CN115090840B - Online monitoring and out-of-tolerance judging system for deformation of sector section mounting base of continuous casting machine - Google Patents
Online monitoring and out-of-tolerance judging system for deformation of sector section mounting base of continuous casting machine Download PDFInfo
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- CN115090840B CN115090840B CN202210751255.6A CN202210751255A CN115090840B CN 115090840 B CN115090840 B CN 115090840B CN 202210751255 A CN202210751255 A CN 202210751255A CN 115090840 B CN115090840 B CN 115090840B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/043—Curved moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/18—Controlling or regulating processes or operations for pouring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses a deformation on-line monitoring and out-of-tolerance judging system of a sector installation base of a continuous casting machine, wherein fixing plates are distributed at the upper part and the lower part of the inlet side and the outlet side of each sector installation base, the back surface of each fixing plate is installed on the sector installation base through a connecting cylinder, an adjusting mechanism is installed on a front bolt, the adjusting mechanism realizes displacement compensation after deformation, and the measuring mechanism comprises a reference block which is absolutely fixed on the sector installation base, and a range finder which is arranged on the reference block and passes through the connecting cylinder to reach the fixing plates; the data processing center monitors deformation of the upper and lower parts of the inlet and outlet sides of each sector installation base on line in real time, makes deformation out-of-tolerance judgment on each position according to the standards in the casting state and the non-casting state, alarms and displays the positions, and makes work abnormality judgment on each measuring mechanism and alarms and displays the positions according to the abrupt change condition of the deformation. The system can carry out real-time on-line monitoring, deformation out-of-tolerance judgment and work abnormality judgment on each position of each sector installation base.
Description
Technical Field
The invention relates to a continuous casting machine, in particular to a system for online monitoring deformation of a sector section mounting base of the continuous casting machine and judging out of tolerance.
Background
In a continuous casting machine, the accuracy of a sector installation base determines the arc-connection qualification rate of a foot roller of the sector of the continuous casting machine, and has a decisive influence on the quality of casting blank products. Because the number of the sector sections in the continuous casting machine is large (generally more than ten sections), the sector section mounting base is also large, the deformation of the sector section mounting base cannot be measured when a certain sector section is independently replaced, and the sector section mounting base can be measured only after all the sector sections are lifted, so that the continuous casting machine is stopped for 2-3 days, the stable operation of production is greatly influenced, and the disassembly and the assembly of each sector section are also related, so that the workload is extremely high.
Disclosure of Invention
The invention aims to provide an online deformation monitoring and out-of-tolerance judging system for a sector section installation base of a continuous casting machine, which can carry out real-time online monitoring, out-of-tolerance judging and abnormal work judging on each position of each sector section installation base.
The technical scheme adopted by the invention is as follows:
the system comprises a data processing center, a fixed plate, a connecting cylinder, a measuring mechanism and an adjusting mechanism, wherein the fixed plate, the connecting cylinder, the measuring mechanism and the adjusting mechanism are distributed at the upper part and the lower part of the inlet and outlet sides of each sector installation base; the data processing center collects and processes the data uploaded by each measuring mechanism, monitors the deformation quantity of the upper and lower parts of the inlet and outlet sides of each sector installation base on line in real time, judges the deformation out-of-tolerance of each position according to the standard in the casting state and the non-casting state, alarms and displays the corresponding position of the deformation out-of-tolerance, judges the working abnormality of each measuring mechanism according to the mutation condition of the deformation, and alarms and displays the corresponding position of the working abnormality.
Further, the data processing center carries out unique corresponding number on the data uploaded by each measuring mechanism, and corresponding position information is rapidly obtained through the number.
Further, the measuring mechanism further comprises a flexible sealing sleeve, an inner sleeve and an outer sleeve with openings at two ends, wherein the inner sleeve is arranged on the reference block and sleeved on the range finder, the outer sleeve is arranged on the connecting cylinder and matched with the connecting cylinder to be sleeved on the inner sleeve, and two ends of the flexible sealing sleeve are respectively connected with the inner sleeve and the outer sleeve in a connecting mode.
Further, when the continuous casting machine is installed or overhauled, the total station is utilized to calibrate and adjust the fixed plates at the upper and lower parts of the inlet and outlet sides of the installation base of each sector, then all sectors are installed and stabilized for a certain time, and the primary distance measured value of each measuring mechanism is taken as a reference value for measuring the backward deformation and is cleared.
Further, the deformation out-of-tolerance judging standard of the sector section mounting base in the non-pouring state is that deformation measuring value s of a measuring mechanism at the position is larger than or equal to 5mm, and deformation out-of-tolerance at the position is judged.
Further, the deformation out-of-tolerance judging standard of the sector section mounting base in the casting state is that deformation measuring value s of a measuring mechanism at the position is equal to or larger than 5mm, deformation out-of-tolerance at the position is judged, n is a correction coefficient affecting deformation out-of-tolerance judgment in the casting state, and n=n1×n2×n3; wherein n1 is a correction coefficient of the section of the casting blank, the size of the correction coefficient is related to the section width of the casting blank, n2 is a correction coefficient of the steel type, the size of the correction coefficient is related to the steel type, n3 is a correction coefficient of the sector position of the sector mounting base, and the size of the correction coefficient is related to the sector position of the sector mounting base.
Further, the section width x of the casting blank; when x is less than or equal to 800, n1=1; when x is more than 800 and less than or equal to 1000, n1=1.01; when x is more than 1000 and less than or equal to 1200, n1=1.02; when x is 1200 & lt, 1400 or less, n1=1.03; when x is more than 1400 and less than or equal to 1600, n1=1.04; when x is 1600 < 1800, n1=1.05; when x is 1800 < 2000 or less, n1=1.06; when x is more than 2000 and less than or equal to 2200, n1=1.07; 2200 < x, n1=1.08.
Further, when the steel grade is high carbon steel, n2=1.03; when the steel grade is medium carbon steel, n2=1.02; when the steel grade is low carbon steel, n2=1.01; when the steel grade is ultra low carbon steel, n2=1.
Further, when the sector section mounting base is in the sector vertical section, n3=1; when the sector section mounting base is positioned on a sector arc section, n3=2; when the sector section mounting base is in the sector horizontal section, n3=1.5.
Further, when the data of the measuring mechanism at the position is lost or the deformation measuring error in the measuring mechanism 10s at the position under the same state is more than or equal to 20mm, judging that the measuring mechanism at the position fails or needs to be calibrated, and alarming and displaying the corresponding position of the measuring mechanism failing or needing to be calibrated.
The beneficial effects of the invention are as follows:
the system has simple structure, convenient installation and low price;
in the system, when the fixed plate deforms, the connecting cylinder deforms together, but the position of the range finder is fixed and does not displace, so that the deformation result of the bottom surface of the fixed plate can be directly measured through the hollow structure of the connecting cylinder, and the measuring mechanisms are distributed at the upper and lower parts of the inlet and outlet sides of each sector installation base, so that the deformation of the upper and lower parts of the inlet and outlet sides of each sector installation base can be monitored on line in real time, and the problem that the deformation of the existing sector installation base cannot be detected and adjusted difficultly is solved;
in the system, the adjusting mechanism realizes displacement compensation after deformation through adjusting the gasket, the adjustment is convenient, the deformation quantity reference is provided, and the adjustment is accurate;
in the system, deformation out-of-tolerance judgment is carried out according to the standards in the casting state and the non-casting state, the influence of each condition on deformation in casting is considered, and the condition that the standard is too tight or too loose after being in one state is avoided;
in the system, the abnormal work judgment is carried out on each measuring mechanism according to the abrupt change condition of the deformation quantity, so that the system is safe and efficient.
Drawings
Fig. 1 is a top view of an overall layout of a system for online monitoring of deformation of a sector installation base of a continuous casting machine and for out-of-tolerance determination in an embodiment of the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a top view of a deformation on-line monitoring and out-of-tolerance determination system for a fan-shaped section of a continuous casting machine in accordance with an embodiment of the present invention.
Fig. 4 is a side view of a continuous casting machine segment mounting base deformation on-line monitoring and out-of-tolerance determination system on a first segment mounting base in an embodiment of the present invention.
In the figure: 1-a sector section mounting base; 2-a measuring mechanism; 2.1-signal transmitter; 2.2-reference blocks; 2.3-rangefinder; 2.4-an inner sleeve; 2.5-an outer sleeve; 2.6-flexible sealing sleeves; 3-a fixed plate on the inlet side; 4-an adjusting mechanism; 5-sector segments; 6-a fixed plate on the outlet side; 7-a bolt; 8-connecting cylinder.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1 to 4, the online deformation monitoring and out-of-tolerance judging system for the installation base of the fan-shaped section of the continuous casting machine comprises a data processing center, a fixed plate, a connecting cylinder 8, a measuring mechanism 2 and an adjusting mechanism 4, wherein the fixed plate, the connecting cylinder 8, the measuring mechanism 2 and the adjusting mechanism 4 are distributed at the upper part and the lower part of the inlet side and the outlet side of each installation base 1 of the fan-shaped section, the back surface of the fixed plate is installed on the installation base 1 of the fan-shaped section through the connecting cylinder 8, the adjusting mechanism 4 is installed on the front bolt 7, the adjusting mechanism 4 realizes displacement compensation after deformation through an adjusting gasket, and the measuring mechanism 2 comprises a reference block 2.2 which is absolutely fixed on the installation base 1 of the fan-shaped section, and a range finder 2.3 which is arranged on the reference block 2.2 and passes through the connecting cylinder 8 to reach the fixed plate; the data processing center collects and processes the data uploaded by each measuring mechanism 2, monitors the deformation quantity of the upper and lower parts of the inlet and outlet sides of each sector installation base 1 on line in real time, judges the deformation out-of-tolerance of each position according to the standard in the casting state and the non-casting state, alarms and displays the corresponding position of the deformation out-of-tolerance, judges the working abnormality of each measuring mechanism 2 according to the mutation condition of the deformation, and alarms and displays the corresponding position of the working abnormality.
In this embodiment, the data processing centerAnd carrying out unique corresponding numbering on the data uploaded by each measuring mechanism 2, and rapidly acquiring corresponding position information through the numbering. If the continuous casting machine has K sector 5, K sector mounting bases 1 are provided, the sector mounting bases 1 are numbered 1 to K, the upper and lower inlet fixing plates 3 are numbered (1) and (2) respectively, the upper and lower outlet fixing plates 6 are numbered (3) and (4) respectively, and if the deformation measurement value uploaded by the measuring mechanism 2 at the upper outlet side of the second sector mounting base 1 is the deformation measurement value, the number is a 2③ If the deformation measurement value uploaded by the measuring mechanism 2 at the lower part of the inlet side of the K-th segment sector installation base 1 is the deformation measurement value, the number is a k② 。
As shown in fig. 2 and 3, in this embodiment, the measuring mechanism 2 further includes a flexible sealing sleeve 2.6, and an inner sleeve 2.4 and an outer sleeve 2.5 with two open ends, the inner sleeve 2.4 is installed on the reference block 2.2 and sleeved on the rangefinder 2.3, the outer sleeve 2.5 is installed on the connecting tube 2.8 and matched with and sleeved on the inner sleeve 2.4, two ends of the flexible sealing sleeve 2.6 are respectively connected with the inner sleeve 2.4 and the outer sleeve 2.5, the flexible sealing sleeve 2.6, the inner sleeve 2.4 and the outer sleeve 2.5 protect the rangefinder 2.3, so that the influence of secondary cooling water and dust of the continuous casting machine on measuring precision is eliminated, and the working temperature of the rangefinder 2.3 is reduced. In the present embodiment, the distance meter 2.3 is electrically connected to the data processing center via a signal transmitter 2.1.
In this embodiment, when the continuous casting machine is installed or overhauled, the total station is used to calibrate and adjust the fixing plates at the upper and lower parts of the inlet and outlet sides of each sector installation base 1, then all sectors 5 are installed and stabilized for a certain time (for example, 1 hour), and then the initial distance measurement value of each measuring mechanism 2 is used as the reference value for measuring the backward deformation quantity and cleared.
In the embodiment, the deformation out-of-tolerance judging standard of the sector section mounting base 1 in the non-pouring state is that deformation out-of-tolerance of the position is judged when deformation measurement value s, s is more than or equal to 5mm of the measuring mechanism 2 at the position.
In the embodiment, the deformation out-of-tolerance judging standard of the sector section mounting base 1 in the casting state is that the deformation measuring value s, s/n of the measuring mechanism 2 at the position is larger than or equal to 5mm, the deformation out-of-tolerance at the position is judged, n is a correction coefficient affecting the deformation out-of-tolerance judgment in the casting state, and n=n1×n2×n3; wherein n1 is a correction coefficient of the section of the casting blank, the size of the correction coefficient is related to the section width of the casting blank, n2 is a correction coefficient of the steel type, the size of the correction coefficient is related to the steel type, n3 is a correction coefficient of the sector position of the sector mounting base 1, and the size of the correction coefficient is related to the sector position of the sector mounting base 1.
