CN113798332B - Centering measuring device and measuring method for guide ruler of rolling mill - Google Patents
Centering measuring device and measuring method for guide ruler of rolling mill Download PDFInfo
- Publication number
- CN113798332B CN113798332B CN202110956696.5A CN202110956696A CN113798332B CN 113798332 B CN113798332 B CN 113798332B CN 202110956696 A CN202110956696 A CN 202110956696A CN 113798332 B CN113798332 B CN 113798332B
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- rolling mill
- measuring
- fixed platen
- guide
- tape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to a centering measuring device and a measuring method for a guide ruler of a rolling mill, wherein the measuring device comprises a fixed platen, a measuring carriage, a measuring tape and a switch type magnetic seat; the two ends of the fixed bedplate are respectively provided with a switch type magnetic seat; the measuring carriage is in sliding connection with the fixed platen and can slide along the longitudinal direction of the fixed platen; the tape measure is fixed on the measuring carriage; during measurement, two ends of the fixed platen are fixedly connected with the mill inlet housing and the mill outlet housing respectively through corresponding switch type magnetic seats; the moving direction of the scale of the tape measure is perpendicular to the rolling direction of the rolling mill. The measuring device provided by the invention has the advantages of simple structure, convenience in operation, high measuring precision and high reliability, can rapidly measure the centering deviation of the guide rule of the rolling mill, is beneficial to quality monitoring of the rolling process, equipment overhaul and maintenance, and ensures stable production.
Description
Technical Field
The invention relates to a device in the technical field of rolling mill installation and overhaul, in particular to a device and a method for centering and measuring a guide rule of a rolling mill.
Background
The centering correction of the guide rule is an important item for ensuring the precision of the rolling mill and carrying out daily maintenance on the rolling mill and is used for preventing the guide from deviating; the guide centering measurement comprises centering measurement of the guide of the heavy-point rack when an accident occurs, regular guide centering measurement according to maintenance period and production requirements, and the like. When rolling the thin material, the guide deviation can cause accidents such as tail flick, steel clamping and the like, and under the condition, guide centering measurement is needed to be carried out, and correction is carried out on the basis. Therefore, the guide centering measurement has important significance for preventing the guide from deviating, guiding maintenance and guaranteeing the safe production of the rolling mill and realizing scientific management of the steel rolling production in the running process of the rolling mill.
The production specifications of the hot rolling lines are various, and side bending caused by variety change seriously damages the guide rule structure; especially, the guide is long in machine time, the abrasion of local parts is large, and the frequency of the guide centering measurement is also required to be increased correspondingly. In the production of hot rolled strip steel, a guide rule is a key device for realizing centering rolling of strip steel with different widths, each finish rolling mill is provided with the guide rule, and the guide rule centering of any rolling mill has defects, so that the strip steel is directly caused to deviate in the rolling process, and tail flicking accidents and even rolling breakage accidents are caused.
The accuracy of guide centering measurement is also an important factor for guaranteeing rolling stability and realizing production smooth operation, and in the normal case, the guide centering measurement is carried out by a worker by using a tape measure, more than two persons are needed to cooperate, and in the measuring process, deviation exists in the guide centering measurement due to human factors; in addition, when the rolling mill overhauls, the time for centering and measuring the guide rule is reserved to be short, so that a device and a method for quickly, simply and accurately measuring the centering of the guide rule are urgently needed.
Disclosure of Invention
The invention provides a centering measuring device and a centering measuring method for a rolling mill guide, which have the advantages of simple structure, convenience in operation, high measuring precision and high reliability, are capable of rapidly measuring centering deviation of the rolling mill guide, are beneficial to quality monitoring of a rolling process, and ensure stable production.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
a centering measuring device for a rolling mill guide ruler comprises a fixed platen, a measuring carriage, a tape measure and a switch type magnetic seat; the two ends of the fixed bedplate are respectively provided with a switch type magnetic seat; the measuring carriage is in sliding connection with the fixed platen and can slide along the longitudinal direction of the fixed platen; the tape measure is fixed on the measuring carriage; during measurement, two ends of the fixed platen are fixedly connected with the mill inlet housing and the mill outlet housing respectively through corresponding switch type magnetic seats; the moving direction of the scale of the tape measure is perpendicular to the rolling direction of the rolling mill.
Slide ways are respectively arranged on two sides of the fixed bedplate; the measuring carriage consists of a door-shaped frame and a tape fixing seat, wherein two ends of the door-shaped frame respectively slide with the slideway in a matched manner through rollers, and the tape fixing seat is arranged in the middle of the door-shaped frame; the top of the tape measure fixing seat is provided with a scale telescopic guide groove.
The measuring tape fixing seat is provided with a bolt hole, and the measuring tape is detachably connected with the measuring tape fixing seat through the bolt.
A rolling mill guide centering measurement method comprises the following steps:
1) Measuring at a working side;
firstly, placing a fixed platen in a measuring device between an inlet housing of a rolling mill and an outlet housing of the rolling mill at two ends of a working side, starting a magnetic switch on a switch type magnetic seat, and adsorbing and fixing two ends of the fixed platen on the inner side walls of the inlet housing of the rolling mill and the outlet housing of the rolling mill; and making the longitudinal center line of the fixed platen parallel to the rolling center line of the rolling mill;
step two, the working roll of the rolling mill is pulled out, the rolling mill guide rule is moved into the rolling mill and is positioned at a working position, and then the rolling mill guide rule is locked and fixed by a safety pin;
moving the measuring carriage longitudinally along the fixed platen to enable the measuring tape to be aligned with the end part of the side guide plate corresponding to the guide rule of the rolling mill, wherein the horizontal height of the measuring tape after extending out is level with the top of the side guide plate; pulling out the scale of the tape measure from the scale telescopic guide groove, and measuring the distance from the scale to the inner side surface of the corresponding side guide plate;
2) A transmission side measurement;
firstly, placing a fixed platen in a measuring device between an inlet housing of a rolling mill and an outlet housing of the rolling mill at two ends of a transmission side, starting a magnetic switch on a switch type magnetic seat, and adsorbing and fixing two ends of the fixed platen at the inner sides of the inlet housing of the rolling mill and the outlet housing of the rolling mill; and making the longitudinal center line of the fixed platen parallel to the rolling center line of the rolling mill;
step two, moving a rolling mill guide rule into a rolling mill and enabling the rolling mill guide rule to be in a working position, and then locking and fixing the rolling mill guide rule by a safety pin;
moving the measuring carriage longitudinally along the fixed platen to enable the measuring tape to be aligned with the end part of the side guide plate corresponding to the guide rule of the rolling mill, wherein the horizontal height of the measuring tape after extending out is level with the top of the side guide plate; pulling out the scale of the tape measure from the scale telescopic guide groove, and measuring the distance from the scale to the inner side surface of the corresponding side guide plate;
3) And determining the deviation between the center line of the guide plate of the rolling mill and the center line of the rolling mill according to the working measurement data and the transmission side measurement data.
Compared with the prior art, the invention has the beneficial effects that:
the device simple structure, convenient operation can quick measuring mill guide's centering deviation, and measurement accuracy is high, and the reliability is strong, is favorable to steel rolling process quality monitoring, equipment maintenance, ensures that production is gone on steadily.
Drawings
Fig. 1 is a schematic perspective view of a centering and measuring device for a guide of a rolling mill.
Fig. 2 is a partial enlarged view of fig. 1.
Fig. 3 is a schematic perspective view of the measuring carriage according to the invention.
Fig. 4 is a schematic view of the measuring device according to the invention in a working-side measuring side guide.
FIG. 5 is a schematic view of the measuring device of the present invention in a second working side measuring side guide.
In the figure: 1. measuring device 11, fixed platen 12, measuring carriage 13, measuring tape fixing seat 14, switch magnetic seat 15, slideway 16, scale telescopic guide groove 17, bolt hole 18, roller 2, rolling mill inlet housing 3, rolling mill outlet housing 4, side guide plate one 5, side guide plate two 6, measuring tape
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
as shown in fig. 1 and 2, the guide centering measuring device of the rolling mill comprises a fixed platen 11, a measuring carriage 12, a tape 6 and a switch magnetic seat 14; the two ends of the fixed bedplate 11 are respectively provided with a switch type magnetic seat 14; the measuring carriage 12 is slidably connected to the fixed platen 11 and is slidable in the longitudinal direction of the fixed platen 11; the tape measure 6 is fixed on the measuring carriage 12; during measurement, two ends of the fixed platen 11 are fixedly connected with the mill inlet housing 2 and the mill outlet housing 3 through corresponding switch magnetic seats 14 respectively; the scale movement direction of the tape 6 is perpendicular to the rolling direction of the rolling mill.
Slide ways 15 are respectively arranged on two sides of the fixed bedplate 11; as shown in fig. 3, the measuring carriage 12 is composed of a door-shaped frame and a tape fixing seat 13, two ends of the door-shaped frame respectively slide with a slideway 15 in a matched manner through rollers 18, and the tape fixing seat 13 is arranged in the middle of the door-shaped frame; the top of the tape measure fixing seat 13 is provided with a scale telescopic guide groove 16.
The tape measure fixing seat 13 is provided with a bolt hole 17, and the tape measure 6 is detachably connected with the tape measure fixing seat 13 through a bolt.
A rolling mill guide centering measurement method comprises the following steps:
1) Working side measurements (as shown in fig. 4);
firstly, placing a fixed platen 11 in a measuring device 1 between a rolling mill inlet housing 2 and a rolling mill outlet housing 3 at two ends of a working side, starting a magnetic switch on a switch type magnetic seat 14, and adsorbing and fixing two ends of the fixed platen 11 on inner side walls of the rolling mill inlet housing 2 and the rolling mill outlet housing 3; and the longitudinal center line of the fixed platen 11 is made parallel to the rolling center line of the rolling mill;
step two, the working roll of the rolling mill is pulled out, the rolling mill guide rule is moved into the rolling mill and is positioned at a working position, and then the rolling mill guide rule is locked and fixed by a safety pin;
moving the measuring carriage 12 longitudinally along the fixed platen 11 to enable the measuring tape 6 to be aligned with the end part of the corresponding side guide plate of the rolling mill guide rule, and enabling the horizontal height of the measuring tape 6 after extending out to be level with the top of the side guide plate; pulling out the scale of the tape measure 6 from the scale telescopic guide groove 16, and measuring the distance from the scale to the inner side surface of the corresponding side guide plate;
2) Transmission side measurement (as shown in fig. 5);
firstly, placing a fixed platen 11 in a measuring device 1 between a rolling mill inlet housing 2 and a rolling mill outlet housing 3 at two ends of a transmission side, starting a magnetic switch on a switch type magnetic seat 14, and adsorbing and fixing two ends of the fixed platen 11 at the inner sides of the rolling mill inlet housing 2 and the rolling mill outlet housing 3; and the longitudinal center line of the fixed platen 11 is made parallel to the rolling center line of the rolling mill;
step two, moving a rolling mill guide rule into a rolling mill and enabling the rolling mill guide rule to be in a working position, and then locking and fixing the rolling mill guide rule by a safety pin;
moving the measuring carriage 12 longitudinally along the fixed platen 11 to enable the measuring tape 6 to be aligned with the end part of the corresponding side guide plate of the rolling mill guide rule, and enabling the horizontal height of the measuring tape 6 after extending out to be level with the top of the side guide plate; pulling out the scale of the tape measure 6 from the scale telescopic guide groove 16, and measuring the distance from the scale to the inner side surface of the corresponding side guide plate;
3) And determining the deviation between the center line of the guide plate of the rolling mill and the center line of the rolling mill according to the working measurement data and the transmission side measurement data.
The following examples are given by way of illustration of detailed embodiments and specific procedures based on the technical scheme of the present invention, but the scope of the present invention is not limited to the following examples.
[ example ]
In this embodiment, the measuring device 1 is first manufactured and includes a fixed platen 11 and a measuring carriage 12, the main body of the measuring carriage 12 is a door-shaped frame, rollers 18 are arranged at the bottoms of two ends, the rollers 18 are embedded in slide ways 15 at two sides of the fixed platen 11, and the measuring carriage 12 can move longitudinally along the fixed platen 11 through cooperation of the rollers 18 and the slide ways 15.
A measuring tape fixing bracket 13 is arranged at the center of the measuring carriage 12, the measuring tape fixing bracket 13 is fixed on the door-shaped frame, the measuring tape fixing bracket 13 is welded and fixed with the door-shaped frame, the measuring tape fixing bracket 13 consists of 2 parallel vertical plates, and a bolt hole 17 is formed in the middle for fixing the measuring tape 6 through a bolt; the top of the door-shaped frame is provided with a scale telescopic guide groove 16 corresponding to the opening of the tape 6.
The rolling mill guide rule is of an integral structure, a first side guide plate 4 and a second side guide plate 5 are respectively arranged on two sides, the first side guide plate 4 is correspondingly arranged on the working side, and the second side guide plate 5 is correspondingly arranged on the transmission side. When the centering value of the guide rule of the rolling mill is measured, the centering size of the first side guide plate 4 is measured in two steps, the centering size of the second side guide plate 5 is measured for the first time, the two measuring methods are the same, and finally the deviation between the center line of the guide rule of the rolling mill and the center line of the rolling mill is converted.
Before the measurement starts, the working rolls of the measured stand are pulled out according to the regulations of safety regulations, the rolling mill guide is moved into the rolling mill to be in the working position when rolling steel, and then the rolling mill guide is locked by a safety pin.
The measuring tape 6 is fixed on a measuring tape fixing seat 13, and a fixed platen 11 is fixed on the inner side walls of an inlet housing 2 and an outlet housing 3 of a working side rolling mill through a switch type magnetic seat 14, so that the horizontal height of the measuring tape 6 after the measuring tape is pulled out is level with the top of a side guide plate I; the measuring carriage 12 is moved to align the scale of the tape 6 with the inner end of the first side guide 4, the scale in the tape 6 is pulled out through the scale extension guide 16, and the scale is horizontally pulled toward the first side guide 4, and the linear distance from the scale to the inner side surface of the first side guide 4 is measured.
After the measurement process is finished, the magnetic switch of the switch type magnetic seat is closed, the measurement device 1 is taken down, then the measurement device 1 is moved to the transmission side, the centering size of the second side guide plate 5 is measured, and the measurement process is the same as that of the working side.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (1)
1. The rolling mill guide centering measurement method is realized based on a rolling mill guide centering measurement device and is characterized by comprising a fixed platen, a measurement carriage, a measuring tape and a switch type magnetic seat; the two ends of the fixed bedplate are respectively provided with a switch type magnetic seat; the measuring carriage is in sliding connection with the fixed platen and can slide along the longitudinal direction of the fixed platen; the tape measure is fixed on the measuring carriage; during measurement, two ends of the fixed platen are fixedly connected with the mill inlet housing and the mill outlet housing respectively through corresponding switch type magnetic seats; the moving direction of the ruler of the tape measure is perpendicular to the rolling direction of the rolling mill; slide ways are respectively arranged on two sides of the fixed bedplate; the measuring carriage consists of a door-shaped frame and a tape fixing seat, wherein two ends of the door-shaped frame respectively slide with the slideway in a matched manner through rollers, and the tape fixing seat is arranged in the middle of the door-shaped frame; the top of the tape measure fixing seat is provided with a scale telescopic guide groove; the measuring tape fixing seat is provided with a bolt hole, and the measuring tape is detachably connected with the measuring tape fixing seat through the bolt;
the rolling mill guide centering measurement method comprises the following steps:
1) Measuring at a working side;
firstly, placing a fixed platen in a measuring device between an inlet housing of a rolling mill and an outlet housing of the rolling mill at two ends of a working side, starting a magnetic switch on a switch type magnetic seat, and adsorbing and fixing two ends of the fixed platen on the inner side walls of the inlet housing of the rolling mill and the outlet housing of the rolling mill; and making the longitudinal center line of the fixed platen parallel to the rolling center line of the rolling mill;
step two, the working roll of the rolling mill is pulled out, the rolling mill guide rule is moved into the rolling mill and is positioned at a working position, and then the rolling mill guide rule is locked and fixed by a safety pin;
