US3627388A - Hydraulic locking and loosening device for bearing - Google Patents

Hydraulic locking and loosening device for bearing Download PDF

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Publication number
US3627388A
US3627388A US70445A US3627388DA US3627388A US 3627388 A US3627388 A US 3627388A US 70445 A US70445 A US 70445A US 3627388D A US3627388D A US 3627388DA US 3627388 A US3627388 A US 3627388A
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US
United States
Prior art keywords
collar
roll neck
bearing
circular
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.)
Expired - Lifetime
Application number
US70445A
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English (en)
Inventor
Lewis C Jennings
Robert W Tappin
Samuel S Rickley
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.)
Siemens Industry Inc
Original Assignee
Morgan Construction Co
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 Morgan Construction Co filed Critical Morgan Construction Co
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Publication of US3627388A publication Critical patent/US3627388A/en
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
    • B21B31/07—Adaptation of roll neck bearings
    • B21B31/074—Oil film bearings, e.g. "Morgoil" bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
    • F16C13/02—Bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/08—Attachment of brasses, bushes or linings to the bearing housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/078—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing using pressure fluid as mounting aid
    • 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
    • B21B2203/28—Mounting or dismounting bearing and chock as a unit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2322/00—Apparatus used in shaping articles
    • F16C2322/12—Rolling apparatus, e.g. rolling stands, rolls

Definitions

  • rolling material ordinarily metal
  • the bearings have taken various forms, such as the oil film bearing shown and described in the patent to Dahlstrom, U.S. Pat. No. 2,018,055, or that illustrated in the patent to Morgan et al. U.S. Pat. No. 2,654,642 in which the lubricant is water.
  • Other types that have been used are ball or roller bearings.
  • One of the problems present, regardless of the particular type of bearing that has been used, is that of having easily operable mechanism capable of forcing the bearing tightly on the roll neck, holding it in secured position during the operation of the roll and other mechanism capable of pulling the bearing free from the roll neck when the roll is being changed.
  • Johnson US. Pat. No. 3,108,839 shows hydraulically actuated means for removing a roller-type bearing from a cylindrical roll neck.
  • Cook US. Pat. No. 3,361,498 shows hydraulic mechanism interposed between the roll proper and the tapered roll neck for removing a roller bearing.
  • the hydraulic means for applying and removing the bearing is independent of the bearing, so that when the bearing is removed, the hydraulic mechanism must be handled separately.
  • the hydraulic mechanism is interconnected with the bearing in such manner that when the bearing is removed the hydraulic mechanism remains connected therewith so that the bearing unit is ready for immediate use with a new roll.
  • the means for locking the bearing in place after it has been hydraulically forced into position is also an integral part of the unit requiring separate application or removal.
  • the hydraulic system comprises two cylindrical cylinders and two corresponding cylindrical pistons all of which are part of the same mechanism which is applied to and held in position on the extension of the roll neck.
  • the hydraulic system may be used to apply and remove a bearing from a cylindrical roll neck or a tapered roll neck.
  • the construction is especially suitable for use with a bearing of the oil film type mounted on a tapered roll neck but is not limited thereto.
  • FIG. I is a vertical section showing one form of the invention used with an oil film bearing on a tapered roll neck. The parts are shown in the bearing-applying position.
  • FIG. 2 is similar to FIG. 1 except that the hydraulic system is shown in the bearing removal position.
  • FIG. 3 shows an alternative form of the invention with the parts in bearing-applying position.
  • FIG. 4 is a view similar to FIG. 3 showing the parts in bearing removal position.
  • FIG. 5 is a view similar to FIG. 3 but rotated 15 therefrom to illustrate the locking means.
  • FIG. 6 is a fragmentary vertical section taken on the line 7- 7 of FIGS. 4 and 5 to illustrate the position of the locking pins and piston retracting pins and springs.
  • FIGS. 1 and 2 the hydraulic positioning and removing mechanism is shown in conjunction with an oil-filmtype bearing mounted on a tapered roll neck.
  • the roll neck 2 of the roll terminates at a shoulder 4 and from this shoulder runs an extension 6 with a further extension 8 of reduced diameter to create a shoulder 10.
  • Near the end 12 of extension 8 is a groove 14.
  • the oil film bearing comprises an inner sleeve 16 tapered as at 18 to fit exactly on the tapered surface 20 of roll neck 2.
  • Sleeve 16 has an outer cylindrical bearing surface 22 which makes sliding engagement with the interior surface 24 of the fixed bushing 26.
  • Bushing 26 is in turn mounted in a fixed chock 28.
  • sleeve 16 has a circumferential end flange 30 large enough to be engaged by the end 32 of bushing 26.
  • bushing 26 has a circumferential end flange 34 which is engaged by the end portion 36 of chock 28.
  • sleeve ring 38 Within the overhanging end of sleeve I6 is a sleeve ring 38 which fits tightly as at 40. A circumferential flange 42 overlaps the end of sleeve 16. At the end of chock 28 is a circular extension 44 to which is bolted a chock ring 46.
  • the extension 8 has mounted thereon in closely fitting relation a collar 48.
  • This collar is threaded for a limited distance as at 50 and has about its circumference a substantial flange 52.
  • a circular piston generally referred to at 54 which has an interior circumferential groove 56 of longitudinal dimension substantially greater than the thickness of flange 52.
  • the wall of groove 56 fits closely about flange 52.
  • the space between is sealed by O ring 57.
  • the lefthand end of the piston 54 indicated at 58 is removable from the piston body to permit assembly or disassembly but normally is held in fixed relationship by a plurality of bolts 60 spaced about the circumference of the circular end element 58.
  • element 58 at its end, as at 62, is such that it may engage directly the face 64 at the inner periphery of sleeve ring 38.
  • the outer circumferential flange 66 of element 58 is of such dimension as to engage directly against face 68 about the inner periphery of chock ring 46.
  • the body of piston 54 contains a first passageway 78 (see FIG. I) which leads from a hydraulic connection 80 to a transverse passage 82 that feeds into the circumferential space 84.
  • a few degrees away fnm passageway 78 is a second passageway 86 (see FIG. 2) leading from hydraulic connection 88 to a passage 90 feeding into the circular space 92.
  • Cylinder 84 may receive hydraulic fluid under pressure via connection 80
  • cylinder 92 may receive hydraulic fluid under pressure via connection 88.
  • the clamp ring 72 When the bearing and related elements are to be applied to a roll, the clamp ring 72 will be temporarily removed as illustrated in FIG. 2.
  • the sleeve 16 is then directed to a position on roll neck 2, and the collar 48 is guided so as to be placed on extension 8. Since collar 48 is substantially the same length as extension 8, it may initially assume the position shown in FIG. 2 after which the clamp ring 72 may be placed and secured in position in groove 14.
  • the locknut 98 will at this time be in partially unscrewed position as shown in FIG. 2. Hydraulic fluid is then fed to cylinder 84 through hose connection 80. This drives wall 52 to the right causing end 76 of collar 48 to engage against clamp ring 72.
  • FIGS. 3, 4, 5 and 6 A second species of the invention is shown in FIGS. 3, 4, 5 and 6.
  • the main distinction of this species over the one shown in FIGS. 1 and 2 is that the cylindrical cylinders and pistons are of unequal diameters and the two pistons are made in separate parts instead of being integrally formed as in FIGS. 1 and 2. These differences will be explained in detail as the description proceeds.
  • a second passage 132 an angular distance away from passage I16 leads to cylinder I12.
  • Suitable connection for a hydraulic supply is provided at I34 at the entrance to passage 132.
  • the push-pull mechanism of either of the two species illustrated may be used without inclusion of thrust bearings as in FIGS. 1 and 2 or with thrust bearings as in FIGS. 3, 4 and 5.
  • a roll having a roll neck and extension therefrom and a unitary bearing structure
  • said structure comprising a rotatable inner member and a stationary outer member, a collar dimensioned to fit on said roll neck extension and rotatable therewith, means permitting limited movement of said collar axially in either direction on said extension, said collar having associated therewith first and second circular cylinders and first and second cooperating circular pistons adapted to coact with said cylinders, means for supplying hydraulic fluid under pressure selectively to one or the other of the circular cylinders, the first circular piston when actuated by said fluid adapted to apply axial force through intermediate means in one direction against the inner member of said bearing structure, the second circular piston when actuated by said fluid adapted to apply axial force through other intermediate means in the other direction to the outer member of said bearing structure, and additional means for locking said inner bearing member in the extreme position to which it may be moved on said roll neck by said first circular piston, said additional means comprising means associated with said collar and movable in the direction of said inner bearing member
  • said limiting means comprising a shoulder adjacent said roll neck and removable means afiixed to the free end of said extension, said collar having an exterior circular flange located intermediate its ends, a nut threaded on said collar at its outer end, a piston in the form of a second circular collar closely fitting on said first collar and having a cylindrical mterior groove whose axial length is substantially greater than the width of said flange, the interior wall of said groove slidingly engaging the exterior surface of said flange, sealing means between the ends of said first and second collars and between said flange and interior groove wall, a first passageway in said second collar for introducing hydraulic fluid into the circular space on the roll neck side of said flange to force said first collar against said removable means and said second collar toward said roll neck, means interposed between said second collar and interior bearing element whereby movement of said second collar toward said roll neck will force said interior bearing element tightly onto said roll neck, said nut being adapted to be screwed along said first collar to
  • said means permitting limited motion of said collar on said extension comprising a shoulder on said extension between said collar and roll neck engageable by one end of said collar and a removable ring on said extension engageable by the other end of said collar.
  • said second collar being made of two circular pieces separably secured together, that piece nearer said roll neck acting upon operation of said second collar toward said roll neck to engage said interposed means, and upon operation of said second collar away from said roll neck to engage said interlocking means.
  • said interlocking means comprising a chock ring secured to said outer stationary bearing element and having its inner periphery overlapping part of said second collar on the side away from said roll.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Support Of The Bearing (AREA)
US70445A 1970-09-08 1970-09-08 Hydraulic locking and loosening device for bearing Expired - Lifetime US3627388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7044570A 1970-09-08 1970-09-08

Publications (1)

Publication Number Publication Date
US3627388A true US3627388A (en) 1971-12-14

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ID=22095325

Family Applications (1)

Application Number Title Priority Date Filing Date
US70445A Expired - Lifetime US3627388A (en) 1970-09-08 1970-09-08 Hydraulic locking and loosening device for bearing

Country Status (6)

Country Link
US (1) US3627388A (enExample)
BE (1) BE772307A (enExample)
CA (1) CA968838A (enExample)
DE (1) DE2144711A1 (enExample)
FR (1) FR2106368B1 (enExample)
GB (1) GB1366324A (enExample)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4384748A (en) * 1979-08-31 1983-05-24 Kawasaki Steel Corporation Oil film bearing for rolling roll for producing rolled sheets having a low deviation of sheet thickness
EP0233596A3 (en) * 1986-02-21 1988-01-13 Sms Schloemann-Siemag Aktiengesellschaft Shaft trunnion with a bayonet closure, particularly for mounting the interior cylinder of a hydraulic removing device for roll bearings on the roll neck
WO1998049454A1 (en) * 1997-04-25 1998-11-05 SSAB Oxelösund AB An arrangement and a method for mounting and dismounting a bearing of a heavy roll
AU747718B2 (en) * 1999-07-29 2002-05-23 Siemens Industry, Inc. Hydraulically actuated tool for mounting and dismounting rolling mill neck bearings
EP1132170A3 (de) * 2000-03-07 2002-09-25 Gebr. Heller Maschinenfabrik GmbH Lager für eine Gewindespindel, insbesondere einer Bearbeitungsmaschine
US20030177806A1 (en) * 2000-09-18 2003-09-25 Gethings Michael Shaun Brian Fastening apparatus and method
US20070089470A1 (en) * 1998-04-15 2007-04-26 Gunter Kneppe Roll stand with axially displaceable rolls
US20080244886A1 (en) * 2007-04-03 2008-10-09 Martins Armando S Apparatus for urging an oil film bearing onto and off of a roll neck in a rolling mill
CN102513968A (zh) * 2011-12-19 2012-06-27 太原重工股份有限公司 一种用于轧机油膜轴承锁紧及拆卸的装置
GB2537378A (en) * 2015-04-14 2016-10-19 Primetals Tech Ltd Bearing system and method
US20190101161A1 (en) * 2016-04-08 2019-04-04 Sms Group Gmbh Device and method for mounting a bearing on a roll neck and for removing the bearing from the roll neck

