CN1305603C - Arc-chain crystallizer for continuous caster - Google Patents
Arc-chain crystallizer for continuous caster Download PDFInfo
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- CN1305603C CN1305603C CNB2003101042855A CN200310104285A CN1305603C CN 1305603 C CN1305603 C CN 1305603C CN B2003101042855 A CNB2003101042855 A CN B2003101042855A CN 200310104285 A CN200310104285 A CN 200310104285A CN 1305603 C CN1305603 C CN 1305603C
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- arc chain
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- crystallizer
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- 238000010297 mechanical methods and process Methods 0.000 description 2
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Abstract
The present invention relates to an arc-shaped chain crystallizer for a continuous caster, which is used for solving the problems in the existing crystallizers of continuous casters of unreasonable position of pin holes of chain links, poor reliability of transversely positioning the chain links, etc.; the present invention also solves the problem that the chain links are difficult to reliably close. The arc-shaped chain crystallizer for a continuous caster is composed of a machine frame device, an outer arc chain, an inner arc chain and a cooling system, wherein the outer arc chain and the inner arc chain are suspended on respective driving chain wheel and a driven chain wheel. The present invention is characterized in that the arc-shaped chain crystallizer is provided with new chin links (1) and (2), and the combination (3) of a rigidity guiding rail and an elastic guiding rail; the combination (3) is positioned at two sides of the chain links (1) and (2); a positioning groove is manufactured on the chain links; the driving chain wheel of the positioning groove is a chain wheel (4) arranged at the upper part; the present invention is provided with cooling water distributors (5) and (6), etc.; the time for each circle of the cooling water distributors (5) and (6) is the same with the circle period of the corresponding outer arc chain and the inner arc chain. The present invention is an arc-shaped chain crystallizer for a continuous caster, which has the advantages of powerful functions, practical use and favorable reliability.
Description
Technical field
The present invention relates to a kind of conticaster arc chain type crystallizer.
Background technology
Crystallizer is the indispensable device that is widely used in all kinds conticaster.Usually it is made up of stand arrangement, crystallizer body and cooling system.In the patent No. is in the application documents of 98116468.4 a kind of " Chain arc type conticaster ", disclosed a kind of conticaster arc chain type crystallizer, it is made up of stand arrangement and the outer arc chain, inner arc chain and the cooling system that are suspended on the driving and driven separately sprocket wheel.In the above-mentioned file, also comprising introduction, just repeating no more at this about the related background art of arc chain type crystallizer.But the described arc chain type of above-mentioned file crystallizer still has following deficiency: 1. the pin-and-hole position that connects each chain link is provided with unreasonablely, adjacent chain link is produced interfere and the very big internal stress of formation; 2. because the inner and outer ring guide rail is relatively-stationary, wanting to make the reliably driving fit of involutory chain link, is extremely difficult actually; 3. the reliability of the located lateral of involutory chain link is relatively poor, and this result not only can also can be caused by the transversely deforming of chain link and inner and outer ring guide rail by due to the wearing and tearing of arc position under abominable condition of work of earrings; 4. because drive sprocket is arranged on the below, act on the tension force on the chain,, cause the inefficacy of chain easily the gap between the adjacent link is fully exposed; Owing to advocate " plumbing mechanism (...) is by chain (...) and sleeve pipe ... with the rotation synchronously of drive sprocket (...), inside and outside loop chain (...) ... thereby " make this water distribution mechanism lose practicality; 6. owing to the inoperative section at the inner arc chain is provided with to such an extent that be the monoblock type guide rail, not only make its size have certain uncertainty, also can when the centre-to-centre spacing adjusting of carrying out driving and driven sprocket wheel and chain wearing and tearing, produce bad consequence; 7. because it adopts is the closed framework structure, its maintenance work is difficulty relatively; 8. because the yardstick of its water inlet distributor and backwater current collector is unreasonable, make the practicality of this mechanism have very big problem; 9. the position configuration of its segmental arc and straightener is seriously unreasonable, and the chain type crystallizer partly is under the heavily stressed duty, and be not easy to use etc.