moving the measuring carriage longitudinally along the fixed platen to enable the measuring tape to be aligned with the end part of the side guide plate corresponding to the guide rule of the rolling mill, wherein the horizontal height of the measuring tape after extending out is level with the top of the side guide plate; pulling out the scale of the tape measure from the scale telescopic guide groove, and measuring the distance from the scale to the inner side surface of the corresponding side guide plate;
2) A transmission side measurement;
firstly, placing a fixed platen in a measuring device between an inlet housing of a rolling mill and an outlet housing of the rolling mill at two ends of a transmission side, starting a magnetic switch on a switch type magnetic seat, and adsorbing and fixing two ends of the fixed platen at the inner sides of the inlet housing of the rolling mill and the outlet housing of the rolling mill; and making the longitudinal center line of the fixed platen parallel to the rolling center line of the rolling mill;
step two, moving a rolling mill guide rule into a rolling mill and enabling the rolling mill guide rule to be in a working position, and then locking and fixing the rolling mill guide rule by a safety pin;
moving the measuring carriage longitudinally along the fixed platen to enable the measuring tape to be aligned with the end part of the side guide plate corresponding to the guide rule of the rolling mill, wherein the horizontal height of the measuring tape after extending out is level with the top of the side guide plate; pulling out the scale of the tape measure from the scale telescopic guide groove, and measuring the distance from the scale to the inner side surface of the corresponding side guide plate;
3) And determining the deviation between the center line of the guide plate of the rolling mill and the center line of the rolling mill according to the working side measurement data and the transmission side measurement data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110956696.5A CN113798332B (en) | 2021-08-19 | 2021-08-19 | Centering measuring device and measuring method for guide ruler of rolling mill |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110956696.5A CN113798332B (en) | 2021-08-19 | 2021-08-19 | Centering measuring device and measuring method for guide ruler of rolling mill |
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| Publication Number | Publication Date |
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| CN113798332A CN113798332A (en) | 2021-12-17 |
| CN113798332B true CN113798332B (en) | 2023-08-18 |
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| CN202110956696.5A Active CN113798332B (en) | 2021-08-19 | 2021-08-19 | Centering measuring device and measuring method for guide ruler of rolling mill |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114509037B (en) * | 2021-12-30 | 2023-09-22 | 本钢板材股份有限公司 | Method for calibrating opening degree of vertical roller or guide rule of rolling mill |
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| CN200993560Y (en) * | 2006-12-19 | 2007-12-19 | 鞍钢股份有限公司 | Rolling mill front-rear guide rule opening measuring scale |
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| CN105880298A (en) * | 2015-01-26 | 2016-08-24 | 鞍钢股份有限公司 | Centering calibration method for rolling center line |
| CN206356369U (en) * | 2016-12-28 | 2017-07-28 | 刘辉 | A kind of rolling mill guiding centralising device |
| CN109365549A (en) * | 2018-10-09 | 2019-02-22 | 鞍钢股份有限公司 | A kind of scaling method of finish rolling entrance guide wheel |
| EP3819035A1 (en) * | 2019-11-08 | 2021-05-12 | Primetals Technologies Limited | Method of controlling a roll gap in a rolling mill |
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2021
- 2021-08-19 CN CN202110956696.5A patent/CN113798332B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN200993560Y (en) * | 2006-12-19 | 2007-12-19 | 鞍钢股份有限公司 | Rolling mill front-rear guide rule opening measuring scale |
| CN201346563Y (en) * | 2009-01-13 | 2009-11-18 | 宝山钢铁股份有限公司 | Aided measuring tool for measuring opening degree and centration of vertical rolling mill |
| CN104266630A (en) * | 2014-09-02 | 2015-01-07 | 中国水利水电科学研究院 | High-precision terrain measuring system |
| CN105880298A (en) * | 2015-01-26 | 2016-08-24 | 鞍钢股份有限公司 | Centering calibration method for rolling center line |
| CN204555860U (en) * | 2015-05-19 | 2015-08-12 | 王冰玉 | Special wide range linear measure longimetry tape measure surveyed and drawn by a kind of building |
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| EP3819035A1 (en) * | 2019-11-08 | 2021-05-12 | Primetals Technologies Limited | Method of controlling a roll gap in a rolling mill |
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| CN113798332A (en) | 2021-12-17 |
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