CN110360962A - Method for rapidly identifying plane flatness - Google Patents
Method for rapidly identifying plane flatness Download PDFInfo
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- CN110360962A CN110360962A CN201910657320.7A CN201910657320A CN110360962A CN 110360962 A CN110360962 A CN 110360962A CN 201910657320 A CN201910657320 A CN 201910657320A CN 110360962 A CN110360962 A CN 110360962A
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- laser
- plane
- identification
- flatness
- planar smoothness
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000007547 defect Effects 0.000 claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 17
- 230000002950 deficient Effects 0.000 claims description 21
- 238000005259 measurement Methods 0.000 claims description 14
- 230000000994 depressogenic effect Effects 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 208000037805 labour Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to a method for rapidly identifying the flatness of a plane, wherein the plane comprises a flat part, a concave part and a convex part and comprises a laser generator, laser emitted by the laser generator is a laser plane, the laser plane irradiates on the plane at a certain angle with the plane, and identification lines are formed on the flat part, the concave part and the convex part. According to the principle that the laser oblique projection length is far larger than the height of the barrier, the flatness of the barrier is accurately and quickly identified according to the relation between the defect height and the reverse projection length, the purpose of judging whether the flatness of the plane is qualified or not in the construction process, quality acceptance and maintenance monitoring is achieved, the testing, acceptance and monitoring speed is increased, and the barrier height detection method has the advantages of being high in speed, high in efficiency, stable in performance, high in precision and low in cost.
Description
Technical field
The present invention relates to a kind of method of quickly identification planar smoothness, construction engineering quality detection is checked and accepted, monitoring
Technical field.
Background technique
Plane is building, the main forms of road.In Current Highway traffic, the quality of surface evenness quality is straight
Connect be related to vehicle driving safety, oil consumption, speed, mechanical wear, in terms of the case where, building wall flatness is more
It is the visual experience for being related to each user, it then becomes necessary to reinforce the attention and control to planar smoothness.End mesh
Before, flatness is all made of the control of 2m guiding ruler and measurement.
Simultaneously because the engineering scale of construction is huge, measurement work is heavy, and technical staff labours and toil with mind and body.For these years, flatness
Measurement is " one ruler amount on earth ", and there is presently no a reliable rapid testing technologies.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of methods of quickly identification planar smoothness, overcome existing skill
The great drawback of engineering is controlled and checked and accepted in art using guiding ruler.
The technical scheme to solve the above technical problems is that a kind of method of quickly identification planar smoothness, institute
Stating plane includes smooth position, depressed area, protruding parts, including laser generator, the laser of the laser generator transmitting
For laser plane, the laser plane with the angled irradiation of plane in the plane, at the smooth position, depressed area
And identification line is formed on protruding parts.
The beneficial effects of the present invention are: use laser generator emit laser for laser plane, the laser plane with
In the plane with the angled irradiation of plane, identification line, root are formed on the smooth position, depressed area and protruding parts
The principle of obstacle height is much larger than according to laser clinographic projection length, according to the relationship of flaw height and its backwards projection length,
It accurately quickly identifies its flatness size, reaches and judge in work progress, when inspection of quality, plane is smooth when maintenance monitors
Degree whether He Ge purpose, accelerate test, check and accept, monitoring velocity, have that test speed is fast, high-efficient, performance is stable, it is high-precision
Degree, low cost.
Based on the above technical solution, the present invention can also be improved as follows.
The method of quickly identification planar smoothness of the invention a kind of, further, the laser plane be horizontal direction or
Vertical direction setting.
The method that one kind of the invention quickly identifies planar smoothness, further, including calibration test equipment draws standard song
Line:
Step (1), it is α that laser plane, which is arranged, with the angle with test position, and laser plane is incident upon in test plane, is in
Existing identification line；
Step (2) is arranged central axis of the identification line with respect to recessed area defective bit and convex region defective bit, is surveyed using ruler
The vertical range for measuring recessed area defective bit or/and convex region defective bit distance center axis is laser measurement defect distance L；
Step (3) measures actual defects distance L ' using clearance gauge, repeats step (2) and (3)；
Uniformly be filled with from 0-10cm 10 logarithms (must wherein have a pair of quantitative number, i.e., at least have one group of actual defects away from
Corresponding with laser measurement defect distance L from L ', if actual defects distance L ' is 2mm, laser measurement defect distance L is determined as
2cm is so that it is convenient to accurately determine),
Step (4), it is abscissa that ruler, which reads L, with clearance gauge reading L ' for ordinate, draws standard curve.
A kind of method of quickly identification planar smoothness of the invention is further calculate by the following formula the flatness of fault location
X, flatness x=kL, wherein k=tg α=L '/L.
A kind of method of quickly identification planar smoothness of the invention, further, the measurement laser measurement defect distance L's
Ruler is accurate to 0.5mm.
A kind of method of quickly identification planar smoothness of the invention, further, it is relatively recessed that the identification line is arranged in step (2)
The central axis of area's defective bit and convex region defective bit, and use the central axis of guiding ruler alignment identification line.
A kind of method of quickly identification planar smoothness of the invention, further, including on-the-spot test, step (A), starting swash
Optical generator, the identification line shown in the plane to laser plane are stablized；
Step (B), starts to measure, observation identification wire shaped；It chooses abnormal fault location and measures opposite defect distance L, and root
According to standard curve conversion L ', flatness x is obtained.
A kind of method of quickly identification planar smoothness of the invention, further, on-the-spot test uses two laser generators
It is arranged symmetrically, identification line is provided respectively, the central axis of identification line is accurately positioned.
Beneficial effect using above-mentioned further scheme is: emitting two laser plane positioning using two laser generators
Fixation and recognition line out can accurately determine that position has the central axis of identification line of recessed area defective bit and convex region defective bit.
Detailed description of the invention
Fig. 1 puts down for the laser plane of laser transmitter projects in the present invention quickly method of identification planar smoothness with to be measured
The structural schematic diagram for the identification line that face is formed；
Fig. 2 is the theory structure schematic diagram for the method measurement that the present invention quickly identifies planar smoothness；
Fig. 3 is the drawbacks of the standard schematic diagram figure made in the quick method measurement process for identifying planar smoothness of the present invention；
In attached drawing, parts list represented by the reference numerals are as follows:
1, smooth position, 2, depressed area, 3, protruding parts, 4, plane, 11, laser generator, 12, laser, 13, identification
Line.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figure 1, according to embodiments of the present invention, the method for quickly identifying planar smoothness, plane 4 includes smooth position
1, depressed area 2, protruding parts 3, including laser generator 11, the laser that the laser generator 11 emits are laser plane
12, laser plane 12 with plane it is angled irradiation in the plane, in smooth position 1, depressed area 2 and protruding parts 3
Upper formation identification line 13.Specifically, laser plane can be arranged for horizontal direction or vertical direction.
As shown in Figures 2 and 3, the method for quickly identifying planar smoothness according to the present invention, including calibration test equipment are drawn
Standard curve processed: step (1), it is α that laser plane, which is arranged, with the angle with plane；α is greater than 0 degree less than 90 degree；It is preferred that 15-60
Degree.
Step (2) is arranged central axis of the identification line with respect to recessed area defective bit and convex region defective bit, is surveyed using ruler
The vertical range for measuring recessed area defective bit or/and convex region defective bit distance center axis is laser measurement defect distance L；The ruler is wanted
0.5mm can be accurate to by asking；
Central axis of the identification line with respect to recessed area defective bit and convex region defective bit is set in the step, it can be by making
The vertical range of recessed area defective bit distance center axis is measured with the central axis of guiding ruler alignment identification line, then ruler as Laser Measuring
Measure defect distance L.
Step (3) measures actual defects distance L ' using clearance gauge, repeats step (2) and (3)；
Step (4), it is abscissa that ruler, which reads L, with clearance gauge reading L ' for ordinate, draws standard curve.It is specific to survey
The flatness x of examination plane can be calculate by the following formula, flatness x=kL, wherein k=tg α=L '/L, and L is the position of laser projection
The vertical range between identification line central axes is set, L ' is practical flatness.
The method that the present invention quickly identifies planar smoothness carries out on-the-spot test, and step (A) starts laser generator, to
The identification line that laser plane is shown in plane to be measured is stablized；
Step (B), starts to measure, observation identification wire shaped；It chooses abnormal fault location and measures opposite defect distance L, and root
According to standard curve conversion L ', flatness x is obtained.
Specifically, when on-the-spot test of the present invention, two laser generators can be used and be arranged symmetrically, identification is provided respectively
The central axis of identification line is accurately positioned in line.Emit two laser planes using two laser generators as a result, and orients positioning
Identification line can accurately determine the central axis of position identification line.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of method of quickly identification planar smoothness, the plane includes smooth position, depressed area, protruding parts,
Be characterized in that, including laser generator, the laser of laser generator transmitting is laser plane, the laser plane with it is flat
The angled irradiation in face in the plane, forms identification line on the smooth position, depressed area and protruding parts.
2. a kind of method of quickly identification planar smoothness according to claim 1, which is characterized in that the laser plane is
Horizontal direction or vertical direction setting.
3. a kind of method of quickly identification planar smoothness according to claim 1, which is characterized in that set including calibration test
It is standby to draw standard curve:
Step (1), it is α that laser plane, which is arranged, with the angle with test position, and laser plane is incident upon in test plane, presents and knows
Other line；
Step (2) is arranged central axis of the identification line with respect to recessed area defective bit and convex region defective bit, is measured using ruler recessed
Area's defective bit or/and the vertical range of convex region defective bit distance center axis are laser measurement defect distance L；
Step (3) measures actual defects distance L ' using clearance gauge, repeats step (2) and (3)；
Step (4), it is abscissa that ruler, which reads L, with clearance gauge reading L ' for ordinate, draws standard curve.
4. a kind of method of quickly identification planar smoothness according to claim 3, which is characterized in that be calculate by the following formula scarce
Flatness x, the flatness x=kL at place are fallen into, wherein k=tg α=L '/L.
5. a kind of method of quickly identification planar smoothness according to claim 3, which is characterized in that the measurement Laser Measuring
The ruler for measuring defect distance L, is accurate to 0.5mm.
