CN1055423C - Method and apparatus for quick arc starting of block replacing zone of continuous casting machine - Google Patents
Method and apparatus for quick arc starting of block replacing zone of continuous casting machine Download PDFInfo
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- CN1055423C CN1055423C CN93115799A CN93115799A CN1055423C CN 1055423 C CN1055423 C CN 1055423C CN 93115799 A CN93115799 A CN 93115799A CN 93115799 A CN93115799 A CN 93115799A CN 1055423 C CN1055423 C CN 1055423C
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Abstract
The present invention discloses a method and an apparatus for the quick arc connection of a replacing zone of continuous casting machine integration. The present invention is suitable for the repair, the first-aid repair and the quick replacing adjustment of the integral replacing zone of a perpendicular and flexural slab casting machine of a straight crystallizer. Simulation arc connection uses two detection devices with the same structure on an adjustment table, and on-line arc connection uses the adjustment of an arc connection spacer set. The present invention achieves the aims for simplifying debugging operation and compressing debugging time. The method is finished only by 20 min, but usually needs two to three hours. The present invention has the effects on reducing shutdown debugging time and enhancing the work rate of a continuous casting machine. Simultaneously, the present invention has the advantages of improvement of arc connection quality, simple structure of the used detection devices, easy manufacture, low cost, convenient use and work efficiency enhancement. The drawing is the digest attached drawing of a specification.
Description
What the present invention relates to a kind of replacing zone of continuous casting machine connects arc method and device fast, particularly relates to the arc method that connects fast of the vertical-flexure type slab caster integral replacing section with straight shape crystallizer, belongs to the improvement of metallurgical equipment conticaster repair method.
Alleged replacing zone of continuous casting machine is a conticaster secondary cooled supports guider, and for connecting the vitals of the crystallizer and second fan-shaped section, because of its thermic load and force-bearing situation influence, often maintenance is changed.At present, conticaster mostly is curved mould, its integral replacing section constitutes arc by curve roller row, for example: June in 1989, the U.S. on the 24th patent No. 4.953.614 disclosed a kind of " combined type conticaster ", June in 1988, the U.S. on the 22nd patent No. 4.799.535 disclosed a kind of " modular panel billet continuous casting machine ", was curved mould all, and the integral replacing section of joining with it is made up of curve roller row, this arc integral replacing section is when changing, and the online arc ratio that connects is easier to.And for example: September nineteen ninety, the U.S. on the 4th patent US4953614 disclosed a kind of standard-sized conticaster of making, it is a kind of standard-sized heavy slab conticaster, belong to the curved mould structure equally, its integral replacing section is designed to the bowed roller row, on a tilting pad that has a gudgeon, by the slide supporting that has screw drive, can make its horizontal displacement by adjusting screw rod, tilting pad has by the vertical bolt on the slide and passes, can adjust tilting pad and produce displacement around the gudgeon revolution, adjust the hydraulic cylinder of back by the wedge-shaped slot of side direction, wedge locking, the pair roller of its roller row can be changed under not disintegration situation.Thereby its replacing adjustment is easier, and does not have the problem that connects the arc difficulty of adjusting.But; a kind of conticaster of new development with straight shape crystallizer; the roller row of its integral replacing section are made up of straight line roller row and curve roller row two parts; when integral replacing; the straight line roller row roll surface tangent line of arrival end should be in the crystallizer inwall on same vertical line; the curve roller row of the port of export must being listed as with the second fan-shaped section roller of slyness connect arc; therefore; when often overhauling its to connect the arc difficulty big, downtime is long, it is of poor quality to connect arc; every replacing once; the time that connects the arc adjustment needs 3 hours at least, even just can finish in 5 to 6 hours, has a strong impact on the conticaster operating rate; therefore; people are seeking the arc method that connects fast of integral replacing section, and in the hope of shortening the online adjustment time, a kind of method of public use at present is: the integral replacing section is moved to be called carry out template method inspection adjustment roller row on the fast platform and check connecing arc.Fig. 1 is that a kind of inspection by template connects arc method schematic diagram, its objective is the roller row sweep gauge that utilizes perfect condition, this model is pressed the design curve shape, select quality material for use, Precision Machining is made, in order to adjust control roll row curve, then on the conticaster active line by roller row sweep gauge adjustment control integral replacing section, reach and connect arc fast.Its method constitutes: integral replacing section 1 is placed on the fast pedestal 7, insert roller row sweep gauge 2, the one end is articulated in the free bearing 6 that is fixed on fast pedestal 7, the other end is