EP2531315B1 - Strangführungssegment in kassettenbauweise mit einzelrollenanstellung - Google Patents

Strangführungssegment in kassettenbauweise mit einzelrollenanstellung Download PDF

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Publication number
EP2531315B1
EP2531315B1 EP11701049.6A EP11701049A EP2531315B1 EP 2531315 B1 EP2531315 B1 EP 2531315B1 EP 11701049 A EP11701049 A EP 11701049A EP 2531315 B1 EP2531315 B1 EP 2531315B1
Authority
EP
European Patent Office
Prior art keywords
strand guide
roller
strand
segment according
guide segment
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.)
Active
Application number
EP11701049.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2531315A1 (de
Inventor
Josef Guttenbrunner
Günter Ziegler
Franz Ramstorfer
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 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
Application filed by Siemens VAI Metals Technologies GmbH Austria filed Critical Siemens VAI Metals Technologies GmbH Austria
Publication of EP2531315A1 publication Critical patent/EP2531315A1/de
Application granted granted Critical
Publication of EP2531315B1 publication Critical patent/EP2531315B1/de
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Anticipated expiration legal-status Critical

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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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • 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
    • B22D11/1226—Accessories for subsequent treating or working cast stock in situ for straightening 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
    • 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
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B22D11/1285—Segment changing devices for supporting or guiding frames
    • 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
    • B22D11/14—Plants for continuous casting

