EP2525928A1 - Élément de guidage de barre pour guider et étayer une barre métallique dans une machine de coulée continue - Google Patents

Élément de guidage de barre pour guider et étayer une barre métallique dans une machine de coulée continue

Info

Publication number
EP2525928A1
EP2525928A1 EP11700831A EP11700831A EP2525928A1 EP 2525928 A1 EP2525928 A1 EP 2525928A1 EP 11700831 A EP11700831 A EP 11700831A EP 11700831 A EP11700831 A EP 11700831A EP 2525928 A1 EP2525928 A1 EP 2525928A1
Authority
EP
European Patent Office
Prior art keywords
strand
outer frame
inner frame
strand guide
rod
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
EP11700831A
Other languages
German (de)
English (en)
Other versions
EP2525928B2 (fr
EP2525928B1 (fr
Inventor
Josef Guttenbrunner
Christian Klopf
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.)
Primetals Technologies Austria GmbH
Original Assignee
SIEMENS VAI METALS TECHNOLOGIES GmbH
Siemens VAI Metals Technologies GmbH Austria
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43901418&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2525928(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SIEMENS VAI METALS TECHNOLOGIES GmbH, Siemens VAI Metals Technologies GmbH Austria filed Critical SIEMENS VAI METALS TECHNOLOGIES GmbH
Publication of EP2525928A1 publication Critical patent/EP2525928A1/fr
Application granted granted Critical
Publication of EP2525928B1 publication Critical patent/EP2525928B1/fr
Publication of EP2525928B2 publication Critical patent/EP2525928B2/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B22D11/12—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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/1206—Accessories for subsequent treating or working cast stock in situ for plastic shaping of strands
    • 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

