CN206832201U - A kind of device for track side surfaces Abrasion detecting - Google Patents
A kind of device for track side surfaces Abrasion detecting Download PDFInfo
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- CN206832201U CN206832201U CN201720778719.7U CN201720778719U CN206832201U CN 206832201 U CN206832201 U CN 206832201U CN 201720778719 U CN201720778719 U CN 201720778719U CN 206832201 U CN206832201 U CN 206832201U
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- vertical cantilever
- track
- signal
- contour
- profile
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- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The utility model discloses a kind of device for track side surfaces Abrasion detecting, it includes：Left two-dimensional laser profile scanning instrument, right two-dimensional laser profile scanning instrument, left profile signal amplification circuit, right wheel exterior feature signal amplification circuit, synchronized sampling circuit and nominal contour difference channel；Left profile signal and right contour signal are obtained by left two-dimensional laser profile scanning instrument and right two-dimensional laser profile scanning instrument respectively, and the wearing valve of track side surfaces is obtained by nominal contour difference channel.The device can quickly realize non-contact measurement, and accuracy of detection is high, strong antijamming capability, and detection efficiency is high.
Description
Technical field
It the utility model is related to track field, more particularly to a kind of dress for track side surfaces Abrasion detecting
Put.
Background technology
Track in track traffic, such as the side wear of rail refer to the abrasion of rail head medial surface, typically with rail head
Side circular arc is with the wearing valve at the tangent point of contact of rail head medial surface as Track irregularity value.The side of stock riveting rail on general curve
Stock rail and straight rail are much bigger under the wear resistance ratio of face, are the governing factors of curved steel rail service life.Therefore, periodic measurement is bent
Stock Track irregularity is very necessary on line.
Track irregularity is the same with vertical abrasion, is measured with measurement of rail wear device, onsite application at most be
61 shaped steel rail gauges.During measurement abrasion, two pin of measurement of rail wear device support are propped up on the rail flange of rail, with mark
The quasi- corrected stylus tip of rail profile abuts Rail Surface and side, you can reads wearing valve.In other instances, steel is worked as
When the asymmetric error of the perpendicular axis of rail section is larger, 61 shaped steel rail gauges measurement side wear occurs very big
Error.The TJ shaped steel rail gauges of Ministry of Railways Institute of Science and Technology Railway Institute's design change support Zhi Gang
The mode of the rail flange of rail, measuring appliance is enclosed on rail head, the wide scale of rail head is tightened the fixation at the top of measuring appliance on the outside of rail head
Screw, measuring appliance is set to stand on rail head, this eliminates the influence of the perpendicular axis asymmetric error of rail profile, improves
Measurement accuracy.The side wear under vernier caliper measurement rail level at 14~16mm is used at scene sometimes, as slide measure places position
Put correctly, can also obtain preferable effect.However, the above method is existed using contact type measurement, detection speed is slow, and detection is imitated
The problem of rate is low.
Track Abrasion detecting is realized by carrying out image recognition to orbital image using computer vision technique, for example, it is right
The Rail Surface profile measurement light belt of ccd video camera shooting carries out image procossing, and it is horizontal to obtain the wide binaryzation rail of single pixel
Cross section profile, and then obtain the wearing valve of track.Due to needing that the image of complexity is largely calculated, not only need substantial amounts of
Computing resource, and due to easily being disturbed by foreign matter, can not realize and measure at a high speed, however it remains measurement efficiency and the degree of accuracy are relatively low
Problem.
Utility model content
One of the purpose of this utility model at least that, in view of the above-mentioned problems of the prior art, provide one kind be used for
The device of track side surfaces Abrasion detecting, non-contact measurement can be quickly realized, and accuracy of detection is high, strong antijamming capability, inspection
Survey efficiency high.
To achieve these goals, the technical solution adopted in the utility model includes following aspects.
A kind of device for track side surfaces Abrasion detecting, it includes：Left two-dimensional laser profile scanning instrument, right two-dimensional laser
Profile scanning instrument, left profile signal amplification circuit, right wheel exterior feature signal amplification circuit, synchronized sampling circuit and nominal contour are poor
Parallel circuit；
Wherein, left two-dimensional laser profile scanning instrument is arranged on the left of track, is fixed on the installation card of left vertical cantilever end
In groove, by RS485 or ethernet signal line, contour signal amplifying circuit sends left profile signal to the left；Right two-dimensional laser section
Scanner is arranged on the right side of track, is fixed in the installation neck of right vertical cantilever end, is passed through RS485 or ethernet signal line
Contour signal amplifying circuit sends right contour signal to the right；
Left profile signal amplification circuit and right wheel exterior feature signal amplification circuit are respectively used to the wide letter of left profile signal core right wheel
Number it is amplified and handles and be sent to synchronized sampling circuit；Synchronized sampling circuit is used to use frequency acquisition track according to default
Cross section profile；Nominal contour difference channel is used to carry out difference processing with cross section profile according to the nominal contour of storage, obtains
The wearing valve of track side surfaces.
