CN201463868U - Continuous casting machine roll-gap test device - Google Patents
Continuous casting machine roll-gap test device Download PDFInfo
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- CN201463868U CN201463868U CN2009200754022U CN200920075402U CN201463868U CN 201463868 U CN201463868 U CN 201463868U CN 2009200754022 U CN2009200754022 U CN 2009200754022U CN 200920075402 U CN200920075402 U CN 200920075402U CN 201463868 U CN201463868 U CN 201463868U
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Abstract
A continuous casting machine roll-gap test device comprises an upper and a lower scissors arms, an upper and a lower arm transmision shafts which are both correspondingly arranged, an upper and a lower rotation wheel driving bands, an upper and a lower corner wheels, an upper and a lower angular displacement sensors, and an elasticity limiting stopper, wherein the upper and the lower angular displacement sensors are connected with the upper and the lower corner wheels and are respectively and electrically connected to a data shed and a regulated power supply, and two ends of the elasticity limiting stopper are respectively connected with the upper and the lower scissors arms which are contacted with an upper and a lower continuous casting roller faces. In the utility model, two corresponding angular displacement sensors are driven by a swinging arm through a swinging angle, which can achieve roll-gap parameters of each casting roller in continuous test metallurgy channels, the roll-gap precision of all casting rollers can be obtained in casting machine metallurgy channels, which can be convenient for casting machine pouring gaps to discover and adjust the casting machine roll-gaps in time, and the casting machine production efficiency is increased.
Description
Technical field
The utility model belongs to conticaster roll gap checkout equipment, particularly is used for the conticaster roll gap proving installation of the gap values between rollers detection of caster roll row.
Background technology
Conticaster all casting rollers on metallurgical passage arrange in pairs that all the roller footpath and the centre distance of every pair of casting roller has determined every pair of corresponding gap values between rollers of casting roller.In whole metallurgical passage, from the crystallizer end opening, the gap values between rollers of every pair of casting roller all needs to determine according to the casting machine technological parameter, and each after determining must be guaranteed to stablize, accurately to the gap values between rollers of casting roller, and accuracy error must be controlled in the 0.5mm.For actual big production of continuous casting, serious drift often takes place because watering the steel accident in gap values between rollers, and stagnate base, bleed-out etc. for example take place, and causes the fan-shaped section that supports the continuous casting roller to bear ultimate load, thereby gross distortion takes place, and then cause the roll gap deviation to surpass 0.5mm.The roll gap deviation exceeds standard and directly causes the casting blank bulging phenomenon abominable, forms many slab quality defectives easily.Because the bulge phenomenon is serious, cause resistance of billet withdrawal sharply to increase simultaneously, this often becomes the one of the main reasons of the base that stagnates.
Therefore open at every turn water before, if can have one very clearly to understand, and then provide data refer just to seem very necessary for the further adjustment of judging casting machine quality and equipment to the casting machine roll gap.Be directed to this, Jap.P. JP55068162A has designed a kind of contact type roll gap proving installation with inflation, this device is because of the straight line contact type roll gap test philosophy that adopts, and therefore the test to the casting machine roll gap has geneogenous swing deviation defective, and precision is difficult to guarantee; Simultaneously, Jap.P. JP59191555A has described casting machine roll gap proving installation, yet this invention so it does not possess water-tight, vapour function, is difficult to guarantee the lasting stability of proving installation because the swing arm of mechanism for testing is installed in the proving installation.
U.S. Pat 4294305A has described a kind of Sledge type roll gap measurement mechanism, this device directly is installed on the dummy bar head, strut casting machine roll gap gap by the both sides leaf spring, adopting scissor metering system to carry out gap values between rollers measures, the enforcement of this patent must be hung away earlier crystallizer, and carry out a roll gap circulation and must adopt dummy bar to spur separately, consuming time very serious, influence be produced; In addition, U.S. Pat 4344232A has designed a kind of many crossbars roll gap proving installation that has external seal of complexity, and this device is not only complicated, and does not possess the on-line testing function, belongs to dummy ingot hair style roll gap proving installation, and is consuming time serious.
Summary of the invention
The purpose of this utility model provides a kind of conticaster roll gap proving installation, realize the roll gap parameter of each casting roller in the metallurgical passage of follow-on test, obtain the roll gap precision of all casting rollers in the metallurgical passage of casting machine, make things convenient for casting machine cast gap can in time find and adjust the casting machine roll gap, improve casting machine productivity.
The technical solution of the utility model is,
A kind of conticaster roll gap proving installation, oscillating arm mechanisms combines with the high precision angular displacement sensor, by being installed on two swing arms in the rotating shaft of closed box side with after continuous casting roller roll surface contacts up and down, swing arm drives the angular displacement sensor of two correspondences of closed box inside by pendulum angle, can realize the roll gap parameter of each casting roller in the metallurgical passage of follow-on test, obtain the roll gap precision of all casting rollers in the metallurgical passage of casting machine.
