CN208333391U - A kind of Railway wheelset three-dimensional surface high precision measuring system - Google Patents
A kind of Railway wheelset three-dimensional surface high precision measuring system Download PDFInfo
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- CN208333391U CN208333391U CN201821113258.2U CN201821113258U CN208333391U CN 208333391 U CN208333391 U CN 208333391U CN 201821113258 U CN201821113258 U CN 201821113258U CN 208333391 U CN208333391 U CN 208333391U
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- laser range
- range finder
- dot laser
- translating device
- railway wheelset
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Abstract
This patent discloses a kind of Railway wheelset three-dimensional surface high precision measuring systems, including for continuously measuring wheel to the dot laser range finder of measured point and the distance between range finder on surface, the first translating device and central processing unit for driving dot laser range finder to translate, first translating device and dot laser range finder are connect with central processing unit signal respectively, first translating device drives dot laser range finder mobile, so that measured point is covered with the tyre tread of Railway wheelset.The utility model is by measuring Railway wheelset with high-precision dot laser range finder, the slight change of wheel tread can be accurately measured, the data that measurement obtains are input in central processing unit again, it establishes the data model of tyre tread and is analyzed, it allows testing staff to can be visually seen the threedimensional model and the degree of wear of tyre tread, is conducive to the safety detection and daily maintenance of wheel pair.
Description
Technical field
The utility model belongs to wheel detection technical field, is related to a kind of Railway wheelset three-dimensional surface high-acruracy survey system
System.
Background technique
Railway wheelset is one of important component of train, and wheel is to the load that not only bear high-speed heavy-load trains, also
Directly determine the safety of vehicle operation.Train running speed be getting faster carrying it is increasingly heavier in the case where, for wheel pair
Propose better quality requirement.
Traditional Wheel set detecting mode, majority are the images that the tyre tread and wheel rim of wheel pair are obtained by optical camera,
, to modeling, the construction drawing comparison of script can be obtained according to the model of modeling and wheel by characteristic point alignments to wheel
Obtain the abrasion condition of wheel pair.But although this mode can acquire relatively large-sized image, image
The most inaccuracy of information, precision is inadequate, can not perceive wheel to upper some slight changes, be easy to leave hidden danger.In order to solve
The above problem, such as patent CN200810099938, disclose it is a kind of determined by non-contact detection automotive wheel (wheel rim/
Tyre assembly) geometric dimension method and apparatus, wherein the wheel is fixed on to the wheel reception device of tire changer
On, at least light beam is emitted at least part of the wheel or the wheel, and detects anti-in irradiation area
The light beam penetrated, determined on wheel by calculating the direction of transmitting light beam and the reflected beams the shape of each irradiation area and/or
Position.But foregoing invention measures the situation of wheel pair simply by line laser, and precision is still unable to reach the level of 0.1mm, no
Conducive to the safety detection and daily maintenance of wheel pair.
Utility model content
Technical problem to be solved by the utility model is to provide a kind of Railway wheelset three-dimensional surface of energy precise measurement is high
Accuracy measurement system.
To achieve the above object, the utility model provides the following technical solutions:
A kind of Railway wheelset three-dimensional surface high precision measuring system, including for continuously measuring wheel to the measured point on surface
The dot laser range finder of the distance between range finder, for drive dot laser range finder translate the first translating device and in
Central Processing Unit, first translating device and dot laser range finder are connect with central processing unit signal respectively, and described first
Translating device drives the translation of dot laser range finder, so that measured point is covered with the entire tyre tread of Railway wheelset.
When train movement, wheel enables dot laser range finder to obtain wheel to a series of upper measured points and survey rotation
Train is allowed to survey again by dot laser by the position of the first translating device transfer point airborne laser range finder away from the distance between device
Away from device, dot laser range finder can obtain wheel to the distance between upper additional series measured point and range finder, by repeatedly anti-
Multiple experiment finally obtains all information of wheel tread.The utility model passes through with high-precision dot laser range finder to train
Wheel can accurately measure the slight change of wheel tread to measuring, then the data that measurement obtains are input to central processing
It in unit, establishes the data model of tyre tread and is analyzed, testing staff is allowed to can be visually seen threedimensional model and the abrasion of tyre tread
Degree is conducive to the daily maintenance and safety detection of wheel pair.