Preferably, the installation neck of above-mentioned left vertical cantilever and right vertical cantilever end is respectively provided with horizontal tilt fine setting rotation
Button, angle of inclination dial and horizontal lock latch.
Preferably, above-mentioned left vertical cantilever and the height of right vertical cantilever end are arranged to the height phase with top of the rail
Together.
Preferably, above-mentioned left vertical cantilever and right vertical cantilever are separately positioned on horizontal boom both ends；Left vertical cantilever, the right side
Vertical cantilever and horizontal boom are hollow metal supporting member, for accommodating RS485 or ethernet signal line.
Preferably, above-mentioned left profile signal amplification circuit, right wheel exterior feature signal amplification circuit, synchronized sampling circuit, Yi Jibiao
Quasi- profile difference channel is arranged in the hollow cavity of horizontal boom.
Preferably, above-mentioned horizontal boom is fixedly installed on the one of the car body bottom surface of high-speed track detection car by shock-absorbing device
Side.
In summary, by adopting the above-described technical solution, the utility model at least has the advantages that：
Left profile signal and the right side are obtained by left two-dimensional laser profile scanning instrument and right two-dimensional laser profile scanning instrument respectively
Contour signal, and by nominal contour difference channel obtain track side surfaces wearing valve, can quickly realize non-contact measurement,
And accuracy of detection is high, strong antijamming capability, detection efficiency height.
Brief description of the drawings
Fig. 1 is the structural representation according to a kind of device for track side surfaces Abrasion detecting of the embodiment of the utility model one
Figure.
Fig. 2 is vertically hanged in a kind of device for track side surfaces Abrasion detecting according to another embodiment of the utility model
The structural representation of arm.
Fig. 3 is tied according to a kind of application of device for track side surfaces Abrasion detecting of the another embodiment of the utility model
Structure schematic diagram.
Embodiment
Below in conjunction with the accompanying drawings and embodiment, the utility model is further elaborated, so that of the present utility model
Object, technical solution and advantage are more clearly understood.It should be appreciated that specific embodiment described herein is only explaining this reality
With new, it is not used to limit the utility model.
As shown in figure 1, included according to a kind of device for track side surfaces Abrasion detecting of the embodiment of the utility model one：
Left two-dimensional laser profile scanning instrument 1, right two-dimensional laser profile scanning instrument 2, left profile signal amplification circuit 71, right contour signal are put
Big circuit 72, synchronized sampling circuit 73 and nominal contour difference channel 74；
Wherein, left two-dimensional laser profile scanning instrument 1 is arranged on the left side of track 6, is fixed on the installation of the left end of vertical cantilever 3
In neck.In detection, launch high-precision laser beam 11 and track 6 is irradiated, and contoured refractive signal corresponding to acquisition,
RS485 or the ethernet signal line left profile signal of the transmission of contour signal amplifying circuit 71 to the left can then be passed through.Right two dimension swashs
Light profile scanning instrument 2 is arranged on the right side of track 6, is fixed in the installation neck of the right end of vertical cantilever 4, in detection, transmitting
High-precision laser beam 21 is irradiated to track 6, and contoured refractive signal corresponding to acquisition, then passes through RS485 or ether
Contour signal amplifying circuit 72 sends right contour signal to net signal wire to the right.
Left profile signal amplification circuit 71 and right wheel exterior feature signal amplification circuit 72 are respectively used to left profile signal core right wheel
Wide signal, which is amplified, handles and is sent to synchronized sampling circuit 73；Synchronized sampling circuit 73 is used to use frequency according to default
Obtain the cross section profile of track；Nominal contour difference channel 74 is used to carry out difference with cross section profile according to the nominal contour of storage
Processing, obtain the wearing valve of track side surfaces.
Fig. 2, which is shown in a kind of device for track side surfaces Abrasion detecting according to another embodiment of the utility model, to hang down
The structural representation of straight cantilever.Left vertical cantilever and right vertical cantilever have an identical symmetrical structure, Fig. 2 using right vertical cantilever as
Example illustrates.The installation neck 47 of the right end of vertical cantilever 4 has horizontal tilt vernier knob 41, angle of inclination dial 42
With horizontal lock latch 43, so as to the section according to different type track (for example, high-speed railway, subway etc.) difference come
Adjustment dimension laser profile scanning instrument laser beam irradiating angle, with the change in matching track section come go back optimum detection away from
From so as to improve the accuracy of measurement.
Further, left vertical cantilever and the height of right vertical cantilever end could be arranged to the height with top of the rail
It is identical.And left vertical cantilever and right vertical cantilever are separately positioned on horizontal boom both ends；Left vertical cantilever, right vertical cantilever,
And horizontal boom is hollow metal supporting member, for accommodating RS485 or ethernet signal line.Also, left profile signal
Amplifying circuit, right wheel exterior feature signal amplification circuit, synchronized sampling circuit and nominal contour difference channel are arranged at horizontal boom
Hollow cavity in, run so as to the independent circuit system with detection car body, rapidly can obtain monitoring number from outside
According to.
Fig. 3 shows a kind of peace of device for track side surfaces Abrasion detecting according to the another embodiment of the utility model
Fill application schematic diagram.It can simultaneously install in the application and cover the detection means more, Fig. 3 is illustrated exemplified by installing two sets.The
The horizontal boom of the device of a set of track side surfaces Abrasion detecting logical 5 crosses shock-absorbing device 51 and is fixedly installed on high-speed track detection car
The left side of the bottom surface of car body 61, the horizontal boom of same another covering device are fixedly installed on high-speed track by shock-absorbing device and detect car
Car body bottom surface right side.So as to realize to being detected while double track side wear.
It is described above, the only detailed description of the utility model embodiment, rather than to limitation of the present utility model.
Those skilled in the technology concerned in the case where not departing from principle and scope of the present utility model, the various replacements made,
Modification and improvement should be included within the scope of protection of the utility model.
Claims (6)
1. a kind of device for track side surfaces Abrasion detecting, it is characterised in that described device includes：Left two-dimensional laser section is swept
Retouch instrument, right two-dimensional laser profile scanning instrument, left profile signal amplification circuit, right wheel exterior feature signal amplification circuit, synchronized sampling circuit,
And nominal contour difference channel；
Wherein, left two-dimensional laser profile scanning instrument is arranged on the left of track, is fixed in the installation neck of left vertical cantilever end,
By RS485 or ethernet signal line, contour signal amplifying circuit sends left profile signal to the left；Right two-dimensional laser profile scanning
Instrument is arranged on the right side of track, is fixed in the installation neck of right vertical cantilever end, by RS485 or ethernet signal line to the right
Contour signal amplifying circuit sends right contour signal；
Left profile signal amplification circuit and right wheel exterior feature signal amplification circuit are respectively used to enter the right contour signal of left profile signal core
Row enhanced processing is simultaneously sent to synchronized sampling circuit；Synchronized sampling circuit is used for according to default cutting using frequency acquisition track
Facial contour；Nominal contour difference channel is used to carry out difference processing with cross section profile according to the nominal contour of storage, obtains track
The wearing valve of side.
2. device according to claim 1, it is characterised in that the installation of the left vertical cantilever and right vertical cantilever end
Neck is respectively provided with horizontal tilt vernier knob, angle of inclination dial and horizontal lock latch.
3. device according to claim 1, it is characterised in that the left vertical cantilever and the height of right vertical cantilever end
It is arranged to identical with the height of top of the rail.
4. device according to claim 1, it is characterised in that the left vertical cantilever and right vertical cantilever are separately positioned on
Horizontal boom both ends；Left vertical cantilever, right vertical cantilever and horizontal boom are hollow metal supporting member, for accommodating
RS485 or ethernet signal line.
5. device according to claim 4, it is characterised in that the left profile signal amplification circuit, right contour signal are put
Big circuit, synchronized sampling circuit and nominal contour difference channel are arranged in the hollow cavity of horizontal boom.
6. device according to claim 4, it is characterised in that the horizontal boom is fixedly installed on height by shock-absorbing device
The side of the car body bottom surface of fast track detection vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778719.7U CN206832201U (en) | 2017-06-30 | 2017-06-30 | A kind of device for track side surfaces Abrasion detecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778719.7U CN206832201U (en) | 2017-06-30 | 2017-06-30 | A kind of device for track side surfaces Abrasion detecting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206832201U true CN206832201U (en) | 2018-01-02 |
Family
ID=60778453
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720778719.7U Expired - Fee Related CN206832201U (en) | 2017-06-30 | 2017-06-30 | A kind of device for track side surfaces Abrasion detecting |
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| Country | Link |
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| CN (1) | CN206832201U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724504A (en) * | 2018-12-29 | 2019-05-07 | 上海磁浮交通发展有限公司 | A kind of magnetic floats turnout rail wear measurement device and measurement method |
-
2017
- 2017-06-30 CN CN201720778719.7U patent/CN206832201U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724504A (en) * | 2018-12-29 | 2019-05-07 | 上海磁浮交通发展有限公司 | A kind of magnetic floats turnout rail wear measurement device and measurement method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20200630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |