EP1214158A2 - Dispositif pour installer et retirer un palier d'un cylindre d'appui - Google Patents
Dispositif pour installer et retirer un palier d'un cylindre d'appuiInfo
- Publication number
- EP1214158A2 EP1214158A2 EP00962495A EP00962495A EP1214158A2 EP 1214158 A2 EP1214158 A2 EP 1214158A2 EP 00962495 A EP00962495 A EP 00962495A EP 00962495 A EP00962495 A EP 00962495A EP 1214158 A2 EP1214158 A2 EP 1214158A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- claws
- bearing unit
- bearing
- changing device
- roll
- 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
- 210000000078 claw Anatomy 0.000 claims description 44
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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
- B21B31/07—Adaptation of roll neck bearings
- B21B31/074—Oil film bearings, e.g. "Morgoil" bearings
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2203/00—Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods
- B21B2203/30—Quick or bayonet couplings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53796—Puller or pusher means, contained force multiplying operator
- Y10T29/53848—Puller or pusher means, contained force multiplying operator having screw operator
- Y10T29/53857—Central screw, work-engagers around screw
- Y10T29/53861—Work-engager arms along or parallel to screw
- Y10T29/53865—Work-engager arms along or parallel to screw with arm connecting engaging means
Definitions
- the invention relates to a device for mounting and removing a bearing unit consisting of an installation piece with a roll neck bearing arranged therein in a backup roll of a roll stand.
- the invention is therefore based on the object of providing a device which can be used to avoid the disadvantages described in the case of back-up roller bearings, which in particular reduces the effort involved in changing the bearings and can be used variably.
- a changing device which can be temporarily coupled to the bearing unit and is designed to generate an axial movement in the direction of the support roller and away from it.
- the bearing units also have a simpler and lighter design.
- the changing device can advantageously be used in the storage and roller workshop, and all that is required is a coupling with the bearing unit to be removed or newly installed, in order to use a single changing device to pull all of the bearing units onto or off the respective support rollers.
- the changing device has lever-like inner claws and lever-like outer claws, of which the inner claws engage in a pin end of the support roller and the outer claws in the bearing unit.
- the claws represent the coupling means and at the same time serve to initiate the axial movement in order either to push the bearing unit onto the roll neck or to pull it away from the latter.
- the changing device could also be coupled to the bearing unit, for example via a screw connection.
- the inner and outer claws can be rotated and locked in the manner of a bayonet lock in the pin end or in the bearing unit. After attaching or inserting the changing device, the inner and outer claws only need to be rotated by about 45 ° in each case to ensure locking.
- the pin end and an intermediate ring screwed to the outside of the bearing unit are cloverleaf-like, with through-grooves for the inner and outer claws, and the claws are complementary locking projections of the pin end or the in situ, after turning into a rear grip position Assigned intermediate ring, the outer claws also being opposite a pressure ring upstream of the roll neck bearing.
- the axial movement is mechanical or by means of an electric drive, e.g. with the help of a worm wheel and a rack
- the inner claws are arranged on a piston of a hydraulic cylinder that can be integrated into the changing device.
- Standard cylinders can be used for this, and due to the separation of the pulling device and the bearing unit according to the invention, there can be no oil mixing between the lubricating oil required for the axial or roller journal bearing and the hydraulic oil.
- the bayonet lock can be easily reached from the outside, and this uniformly for the entire changing device. This presupposes that the through grooves for the inner and outer claws, like the claws themselves, are arranged in alignment. Further details and advantages of the invention result from the claims and the following description with reference to an embodiment of the invention shown in the drawings. Show it:
- Figure 1 as a detail of a roll stand, not shown, the roll neck end of a backup roll with the bearing unit shown in longitudinal section when winding by means of a changing device;
- Figure 3 shows the subject of Figure 1 during the peeling process.
- FIGS. 1 and 3 Only one roll neck 2 of a support roll 1 is shown in FIGS. 1 and 3.
- a bearing unit 3 has been mounted on the roll neck 2, which comprises an installation piece 4 with a roll neck or axial bearing 5.
- an intermediate ring 6 is screwed, which is designed like a cloverleaf and has alternating through grooves 7 and locking projections 8 (see FIG. 2).
- a thrust ring 11 and a screwed ring nut 12 are arranged on a locking ring 10 on the axial bearing 5.
- the locking ring 10 also has latching projections 13, which are assigned through-grooves 14 shown in dashed lines in FIG. 2 on the outer circumference of the roll neck end 9.
- the bearing unit 3 To pull the bearing unit 3 into the operating position shown in FIG. 1, the bearing unit 3 is aligned and positioned exactly at the center of the support roller 1; the same applies to the locking ring 10, the locking projections 13 of which must be in alignment with the through grooves 14 of the roll neck end 9. Then the bearing unit 3 is carefully placed on the roll neck 2 pushed on and locked by rotating the locking ring 10 in the position shown in Figure 2 on the support roller 1 or the roll neck 2. A retaining segment 15 then inserted (cf. FIGS. 1 and 2) then prevents the locking ring 10 from being rotated undesirably. In preparation for the final mounting of the bearing unit 3, the ring nut 12 is screwed on as far as possible.
- a changeover device 16 is placed, which has four outer claws 17 arranged at the same distance from one another and four inner claws 18 again arranged at the same distance from each other.
- the internal claws 18 in FIG. 2 are assigned through grooves 19 in the end of the roll neck end 9.
- the outer claws 17 consequently dive through the through grooves 9 of the intermediate ring 6 and the inner claws 18 through the through grooves 19, and after being rotated through 45 °, they reach their rear engagement position, shown in FIGS the outer claws 17 on the intermediate ring 6 or its locking projections 8 and the inner claws 19 on the support roller 1 or its roll neck end 9 are locked.
- the inner claws 18 are arranged on the cylinder piston 20 of a hydraulic cylinder 21 fastened to the changing device 16, the free cylinder piston end 22 of which is provided with a handwheel 23. While the changing device 16 can be handled with a slewing crane (not shown), the handwheel 23 offers the possibility to carry out the locking swiveling of the claws in a simple manner.
- the changing device 16 held on the inner claws 18 on the support roller 1 presses the pressure ring 11 against the roller journal or axial bearing 5 via its outer claws 17 Bearing unit 3 with its journal bushing 24 increasingly pushed onto the cone of the roll journal 2 until it assumes the end position according to FIG. 1.
- the ring nut 12 is tightened until it stops.
- the claws 17, 18 are then brought into alignment with the complementary through grooves 7 and 19, respectively, so that the changing device 16 can be removed.
- the holding segment 15 is then screwed to the ring nut 12, the ring nut is secured against loosening.
- the rolling operation can be started.
- the pull-off process shown in FIG. 3 takes place in the reverse order, but otherwise in accordance with the above-described placement of the changing device 16 - which, however, is carried out by loosening the holding segment 15 from the ring nut 12.
- pressure is applied to the pressure ring 11 and the ring nut 12 is relieved, which can then be loosened, so that the holding segment 15 (cf. therefore not shown in FIG. 3) (cf. 1).
- the bearing unit 3 is unlocked by rotating the locking ring 10 by 45 °.
- the changing device 16 held on the inner claws 18 on the support roller 1 pulls the intermediate ring 6, and thus the entire bearing unit 3 with the journal bushings 24, over the outer claws 17, which now rest against the locking projections 8 of the intermediate ring 6 Cone of the roll neck 2 from, as shown in Figure 3.
- the hydraulic pressure can be switched off and the changing device 16 can be removed, as described in connection with the winding according to FIG. 1.
- the bearing unit 3 with the chock 4 and the thrust bearing 5 is then free to be gently removed from the support roller 1.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Mounting Of Bearings Or Others (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Rotary Presses (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19945070A DE19945070A1 (de) | 1999-09-20 | 1999-09-20 | Vorrichtung zum Auf- und Abziehen einer Stützwalzen-Lagereinheit |
DE19945070 | 1999-09-20 | ||
PCT/EP2000/009058 WO2001021333A2 (fr) | 1999-09-20 | 2000-09-16 | Dispositif pour installer et retirer un palier d'un cylindre d'appui |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1214158A2 true EP1214158A2 (fr) | 2002-06-19 |
EP1214158B1 EP1214158B1 (fr) | 2003-10-22 |
Family
ID=7922676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00962495A Expired - Lifetime EP1214158B1 (fr) | 1999-09-20 | 2000-09-16 | Dispositif pour installer et retirer un palier d'un cylindre d'appui |
Country Status (14)
Country | Link |
---|---|
US (1) | US7082800B1 (fr) |
EP (1) | EP1214158B1 (fr) |
JP (1) | JP4579475B2 (fr) |
KR (1) | KR100709900B1 (fr) |
CN (1) | CN1191890C (fr) |
AT (1) | ATE252422T1 (fr) |
BR (1) | BR0013865A (fr) |
CA (1) | CA2387989A1 (fr) |
DE (2) | DE19945070A1 (fr) |
ES (1) | ES2209983T3 (fr) |
MX (1) | MXPA02003008A (fr) |
RU (1) | RU2251461C2 (fr) |
TW (1) | TW473406B (fr) |
WO (1) | WO2001021333A2 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7836581B2 (en) | 2003-07-31 | 2010-11-23 | Sms Siemag Aktiengesellschaft | Device for installing and removing a roller supporting a bearing assembly |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6575638B2 (en) | 2000-09-28 | 2003-06-10 | Morgan Construction Company | Bayonet roll end adaptor |
ITMI20011859A1 (it) * | 2001-09-04 | 2003-03-04 | Danieli Off Mecc | Dispositivo idraulico di montaggio e smontaggio rapido di cuscinetti di cilindri di laminazione e relativo metodo di impiego |
DE102005022440A1 (de) * | 2005-05-14 | 2006-11-16 | Sms Demag Ag | Vorrichtung zur Drehverriegelung einer, in den Ständerfenstern von Walzgerüsten in Lagereinbaustücken lagernden Walzwerkswalze |
DE102006019448A1 (de) | 2006-04-24 | 2007-10-25 | Sms Demag Ag | Abziehvorrichtung |
CN100506418C (zh) * | 2006-07-06 | 2009-07-01 | 宝山钢铁股份有限公司 | 支承辊分体内套或分体轴承的组装联接装置 |
US7857522B2 (en) * | 2007-01-31 | 2010-12-28 | Siemens Industry, Inc. | Rolling mill oil film bearing |
US7500374B2 (en) * | 2007-04-03 | 2009-03-10 | Morgan Construction Company | Apparatus for urging an oil film bearing onto and off of a roll neck in a rolling mill |
DE102009060640A1 (de) * | 2009-07-07 | 2011-01-13 | Sms Siemag Ag | Clusterarmanordnung für die Zwischenwalzensätze von 18 HS Walzgerüsten |
CN101781694B (zh) * | 2010-03-23 | 2011-07-13 | 中冶宝钢技术服务有限公司 | 拆装倒运小车 |
DE102014224734A1 (de) * | 2014-12-03 | 2016-06-09 | Takraf Gmbh | Zweiwalzen-Rollenpresse mit Axiallagerkonstruktion |
DE102017217562A1 (de) * | 2017-06-01 | 2018-12-06 | Sms Group Gmbh | Lagerverschlussvorrichtung und Verfahren zu deren Betrieb |
DE102017216547A1 (de) * | 2017-09-19 | 2019-03-21 | Sms Group Gmbh | Walzgerüst |
KR102241431B1 (ko) | 2019-04-19 | 2021-04-16 | 주식회사기성이엔지 | 베어링이 융착된 백업롤로부터 쵸크를 분리하기 위한 쵸크 가공장치 |