Preferably, the measuring system further includes the second translating device for driving the first translating device to translate, described
The direction that the direction of second translating device translation is translated with the first translating device forms an angle, when train and dot laser range finder
When static, the dot laser range finder is moved in the case where the first translating device drives with the second translating device, so that measured point
It is covered with the tyre tread of Railway wheelset.Preferably, the translation direction of first translating device and the second translating device is orthogonal.Institute
The second translating device is stated to connect with central processing unit signal.
By the first translating device of setting and the second translating device, dot laser range finder is allowed to be sent to shifting to two
It is dynamic, measured point is covered with to the tyre tread of Railway wheelset, test obtains all positions on the tyre tread of wheel pair to the distance of point distance measurement.?
The data that test obtains are modeled by central processing unit, finally come out the model building of wheel tread.
Preferably, second translating device is the hunting gear mobile for following train, and the second translating device is put down
It is consistent with train moving direction to move direction.
It is mobile by the second translating device following train, in the case where taking turns the rotation to high speed, enable dot laser range finder fast
The measured point of one circle of speed measurement, then drive the translation of dot laser range finder to acquire entire wheel to stepping on by the first translating device
The distance between face and dot laser range finder.The method avoids mobile device and needs the shortcomings that returning of constantly turning back, measurement speed
Degree is very fast, solves the slow disadvantage of dot laser ranging measuring speed.In actual arrangement, the second translating device can only choose one section
Track following train one section of enough distance of walking.
Preferably, the dot laser range finder with wheel at a distance from surface be 500-900mm.
First, dot laser range finder has a certain amount journey, can be easy to be interfered if hypertelorism, reduction measures
Data precision.Second, distance train is excessively close, then may cause to damage due to the dust storm or sundries swept when train is mobile
It is bad.Therefore dot laser range finder and wheel at a distance from surface be 500-900mm, more preferably 800mm.
Preferably, the measuring system further includes several dot laser range finders, and several dot laser range finders are along first
The translation direction continuous arrangement of translating device is in a row.
It is mainly in view of and arranges a dot laser range finder only to measure the tyre tread information of wheel pair, need to expend longer
Time could survey the tyre tread of wheel pair.Therefore accelerate measuring speed by arranging several dot laser range finders, reduce consumption
When.
Preferably, along This train is bound for XXX equipped with several row's dot laser range finders.
Preferably, the dot laser range finder is provided with angle adjustment device, issues for point of adjustment airborne laser range finder
The angle of light and locking.
Preferably, the left and right sides of train rail is arranged in the dot laser range finder, and more precisely setting is arranging
The two sides in track road or so and it is to be measured wheel pair rear.
Preferably, the light and the angle for the projection that This train is bound for XXX in the horizontal plane that the dot laser range finder issues
It is 120 ° -150 °.
Preferably, the measuring system further includes wheel detector, and central processing unit is obtained by wheel detector and arranged
The signal of vehicle arrival monitoring point.
On the train rail that measuring system is arranged on normal operation, since train is lower by the frequency of monitoring point,
If laser displacement sensor works always, it will cause a large amount of wastings of resources；It, can be in train after wheel detector is set
Restart laser displacement sensor when will arrive at monitoring point and carry out data acquisition, not only reduces data processing amount, but also extend
The service life of laser displacement sensor.
Preferably, orbit correction device is additionally provided on the hunting gear, the orbit correction device is for detecting track
Uneven situation and connect with central processing unit signal.
Compared to rise on special test platform to the test of Railway wheelset, when measuring system is arranged on normal operation
When on train rail, due to train rail be worn for a long time and the erosion of rainwater to be easy to appear track rough existing
As so being easy to appear the inaccurate situation of measurement, therefore the utility model measures track by one orbit correction device of setting
Upper surface concave-convex situation so that measurement data can erase due to track it is uneven brought by bad shadow
It rings.
The orbit correction device is line laser detection device or the dot laser detection device with driving device, is used for
Detect the uneven situation of track.
