CN103028617B - Hot-rolled strip steel wave-shaped defect online detection method and measurement device thereof - Google Patents
Hot-rolled strip steel wave-shaped defect online detection method and measurement device thereof Download PDFInfo
- Publication number
- CN103028617B CN103028617B CN201110296386.1A CN201110296386A CN103028617B CN 103028617 B CN103028617 B CN 103028617B CN 201110296386 A CN201110296386 A CN 201110296386A CN 103028617 B CN103028617 B CN 103028617B
- Authority
- CN
- China
- Prior art keywords
- strip steel
- fork
- hot
- deflection angle
- wave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 37
- 239000010959 steel Substances 0.000 title claims abstract description 37
- 230000007547 defect Effects 0.000 title claims abstract description 19
- 238000005259 measurement Methods 0.000 title abstract description 10
- 238000001514 detection method Methods 0.000 title abstract 2
- 238000005098 hot rolling Methods 0.000 claims description 13
- 238000010998 test method Methods 0.000 claims description 7
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 3
- 241000277275 Oncorhynchus mykiss Species 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention relates to the field of hot-rolled strip steel coil dividing line wave shape online control, in particular to a hot-rolled strip steel wave shape defect online detection method and a measurement device thereof, which are characterized in that a wave shape defect measurement device is arranged at a fixed position above strip steel at the inlet side of a hot-rolled coil dividing line, the device is provided with a swing rod, the end part of the swing rod slides on the strip steel along with the movement of the hot-rolled strip steel, and the wave shape height of the position of the end part of the swing rod is calculated by measuring the deflection angle of the swing rod, and the method comprises the following specific operation: 1) when the strip steel is straight, setting the deflection angle of the oscillating bar to be 45 degrees; 2) measuring the deflection angle value as theta after the strip steel has wave shape; 3) the wave height h can be approximately calculated according to the formula h-Rcos 45-Rcos theta. Compared with the prior art, the invention has the beneficial effects that: the method can provide the wave-shaped defect information of the plate roll for operators in real time, so that the coil splitting operators can prejudge in advance to carry out leveling adjustment, and the leveling efficiency and the leveling quality are improved.
Description
Technical field
The present invention relates to hot-strip and divide spiral shape wave On-line Control field, relate in particular to a kind of wave-shaped defect in hot rolling strip steel online test method and measurement mechanism thereof.
Background technology
Wave-shaped defect in hot rolling strip steel is a kind of flatness defect producing in hot rolling production process, current this defect can export plate profile instrument by mm finishing mill unit and carry out site tracing monitoring, but when steel plate is after follow-up laminar flow cooling technology and the remaining warm self tempering of coil of strip itself, can there is random uncertain variation in plate shape shape wave defect, for grasping the data of flatness defect, must carry out manual measurement by a upper minute spiral, only have shape wave defect is carried out to anticipation in advance, the smooth efficiency in guarantee postorder formation process and smooth quality.
Summary of the invention
The object of this invention is to provide a kind of wave-shaped defect in hot rolling strip steel online test method and measurement mechanism thereof, overcome the deficiencies in the prior art, in hot rolling, divide and on spiral, increase online shape wave defectoscopy, the shape wave defect information of coiled sheet is provided to operating personnel, make bundling operating personnel can shift to an earlier date anticipation and carry out smooth adjustment, improve smooth efficiency and smooth quality.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of wave-shaped defect in hot rolling strip steel online test method, above hot rolling divides spiral entrance side band steel, fixed position arranges shape wave defectoscopy device, this device is provided with a fork, movement along with hot-strip, swing link end part slides on band steel, by the deflection angle of measuring oscillating bar, can calculate the shape wave height of swing link end part position, its concrete operation step is as follows:
1) when band steel head threading is by after milling train, start shape wave defectoscopy device, swing link end part drops on belt steel surface and slides along belt steel surface, and when belt steel surface is straight, the deflection angle of the fork of adjusting is 45 °;
2) when band steel occurs after shape wave, the deflection angle of fork changes, and measuring this deflection angle value is θ;
3) can approximate calculation shape wave height h according to formula h=Rcos45 °-Rcos θ, wherein R is oscillating bar length mm.
A kind of shape wave defectoscopy device, comprise axle sleeve, main shaft, motor, resistor type angle measuring instrument, fork and sliding sleeve, in axle sleeve, be coaxially provided with main shaft, main shaft is provided with resistor type angle measuring instrument, spindle nose is provided with belt pulley one and is connected with motor shaft end belt pulley two by belt, main shaft is connected with fork one end, and the fork other end is provided with sliding sleeve.
The measurement category of described resistor type angle measuring instrument is 0～90 °.
Described oscillating bar length is greater than 200 with swing link end part sliding sleeve diameter ratio.
Compared with prior art, the invention has the beneficial effects as follows: by dividing in hot rolling, on spiral, increase online shape wave defectoscopy device, the shape wave defect information of coiled sheet is provided in real time can to operating personnel, make bundling operating personnel can shift to an earlier date anticipation and carry out smooth adjustment, improve smooth efficiency and the smooth quality of the smooth operation of postorder.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention structural representation.
In figure: 1-axle sleeve 2-main shaft 3-motor 4-resistor type angle measuring instrument 5-fork 6-sliding sleeve 7-belt pulley one 8-belt 9-belt pulley two 10-band steel
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
See Fig. 1, it is a kind of wave-shaped defect in hot rolling strip steel online test method of the present invention example structure schematic block diagram, above hot rolling divides spiral entrance side band steel, fixed position arranges shape wave defectoscopy device, this device is provided with fork 5, along with the movement with steel 10, slide in fork 5 ends on band steel, by the deflection angle of measuring oscillating bar 5, the shape wave height h that can calculate fork 5 positions, end, its concrete operation step is as follows:
1) when band steel 10 head threadings are by after milling train, start shape wave defectoscopy device, motor 3 rotations, fork 5 is fallen by horizontal start bit, fork 5 ends are dropped on band steel 10 surface and are followed slip along belt steel surface, and surperficial when straight when band steel 10, the deflection angle of the fork 5 of adjusting is 45 °;
2) when band steel 10 occurs after shape wave, the deflection angle of fork 5 changes, and measuring this deflection angle value is θ;
3) can approximate calculation shape wave height h according to formula h=Rcos45 °-Rcos θ, wherein R is oscillating bar length mm, fork 5 length are more than or equal to 200 with swing link end part sliding sleeve 6 diameter ratios, in embodiment, get R=1000mm, sliding sleeve 6 diameter 5mm, when θ is 60 °, h=707.21-1000cos60 °=207.21mm, sliding sleeve 6 diameter 5mm can ignore with respect to oscillating bar length;
Above-mentioned a kind of shape wave defectoscopy device, comprise axle sleeve 1, main shaft 2, motor 3, resistor type angle measuring instrument 4, fork 5 and sliding sleeve 6, the interior main shaft 2 that is coaxially provided with of axle sleeve 1, main shaft 2 is provided with resistor type angle measuring instrument 4, and along with main shaft 2 angles change, resistance also changes thereupon, the also proportional variation of corresponding measurement electric current, main shaft 2 ends are provided with belt pulley 29 and are connected with motor 3 axle head belt pulleys 1 by belt 8, and main shaft 2 is connected with fork 5 one end, and fork 5 other ends are provided with sliding sleeve 6.The measurement category of resistor type angle measuring instrument 4 is 0～90 °, and horizontal position is start bit.When fork 5 length are greater than 200 with swing link end part sliding sleeve 6 diameter ratios, sliding sleeve 6 diameters can be ignored for the impact of final shape wave defect h calculated value.
Claims (1)
1. a wave-shaped defect in hot rolling strip steel online test method, it is characterized in that, above hot rolling divides spiral entrance side band steel, fixed position arranges shape wave defectoscopy device, this device is provided with a fork, along with the movement of hot-strip, swing link end part slides on band steel, by the deflection angle of measuring oscillating bar, the shape wave height that can calculate swing link end part position, its concrete operation step is as follows:
1) when band steel head threading is by after milling train, start shape wave defectoscopy device, swing link end part drops on belt steel surface and slides along belt steel surface, and when belt steel surface is straight, the deflection angle of the fork of adjusting is 45 °;
2) when band steel occurs after shape wave, the deflection angle of fork changes, and measuring this deflection angle value is θ;
3) can approximate calculation shape wave height h according to formula h=Rcos45 °-Rcos θ, wherein R is oscillating bar length mm;
Realize the shape wave defectoscopy device of described online test method, comprise axle sleeve, main shaft, motor, resistor type angle measuring instrument, fork and sliding sleeve, in axle sleeve, be coaxially provided with main shaft, main shaft is provided with resistor type angle measuring instrument, spindle nose is provided with belt pulley two and is connected with motor shaft end belt pulley one by belt, main shaft is connected with fork one end, and the fork other end is provided with sliding sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110296386.1A CN103028617B (en) | 2011-09-30 | 2011-09-30 | Hot-rolled strip steel wave-shaped defect online detection method and measurement device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110296386.1A CN103028617B (en) | 2011-09-30 | 2011-09-30 | Hot-rolled strip steel wave-shaped defect online detection method and measurement device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103028617A CN103028617A (en) | 2013-04-10 |
| CN103028617B true CN103028617B (en) | 2014-11-05 |
Family
ID=48016301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110296386.1A Active CN103028617B (en) | 2011-09-30 | 2011-09-30 | Hot-rolled strip steel wave-shaped defect online detection method and measurement device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103028617B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104511487B (en) * | 2013-09-30 | 2016-08-24 | 宝山钢铁股份有限公司 | The detection method of shape wave steel plate length |
| CN105363801B (en) * | 2015-11-11 | 2018-01-12 | 北京首钢股份有限公司 | A kind of online strip shape quality apparatus for evaluating of skin pass mill group and method |
| CN110316337B (en) * | 2019-03-25 | 2022-07-12 | 青岛觉海科技有限公司 | Multifunctional variable-pitch primary-secondary underwater robot |
| CN110293137B (en) * | 2019-04-04 | 2021-01-01 | 飞马智科信息技术股份有限公司 | Automatic threading control method of hot rolling leveling and coil splitting unit |
| CN115069791B (en) * | 2022-06-09 | 2023-03-10 | 北京科技大学 | Strip steel wave-shaped defect online judgment method and system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1623342B1 (en) * | 1966-09-07 | 1974-09-12 | Yawata Iron & Steel Co | Device for determining the waviness of band-shaped objects |
| US5489774A (en) * | 1994-09-20 | 1996-02-06 | The Board Of Trustees Of The Leland Stanford University | Combined atomic force and near field scanning optical microscope with photosensitive cantilever |
| CN2453385Y (en) * | 2000-11-29 | 2001-10-10 | 宝山钢铁股份有限公司 | Device for measuring irregularity of surface of steel band of steel sheet |
| CN2579539Y (en) * | 2002-10-17 | 2003-10-15 | 鞍钢集团新钢铁有限责任公司 | Contact band steel wave shape detector |
| CN100410618C (en) * | 2003-02-27 | 2008-08-13 | 株式会社三丰 | Measuring instrument |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05141905A (en) * | 1991-11-22 | 1993-06-08 | Sumitomo Metal Ind Ltd | Shape measuring device for metal strip |
| JP5000894B2 (en) * | 2006-01-24 | 2012-08-15 | 株式会社ミツトヨ | Surface texture measuring machine |
-
2011
- 2011-09-30 CN CN201110296386.1A patent/CN103028617B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1623342B1 (en) * | 1966-09-07 | 1974-09-12 | Yawata Iron & Steel Co | Device for determining the waviness of band-shaped objects |
| US5489774A (en) * | 1994-09-20 | 1996-02-06 | The Board Of Trustees Of The Leland Stanford University | Combined atomic force and near field scanning optical microscope with photosensitive cantilever |
| CN2453385Y (en) * | 2000-11-29 | 2001-10-10 | 宝山钢铁股份有限公司 | Device for measuring irregularity of surface of steel band of steel sheet |
| CN2579539Y (en) * | 2002-10-17 | 2003-10-15 | 鞍钢集团新钢铁有限责任公司 | Contact band steel wave shape detector |
| CN100410618C (en) * | 2003-02-27 | 2008-08-13 | 株式会社三丰 | Measuring instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103028617A (en) | 2013-04-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103028617B (en) | Hot-rolled strip steel wave-shaped defect online detection method and measurement device thereof | |
| CN212363167U (en) | Roller body roundness detection device | |
| CN202129265U (en) | High-speed rolling mill for cold-rolled ribbed steel bars | |
| CN203061601U (en) | Straightening production line of stretch-bending straighteners | |
| CN102286751B (en) | Method for judging pickling speed in cold rolling pickling technology | |
| CN206056555U (en) | Inside and outside calipers main frame | |
| CN205128608U (en) | Bend radius adjustable high frequency welded pipe shaping roll device | |
| CN103433297B (en) | Tension stable control device for skin pass mill | |
| CN105032946B (en) | Planisher roll shifting operating method | |
| CN102914251B (en) | Roller outer diameter measuring system based on eddy current displacement sensor | |
| CN203390132U (en) | Cold rolling measurement and control device for bearing ring blank | |
| CN101670374A (en) | Low-temperature laminar cooling control method of hot rolled strip steel | |
| CN113118223A (en) | Method for adjusting rolling center line of bar and wire continuous rolling mill set | |
| CN109781007A (en) | Vertical steel coils side detection device | |
| CN101623720B (en) | Coiling apparatus for controlling strip type of special metal strip | |
| CN203754121U (en) | Tension adjusting structure of tensioner | |
| CN212469348U (en) | High-precision pipe bending machine | |
| CN105066866A (en) | Method for measuring steel coil radius of strip steel reel coiler working line | |
| CN106734250B (en) | A kind of system and its application method of on-line checking cold-reduced sheet skin-friction coefficient | |
| CN105562830B (en) | Burr cutting apparatus | |
| CN205426689U (en) | Valve sample moment of torsion and moment of flexure performance combined test device | |
| CN104511488B (en) | Sendzimir mill working roll position relationship measurement apparatus and method | |
| CN204064242U (en) | The coalignment of long-axle workpieces | |
| CN202547575U (en) | Tubular oil drilling tool axiality on-line measurement device | |
| CN209866966U (en) | Automatic starting process device for strip coil of strip steel finishing machine set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |