CN202667587U - Lifting type turnover cooling bed of billet continuous casting machine - Google Patents
Lifting type turnover cooling bed of billet continuous casting machine Download PDFInfo
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- CN202667587U CN202667587U CN 201220304745 CN201220304745U CN202667587U CN 202667587 U CN202667587 U CN 202667587U CN 201220304745 CN201220304745 CN 201220304745 CN 201220304745 U CN201220304745 U CN 201220304745U CN 202667587 U CN202667587 U CN 202667587U
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- billet
- plane
- tooth plate
- cooling bed
- lifting
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Abstract
The utility model relates to a lifting type turnover cooling bed of a billet continuous casting machine. The lifting type turnover cooling bed comprises a fixed toothed plate, a movable toothed plate and a lifting hydraulic cylinder, and is characterized in that a billet inlet section is arranged at the front end of the fixed toothed plate and is divided into a horizontal billet inlet section and an inclined-plane billet inlet section; billets are fed from the horizontal billet inlet section and then enter the inclined-plane billet inlet section; an included angle between an inclined plane of the inclined-plane billet inlet section and the horizontal direction is more than 21.8 degrees; gaps among teeth of the fixed toothed plate are X; gaps among teeth of the movable toothed plate are also X; an included angle between a toothed inclined plane of the fixed toothed plate and the horizontal plane and an included angle between a toothed inclined plane of the movable toothed plate and the horizontal plane are more than 21.8 degrees; and the lifting hydraulic cylinder drives the movable toothed plate to move up and down, so that the billets can automatically turn over. By the lifting type turnover cooling bed of the billet continuous casting machine, a transverse-moving hydraulic cylinder can be omitted; and a half of time can be saved during a movement stroke; and the whole turnover cooling bed is simple in structure, the manufacturing cost of the turnover cooling bed can be saved, and production rhythm is accelerated.
Description
Technical field
The utility model relates to the design of turn over cooling bed in a kind of billet continuous casting machine equipment, is specifically related to a kind of design of lifting turnover cold bed, belongs to the metallurgy industry mechanical equipment technical field.
Background technology
At present, in the bloom production of the domestic steel mill of China, for the cooling that realizes strand with improve the strand performance, the knockout system of conticaster has all disposed turn over cooling bed usually.
Turn over cooling bed will be realized advancing continuously of steel billet and overturn, and normally realizes the oscilaltion action by the lifting hydraulic cylinder of turn over cooling bed, realizes moving forward and backward action by the hydraulic jack of turn over cooling bed.Is turn over cooling bed how to drive advancing continuously and overturning of steel billet? because turn over cooling bed has two blocks of profile of tooth steel plates, swing tooth plate and fixed tooth plate, fixed tooth plate is fixed, drive swing tooth plate up and down and seesaw by lifting hydraulic cylinder and traversing hydraulic cylinder, thereby drive advancing continuously and overturning of steel billet.
The visible Fig. 1 detailed annotation of concrete action step is the outer general turn over cooling bed operation principle of conticaster of Present Domestic, and this just is necessary for turn over cooling bed configuration lifting and traversing two kinds of hydraulic cylinders, and an actuating length divides four steps: rise, advance, descend, retreat.
Traditional turn over cooling bed complex structure, cost is high, and an actuating length cycle is long, and rhythm of production is slow.
The utility model patent of patent 200920026677.7 discloses a kind of hydraulic stepping turnover cooling bed, it comprises hydraulic power, lifting device, translating device, stationary rack, movable rack, crossbeam etc., fixed and movable tooth bar promotes rotating shaft peace transfer shaft device by fixed and movable installation crossbeam, lifting beam and translation beam and hydraulic power respectively and is connected, by the well-regulated motion of fluid power cylinder, when realizing steel billet stepping upset reach, by its relative motion, realize that single Zhi Zidong of upper and lower walking cooling bank gets, send base simultaneously.Need two kinds of hydraulic cylinders of configuration yet this utility model remains, to realize lifting and traversing two kinds of actions, still there is complex structure in it, and the actuating length cycle is long, the defective that rhythm is slow.
In view of this, be necessary to provide a kind of billet caster lifting turnover cold bed, to address the above problem.
Summary of the invention
The purpose of this utility model is: in order to overcome traditional turn over cooling bed complex structure, cost is high, an actuating length cycle is long, the defective that rhythm of production is slow, thus a kind of improved billet caster lifting turnover cold bed is provided, this turn over cooling bed can save traversing hydraulic cylinder, an actuating length can be saved the time of half, and whole turn over cooling bed structure is simpler, the manufacturing cost that can save turn over cooling bed, speed production rhythm, thus overcome the defective of prior art.
The technical solution of the utility model is: a kind of billet caster lifting turnover cold bed, comprise fixed tooth plate, mobile tooth plate and lifting hydraulic cylinder, it is characterized in that, the front end of described fixed tooth plate has into billet, advance billet and be divided into that level is advanced billet and the inclined-plane advances billet, square billet advances billet by level and advances base, then enter the inclined-plane and advance billet, described inclined-plane enters the inclined-plane of billet and the angle of horizontal direction is greater than 21.8 degree, the space width of described fixed tooth plate is X, the space width of swing tooth plate is X, the profile of tooth inclined-plane of fixed tooth plate and swing tooth plate and the angle of horizontal plane drive mobile tooth plate by lifting hydraulic cylinder and move up and down and can realize the square billet automatic turning all greater than 21.8 degree.
Aforesaid billet caster lifting turnover cold bed is characterized in that, an actuating length, the swing tooth plate lifting each once, the square billet tooth pitch X that advanced turns over and turn 90 degrees.
Aforesaid billet caster lifting turnover cold bed, it is characterized in that, described inclined-plane enters the inclined-plane of billet and the angle of horizontal direction is 30 degree, and the profile of tooth inclined-plane of described swing tooth plate and the angle of horizontal plane are 50 degree, and the profile of tooth inclined-plane of described fixed tooth plate and the angle of horizontal plane are 45 degree.
The beneficial effects of the utility model are: billet caster lifting turnover cold bed of the present utility model can save traversing hydraulic cylinder, an actuating length can be saved the time of half, whole turn over cooling bed structure is simpler, can save the manufacturing cost of turn over cooling bed, speed production rhythm, thus overcome the defective of prior art.
Description of drawings
Fig. 1 is the operation principle schematic diagram of turn over cooling bed in the prior art.
Fig. 2 is the square billet force analysis figure of billet caster lifting turnover cold bed of the present utility model.
Fig. 3 is the structural representation of billet caster lifting turnover cold bed of the present utility model.
Fig. 4 to Fig. 7 is the decomposing schematic representation of an actuating length of billet caster lifting turnover cold bed of the present utility model.
The specific embodiment
In order to understand better the present invention, further illustrate content of the present invention below in conjunction with embodiment, but content of the present invention not only is confined to the following examples.Those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values are equally within the listed claims limited range of the application.
For the conticaster turn over cooling bed, when the profile of tooth of turn over cooling bed swing tooth plate and fixed tooth plate was carried out appropriate design, when square billet was on the inclined-plane, steel billet was because Action of Gravity Field has the trend of downslide, the square billet force analysis as shown in Figure 2:
The suffered sliding force of square billet is F2=G*SinA
The suffered frictional force of square billet is f=0.4*F2=0.4*G*CosA (0.4 is hot base maximum friction coefficient)
As F2〉during f, i.e. A〉21.8 when spending, square billet can glide automatically, so just can be only for turn over cooling bed dispose a lifting hydraulic cylinder, an actuating length divides two steps: rising, decline, just can realize square billet advancing continuously and overturn on turn over cooling bed.
Fig. 3 is lifting turnover cold bed design of the present utility model, comprise fixed tooth plate, mobile tooth plate and lifting hydraulic cylinder, the front end of described fixed tooth plate has into billet, advance billet and be divided into that level is advanced billet and the inclined-plane advances billet, square billet advances billet by level and advances base, then enter the inclined-plane and advance billet, described inclined-plane enters the inclined-plane of billet and the angle of horizontal direction is greater than 21.8 degree, the space width of described fixed tooth plate is X, the space width of swing tooth plate is X, the profile of tooth inclined-plane of fixed tooth plate and swing tooth plate and the angle of horizontal plane drive mobile tooth plate by lifting hydraulic cylinder and move up and down and can realize the square billet automatic turning all greater than 21.8 degree.
In the present embodiment, described inclined-plane enters the inclined-plane of billet and the angle of horizontal direction is 30 degree, and the profile of tooth inclined-plane of described swing tooth plate and the angle of horizontal plane are 50 degree, and the profile of tooth inclined-plane of described fixed tooth plate and the angle of horizontal plane are 45 degree.
Fig. 4 is that lifting hydraulic cylinder drives swing tooth plate and rises, swing tooth plate jack-up square billet, square billet turnover certain angle.
Fig. 5 is that lifting hydraulic cylinder drives swing tooth plate decline, swing tooth plate is placed on square billet on the fixed tooth plate, and swing tooth plate is got back to initial position, and square billet has been stepped up first tooth of fixed tooth plate, the certain angle that overturn, the distance that the center of gravity line of square billet is crossed the crown of swing tooth plate is Y.
Fig. 6 is that lifting hydraulic cylinder drives swing tooth plate and rises, and swing tooth plate jack-up square billet, square billet turn over and turned certain angle.
Fig. 7 is that lifting hydraulic cylinder drives swing tooth plate and descends, and swing tooth plate is placed on square billet on the fixed tooth plate, and swing tooth plate is got back to initial position, and the square billet tooth pitch X that advanced, certain angle has overturn.
An actuating length, the swing tooth plate lifting each once, the square billet tooth pitch X that advanced turns over and turn 90 degrees., swing tooth plate is ceaselessly lifting like this, and the drive square billet ceaselessly advances and overturns.
The turn over cooling bed of this kind form can save traversing hydraulic cylinder, and an actuating length can be saved the time of half, and whole turn over cooling bed structure is simpler.Can save the manufacturing cost of turn over cooling bed, speed production rhythm, its economic benefit is apparent.
The content that is not described in detail in this specification belongs to the known prior art of this area professional and technical personnel.
Claims (3)
1. billet caster lifting turnover cold bed, comprise fixed tooth plate, mobile tooth plate and lifting hydraulic cylinder, it is characterized in that, the front end of described fixed tooth plate has into billet, advance billet and be divided into that level is advanced billet and the inclined-plane advances billet, square billet advances billet by level and advances base, then enter the inclined-plane and advance billet, described inclined-plane enters the inclined-plane of billet and the angle of horizontal direction is greater than 21.8 degree, the space width of described fixed tooth plate is X, the space width of swing tooth plate is X, and the profile of tooth inclined-plane of fixed tooth plate and swing tooth plate and the angle of horizontal plane drive mobile tooth plate by lifting hydraulic cylinder and move up and down and can realize the square billet automatic turning all greater than 21.8 degree.
2. billet caster lifting turnover cold bed according to claim 1 is characterized in that, an actuating length, the swing tooth plate lifting each once, the square billet tooth pitch X that advanced turns over and turn 90 degrees.
3. billet caster lifting turnover cold bed according to claim 1, it is characterized in that, described inclined-plane enters the inclined-plane of billet and the angle of horizontal direction is 30 degree, the profile of tooth inclined-plane of described swing tooth plate and the angle of horizontal plane are 50 degree, and the profile of tooth inclined-plane of described fixed tooth plate and the angle of horizontal plane are 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220304745 CN202667587U (en) | 2012-06-27 | 2012-06-27 | Lifting type turnover cooling bed of billet continuous casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220304745 CN202667587U (en) | 2012-06-27 | 2012-06-27 | Lifting type turnover cooling bed of billet continuous casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202667587U true CN202667587U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220304745 Expired - Lifetime CN202667587U (en) | 2012-06-27 | 2012-06-27 | Lifting type turnover cooling bed of billet continuous casting machine |
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| CN (1) | CN202667587U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203438A (en) * | 2013-03-19 | 2013-07-17 | 武汉旺姆连铸工程技术股份有限公司 | Gear rack for mechanical stepping cold bed |
-
2012
- 2012-06-27 CN CN 201220304745 patent/CN202667587U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203438A (en) * | 2013-03-19 | 2013-07-17 | 武汉旺姆连铸工程技术股份有限公司 | Gear rack for mechanical stepping cold bed |
| CN103203438B (en) * | 2013-03-19 | 2015-05-20 | 武汉旺姆连铸工程技术股份有限公司 | Gear rack for mechanical stepping cold bed |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |