CN208780138U - A kind of train bottom surface three-dimensional high-precision measuring system - Google Patents
A kind of train bottom surface three-dimensional high-precision measuring system Download PDFInfo
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- CN208780138U CN208780138U CN201821113794.2U CN201821113794U CN208780138U CN 208780138 U CN208780138 U CN 208780138U CN 201821113794 U CN201821113794 U CN 201821113794U CN 208780138 U CN208780138 U CN 208780138U
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- laser range
- range finder
- train
- dot laser
- translating device
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Abstract
This patent discloses a kind of train bottom surface three-dimensional high-precision measuring systems, including the dot laser range finder for continuously measuring the distance between the measured point on bottom surface and range finder, the first translating device for driving dot laser range finder to translate and central processing unit, first translating device and dot laser range finder are connect with central processing unit signal respectively, the two sides of train rail or so are arranged in the dot laser range finder, first translating device drives the translation of dot laser range finder, so that measured point is covered with train bottom surface.The utility model is by measuring train bottom surface with high-precision dot laser range finder, the slight change of bottom surface 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 bottom surface.
Description
Technical field
The utility model belongs to wheel detection technical field, is related to a kind of train bottom surface three-dimensional high-precision measuring system.
Background technique
Train bottom surface is one of important component of train, how right in train launch weight ever-increasing today
Train bottom surface is detected, and train bottom surface is avoided crack or damage occur, has been subjected to the attention of more and more people.
Traditional bottom surface detection mode, majority are the images that bottom surface is obtained by optical camera, are compared by characteristic point
Mode to model to bottom surface, and the mill of bottom surface can be acquired according to the comparison of the construction drawing of the model of modeling and bottom surface script
Damage situation.But although this mode can acquire relatively large-sized image, the most inaccuracy of the information of image,
Precision is inadequate, can not perceive some slight changes on bottom surface, be easy to leave hidden danger.Such as patent CN201220189306.2,
It discloses a kind of for control system for track transportation vehicle underbody safety check, comprising: the scanning for the scanning of train vehicle bottom
Imaging device；Node Controller for system control；System host for system operatio；The aobvious of information is checked for showing
Show device；The sensor determined for entering or leaving detection range to train；For being monitored to entire checking process
With the scene camera of video recording；The automobile identity identifier set for train headstock and compartment identity.The patent is used and is taken the photograph
For camera as scanning imagery equipment, precision is low, has no idea to analyze the other nuance of grade, and be in train bottom
Portion, the darker unsuitable cameras capture image in the visual field, is easy to get the picture of distortion.
Utility model content
Technical problem to be solved by the utility model is to provide a kind of train bottom surface 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 train bottom surface three-dimensional high-precision measuring system, including for continuously measuring measured point and survey on train bottom surface
Dot laser range finder away from the distance between device, the first translating device for driving dot laser range finder to translate and centre
Unit is managed, the dot laser range finder is arranged between two tracks of train and is lower than rail level, first translating device and point
Airborne laser range finder is connect with central processing unit signal respectively, and first translating device drives the translation of dot laser range finder, is made
It obtains measured point and is covered with train bottom surface.
When train movement, bottom surface is relatively moved with dot laser range finder, and dot laser range finder is obtained
The distance between a series of measured points and range finder on bottom surface, by the position of the first translating device transfer point airborne laser range finder,
Allow train again by dot laser range finder, dot laser range finder can obtain additional series measured point and range finder on bottom surface
The distance between, all information of train bottom surface is finally obtained by repeatedly testing repeatedly.The utility model passes through with high-precision
The dot laser range finder of degree measures train bottom surface, can accurately measure the slight change of train bottom surface, then will measure
To data be input in central processing unit, establish the data model of tyre tread and analyzed, testing staff is allowed to can be visually seen
The threedimensional model and the degree of wear of tyre tread are conducive to the daily maintenance and safety detection of train bottom surface.
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 opposing stationary, the dot laser range finder is moved in the case where the first translating device drives with the second translating device, so that by
Measuring point is covered with the entire tyre tread of Railway wheelset.Second translating device is connect with central processing unit signal.
Preferably, second translating device is the hunting gear mobile for following train.
Preferably, the dot laser range finder is 500-900mm at a distance from train bottom surface.
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 is 500-900mm, more preferably 800mm at a distance from train bottom surface.
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 information of train bottom surface, need to expend longer
Time could survey bottom surface.Therefore accelerate measuring speed by arranging several dot laser range finders, reduce time-consuming.
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.
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, the measuring system further includes orbit correction device, and the orbit correction device is for detecting track
It uneven situation and is connect with central processing unit signal.