by hinge 3 and connecting rod 4, be articulated in free bearing 5, adjust reference side roller row 8, the roller row curve that each roll surface is formed is consistent with typical curve, then, adjust inner arc roller row 9 and 10 distances by the product specification requirement to reference side roller row 8.Fig. 2 is the online arc method schematic diagram that connects fast of template method in the prior art, three rollers row that three rollers are listed as and second fan-shaped section enters the mouth of mouth are listed in use by integral replacing section reference side roller, the corresponding to model 30 of six roller row curves under perfect condition, detect and adjust the position of upper and lower trunnion base repeatedly, make this integral replacing section slyness connect arc, although this method can reach the effect that connects arc fast, have the following disadvantages:
1. using roller row sweep gauge 2 on fast platform is to use more senior material, Precision Machining, because accuracy of manufacture requirement is high, and model too huge (as reaching 4m), the manufacturing cost height uses inconvenience, needs cooperate just and can finish with crane and many people, and the detection adjustment time is long;
2. because the support and connection pin joint of sweep gauge is many, and accumulated error is big, it is low to connect the arc accuracy rate; connect the often inaccessible requirement of arc quality, when connecing arc, need to adjust at least 3～4 times repeatedly when online; sometimes 5～6 times, need to shut down at least 2 hours, perhaps just can finish in 3 to 4 hours.
The objective of the invention is to overcome the above-mentioned deficiency that connects the arc method, the simulation that improves on the debugger connects the arc method, and adopting has the fixing point analoging detecting device, improves to connect arc adjustment precision, reaches the online arc that connects fast, improves the operating rate of conticaster.
Purpose of the present invention can realize by following measure:
The arc method that connects fast of replacing zone of continuous casting machine comprises: the online simulation that connects on arc and the debugger before thereof connects arc.
The online arc that connects is to connect the integral replacing section of arc through simulation, place on the active line of conticaster, connect the arcuation condition by template method detection reference side roller row and second fan-shaped section roller row, adjust the gross thickness that connects the arc shim pack, go up the trunnion base and the horizontal direction position of trunnion base down.
Simulation connects arc, is to carry out centering respectively separately and to adjust through reference side roller row, the inner arc roller row of maintenance, reaches that regulation requires and mould assembling is assembled into the integral replacing section, places on the debugger by the following method step to carry out:
(1) by hydraulic cylinder the integral replacing section is pressed in water distribution header on the debugger after, the perpendicularity of the levelness of detection reference side roller row arrival end roller and straight line roller row;
(2) utilize two nested structures identical and connect the arc checkout gear through each self-align simulation, the end roller that detection reference side roller is listed mouthful and the depth of parallelism of datum line and between distance;
(3) adjust the following trunnion base of casing both sides and the position of going up the horizontal direction of trunnion base, make the depth of parallelism between the position baseline on levelness, port of export roller and the water distribution header of perpendicularity, arrival end roller of reference side straight line roller row and its spacing from, after reaching regulation and requiring, detect between water distribution header and the locating piece gross thickness that connects the arc shim pack that should add when connecing arc when online;
(4) last, the online arc that connects is sent in preparation, with the debugging after the handling of integral replacing section to the conticaster active line, according to detected to connect arc shim pack gross thickness in place, connect the arcuation condition by the model reinspection, after will connecing the arc shim pack and remaking adjustment, it is close in the water distribution header, adjusts the operating pressure of hydraulic cylinder to regulation by hydraulic cylinder.
Be used to implement the simulation that the integral replacing section connects the arc method fast and connect the arc checkout gear, comprise two cover bases and device head thereof, each is made of each device head model, pad and coupon, the top rectangle head of coupon links into an integrated entity model and adjustable pad with securing member, flat-shaped wedge shape is made in the other end of coupon, match with the flat-shaped wedged hole of base, this base and bedplate are one, by positioning and fixing under debugger.
Purpose of the present invention can also realize by following measure:
The base center line of this two analoging detecting device parallels with datum line, detects model and datum line orientation distance B, and the vertical tangent line of the port of export roller roll surface that is listed as greater than the reference side roller is to the distance A of datum line, and B is at least 5mm greater than A.
The pad that detects between model and the rectangle head is made up of the multi-disc pad, and the adjusting range of each pad stack gross thickness is 2～6mm.