Compared with prior art, the utility model has the beneficial effects that
The utility model can be accurately measured by measuring with high-precision dot laser range finder to Railway wheelset
The slight change of wheel tread, then the data that measurement obtains are input in central processing unit, establish the data model of tyre tread
And analyzed, it allows testing staff to can be visually seen the threedimensional model and the degree of wear of tyre tread, is conducive to the daily maintenance of wheel pair
And safety detection.And it is mobile by the second translating device following train, dot laser range finder is in the case where taking turns the rotation to high speed
Quickly entire tyre tread is measured, mobile device is avoided and needs the shortcomings that returning of constantly turning back, measuring speed is fast, solves
The slow problem of dot laser ranging measuring speed.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of embodiment 2.
Fig. 3 is the structural schematic diagram of embodiment 1.
It is identified in figure: 1, dot laser range finder；2, measuring table；3, the first guide rail；4, the first driving motor；5, start
Machine；6, movable pulley；7, the second guide rail；8, the second driving motor；9, train rail.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, with reference to the accompanying drawing to the utility model
Embodiment is described in more detail.
Embodiment 1
A kind of Railway wheelset three-dimensional surface high precision measuring system, including for continuously measuring wheel to the measured point on surface
The dot laser range finder 1 of the distance between range finder, for drive dot laser range finder 1 translate the first translating device and
Central processing unit, first translating device and dot laser range finder 1 are connect with central processing unit signal respectively, and described
One translating device drives dot laser range finder 1 to translate, so that measured point is covered with the entire tyre tread of Railway wheelset.The central processing
Unit can be processor, computer or other equipment with processing data function.It is generally understood that point is swashed as needed
Ligh-ranging device 1 is arranged between track or outside track.
As illustrated in fig. 1 and 2, the measuring system further includes a measuring table 2, first translating device, second flat
Moving device and dot laser range finder 1 be all disposed on a measuring table 2 (schematic drawing of measuring table 2 is only drawn in Fig. 1,
The first translating device, the second translating device are not drawn).The central processing unit can be set on measuring table 2 or
It is arranged except measuring table 2.Preferably, the left and right sides of train rail 9 is arranged in the dot laser range finder 1, more quasi-
Really say the left and right sides that train rail 9 is set and at the rear of wheel pair to be measured.
It is further preferred that first translating device includes the first guide rail 3 and the first driving that measuring table 2 is arranged in
Motor 4, the dot laser range finder 1 are slidably connected with the first guide rail 3, and first driving motor 4 is for driving dot laser to survey
It is moved away from device 1 along the first guide rail 3.
Preferably, the direction that the direction of the second translating device translation is translated with the first translating device is mutually perpendicular to, when
When train and dot laser range finder 1 are static, the dot laser range finder 1 is in the case where the first translating device and the second translating device drive
It moves, so that measured point is covered with the entire tyre tread of Railway wheelset.
Preferably, second translating device is the hunting gear mobile for following train, and the second translating device is put down
It is consistent with train moving direction to move direction.
Second translating device include with the predetermined trajectory disposed in parallel of train rail 9, engine 5 and with default rail
The movable pulley 6 that road matches, the engine 5 are all arranged on measuring table 2 with movable pulley 6, are driven by the engine 5
Movable pulley 6 drives measuring table 2 to move along predetermined trajectory, realizes mobile to the high-speed following of train.And on measuring table 2
Also following train is mobile together for first translating device, dot laser range finder 1 and central processing unit.Second translating device
Shifting scooter 30-60m/s, enable the speed of the second translating device to keep up with the train run at high speed.In order to enable second is flat
The shifting speed of moving device can achieve above-mentioned speed, can add a turbine on engine 5.
Preferably, the dot laser range finder 1 with wheel at a distance from surface be 500-900mm.
Preferably, the measuring system further includes several dot laser range finders 1, and several dot laser range finders 1 are along
The translation direction continuous arrangement of one translating device is in a row.
Preferably, along This train is bound for XXX equipped with several row's dot laser range finders 1.
Preferably, the first translating device is equipped with angle adjustment device, the light issued for point of adjustment airborne laser range finder 1
Angle and locking.And when angle adjustment device is adjusted, light and This train is bound for XXX that the dot laser range finder issues
The angle of projection in the horizontal plane is 120 ° -150 °, if angle is too big, dot laser range finder is equivalent to setting later
The front of one wheel pair is easy the impact of flying sands and howling wind brought by being walked by train and damages.And if angle
It is too small, then it is likely to occur vision dead zone, dot laser is caused to be unable to measure the tyre tread of entire wheel pair.
Preferably, the measuring system further includes wheel detector, and central processing unit is obtained by wheel detector and arranged
The signal of vehicle arrival monitoring point.
Preferably, orbit correction device is additionally provided on the hunting gear, the orbit correction device is for detecting track
Uneven situation and connect with central processing unit signal.The orbit correction device is arranged on measuring table 2, with
Measuring table 2 advance under the drive of the second translating device along the direction walked with train, and collect raceway surface
Relevant information is transmitted in central processing unit by information, passes through the uneven brought measurement of central processing unit correcting track
Deviation.
Preferably, the orbit correction device is that line laser detection device or the dot laser with driving device detect dress
It sets, for detecting the uneven situation of track.
Preferably, it is additionally provided on the measuring table 2 for the communication equipment with train control system transmitting information, it is described
Communication equipment is connect with central processing unit signal.The communication equipment can be router, bluetooth, antenna or programme-controlled exchange
Deng wirelessly or non-wirelessly communication equipment.The functioning condition of train can not certainly be understood by communication equipment, it is only necessary to incite somebody to action
The preset speed of service of train is loaded into central processing unit and also may be used.
The present embodiment, which is mainly used in, detects the Railway wheelset in actual motion.
Embodiment 2
A kind of Railway wheelset three-dimensional surface high precision measuring system, including for continuously measuring wheel to the measured point on surface
The dot laser range finder 1 of the distance between range finder, for drive dot laser range finder 1 translate the first translating device and
Central processing unit, first translating device and dot laser range finder 1 are connect with central processing unit signal respectively, and described
One translating device drives dot laser range finder 1 to translate, so that measured point is covered with the entire tyre tread of Railway wheelset.The central processing
Unit can be processor, computer or other equipment with processing data function.
As shown in figures 1 and 3, the measuring system further includes a measuring table 2, first translating device, second
Translating device and dot laser range finder 1 are all disposed on a measuring table 2.
The central processing unit can be set on measuring table 2 or be arranged except measuring table 2.
It is further preferred that first translating device includes the first guide rail 3 and the first driving that measuring table 2 is arranged in
Motor 4, the dot laser range finder 1 are slidably connected with the first guide rail 3, and first driving motor 4 is for driving dot laser to survey
It is moved away from device 1 along the first guide rail 3.
Preferably, the direction that the direction of the second translating device translation is translated with the first translating device is mutually perpendicular to, when
When train and dot laser range finder 1 are static, the dot laser range finder 1 is in the case where the first translating device and the second translating device drive
It moves, so that measured point is covered with the entire tyre tread of Railway wheelset.
It is further preferred that second translating device includes the second guide rail 7 and the second driving motor 8, the measurement is flat
Platform 2 is slidably connected with the second guide rail 7, and second driving motor 8 is for driving measuring table 2 to move along the second guide rail 7.
Preferably, the translation direction of second translating device is consistent with 9 direction of train rail.
Preferably, the dot laser range finder 1 with wheel at a distance from surface be 500-900mm.
Preferably, the measuring system further includes several dot laser range finders 1, and several dot laser range finders 1 are along
The translation direction continuous arrangement of one translating device is in a row.
Preferably, along This train is bound for XXX equipped with several row's dot laser range finders 1.
Preferably, the two sides of train rail 9 or so are arranged in the dot laser range finder 1, and more precisely setting exists
The two sides of train rail 9 or so.
Preferably, the first translating device is equipped with angle adjustment device, the light issued for point of adjustment airborne laser range finder 1
Angle and locking.And when angle adjustment device is adjusted, light and This train is bound for XXX that the dot laser range finder issues
The angle of projection in the horizontal plane is 120 ° -150 °.
Preferably, it is additionally provided on the measuring table 2 for the communication equipment with train control system transmitting information, it is described
Communication equipment is connect with central processing unit signal.The communication equipment can be router, bluetooth, antenna or programme-controlled exchange
Deng wirelessly or non-wirelessly communication equipment.The functioning condition of train can not certainly be understood by communication equipment, it is only necessary to incite somebody to action
The preset speed of service of train is loaded into central processing unit and also may be used.
The dot laser displacement sensor includes dot laser light source, collimator, imaging len, narrow band filter and CCD
Or it PSD and is measured using laser triangulation.
