CN216232242U - Track detection vehicle - Google Patents
Track detection vehicle Download PDFInfo
- Publication number
- CN216232242U CN216232242U CN202121968851.7U CN202121968851U CN216232242U CN 216232242 U CN216232242 U CN 216232242U CN 202121968851 U CN202121968851 U CN 202121968851U CN 216232242 U CN216232242 U CN 216232242U
- Authority
- CN
- China
- Prior art keywords
- wheel
- rail
- track
- detection
- plate
- 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
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The utility model relates to the technical field of rail detection, in particular to a rail detection vehicle, which comprises a vehicle body, wheels and a mileage positioning device, wherein the wheels can roll along a rail; the mileage positioning device includes a detection wheel in contact with the track and configured to roll along the track as the wheel rolls forward along the track, and an encoder for measuring the rotation of the detection wheel. According to the utility model, the detection wheel is arranged, and the encoder collects the rotation of the detection wheel, so that the influence on the detection of the encoder due to the fact that the conical wheel is always in a dynamic adjustment state can be avoided, and the detection result of the encoder is more accurate.
Description
Technical Field
The utility model relates to the technical field of rail detection, in particular to a rail detection vehicle.
Background
In recent years, the field of rail transit has been rapidly developed, and safe operation is the first factor of rail transit, and in order to ensure the safety of rail transit, it is necessary to perform regular maintenance on rail infrastructure. In the traditional maintenance method, a large amount of manpower identification and recording modes are mainly used for detecting diseases, however, the mode not only needs to spend a large amount of manpower and material resources, but also has the problems of wrong detection, missed detection, potential safety hazards of detection personnel and the like.
Along with the development of the technology, a rail disease detection method for replacing manpower with intelligent equipment gradually appears, mainly comprises the step of detecting diseases by using a rail detection vehicle, wherein the rail detection vehicle generally comprises a vehicle body, an image acquisition device and a mileage positioning device, the image acquisition device and the mileage positioning device are arranged on the vehicle body, the vehicle body can travel along a rail, in the traveling process of the vehicle body, the image acquisition device can acquire images of the rail, and meanwhile, the mileage positioning device can record the traveling mileage of the vehicle body, so that the abnormal position of the rail can be positioned by combining image information and mileage information, and further the position is overhauled.
In the prior art, the mileage positioning device comprises an encoder, wherein the encoder is arranged on a connecting shaft between a front wheel and a rear wheel, and the rotation of the shaft is calculated through the encoder to obtain mileage data. However, due to the particularity of the rail operation, the front wheels and the rear wheels of the rail detection vehicle are cone wheels, and the contact surfaces of the cone wheels and the rails are always dynamically adjusted according to road conditions, so that the mileage collection is inaccurate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a track detection vehicle, wherein a mileage detection device is arranged apart from a transmission shaft of a vehicle body, and the mileage acquisition result is accurate.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a rail inspection vehicle comprising:
a vehicle body;
a wheel rollable along the rail;
the track inspection vehicle further comprises a mileage positioning device, wherein the mileage positioning device comprises:
a detection wheel in contact with the track and configured to roll along the track as the wheel rollingly advances along the track;
an encoder for measuring rotation of the detection wheel.
Through setting up the detection wheel to make the encoder gather the rotation of detecting the wheel, can avoid causing the influence because of the toper wheel is in the dynamic adjustment state all the time and to the detection of encoder, make the testing result of encoder comparatively accurate.
As a preferred technical scheme of the track inspection vehicle, a fixed plate is arranged on the vehicle body, and the mileage positioning device is arranged on the fixed plate.
As a preferred technical solution of the track inspection vehicle, the mileage positioning device further includes a support assembly, and the support assembly includes:
the detection wheel and the encoder are arranged on the supporting plate;
the fixed plate is U-shaped, the upper ends of two side plates of the fixed plate are connected with the vehicle body, one end of the guide rod is arranged on the supporting plate, and the other end of the guide rod extends towards the direction close to the fixed plate and penetrates through a bottom plate of the fixed plate;
the elastic piece is sleeved on the guide rod and abuts between the supporting plate and the bottom plate of the fixing plate in a compressed state.
As a preferable technical scheme of the rail detection vehicle, the support plate is U-shaped, the detection wheel is rotatably connected between the two side plates of the support plate, the encoder is arranged on the outer side wall of one side plate of the support plate, and the guide rod is connected to the bottom plate of the support plate.
As a preferable technical scheme of the track detection vehicle, the mileage positioning device further comprises a linear bearing, the linear bearing is arranged on the bottom plate of the fixed plate, and the guide rod penetrates through the linear bearing in a sliding manner.
As the preferable technical scheme of the track detection vehicle, the extending end of the guide rod is provided with a limiting block, and the limiting block is used for limiting the sliding displacement of the guide rod.
As a preferable technical scheme of the track detection vehicle, the number of the guide rods is two.
As the preferable technical scheme of the rail detection vehicle, the detection wheels are cylindrical wheels.
As the preferable technical scheme of the track detection vehicle, the elastic piece is a spring.
As a preferable technical scheme of the track detection vehicle, the track detection vehicle further comprises an image acquisition device, and the image acquisition device can acquire images of the track.
The utility model has the beneficial effects that:
the utility model provides a track detection vehicle, which comprises a vehicle body, wheels and a mileage positioning device, wherein the wheels can roll along a track; the mileage positioning device includes a detection wheel that is in contact with the track and is configured to roll along the track as the wheel rolls forward along the track, and an encoder for measuring the rotation of the detection wheel. Through setting up the detection wheel to make the encoder gather the rotation of detecting the wheel, can avoid causing the influence because of the toper wheel is in the dynamic adjustment state all the time and to the detection of encoder, make the testing result of encoder comparatively accurate.
Drawings
FIG. 1 is a schematic structural diagram of a track inspection vehicle according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a mileage positioning device according to an embodiment of the present invention;
FIG. 3 is a schematic view of a portion of a support assembly according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an encoder according to an embodiment of the present invention.
In the figure:
10. a vehicle body; 11. a front side wheel; 12. a rear side wheel; 13. a fixing plate; 20. a mileage positioning device; 21. a support plate; 211. mounting holes; 22. detecting a wheel; 23. an encoder; 231. an input shaft; 232. mounting a boss; 24. elastic piece, 25, linear bearing; 26. a limiting block; 27. a guide rod.
Detailed Description
The technical scheme of the utility model is further explained by combining the attached drawings and the embodiment. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1, an embodiment of the present invention provides a track inspection vehicle, including a vehicle body 10, and an image acquisition device (not shown) and a mileage positioning device 20 that are disposed on the vehicle body 10, wherein a front transmission shaft and a rear transmission shaft are rotatably connected to the vehicle body 10, front wheels 11 are connected to two ends of the front transmission shaft, rear wheels 12 are connected to two ends of the rear transmission shaft, the front wheels 11 and the rear wheels 12 can roll along a track, and in order to adapt to track running, the front wheels 11 and the rear wheels 12 are both tapered wheels. In the walking process of the vehicle body 10, the image acquisition device can acquire the image of the track, and meanwhile, the mileage positioning device 20 can record the walking mileage of the vehicle body 10, so that the abnormal position of the track can be positioned by combining the image information and the mileage information, and the position is further overhauled.
With continued reference to fig. 1, a mileage positioning device 20 is provided between the front side wheels 11 and the rear side wheels 12. Specifically, as shown in fig. 2, the mileage positioning device 20 according to the embodiment of the present invention includes a detection wheel 22 and an encoder 23, the detection wheel 22 is in contact with the track and configured such that the detection wheel 22 rolls along the track when the wheel rolls forward along the track, and the encoder 23 is configured to measure the rotation of the detection wheel 22. Through setting up the detection wheel 22 to make encoder 23 gather the rotation of detecting wheel 22, can avoid causing the influence because of the toper wheel is in the dynamic adjustment state all the time and to encoder 23's detection, make encoder 23's testing result comparatively accurate. Preferably, the detection wheel 22 is a cylindrical wheel, and the cylindrical wheel operates more stably, so as to further improve the accuracy of the detection result of the encoder 23.
