EP1005924A2 - Procédé et dispositif pour remplacer les cylindres de cages de laminoir de dimensions différentes - Google Patents

Procédé et dispositif pour remplacer les cylindres de cages de laminoir de dimensions différentes Download PDF

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Publication number
EP1005924A2
EP1005924A2 EP99123801A EP99123801A EP1005924A2 EP 1005924 A2 EP1005924 A2 EP 1005924A2 EP 99123801 A EP99123801 A EP 99123801A EP 99123801 A EP99123801 A EP 99123801A EP 1005924 A2 EP1005924 A2 EP 1005924A2
Authority
EP
European Patent Office
Prior art keywords
rollers
roll
receiving
rolls
transport
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.)
Withdrawn
Application number
EP99123801A
Other languages
German (de)
English (en)
Other versions
EP1005924A3 (fr
Inventor
Gunter Hörold
Christian Dr. Steglich
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.)
SKET Walzwerkstechnik GmbH
Original Assignee
SKET Walzwerkstechnik GmbH
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 SKET Walzwerkstechnik GmbH filed Critical SKET Walzwerkstechnik GmbH
Publication of EP1005924A2 publication Critical patent/EP1005924A2/fr
Publication of EP1005924A3 publication Critical patent/EP1005924A3/fr
Withdrawn legal-status Critical Current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

Definitions

  • the invention relates to a method and a device for changing the Rolling mill stands of various sizes, the roll installation of the Roll stand, consisting essentially of connecting elements connected chocks and the rollers stored in them, under Removed using a conveyor from the roll stand of the roll stand and a device for exchanging the Rolls is fed.
  • rollers to be changed are picked up one after the other by the roller support and placed on the roller transport carriage, and the new rollers are picked up by the roller transport carriage and placed on the roller support.
  • the installation of the roller installation can be continued in the reverse order.
  • the rolling mills are each assigned to the sizes of the roll stands, with correspondingly high equipment and maintenance costs and space requirements.
  • the invention has for its object to provide a method and a device for changing the rolls of roll stands of different sizes, with which the disadvantages of the prior art can be avoided in that the change of the rolls of different stand sizes starting with less technical equipment from the removal of the roll installation from the roll stand, through the change of the rolls themselves, to the reinstallation of the roll installation in the roll stand, can be realized at least in the time unit required to carry out the roll change when using a roll changing device assigned to each roll stand size. In particular, the space required for the roll change should also be reduced.
  • the chocks of the Roller installation on both sides of the rollers in a horizontal position using one second part of the device for changing the roller-forming device for moving 11 both deducted from the receiving pin of the rollers and in move a parking position as well as from the parking position to the Slip the new rollers back on.
  • rollers are changed in pairs by means of a third one Part of the device for changing the rollers forming the scaffold size related and interchangeable multifunctional device III for transportation for overhead conveying.
  • the device for changing the rolls of rolling stands different Size with the roll installation of the roll stand consisting essentially from chocks connected by means of connecting elements as well as in them stored rollers, using a conveyor the roller stand of the Roll stand removed and one arranged outside the rolling line Device for changing the rollers is fed stands out in particular from the fact that they have a device for pivoting I of Roll installation from an upright to a horizontal position and back, one Device for moving II of the chocks as well as a multifunctional the scaffold size-related and interchangeable device for transport III having.
  • Another measure provides that the sliding carriage by means of linear drives are displaceable in the axial direction of the rollers and in each case centering and Bracing elements for the associated pair of chocks of the Have roller installation.
  • the device for Swivel I of the roll installation from a center and below the device to move II rotatably arranged swivel cylinder, whose Piston rod head with the interchangeable adapter is rotatably connected and the receiving adapter in turn consists of two in parallel arranged and firmly connected to each other, on the machine or Hall floor or mounting elements pivotally hinged to the base frame exists, which in turn with contours adapted to the scaffolding size for the Recording the receiving pin of the rollers are executed.
  • the distance between the two receiving elements of the Recording adapter is chosen so that it in the area between the Insert the rollers on their mounting pins.
  • the receiving elements themselves the contours of the Have receiving pins or with accordingly designed and interchangeable contour elements are provided.
  • the device for Transport III in the form of a transport adapter related to the scaffolding size a stable traverse, which in turn has at least two ends mirror images of one another and one over the circumference Receiving pin of a roller engaging boom, each fixed arranged brackets each around a vertical axis under the mounting spigot pivotable counter jib is assigned so that the rollers during the Transports of the same come to rest in pairs in the counter jibs.
  • the contour of the fixed jib and the swiveling counter jib is chosen so that the rollers during transport between they are fixed in their position.
  • transport adapter is in shape the stable crossbeam stop elements for crane transport, Stop elements for the complete roll installation and Has stop elements for the interchangeable adapter.
  • the advantages achieved by the invention are seen in particular in the fact that, according to the method according to the invention, by means of a single device for changing the rollers according to the invention, the rollers of rolling stands of various sizes can be changed in succession in a reasonable time and this required time corresponds at most to the time that is required to implement the change when using one of the size of the respective roll stand adapted roll changing device. Furthermore, the space required for the roll change could be considerably reduced by the invention.
  • Embodiment executed here as a stand-free duo roll stand, at that the roll installation from chocks with the rolls stored in them, as well as connecting elements in the form of tie rods and one in the area of a Coupling, divisible and arranged on the upper chocks for the roll adjustment.
  • the device for replacing the rollers 1, according to FIGS. 1 to 3, consists of a device for swiveling I of the roll installation 2, a device for moving II of the chocks 3, in the present exemplary embodiment including a tie rod 4 and a proportional adjusting gear 5, as well as a multifunctional device for transport III.
  • the device for pivoting I of the roll installation 2 is arranged centrally between two sliding carriages 7a and 7b of the device for moving II, which are arranged in a mirror-image manner relative to one another and has an exchangeable, pivotable mounting adapter 8 for the roll installation 2, which is related to the size of the stand.
  • the receiving adapter 8 of the device for pivoting I is pivoted into an approximately vertical operating position. It essentially consists of two receiving elements 10 arranged parallel to one another and firmly connected to one another, pivotally articulated on the machine floor or hall floor or on the base frame 6 and easily assembled and disassembled by means of bolts 9.
  • the device for swiveling I furthermore has a swivel cylinder 11, which is rotatably arranged in the middle and below the device for displacing II, the piston rod head 12 of which is in turn rotatably connected to the receiving adapter 8.
  • the roller installation 2 for replacing the rollers 1 is set down as shown in FIGS. 3 and 4 in such a way that the roller installation 2 is suspended from the crane via the device for transport III with the locating pins 13 of the lower rollers 1 in the frame size, in particular the diameter the receiving pin 13 is adjusted contours 14 of the receiving elements 10 of the receiving adapter 8.
  • the distance between the two receiving elements 10 of the receiving adapter 8 from one another is selected such that they receive the rollers 1 on their receiving pins 13 and 15 in the area between the chocks 3 If the roller installation 2 has assumed a stable position on the receiving elements 10, the device for transport III can be detached from the roller installation 2. Subsequently, the receiving adapter 8 is pivoted into such a horizontal position by means of the pivoting device I and placed on the base frame 6 (FIG. 4) such that the rollers 1 are arranged next to one another in the center symmetrically to the axes of symmetry 16 of the sliding carriages 7a and 7b (FIG 6).
  • the two sliding carriages 7a, 7b are moved into such a position by means of linear drives 17, for example hydraulic cylinders, on the base frame 6 in guides, not shown, but known per se, such as rails, that after the receiving elements 10 of the receiving adapter 8 have been set down, the chocks 3 arranged on both sides come to rest with their side faces on the respectively associated sliding carriage 7a or 7b.
  • the receiving elements 10 detach slightly from the receiving pins 13 and 15 downward, in order to be able to ensure that the chocks 3 rest on all conceivable tolerances and that they are braced on the sliding carriages 7a and 7b.
  • load-bearing centering elements 19 are assigned to the piston rod head 12, in which fixed fork-shaped centering elements 20 engage on the receiving adapter 8 (FIGS. 3 to 5).
  • the functioning of the centering is described such that at the beginning of the lifting movement of the pivot cylinder 11, the piston rod head 12 slides out of the centering 18 on the base frame 6 and at the same time the load-bearing centering elements 19 with the fork-shaped centering elements 20 come into contact with the receiving adapter 8. This can now be erected until it reaches a position that is suitable for loading with the roller installation 2. When the receiving adapter 8 is pivoted back, the centering 18 in the base frame 6 is restored.
  • the chocks 3 are removed from the rollers 1 and into a Parking position promoted.
  • the rollers 1 come with their receiving pins 13, 15 in the contours 14 of the receiving elements 10 for storage ( Figures 5 and 6).
  • the Receiving elements 10 themselves can have the contours 14 or into them are incorporated.
  • the contours 14 by not Interchangeable contour elements shown in more detail are formed on the Recording elements 10 can be firmly applied.
  • the device for transport III is used again. It is essentially designed as a transport adapter based on the scaffolding size in the form of a stable crossmember 21, which in turn has at least two cantilevers 22 which are fixedly arranged in mirror image to one another and extend over the circumference of a receiving pin 13 or 15 of the rollers 1.
  • Each fixed arm 22 is further assigned a counter-arm 23 which can be pivoted under the receiving pins 13 or 15 such that the rollers 1 come to rest in the counter-arms 23 during transport.
  • rollers 1 are picked up in such a way that the cross member 21, which is attached to the crane by means of a stop element 24, is placed on the rollers 1 to be replaced, and the counter jibs 23 are pivoted by hand under the associated receiving pins 13 and 15, respectively.
  • the contour of the arms 22 and counter-arms 23 is selected so that the rollers 1 are fixed in their position when they are subsequently lifted off the receiving elements 10 of the transport adapter 8.
  • the rollers to be replaced are removed by crane.
  • roller installation 2 is carried out in the reverse order of the disassembly, the chocks 3 together with the tie rods 4 and proportional adjustment gear 5 being moved back in the direction of the receiving pins 13, 15 of the new rollers 1 to be replaced and being pushed onto them. If the roller installation 2 is fully assembled, it is pivoted from the horizontal into the upright position by means of the device for swiveling I, attached to suitable stop elements 25 of the device for transport III for the installation of the roller 2 and inserted into the roller stand of the roll stand.
  • the present invention is not only for standless Roll stands, but can also be used for column stands, where in this case the connection between the chocks is not by tie rods, but by appropriately other connecting elements, such as. B. Interchangeable cassettes or other interlocking elements is guaranteed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Automatic Assembly (AREA)
  • Metal Rolling (AREA)
EP99123801A 1998-12-03 1999-12-01 Procédé et dispositif pour remplacer les cylindres de cages de laminoir de dimensions différentes Withdrawn EP1005924A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19855652A DE19855652C1 (de) 1998-12-03 1998-12-03 Verfahren und Einrichtung zum Auswechseln der Walzen von Walzgerüsten unterschiedlicher Baugröße
DE19855652 1998-12-03