Compared to the test risen on special test platform to train bottom surface, 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 train bottom surface
The slight change of train bottom surface is taken turns, then the data that measurement obtains are input in central processing unit, establishes the data mould of tyre tread
Type is simultaneously analyzed, and is allowed testing staff to can be visually seen the threedimensional model and the degree of wear of tyre tread, is conducive to the day of train bottom surface
Often maintenance and safety detection.And it is mobile by the second translating device following train, dot laser range finder is moved in bottom surface high speed
Quickly entire tyre tread is measured under dynamic, mobile device is avoided and needs the shortcomings that returning of constantly turning back, measuring speed is fast,
Solve the problems, such as that dot laser ranging measuring speed is slow.
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 train bottom surface three-dimensional high-precision measuring system, including for continuously measuring measured point and survey on train bottom surface
Dot laser range finder 1 away from the distance between device, the first translating device for driving dot laser range finder 1 to translate and center
Processing unit, first translating device and dot laser range finder 1 are connect with central processing unit signal respectively, and described first is flat
Moving device drives dot laser range finder 1 to translate, so that measured point is covered with the entire tyre tread of train bottom surface.The central processing unit
It can be processor, computer or other equipment with processing data function.It is generally understood that dot laser is surveyed as needed
Away from the setting of device 1 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.
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 train bottom surface.
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 is 500-900mm at a distance from bottom surface.
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.
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 train bottom surface in actual motion.
Embodiment 2
A kind of train bottom surface three-dimensional high-precision measuring system, including for continuously measuring measured point and survey on bottom surface
Dot laser range finder 1 away from the distance between device, the first translating device for driving dot laser range finder 1 to translate and center
Processing unit, first translating device and dot laser range finder 1 are connect with central processing unit signal respectively, and described first is flat
Moving device drives dot laser range finder 1 to translate, so that measured point is covered with train bottom surface.The central processing unit can be processing
Device, 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 train bottom surface.
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 is 500-900mm at a distance from bottom surface.
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 train bottom surface 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 (8)
1. a kind of train bottom surface three-dimensional high-precision measuring system, which is characterized in that including for continuously measuring on bottom surface
The dot laser range finder of the distance between measured point and range finder, the first translating device for driving dot laser range finder to translate
And central processing unit, first translating device and dot laser range finder are connect with central processing unit signal respectively, institute
The position of dot laser range finder is stated lower than rail level, first translating device drives the translation of dot laser range finder, so that measured point
It is covered with train bottom surface；The dot laser range finder is 500-900mm at a distance from bottom surface；The light that the dot laser range finder issues
Line and the angle for the projection that This train is bound for XXX in the horizontal plane are 120 ° -150 °.
2. a kind of train bottom surface three-dimensional high-precision measuring system according to claim 1, which is characterized in that further include being used for
The second translating device for driving the first translating device to translate, the direction of the second translating device translation and the first translating device are flat
The direction of shifting forms an angle, and when train and dot laser range finder are opposing stationary, the dot laser range finder is in the first translation
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 train bottom surface three-dimensional high-precision measuring system according to claim 2, which is characterized in that described second is flat
Moving device is the hunting gear mobile for following train.
4. a kind of train bottom surface three-dimensional high-precision measuring system according to claim 1, which is characterized in that further include several
Dot laser range finder, several dot laser range finders are in a row along the translation direction continuous arrangement of the first translating device.
5. a kind of train bottom surface three-dimensional 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.
6. a kind of train bottom surface three-dimensional high-precision measuring system according to claim 1, which is characterized in that the dot laser
Range finder is provided with angle adjustment device, for point of adjustment airborne laser range finder issue light angle and locking.
7. a kind of train bottom surface three-dimensional high-precision measuring system according to claim 1, which is characterized in that further include wheel
Sensor, central processing unit obtain the signal that train arrives at monitoring point by wheel detector.
8. a kind of train bottom surface three-dimensional high-precision measuring system according to claim 1, which is characterized in that further include track
Means for correcting, the orbit correction device are used to detect the uneven situation of track and connect with central processing unit signal
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821113794.2U CN208780138U (en) | 2018-07-13 | 2018-07-13 | A kind of train bottom surface three-dimensional high-precision measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821113794.2U CN208780138U (en) | 2018-07-13 | 2018-07-13 | A kind of train bottom surface three-dimensional high-precision measuring system |
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| Publication Number | Publication Date |
|---|---|
| CN208780138U true CN208780138U (en) | 2019-04-23 |
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ID=66153937
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821113794.2U Active CN208780138U (en) | 2018-07-13 | 2018-07-13 | A kind of train bottom surface three-dimensional high-precision measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208780138U (en) |
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2018
- 2018-07-13 CN CN201821113794.2U patent/CN208780138U/en active Active
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