CN214276826U - Railway track detection equipment - Google Patents
Railway track detection equipment Download PDFInfo
- Publication number
- CN214276826U CN214276826U CN202120359445.4U CN202120359445U CN214276826U CN 214276826 U CN214276826 U CN 214276826U CN 202120359445 U CN202120359445 U CN 202120359445U CN 214276826 U CN214276826 U CN 214276826U
- Authority
- CN
- China
- Prior art keywords
- target
- rail
- data processing
- measuring target
- light source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The utility model discloses a railway track check out test set belongs to railway track and detects technical field. The detection equipment comprises a laser light source, a reference target, a measuring target, a data processing device and an on-rail moving device; the rail moving device comprises a cross beam crossing between the two rails and traveling mechanisms arranged at two ends of the cross beam, a slide rail ruler is arranged on the cross beam, and the measuring target is arranged on the rail moving device and can slide along the slide rail ruler; the measuring target is provided with a shooting device which is used for shooting laser spots projected by the laser light source onto the measuring target and transmitting signals to the data processing device; the measuring target is arranged between the reference target and the laser light source, and the reference target is used for monitoring whether the reference line deviates or not. Compared with the prior art, the device has the characteristics of light weight, convenience in use, high measurement precision and the like.
Description
Technical Field
The utility model belongs to the railway track detection area, concretely relates to railway track check out test set.
Background
The deviation of the railway track in the vertical and horizontal directions from the ideal position has a great influence on the comfort and safety of train operation, especially on high-speed railways, and the requirement on the position accuracy of the track is high. Therefore, a high requirement is placed on the detection accuracy of the railway track detection equipment.
The method for measuring the linearity of the railway is commonly used in the existing method for measuring the linearity of the railway, the maximum height of a string is measured, the sag of the string rope is caused by the self weight of the string rope, and the accuracy is low and the measurement error is large due to the influences of subjectivity of manual interpretation, light, weather and the like. Along with the development of the mapping technology, the large-area acceleration of the train is realized, the inertial navigation trolley is appeared, the internal parameters and the external parameters of the track can be detected, the line shape and the line smoothness of the track can be measured, but the inertial navigation trolley is expensive, large in size, heavy in weight, complex to operate and inconvenient for night lane-shifting construction.
Chinese utility model publication No. CN204309801U discloses a detection device for detecting track smoothness, as shown in fig. 1, the detection device includes a rail car 71 stretched over a track, a measurement target 72 carried on the rail car, and a laser emission device 73 located on the track in front of the measurement target 72; the measurement target 72 comprises a target surface and a camera which is positioned behind the target surface and fixed relative to the target surface, wherein the target surface is made of semitransparent materials, the laser emitting device 73 is used for projecting laser onto the target surface to form a light spot, and the camera is used for capturing and storing a light spot image formed by the light spot on the target surface. In the measurement process of the device, the laser emitted by the laser emitting device 73 may deviate due to factors such as installation error, rail vibration, temperature change and the like, and the measurement precision is affected.
SUMMERY OF THE UTILITY MODEL
In view of this, the to-be-solved technical problem of the utility model is to provide a simple operation, high accuracy railway rails check out test set.
The technical scheme of the utility model is that: the railway track detection equipment comprises a laser light source, a reference target, a measuring target, a data processing device and an on-track moving device; the rail upper moving device comprises a cross beam crossing between the two rails and traveling mechanisms arranged at two ends of the cross beam, a slide rail ruler is arranged on the cross beam, and the measuring target is arranged on the rail upper moving device and can slide along the slide rail ruler; the measuring target is provided with a shooting device which is used for shooting laser spots projected onto the measuring target by the laser light source and transmitting signals to the data processing device; the measuring target is arranged between the reference target and the laser light source, and the reference target is used for monitoring whether a reference line deviates or not.
Furthermore, a groove sliding rail is arranged on the cross beam of the rail upper moving device; and a sliding block is arranged on the groove sliding rail, and a supporting structure is connected to the sliding block and used for installing the data processing device.
Furthermore, the supporting structure comprises a telescopic supporting rod, a universal joint, an X-shaped fixing frame and a rubber outer sleeve; the rubber jacket is provided with a thickened buffer layer at the right-angle position.
Furthermore, the data processing device and the measuring target are connected through wired or wireless communication, and the data processing device can be used by being separated from the X-shaped fixing frame in a handheld mode.
Furthermore, a fixing mechanism, a leveling bubble, a vertical screw knob and a micro-motion hand wheel are arranged on the laser light source; a fixing mechanism and a leveling bubble are arranged on the reference target;
further, a longitudinal division line and a transverse division line are arranged on the reference target surface, wherein two division lines intersect at the center of the target surface.
Furthermore, a push rod is arranged on the cross beam of the rail moving device.
Furthermore, a spatial phase modulator is arranged in the laser light source, so that laser spots are annular, and the spot identification precision is improved.
Furthermore, an optical filter is arranged in the measuring target, so that stray light is prevented from passing through, and the laser spot recognition rate is improved.
