CN108253896A - A kind of car dimension measuring device based on laser sensor - Google Patents
A kind of car dimension measuring device based on laser sensor Download PDFInfo
- Publication number
- CN108253896A CN108253896A CN201810338427.0A CN201810338427A CN108253896A CN 108253896 A CN108253896 A CN 108253896A CN 201810338427 A CN201810338427 A CN 201810338427A CN 108253896 A CN108253896 A CN 108253896A
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- Prior art keywords
- stepping motor
- guide rail
- laser
- sensor
- gantry
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Classifications
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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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
-
- 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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
-
- 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
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention provides a kind of car dimension measuring device based on laser sensor, including：Gantry skeleton, horizontal guide rail, industrial personal computer, stepping motor, transmission device and laser range sensor, gantry skeleton is by two columns and a crossbeam is affixed forms, gantry skeleton column and crossbeam are equipped with transmission device, stepping motor, transmission device is equipped with laser range sensor, industrial personal computer control stepping motor drive transmission unit drives laser range sensor to be moved in gantry skeleton column and crossbeam, first level guide rail and the second horizontal guide rail are arranged in parallel on ground, gantry skeleton drives transmission device that horizontal guide rail gear is driven to be moved forward and backward by the stepping motor on first level guide rail and the second horizontal guide rail, the present invention is easy to operate, measurement data is accurate, it is influenced by external interference smaller, suitable for being widely popularized in laser ranging field.
Description
Technical field
The present invention relates to laser ranging field more particularly to a kind of car dimension measuring devices based on laser sensor.
Background technology
With the increase of China's car ownership, car owner carries out the repacking of violation in order to reach certain demand to vehicle, than
Such as lengthen car body, the repacking of car light empennage etc..According to standard GB/T 1589-2004《Road vehicle contour dimension, axle load and quality
Limit value》、GB7258-2004《Motor vehicle safe and technical specification》、GB21861-2008《Vehicle Security examines project
And method》Management requirement to motor vehicle, new car user need to carry out the detection of vehicle appearance and size in vehicle management, and
And motor vehicle must carry out compulsory test at motor vehicle detecting center at the appointed time every year, to ensure that vehicle is using process
The consistency of appearance and size when dispatching from the factory with new car.Existing vehicle equipment volume weight is larger, and measuring process is numerous
It is more, measurement accuracy is relatively low.With continue to optimize upgrading of the automobile industry to vehicle moulding, the contour dimension of different automobile types measures hardly possible
Degree also increased.Past manual measurement mode is gradually eliminated, and the intelligent detection equipment used at present exists certain
Limitation, precision, operability it is all barely satisfactory.
Invention content
According to the technical issues of set forth above, and offer one kind is easy to operate, measurement data is accurate, by external interference shadow
Ring the smaller car dimension measuring device based on laser sensor.The technological means that the present invention uses is as follows：
A kind of car dimension measuring device based on laser sensor, including：Gantry skeleton, horizontal guide rail, industrial personal computer, step
Into motor, transmission device and laser range sensor, gantry skeleton is by two columns and a crossbeam is affixed forms；
Gantry skeleton top cross-bar is equipped with second conveyer and the second stepping motor, and the industrial personal computer controls institute
The second stepping motor is stated, the second conveyer is equipped with second laser distance measuring sensor, second stepping motor
The second conveyer is driven to make second laser distance measuring sensor transverse shifting on gantry framework beam；
First level guide rail and the second horizontal guide rail are arranged in parallel on ground, and gantry skeleton bottom is walked equipped with third
Stepper motor, third transmission device and horizontal guide rail gear, the industrial personal computer control the third stepping motor, the third step
Make gantry skeleton by the horizontal guide rail gear in the first level into third transmission device described in motor drive
It is moved forward and backward on guide rail and second horizontal guide rail；
The industrial personal computer is surveyed by cable with second stepping motor, third stepping motor and second laser respectively
It connects and is controlled away from sensor.
Further, any column of gantry skeleton is equipped with second conveyer and the first stepping motor, the work
Control machine controls first stepping motor, and the second conveyer is equipped with first laser distance measuring sensor, and described first
Stepping motor drives the second conveyer that the first laser distance measuring sensor is made to be indulged in gantry skeleton column
To movement.
Further, the industrial personal computer by cable also respectively with the first stepping motor and first laser distance measuring sensor
It connects and is controlled.
Further, the height that the second conveyer is parallel to the ground and top is apart from ground is more than the height of tested vechicle
Degree.
Further, the second conveyer is perpendicular to the ground.
The present invention has the following advantages：
1st, the configuration of the present invention is simple, novel, failure rate is low.
2nd, the present invention is smaller by external light influence, and accuracy resolution is high, solves camera and takes pictures by environmental factor shadow
The problem of sound is larger, while camera measurement accuracy is inadequate, and error is larger.
3rd, install convenient of the present invention, it is easy to maintain, it is highly practical.
The present invention can be widely popularized in laser ranging field for the foregoing reasons.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is overall architecture schematic diagram of the present invention.
Fig. 2 is present invention driving gantry skeleton in the local structural graph being moved forward and backward into vehicle direction.
In figure：1st, the first stepping motor；2nd, second conveyer；3rd, first laser distance measuring sensor；4th, the second stepping
Motor；5th, second conveyer；6th, second laser distance measuring sensor；7th, industrial personal computer；8th, first level guide rail；9th, second is horizontal
Guide rail；10th, third stepping motor；11st, third transmission device；12nd, horizontal guide rail gear.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without making creative work shall fall within the protection scope of the present invention.
A kind of car dimension measuring device based on laser sensor, including：Gantry skeleton, horizontal guide rail, industrial personal computer 7,
Stepping motor, transmission device, laser range sensor, gantry skeleton is by two columns and a crossbeam is affixed forms,
As shown in Figure 1, any column of gantry skeleton is equipped with second conveyer 2, the first stepping motor 1, it is described
Second conveyer 2 is equipped with first laser distance measuring sensor 3, and the industrial personal computer 7 controls first stepping motor 1 to drive
The second conveyer 2 drives the first laser distance measuring sensor 3 to be vertically moved in the skeleton column of gantry；
Gantry skeleton top cross-bar is equipped with second conveyer 5, the second stepping motor 4, the second transmission dress
It puts 5 and is equipped with second laser distance measuring sensor 6, the industrial personal computer 7 controls second stepping motor 4 to drive described second to pass
Device 5 is sent to drive the second laser distance measuring sensor 6 transverse shifting on the framework beam of gantry；
As shown in Fig. 2, 8 and second horizontal guide rail 9 of first level guide rail is arranged in parallel on ground, gantry skeleton leads to
The third stepping motor 10 crossed on the first level guide rail 8 and second horizontal guide rail 9 drives third transmission device 11
Driving horizontal guide rail gear 12 is moved forward and backward,
Industrial personal computer 7 is electronic with first stepping motor 1, the second stepping motor 4, third stepping respectively by cable
Machine 10, first laser distance measuring sensor 3, second laser distance measuring sensor 6 are connected and are controlled.
The second conveyer 2 is perpendicular to the ground.
The height that the second conveyer 5 is parallel to the ground and top is apart from ground is more than the height of tested vechicle.
Measure the width of vehicle：It is detected vehicle and drives into set track along horizontal guide rail 8,9 directions, drive to about imperial
The centre position of door skeleton, comes to a complete stop.Industrial personal computer 7 controls the second stepping motor 4 driving second conveyer 5 to drive second laser
(left side) is mobile to the right on the skeleton of gantry for distance measuring sensor 6 (initial position is in most left/right), is scanned with certain transmission speed v
The width of vehicle, (lucky second laser ranging biography when second laser distance measuring sensor 6 detects h for the first time in moving process
Vehicle is arrived in the scanning of sensor 6) start timing t1, h can be changed during continuing to move to, when laser range sensor 6 detect away from
(vehicle is left in lucky sensor scanning) stops timing t during from for H2, the data of scanning are then issued into industrial personal computer and are calculated, it can be with
The width for obtaining vehicle is (t2—t1)*v。
Measure the length and height of vehicle：Second laser distance measuring sensor 6 is moved to centre by second conveyer 5
Position, and start second laser distance measuring sensor 6, start third stepping motor 10 at this time and drive third transmission device 11,
By drive gear 12, by gantry skeleton, (rear) is moved to the tail end (head end) of vehicle forward, when second laser distance measuring sensor 6
Detect that (vehicle is left in laser scanning) illustrates to reach the tail end (head end) of vehicle when scanning distance is H.Then pass through third
Stepping motor 10 controls third transmission device 11 that gantry skeleton is reversely (backward) mobile, when second laser distance measuring sensor 6
Start timing t when detecting scanning distance for h ' (being less than H) i.e. scannings to vehicle for the first time1', continue with certain speed V backward
It is mobile, when the variation of 6 scanning distance of laser range sensor is stops timing t when H (vehicle is left in the scanning of laser sensor 6)2',
Industrial personal computer 7 is transferred data to, the length that can calculate vehicle is (t2’—t1') * v, the height of tested vehicle is laser
The longest distance (the high H of gantry skeleton) that distance measuring sensor 6 scans and the difference of shortest distance h.
Measure the road clearance of vehicle：After tested vehicle comes to a complete stop, start the first stepping motor 1 driving second conveyer
2 drive first laser distance measuring sensors 3 are moved up with certain speed V from least significant end, when first laser distance measuring sensor 3 first
Start timing T when secondary scanning is to vehicle1, the distance of first laser distance measuring sensor 3 to vehicle is h ", in laser range sensor
During moving up, distance h " constantly changes, and is T when h " distances leave vehicle more than overall width, that is, scanning signal2, at this time may be used
To calculate the road clearance H " of vehicle as overall height and (T2—T1) * v difference.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical features into
Row equivalent replacement；And these modifications or replacement, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (5)
1. a kind of car dimension measuring device based on laser sensor, which is characterized in that including：Gantry skeleton, horizontal guide rail,
Industrial personal computer, stepping motor, transmission device and laser range sensor, gantry skeleton are consolidated by two columns and a crossbeam
It connects；
Gantry skeleton top cross-bar is equipped with second conveyer and the second stepping motor, industrial personal computer control described the
Two stepping motors, the second conveyer are equipped with second laser distance measuring sensor, the second stepping motor drive
The second conveyer makes second laser distance measuring sensor transverse shifting on gantry framework beam；
First level guide rail and the second horizontal guide rail are arranged in parallel on ground, and gantry skeleton bottom is equipped with third stepping electricity
Machine, third transmission device and horizontal guide rail gear, the industrial personal computer control the third stepping motor, the third stepping electricity
Motivation drives the third transmission device to make gantry skeleton by the horizontal guide rail gear in the first level guide rail
It is moved forward and backward on second horizontal guide rail；
The industrial personal computer is passed by cable with second stepping motor, third stepping motor and second laser ranging respectively
Sensor is connected and is controlled.
2. the car dimension measuring device according to claim 1 based on laser sensor, which is characterized in that described gantry
Any column of skeleton is equipped with second conveyer and the first stepping motor, and the industrial personal computer controls first stepping electronic
Machine, the second conveyer are equipped with first laser distance measuring sensor, and first passes described in the first stepping motor drive
Send device that the first laser distance measuring sensor is made to be vertically moved in gantry skeleton column.
3. the car dimension measuring device according to claim 1 based on laser sensor, which is characterized in that the industry control
Machine is also connect and is controlled with the first stepping motor and first laser distance measuring sensor respectively by cable.
4. the car dimension measuring device based on laser sensor according to claim 1, which is characterized in that described the
The height that two transmission devices are parallel to the ground and top is apart from ground is more than the height of tested vechicle.
5. the car dimension measuring device according to claim 2 based on laser sensor, which is characterized in that described first
Transmission device is perpendicular to the ground.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820307182 | 2018-03-06 | ||
| CN2018203071820 | 2018-03-06 |
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| Publication Number | Publication Date |
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| CN108253896A true CN108253896A (en) | 2018-07-06 |
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| CN201810338427.0A Pending CN108253896A (en) | 2018-03-06 | 2018-04-16 | A kind of car dimension measuring device based on laser sensor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932681A (en) * | 2021-10-18 | 2022-01-14 | 北京京东乾石科技有限公司 | Measuring device, method and device for detecting automatic guided vehicle and storage medium |
| CN113932716A (en) * | 2021-11-11 | 2022-01-14 | 四川九洲电器集团有限责任公司 | Large-scale motor coil detection device and detection method |
| CN114719792A (en) * | 2022-03-25 | 2022-07-08 | 北京城建设计发展集团股份有限公司 | Intelligent scanning and automatic error identification system and method for prefabricated part assembling surface |
| CN115265378A (en) * | 2022-09-23 | 2022-11-01 | 北京东方国信科技股份有限公司 | Detection system for three-dimensional size of carriage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113932681A (en) * | 2021-10-18 | 2022-01-14 | 北京京东乾石科技有限公司 | Measuring device, method and device for detecting automatic guided vehicle and storage medium |
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| CN115265378A (en) * | 2022-09-23 | 2022-11-01 | 北京东方国信科技股份有限公司 | Detection system for three-dimensional size of carriage |
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Application publication date: 20180706 |
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