EP1286797B1 - Procede et dispositif pour mettre en place au moins un segment a rouleaux dans une installation de coulee en continu pour metaux, en particulier pour les aciers - Google Patents

Procede et dispositif pour mettre en place au moins un segment a rouleaux dans une installation de coulee en continu pour metaux, en particulier pour les aciers Download PDF

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Publication number
EP1286797B1
EP1286797B1 EP01980027A EP01980027A EP1286797B1 EP 1286797 B1 EP1286797 B1 EP 1286797B1 EP 01980027 A EP01980027 A EP 01980027A EP 01980027 A EP01980027 A EP 01980027A EP 1286797 B1 EP1286797 B1 EP 1286797B1
Authority
EP
European Patent Office
Prior art keywords
segment
pressure
piston
upper frame
roller
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.)
Expired - Lifetime
Application number
EP01980027A
Other languages
German (de)
English (en)
Other versions
EP1286797A1 (fr
Inventor
Axel Weyer
Horst Von Wyl
Wolfgang Schmitz
Dieter Böttger
Axel Selke
Peter Schmidt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Siemag AG
Original Assignee
SMS Demag AG
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Filing date
Publication date
Application filed by SMS Demag AG filed Critical SMS Demag AG
Publication of EP1286797A1 publication Critical patent/EP1286797A1/fr
Application granted granted Critical
Publication of EP1286797B1 publication Critical patent/EP1286797B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/20—Controlling or regulating processes or operations for removing cast stock
    • B22D11/208—Controlling or regulating processes or operations for removing cast stock for aligning the guide rolls
    • 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
    • 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
    • B22D11/16—Controlling or regulating processes or operations

Definitions

  • the invention relates to a method and a device for adjusting one or more roller segments in a continuous casting plant for metals, in particular for steel materials whose roles in the upper segment frame and the lower frame segment by pairs of hydraulic piston-cylinder units are moved away from each other frame trusses, if the pressure within of the respective pair (4) of piston-cylinder units reaches a predetermined maximum value.
  • the jaw width which corresponds to the thickness of the casting strand, is steplessly adjusted during casting by hydraulically connecting two adjacent servo piston-cylinder units in a strand guiding segment having four piston-cylinder units be employed the strand and the other servo piston-cylinder units are set independently (DE 196 27 336 C1).
  • US Pat. No. 3,757,848 The subject matter of US 3,757,848 is an adjusting device for adjusting roller segments in the columns of the roller stand, wherein the crosspiece is slidably mounted on the column via a housing and a ring rotatable about the column and provided with steps in the form of recesses, can accommodate the distance bolts whose length is the distance of the cast strand determine the supporting and leading upper and lower support rollers of the roller stand.
  • the stepped ring can be released by applying the pressure top of the piston of the laterally arranged piston-cylinder unit (extension). After a distance adjustment of the support rollers is done by pulling the piston rod, the tension of the spacer bolt.
  • the resulting G hasslestranggeometrie is transported through the entire casting plant and passes through each roller segment, which locally different load conditions arise, at the same time always the strand guidance and a suppression of Strandausbauchung be ensured by the ferrostatic pressure. These conditions require special measures.
  • the invention has for its object to counteract an impending overload by a more efficient reaction of the respective roll segment, i. provide for further protective measures.
  • the object is achieved according to the invention that in case of overload, the piston-cylinder units of each roller segment are switched in successive stages of a position- to a pressure-controlled operation for guiding and / or pressing the G cashstrangs and that with a reduced pressure or in a non-pressurized Switching state is moved to the switching state for limited opening of a roller segment to a gap distance between a pivoted position of a lever arm and an abutment on the segment upper frame.
  • a more efficient response of the roller segment with increasing load may be targeted to the local load forces, i. an evasion towards the coming overload regulated.
  • the segmental upper frame with rollers and bearings actively deviates in the "open" circuit of the build-up overload.
  • a quick removal of the upper roller segment is possible.
  • the device for employment of one or more roller segments in a continuous casting plant for metals, in particular for steel materials is based on generically roles in the segment upper frame and in the segment subframe, which are movable away from each other by means of pairs of hydraulic piston-cylinder units to frame traverses when the pressure within the respective pair of position and / or pressure adjustable piston-cylinder units reaches a predetermined maximum value.
  • the object is achieved with respect to the device according to the invention that in case of overload, the piston-cylinder units of each roller segment can be controlled in successive stages and the leadership and / or pressing the casting strand are switchable, said control under a reduced pressure or in a unpressurized switching state can take place up to the switching state for limited opening of a roller segment and that an adjustable Auffahrbegrenzung in the path of the segment upper frame is set at least a gap distance in the path between a pivoted position of a lever arm and an abutment on the segment upper frame.
  • the segment upper frame does not have to cover the entire possible access path.
  • An advantageous arrangement consists according to further features in that the Auffahrbegrenzung is associated with each piston-cylinder unit in the immediate vicinity. In a four-cylinder segment, each piston-cylinder unit receives such a ramp limit.
  • the Auffahrweg determined according to other characteristics, characterized in that the Auffahrbegrenzung forms an abutment on the segment upper frame with a predetermined gap distance.
  • the gap distance can be formed such that on the abutment of the segment upper frame inserts for a stepwise variable gap spacing are stackable, which are individually selectable in number and thickness on each segment upper frame or on each piston-cylinder unit. This makes it possible to individually adjust a basic setting of the ramp limit for each roller segment or for each piston-cylinder unit on the casting strand inlet side and on the casting strand outlet side.
  • the device is used in a continuous casting plant for metals, in particular for steel materials, for setting one or more roll segments 1, each consisting of, for example, six rolls 1a (roll pairs) on a roll segment 1, which in a segment upper frame 2 and a segment subframe 3 are rotatably mounted and partially rotatably driven.
  • the segment upper frame 2 and the segment subframe 3 are positionally and / or pressure controllable in a path sequencing by means of pairs 4 of piston-cylinder units on frame cross members 5 adjustable, which results from the casting direction 6a of the casting strand 6 (a slab strand is shown).
  • the operation is switched from a position to a pressure-controlled employment as soon as the pressure within the respective pair 4 of piston-cylinder units reaches a predetermined maximum value.
  • Cast strand 6 may be a slab strand, or may have a billet cross section, such as a billet cross section. a dog-bone profile.
  • an adjustable Auffahrbegrenzung 7 is arranged (Fig. 1 B and 1 C).
  • the Auffahrbegrenzung is generally located between the segment upper frame 2 and the segment subframe 3.
  • the Auffahrbegrenzung 7 is designed as an angle lever 7a.
  • the angle lever 7a is associated with each piston-cylinder unit in close proximity (FIGS. 1A, 2A, 2B and FIGS. 5, 6 and 7).
  • the angle lever 7a is fixed by means of a pivot axis 8 on the segment subframe 3.
  • the angle lever 7a has in the illustrated embodiment, a first lever arm 9a and a second lever arm 9b.
  • the angle lever 7a faces an abutment 11 which is fastened to the upper segment frame 2.
  • inserts 13 are placed so that the pivoted Auffahrbegrenzung 7 a maximum gap spacing 12 is.
  • the gap distance 12 is shown in FIG. 2A in the clamping position of the segment upper frame 2 is not present and visible in FIG. 2B in its maximum size.
  • the roller bearing 15 is in sliding or rolling bearing design under the correspondingly high load.
  • the Auffahrbegrenzung 7 is performed at the same time as overload protection 14.
  • the angle lever 7a is provided with a predetermined breaking point 16.
  • the drive-over boundary 7 is shown with the angle lever 7a in the pivoted-in position 10 and in dashed lines in the pivoted-out position (FIG. 6B).
  • the angle lever 7a is mounted about the axis 8 in the segment subframe 3 and an abutment 11 formed on the segment upper frame 2, on which the inserts 13 are stacked.
  • the maximum gap distance 12 is visible, in which the upper segment frame 2 can move. As a result, a very short movement distance of the segment upper frame 2 is created.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Claims (6)

  1. Procédé d'approche d'un ou plusieurs segments de rouleau (1) dans une installation de coulée continue pour les métaux, notamment pour les matériaux acier, dont les dans le châssis supérieur de segment (2) et dans le châssis inférieur de segment (3) rouleaux (1a) peuvent être éloignés les uns des autres par des paires d'unités hydrauliques de piston-cylindre (4) sur des traverses de châssis (5) lorsque la pression à l'intérieur de la paire respective (4) d'unités de piston-cylindre à position et/ou pression réglable atteint une valeur maximale prédéterminée ;
    caractérisé en ce que,
    en cas de surcharge, les unités de piston-cylindre (4) de chaque segment de rouleau (1) sont commutées en étapes successives d'un fonctionnement à position réglable vers un fonctionnement à pression réglable pour guider et/ou comprimer la barre de coulée (6) et qu'on va avec une pression réduite ou dans un état de commutation hors pression jusqu'à l'état de commutation pour une ouverture limitée d'un segment de rouleau jusqu'à une distance d'intervalle (12) entre une position pivotée vers l'intérieur (10) d'un bras de levier (9b) et un contre-palier (11) du châssis supérieur de segment (2).
  2. Procédé selon la revendication 1,
    caractérisé en ce que,
    à l'état de commutation hors pression, la force pondérale du châssis supérieur de segment (2) et la force de frottement du guide de cylindre de l'unité piston-cylindre (4) sont utilisées comme force de fermeture.
  3. Procédé selon une des revendications 1 ou 2,
    caractérisé en ce que, à l'état de commutation d'ouverture limitée du châssis supérieur de segment (2), un intervalle maximal des segments de rouleau (1) par rapport à la barre de coulée est respecté.
  4. Dispositif d'approche d'un plusieurs segments de rouleau (1) dans une installation de coulée continue pour les métaux, notamment pour les matériaux acier, dont les rouleaux (1a) dans le châssis supérieur de segment (2) et dans le châssis inférieur de segment (3) peuvent être éloignés les uns des autres au moyen de paires (4) d'unités hydrauliques de piston-cylindre (4) sur des traverses de châssis (5) lorsque la pression à l'intérieur de la paire respective (4) d'unités de piston-cylindre à position et/ou pression réglable atteint une valeur maximale prédéterminée ;
    caractérisé en ce que,
    en cas de surcharge, les unités de piston-cylindre (4) de chaque segment de rouleau (1) sont réglables en étapes successives et commutables pour guider et/ou comprimer la barre de coulée (6), ce réglage pouvant avoir lieu sous pression réduite ou dans un état de commutation hors pression jusqu'à l'état de commutation pour une ouverture limitée d'un segment de rouleau et qu'une limitation d'avancement réglable (7) est installée dans la course du châssis supérieur de segment (2) du moins sur une distance d'intervalle (12) dans la course entre une position pivotée vers l'intérieur (10) d'un bras de levier (9b) et un contre-palier (11) du châssis supérieur de segment (2).
  5. Dispositif selon la revendication 4,
    caractérisé en ce que
    la limite d'avancement (7) est disposée entre le châssis supérieur de segment (2) et le châssis inférieur de segment (3).
  6. Dispositif selon une des revendications 4 ou 5,
    caractérisé en ce que
    la limite d'avancement (7) est associée à chaque unité de piston-cylindre (4) à proximité immédiate.
EP01980027A 2000-05-23 2001-05-11 Procede et dispositif pour mettre en place au moins un segment a rouleaux dans une installation de coulee en continu pour metaux, en particulier pour les aciers Expired - Lifetime EP1286797B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10025452 2000-05-23
DE10025452A DE10025452A1 (de) 2000-05-23 2000-05-23 Verfahren und Einrichtung zum Anstellen eines oder mehrerer Rollensegmente in einer Stranggießanlage für Metalle, insbesondere für Stahlwerkstoffe
PCT/EP2001/005384 WO2001089742A1 (fr) 2000-05-23 2001-05-11 Procede et dispositif pour mettre en place au moins un segment a rouleaux dans une installation de coulee en continu pour metaux, en particulier pour les aciers

Publications (2)

Publication Number Publication Date
EP1286797A1 EP1286797A1 (fr) 2003-03-05
EP1286797B1 true EP1286797B1 (fr) 2006-06-28

Family

ID=7643210

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Application Number Title Priority Date Filing Date
EP01980027A Expired - Lifetime EP1286797B1 (fr) 2000-05-23 2001-05-11 Procede et dispositif pour mettre en place au moins un segment a rouleaux dans une installation de coulee en continu pour metaux, en particulier pour les aciers

Country Status (8)

Country Link
US (1) US6779587B2 (fr)
EP (1) EP1286797B1 (fr)
JP (1) JP2003534135A (fr)
KR (1) KR100738355B1 (fr)
CN (1) CN1253274C (fr)
AT (1) ATE331580T1 (fr)
DE (2) DE10025452A1 (fr)
WO (1) WO2001089742A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008004910A1 (de) 2008-01-18 2009-07-23 Sms Demag Ag Überlastüberwachung von Strangführungselementen

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20021505A1 (it) * 2002-07-10 2004-01-12 Danieli Off Mecc Dispositivo di supporto di rulli per colata continua di nastro metallico
DE10236367A1 (de) * 2002-08-08 2004-02-19 Sms Demag Ag Verfahren und Vorrichtung zum dynamischen Anstellen von einen Giessstrang aus Metall, insbesondere aus Stahl, beidseitig stützenden und/oder führenden Rollensegmenten
DE102006048511A1 (de) * 2006-10-13 2008-04-17 Sms Demag Ag Strangführungsvorrichtung und Verfahren für deren Betrieb
DE102007006458A1 (de) * 2007-02-05 2008-08-07 Sms Demag Ag Stranggießeinrichtung zum Erzeugen von Brammen aus Stahl
KR100851224B1 (ko) 2007-03-26 2008-08-07 주식회사 포스코 연속주조 세그멘트 리덕션 장치
AT506976B1 (de) * 2008-05-21 2012-10-15 Siemens Vai Metals Tech Gmbh Verfahren zum stranggiessen eines metallstrangs
KR101148876B1 (ko) * 2009-06-26 2012-05-29 현대제철 주식회사 연속주조공정의 시작 제어 방법
GB0916946D0 (en) * 2009-09-28 2009-11-11 Siemens Vai Metals Tech Ltd Compliant strand containment
DE102010062355A1 (de) 2010-12-02 2012-06-06 Sms Siemag Ag Verfahren zum Gießen eines Metallstrangs in einer Stranggießanlage und Stranggießanlage
AT512214B1 (de) * 2011-12-05 2015-04-15 Siemens Vai Metals Tech Gmbh Prozesstechnische massnahmen in einer stranggiessmaschine bei giessstart, bei giessende und bei der herstellung eines übergangsstücks
CN116422852B (zh) * 2023-06-12 2023-11-17 中国重型机械研究院股份公司 一种特厚板连铸七辊大压下扇形段控制模型

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2062792C3 (de) 1970-12-19 1979-02-15 Schloemann-Siemag Ag, 4000 Duesseldorf Stützführungsrahmen fur StranggieBanlagen
CH576299A5 (fr) * 1974-08-16 1976-06-15 Concast Ag
CH604976A5 (fr) * 1977-03-15 1978-09-15 Concast Ag
DE19627336C1 (de) * 1996-06-28 1997-09-18 Mannesmann Ag Verfahren zum Führen eines Stranges und Strangführung
DE19809807C2 (de) * 1998-03-09 2003-03-27 Sms Demag Ag Anstellverfahren für ein Rollensegment einer Stranggießanlage
US6520245B2 (en) * 1998-03-09 2003-02-18 Sms Schloemann-Siemag Aktiengesellschaft Guide element of a continuous casting plant
DE19836843A1 (de) * 1998-08-14 2000-02-17 Schloemann Siemag Ag Vorrichtung zum hydraulischen Anstellen der Rollen von Strangführungssegmenten einer Stranggießanlage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008004910A1 (de) 2008-01-18 2009-07-23 Sms Demag Ag Überlastüberwachung von Strangführungselementen

Also Published As

Publication number Publication date
KR100738355B1 (ko) 2007-07-12
DE50110343D1 (de) 2006-08-10
US20030178171A1 (en) 2003-09-25
WO2001089742A1 (fr) 2001-11-29
US6779587B2 (en) 2004-08-24
ATE331580T1 (de) 2006-07-15
CN1430541A (zh) 2003-07-16
EP1286797A1 (fr) 2003-03-05
JP2003534135A (ja) 2003-11-18
KR20030003728A (ko) 2003-01-10
DE10025452A1 (de) 2001-11-29
CN1253274C (zh) 2006-04-26

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