CN101885055B - Automatically covering/uncovering system of steel ladle - Google Patents
Automatically covering/uncovering system of steel ladle Download PDFInfo
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- CN101885055B CN101885055B CN2010102116894A CN201010211689A CN101885055B CN 101885055 B CN101885055 B CN 101885055B CN 2010102116894 A CN2010102116894 A CN 2010102116894A CN 201010211689 A CN201010211689 A CN 201010211689A CN 101885055 B CN101885055 B CN 101885055B
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Abstract
The invention discloses an automatically covering/uncovering system of a steel ladle. The automatically covering/uncovering system of the steel ladle comprises a steel ladle cover and a steel ladle covering/uncovering mechanism, wherein a trunnion is arranged on the steel ladle cover and in the outwards extending direction of a steel ladle cover body; and in the covering/uncovering process, the trunnion is contacted with the steel ladle covering/uncovering mechanism. The technical scheme provided by the invention can effectively solve the technical problems of mutual interference, unavailable normal operation, various parts, complicated structure, high error rate, high manufacturing cost and the like of an automatically covering system. The automatically covering/uncovering system of the steel ladle has the advantages of delicate design, compact structure, high reliability, capacities of flexibly changing the structural forms and meeting the requirements of different steel shops, high automation degree, greatly reduced labor intensity of workers, low failure rate, and basically no failure and no maintenance in one year.
Description
Technical field
The invention belongs to the whole-process automatic capping device that is applied in high-temperature fusant container in the metal smelt; Most popular is to be used in whole-process automatic the adding a cover of ladle in iron-making and steel-making and other metal smelt technology/the take off technical field of lid; Specifically, relate to a kind of automatically covering/uncovering system of steel ladle.
Background technology
In the metal smelt technical field, particularly in the process for making, reduce thermal losses and be particularly one of energy-saving and cost-reducing important index of steel mill of metal smelt.
At present, in steelmaking process, the whole-process automatic convering system that adds of ladle is exactly that ladle reduces new technology, the new equipment that liquid steel temperature descends in transportation molten steel process.In steel-making practice, in order to give molten steel insulation, steel mill even temporarily added lid for the ladle of having adorned molten steel, and these all can not solve the fundamental requirement of ladle heat radiation.And give the whole-process automatic device of adding a cover of ladle, its energy-saving and cost-reducing effect is conspicuous, also is that steel mill wants to go up new mechanism, the new equipment because of there not being the new technology support not go up always.In fact, some steel mills have begun the ladle stamp operation already on the conticaster platform, number are 200420016376.3 to disclose a kind of " the automatic capping device of conticaster ladle " like one Chinese patent application.Yet, owing to this prior art is only added a cover in the short time at continuous casting platform, and can not whole process add a cover, liquid steel temperature descends still very fast.Add to add a cover also and want various auxiliary equipment at continuous casting platform; Such as driving and turning arm; Like this, still do not reach requirement for the effect of molten steel insulation at all, also make this technological operability in practical application, receive very big restriction; Come thereby make this technology be difficult to popularize, can't accomplish that ladle whole process in recycling process is covered by ladle or takes off lid to ladle stamp.
In the prior art; One Chinese patent application number be 200720000491.5 with number of patent application be 200920105666.8 two parts of patents; All disclose a kind of automatic capping device, comprised lid, be arranged at the coupler body of said lid side, be arranged in three suppending holes of said lid upper surface; Three formations such as gear shaping rod member that cooperate with said suppending hole; This prior art has solved the technical problem that the high-temperature fusant container can't whole-process automaticly be added a cover, but in actual use, still has many technological deficiencies:
1, because suppending hole of the prior art is arranged on the said lid upper surface, cause the height of automatic capping device very high; And the most steel mills of China are after the refining furnace refining, and buggy ladle will pass refining furnace to lifting station, owing to the useful space of refining furnace or smelting furnace is little; Insufficient height is high, at this moment, and when the operation of lid is added a cover or taken off to needs; Automatically add convering system and often mutual interference can occur; Situation that can't operate as normal will be if overlong time will cause the waste of whole Baogang water when serious.
