CN102896183A - Method for judging whether hot-rolled steel coil is in place by coil touch of coil unloading trolley - Google Patents
Method for judging whether hot-rolled steel coil is in place by coil touch of coil unloading trolley Download PDFInfo
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- CN102896183A CN102896183A CN2012103886886A CN201210388688A CN102896183A CN 102896183 A CN102896183 A CN 102896183A CN 2012103886886 A CN2012103886886 A CN 2012103886886A CN 201210388688 A CN201210388688 A CN 201210388688A CN 102896183 A CN102896183 A CN 102896183A
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- coil
- pressure
- stripping car
- coil stripping
- target location
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 24
- 239000010959 steel Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000000630 rising effect Effects 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
A method for judging the position of hot-rolled steel coil in discharging car includes such steps as acquiring the target position H of discharging car for lifting itTarget position(ii) a Then setting the unloaded pressure P of the coil stripping trolleyNo load pressure(ii) a Finally, by adding PActual pressure－PNo load pressureIs compared with a touch roll pressure setting constant A to obtain | HActual position－HTarget positionAnd comparing the absolute value of | with the position window parameter B, thereby judging whether the coil stripping trolley successfully touches the coil in place. According to the method for judging the in-place coil touching of the coil unloading trolley for the hot rolled steel coil, the target position and the no-load pressure of the coil unloading trolley are obtained firstly through calculation, then the actual pressure and the actual position of the coil unloading trolley are measured in real time, and the pressure and the position are judged and compared, so that the in-place coil touching reliability of the coil unloading trolley is ensured, the guarantee is provided for the subsequent coil unloading work, and the serious accident that the steel coil falls is thoroughly avoided.
Description
Technical field
The present invention relates to metallurgical industry field, particularly relate to a kind of coils of hot-rolled steel coil stripping car and touch the determination methods that is rolled onto the position.
Background technology
The coil of strip coil stripping car is the visual plant of hot rolling line, and the coil of strip that is used for coiling machine is rolled into is discharged to supply line.Coil stripping car touches and is rolled onto the simple employing pressure judgement in position at present, because the fluctuation of on-the-spot pressure tends to cause the failure of judgement.Perhaps produce to touch in advance and be rolled onto a signal, coil stripping car is actual to be failed to touch coil of strip and causes coil of strip to drop, and smashes equipment; Perhaps lagging behind to produce to touch is rolled onto a signal, and coil stripping car with reel jack-up, causes the reel distortion to coil of strip, can not use.In case above-mentioned situation occurs, will have a strong impact on production, therefore unload volume and touch and be rolled into merit and whether become to batch and unload the major hidden danger that licks in the journey, must change and touch the volume determination methods.
Summary of the invention
The object of the present invention is to provide and a kind ofly can judge accurately that touching the coils of hot-rolled steel coil stripping car be rolled onto the position touches the determination methods that is rolled onto the position.
A kind of coils of hot-rolled steel coil stripping car provided by the invention touches the determination methods that is rolled onto the position and comprises: at first obtain the target location H that coil stripping car rises
The target location
Then set coil stripping car unloading pressure P
Unloading pressure, described coil stripping car unloading pressure P
Unloading pressureTo rise to the force value that target location one half is surveyed at coil stripping car;
Pass through P at last
Actual pressure-P
Unloading pressureDifference compare with touching volume pressure setting constant A, will | H
Real The position, border-H
The target location| absolute value and location window B parameter compare, whether touch and be rolled onto position success, wherein a P thereby judge coil stripping car
Actual pressureBe the pressure that coil stripping car is measured in real time, H
Physical locationPhysical location for coil stripping car.
Further, the described target location H that obtains the coil stripping car rising
The target locationComprise:
Obtain the diameter D of coil of strip to be unloaded
Coil diameterAnd the diameter D of coil stripper car supporting roller
Carrying roller, then pass through H
Md-(D
Coil diameter/ 2)-(D
Carrying roller/ 2) calculate the target location H that obtains the coil stripping car rising
The target location, H wherein
MdDuring for the coil stripping car lowest order and reel centre distance.
Further, described at setting coil stripping car unloading pressure P
Unloading pressureAlso comprise before:
Coil stripping car is carried out vertical motion.
Further, described tactile volume pressure setting constant A and location window B parameter are according to treating that measuring tape steel afterbody thickness and intensity are basis of design, originate take thick intensity band steel with a high standard as main setting data, not only guaranteeing that equipment is not damaged but also guarantee normally to unload the scrolling work.
When P is satisfied in pressure and the position of coil stripping car
Actual pressure-P
Unloading pressure〉=A, and | H
Physical location-H
The target location| during≤B, coil stripping car touches and is rolled onto the position success.
Further, do not satisfy P when pressure and the position of coil stripping car
Actual pressure-P
Unloading pressure〉=A, and | H
Physical location-H
The target location| during≤B, then reporting to the police to touch is rolled onto the position failure.
Further, described tactile volume pressure setting constant A is 30kN, and described location window B parameter is set as 100mm.
A kind of coils of hot-rolled steel coil stripping car provided by the invention touches the determination methods that is rolled onto the position, by calculating target location and the unloading pressure that draws first coil stripping car, then measure in real time actual pressure and the position of coil stripping car, and the judgement of carrying out pressure and position is compared, guaranteed that coil stripping car touches the reliability that is rolled onto the position, for the follow-up volume work of unloading provides assurance, the major accident of thoroughly having avoided coil of strip to drop.
Description of drawings
Fig. 1 is the device schematic diagram of coil stripping car and reel;
Fig. 2 is for touching the outline flowchart that is rolled onto a determination methods according to coil stripping car of the present invention.
The specific embodiment
In conjunction with illustrated in figures 1 and 2, a kind of coils of hot-rolled steel coil stripping car provided by the invention touches the determination methods that is rolled onto the position and may further comprise the steps:
Step S1: obtain the target location H that coil stripping car rises
The target location Label 7 represents H among 7(Fig. 1
Target The position).
Step S2: coil stripping car is carried out vertical motion.After the coil of strip rolling, until the one-level computer send unload volume order after, put H according to the target of calculating
The target location7, risen by one-level computer control coil stripping car hydraulic cylinder, coil stripping car starts and rises.
Step S3: then set coil stripping car unloading pressure P
Unloading pressureWhen coil stripping car rises, measure pressure by the pressure sensor that is contained on the hydraulic cylinder, measure lifting position by magnetic scale.When coil stripping car just began to rise, the hydraulic cylinder action can cause the hydraulic line pressure fluctuation ratio larger, and the pressure detecting of this moment is unstable, therefore can not be the pressure of this moment as unloading pressure.Guarantee the coil stripping car even running, and will guarantee that dolly does not have in other plant equipment interference situations, this moment, detected pressures was just as unloading pressure.Therefore rise to H when detecting coil stripping car
The target location7 one halfs, the pressure of this moment just is set as the coil stripping car unloading pressure, that is to say that unload volume all will set unloading pressure at every turn, and judging the tactile position that is rolled onto for next step provides reliable and stable data.
Step S4: by with P
Actual pressure-P
Unloading pressureDifference compare with touching volume pressure setting constant A, will | H
Physical location-H
The target location| absolute value and location window B parameter compare, whether touch and be rolled onto position success, wherein a P thereby judge coil stripping car
Actual pressureBe the pressure that coil stripping car is measured in real time, H
Physical locationPhysical location for coil stripping car.
Wherein, step S1 obtains the target location H that coil stripping car rises
The target location7 comprise following two steps:
Step S11: the diameter D that obtains coil of strip 1 to be unloaded
Coil diameter Label 4 represents diameter D among 4(Fig. 1
Coil diameter) and the diameter D of coil stripper car supporting roller
Carrying roller(label 5 represents diameter D among Fig. 1
Carrying roller), D wherein
Coil diameterThe 4th, according to current calculating with steel of batching, send to one-level computer by network communication by second computer.According to above-mentioned formula, the one-level computer calculates dolly climbing target position according to this coil diameter.
Step S12: pass through H
The target location=H
Md-(D
Coil diameter/ 2)-(D
Carrying roller/ 2) calculate the target location H that coil stripping car touches volume
The target location7.Wherein, H
MdLabel 6 represents H among 6(Fig. 1
Md) when being the coil stripping car lowest order and the centre distance of reel 2.
Step S4 passes through P
Actual pressure-P
Unloading pressureDifference compare with touching volume pressure setting constant A, will | H
Physical location-H
The target location| absolute value and location window B parameter compare, whether touch and be rolled onto position success, wherein a P thereby judge coil stripping car
Actual pressureBe the pressure that coil stripping car is measured in real time, H
Physical locationPhysical location for coil stripping car.Specifically:
Step S41: the physical location H that judges coil stripping car pressure and measurement coil stripping car
Physical locationAt first judge coil stripping car pressure, it is exactly the pressure that detects in real time by pressure sensor in fact that coil stripping car has year pressure.After unloading pressure was set and finished in the dolly uphill process, the one-level computer carries out pressure all the time to be judged, i.e. formula: P
Actual pressure-P
Unloading pressure〉=whether touch volume pressure setting constant A satisfies.When coil stripping car does not touch coil of strip, P
Actual pressure-P
Unloading pressure=0; Only touch P behind the coil of strip
Actual pressure-P
Unloading pressure＞0, along with dolly continues to promote coil of strip, P
Actual pressure-P
Unloading pressureDifference is increasing, and whether its difference arrives is touched volume pressure setting constant as basis for estimation.Measure simultaneously the physical location H of coil stripping car by magnetic scale
Physical location, by | H
Physical location-H
The target location|≤location window B parameter judges whether the coil stripping car position has arrived the target location.Wherein, touching volume pressure setting constant A and location window B parameter is according to treating that measuring tape steel afterbody thickness and intensity are basis of design, originate take thick intensity band steel with a high standard as main setting data, not only guaranteeing that equipment is not damaged but also guarantee normally to unload the scrolling work.The tactile volume pressure setting constant A that the embodiment of the invention provides is set as 30kN by debugging, and the location window B parameter is made as 100mm.
Step S42: carry out in such a way the tactile position that is rolled onto of judgement, pressure and position is judged simultaneously, to judge pressure P
Actual pressure-P
Unloading pressureWhether meet the demands is main, to judge the position | and H
Physical location-H
The target location| whether be auxiliary, when pressure satisfies P if meeting the demands
Actual pressure-P
Unloading pressure〉=30kN, the position arrives the target location window ranges simultaneously, and namely satisfy the position: | H
Physical location-H
The target location| during≤100mm, coil stripping car has touched and has been rolled onto the position, and not satisfying condition then reports to the police touches and be rolled onto the position failure, and for example following two kinds of situations are all thought to touch and are rolled onto the position failure:
A. rising surpasses the target location, but pressure does not reach requirement, i.e. pressure P
Actual pressure-P
Unloading pressure＜30kN and position H
Physical location-H
The target location＞100mm;
B. pressure reaches requirement, does not arrive in the window ranges of target location but rise, i.e. P
Actual pressure-P
Unloading pressure〉=30kN and H
Physical location-H
The target location＜-100mm;
Touch be rolled onto the position failure after, the one-level computer will report to the police and stop to unload normally scrolling and do.Effective like this having avoided touched the generation that is rolled onto an error signal, protected field apparatus, guaranteed normal production.
Above-described embodiment is the better embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (7)
1. a coils of hot-rolled steel coil stripping car touches the determination methods that is rolled onto the position, it is characterized in that, comprising:
At first obtain the target location H that coil stripping car rises
The target location
Then set coil stripping car unloading pressure P
Unloading pressure, described coil stripping car unloading pressure P
Unloading pressureTo rise to the force value that target location one half is surveyed at coil stripping car;
Pass through P at last
Actual pressure-P
Unloading pressureDifference compare with touching volume pressure setting constant A, will | H
Real The position, border-H
The target location| absolute value and location window B parameter compare, whether touch and be rolled onto position success, wherein a P thereby judge coil stripping car
Actual pressureBe the pressure that coil stripping car is measured in real time, H
Physical locationPhysical location for coil stripping car.
2. a kind of coils of hot-rolled steel coil stripping car as claimed in claim 1 touches the determination methods that is rolled onto the position, it is characterized in that, the described target location H that obtains the coil stripping car rising
The target locationComprise:
Obtain the diameter D of coil of strip to be unloaded
Coil diameterAnd the diameter D of coil stripper car supporting roller
Carrying roller, then pass through H
Md-(D
Coil diameter/ 2)-(D
Carrying roller/ 2) calculate the target location H that obtains the coil stripping car rising
The target location, H wherein
MdDuring for the coil stripping car lowest order and reel centre distance.
3. a kind of coils of hot-rolled steel coil stripping car as claimed in claim 1 touches the determination methods that is rolled onto the position, it is characterized in that, and is described at setting coil stripping car unloading pressure P
Unloading pressureAlso comprise before:
Coil stripping car is carried out vertical motion.
4. a kind of coils of hot-rolled steel coil stripping car as claimed in claim 1 touches the determination methods that is rolled onto the position, it is characterized in that:
Described tactile volume pressure setting constant A and location window B parameter are according to treating that measuring tape steel afterbody thickness and intensity are basis of design, originate take thick intensity band steel with a high standard as main setting data, not only guaranteeing that equipment is not damaged but also guarantee normally to unload the scrolling work.
5. a kind of coils of hot-rolled steel coil stripping car as claimed in claim 4 touches the determination methods that is rolled onto the position, it is characterized in that:
When P is satisfied in pressure and the position of coil stripping car
Actual pressure-P
Unloading pressure〉=A, and | H
Physical location-H
The target location| during≤B, coil stripping car touches and is rolled onto the position success.
6. a kind of coils of hot-rolled steel coil stripping car as claimed in claim 5 touches the determination methods that is rolled onto the position, it is characterized in that:
When P is not satisfied in pressure and the position of coil stripping car
Actual pressure-P
Unloading pressure〉=A, and | H
Physical location-H
The target location| during≤B, then reporting to the police to touch is rolled onto the position failure.
7. a kind of coils of hot-rolled steel coil stripping car as claimed in claim 6 touches the determination methods that is rolled onto the position, it is characterized in that:
Described tactile volume pressure setting constant A is 30kN, and described location window B parameter is set as 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210388688.6A CN102896183B (en) | 2012-10-12 | 2012-10-12 | Method for judging whether hot-rolled steel coil is in place by coil touch of coil unloading trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210388688.6A CN102896183B (en) | 2012-10-12 | 2012-10-12 | Method for judging whether hot-rolled steel coil is in place by coil touch of coil unloading trolley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102896183A true CN102896183A (en) | 2013-01-30 |
| CN102896183B CN102896183B (en) | 2014-11-12 |
Family
ID=47568839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210388688.6A Active CN102896183B (en) | 2012-10-12 | 2012-10-12 | Method for judging whether hot-rolled steel coil is in place by coil touch of coil unloading trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102896183B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105290151A (en) * | 2014-06-30 | 2016-02-03 | 宝钢不锈钢有限公司 | Coil discharging control method for coiling machine with jaw |
| CN110586688A (en) * | 2019-09-09 | 2019-12-20 | 中冶南方工程技术有限公司 | Steel coil car and coil touch detection method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2412747A1 (en) * | 1973-05-18 | 1974-12-05 | Voest Ag | STRIPPING AND LEVELING SYSTEM FOR BLANK HOT-ROLLED PLATES |
| JPH06297036A (en) * | 1993-04-15 | 1994-10-25 | Nippon Steel Corp | Method for preventing fall at the time of inserting coil into pay-off reel |
| CN201257460Y (en) * | 2008-09-27 | 2009-06-17 | 王燕飞 | Coiled material alignment diameter-measuring device |
| CN101537445A (en) * | 2008-09-27 | 2009-09-23 | 上海东大自动化工程有限公司 | Device and method for coiled material centering and diameter measuring |
| JP2010253483A (en) * | 2009-04-21 | 2010-11-11 | Jfe Steel Corp | Winding device and winding method of thick high-strength hot-rolled steel plate |
| CN101941027A (en) * | 2010-07-22 | 2011-01-12 | 南京钢铁股份有限公司 | High-speed coil unloading and aligning method of qualified finished wire coils |
-
2012
- 2012-10-12 CN CN201210388688.6A patent/CN102896183B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2412747A1 (en) * | 1973-05-18 | 1974-12-05 | Voest Ag | STRIPPING AND LEVELING SYSTEM FOR BLANK HOT-ROLLED PLATES |
| JPH06297036A (en) * | 1993-04-15 | 1994-10-25 | Nippon Steel Corp | Method for preventing fall at the time of inserting coil into pay-off reel |
| CN201257460Y (en) * | 2008-09-27 | 2009-06-17 | 王燕飞 | Coiled material alignment diameter-measuring device |
| CN101537445A (en) * | 2008-09-27 | 2009-09-23 | 上海东大自动化工程有限公司 | Device and method for coiled material centering and diameter measuring |
| JP2010253483A (en) * | 2009-04-21 | 2010-11-11 | Jfe Steel Corp | Winding device and winding method of thick high-strength hot-rolled steel plate |
| CN101941027A (en) * | 2010-07-22 | 2011-01-12 | 南京钢铁股份有限公司 | High-speed coil unloading and aligning method of qualified finished wire coils |
Non-Patent Citations (1)
| Title |
|---|
| 陈菊平等: "卸卷小车升降控制回路故障分析", 《流体传动与控制》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105290151A (en) * | 2014-06-30 | 2016-02-03 | 宝钢不锈钢有限公司 | Coil discharging control method for coiling machine with jaw |
| CN105290151B (en) * | 2014-06-30 | 2018-04-20 | 宝钢不锈钢有限公司 | It is a kind of to unload volume control method with jaw coiling machine |
| CN110586688A (en) * | 2019-09-09 | 2019-12-20 | 中冶南方工程技术有限公司 | Steel coil car and coil touch detection method thereof |
| CN110586688B (en) * | 2019-09-09 | 2024-04-12 | 中冶南方工程技术有限公司 | Steel coil car and coil touch detection method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102896183B (en) | 2014-11-12 |
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