CN108160717B - The measurement method and measuring device of Head ski -up degree when steel plate rolling - Google Patents
The measurement method and measuring device of Head ski -up degree when steel plate rolling Download PDFInfo
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- CN108160717B CN108160717B CN201711382803.8A CN201711382803A CN108160717B CN 108160717 B CN108160717 B CN 108160717B CN 201711382803 A CN201711382803 A CN 201711382803A CN 108160717 B CN108160717 B CN 108160717B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/04—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring thickness, width, diameter or other transverse dimensions of the product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B2038/004—Measuring scale thickness
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
Abstract
The present invention provides the measurement methods and measuring device of Head ski -up degree when a kind of steel plate rolling, the measurement method of Head ski -up degree includes: step A when the steel plate rolling: arranging two groups of independent calibrators in milling train outlet port, respectively the first calibrator and the second calibrator, the same position thickness of the steel plate in two groups of independent calibrator measurement milling train exits；When steel plate has warpage, steel plain and steel plate traffic direction form certain angle theta, the straight-line segment length h intersected with the line of first calibrator the first emission source of measurement and the first receiving end with steel plate1, the straight-line segment length h that is intersected with the line that second calibrator measures the second emission source and the second receiving end with steel plate2, the measure equation of the first calibrator and the second calibrator measure equation are subjected to two formula simultaneous solutions, obtain camber of sheet degree.The measuring device includes the first calibrator and the second calibrator.
Description
Technical field
The present invention relates to field of metallurgy, and in particular to head when steel rolling autocontrol method, especially a kind of steel plate rolling
The measurement method and measuring device of angularity.
Background technique
Cut deal is to be moved to subsequent handling Shi Buyu transmission roller channel hair after the completion of guaranteeing steel plate rolling during the rolling process
Raw collision generally adjusts height of rolling line by the speed difference of control milling train top and bottom rolls or by hydraulic cylinder to change steel plate head
Portion's shape upwarps its head slightly, forms sled shape.Since milling train ambient enviroment is severe, using the methods of image recognition
It is difficult to reliably identify Head ski -up degree, traditional method is all to observe monitoring camera-shooting picture by operator to judge steel plate
Head shape, and then speed or height of rolling line is instructed to adjust.The variation of external condition in production process, such as changing for rolling procedure
Change, the uniformity of steel plate upper and lower surface temperature, top and bottom rolls the different of coefficient of friction all can be to the angularity on the head of steel plate
It has an impact, the work difficulty being adjusted by artificial judgment can greatly increase, it is also difficult to obtain good effect.Therefore,
A kind of Head ski -up degree after obtaining steel plate rolling by reliable measurement method has raising production efficiency extremely important
Effect.
Also there is by the way of image recognition the Head ski -up degree for obtaining steel plate at present, but this detection mode is for inspection
Surveying environment has strict requirements.Due to the working environment very severe around milling train, metallic dust is more, and steam is big, direct shadow
The Stability and veracity of image recognition is rung, therefore is difficult to obtain expected effect in practical application, is not suitable for practical life
Produce environment.
In conclusion following problems exist in the prior art: the Head ski -up degree during steel plate rolling is difficult to obtain good
Good measurement effect.
Summary of the invention
The measurement method and measuring device of Head ski -up degree when the present invention provides a kind of steel plate rolling, to solve steel plate rolling
Head ski -up degree in the process is difficult to the problem of obtaining good measurement effect.
For this purpose, the present invention proposes a kind of measurement method of Head ski -up degree when steel plate rolling, the head when steel plate rolling
The measurement method of angularity includes:
Step A: two groups of independent calibrators, respectively the first calibrator and the second thickness measuring are arranged in milling train outlet port
Instrument, the same position thickness of the steel plate in two groups of independent calibrator measurement milling train exits；
First calibrator includes: the first receiving end of the first emission source and the corresponding first emission source setting；
Second calibrator includes: the second receiving end of the second emission source and the corresponding second emission source setting；
First emission source and the line of the first receiving end are vertical with mill table plane；
Second emission source and the line of the second receiving end and the vertical line of mill table plane are formed along steel plate operation side
Certain angle [alpha] is presented upwards, unit is degree, and α is greater than 0 and α less than 90 degree；
When steel plate has warpage, steel plain and steel plate traffic direction form certain angle theta, and unit is degree, steel plate
Actual (real) thickness h, unit mm；
Step B: intersected with the line of first calibrator the first emission source of measurement and the first receiving end with steel plate straight
Line line segment length h1, unit mm, h1The straight-line segment intersected for the first emission source and the line of the first receiving end with steel plate is long
Degree；
Step C: intersected with the line of second calibrator the second emission source of measurement and the second receiving end with steel plate straight
Line line segment length h2, unit mm；h2The straight-line segment intersected for the second emission source and the line of the second receiving end with steel plate is long
Degree；
Step D: the first calibrator measure equation isThe second calibrator measure equation is
The measure equation of first calibrator and the second calibrator measure equation are subjected to two formula simultaneous solutions；
It obtainsθ is camber of sheet degree, and unit is degree.