2, three suppending holes of above-mentioned available technology adopting, and three versions such as gear shaping rod member that cooperate with said suppending hole cause that to add a cover the system zero parts automatically various, complex structure, and error rate is high, and manufacturing cost is high.
Summary of the invention
Technical problem to be solved by this invention is; Because the available technology adopting suppending hole is arranged on the said lid upper surface, causes the height of automatic capping device very high, and then when adding a cover or taking off the operation of lid; Automatically add convering system and often mutual interference can occur; Situation that can't operate as normal will be if overlong time will cause the waste of whole Baogang water when serious; And three suppending holes of available technology adopting, and three versions such as gear shaping rod member that cooperate with said suppending hole cause that to add a cover the system zero parts automatically various; Complex structure; Error rate is high, manufacturing cost high-technology problem, and a kind of automatically covering/uncovering system of steel ladle is provided.
Design of the present invention is; The suppending hole that is arranged in the ladle cover upper surface in the prior art is given up need not; Again design new construction, promptly the gudgeon that height does not wait is set, the form of utilizing ladle lid side gudgeon to cooperate with taper slide in ladle lid side; Said ladle lid is sling, realized the function of automatically covering/uncovering.
Technical scheme provided by the present invention is; A kind of automatically covering/uncovering system of steel ladle; Comprise ladle lid and ladle uncovery mechanism, said ladle covers and is provided with gudgeon, and said gudgeon position is on the outward extending direction of said ladle lid body; In the uncovery process, said gudgeon contacts with two taper slide inclined-planes of said ladle uncovery Distribution of Institutions both sides.
Said gudgeon is arranged on the side surface of said ladle lid.
Described gudgeon comprises first gudgeon, second gudgeon, third ear axle, the 4th gudgeon, and said first gudgeon and third ear axle are arranged in homonymy, and said second gudgeon and the 4th gudgeon are arranged in homonymy; Said first gudgeon and the second gudgeon symmetric arrangement, said third ear axle and the 4th gudgeon symmetric arrangement.
Said first gudgeon and second gudgeon are on the same horizontal plane, and said third ear axle and the 4th gudgeon are on the same horizontal plane.
Said ladle uncovery mechanism comprises that the side is taken off and covers taper slide and lift cylinder, and said lift cylinder comprises raising rod, and said side is taken off and covered taper slide one end and connect raising rod, the framework flexible connection of the other end and said ladle uncovery mechanism.
Said ladle uncovery mechanism comprises that two said sides are taken off and covers taper slide that said side is taken off and covered taper slide with respect to the corresponding layout of gudgeon.
The ultimate range covered between the taper slide is taken off less than the ultimate range of two gudgeons on axially in said two sides.
Said side is taken off and is covered taper slide and comprise contact site, buffer part and outer end, and raising up near the buffer part place in said outer end forms the summit of rounding off.
Said side is taken off and is covered taper slide and comprise the described contact site of plurality of sections, buffer part and outer end; Said raising rod connects near taking off the summit of covering taper slide in said side.
Said automatically covering/uncovering system of steel ladle also comprises ladle, and said ladle is arranged on the buggy ladle, and said ladle shell is provided with outward extending free bearing, and the hinge hook that said free bearing and ladle cover is connected.
Technical scheme provided by the present invention can effectively solve because the available technology adopting suppending hole is arranged on the said lid upper surface; Cause the height of automatic capping device very high; And then when adding a cover or taking off the operation of lid, add convering system automatically and often mutual interference can occur, situation that can't operate as normal; If overlong time will cause the waste of whole Baogang water when serious; And three suppending holes of available technology adopting, and three versions such as gear shaping rod member that cooperate with said suppending hole cause that to add a cover the system zero parts automatically various; Complex structure; Error rate is high, manufacturing cost high-technology problem, and have following technique effect:
The whole-process automatic advantage that adds convering system of hinge side taper slide formula ladle
A. design ingenious, compact conformation, reliability is high, is fit to very much the metal smelt occasion that particularly the such environment of steel mill is abominable and buggy ladle passes smelting furnace or refining furnace.
B. the operating mode according to steelshop is different with environment, can change version flexibly, adapts to the needs of different steelshops.
C. automaticity is high, and working strength of workers reduces greatly.
D. all be rigid construction, fault rate is low, has basically no fault in 1 year, does not have maintenance.
Description of drawings
In conjunction with accompanying drawing, invention is further described:
Fig. 1 is a working state structure sketch map of the present invention;
Fig. 2 is structural representation behind the ladle stamp of the present invention;
Fig. 3 is a ladle uncovery mechanism structure sketch map of the present invention;
Fig. 4 covers procedure structure sketch map (take off and cover the first step) for the present invention takes off;
Fig. 5 covers procedure structure sketch map (take off and covered for second step) for the present invention takes off;
Fig. 6 is ladle lid structural representation of the present invention;
Fig. 7 is that the A of Fig. 6 is to view;
Fig. 8 is the side structure sketch map of ladle lid of the present invention;
Wherein, 1 is the ladle lid; 2 is ladle uncovery mechanism; 3 is ladle; 4 is buggy ladle; 5 is first gudgeon; 6 is second gudgeon; 7 is the third ear axle; 8 is the 4th gudgeon; 9 is taper slide; 10 is lift cylinder; 11 is raising rod; 12 is free bearing; 13 are the hinge hook; 14 is the outer end; 15 is buffer part; 16 is contact site.
The specific embodiment
Shown in Fig. 1-8; Technical scheme provided by the present invention is that a kind of automatically covering/uncovering system of steel ladle comprises ladle lid 1 and ladle uncovery mechanism 2; Said ladle lid 1 is provided with gudgeon; Said gudgeon position covers on the outward extending direction of 1 body at said ladle, and in the uncovery process, said gudgeon contacts with said ladle uncovery mechanism 2.Said gudgeon is arranged on the side surface of said ladle lid 1.Described gudgeon comprises first gudgeon 5, second gudgeon 6, third ear axle 7, the 4th gudgeon 8, and said first gudgeon 5 is arranged in homonymy with third ear axle 7, and said second gudgeon 6 and the 4th gudgeon 8 are arranged in homonymy; Said first gudgeon 5 and second gudgeon, 6 symmetric arrangement, said third ear axle 7 and the 4th gudgeon 8 symmetric arrangement.Said first gudgeon 5 and second gudgeon 6 are on the same horizontal plane, and said third ear axle 7 and the 4th gudgeon 8 are on the same horizontal plane.Said ladle uncovery mechanism 2 comprises that the side is taken off and covers taper slide 9 and lift cylinder 10; Said lift cylinder 10 comprises raising rod 11; Said side is taken off and is covered taper slide 9 one ends and connect raising rod 11, the framework flexible connection of the other end and said ladle uncovery mechanism 2.Said ladle uncovery mechanism 2 comprises that two said sides are taken off and covers taper slide 9 that said side is taken off and covered taper slide 9 with respect to the corresponding layout of gudgeon.The ultimate range covered between the taper slide 9 is taken off less than the ultimate range of two gudgeons on axially in said two sides.Said side is taken off and is covered taper slide 9 and comprise contact site 16, buffer part 15 and outer end 14, and raising up near buffer part 15 places in said outer end 14 forms the summit of rounding off.Said side is taken off and is covered taper slide 9 and comprise the described contact site of plurality of sections 16, buffer part 15 and outer end 14; Said raising rod 11 connects near taking off the summit of covering taper slide 9 in said side.Said automatically covering/uncovering system of steel ladle also comprises ladle 3, and said ladle 3 is arranged on the buggy ladle 4, and said ladle 3 shells are provided with outward extending free bearing 12, and said free bearing 12 is connected with the hinge hook 13 that ladle covers on 1.
Problem to be solved by this invention, more existing ladles 3 are added a cover operation far can not reach the desired energy-saving and cost-reducing effect of steel mill, and the most of heat that in ladle 3 refractory linings and bag, scatters and disappears the molten steel does not obtain effective must control yet.Technical scheme provided by the present invention is combining the particularly actual condition of iron company of domestic metal smelt technology, develops the whole-process automatic ladle 3 of hinge taper slide 9 formulas that is fit to the use of domestic steel mill fully and adds convering system.And the most steel mills of China are after the refining furnace refining, and buggy ladle 4 will pass refining furnace to lifting station, owing to the useful space of refining furnace or smelting furnace is little; Insufficient height is high, and at this moment, the buggy ladle that has added lid just can't pass refining furnace (because the ladle lid has increased the effective depth of buggy ladle); Automatically adding convering system often can occur interfering; Situation that can't operate as normal will be if overlong time will cause the waste of whole Baogang water when serious; Taper slide 9 formula ladles 3 in hinge provided by the present invention side are whole-process automatic to add that convering system is extraordinary to be solved these problems, and has filled up the blank of China in the metal smelt field.
The technological process of high-temperature fusant bag (ladle 3)
The route of high-temperature fusant bag (ladle 3) flow process is:
--oven dry--storage area---converter (or electric furnace) that high-temperature fusant bag (ladle 3) is built by laying the district
(1) converter (or electric furnace)--continuous casting platform--deslagging (or fall surplus steel)---high-temperature fusant bag (ladle 3) tipping table
(2) converter (or electric furnace)--LF refining furnace--continuous casting platform--deslagging (or fall surplus steel)---ladle 3 tipping tables
(3) converter (or electric furnace)--RH refining furnace--continuous casting platform--deslagging (or fall surplus steel)---high-temperature fusant bag (ladle 3) tipping table
(4) converter (or electric furnace)--LF refining furnace--RH refining furnace--continuous casting platform--deslagging (or fall surplus steel)---high-temperature fusant bag (ladle 3) tipping table
(5) converter (or electric furnace)--RH refining furnace--LF refining furnace--continuous casting platform--deslagging (or fall surplus steel)---high-temperature fusant bag (ladle 3) tipping table
The technological process that high-temperature fusant bag (ladle 3) is added a cover
--oven dry--storage rack--baking--handling is to high-temperature fusant bag (ladle 3)---converter (or electric furnace) that high-temperature fusant bag (ladle 3) lid is built by laying the district
(1) converter (or electric furnace) lifting station--is taken off lid and--is received steel and--add a cover--continuous casting platform--deslagging (or fall surplus steel)--high-temperature fusant bag (ladle 3) tipping table--steel lid handling maintenance---storage rack
(2) converter (or electric furnace) lifting station--is taken off lid and--is received steel and--add a cover------continuous casting platform--deslagging (or fall surplus steel)--high-temperature fusant bag (ladle 3) tipping table--steel lid handling maintenance---storage rack of adding a cover (going out the LF refining furnace) of taking off lid (advancing the LF refining furnace)
(3) converter (or electric furnace) lifting station--is taken off lid and--is received steel and--add a cover------continuous casting platform--deslagging (or fall surplus steel)--high-temperature fusant bag (ladle 3) tipping table--steel lid handling maintenance---storage rack of adding a cover (going out the RH refining furnace) of taking off lid (advancing the RH refining furnace)
(4) converter (or electric furnace) lifting station--is taken off lid and--is received steel and--add a cover----------continuous casting platform--deslagging (or fall surplus steel)--high-temperature fusant bag (ladle 3) tipping table--steel lid handling maintenance---storage rack of adding a cover (going out the RH refining furnace) of taking off lid (advancing the RH refining furnace) of adding a cover (going out the LF refining furnace) of taking off lid (advancing the LF refining furnace)
(5) converter (or electric furnace) lifting station--is taken off lid and--is received steel and--add a cover----------continuous casting platform--deslagging (or fall surplus steel)--high-temperature fusant bag (ladle 3) tipping table--steel lid handling maintenance---storage rack of adding a cover (going out the LF refining furnace) of taking off lid (advancing the LF refining furnace) of adding a cover (going out the RH refining furnace) of taking off lid (advancing the RH refining furnace)
Taper slide 9 formula high-temperature fusant bags (ladle 3) in hinge side add the principle of convering system
Ladle 3 adds the composition of convering system
Ladle 3 adds convering system by: ladle lid 1; Be welded in the free bearing 12 on the ladle 3; Hinge hook 13 on the clad; Capping mechanism; Ladle covers 1 roaster; Tipping table hangs up the clad baffle plate; Ladle covers 1 storage rack; Hydraulic power unit; Control circuit; Deng composition
High-temperature fusant bag (ladle 3) is added a cover principle
(1). hinge side taper slide 9 formula ladles 3 whole-process automatic capping mechanisms
Ladle 3 is taken off lid
When the ladle uncovery mechanism 2 of the buggy ladle 4 of band ladle lid 1 before being arranged in smelting furnace or refining furnace passed through, the tooth-like taper slide 9 of the oblique cutting of ladle uncovery mechanism 2 inserted four gudgeons that ladles cover 1 side.Along with buggy ladle 4 moves on, 12 of ladle free bearings are pushing away ladle lid 1 through ladle hinge hook 13, on the tooth-like taper slide of oblique cutting 9 inclined-planes, advance, and ladle lid 1 is raised, and break away from ladle 3 simultaneously and rest in the uncovery mechanism.After molten steel refining in smelting furnace or refining furnace is accomplished, reach ladle uncovery mechanism 2 again, when passing ladle 3 uncovery, ladle lid 1 is left behind by 12 of ladle free bearings, accomplishes the action that ladle 3 is added a cover.Then, the tooth-like taper slide 9 of the oblique cutting in the ladle uncovery mechanism 2 is raised oil cylinder 10 and promotes, and makes buggy ladle 4 through uncovery mechanism, passes smelting furnace or refining furnace again to ladle 3 lifting stations, accomplishes the operation of liquid steel refining.
When ladle lid 1 needed repairing, the gudgeon that hangs on the ladle lid 1 through driving took off from ladle 3.3 whole-process automatic capping mechanism use occasion and the configurations of hinge side taper slide 9 formula ladles
Hinge side taper slide 9 formula ladles 3 whole-process automatic capping mechanisms are suitable for the cover process that adds of elevated temperature vessel in all smelting processes.All have ample scope for one's abilities in industries such as steel-making, copper metallurgys.
The configuration of ladle uncovery mechanism 2 in process for making: fall lifting stations such as surplus steel station in each converter, electric furnace, LF refining furnace, RH refining furnace (comprising double) and all respectively adorn a uncovery mechanism; According to the ladle 3 online amounts of recycling, increase new block ladle and cover 1 roaster; Ladle covers 1 storage rack; Ladle 3 tipping table baffle plates (also wanting oil cylinder driving sideboard in case of necessity).
The direct benefit that whole-process automatic ladle 3 technology of adding a cover is brought
(1) cooling of molten steel in the minimizing ladle 3, the molten steel tapping temperature can reduce, and reduces the energy and supplies consumption.
(2) in case ladle 3 gets into online recycling, the ladle 3 online roasters between the heat can be exempted.
(3) ladle 3 online turn around times can be accelerated, and reduce the online usage quantity of ladle 3.With 150 tons of ladles 3 is example, reduces by an online ladle and can practice thrift 2,720,000 yuans in 3, one years.
(4) reduce the temperature fluctuation of molten steel in ladle 3, tundish and crystallizer, improve casting quality.
(5) exempt in the casting process assistant heating to tundish.
(6) recovery rate of iron is more stable, reduces the generation of the steel scrap in the ladle 3.
(7) the free casting rate of raising ladle 3 slide gate nozzles
(8) owing to high insulating effect, the liner crust is few, reduces the cleaning demand to the edge and the slag line of ladle 3, when cleaning, has reduced the mechanical damage to ladle 3 liners.
(9) reduce labour intensity and improve the personal security protection.
The economic benefit that whole-process automatic ladle 3 technology of adding a cover is brought
(1) the online ladle that recycles 3 quantity reduce, if be 150 tons ladle 3, one of the every minimizing of online quantity brought the benefit of 2,720,000 yuan RMB in 1 year to steel mill.
(2) owing to the reduction of molten steel tapping temperature, the molten steel oxidation degree just diminishes, and has reduced the consumption of deoxidier.
(3) reduced the erosion of the refractory lining of converter and ladle 3, converter and ladle 3 use the heat amounts to increase, and have prolonged service life.Originally ladle 3 uses heat to be 14-16 time, is 30-32 time now.
(4) time cycle of whole process for making operation is shortened, and has improved the efficient of steel-making.
(5) potential steelshop productivity ratio obtains greatly to improve.
(6) steelshop labour's demand is reduced.Through measuring and calculating, reduction is between 10%-16%.
(7) operating space of ladle 3 service areas can reduce to original 25%--30%.
(8) different according to appointed condition, operating environment and the managerial skills of steel mill adopt whole-process automatic ladle 3 to add convering system, can reduce expenses to be 23-68 unit/per ton.
(9) waste material in the steelmaking process significantly reduces, like byproducts such as additive, reactant and fire-resistant waste product etc.
(10) because ladle 3 is added a cover, heat waste reduces, and can reduce tapping temperature.Just can use the low molten steel of silicon content, silicon content is low can be increased the productivity ratio of blast furnace and reduce coke ratio.
(11) reduce tapping temperature, just can reduce the mixing ratio between molten iron and the steel scrap.The every reduction of tapping temperature once, this mixing ratio just reduces 0.054%.
(12) reduce tapping temperature and can increase recovery rate of iron, because reduced the amount of the iron that is oxidized to FeO, these oxidized FeO get in the slag at last.According to test, the every reduction of tapping temperature once, recovery rate of iron just increases by 0.02%.
(13) reduced aluminium consumption, the every reduction of molten steel per ton once, aluminium consumption reduces 0.045Kg.
(14) the cold melt process can reduce the flowability of slag in the converter, thereby reduces the quantity of slag down.
(15), make the prolongation in service life of the anti-material of ladle 3, and can cancel coverture because ladle 3 insulation of adding a cover.
(16) ladle 3 bottom blob of slags crust thickness are reduced to minimumly, and this has just improved the performance of air brick and slide gate nozzle.
(17) after ladle 3 was added a cover, ladle 3 edge skull thickness became minimum, and this will increase output 0.25%--0.5%.
(18) degree of superheat that is fit to during continuous casting can reduce the phenomenon that the aluminium field trash stops up the mouth of a river, can improve the performance and the quality of continuous casting thus.The process that guarantees continuous casting is through the actual measurement at steel mill; The economic data of above reduction effect can draw: after omnidistance automatically covering/uncovering system of steel ladle adds a cover for ladle 3; Can make tapping temperature reduce by 6 ℃--15 ℃; Thereby reduced process cost and process energy consumption, reduced by 8 ℃ with tapping temperature, producing steel per ton per year behind employing ladle 3 capping devices is 19.12 yuan/ton/years to the direct economic benefit that steel mill can bring.If produce 1000000 tons of steel per year, then direct economic benefit is: 1,912 ten thousand yuan/year.
Below only be most preferred embodiment of the present invention, any deformation design on the basis of the present invention's design all belongs to protection scope of the present invention.