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4341426A (en) * 1980-10-22 1982-07-27 The Timken Company Clamp-up device for roll neck bearings
DE3316289A1 (de) * 1983-05-04 1984-11-08 Uwe 2104 Hamburg Kark Verbundwalze mit einem mittels einer konushuelse auf dem walzenkern gehaltenen walzenring
WO2025235023A1 (en) * 2024-05-10 2025-11-13 Primetals Technologies USA LLC Hydraulic locking system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2018055A (en) * 1931-08-07 1935-10-22 Morgan Construction Co Bearing construction for rolling mills and the like

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2018055A (en) * 1931-08-07 1935-10-22 Morgan Construction Co Bearing construction for rolling mills and the like

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4384748A (en) * 1979-08-31 1983-05-24 Kawasaki Steel Corporation Oil film bearing for rolling roll for producing rolled sheets having a low deviation of sheet thickness
EP0233596A3 (en) * 1986-02-21 1988-01-13 Sms Schloemann-Siemag Aktiengesellschaft Shaft trunnion with a bayonet closure, particularly for mounting the interior cylinder of a hydraulic removing device for roll bearings on the roll neck
US4733458A (en) * 1986-02-21 1988-03-29 Sms Schloemann-Siemag Aktiengesellschaft Bayonet coupling for axially mounting a ring-shaped member on a shaft stub
AU584269B2 (en) * 1986-02-21 1989-05-18 Sms Schloemann-Siemag Aktiengesellschaft Bayonet coupling for axially mounting a ring-shaped member on a shaft stub
WO1998049454A1 (en) * 1997-04-25 1998-11-05 SSAB Oxelösund AB An arrangement and a method for mounting and dismounting a bearing of a heavy roll
US20070089470A1 (en) * 1998-04-15 2007-04-26 Gunter Kneppe Roll stand with axially displaceable rolls
AU747718B2 (en) * 1999-07-29 2002-05-23 Siemens Industry, Inc. Hydraulically actuated tool for mounting and dismounting rolling mill neck bearings
US6415489B1 (en) 1999-07-29 2002-07-09 Morgan Construction Company Hydraulically actuated tool for mounting and dismounting rolling mill roll neck bearings
EP1132170A3 (de) * 2000-03-07 2002-09-25 Gebr. Heller Maschinenfabrik GmbH Lager für eine Gewindespindel, insbesondere einer Bearbeitungsmaschine
US6892562B2 (en) * 2000-09-18 2005-05-17 Tentec Limited Fastening apparatus and method
US20050005663A1 (en) * 2000-09-18 2005-01-13 Brian Gethings Michael Shaun Fastening apparatus and method
US7017381B2 (en) * 2000-09-18 2006-03-28 Michael Shaun Brian Gethings Fastening apparatus and method
US20030177806A1 (en) * 2000-09-18 2003-09-25 Gethings Michael Shaun Brian Fastening apparatus and method
US20080244886A1 (en) * 2007-04-03 2008-10-09 Martins Armando S Apparatus for urging an oil film bearing onto and off of a roll neck in a rolling mill
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
CN102513968A (zh) * 2011-12-19 2012-06-27 太原重工股份有限公司 一种用于轧机油膜轴承锁紧及拆卸的装置
GB2537378A (en) * 2015-04-14 2016-10-19 Primetals Tech Ltd Bearing system and method
GB2537378B (en) * 2015-04-14 2017-04-26 Primetals Tech Ltd Bearing system and method
US10184516B2 (en) 2015-04-14 2019-01-22 Primetals Technologies, Limited Bearing system and method
US20190101161A1 (en) * 2016-04-08 2019-04-04 Sms Group Gmbh Device and method for mounting a bearing on a roll neck and for removing the bearing from the roll neck
US10914344B2 (en) * 2016-04-08 2021-02-09 Sms Group Gmbh Device and method for mounting a bearing on a roll neck and for removing the bearing from the roll neck

Also Published As

Publication number Publication date
DE2144711A1 (de) 1972-03-09
CA968838A (en) 1975-06-03
FR2106368B1 (enExample) 1974-10-31
GB1366324A (en) 1974-09-11
BE772307A (fr) 1972-01-17
FR2106368A1 (enExample) 1972-05-05

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