Summary of the invention
Purpose of the present invention is to provide a kind of and can overcomes conticaster arc chain type crystallizer above-mentioned shortcoming, that performance is better, reliability is higher.
Be provided with unreasonablely in order to solve the pin-and-hole position that connects each chain link, adjacent chain link is produced interfere and form the problem of very big internal stress, the present invention requires the center line of connection pin-and-hole of the chain link of outer arc chain and inner arc chain to lay respectively on the transverse plane of this chain link.
In order to solve the inner and outer ring guide rail is relatively-stationary, want to make the reliably driving fit of involutory chain link, be extremely difficult problem actually, the present invention requires to be provided with and is used to guide and appropriateness compresses the rigid guideway of arc of outer arc chain, inner arc chain and the combination of elastic guide.Elastic guide in the combination of rigid guideway and elastic guide can be a rubber mass, it also can be composite elastic guide rail rubber mass and stud with stalloy at working surface, can also have other form etc., its function is, produce the distortion of appropriateness in the contact site of itself and guide roller, to guarantee that inside and outside chain link is in all the time by the state of pressing, can also be used to compensate the insecure problem of driving fit of the interior outer link that foozle and comprehensive deformation error may cause.For installation, adjustment and the maintainability of improving guide rail, and the raising guide rail is to the stability of chain links support, also be in order to reduce because the reduction of the guiding accuracy that the wearing and tearing of chain roller cause, in particular for solving guide rail and can not extending to the guiding circle of sprocket wheel and the problem (this point is extremely important to the inner arc chain) at the place, point of contact of guide rail circular arc, can make the combination of rigid guideway and elastic guide be positioned at the both sides of chain link, and with the coaxial position of sprocket wheel roller on guide roller is housed.
For the relatively poor problem of reliability of the located lateral that solves involutory chain link, the present invention requires to be shaped on the locating slot that matches with the chain link of outer arc chain or inner arc chain accordingly on the chain link of inner arc chain or outer arc chain.
Because drive sprocket is arranged on the below, to act on the tension force on the chain in order solving, with the gap between the adjacent link is fully exposed, to cause the problem of the inefficacy of chain easily, it is the sprocket wheel on top that the present invention requires its drive sprocket.In order to make the suitable pressure of maintenance between the chain link, help the longitudinal sealing of crystallizer, the light brake apparatus to driven sprocket also can be set.
For thereby the water inlet distributor that solves cooling water system and incorrect this water distribution mechanism that makes of speed of gyration of backwater current collector have lost the problem of practicality, the present invention requires to be provided with in the outside of outer arc chain, inner arc chain the used time of revolution and the identical cooled water distributor of belt cycle of outer arc chain or inner arc chain accordingly.
In order to solve owing to the inoperative section at the inner arc chain is provided with to such an extent that be the monoblock type guide rail, not only make its size have certain uncertainty, also can when the centre-to-centre spacing of carrying out driving and driven sprocket wheel is regulated, produce the problem of adverse consequences, the present invention require arc chain within it to return that side is provided be to be divided into two sections chain brackets of making and installing at least.
Because it adopts is the closed framework structure, its maintenance work is the problem of difficulty relatively in order to solve, and the present invention's require to intake distributor and equal cantilever of backwater current collector is installed on separately the axle.
The yardstick of distributor and backwater current collector is unreasonable because it is intake in order to solve, the problem that the practicality of this mechanism is deposited, the present invention's require to intake tactical diameter of water-distributing gap of distributor and backwater current collector is respectively the 1/3---3/4 of corresponding driving and driven centre of sprocket distance.
For the position configuration that solves its segmental arc and straightener seriously unreasonable, make the chain type crystallizer partly be in heavily stressed duty and in order to reserve rational space to straightener, it is the roller radius of straightener that the present invention requires by the minimum range between the vertical line of the outer rim of the crystallizer centre of gyration and chain bottom.
Because the use pulling rate of this crystallizer is relatively very high, general control system is owing to inertia is difficult to realize required response speed greatly, therefore be necessary to adopt electrohydraulic servo-controlling system, promptly adopt the drive system of servo-hydraulic motor, in other words, it has the drive sprocket by electrohydraulic servo-controlling system control and driving.Note that its particular content has just no longer been given unnecessary details at this because electrohydraulic servo-controlling system has been a mature technology, and innovative point of the present invention is the application of this technology on this arc chain type crystallizer.
It more than is explanation to each innovation point.
General thought of the present invention is, on the basis of existing technology, adopts the chain link of pin-and-hole correct position and forms a basic scheme; On the basis of basic scheme, in order to improve the adaptation of inside and outside chain link, and then adopt the combination of rigidity and elastic guide; If also will improve the vertical close and property of the chain internode of chain, the sprocket wheel that can select top is as drive sprocket; On the basis of such scheme, the combination of rigidity and elastic guide can be configured on the one hand the both sides of chain link, and with the coaxial position of sprocket wheel roller on guide roller is housed, the light brake apparatus to driven sprocket can be set on the other hand; When proposing higher the requirement, can also on the chain link of inner arc chain or outer arc chain, be shaped on the locating slot that matches with the chain link of outer arc chain or inner arc chain accordingly, with the further located lateral performance of improving crystallizer.Crystallizer under the above-mentioned general thought, equal identical cooled water distributor adapteds of belt cycle of used time of the revolution that can be provided with and corresponding outer arc chain and inner arc chain with the outside at outer arc chain, inner arc chain, and the tactical diameter of the water-distributing gap of the water inlet distributor of this cooled water distributor and backwater current collector is respectively the 1/3---3/4 of corresponding driving and driven centre of sprocket distance; Also can adapted within it the arc chain return the side setting, be to be divided into two sections chain brackets of making and installing at least; Can also use drive sprocket by electrohydraulic servo-controlling system control and driving; Also can make the minimum range between the vertical line of the outer rim by the crystallizer centre of gyration and chain bottom is the roller radius of straightener.
The invention has the beneficial effects as follows, can overcome the shortcoming of existing conticaster arc chain type crystallizer, have the reliability of more performance and Geng Gao.
Description of drawings
5 pages in the total accompanying drawing of the present invention is totally 14 width of cloth, wherein:
Fig. 1 is the basic view of the structure chart of outer arc chain link plate of the present invention and inner arc chain link plate.
Fig. 2 is the A-A cutaway view of Fig. 1, with reflection Fig. 1 section structure.
Fig. 3 is represented, is the another kind of form of locating slot [4], and its slice location also is the A-A place of Fig. 1.
Fig. 4 is used to guide and appropriateness compresses the schematic diagram of the combination [8] of the rigid guideway of arc of outer arc chain, inner arc chain and elastic guide.
Fig. 5 is the both sides that the combination of rigid guideway and elastic guide [8] moved to chain link, and with the coaxial position of sprocket wheel roller on the schematic diagram of guide roller is housed.
Fig. 6 is a kind of schematic diagram of elastic guide.
Fig. 7 is the A-A section amplification figure of elastic guide shown in Figure 6.
Fig. 8 is the schematic diagram of another kind of elastic guide.
Fig. 9 is the A-A section amplification figure of elastic guide shown in Figure 8.
Figure 10 is the schematic diagram of the third elastic guide.
Figure 11 is the A-A section amplification figure of elastic guide shown in Figure 10.
Figure 12, Figure 13 and shown in Figure 14 be a comprehensive embodiment.Wherein, Figure 12 is the basic view of this comprehensive embodiment, and Figure 13 is the A-A cutaway view of Figure 12, and Figure 14 is the B-B cutaway view of Figure 13.
The parts title of numeral number representative is as shown in the table among each figure:
| Sequence number | The parts title |
| 1 | The outer arc |
| 2 | The inner arc |
| 3 | The centerline hole of the attachment pegs of chain link |
| 4 | Locating slot |
| 5 | The transverse plane of outer arc |
| 6 | The transverse plane of inner arc chain link plate |
| 7 | Locating slot |
| 8 | The combination of rigid guideway and |
| 9 | The roller of outer arc chain and inner arc chain |
| 10 | Rigid guideway |
| 11 | Elastic guide |
| 12 | Guide roller |
| 13 | Rigid guideway |
| 14 | Elastic guide |
| Sequence number | The |
| 22 | The elasticity assembly |
| 23 | Frame |
| 24 | The outer arc chain |
| 25 | The inner arc chain |
| 26 | Drive sprocket |
| 27 | Driven sprocket |
| 28 | The cooled water distributor that is used for the inner arc chain |
| 29 | The cooled water distributor that is used for the outer arc chain |
| 30 | Chain bracket |
| 31 | The upper semisection of chain bracket |
| 32 | The changeover portion of chain bracket |
| 33 | The lower semisection of chain bracket |
| 34 | The cooling water flexible pipe |
| 35 | Swivel joint with |
| 15 | The elastic guide of making by |
| 16 | The matrix of making by |
| 17 | Stalloy |
| 18 | |
| 19 | |
| 20 | Stalloy (or which floor stalloy is superimposed) |
| 21 | Steel lining |
| 36 | The first sprocket wheel chain drive |
| 37 | The second sprocket wheel chain drive |
| 38 | The first light brake apparatus |
| 39 | The second light brake apparatus |
| 40 | The water-distributing gap of water inlet distributor |
| 41 | The water-distributing gap of backwater current collector |
The specific embodiment
The specific embodiment of the present invention is to explain by Figure 12, Figure 13 and comprehensive embodiment shown in Figure 14.
Among above-mentioned three figure, [23] are frames; [24] be the outer arc chain; [25] be the inner arc chain; [26] be drive sprocket; [27] be driven sprocket; [28] be that cooled water distributor, [29] that are used for the inner arc chain are the cooled water distributors that is used for the outer arc chain; [30] be a kind of chain bracket of forming by upper semisection [31], changeover portion [32] and lower semisection [33]; [34] be the cooling water flexible pipe; [40] be that water-distributing gap, [41] of into water distributor are the water-distributing gaps of backwater current collector; [35] be the swivel joint with turnover water channel, it and the cooled water distributor adapted of two water channels (water inlet and backwater) can make the axial arrangement of cooling water system more compact; [36] be that the first sprocket wheel chain drive, [37] are the second sprocket wheel chain drives; [38] be to be the second light brake apparatus that driven sprocket is gently braked to the first light brake apparatus, [39] that driven sprocket is gently braked, the better simply scheme of this device is formed by a braked wheel with by the brake block that spring is pressed on its cylindrical, alternate manner is also a lot, because they belong to prior art, just enumerated no longer one by one at this.
In the present embodiment, when drive sprocket [26] rotates by direction as shown, by the overall guiding of driving and driven sprocket wheel [26], [27], the crystallizer body has been formed by inner arc chain [25], outer arc chain [24] in the concrete location of track combination [8] and locating slot [7].The cooled water distributor that is used for the inner arc chain [28] of present embodiment, be used for the outer arc chain cooled water distributor [29] all cantilever be installed in separately axle, and increased its yardstick.In order to reserve rational space to straightener, the minimum range L between the vertical line of the outer rim by the crystallizer centre of gyration [O] and chain bottom is the roller radius of straightener.As for the cooled water distributor that is used for the inner arc chain [28], be used for the driving of the cooled water distributor [29] of outer arc chain, can adopt the first sprocket wheel chain drive [36] and the second sprocket wheel chain drive [37].What also should be noted that a bit is that the drive sprocket [26] that use is controlled and driven by electrohydraulic servo-controlling system can improve the control performance of this crystallizer afterwards.
In the present embodiment, the basic structure of the chain link of the inner arc chain [25] of composition crystallizer body, outer arc chain [24] and fit form are as depicted in figs. 1 and 2.Two figure have represented that on the one hand the center line [3] of the connection pin-and-hole of outer arc chain link plate [1] and inner arc chain link plate [2] lays respectively at the transverse plane [5] of this chain link or the situation on [6], has expressed the situation that is shaped on the locating slot [4] that matches with outer arc chain link plate [1] on inner arc chain link plate [2] on the other hand again.
Certainly, locating slot [4] also can have different forms, for example, can be shaped on the locating slot that matches with inner arc chain link plate [2] on outer arc chain link plate [1], shown in the locating slot among Fig. 3 [7].
In the present embodiment, inner arc chain [25], the outer arc chain [24] of forming the crystallizer body is by combination [8] guiding of rigid guideway and elastic guide and appropriate compressing, as shown in Figure 4.The function that its guiding and appropriateness compress is to be finished by the roller [9] of outer arc chain and inner arc chain and the acting in conjunction of rigid guideway [10] by elastic guide [11].
The combination of rigid guideway and elastic guide [8] can have different installation sites.Fig. 5 is the both sides that the combination of rigid guideway and elastic guide [8] moved to chain link, and with the coaxial position of sprocket wheel roller on the schematic diagram of guide roller is housed.Among the figure, [12] are guide rollers, and [13] are rigid guideways; [14] be elastic guide.Located lateral performance for outer link in improving, on the inner link of this figure, also adopted locating slot [7], make arc independent mutually with the functor of located lateral to the location, installation, adjustment and the maintainability of guide rail both be convenient to improve, overcome the shortcoming that earrings and guide rail side are easy to wear and tear, and improve the stability of guide rail to chain links support, and help to improve positioning accuracy again, can also solve the problem that guide rail can not extend to chain opinion guiding circle and place, guide rail circular arc point of contact.Need be in this explanation be, under the condition of the function of use of the combination [8] that guarantees rigid guideway and elastic guide, its compound mode can be flexible and changeable, for example, it can be made up of two rigid guideways and an elastic guide, just at this moment preferably elastic guide is configured in the roughly middle part on the opposite of two rigid guideways, to guarantee its stability after stressed, certainly, the position of guide roller also needs to do adaptive change.
Fig. 6 is a kind of schematic diagram of elastic guide; Fig. 7 is the A-A section amplification figure of elastic guide shown in Figure 6.Shown in two figure is the elastic guide of being made by rubber [15], and it can be fixed on the design attitude reliably with bonding or mechanical method.
Fig. 8 is the schematic diagram of another kind of elastic guide; Fig. 9 is the A-A section amplification figure of elastic guide shown in Figure 8.The elastic guide [19] that matrix [16], stalloy [17] and the steel lining [18] made by rubber shown in two figure formed jointly, it can and utilize mechanical method be fixed by steel lining.
Figure 10 is the schematic diagram of the third elastic guide.Figure 11 is the A-A section amplification figure of elastic guide shown in Figure 10.The elastic guide of forming jointly by stalloy (or which floor stalloy is superimposed) [20], steel lining [21] and elasticity assembly [22] shown in two figure, the better simply structure of this elasticity assembly is made up of the pin and the spring that are installed in the pin-and-hole, their quantity should be abundant, advises that its pitch-row is less than or the pitch of the chain that equals to match.The one side that has stalloy of elastic guide is the working surface that contacts with guide roller, and this simultaneously is produced on the interior circular arc or is produced on the external arc is (shown in the figure is to be produced on the interior circular arc) determined as required.In order to prevent that reliably stalloy from producing tangential slippage under the effect of guide roller, can be in the bending of the top of stalloy, and where necessary its bending part is fixed on the steel lining.For Figure 10 and elastic guide shown in Figure 11, can also the circular arc of stalloy axially on make convex shoulder, by it with steel lining on the cooperating of groove, reach the purpose that prevents to produce tangential slippage.
Claims (10)
1. conticaster arc chain type crystallizer, it is made up of stand arrangement and the outer arc chain, inner arc chain and the cooling system that are suspended on the driving and driven separately sprocket wheel, it is characterized in that the center line [3] of the connection pin-and-hole of the chain link of outer arc chain [24] and inner arc chain [25] lays respectively on the transverse plane [6] of the transverse plane [5] of outer arc chain link plate and inner arc chain link plate.
2. conticaster arc chain type crystallizer as claimed in claim 1 is characterized in that, is provided with to be used for guiding and appropriateness compresses the rigid guideway of arc of outer arc chain [24], inner arc chain [25] and the combination [8] of elastic guide.
3. conticaster arc chain type crystallizer as claimed in claim 2 is characterized in that its drive sprocket is the sprocket wheel on top [26].
4. conticaster arc chain type crystallizer as claimed in claim 3, it is characterized in that, the combination of rigid guideway and elastic guide [8] is positioned at the both sides of outer arc chain link plate [1] and inner arc chain link plate [2], and with the coaxial position of sprocket wheel roller on guide roller [12] is housed.
5. conticaster arc chain type crystallizer as claimed in claim 3 is characterized in that, is provided with the first light brake apparatus [38] and the second light brake apparatus [39] to driven sprocket [27].
6. conticaster arc chain type crystallizer as claimed in claim 4, it is characterized in that, on the inner arc chain link plate [2] of inner arc chain [25] or outer arc chain [24] or outer arc chain link plate [1], be shaped on and corresponding outer arc chain [24] or the outer arc chain link plate [1] of inner arc chain [25] or the locating slot [4] that inner arc chain link plate [2] matches.
7. as claim 1,2,3,4,5 or 6 described conticaster arc chain type crystallizers, it is characterized in that outer arc chain [24], the outside of inner arc chain [25] is provided with the cooled water distributor that be used for outer arc chain [29] identical with the belt cycle of corresponding outer arc chain [24] and inner arc chain [25] of used time of revolution and is used for the cooled water distributor [28] of inner arc chain and the tactical diameter of the water-distributing gap [41] of the water-distributing gap [40] of the water inlet distributor of this cooled water distributor [29] and [28] and backwater current collector is respectively corresponding master, the 1/3---3/4 of driven sprocket [26] and [27] centre-to-centre spacing.
8. as claim 1,2,3,4,5 or 6 described conticaster arc chain type crystallizers, it is characterized in that, within it arc chain [25] to return that side is provided be to be divided into two sections chain brackets [30] of making and installing at least.
9. as claim 1,2,3,4,5 or 6 described conticaster arc chain type crystallizers, it is characterized in that the minimum range [L] between the vertical line of the outer rim by the crystallizer centre of gyration [O] and chain bottom is the roller radius of straightener.
10. as claim 1,2,3,4,5 or 6 described conticaster arc chain type crystallizers, it is characterized in that it has the drive sprocket [26] by electrohydraulic servo-controlling system control and driving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101042855A CN1305603C (en) | 2003-10-29 | 2003-10-29 | Arc-chain crystallizer for continuous caster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101042855A CN1305603C (en) | 2003-10-29 | 2003-10-29 | Arc-chain crystallizer for continuous caster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1611312A CN1611312A (en) | 2005-05-04 |
| CN1305603C true CN1305603C (en) | 2007-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101042855A Expired - Lifetime CN1305603C (en) | 2003-10-29 | 2003-10-29 | Arc-chain crystallizer for continuous caster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1305603C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1211478A (en) * | 1998-08-08 | 1999-03-24 | 秦希满 | Chain arc type continuous caster |
| CN2405681Y (en) * | 2000-01-27 | 2000-11-15 | 莱芜钢铁股份有限公司炼钢厂 | Auxiliary crystalizer for continuously casting taper as one wishes |
| CN2659591Y (en) * | 2003-10-29 | 2004-12-01 | 山东省冶金设计院 | Curved chain crystallizer of conticaster |
-
2003
- 2003-10-29 CN CNB2003101042855A patent/CN1305603C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1211478A (en) * | 1998-08-08 | 1999-03-24 | 秦希满 | Chain arc type continuous caster |
| CN2405681Y (en) * | 2000-01-27 | 2000-11-15 | 莱芜钢铁股份有限公司炼钢厂 | Auxiliary crystalizer for continuously casting taper as one wishes |
| CN2659591Y (en) * | 2003-10-29 | 2004-12-01 | 山东省冶金设计院 | Curved chain crystallizer of conticaster |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1611312A (en) | 2005-05-04 |
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