CN105966419A - Railway tunnel clearance inspection car - Google Patents
Railway tunnel clearance inspection car Download PDFInfo
- Publication number
- CN105966419A CN105966419A CN201610536772.6A CN201610536772A CN105966419A CN 105966419 A CN105966419 A CN 105966419A CN 201610536772 A CN201610536772 A CN 201610536772A CN 105966419 A CN105966419 A CN 105966419A
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- Prior art keywords
- laser
- car
- car body
- computer
- measurement
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/08—Measuring installations for surveying permanent way
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides a railway tunnel clearance inspection car which comprises an inspection car body, a laser system, a measurement system and a computer. The laser system and the measurement system are both installed in the inspection car body. The output end of the measurement system is connected with the input end of the computer. The output end of the computer is connected with the input end of the laser system. The laser system detects different positions on the same section of a tunnel wall at the same time, and it is ensured that the whole tunnel wall is covered; the illumination plane of lasers illuminating two steel rails and the main laser plane are adjusted into the same plane, and therefore the laser beams emitted by a laser device can cover the 360-degree clearance measurement range of a tunnel profile; two wheel axle boxes of a bogie at the front end of the inspection car body are each provided with a Hall sensor probe for speed measurement, and the car speed is measured and detected in real time; the laser system is controlled by the computer to emit laser signals in real time and process light band images, the railway tunnel clearance detection is automated, and detection efficiency is improved.
Description
Technical field
The present invention relates to Tunnel testing technical field, be specifically related to a kind of railway tunnel clearance car.
Background technology
The safety run on rail track in order to ensure rolling stock, prevents rolling stock from clashing into the building of adjacent lines and equipment, and to rolling stock with close to the building of circuit, the overall size line not allowing to surmount of equipment defined, referred to as gauge.In railway " skill rule ", it is made that clear stipulaties especially: all buildings, equipment, the most all must not invade the track clearance of railway.The accuracy that railroad clearance is measured is particularly significant, is directly connected to railway and expands safety and the growth of revenue from transportation of goods transport.Some section gauge dimensional measurement in the past is inaccurate, causes some to expand goods transport and must detour or refuse fortune, causes the waste of railway transport capacity and the loss of revenue from transportation.
Railroad clearance is used mostly the manual method such as " lifting rope ", " feeler lever ", " tape measure " such as and measures, and wastes time and energy, and certainty of measurement is low.Along with electrified railway lines develops rapidly, traditional measurement means cannot adapt to quick, accurate, safe railway tunnel gauge testing requirement.
Summary of the invention
It is an object of the invention to provide a kind of railway tunnel clearance car.
The technical scheme is that
A kind of railway tunnel clearance car, including:
Carrying laser system and the detection car car body of the system of measurement;
The laser system of laser light belt is formed in real time to Tunnel wall emission laser signal;
Shoot with video-corder the measurement system being radiated on Tunnel wall the laser light belt formed in real time;
Process the computer of laser light belt image;
Laser system, measurement system are installed in detection car car body, and the outfan measuring system connects the input of computer, and the outfan of computer connects the input of laser system.
Described railroad car body middle body arranges equipment clipping room, laser system and measurement system and is arranged on equipment clipping room central authorities by same measurement framework.
Described laser system includes multi-station laser, is separately mounted to detect car vehicle body and measures on framework and detection car car body beam lower end, and the laser beam that each laser instrument is launched covers the clearance survey scope of tunnel contour 360 °.
Described measurement system includes the multiple stage ccd video camera absorbing railway tunnel same section different piece respectively.
Alternatively, described laser system includes ten helium neon lasers, the fan-shaped bright finish that wherein six helium neon lasers send is irradiated on Tunnel wall by the vehicle window of detection car car body, and the fan-shaped bright finish that remaining four laser instrument sends is irradiated outside car by detection car car body top.
Alternatively, described measurement system includes nine ccd video cameras, and wherein eight ccd video cameras are separately mounted to detect the left and right sides around car car body, and remaining ccd video camera is arranged on detection car car body top.
Further, described a kind of railway tunnel clearance car, also include: measure the measuring mechanism of two one steel rail positions, this measuring mechanism includes that two helium neon lasers to two one steel rails transmitting laser signals formation laser light belts and Liang Tai shoot with video-corder the ccd video camera of the laser signal being radiated on two one steel rails formed laser light belt, the input of two helium neon lasers connects the outfan of computer respectively, and the outfan of two ccd video cameras connects the input of computer respectively.
Further, a set of Hall element tested the speed probe it is separately installed with on two wheel axle boxes of described detection car car body front end bogie, the outfan of Hall element probe connects the input of computer, axle ends is provided with for detecting speed and the aluminum dish of framing during vehicle wheel rotation, studding with 16 magnetic stripes on aluminum dish circumference, aluminum dish is fixed by bolts on axletree.
Beneficial effect:
1, laser system detects Tunnel wall same section diverse location simultaneously, it is ensured that cover full Tunnel wall;
2, the laser irradiated plane irradiating two one steel rails adjusts in the same plane with main laser plane, and the laser beam that such laser instrument is launched just can cover the clearance survey scope of tunnel contour 360 °;
3, in measurement system, a part for every ccd video camera picked-up tunnel cross-section, can be spliced into complete section;
4, it is separately installed with a set of Hall element tested the speed probe on two wheel axle boxes of detection car car body front end bogie, axle ends is provided with for detecting speed and the aluminum dish of framing during vehicle wheel rotation, measure detection speed, detection position and framing in real time;
5, control laser system real time emission laser signal by computer, process light belt image, it is achieved railway tunnel gauge detects automatization, improve detection efficiency.
Accompanying drawing explanation
Fig. 1 is the railway tunnel clearance car structural representation of the embodiment of the present invention 1;
Fig. 2 is the railway tunnel clearance car structural representation of the embodiment of the present invention 2;
Fig. 3 is the railway tunnel clearance car structural representation of the embodiment of the present invention 3.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is elaborated.
Embodiment
1
A kind of railway tunnel clearance car, as it is shown in figure 1, include:
Carrying laser system and the detection car car body of the system of measurement;Railway tunnel clearance car car body is to use YW22The transformation of Type B semi-cushioned berth sleeping car forms, and car body bogie is 209 types, and car Inner Front End changes workplace into, and rear end is lobby, kitchen and toilet.Detection car car body middle body arranges equipment clipping room, laser system and measurement system and is arranged on equipment clipping room central authorities by same measurement framework.Laser system controls equipment and laser system operation equipment is arranged in measurement framework two ends.The central authorities of detection car car body are welded into the Measurement architecture of rectangle with channel-section steel, and laser system is installed in the front end of Measurement architecture, and measurement system is installed in rear end.Laser system and measurement system are rigidly connected by Measurement architecture, keep fixing shooting object distance.
The laser system of laser light belt is formed in real time to Tunnel wall emission laser signal;
Shoot with video-corder the measurement system being radiated on Tunnel wall the laser light belt formed in real time;
Process the computer of laser light belt image;
Laser system, measurement system are installed in detection car car body, and the outfan measuring system connects the input of computer, and the outfan of computer connects the input of laser system.
Laser system includes multi-station laser, is separately mounted to detect car vehicle body and measures on framework and detection car car body beam lower end, and the laser beam that each laser instrument is launched covers the clearance survey scope of tunnel contour 360 °.
Measurement system includes the multiple stage ccd video camera absorbing railway tunnel same section different piece respectively.
Embodiment
2
A kind of railway tunnel clearance car, as in figure 2 it is shown, include:
Carrying laser system and the detection car car body of the system of measurement;Railway tunnel clearance car car body is to use YW22The transformation of Type B semi-cushioned berth sleeping car forms, and car body bogie is 209 types, and car Inner Front End changes workplace into, and rear end is lobby, kitchen and toilet.Detection car car body middle body arranges equipment clipping room, laser system and measurement system and is arranged on equipment clipping room central authorities by same measurement framework.Laser system controls equipment and laser system operation equipment is arranged in measurement framework two ends.The central authorities of detection car car body are welded into the Measurement architecture of rectangle with channel-section steel, and laser system is installed in the front end of Measurement architecture, and measurement system is installed in rear end.Laser system and measurement system are rigidly connected by Measurement architecture, keep fixing shooting object distance.
The laser system of laser light belt is formed in real time to Tunnel wall emission laser signal;
Shoot with video-corder the measurement system being radiated on Tunnel wall the laser light belt formed in real time;
Process the computer of laser light belt image;Computer controls laser system real time emission laser signal, processes light belt image and show.
Laser system, measurement system are installed in detection car car body, and the outfan measuring system connects the input of computer, and the outfan of computer connects the input of laser system.
The measurement system of the present embodiment includes nine ccd video cameras, and wherein eight ccd video cameras are separately mounted to detect the left and right sides around car car body, and remaining ccd video camera is arranged on detection car car body top.Left and right sides around detection car car body has four ear windows, has an ear window, be furnished with a ccd video camera in each ear window above detection car car body.Ear window protrude into detection car car body outer end, projection outermost edge be smaller in size than vehicle gauge.Being opened by ear window before Ce Lianging, ccd video camera camera lens exposes outside car, under lock unit control, shoots with video-corder laser illumination laser light belt on Tunnel wall continuously.
The laser system of the present embodiment includes measuring ten helium neon lasers that framework front end is installed, the fan-shaped bright finish that wherein six helium neon lasers of side send is irradiated on Tunnel wall by the vehicle window of detection car car body, need to be pulled open by vehicle window during measurement, fan-shaped bright finish that helium neon laser goes out is unscreened to be radiated on Tunnel wall.The fan-shaped bright finish that four helium neon lasers send is irradiated outside car by detection car car body top.The fan-shaped bright finish that four laser instrument at measurement framework top send is that two ferrum being had by detection car car body top draw window to irradiate outside car.Ferrum draws window to have steel slideway, can on an off flexibly.Each helium neon laser is radiated on Tunnel wall formation light belt with different angles.Ten helium neon lasers are additionally provided with mechanical fine adjustment mechanism, and helium neon laser is arranged on Measurement architecture by micro-adjusting mechanism.Micro-adjusting mechanism moves around can making helium neon laser, is used for adjusting laser irradiated plane and focal length.
Embodiment
3
As shown in Figure 3, on the railway tunnel clearance car of embodiment 2, also include the measuring mechanism measuring two one steel rail positions, this measuring mechanism includes that two helium neon lasers to two one steel rails transmitting laser signals formation laser light belts and Liang Tai shoot with video-corder the ccd video camera of the laser signal being radiated on two one steel rails formed laser light belt, the input of two helium neon lasers connects the outfan of computer respectively, and the outfan of two ccd video cameras connects the input of computer respectively.
The measurement of two rails is extremely important, and measurement system is with two rails center as zero, with two rails plane as axis of abscissas, so rail measurement is the benchmark of whole measurement system.
Two 8mw helium neon laser irradiated plane in measuring mechanism adjust at grade with measuring ten the helium neon laser irradiated plane installed framework front end, two helium neon lasers in measuring mechanism are each responsible for irradiating the rail end face of two rail and inner face, and two ccd video cameras shoot with video-corder the laser illumination bands of two rails respectively.The certainty of measurement of rail requires height, so measuring object distance to be chosen as 450mm.
A set of Hall element tested the speed probe it is separately installed with on two wheel axle boxes of detection car car body front end bogie, the outfan of Hall element probe connects the input of computer, axle ends is provided with for detecting speed and the aluminum dish of framing during vehicle wheel rotation, studding with 16 magnetic stripes on aluminum dish circumference, aluminum dish is fixed by bolts on axletree.
Claims (8)
1. a railway tunnel clearance car, it is characterised in that including:
Carrying laser system and the detection car car body of the system of measurement;
The laser system of laser light belt is formed in real time to Tunnel wall emission laser signal;
Shoot with video-corder the measurement system being radiated on Tunnel wall the laser light belt formed in real time;
Process the computer of laser light belt image;
Laser system, measurement system are installed in detection car car body, and the outfan measuring system connects the input of computer, and the outfan of computer connects the input of laser system.
A kind of railway tunnel clearance car the most according to claim 1, it is characterised in that described railroad car body middle body arranges equipment clipping room, laser system and measurement system and is arranged on equipment clipping room central authorities by same measurement framework.
A kind of railway tunnel clearance car the most according to claim 2, it is characterized in that, described laser system includes multi-station laser, being separately mounted to detect car vehicle body and measure on framework and detection car car body beam lower end, the laser beam that each laser instrument is launched covers the clearance survey scope of tunnel contour 360 °.
A kind of railway tunnel clearance car the most according to claim 1, it is characterised in that described measurement system includes the multiple stage ccd video camera absorbing railway tunnel same section different piece respectively.
5. according to a kind of railway tunnel clearance car described in claim 1 or 3, it is characterized in that, described laser system includes ten helium neon lasers, the fan-shaped bright finish that wherein six helium neon lasers send is irradiated on Tunnel wall by the vehicle window of detection car car body, and the fan-shaped bright finish that remaining four laser instrument sends is irradiated outside car by detection car car body top.
A kind of railway tunnel clearance car the most according to claim 1, it is characterized in that, described measurement system includes nine ccd video cameras, and wherein eight ccd video cameras are separately mounted to detect the left and right sides around car car body, and remaining ccd video camera is arranged on detection car car body top.
7. according to a kind of railway tunnel clearance car described in claim 1 or 4, it is characterized in that, also include: measure the measuring mechanism of two one steel rail positions, this measuring mechanism includes that two helium neon lasers to two one steel rails transmitting laser signals formation laser light belts and Liang Tai shoot with video-corder the ccd video camera of the laser signal being radiated on two one steel rails formed laser light belt, the input of two helium neon lasers connects the outfan of computer respectively, and the outfan of two ccd video cameras connects the input of computer respectively.
A kind of railway tunnel clearance car the most according to claim 1, it is characterized in that, a set of Hall element tested the speed probe it is separately installed with on two wheel axle boxes of described detection car car body front end bogie, the outfan of Hall element probe connects the input of computer, axle ends is provided with for detecting speed and the aluminum dish of framing during vehicle wheel rotation, studding with 16 magnetic stripes on aluminum dish circumference, aluminum dish is fixed by bolts on axletree.
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CN201610536772.6A CN105966419A (en) | 2016-07-08 | 2016-07-08 | Railway tunnel clearance inspection car |
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CN201610536772.6A CN105966419A (en) | 2016-07-08 | 2016-07-08 | Railway tunnel clearance inspection car |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107246848A (en) * | 2017-04-21 | 2017-10-13 | 江西省高速公路投资集团有限责任公司 | A kind of constructing tunnel fracture morphology rapid detection system and its detection method |
CN109696441A (en) * | 2019-02-18 | 2019-04-30 | 中国铁路沈阳局集团有限公司科学技术研究所 | A kind of railway tunnel lining surface state detection vehicle |
CN109724531A (en) * | 2018-10-18 | 2019-05-07 | 苏州光图智能科技有限公司 | 360 ° of contour measuring methods |
CN110926417A (en) * | 2019-12-03 | 2020-03-27 | 西北工业大学 | Vehicle-mounted railway tunnel detection system based on machine vision |
CN111585649A (en) * | 2020-05-12 | 2020-08-25 | 清华大学 | Ultra-high speed railway wireless optical communication method and device |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107246848A (en) * | 2017-04-21 | 2017-10-13 | 江西省高速公路投资集团有限责任公司 | A kind of constructing tunnel fracture morphology rapid detection system and its detection method |
CN109724531A (en) * | 2018-10-18 | 2019-05-07 | 苏州光图智能科技有限公司 | 360 ° of contour measuring methods |
CN109696441A (en) * | 2019-02-18 | 2019-04-30 | 中国铁路沈阳局集团有限公司科学技术研究所 | A kind of railway tunnel lining surface state detection vehicle |
CN110926417A (en) * | 2019-12-03 | 2020-03-27 | 西北工业大学 | Vehicle-mounted railway tunnel detection system based on machine vision |
CN110926417B (en) * | 2019-12-03 | 2021-12-14 | 西北工业大学 | Vehicle-mounted railway tunnel detection system based on machine vision |
CN111585649A (en) * | 2020-05-12 | 2020-08-25 | 清华大学 | Ultra-high speed railway wireless optical communication method and device |
CN111585649B (en) * | 2020-05-12 | 2021-05-04 | 清华大学 | Ultra-high speed railway wireless optical communication method and device |
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