6. a kind of method of quickly identification planar smoothness according to claim 3, which is characterized in that institute is arranged in step (2)
Central axis of the identification line with respect to recessed area defective bit and convex region defective bit is stated, and is directed at the central axis of identification line using guiding ruler,
Further use clearance gauge measurement L '.
7. according to a kind of any one of claim 3 to 6 method of quickly identification planar smoothness, which is characterized in that including
On-the-spot test, step (A) start laser generator, and the identification line to show in the plane to laser plane is stablized；
Step (B), starts to measure, observation identification wire shaped；It chooses abnormal fault location and measures opposite defect distance L, and according to mark
Directrix curve conversion L ', obtains flatness x.
8. a kind of method of quickly identification planar smoothness according to claim 7, which is characterized in that on-the-spot test uses two
Platform laser generator is arranged symmetrically, and provides identification line respectively, and the central axis of identification line is accurately positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910657320.7A CN110360962B (en) | 2019-07-19 | 2019-07-19 | Method for rapidly identifying plane flatness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910657320.7A CN110360962B (en) | 2019-07-19 | 2019-07-19 | Method for rapidly identifying plane flatness |
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| CN110360962A true CN110360962A (en) | 2019-10-22 |
| CN110360962B CN110360962B (en) | 2021-07-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044003A (en) * | 2019-12-04 | 2020-04-21 | 常州三立精图光电有限公司 | Method for improving flatness of screen printing plate |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58115314A (en) * | 1981-12-28 | 1983-07-09 | Matsushita Electric Works Ltd | Measuring device of flatness |
| US4904877A (en) * | 1987-08-24 | 1990-02-27 | Erwin Sick Gmbh Optik-Elektronik | Optical scanning apparatus for detecting faults in transparent material wherein the plane of incident light is arranged at the breuster angle to the normal to the surface |
| CN1040265A (en) * | 1988-08-10 | 1990-03-07 | 北京科技大学 | The method and the measuring instrument of roughness surveyed in laser scanning |
| CN2938028Y (en) * | 2006-06-13 | 2007-08-22 | 武汉武大卓越科技有限责任公司 | Device for measuring road surface planeness |
| CN101033953A (en) * | 2007-02-02 | 2007-09-12 | 西安交通大学 | Measurement method of planeness based on image processing and pattern recognizing |
| CN101246000A (en) * | 2008-03-21 | 2008-08-20 | 哈尔滨工业大学 | Pavement planeness automatic detection device and detecting method |
| CN101576376A (en) * | 2008-12-24 | 2009-11-11 | 北京神网创新科技有限公司 | Method and system for laser detection of shape of charge level |
| CN101644023A (en) * | 2009-08-21 | 2010-02-10 | 赵怀志 | Detection method of road-surface evenness |
| CN106248005A (en) * | 2016-10-16 | 2016-12-21 | 欧阳平 | A kind of optical measurement flatness and the method for gradient |
-
2019
- 2019-07-19 CN CN201910657320.7A patent/CN110360962B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58115314A (en) * | 1981-12-28 | 1983-07-09 | Matsushita Electric Works Ltd | Measuring device of flatness |
| US4904877A (en) * | 1987-08-24 | 1990-02-27 | Erwin Sick Gmbh Optik-Elektronik | Optical scanning apparatus for detecting faults in transparent material wherein the plane of incident light is arranged at the breuster angle to the normal to the surface |
| CN1040265A (en) * | 1988-08-10 | 1990-03-07 | 北京科技大学 | The method and the measuring instrument of roughness surveyed in laser scanning |
| CN2938028Y (en) * | 2006-06-13 | 2007-08-22 | 武汉武大卓越科技有限责任公司 | Device for measuring road surface planeness |
| CN101033953A (en) * | 2007-02-02 | 2007-09-12 | 西安交通大学 | Measurement method of planeness based on image processing and pattern recognizing |
| CN101246000A (en) * | 2008-03-21 | 2008-08-20 | 哈尔滨工业大学 | Pavement planeness automatic detection device and detecting method |
| CN101576376A (en) * | 2008-12-24 | 2009-11-11 | 北京神网创新科技有限公司 | Method and system for laser detection of shape of charge level |
| CN101644023A (en) * | 2009-08-21 | 2010-02-10 | 赵怀志 | Detection method of road-surface evenness |
| CN106248005A (en) * | 2016-10-16 | 2016-12-21 | 欧阳平 | A kind of optical measurement flatness and the method for gradient |
Non-Patent Citations (3)
| Title |
|---|
| HUIZUO: "Double stage FPCB scanning micromirror for laser line generator", 《MECHATRONICS》 * |
| 徐文斌，武晓伟，包广华: "法兰密封面平面度测量工装的研制", 《安徽职业技术学院学报》 * |
| 杜炳千，许雄国，冀龙涛: "激光测量在汽缸中分面平面度检测中的应用", 《热力透平》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044003A (en) * | 2019-12-04 | 2020-04-21 | 常州三立精图光电有限公司 | Method for improving flatness of screen printing plate |
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