EP0083917A2 - Continuous casting plant - Google Patents

Continuous casting plant Download PDF

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Publication number
EP0083917A2
EP0083917A2 EP82890186A EP82890186A EP0083917A2 EP 0083917 A2 EP0083917 A2 EP 0083917A2 EP 82890186 A EP82890186 A EP 82890186A EP 82890186 A EP82890186 A EP 82890186A EP 0083917 A2 EP0083917 A2 EP 0083917A2
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EP
European Patent Office
Prior art keywords
bending zone
strand
continuous
mold
continuous casting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP82890186A
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German (de)
French (fr)
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EP0083917B1 (en
EP0083917A3 (en
Inventor
Aktiengesellschaf Voest-Alpine
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Primetals Technologies Austria GmbH
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Voestalpine AG
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Publication of EP0083917A2 publication Critical patent/EP0083917A2/en
Publication of EP0083917A3 publication Critical patent/EP0083917A3/en
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Publication of EP0083917B1 publication Critical patent/EP0083917B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B22D11/1282—Vertical casting and curving the cast stock to the horizontal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/043—Curved moulds

Definitions

  • the invention relates to a continuous casting installation, in particular a steel continuous-arch continuous casting installation, with a continuous mold arranged downstream of the continuous guide supports, which are arranged within a cooling chamber and are adjustably fastened to a supporting frame with respect to the continuous mold and against one another in the direction transverse to the longitudinal axis of the continuous guide paths.
  • a continuous caster of this type is known from AT-PS 364 980.
  • all of the support elements are either adjustably mounted with respect to a stationary support frame, for example with respect to the foundation, or with one another so that the strand guide tracks can be adjusted transversely to their longitudinal axis.
  • the first support element located just below the mold which is designed as a bending zone in arc casting systems that have a straight mold, since the strand has a very thin and crack-sensitive strand shell just below the mold.
  • An offset between the bending zone and the mold (or its castors) or between the bending zone and the subsequent arcuate guide arch can lead to a strand break.
  • the invention aims to avoid these disadvantages and difficulties and has as its object to provide a continuous casting plant in which an aligned setting between its support elements or the mold and the support elements in a simple manner, with little effort and even when the system is in operation normal working conditions can be accomplished, wherein entering the cooling chamber is avoided and, if necessary, one of the support elements, for example the mold, can remain in place, ie does not have to make any adjustment movements transverse to the longitudinal axis of the strand guideway.
  • This object of the invention is achieved in that at least one of the support elements for adjustment transverse to the longitudinal axis of the strand guideways with one attached to a support frame, from the cooling chamber to the outside directed and operable from the outside of the cooling chamber actuating device, such as a threaded bolt, rack, etc., is coupled, wherein the actuating device is advantageously coupled to the support element via a lever articulated on the support frame, preferably a lever having two unequal arms.
  • both the strand inlet end and the strand outlet end of the bending zone are each coupled to an actuating device in a continuous casting plant with a straight continuous mold and a bending zone arranged below it, which is followed by a support element having an arcuate strand guide track.
  • This embodiment has the advantage that the mold does not have to be detached from the lifting table and adjusted relative to the lifting table for the purpose of aligning the support elements.
  • a further preferred embodiment of a continuous caster with a straight continuous mold and a bending zone arranged underneath it, which is followed by a support element which has a circular arc-shaped strand guide path and which has arched longitudinal members which extend over its length and which support supporting rollers, is characterized in that the lower end of the bending zone is articulated to the support element that follows it and the upper end of the bending zone is coupled to the adjusting device.
  • the lower end of the bending zone is due to the articulated mounting on the side rails that carry one of the roller conveyors, even with slight pivoting movements of the bending zone in a precisely adjusted position to the circular arc path following the bending zone. It is advantageous if the actuating device is coupled to the bending zone via a lever articulated on the side members.
  • a bending zone provided below the continuous mold and a support element which adjoins the bending zone and has an arc-shaped strand guide track, the bending zone with its lower end is at its lower end at the succeeding one Support element articulated and the bending zone is coupled near its upper end with the actuator.
  • FIG. 1 showing a partially sectioned side view of a bloom casting installation
  • FIG. 2 a schematic illustration of a side view of a continuous slab casting installation
  • FIG. 3 shows a further embodiment in a representation analogous to FIG. 2.
  • a straight continuous mold 1 of a bloom continuous casting installation which is provided with casters 2 at its lower end, has a vertical flange plate 3.
  • the mold With this flange plate 3, the mold is clamped to a vertically oscillating flange plate 4 of a mold carrier 5, which also oscillates vertically.
  • These flange plates 3, 4 have openings for the cooling medium flowing in and out, so that the continuous mold 1 is automatically connected to the supply lines after the flange plate 3 has been connected to the oscillating flange plate 4.
  • the oscillating device is from ei Nem quadrilateral formed, the wings are designated 6, 7. One of the wings is extended beyond its fixed articulation point 8 and is set in oscillating motion by means of an oscillating drive.
  • a support element 9 which bends the strand in a circular arc shape and which is referred to below as the bending zone.
  • a support element 10 with arcuate strand guide tracks adjoins the bending zone 9.
  • This cage-like support element 10 is suspended from a fixed support frame 12 by means of a bracket 11.
  • the bending zone 9 is fastened in an articulated manner to the upper end of the support element 10 which supports the circular-strand-shaped strand guide guide elements, etc. by means of a pin 13 so that the bending zone can be pivoted about this pin.
  • the bending zone 9 is pivoted about the bolt 13 until its roller tracks 14, 15 are aligned with the corresponding side walls 16, 17 of the continuous mold or the casters 2 of the continuous mold.
  • an actuating device 19 is used, which has a handwheel 20 and a nut 21 mounted on this handwheel, in which nut a threaded bolt 22 engages , is formed.
  • the handwheel 20, the nut 21 and the threaded bolt 22 are located outside the schematically illustrated cooling chamber wall 24 delimiting the cooling chamber space 23.
  • the threaded bolt is extended in the direction of the bending zone and at its end 25 on a lever 27 articulated on a fixed bracket 26 articulated.
  • This lever 27 has two arms 28, 29 which are of different lengths.
  • the longer arm is 28 directed to the threaded bolt 22 and hinged to it; the shorter arm 29 engages with a hinge pin 30 in a fork 31 attached to the upper end of the bending zone.
  • the lever 27 can be pivoted about its pivot axis 32, as a result of which the upper end of the bending zone 9 can be pivoted about the bolt 13.
  • This construction has the advantage that adjustment work can be carried out in a simple manner from outside the cooling chamber 23, 24, the pass mold 1 itself not having to be adjusted. This eliminates adjustment work on the flange plates 3, 4 and the tightness of the cooling water inflows and outflows remains guaranteed.
  • a perforated disk 34 is attached to its axis 33, through which a fixing bolt 35 can be inserted, the fixing bolt passing through two openings arranged on fixed brackets 36.
  • the threaded bolt is inserted into a tube 37, which is welded into a cross member 38 of the stationary supporting frame 12, and sealed off from the tube 37 by means of a seal 39.
  • the embodiment shown in FIG. 2 is a continuous sheet caster for slabs, a supporting element 40 having circular arc-shaped strand guiding tracks extending in one piece over its length and having longitudinal supports 42, 43 supporting the inner and outer supporting rollers 41.
  • the arc-shaped longitudinal members 42 are extended upwards in the direction of the continuous mold 1.
  • the Bie gezone 44 is articulated at its lower end to a bolt 46 engaging in a bracket 45 of the bending zone 44, the bolt 46 being guided along an elongated hole 47 of the longitudinal arch members 42.
  • the longitudinal axis 48 of the elongated hole 47 is oriented approximately transversely to the longitudinal axis 18 of the roller tracks 14, 15.
  • An actuating device 19 configured similarly to the actuating device 19 shown in FIG.
  • the upper end of the bending zone 44 is also coupled to an actuating device 19, wherein a lever 27 is provided between the actuating device 19 and the upper end of the bending zone 44, which lever 27 is configured in the same way as the lever 27 according to FIG. 1.
  • the lever is not on articulated to a stationary support structure 12 (as shown in FIG. 1), but the pivot axis 32 of the lever 27 is arranged on the arc-shaped longitudinal side members 42 which are extended up to the continuous mold 1.
  • the adjusting device 19 is also designed similarly to the adjusting device shown in FIG. 1.
  • the continuous mold 1 is aligned only after the bending zone 44 has been adjusted in accordance with the position of the bending zone and at its stroke table 49 attached.
  • FIG. 3 The embodiment shown in FIG. 3 is essentially the same as that shown in FIG. 2, but with the difference that the lower end of the bending zone 44 cannot be displaced relative to the circular-shaped support element 40.
  • the bending zone 44 is articulated only on the sheet longitudinal member 42 on the outside of the sheet, extended to approximately the level of the continuous mold 1.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)