The section width x of the casting blank; when x is less than or equal to 800, n1=1; when x is more than 800 and less than or equal to 1000, n1=1.01; when x is more than 1000 and less than or equal to 1200, n1=1.02; when x is 1200 & lt, 1400 or less, n1=1.03; when x is more than 1400 and less than or equal to 1600, n1=1.04; when x is 1600 < 1800, n1=1.05; when x is 1800 < 2000 or less, n1=1.06; when x is more than 2000 and less than or equal to 2200, n1=1.07; 2200 < x, n1=1.08.
When the steel grade is high carbon steel, n2=1.03; when the steel grade is medium carbon steel, n2=1.02; when the steel grade is low carbon steel, n2=1.01; when the steel grade is ultra low carbon steel, n2=1.
TABLE 1 coefficient values of n1×n2 under different steel grades and section conditions
When the sector section mounting base 1 is in a sector vertical section (as in the first section in fig. 1), n3=1; when the sector mounting base 1 is in a sector arc segment (as in the m-th to n-1 th segments in fig. 1), n3=2; when the sector mounting base 1 is in a sector horizontal section (as in the nth through kth sections in fig. 1), n3=1.5.
In this embodiment, when the data of the measuring mechanism 2 at the location is lost, or the deformation measurement error of the measuring mechanism 2 at the location within 10s under the same state is not less than 20mm, it is determined that the measuring mechanism 2 at the location fails or needs to be calibrated, and the corresponding position where the measuring mechanism 2 fails or needs to be calibrated is displayed in an alarm mode.
The system has simple structure, convenient installation and low price; in the system, when the fixed plate deforms, the connecting cylinder 8 deforms together, but the position of the range finder 2.3 is fixed and does not displace, so that the deformation result of the bottom surface of the fixed plate can be directly measured through the hollow structure of the connecting cylinder 8, and the measuring mechanisms 2 are distributed at the upper and lower parts of the inlet and outlet sides of each sector installation base 1, so that the deformation of the upper and lower parts of the inlet and outlet sides of each sector installation base 1 can be monitored on line in real time, and the problem that the deformation of the existing sector installation base 1 cannot be detected and adjusted difficultly is solved; in the system, the adjusting mechanism 4 realizes displacement compensation after deformation through adjusting the gasket, the adjustment is convenient, and the adjustment is accurate due to deformation quantity reference; in the system, deformation out-of-tolerance judgment is carried out according to the standards in the casting state and the non-casting state, the influence of each condition on deformation in casting is considered, and the condition that the standard is too tight or too loose after being in one state is avoided; in this system, the abnormality determination is made for each measuring mechanism 2 based on the abrupt change of the deformation amount, and the system is safe and efficient.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (10)
1. A continuous casting machine sector section installation base deformation on-line monitoring and out-of-tolerance judging system is characterized in that: the device comprises a data processing center, a fixed plate, a connecting cylinder, a measuring mechanism and an adjusting mechanism, wherein the fixed plate, the connecting cylinder, the measuring mechanism and the adjusting mechanism are distributed at the upper and lower parts of the inlet and outlet sides of each sector installation base; the data processing center collects and processes the data uploaded by each measuring mechanism, monitors the deformation quantity of the upper and lower parts of the inlet and outlet sides of each sector installation base on line in real time, judges the deformation out-of-tolerance of each position according to the standard in the casting state and the non-casting state, alarms and displays the corresponding position of the deformation out-of-tolerance, judges the working abnormality of each measuring mechanism according to the mutation condition of the deformation, and alarms and displays the corresponding position of the working abnormality.
2. The online deformation monitoring and out-of-tolerance judging system for a sector installation base of a continuous casting machine according to claim 1, wherein: the data processing center carries out unique corresponding numbering on the data uploaded by each measuring mechanism, and corresponding position information is rapidly obtained through the numbering.
3. The online deformation monitoring and out-of-tolerance judging system for a sector installation base of a continuous casting machine according to claim 1, wherein: the measuring mechanism further comprises a flexible sealing sleeve, an inner sleeve and an outer sleeve, wherein the two ends of the inner sleeve are provided with openings, the inner sleeve is arranged on the reference block and sleeved on the range finder, the outer sleeve is arranged on the connecting cylinder and matched with the connecting cylinder to be sleeved on the inner sleeve, and the two ends of the flexible sealing sleeve are respectively connected with the inner sleeve and the outer sleeve.
4. The online deformation monitoring and out-of-tolerance judging system for a sector installation base of a continuous casting machine according to claim 1, wherein: when the continuous casting machine is installed or overhauled, the total station is utilized to calibrate and adjust the fixed plates at the upper and lower parts of the inlet and outlet sides of the installation base of each sector, then all sectors are installed and stabilized for a certain time, and the primary distance measured value of each measuring mechanism is taken as a reference value for measuring the backward deformation and is cleared.
5. The online deformation monitoring and out-of-tolerance judging system for a sector installation base of a continuous casting machine according to claim 1, wherein: the deformation out-of-tolerance judging standard of the sector section mounting base in the non-pouring state is that deformation measuring value s of a measuring mechanism at the position is larger than or equal to 5mm, and deformation out-of-tolerance at the position is judged.
6. The online deformation monitoring and out-of-tolerance judging system for a sector installation base of a continuous casting machine according to claim 1, wherein: the deformation out-of-tolerance judging standard of the sector section mounting base in the pouring state is that deformation measurement s, s/n of a measuring mechanism at the position is larger than or equal to 5mm, deformation out-of-tolerance at the position is judged, n is a correction coefficient affecting deformation out-of-tolerance judgment in the pouring state, and n=n1×n2×n3; wherein n1 is a correction coefficient of the section of the casting blank, the size of the correction coefficient is related to the section width of the casting blank, n2 is a correction coefficient of the steel type, the size of the correction coefficient is related to the steel type, n3 is a correction coefficient of the sector position of the sector mounting base, and the size of the correction coefficient is related to the sector position of the sector mounting base.
7. The online deformation monitoring and out-of-tolerance judging system for a sector installation base of a continuous casting machine according to claim 6, wherein: the section width x of the casting blank; when x is less than or equal to 800, n1=1; when x is more than 800 and less than or equal to 1000, n1=1.01; when x is more than 1000 and less than or equal to 1200, n1=1.02; when x is 1200 & lt, 1400 or less, n1=1.03; when x is more than 1400 and less than or equal to 1600, n1=1.04; when x is 1600 < 1800, n1=1.05; when x is 1800 < 2000 or less, n1=1.06; when x is more than 2000 and less than or equal to 2200, n1=1.07; 2200 < x, n1=1.08.
8. The online deformation monitoring and out-of-tolerance judging system for a sector installation base of a continuous casting machine according to claim 6, wherein: when the steel grade is high carbon steel, n2=1.03; when the steel grade is medium carbon steel, n2=1.02; when the steel grade is low carbon steel, n2=1.01; when the steel grade is ultra low carbon steel, n2=1.
9. The online deformation monitoring and out-of-tolerance judging system for a sector installation base of a continuous casting machine according to claim 6, wherein: when the sector section mounting base is in the sector vertical section, n3=1; when the sector section mounting base is positioned on a sector arc section, n3=2; when the sector section mounting base is in the sector horizontal section, n3=1.5.
10. The online deformation monitoring and out-of-tolerance judging system for a sector installation base of a continuous casting machine according to claim 1, wherein: when the data of the measuring mechanism at the position is lost or the deformation measurement error in the measuring mechanism 10s at the position under the same state is more than or equal to 20mm, judging that the measuring mechanism at the position fails or needs to be calibrated, and alarming and displaying the corresponding position of the measuring mechanism failing or needing to be calibrated.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310181A (en) * | 2011-08-05 | 2012-01-11 | 河北钢铁股份有限公司邯郸分公司 | Dynamic slight press fan-shaped section deformation on-line measuring and compensating 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 |
| WO2016004682A1 (en) * | 2014-07-09 | 2016-01-14 | 北京科技大学 | Continuous casting machine sector section for deep pressing of continuous casting blank solidification tail end and deep pressing method for continuous casting blank solidification tail end |
| CN107414048A (en) * | 2017-08-14 | 2017-12-01 | 中冶赛迪工程技术股份有限公司 | A kind of method of continuous casting billet fan-shaped section deformation in line compensation |
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- 2022-06-28 CN CN202210751255.6A patent/CN115090840B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310181A (en) * | 2011-08-05 | 2012-01-11 | 河北钢铁股份有限公司邯郸分公司 | Dynamic slight press fan-shaped section deformation on-line measuring and compensating 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 |
| WO2016004682A1 (en) * | 2014-07-09 | 2016-01-14 | 北京科技大学 | Continuous casting machine sector section for deep pressing of continuous casting blank solidification tail end and deep pressing method for continuous casting blank solidification tail end |
| CN107414048A (en) * | 2017-08-14 | 2017-12-01 | 中冶赛迪工程技术股份有限公司 | A kind of method of continuous casting billet fan-shaped section deformation in line compensation |
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