for rolling stock to automatic detection device for three-dimensional profile.
Background technology
Rolling stock wheel not only can reflect the basic parameter of wheel to each cross section to three-dimensional profile; Can also reflect that wheel is to relativeness between each cross section; Wheel relates to wheel each link to processing, operation and maintenance to the basic parameter and the relativeness between each cross section in each cross section, is concerning and is taking turns the right quality and the safety of rolling stock.In recent years, because train develops to the high-speed overload direction, right abrasion aggravate to make Train Wheel, and the time between overhauls(TBO) shortening causes the workload of each engineering car inspection and repair section to strengthen, and therefore needs grasp timely and accurately to take turns the related data to the three-dimensional profile physical dimension.
The existing wheel adopted contactless measurement usually to pick-up unit; Like application number is that the Chinese patent of " 200620023308.9 " discloses " a kind of railway vehicle wheel is to automatic detection device "; This pick-up unit is made up of 4 ultrasonic sensors, 5 cover ccd image sensors, data collecting card, image pick-up card and industrial computer; 4 ultrasonic sensors are connected with industrial computer through data collecting card; 5 cover imageing sensors also are connected with industrial computer through image pick-up card, and the data that 4 ultrasonic sensors and 5 cover imageing sensors will be gathered respectively separately send to industrial computer, and industrial computer is taken turns basic parameter according to the data computation that receives.
Through to prior art research; The applicant finds that there is following problem in existing the wheel to pick-up unit: 1, needs are disposed a plurality of CCD cameras and sensor; Mechanical mechanism is comparatively complicated, and rate of breakdown is higher relatively, and the CCD camera needs often to demarcate; And system calibrating is comparatively complicated, and detection efficiency is low; 2, the existing wheel just taken turns the right some planes or the basic parameter of curved surface to what pick-up unit detected; And ignored wheel to the relativeness between last each cross section; Therefore can't obtain taking turns right overall condition, can not obtain intuitively reflecting wheel to the wheel of integral status to three-dimensional profile.
Summary of the invention
In view of this, the present invention provides a kind of wheel that is used for rolling stock to automatic detection device for three-dimensional profile, and this device not only can be realized detecting taking turns right three-dimensional profile, and simple in structure, and it is simple, quick that detection system is demarcated, and detection efficiency is high.
For realizing above-mentioned purpose, the invention provides following technical scheme:
A kind of wheel automatic detection device for three-dimensional profile comprises:
The wheel that is provided with retractable member is to advancing ejecting mechanism, and the flexible of said retractable member can be taken turns pushing and release station to be detected to be checked;
The wheel that is provided with Lift Part and propulsion system is to the lifting rotating mechanism; Said Lift Part can be taken turns picking up and be promoted to the detection station being positioned at the said to be checked of station to be detected; And after detecting completion; Can be with said to be checked the wheel reducing to station to be detected by detecting station, said propulsion system can detect the said to be checked of station and take turns contacting and can driving said to be checked the wheel rotation with being positioned at;
By with saidly to be checkedly taking turns scrambler, being separately positioned on and saidly to be checkedly taking turns 2 2D sensors in two wheel rims outside and be separately positioned on the said wheel that 2 inboard laser displacement sensors of two rim for automobile wheel are formed of taking turns to be checked to measuring unit to rotation; The each several part of said measuring unit is taken turns measuring being positioned at detect station said to be checked, and measurement data is sent;
With the said data processing unit that measuring unit is linked to each other of taking turns, receive the said measurement data that measuring unit is sent of taking turns, and calculate based on the measurement data that receives and saidly to be checkedly to take turns right basic parameter and to draw the right three-dimensional profile curve of taking turns to be checked,
Take turns advancing ejecting mechanism, the said wheel with said, control said duty of taking turns, with the completion testing process to each parts of profile automatic detection device to lifting rotating mechanism, the said control module that measuring unit and said data processing unit are linked to each other of taking turns.
Preferably, said scrambler contacts with the said rotating shaft of taking turns lifting rotating mechanism propulsion system, by said rotating shaft driven rotary of taking turns lifting rotating mechanism propulsion system.
Preferably, said scrambler is to be checkedly taken turns right tread and is contacted with said, by said to be checked the wheel driven rotary.
Preferably, said 2 2D sensors link to each other respectively respectively at said scrambler with 2 laser displacement sensors, and receive said scrambler control carrying out data acquisition.
Preferably, saidly to be checkedly take turns right basic parameter and comprise: distance in flange height, rim width, flange thickness, QR value, the wheel, face runout data, wheel footpath, wheel are directly poor, wheel eccentricities, flat sliding length and shelled tread length.
Preferably, further comprise:, be used to print the said right basic parameter and to be checked of taking turns to be checked and take turns right three-dimensional profile curve with the printing equipment that said data processing unit links to each other.
Preferably, further comprise:, be used to show that measurement data and/or to be checked takes turns right basic parameter and to be checked and take turns right three-dimensional profile curve with the display device that said data processing unit links to each other.
Preferably, further comprise: with the memory storage that said data processing unit links to each other, be used for storage of measurement data, the right basic parameter and/or to be checked of taking turns to be checked is taken turns right three-dimensional profile curve.
Preferably, said retractable member and Lift Part are cylinder or oil cylinder.
Preferably, said propulsion system are motor.
Technical scheme by above the application embodiment provides is visible; This wheel of taking turns automatic detection device for three-dimensional profile comprises 2 2D sensors, 2 laser displacement sensors and a scrambler to measuring unit; Be arranged on 2 inboard laser displacement sensors of two rim for automobile wheel can obtain to be checked take turns to the wheel rim inboard horizontal Y to data; The 2D sensor that is arranged on the wheel rim outside can obtain to be checked take turns to the Z of the appearance curve of outer rim to Y to data; And with said to be checked take turns can obtain to the scrambler that rotates to be checkedly take turns X to appearance curve to data; Mutually combine through above-mentioned measurement data, not only can obtain taking turns right basic parameter, but also can obtain taking turns right three-dimensional profile curve.
Therefore, compared with prior art, this takes turns automatic detection device for three-dimensional profile simple in structure, and system calibrating is simple, quick, and to obtain the three-dimensional profile curve be to take turns right three-dimensional and restore to be checked, can reflect the right integral status of taking turns to be checked intuitively.
Description of drawings
In order to be illustrated more clearly in the application embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment that put down in writing among the application, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
A kind of structural representation of taking turns that Fig. 1 provides for the application embodiment to automatic detection device for three-dimensional profile;
A kind of distribution schematic diagram of taking turns that Fig. 2 provides for the application embodiment to measuring unit;
Fig. 3 takes turns the distribution schematic diagram to measuring unit for the another kind that the application embodiment provides;
Fig. 4 takes turns the structural representation to automatic detection device for three-dimensional profile for the another kind that the application embodiment provides.
Embodiment
In order to make those skilled in the art person understand the technical scheme among the application better; To combine the accompanying drawing among the application embodiment below; Technical scheme among the application embodiment is carried out clear, intactly description; Obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the application's protection.
Embodiment one:
A kind of structural representation of taking turns that Fig. 1 provides for the application embodiment to automatic detection device for three-dimensional profile.
As shown in Figure 1; This is taken turns automatic detection device for three-dimensional profile is comprised: wheel is to advancing ejecting mechanism 1, taking turns lifting rotating mechanism 2, wheel measuring unit 3, data processing unit 4 and control module 5; Wherein control module 5 links to each other with other each several part respectively; And the control wheel is to the duty of other each several part of profile automatic detection device, to accomplish testing process.
Wheel is at least one retractable member to the main part that advances ejecting mechanism 1, for example: cylinder or oil cylinder, can take turns to pushing and release station to be detected, for detection is prepared to be checked through the flexible of retractable member.
Wheel is arranged on and the corresponding position of station to be detected lifting rotating mechanism 2; Its main part is Lift Part and propulsion system; For example have the cylinder of motor or have the oil cylinder of motor; And Lift Part can be taken turns picking up and be promoted to the detection station getting into the to be checked of station to be detected; And after detect accomplishing, Lift Part also can be taken turns reducing to station to be detected by detecting station to be checked, and propulsion system can detect the to be checked of station and take turns contacting and can driving to be checked the wheel rotation with being positioned at.
The wheel that Fig. 2 provides for the application embodiment is to the distribution schematic diagram of measuring unit.
Among the figure 6 for to be checked take turns right; As shown in Figure 2; Wheel comprises measuring unit 3: scrambler 31, a 2D sensor 32, the 2nd 2D sensor 33, first laser displacement sensor 34 and second laser displacement sensor 35; Wherein, scrambler 31 can be taken turns 6 rotations with to be checked, is used to measure the rotation data of wheel; The one 2D sensor 32 is positioned at the outside of taking turns 6 left side wheel wheel rims to be checked, and the 2nd 2D sensor 33 is positioned at the outside of taking turns 6 right side wheels wheel rims to be checked, and two 2D sensors are measured wheel tread curve of taking turns two wheels of 6 to be checked respectively; First laser displacement sensor 34 is positioned at inboard of taking turns 6 left side wheel wheel rims to be checked; Second laser displacement sensor 35 is positioned at inboard of taking turns 6 right side wheels wheel rims to be checked, and two laser displacement sensors are measured to be checked the wheel the inboard horizontal level of two rim for automobile wheel of 6 respectively.
Among the application embodiment, as shown in Figure 2, scrambler 31 contacts to the rotating shaft of propulsion system on the lifting rotating mechanism 2 with wheel, at wheel the drive of the rotating shaft of lifting rotating mechanism 2 propulsion system is rotated down.Scrambler 31 can also link to each other with second laser displacement sensor 35 respectively at a 2D sensor 32, the 2nd 2D sensor 33, first laser displacement sensor 34; And after scrambler 31 detects wheel; To each coupled sensor output pulse signal, control each sensor and carry out data acquisition.In addition; Those of ordinary skills should be understood that among the application embodiment that it is the application's a preferred embodiment that scrambler 31 contacts with the rotating shaft of propulsion system; In other embodiment of the application; As shown in Figure 3, scrambler 31 can also contact with tread of taking turns 6 to be checked, to be checked take turns 6 drive under the rotation.
Distance between first laser displacement sensor 34 and second laser displacement sensor 35 is L, and its distance distance of the inboard of corresponding rim for automobile wheel separately is respectively L1 and L2.
Be example below with the right side wheels, being defined as follows of each item basic parameter:
The point that at first distance of laser displacement sensor corresponding with it on the wheel tread is added the 70mm place for L2 is as rolling circle reference point P, and this point is taken turns right flange height, flange thickness, QR, wheel all direct correlation of footpath with to be checked.
1, flange height: the point that the distance of laser displacement sensor corresponding with it on the wheel tread is added the 16mm place for L2 is as height measurement point H, and the difference in height between itself and the rolling circle reference point P is flange height.
2, flange thickness: will along wheel tread make progress and the distance scroll physa on schedule the P vertical range be the point at 10mm place as flange thickness measurement point Q, the horizontal range between flange thickness measurement point Q and its corresponding laser displacement sensor deducts the value that L2 obtains and is flange thickness.
3, QR value: with wheel rim summit and physa on schedule between the P and with wheel rim fixed point difference in height be the point of 2mm as R, then the horizontal range between R and the flange thickness measurement point Q is the QR value.
4, the variation according to L1 and L2 can obtain the face runout data.
5, distance in the wheel: first laser displacement sensor 34 and second laser displacement sensor 35 distance the distance L sum between two of distance L 1 and L2 and they of the inboard of corresponding rim for automobile wheel separately are distance, i.e. L1+L2+L in the wheel.
6, wheel footpath: the distance between the 2nd 2D sensor and the rotation axis deduct the 2nd 2D sensor and physa on schedule the twice of the difference that obtains of the distance between the P be wheel directly.
7, rim width: the 2nd 2D sensor Y of corner deducts the second laser displacement sensor measured value L2 to coordinate.
8, the wheel footpath is poor: the maximal value in wheel footpath deducts minimum value.
9, wheel eccentricities: the measured value L2 according to second laser displacement sensor obtains.
10, flat sliding length: calculate acquisition by 2D sensor and encoder data.
11, shelled tread length: calculate acquisition by 2D sensor and encoder data.
In addition; Since the 2D sensor can obtain to be checked take turns to two wheels of 6 to be checked take turns to the Z of appearance curve to Y to data; And scrambler 31 can obtain and to be checkedly takes turns X to appearance curve to data; The method of restoring according to three-dimensional then combines above-mentioned measurement data, just can obtain three-dimensional profile curve of taking turns 6 to be checked.
Embodiment two:
As shown in Figure 3, the another kind wheel that provides for the application embodiment is to the structural representation of automatic detection device for three-dimensional profile, on the basis of embodiment one, this take turns to automatic detection device for three-dimensional profile also comprise following at least one:
Printing equipment 7 links to each other with said data processing unit 4, is used to print the right basic parameter and to be checked of taking turns to be checked and takes turns right three-dimensional profile curve.
Memory storage 9 links to each other with said data processing unit 4, is used for storage of measurement data and/or to be checked and takes turns right basic parameter and to be checked and take turns right three-dimensional profile curve.
The application embodiment provides wheel that the wheel of automatic detection device for three-dimensional profile is comprised 2 2D sensors, 2 laser displacement sensors and a scrambler to measuring unit; Be arranged on 2 inboard laser displacement sensors of two rim for automobile wheel can obtain to be checked take turns to the wheel rim inboard horizontal Y to data; The 2D sensor that is arranged on the wheel rim outside can obtain to be checked take turns to the Z of appearance curve to Y to data; And with said to be checked take turns can obtain to the scrambler that rotates to be checkedly take turns X to appearance curve to data; Mutually combine through above-mentioned measurement data, not only can obtain taking turns right basic parameter, but also can obtain taking turns right three-dimensional profile curve.
Therefore, compared with prior art, this takes turns automatic detection device for three-dimensional profile simple in structure, and system calibrating is simple, quick, and to obtain the three-dimensional profile curve be to take turns right three-dimensional and restore to be checked, can reflect the right overall condition of taking turns to be checked intuitively.