Definitions

  • the present invention relates to a strand guide segment for supporting and guiding a metal strand having a slab cross section in a strand guide of a continuous casting machine.
  • the invention relates to a strand guide segment for supporting and guiding a metal strand of slab cross-section in a strand guide of a continuous casting machine, comprising a top frame and a bottom frame, the top frame being detachably connected to the bottom frame; wherein a plurality of strand guide rollers are respectively connected to the upper frame and the lower frame; and wherein in the casting at least two immediately successively arranged individually displaceable strand guide rollers are individually adjustable against the strand.
  • a strand guide segment with single role employment known in which at least two successive pairs of strand guide rollers individually, ie independently, against the strand are adjustable.
  • two adjusting devices are connected on the one hand to the subframe and on the other hand to the upper frame, so that when disassembling a displaceable strand guide roller, the adjusting manually released from the upper frame and then the upper frame must be solved by the subframe.
  • the release of the upper frame from the subframe is also an unmovable when disassembling Strand guide roller necessary. Due to the limited space in the strand guide a continuous casting so changing a single strand guide roller in the installed state of the strand guide segment is not possible, which adversely affects the maintainability of the segment and the maintenance costs.
  • the object of the invention is to provide a strand guide segment of the type mentioned, in which it is possible in the installed state of the segment to change at least one, preferably each, individually displaceable strand guide roller of the strand guide segment separately. This improves the serviceability of the strand guide segment.
  • each individually displaceable strand guide roller a roller carrier, at least one adjusting device for moving the roller carrier in a Anstellraum transverse to the casting direction and exactly one transverse to the casting direction arranged crosshead are assigned, the crosshead detachably connected to the upper frame or the Subframe is connected, which is connected to the individually displaceable strand guide roller, wherein the adjusting device hinged on the one hand on the crosshead and on the other hand on the roller carrier and the individually displaceable strand guide roller is rotatably supported on the roller carrier.
  • each individually displaceable strand guide roller is assigned a roller carrier, at least one adjustment device and exactly one crosshead arranged transversely to the casting direction, so that these components can be fed or removed in a modular manner to the strand guide segment during assembly or disassembly.
  • the crosshead itself is detachably connected to the frame, specifically the upper or lower frame, which is connected to the individually displaceable strand guide roller.
  • This construction allows a very simple and quick installation and removal of an individually displaceable strand guide roller including the Anstell Roaden, since concretely only the crosshead detached from the frame and then the crosshead with the adjustment, the roller carrier and the strand guide roller itself must be removed from the frame in such a way that a displaceable strand guide roll can be mounted or removed in the strand guide even when the segment is installed.
  • all sheet guide rollers of the subframe (also referred to as outer frames) of the fixed side i.e. these strand guide rollers are designed as non-displaceable strand guide rollers
  • all the strand guide rollers of the upper frame (also referred to as inner frame) of the lot side i.
  • These strand guide rollers are designed as individually displaceable strand guide rollers assigned.
  • an individually displaceable strand guide roller in Anstellraum opposite another individually displaceable strand guide roller typically, all the strand guide rollers of the upper frame and all the strand guide rollers of the subframe are each associated with a loose side, and thus all the strand guide rollers are designed as individually displaceable strand guide rollers are.
  • This embodiment is structurally complex, but allows for the individual removal of all strand guide rollers.
  • a further advantage of this embodiment is that all strand guide rollers are individually adjustable to the strand, so that for example the over-rotation of the lateral surface of one or more strand guide rollers with a concomitant reduction in diameter can be easily compensated.
  • opposite means that two opposing strand guide rollers have an offset in the thickness direction of the strand to each other, wherein the strand guide rollers may optionally also have an axial offset in the casting direction.
  • the upper or lower frame which is connected to the individually displaceable strand guide roller, formed of two lateral support frame and one crosshead per strand guide roller, wherein the lateral support frame per individually displaceable strand guide roller longitudinal guide means, preferably a longitudinal slot having, in the Anstellraum runs.
  • the roller carrier is plate-shaped, wherein the roller carrier is guided via guide elements in the longitudinal guide devices, preferably the longitudinal slots, the lateral support frame. This ensures a simple guidance of the roller carrier and subsequently the strand guide roller, which has a positive effect on the guidance accuracy of the strand guide roller.
  • a strand guide roll is supported on a plurality of bearings, e.g. on the roller carrier or on the subframe, from, so that even high support or Anstell concept can be transferred from the role with only slight deflection.
  • each adjustment device is assigned to each roller carrier, each adjustment device being articulated to the roller carrier within the two outermost bearings in the direction of the longitudinal extent of the displaceable strand guide roller.
  • the two adjusting devices are articulated in the direction of the longitudinal extent of the displaceable strand guide roller outside the two outermost bearing on the roller carrier.
  • each roller carrier is assigned an adjusting device which is arranged centrally on the roller carrier.
  • a crosshead is connected by means of one, preferably hydraulically actuated, clamping device with a lateral support frame, whereby the time required for changing a crosshead can be reduced.
  • a clamping device is associated with an automatic media supply, which is automatically connected in the connection of the crosshead with the or the lateral support frame, whereby an automated (ie without manual intervention) connecting or disconnecting the media supply lines is possible, so that the Time requirement for changing a crosshead is further reduced.
  • an adjusting device is designed as a pressure medium cylinder.
  • an adjustment device is associated with a displacement measuring device for measuring the setting position and / or a force measuring device for measuring the setting force.
  • the force measuring device is designed as a device for measuring at least one hydraulic chamber pressure of a pressure medium cylinder.
  • a highly accurate achievement of a required contact force or a required strand thickness is possible when a control device with a force measuring device, a Wegemess worn (preferably integrated into a hydraulic cylinder) and an adjusting device (preferably a hydraulic proportional or servo valve), for example, to compensate for a deflection of the crosshead as a result of the adjusting force of the adjusting device is connected. It is determined by means of the determined by the force measuring device Anstellkraft converted to the deflection of the crosshead and / or other components, so that the deflection of the crosshead and / or other components can be compensated by a correction of the setpoint for the adjustment by means of the control device.
  • a roller carrier is assigned at least one stop for calibrating a displacement measuring device. This makes it possible to calibrate the module consisting of crosshead, adjustment, roller carrier and strand guide roller before installation in the strand guide segment, so that the module - if the adjustment once against the stop - fully calibrated to fully functional is thus available.
  • the strand guide segment according to the invention in a continuous casting plant with an arcuate or horizontal strand guide for producing a strand, preferably of slab or thin slab cross section, made of steel.
  • a strand preferably of slab or thin slab cross section, made of steel.
  • the invention can also be used in vertical systems or in bloom systems.
  • the subframe 4 is connected by means of lateral connecting columns 25 with the upper frame 3, wherein the upper frame 3 is formed of two lateral support frame 12 and one crosshead 11 per displaceable strand guide roller 6.
  • Each displaceable strand guide roller 6 is a module, comprising a plate-shaped roller carrier 8, two designed as pressure medium cylinder 17 adjusting 9 for moving the roller carrier 8 in the Anstellraum 10 transverse to the casting 2 and a crosshead 11, associated with the crosshead 11 by means of the clamping devices 16, which can be hydraulically biased, releasably connected to the lateral support frame 12.
  • Each displaceable strand guide roller 6 is rotatably supported by means of four bearings 15 on the roller carrier 8, so that high contact forces with only small deflections in the roller carrier and subsequently in the upper frame 3 can be initiated.
  • the pressure cylinder 17 is articulated on the one hand articulated on the crosshead 11 and on the other hand articulated on the roller carrier 8, wherein each pressure cylinder 17 is articulated in the direction of the longitudinal extent of the displaceable strand guide roller 6 within the two outermost bearing 15 to the roller carrier 8.
  • each roller carrier 8 is assigned a stop 22, it is furthermore possible to remove the module even when it has been removed, ie outside the strand guide segment, to calibrate, wherein a pressure medium cylinder 17 associated displacement measuring device after starting a reference position (eg, when driven against the stop 22 or the crosshead 11) is completely calibrated available. Alternatively, the calibration can also take place outside the strand guide segment.
  • an automatic media supply 24 is assigned to a plurality of tensioning devices 16, so that when the crosshead 11 is connected to a lateral support frame 12, the media supply lines, for example for hydraulic, coolant and / or compressed air lines, are simultaneously connected.
  • Each plate-shaped roller carrier 11 is guided by means of at least one guide element 14 in a longitudinal guide device designed as a longitudinal slot 13 per side support frame 12, whereby a high guiding accuracy and rigidity is given.
  • Fig. 2 is an elevation of the strand guide segment 1 after Fig. 1 shown, wherein the cooling nozzles 23, designed as water or as water-air nozzles, were also shown with.
  • Fig. 3 represents an embodiment of the strand guide segment 1 according to the invention, wherein all the strand guide rollers 5, ie both the strand guide rollers connected to the upper frame 3 and those connected to the lower frame 4, are designed as individually displaceable strand guide rollers 6.
  • the upper frame 3 is detachably connected by means of a plurality of laterally arranged, connecting columns 25 to the lower frame 4, wherein each of the upper and lower frame of two lateral support frame 12 and one crosshead per strand guide roller 6 is formed.
  • each of the upper and lower frame of two lateral support frame 12 and one crosshead per strand guide roller 6 is formed.
  • this embodiment has the advantage that all strand guide rollers can be adjusted individually to the strand, so that, for example, if a single strand guide role was over-revved in the course of maintenance to a smaller roll diameter, this diameter reduction in a simple manner by changing the target position of the adjustment. 9 can be compensated.
  • a section of a strand guide segment 1 with a control device 18 is shown.
  • the control device 18 is connected to a displacement measuring device 20 and a force measuring device 19 designed as a pressure medium cylinder 17 adjusting 9, wherein by means of the control device 18, the deflection of the crosshead 11 is compensated as a result of the adjusting force of the adjusting device 9.
  • the force measuring device 19 provides an actual value of the contact force F actual , which by means of a mechanical model, which is integrated into the control device 18, to a deflection of the crosshead 11 and optionally other components (such as the roller carrier 8, the lateral support frame 12, the connection columns 25) ⁇ s is converted.
  • u is determined in consideration of a control law is a control value that is supplied to the actuating means 21 configured as a hydraulic valve so that the value s is the value of s corresponds as closely as possible ,

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Forwarding And Storing Of Filamentary Material (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
EP11701049.6A 2010-02-05 2011-01-17 Strangführungssegment in kassettenbauweise mit einzelrollenanstellung Active EP2531315B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT1622010A AT509352B1 (de) 2010-02-05 2010-02-05 Strangführungssegment in kassettenbauweise mit einzelrollenanstellung
PCT/EP2011/050498 WO2011095383A1 (de) 2010-02-05 2011-01-17 Strangführungssegment in kassettenbauweise mit einzelrollenanstellung

Publications (2)

Publication Number Publication Date
EP2531315A1 EP2531315A1 (de) 2012-12-12
EP2531315B1 true EP2531315B1 (de) 2014-12-17

Family

ID=43770511

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11701049.6A Active EP2531315B1 (de) 2010-02-05 2011-01-17 Strangführungssegment in kassettenbauweise mit einzelrollenanstellung

Country Status (9)

Country Link
EP (1) EP2531315B1 (zh)
KR (1) KR101786029B1 (zh)
CN (1) CN102834202B (zh)
AT (1) AT509352B1 (zh)
BR (1) BR112012019155B1 (zh)
RU (1) RU2511414C1 (zh)
TW (1) TWI472387B (zh)
UA (1) UA106409C2 (zh)
WO (1) WO2011095383A1 (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE102014202995A1 (de) 2013-09-16 2015-03-19 Sms Siemag Ag Rahmen für ein Strangführungssegment
KR101496164B1 (ko) * 2013-12-13 2015-02-27 주식회사 포스코 연속주조기의 세그먼트용 클램핑장치 및 이를 갖춘 연속주조기
AT516412B1 (de) * 2014-10-28 2017-07-15 Primetals Technologies Austria GmbH Strangführungsrolleneinheit für eine Stranggießmaschine
RU168547U1 (ru) * 2016-02-25 2017-02-08 Акционерное общество "Машиностроительный концерн ОРМЕТО-ЮУМЗ" Роликовый блок для комбинированной МНЛЗ
AT521416B1 (de) * 2018-07-02 2024-01-15 Primetals Technologies Austria GmbH Strangführungssegment mit individuell verschiebbaren Strangführungsrollen
CN108788041B (zh) * 2018-07-03 2020-01-03 东北大学 一种连铸凝固末端重压下用扇形段辊列结构及使用方法
KR102209566B1 (ko) * 2018-09-21 2021-01-28 주식회사 포스코 연속 주조 설비
AT521727A1 (de) * 2018-09-25 2020-04-15 Primetals Technologies Austria GmbH Rollenbock mit elastischen Stützrollen

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DE2503494C2 (de) * 1975-01-29 1984-02-09 SMS Schloemann-Siemag AG, 4000 Düsseldorf Strangführungsgerüst in einer Stranggießanlage
AT337386B (de) * 1975-09-03 1977-06-27 Voest Ag Rollengerust fur stranggiessanlagen
GB1584625A (en) 1976-07-16 1981-02-18 Concast Ag Roller guide frame for an installation for the continous casting of steel
DE3034444A1 (de) * 1980-09-12 1982-04-22 Schloemann-Siemag AG, 4000 Düsseldorf Richttreiber in einer stahlstranggiessanlage
JPH09220654A (ja) * 1996-02-15 1997-08-26 Kawasaki Steel Corp 連続鋳造機のローラエプロン
DE19745056A1 (de) * 1997-10-11 1999-04-15 Schloemann Siemag Ag Verfahren und Anlage zur Erzeugung von Brammen in einer Stranggießanlage
AT3953U3 (de) * 2000-06-02 2001-04-25 Voest Alpine Ind Anlagen Strangführungselement und strangführungssegment mit integriertem strangführungselement
DE10040271A1 (de) * 2000-08-17 2002-02-28 Sms Demag Ag Vorrichtung zum Stranggießen von Metallen, insbesondere von Stahl
DE10062868A1 (de) * 2000-12-16 2002-06-20 Sms Demag Ag Verfahren zum Giessen und unmittelbar anschliessendem Walzen und eine Vorrichtung zur Stützung, Führung und Verformung eines Metall-, insbesondere eines Stahlstranges
AT414221B (de) * 2004-06-09 2006-10-15 Voest Alpine Ind Anlagen Stranggiessanlage und verfahren zum wahlweisen giessen eines breiten metallstranges oder maximal zweier demgegenüber schmälerer metallstränge
DE102004048618A1 (de) * 2004-10-06 2006-04-13 Sms Demag Ag Verfahren und Rollensegment zum Bestimmen der Kernerstarrung und/oder der Sumpfspitze beim Stranggießen von Metallen, insbesondere von Stahlwerkstoffen
DE102006005635A1 (de) * 2006-02-08 2007-08-09 Sms Demag Ag Rollenherdofen zum Aufheizen und/oder Temperaturausgleichen von Stranggiessprodukten aus Stahl oder Stahllegierung und dessen Anordnung vor einer Warmband-Fertigwalzstrasse
AT506549B1 (de) * 2008-03-28 2011-06-15 Siemens Vai Metals Tech Gmbh Strangführungssegment
AT506824B1 (de) * 2008-05-26 2013-01-15 Siemens Vai Metals Tech Gmbh Mehrstrang-stranggiessanlage

Also Published As

Publication number Publication date
TWI472387B (zh) 2015-02-11
UA106409C2 (ru) 2014-08-26
AT509352A1 (de) 2011-08-15
AT509352B1 (de) 2014-06-15
TW201143935A (en) 2011-12-16
BR112012019155B1 (pt) 2018-07-17
KR101786029B1 (ko) 2017-10-17
RU2012137782A (ru) 2014-03-10
KR20120112868A (ko) 2012-10-11
CN102834202A (zh) 2012-12-19
WO2011095383A1 (de) 2011-08-11
CN102834202B (zh) 2015-06-03
RU2511414C1 (ru) 2014-04-10
BR112012019155A2 (pt) 2016-10-04
EP2531315A1 (de) 2012-12-12

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