EP1907143B1 - Dispositif de verrouillage rotatif de l'équilibre des rouleaux de support de cages de laminoir - Google Patents

Dispositif de verrouillage rotatif de l'équilibre des rouleaux de support de cages de laminoir Download PDF

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Publication number
EP1907143B1
EP1907143B1 EP07765182A EP07765182A EP1907143B1 EP 1907143 B1 EP1907143 B1 EP 1907143B1 EP 07765182 A EP07765182 A EP 07765182A EP 07765182 A EP07765182 A EP 07765182A EP 1907143 B1 EP1907143 B1 EP 1907143B1
Authority
EP
European Patent Office
Prior art keywords
yoke
roll
rotary sleeve
balancing
piston 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.)
Active
Application number
EP07765182A
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German (de)
English (en)
Other versions
EP1907143A1 (fr
Inventor
Michael Saupe
Bernd Zieser
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
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SMS Siemag AG
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Filing date
Publication date
Application filed by SMS Siemag AG filed Critical SMS Siemag AG
Publication of EP1907143A1 publication Critical patent/EP1907143A1/fr
Application granted granted Critical
Publication of EP1907143B1 publication Critical patent/EP1907143B1/fr
Active 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
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
    • B21B31/203—Balancing rolls
    • 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
    • B21B31/106—Vertical displacement of rolls or roll chocks during 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
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
    • B21B31/32—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis by liquid pressure, e.g. hydromechanical adjusting

Definitions

  • the invention relates to a rolling stand, in particular a heavy plate rolling stand according to the preamble of claim 1.
  • Such a known roll stand is, for example, in FIG. 1 shown.
  • the piston rod moves up or down during back-up roll balancing and thus forms a display device that represents the position of the back-up roll balancing.
  • Out DE 101 16 988 A1 is a rolling stand with means for raising or lowering the insects- or baywalzenschienen when changing the roll known.
  • the support roller balancing trays are coupled to the upper roller rails by connecting rods so that the roller rails are raised / lowered during lifting / lowering of the support roller balancing traverses.
  • Out DE 296 03 117 U1 is a Mehrwalzengerüst, in particular Sextowalzgerüst, known, with an upper and a lower support roller, an upper and a lower work roll and optionally an upper and a lower intermediate roll, a means for balancing the back-up rolls, roll bending devices for the work rolls and the intermediate rolls, means for mutual axial displacement of the working and / or intermediate rolls and with means for horizontal parallel displacement of the work rolls or intermediate rolls.
  • the multi-roll stand is characterized by two integrated into the windows of the two roll stand of the rolling mill functional units with two symmetrical and parallel to the roll axis plane arranged hydraulic actuator cylinder pairs, each actuator cylinder pair of an upper actuating cylinder with an upper, acting on the chock of the upper support roller control piston to balance the upper support roller and a lower actuating cylinder with a lower, acting on the chock of the lower support roller actuating piston for balancing the lower support roller and the two adjusting cylinders of each actuator cylinder pair are coaxially installed in a common cylinder housing.
  • the cylinder housing is divided by a bottom in two cylinder chambers, as well as on the adjusting cylinders of the Stellzylinderprese hydraulically displaceable, double-acting, a bending of the intermediate rolls and the work rolls effecting sleeves, which engage by means of noses or the like to the chocks of the intermediate rolls and the work rolls.
  • the respective chocks When replacing the working and / or support rollers, the respective chocks are moved away from each other, for example by means of bolts, in order to avoid contact of the respective roll surfaces. That the rolling mill is raised.
  • the paths to be considered are different, so that the corresponding chocks and the Stitzwalzenausbalanci für occupy different positions in the stator window or in the rolling stand. In order to maintain this position, the devices in the rolling stand are locked.
  • the locking systems of backup roll balances are required, on the one hand, to mechanically lock the upper backup roll and the backup roll balance arms, respectively, during inspection work in the rolling stand.
  • a security for the maintenance staff is given, which is located in the rolling stand with rolled out from the rolling mill work rolls.
  • the lock is used in case of a drop in hydraulic pressure to obtain a defined position for the re-entry of the rolls during the work roll or backup roll change and a related drop in the balance.
  • the support-roll balancing is mechanically locked in a roll change position. This is done by means of four hydraulic cylinders, slide the bolt under the attached to upper support arms noses on which the support arms can place. A visual inspection of the proper functioning of these bars is not possible because they are covered by the holding arms and are not accessible. The load capacity is limited by the attachment of the brackets to the upper St Sraverse in which the bars are moved.
  • the invention is therefore based on the object to provide a backup rollers - lock, which is independent of the roll and in both changing positions the support rollers - locked mechanically.
  • the lock should always be easily accessible, visually monitorable and easy to maintain.
  • the yoke carrying the retaining arms dips into the deepest slot of the rotary sleeve.
  • balancing can approach all possible positions without any mechanical contact. Even the position at which the back-up roller - cylinder drives block can be adjusted without problems.
  • the locking system according to the invention is suitable both for new scaffolding as well as for retrofitting old systems. Due to the individual design options The rotating sleeve, this system for all scaffolds, regardless of the roll rise, can be used.
  • FIG. 1 shows in partially sectioned side view belonging to the prior art rolling mill 1 with roller stands 2, 3 and a St onlyraverse connecting them 4.
  • St.raverse 4 is a Stitzwalzenausbalancitation whose piston rod protrudes upwards from the St Sraverse 4.
  • FIG. 2 shows a spatial representation of an inventive rolling stand 1 with a left roll stand 2 and a right roll stand 3. These are connected at their upper ends by a Steraverse 4 together.
  • a protruding upward from the Steraverse 4 piston rod 7 is slotted at its outer end 9 and receives a yoke 10. This, for example, with a bolt attached to the piston rod 7 yoke 10 is aligned in the rolling direction and engages with its ends in the support arms 5, 6 of a balancing device.
  • a rotary sleeve is arranged, which is located on the surface 12 of a Balancierzylinders 22 (see FIG. 5 ) of the balancing device is supported.
  • the yoke 10 is located with its lower edge 13 above the rotary sleeve. In rolling operation, as in FIG. 2 shown, the yoke 10 moves in a slot 14 of the rotary sleeve 11.
  • the slot 14 is in FIG. 3 described in more detail.
  • the rotary sleeve 11 is coupled to a hydraulic cylinder 19, which maintains the position shown in the rolling operation.
  • the scaffold When changing the work roll, the scaffold is raised and the yoke 10 and the support arms 5, 6 supported thereon are moved vertically upwards. To lock this position, the rotary sleeve 11 is rotated by means of the hydraulic cylinder 19 about the vertical axis until a position is reached, in which the lower edge 13 of the yoke 10 on the support surface 18 (see FIG. 3 ) rests.
  • the yoke When changing work rolls, the yoke is not placed on the rotary sleeve (surface 18), but held at a distance of about 10 mm above it. The position is approached by the mechanical adjustment and the support roller balancing balances the support roller against the employment.
  • the rotating sleeve secures only to prevent falling of the support rollers and the support arms in the framework in case of failure of the hydraulic system (danger for maintenance personnel with removed work rolls). But it can also be, e.g. during maintenance / repair work for storage on the surface 18 come.
  • the rotating sleeve thus not only serves for the safe storage of the yoke (back-up roller change), but also secures the approached position when changing work rolls with a certain distance.
  • the yoke 10 can not go further down, the opening position for changing the work rolls is secured.
  • the framework is raised further, the rotary sleeve 11 is further rotated by means of the hydraulic cylinder until the lower edge 13 of the yoke 10 rests on the upper annular surface 21 of the rotary sleeve 11 and this position is secured.
  • the rotary sleeve 11 is again rotated to its original position, in which the yoke 10 can dip into the slot 14.
  • FIG. 3 shows as a single part in a spatial representation of the rotary sleeve 11. This has axially a slot 14 into which the yoke 10 (not shown) is immersed.
  • the yoke 10 moves vertically up to the support surface 16.
  • the rotary sleeve is rotated and the yoke 10 settles on the support surface 18 from.
  • the rotary sleeve 11 is further rotated and the yoke 10 settles on the upper annular surface 21 of the rotary sleeve 11 from.
  • FIG. 4 is shown in plan view the respective rotational position of the rotary sleeve 11.
  • FIG. 4a The position during rolling operation shows FIG. 4a ,
  • the rotary sleeve 11 is aligned in the rolling direction so that the yoke 10 can dip into the slot 14. That is, the yoke 10 moves freely in the slot 14.
  • support surface 18 (see FIG. 3 to see).
  • the rotary sleeve 11 is rotated by means of the hydraulic cylinder 19.
  • the yoke 10, which has been moved all the way upwards, is used to lock onto the support surface 18 (see FIG FIG. 3 ) lowered.
  • a backup roller change the rotary sleeve is rotated in a third switching position.
  • This in Figure 4c illustrated step provides that the lower edge 13 of the yoke 10 comes to rest on the upper annular surface 21 of the rotary sleeve 11. Now both the support surface 16 and the support surface 18 can be seen from above.
  • the rotary sleeve 11 By installing the hydraulic cylinder 19, the rotary sleeve 11 is held in each approached position. But it is also conceivable to use another drive for rotating the rotary sleeve 11. Furthermore, it is conceivable to provide further bearing surfaces for depositing the lower edge 13 of the yoke 10 in order to obtain further locking positions. Another embodiment of the rotary sleeve 11 is to form a slot 14 without shelf 18.
  • FIG. 5 shows a longitudinal section through the rolling mill according to the invention. It is shown how the Balancierzylinder 22 is mounted in an opening of the St Sraverse 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Testing Of Balance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Handcart (AREA)