Definitions

  • Strand guiding element for guiding and supporting a
  • the present invention relates to a strand guiding element for guiding and supporting a metallic strand in a continuous casting machine. Specifically, the invention relates to a strand guiding element for guiding and supporting a metallic strand in one
  • each of the inner frame and the outer frame a plurality of strand guide rollers for guiding
  • Inner frame with the outer frame
  • Strand guiding elements for guiding and supporting a
  • a strand guide element has a
  • Inner frame and an outer frame (at arcuate
  • Continuous casting also referred to as an inner bow or outer arch frame or as upper or lower frame), wherein each of the inner and the outer frame more
  • Strand guide rollers for supporting and guiding the strand.
  • the strand guide element typically either at one end or at both ends of the element with a Forming adjusting device, wherein the distance between the inner frame and the outer frame transversely, ie, normal to the casting direction of the strand can be changed by the adjusting device.
  • a particularly simple construction of the strand guide element can be achieved if in the casting direction of the strand at one end of the
  • Inner frame with the outer frame a bearing is arranged, such constructions as so-called
  • an articulated connection of the inner frame to the outer frame by means of a bearing is to be understood as meaning that the inner frame allows relative rotation with respect to the outer frame, this movement does not necessarily have to be torque-free.
  • a disadvantage of the solutions according to the prior art is that due to production and application-related tolerances in the bearing or the adjusting device, a mechanical clearance between the inner and outer frame is due, so that no play-free connection between these components can be achieved.
  • play which represents a mechanical hysteresis, deviations in the thickness direction (i.e.
  • the strand in both cases, the strand has a lower dimensional stability and thus lower quality.
  • the object of the invention is the mechanical clearance of a bearing of a strand guide element for connecting the
  • the bearing has at least one rod-shaped component whose first end in the inner frame and the second end in the outer frame is firmly clamped, wherein the rod-shaped member, the movement of the inner frame relative to the outer frame receives.
  • the inner frame is free of play with the outer frame in the region of the bearing, i. both in the thickness direction and in a direction transverse to the thickness and the casting direction,
  • the rod-shaped component is designed as a bending bar, wherein the bending bar absorbs the bending stress during the movement of the inner frame relative to the outer frame.
  • the bending rod itself and its constructive design are well known to those skilled in the art, so that a simple adaptation of the bending rod to the expected opening angle of
  • the bending rod is designed as a leaf spring, a leaf spring packet or a tension rod.
  • the occurring mechanical stresses in a leaf spring, a leaf spring package or a tension rod are well known to those skilled in the literature, so that these components can be very well adapted to the loads occurring.
  • Thickness change of the strand guide element
  • the bearing additionally has a rotary joint, wherein the rotary joint represents an additional guide in the movement of the inner frame relative to the outer frame.
  • One embodiment is to form the rotary joint of a rotary eye and a rotary guide, wherein the rotary eye is connected to the inner frame and the rotary guide to the outer frame.
  • the rotary eye is connected to the outer frame and the rotary guide to the inner frame.
  • a rotation axis of the rotary joint is coaxial, i. is arranged with matching axes of rotation, to an axis of rotation of a first, preferably in the casting direction, strand guide roller.
  • the rod-shaped component is designed as a torsion bar, wherein the torsion bar absorbs the torsional stress during the movement of the inner frame relative to the outer frame.
  • the torsion bar itself as well as its structural design are well known to those skilled in the art, so that a simple adaptation of the torsion bar to the expected
  • Opening angle of a strand guide element is possible.
  • the torsion bar has a round, elliptical, rectangular or square solid or hollow cross-section. Round or elliptical
  • Cross sections have e.g. opposite square or
  • the torsion bar is made of a torsionally stiff element and a torsionally soft
  • Element preferably a torsion spring formed.
  • Elements e.g. a torsion spring, combine.
  • the terms torsional stiffness and torsional softness are each relative to each other, i. that the torsional stiffness of the torsion-resistant element substantially (for example, 5 times) greater than the torsional stiffness of the torsionally
  • the bearing is arranged at the upper end and the adjusting device at the lower end of the strand guide element.
  • frictional connection e.g. the first end and / or the second end of the rod-shaped component is positively or frictionally connected to the inner frame or the outer frame.
  • Frictional connection are well suited to clamp a rod-shaped component.
  • the adjusting device has a first end, at least one
  • Adjusting device designed as a pressure medium cylinder, wherein the piston rod is designed as a bending rod.
  • an adjusting device with bending rod can be realized in a very simple and robust manner, it being irrelevant whether the piston and the bending rod are designed as a component or - as usual - as two individual but interconnected components.
  • the adjusting device For a high setting accuracy of the strand guide element, it is advantageous, the adjusting device with a
  • Form measuring device for measuring the distance between the inner frame and outer frame. Furthermore, it is advantageous to integrate the measuring device into the pressure medium cylinder or to measure directly on the piston or the drawbar (central).
  • rod-shaped component and the inner or outer frame a supplement or an actuator for adjusting the
  • Cross section for slabs or thin slabs, to be used in steel is a section for slabs or thin slabs, to be used in steel.
  • Strand guide roller is designed as a driven roller. Also, the strand guide element can be used at any other position in the strand guide, where a greater reduction in thickness should take place. Further advantages and features of the present invention will not become apparent from the following description
  • Fig. 1 is a schematic representation of a
  • FIG. 2 shows a detail of FIG. 1 with a bearing with bending rod and swivel joint
  • Fig. 3 is a representation of a bearing with bending rod without
  • Fig. 4 is a plan view of a strand guide segment with a bearing with bending rod without hinge
  • FIG. 5 is a view from below of a strand guide segment with an adjusting device with bending rod.
  • FIG. 6 is a schematic representation of a
  • Fig. 1 shows a running as a strand guide segment 1 strand guide element of a Bogenstranggkenmaschine for
  • Regulating devices 8 has. Both the inner frame 2 and the outer frame 3 have a plurality of strand guide rollers 4 for supporting and guiding the strand. By means of each formed as a pressure cylinder 22
  • Thickness direction of the casting strand between the inner frame 2 and the outer frame 3 is set.
  • Each bearing 5 has a bar formed as a bending rod 12 rod-shaped member 9, the first end 10 in the inner frame 2 and the second end 11 is firmly clamped in the outer frame 3, wherein the rod-shaped member 9, the movement of the inner frame. 2
  • Adjusting devices 8 receives.
  • a bearing 5 from FIG. 1 is shown enlarged again in FIG. 2.
  • the outer frame 3 can be rotated by ⁇ 5 ° relative to the inner frame 2 about the bearing 5 - the bearing 5 has a pivot joint 14 which comprises a rotary eye 15 and a rotary guide 16.
  • Drawing plane of FIG. 2 is - runs coaxially to
  • Strand guide segment can be adjusted by means of the inserts 24 in a simple manner to different strand thicknesses.
  • this bearing has no rotary joint and no inserts, so that this embodiment can be produced in a particularly simple and cost-effective manner.
  • the insert 24 by an unillustrated actuator (such as a hydraulic cylinder) to replace, so that the
  • Adaptation automated i. controlled or regulated, can take place.
  • Strand guide segment according to Fig. 1, but without hinge.
  • an unillustrated casting strand between a plurality, each of the outer frame 3 and the inner frame 2 associated, strand guide rollers 4 is supported and guided, wherein the two bearings 5 in the width direction of
  • Strand guide segments 1 are arranged. For clarity, only one half of the
  • the rod-shaped component 9 is designed as a bending rod 12, so that the bending rod in the movement of the Inner frame 2 relative to the outer frame 3 a
  • the bending rod 12 as a piston rod of a
  • Execute adjusting device in which case the first end of the adjusting device in the inner frame 2 and a second end of the adjusting device in the outer frame 3 is firmly clamped.
  • Fig. 5 shows a bottom view of the
  • Pressure medium cylinder 22 are executed and in the
  • Width direction of the casting strand in the left and right ends of the strand guide segment are arranged. For the sake of clarity again is only the one
  • Each adjusting device 8 has a first end 20, designed as a bending rod piston rod 23, and a second end 21, wherein the first end 20 via a bracket 6 in the inner frame 2 and the second end 21 in
  • Outer frame 3 is firmly clamped and the bending rod 23, the bending stress in the movement of the inner frame
  • FIG. 1 A front view of a strand guide segment 1 with a bearing 5 with torsion bar 19 is shown in FIG. As in FIG. 1, the casting strand enters the strand guide segment 1 from above in the casting direction 25, wherein the
  • Strand guide segment an outer frame 3, an inner frame 2, two bearings 5 for articulated connection of the outer frame with the inner frame and two not shown
  • Regulating devices 8 has. Each bearing 5 points at least one designed as a torsion bar 19 rod-shaped component, the first end 10 in
  • Fig. 7 shows a partially sectioned plan view of a strand guide segment 1 with two bearings 5 with Torsionsstab 19, wherein only the lower half of the strand guide segment is shown.
  • Press fit 27 connected to the inner frame 2, wherein a first end of the torsion bar 19 in the inner frame 2 and a second end of the torsion bar 19 in the outer frame 3 is firmly clamped.
  • the torsion bar 19 is designed so that it is the occurring torsional stress in the
  • Movement of the inner frame 2 relative to the outer frame 3 can accommodate.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Support Of The Bearing (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Metal Rolling (AREA)

Abstract

L'invention concerne un élément de guidage de barre (1) pour guider et étayer une barre métallique dans une machine de coulée continue, présentant un cadre intérieur (2), un cadre extérieur (3), où respectivement le cadre intérieur (2) et le cadre extérieur (3) présentent plusieurs galets de guidage de barre (4) pour guider et étayer la barre, au moins un palier (5) pour la connexion articulée du cadre intérieur (2) avec le cadre extérieur (3) et un dispositif d'ajustage (8) pour changer un écart entre le cadre intérieur (2) et le cadre extérieur (3), où le changement de l'écart s'effectue dans un sens transversal par rapport au sens de la coulée (25). Il est l'objectif de l'invention ou de réduire nettement le jeu mécanique entre le cadre intérieur (2) et le cadre extérieur (3) de l'élément de guidage de barre (1) transversalement par rapport à un sens de la coulée (25) de la barre ou d'établir une connexion totalement sans jeu entre le cadre intérieur (2) et le cadre extérieur (3). Cet objectif est atteint par un dispositif, pour lequel le palier (5) présente au moins un élément de construction en forme de barre (9), dont la première extrémité (10) est solidement encastrée dans le cadre intérieur (2) et la même chose pour la deuxième extrémité (11) dans le cadre extérieur (3), où l'élément de construction en forme de barre (9) absorbe le mouvement du cadre intérieur (2) par rapport au cadre extérieur (3). Par le serrage des deux côtés de l'élément de construction en forme de barre (9), c'est-à-dire le blocage des degrés de liberté pour les déplacements et torsions, le cadre intérieur (2) et le cadre extérieur (3) sont connectés entre eux sans jeu dans la zone du palier (5).
EP11700831.8A 2010-01-22 2011-01-12 Segment de guidage pour guider et supporter de barre métallique dans une installation de coulée continue Active EP2525928B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA85/2010A AT509351B1 (de) 2010-01-22 2010-01-22 Strangführungselement zum führen und stützen eines metallischen strangs in einer stranggiessmaschine
PCT/EP2011/050300 WO2011089045A1 (fr) 2010-01-22 2011-01-12 Élément de guidage de barre pour guider et étayer une barre métallique dans une machine de coulée continue