The casting machine roll gap is overproof, being commonly referred to as after the casting machine crystallizer roller is listed in debugging, specification switching and waters in the process of steel accident, certain or some in pairs the roll centre of casting roller apart from having broken away from the original design gap values between rollers, cause local roll gap overproof, this phenomenon is to cause casting machine one of the main root of harm such as base, bleed-out that produce to stagnate. and for the online roll gap testing environment of casting machine, require pick-up unit can accurately detect each roll surface distance value to the casting roller on simple and easy and the basis that is easy to safeguard, the utility model carries out a kind of proving installation of specific aim design just to this.
The technical solution of the utility model is,
A kind of conticaster roll gap proving installation, it comprises, last shear arm, the upper arm transmission shaft supports by pair of supporting, and upper arm transmission shaft one end connects an end of going up shear arm; Last rotor wheel, the coaxial upper arm transmission shaft that is fixed in; Last corner wheel is connected the transmission of realization band by driving-belt with the outer platyopia of last rotor wheel; Last angular displacement sensor is connected in the corner wheel; The lower scissors arm, the underarm transmission shaft, it is a hollow structure, supports by pair of supporting, underarm transmission shaft one end connects an end of lower scissors arm; The coaxial upper arm transmission shaft that is sheathed on; Following rotor wheel, the coaxial underarm transmission shaft that is fixed in; Following corner wheel is connected the transmission of realization band by driving-belt with the outer platyopia of following rotor wheel; Following angular displacement sensor is connected in down the corner wheel; Last power wheel equates with the ratio of gear that lower driving wheel and following corner are taken turns with ratio of gear between the last corner wheel; Upper and lower angular displacement sensor electrically connects data base and stabilized voltage supply respectively; Elastic limit device, two ends connect upper and lower shear arm respectively, and upper and lower shear arm contacts with continuous casting roller roll surface up and down.
Further, described elastic limit device comprises top connection, the lower sub that connects upper and lower shear arm respectively, connects the bolt of top connection, lower sub, is sheathed on the spring of bolt, and both ends of the spring is respectively against top connection, lower sub.
Again, the described underarm transmission shaft of going up is connected by spline fitted with last lower driving wheel.
The utility model also comprises seal case, and the element except that upper and lower shear arm all is arranged in the seal case, and the corrosion of not cast factors such as steam, two cold water sprays influences.
Described upper and lower power wheel carries out rotary driving by chain or flute profile band and upper and lower corner wheel.
Stretch on the top of elastic limit device spring and to guarantee all the time under the power effect that the extrados of shear arm up and down is close to the roll surface of the inner casting of casting machine roller-way roller.After certain angle deflection takes place in shear arm separately up and down, obvious change can take place in the angle value of upper and lower angular displacement sensor at once, last angular displacement sensor produces corresponding angle signal at once with following angular displacement sensor, this two kinds of signals can be realized angle measurement accurately by demarcation, sequential operation.
The beneficial effects of the utility model
The utility model is by the characteristics of less testing tool, easy structural design and good stable, can realize the trend management of casting machine roll gap, guarantee that operating personnel can in time understand each gap values between rollers distribution situation to the casting roller of casting machine, so that can in time adjust or change fan-shaped section, reduce casting blank defect, improve casting machine efficient.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 is the schematic perspective view of the utility model one embodiment;
Fig. 3 is the structural representation of the angular displacement sensor of shear arm correspondence on the utility model;
Fig. 4 is the structural representation of the angular displacement sensor of the utility model lower scissors arm correspondence;
Fig. 5 is for being that the embodiment that the dummy bar chain of roll gap meter is tested in the casting machine roll gap is installed for the utility model;
Fig. 6 is the synoptic diagram of the utility model one embodiment.
Embodiment
Referring to Fig. 1～Fig. 6, conticaster roll gap proving installation of the present utility model, it comprises, last shear arm 1, upper arm transmission shaft 2 supports by bracing frame 3, and upper arm transmission shaft 2 one ends connect an end of going up shear arm 1; Last rotor wheel 4, the coaxial upper arm transmission shaft 2 that is fixed in; Last corner wheel 5 is connected the transmission of realization band by driving-belt 6 with the outer platyopia of last rotor wheel 4; Last angular displacement sensor 7 is connected in corner wheel 5; Lower scissors arm 8, underarm transmission shaft 9, it is a hollow structure, supports by a bracing frame 3 ', underarm transmission shaft 9 one ends connect an end of lower scissors arm 8; The coaxial upper arm transmission shaft 2 that is sheathed on; Following rotor wheel 10, the coaxial underarm transmission shaft 9 that is fixed in; Following corner wheel 11 is connected the transmission of realization band by driving-belt 6 ' with the outer platyopia of following rotor wheel 10; Following angular displacement sensor 12 is connected in down corner wheel 11; Last power wheel 4 equates with the ratio of gear of lower driving wheel 10 and following corner wheel 11 with the ratio of gear that last corner is taken turns between 5; Upper and lower angular displacement sensor 7,12 electrically connects data base 13 and stabilized voltage supply 14 respectively; Elastic limit device 15, two ends connect upper and lower shear arm 1,8 respectively, and upper and lower shear arm 1,8 contacts with continuous casting roller 16,17 roll surfaces up and down.
Referring to figure, described elastic limit device 15 comprises top connection 151, the lower sub 152 that connects upper and lower shear arm 1,8 respectively, the bolt 153 that connects top connection 151, lower sub 152 is sheathed on the spring 154 of bolt 153, and spring 154 two ends are respectively against top connection 151, lower sub 152.
Again, described underarm transmission shaft 2,9 and the last lower driving wheel 4,10 gone up is connected by spline fitted.
The utility model also comprises seal case 18, and the element except that upper and lower shear arm 1,8 all is arranged in the seal case 18.
Described upper and lower power wheel carries out rotary driving by chain or flute profile band and upper and lower corner wheel.
During test, the utility model is installed on the both sides of dummy bar chain chain link 19, after the shear arm 1,8 that is installed on the utility model survey arc on the dummy bar chain 19 enters the casting machine roll gap, shear arm 1,8 opens round about under the driving action of elastic limit device 15 and contacts with the outer roll surface of casting roller 20,21 up and down, cause and form certain open-angle up and down between the shear arm 1,8, at this moment, corresponding angular displacement sensor up and down 7,12 can detect angle variation range separately at once, and transfers to data base 13 by data line.
On the output signal of angular displacement sensor 7,12, its corresponding relation was as follows about the change of this shear arm 1,8 open-angles that form was reflected to immediately:
ΔG＝f(Δθ)
Δθ＝θ
1-θ
2
In the formula:
θ
1-angle the changing value of angular displacement sensor 7 generations on the correspondence when going up shear arm 1 swing;
θ
2The angle changing value that angular displacement sensor 12 takes place on the correspondence during 8 swings of-lower scissors arm;
The angle phasor difference of Δ θ-upper and lower angular displacement sensor;
Δ G-is the minor increment changing value between the roll surface up and down.
At this moment, data base 13 imported angle signal at once by upper and lower angular displacement sensor 7,12 under the supply of stabilized voltage supply 14, and the data processing of these data by the later stage can obtain to cast up and down the bee-line between the roller roll surface, i.e. gap values between rollers.
Claims (5)
1. conticaster roll gap proving installation is characterized in that, comprise,
Last shear arm,
The upper arm transmission shaft supports by pair of supporting, and upper arm transmission shaft one end connects an end of going up shear arm;
Last rotor wheel, the coaxial upper arm transmission shaft that is fixed in;
Last corner wheel is connected the transmission of realization band by driving-belt with the outer platyopia of last rotor wheel;
Last angular displacement sensor is connected in the corner wheel;
The lower scissors arm,
The underarm transmission shaft, it is a hollow structure, supports by pair of supporting, underarm transmission shaft one end connects an end of lower scissors arm; The coaxial upper arm transmission shaft that is sheathed on;
Following rotor wheel, the coaxial underarm transmission shaft that is fixed in;
Following corner wheel is connected the transmission of realization band by driving-belt with the outer platyopia of following rotor wheel;
Following angular displacement sensor is connected in down the corner wheel;
Last power wheel equates with the ratio of gear that lower driving wheel and following corner are taken turns with ratio of gear between the last corner wheel;
Upper and lower angular displacement sensor electrically connects data base and stabilized voltage supply respectively;
Elastic limit device, two ends connect upper and lower shear arm respectively, and upper and lower shear arm contacts with continuous casting roller roll surface up and down.
2. conticaster roll gap proving installation as claimed in claim 1, it is characterized in that described elastic limit device comprises top connection, the lower sub that connects upper and lower shear arm respectively, connect the bolt of top connection, lower sub, be sheathed on the spring of bolt, both ends of the spring is respectively against top connection, lower sub.
3. conticaster roll gap proving installation as claimed in claim 1 is characterized in that, the described underarm transmission shaft of going up is connected by spline fitted with last lower driving wheel.
4. conticaster roll gap proving installation as claimed in claim 1 is characterized in that also comprise seal case, the element except that upper and lower shear arm all is arranged in the seal case.
5. conticaster roll gap proving installation as claimed in claim 1 is characterized in that, described upper and lower power wheel carries out rotary driving by chain or flute profile band and upper and lower corner wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200754022U CN201463868U (en) | 2009-07-28 | 2009-07-28 | Continuous casting machine roll-gap test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200754022U CN201463868U (en) | 2009-07-28 | 2009-07-28 | Continuous casting machine roll-gap test device |
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| Publication Number | Publication Date |
|---|---|
| CN201463868U true CN201463868U (en) | 2010-05-12 |
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| CN2009200754022U Expired - Fee Related CN201463868U (en) | 2009-07-28 | 2009-07-28 | Continuous casting machine roll-gap test device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567761A (en) * | 2014-12-03 | 2015-04-29 | 田志恒 | Measuring unit for casting roller of continuous casting machine and continuous casting machine measuring instrument employing same |
| CN108351193A (en) * | 2015-10-28 | 2018-07-31 | 株式会社Posco | Device for the roller gap for measuring casting machine |
| CN108436051A (en) * | 2017-02-16 | 2018-08-24 | 宝山钢铁股份有限公司 | A kind of integrated online roll gap meter of chain link |
| CN108692693A (en) * | 2017-04-07 | 2018-10-23 | 宝山钢铁股份有限公司 | A kind of arc measurement structure of the online roll gap meter of jaw type |
| CN108692641A (en) * | 2017-04-07 | 2018-10-23 | 宝山钢铁股份有限公司 | A kind of roll gap measuring mechanism of the online roll gap meter of jaw type |
| CN108687318A (en) * | 2017-04-07 | 2018-10-23 | 宝山钢铁股份有限公司 | A kind of protective device of the roll gap measuring mechanism of the online roll gap meter of jaw type |
| CN109163649A (en) * | 2018-11-09 | 2019-01-08 | 武汉中飞扬测控工程有限公司 | A kind of sensor for measuring the displacement of continuous casting roller-way and rotation and being combined into one |
| CN110520690A (en) * | 2017-02-17 | 2019-11-29 | 苏州科爱佳自动化科技有限公司 | Space flight grade ball bar detection system |
| CN110914006A (en) * | 2017-08-01 | 2020-03-24 | 首要金属科技奥地利有限责任公司 | Measuring device for measuring a casting gap in a continuous casting installation and use of such a measuring device for measuring a casting gap |
-
2009
- 2009-07-28 CN CN2009200754022U patent/CN201463868U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567761A (en) * | 2014-12-03 | 2015-04-29 | 田志恒 | Measuring unit for casting roller of continuous casting machine and continuous casting machine measuring instrument employing same |
| CN104567761B (en) * | 2014-12-03 | 2017-11-07 | 田志恒 | Conticaster casting roll measuring unit and the conticaster measuring instrument with it |
| CN108351193A (en) * | 2015-10-28 | 2018-07-31 | 株式会社Posco | Device for the roller gap for measuring casting machine |
| CN108436051A (en) * | 2017-02-16 | 2018-08-24 | 宝山钢铁股份有限公司 | A kind of integrated online roll gap meter of chain link |
| CN110520690A (en) * | 2017-02-17 | 2019-11-29 | 苏州科爱佳自动化科技有限公司 | Space flight grade ball bar detection system |
| CN110520690B (en) * | 2017-02-17 | 2021-05-25 | 苏州科爱佳自动化科技有限公司 | Space-level ball grid detection system |
| CN108692693A (en) * | 2017-04-07 | 2018-10-23 | 宝山钢铁股份有限公司 | A kind of arc measurement structure of the online roll gap meter of jaw type |
| CN108692641A (en) * | 2017-04-07 | 2018-10-23 | 宝山钢铁股份有限公司 | A kind of roll gap measuring mechanism of the online roll gap meter of jaw type |
| CN108687318A (en) * | 2017-04-07 | 2018-10-23 | 宝山钢铁股份有限公司 | A kind of protective device of the roll gap measuring mechanism of the online roll gap meter of jaw type |
| CN108692693B (en) * | 2017-04-07 | 2020-04-28 | 宝山钢铁股份有限公司 | Radian measurement structure of jaw type online roll gap instrument |
| CN110914006A (en) * | 2017-08-01 | 2020-03-24 | 首要金属科技奥地利有限责任公司 | Measuring device for measuring a casting gap in a continuous casting installation and use of such a measuring device for measuring a casting gap |
| CN109163649A (en) * | 2018-11-09 | 2019-01-08 | 武汉中飞扬测控工程有限公司 | A kind of sensor for measuring the displacement of continuous casting roller-way and rotation and being combined into one |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20130728 |