The vehicle body 10 is provided with a fixing plate 13, and the mileage positioning device 20 is arranged on the fixing plate 13 so as to fix the mileage positioning device 20. In this embodiment, the mileage positioning device 20 further includes a supporting component, and the detection wheel 22 and the encoder 23 are connected to the fixing plate 13 through the supporting component. Specifically, the support assembly includes a support plate 21, a guide rod 27 and an elastic member 24, wherein the detection wheel 22 and the encoder 23 are both disposed on the support plate 21; the fixed plate 13 is U-shaped, the upper ends of two side plates of the fixed plate 13 are connected with the vehicle body 10, preferably, the upper ends of two side plates of the fixed plate 13 extend outwards to form extension parts, and the two side plates of the fixed plate 13 are connected with the vehicle body 10 through the extension parts, so that the connection is more convenient; alternatively, the extension part and the vehicle body 10 can be connected through bolts in a simple and reliable manner. One end of the guide rod 27 is disposed on the support plate 21, and the other end extends in a direction close to the fixed plate 13 and penetrates through the bottom plate of the fixed plate 13; the elastic member 24 is sleeved on the guide rod 27 and is pressed between the support plate 21 and the bottom plate of the fixing plate 13. The structure is simple and reasonable, and the detection wheel 22 and the encoder 23 are convenient to arrange, and the elastic piece 24 is convenient to arrange. Through setting up elastic component 24, can make detection wheel 22 contact with the track all the time to guarantee that detection wheel 22 does not take place the idle running, further improved the accuracy of collection result. Preferably, the elastic member 24 is a spring.
In this embodiment, it is preferable that the supporting plate 21 has a U-shape, the detecting wheel 22 is rotatably connected between two side plates of the supporting plate 21, and the encoder 23 is disposed on an outer wall of one of the side plates of the supporting plate 21. Specifically, as shown in fig. 3 and 4, a mounting hole 211 is formed in a side plate of the support plate 21, the encoder 23 is disposed on the mounting boss 232 along the circumferential direction of the input shaft 231, the mounting boss 232 is inserted into one of the mounting holes 211 in an interference manner, a bearing is disposed in the other mounting hole 211, the input shaft 231 of the encoder 23 is rotatably connected with the bearing, the detection wheel 22 is fixedly sleeved on the input shaft 231 of the encoder 23, so that the detection wheel 22 can drive the input shaft 231 of the encoder 23 to rotate when rolling, and the encoder 23 can calculate the travel distance according to the number of rotation turns of the detection wheel 22 and the diameter of the detection wheel 22. Preferably, the detection wheel 22 is keyed to the input shaft 231 of the encoder 23 to make the connection more secure.
The guide rod 27 is connected to the bottom plate of the support plate 21, and the elastic member 24 is in contact with a gap between the bottom plate of the support plate 21 and the bottom plate of the fixed plate 13. Through the arrangement, the structure is more reasonable, and the arrangement of the detection wheel 22, the encoder 23 and the guide rod 27 is more convenient.
In this embodiment, the mileage positioning device 20 further includes a linear bearing 25, the linear bearing 25 is disposed on the bottom plate of the fixing plate 13, and the guide rod 27 is slidably disposed through the linear bearing 25, so as to reduce the wear between the guide rod 27 and the fixing plate 13 and improve the service life of the mileage positioning device 20. Alternatively, in other embodiments, the linear bearing 25 may be replaced by a shaft sleeve disposed in a through hole of the fixing plate 13 for the guide rod 27 to pass through. The above two ways can be selected according to the needs, but not limited to these. Further, the extended end of the guide rod 27 is provided with a stopper 26, and the stopper 26 is used for limiting the sliding displacement of the guide rod 27.
In this embodiment, preferably, the number of the guide rods 27 is two, and correspondingly, the elastic member 24, the linear bearing 25 and the stopper 26 are all in one-to-one correspondence with the guide rods 27. Through the arrangement, the whole structure is more stable.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A rail inspection vehicle comprising:
a vehicle body (10);
a wheel rollable along a track;
characterized in that, the track inspection car still includes mileage positioner (20), mileage positioner (20) include:
a detection wheel (22), said detection wheel (22) being in contact with said track and configured such that said detection wheel (22) rolls along said track as said wheel rolls forward along said track;
an encoder (23) for measuring the rotation of the detection wheel (22).
2. The rail inspection vehicle according to claim 1, characterized in that a fixing plate (13) is provided on the vehicle body (10), and the mileage positioning device (20) is provided on the fixing plate (13).
3. The rail inspection vehicle of claim 2, wherein the mileage positioning device (20) further comprises a support assembly including:
the supporting plate (21), the detection wheel (22) and the encoder (23) are both arranged on the supporting plate (21);
the fixed plate (13) is U-shaped, the upper ends of two side plates of the fixed plate (13) are connected with the vehicle body (10), one end of the guide rod (27) is arranged on the supporting plate (21), and the other end of the guide rod extends towards the direction close to the fixed plate (13) and penetrates through a bottom plate of the fixed plate (13);
and the elastic piece (24) is sleeved on the guide rod (27), and the elastic piece (24) is abutted between the support plate (21) and the bottom plate of the fixing plate (13) in a compressed state.
4. The rail detecting vehicle according to claim 3, characterized in that the supporting plate (21) is U-shaped, the detecting wheel (22) is rotatably connected between two side plates of the supporting plate (21), the encoder (23) is arranged on an outer side wall of one of the side plates of the supporting plate (21), and the guide rod (27) is connected to a bottom plate of the supporting plate (21).
5. The rail inspection vehicle of claim 3, wherein the mileage positioning device (20) further comprises a linear bearing (25), the linear bearing (25) is disposed on the bottom plate of the fixing plate (13), and the guide bar (27) is slidably disposed through the linear bearing (25).
6. The rail detecting vehicle according to claim 3, characterized in that the extending end of the guide rod (27) is provided with a stopper (26), and the stopper (26) is used for limiting the sliding displacement of the guide rod (27).
7. The rail detecting vehicle according to claim 3, characterized in that the number of the guide rods (27) is two.
8. The rail inspection vehicle of any of claims 1-7, wherein the inspection wheels (22) are cylindrical wheels.
9. The rail inspection vehicle of any of claims 3-7, wherein the resilient member (24) is a spring.
10. The rail inspection vehicle of any one of claims 1-7, further comprising an image capture device capable of capturing images of the rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121968851.7U CN216232242U (en) | 2021-08-20 | 2021-08-20 | Track detection vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121968851.7U CN216232242U (en) | 2021-08-20 | 2021-08-20 | Track detection vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216232242U true CN216232242U (en) | 2022-04-08 |
Family
ID=80982044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121968851.7U Active CN216232242U (en) | 2021-08-20 | 2021-08-20 | Track detection vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216232242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115962373A (en) * | 2022-12-28 | 2023-04-14 | 长江大学 | Flexible reconfigurable multifunctional pipeline robot |
-
2021
- 2021-08-20 CN CN202121968851.7U patent/CN216232242U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115962373A (en) * | 2022-12-28 | 2023-04-14 | 长江大学 | Flexible reconfigurable multifunctional pipeline robot |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104354718B (en) | Servo centering device of rail flaw detection robot | |
| CN216232242U (en) | Track detection vehicle | |
| CN101761004B (en) | Rail detecting instrument for low and medium speed magnetic suspension F-type rail | |
| CN109281238B (en) | Track detector | |
| CN204415430U (en) | A kind of rail examination robot servo aligning gear | |
| CN110789566A (en) | Track defect monitoring method and monitoring equipment based on axle box acceleration signal | |
| CN112498417A (en) | Railway vehicle derailment detection device and application method thereof | |
| CN208917650U (en) | A kind of intelligence pavement benkelman beams deflectometer | |
| CN208931350U (en) | A kind of track detection vehicle | |
| CN209878605U (en) | Detection system for bow net system | |
| CN210063004U (en) | Portable steel rail abrasion and profile detection device | |
| CN207636545U (en) | A kind of wheel seach unit follower of double rail type steel rail ultrasonic flaw detecting vehicle | |
| CN105235712A (en) | Dragging type F-shaped rail detector | |
| CN216483097U (en) | Measuring component and track detection device | |
| CN205396128U (en) | Train vehicle on -line measuring device | |
| CN113401165B (en) | Steel rail fastener loosening detection robot and detection method thereof | |
| CN201811853U (en) | Single-wheel flat plate-type suspension parameter detecting device | |
| CN212567468U (en) | Indoor environment detection device | |
| CN102175760B (en) | Metal magnetic memory signal acquisition device for R-angle position of waste crankshaft before remanufacturing | |
| CN107843372A (en) | A kind of the contact Intelligent force testing and force measuring method of static lower pantograph | |
| CN210005111U (en) | Mobile platform and vibration detection system based on distributed synchronous acquisition | |
| CN202221297U (en) | Automatic measuring machine for lorry wheel set | |
| CN202676144U (en) | Rail gap measuring device for maglev F-type rail | |
| CN214523785U (en) | Continuous type switch rail profile detection device | |
| CN202433072U (en) | Weighing structure assembly for detecting overload and offset load |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |