CN102322803A - Steel blank length-measurement positioning system - Google Patents

Steel blank length-measurement positioning system Download PDF

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Publication number
CN102322803A
CN102322803A CN201110231640A CN201110231640A CN102322803A CN 102322803 A CN102322803 A CN 102322803A CN 201110231640 A CN201110231640 A CN 201110231640A CN 201110231640 A CN201110231640 A CN 201110231640A CN 102322803 A CN102322803 A CN 102322803A
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China
Prior art keywords
distance detector
steel billet
detecting device
detector
length
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CN201110231640A
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CN102322803B (en
Inventor
张大宝
杨峰
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Wisdri Wuhan Wis Industrial Furnace Co Ltd
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Wisdri Wuhan Wis Industrial Furnace Co Ltd
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Priority to CN 201110231640 priority Critical patent/CN102322803B/en
Publication of CN102322803A publication Critical patent/CN102322803A/en
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Publication of CN102322803B publication Critical patent/CN102322803B/en
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Abstract

The invention relates to a steel blank length-measurement positioning system, which belongs to the field of a steel bank entering furnace system, and comprises an end part detector, a distance detector and a signal processing and control system, wherein the end part detector is arranged at the outer side of an entering furnace roller way, and the end part detector and the distance detector are respectively connected with the signal processing and control system. The steel blank length-measurement positioning system is characterized in that the distance detector and the entering furnace roller way are arranged at either the left end or the right end of the entering furnace roller way at intervals and are positioned on the extending line of the center line of the corresponding end of the entering furnace roller passage. The steel blank length-measurement positioning system can be used for precisely measuring the steel blank length and completing the steel blank entering furnace aligning, so the centering arrangement of steel blanks in a furnace in the furnace width direction is ensured, the load of a support component in the furnace is uniform, the distances from both ends of the steel blanks to the furnace walls of the two sides are identical, the accidents such as deflection wall collision and the like can be reduced to the maximum degree, the adopted equipment is simple, the use range is wide, the steel blank length-measurement positioning system is applicable to the new building or reformation of various heat treatment furnaces and steel milling heating furnaces with precise steel blank length-measurement and aligned entering furnace requirements, the investment is low, the construction period is short, and the equipment maintenance is simple.

Description

The detect length of billets positioning system
Technical field
The present invention relates to steel billet and go into furnace system, the stokehold that is specifically related to various continous way heater for rolling steel, heat-treatment furnace is used for steel billet is surveyed the control system of long location and centering.
Background technology
For the various heater for rolling steel of present steel plant, heat-treatment furnace; Especially continous way heater for rolling steel, heat-treatment furnace; Usually need steel billet in stove along stove cross direction centered; So that stove inner bracing member load is even, steel billet two ends and both sides furnace wall hit accidents such as wall apart from equalization with maximum minimizing sideslip.In order to adjust the heating furnace production capacity, need accurately to measure steel billet length simultaneously.Be to realize this purpose, need go into the stokehold at steel billet and accomplish and survey long, centering work, thus guarantee steel billet go into stove between two parties.
At present, going into stokehold survey length, centering work, adopting the way of metal detector+scrambler in the industry usually for how accomplishing steel billet; Promptly going on the furnace roller road scrambler is installed; Metering roller-way revolution is going into a certain position installation in furnace roller road cold/hot metal detector (being commonly called as photoelectric tube), to detect the steel billet position; Photoelectric tube and scrambler cooperating are accomplished steel billet and are gone into stokehold survey length, centering work.Reason such as skid when on roller-way, advancing, roller-way wearing and tearing, encoder roller/non-encoder roller rotating speed are inconsistent owing to steel billet, this method precision is relatively poor, and it is of a specified duration more especially to come into operation, and precision is poor more, can not satisfy long, the centering requirement of survey that industry improves day by day.
Summary of the invention
The technical matters that the present invention will solve is: propose a kind of detect length of billets positioning system to the problems referred to above, this system can accurately survey long location and centering control to steel billet in the stokehold, and the assurance steel billet is gone into stove between two parties; Being applicable to variously has steel billet accurately to survey heater for rolling steel, heat-treatment furnace long, that centering is gone into the stove requirement, is particularly useful for various continous way heater for rolling steel, continuous heat-treating drier.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
The detect length of billets positioning system comprises termination detecting device, distance detector, signal Processing and control system, and the termination detecting device is arranged on into the outside, furnace roller road, and the termination detecting device all is connected with control system with signal Processing with distance detector; It is characterized in that described distance detector and go into the furnace roller road and leave and be spaced apart and arranged in the arbitrary end in the furnace roller road right ends and be positioned on the center line extended line of furnace roller road respective ends.
By technique scheme, when distance detector was positioned on the furnace roller road left end center line extended line, the distance detector detection faces was relative with steel billet head end moving direction.
By technique scheme, the spacing of described distance detector and stove center line is L2.
By technique scheme, when distance detector is positioned on the furnace roller road left end center line extended line, when the distance detector detection faces is relative with steel billet head end moving direction; Arrive trigger end head detecting device when the steel billet head end moves, when length was Ld1 between steel billet head end and the distance detector, signal Processing and control system obtained the rising edge signal that the termination detecting device sends, and the measured length L d1 of record distance detector; Then steel billet continues to move to distance detector place end; The steel billet afterbody arrives when triggering the termination detecting device once more; Length is Ld2 between steel billet head end and the distance detector; Signal Processing and control system obtain the negative edge signal that the termination detecting device is sent, and the measured length L d2 of record distance detector this moment; It is Ld2-Ld1 that signal Processing and control system calculate steel billet length L s, accomplishes detect length of billets work this moment.
By technique scheme; After accomplishing detect length of billets work; Steel billet continues to move to distance detector place end, and when the length value L c between steel billet head end and the distance detector was L-Ls/2, signal Processing and control system obtained the measured length value signal of distance detector and transmit into furnace roller road stall signal; The steel billet center line is consistent with the stove center line, and this moment, steel billet centering was accomplished.
By technique scheme, when distance detector was positioned on the furnace roller road right-hand member center line extended line, the distance detector detection faces was consistent with steel billet head end moving direction.
By technique scheme, described distance detector is a laser range finder; Described termination detecting device is a metal detector.
By technique scheme, described distance detector is the technical grade laser range finder; Described termination detecting device is a metal detector.
Principle of the present invention is:
Through laser range finder, monitor steel billet in real time in the position of going on the furnace roller road, the complexed metal detecting device is accomplished steel billet and is gone into the long location of stokehold survey; Through being installed at the metal detector of going on the furnace roller road, confirm the time point of steel billet head and the tail two ends through this given position, according to the time difference and laser range finder measured value, calculate steel billet length and accomplish stokehold location work; Signal Processing and control system receive the signal of laser range finder and metal detector; And signal is carried out A/D change, carry out logic determines for system, through signal Processing, logic determines; System sends control signal to charging roller table and dress steel system; Calculate steel billet length, return, and accomplish centering and go into stove to host computer.
The relative prior art of the present invention has following beneficial effect:
1) adopted laser range finder and metal detector to match; Can accurately measure steel billet length; Thereby go into stove for steel billet centering necessary condition is provided; Simultaneously can accurate production data be provided, help accurately confirming the stove production capacity, help steel rolling mill and blank supplier's accurate clearing for heating furnace or heat-treatment furnace production.
2) when accurately surveying length, can accomplish steel billet accurately and go into stove centering; Thereby guarantee steel billet in stove along stove cross direction centered; Make that stove inner bracing member load is even, steel billet two ends and both sides furnace wall farthest reduce sideslip and hit accidents such as wall apart from equalization.
3) equipment that is adopted is simple, and usable range is extensive, and being applicable to variously has steel billet accurately to survey the newly-built of the heater for rolling steel long, that centering is gone into the stove requirement, heat-treatment furnace or transform, and invest for a short time, and the construction period lacks, and plant maintenance is simple.
Description of drawings
In order to understand the present invention better, do to further describe below in conjunction with accompanying drawing and embodiment.
Fig. 1 is the initial position figure of steel billet in the system of one embodiment of the invention;
Fig. 2 begins to survey the long location drawing for steel billet in the system of Fig. 1;
Fig. 3 is the location drawing that detect length of billets is accomplished in the system of Fig. 1;
Fig. 4 is that steel billet centering is accomplished figure in the system of Fig. 1.
In the accompanying drawing, 1-metal detector, 2-laser range finder, 3-steel billet.
Embodiment
As shown in Figure 1, the stove inner width is made as W, and metal detector 1 is made as L1 with the stove centreline spacing, and laser range finder 2 is made as L2 with the stove centreline spacing; Metal detector 1 is arranged on into the outside, furnace roller road, and metal detector 1 all is connected with control system with signal Processing with laser range finder 2; It is characterized in that described laser range finder 2 and go into the furnace roller road and leave on the center line extended line that is spaced apart and arranged in furnace roller road left end that laser range finder 2 detection faces are relative with steel billet head end moving direction.
When metal detector 1 scans steel billet 3 heads, length is Ld1 between steel billet head end and the laser range finder 2, and signal Processing and control system obtain the rising edge signal that metal detector 1 sends, and the measured length L d1 of recording laser stadimeter 2, and is as shown in Figure 2; Then steel billet 3 continues to move to laser range finder 2 place ends; The steel billet afterbody arrives when triggering metal detector 1 once more; Length is Ld2 between steel billet head end and the laser range finder 2, and signal Processing and control system obtain the negative edge signal that metal detector 1 is sent, and the measured length L d2 of record laser range finder this moment 2; Signal Processing and control system calculate steel billet length L s and be Ld2-Ld1, and be as shown in Figure 3;
After accomplishing steel billet 3 survey farm labourers works; Steel billet 3 continues to move to laser range finder 2 place ends, when the length value between steel billet head end and the laser range finder 2 is Lc, and Lc=L-Ls/2; Signal Processing and control system obtain the measured length value signal of laser range finder 2 and transmit into furnace roller road stall signal; Steel billet 3 center lines are consistent with the stove center line, and this moment, steel billet 3 centerings were accomplished, and are as shown in Figure 4.
The laser range finder 2 that is adopted is the technical grade laser range finder.
Also can make laser range finder 2 leave and be spaced apart and arranged on the furnace roller road right-hand member center line extended line among other embodiment, and make laser range finder 2 detection faces consistent simultaneously with steel billet head end moving direction with going into the furnace roller road; At this moment, each length computation principle similarly.
Above disclosedly be merely preferred embodiment of the present invention, can not limit the present invention's interest field certainly with this, the equivalence of therefore doing according to claim of the present invention changes, and still belongs to protection scope of the present invention.

Claims (10)

1. the detect length of billets positioning system comprises termination detecting device, distance detector, signal Processing and control system, and the termination detecting device is arranged on into the outside, furnace roller road, and the termination detecting device all is connected with control system with signal Processing with distance detector; It is characterized in that described distance detector and go into the furnace roller road and leave and be spaced apart and arranged in the arbitrary end in the furnace roller road right ends and be positioned on the center line extended line of furnace roller road respective ends.
2. system according to claim 1 is characterized in that the distance detector detection faces is relative with steel billet head end moving direction when distance detector is positioned on the furnace roller road left end center line extended line.
3. system according to claim 2, the spacing that it is characterized in that described distance detector and stove center line is L2.
4. according to claim 2 or 3 described systems; It is characterized in that arriving trigger end head detecting device when the steel billet head end moves; When length is Ld1 between steel billet head end and the distance detector; Signal Processing and control system obtain the rising edge signal that the termination detecting device sends, and the measured length L d1 of record distance detector; Then steel billet continues to move to distance detector place end; The steel billet afterbody arrives when triggering the termination detecting device once more; Length is Ld2 between steel billet head end and the distance detector; Signal Processing and control system obtain the negative edge signal that the termination detecting device is sent, and the measured length L d2 of record distance detector this moment; It is Ld2-Ld1 that signal Processing and control system calculate steel billet length L s, accomplishes detect length of billets work this moment.
5. system according to claim 4; It is characterized in that after accomplishing detect length of billets work; Steel billet continues to move to distance detector place end, and when the length value L c between steel billet head end and the distance detector was L-Ls/2, signal Processing and control system obtained the measured length value signal of distance detector and transmit into furnace roller road stall signal; The steel billet center line is consistent with the stove center line, and this moment, steel billet centering was accomplished.
6. system according to claim 1 is characterized in that the distance detector detection faces is consistent with steel billet head end moving direction when distance detector is positioned on the furnace roller road right-hand member center line extended line.
7. according to one of claim 1-3 or 5 or 6 described systems, it is characterized in that described distance detector is a laser range finder; Described termination detecting device is a metal detector.
8. system according to claim 4 is characterized in that described distance detector is a laser range finder; Described termination detecting device is a metal detector.
9. system according to claim 7 is characterized in that described distance detector is the technical grade laser range finder; Described termination detecting device is a metal detector.
10. according to one of claim 1-3 or 5 or 6 or 8 described systems, it is characterized in that described distance detector is the technical grade laser range finder; Described termination detecting device is a metal detector.
CN 201110231640 2011-08-12 2011-08-12 Steel blank length-measurement positioning system Expired - Fee Related CN102322803B (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102538470A (en) * 2012-02-22 2012-07-04 中冶南方(武汉)威仕工业炉有限公司 Steel retaining machine with mandrel adjustable in elongation
CN102581241A (en) * 2012-02-27 2012-07-18 柳州钢铁股份有限公司 Secondary automatic cutting system of continuous casting slab
CN103084429A (en) * 2013-01-31 2013-05-08 中冶南方工程技术有限公司 Control method and control system for width centering of steel coil carried by steel coil car
CN103820628A (en) * 2014-03-11 2014-05-28 斯坦因(上海)工业炉有限公司 Heating furnace slab positioning device and positioning method thereof
CN105899908A (en) * 2013-11-12 2016-08-24 泰雷兹加拿大公司 Dynamic wheel diameter determination system and method
CN108130407A (en) * 2017-12-25 2018-06-08 南京钢铁股份有限公司 A kind of double cloth production cost efficiency method of non-oxidation roller hearth heat-treated furnace
CN109186467A (en) * 2018-10-15 2019-01-11 中天钢铁集团有限公司 A kind of steel billet length distance measuring method
CN110285763A (en) * 2019-07-23 2019-09-27 上海联达节能科技股份有限公司 Steel billet dimension measurement system based on laser ranging system and metal detection device
CN110986611A (en) * 2019-12-24 2020-04-10 江苏永钢集团有限公司 Method and device for measuring length of blank fed into steel rolling heating furnace and alarming
CN111795632A (en) * 2020-07-02 2020-10-20 北京科技大学设计研究院有限公司 On-line automatic measurement method for length of stokehole plate blank
CN114774672A (en) * 2022-05-12 2022-07-22 广东韶钢松山股份有限公司 Method and system for controlling feeding of steel billets into furnace

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JPH0552526A (en) * 1991-08-29 1993-03-02 Nkk Corp Sheet dimensions measuring equipment
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102538470A (en) * 2012-02-22 2012-07-04 中冶南方(武汉)威仕工业炉有限公司 Steel retaining machine with mandrel adjustable in elongation
CN102538470B (en) * 2012-02-22 2014-07-23 中冶南方(武汉)威仕工业炉有限公司 Steel retaining machine with mandrel adjustable in elongation
CN102581241A (en) * 2012-02-27 2012-07-18 柳州钢铁股份有限公司 Secondary automatic cutting system of continuous casting slab
CN103084429A (en) * 2013-01-31 2013-05-08 中冶南方工程技术有限公司 Control method and control system for width centering of steel coil carried by steel coil car
CN105899908A (en) * 2013-11-12 2016-08-24 泰雷兹加拿大公司 Dynamic wheel diameter determination system and method
CN103820628A (en) * 2014-03-11 2014-05-28 斯坦因(上海)工业炉有限公司 Heating furnace slab positioning device and positioning method thereof
CN108130407A (en) * 2017-12-25 2018-06-08 南京钢铁股份有限公司 A kind of double cloth production cost efficiency method of non-oxidation roller hearth heat-treated furnace
CN109186467A (en) * 2018-10-15 2019-01-11 中天钢铁集团有限公司 A kind of steel billet length distance measuring method
CN110285763A (en) * 2019-07-23 2019-09-27 上海联达节能科技股份有限公司 Steel billet dimension measurement system based on laser ranging system and metal detection device
CN110986611A (en) * 2019-12-24 2020-04-10 江苏永钢集团有限公司 Method and device for measuring length of blank fed into steel rolling heating furnace and alarming
CN111795632A (en) * 2020-07-02 2020-10-20 北京科技大学设计研究院有限公司 On-line automatic measurement method for length of stokehole plate blank
CN114774672A (en) * 2022-05-12 2022-07-22 广东韶钢松山股份有限公司 Method and system for controlling feeding of steel billets into furnace
CN114774672B (en) * 2022-05-12 2024-01-09 广东韶钢松山股份有限公司 Billet charging control method and system

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