CN103481911A - Rim tread image collecting system and train wheel anomaly detection system - Google Patents
Rim tread image collecting system and train wheel anomaly detection system Download PDFInfo
- Publication number
- CN103481911A CN103481911A CN201310455962.1A CN201310455962A CN103481911A CN 103481911 A CN103481911 A CN 103481911A CN 201310455962 A CN201310455962 A CN 201310455962A CN 103481911 A CN103481911 A CN 103481911A
- Authority
- CN
- China
- Prior art keywords
- tread
- camera
- wheel rim
- image capture
- capture device
- 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.)
- Granted
Links
Images
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides a rim and tread image collecting system which comprises a plurality of rim image collecting devices and a plurality of tread image collecting devices. The rim image collecting devices are distributed on the two sides of each branch rail of a rail, and each rim image collecting device comprises a first light fill source and a first camera, wherein the projection direction of the first light fill source and a lens of the first camera are both perpendicular to the branch rails. Each tread image collecting device comprises a second light fill source and a second camera, and the tread image collecting devices are arranged on one side of each branch rail, and acute angles or obtuse angles are formed between the projection direction of the second light fill source and the branch rails, and between the shoot direction of the second camera and the branch rails. According to the scheme, obtained images are used as the foundation of anomaly analysis for a rim and a tread; compared with a mode that the outline boundary parameters are detected through lasers in the background art, the rim and tread image collecting system is more visual, and can improve the rim and tread anomaly detection precision. The invention further provides a train wheel anomaly detection system.
Description
Technical field
The present invention relates to train acquisition technology field, relate in particular to a kind of wheel rim tread image capturing system, the invention still further relates to a kind of train wheel abnormality detection system with above-mentioned wheel rim tread image capturing system.
Background technology
Railway transportation is large, quick with its transportation volume, the safe reliability advantages of higher, the position at traffic and transport field in occupation of outbalance.
Train, as the core of railway transportation, car body parts abnormal condition may occur, the safety traffic of this serious threat train in operational process.Wherein, the wheel of train runs directly on train rail, and because its working environment more badly and often there will be fault, and wheel rim and tread are the main body section of train wheel, especially Frequent Troubles.Therefore, most important for the safe operation that guarantees train to the wheel rim tread abnormality detection of train wheel.
Traditional mode adopts the artificial wheel rim tread to train wheel to be checked usually, usually at train arrival or in the maintenance process after completing operation milimeter number warehouse-in, by the macroscopic mode of service personnel, is undertaken.Because the train most of the time is kept in motion, if the wheel rim tread goes wrong, can not be detected in time yet, this causes abnormal false dismissal probability larger.In addition, in the process of manual detection, train is in shut down condition, and some position of the tread of wheel is in the state that other parts block bottom train, and the difficulty that this has increased manual detection, reduced the precision detected.
In order to solve the problems of the technologies described above, adopt now laser scanning method to be scanned the wheel rim tread of wheel, checked by the profile boundary parameter to wheel rim and tread, and then analyzed the abnormal of wheel rim tread.The mode that this kind detected the profile boundary parameter of wheel rim tread by laser is not directly perceived, causes the abnormality detection precision of wheel rim tread lower.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of wheel rim tread image capturing system, in the solution background technology, by laser, wheel rim tread profile is carried out to parameter detecting, cause the problem that accuracy of detection is lower.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
Wheel rim tread image capturing system, comprise wheel rim image capture device and tread image capture device, wherein: described wheel rim image capture device is a plurality of, and be distributed in the both sides of each rail of track, described wheel rim image capture device comprises the first light filling source and first camera, and the shooting direction of the projecting direction in described the first light filling source and the camera lens of described first camera is all vertical with described rail;
Described tread image capture device comprises the second light filling source and second camera, the quantity of described tread image capture device is a plurality of, be distributed in a side of each rail of described track, and the shooting direction of the projecting direction in described the second light filling source and described second camera all is acute angle or obtuse angle with described rail, from current of traffic, described tread image capture device to the distance between the described tread image capture device in the position, end in first place is the girth of single train wheel; Described wheel rim tread image capturing system also comprises:
Velocity package, for detection of the speed of train;
The first controller, calculate for the distance according between train speed and described velocity package and each tread image capture device the time of advent that train arrives each tread image capture device, and open according to the second light filling source of controlling corresponding described tread image capture device the time of advent and second camera.