The present embodiment is mainly for detection of the in vitro Railway wheelset of placement.
The various technical characteristics of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned
The all possible combination of each technical characteristic in embodiment is all described, as long as however, the combination of these technical characteristics not
There are contradictions, are all considered to be the range of specification record.
Claims (10)
1. a kind of Railway wheelset three-dimensional surface high precision measuring system, which is characterized in that including for continuously measuring wheel to surface
On measured point and the distance between range finder dot laser range finder, for drive dot laser range finder translate first translation
Device and central processing unit, first translating device and dot laser range finder connect with central processing unit signal respectively
It connects, the two sides of train rail or so are arranged in the dot laser range finder, and first translating device drives dot laser range finder
Translation, so that measured point is covered with the entire tyre tread of Railway wheelset.
2. a kind of Railway wheelset three-dimensional surface high precision measuring system according to claim 1, which is characterized in that further include
The second translating device for driving the first translating device to translate, direction and the first translation of the second translating device translation fill
The direction that horizontalization moves forms an angle, and when train and dot laser range finder are opposing stationary, the dot laser range finder is first
Translating device moves under driving with the second translating device, so that measured point is covered with the entire tyre tread of Railway wheelset.
3. a kind of Railway wheelset three-dimensional surface high precision measuring system according to claim 2, which is characterized in that described
Two translating devices are the hunting gear mobile for following train.
4. a kind of Railway wheelset three-dimensional surface high precision measuring system according to claim 1, which is characterized in that the point
Airborne laser range finder with wheel at a distance from surface be 500-900mm.
5. a kind of Railway wheelset three-dimensional surface high precision measuring system according to claim 1, which is characterized in that further include
Several dot laser range finders, several dot laser range finders are in a row along the translation direction continuous arrangement of the first translating device.
6. a kind of Railway wheelset three-dimensional surface high precision measuring system according to claim 1, which is characterized in that along train
Driving direction is equipped with several row's dot laser range finders.
7. a kind of Railway wheelset three-dimensional surface high precision measuring system according to claim 1, which is characterized in that the point
Airborne laser range finder is provided with angle adjustment device, for point of adjustment airborne laser range finder issue light angle and locking.
8. a kind of Railway wheelset three-dimensional surface high precision measuring system according to claim 1, which is characterized in that the point
The light that airborne laser range finder issues and the angle for the projection that This train is bound for XXX in the horizontal plane are 120 ° -150 °.
9. a kind of Railway wheelset three-dimensional surface high precision measuring system according to claim 3, which is characterized in that further include
Wheel detector, central processing unit obtain the signal that train arrives at monitoring point by wheel detector.
10. a kind of Railway wheelset three-dimensional surface high precision measuring system according to claim 3, which is characterized in that described
Be additionally provided with orbit correction device on hunting gear, the orbit correction device be used to detect the uneven situation of track and with
The connection of central processing unit signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821113258.2U CN208333391U (en) | 2018-07-13 | 2018-07-13 | A kind of Railway wheelset three-dimensional surface high precision measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821113258.2U CN208333391U (en) | 2018-07-13 | 2018-07-13 | A kind of Railway wheelset three-dimensional surface high precision measuring system |
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| Publication Number | Publication Date |
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| CN208333391U true CN208333391U (en) | 2019-01-04 |
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ID=64784456
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| CN201821113258.2U Active CN208333391U (en) | 2018-07-13 | 2018-07-13 | A kind of Railway wheelset three-dimensional surface high precision measuring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117928397A (en) * | 2024-01-22 | 2024-04-26 | 唐山百川智能机器股份有限公司 | Train wheel radial runout detection device |
| CN118149699A (en) * | 2024-01-31 | 2024-06-07 | 唐山百川智能机器股份有限公司 | Train wheel detection device |
-
2018
- 2018-07-13 CN CN201821113258.2U patent/CN208333391U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117928397A (en) * | 2024-01-22 | 2024-04-26 | 唐山百川智能机器股份有限公司 | Train wheel radial runout detection device |
| CN118149699A (en) * | 2024-01-31 | 2024-06-07 | 唐山百川智能机器股份有限公司 | Train wheel detection device |
| CN118149699B (en) * | 2024-01-31 | 2024-11-29 | 唐山百川智能机器股份有限公司 | Train wheel detection device |
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