CN101788291A - Measuring device for aligning with continuous casting crystallizer and measuring method thereof - Google Patents
Measuring device for aligning with continuous casting crystallizer and measuring method thereof Download PDFInfo
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- CN101788291A CN101788291A CN201010106972A CN201010106972A CN101788291A CN 101788291 A CN101788291 A CN 101788291A CN 201010106972 A CN201010106972 A CN 201010106972A CN 201010106972 A CN201010106972 A CN 201010106972A CN 101788291 A CN101788291 A CN 101788291A
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Abstract
The invention relates to a measuring device for aligning with a continuous casting crystallizer and a measuring method thereof. The technical scheme is that a mounting plate 18 of the device is fixed on a shell 13 of a sliding device 6; a lower plane of the mounting plate 18 is vertical to a center line of the shell 13; and the mounting plate 18 is fixed on a platform of a supporting adjusting bracket 7 through bolts. A detecting rod 5 is connected with a worm wheel 16 through threads; the detecting rod 5 and the worm wheel 16 are concentrically mounted in the shell 13; and a sensor 1 is arranged at the lower end of the detecting rod 5 and is connected with a digital display meter 9 through a cable 10. The measuring method of the device comprises the following steps: moving the detecting rod 5; measuring a distance L2 between an outside foot roll 11 and the sensor 1 through the sensor 1; measuring a distance L1 between an outside support roll 12 and the sensor 1; respectively taking minimum values of the distance L1 and the distance L2; calculating a pair arc delta L which is equal to the diffrence of L2 and L1 between the outside foot roll 11 and the outside support roll 12; and then adjusting the crystallizer to ensure that delta L is less than or equal to 0.3mm. The invention has the characteristics of rapid and accurate measurement.
Description
Technical field
The invention belongs to the continuous cast mold utility appliance, be specifically related to a kind of continuous cast mold centering measurement mechanism and measuring method thereof.
Background technology
The strand of continuous casting installation for casting production is the starting material of steel rolling, and the quality of strand directly influences the quality of final products, and the crystallizer very important parts that are conticasters are ingot moulds of the no end of a Forced water cooling, can be described as " heart " of continuous casting installation for casting.The precision that continuous cast mold is installed directly has influence on the quality of strand.Especially first backing roll in the fan-shaped top of O (hereinafter to be referred as first backing roll) of wide sufficient roller of crystallizer and bending section is a key factor that influences cc billet surface quality to the arc precision, and in a single day the arc deviation is transfinited, also can cause the serious production safety accident of this class of bleed-out to take place.
At present the conticaster of steelworks is many is provided by VAI industrial group (hereinafter to be referred as VAI), to the arc precision has been provided clear and definite requirement, and provides special-purpose centering measurement mechanism.The continuous cast mold centralising device that VAI provides is manual, and its critical part is the sounding rod that spirit level is equipped with in a upper end; The sounding rod lower end is provided with two armature devices, and upper armature is aimed at the sufficient roller side face of crystallizer, and lower armature is aimed at the first backing roll side face; Make the straight-bar swing by armature suction, if sufficient roller does not align with first backing roll, the bubble in the spirit level just flows on one side so, if aimed at, bubble will be in the center.
The centralising device that VAI provides, the moving range estimation of armrest fully, bubble position by the range estimation spirit level judges whether centering, the deviation that can't show position between the sufficient roller and first backing roll, and the amount of deflection between the two is extremely important for continuous casting process, if can not be controlled in the specialized range, cause potential safety hazard can for whole technology.The field engineer feels that generally this device operation is very inconvenient in addition, owing to can not provide effective deviate, be difficult to installing and locating crystallizer accurately, so the adjustment time is long and workload is big, these problems have seriously hindered safety, production work efficiently.
Summary of the invention
The present invention is intended to overcome the prior art defective, and purpose provides a kind of continuous cast mold centering measurement mechanism and the measuring method thereof that can measure quickly and accurately.
For achieving the above object, the technical solution used in the present invention is: this device comprises sensor, test rod, carriage, support adjustment rack and digital display meter.Installing plate is fixed on the housing in the carriage, and the lower plane of installing plate is vertical with the center line of housing, and installing plate is fixed on the platform that supports adjustment rack by fastening bolt; Detect worm and wheel and be installed in concentrically in the housing, the lower end of test rod is equipped with sensor, and sensor is connected with digital display meter by cable.
The structure of carriage is: worm screw by Bearing Installation in housing, the worm and wheel engagement, the interior circle of worm gear is processed with internal thread, and test rod is provided with slide block topmost, be processed with external thread on the test rod at distance slide block lower plane 30～50mm place, worm gear and test rod are thread connection; The upper surface of worm gear and lower surface are equipped with thrust bearing and following thrust bearing respectively, and the lower surface of the upper surface of last thrust bearing and following thrust bearing is equipped with upper support piece and lower support piece respectively; Test rod, worm gear, go up thrust bearing, down thrust bearing, upper support piece and lower support piece all with the concentricity installation of housing.
In the technical program: sensor or be ultrasonic sensor or for laser sensor; Housing is the square tube shape, and the square tube shape is made up of " recessed " body and another " recessed " body; Housing upper end hollow parts is a slideway, and slide block is installed in the slideway, and the xsect of slide block is identical with the xsect of slideway, is square; Be respectively equipped with on the test rod and measure outer parapodum roller and measure pairing mark I-II of lateral branch runner and III-IV; Supporting adjustment rack is the special-purpose The Cloud Terrace of video camera or camera, and level meter is arranged on the The Cloud Terrace.
The measuring method of continuous cast mold centering measurement mechanism is:
The first step is placed on the platform of crystallizer supporting adjustment rack, by adjusting handle, makes the level vial centering adjustment that supports on the adjustment rack, then the fixed support adjustment rack;
Second step made the worm-gear driven test rod to lower slider by the turn worm screw, and when mark I-II skidded off the lower surface A of housing, record is the corresponding outer parapodum roller of section and the reading of the distance L 2 between sensor therewith, gets minimum value wherein;
The 3rd step continued to lower slider the worm-gear driven test rod by the turn worm screw, and when mark III-IV skidded off the lower surface A of housing, record is the corresponding lateral branch runner of section and the reading of the distance L 1 between sensor therewith, gets minimum value wherein;
In the 4th step, what calculate outer parapodum roller and lateral branch runner is Δ L=L2-L1 to arc, and mobile to the left or to the right crystallizer, illustrates and aims at if Δ L is less than or equal to 0.3mm to adjust Δ L;
In the 5th step, if Δ L greater than 0.3mm, then repeats first to fourth step, L is less than or equal to 0.3mm until Δ.
Owing to take technique scheme, the present invention is directed to the manual centralising device that existing VAI provides, the adjustment handle with on the supporting adjustment rack guarantees that orthogonal two detection sides are in the center to the bubble of level meter.Test rod is fixed on the upper support plane of supporting adjustment rack after the adjustment, the sensor that will be fixed on the test rod lower end simultaneously is connected by cable with digital display meter.Rotary worm, by the worm and gear motion test rod is slided up and down, can pickup from digital display meter relatively outside the distance of parapodum roller and lateral branch runner periphery, for the work to arc of crystallizer provides numerical basis, so just can carry out autotelic adjustment, crystallizer can be in place accurately and rapidly.
The advantage of this device is: first, directly provided the distance of outer relatively parapodum roller of sensor and lateral branch runner, on-the-spot staff can be easy to determine the direction and the size of crystallizer adjustment, the adjustment time of having saved crystallizer greatly by the data on the digital display meter; The second, adopt the worm and gear structure, make data acquisition more effective, the screw thread pair of worm gear and sounding rod also can make the device self-locking, prevents that sounding rod from gliding because of deadweight; The 3rd, easy to operate, be easy to safeguard that the sensitivity that only needs to check sensor can be used for a long time.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is a carriage 6 and the scheme of installation that supports adjustment rack 7 among Fig. 1;
Fig. 3 is the scheme of installation of worm screw 15 among Fig. 1.
Embodiment
The present invention will be further described below in conjunction with the drawings and specific embodiments:
A kind of continuous cast mold centering measurement mechanism and measuring method thereof.The structure of this device is as shown in Figure 1: this device comprises sensor 1, test rod 5, carriage 6, supports adjustment rack 7 and digital display meter 9.Installing plate 18 is fixed on the housing 13 in the carriage 6, and the lower plane of installing plate 18 is vertical with the center line of housing 13, and installing plate 18 is fixed on the platform that supports adjustment rack 7 by fastening bolt; Test rod 5 is installed in the housing 13 concentrically with worm gear 16, and the lower end of test rod 5 is equipped with sensor 1, and sensor 1 is connected with digital display meter 9 by cable 10.
The structure of carriage 6 such as Fig. 2, shown in Figure 3: worm screw 15 is installed in the housing 13 by bearing 14, cover plate 22 is equipped with in the outside of worm screw 15, worm screw 15 and worm gear 16 engagements, the interior circle of worm gear 16 is processed with internal thread, test rod 5 is provided with slide block topmost, be processed with external thread on the test rod 5 at distance slide block lower plane 30～50mm place, worm gear 16 and test rod 5 are thread connection; The upper surface of worm gear 16 and lower surface are equipped with thrust bearing 17 and following thrust bearing 20 respectively, and the lower surface of the upper surface of last thrust bearing 17 and following thrust bearing 20 is equipped with upper support piece 19 and lower support piece 21 respectively; Test rod 5, worm gear 16, go up thrust bearing 17, down thrust bearing 20, upper support piece 19 and lower support piece 21 all with housing 13 concentricity installations.
In the present embodiment: sensor 1 or be ultrasonic sensor or for laser sensor; As shown in Figure 3, housing 13 is the square tube shape, and the square tube shape is made up of " recessed " body 23 and another " recessed " body 24.Housing 13 as shown in Figure 2, its upper end hollow parts be slideway, slide block is installed in the slideway, the xsect of slide block is identical with the xsect of slideway, is square.As shown in Figure 1: be respectively equipped with on the test rod 5 and measure outer parapodum roller 11 and measure lateral branch runner 12 pairing mark I-II and III-IV; Supporting adjustment rack 7 is the special-purpose The Cloud Terrace of video camera or camera, and level meter is arranged on the The Cloud Terrace.
The measuring method of continuous cast mold centering measurement mechanism is:
The first step is placed on the platform of crystallizer 4 supporting adjustment rack 7, by adjusting handle 8, makes the level vial centering adjustment that supports on the adjustment rack 7, and the fixed support adjustment rack 7 then;
Second step made worm gear 16 drive test rods 5 to lower slider by turn worm screw 15, and when mark I-II skidded off the lower surface A of housing 13, record is the reading of the distance L 2 of 1 of the corresponding outer parapodum roller 11 of section and sensor therewith, gets minimum value wherein;
The 3rd step made worm gear 16 drive test rods 5 by turn worm screw 15 and continues to lower slider, and when mark III-IV skidded off the lower surface A of housing 13, record is the reading of the distance L 1 of 1 of the corresponding lateral branch runner 12 of section and sensor therewith, gets minimum value wherein;
In the 4th step, what calculate outer parapodum roller 11 and lateral branch runner 12 is Δ L=L2-L1 to arc, and mobile to the left or to the right crystallizer 4, illustrates and aims at if Δ L is less than or equal to 0.3mm to adjust Δ L;
In the 5th step, if Δ L greater than 0.3mm, then repeats first to fourth step, L is less than or equal to 0.3mm until Δ.
This device has directly provided the distance of the outer relatively parapodum roller 11 of sensor 1 with lateral branch runner 12, and on-the-spot staff can be easy to determine the direction and the size of crystallizer 4 adjustment, the adjustment time of having saved crystallizer 4 greatly by the data on the digital display meter 9; Adopt the worm and gear structure, make data acquisition more effective, worm gear 16 also can make the device self-locking with the screw thread pair of sounding rod 5, prevents that sounding rod 5 from gliding because of deadweight; Easy to operate, be easy to safeguard that the sensitivity that only needs to check sensor 1 can be used for a long time.
Claims (6)
1. a continuous cast mold centering measurement mechanism is characterized in that this device comprises sensor 1, test rod 5, carriage 6, supports adjustment rack 7 and digital display meter 9; Installing plate 18 is fixed on the housing 13 in the carriage 6, and the lower plane of installing plate 18 is vertical with the center line of housing 13, and installing plate 18 is fixed on the platform that supports adjustment rack 7 by fastening bolt; Test rod 5 is installed in the housing 13 concentrically with worm gear 16, and the lower end of test rod 5 is equipped with sensor 1, and sensor 1 is connected with digital display meter 9 by cable 10;
The structure of carriage 6 is: worm screw 15 is installed in the housing 13 by bearing 14, worm screw 15 and worm gear 16 engagements, the interior circle of worm gear 16 is processed with internal thread, test rod 5 is provided with slide block topmost, be processed with external thread on the test rod 5 at distance slide block lower plane 30～50mm place, worm gear 16 and test rod 5 are thread connection; The upper surface of worm gear 16 and lower surface are equipped with thrust bearing 17 and following thrust bearing 20 respectively, and the lower surface of the upper surface of last thrust bearing 17 and following thrust bearing 20 is equipped with upper support piece 19 and lower support piece 21 respectively; Test rod 5, worm gear 16, go up thrust bearing 17, down thrust bearing 20, upper support piece 19 and lower support piece 21 all with housing 13 concentricity installations.
2. continuous cast mold centering measurement mechanism according to claim 1 is characterized in that described sensor 1 or for ultrasonic sensor or for laser sensor.
3. continuous cast mold centering measurement mechanism according to claim 1 is characterized in that described housing 13 is the square tube shape, and the square tube shape is made up of " recessed " body 23 and another " recessed " body 24; Housing 13 upper end hollow parts are slideway, and slide block is installed in the slideway, and the xsect of slide block is identical with the xsect of slideway, is square.
4. continuous cast mold centering measurement mechanism according to claim 1 is characterized in that being respectively equipped with on the described test rod 5 and measures outer parapodum roller 11 and measure lateral branch runner 12 pairing mark I-II and III-IV.
5. continuous cast mold centering measurement mechanism according to claim 1 is characterized in that the special-purpose The Cloud Terrace of described support adjustment rack 7 for video camera or camera, and level meter is arranged on the The Cloud Terrace.