Preferably, in above-mentioned wheel rim tread image capturing system, described the first light filling source and described first camera, described the second light filling source and described second camera are integrated formed structure.
Preferably, in above-mentioned wheel rim tread image capturing system, also comprise described the first light filling source and described first camera are installed to the first mount pad on the basic plane of described track, and described the second light filling source and described second camera are installed to the second mount pad on described basic plane.
Preferably, in above-mentioned wheel rim tread image capturing system, also comprise dust keeper, described dust keeper comprises:
The dust boot that holds described wheel rim image capture device or tread image capture device, the position that described dust boot is relative with the camera lens of described first camera or described second camera is provided with the cover door;
With described cover door, be connected, the actuating device opened and closed to control described cover door;
Be connected with described actuating device, and, according to the time of advent corresponding to each described tread image capture device, control the second controller that described actuating device drives described cover door to open.
Preferably, in above-mentioned wheel rim tread image capturing system, described tread image capture device is multipair, and is two groups successively along described track bearing of trend distribution, and two groups of described tread image capture devices are symmetrical perpendicular to the line of centers of described track.
Preferably, in above-mentioned wheel rim tread image capturing system, the shooting direction of the projecting direction in described the second light filling source and described second camera all is 30 °-60 ° or 120 °-150 ° with described rail.
Preferably, in above-mentioned wheel rim tread image capturing system, two described wheel rim image capture devices that are distributed in described rail both sides are symmetrical.
Preferably, in above-mentioned wheel rim tread image capturing system, also comprise camera frame per second control convenience, described camera frame per second control convenience comprises the 3rd controller, described the 3rd controller is connected with described velocity package, the difference of the train speed obtained according to detection and speed preset value is greater than setting value, controls first camera and adopts the acquisition frame rate corresponding with described train speed with second camera.
Wheel rim tread image capturing system provided by the invention comprises wheel rim image capture device and tread image capture device, wheel rim image capture device and tread image capture device carry out image acquisition to wheel rim and the tread of train wheel respectively, by the image that obtains as the basis to wheel rim tread anomaly analysis, with respect to the mode by laser, the profile boundary parameter of wheel rim tread detected in background technology, more directly perceived, can improve the precision to wheel rim tread abnormality detection.
Based on wheel rim tread image capturing system provided by the invention, the present invention also provides a kind of train wheel abnormality detection system, comprises image analysis system and the described wheel rim tread of the above-mentioned any one image capturing system be connected with image analysis system.
The beneficial effect of train wheel abnormality detection system provided by the invention brings by wheel rim tread image capturing system, and the description that specifically please refer to above-mentioned appropriate section gets final product, and this does not repeat.
The accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the application schematic diagram of the wheel rim tread image capturing system that provides of the embodiment of the present invention;
Fig. 2 is the structural representation of the dust keeper of the wheel rim tread image capturing system that provides of the embodiment of the present invention;
Fig. 3 is the schematic diagram of the camera frame per second control convenience of the wheel rim tread image capturing system that provides of the embodiment of the present invention;
Fig. 4 and Fig. 5 are two view that in the embodiment of the present invention, the tread image capture device gathers image.
The specific embodiment
The present invention real embodiment provide a kind of wheel rim tread image capturing system, solved by laser, wheel rim tread profile to be carried out to parameter detecting in the background technology and cause the problem that accuracy of detection is lower.
In order to make those skilled in the art person understand better the technical scheme in the embodiment of the present invention, and the above-mentioned purpose of the embodiment of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present invention is described in further detail.
Please refer to accompanying drawing 1, the wheel rim tread image capturing system that the embodiment of the present invention provides comprises wheel rim image capture device and tread image capture device 1.Wherein: the wheel rim image capture device carries out image acquisition to the wheel rim of train wheel, and the tread of 1 pair of train wheel of tread image capture device carries out image acquisition.
The wheel rim image capture device is a plurality of, and be distributed in the both sides of each rail (rail 2 and a rail 3) of track, the wheel rim image capture device of each rail (rail 2 and a rail 3) side gathers the wheel rim image corresponding with this side, and each rail (rail 2 and a rail 3) wheel rim image capture device of both sides can be realized the image acquisition of wheel both sides wheel rim.The wheel rim image capture device comprises the first light filling source 5 and first camera 6, the lens shooting direction of the projecting direction in the first light filling source 5 and first camera 6 is all vertical with a rail (rail 2 and a rail 3), the projecting direction in the first light filling source 5 herein refers to the straight line projecting direction that light is sent in the first light filling source 5, when the light of train through out-of-date the first light filling source 5 projects on the wheel rim of train, 6 pairs of wheel rims of first camera carry out image taking.
Tread image capture device 1 comprises the second light filling source and second camera, and the quantity of tread image capture device 1 is a plurality of, is distributed in a side of each rail of track (rail 2 and a rail 3).The shooting direction of the second light filling source and second camera all is acute angle or obtuse angle with a rail (rail 2 and a rail 3) corresponding thereto, at train, through out-of-date the second light filling source, can project light onto on the tread of train wheel, second camera is carried out image taking to tread.On current of traffic, in the first tread image capture device 1 to the distance between the tread image capture device 1 in end position, be the girth of single train wheel, the tread of whole wheel is all taken when guaranteeing all tread image capture device 1 of train wheel process.
Wheel rim image capturing system in the present embodiment also comprises test the speed magnetic steel component and the first controller, test the speed magnetic steel component for detection of train speed, the first controller is for according to train speed and the distance that tests the speed between magnet steel part and each tread image capture device 1, calculating the time of advent that train arrives each tread image capture device 1, and according to the second light filling source of controlling corresponding tread image capture device the time of advent and second camera unlatching.
The magnetic steel component that tests the speed described in the present embodiment is the magnetic equipment of a kind of tool, when train passes through the magnet steel of the magnetic steel component that tests the speed, due to cutting magnetic line, can produce electric signal, by hardware circuit, detect this electric signal and just can define a train wheel through magnet steel.The magnetic steel component that tests the speed generally has two magnet steel, and the spacing between these two magnet steel is known, the time according to train wheel through these two magnet steel, can calculate train speed.
The wheel rim tread image capturing system that the embodiment of the present invention provides comprises wheel rim image capture device and tread image capture device 1, wheel rim image capture device and tread image capture device 1 carry out image acquisition to wheel rim and the tread of train wheel respectively, by the image that obtains as the basis to wheel rim tread anomaly analysis, with respect in background technology by laser the mode for the profile border parameter detecting of wheel rim tread, more directly perceived, can improve the precision to wheel rim tread abnormality detection.
The velocity package 9 provided in the present embodiment is except adopting the above-mentioned magnetic steel component that tests the speed, can also adopt radar, radar is arranged on the track limit, it effectively detects distance and sets (distance that train can be detected), the distance of each tread image capture device of distance by radar is set, the distance that the first controller effectively detects distance and each tread image capture device of distance by radar according to train speed and the radar of detections of radar, the calculating train arrives the time of advent of each tread image capture device 1, and open according to the second light filling source of controlling corresponding tread image capture device 1 time of advent and second camera.
Concrete, in the process of the wheel rim tread image capturing system provided in the installation embodiment of the present invention, wheel rim image capture device and tread image capture device 1 can be arranged side by side, perhaps wheel rim image capture device and tread image capture device 1 are crisscross arranged, so long as can realize wheel rim and tread carries out the wheel rim image capture device of image acquisition and the arrangement of tread image capture device 1 can not be subject to the restriction of the present embodiment disclosure.Wheel rim image capture device and tread image capture device 1 in the embodiment of the present invention have the light filling source, can realize the collection to wheel rim and tread image although take above-mentioned set-up mode, but the first 5 second light filling sources, light filling source can influence each other, finally can affect the shooting of first camera 6 and second camera image, for head it off, in the wheel rim tread image capturing system that the embodiment of the present invention provides, a plurality of wheel rim image capture devices and a plurality of tread image capture device 1 distribute successively along the bearing of trend of track usually.As Fig. 1, a plurality of wheel rim image capture devices distribute in pairs, and every a pair of wheel rim image capture device is distributed in the both sides with this rail corresponding to the wheel rim image capture device (rail 2 and a rail 3).Certainly this also can be symmetrically distributed in the both sides of corresponding rail (rail 2 and a rail 3) to the wheel rim image capture device, when can realizing same train wheel two sides wheel rim image, this kind of mode obtain, directly be embodied as the coupling to image, without follow-up coupling, improve the efficiency of obtaining of image.For train wheel, under symmetrical prerequisite, tread image capture device 1 also can arrange in pairs, when can realize the wheel tread image to the same car section of train, obtains, and also can improve image acquisition efficiency.
In actual image acquisition procedures, because tread is the face of cylinder, can adopt camera that frame per second is higher to carry out figure obtains, improve filming frequency simultaneously and can realize obtaining of whole tread image, but this kind of mode for the tread image to obtain efficiency lower, for head it off, the tread image capture device 1 that the embodiment of the present invention provides is for multipair, and be two groups and distribute along the track bearing of trend successively, and two groups of described tread image capture devices 1 are symmetrical perpendicular to the line of centers O of track.This kind of mode adopts the second camera of a plurality of tread image capture devices 1 to realize the scanning to whole tread circumference, concrete second camera is along being equally spaced according to wheel circumference on the direction of track, and a plurality of second camera combinations realize the image taking to whole tread circumference.For example the quantity of second camera is 3, and each second camera catches the wheel tread that is greater than 120 ° so.We know, tread image capture device 1 is arranged on a side of a rail (rail 2 and a rail 3), between the shooting direction of second camera and a rail (rail 2 and prop up rail 3), can not be 0 ° or 180 °.In order to improve the image acquisition effect, the shooting direction of the projecting direction in above-mentioned the second light filling source and second camera all is the angle of 30 °-60 ° or 120 °-150 ° with a rail (rail 2 and a rail 3) corresponding thereto.Please refer to attached Figure 4 and 5, when the quantity that Fig. 4 and Fig. 5 show second camera is 4, to two states of tread image acquisition, in figure, No. 1 camera refers to the second camera that is positioned at the first tread image capture device 1.
The collection of image is subject to the impact of train speed, and in order to guarantee the continuity of image acquisition, the wheel rim tread image capturing system that the embodiment of the present invention provides also comprises camera frame per second control convenience.As shown in Figure 3, described camera frame per second control convenience comprises the 3rd controller 12, be arranged on the velocity package 9 on the basic plane 4 of track, for detection of train speed, the 3rd controller 12 is connected with velocity package 9, and the speed detected according to velocity package 9 is adjusted control to the acquisition frame rate of first camera 6 and second camera.Concrete, when detecting the train speed obtained, velocity package 9 is greater than setting value with the difference of speed preset value, and the 3rd controller 12 is controlled first cameras 6 and second camera adopts the acquisition frame rate corresponding with train speed, with assurance picture quality.
In the process of actual installation, for convenient, install, the wheel rim tread image capturing system that the embodiment of the present invention provides also comprises and the first light filling source 5 and first camera 6 is installed to the first mount pad 7 on the basic plane 4 of track and the second light filling source and second camera is installed to the second mount pad on the basic plane 4 of track.Certain the first light filling source 5 and first camera 6, the second light filling sources and second camera all can be arranged on mount pad separately independently of one another, also can be installed on mount pad separately by integration-in-one.Preferably, the first light filling source 5 in the present embodiment and first camera 6, the second light filling source and second camera are integrated formed structure, and this kind of structure can improve installation effectiveness.
In railway system's major part environment outdoor in field, natural environment is comparatively severe, and only has train through the out-of-date image acquisition of just carrying out, so the wheel rim tread image capturing system that the present embodiment provides not is to carry out constantly work, long term exposure can cause damage to equipment under natural environment, particularly the first light filling source 5, the second light filling source, first camera 6 and second camera is damaged more very.For head it off, the wheel rim tread image capturing system that the embodiment of the present invention provides also comprises dust keeper, please refer to accompanying drawing 2, described dust keeper comprises dust boot 8, actuating device 10 and second controller 11, wherein: dust boot 8 holds wheel rim image capture device or tread image capture device 1, the position that dust boot 8 is relative with the camera lens of first camera 6 or second camera is provided with the cover door, actuating device 10 is connected with the cover door, for controlling the cover door, open and close, second controller 11 all is connected with velocity package 9 with actuating device 10, and according to the time of advent corresponding to each described tread image capture device, accessory drive 10 drives the cover door to open.Concrete, above-mentioned actuating device can be hydraulic actuating cylinder, air cylinder etc.
In the wheel rim tread image capturing system that the embodiment of the present invention provides, the first controller, second controller 11 and the 3rd controller 12 can be PLC controller or computing machine.
The wheel rim tread image capturing system provided based on the embodiment of the present invention, the embodiment of the present invention also provides a kind of train wheel abnormality detection system, comprises image analysis system and the described wheel rim tread of any one image capturing system in the above-described embodiment be connected with image analysis system.
The beneficial effect of the train wheel abnormality detection system that the embodiment of the present invention provides brings by wheel rim tread image capturing system, and the concrete description that please refer to above-mentioned appropriate section gets final product, and this does not repeat.
It should be noted that, in this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, identical similar part is mutually referring to getting final product.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. wheel rim tread image capturing system, it is characterized in that, comprise wheel rim image capture device and tread image capture device (1), wherein: described wheel rim image capture device is a plurality of, and be distributed in the both sides of each rail (2,3) of track, described wheel rim image capture device comprises the first light filling source (5) and first camera (6), and the lens shooting direction of the projecting direction in described the first light filling source (5) and described first camera (6) is all vertical with described rail (2,3);
Described tread image capture device (1) comprises the second light filling source and second camera, the quantity of described tread image capture device (1) is a plurality of, be distributed in a side of each rail (2,3) of described track, and the shooting direction of the projecting direction in described the second light filling source and described second camera all is acute angle or obtuse angle with described rail (2,3), from current of traffic, described tread image capture device to the distance between the described tread image capture device in the position, end in first place is the girth of single train wheel; Described wheel rim tread image capturing system also comprises:
Velocity package (9), for detection of the speed of train;
The first controller, calculate for the distance according between train speed and described velocity package (9) and each tread image capture device (1) time of advent that train arrives each tread image capture device (1), and open according to the second light filling source of controlling corresponding described tread image capture device (1) time of advent and second camera.
2. wheel rim tread image capturing system according to claim 1, is characterized in that, described the first light filling source (5) and described first camera (6), described the second light filling source and described second camera are integrated formed structure.
3. wheel rim tread image capturing system according to claim 2, it is characterized in that, also comprise described the first light filling source (5) and described first camera (6) are installed to the first mount pad (7) on the basic plane (4) of described track, and described the second light filling source and described second camera are installed to the second mount pad on described basic plane (4).
4. wheel rim tread image capturing system according to claim 1, is characterized in that, also comprise dust keeper, described dust keeper comprises:
The dust boot (8) that holds described wheel rim image capture device or tread image capture device (1), the position that described dust boot (8) is relative with the camera lens of described first camera (6) or described second camera is provided with the cover door;
With described cover door, be connected, the actuating device (10) opened and closed to control described cover door;
Be connected with described actuating device (10), and, according to the time of advent corresponding to each described tread image capture device, control the second controller (11) that described actuating device (10) drives described cover door to open.
5. wheel rim tread image capturing system according to claim 1, it is characterized in that, described tread image capture device (1) is multipair, and be two groups and distribute along described track bearing of trend successively, and two groups of described tread image capture devices (1) are symmetrical perpendicular to the line of centers (O) of described track.
6. wheel rim tread image capturing system according to claim 5, is characterized in that, the shooting direction of the projecting direction in described the second light filling source and described second camera all is 30 °-60 ° or 120 °-150 ° with described rail (2,3).
7. wheel rim tread image capturing system according to claim 1, is characterized in that, two described wheel rim image capture devices that are distributed in described rail (2,3) both sides are symmetrical.
8. according to the described wheel rim tread of any one image capturing system in claim 1-7, it is characterized in that, also comprise camera frame per second control convenience, described camera frame per second control convenience comprises the 3rd controller (12), described the 3rd controller (12) is connected with described velocity package (9), the difference of the train speed obtained according to detection and speed preset value is greater than setting value, controls first camera (6) and adopts the acquisition frame rate corresponding with described train speed with second camera.
9. train wheel abnormality detection system, comprise image analysis system, it is characterized in that, also comprise the wheel rim tread image capturing system be connected with described image analysis system, described wheel rim tread image capturing system is the described wheel rim tread of any one image capturing system in the claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310455962.1A CN103481911B (en) | 2013-09-29 | 2013-09-29 | Wheel rim tread image capturing system and train wheel abnormality detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310455962.1A CN103481911B (en) | 2013-09-29 | 2013-09-29 | Wheel rim tread image capturing system and train wheel abnormality detection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103481911A true CN103481911A (en) | 2014-01-01 |
| CN103481911B CN103481911B (en) | 2016-04-13 |
Family
ID=49822624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310455962.1A Active CN103481911B (en) | 2013-09-29 | 2013-09-29 | Wheel rim tread image capturing system and train wheel abnormality detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103481911B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404791A (en) * | 2016-08-24 | 2017-02-15 | 北京主导时代科技有限公司 | Train, on-line wheel tread image detection device and flaw detection system |
| CN109060828A (en) * | 2018-08-23 | 2018-12-21 | 南京拓控信息科技股份有限公司 | A kind of locomotive wheel thread defect image detecting system |
| CN112781524A (en) * | 2021-01-25 | 2021-05-11 | 成都铁安科技有限责任公司 | Falling wheel type wheel detection system |
| CN112798604A (en) * | 2021-01-08 | 2021-05-14 | 成都主导科技有限责任公司 | Wheel tread defect detection system and detection method |
| CN114572273A (en) * | 2022-03-15 | 2022-06-03 | 南京拓控信息科技股份有限公司 | 3D image detection method for wheel set tread of railway vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1183451A (en) * | 1997-09-09 | 1999-03-26 | Sumitomo Metal Ind Ltd | Shape measuring device for tread of railroad wheel |
| CN100999219A (en) * | 2006-12-18 | 2007-07-18 | 杭州电子科技大学 | On-line detection method and device for thread defect of vehicle wheel set |
| CN201535753U (en) * | 2009-10-10 | 2010-07-28 | 郭三华 | Train rim crack detection system |
| CN201939314U (en) * | 2010-12-23 | 2011-08-24 | 南方医科大学南方医院 | Capsule endoscope capable of realizing automatic adjustment of shooting frame rate |
| CN102941860A (en) * | 2012-11-21 | 2013-02-27 | 成都主导科技有限责任公司 | Wheel tread defect recognition device based on image photographing mode |
-
2013
- 2013-09-29 CN CN201310455962.1A patent/CN103481911B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1183451A (en) * | 1997-09-09 | 1999-03-26 | Sumitomo Metal Ind Ltd | Shape measuring device for tread of railroad wheel |
| CN100999219A (en) * | 2006-12-18 | 2007-07-18 | 杭州电子科技大学 | On-line detection method and device for thread defect of vehicle wheel set |
| CN201535753U (en) * | 2009-10-10 | 2010-07-28 | 郭三华 | Train rim crack detection system |
| CN201939314U (en) * | 2010-12-23 | 2011-08-24 | 南方医科大学南方医院 | Capsule endoscope capable of realizing automatic adjustment of shooting frame rate |
| CN102941860A (en) * | 2012-11-21 | 2013-02-27 | 成都主导科技有限责任公司 | Wheel tread defect recognition device based on image photographing mode |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404791A (en) * | 2016-08-24 | 2017-02-15 | 北京主导时代科技有限公司 | Train, on-line wheel tread image detection device and flaw detection system |
| CN106404791B (en) * | 2016-08-24 | 2019-05-24 | 北京主导时代科技有限公司 | A kind of train, online wheel tread image detection device and fault detection system |
| CN109060828A (en) * | 2018-08-23 | 2018-12-21 | 南京拓控信息科技股份有限公司 | A kind of locomotive wheel thread defect image detecting system |
| CN112798604A (en) * | 2021-01-08 | 2021-05-14 | 成都主导科技有限责任公司 | Wheel tread defect detection system and detection method |
| CN112781524A (en) * | 2021-01-25 | 2021-05-11 | 成都铁安科技有限责任公司 | Falling wheel type wheel detection system |
| CN112781524B (en) * | 2021-01-25 | 2023-03-24 | 成都铁安科技有限责任公司 | Falling wheel type wheel detection system |
| CN114572273A (en) * | 2022-03-15 | 2022-06-03 | 南京拓控信息科技股份有限公司 | 3D image detection method for wheel set tread of railway vehicle |
| CN114572273B (en) * | 2022-03-15 | 2024-04-30 | 南京拓控信息科技股份有限公司 | Railway vehicle wheel set tread 3D image detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103481911B (en) | 2016-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103481911B (en) | Wheel rim tread image capturing system and train wheel abnormality detection system | |
| CN203713906U (en) | Tread image acquisition system and train wheel abnormality detection system | |
| CN108491758B (en) | Track detection method and robot | |
| CN103481910B (en) | Train Parts image capturing system and Train Parts abnormality detection system | |
| CN202793389U (en) | On-line routing inspection device for high-speed rail overhead line system | |
| CN202947884U (en) | Motor train unit operation fault dynamic image detection system | |
| CN104049281B (en) | Foreign matter automatic detection device and method between curve metro platform shield door and train | |
| CN204674616U (en) | A kind of dynamic detector for train wheel pair size | |
| CN101986143A (en) | Machine vision belt tear detection and protective device | |
| CN109598187A (en) | Obstacle recognition method, differentiating obstacle and railcar servomechanism | |
| CN202320392U (en) | Device for shooting train bottom image by single camera | |
| CN104142127B (en) | A kind of railway wheel diameter dynamic measurement device and method | |
| CN205175401U (en) | Electrified track traffic contact net intelligence image device | |
| CN110097591A (en) | The detection method of bow net state | |
| CN103303337A (en) | Railway fastener self-adaptive positioning method based on image sequence and high-speed detection system | |
| KR102265496B1 (en) | Tongue Rail Approach Detector | |
| CN204044383U (en) | Foreign matter automatic detection device between curve metro platform shield door and train | |
| CN103422417A (en) | Dynamic identification system and method for detecting road surface damages | |
| CN105564460B (en) | Bow recognition detection method and system surprisingly drop in pantograph | |
| TWI656260B (en) | Automatic track detection device | |
| CN108195843B (en) | Anchor section hanger state detection device and method | |
| WO2019093185A1 (en) | Track inspecting device | |
| CN205754595U (en) | A kind of tunnel high definition holographic imaging apparatus | |
| CN102183578A (en) | Wheel set fluorescent magnetic powder flaw detector | |
| MX2022009405A (en) | Systems and methods for identifying potential deficiencies in railway environment objects. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |