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WO2012104031A1 - Palier lisse pour pivot d'arbre - Google Patents

Palier lisse pour pivot d'arbre Download PDF

Info

Publication number
WO2012104031A1
WO2012104031A1 PCT/EP2012/000322 EP2012000322W WO2012104031A1 WO 2012104031 A1 WO2012104031 A1 WO 2012104031A1 EP 2012000322 W EP2012000322 W EP 2012000322W WO 2012104031 A1 WO2012104031 A1 WO 2012104031A1
Authority
WO
WIPO (PCT)
Prior art keywords
plain bearing
bearing bush
sliding
cylindrical
shaft journal
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.)
Ceased
Application number
PCT/EP2012/000322
Other languages
German (de)
English (en)
Inventor
Christian GROTHE
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.)
Voith Patent GmbH
Original Assignee
Voith Patent 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 Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of WO2012104031A1 publication Critical patent/WO2012104031A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • F16C33/14—Special methods of manufacture; Running-in
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/003—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F16C17/028—Sliding-contact bearings for exclusively rotary movement for radial load only with fixed wedges to generate hydrodynamic pressure, e.g. multi-lobe 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
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/1045—Details of supply of the liquid to the bearing
    • 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
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/1075—Wedges, e.g. ramps or lobes, for generating pressure
    • 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
    • F16C2220/00—Shaping
    • F16C2220/60—Shaping by removing material, e.g. machining
    • F16C2220/62—Shaping by removing material, e.g. machining by turning, boring, drilling
    • 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
    • F16C2360/00—Engines or pumps
    • F16C2360/23—Gas turbine engines
    • F16C2360/24—Turbochargers

Definitions

  • the invention relates to a sliding bearing for a shaft journal after in the
  • the invention relates to a method for producing such a plain bearing and the use of such a plain bearing.
  • Plain bearings are known from the general state of the art. They typically consist of a plain bearing bush, which encloses a shaft or a shaft journal. The shaft journal then runs in this
  • Plain bearing bushing generally on a lubricating film, which builds up in the plain bearing bush, for example by supplied lubricant accordingly.
  • it can very easily lead to a rocking of the shaft journal in the radial direction within the sliding bearing, resulting in an increased
  • cylindrical plain bearings have a higher hydrodynamic load capacity and a higher damping and thus a higher rigidity. Characterized in that typically three or more peripheral sections with different
  • Diameters as they are typically used in industrial drive technology, to realize with reasonable effort. For small shaft diameter and correspondingly high numbers of such multi-surface plain bearings are usually out of question for manufacturing and / or cost reasons. Especially with high-speed waves, such as those in
  • this object is achieved by a sliding bearing with the features in the characterizing part of claim 1.
  • a particularly simple and efficient method for producing such a sliding bearing is in
  • the sliding bearing according to the invention for a shaft journal is designed in the manner of a multi-surface sliding bearing.
  • the opening in the plain bearing bush is formed by at least three cylindrical bores, wherein the center axes of the at least three cylindrical bores are each arranged eccentrically to the central axis of the plain bearing bush.
  • the opening in the plain bearing bush is thus according to the
  • Invention formed with a very simple geometry by at least three eccentrically arranged holes. This results in a peripheral shape of the opening of the plain bearing bush, which has an effect in the manner of
  • Plain bearing even in applications with relatively small diameters, for example, less than 30 - 50 mm, for example, for storage of the impeller or rotor shaft in an exhaust gas turbocharger or Tu rbocom pou nd system.
  • the three cylindrical bores in each case have the same diameter. You can be arranged radially offset according to an advantageous development in each case by a distance of the same amount to the central axis of the plain bearing bush. In addition, they can according to a special
  • This structure can optionally still with a radially extending through the plain bearing bushing for lubricant supply in at least one area in which the diameter of the opening in the
  • Plain bearing bush is maximum, be provided.
  • a slide bearing is then formed in the manner of a multi-surface sliding bearing, which has all the advantages of a conventional multi-surface plain bearing in its functionality, and which is particularly simple and efficient to manufacture.
  • the inventive method for producing such a plain bearing may in particular be designed so that the at least three cylindrical
  • the slide bearing bushing is held on a multi-jaw chuck, in particular a three-jaw chuck, wherein for introducing the respective cylindrical bore in each case another of the jaws of the chuck with an allowance is provided.
  • a multi-jaw chuck in particular a multi-jaw chuck with a number of jaws corresponding to the number of cylindrical bores, can be used ideally to produce the plain bearing bushing of the plain bearing according to the invention.
  • One of the jaws is fitted with a corresponding allowance - e.g. through a
  • the oversize is made so thick that it is in its amount the path corresponds to the respective cylindrical bore relative to the central axis of the plain bearing bush is to be performed radially offset.
  • the plain bearing bushing then undergoes a rotating or drilling machining, through which the first cylindrical bore is introduced into the plain bearing bush. Thereafter, the allowance is applied to the next of the jaws and the same processing is repeated.
  • clamping is preferably done in a three-jaw chuck. Once each jaw has been provided with the allowance, the plain bearing bush is finished after the insertion of the third cylindrical bore.
  • Method can be introduced in a first step in the plain bearing bushing first a cylindrical central bore before the at least three eccentric cylindrical holes are introduced. This facilitates the production, in particular when turning is used as an exciting machining method.
  • the sliding bearing according to the invention can be produced easily and efficiently even with comparatively small diameters. It therefore lends itself as Mehr lakegleitlager for the shaft of an impeller or a rotor in an exhaust gas turbocharger or a
  • Fig. 1 is a Mehrphilgleitlager according to the prior art
  • Fig. 2 shows a plain bearing according to the invention in a principle
  • Fig. 7 is an exemplary illustration of the use of
  • a plain bearing 1 is shown as a multi-surface plain bearing according to the prior art.
  • This consists essentially of a plain bearing bush 2 and a bearing shell, which has a shaft journal 3 surrounds for storage.
  • the shaft journal 3 lies in an opening 4 of the bearing bush 2.
  • This opening 4 has around the circumference several different sections with different diameters, so that between the shaft journal 3 and the plain bearing bush 2 around the circumference different gap widths between the shaft journal 3 and the plain bearing bushing 2 train.
  • a lubricant for example, a lubricating oil supplied.
  • a plain bearing 1 according to the invention can be seen in a simple schematic diagram.
  • This plain bearing 1, which has been omitted here on the representation of the shaft journal 3, is constructed so that the opening 4 is formed of three cylindrical bores, which are arranged eccentrically relative to the plane perpendicular to the plane shown center axis MA of the plain bearing bush 2.
  • the opening 4 is formed of three cylindrical bores, which are arranged eccentrically relative to the plane perpendicular to the plane shown center axis MA of the plain bearing bush 2.
  • the plain bearing bushing 2 should act in the manner of a multi-surface plain bearing.
  • comparatively large numbers of plain bearing bush 2 with the very simple profile can be produced simply and efficiently.
  • the functionality of a multi-surface plain bearing can thus be much more cost-effective than in the structure according to the prior art and can in particular also for small diameters -. Diameters of less than 30 - 50 mm - are used, which would be much too small for conventional sliding bearings according to the prior art.
  • FIGS. 3 to 6 individual steps for producing the plain bearing bush 2 for a plain bearing 1 according to the invention are shown. In the production of a machining in the form of turning is assumed. In principle, of course, a drilling or the like would be possible.
  • the plain bearing bush 2 For turning, it is particularly simple and efficient to produce the plain bearing bush 2 in four individual steps.
  • the first single step is optional and could be omitted in principle.
  • the plain bearing bushing 1 is centrally clamped in a three-jaw chuck 9, of which only the three jaws 9.1, 9.2 and 9.3 can be seen.
  • a central bore is then introduced as the first part of the opening 4 in the plain bearing bush 2.
  • the plain bearing bush 2 is then clamped eccentrically. This is in the illustrated embodiment achieved in that on one of the clamping jaws, here on the clamping jaws 9.1, an allowance 10 is introduced before tightening the plain bearing bush.
  • a second bore is then screwed eccentrically to the first bore in the plain bearing bush 2.
  • the section hatched vertically from top to bottom in the illustration of FIG. 4 is turned out.
  • Embodiment with three cylindrical holes results in an angle of offset of 120 degrees. For four holes it would be 90 degrees, for six cylindrical holes 60 degrees and so on.
  • the maximum diameter of the opening 4 of the plain bearing bush 2 remains smaller than the sum of the diameter of the cylindrical bores and in any case twice the amount of the radial offset of the cylindrical bores with respect to the central axis MA of the plain bearing bush 2.
  • channels 5 can be drilled radially through the plain bearing bush 2, especially in the areas in which the opening 4 has its largest diameter.
  • these would each be three areas arranged offset from each other by the angle of 120 degrees. Whether the areas must be arranged left or right of the resulting surveys between the three individual eccentric holes depends on the direction of rotation of the shaft journal 3. It is namely in each case to make sure that in the direction of rotation of the shaft journal 3 after the survey, the supply of lubricating oil, as an ideal
  • the plain bearing bush 2 for the sliding bearing 1 according to the invention can be produced simply and efficiently.
  • the structure is no longer limited to correspondingly large diameter of shaft journal 3 and plain bearing bush 2 as in the prior art, but can also be small
  • a preferred use of the sliding bearing 1 is shown. This use should be for the storage of the shaft journal 3 or the shaft 3 of a turbine wheel 11 in an exhaust gas turbocharger or turbocompound system 12 only partially shown.
  • the shaft 3 would carry only the turbine wheel 11 and would be at its other end, not shown here, for example via a hydrodynamic coupling with a crankshaft of an engine, which the exhaust gas for driving the turbine wheel 11 supplies connected.
  • the shaft 3 would typically be the shaft of the so-called rotor, which, in addition to the turbine wheel 11 shown here, would carry a compressor wheel on the other side of the shaft 3.
  • Such a shaft 3 could then be described above one or more of the plain bearings 1 in the above

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sliding-Contact Bearings (AREA)
  • Supercharger (AREA)

Abstract

L'invention concerne un palier lisse pour un pivot d'arbre, qui est conçu sous forme de palier lisse multiface et présente au moins deux segments périphériques comportant différents diamètres. Ledit palier lisse présente un coussinet comportant une ouverture pour le pivot d'arbre, ce dernier s'étendant dans le coussinet de palier lisse. L'invention se caractérise en ce que l'ouverture est formée par au moins trois trous cylindriques, les axes médians des au moins trois trous cylindriques étant agencés de manière excentrée par rapport à l'axe médian du coussinet de palier lisse.
PCT/EP2012/000322 2011-02-04 2012-01-25 Palier lisse pour pivot d'arbre Ceased WO2012104031A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011010404.6 2011-02-04
DE102011010404A DE102011010404A1 (de) 2011-02-04 2011-02-04 Gleitlager für einen Wellenzapfen

Publications (1)

Publication Number Publication Date
WO2012104031A1 true WO2012104031A1 (fr) 2012-08-09

Family

ID=45571491

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/000322 Ceased WO2012104031A1 (fr) 2011-02-04 2012-01-25 Palier lisse pour pivot d'arbre

Country Status (2)

Country Link
DE (1) DE102011010404A1 (fr)
WO (1) WO2012104031A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014221153A1 (de) * 2014-10-17 2016-04-21 Siemens Aktiengesellschaft Mehrflächengleitlager
CN106286574A (zh) * 2016-09-18 2017-01-04 珠海凌达压缩机有限公司 一种动压轴承、具有其的法兰及压缩机

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112015001775B4 (de) * 2014-04-11 2020-07-09 Borgwarner Inc. Mehrteiliges Radiallager
DE102018222603A1 (de) * 2018-12-20 2020-06-25 Robert Bosch Gmbh Folienlager

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3332357C1 (de) * 1983-09-08 1985-04-04 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Hydrostatisch-hydrodynamisches Hybrid-Mehrgleitflaechenradiallager
US4971459A (en) * 1990-03-23 1990-11-20 Ingersoll-Rand Company Journal bearing with high stiffness
FR2651845A1 (fr) * 1989-09-08 1991-03-15 Electricite De France Coussinet multilobe et depourvu de rainures d'alimentation pour palier hydrodynamique.
US5112145A (en) * 1990-01-18 1992-05-12 Detroit Diesel Corporation Piston and bearing assemblies
DE102007008142A1 (de) * 2006-08-25 2008-03-20 Minebea Co., Ltd. Verfahren zur Herstellung eines Mehrflächengleitlagers und Mehrflächengleitlager

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH665262A5 (de) * 1984-06-22 1988-04-29 Bbc Brown Boveri & Cie Kippsegmentradiallager.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3332357C1 (de) * 1983-09-08 1985-04-04 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Hydrostatisch-hydrodynamisches Hybrid-Mehrgleitflaechenradiallager
FR2651845A1 (fr) * 1989-09-08 1991-03-15 Electricite De France Coussinet multilobe et depourvu de rainures d'alimentation pour palier hydrodynamique.
US5112145A (en) * 1990-01-18 1992-05-12 Detroit Diesel Corporation Piston and bearing assemblies
US4971459A (en) * 1990-03-23 1990-11-20 Ingersoll-Rand Company Journal bearing with high stiffness
DE102007008142A1 (de) * 2006-08-25 2008-03-20 Minebea Co., Ltd. Verfahren zur Herstellung eines Mehrflächengleitlagers und Mehrflächengleitlager

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014221153A1 (de) * 2014-10-17 2016-04-21 Siemens Aktiengesellschaft Mehrflächengleitlager
CN106286574A (zh) * 2016-09-18 2017-01-04 珠海凌达压缩机有限公司 一种动压轴承、具有其的法兰及压缩机

Also Published As

Publication number Publication date
DE102011010404A1 (de) 2012-08-09

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