EP1907143A1 - Vorrichtung zur drehverriegelung der stützwalzenbalancierung von walzgerüsten - Google Patents
Vorrichtung zur drehverriegelung der stützwalzenbalancierung von walzgerüstenInfo
- Publication number
- EP1907143A1 EP1907143A1 EP07765182A EP07765182A EP1907143A1 EP 1907143 A1 EP1907143 A1 EP 1907143A1 EP 07765182 A EP07765182 A EP 07765182A EP 07765182 A EP07765182 A EP 07765182A EP 1907143 A1 EP1907143 A1 EP 1907143A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roll
- yoke
- stand
- ständerraverse
- rotary sleeve
- 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
Links
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, with a right frame stand, a left frame stand, an upper St Sraverse connecting them, at least one pair of work rolls and a pair of support rolls and associated chocks, as well as a balancing device with holding arms and one by the St Sraverse above projecting piston rod, which projects beyond the upper edge of the stand cross member.
- Such a known roll stand is shown for example in FIG.
- 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.
- DE 101 16 988 A1 discloses a rolling stand with means for raising or lowering the intermediate roll or work roll rails when changing rolls.
- 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 trusses.
- a multi-roll stand in particular a six-high stand, is known, comprising an upper and a lower support roll, an upper and a lower work roll and optionally an upper and a lower intermediate roll, a device for balancing the support rolls, waist bending devices for the work rolls and the intermediate rolls, means for mutual axial displacement of the working and / or intermediate and with facilities for a 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 adjusting piston for balancing the lower support roller and the two adjusting cylinders of each adjusting 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 - locking, which is independent of the roll and in both changing positions the support rollers - mechanically locked.
- the lock should always be easily accessible, visually monitorable and easy to maintain.
- the piston rod has at its outer end a yoke which is aligned in the rolling direction and in the HaI- tearme the Ausbalanci mecanicsvoriques engages, and a piston rod enclosing rotating sleeve, the between the upper edge of the St Sraverse and the lower edge of the yoke is arranged and thereby supported on the St Sraverse and having at least one slot into which the yoke can dip.
- 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 With the option of turning the rotating sleeve, this system can be used for all scaffolds, regardless of the roll run.
- Fig. 1 in a partially sectioned side view of a prior art rolling stand
- FIG. 2 shows a spatial representation of a rolling stand according to the invention
- FIG. 3 shows a three-dimensional view of a rotary sleeve as a single part
- FIG 1 shows a partially sectioned side view of a prior art mill stand 1 with roller stands 2, 3 and this connecting St Sraverse 4.
- St Sraverse 4 is a Stützwalzenaus- balancitation whose piston rod protrudes upward from the St Sraverse 4.
- FIG. 2 shows, in a three-dimensional representation, a rolling stand 1 according to the invention with a left roll stand 2 and a right roll stand 3. These are connected to one another at their upper ends by a frame crosspiece 4.
- a protruding upward from the St Sraverse 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 a balancing a.
- a rotary sleeve is arranged, which is supported on the surface 12 of a Balancierzylinders 22 (see Figure 5) of the balancing device.
- the yoke 10 is located with its lower edge 13 above the rotary sleeve. During rolling operation, as shown in Figure 2, the yoke 10 moves in a slot 14 of the rotary sleeve 11. The slot 14 is described in Figure 3 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 about the vertical axis by means of the hydraulic cylinder 19 until a position is reached in which the lower edge 13 of the yoke 10 rests on the support surface 18 (see FIG. 3).
- 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 only secures to prevent the backup rollers and the support arms from falling down in the framework in the event of a failure of the hydraulic system (danger to maintenance personnel with removed work rolls). But it can also come, for example, during maintenance / repair work for storage on the surface 18.
- the rotary sleeve thus not only serves for the safe storage of the yoke (backup 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.
- Rotary sleeve 11 rests and this position is secured.
- Figure 3 shows 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 the respective rotational position of the rotary sleeve 11 is shown in plan view.