US11478831B2 (en) * | 2020-03-04 | 2022-10-25 | Primetals Technologies USA LLC | Mechanical high speed roll change system for use with robotic roll change system |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5825523B2 (ja) * | 1976-03-12 | 1983-05-27 | 東芝機械株式会社 | チヨツク固定解除装置 |
JPS5343062A (en) * | 1976-09-30 | 1978-04-18 | Ishikawajima Harima Heavy Ind | Roll axle box detachable device in rolling mill |
US4286830A (en) | 1979-09-24 | 1981-09-01 | Morgan Construction Company | Combination roll neck and bearing assembly |
US4352229A (en) | 1980-09-18 | 1982-10-05 | Bethlehem Steel Corporation | Bearing retaining and positioning means |
DE19503682C1 (de) * | 1995-01-30 | 1996-05-02 | Mannesmann Ag | Schnellwechselvorrichtung für Walzscheiben |
JP3169338B2 (ja) * | 1996-05-30 | 2001-05-21 | 川崎製鉄株式会社 | ロールチョックの着脱方法およびその装置 |
US6415489B1 (en) * | 1999-07-29 | 2002-07-09 | Morgan Construction Company | Hydraulically actuated tool for mounting and dismounting rolling mill roll neck bearings |
-
1999
- 1999-09-20 DE DE19945070A patent/DE19945070A1/de not_active Withdrawn
-
2000
- 2000-08-28 TW TW089117364A patent/TW473406B/zh active
- 2000-09-16 RU RU2002110462/02A patent/RU2251461C2/ru not_active IP Right Cessation
- 2000-09-16 WO PCT/EP2000/009058 patent/WO2001021333A2/fr active IP Right Grant
- 2000-09-16 JP JP2001524747A patent/JP4579475B2/ja not_active Expired - Fee Related
- 2000-09-16 CN CNB008131422A patent/CN1191890C/zh not_active Expired - Fee Related
- 2000-09-16 US US10/088,286 patent/US7082800B1/en not_active Expired - Lifetime
- 2000-09-16 CA CA002387989A patent/CA2387989A1/fr not_active Abandoned
- 2000-09-16 KR KR1020027003466A patent/KR100709900B1/ko not_active IP Right Cessation
- 2000-09-16 AT AT00962495T patent/ATE252422T1/de active
- 2000-09-16 DE DE50004194T patent/DE50004194D1/de not_active Expired - Lifetime
- 2000-09-16 BR BR0013865-7A patent/BR0013865A/pt not_active IP Right Cessation
- 2000-09-16 MX MXPA02003008A patent/MXPA02003008A/es active IP Right Grant
- 2000-09-16 EP EP00962495A patent/EP1214158B1/fr not_active Expired - Lifetime
- 2000-09-16 ES ES00962495T patent/ES2209983T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0121333A2 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7836581B2 (en) | 2003-07-31 | 2010-11-23 | Sms Siemag Aktiengesellschaft | Device for installing and removing a roller supporting a bearing assembly |
Also Published As
Publication number | Publication date |
---|---|
ATE252422T1 (de) | 2003-11-15 |
KR20020060699A (ko) | 2002-07-18 |
RU2251461C2 (ru) | 2005-05-10 |
US7082800B1 (en) | 2006-08-01 |
EP1214158B1 (fr) | 2003-10-22 |
JP2003509216A (ja) | 2003-03-11 |
DE19945070A1 (de) | 2001-03-22 |
DE50004194D1 (de) | 2003-11-27 |
WO2001021333A3 (fr) | 2001-10-11 |
ES2209983T3 (es) | 2004-07-01 |
CN1191890C (zh) | 2005-03-09 |
MXPA02003008A (es) | 2002-10-23 |
WO2001021333A2 (fr) | 2001-03-29 |
TW473406B (en) | 2002-01-21 |
RU2002110462A (ru) | 2004-03-20 |
CN1374892A (zh) | 2002-10-16 |
BR0013865A (pt) | 2002-05-14 |
JP4579475B2 (ja) | 2010-11-10 |
KR100709900B1 (ko) | 2007-04-24 |
CA2387989A1 (fr) | 2001-03-29 |
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