CN113275522A - Air bag type roll gap measuring device and measuring method - Google Patents
Air bag type roll gap measuring device and measuring method Download PDFInfo
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- CN113275522A CN113275522A CN202110572533.7A CN202110572533A CN113275522A CN 113275522 A CN113275522 A CN 113275522A CN 202110572533 A CN202110572533 A CN 202110572533A CN 113275522 A CN113275522 A CN 113275522A
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- roll gap
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- measuring device
- air bag
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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
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
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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
- B22D11/20—Controlling or regulating processes or operations for removing cast stock
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Continuous Casting (AREA)
Abstract
The invention provides an air bag type roll gap measuring device and a measuring method, which are used for measuring a roll gap value between an upper clamping roll and a lower clamping roll. The roll gap value measured by the method is closer to the real state of the continuous casting machine during production, the obtained data is used for guiding the precision control of the continuous casting machine, the important supporting function is realized on the production sequence of the slab continuous casting machine and the quality of a casting blank, the method is favorable for reducing the downtime of the casting machine due to calibration and the like, and the operation rate of the casting machine is improved.
Description
Technical Field
The invention belongs to the technical field of automatic detection of metallurgical continuous casting machines, and particularly relates to an air bag type roll gap measuring device and a measuring method.
Background
In the production process of a continuous casting machine, a roll gap is a key equipment parameter for ensuring the normal solidification forming quality of a continuous casting blank and guiding the casting blank to pass through a fan-shaped section and the like, and has decisive influence on the internal quality of a continuous casting slab. At present, the gap measuring instrument for each enterprise supports the pinch rolls through devices such as springs and the like to eliminate gaps, and because the spring force is not large enough, the gaps between the pinch rolls and the bearings can be eliminated, but the gaps between the upper frame and the lower frame for connecting the pull rods cannot be eliminated, and the actual gap condition of the continuous casting machine in the production state cannot be really measured.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides an air bag type roll gap measuring device and a measuring method thereof, which are used for solving the problem that the roll gap condition of the real production state of a continuous casting machine cannot be measured in the prior art.
In order to achieve the above and other related objects, the present invention provides an airbag type roll gap measuring device for measuring a roll gap value between an upper and a lower nip rolls, the airbag type roll gap measuring device including a frame, an airbag type supporting unit, a measuring unit and a processing unit, wherein the airbag type supporting unit and the measuring unit are both disposed on the frame, when the measuring unit passes through a sector nip roll, the airbag type supporting unit simulates a casting blank bulging force to jack open the sector, the measuring unit detects roll gap data of the sector and transmits the roll gap data to the processing unit, and the processing unit performs data processing to obtain the roll gap value between each pair of nip rolls in a roll array.
Further, gasbag formula support element includes a plurality of gasbag formula cylinders, and is a plurality of gasbag formula cylinder symmetrical arrangement is in the both sides of fan-shaped section pinch roll.
Further, the airbag type cylinder is configured to be 6.
Further, the measuring unit is arranged in plurality in the axial direction of the nip roller.
Further, the number of the measuring units is 6, and 2 measuring units are arranged on two sides of the frame.
Further, the measuring unit comprises a measuring sensor and a measuring head, and the measuring sensor is arranged in the middle of the measuring head.
Further, still include the elastic element, the elastic element sets up between the gasbag formula support element of both sides, and is located adjacently between the measuring cell.
Further, the elastic unit is a spring plate to support the nip roller and eliminate a bearing gap of the nip roller.
The invention also provides a measuring method of the air bag type roll gap measuring device, which adopts the air bag type roll gap measuring device to measure and comprises the following steps:
pressurizing the air bag type supporting unit to a set value;
the measuring unit detects roll gap data of the sector section and transmits the roll gap data to the processing unit;
the processing unit processes roll gap data to obtain roll gap values between upper and lower clamping rolls in the roll train.
As described above, the air bag type roll gap measuring device and the air bag type roll gap measuring method of the present invention have the following beneficial effects:
by arranging the air bag type supporting unit, the bulging force of the casting blank is simulated, the fan-shaped section is pushed open, the roll gap value measured by the measuring unit is closer to the real state of the continuous casting machine during production, the obtained data is used for guiding the precision control of the continuous casting machine, the important supporting effect is realized on the production sequence of the continuous casting machine and the quality of the casting blank, the reduction of the downtime of the casting machine due to calibration and the like is facilitated, and the operation rate of the casting machine is improved.
Drawings
FIG. 1 is a first schematic structural diagram of a gas-bag type roll gap measuring device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an airbag type roll gap measuring apparatus according to an embodiment of the present invention.
Description of the reference numerals
1-a frame; 2-a balloon-type support unit; 3-a measurement unit; 4-an elastic unit; 5-a clamping roller; 100-air bag type roll gap measuring device.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Please refer to fig. 1 and 2, the present invention provides an airbag type roll gap measuring apparatus 100 for measuring a roll gap value between an upper and a lower nip rolls 5, wherein the airbag type roll gap measuring apparatus 100 includes a frame 1, an airbag type supporting unit 2, a measuring unit 3 and a processing unit, the airbag type supporting unit 2 and the measuring unit 3 are both disposed on the frame 1, when the measuring unit 3 passes through a sector-shaped nip roll 5, the airbag type supporting unit 2 simulates a casting blank bulging force to push open the sector, the measuring unit 3 detects roll gap data of the sector and transmits the roll gap data to the processing unit, and the processing unit performs data processing on the roll gap data to obtain the roll gap value between each pair of nip rolls 5 in a roll array.
The air bag type supporting unit 2 acts on the top plate (the panel of the measuring device) to simulate the bulging force of the casting blank in casting, in the embodiment, the overall bulging value is 6mm which can be increased on the basis of the standard value of the roll gap instrument adaptive detection range, the measured front and rear fan-shaped sections are jacked open, the roll gap value of the measured fan-shaped section is closer to the real state when the continuous casting machine is produced, the obtained data is used for guiding the precision control of the continuous casting machine, and the important supporting function is realized on the production sequence of the continuous casting machine and the quality guarantee of the casting blank.
The gap of the connecting pull rod between the upper frame and the lower frame of the continuous casting machine can be effectively eliminated through the air bag type supporting unit 2, so that the roll gap condition of the actual production state of the continuous casting machine can be truly reflected. Specifically, gasbag formula support element 2 includes a plurality of gasbag formula cylinders, and is a plurality of gasbag formula cylinder symmetrical arrangement is in the both sides of fan-shaped section pinch roll. In this embodiment, the number of the airbag type cylinders is 6, and the number of the frame 1 on one side is 3, so as to support the airbag type cylinders. The load that gasbag formula cylinder can bear is big, and simple structure only needs provide compressed air can work, and the jacking is fast, and the effect is efficient, does not need manual operation.
And, the measuring unit 3 is arranged in plurality in the axial direction of the nip roller 5. In this embodiment, the number of the measuring units 3 is 6, and 2 of the measuring units 3 are located on two sides of the frame 1. In the middle of the frame 1 4 measuring units 3 are arranged. The measuring unit 3 comprises a measuring sensor and a measuring head, wherein the measuring sensor is arranged in the middle of the measuring head. Specifically, a steel plate of the frame 1 is provided with a mounting hole for mounting the measuring unit 3, the measuring unit 3 is mounted in the mounting hole, and the measuring sensor protrudes out of the surface of the steel plate.
In addition, the airbag type roll gap measuring device 100 further comprises an elastic unit 4, wherein the elastic unit 4 is arranged between the airbag type supporting units 2 on two sides and is positioned between the adjacent measuring units 3. Specifically, the elastic unit 4 is a spring plate to support the nip roller 5 and eliminate a bearing gap of the nip roller 5. In the present embodiment, the number of the spring plates is 5, and one spring plate is provided between every two measurement units 3.
The invention also provides a measuring method of the air bag type roll gap measuring device, which adopts the air bag type roll gap measuring device to measure and comprises the following steps:
pressurizing the air bag type supporting unit 2 to a set value;
the measuring unit 3 detects roll gap data of the sector section and transmits the roll gap data to the processing unit;
the processing unit processes roll gap data to obtain roll gap values between the upper and lower pinch rolls 5 in the roll train.
Specifically, the set value can be designed according to the root segment, the clearance and the elasticity between the inner connecting rod and the outer connecting rod are eliminated, the pressure is calibrated by combining the roll gaps of all the segments, and the traveling speed of the measuring head is designed, and the set value cannot exceed the set upper limit so as to protect equipment from being damaged by overload supporting force; the material of the air bag type detection unit needs to be selected from special materials, such as spring steel, and the like, which can support the segment pinch rollers 5 to eliminate cold gaps, have good elasticity and are flexible to adapt to changes of roll gaps.
The measuring unit 3 and the processing unit exchange data through wired transmission or wireless transmission, the feedback of the processing unit to the measured data of the measuring unit 3 can be realized, and the measuring unit 3 can be provided with a power supply or be externally connected with an external power supply. The processing unit comprises a control module and a processing module, the control module is electrically connected with the measuring sensor, the control module is electrically connected with the processing module, the control module collects the measuring data of the measuring sensor and sends the measuring data to the processing module after the measuring data are collected by the control module, the processing module receives the measuring data and carries out output processing, analysis, storage and display, finally, the roll gap values of the upper and lower pinch rolls 5 in the roll row are obtained, and the operation state of the continuous casting machine can be favorably judged according to the roll gap values. The control module has the functions of data acquisition and data transmission. The processing module has the functions of data processing, data statistics and data display.
When the air bag type roll gap measuring device 100 works specifically, two or more than two measuring units 3 are selected and installed according to needs, a plurality of air bag type supporting units 2 are installed, a continuous casting machine is tested when a dummy ingot is fed, the air bag type roll gap measuring device 100 replaces a dummy ingot head, roll gap data are detected and collected, when the air bag type roll gap measuring device enters a bending section, the 6 air bag type supporting units 2 are pressurized to a set value, the effect of a hot blank shell is simulated, meanwhile, the measuring units 3 detect the roll gap data and transmit the roll gap data to a processing unit, the processing unit processes the roll gap data to obtain a final roll gap value, and after the test is finished, pressure relief operation is executed to reduce danger and save energy.
In summary, in the air bag type roll gap measuring device and the air bag type roll gap measuring method provided by the embodiment of the invention, the air bag type supporting unit is arranged to simulate the bulging force of the casting blank, the fan-shaped section is ejected, the roll gap value measured by the measuring unit is closer to the real state during the production of the continuous casting machine, the obtained data is used for guiding the precision control of the continuous casting machine, the important supporting function is provided for the production sequence of the continuous casting machine and the quality of the casting blank, the shutdown time of the casting machine due to calibration and the like is favorably reduced, and the operation rate of the casting machine is improved.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. Gasbag formula roll gap measuring device for roll gap value between the nip roll about measuring, its characterized in that: including frame, gasbag formula supporting element, measuring unit and processing unit, gasbag formula supporting element and measuring unit all set up on the frame, work as when measuring unit passes through the roller that presss from both sides of a segmental segment, gasbag formula supporting element simulation casting blank drum tripe power is in order to back up open the segmental segment, measuring unit detects out the roll gap data of segmental segment and will roll gap data transfer to processing unit, processing unit is right roll gap data carry out data processing in order to obtain the roll gap value between the upper and lower clamp roller in the roll column.
2. The gas-bag roll gap measuring device according to claim 1, characterized in that: gasbag formula supporting element includes a plurality of gasbag formula cylinders, and is a plurality of gasbag formula cylinder symmetric arrangement is in the both sides of fan-shaped section pinch roll.
3. The gas-bag roll gap measuring device according to claim 2, characterized in that: the number of the air bag type cylinders is 6.
4. The gas-bag roll gap measuring device according to claim 1, characterized in that: the measuring unit is arranged in plurality along the axial direction of the nip roller.
5. The gas-bag roll gap measuring device according to claim 4, characterized in that: the number of the measuring units is 6, and 2 measuring units are arranged on two sides of the frame.
6. The air bag type roll gap measuring device according to claim 1, characterized in that: the measuring unit comprises a measuring sensor and a measuring head, and the measuring sensor is arranged in the middle of the measuring head.
7. The gas-bag roll gap measuring device according to claim 1, characterized in that: still include the elastic unit, the elastic unit sets up between the gasbag formula support unit of both sides, and is located adjacently between the measuring cell.
8. The gas-bag roll gap measuring device according to claim 7, characterized in that: the elastic unit is a spring plate to support the nip roller and eliminate the bearing gap of the nip roller.
9. A measuring method of an air bag type roll gap measuring apparatus using the air bag type roll gap measuring apparatus according to any one of claims 1 to 8, comprising:
pressurizing the air bag type supporting unit to a set value;
the measuring unit detects roll gap data of the sector section and transmits the roll gap data to the processing unit;
the processing unit processes roll gap data to obtain roll gap values between upper and lower clamping rolls in the roll train.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110572533.7A CN113275522A (en) | 2021-05-25 | 2021-05-25 | Air bag type roll gap measuring device and measuring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110572533.7A CN113275522A (en) | 2021-05-25 | 2021-05-25 | Air bag type roll gap measuring device and measuring method |
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| CN113275522A true CN113275522A (en) | 2021-08-20 |
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| CN202110572533.7A Pending CN113275522A (en) | 2021-05-25 | 2021-05-25 | Air bag type roll gap measuring device and measuring method |
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Citations (9)
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|---|---|---|---|---|
| US3937271A (en) * | 1973-06-11 | 1976-02-10 | Sumitomo Shipbuilding And Machinery Co. Ltd. | Measuring means for measuring secondary cooling zone roller gaps in continuous casting machine |
| JPS5568162A (en) * | 1978-11-14 | 1980-05-22 | Kawasaki Steel Corp | Roll gap measuring method for continuous casting machine |
| CN201283420Y (en) * | 2008-10-22 | 2009-08-05 | 宝山钢铁股份有限公司 | Device for stabilizing continuous casting machine roll gap meter |
| CN201436553U (en) * | 2009-02-23 | 2010-04-07 | 宝山钢铁股份有限公司 | Positioning measurement device for measuring roller seam of continuous casting machine |
| CN202216685U (en) * | 2011-07-28 | 2012-05-09 | 西安重型技术有限责任公司 | Real-time roll gap measuring instrument for continuous casting machine |
| CN107116187A (en) * | 2017-04-21 | 2017-09-01 | 马鞍山钢铁股份有限公司 | A kind of slab segment roll gap measurement adjusting apparatus and its method of adjustment |
| CN206500595U (en) * | 2017-02-15 | 2017-09-19 | 新疆八一钢铁股份有限公司 | Continuous casting segment clamps roller gap on-line measurement device |
| CN207606262U (en) * | 2017-12-18 | 2018-07-13 | 中国重型机械研究院股份公司 | A kind of device for eliminating segment roll gap structure interval |
| CN108687321A (en) * | 2017-04-07 | 2018-10-23 | 上海宝钢工业技术服务有限公司 | A method of online roll gap meter is improved to hydraulic fan-shaped section of roll gap accuracy of detection of continuous casting |
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2021
- 2021-05-25 CN CN202110572533.7A patent/CN113275522A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3937271A (en) * | 1973-06-11 | 1976-02-10 | Sumitomo Shipbuilding And Machinery Co. Ltd. | Measuring means for measuring secondary cooling zone roller gaps in continuous casting machine |
| JPS5568162A (en) * | 1978-11-14 | 1980-05-22 | Kawasaki Steel Corp | Roll gap measuring method for continuous casting machine |
| CN201283420Y (en) * | 2008-10-22 | 2009-08-05 | 宝山钢铁股份有限公司 | Device for stabilizing continuous casting machine roll gap meter |
| CN201436553U (en) * | 2009-02-23 | 2010-04-07 | 宝山钢铁股份有限公司 | Positioning measurement device for measuring roller seam of continuous casting machine |
| CN202216685U (en) * | 2011-07-28 | 2012-05-09 | 西安重型技术有限责任公司 | Real-time roll gap measuring instrument for continuous casting machine |
| CN206500595U (en) * | 2017-02-15 | 2017-09-19 | 新疆八一钢铁股份有限公司 | Continuous casting segment clamps roller gap on-line measurement device |
| CN108687321A (en) * | 2017-04-07 | 2018-10-23 | 上海宝钢工业技术服务有限公司 | A method of online roll gap meter is improved to hydraulic fan-shaped section of roll gap accuracy of detection of continuous casting |
| CN107116187A (en) * | 2017-04-21 | 2017-09-01 | 马鞍山钢铁股份有限公司 | A kind of slab segment roll gap measurement adjusting apparatus and its method of adjustment |
| CN207606262U (en) * | 2017-12-18 | 2018-07-13 | 中国重型机械研究院股份公司 | A kind of device for eliminating segment roll gap structure interval |
Non-Patent Citations (1)
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Application publication date: 20210820 |