Abstract

Bei einer Stranggießanlage sind einer Durchlaufkokille (1) Stützelemente (9, 10) nachgeordnet, die Strangführungsbahnen (14, 15) aufweisen, wobei die Stützelemente (9, 10) innerhalb einer Kühlkammer (23, 24) angeordnet sind und gegenüber der Durchlaufkokille (1) und gegeneinander in Richtung quer zur Längsachse (18) der Strangführungsbahnen (14, 15) einstellbar an einem Stützgerüst (12, 38) befestigt sind. Um eine fluchtende Einstellung zwischen der Durchlaufkokille (1) und dem Stützelement (9) in einfacher Weise und mit geringem Arbeitsaufwand und selbst bei in Betrieb befindlicher Anlage bewerkstelligen zu können, wobei ein Betreten der Kühlkammer (23, 24) vermieden wird, ist mindestens eines der Stützelemente (9) zur Verstellung quer zur Längsachse (18) der Strangführungsbahnen (14, 15) mit einer an einem Stützgerust (12, 38) befestigten, von der Kühlkammer (23, 24) nach außen gerichteten und von der Außenseite der Kühlkammer her betätigbaren Stelleinrichtung (19), wie einem Gewindebolzen (22), Zahnstange etc., gekoppelt.In a continuous casting plant, support elements (9, 10) are arranged downstream of a continuous mold (1), which have strand guide tracks (14, 15), the support elements (9, 10) being arranged within a cooling chamber (23, 24) and opposite the continuous mold (1 ) and mutually adjustable in the direction transverse to the longitudinal axis (18) of the strand guideways (14, 15) on a support frame (12, 38). In order to be able to achieve an aligned setting between the continuous mold (1) and the support element (9) in a simple manner and with little work and even when the system is in operation, wherein entry into the cooling chamber (23, 24) is avoided, at least one is the support elements (9) for adjustment transversely to the longitudinal axis (18) of the strand guideways (14, 15) with a support frame (12, 38) fastened to the outside, from the cooling chamber (23, 24) and from the outside of the cooling chamber actuatable actuating device (19), such as a threaded bolt (22), rack, etc., coupled.

Description

Die Erfindung betrifft eine Stranggießanlage, insbesondere Stahlstrang-Bogenstranggießanlage, mit einer Durchlaufkokille nachgeordneten, die Strangführungsbahnen aufweisenden Stützelementen, die innerhalb einer Kühlkammer angeordnet sind und gegenüber der Durchlaufkokille und gegeneinander in Richtung quer zur Längsachse der Strangführungsbahnen einstellbar an einem Stützgerüst befestigt sind.The invention relates to a continuous casting installation, in particular a steel continuous-arch continuous casting installation, with a continuous mold arranged downstream of the continuous guide supports, which are arranged within a cooling chamber and are adjustably fastened to a supporting frame with respect to the continuous mold and against one another in the direction transverse to the longitudinal axis of the continuous guide paths.

Eine Stranggießanlage dieser Art ist aus der AT-PS 364 980 bekannt. Sämtliche Stützelemente sind zum Zweck der fluchtenden Einstellung ihrer Rollenbahnen entweder gegenüber einem ortsfesten Stützgerüst, beispielsweise gegenüber dem Fundament, oder aneinander einstellbar gelagert, so daß die Strangführungsbahnen quer zu ihrer Längsachse einstellbar sind. Von besonderer Wichtigkeit ist eine genaue Einstellung des knapp unterhalb der Kokille befindlichen ersten Stützelementes, welches bei Bogengießanlagen, die eine gerade Kokille aufweisen, als Biegezone ausgebildet ist, da der Strang knapp unterhalb der Kokille eine sehr dünne und rißempfindliche Strangschale aufweist. Ein Versatz zwischen der Biegezone und der Kokille (bzw. deren Fußrollen) oder zwischen der Biegezone und dem nachfolgenden kreisbogenförmigen Führungsbogen kann zu einem Strangdurchbruch führen.A continuous caster of this type is known from AT-PS 364 980. For the purpose of aligning their roller tracks in alignment, all of the support elements are either adjustably mounted with respect to a stationary support frame, for example with respect to the foundation, or with one another so that the strand guide tracks can be adjusted transversely to their longitudinal axis. Of particular importance is an exact setting of the first support element located just below the mold, which is designed as a bending zone in arc casting systems that have a straight mold, since the strand has a very thin and crack-sensitive strand shell just below the mold. An offset between the bending zone and the mold (or its castors) or between the bending zone and the subsequent arcuate guide arch can lead to a strand break.

Es ist aus der AT-PS 347 057 bekannt, die Biegezone am ortsfesten Stützgerüst unter Zwischenlage von Beilagscheiben zu befestigen, so daß die Biegezone genau zu einem nachfolgenden Stützelement einjustiert werden kann. Das fluchtende Einstellen der Stützelemente in der Anlage bereitet jedoch Sdwierigkeiten, da die Elemente innerhalb der Kühlkammer eingesetzt sind. Es ist daher notwendig, die Kühlkammer zu betreten und innerhalb der Kühlkammer Einstell- und Umbauarbeiten durchzuführen, was, insbesondere wenn die Anlagenteile heiß sind, nur umständlich durchzuführen ist. Außerdem kann es notwendig sein, Teile der Kühlkammer entfernen zu müssen.It is known from AT-PS 347 057 to attach the bending zone to the stationary support structure with the interposition of washers, so that the bending zone is exactly closed a subsequent support element can be adjusted. However, the alignment of the support elements in the system causes problems because the elements are inserted inside the cooling chamber. It is therefore necessary to enter the cooling chamber and carry out adjustment and conversion work within the cooling chamber, which, particularly when the system parts are hot, can only be carried out with great difficulty. It may also be necessary to remove parts of the cooling chamber.

Ein weiteres Problem stellt sich bei Stranggießanlagen, bei denen einzelne Stützelemente quer zur Längsachse der Strangführungsbahn nicht verschoben werden können, da 3ie an vorhandene Anschlußplatten für Kühl- und/oder Schmiermittel hinsichtlich ihrer Lage gebunden sind. Bei solchen Anlagen wäre es erforderlich, die Stützelemente gemeinsam mit ihren Anschlußplatten zu versetzen, was, wenn überhaupt, nur sehr umständlich durchzuführen ist.A further problem arises in continuous casting, in which individual support elements can not be moved transversely to the longitudinal axis of the strand guiding path, as 3 IU of existing terminal plates for cooling and / or lubricating their position are linked as to. In such systems, it would be necessary to move the support elements together with their connecting plates, which, if at all, can only be carried out with great difficulty.

Die Erfindung bezweckt die Vermeidung dieser Nachteile und Schwierigkeiten und stellt sich die Aufgabe, eine Stranggießanlage zu schaffen, bei der eine fluchtende Einstellung zwischen ihren Stützelementen bzw. der Kokille und den Stützelementen in einfacher Weise, mit geringem Arbeitsaufwand und selbst bei in Betrieb befindlicher Anlage unter normalen Arbeitsbedingungen bewerkstelligt werden kann, wobei ein Betreten der Kühlkammer vermieden wird und gegebenenfalls eines der Stützelemente, beispielsweise die Kokille, an ihrem Platz verbleiben kann, d.h. keine Einstellbewegungen quer zur Längsachse der Strangführungsbahn vollführen muß.The invention aims to avoid these disadvantages and difficulties and has as its object to provide a continuous casting plant in which an aligned setting between its support elements or the mold and the support elements in a simple manner, with little effort and even when the system is in operation normal working conditions can be accomplished, wherein entering the cooling chamber is avoided and, if necessary, one of the support elements, for example the mold, can remain in place, ie does not have to make any adjustment movements transverse to the longitudinal axis of the strand guideway.

Diese Aufgabe der Erfindung wird dadurch gelöst, daß mindestens eines der Stützelemente zur Verstellung quer zur Längsachse der Strangführungsbahnen mit einer an einem Stützgerüst befestigten, von der Kühlkammer nach außen gerichteten und von der Außenseite der Kühlkammer her betätigbaren Stelleinrichtung, wie einem Gewindebolzen, Zahnstange etc., gekoppelt ist, wobei vorteilhaft die Stelleinrichtung mit dem Stützelement über einen am Stützgerüst angelenkten Hebel, vorzugsweise einem zwei ungleiche Arme aufweisenden Hebel, gekoppelt ist.This object of the invention is achieved in that at least one of the support elements for adjustment transverse to the longitudinal axis of the strand guideways with one attached to a support frame, from the cooling chamber to the outside directed and operable from the outside of the cooling chamber actuating device, such as a threaded bolt, rack, etc., is coupled, wherein the actuating device is advantageously coupled to the support element via a lever articulated on the support frame, preferably a lever having two unequal arms.

Gemäß einer bevorzugten Ausführungsform ist bei einer Stranggießanlage mit einer geraden Durchlaufkokille und einer unterhalb derselben angeordneten Biegezone, der ein eine kreisbogenförmige Strangführungsbahn aufweisendes Stützelement nachgeordnet ist, sowohl das strangeinlaufseitige Ende als auch das strangauslaufseitige Ende der Biegezone mit je einer Stelleinrichtung gekoppelt. Diese Ausführungsform hat den Vorteil, daß die Kokille zwecks fluchtender Einstellung zu den Stützelementen nicht eigens vom Hubtisch gelöst und gegenüber dem Hubtisch verstellt werden muß.According to a preferred embodiment, both the strand inlet end and the strand outlet end of the bending zone are each coupled to an actuating device in a continuous casting plant with a straight continuous mold and a bending zone arranged below it, which is followed by a support element having an arcuate strand guide track. This embodiment has the advantage that the mold does not have to be detached from the lifting table and adjusted relative to the lifting table for the purpose of aligning the support elements.

Eine weitere bevorzugte Ausführungsform einer Stranggießanlage mit einer geraden Durchlaufkokille und einer unterhalb derselben angeordneten Biegezone, der ein eine kreisbogenförmige Strangführungsbahn aufweisendes Stützelement nachgeordnet ist, das sich einstückig über seine Länge erstreckende, Stützrollen tragende Bogenlängsträger aufweist, ist dadurch gekennzeichnet, daß das untere Ende der Biegezone gelenkig an dem ihr nachfolgenden Stützelement befestigt ist und das obere Ende der Biegezone mit der Stelleinrichtung gekoppelt ist. Bei einer Stranggießanlage dieser Art ist es lediglich erforderlich, das obere Ende der Biegezone gegenüber der nicht eigens zu verstellenden Kokille zwecks fluchtender Einstellung der Stützelemente auszurichten. Das untere Ende der Biegezone befindet sich infolge der gelenkigen Lagerung an den Bogenlängsträgern, die eine der Rollenbahnen tragen, auch bei geringfügigen Schwenkbewegungen der Biegezone in genau einjustierter Lage zu der der Biegezone nachfolgenden Kreisbogenbahn. Dabei ist es vorteilhaft, wenn die Stelleinrichtung mit der Biegezone über einen an den Längsträgern angelenkten Hebel gekoppelt ist.A further preferred embodiment of a continuous caster with a straight continuous mold and a bending zone arranged underneath it, which is followed by a support element which has a circular arc-shaped strand guide path and which has arched longitudinal members which extend over its length and which support supporting rollers, is characterized in that the lower end of the bending zone is articulated to the support element that follows it and the upper end of the bending zone is coupled to the adjusting device. In a continuous caster of this type, it is only necessary to align the upper end of the bending zone with respect to the mold, which is not to be specifically adjusted, for the purpose of aligning the support elements. The lower end of the bending zone is due to the articulated mounting on the side rails that carry one of the roller conveyors, even with slight pivoting movements of the bending zone in a precisely adjusted position to the circular arc path following the bending zone. It is advantageous if the actuating device is coupled to the bending zone via a lever articulated on the side members.

Für eine Knüppel- bzw. Bloomstranggießanlage mit einer an einer vertikalen oszillierenden Flanschplatte angeflanschten Durchlaufkokille, einer unterhalb der Durchlaufkokille vorgesehenen Biegezone und einem an die Biegezone anschließenden, eine kreisbogenförmige Strangführungsbahn aufweisenden Stützelement ist gemäß einer bevorzugten Ausführungsform die Biegezone mit ihrem unteren Ende an dem ihr nachfolgenden Stützelement angelenkt und ist die Biegezone nahe ihrem oberen Ende mit der Stelleinrichtung gekoppelt.For a billet or bloom continuous casting plant with a continuous mold flanged to a vertical oscillating flange plate, a bending zone provided below the continuous mold and a support element which adjoins the bending zone and has an arc-shaped strand guide track, the bending zone with its lower end is at its lower end at the succeeding one Support element articulated and the bending zone is coupled near its upper end with the actuator.

Die Erfindung ist nachfolgend anhand der Zeichnung an mehreren Ausführungsbeispielen näher erläutert, wobei Fig. 1 eine teilweise geschnittene Seitenansicht einer Bloomgießanlage und Fig. 2 eine schematische Darstellung einer Seitenansicht einer Brammenstranggießanlage zeigen. Fig. 3 stellt in zu Fig. 2 analoger Darstellung eine weitere Ausführungsform dar.The invention is explained in more detail below with reference to the drawing using several exemplary embodiments, FIG. 1 showing a partially sectioned side view of a bloom casting installation and FIG. 2 a schematic illustration of a side view of a continuous slab casting installation. FIG. 3 shows a further embodiment in a representation analogous to FIG. 2.

Gemäß der in Fig. 1 dargestellten Ausführungsform weist eine gerade Durchlaufkokille 1 einer Bloomstranggießanlage, die an ihrem unteren Ende mit Fußrollen 2 versehen ist, eine vertikale Flanschplatte 3 auf. Mit dieser Flanschplatte 3 wird die Kokille an eine vertikal oszillierende Flanschplatte 4 eines Kokillenträgers 5, der ebenfalls vertikal oszilliert, angeklemmt. Diese Flanschplatten 3, 4 tragen öffnungen für das zu- und abfließende Kühlmedium, so daß die Durchlaufkokille 1 nach Anklemmen der Flanschplatte 3 an der oszillierenden Flanschplatte 4 automatisch an die Versorgungsleitungen angeschlossen ist. Die Oszilliereinrichtung wird von einem Gelenkviereck gebildet, dessen Schwingen mit 6, 7 bezeichnet sind. Eine der Schwingen ist über ihren ortsfesten Anlenkpunkt 8 hinaus verlängert und wird mittels eines Oszillierantriebes in schwingende Bewegung versetzt.According to the embodiment shown in FIG. 1, a straight continuous mold 1 of a bloom continuous casting installation, which is provided with casters 2 at its lower end, has a vertical flange plate 3. With this flange plate 3, the mold is clamped to a vertically oscillating flange plate 4 of a mold carrier 5, which also oscillates vertically. These flange plates 3, 4 have openings for the cooling medium flowing in and out, so that the continuous mold 1 is automatically connected to the supply lines after the flange plate 3 has been connected to the oscillating flange plate 4. The oscillating device is from ei Nem quadrilateral formed, the wings are designated 6, 7. One of the wings is extended beyond its fixed articulation point 8 and is set in oscillating motion by means of an oscillating drive.

Unterhalb der Durchlaufkokille 1, d.h. unterhalb ihrer Fußrollen 2, ist ein den Strang inKreisbogenform biegendes Stützelement 9 angeordnet, das nachfolgend als Biegezone bezeichnet ist. An die Biegezone 9 schließt ein Stützelement 10 mit kreisbogenförmigen Strangführungsbahnen an. Dieses käfigartige Stützelement 10 ist mittels einer Lasche 11 an einem ortsfesten Stützgerüst 12 aufgehängt. Am oberen Ende des die kreis- bogenförmigenstrangführungsb*uientragenden Stützelementes 10 ist die Biegezone 9 gelenkig befestigt, u.zw. mittels eines Bolzens 13, so daß die Biegezone um diesen Bolzen geschwenkt werden kann.Below the continuous mold 1, i.e. Below their casters 2 there is a support element 9 which bends the strand in a circular arc shape and which is referred to below as the bending zone. A support element 10 with arcuate strand guide tracks adjoins the bending zone 9. This cage-like support element 10 is suspended from a fixed support frame 12 by means of a bracket 11. The bending zone 9 is fastened in an articulated manner to the upper end of the support element 10 which supports the circular-strand-shaped strand guide guide elements, etc. by means of a pin 13 so that the bending zone can be pivoted about this pin.

Die Biegezone 9 wird um den Bolzen 13 so weit geschwenkt, bis ihre Rollenbahnen 14, 15 mit den korrespondierenden Seitenwänden 16, 17 der Durchlaufkokille bzw. den Fußrollen 2 der Durchlaufkokille fluchten. Zur Durchführung dieser Einstellbewegung - das obere Ende der Biegezone 9 bewegt sich hierbei quer zur Längsachse 18 der Strangführungsbahnen 14, 15 - dient eine Stelleinrichtung 19, die von einem Handrad 20 und einer auf diesem Handrad montierten Mutter 21, in welche Mutter ein Gewindebolzen 22 eingreift, gebildet ist. Das Handrad 20, die Mutter 21 und der Gewindebolzen 22 befinden sich außerhalb der schematisch dargestellten, den Kühlkammerraum 23 begrenzenden Kühlkammerwand 24. Der Gewindebolzen ist in Richtung zur Biegezone hin verlängert und an seinem Ende 25 an einem an einer ortsfesten Konsole 26 gelenkig gelagerten Hebel 27 angelenkt. Dieser Hebel 27 weist zwei Arme 28, 29 auf, die ungleich lang sind. Der längere Arm 28 ist zum Gewindebolzen 22 gerichtet und an ihm angelenkt; der kürzere Arm 29 greift mit einem Gelenkbolzen 30 in eine am oberen Ende der Biegezone befestigte Gabel 31 ein. Durch Verdrehen des Handrades 20 läßt sich der Hebel 27 um seine Schwenkachse 32 schwenken, wodurch das obere Ende der Biegezone 9 um den Bolzen 13 geschwenkt werden kann.The bending zone 9 is pivoted about the bolt 13 until its roller tracks 14, 15 are aligned with the corresponding side walls 16, 17 of the continuous mold or the casters 2 of the continuous mold. To carry out this adjustment movement - the upper end of the bending zone 9 moves transversely to the longitudinal axis 18 of the strand guideways 14, 15 - an actuating device 19 is used, which has a handwheel 20 and a nut 21 mounted on this handwheel, in which nut a threaded bolt 22 engages , is formed. The handwheel 20, the nut 21 and the threaded bolt 22 are located outside the schematically illustrated cooling chamber wall 24 delimiting the cooling chamber space 23. The threaded bolt is extended in the direction of the bending zone and at its end 25 on a lever 27 articulated on a fixed bracket 26 articulated. This lever 27 has two arms 28, 29 which are of different lengths. The longer arm is 28 directed to the threaded bolt 22 and hinged to it; the shorter arm 29 engages with a hinge pin 30 in a fork 31 attached to the upper end of the bending zone. By turning the handwheel 20, the lever 27 can be pivoted about its pivot axis 32, as a result of which the upper end of the bending zone 9 can be pivoted about the bolt 13.

Diese Konstruktion hat den Vorteil, daß Einstellarbeiten in einfacher Weise von außerhalb der Kühlkammer 23, 24 durchgeführt werden können, wobei die Durchlaufkokille 1 selbst nicht verstellt werden muß. Dadurch entfallen Einstellarbeiten an den Flanschplatten 3, 4 und die Dichtheit der Kühlwasserzu- und -abflüsse bleibt gewährleistet.This construction has the advantage that adjustment work can be carried out in a simple manner from outside the cooling chamber 23, 24, the pass mold 1 itself not having to be adjusted. This eliminates adjustment work on the flange plates 3, 4 and the tightness of the cooling water inflows and outflows remains guaranteed.

Zum Fixieren des Handrades 20 (und damit der Biegezone 9) in einer bestimmten Stellung ist an dessen Achse 33 eine Lochscheibe 34 befestigt, durch die ein Fixierungsbolzen 35 hindurchgesteckt werden kann, wobei der Fixierungsbolzen zwei an ortsfesten Konsolen 36 angeordnete öffnungen durchsetzt. Um das Vordringen von Wasser bzw. Dampf zur Mutter 21 und zum Gewindebolzen 22 zu verhindern, ist der Gewindebolzen in ein Rohr 37, das in einem Querträger 38 des ortsfesten Stützgerüstes 12 eingeschweißt ist, eingesetzt und gegenüber dem Rohr 37 mittels einer Dichtung 39 abgedichtet.To fix the handwheel 20 (and thus the bending zone 9) in a certain position, a perforated disk 34 is attached to its axis 33, through which a fixing bolt 35 can be inserted, the fixing bolt passing through two openings arranged on fixed brackets 36. In order to prevent the penetration of water or steam to the nut 21 and to the threaded bolt 22, the threaded bolt is inserted into a tube 37, which is welded into a cross member 38 of the stationary supporting frame 12, and sealed off from the tube 37 by means of a seal 39.

Bei der in Fig. 2 dargestellten Ausführungsform handelt es sich um eine Bogenstranggießanlage für Brammen, wobei ein kreisbogenförmige Strangführungsbahnen aufweisendes Stützelement 40 sich einstückig über seine Länge erstreckende, die bogeninnen- und bogenaußenseitigen Stützrollen 41 tragende Bogenlängsträger 42, 43 aufweist. Die bogenäußeren Bogenlängsträger 42 sind nach oben in Richtung zur Durchlaufkokille 1 hin verlängert. Die Biegezone 44 ist mit ihrem unteren Ende an einem in eine Konsole 45 der Biegezone 44 eingreifenden Bolzen 46 angelenkt, wobei der Bolzen 46 entlang eines Langloches 47 der Bogenlängsträger 42 geführt ist. Die Längsachse 48 des Langloches 47 ist etwa quer zur Längsachse 18 der Rollenbahnen 14, 15 gerichtet. An diesem Bolzen 46 greift unmittelbar eine ähnlich der in Fig. 1 dargestellten Stelleinrichtung 19 ausgebildete Stelleinrichtung 19 an, so daß das untere Ende der Biegezone 44 etwa in Richtung quer zur Längsachse 18 verschiebbar ist. Dadurch läßt sich das untere Ende der Biegezone genau fluchtend zu dem kreisbogenförmigen Führungsbogen einstellen.The embodiment shown in FIG. 2 is a continuous sheet caster for slabs, a supporting element 40 having circular arc-shaped strand guiding tracks extending in one piece over its length and having longitudinal supports 42, 43 supporting the inner and outer supporting rollers 41. The arc-shaped longitudinal members 42 are extended upwards in the direction of the continuous mold 1. The Bie gezone 44 is articulated at its lower end to a bolt 46 engaging in a bracket 45 of the bending zone 44, the bolt 46 being guided along an elongated hole 47 of the longitudinal arch members 42. The longitudinal axis 48 of the elongated hole 47 is oriented approximately transversely to the longitudinal axis 18 of the roller tracks 14, 15. An actuating device 19 configured similarly to the actuating device 19 shown in FIG. 1 acts directly on this bolt 46, so that the lower end of the bending zone 44 can be displaced approximately in the direction transverse to the longitudinal axis 18. As a result, the lower end of the bending zone can be set exactly in alignment with the circular arc-shaped guide arc.

Das obere Ende der Biegezone 44 ist ebenfalls mit einer Stelleinrichtung 19 gekoppelt, wobei zwischen der Stelleinrichtung 19 und dem oberen Ende der Biegezone 44 ein Hebel 27 vorgesehen ist, der gleich gestaltet ist dem Hebel 27 gemäß Fig. 1. Der Hebel ist jedoch nicht an einem ortsfesten Stützgerüst 12 angelenkt (wie in Fig. 1 dargestellt), sondern es ist die Schwenkachse 32 des Hebels 27 an den nach oben bis zur Durchlaufkokille 1 verlängerten bogenäußeren Bogenlängsträgern42 angeordnet. Die Stelleinrichtung 19 ist ebenfalls ähnlich der in Fig. 1 dargestellten Stelleinrichtung gestaltet. Mit dieser Ausführungsform ist es nicht nur möglich, die Biegezone zu den benachbarten Stützelementen, d.h. zur Durchlaufkokille und zum Stützelement 40 auszurichten, so daß ein Rollenversatz vermieden wird, sondern es kann auch die Biegezone so ausgerichtet werden, daß ihre Strangführungsbahnen ohne Knick in die kreisbogenförmigen Strangführungsbahnen des Stützelementes 40 übergehen, was für Stränge mit Brammenquerschnitt von besonderer Bedeutung ist. In diesem Fall wird die Durchlaufkokille 1 erst nach Einjustieren der Biegezone 44 entsprechend der Lage der Biegezone ausgerichtet und an ihrem Hubtisch 49 befestigt.The upper end of the bending zone 44 is also coupled to an actuating device 19, wherein a lever 27 is provided between the actuating device 19 and the upper end of the bending zone 44, which lever 27 is configured in the same way as the lever 27 according to FIG. 1. However, the lever is not on articulated to a stationary support structure 12 (as shown in FIG. 1), but the pivot axis 32 of the lever 27 is arranged on the arc-shaped longitudinal side members 42 which are extended up to the continuous mold 1. The adjusting device 19 is also designed similarly to the adjusting device shown in FIG. 1. With this embodiment, it is not only possible to align the bending zone to the adjacent support elements, that is to the continuous mold and to the support element 40, so that roll misalignment is avoided, but it is also possible to align the bending zone in such a way that its strand guideways have no kink in the circular arc Strand guide tracks of the support element 40 pass over, which is of particular importance for strands with a slab cross section. In this case, the continuous mold 1 is aligned only after the bending zone 44 has been adjusted in accordance with the position of the bending zone and at its stroke table 49 attached.

Die in Fig. 3 dargestellte Ausführungsform ist im wesentlichen gleich der in Fig. 2 dargestellten, jedoch mit dem Unterschied, daß das untere Ende der Biegezone 44 gegenüber dem kreisbogenförmigen Stützelement 40 nicht verschiebbar ist. Die Biegezone 44 ist lediglich an dem bogenaußenseitigen, bis etwa in Höhe der Durchlaufkokille 1 verlängerten Bogenlängsträger 42 gelenkig gelagert.The embodiment shown in FIG. 3 is essentially the same as that shown in FIG. 2, but with the difference that the lower end of the bending zone 44 cannot be displaced relative to the circular-shaped support element 40. The bending zone 44 is articulated only on the sheet longitudinal member 42 on the outside of the sheet, extended to approximately the level of the continuous mold 1.

Claims (6)

1. Stranggießanlage, insbesondere Stahlstrang-Bogenstranggießanlage, mit einer Durchlaufkokille (1) nachgeordneten, die Strangführungsbahnen (14, 15) aufweisenden Stützelementen (9, 10; 40, 44), die innerhalb einer Kühlkammer (23, 24) angeordnet sind und gegenüber der Durchlaufkokille (1) und gegeneinander in Richtung quer zur Längsachse (18) der Strangführungsbahnen (14, 15) einstellbar an einem Stützgerüst (12, 38; 42) befestigt sind, dadurch gekennzeichnet, daß mindestens eines der Stützelemente (9; 44) zur Verstellung quer zur Längsachse (18) der Strangführungsbahnen (14, 15) miteiner an einem Stützgerüst (12, 38) befestigten, von der Kühlkammer (23, 24) nach außen gerichteten und von der Außenseite der Kühlkammer her betätigbaren Stelleinrichtung (19), wie einem Gewindebolzen (22), einer Zahnstange etc., gekoppelt ist.1. Continuous casting plant, in particular steel strand-arch continuous casting plant, with a continuous mold (1) downstream, the strand guide tracks (14, 15) having supporting elements (9, 10; 40, 44), which are arranged within a cooling chamber (23, 24) and opposite the Continuous mold (1) and mutually adjustable in the direction transverse to the longitudinal axis (18) of the strand guideways (14, 15) on a support frame (12, 38; 42), characterized in that at least one of the support elements (9; 44) for adjustment transverse to the longitudinal axis (18) of the strand guideways (14, 15) with an actuator (19) attached to a support frame (12, 38), directed outward from the cooling chamber (23, 24) and actuatable from the outside of the cooling chamber, such as a Threaded bolt (22), a rack, etc., is coupled. 2. Stranggießanlage nach Anspruch 1, dadurch gekennzeichnet, daß die Stelleinrichtung (19) mit dem Stützelement (9, 44) über einen am Stützgerüst (12, 38; 42) . angelenkten Hebel (27), vorzugsweise einem zwei ungleiche Arme (28, 29) aufweisenden Hebel (27), gekoppelt ist.2. Continuous casting installation according to claim 1, characterized in that the adjusting device (19) with the support element (9, 44) via a on the support frame (12, 38; 42). Articulated lever (27), preferably a lever (27) having two unequal arms (28, 29). 3. Stranggießanlage nach Anspruch 1 oder 2, mit einer geraden Durchlaufkokille (1) und einer unterhalb derselben angeordneten Biegezone (44), der ein eine kreisbogenförmige Strangführungsbahn aufweisendes Stützelement (40) nachgeordnet ist, dadurch gekennzeichnet, daß sowohl das strangeinlaufseitige Ende als auch das strangauslaufseitige Ende der Biegezone (44) mit je einer Stelleinrichtung (19) gekoppelt ist (Fig. 2).3. Continuous casting installation according to claim 1 or 2, with a straight continuous mold (1) and a bending zone (44) arranged below the latter, which is followed by a circular element having a circular guideway supporting element (40), characterized in that both the strand inlet end and that end of the bending zone (44) on the strand outlet side is each coupled to an actuating device (19) (FIG. 2). 4. Stranggießanlage nach Anspruch 1 oder 2, mit einer geraden Durchlaufkokille (1) und einer unterhalb derselben angeordneten Biegezone (44), der ein eine kreisbogenförmige Strangführungsbahn aufweisendes Stützelement (40) nachgeordnet ist, das sich einstückig über seine Länge erstreckende, Stützrollen (41) tragende Bogenlängsträger (42, 43) aufweist, dadurch gekennzeichnet, daß das untere Ende der Biegezone (44) gelenkig an dem ihr nachfolgenden Stützelement (40) befestigt ist und das obere Ende der Biegezone (44) mit der Stelleinrichtung (19) gekoppelt ist (Fig. 2 und 3).4. Continuous casting installation according to claim 1 or 2, with a straight continuous mold (1) and a bending zone (44) arranged beneath it, which is followed by a supporting element (40) having an arcuate strand guiding track, the supporting rollers (41 extending in one piece over its length) ) supporting bow longitudinal members (42, 43), characterized in that the lower end of the bending zone (44) is articulated to the support element (40) following it and the upper end of the bending zone (44) is coupled to the adjusting device (19) (Figs. 2 and 3). 5. Stranggießanlage nach Anspruch 4, dadurch gekennzeichnet, daß die Stelleinrichtung (19) mit der Biegezone (44) über einen an den Längsträgern (42) angelenkten Hebel (27) gekoppelt ist (Fig. 2 und 3).5. Continuous caster according to claim 4, characterized in that the adjusting device (19) with the bending zone (44) via a to the longitudinal members (42) articulated lever (27) is coupled (Fig. 2 and 3). 6. Knüppel- bzw. Bloomstahlstranggießanlage nach den Ansprüchen 1 bis 3, mit einer an einer vertikalen oszillierenden Flanschplatte (4) angeflanschten Durchlaufkokille (1), einer unterhalb der Durchlaufkokille (1) vorgesehenen Biegezone (9) und einem an die Biegezone (9) anschließenden, eine kreisbogenförmige Strangführungsbahn aufweisenden Stützelement`(1O), dadurch gekennzeichnet, daß die Biegezone mit ihrem unteren Ende an dem ihr nachfolgenden Stützelement (10) angelenkt ist und die Biegezone (9) nahe ihrem oberen Ende mit der Stelleinrichtung (19) gekoppelt ist (Fig. 1).6. billet or bloom steel continuous casting system according to claims 1 to 3, with a on a vertical oscillating flange plate (4) flanged continuous mold (1), a below the continuous mold (1) provided bending zone (9) and one to the bending zone (9) adjoining support element` (10), which has an arcuate strand guide path, characterized in that the lower end of the bending zone is articulated on the support element (10) following it and the bending zone (9) is coupled near the upper end to the adjusting device (19) (Fig. 1).
EP82890186A 1982-01-12 1982-12-20 Continuous casting plant Expired EP0083917B1 (en)

