CN104452556A - Verification system for vehicle-mounted pavement primary crack acquisition system based on line structured light reference - Google Patents
Verification system for vehicle-mounted pavement primary crack acquisition system based on line structured light reference Download PDFInfo
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- CN104452556A CN104452556A CN201410728634.9A CN201410728634A CN104452556A CN 104452556 A CN104452556 A CN 104452556A CN 201410728634 A CN201410728634 A CN 201410728634A CN 104452556 A CN104452556 A CN 104452556A
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- vehicle
- structured light
- wedge piece
- acquisition system
- target plate
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a verification system for a vehicle-mounted pavement primary crack acquisition system based on line structured light reference, which aims at solving the problem that verification of the vehicle-mounted pavement primary crack acquisition system based on line structured light reference cannot be realized. The system comprises a height lifting adjusting platform (1), a target plate (2) and a wedge-shaped pad (3). According to the system provided by the design, the height and the angle can be respectively adjusted by virtue of the height lifting adjusting platform (1) and the wedge-shaped pad (3), and the vehicle-mounted pavement primary crack acquisition system based on line structured light reference is further verified.
Description
Technical field
The present invention relates to a kind of calibration equipment of checkout equipment of Vehicle Detection field, in particular, it relates to a kind of verification system of crackle acquisition system of coming into being based on line-structured light benchmark vehicle-mounted road surface.
Background technology
Highway pavement crack detection is one of important research content of traffic engineering subject, its Research Significance is the path formation detection scheme seeking to ensure that road surface supporting capacity is optimum, vehicle ride performance is best, road traffic accident is minimum, fuel consume is minimum, safeguarding in advance for highway provides sufficient advanced technology to ensure and theory support, reaches the object of road and people, vehicle harmony.
In the end of the year 2011, the speedway mileage that China is open to the traffic has reached 8.5 ten thousand kilometers.The economic development of quick growth to each department of total mileage of highway serves very important impetus, and the Long-Time Service of highway also brings unprecedented challenge to highway maintenance simultaneously.On the one hand, the magnitude of traffic flow increases sharply, the problem road pavement such as high capacity waggon overload destroys day by day serious; On the other hand, blocking up for a long time of highway can be caused in the construction of the medium-and-large-sized engineering machinery of maintenance of surface process, have a strong impact on road passage capability.Therefore, under the severe background that the end of the year 2012, China's motor vehicle car recoverable amount reached 2.4 hundred million, advanced technology theory is utilized to carry out periodic detection and quantitative assessment with detection method road pavement crackle, make it be in zone of reasonableness and actively carry out the early stage maintenance on road surface, to extend the application life of highway, the traffic capacity improving road, ensure automobile driving safety and the maintenance cost reducing highway has important theory significance and application prospect widely.
At present, mainly rest on manual measurement to the detection of road crackle, efficiency is low, low precision, and intensity of workers is large.Adopt machine vision acquires pavement image and then the method that realizes crack detection evaluation to solve above technical bottleneck, the come into being technological progress of verification system to Vehicle Detection field of crackle acquisition system of the vehicle-mounted road surface therefore studied based on line-structured light benchmark is significant.
Summary of the invention
The present invention is directed to and cannot realize at present coming into being the present situation that crackle acquisition system examines and determine to the vehicle-mounted road surface based on line-structured light benchmark, adopt the combination of lift in height adjustment platform, target plate and wedge piece provide a kind of cost compared with low, structure is simple, accuracy of detection is high, accumulated error is little, function is complete, easy and simple to handle, be easy to install, the come into being vehicle-mounted road surface based on line-structured light benchmark of crack detection system requirements of road surface is come into being the verification system of crackle acquisition system in the met small field of view scope of highly versatile, dependable performance.
Consult Fig. 1 to Fig. 2, for solving the problems of the technologies described above, the present invention adopts following technical scheme to be achieved.The come into being verification system of crackle acquisition system of vehicle-mounted road surface based on line-structured light benchmark provided by the present invention includes lift in height adjustment platform, target plate and wedge piece.
Wedge piece is placed on the upper surface of the horizontal operation table top of lift in height adjustment platform, and target plate is placed on the upper surface of wedge piece and contacts with the upper surface face of wedge piece, and the edge of target plate coordinates with the end edge linear contact lay of wedge piece.
Target plate described in technical scheme is the cuboid part of steel plate processing, target plate surface mount gridiron pattern pattern.
Wedge piece described in technical scheme is the wedge piece of steel plate processing, and wedge piece has magnetic.
The invention has the beneficial effects as follows:
(1) the present invention adopts the angle of inclination of the angle of wedge metering target plate of the wedge piece of the magnetic fixed angle of tool with the angle of simulated roadway, adopt the height of lift in height adjustment platform adjustment target with simulated range camera apart from the distance on ground, achieve and comprehensive calibrating of road surface crack image is measured to the crackle acquisition system of coming into being of the vehicle-mounted road surface based on line-structured light benchmark.
(2) major part of the present invention adopts standard steel section to process, and first, standard steel section output is large, and machining operation is few, and cost of production is lower; Secondly, as the important accessory of measuring apparatus, adopt standard steel section to have certain intensity, can be indeformable in Long-Time Service, ensure the precision measured, the requirement of national standard to certainty of measurement can be met.
Accompanying drawing explanation
Fig. 1 is the shaft side figure of verification system of crackle acquisition system of coming into being based on the vehicle-mounted road surface of line-structured light benchmark;
Fig. 2 is the axonometric drawing of wedge piece 3 of verification system of crackle acquisition system of coming into being based on the vehicle-mounted road surface of line-structured light benchmark;
In figure: 1. lift in height adjustment platform, 2. target plate, 3. wedge piece.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Consult Fig. 1 to Fig. 2, the come into being verification system of crackle acquisition system of the vehicle-mounted road surface based on line-structured light benchmark includes lift in height adjustment platform 1, target plate 2 and wedge piece 3.
The cuboid part that target plate 2 is processed for steel plate, target plate 2 surface mount gridiron pattern pattern.
The wedge piece that wedge piece 3 is processed for steel plate, wedge piece 3 is placed on the upper surface of the horizontal operation table top of SJG0.9 type lift in height adjustment platform 1, target plate 2 is placed on the upper surface of wedge piece 3 and contacts with the upper surface face of wedge piece 3, and the edge of target plate 2 coordinates with the end edge linear contact lay of wedge piece 3.
Wedge piece 3 has magnetic.
Vehicle-mounted road surface based on line-structured light benchmark is come into being the using method of verification system of crackle acquisition system: crackle acquisition system of being come into being by the vehicle-mounted road surface based on line-structured light benchmark is installed on the front beam of automobile, verification system is placed on immediately below the video camera of crackle acquisition system, wedge piece 3 is placed on the work top of lift in height adjustment platform 1, target plate 2 is placed on the upper surface of wedge piece 3, read and to come into being the road surface angle of crackle acquisition system and relative altitude based on the vehicle-mounted road surface of line-structured light benchmark, the height number adjusting platform 1 with the angle of wedge piece 3 and lift in height contrasts, the calibrating of crackle acquisition system that the vehicle-mounted road surface based on line-structured light benchmark come into being can be completed.
Claims (3)
1. the verification system of a crackle acquisition system of coming into being based on line-structured light benchmark vehicle-mounted road surface, it is characterized in that, the described vehicle-mounted road surface based on line-structured light benchmark is come into being, and the verification system of crackle acquisition system adjusts platform (1) by lift in height, target plate (2) and wedge piece (3) form;
Wedge piece (3) is placed on the upper surface of the horizontal operation table top of lift in height adjustment platform (1), target plate (2) is placed on the upper surface of wedge piece (3) and contacts with the upper surface face of wedge piece (3), and the edge of target plate (2) coordinates with the end edge linear contact lay of wedge piece (3).
2. according to the verification system of crackle acquisition system of coming into being based on line-structured light benchmark vehicle-mounted road surface according to claim 1, it is characterized in that, the cuboid part that described target plate (2) is processed for steel plate, target plate (2) surface mount gridiron pattern pattern.
3., according to the verification system of crackle acquisition system of coming into being based on line-structured light benchmark vehicle-mounted road surface according to claim 1, it is characterized in that, the wedge piece that described wedge piece (3) is processed for steel plate, wedge piece (3) has magnetic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410728634.9A CN104452556B (en) | 2014-12-02 | 2014-12-02 | Based on the verification system of the nascent crackle acquisition system of line-structured light benchmark vehicle-mounted road surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410728634.9A CN104452556B (en) | 2014-12-02 | 2014-12-02 | Based on the verification system of the nascent crackle acquisition system of line-structured light benchmark vehicle-mounted road surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104452556A true CN104452556A (en) | 2015-03-25 |
| CN104452556B CN104452556B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410728634.9A Expired - Fee Related CN104452556B (en) | 2014-12-02 | 2014-12-02 | Based on the verification system of the nascent crackle acquisition system of line-structured light benchmark vehicle-mounted road surface |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105420141A (en) * | 2015-09-17 | 2016-03-23 | 龙岩学院 | Haemophilus parasuis strain |
| CN105568832A (en) * | 2016-01-30 | 2016-05-11 | 吉林大学 | Telescopic shading device of vehicle-mounted pavement crack detecting system |
| CN105841934A (en) * | 2016-06-15 | 2016-08-10 | 吉林大学 | Vehicle-mounted pavement crack active vision detection system illumination influence test system |
| CN106223176A (en) * | 2016-09-07 | 2016-12-14 | 吉林大学 | Vehicle-mounted road surface flaw detection system light shielding device based on flexible cover plate |
| CN109443214A (en) * | 2018-12-19 | 2019-03-08 | 广东工业大学 | A kind of scaling method of structured light three-dimensional vision, device and measurement method, device |
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| EP0608141A1 (en) * | 1993-01-22 | 1994-07-27 | British Gas plc | Surface level checking apparatus |
| CN101476277A (en) * | 2009-02-06 | 2009-07-08 | 长安大学 | Symmetrical multi-beam collimation laser pavement track detection system |
| CN101476278A (en) * | 2009-02-06 | 2009-07-08 | 长安大学 | Symmetrical line laser pavement track detection system |
| US20130076871A1 (en) * | 2009-12-08 | 2013-03-28 | Radar Portal Systems Pty Ltd | High speed photometric stereo pavement scanner |
| CN204282176U (en) * | 2014-12-02 | 2015-04-22 | 吉林大学 | The verification system of crackle acquisition system of coming into being based on line-structured light benchmark vehicle-mounted road surface |
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2014
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0608141A1 (en) * | 1993-01-22 | 1994-07-27 | British Gas plc | Surface level checking apparatus |
| CN101476277A (en) * | 2009-02-06 | 2009-07-08 | 长安大学 | Symmetrical multi-beam collimation laser pavement track detection system |
| CN101476278A (en) * | 2009-02-06 | 2009-07-08 | 长安大学 | Symmetrical line laser pavement track detection system |
| US20130076871A1 (en) * | 2009-12-08 | 2013-03-28 | Radar Portal Systems Pty Ltd | High speed photometric stereo pavement scanner |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105420141A (en) * | 2015-09-17 | 2016-03-23 | 龙岩学院 | Haemophilus parasuis strain |
| CN105420141B (en) * | 2015-09-17 | 2019-05-14 | 龙岩学院 | A kind of preparation method of five bivalent inactivated vaccine of haemophilus parasuis bacterial strain |
| CN105568832A (en) * | 2016-01-30 | 2016-05-11 | 吉林大学 | Telescopic shading device of vehicle-mounted pavement crack detecting system |
| CN105568832B (en) * | 2016-01-30 | 2017-06-27 | 吉林大学 | The telescopic shade of vehicle-mounted road surface flaw detection system |
| CN105841934A (en) * | 2016-06-15 | 2016-08-10 | 吉林大学 | Vehicle-mounted pavement crack active vision detection system illumination influence test system |
| CN105841934B (en) * | 2016-06-15 | 2018-01-12 | 吉林大学 | The test system of vehicle-mounted road surface crackle Active visual inspection system illumination effect |
| CN106223176A (en) * | 2016-09-07 | 2016-12-14 | 吉林大学 | Vehicle-mounted road surface flaw detection system light shielding device based on flexible cover plate |
| CN109443214A (en) * | 2018-12-19 | 2019-03-08 | 广东工业大学 | A kind of scaling method of structured light three-dimensional vision, device and measurement method, device |
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| Publication number | Publication date |
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| CN104452556B (en) | 2016-06-08 |
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Granted publication date: 20160608 Termination date: 20161202 |