Online connect arc operation be with
Connect integral replacing section behind the arc through simulation on the debugger, to the conticaster active line, carried out the online arc adjustment that connects by handling, adopt six roller row arc models, the detection reference side outlet three rollers row and the second fan-shaped section three rollers roll surface curve that row constitute that enters the mouth, reinspection connects the arcuation condition, can adjust connect the arc shim pack once or secondary promptly accurately in place, be pressed in the water distribution header by hydraulic cylinder, be transferred to the operating pressure of regulation.
The present invention has following advantage compared with the prior art:
1. the present invention connects arc fast and is to shorten the online arc that connects of integral replacing section and adjusts the time, is shut down at least 2 hours by need, even finishes in 3 to 4 hours, foreshortens to and shuts down 20 minutes; Usually connect arc and adjust 1 time or 2 times, promptly reach and connect the arc requirement, the conticaster operating rate is greatly improved, reduced since repeatedly adjustment connect arc and cause downtime long, eliminated because of debugging connects arc guide and caused equipment attrition;
2. the present invention's raising connects the arc quality.Because the simulation that improves on the debugger connects the arc checkout gear, make simulation connect the arc precision and improve, overcome huge because of model, requirement on machining accuracy is high and its structure accumulation gap and foozle etc. influence caused connects the low-quality shortcoming of arc.
3. the present invention improves owing to simulation connects the arc checkout gear, and is simple in structure, easy to use, makes easily, with low cost, debugs when detecting, and only needs 2 people to carry out, and both reduces labor intensity, and increases work efficiency again.
The drawing of accompanying drawing is described as follows:
Fig. 1 is that a kind of fast platform template method of explanation prior art integral replacing section connects arc method schematic diagram fast;
Fig. 2 is the online schematic diagram that connects arc of integral replacing section;
Fig. 3 is that the simulation of integral replacing section of the present invention on debugger connects arc method schematic diagram;
Fig. 4 is the front view that simulation that integral replacing section of the present invention connects the arc method fast connects arc checkout gear structure;
Fig. 5 is the A-A cutaway view of Fig. 4;
Fig. 6 is the B-B cutaway view of Fig. 4;
Below in conjunction with drawings and Examples, the present invention is described in detail:
Fig. 1 is that the fast platform template method of prior art connects the arc method fast, describes in preceding explanation prior art.
With reference to Fig. 2, the online arc that connects of integral replacing section is described, be to simulate the integral replacing section 1 that connects after arc is debugged by the inventive method, be transported on the base slide plate platform that does not provide among the figure of conticaster active line with special hanger, by hydraulic cylinder 11 and water distribution header 12 and water distribution header hydraulic cylinder 25, integral replacing section 1 is compressed.Before compressing 1, should be by this 1 stack gross thickness that connects the arc shim pack that simulation is detected when connecing arc on debugger, the selected arc shim pack 23 that connects, and place between locating piece 24 and the water distribution header, by water distribution header hydraulic cylinder 25 adjust 12 make 1 in place, by hydraulic cylinder 11 it is compressed, then, the levelness of 801 end rollers of check reference side roller row 8 and the roller row perpendicularity of straight line roller row 801 to 807, the inboard roll surface of these roller row and the madial wall of crystallizer 26 are on same vertical plane, use six roller arc models 30 of the prior art again, review terminal three rollers 813 and 812 of outlet of reference side roller row 8, first three roller 281 and 282 of arrival end of the reference side roller row 28 of 811 and second fan-shaped section 27,283 connect the arcuation condition, according to reviewing the result, confirm to connect the fine setting thickness of arc shim pack 23, after adjusting shim pack 23, compress this integral replacing section 1 again, adjust hydraulic cylinder to operating pressure.The online this adjustment that connects arc is adjusted the precision raising because of simulation connects arc, only adjusts 1 time or 2 times, reaches to connect the arc purpose fast.And, set up inner arc side roller row 9,10 respective distance to reference side roller row 8 by product specification; Mix up inner arc side roller row 29 the respective distance of second fan-shaped section 27 equally to reference side roller row 28.
With reference to Fig. 3, the simulation of integral replacing section of the present invention on debugger connects the arc method, integral replacing section 1 is by reference side roller row 8 and inner arc side roller row 9, the integral replacing section is formed in 10 mould assembling, before the assembling, each roller is itemized and is solely carried out the centering adjustment respectively separately by template method of the prior art, parallel between each roller, the roller row meet typical curve, after the mould assembling assembling, handling is to debugger 7t, fall within do not provide on the figure to the conticaster active line on the similar base slide plate platform, by hydraulic cylinder 11t, compress integral replacing section 1 in water distribution header 12t, afterwards, with the level meter that does not provide among the leveling ruler 16 of measuring vertical degree and the figure, the levelness of the end roller 801 of detection reference side roller row 8 and the roller row vertical condition of such of straight line roller row 801 to 807, confirm that the both sides of adjusting integral replacing section 1 respectively have following trunnion base 14 up and down and go up trunnion base 15, position on same horizontal plane respectively, reach the levelness of adjustment reference side roller row and the regulation requirement of perpendicularity, then, simulation is connect arc checkout gear head 13, be loaded under the debugger, this two covering devices structure is identical.Each simulation connects arc checkout gear head 13 and is one with coupon 19, and the flat-shaped wedge hole that flat-shaped wedge shape and base 21 are made in the end of coupon 19 matches.It is to insert whenever detecting when using that dress inserts 13 temporarily, finish detection after, can roll over to remove and take care of separately.By means of analoging detecting device head 13, the depth of parallelism of detection reference side roller row 8 port of export rollers, 813 roll surfaces and datum line and distance A therebetween, according to testing result, adjusting the both sides of this integral replacing section 1 again goes up separately, the adjustment screw rod that does not provide among following trunnion base 14 and 15 the figure, move the position on each trunnion base horizontal plane, make the levelness of reference side roller row 8 arrival end rollers 801, and to the perpendicularity of the straight line roller of 807 rollers row, the depth of parallelism of port of export roller 813 and datum line, after reaching requirement, detect as the given online stack thickness that connects arc shim pack 23 that should add when connecing arc among Fig. 2.
With reference to Fig. 4 and Fig. 5, Fig. 6, integral replacing section of the present invention is simulated the checkout gear head 13 that connects arc and is rectangle and model 17, pad 18 on debugger, connect with screw 20, with coupon 19 be one, the other end of coupon 19, the flat-shaped wedged hole of making flat-shaped wedge shape and base 21 matches, and base 21 is one with the bedplate 22 that is fastened under the debugger.
During operation, actual size situation according to the integral replacing section, can adjust the thickness of pad 18, the front end model 17 that shows this checkout gear head 13 among Fig. 3 to datum line apart from B, should be greater than reference side roller row port of export roller 813 roll surfaces to the datum line distance A, B＞A is at least 5mm, in the location during this two covers checkout gear head 13, should make that line is parallel with datum line therebetween, for the ease of lifting integral replacing section 1, make 13 by means of 19, but make demolition, insert 21 during use, with after take care of separately, easy to use, flexibly, reach the debugging detection that quick simulation connects arc.
Claims (4)
1, a kind of arc method that connects fast of replacing zone of continuous casting machine, comprise: the online simulation that connects on arc and the debugger before thereof connects arc, the said online arc that connects, be to place on the active line of conticaster through simulating the integral replacing section that connects arc, connect the arcuation condition by template method detection reference side roller row and second fan-shaped section roller row, adjustment connects the arc shim pack and reaches, following gudgeon position, it is characterized in that said simulation connects arc, be will be through the reference side roller row of maintenance, inner arc roller row centering are respectively adjusted and the integral replacing section of mould assembling assembling, place on the debugger by the following method step to simulate and connect arc:
(1) by hydraulic cylinder the integral replacing section is pressed in the water distribution header of debugger after, the perpendicularity of the levelness of detection reference side roller row arrival end roller and straight line roller row;
(2) utilize the identical simulation of two nested structures to connect the arc checkout gear, the end roller that detection reference side roller is listed mouthful and the depth of parallelism of datum line, and between distance;
(3) adjust the following trunnion base of casing both sides and the horizontal direction position of last trunnion base, make the depth of parallelism between the position baseline on levelness, port of export roller and the water distribution header of perpendicularity, arrival end roller of reference side straight line roller row, reach its spacing from, after reaching the regulation requirement, detect between water distribution header and the locating piece online when connecing arc, the gross thickness that connects the arc shim pack that should add;
(4) last, the online arc that connects is sent in preparation, with the debugging after the handling of integral replacing section to the conticaster active line, according to simulation connect that arc detects to connect arc shim pack gross thickness in place, connect the arcuation condition by the model reinspection, after will connecing the arc shim pack and remaking adjustment, it is close in the water distribution header, adjusts the operating pressure of hydraulic cylinder to regulation by hydraulic cylinder.
2, a kind ofly be used for the simulation that claim 1 integral replacing section connects the arc method fast and connect the arc checkout gear, comprise two cover bases and device head thereof, it is characterized in that each device head is made of model, pad, coupon, the top rectangle head of coupon is connected with model, pad with securing member, the other end of coupon is made flat-shaped wedge shape, match with the flat-shaped wedged hole of base, this base and bedplate are one, by positioning and fixing under debugger.
3, the integral replacing section according to claim 2 simulation that connects arc fast connects the arc checkout gear, it is characterized in that model that this simulation connects the arc checkout gear to the orientation distance B of datum line greater than the distance A of port of export roller roll surface to datum line, B is at least 5mm greater than A.
4, the integral replacing section according to claim 2 simulation that connects arc fast connects the arc checkout gear, it is characterized in that the pad that this simulation connects the arc checkout gear is made up of the multi-disc pad, and the adjusting range of each pad stack gross thickness is 2～6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93115799A CN1055423C (en) | 1993-09-08 | 1993-09-08 | Method and apparatus for quick arc starting of block replacing zone of continuous casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93115799A CN1055423C (en) | 1993-09-08 | 1993-09-08 | Method and apparatus for quick arc starting of block replacing zone of continuous casting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1100015A CN1100015A (en) | 1995-03-15 |
| CN1055423C true CN1055423C (en) | 2000-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93115799A Expired - Fee Related CN1055423C (en) | 1993-09-08 | 1993-09-08 | Method and apparatus for quick arc starting of block replacing zone of continuous casting machine |
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| Country | Link |
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| CN (1) | CN1055423C (en) |
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| DE102005028711A1 (en) * | 2005-06-20 | 2006-12-28 | Siemens Ag | Process to regulate by algorithm the operation of an adjustable roller segment receiving extruded metal and determine output dimensions |
| CN101748746B (en) * | 2008-12-18 | 2012-01-04 | 鞍钢建设集团有限公司 | Construction method of base of secondary cooling support oriented device of continuous casting machine |
| CN103398704B (en) * | 2013-07-29 | 2015-07-15 | 天津二十冶建设有限公司 | Method for measuring foundation frame at continuous-casting sector-shaped section |
| CN106735008B (en) * | 2017-01-26 | 2018-07-03 | 抚顺新钢铁有限责任公司 | A kind of conticaster tune arc device |
| CN107116193B (en) * | 2017-05-11 | 2022-10-25 | 河钢股份有限公司承德分公司 | Device and method for quickly adjusting opening degree of foot roller of continuous casting crystallizer |
| CN107598104B (en) * | 2017-11-03 | 2022-12-02 | 中冶赛迪上海工程技术有限公司 | Centering tool and centering method for crystallizer and fan-shaped section |
| CN108213371B (en) * | 2018-01-02 | 2019-10-29 | 邯郸钢铁集团有限责任公司 | A kind of method of the dynamic adjustment red base pressure of slab caster |
| CN108723318B (en) * | 2018-04-08 | 2020-04-21 | 防城港中一重工有限公司 | Computer-aided alignment and arc alignment method for fan-shaped section of continuous casting machine |
| CN110102727B (en) * | 2019-05-27 | 2021-06-29 | 中国一冶集团有限公司 | Installation method for replacing guide rail of fan-shaped section of continuous casting machine |
| CN111268587B (en) * | 2020-01-21 | 2021-08-17 | 嘉兴金旅燕科技有限公司 | Weaving roller is changed and is used auxiliary device convenient to levelness is adjusted |
| CN114789242A (en) * | 2021-01-25 | 2022-07-26 | 宝山钢铁股份有限公司 | Online adjusting method for trunnion of bending section of continuous casting machine |
| CN113290356B (en) * | 2021-04-01 | 2023-05-23 | 上海二十冶建设有限公司 | Method for replacing pressing module of vertical continuous casting machine by adopting reverse jacking device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4953614A (en) * | 1987-04-09 | 1990-09-04 | Herbert Lemper | Modular continuous caster |
-
1993
- 1993-09-08 CN CN93115799A patent/CN1055423C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4953614A (en) * | 1987-04-09 | 1990-09-04 | Herbert Lemper | Modular continuous caster |
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| CN1100015A (en) | 1995-03-15 |
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