Applications Claiming Priority (2)

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AT80/82 1982-01-12
AT0008082A AT372025B (en) 1982-01-12 1982-01-12 CONTINUOUS CASTING PLANT

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EP0083917A2 true EP0083917A2 (en) 1983-07-20
EP0083917A3 EP0083917A3 (en) 1983-10-05
EP0083917B1 EP0083917B1 (en) 1986-02-26

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JP (1) JPS58122162A (en)
AT (1) AT372025B (en)
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DE (1) DE3269526D1 (en)

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WO2007101685A1 (en) * 2006-03-09 2007-09-13 Sms Demag Ag Continuous casting plant and method of operating a continuous casting plant

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AT404808B (en) * 1996-05-20 1999-03-25 Voest Alpine Ind Anlagen CONTINUOUS CASTING PLANT
DE10106252A1 (en) * 2001-02-10 2002-08-14 Sms Demag Ag Continuous routing of a continuous caster as well as setting procedures for its roller segments

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AT340618B (en) * 1975-01-07 1977-12-27 Voest Ag ROPE GUIDE FOR CONTINUOUS CASTING PLANTS WITH A FRAME OR SLIDING BY AN ACTUATOR YOKE
AT347057B (en) * 1976-07-08 1978-12-11 Voest Ag CONTINUOUS CASTING PLANT
EP0032487A1 (en) * 1980-01-11 1981-07-22 VOEST-ALPINE Aktiengesellschaft Double-strand continuous casting plant
AT364980B (en) * 1980-01-11 1981-11-25 Voest Alpine Ag METHOD FOR CONTINUOUSLY MEASURING THE STRAND SURFACE TEMPERATURE OF A CAST STRAND AND DEVICE FOR CARRYING OUT THE METHOD
DE3212413A1 (en) * 1981-04-22 1982-11-11 Voest-Alpine AG, 4010 Linz Roller apron frame for a continuous casting installation

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AT344929B (en) * 1975-11-24 1978-08-25 Voest Ag PLATE COLLAR FOR CONTINUOUS STEEL SLABS
AT363627B (en) * 1979-10-22 1981-08-25 Voest Alpine Ag STRING GUIDANCE FOR AN ARC CONTINUOUS CASTING SYSTEM

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AT340618B (en) * 1975-01-07 1977-12-27 Voest Ag ROPE GUIDE FOR CONTINUOUS CASTING PLANTS WITH A FRAME OR SLIDING BY AN ACTUATOR YOKE
AT347057B (en) * 1976-07-08 1978-12-11 Voest Ag CONTINUOUS CASTING PLANT
EP0032487A1 (en) * 1980-01-11 1981-07-22 VOEST-ALPINE Aktiengesellschaft Double-strand continuous casting plant
AT364980B (en) * 1980-01-11 1981-11-25 Voest Alpine Ag METHOD FOR CONTINUOUSLY MEASURING THE STRAND SURFACE TEMPERATURE OF A CAST STRAND AND DEVICE FOR CARRYING OUT THE METHOD
DE3212413A1 (en) * 1981-04-22 1982-11-11 Voest-Alpine AG, 4010 Linz Roller apron frame for a continuous casting installation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007101685A1 (en) * 2006-03-09 2007-09-13 Sms Demag Ag Continuous casting plant and method of operating a continuous casting plant
US8100166B2 (en) 2006-03-09 2012-01-24 Sms Siemag Aktiengesellschaft Continuous casting plant and method of operating a continuous casting plant

Also Published As

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US4544015A (en) 1985-10-01
AT372025B (en) 1983-08-25
EP0083917B1 (en) 1986-02-26
JPS58122162A (en) 1983-07-20
ATA8082A (en) 1983-01-15
EP0083917A3 (en) 1983-10-05
CA1198567A (en) 1985-12-31
DE3269526D1 (en) 1986-04-03

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