Further, the steel plate is the cut deal that thickness is 6mm or more.
Further, first calibrator and/or the second calibrator use X-ray form.
Further, first calibrator and/or the second calibrator use gamma-rays form.
Further, first emission source and the line of the first receiving end, second emission source and the second receiving end
Line and steel plate where plane intersect at a point.
Further, when the steel plate rolling Head ski -up degree measurement method further include: when steel plate is without warpage, steel plate
Actual (real) thickness be h, unit mm；The first calibrator measurement result is h1=h, the second calibrator measurement result are
Further, α is between 5~20 degree.
Further, first calibrator and the second calibrator are located in the same vertical plane.
The present invention also proposes that a kind of measuring device, the measuring device include:
In milling train outlet port two groups of independent calibrators of arrangement, respectively the first calibrator and the second calibrator, two groups
The same position thickness of the steel plate in independent calibrator measurement milling train exit；
First calibrator includes: the first receiving end of the first emission source and the corresponding first emission source setting；
Second calibrator includes: the second receiving end of the second emission source and the corresponding second emission source setting；
First emission source and the line of the first receiving end are vertical with mill table plane；
Second emission source and the line of the second receiving end and the vertical line of mill table plane are formed along steel plate operation side
Certain angle [alpha] is presented upwards, unit is degree, and α is greater than 0 and α less than 90 degree.
The present invention arranges two groups of independent calibrators, respectively the first calibrator and the second thickness measuring in milling train outlet port
Instrument, the same position thickness of the steel plate in two groups of independent calibrator measurement milling train exits；Pass through number according to two groups of measurement results
The angularity and steel plate thickness of steel plate head can be obtained by learning model, measure the first emission source and first with first calibrator
The straight-line segment length h that the line of receiving end intersects with steel plate1, unit mm, h1For the company of the first emission source and the first receiving end
The straight-line segment length that line intersects with steel plate；With second calibrator measure the line of the second emission source and the second receiving end with
The straight-line segment length h of steel plate intersection2, unit mm；h2Intersect for the second emission source and the line of the second receiving end with steel plate
Straight-line segment length；The first calibrator measure equation isThe second calibrator measure equation isThe measure equation of first calibrator and the second calibrator measure equation are subjected to two formula simultaneous solutions；
It obtainsθ is camber of sheet degree, and unit is degree.
The present invention solves the problems, such as that steel plate nose and discount can not be accurately calculated and be measured, and steel plate there are nose and
The measurement that actual (real) thickness may be implemented when discount is conducive to the raising of the stability and control precision of production.
The present invention uses radionetric survey thickness, not more by the metallic dust of the working environment around milling train, the big shadow of steam
It rings, not necessarily forms image, there is Stability and veracity, and at low cost.
Detailed description of the invention
Fig. 1 is the measuring state schematic diagram of measurement method of the invention when plate is without warpage；
Fig. 2 is the measuring state schematic diagram of measurement method of the invention in slab warping；
Fig. 3 is the measuring principle schematic diagram of measurement method of the invention in slab warping.
Drawing reference numeral explanation:
11, the first emission source；13, the first receiving end；21 second emission sources；23 second receiving ends；3, steel plate.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, this hair of Detailed description of the invention is now compareed
It is bright.
As depicted in figs. 1 and 2, the measurement method of Head ski -up degree when the present invention provides a kind of steel plate rolling, the steel plate
The measurement method of Head ski -up degree includes: when rolling
Step A: in milling train outlet port, such as on the bracket in exit or rack, arranging two groups of independent calibrators,
Respectively the first calibrator and the second calibrator, the same position of the steel plate 3 in two groups of independent calibrator measurement milling train exits
Thickness；
First calibrator includes: the first receiving end of the first emission source 11 and the corresponding first emission source setting
13；
Second calibrator includes: the second receiving end of the second emission source 21 and the corresponding second emission source setting
23；
Each emission source can emit signal, and each receiving end can receive the signal that corresponding emission source issues；Calibrator
Measuring technique can use existing ray through-transmission technique, such as: emission source can be according to sending ray be required, and ray passes through steel
Decaying can be generated when plate, decayed related with factors such as the thickness of steel plate, ingredient, temperature, passed through the transmitted intensity for measuring receiving end
The thickness of steel plate can be calculated.But when steel plate head has nose (head is upturned) or discount (head downsagging), X
Ray (or gamma-rays) is no longer to pass through steel plate in vertical manner, but have certain angle with the straight line perpendicular to surface of steel plate
Degree, measured numerical value is no longer actual steel plate thickness.Change the angle of X-ray (or gamma-rays) relative to steel plate, measurement
As a result it can also change, so the present invention does not use single-measurement mode, but measurement in a closed series be used, by according to two groups of measurement numbers
Camber of sheet degree and steel plate thickness can be obtained according to by mathematical model.
It can be ray that emission source, which can emit signal, and penetration power is strong；
First emission source and the line of the first receiving end are vertical with mill table plane；It is logical in straight steel plate in this way
When crossing calibrator, accurate thickness measure may be implemented；
As shown in Fig. 2, the vertical line shape of second emission source 21 and the line of the second receiving end 23 and mill table plane
At certain angle [alpha] is presented along 3 traffic direction of steel plate, unit is degree, and α is greater than 0；
When steel plate 3 has warpage, steel plain and steel plate traffic direction form certain angle theta, and unit is degree, steel plate
Actual (real) thickness h, unit mm；
Step B: intersected with the line of first calibrator the first emission source of measurement and the first receiving end with steel plate straight
Line line segment length h1, unit mm, h1The straight-line segment intersected for the first emission source and the line of the first receiving end with steel plate is long
Degree；
Step C: intersected with the line of second calibrator the second emission source of measurement and the second receiving end with steel plate straight
Line line segment length h2, unit mm；h2The straight-line segment intersected for the second emission source and the line of the second receiving end with steel plate is long
Degree；
Step D: the first calibrator measure equation isThe second calibrator measure equation is
As shown in figure 3, actual (real) thickness h, OB that OA is steel plate are the result of the first calibrator measurementOC is
The result of second calibrator measurement measurement
The measure equation of first calibrator and the second calibrator measure equation are subjected to two formula simultaneous solutions；
It obtainsθ is camber of sheet degree, and unit is degree.Meanwhile it can be counted by above formula
Calculate the actual (real) thickness h=h of steel plate1cosθ。
Further, the steel plate is the cut deal that thickness is 6mm or more.In this way, solve cut deal steel plate nose and
The problem of discount can not be accurately calculated and be measured.
Further, first calibrator and/or the second calibrator use X-ray form.In this way, penetration power
By force, measurement effect is good.
Further, first calibrator and/or the second calibrator use gamma-rays form.In this way, penetration power
By force, measurement effect is good.
Further, first emission source and the line of the first receiving end, second emission source and the second receiving end
Line and steel plate where plane intersect at a point.In this way, two groups of calibrators all measure same point, the precision of measurement is higher.
Further, when the steel plate rolling Head ski -up degree measurement method further include: when steel plate is without warpage, steel plate
Actual (real) thickness be h, unit mm；The first calibrator measurement result is h1=h, the second calibrator measurement result areAt this point, with two measuring instruments measure any result be all steel plate without warpage when, the actual (real) thickness h of steel plate,
Therefore, even if one of measuring instrument is faulty, it is also ensured that the accuracy of measurement.
Further, α is between 5~20 degree, and for example, 15 degree.In this way, the data of measurement are more suitable for calculating, more there is representative
Property.
Further, first calibrator and the second calibrator are located in the same vertical plane, i.e. the first calibrator and
Second calibrator is located in vertical mill table plane.In this way, being conducive to the accuracy of measurement.
The present invention also proposes a kind of measuring device, in milling train outlet port, such as on the bracket in exit or rack, cloth
Set two groups of independent calibrators, respectively the first calibrator and the second calibrator, two groups of independent calibrator measurement milling train outlets
The same position thickness of the steel plate 3 at place；
First calibrator includes: the first receiving end of the first emission source 11 and the corresponding first emission source setting
13；
Second calibrator includes: the second receiving end of the second emission source 21 and the corresponding second emission source setting
23；
Each emission source can emit signal, and each receiving end can receive the signal that corresponding emission source issues；Calibrator
Measuring technique can use existing ray through-transmission technique, such as: emission source can be according to sending ray be required, and ray passes through steel
Decaying can be generated when plate, decayed related with factors such as the thickness of steel plate, ingredient, temperature, passed through the transmitted intensity for measuring receiving end
The thickness of steel plate can be calculated.But when steel plate head has nose (head is upturned) or discount (head downsagging), X
Ray (or gamma-rays) is no longer to pass through steel plate in vertical manner, but have certain angle with the straight line perpendicular to surface of steel plate
Degree, measured numerical value is no longer actual steel plate thickness.Change the angle of X-ray (or gamma-rays) relative to steel plate, measurement
As a result it can also change, so the present invention does not use single-measurement mode, but measurement in a closed series be used, by according to two groups of measurement numbers
Camber of sheet degree and steel plate thickness can be obtained according to by mathematical model.
First emission source and the line of the first receiving end are vertical with mill table plane；It is logical in straight steel plate in this way
When crossing calibrator, accurate thickness measure may be implemented；
As shown in Fig. 2, the vertical line shape of second emission source 21 and the line of the second receiving end 23 and mill table plane
At certain angle [alpha] is presented along 3 traffic direction of steel plate, unit is degree, and α is greater than 0；It can be measured by the measurement method of front
Head ski -up degree when steel plate rolling.
The present invention can calculate steel plate using functional relation by carrying out the measurement of both direction simultaneously in thickness measure point
The angularity on head, and then operator can be instructed to carry out parameter adjustment, obtain desired angularity.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.For this
Each component part of invention can be combined with each other under conditions of not conflicting, any those skilled in the art, not depart from this
Made equivalent changes and modifications, should belong to the scope of protection of the invention under the premise of the conceptions and principles of invention.
Claims (10)
1. the measurement method of Head ski -up degree when a kind of steel plate rolling, which is characterized in that Head ski -up degree when the steel plate rolling
Measurement method include:
Step A: in milling train outlet port two groups of independent calibrators of arrangement, respectively the first calibrator and the second calibrator, two
The same position thickness of the steel plate in group independent calibrator measurement milling train exit；
First calibrator includes: the first receiving end of the first emission source and the corresponding first emission source setting；
Second calibrator includes: the second receiving end of the second emission source and the corresponding second emission source setting；
First emission source and the line of the first receiving end are vertical with mill table plane；
Second emission source and the line of the second receiving end and the vertical line of mill table plane are formed along steel plate traffic direction
Certain angle [alpha] is presented, unit is degree, and α is greater than 0 and α less than 90 degree；
When steel plate has warpage, steel plain and steel plate traffic direction form certain angle theta, and unit is degree, the reality of steel plate
Thickness h, unit mm；
Step B: the straight line line intersected with the line of first calibrator the first emission source of measurement and the first receiving end with steel plate
Segment length h1, unit mm, h1The straight-line segment length intersected for the first emission source and the line of the first receiving end with steel plate；
Step C: the straight line line intersected with the line of second calibrator the second emission source of measurement and the second receiving end with steel plate
Segment length h2, unit mm；h2The straight-line segment length intersected for the second emission source and the line of the second receiving end with steel plate；
Step D: the first calibrator measure equation isThe second calibrator measure equation is
The measure equation of first calibrator and the second calibrator measure equation are subjected to two formula simultaneous solutions；
It obtainsθ is camber of sheet degree, and unit is degree.
2. the measurement method of Head ski -up degree when steel plate rolling as described in claim 1, which is characterized in that the steel plate is thickness
Degree is the cut deal of 6mm or more.
3. the measurement method of Head ski -up degree when steel plate rolling as described in claim 1, which is characterized in that first thickness measuring
Instrument and/or the second calibrator use X-ray form.
4. the measurement method of Head ski -up degree when steel plate rolling as described in claim 1, which is characterized in that first thickness measuring
Instrument and/or the second calibrator use gamma-rays form.
5. the measurement method of Head ski -up degree when steel plate rolling as described in claim 1, which is characterized in that first transmitting
Plane where the line and steel plate of the line of source and the first receiving end, second emission source and the second receiving end intersects at one
Point.
6. the measurement method of Head ski -up degree when steel plate rolling as described in claim 1, which is characterized in that the steel plate rolling
When Head ski -up degree measurement method further include: when steel plate is without warpage, the actual (real) thickness of steel plate is h, unit mm；Described
One calibrator measurement result is h1=h, the second calibrator measurement result are
7. the measurement method of Head ski -up degree when steel plate rolling as described in claim 1, which is characterized in that α 5~20 degree it
Between.
8. the measurement method of Head ski -up degree when steel plate rolling as described in claim 1, which is characterized in that first thickness measuring
Instrument and the second calibrator are located in the same vertical plane.
9. it is a kind of for steel plate rolling described in claim 1 when Head ski -up degree measurement method measuring device, feature
It is, the measuring device includes:
Two groups of independent calibrators, respectively the first calibrator and the second calibrator are arranged in milling train outlet port, and two groups independent
Calibrator measurement milling train exit steel plate same position thickness；
First calibrator includes: the first receiving end of the first emission source and the corresponding first emission source setting；
Second calibrator includes: the second receiving end of the second emission source and the corresponding second emission source setting；
First emission source and the line of the first receiving end are vertical with mill table plane；
Second emission source and the line of the second receiving end and the vertical line of mill table plane are formed along steel plate traffic direction
Certain angle [alpha] is presented, unit is degree, and α is greater than 0 and α less than 90 degree.
10. measuring device as claimed in claim 9, which is characterized in that first calibrator and the second calibrator are located at together
In one perpendicular, α is between 5~20 degree.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382803.8A CN108160717B (en) | 2017-12-20 | 2017-12-20 | The measurement method and measuring device of Head ski -up degree when steel plate rolling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382803.8A CN108160717B (en) | 2017-12-20 | 2017-12-20 | The measurement method and measuring device of Head ski -up degree when steel plate rolling |
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| Publication Number | Publication Date |
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| CN108160717B true CN108160717B (en) | 2019-07-12 |
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ID=62522813
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| FR2217087A1 (en) * | 1973-02-07 | 1974-09-06 | Kloeckner Werke Ag | Rolling mill control for curved sections - by curvature sensors for rolled stock controlling screwdown motion |
| JPH10137829A (en) * | 1996-11-01 | 1998-05-26 | Kawasaki Steel Corp | Camber generation preventing method in rough rolling of continuous hot rolling and estimating device for camber generating factor |
| JP2006007235A (en) * | 2004-06-23 | 2006-01-12 | Toshiba Corp | System for controlling sheet camber and device for detecting sheet camber |
| CN103148801A (en) * | 2013-01-30 | 2013-06-12 | 青岛云路新能源科技有限公司 | Method and device for measuring plate cut of belt material on line |
| CN104903017A (en) * | 2012-12-25 | 2015-09-09 | 东芝三菱电机产业系统株式会社 | Plate camber detection device, descaling control device, and pass schedule calculation device |
| CN106247967A (en) * | 2016-08-18 | 2016-12-21 | 京东方科技集团股份有限公司 | The measurement apparatus of a kind of substrate warp amount and method |
-
2017
- 2017-12-20 CN CN201711382803.8A patent/CN108160717B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2217087A1 (en) * | 1973-02-07 | 1974-09-06 | Kloeckner Werke Ag | Rolling mill control for curved sections - by curvature sensors for rolled stock controlling screwdown motion |
| JPH10137829A (en) * | 1996-11-01 | 1998-05-26 | Kawasaki Steel Corp | Camber generation preventing method in rough rolling of continuous hot rolling and estimating device for camber generating factor |
| JP2006007235A (en) * | 2004-06-23 | 2006-01-12 | Toshiba Corp | System for controlling sheet camber and device for detecting sheet camber |
| CN104903017A (en) * | 2012-12-25 | 2015-09-09 | 东芝三菱电机产业系统株式会社 | Plate camber detection device, descaling control device, and pass schedule calculation device |
| CN103148801A (en) * | 2013-01-30 | 2013-06-12 | 青岛云路新能源科技有限公司 | Method and device for measuring plate cut of belt material on line |
| CN106247967A (en) * | 2016-08-18 | 2016-12-21 | 京东方科技集团股份有限公司 | The measurement apparatus of a kind of substrate warp amount and method |
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|---|---|
| CN108160717A (en) | 2018-06-15 |
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