Claims (3)

  1. Cage de laminoir (1), en particulier cage de laminoir pour tôles grossières, comprenant un support de cage droit (2), un support de cage gauche (3), une traverse de support supérieure (4) qui les relie, au moins une paire de cylindres de travail et une paire de cylindres de soutien, ainsi que des pièces de montage associées, et un dispositif d'équilibrage, celui-ci comprenant des bras de maintien (5, 6) et un cylindre d'équilibrage (22) qui est suspendu avec son arête supérieure (12) sous la forme d'une collerette, dans une ouverture dans la traverse de support, et avec une tige de piston (7) dirigée vers le haut à travers la traverse de support (4) qui dépasse au-delà de la surface supérieure (8) de la traverse de support (4),
    caractérisée en ce que
    la tige de piston (7) comporte à son extrémité extérieure (9) un étrier (10) qui est dirigé dans la direction de laminage et s'engage dans les bras de maintien (5, 6) du dispositif d'équilibrage, ainsi qu'une douille rotative (11) entourant la tige de piston (7), qui est agencée entre l'arête supérieure (12) du cylindre d'équilibrage (22) et l'arête inférieure (13) de l'étrier (10) en s'appuyant ici sur la traverse de support et présente au moins une fente traversante (14) dans laquelle l'étrier (10) peut plonger; la fente (14) comprend un premier talon (15) avec une surface d'appui (16);
    la fente (14) comprend un second talon (17) avec une seconde surface d'appui (18); et
    la douille rotative (11) est réalisée reliée à un cylindre hydraulique (19) ou à un moteur électrique.
  2. Cage de laminoir selon la revendication 1,
    caractérisée en ce qu'un palier à pression est agencé entre la douille rotative (11) et l'arête supérieure (12) du cylindre d'équilibrage.
  3. Cage de laminoir selon la revendication 1 ou 2,
    caractérisé en ce que la fente (14) est réalisée avec des pentes d'introduction (20).
EP07765182A 2006-07-14 2007-07-11 Dispositif de verrouillage rotatif de l'équilibre des rouleaux de support de cages de laminoir Active EP1907143B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006032813A DE102006032813A1 (de) 2006-07-14 2006-07-14 Vorrichtung zur Drehverriegelung der Stützwalzenbalancierung von Walzgerüsten
PCT/EP2007/006165 WO2008006571A1 (fr) 2006-07-14 2007-07-11 Dispositif de verrouillage rotatif de l'équilibre des rouleaux de support de cages de laminoir

Publications (2)

Publication Number Publication Date
EP1907143A1 EP1907143A1 (fr) 2008-04-09
EP1907143B1 true EP1907143B1 (fr) 2009-12-16

Family

ID=38438683

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07765182A Active EP1907143B1 (fr) 2006-07-14 2007-07-11 Dispositif de verrouillage rotatif de l'équilibre des rouleaux de support de cages de laminoir

Country Status (9)

Country Link
US (1) US8042371B2 (fr)
EP (1) EP1907143B1 (fr)
JP (1) JP4937275B2 (fr)
CN (1) CN101346195B (fr)
AT (1) ATE451979T1 (fr)
DE (2) DE102006032813A1 (fr)
RU (1) RU2372161C1 (fr)
UA (1) UA90913C2 (fr)
WO (1) WO2008006571A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101745539B (zh) * 2009-12-29 2011-11-30 太原重工股份有限公司 一种轧管机机盖的打开装置
WO2020173614A1 (fr) 2019-02-28 2020-09-03 Sms Group Gmbh Cage de laminoir pour le laminage de matériaux métalliques

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009058876A1 (de) * 2009-01-23 2010-07-29 Sms Siemag Ag Biege- und Ausbalanciervorrichtung für axial verschiebbare Arbeitswalzen eines Walzgerüstes
CN107350292B (zh) * 2017-08-31 2023-09-12 马鞍山市新华异型钢开发有限责任公司 一种轧机传动轴平衡装置
DE102019210273A1 (de) 2018-10-12 2020-04-16 Sms Group Gmbh Walzgerüst zum Walzen eines metallischen Breitflachprodukts

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58172507A (ja) * 1982-04-05 1983-10-11 Nippon Kokan Kk <Nkk> 管外面の異常形状検出装置
JPH0484624A (ja) * 1990-07-27 1992-03-17 Nkk Corp マンドレルミルにおける被圧延材穴明発生判定方法
JPH07246414A (ja) * 1994-03-10 1995-09-26 Nkk Corp ストレッチレデューサーの管端部肉厚制御方法
JPH0871616A (ja) * 1994-09-01 1996-03-19 Sumitomo Metal Ind Ltd 継目無管の圧延装置および圧延制御方法
JP2001293503A (ja) * 2000-04-13 2001-10-23 Sumitomo Metal Ind Ltd 継ぎ目無し管の圧延装置および圧延制御方法
JP2002035817A (ja) * 2000-07-27 2002-02-05 Sumitomo Metal Ind Ltd 継目無鋼管製造ラインで用いられる圧延制御方法
JP2003220403A (ja) * 2002-01-28 2003-08-05 Sumitomo Metal Ind Ltd 継目無鋼管の製造方法
JP2004337941A (ja) * 2003-05-16 2004-12-02 Sumitomo Metal Ind Ltd 金属管製造装置および金属管の肉厚制御方法

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GB1036821A (en) * 1962-06-01 1966-07-20 United Eng Foundry Co Apparatus for automatically positioning a roll in a rolling mill
JPS496751B1 (fr) * 1970-11-30 1974-02-15
US3702557A (en) * 1971-03-01 1972-11-14 Wean United Inc Apparatus for supporting yokes for a rolling mill having roll contour control
LU66380A1 (fr) * 1971-10-28 1973-01-23
JPS5320943B2 (fr) * 1973-08-29 1978-06-29
US4453393A (en) * 1981-08-13 1984-06-12 Mitsubishi Jukogyo Kabushiki Kaisha Four high mill of the paired-roll-crossing type
JPS59118209A (ja) * 1982-12-27 1984-07-07 Mitsubishi Heavy Ind Ltd ロ−ルクロス圧延機のトツプロ−ルバランス装置
US4706484A (en) * 1986-07-28 1987-11-17 United Engineering Rolling Mills, Inc. Universal rolling mill
JPS6390508A (ja) * 1986-10-03 1988-04-21 Kansai Paint Co Ltd ソ−プフリ−カチオン性エマルシヨンの製造方法
DE4417274C2 (de) * 1994-05-18 2003-04-17 Sms Demag Ag Verfahren zum Betreiben eines Walzgerüstes
US5842368A (en) * 1996-02-23 1998-12-01 Achenbach Buschhutten Gmbh Multiroll stand
DE29603117U1 (de) * 1996-02-23 1996-04-11 Achenbach Buschhütten GmbH, 57223 Kreuztal Mehrwalzengerüst
DE10116988B4 (de) * 2001-04-05 2012-03-15 Sms Siemag Aktiengesellschaft Walzgerüst

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58172507A (ja) * 1982-04-05 1983-10-11 Nippon Kokan Kk <Nkk> 管外面の異常形状検出装置
JPH0484624A (ja) * 1990-07-27 1992-03-17 Nkk Corp マンドレルミルにおける被圧延材穴明発生判定方法
JPH07246414A (ja) * 1994-03-10 1995-09-26 Nkk Corp ストレッチレデューサーの管端部肉厚制御方法
JPH0871616A (ja) * 1994-09-01 1996-03-19 Sumitomo Metal Ind Ltd 継目無管の圧延装置および圧延制御方法
JP2001293503A (ja) * 2000-04-13 2001-10-23 Sumitomo Metal Ind Ltd 継ぎ目無し管の圧延装置および圧延制御方法
JP2002035817A (ja) * 2000-07-27 2002-02-05 Sumitomo Metal Ind Ltd 継目無鋼管製造ラインで用いられる圧延制御方法
JP2003220403A (ja) * 2002-01-28 2003-08-05 Sumitomo Metal Ind Ltd 継目無鋼管の製造方法
US20040065133A1 (en) * 2002-01-28 2004-04-08 Kenichi Sasaki Method of producing seamless steel tubes
JP2004337941A (ja) * 2003-05-16 2004-12-02 Sumitomo Metal Ind Ltd 金属管製造装置および金属管の肉厚制御方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101745539B (zh) * 2009-12-29 2011-11-30 太原重工股份有限公司 一种轧管机机盖的打开装置
WO2020173614A1 (fr) 2019-02-28 2020-09-03 Sms Group Gmbh Cage de laminoir pour le laminage de matériaux métalliques
US11779973B2 (en) 2019-02-28 2023-10-10 Sms Group Gmbh Rolling mill for rolling metal products

Also Published As

Publication number Publication date
EP1907143A1 (fr) 2008-04-09
WO2008006571A1 (fr) 2008-01-17
US8042371B2 (en) 2011-10-25
RU2372161C1 (ru) 2009-11-10
RU2008110586A (ru) 2009-09-27
DE102006032813A1 (de) 2008-01-24
DE502007002321D1 (de) 2010-01-28
JP4937275B2 (ja) 2012-05-23
ATE451979T1 (de) 2010-01-15
CN101346195A (zh) 2009-01-14
JP2009522107A (ja) 2009-06-11
UA90913C2 (en) 2010-06-10
US20090199611A1 (en) 2009-08-13
CN101346195B (zh) 2010-06-09

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