CN102826490A - Jacking ladle car and applications thereof in vacuum circulating degasification refining method - Google Patents
Jacking ladle car and applications thereof in vacuum circulating degasification refining method Download PDFInfo
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- CN102826490A CN102826490A CN2012103176887A CN201210317688A CN102826490A CN 102826490 A CN102826490 A CN 102826490A CN 2012103176887 A CN2012103176887 A CN 2012103176887A CN 201210317688 A CN201210317688 A CN 201210317688A CN 102826490 A CN102826490 A CN 102826490A
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- ladle
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Abstract
The invention relates to the field of steel refining by vacuum treatment, and particularly relates to a jacking ladle car and applications of the jacking ladle car in a vacuum circulating degasification refining method. The jacking ladle car comprises a car body (11) and a wheel group (12). The jacking ladle car is characterized by also comprising electric jacks (2), a support frame (3), motors (4), a double-input double-output speed reducer (5) and a pneumatic motor (6); bases of the electric jacks (2) are respectively fixed at the four corners at the upper part of the car body (11); movable rods of each electric jack (2) are respectively fixed into pits at the lower parts of the four corners of the support frame (3); and a rotating shaft of each motor (4) is connected with an input shaft of the double-input double-output speed reducer (5), and two output shafts of each double-input double-output speed reducer (5) are connected with one electric jack (2). The jacking ladle car is simple in structure, convenient to manufacture, safe and reliable.
Description
Technical field
The present invention relates to adopt application of vacuum refined steel field, be specially a kind of jacking type ladle chassis and the application in the vacuum circulation degassing purifying method thereof.
Background technology
Vacuum circulation degassing refining (being called for short RH) is a kind of steel secondary refining technology that is used for the production refined steel.During refining, whole molten steel metallurgical reaction carries out in block has the vacuum tank of refractory lining, and the bottom of vacuum tank is the dip pipes of two band refractory linings, and the hot bending pipe is equipped with on top.Pumped gas by the hot bending pipe through gas cooler outside vacuum pump system is discharged to factory building.The molten steel advantage of handling through RH is: alloy does not react with slag basically, and alloy directly adds among the molten steel, and recovery rate is high; Molten steel can rapid and uniform mix; Alloying component can be controlled within the narrow scope; Gas content is low, and inclusion is few, the molten steel high purity; Can also carry out the temperature adjustment of chemical heating with the top rifle,, be beneficial to the sequence casting that continuous casting is produced for conticaster provides good fluidity, high purity, meets the molten steel of casting temperature.In the present RH technology arrangement, the RH buggy ladle is accepted cross-over connection at ladle and is received to move to RH application of vacuum position behind the fully loaded ladle, drives large hydraulic jacking or lifting means by the hydraulic efficiency pressure system in the hydraulic pressure chamber; With mentioning of ladle or buggy ladle, and arrive desired location and carry out the molten steel application of vacuum, its shortcoming is a complex process equipment; Lifting travel is big, and the jacking fulcrum is at ladle bottom, and the resistance to overturning after the ladle jacking is relatively poor; Realize that the ladle up-down needs a special-purpose main equipment and hydraulic efficiency pressure system, and need hydraulic pressure station building, the pipeline of complicated delivery hydraulic pressure oil; The up-down control of ladle is through complicated hydraulic efficiency pressure system, and hydraulic efficiency pressure system comprises: 4 of main pumps, 3 of control pumps; 3 of circulation pumps and fluid control valve instrument; Need arrange Lifting Equipment at the deep basal pit of underground digging-8～10m, or raise technique platform the hydraulic actuating cylinder equipment that promotes is installed, and need to consider the stationary problem of a plurality of hydraulic actuating cylinders.In case and the top of ladle wears steel, molten steel will directly burn ladle jacking apparatus or bont and hydraulic ram.
Summary of the invention
In order to overcome the defective of prior art, a kind of convenience simple in structure, affected, safe and reliable concise equipment are provided, the invention discloses a kind of jacking type ladle chassis and the application in the vacuum circulation degassing purifying method thereof.
The present invention reaches goal of the invention through following technical scheme:
A kind of jacking type ladle chassis; Comprise car body and set of wheels, four jiaos of the car body bottom are respectively equipped with set of wheels, it is characterized in that: also comprise electronic jack, bracing frame, electrical motor, dual input dual output reductor and air motor; Electronic jack has four; The base of electronic jack is separately fixed on four angles of vehicle body upper portion, and the bottom at four angles of bracing frame respectively is provided with a pit, and the shifting bar of each electronic jack is separately fixed in the pit of bottom, four angles of bracing frame; Electrical motor and dual input dual output reductor respectively have two; Every dual input dual output reductor all has two input shafts and two output shafts; Every shaft of motor connects an input shaft of a dual input dual output reductor; Two output shafts of every double output shaft reductor connect an electronic jack, and another root input shaft of dual input dual output reductor and the output shaft of air motor are connected.
Described jacking type ladle chassis, it is characterized in that: electronic jack is selected the screw rod type electric jack for use.
Described jacking type ladle chassis is characterized in that: each set of wheels by two parallel and coaxial bonded assembly wheel form.
When described jacking type ladle chassis is used in the vacuum circulation degassing purifying method; Carry out successively as follows: jacking type ladle chassis is reached under the RH application of vacuum position; Ladle in ladle mounting holder on the jacking type ladle chassis; Overlap driving device jack-up by four screw jacks on the jacking type ladle chassis through two; Jacking type ladle chassis is provided with and prevents ladle mounting horizontally moving device, and is provided with the accident condition actuating device, when having an accident state, ladle and ladle mounting is put back on the ladle chassis.
Arrangement when the present invention uses has been cancelled the pipeline, deep basal pit and the complicated control system that need other Hydraulic Station, hydraulic efficiency equipment, complicacy.Simplified process equipment, shortened lifting travel, the resistance to overturning after the jacking of raising ladle improves safety, simplifies the operation, and exempts construction deep basal pit and pipe arrangement difficulty, the minimizing occupation area of equipment.
When the present invention uses; Elder generation's actuating motor shrinks electronic jack, ladle is placed on the bracing frame of vehicle body upper portion, then places ladle on the bracing frame; The actuating device that starts car body drives car body and goes to the vacuum chamber below of RH stove; The electronic jack of actuating motor jacking is delivered to the application of vacuum position of RH stove with ladle then, and the RH stove can be implemented vacuum refining to the molten steel in the ladle subsequently, after refining finishes; Actuating motor shrinks electronic jack makes ladle break away from the application of vacuum position of RH stove, and ladle is transported to the subsequent processing point.Air motor in order to when the power outage with the ladle safe falling.
Be stability that realizes ladle jacking process and the horizontal applied force that overcomes the vibrations generation, car body is provided with guide piece, and the wheel of ladle chassis can adopt single wheel cycle wheels or two-wheel car wheels according to bearing load.The traveling driving device of car body can be selected centralized driving form of being made up of electrical motor, reductor, coupler, adapter shaft, drg or the dispersion drive form that reducing motor directly is installed for use on the wheel shaft of adhesion wheel group.
For preventing the damage equipment that splashes of high-temperature molten steel and slag, be provided with the protective cover of band refractory material on the ladle chassis.For prevent the ladle bottom wear ladle after molten steel cause bigger harm, under the ladle chassis of application of vacuum position, be provided with the open type accident hole of firebrick lining.Be similarly prevent ladle top wear ladle after molten steel cause bigger harm, on the ladle chassis, be provided with accident molten steel guide piece, and on terrace, be provided with the open type accident hole that has firebrick lining equally with anti-material.Fall and bring injury for preventing in vacuum treated off time, to remain in molten steel and slag in the vacuum chamber, be provided with catching device with anti-material.
The present invention has adopted the new buggy ladle technology arrangement mode with elevating function, after accepting to move to molten steel application of vacuum position behind the fully loaded ladle, through being arranged on lifting mechanism on the ladle chassis with ladle jack-up; Thereby simplified original process equipment, shortened lifting travel, the jacking fulcrum is at the middle part of ladle; Improve the resistance to overturning after the ladle jacking, improved safety, easy to operate; Easy to maintenance; Avoid deep foundation pit construction and pipe arrangement difficulty, reduced occupation area of equipment, reduced construction investment.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the scheme drawing that is connected of electronic jack among the present invention, electrical motor, dual input dual output reductor and air motor (6);
Fig. 3 be the present invention when using with the scheme drawing of ladle jacking to the application of vacuum position.
The specific embodiment
Below further specify the present invention through specific embodiment.
Embodiment 1
A kind of jacking type ladle chassis; Comprise car body 11, set of wheels 12, electronic jack 2, bracing frame 3, electrical motor 4, dual input dual output reductor 5 and air motor 6; As depicted in figs. 1 and 2; Concrete structure is: four jiaos of car body 11 bottoms are respectively equipped with set of wheels 12, and electronic jack 2 has four, and the base of electronic jack 2 is separately fixed on four angles on car body 11 tops; The bottom at 3 four angles of bracing frame respectively is provided with a pit, and the shifting bar of each electronic jack 2 is separately fixed in the pit of bottom, 3 four angles of bracing frame; Electrical motor 4 respectively has two with dual input dual output reductor 5; Every dual input dual output reductor 5 all has two input shafts and two output shafts; The rotating shaft of every electrical motor 4 connects an input shaft of a dual input dual output reductor 5; Two output shafts of every double output shaft reductor 5 connect an electronic jack 2, and another root input shaft of dual input dual output reductor 5 and the output shaft of air motor 6 are connected.
In the present embodiment, electronic jack 2 is selected the screw rod type electric jack for use, each set of wheels 12 by two parallel and coaxial bonded assembly wheel form.
When present embodiment is used in the vacuum circulation degassing purifying method; Carry out successively as follows: jacking type ladle chassis is reached under the application of vacuum position of vacuum degassing furnace; Ladle in ladle mounting holder on the jacking type ladle chassis; Overlap driving device jack-up by four screw jacks on the jacking type ladle chassis through two; Jacking type ladle chassis is provided with and prevents ladle mounting horizontally moving device, and is provided with the accident condition actuating device, when having an accident state, ladle and ladle mounting is put back on the ladle chassis.
Be stability that realizes ladle jacking process and the horizontal applied force that overcomes the vibrations generation, car body is provided with guide piece, and the wheel of ladle chassis can adopt single wheel cycle wheels or two-wheel car wheels according to bearing load.The traveling driving device of car body can be selected centralized driving form of being made up of electrical motor, reductor, coupler, adapter shaft, drg or the dispersion drive form that reducing motor directly is installed for use on the wheel shaft of adhesion wheel group.
For preventing the damage equipment that splashes of high-temperature molten steel and slag, be provided with the protective cover of band refractory material on the ladle chassis.For prevent the ladle bottom wear ladle after molten steel cause bigger harm, under the ladle chassis of application of vacuum position, be provided with the open type accident hole of firebrick lining.Be similarly prevent ladle top wear ladle after molten steel cause bigger harm, on the ladle chassis, be provided with accident molten steel guide piece, and on terrace, be provided with the open type accident hole that has firebrick lining equally with anti-material.Fall and bring injury for preventing in vacuum treated off time, to remain in molten steel and slag in the vacuum chamber, be provided with catching device with anti-material.
When present embodiment used, as shown in Figure 1, first actuating motor 4 shrank electronic jack 2; Ladle 10 is placed on the bracing frame 3 on car body 11 tops, then place ladle 10 on the bracing frame 3, the actuating device that starts car body 1 drives car body 1 and goes to the vacuum chamber below of RH stove 20; As shown in Figure 3 then; The electronic jack 2 of actuating motor 4 jackings is delivered to the application of vacuum position of RH stove 20 with ladle 10, and RH stove 20 can be implemented vacuum refining to the molten steel in the ladle 10 subsequently, after refining finishes; Actuating motor 4 shrinks electronic jack 2 makes ladle 10 break away from the application of vacuum position of RH stove 20, and ladle 10 is transported to the subsequent processing point.Air motor 6 in order to when the power outage with the ladle safe falling.
Claims (5)
1. jacking type ladle chassis; Comprise car body (11) and set of wheels (12); Four jiaos of car body (11) bottom are respectively equipped with set of wheels (12), it is characterized in that: also comprise electronic jack (2), bracing frame (3), electrical motor (4), dual input dual output reductor (5) and air motor (6)
Electronic jack (2) has four; The base of electronic jack (2) is separately fixed on four angles on car body (11) top; The bottom at (3) four angles of bracing frame respectively is provided with a pit, and the shifting bar of each electronic jack (2) is separately fixed in the pit of (3) four bottoms, angle of bracing frame;
Electrical motor (4) and dual input dual output reductor (5) respectively have two; Every dual input dual output reductor (5) all has two input shafts and two output shafts; The rotating shaft of every electrical motor (4) connects an input shaft of a dual input dual output reductor (5); Two output shafts of every double output shaft reductor (5) connect an electronic jack (2), and another root input shaft of dual input dual output reductor (5) is connected with the output shaft of air motor (6).
2. jacking type ladle chassis as claimed in claim 1 is characterized in that: electronic jack (2) is selected the screw rod type electric jack for use.
3. according to claim 1 or claim 2 jacking type ladle chassis is characterized in that: each set of wheels (12) by two parallel and coaxial bonded assembly wheel form.
4. according to claim 1 or claim 2 the application of jacking type ladle chassis in the vacuum circulation degassing purifying method; It is characterized in that: carry out successively as follows: jacking type ladle chassis is reached under the application of vacuum position of vacuum degassing furnace; Ladle in ladle mounting holder on the jacking type ladle chassis; Overlap driving device jack-up by four screw jacks on the jacking type ladle chassis through two; Jacking type ladle chassis is provided with and prevents ladle mounting horizontally moving device, and is provided with the accident condition actuating device, when having an accident state, ladle and ladle mounting is put back on the ladle chassis.
5. the application of jacking type ladle chassis as claimed in claim 3 in the vacuum circulation degassing purifying method; It is characterized in that: carry out successively as follows: jacking type ladle chassis is reached under the application of vacuum position of vacuum degassing furnace; Ladle in ladle mounting holder on the jacking type ladle chassis; Overlap driving device jack-up by four screw jacks on the jacking type ladle chassis through two; Jacking type ladle chassis is provided with and prevents ladle mounting horizontally moving device, and is provided with the accident condition actuating device, when having an accident state, ladle and ladle mounting is put back on the ladle chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103176887A CN102826490A (en) | 2012-08-31 | 2012-08-31 | Jacking ladle car and applications thereof in vacuum circulating degasification refining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103176887A CN102826490A (en) | 2012-08-31 | 2012-08-31 | Jacking ladle car and applications thereof in vacuum circulating degasification refining method |
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| Publication Number | Publication Date |
|---|---|
| CN102826490A true CN102826490A (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012103176887A Pending CN102826490A (en) | 2012-08-31 | 2012-08-31 | Jacking ladle car and applications thereof in vacuum circulating degasification refining method |
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| CN (1) | CN102826490A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103288012A (en) * | 2013-03-06 | 2013-09-11 | 青岛威达机械制造有限公司 | Horizontally-moving jacking transferring trolley |
| CN106424683A (en) * | 2016-10-28 | 2017-02-22 | 中冶华天南京工程技术有限公司 | Treatment method and device of ladle accidents in ladle transfer process |
| CN110006249A (en) * | 2019-03-28 | 2019-07-12 | 中国核电工程有限公司 | High activity liquid waste calcining furnace and movement system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070278722A1 (en) * | 2006-06-02 | 2007-12-06 | Siemens Vai Metals Tech Gmbh | Hoisting mechanism for steel processing ladles in rh degassers |
| CN101525680A (en) * | 2009-04-02 | 2009-09-09 | 上海宝钢工程技术有限公司 | Ladle lifting hydraulic system using vacuum circulation degassing method |
| CN201381340Y (en) * | 2008-12-25 | 2010-01-13 | 中冶南方工程技术有限公司 | RH ladle double-jacking device |
| CN101875109A (en) * | 2010-06-12 | 2010-11-03 | 无锡巨力重工机械有限公司 | Improved ladle car |
| CN202007107U (en) * | 2011-01-15 | 2011-10-12 | 宝钢工程技术集团有限公司 | Vacuum cycle degassing process ladle trolley with lifting function |
-
2012
- 2012-08-31 CN CN2012103176887A patent/CN102826490A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070278722A1 (en) * | 2006-06-02 | 2007-12-06 | Siemens Vai Metals Tech Gmbh | Hoisting mechanism for steel processing ladles in rh degassers |
| CN201381340Y (en) * | 2008-12-25 | 2010-01-13 | 中冶南方工程技术有限公司 | RH ladle double-jacking device |
| CN101525680A (en) * | 2009-04-02 | 2009-09-09 | 上海宝钢工程技术有限公司 | Ladle lifting hydraulic system using vacuum circulation degassing method |
| CN101875109A (en) * | 2010-06-12 | 2010-11-03 | 无锡巨力重工机械有限公司 | Improved ladle car |
| CN202007107U (en) * | 2011-01-15 | 2011-10-12 | 宝钢工程技术集团有限公司 | Vacuum cycle degassing process ladle trolley with lifting function |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103288012A (en) * | 2013-03-06 | 2013-09-11 | 青岛威达机械制造有限公司 | Horizontally-moving jacking transferring trolley |
| CN103288012B (en) * | 2013-03-06 | 2017-02-15 | 青岛威达机械制造有限公司 | Horizontally-moving jacking transferring trolley |
| CN106424683A (en) * | 2016-10-28 | 2017-02-22 | 中冶华天南京工程技术有限公司 | Treatment method and device of ladle accidents in ladle transfer process |
| CN110006249A (en) * | 2019-03-28 | 2019-07-12 | 中国核电工程有限公司 | High activity liquid waste calcining furnace and movement system |
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Application publication date: 20121219 |