Publications (2)

Publication Number Publication Date
EP1005924A2 true EP1005924A2 (fr) 2000-06-07
EP1005924A3 EP1005924A3 (fr) 2003-01-15

Family

ID=7889767

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99123801A Withdrawn EP1005924A3 (fr) 1998-12-03 1999-12-01 Procédé et dispositif pour remplacer les cylindres de cages de laminoir de dimensions différentes

Country Status (4)

Country Link
US (1) US6167738B1 (fr)
EP (1) EP1005924A3 (fr)
BR (1) BR9905701A (fr)
DE (1) DE19855652C1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105396876A (zh) * 2015-12-07 2016-03-16 天津市新宇彩板有限公司 用于轧机轨道的提升装置
CN106111704A (zh) * 2016-08-11 2016-11-16 河北钢铁股份有限公司邯郸分公司 一种宽厚板轧机弯辊块更换装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10160004B4 (de) * 2001-12-06 2004-01-29 Sms Meer Gmbh Verfahren und Vorrichtung zum Wechseln der Walzen in einem Rohr-Schweißgerüst
CN102029291B (zh) * 2010-11-16 2012-07-04 中冶京诚工程技术有限公司 轧机弯辊块快速更换装置
WO2015050823A2 (fr) 2013-10-02 2015-04-09 Fives Bronx, Inc. Appareil de changement de rouleaux
DE102019220327A1 (de) * 2019-12-20 2021-06-24 Sms Group Gmbh Verfahren zum Wechsel einer Walzenkonfiguration in einem Walzgerüst sowie Walzenanordnung
CN115365327B (zh) * 2022-07-12 2025-05-09 中冶赛迪工程技术股份有限公司 到位状态检测方法及基于该方法的检测装置与矫直机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1777316A1 (de) * 1964-08-26 1972-03-09 Kerb Konus Ges Dr Carl Eibes & Zufuehrvorrichtung fuer Kerbstifte erzeugende Maschinen
US3979939A (en) * 1974-05-21 1976-09-14 G. Schwartz & Co. Apparatus for the mounting and removal of the rollers of a roll stand
US4005594A (en) * 1976-03-03 1977-02-01 Demag Aktiengesellschaft Roll changing mechanism for rolling mills
JPS6044118A (ja) 1983-08-19 1985-03-09 Ishikawajima Harima Heavy Ind Co Ltd 圧延機のロ−ル組替装置
IT1209050B (it) * 1983-11-11 1989-07-10 Danieli Off Mecc Rulli e attrezzature su gabbie di dispositivo per la sostituzione di laminazione con rulli a sbalzo.
JP3416251B2 (ja) * 1994-03-18 2003-06-16 株式会社神戸製鋼所 多段圧延機のロール組替方法及びこれに用いるロール組替装置並びに多段圧延機
JPH0824916A (ja) * 1994-07-15 1996-01-30 Nisshin Steel Co Ltd ロールショップのレイアウト
JPH1024305A (ja) * 1996-07-09 1998-01-27 Kobe Steel Ltd 圧延機のロール交換装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105396876A (zh) * 2015-12-07 2016-03-16 天津市新宇彩板有限公司 用于轧机轨道的提升装置
CN106111704A (zh) * 2016-08-11 2016-11-16 河北钢铁股份有限公司邯郸分公司 一种宽厚板轧机弯辊块更换装置

Also Published As

Publication number Publication date
EP1005924A3 (fr) 2003-01-15
BR9905701A (pt) 2000-09-05
DE19855652C1 (de) 2000-03-23
US6167738B1 (en) 2001-01-02

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