Publications (3)

Publication Number Publication Date
EP2525928A1 true EP2525928A1 (fr) 2012-11-28
EP2525928B1 EP2525928B1 (fr) 2014-12-17
EP2525928B2 EP2525928B2 (fr) 2022-06-15

Family

ID=43901418

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11700831.8A Active EP2525928B2 (fr) 2010-01-22 2011-01-12 Segment de guidage pour guider et supporter de barre métallique dans une installation de coulée continue

Country Status (4)

Country Link
EP (1) EP2525928B2 (fr)
CN (1) CN102712037B (fr)
AT (1) AT509351B1 (fr)
WO (1) WO2011089045A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101528074B1 (ko) * 2013-12-24 2015-06-10 주식회사 포스코 가이드 롤
CN104550800B (zh) * 2014-12-15 2016-09-21 中冶南方工程技术有限公司 一种板坯连铸弯曲段框架间隙调整装置
CN104607610A (zh) * 2015-01-28 2015-05-13 中国重型机械研究院股份公司 一种特厚板坯连铸机专用零号段设备

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
DE1965115C3 (de) * 1969-12-27 1975-06-12 Demag Ag, 4100 Duisburg Stützrollengerüst für Metall-, insbesondere Stahlstranggießanlagen
DE2942144A1 (de) † 1979-10-18 1981-04-30 Schloemann-Siemag AG, 4000 Düsseldorf Stuetzfuehrung in einer stranggiessanlage
AT367327B (de) * 1980-05-29 1982-06-25 Voest Alpine Ag Bogenstranggiessanlage
DE3303386A1 (de) † 1983-02-02 1984-08-09 SMS Schloemann-Siemag AG, 4000 Düsseldorf Stuetzfuehrung in einer stranggiessanlage
JP3008821B2 (ja) † 1994-07-29 2000-02-14 住友金属工業株式会社 薄鋳片の連続鋳造方法および装置
DE19511113A1 (de) * 1995-03-25 1996-09-26 Schloemann Siemag Ag Strangführung einer Stranggießanlage für Dünnbrammen
DE19520939C1 (de) * 1995-06-02 1996-07-25 Mannesmann Ag Verstelleinrichtung für Führungsrollen in Stranggießanlagen
CN2304489Y (zh) * 1997-08-15 1999-01-20 冶金工业部重庆钢铁设计研究院 连铸机扇形段开口度调节装置
DE19916173A1 (de) * 1999-04-10 2000-10-12 Sms Demag Ag Verfahren und Vorrichtung zum Einstellen des Brammenprofils einer stranggegossenen Bramme, insbesondere einer Dünnbramme
JP3355311B2 (ja) * 1999-04-21 2002-12-09 住友重機械工業株式会社 薄スラブ鋳片の連続鋳造方法および連続鋳造機
DE19928196A1 (de) * 1999-06-19 2000-12-21 Sms Demag Ag Vorrichtung zum Einstellen von Führungssegmenten einer Stranggieß- bzw. Gießwalzanlage
CN1140364C (zh) * 1999-11-25 2004-03-03 宝山钢铁股份有限公司 连铸机可分式扇形段
JP2001287000A (ja) * 2000-04-03 2001-10-16 Sumitomo Metal Ind Ltd 連続鋳造装置のローラーエプロンセグメント

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Also Published As

Publication number Publication date
EP2525928B2 (fr) 2022-06-15
AT509351B1 (de) 2013-11-15
CN102712037A (zh) 2012-10-03
EP2525928B1 (fr) 2014-12-17
CN102712037B (zh) 2015-05-06
WO2011089045A1 (fr) 2011-07-28
AT509351A1 (de) 2011-08-15

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