The above only is the application's a preferred implementation, makes those skilled in the art can understand or realize the application.Multiple modification to these embodiment will be conspicuous to one skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the application or scope in other embodiments among this paper.Therefore, the application will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. a wheel is characterized in that automatic detection device for three-dimensional profile, comprising:
The wheel that is provided with retractable member is to advancing ejecting mechanism, and the flexible of said retractable member can be taken turns pushing and release station to be detected to be checked;
The wheel that is provided with Lift Part and propulsion system is to the lifting rotating mechanism; Said Lift Part can be taken turns picking up and be promoted to the detection station being positioned at the said to be checked of station to be detected; And after detecting completion; Can be with said to be checked the wheel reducing to station to be detected by detecting station, said propulsion system can detect the said to be checked of station and take turns contacting and can driving said to be checked the wheel rotation with being positioned at;
By with saidly to be checkedly taking turns scrambler, being separately positioned on and saidly to be checkedly taking turns 2 2D sensors in two wheel rims outside and be separately positioned on the said wheel that 2 inboard laser displacement sensors of two rim for automobile wheel are formed of taking turns to be checked to measuring unit to rotation; The each several part of said measuring unit is taken turns measuring being positioned at detect station said to be checked, and measurement data is sent;
With the said data processing unit that measuring unit is linked to each other of taking turns, receive the said measurement data that measuring unit is sent of taking turns, and calculate based on the measurement data that receives and saidly to be checkedly to take turns right basic parameter and to draw the right three-dimensional profile curve of taking turns to be checked,
Take turns advancing ejecting mechanism, the said wheel with said, control said duty of taking turns, with the completion testing process to each parts of profile automatic detection device to lifting rotating mechanism, the said control module that measuring unit and said data processing unit are linked to each other of taking turns.
2. device according to claim 1 is characterized in that, said scrambler contacts with the said rotating shaft of taking turns lifting rotating mechanism propulsion system, by said rotating shaft driven rotary of taking turns lifting rotating mechanism propulsion system.
3. device according to claim 1 is characterized in that, said scrambler is to be checkedly taken turns right tread and contacted with said, by said to be checked the wheel driven rotary.
4. according to claim 2 or 3 described devices, it is characterized in that said 2 2D sensors link to each other respectively with said scrambler respectively with 2 laser displacement sensors, and receive said scrambler control carrying out data acquisition.
5. device according to claim 4; It is characterized in that, saidly to be checkedly take turns right basic parameter and comprise: distance in flange height, rim width, flange thickness, QR value, the wheel, face runout data, wheel footpath, wheel are directly poor, wheel eccentricities, flat sliding length and shelled tread length.
6. device according to claim 1 is characterized in that, further comprises: with the printing equipment that said data processing unit links to each other, be used to print the said right basic parameter and to be checked of taking turns to be checked and take turns right three-dimensional profile curve.
7. device according to claim 1 is characterized in that, further comprises: with the display device that said data processing unit links to each other, be used to show that measurement data and/or to be checked takes turns right basic parameter and to be checked and take turns right three-dimensional profile curve.
8. device according to claim 1 is characterized in that, further comprises: with the memory storage that said data processing unit links to each other, be used for storage of measurement data, the right basic parameter and/or to be checked of taking turns to be checked is taken turns right three-dimensional profile curve.
9. device according to claim 1 is characterized in that, said retractable member and Lift Part are cylinder or oil cylinder.
10. device according to claim 1 is characterized in that, said propulsion system are motor.
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| CN2010102280225A CN101907451B (en) | 2010-07-16 | 2010-07-16 | Automatic detection device for three-dimensional profile of wheel pair |
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| CN2010102280225A CN101907451B (en) | 2010-07-16 | 2010-07-16 | Automatic detection device for three-dimensional profile of wheel pair |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104374335B (en) | 2014-11-20 | 2017-09-05 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle Clearance Detection |
| CN107345797A (en) * | 2016-05-07 | 2017-11-14 | 珠海启世机械设备股份有限公司 | A kind of numerical control lathe used for machining in-situ locomotive wheel automatic measurement system and its measuring method |
| CN106247985A (en) * | 2016-08-31 | 2016-12-21 | 北京燕宏达铁路设备有限公司 | Double track profile measurer |
| CN112236643A (en) * | 2018-05-01 | 2021-01-15 | 威图纳有限公司 | Optical vehicle diagnostic system |
| CN109282740A (en) * | 2018-11-01 | 2019-01-29 | 上海才义工程项目管理有限公司 | A kind of material detection system |
| CN112344899B (en) * | 2021-01-11 | 2021-03-30 | 中车常州车辆有限公司 | Method for detecting three-dimensional contour of tread of wheel set without centering |
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