The device is light in weight and convenient to use, receives and processes data in real time through the data processing device, can avoid the observation modes of frequent bowing such as the string pulling rope and the like, and greatly reduces the labor intensity; meanwhile, the reference target, the phase modulator and the optical filter are arranged at corresponding positions, so that the measurement precision is greatly improved.
Drawings
FIG. 1 is a schematic diagram of a prior art rail detection apparatus;
fig. 2 is a schematic view of the railway track inspection device of the present invention;
fig. 3 is a schematic view of the laser light source of the present invention;
fig. 4 is a schematic view of the supporting structure of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In order to make the technical solution of the present invention better understood, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances in order to describe embodiments of the invention. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Fig. 2 is a schematic view of an embodiment of the railway track inspection apparatus of the present invention. The apparatus comprises a laser light source 1, a reference target 2, a measurement target 3, data processing means 6 and on-rail moving means. The on-rail moving device comprises a cross beam crossing between the two rails and traveling mechanisms 17 arranged at two ends of the cross beam, a slide rail ruler 18 is arranged on the cross beam, and the measuring target 3 is arranged on the on-rail moving device and can slide along the slide rail ruler 18; the measuring target 3 is provided with a shooting device 11 for shooting laser spots projected onto the measuring target 3 by the laser light source 1 and transmitting signals to the data processing device 6; the measuring target 3 is arranged between the reference target 2 and the laser light source 1, and the reference target 2 is used for monitoring whether the reference line deviates or not.
When the device is used specifically, a first datum point and a second datum point are preset at two ends of a track to be detected; the laser light source 1 is arranged on a first reference point of a track, the fixing mechanism 7 is fixed on the track, and meanwhile, the leveling bubble 9 is adjusted to be in a horizontal state; the reference target 2 is arranged on the inner side surface of the measured rail of the second reference point of the rail, the fixing mechanism 7 is fixed on the rail, and meanwhile, the leveling bubble 9 is adjusted to be in a horizontal state. The fixing mechanism may be the fixture in fig. 1, or may be an elastic clamp, a fastening screw, a magnet, or the like. Turning on a laser light source switch, wherein a laser reference line 4 is emitted from a light source exit pupil 5 at the moment, and a laser spot is projected to the center of a division line of a target surface of a reference target 2 by adjusting a vertical screw knob and a micro-motion hand wheel; the laser light source 1 and the reference target 2 are adjusted to ensure that the center of the laser exit pupil 5 and the center point of the division line of the target surface of the reference target 2 are both equal to the top surface of the rail to be measured, and the connecting line of the laser exit pupil and the center point of the division line of the target surface of the reference target 2 are on a vertical plane. The measuring target 3 is arranged on the rail moving device, and the contact part of two ends of the beam and the rail is provided with a traveling mechanism 17. When the rail-mounted moving device moves, the traveling mechanism 17 moves back and forth along the rail. The traveling mechanism 17 may be a traveling wheel adopting a rolling manner, a sliding piece adopting a sliding manner, or the like. The center of the measuring target 3 and the center of the exit pupil 5 are equal in height relative to the top surface of the measured rail, the connecting line of the measuring target and the two datum points is on a vertical plane, the measuring target is always equal in height to the center of the measuring target when sliding on the slide rail ruler 18, and the slide rail ruler is provided with scales, so that the horizontal deviation, the longitudinal deviation and the chord height of each measuring point relative to the laser datum line can be calculated through the measuring target and the slide rail ruler. The measuring target 3 is provided with a shooting camera 11, the light spot is transmitted to the data processing device 6 through the shooting camera 11, an operator receives the light spot image through the data processing device 6, and the data processing device 6 automatically calculates the displacement of the light spot in the X, Y direction to provide real-time data for track detection; the data processing device can be a notebook computer, a tablet computer or a mobile phone.
The utility model discloses a preferred embodiment, data processing apparatus 6 adds the rubber overcoat 21 that is equipped with the anti-falling function, and data processing apparatus 6 is fixed on "X" shape mount 22, "X" shape mount 22 passes through universal joint 23 and is connected with bracing piece 24, and universal joint 23 can make data processing apparatus 6 adjust the incline direction wantonly, convenient operation. The supporting rod 24 is connected with the sliding block 19, the sliding block 19 can slide on the groove sliding rail 20, the groove sliding rail can ensure that the sliding block moves in parallel without rotating, the screen surface of the data processing device 6 is provided with an anti-glare layer, the data processing device 6 and the measuring target 3 can be connected by wired or wireless communication, the data processing device 6 can be used by being held by a hand by the X-shaped fixing frame 22, and the supporting rod 24 can adjust the height of the rod.
In a preferred embodiment of the present invention, the railway track detecting device further comprises a push rod 16. One end of the push rod 16 is connected to the cross beam of the rail moving device for pushing the device. Preferably, the push rod 16 is connected at one end to the middle of the cross member to facilitate smooth movement of the on-rail moving means. Preferably, the push rod 16 is T-shaped to facilitate the application of pushing force by the operator.
The utility model discloses an in a preferred embodiment, laser light source 1 built-in space phase modulator 13, after laser passed through space phase modulator 13, the laser facula can present annular facula, and the facula center is discerned rapidly to the data processing device 6 of being convenient for, and its central bright spot can guarantee that the laser line is accurate to aim at 2 division line centers on the benchmark target, need not the focusing adjustment in the measurement process, makes the laser datum line remain stable, improves work efficiency.
In a preferred embodiment of the present invention, the head of the measuring target 3 is provided with a narrow-band filter 12, which can prevent the background light from passing through, and only allow the small range wavelength of the laser beam to pass through, thereby further improving the recognition rate of the light spot.
Claims (5)
1. A railway track inspection apparatus, characterized by:
the device comprises a laser light source (1), a reference target (2), a measuring target (3), a data processing device (6) and an on-rail moving device;
the on-rail moving device comprises a cross beam crossing between the two rails and traveling mechanisms (17) arranged at two ends of the cross beam, a slide rail ruler (18) is arranged on the cross beam, and the measuring target (3) is arranged on the on-rail moving device and can slide along the slide rail ruler (18);
the measuring target (3) is provided with a shooting device (11) which is used for shooting laser spots projected onto the measuring target (3) by the laser light source (1) and transmitting signals to the data processing device (6);
the measuring target (3) is arranged between the reference target (2) and the laser light source (1), and the reference target (2) is used for monitoring whether a reference line deviates or not.
2. The railway track detection apparatus of claim 1, wherein:
a groove sliding rail (20) is arranged on the cross beam of the rail upper moving device;
and a sliding block (19) is arranged on the groove sliding rail (20), and a supporting structure is connected to the sliding block (19) and used for installing the data processing device (6).
3. The railway track detection apparatus of claim 2, wherein:
the supporting structure comprises a telescopic supporting rod (24), a universal joint (23), an X-shaped fixing frame (22) and a rubber outer sleeve (21);
the rubber outer sleeve (21) is provided with a thickened buffer layer at the right-angle position.
4. The railway track detection apparatus of claim 3, wherein:
the data processing device (6) is connected with the measuring target (3) through wired or wireless communication, and the data processing device (6) can be used by being separated from the X-shaped fixing frame (22) in a handheld mode.
5. The railway track detection apparatus of claim 1, wherein:
the laser light source (1) is provided with a fixing mechanism (7), a leveling bubble (9), a vertical screw knob and a micro-motion hand wheel;
and the reference target (2) is provided with a fixing mechanism (7) and a leveling bubble (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120359445.4U CN214276826U (en) | 2021-02-09 | 2021-02-09 | Railway track detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120359445.4U CN214276826U (en) | 2021-02-09 | 2021-02-09 | Railway track detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214276826U true CN214276826U (en) | 2021-09-24 |
Family
ID=77790158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120359445.4U Active CN214276826U (en) | 2021-02-09 | 2021-02-09 | Railway track detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214276826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116989705A (en) * | 2023-09-27 | 2023-11-03 | 北京科技大学 | Track flatness measuring system and method |
-
2021
- 2021-02-09 CN CN202120359445.4U patent/CN214276826U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116989705A (en) * | 2023-09-27 | 2023-11-03 | 北京科技大学 | Track flatness measuring system and method |
| CN116989705B (en) * | 2023-09-27 | 2024-01-23 | 北京科技大学 | Track flatness measuring system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6634112B2 (en) | Method and apparatus for track geometry measurement | |
| US7499186B2 (en) | Laser survey device | |
| CN201232146Y (en) | Tunnel and track measuring systems | |
| JPH05248866A (en) | Truck for measuring distance between rail and fixed point | |
| CN104554342B (en) | Rail smooth degree detection means | |
| CN210464365U (en) | Contact rail geometric parameter detection device | |
| CN214276826U (en) | Railway track detection equipment | |
| CN204309801U (en) | For detecting the detecting device of rail smooth degree | |
| CN110231347A (en) | A kind of bridge bottom surface detection device and method | |
| JPH05213198A (en) | Method and apparatus for measuring warp of track | |
| CN112945261A (en) | Portable intelligent measurement trolley with engineering data fixing function | |
| CN112278011A (en) | Robot device for comprehensive detection of crane track and comprehensive detection method | |
| CN202827631U (en) | Rail detection device | |
| CN210526530U (en) | Rail inspection trolley for railway | |
| JP3966335B2 (en) | Trajectory inspection method and trajectory inspection kit | |
| CN205443825U (en) | Railway track inspection system based on IGPS | |
| CN112945264A (en) | Portable intelligent measurement trolley with stroke recording function | |
| CN112945262A (en) | Portable intelligent measurement trolley with engineering data detection function | |
| JP5501877B2 (en) | Movable home fence measuring device and measuring method | |
| CN110644305A (en) | Dynamic track geometric state measuring system | |
| JP3536950B2 (en) | Portable trolley wire wear measuring device | |
| CN204325832U (en) | For detecting the railcar of rail smooth degree | |
| CN211927295U (en) | Rail vehicle bottom wheel type walking detection equipment with stable platform | |
| CN114802342A (en) | Visual self-walking inspection equipment for railway track machine | |
| CN112945260A (en) | Portable intelligent measurement trolley with anti-collision function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |