EP1507606B1 - Procede et dispositif pour changer des paires de cylindres de travail ou des paires de cylindres d'appui dans des cages de laminoir - Google Patents

Procede et dispositif pour changer des paires de cylindres de travail ou des paires de cylindres d'appui dans des cages de laminoir Download PDF

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Publication number
EP1507606B1
EP1507606B1 EP03722506A EP03722506A EP1507606B1 EP 1507606 B1 EP1507606 B1 EP 1507606B1 EP 03722506 A EP03722506 A EP 03722506A EP 03722506 A EP03722506 A EP 03722506A EP 1507606 B1 EP1507606 B1 EP 1507606B1
Authority
EP
European Patent Office
Prior art keywords
roll
rolls
backing
working
pairs
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
EP03722506A
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German (de)
English (en)
Other versions
EP1507606A1 (fr
Inventor
Andreas Berendes
Armin Klapdor
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
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 SMS Demag AG filed Critical SMS Demag AG
Publication of EP1507606A1 publication Critical patent/EP1507606A1/fr
Application granted granted Critical
Publication of EP1507606B1 publication Critical patent/EP1507606B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
    • B21B31/103—Manipulators or carriages therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B2013/025—Quarto, four-high stands

Definitions

  • the invention relates to a method and a device for changing pairs of work rolls and / or pairs of support rolls on rolling stands, in which perpendicular to the rolling direction for guided in support levels chocks a Geradschubantrieb that moves stored in the chocks pair of work rolls for removal or installation, and by a Geradschubantrieb the support roller pair supported on a roll-changing chair is extended or retracted (see JP-A-55036063, Figs. 3-5).
  • the invention has for its object to save time by an altered method when changing the roll and at the same time to create the basis by a cheaper device for this.
  • the pair of work rolls are extended and uncoupled after coupling to the Geradschubantrieb that then coupled the same Geradschubantrieb to a retracted between the support rollers roll change chair and after supporting the roll change chair and the upper support roller on the Lower support roller extended as a unit or retracted.
  • This single piston-cylinder drive can also be further advantageously used to the effect that the roll changing chair is pushed out of the rolling stand from the drive side of the roll stand by the Geradschubantrieb with dismantled work rolls or pulled into the rolling mill.
  • the advantage is therefore both in a procedural as well as in a device-technical nature.
  • the device for the change of pairs of work rolls and / or pairs of support rollers on rolling stands provides support rollers and work rolls in each case in raised and lowered chocks in the stator frame ahead, so that the pair of work rolls, stored in the chocks, by means of a Geradschubantriebs is extendable and the support roller pair means a supported on a guideway and wheels lower support roller and a supported on this roll changing chair with supported upper support roller or retractable.
  • the device according to the invention is designed to the effect that the pair of work rolls on the drive side of the rolling stand with a dimensioned for the expansion or installation path in the stroke length hydraulic piston-cylinder drive disengageable and disengaged in the Ausfahrabstand and that at an altitude between the Back-up rollers retracted roll changing chair can be coupled to the same piston-cylinder drive and after supporting the upper support roller and the roll changing chair on the lower support roller, the support roller pair is retractable or retractable.
  • time is saved when changing the roll and the cost of device parts is significantly reduced. It is e.g. only a hydraulic piston-cylinder drive or working on another basis Geradschubantrieb required.
  • connection arms form simple means to bridge a path section and to create a joint.
  • the Ausschiebewagen takes about the width of the mill, so the piston-cylinder drive is only to be interpreted for the pure displacement. This advantage means that the piston-cylinder drive is arranged on the drive side of the roll stand and is articulated with its piston rod on Ausschiebewagen.
  • connection can be quickly created or solved by each pliers heads are arranged on the connection arms of the Ausschiebewagens, which correspond to the roll ends of the work rolls.
  • the power supply system of the mill stand can be exploited by the pliers heads are each hydraulically or electrically actuated.
  • the roll changing chair by means of existing hydraulic devices in the rolling stand on the lower support roller can be lowered or raised.
  • the upper back-up roll may be hydraulically lowered or raised onto the roll-changing chair.
  • a further advantage is that the set of rollers from the two support rollers by means of the Ausschiebewagens from the rolling stand extendable and is interchangeable with a new set of rollers.
  • a quarto stand (Figs. 1, 1A, 2, 2A) having a pair of work rolls 2, an upper work roll 2a and a lower work roll 2b, and a backup roll pair 3 having an upper backup roll 3a and a lower backup roll 3b.
  • the work rolls 2 a, 2 b and the backup rolls 3 a, 3 b are each rotatably mounted in chocks 4 and the chocks 4 are guided in the stator frame 5.
  • the work rolls 2a, 2b which are held at a distance by means of hydraulic devices 6, can be extended or retracted by means of a straight-slide drive 7, which acts on the roll ends 8.
  • the invention (Fig. 1A) is carried out such that the Ar beitswalzencru 2 on the drive side 12 of the roll stand 1 is coupled with a dimensioned for the expansion or the installation path 13 in the stroke length hydraulic piston-cylinder drive 7a and in Ausfahrabstand 14 is disengaged.
  • the altitude 15 between the support rollers 3a, 3b (Fig. 2, 2A) of the roll changing chair 11 is indirectly coupled to the same piston-cylinder drive 7a after supporting the upper support roller 3a on the roll changing chair 11 and this, on the chocks 4 of lower support roller 3b propped up, extended by means of the piston-cylinder drive 7a as a whole unit 3a, 11, 3b and retracted after replacement with a new pair of backup rollers 3 again.
  • the piston-cylinder drive 7a is articulated to a Ausschiebewagen 16 with its piston rod 7b, wherein the Ausschiebewagen 16 carries the roll ends 8 associated terminal arms 17a, 17b, which form a hollow angle between them.
  • each pliers heads 18 are arranged at the connection arms 17a, 17b of the Ausschiebewagens 16 .
  • the pliers heads 18 are hydraulically or electrically actuated.
  • each form pieces 19 are provided on the roll changing chair 11, which also cooperate with the pliers heads 18.
  • the pliers heads 18 are hydraulically actuated together with other adjusting means in the roll stand.
  • the roll changing chair 11 can be lowered by means of hydraulic devices 6 in the rolling stand 1 on the lower support roller 3b.
  • the upper back-up roll 3a is accordingly received by the roll-changing chair 11.
  • the set of rollers consisting of the two support rollers 3a, 3b and the Walzen caturgiuht 11 (Fig. 2, 2A) can be extended via the Ausschiebewagen 16 and replaced with a new set of rollers.
  • the procedure for roll change depends in a first step on the fact that the pair of work rolls 2a, 2b extended after coupling to the Geradschubantrieb 7 and is decoupled again.
  • a second step then the same Geradschubantrieb 7 is coupled to the retracted between the support rollers 3a, 3b roll changing chair 11 and after supporting the roll changing chair 11 and the upper support roller 3a on the lower support roller 3b, the unit is extended or retracted after replacing a new unit.
  • the roll changing chair 11 is pushed out of the rolling stand 1 from the drive side 12 of the roll stand 1 by the Geradschubantrieb 7 with removed work rolls 2a, 2b or drawn into the roll stand 1 (Fig. 2, 2A).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Metal Rolling (AREA)
  • Crushing And Grinding (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
  • Paper (AREA)
  • Actuator (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Accessories And Tools For Shearing Machines (AREA)

Claims (11)

  1. Procédé pour changer des paires de cylindres de travail (2) et/ou des paires de cylindres d'appui (3) dans des cages de laminoir, dans lequel, pour les inserts guidés dans des plans d'appui, un entraînement à déplacement rectiligne fait déplacer perpendiculairement à la direction de laminage la paire de cylindres de travail (2) montés dans les inserts, en vue du démontage ou du montage, et la paire de cylindres d'appui (3) soutenus par une chaise de changement de cylindres est déployée ou rétractée par un entraînement à déplacement rectiligne,
    caractérisé en ce que
    après accouplement à l'entraînement à déplacement rectiligne, la paire de cylindres de travail (2) est déployée et désaccouplée, ensuite le même entraînement à déplacement rectiligne est accouplé à une chaise de changement de cylindres (11) rétractée entre les cylindres d'appui et, après mise en appui de la chaise de changement de cylindres et du cylindre d'appui supérieur (3a) sur le cylindre d'appui inférieur (3b), elle est déployée ou de nouveau rétractée en formant une unité.
  2. Procédé selon la revendication 1, caractérisé en ce que la chaise de changement de cylindres est extraite hors de la cage de laminoir ou tirée dans la cage de laminoir par l'entraînement à déplacement rectiligne depuis le côté entraînement de la cage de laminoir, les cylindres de travail étant démontés.
  3. Dispositif pour changer des paires de cylindres de travail (2) et/ou des paires de cylindres d'appui (3) dans des cages de laminoir, dans lequel les cylindres d'appui et les cylindres de travail sont guidés chacun dans des inserts susceptibles d'être levés ou abaissés dans le cadre de montants, la paire de cylindres de travail est susceptible d'être déployée au moyen de l'entraînement à déplacement rectiligne en étant supportée sur les inserts, et la paire de cylindres d'appui est susceptible d'être déployée ou rétractée au moyen d'un cylindre d'appui inférieur supporté sur une voie de guidage et sur des roulettes et d'une chaise de changement de cylindres (11) supportée sur celui-ci, le cylindre d'appui supérieur étant en appui,
    caractérisé en ce que
    sur le côté entraînement (12) de la cage de laminoir (1), la paire de cylindres de travail (2) est susceptible d'être accouplée à un entraînement à piston-et-cylindre (7a) hydraulique dont la longueur de course est dimensionnée en fonction du trajet de démontage ou de montage (13) et d'être désaccouplée à la distance de déploiement (14), et en ce qu'une chaise de changement de cylindres (11) rétractée au niveau de hauteur (15) entre les cylindres d'appui (3a, 3b) est susceptible d'être accouplée au même entraînement à piston-et-cylindre (7a), et après mise en appui du cylindre d'appui supérieur (3a) et de la chaise de changement de cylindres (11) sur le cylindre d'appui inférieur (3b), la paire de cylindres d'appui (3) est susceptible d'être déployée ou de nouveau rétractée.
  4. Dispositif selon la revendication 3, caractérisé en ce que l'entraînement à piston-et-cylindre (7a) est articulé sur un chariot d'extraction (16) qui comprend des bras de raccordement (17a, 17b) orientés vers les extrémités de cylindre (8).
  5. Dispositif selon la revendication 4, caractérisé en ce que l'entraînement à piston-et-cylindre (7a) est agencé sur le côté entraînement (12) de la cage de laminoir (1) et est articulé par sa tige de piston (7b) sur le chariot d'extraction (16).
  6. Dispositif selon la revendication 4, caractérisé en ce que des têtes de pince respectives (18) sont agencées sur les bras de raccordement (17a, 17b) du chariot d'extraction (16), têtes qui correspondent avec les extrémités (8) des cylindres de travail (2a, 2b).
  7. Dispositif selon l'une ou l'autre des revendications 4 et 5, caractérisé en ce qu'il est prévu des éléments conformés respectifs (19) sur la chaise de changement de cylindres associés aux bras de raccordement (1 7a, 17b).
  8. Dispositif selon l'une ou l'autre des revendications 6 et 7, caractérisé en ce que les têtes de pince (18) sont susceptibles d'être actionnées chacune par voie hydraulique ou électrique.
  9. Dispositif selon l'une des revendications 3 à 8, caractérisé en ce que la chaise de changement de cylindres (11) est susceptible d'être abaissée sur le cylindre d'appui inférieur (3b) ou d'être soulevée au moyen de dispositifs hydrauliques (6) existant dans la cage de laminoir (1).
  10. Dispositif selon l'une des revendications 3 à 9, caractérisé en ce que le cylindre d'appui supérieur (3a) est susceptible d'être abaissé sur la chaise de changement de cylindres (11) ou d'être soulevé par voie hydraulique.
  11. Dispositif selon l'une des revendications 4 à 10, caractérisé en ce que le lot de cylindres des deux cylindres d'appui (3a, 3b) est susceptible d'être déployé hors de la cage de laminoir (1) au moyen du chariot d'extraction (16) et d'être remplacé par un nouveau lot de cylindres.
EP03722506A 2002-05-24 2003-04-17 Procede et dispositif pour changer des paires de cylindres de travail ou des paires de cylindres d'appui dans des cages de laminoir Expired - Lifetime EP1507606B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10223000 2002-05-24
DE10223000A DE10223000A1 (de) 2002-05-24 2002-05-24 Verfahren und Vorrichtung zum Wechseln von Arbeitswalzenpaaren und/oder Stützwalzenpaaren an Walzgerüsten
PCT/EP2003/004049 WO2003099479A1 (fr) 2002-05-24 2003-04-17 Procede et dispositif pour changer des paires de cylindres de travail ou des paires de cylindres d'appui dans des cages de laminoir

Publications (2)

Publication Number Publication Date
EP1507606A1 EP1507606A1 (fr) 2005-02-23
EP1507606B1 true EP1507606B1 (fr) 2006-01-18

Family

ID=29414106

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03722506A Expired - Lifetime EP1507606B1 (fr) 2002-05-24 2003-04-17 Procede et dispositif pour changer des paires de cylindres de travail ou des paires de cylindres d'appui dans des cages de laminoir

Country Status (14)

Country Link
US (1) US7165432B2 (fr)
EP (1) EP1507606B1 (fr)
JP (1) JP2005533654A (fr)
KR (1) KR100979424B1 (fr)
CN (1) CN100341636C (fr)
AT (1) ATE315968T1 (fr)
AU (1) AU2003229696A1 (fr)
BR (1) BR0307999B1 (fr)
CA (1) CA2484764C (fr)
DE (2) DE10223000A1 (fr)
RU (1) RU2311242C2 (fr)
TW (1) TWI283608B (fr)
WO (1) WO2003099479A1 (fr)
ZA (1) ZA200406534B (fr)

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FR2895689B1 (fr) † 2006-01-04 2008-02-22 Vai Clecim Soc Par Actions Sim Procede de remplacement rapide des cylindres et installation de laminage associee
ATE428515T1 (de) * 2006-01-09 2009-05-15 Sms Demag Ag Verfahren und einrichtung zum wechseln von walzen
RU2352411C2 (ru) * 2006-11-14 2009-04-20 Открытое акционерное общество "Электростальский завод тяжелого машиностроения" Способ перевалки двухвалковой клети винтовой прокатки со станиной закрытого типа
RU2367532C1 (ru) * 2008-01-21 2009-09-20 Открытое акционерное общество "Электростальский завод тяжелого машиностроения" Способ перевалки трехвалковых клетей многоклетевого стана продольной прокатки и многоклетевой стан продольной прокатки
DE102010014346A1 (de) 2010-04-09 2011-10-13 Sms Siemag Ag Verfahren zum fliegenden Arbeitswalzenwechsel in Gießwalzanlagen und Warmbandstraßen
CN102463262A (zh) * 2010-11-10 2012-05-23 上海重型机器厂有限公司 平整机工作辊换辊小车
CN102441575B (zh) * 2011-10-26 2014-01-29 太原重工股份有限公司 一种周期轧管机换轧辊装置
CN102921737A (zh) * 2012-11-26 2013-02-13 青岛润丰铝箔有限公司 一种铝箔轧机工作辊轴承箱拆装设备
CN103286540B (zh) * 2013-05-27 2015-06-24 中色科技股份有限公司 一种轧机上压下油缸的拆卸方法
FR3048899B1 (fr) * 2016-03-17 2019-05-31 Fives Dms Laminoir pour bande metallique
FR3050128B1 (fr) * 2016-04-18 2018-09-07 Fives Dms Procede de changement des cylindres d'un laminoir
IT201700032906A1 (it) * 2017-03-24 2018-09-24 Danieli Off Mecc Apparato e metodo di cambio di unita' di guida in una macchina di colata continua
RU2735644C1 (ru) * 2017-06-16 2020-11-05 Прайметалз Текнолоджиз Джапан, Лтд. Устройство для смены валков
CN109550788B (zh) * 2017-09-25 2020-07-28 宝山钢铁股份有限公司 一种轧机换辊装置以及换辊轨道对中的方法
DE202018003699U1 (de) 2018-08-09 2019-11-14 Sms Group Gmbh Vorrichtung zum Wechseln von Stützwalzen an einem Walzgerüst
EP3766595A1 (fr) 2019-07-17 2021-01-20 Primetals Technologies Austria GmbH Laminage à froid du produit à laminer
RU2721339C1 (ru) * 2019-07-29 2020-05-19 Открытое акционерное общество "Электростальский завод тяжелого машиностроения" Многоклетевой стан продольной прокатки
CN112756400B (zh) * 2021-01-19 2024-07-26 中冶京诚工程技术有限公司 四辊轧机换辊装置
CN113684661B (zh) * 2021-08-29 2022-12-23 江西艾酷玩具有限公司 纺织用环保去绒机
CN114273147A (zh) * 2021-12-28 2022-04-05 江苏大力神科技股份有限公司 一种涂层机旋转换辊装置
CN116371927A (zh) * 2023-02-23 2023-07-04 宝钢湛江钢铁有限公司 一种全自动轧机换辊加标定的工作方法
CN119406929B (zh) * 2024-11-19 2025-10-28 湖南钢铁集团技术研究院有限公司 轧辊更换方法、装置、计算机设备、可读存储介质和程序产品

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Also Published As

Publication number Publication date
AU2003229696A1 (en) 2003-12-12
CN1655886A (zh) 2005-08-17
KR20040105848A (ko) 2004-12-16
ZA200406534B (en) 2005-06-14
RU2004137814A (ru) 2005-06-10
TWI283608B (en) 2007-07-11
US7165432B2 (en) 2007-01-23
US20050138982A1 (en) 2005-06-30
ATE315968T1 (de) 2006-02-15
JP2005533654A (ja) 2005-11-10
CA2484764C (fr) 2010-10-19
CN100341636C (zh) 2007-10-10
DE10223000A1 (de) 2003-12-04
BR0307999B1 (pt) 2011-11-16
RU2311242C2 (ru) 2007-11-27
DE50302241D1 (de) 2006-04-06
KR100979424B1 (ko) 2010-09-02
CA2484764A1 (fr) 2003-12-04
TW200306894A (en) 2003-12-01
BR0307999A (pt) 2005-02-09
WO2003099479A1 (fr) 2003-12-04
EP1507606A1 (fr) 2005-02-23

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