CN101210809A - Continuous casting machine sector section centering measurement method - Google Patents
Continuous casting machine sector section centering measurement method Download PDFInfo
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- CN101210809A CN101210809A CNA2006101481644A CN200610148164A CN101210809A CN 101210809 A CN101210809 A CN 101210809A CN A2006101481644 A CNA2006101481644 A CN A2006101481644A CN 200610148164 A CN200610148164 A CN 200610148164A CN 101210809 A CN101210809 A CN 101210809A
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- 238000009749 continuous casting Methods 0.000 title claims description 11
- 238000000691 measurement method Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000012937 correction Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 13
- 238000012360 testing method Methods 0.000 abstract description 10
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000033764 rhythmic process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The invention discloses a method for central position control of fan-shaped sections in a continuous caster. The method comprises the following steps of: suspending a work piece to be test on a shaft supporter and a plane supporter on a test platform, installing four equal-altitude upright columns in the periphery of the test work piece, measuring the altitudes of the equal-altitude upright columns and reference plane of the test work piece by using a laser measurement device, installing two equal-altitude cross beams on the equal-altitude upright columns, measuring the altitudes of the equal-altitude cross beams by using the laser measurement device, placing a straight ruler on the equal-altitude cross beams, moving the straight ruler to each roll surface, and measuring the distance between each roll surface and the straight ruler by using an inside micrometer. The invention has the advantages of easy operation, high measurement accuracy, low cost and short measurement time.
Description
Technical field
The present invention relates to a kind of method of the segments of slab section being carried out the centering measurement.
Background technology
Modern steel industrial expansion trend is done as a whole unified consideration with steel smelting-continuous casting-steel rolling, and the production run from the molten steel to sheet material is once finished.Inter process is no longer regulated rhythm of production through the stock.Be the rhythm of production of the qualified molten steel of STEELMAKING PRODUCTION by continuous casting, in time be fed to ladle turret, the zero defect strand behind the continuous casting is directly delivered to heater for rolling steel with roller-way, in the hope of reaching the saving time of board materials production, energy-conservation, consumption reduction, improving recovery rate of iron.Reduce product and fund cost simultaneously, improve the competitive power of product on market, for enterprise obtains maximum economic benefits.
Using fan-shaped section in the whole slab caster design is for supporting dummy bar to insert, cooling off, correct strand and derive casting stream.For guaranteeing to derive the precision (comprising thickness, flatness, linearity etc.) of strand, must guarantee that each fan-shaped section satisfies accuracy requirements such as the desired radian of design, opening degree.
Fig. 1, the 2nd, the structural representation of fan-shaped section, it is by the fixing inside and outside arc frame 10,11 of roller, and bearing seat, roller 12 connect the hydraulic cylinder of inside and outside arc frame, fan-shaped section device for positioning and securing, compositions such as air water automatic switching on device.Inside and outside arc frame 10,11 is a welded steel structure, and roller 12 is a metamerism roller, and the intermediate support alternative arrangement is to avoid inhomogeneous cooling even.Inside and outside arc frame 10,11 and roller 12 equal water flowing coolings.Roll gap is regulated by hydraulic cylinder that is distributed in four angles and movable distance block and is realized that four hydraulic cylinders couple together inside and outside arc frame 10,11, and fan-shaped section is clamped.Live-roller is arranged in the centre position (for example shown in Figure 2, have 7 rollers, live-roller is positioned at the centre of other 6 rollers) of all rollers 12 and is depressed by a hydraulic cylinder, and all fan-shaped section all adopt radially substitute mode.
Fan-shaped section centering is meant the distance of the last reference field 13 (measuring basis) of single framework (interior arc frame or outer arc frame) to each roll surface 14 (roll surface is the direct contact surface that supports and derive strand in the fan-shaped section), proofreaies and correct by measurement it is adhered to specification.After the single framework measurement update, inside and outside arc frame 10,11 is closed up, measure in twos the distance between roll surface (range accuracy that promptly inside and outside arc frame closes up after-opening) relatively.The centering of fan-shaped section and verification opening precision are the important steps that guarantees slab quality.
At present, the detection method that the measurement of segments of slab section centering is adopted both at home and abroad usually is to adopt special-purpose centering platform and special-purpose model to measure.By the fan-shaped section centering requirement of different size, design different centering platforms and centering model; Adopt high-precision digital-control boring-milling machine, processing centering model; Measured workpiece (being inside and outside arc frame 10,11) is placed on the special-purpose centering platform, detect centering by the method for measuring model and inside and outside arc frame roll surface gap.This method is more common in the overhaul of the equipments of steel mill and assembling process.
Adopt this method to carry out the shortcoming that fan-shaped section centering detects to be: owing to need to adopt digital-control boring-milling machine processing centering model, cost of manufacture height, cycle are long.Secondly, centering model physical dimension is big, poor rigidity, and in transportation and the use, it is yielding to detect model, and accuracy of detection is descended.Have again,, need the model of many of making and all size, can not reuse, make production cost very high at the product of different size.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of continuous casting machine fan-shaped segment centering measuring method, and it is simple to operate, the measuring accuracy height, and cost is low, and the duration is short.
For solving the problems of the technologies described above, continuous casting machine fan-shaped segment centering measuring method of the present invention comprises the steps,
At first, one being sidelong and putting two bracing struts on the measuring table that detects on-the-spot modulated good level, opposite side is placed two planar brackets, and measures the linearity of two bracing struts with laser measuring apparatus, and the linearity that makes two bracing struts by adjustment within the limits prescribed;
Measured workpiece (promptly interior or outer arc frame) is lifted on bracing strut and the planar bracket, and roll surface up, the reference field of measured workpiece and the upper surface of planar bracket overlap, and measure the height of measured workpiece reference field with laser measuring apparatus;
Place four contour columns at four jiaos of measured workpiece, the level that adopts level meter to proofread contour column is measured the height of contour column with laser measuring apparatus;
Again with two contour crossbeams respectively correspondence be installed in parallel on the contour column, adopt the level of two contour crossbeams of level meter check and correction, and measure the height of contour crossbeam with laser measuring apparatus;
Ruler is placed horizontally on two contour crossbeams;
Mobile ruler is to each roll surface position of measured workpiece, and the employing micrometer inside caliper is measured the distance between each roll surface and the ruler respectively, and according to measured value, the pad between increase and decrease measured workpiece and backing roll over glaze bearing makes it reach designing requirement.
Owing to adopt said method, the present invention can improve measuring accuracy by making reusable contour column and in conjunction with ruler, adopting measurement means such as micrometer inside caliper, reduces cost the reduction of erection time.
The present invention can save sample making expense and traffic expense like this owing to do not need to adopt digital-control boring-milling machine processing and fabricating high precision model, and has avoided model yielding phenomenon that influences measuring accuracy in transportation and use.
The present invention does not need to make special-purpose centering platform, adopts machine tool can process each workpiece required for the present invention simultaneously, can effectively reduce cost.By contour column and the increase and decrease pad of making different size, i.e. the inside and outside arc frame of the fan-shaped section of energy measurement different size, contour column and pad can be reused.And adopt common micrometer inside caliper to measure, and be convenient to the production of scale tissue, accelerate output, increase the benefit.
Description of drawings
The present invention is further detailed explanation below in conjunction with accompanying drawing and embodiment:
Fig. 1 is the structural representation of continuous casting machine fan-shaped segment;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is a continuous casting machine fan-shaped segment centering measuring method synoptic diagram of the present invention;
Fig. 4 is the side view of Fig. 3;
Fig. 5 is the bracing strut structural representation that uses among the present invention;
Fig. 6 is the planar bracket structural representation that uses among the present invention.
Embodiment
The measurement of continuous casting machine fan-shaped segment centering is meant the distance between detection reference face and the roll surface as previously mentioned, but since reference field and roll surface not on same axis, and fan-shaped section belongs to large component, is difficult to directly measurement.Basic design of the present invention is, measuring basis is transformed on the ruler, and mobile then ruler is measured the distance between each roll surface and ruler to each roll surface position, and whether the distance that can draw between each roll surface and the measuring basis meets the requirements.
Adopt continuous casting machine fan-shaped segment centering measuring method of the present invention need process in advance as lower member.
Press the measured workpiece (interior or outer arc frame) of different size, design and produce the contour column of differing heights.The measured workpiece of measuring a kind of specification needs 4 contour columns, in order to guarantee the geometric accuracy unanimity of four contour columns, should process these 4 contour columns simultaneously on a machine tool, and the rigidity of column should be able to be born the weight of aids such as crossbeam and ruler.
Process two contour crossbeams, crossbeam should lightly and have certain rigid, in order to guarantee the geometric accuracy unanimity of two contour crossbeams, and should processing simultaneously on a machine tool.
The shim pack of processing inequality is adjusted height when measuring all size measured workpiece.Shim pack is made up of the pad of 0.05～2mm all thickness, and offers open slot on pad, is convenient to mounting or dismounting.
Process two bracing struts, two planar brackets, the structure of bracing strut and planar bracket is the steel construction piece shown in Fig. 5,6, is used to support measured workpiece.The height of center of bracing strut, planar bracket and precision are consistent with the basic framework precision that fan-shaped section is installed in actual use.
Shown in Fig. 3,4, concrete measuring method comprises the steps:
At first, prepare a test platform in test site, and adjust level.Described test platform also can wait higher baselines 8 (cast iron square chest) form by four, waits higher baselines 8 to be arranged on four jiaos of test site with four, the formation rectangle plane, and this plane should be able to hold measured workpiece 7.With the level of higher baselines 8 such as level meter check and correction, and, make four to wait the height of higher baselines 8 to equate by adjustment with the height of higher baselines 8 such as laser measuring apparatus measurement.
One being sidelong and putting two bracing struts 3 on measuring table, opposite side is placed two planar brackets 4, measure the linearity of two bracing struts 3 with laser measuring apparatus, the linearity that makes two bracing struts 3 by adjustment is (error range of linearity can be set according to the requirement of different measured workpieces) within the limits prescribed.Measured workpiece 7 is lifted on bracing strut 3, the planar bracket 4, roll surface 14 up, the upper surface of the reference field of measured workpiece 7 and planar bracket 3 overlaps, and measures the height of measured workpiece 7 reference fields with laser measuring apparatus.
Place four contour columns 1 for four of measured workpiece 7 jiaos on test platform, the level that adopts level meter to proofread contour column 1 is measured the height of contour column 1 with laser measuring apparatus.When the height of contour column 1 should guarantee to measure the highest roll surface to the distance of ruler 6 greater than 50mm (because micrometer inside caliper length minimum be 50mm).
When higher baselines 8 such as test platform employing, bracing strut 3 and planar bracket 4 both can with higher baseline 8 such as contour column 1 usefulness is same (each support and column are installed on the higher baseline such as same), also bracing strut 3 and planar bracket 4 can be installed in respectively on the higher baseline 8 such as independent.
Again with two contour crossbeams 2 respectively correspondence be installed in parallel on the contour column 1, adopt the level of two contour crossbeams 2 of level meter check and correction, and measure the height of contour crossbeam 2, and can be by adjusting the height unanimity that pad 5 make contour crossbeam 2 with laser measuring apparatus.
Though the distance between each roll surface 14 and the ruler 6 is not the distance of measured workpiece 7 reference fields and each roll surface 14, can calculates in advance and convert thereof into distance up to specification.For example, after all detect required parts and measured workpiece 7 and all install, measure the position height of contour crossbeam 2 and reference field (upper surface of planar bracket 4) respectively with laser measuring apparatus, calculate the distance values that allows between each roll surface 14 and the ruler 6 then.Ruler 6 to the gauged distance of each roll surface 14 should be: reference field to the distance of ruler 6 deducts the distance of reference field to roll surface 6.
When the contour column 1 of Design and Machining, contour crossbeam 2, bracing strut 3, planar bracket 4 by guaranteeing that dimensional accuracy between each parts also can converse the predetermined distance between each roll surface 14 and the ruler 6.
Claims (1)
1. a continuous casting machine fan-shaped segment centering measuring method is characterized in that, comprises the steps:
At first, one being sidelong and putting two bracing struts on the measuring table that detects on-the-spot modulated good level, opposite side is placed two planar brackets, and measures the linearity of two bracing struts with laser measuring apparatus, and the linearity that makes two bracing struts by adjustment within the limits prescribed;
Measured workpiece is lifted on bracing strut and the planar bracket, and roll surface up, the reference field of measured workpiece and the upper surface of planar bracket overlap, and measure the height of measured workpiece reference field with laser measuring apparatus;
Place four contour columns at four jiaos of measured workpiece, the level that adopts level meter to proofread contour column is measured the height of contour column with laser measuring apparatus;
Again with two contour crossbeams respectively correspondence be installed in parallel on the contour column, adopt the level of two contour crossbeams of level meter check and correction, and measure the height of contour crossbeam with laser measuring apparatus;
Ruler is placed horizontally on two contour crossbeams;
Mobile ruler is to each roll surface position of measured workpiece, and the employing micrometer inside caliper is measured the distance between each roll surface and the ruler respectively, and according to measured value, the pad between increase and decrease measured workpiece and backing roll over glaze bearing makes it reach designing requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101481644A CN101210809A (en) | 2006-12-28 | 2006-12-28 | Continuous casting machine sector section centering measurement method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101481644A CN101210809A (en) | 2006-12-28 | 2006-12-28 | Continuous casting machine sector section centering measurement method |
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| CN101210809A true CN101210809A (en) | 2008-07-02 |
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| CNA2006101481644A Pending CN101210809A (en) | 2006-12-28 | 2006-12-28 | Continuous casting machine sector section centering measurement method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101549400B (en) * | 2009-05-15 | 2011-01-05 | 首钢总公司 | Implementation of submerged nozzle rapid accurate centering by using laser and monitoring method |
| CN102221329A (en) * | 2011-03-31 | 2011-10-19 | 刘海庆 | Tool for positioning and detecting sector section of continuous casting machine |
| CN101886909B (en) * | 2008-12-25 | 2013-07-31 | 上海市计量测试技术研究院 | Automatic centering device and using method thereof |
| CN103925881A (en) * | 2014-04-30 | 2014-07-16 | 中冶天工上海十三冶建设有限公司 | Method for adjusting slab casting machine fan-shaped section supporting bases in place |
| CN104249139A (en) * | 2013-06-26 | 2014-12-31 | 宝山钢铁股份有限公司 | Method for controlling gap between upper framework and lower framework of continuous casting hydraulic fan-shaped section |
| CN106225767A (en) * | 2016-07-25 | 2016-12-14 | 莱芜钢铁冶金生态工程技术有限公司 | A kind of measurement auxiliary device installed for support roller device |
| CN110487526A (en) * | 2019-08-19 | 2019-11-22 | 武汉钢铁有限公司 | Fan-shaped section foot roller state monitoring apparatus and method for diagnosing faults |
| CN111331094A (en) * | 2020-03-19 | 2020-06-26 | 中冶赛迪工程技术股份有限公司 | Centering adjusting device and method for fan-shaped section support of large square and round billet continuous casting machine |
| CN112032508A (en) * | 2020-09-27 | 2020-12-04 | 中国科学院西安光学精密机械研究所 | Adjusting method of theodolite pitching axis for astronomical observation |
| CN114577093A (en) * | 2022-05-05 | 2022-06-03 | 中钢集团西安重机有限公司 | Measuring device and measuring method for continuous casting roller |
| CN114910049A (en) * | 2022-03-17 | 2022-08-16 | 中国航发沈阳发动机研究所 | Measuring tool for measuring inclination of expanding ring in shaft cavity |
-
2006
- 2006-12-28 CN CNA2006101481644A patent/CN101210809A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886909B (en) * | 2008-12-25 | 2013-07-31 | 上海市计量测试技术研究院 | Automatic centering device and using method thereof |
| CN101549400B (en) * | 2009-05-15 | 2011-01-05 | 首钢总公司 | Implementation of submerged nozzle rapid accurate centering by using laser and monitoring method |
| CN102221329A (en) * | 2011-03-31 | 2011-10-19 | 刘海庆 | Tool for positioning and detecting sector section of continuous casting machine |
| CN104249139B (en) * | 2013-06-26 | 2016-06-01 | 宝山钢铁股份有限公司 | A kind of company casts hydraulic fan-shaped section of upper and lower frames clearance control method |
| CN104249139A (en) * | 2013-06-26 | 2014-12-31 | 宝山钢铁股份有限公司 | Method for controlling gap between upper framework and lower framework of continuous casting hydraulic fan-shaped section |
| CN103925881B (en) * | 2014-04-30 | 2019-03-15 | 中冶天工上海十三冶建设有限公司 | The adjustment installation method of fan-shaped sections of slab continuous support base |
| CN103925881A (en) * | 2014-04-30 | 2014-07-16 | 中冶天工上海十三冶建设有限公司 | Method for adjusting slab casting machine fan-shaped section supporting bases in place |
| CN106225767A (en) * | 2016-07-25 | 2016-12-14 | 莱芜钢铁冶金生态工程技术有限公司 | A kind of measurement auxiliary device installed for support roller device |
| CN106225767B (en) * | 2016-07-25 | 2018-09-04 | 莱芜钢铁冶金生态工程技术有限公司 | A kind of measurement servicing unit being used to support roller arrangement installation |
| CN110487526A (en) * | 2019-08-19 | 2019-11-22 | 武汉钢铁有限公司 | Fan-shaped section foot roller state monitoring apparatus and method for diagnosing faults |
| CN111331094A (en) * | 2020-03-19 | 2020-06-26 | 中冶赛迪工程技术股份有限公司 | Centering adjusting device and method for fan-shaped section support of large square and round billet continuous casting machine |
| CN112032508A (en) * | 2020-09-27 | 2020-12-04 | 中国科学院西安光学精密机械研究所 | Adjusting method of theodolite pitching axis for astronomical observation |
| CN112032508B (en) * | 2020-09-27 | 2021-11-16 | 中国科学院西安光学精密机械研究所 | Adjusting method of theodolite pitching axis for astronomical observation |
| CN114910049A (en) * | 2022-03-17 | 2022-08-16 | 中国航发沈阳发动机研究所 | Measuring tool for measuring inclination of expanding ring in shaft cavity |
| CN114910049B (en) * | 2022-03-17 | 2023-10-10 | 中国航发沈阳发动机研究所 | Tool for measuring inclination of shaft cavity inner expansion ring |
| CN114577093A (en) * | 2022-05-05 | 2022-06-03 | 中钢集团西安重机有限公司 | Measuring device and measuring method for continuous casting roller |
| CN114577093B (en) * | 2022-05-05 | 2022-12-20 | 中钢集团西安重机有限公司 | Measuring device and measuring method for continuous casting roller |
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Open date: 20080702 |