CN108160717A - The measuring method and measuring device of Head ski -up degree during steel plate rolling - Google Patents
The measuring method and measuring device of Head ski -up degree during steel plate rolling Download PDFInfo
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- CN108160717A CN108160717A CN201711382803.8A CN201711382803A CN108160717A CN 108160717 A CN108160717 A CN 108160717A CN 201711382803 A CN201711382803 A CN 201711382803A CN 108160717 A CN108160717 A CN 108160717A
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- steel plate
- calibrator
- emission source
- line
- degree
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Classifications
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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
-
- 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
Abstract
The present invention provides the measuring method and measuring device of Head ski -up degree during a kind of steel plate rolling, the measuring method of Head ski -up degree includes during the steel plate rolling：Step A：The calibrator of two groups of independence, respectively the first calibrator and the second calibrator are arranged in milling train outlet port, the calibrator of two groups of independence measures the same position thickness of the steel plate in milling train exit；When steel plate has warpage, steel plain forms certain angle theta with steel plate traffic direction, the straight-line segment length h intersected with the line of first calibrator the first emission source of measurement and the first receiving terminal with steel plate1, the straight-line segment length h that the line of the second emission source and the second receiving terminal intersects with steel plate is measured with second calibrator2, 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 measuring method and measuring device of angularity.
Background technology
Cut deal in the operation of rolling to ensure and being moved to subsequent handling after the completion of steel plate rolling when do not sent out with transmission roller channel
Raw collision generally adjusts height of rolling line to change steel plate head by the speed difference that controls milling train top and bottom rolls or by hydraulic cylinder
Portion's shape makes its head slightly upwarp, and forms sled shape.Since milling train ambient enviroment is severe, the methods of identification using image
It is difficult to reliably identify Head ski -up degree, traditional method is all to observe monitoring camera-shooting picture by operating personnel 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 different of the uniformity of steel plate upper and lower surface temperature, the friction coefficient of top and bottom rolls all can be to the angularities 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,
The Head ski -up degree after steel plate rolling is obtained by a kind of reliable measurement method, is had for raising production efficiency extremely important
Effect.
Also have at present and know otherwise to obtain the Head ski -up degree of steel plate, but this detection mode is for inspection using image
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 identification is rung, therefore is difficult in practical application to obtain expected effect, is not suitable for practical life
Produce environment.
In conclusion problems with exists in the prior art：Head ski -up degree during steel plate rolling is difficult to obtain good
Good measurement effect.
Invention content
The measuring 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
The problem of Head ski -up degree in the process is difficult to obtain good measurement effect.
For this purpose, the present invention proposes a kind of measuring method of Head ski -up degree during steel plate rolling, the head during steel plate rolling
The measuring method of angularity includes：
Step A：The calibrator of two groups of independence, respectively the first calibrator and the second thickness measuring are arranged in milling train outlet port
Instrument, the calibrator of two groups of independence measure the same position thickness of the steel plate in milling train exit；
First calibrator includes：First emission source and the first receiving terminal of the corresponding first emission source setting；
Second calibrator includes：Second emission source and the first receiving terminal of the corresponding second emission source setting；
The line of first emission source and the first receiving terminal is vertical with mill table plane；
The line of second emission source and the second receiving terminal 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 more than 0 and α and is less than 90 degree；
When steel plate has warpage, steel plain forms certain angle theta with steel plate traffic direction, 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 terminal with steel plate straight
Line line segment length h1, unit mm, h1The straight-line segment intersected for the line of the first emission source and the first receiving terminal 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 terminal with steel plate straight
Line line segment length h2, unit mm；h2The straight-line segment intersected for the line of the second emission source and the second receiving terminal 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 more than 6mm.
Further, first calibrator and/or the second calibrator are used using X ray form.
Further, first calibrator and/or the second calibrator are used using gamma-rays form.
Further, the line of first emission source and the first receiving terminal, second emission source and the second receiving terminal
Line and steel plate where plane intersect at a point.
Further, the measuring method of Head ski -up degree further includes during the steel plate rolling：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 same perpendicular.
The present invention also proposes a kind of measuring device, and the measuring device includes：
In the calibrator of milling train outlet port two groups of independence of arrangement, respectively the first calibrator and the second calibrator, two groups
Independent calibrator measures the same position thickness of the steel plate in milling train exit；
First calibrator includes：First emission source and the first receiving terminal of the corresponding first emission source setting；
Second calibrator includes：Second emission source and the first receiving terminal of the corresponding second emission source setting；
The line of first emission source and the first receiving terminal is vertical with mill table plane；
The line of second emission source and the second receiving terminal 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 more than 0 and α and is less than 90 degree.
The present invention arranges the calibrator of two groups of independence, respectively the first calibrator and the second thickness measuring in milling train outlet port
Instrument, the calibrator of two groups of independence measure the same position thickness of the steel plate in milling train exit；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, and the first emission source and first is measured with first calibrator
The straight-line segment length h that the line of receiving terminal intersects with steel plate1, unit mm, h1Company for the first emission source and the first receiving terminal
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 terminal with
The straight-line segment length h that steel plate intersects2, unit mm；h2Intersect for the line of the second emission source and the second receiving terminal 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 measured and calculated accurately, and steel plate there are nose and
The measurement of actual (real) thickness can be realized during discount, is conducive to the raising of the stability and control accuracy of production.
The present invention is using 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.
Description of the drawings
Fig. 1 is measuring state schematic diagram of the measuring method of the present invention when plate is without warpage；
Fig. 2 is measuring state schematic diagram of the measuring method of the present invention in slab warping；
Fig. 3 is measuring principle schematic diagram of the measuring method of the present invention in slab warping.
Drawing reference numeral explanation：
11st, the first emission source；13rd, the first receiving terminal；21 second emission sources；23 second receiving terminals；3rd, steel plate.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control illustrates this hair
It is bright.
As depicted in figs. 1 and 2, the measuring method of Head ski -up degree, the steel plate when present invention provides a kind of steel plate rolling
The measuring method of Head ski -up degree includes during rolling：
Step A：In milling train outlet port, such as on the stent in exit or rack, the calibrator of two groups of independence is arranged,
Respectively the first calibrator and the second calibrator, the calibrator of two groups of independence measure the same position of the steel plate 3 in milling train exit
Thickness；
First calibrator includes：First emission source 11 and the first receiving terminal of the corresponding first emission source setting
13；
Second calibrator includes：Second emission source 21 and the first receiving terminal of the corresponding second emission source setting
23；
Each emission source can emit signal, and each receiving terminal can receive the signal that corresponding emission source is sent out；Calibrator
Existing ray through-transmission technique may be used in measuring technique, such as：Emission source can be according to requiring to send out ray, and ray passes through steel
Attenuation can be generated during plate, the factors such as attenuation and the thickness, ingredient, temperature of steel plate are related, by the transmitted intensity for measuring receiving terminal
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 in vertical manner by steel plate, but with there is certain angle perpendicular to the straight line of surface of steel plate
Degree, measured numerical value is no longer practical steel plate thickness.Change angle of the X ray (or gamma-rays) relative to steel plate, measure
As a result can also change, so the present invention does not use single-measurement mode, but using measurement in a closed series, 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；
The line of first emission source and the first receiving terminal is vertical with mill table plane；Lead in this way in straight steel plate
When crossing calibrator, accurate thickness measure can be realized；
As shown in Fig. 2, the line of 21 and second receiving terminal 23 of the second emission source and the vertical line shape of mill table plane
Into certain angle [alpha] is presented along 3 traffic direction of steel plate, unit is degree, and α is more than 0；
When steel plate 3 has warpage, steel plain forms certain angle theta with steel plate traffic direction, 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 terminal with steel plate straight
Line line segment length h1, unit mm, h1The straight-line segment intersected for the line of the first emission source and the first receiving terminal 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 terminal with steel plate straight
Line line segment length h2, unit mm；h2The straight-line segment intersected for the line of the second emission source and the second receiving terminal with steel plate is long
Degree；
As shown in figure 3, actual (real) thickness h, OB that OA is steel plate are the result that the first calibrator measuresOC is
The result that second calibrator measures
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 more than 6mm.In this way, solve cut deal steel plate nose and
The problem of discount can not be measured and calculated accurately.
Further, first calibrator and/or the second calibrator are used using X ray form.In this way, penetration power
By force, measurement effect is good.
Further, first calibrator and/or the second calibrator are used using gamma-rays form.In this way, penetration power
By force, measurement effect is good.
Further, the line of first emission source and the first receiving terminal, second emission source and the second receiving terminal
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, the measuring method of Head ski -up degree further includes during the steel plate rolling：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 any result that two measuring instruments measure all be steel plate without warpage when, the actual (real) thickness h of steel plate, because
This, even if one of measuring instrument is faulty, it is also ensured that the accuracy of measurement.
Further, α is between 5~20 degree, for example, 15 degree.In this way, the data measured are more suitable for calculating, more there is representative
Property.
Further, first calibrator and the second calibrator are located in same perpendicular, i.e. the first calibrator and
Second calibrator is located in vertical mill table plane.In this way, be conducive to the accuracy measured.
The present invention also proposes a kind of measuring device, in milling train outlet port, such as on the stent in exit or rack, cloth
The calibrator of two groups of independence, respectively the first calibrator and the second calibrator are put, the calibrator of two groups of independence measures milling train outlet
The same position thickness of the steel plate 3 at place；
First calibrator includes：First emission source 11 and the first receiving terminal of the corresponding first emission source setting
13；
Second calibrator includes：Second emission source 21 and the first receiving terminal of the corresponding second emission source setting
23；
Each emission source can emit signal, and each receiving terminal can receive the signal that corresponding emission source is sent out；Calibrator
Existing ray through-transmission technique may be used in measuring technique, such as：Emission source can be according to requiring to send out ray, and ray passes through steel
Attenuation can be generated during plate, the factors such as attenuation and the thickness, ingredient, temperature of steel plate are related, by the transmitted intensity for measuring receiving terminal
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 in vertical manner by steel plate, but with there is certain angle perpendicular to the straight line of surface of steel plate
Degree, measured numerical value is no longer practical steel plate thickness.Change angle of the X ray (or gamma-rays) relative to steel plate, measure
As a result can also change, so the present invention does not use single-measurement mode, but using measurement in a closed series, by according to two groups of measurement numbers
Camber of sheet degree and steel plate thickness can be obtained according to by mathematical model.
The line of first emission source and the first receiving terminal is vertical with mill table plane；Lead in this way in straight steel plate
When crossing calibrator, accurate thickness measure can be realized；
As shown in Fig. 2, the line of 21 and second receiving terminal 23 of the second emission source and the vertical line shape of mill table plane
Into certain angle [alpha] is presented along 3 traffic direction of steel plate, unit is degree, and α is more than 0；It can be measured by the measuring method of front
Head ski -up degree during steel plate rolling.
The present invention can calculate steel plate by being carried out at the same time the measurement of both direction in thickness measure point using functional relation
The angularity on head, and then operating personnel can be instructed to carry out parameter adjustment, obtain desired angularity.
The foregoing is merely the schematical specific embodiments of the present invention, are not limited to the scope of the present 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 variations and modification, should all belong to the scope of protection of the invention under the premise of the design of invention and principle.
Claims (10)
- A kind of 1. measuring method of Head ski -up degree during steel plate rolling, which is characterized in that Head ski -up degree during the steel plate rolling Measuring method include：Step A：In the calibrator of milling train outlet port two groups of independence of arrangement, respectively the first calibrator and the second calibrator, two The independent calibrator of group measures the same position thickness of the steel plate in milling train exit；First calibrator includes：First emission source and the first receiving terminal of the corresponding first emission source setting；Second calibrator includes：Second emission source and the first receiving terminal of the corresponding second emission source setting；The line of first emission source and the first receiving terminal is vertical with mill table plane；The line of second emission source and the second receiving terminal 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 more than 0 and α and is less than 90 degree；When steel plate has warpage, steel plain forms certain angle theta with steel plate traffic direction, and unit is spends, 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 terminal with steel plate Segment length h1, unit mm, h1The straight-line segment length intersected for the line of the first emission source and the first receiving terminal 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 terminal with steel plate Segment length h2, unit mm；h2The straight-line segment length intersected for the line of the second emission source and the second receiving terminal with steel plate；Step D：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.
- 2. the measuring method of Head ski -up degree during steel plate rolling as described in claim 1, which is characterized in that the steel plate is thickness Degree is the cut deal of more than 6mm.
- 3. the measuring method of Head ski -up degree during steel plate rolling as described in claim 1, which is characterized in that first thickness measuring Instrument and/or the second calibrator are used using X ray form.
- 4. the measuring method of Head ski -up degree during steel plate rolling as described in claim 1, which is characterized in that first thickness measuring Instrument and/or the second calibrator are used using gamma-rays form.
- 5. the measuring method of Head ski -up degree during 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 terminal, second emission source and the second receiving terminal intersects at one Point.
- 6. the measuring method of Head ski -up degree during steel plate rolling as described in claim 1, which is characterized in that the steel plate rolling When Head ski -up degree measuring 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 measuring method of Head ski -up degree during steel plate rolling as described in claim 1, which is characterized in that α 5~20 degree it Between.
- 8. the measuring method of Head ski -up degree during steel plate rolling as described in claim 1, which is characterized in that first thickness measuring Instrument and the second calibrator are located in same perpendicular.
- 9. a kind of measuring device for being used for the measuring method of Head ski -up degree during steel plate rolling described in claim 1, feature It is, the measuring device includes：The calibrator of two groups of independence, respectively the first calibrator and the second calibrator are arranged in milling train outlet port, two groups independent Calibrator measure milling train exit steel plate same position thickness；First calibrator includes：First emission source and the first receiving terminal of the corresponding first emission source setting；Second calibrator includes：Second emission source and the first receiving terminal of the corresponding second emission source setting；The line of first emission source and the first receiving terminal is vertical with mill table plane；The line of second emission source and the second receiving terminal 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 more than 0 and α and is 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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| 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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|---|---|---|---|
| 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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Citations (6)
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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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| CN108160717B (en) | 2019-07-12 |
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