Claims (7)
1. automatically covering/uncovering system of steel ladle; Comprise ladle lid (1) and ladle uncovery mechanism (2); It is characterized in that said ladle lid (1) is provided with gudgeon, said gudgeon position covers on the outward extending direction of (1) body at said ladle; In the uncovery process, said gudgeon contacts with said ladle uncovery mechanism (2); Said gudgeon is arranged on the side surface of said ladle lid (1); Described gudgeon comprises first gudgeon (5), second gudgeon (6), third ear axle (7), the 4th gudgeon (8), and said first gudgeon (5) is arranged in homonymy with third ear axle (7), and said second gudgeon (6) is arranged in homonymy with the 4th gudgeon (8); Said first gudgeon (5) and second gudgeon (6) symmetric arrangement, said third ear axle (7) and the 4th gudgeon (8) symmetric arrangement; Said first gudgeon (5) is on the same horizontal plane with second gudgeon (6), and said third ear axle (7) is on the same horizontal plane with the 4th gudgeon (8).
2. a kind of automatically covering/uncovering system of steel ladle according to claim 1; It is characterized in that; Said ladle uncovery mechanism (2) comprises that the side is taken off and covers taper slide (9) and lift cylinder (10); Said lift cylinder (10) comprises raising rod (11), and said side is taken off and covered taper slide (9) one ends connection raising rod (11), and the framework of the other end and said ladle uncovery mechanism (2) flexibly connects.
3. a kind of automatically covering/uncovering system of steel ladle according to claim 2 is characterized in that, said ladle uncovery mechanism (2) comprises that two said sides are taken off and cover taper slide (9) that said side is taken off and covered taper slide (9) with respect to the corresponding layout of gudgeon.
4. a kind of automatically covering/uncovering system of steel ladle according to claim 3 is characterized in that, the ultimate range covered between the taper slide (9) is taken off less than the ultimate range of two gudgeons on axially in said two sides.
5. a kind of automatically covering/uncovering system of steel ladle according to claim 4; It is characterized in that; Said side is taken off and is covered taper slide (9) and comprise contact site (16), buffer part (15) and outer end (14), and locating to raise up near buffer part (15) in said outer end (14) forms the summit of rounding off.
6. a kind of automatically covering/uncovering system of steel ladle according to claim 5 is characterized in that, said side is taken off and covered taper slide (9) and comprise the described contact site of plurality of sections (16), buffer part (15) and outer end (14); Said raising rod (11) connects take off the summit of covering taper slide (9) in said side near.
7. a kind of automatically covering/uncovering system of steel ladle according to claim 6; It is characterized in that; Said automatically covering/uncovering system of steel ladle also comprises ladle (3); Said ladle (3) is arranged on the buggy ladle (4), and said ladle (3) shell is provided with outward extending free bearing (12), and said free bearing (12) is connected with the hinge hook (13) that ladle covers on (1).
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| CN2010102116894A CN101885055B (en) | 2010-06-28 | 2010-06-28 | Automatically covering/uncovering system of steel ladle |
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| CN2010102116894A CN101885055B (en) | 2010-06-28 | 2010-06-28 | Automatically covering/uncovering system of steel ladle |
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| CN101885055B true CN101885055B (en) | 2012-07-25 |
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| CN103464731A (en) * | 2012-06-06 | 2013-12-25 | 江苏迪萨机械有限公司 | Electro-hydraulic drive M-shaped steel ladle capping and decapping device |
| CN103691923A (en) * | 2013-12-14 | 2014-04-02 | 苏州市新虞仪表成套设备有限公司 | Gear shaping structure for removing cover of steel ladle |
| CN109706287A (en) * | 2019-03-06 | 2019-05-03 | 大连理工高邮研究院有限公司 | A kind of swinging hook type converter covering/uncovering device and method |
| CN112439893A (en) * | 2020-11-06 | 2021-03-05 | 山东钢铁集团日照有限公司 | Method for covering and insulating molten iron ladle in whole process of transporting molten iron ladle to bottom by automobile |
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| CN101885055A (en) | 2010-11-17 |
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