CN103028617A - Online testing method and measuring device of shape wave defects of hot rolled strip steel - Google Patents
Online testing method and measuring device of shape wave defects of hot rolled strip steel Download PDFInfo
- Publication number
- CN103028617A CN103028617A CN2011102963861A CN201110296386A CN103028617A CN 103028617 A CN103028617 A CN 103028617A CN 2011102963861 A CN2011102963861 A CN 2011102963861A CN 201110296386 A CN201110296386 A CN 201110296386A CN 103028617 A CN103028617 A CN 103028617A
- Authority
- CN
- China
- Prior art keywords
- shape wave
- strip steel
- fork
- hot rolled
- measuring device
- 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.)
- Granted
Links
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 online control of hot rolled strip steel coil separating line shape wave and particularly relates to an online testing method and a measuring device of shape wave defects of hot rolled strip steel. The online testing method and the measuring device of the shape wave defects of the hot rolled strip steel are characterized in that the measuring device of the shape wave defects is arranged above strip steel on an entrance side of a hot rolled coil separating line and is provided with an oscillating rod, wherein the oscillating rod moves along with the hot rolling strip steel and the end portion of the oscillating rod slides on the strip steel. The height of the shape wave of the position of the end portion of the oscillating rod is calculated through measuring deflection angles of the oscillating rod as the following steps: (1) setting the deflection angle of the oscillating rod to be 45 degrees when the strip steel is straight; (2) measuring the deflection angle with the value of theta when shape wave is formed on the strip steel; (3) approximately calculating the height h of the shape wave according to a formula h = R* cosine 45 degrees - R cosine theta. Compared with the prior art, the online testing method and the measuring device of shape wave defects of hot rolled strip steel have the advantages of being capable of providing real-time information of the shape wave defects of the coils to operators, ensuring that the operators can conduct flatting adjustment in advance and flatting efficiency and flatting 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 that produces in the hot rolling production process, present this defective can export plate profile instrument by mm finishing mill unit and carry out site tracing monitoring, but after steel plate is through follow-up laminar flow cooling technology and the remaining warm self tempering of coil of strip itself, random uncertain the variation can occur in plate shape shape wave defective, for grasping the data of flatness defect, must carry out manual measurement by a upper minute spiral, only have the shape wave defective is carried out anticipation in advance, the smooth efficient in the guarantee postorder formation process and smooth quality.
Summary of the invention
The purpose 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, divide spiral to increase online shape wave defectoscopy in hot rolling, the shape wave defect information of coiled sheet is provided to operating personnel, make the bundling operating personnel can shift to an earlier date anticipation and carry out smooth adjustment, improve smooth efficient 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, the fixed position arranges shape wave defectoscopy device above hot rolling divides spiral entrance side band steel, this device is provided with a fork, movement along with hot-strip, swing link end part slides at the 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) after band steel head threading is passed through 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 was straight, the deflection angle of the fork of adjusting was 45 °;
2) after shape wave appearred in the band steel, the deflection angle of fork changed, and measuring this deflection angle value is θ;
3) but according to formula h=Rcos45 °-Rcos θ approximate calculation shape wave height h, 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, the coaxial main shaft that is provided with in the axle sleeve, main shaft is provided with the resistor type angle measuring instrument, spindle nose is provided with belt pulley one and links to each other with motor shaft end belt pulley two by belt, main shaft links to each other 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 compares greater than 200 with swing link end part sliding sleeve diameter.
Compared with prior art, the invention has the beneficial effects as follows: increase online shape wave defectoscopy device by divide spiral in hot rolling, the shape wave defect information of coiled sheet is provided in real time can for operating personnel, make the bundling operating personnel can shift to an earlier date anticipation and carry out smooth adjustment, improve smooth efficient and the smooth quality of the smooth operation of postorder.
Description of drawings
Fig. 1 is embodiment of the invention structural representation.
Among the 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-are with 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, the fixed position arranges shape wave defectoscopy device above hot rolling divides spiral entrance side band steel, this device is provided with fork 5, along with the movement with steel 10, slide at the band steel in fork 5 ends, by the deflection angle of measuring oscillating bar 5, can calculate the shape wave height h of position, fork 5 end, its concrete operation step is as follows:
1) after band steel 10 head threadings are passed through milling train, starts 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) after shape wave appearred in band steel 10, the deflection angle of fork 5 changed, and measuring this deflection angle value is θ;
3) but according to formula h=Rcos45 °-Rcos θ approximate calculation shape wave height h, wherein R is oscillating bar length mm, fork 5 length compare greater than 200 with swing link end part sliding sleeve 6 diameters, among the embodiment, get R=1000mm, sliding sleeve 6 diameter 5mm are when θ is 60 °, h=707.21-1000cos60 °=207.21mm then, 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 axle sleeve 1 interior coaxial main shaft 2 that is provided with, 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 1 and link to each other with motor 3 axle head belt pulleys 29 by belt 8, and main shaft 2 links to each other with fork 5 one ends, 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 and swing link end part sliding sleeve 6 diameters than greater than 200 the time, sliding sleeve 6 diameters can be ignored for the impact of final shape wave defective h calculated value.
Claims (4)
1. wave-shaped defect in hot rolling strip steel online test method, it is characterized in that, the fixed position arranges shape wave defectoscopy device above hot rolling divides spiral entrance side band steel, this device is provided with a fork, along with the movement of hot-strip, swing link end part slides at the 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) after band steel head threading is passed through 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 was straight, the deflection angle of the fork of adjusting was 45 °;
2) after shape wave appearred in the band steel, the deflection angle of fork changed, and measuring this deflection angle value is θ;
3) but according to formula h=Rcos45 °-Rcos θ approximate calculation shape wave height h, wherein R is oscillating bar length mm.
2. the shape wave defectoscopy device of the described online test method of claim 1, it is characterized in that, comprise axle sleeve, main shaft, motor, resistor type angle measuring instrument, fork and sliding sleeve, the coaxial main shaft that is provided with in the axle sleeve, main shaft is provided with the resistor type angle measuring instrument, spindle nose is provided with belt pulley one and links to each other with motor shaft end belt pulley two by belt, and main shaft links to each other with fork one end, and the fork other end is provided with sliding sleeve.
3. a kind of shape wave defectoscopy device according to claim 2 is characterized in that, the measurement category of described resistor type angle measuring instrument is 0～90 °.
4. a kind of shape wave defectoscopy device according to claim 2 is characterized in that, described oscillating bar length compares greater than 200 with swing link end part sliding sleeve diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110296386.1A CN103028617B (en) | 2011-09-30 | 2011-09-30 | Online testing method and measuring device of shape wave defects of hot rolled strip steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110296386.1A CN103028617B (en) | 2011-09-30 | 2011-09-30 | Online testing method and measuring device of shape wave defects of hot rolled strip steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103028617A true CN103028617A (en) | 2013-04-10 |
| CN103028617B 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 | Online testing method and measuring device of shape wave defects of hot rolled strip steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103028617B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104511487A (en) * | 2013-09-30 | 2015-04-15 | 宝山钢铁股份有限公司 | Detection method for length of wave-shaped steel plate |
| CN105363801A (en) * | 2015-11-11 | 2016-03-02 | 北京首钢股份有限公司 | Online strip shape quality assessment device and method for temper mill |
| CN110293137A (en) * | 2019-04-04 | 2019-10-01 | 飞马智科信息技术股份有限公司 | A kind of self-threading tape control method of hot-rolled leveling bundling unit |
| CN110316337A (en) * | 2019-03-25 | 2019-10-11 | 西安水泽动力科技有限公司 | A kind of multifunction changable pitch master and slave type underwater robot |
| CN115069791A (en) * | 2022-06-09 | 2022-09-20 | 北京科技大学 | Strip steel wave-shaped defect online judgment method and system |
Citations (7)
| 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 |
| JPH05141905A (en) * | 1991-11-22 | 1993-06-08 | Sumitomo Metal Ind Ltd | Shape measuring device for metal strip |
| 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 |
| JP2007198791A (en) * | 2006-01-24 | 2007-08-09 | Mitsutoyo Corp | Surface property measuring instrument |
| CN100410618C (en) * | 2003-02-27 | 2008-08-13 | 株式会社三丰 | Measuring instrument |
-
2011
- 2011-09-30 CN CN201110296386.1A patent/CN103028617B/en active Active
Patent Citations (7)
| 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 |
| JPH05141905A (en) * | 1991-11-22 | 1993-06-08 | Sumitomo Metal Ind Ltd | Shape measuring device for metal strip |
| 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 |
| JP2007198791A (en) * | 2006-01-24 | 2007-08-09 | Mitsutoyo Corp | Surface property measuring instrument |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104511487A (en) * | 2013-09-30 | 2015-04-15 | 宝山钢铁股份有限公司 | Detection method for length of wave-shaped steel plate |
| 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 |
| CN105363801A (en) * | 2015-11-11 | 2016-03-02 | 北京首钢股份有限公司 | Online strip shape quality assessment device and method for temper mill |
| CN110316337A (en) * | 2019-03-25 | 2019-10-11 | 西安水泽动力科技有限公司 | A kind of multifunction changable pitch master and slave type underwater robot |
| 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 |
| CN110293137A (en) * | 2019-04-04 | 2019-10-01 | 飞马智科信息技术股份有限公司 | A kind of self-threading tape control method of hot-rolled leveling bundling unit |
| CN115069791A (en) * | 2022-06-09 | 2022-09-20 | 北京科技大学 | Strip steel wave-shaped defect online judgment method and system |
| CN115069791B (en) * | 2022-06-09 | 2023-03-10 | 北京科技大学 | Strip steel wave-shaped defect online judgment method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103028617B (en) | 2014-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103028617B (en) | Online testing method and measuring device of shape wave defects of hot rolled strip steel | |
| CN103223420B (en) | Method for controlling inner ring indentations of hot-rolled steel coil, and system | |
| CN110193532B (en) | Method for quickly judging and controlling tension fluctuation of recoiling machine | |
| CN212363167U (en) | Roller body roundness detection device | |
| CN102535279A (en) | Numerical control fine-grinding quality control method of rail welding joint | |
| CN203658281U (en) | Steel plate surface quality detection device with adjustable visual angle | |
| CN111570528B (en) | Calibration method for roll gap curve of feeding roll of fully-continuous hot-rolling thin strip clamp | |
| CN108655203B (en) | Method for quickly identifying and monitoring camber defect of hot continuous rolling strip steel | |
| CN103234783B (en) | Device and method for preparing dumbbell-shaped sample of cable insulation and protection sheath material | |
| CN202129265U (en) | High-speed rolling mill for cold-rolled ribbed steel bars | |
| CN101182984A (en) | Hot rolling bar plate scythes bend and bias-running online detection method | |
| CN105234194A (en) | Ultrafast cooling device for hot continuous rolled narrow strip steel and control method of ultrafast cooling device | |
| CN204575414U (en) | A kind of cable tension test dumbbell test material preparation device | |
| CN109781007B (en) | Vertical steel coil side surface detection device | |
| CN102914251B (en) | Roller outer diameter measuring system based on eddy current displacement sensor | |
| CN111744959B (en) | Automatic control device and method for cold-rolled strip steel curled overflowing edges | |
| CN103433297B (en) | Tension stable control device for skin pass mill | |
| CN102607382A (en) | Online measurement device for axiality of pipe-shaped oil drilling tool | |
| CN209886397U (en) | Steel roller abrasion on-line measuring device | |
| CN106670242B (en) | The device of the offline Strip Shape of On-line Control | |
| CN203390132U (en) | Cold rolling measurement and control device for bearing ring blank | |
| CN204086188U (en) | A kind of device for surveying interface heat exchange coefficient | |
| CN109248924A (en) | A kind of cold-strip steel machinery performance online closed loop control method | |
| CN106975662A (en) | A kind of hot rolling reeling inner ring of steel coil coil shape control method | |
| CN113118223B (en) | Method for adjusting rolling center line of bar and wire continuous rolling mill 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 |