6. as the measuring method of claim 1～5 a described continuous cast mold centering measurement mechanism, it is characterized in that:
The first step is placed on the platform of crystallizer 4 supporting adjustment rack 7, by adjusting handle 8, makes the level vial centering adjustment that supports on the adjustment rack 7, and the fixed support adjustment rack 7 then;
Second step made worm gear 16 drive test rods 5 to lower slider by turn worm screw 15, and when mark I-II skidded off the lower surface A of housing 13, record is the reading of the distance L 2 of 1 of the corresponding outer parapodum roller 11 of section and sensor therewith, gets minimum value wherein;
The 3rd step made worm gear 16 drive test rods 5 by turn worm screw 15 and continues to lower slider, and when mark III-IV skidded off the lower surface A of housing 13, record is the reading of the distance L 1 of 1 of the corresponding lateral branch runner 12 of section and sensor therewith, gets minimum value wherein;
In the 4th step, what calculate outer parapodum roller 11 and lateral branch runner 12 is Δ L=L2-L1 to arc, and mobile to the left or to the right crystallizer 4, illustrates and aims at if Δ L is less than or equal to 0.3mm to adjust Δ L;
In the 5th step, if Δ L greater than 0.3mm, then repeats first to fourth step, L is less than or equal to 0.3mm until Δ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101069720A CN101788291B (en) | 2010-02-02 | 2010-02-02 | Measuring device for aligning with continuous casting crystallizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101069720A CN101788291B (en) | 2010-02-02 | 2010-02-02 | Measuring device for aligning with continuous casting crystallizer |
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| CN101788291A true CN101788291A (en) | 2010-07-28 |
| CN101788291B CN101788291B (en) | 2012-02-08 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620749A (en) * | 2012-04-23 | 2012-08-01 | 南京信息工程大学 | Correction bracket of alignment rod |
| CN102680001A (en) * | 2012-05-16 | 2012-09-19 | 南京信息工程大学 | Inclination correction device for centering rod |
| CN106556871A (en) * | 2015-09-29 | 2017-04-05 | 中国石油化工股份有限公司 | Cable center support system and method in well |
| CN108453223A (en) * | 2017-02-22 | 2018-08-28 | 南京梅山冶金发展有限公司 | Conticaster crystallizer combines centralising device and analog detecting method offline |
| CN114074181A (en) * | 2020-08-19 | 2022-02-22 | 宝武装备智能科技有限公司 | Telescopic base for centering detection of continuous casting crystallizer |
| CN114178495A (en) * | 2020-09-15 | 2022-03-15 | 宝山钢铁股份有限公司 | Automatic centering detection device for continuous casting crystallizer and application method thereof |
| CN114178494A (en) * | 2020-09-15 | 2022-03-15 | 宝山钢铁股份有限公司 | Centering precision supplementing method based on continuous casting crystallizer centering automatic detection device |
-
2010
- 2010-02-02 CN CN2010101069720A patent/CN101788291B/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620749A (en) * | 2012-04-23 | 2012-08-01 | 南京信息工程大学 | Correction bracket of alignment rod |
| CN102620749B (en) * | 2012-04-23 | 2015-09-09 | 南京信息工程大学 | A kind of calibrated mount of centering rod |
| CN102680001A (en) * | 2012-05-16 | 2012-09-19 | 南京信息工程大学 | Inclination correction device for centering rod |
| CN106556871A (en) * | 2015-09-29 | 2017-04-05 | 中国石油化工股份有限公司 | Cable center support system and method in well |
| CN106556871B (en) * | 2015-09-29 | 2018-06-15 | 中国石油化工股份有限公司 | Cable center support system and method in well |
| CN108453223A (en) * | 2017-02-22 | 2018-08-28 | 南京梅山冶金发展有限公司 | Conticaster crystallizer combines centralising device and analog detecting method offline |
| CN114074181A (en) * | 2020-08-19 | 2022-02-22 | 宝武装备智能科技有限公司 | Telescopic base for centering detection of continuous casting crystallizer |
| CN114074181B (en) * | 2020-08-19 | 2023-02-10 | 宝武装备智能科技有限公司 | Telescopic base for centering detection of continuous casting crystallizer |
| CN114178495A (en) * | 2020-09-15 | 2022-03-15 | 宝山钢铁股份有限公司 | Automatic centering detection device for continuous casting crystallizer and application method thereof |
| CN114178494A (en) * | 2020-09-15 | 2022-03-15 | 宝山钢铁股份有限公司 | Centering precision supplementing method based on continuous casting crystallizer centering automatic detection device |
| CN114178494B (en) * | 2020-09-15 | 2023-04-11 | 宝山钢铁股份有限公司 | Centering precision supplementing method based on continuous casting crystallizer centering automatic detection device |
| CN114178495B (en) * | 2020-09-15 | 2023-10-17 | 宝山钢铁股份有限公司 | Automatic centering detection device for continuous casting crystallizer and application method of automatic centering detection device |
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| CN101788291B (en) | 2012-02-08 |
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