CN112808783A - Equipment and method for completing steel coil width centering on walking beam - Google Patents
Equipment and method for completing steel coil width centering on walking beam Download PDFInfo
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- CN112808783A CN112808783A CN202011418265.5A CN202011418265A CN112808783A CN 112808783 A CN112808783 A CN 112808783A CN 202011418265 A CN202011418265 A CN 202011418265A CN 112808783 A CN112808783 A CN 112808783A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 69
- 239000010959 steel Substances 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims description 15
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 230000001960 triggered effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 17
- 230000005484 gravity Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/14—Guiding, positioning or aligning work
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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
- B21B38/04—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring thickness, width, diameter or other transverse dimensions of the product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
The invention discloses equipment for finishing steel coil width centering on a walking beam, which comprises a large steel coil, a small steel coil, a width centering trolley, a fixed saddle, a cantilever support, a position sensor, an ultrasonic sensor and a temperature sensor, wherein the small steel coil is arranged at the bottom of the inner side of the large steel coil, the width centering trolley is arranged at the bottoms of the large steel coil and the small steel coil, the walking beam is fixedly arranged at the bottom of a sliding rail, the cantilever support is arranged at the front end of the fixed saddle, the ultrasonic sensor is arranged at the inner side end of the top of the cantilever support, the temperature sensor is arranged at the front end of the top of the cantilever support, a rotating shaft is arranged in the middle of the bottom of the cantilever support, the front end of the rotating shaft is connected with an oil cylinder, the position sensor is arranged at the bottom of the front end of the cantilever support, the, the automatic production efficiency is improved, the effect of simplifying personnel is achieved, full-automatic operation is achieved, safety and reliability are achieved, measurement is accurate, and maintenance is simple and easy.
Description
Technical Field
The invention relates to the technical field of hot rolling finishing area leveling trimming production lines, in particular to equipment and a method for finishing steel coil width centering on a walking beam.
Background
The width of the steel coil at the inlet of the traditional hot rolling finishing line is centered and finished at the first position of the walking beam, and the width of the steel coil is adjusted by the steel coil transport trolley according to the data detected by the laser range finder. The control principle is as follows: the coil of strip travelling bogie need transport the coil of strip from 3# saddle position to 4# saddle position department, and accomplish the width centering on 4# saddle position, and laser range finder installs between 3# and 4# saddle (it is perpendicular with dolly line of marcing), after the coil of strip passes through laser range finder, PLC can accurately calculate the width of coil of strip according to the pulse signal of laser range finder feedback, calculate the stroke of coil of strip travelling bogie according to the width of coil of strip again, also be the central point that the coil of strip placed 4# saddle department (on the central line of walking beam).
In the prior art, the incoming steel coil generally has the coil shape defect of tower shape or edge overflow, so that the width detected by the laser range finder is often larger than an actual value, and the gravity center position of the steel coil after width centering at the 4# position is deviated from the geometric center of the steel coil. And, the more severe the tower shape or the flash of the steel coil, the more obvious the deviation thereof will be. According to the field production experience, when the edge overflow exceeds 200mm, although the geometric center of the steel coil is still on the center line of the walking beam, the center of gravity of the steel coil deviates from the movable beam of the walking beam, so that the coil overturning accident occurs when the walking beam starts to transport coils.
Therefore, we propose herein an apparatus and method for performing coil width centering on a walking beam.
Disclosure of Invention
The invention provides equipment and a method for completing steel coil width centering on a walking beam, aiming at the defects in the background technology.
The invention adopts the following technical scheme to solve the phenomenon, the equipment for finishing the width centering of the steel coil on the walking beam comprises a large steel coil, a small steel coil, a width centering trolley, a fixed saddle, a cantilever support, a position sensor, an ultrasonic sensor and a temperature sensor, wherein the small steel coil is arranged at the bottom of the inner side of the large steel coil, the width centering trolley is arranged at the bottoms of the large steel coil and the small steel coil, the fixed saddles are arranged at the front and rear ends of the width centering trolley, pulleys are distributed at the bottom of the width centering trolley, the bottom of each pulley is connected with a slide rail in a sliding manner, the walking beam is fixedly arranged at the bottom of each slide rail, the cantilever support is arranged at the front end of the fixed saddle, the ultrasonic sensor is arranged at the inner side end of the top of the cantilever support, the temperature sensor is arranged at the, the front end of rotation axis is connected with the hydro-cylinder, cantilever support's front end bottom is equipped with position sensor, position sensor's bottom is fixed and is equipped with position sensor support.
As a further preferable mode of the present invention, a fixing rod is fixedly welded in the middle of the cantilever support, a connecting shaft is connected in the middle of the bottom of the cantilever support, and bases are installed at both ends of the bottom of the connecting shaft.
As a further preferable mode of the present invention, the middle of the top of the width centering trolley is a concave structure, an oil cylinder fork is arranged inside the width centering trolley, an oil cylinder trunnion is arranged at a side end of the width centering trolley, and a displacement sensor is electrically connected to a side end of the oil cylinder trunnion.
As a further preferred mode of the present invention, the working steps include the following:
s1, detecting the object shielding by the 3# position occupying grating, and simultaneously advancing the inlet walking beam to the front limit;
s2, assigning the steel coil information of the 2# position to the 3# position by the L1;
s3, the walking beam descends to a lower limit position, and the width detection device is triggered to start;
s4, the oil cylinder extends out from the 0 position, and the spiral arm swings forwards to one third of the inner circle of the steel coil;
s5, detecting by the ultrasonic sensor, uploading a measurement result to L1, and finishing measurement;
s6, the oil cylinder retracts, the swing arm retracts backwards to the 0 position, and the position sensor detects that the swing arm retracts;
s7, calculating the width and the center position of the width;
s8, lifting the walking beam to lift the steel coil;
s9, carrying out width centering on the width centering trolley;
and S10, finishing the centering of the width of the 3# steel coil of the walking beam.
The invention discloses equipment and a method for completing steel coil width centering on a walking beam, and mainly aims to realize the centering of the width of an inlet steel coil according to the gravity center position of the steel coil, avoid the occurrence of a coil overturning accident, improve the automatic production efficiency, achieve the effect of simplifying personnel, perform full-automatic operation, completely eliminate the field operation of the personnel and improve the operation efficiency; the width centering is carried out according to the actual width, so that the roll turning risk in the roll conveying process is avoided; the measurement is accurate, and the measurement value is not subjected to measurement error due to personal factors, so that the quality of the produced product or the loss of other aspects is avoided; the maintenance is simple and easy, the device is small and exquisite and simple, and the point inspection maintenance is convenient and easy to carry out.
Drawings
FIG. 1 is a schematic diagram of steel coil width detection for an apparatus and method for performing steel coil width centering on a walking beam according to the present invention;
FIG. 2 is a schematic diagram of a steel coil width centering apparatus for performing the steel coil width centering apparatus and method on a walking beam according to the present invention;
FIG. 3 is a schematic view of a width centering trolley for implementing the apparatus and method for steel coil width centering on a walking beam according to the present invention;
FIG. 4 is an electrical schematic diagram of the steel coil width measurement and width centering control of an apparatus and method for performing steel coil width centering on a walking beam according to the present invention;
fig. 5 is a schematic view of a work flow of steel coil width centering performed by the apparatus and method for steel coil width centering on a walking beam according to the present invention.
In the figure: the large steel coil 1, the small steel coil 2, the width centering trolley 3, the fixed saddle 4, the cantilever support 5, the position sensor 6, the ultrasonic sensor 7, the temperature sensor 8, the position sensor support 9, the oil cylinder 10, the rotating shaft 11, the sliding rail 12, the oil cylinder fork 13, the oil cylinder trunnion 14, the displacement sensor 15, the pulley 16 and the walking beam 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: the utility model provides an accomplish equipment of coil of strip width centering on walking beam, includes big coil of strip 1, little coil of strip 2, width centering dolly 3, fixed saddle 4, outrigger 5, position sensor 6, ultrasonic sensor 7 and temperature sensor 8, the inboard bottom of big coil of strip 1 is equipped with little coil of strip 2, big coil of strip 1 is equipped with width centering dolly 3 with the bottom of little coil of strip 2, the front and back end of width centering dolly 3 is equipped with fixed saddle 4, the bottom distribution of width centering dolly 3 has pulley 16, pulley 16's bottom sliding connection has slide rail 12, the fixed walking beam 17 that is equipped with in bottom of slide rail 12, the front end of fixed saddle 4 is equipped with outrigger 5, the top medial extremity of outrigger 5 is equipped with ultrasonic sensor 7, the top front end of outrigger 5 is equipped with temperature sensor 8, be equipped with rotation axis 11 in the middle of the bottom of outrigger 5, the front end of the rotating shaft 11 is connected with an oil cylinder 10, a position sensor 6 is arranged at the bottom of the front end of the cantilever support 5, and a position sensor support 9 is fixedly arranged at the bottom of the position sensor 6.
The middle fixed welding of cantilever 5 has the dead lever, the bottom intermediate junction of cantilever 5 has the connecting axle, the base is installed at the bottom both ends of connecting axle.
The middle of the top of the width centering trolley 3 is of a concave structure, an oil cylinder fork 13 is arranged inside the width centering trolley 3, an oil cylinder trunnion 14 is arranged at the side end of the width centering trolley 3, and a displacement sensor 15 is electrically connected to the side end of the oil cylinder trunnion 14.
The working steps comprise as follows:
s1, detecting the object shielding by the 3# position occupying grating, and simultaneously advancing the inlet walking beam to the front limit;
s2, assigning the steel coil information of the 2# position to the 3# position by the L1;
s3, the walking beam descends to a lower limit position, and the width detection device is triggered to start;
s4, the oil cylinder extends out from the 0 position, and the spiral arm swings forwards to one third of the inner circle of the steel coil;
s5, detecting by the ultrasonic sensor, uploading a measurement result to L1, and finishing measurement;
s6, the oil cylinder retracts, the swing arm retracts backwards to the 0 position, and the position sensor detects that the swing arm retracts;
s7, calculating the width and the center position of the width;
s8, lifting the walking beam to lift the steel coil;
s9, carrying out width centering on the width centering trolley;
and S10, finishing the centering of the width of the 3# steel coil of the walking beam.
A width measuring device is arranged at the position 3# of the walking beam and consists of a swing arm support with the opening degree of 2.8 meters, a rotating shaft, an oil cylinder, an ultrasonic sensor and a position sensor. A group of ultrasonic sensors are arranged at two ends of the spiral arm to detect the width of the steel coil, and the swinging and retracting actions of the cantilever are completed through the stretching of the oil cylinder. In order to realize the effect of safe use, a position sensor is arranged on the rotary arm, and whether the device is in work or not is judged through the position sensor.
A width centering trolley is arranged at the position 3# of the walking beam, a slide rail of the trolley is arranged on a walking beam movable beam, power of the trolley is provided by a hydraulic oil cylinder, and a specific stroke is detected and fed back by a displacement sensor.
In order to ensure that the gravity center of the steel coil coincides with the geometric center of the steel coil in the vertical direction, the width of the steel coil is detected firstly, and the detection position of the width of the steel coil is designed at one third of the distance from the inner ring of the steel coil. And when the oil cylinder for controlling the cantilever is completely extended out, the measuring point after the cantilever is completely swung in is just positioned at one third of the inner circle of the steel coil.
The L1 calculates the coil of strip according to the distance between the two sides detected by the ultrasonic sensor, and the width represents the actual width of the coil of strip, i.e. the gravity center of the coil of strip coincides with the geometric center thereof in the vertical direction. The steel coil width and the position in the width pair are calculated as follows:
the formula I is as follows: width 2800- (x + y) mm
The formula II is as follows: width centering position (x-y)/2mm
The distance between the two ultrasonic sensors is 2800 mm;
x is the distance (in mm) detected by the left sensor;
y is the distance (in mm) detected by the sensor on the right.
The width adjusting trolley on the walking beam is adjusted according to the value of (x-y)/2, when the value is a negative value, the trolley walks to the right for the distance of (x-y)/2| mm, and when the value is a positive value, the trolley walks to the left for the distance of (x-y)/2| mm.
After the calculation of the width of the steel coil and the calculation of the width center are finished, the walking beam rises to the upper limit, the width centering trolley starts to work, closed-loop control is carried out by the displacement sensor, namely when the value fed back by the displacement sensor is consistent with the center position calculated by the L1, the width centering is finished.
No relevant or similar documents are retrieved by the search. The invention patent is already put into use with a 2250 hot-rolled high-strength steel flattening edge cutting unit of Zhanjiang Steel Co., Ltd, 7 and 28 days in 2019.
To sum up, the invention discloses equipment and a method for completing steel coil width centering on a walking beam, and mainly aims to realize the centering of the width of an inlet steel coil according to the gravity center position of the steel coil, avoid the occurrence of a coil overturning accident, improve the automatic production efficiency, achieve the effect of simplifying personnel, fully automatically operate, completely eliminate the field operation of the personnel and improve the operation efficiency; the width centering is carried out according to the actual width, so that the roll turning risk in the roll conveying process is avoided; the measurement is accurate, and the measurement value is not subjected to measurement error due to personal factors, so that the quality of the produced product or the loss of other aspects is avoided; the maintenance is simple and easy, the device is small and exquisite and simple, and the point inspection maintenance is convenient and easy to carry out.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides an accomplish equipment of coil of strip width centering on walking beam, a serial communication port, including big coil of strip (1), little coil of strip (2), width centering dolly (3), fixed saddle (4), outrigger (5), position sensor (6), ultrasonic sensor (7) and temperature sensor (8), the inboard bottom of big coil of strip (1) is equipped with little coil of strip (2), big coil of strip (1) is equipped with width centering dolly (3) with the bottom of little coil of strip (2), the front and back end of width centering dolly (3) is equipped with fixed saddle (4), the bottom cloth of width centering dolly (3) has pulley (16), the bottom sliding connection of pulley (16) has slide rail (12), the fixed walking beam (17) that is equipped with in bottom of slide rail (12), the front end of fixed saddle (4) is equipped with outrigger (5), the utility model discloses a cantilever crane, including cantilever support (5), top front end of cantilever support (5), be equipped with ultrasonic sensor (7) at the top medial extremity of cantilever support (5), the top front end of cantilever support (5) is equipped with temperature sensor (8), be equipped with rotation axis (11) in the middle of the bottom of cantilever support (5), the front end of rotation axis (11) is connected with hydro-cylinder (10), the front end bottom of cantilever support (5) is equipped with position sensor (6), the fixed position sensor support (9) that is equipped with in bottom of position sensor (6).
2. The equipment for completing steel coil width centering on the walking beam as claimed in claim 1, wherein a fixing rod is fixedly welded in the middle of the cantilever support (5), a connecting shaft is connected in the middle of the bottom of the cantilever support (5), and bases are installed at two ends of the bottom of the connecting shaft.
3. The equipment for completing steel coil width centering on the walking beam according to claim 1, wherein the middle of the top of the width centering trolley (3) is of a concave structure, the inside of the width centering trolley (3) is provided with an oil cylinder fork (13), the side end of the width centering trolley (3) is provided with an oil cylinder trunnion (14), and the side end of the oil cylinder trunnion (14) is electrically connected with a displacement sensor (15).
4. A method for performing steel coil width centering on a walking beam as claimed in any one of claims 1 to 3, wherein the working steps include the following:
s1, detecting the object shielding by the 3# position occupying grating, and simultaneously advancing the inlet walking beam to the front limit;
s2, assigning the steel coil information of the 2# position to the 3# position by the L1;
s3, the walking beam descends to a lower limit position, and the width detection device is triggered to start;
s4, the oil cylinder extends out from the 0 position, and the spiral arm swings forwards to one third of the inner circle of the steel coil;
s5, detecting by the ultrasonic sensor, uploading a measurement result to L1, and finishing measurement;
s6, the oil cylinder retracts, the swing arm retracts backwards to the 0 position, and the position sensor detects that the swing arm retracts;
s7, calculating the width and the center position of the width;
s8, lifting the walking beam to lift the steel coil;
s9, carrying out width centering on the width centering trolley;
and S10, finishing the centering of the width of the 3# steel coil of the walking beam.
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CN202011418265.5A CN112808783A (en) | 2020-12-07 | 2020-12-07 | Equipment and method for completing steel coil width centering on walking beam |
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CN202011418265.5A CN112808783A (en) | 2020-12-07 | 2020-12-07 | Equipment and method for completing steel coil width centering on walking beam |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113284115A (en) * | 2021-05-28 | 2021-08-20 | 中冶赛迪重庆信息技术有限公司 | Steel coil tower shape identification method, system, medium and terminal |
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CN1857811A (en) * | 2006-06-08 | 2006-11-08 | 上海宝钢工程技术有限公司 | Automatic coil bearer locating apparatus and method |
CN103084429A (en) * | 2013-01-31 | 2013-05-08 | 中冶南方工程技术有限公司 | Control method and control system for width centering of steel coil carried by steel coil car |
CN103128130A (en) * | 2013-03-07 | 2013-06-05 | 中国重型机械研究院股份公司 | Swing-arm-type automatic winding and centering device |
CN103264069A (en) * | 2013-05-14 | 2013-08-28 | 中冶南方工程技术有限公司 | Device and method for centering steel coil |
CN204486501U (en) * | 2014-12-12 | 2015-07-22 | 宝山钢铁股份有限公司 | A kind of device preventing turnup and guarantee rolling steel coil centering effect |
CN111842492A (en) * | 2020-06-09 | 2020-10-30 | 唐山钢铁集团微尔自动化有限公司 | Steel coil coiling and centering method |
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2020
- 2020-12-07 CN CN202011418265.5A patent/CN112808783A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1857811A (en) * | 2006-06-08 | 2006-11-08 | 上海宝钢工程技术有限公司 | Automatic coil bearer locating apparatus and method |
CN103084429A (en) * | 2013-01-31 | 2013-05-08 | 中冶南方工程技术有限公司 | Control method and control system for width centering of steel coil carried by steel coil car |
CN103128130A (en) * | 2013-03-07 | 2013-06-05 | 中国重型机械研究院股份公司 | Swing-arm-type automatic winding and centering device |
CN103264069A (en) * | 2013-05-14 | 2013-08-28 | 中冶南方工程技术有限公司 | Device and method for centering steel coil |
CN204486501U (en) * | 2014-12-12 | 2015-07-22 | 宝山钢铁股份有限公司 | A kind of device preventing turnup and guarantee rolling steel coil centering effect |
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Cited By (1)
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CN113284115A (en) * | 2021-05-28 | 2021-08-20 | 中冶赛迪重庆信息技术有限公司 | Steel coil tower shape identification method, system, medium and terminal |
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