- the position during rolling operation is shown in 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 Figure 3) can be seen. If the work rolls are changed, as can be seen in FIG. 4 b, 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 lowered for locking onto the support surface 18 (see FIG. 3). Now the support surface 16 (see FIG. 3) 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 stand according to the invention. It is shown how the Balancierzylinder 22 is mounted in an opening of the St Sraverse 4. LIST OF REFERENCE NUMBERS
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Testing Of Balance (AREA)
- Handcart (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
Description
Claims
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 (de) | 2006-07-14 | 2007-07-11 | Vorrichtung zur drehverriegelung der stützwalzenbalancierung von walzgerüsten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1907143A1 true EP1907143A1 (de) | 2008-04-09 |
| EP1907143B1 EP1907143B1 (de) | 2009-12-16 |
Family
ID=38438683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07765182A Active EP1907143B1 (de) | 2006-07-14 | 2007-07-11 | Vorrichtung zur drehverriegelung der stützwalzenbalancierung von walzgerüsten |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US8042371B2 (de) |
| EP (1) | EP1907143B1 (de) |
| JP (1) | JP4937275B2 (de) |
| CN (1) | CN101346195B (de) |
| AT (1) | ATE451979T1 (de) |
| DE (2) | DE102006032813A1 (de) |
| RU (1) | RU2372161C1 (de) |
| UA (1) | UA90913C2 (de) |
| WO (1) | WO2008006571A1 (de) |
Families Citing this family (5)
| 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 |
| 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 |
| 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 |
| DE102019202691A1 (de) * | 2019-02-28 | 2020-09-03 | Sms Group Gmbh | Walzgerüst zum Walzen metallischen Guts |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1036821A (en) | 1962-06-01 | 1966-07-20 | United Eng Foundry Co | Apparatus for automatically positioning a roll in a rolling mill |
| JPS496751B1 (de) * | 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 (de) * | 1971-10-28 | 1973-01-23 | ||
| JPS5320943B2 (de) * | 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 |
| JPS58172507A (ja) * | 1982-04-05 | 1983-10-11 | Nippon Kokan Kk <Nkk> | 管外面の異常形状検出装置 |
| 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 |
| 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 |
| DE4417274C2 (de) | 1994-05-18 | 2003-04-17 | Sms Demag Ag | Verfahren zum Betreiben eines Walzgerüstes |
| 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 |
| 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 |
| JP3743609B2 (ja) * | 2000-04-13 | 2006-02-08 | 住友金属工業株式会社 | 継ぎ目無し管の圧延装置および圧延制御方法 |
| JP3494131B2 (ja) * | 2000-07-27 | 2004-02-03 | 住友金属工業株式会社 | 継目無鋼管の製造ラインで用いられる圧延制御方法およびそれを用いた製造装置 |
| DE10116988B4 (de) * | 2001-04-05 | 2012-03-15 | Sms Siemag Aktiengesellschaft | Walzgerüst |
| JP4003463B2 (ja) * | 2002-01-28 | 2007-11-07 | 住友金属工業株式会社 | 継目無鋼管の製造方法 |
| JP4254341B2 (ja) * | 2003-05-16 | 2009-04-15 | 住友金属工業株式会社 | 金属管製造装置および金属管の肉厚制御方法 |
-
2006
- 2006-07-14 DE DE102006032813A patent/DE102006032813A1/de not_active Withdrawn
-
2007
- 2007-07-11 EP EP07765182A patent/EP1907143B1/de active Active
- 2007-07-11 DE DE502007002321T patent/DE502007002321D1/de active Active
- 2007-07-11 CN CN2007800009659A patent/CN101346195B/zh active Active
- 2007-07-11 WO PCT/EP2007/006165 patent/WO2008006571A1/de not_active Ceased
- 2007-07-11 US US12/309,389 patent/US8042371B2/en active Active
- 2007-07-11 JP JP2008547983A patent/JP4937275B2/ja not_active Expired - Fee Related
- 2007-07-11 AT AT07765182T patent/ATE451979T1/de active
- 2007-07-11 RU RU2008110586/02A patent/RU2372161C1/ru active
- 2007-11-07 UA UAA200803549A patent/UA90913C2/ru unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2008006571A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101346195B (zh) | 2010-06-09 |
| JP2009522107A (ja) | 2009-06-11 |
| EP1907143B1 (de) | 2009-12-16 |
| US8042371B2 (en) | 2011-10-25 |
| ATE451979T1 (de) | 2010-01-15 |
| JP4937275B2 (ja) | 2012-05-23 |
| US20090199611A1 (en) | 2009-08-13 |
| DE502007002321D1 (de) | 2010-01-28 |
| RU2008110586A (ru) | 2009-09-27 |
| RU2372161C1 (ru) | 2009-11-10 |
| CN101346195A (zh) | 2009-01-14 |
| WO2008006571A1 (de) | 2008-01-17 |
| DE102006032813A1 (de) | 2008-01-24 |
| UA90913C2 (en) | 2010-06-10 |
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