WO2020038655A1 - Élément d'appui pour un palier axial hydrodynamique et palier axial hydrodynamique - Google Patents

Élément d'appui pour un palier axial hydrodynamique et palier axial hydrodynamique Download PDF

Info

Publication number
WO2020038655A1
WO2020038655A1 PCT/EP2019/068934 EP2019068934W WO2020038655A1 WO 2020038655 A1 WO2020038655 A1 WO 2020038655A1 EP 2019068934 W EP2019068934 W EP 2019068934W WO 2020038655 A1 WO2020038655 A1 WO 2020038655A1
Authority
WO
WIPO (PCT)
Prior art keywords
segments
tread
starting element
element according
segment
Prior art date
Application number
PCT/EP2019/068934
Other languages
German (de)
English (en)
Inventor
Ümit Kutluay
Florian Lanz
Paul Granderath
Original Assignee
Zf Friedrichshafen Ag
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 Zf Friedrichshafen Ag filed Critical Zf Friedrichshafen Ag
Publication of WO2020038655A1 publication Critical patent/WO2020038655A1/fr

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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/047—Sliding-contact bearings for exclusively rotary movement for axial load only with fixed wedges to generate hydrodynamic 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
    • 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
    • F16C33/1065—Grooves on a bearing surface for distributing or collecting the liquid
    • 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
    • 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

Definitions

  • the invention relates to a starting element for a hydrodynamic axial bearing.
  • the invention further relates to a hydrodynamic axial bearing.
  • Thrust elements for hydrodynamic axial bearings usually have one
  • Running surface that forms a sliding pair with a counter-rotating surface of another component, such as a gearwheel or a shaft, which rotates relative thereto, in order to absorb axial forces emanating from the other component.
  • a lubricant such as, for example, lubricating oil, is also used to ensure low-friction operation of the
  • the running surface of the run-up elements is often provided with a profile which is intended to support the build-up of the lubricating film.
  • the profiling is usually designed in such a way that so-called wedge surfaces are present, which form a volume between the running surface and the counter-running surface, which favors the build-up of a hydrodynamic load pressure.
  • a basic starting element for a hydrodynamic axial bearing comprises a tread with a profile for generating a hydrodynamic
  • the start-up element can be present as an individual element and / or in bulk, or can be part of a housing on which the start-up element is formed, in particular molded on, or can be connected.
  • the thrust element is disc-shaped.
  • the thrust element has a central through opening and / or a ring shape or has the shape of a ring section or ring segment and is in particular designed to be attached with its inner circumference to a shaft or the like cylindrical component.
  • Start-up element round, in particular circular, and / or annular.
  • the thrust element is round, for example circular, on the circumferential or outer circumferential side and has, for example, one
  • the profiling has a segment structure which extends in the form of a segment around a center
  • first segments and second segments have alternating first segments and second segments, of which the first segments are at least partially offset from the second segments, that is to say recessed.
  • first segments and the second segments are each surface sections, for example flat or in
  • Segment-shaped is to be understood to mean that the alternating first segments and second segments form the segment-shaped profile, insofar as they run around the center.
  • the run-up element it is also provided in particular that at least one of the first segments is assigned a depression which tapers in cross section in the radial direction with respect to the center.
  • the depression can be pocket-shaped.
  • the depression can be elongated, for example in the form of a channel, the depression extending with its longitudinal extent in the radial direction.
  • Such a depression is assigned to segments. It has been shown that effective measures are taken by the segment structure, in particular the first segments, in combination with the radially tapering depression, which have a favorable effect on the hydrodynamic behavior of an axial plain bearing equipped with the thrust element.
  • the first segments which are recessed compared to the second segments, favor the creation of a hydrodynamically effective gap between the running surface of the thrust element and a flat counter surface, for example, of a component rotating relative to the thrust element, such as a shaft or a gearwheel, for example. in particular, by means of a lubricant, a hydrodynamic floating of the counter surface against the
  • the recess provided has a supporting effect on the supply of the lubricant into the gap. Due to the narrowing of the recess radially outwards, there is a
  • the depression in the radial direction with respect to the center, extends into a radially outer or outer edge region of the tread. Additionally or alternatively, it can be provided that in the radial direction with respect to the center, the depression runs through the radially outer edge region of the tread or a radially outer or outer edge region of the tread. In addition or as an alternative, provision can furthermore be made for the depression to extend in the radial direction with respect to the center through an outside of the run-up element, that is to say to form a passage radially outward.
  • the aim is to allow the outflow of lubricant via the recess, which builds up due to centrifugal forces, that the
  • At least one through opening which penetrates the thrust element transversely to the tread, is provided, which opens into one of the first segments.
  • a through opening is assigned to several or each of the first segments.
  • the through opening opens into one of the first segments in the region of a radially inner edge of the tread. This makes it possible for the centrifugal forces acting relative to the counter-running surface during the rotational movement of the running surface when the lubricant supplied via the through-opening is distributed in the gap between the
  • Treads can support. Additionally or alternatively, the through opening can be formed as a depression on a radially inner inside of the run-up element. This enables the lubricant to be supplied, for example, via a shaft on which the starting element
  • first segments form at least a first surface section of the tread and the second segments form a second surface section of the tread, the at least one first
  • the gap formed in each case by the first segments of the tread and a planar counter-running surface, for example, is thus wedge-shaped and with its wedge tip directed towards the second segment. This makes it possible to quickly build up a sliding film between the
  • the measure also aims that, according to a further embodiment, the at least one of the segments to which the depression is assigned has two first partial surfaces or partial surface sections, which form inclined surfaces that are oriented opposite one another. In this case, the two first partial surfaces should then run obliquely on the circumference from a respective edge of the depression to an edge of the respective adjacent, higher lying second segment.
  • the recess it is advisable for the recess to divide the associated first segment equally on the circumference or to essentially share the same parts.
  • the aim of this measure is to achieve hydrodynamic behavior that is as identical as possible in both directions of rotation in the case of an axial sliding bearing equipped with the starting element.
  • the depression can also be designed such that it divides the associated segment into unequal parts.
  • first segments and the second segments are provided in an equal, odd number. For example, five first segments and five second segments are provided. This counteracts a possible early component overload, since possible break points are avoided, which are favored in the case of an even number of first segments and second segments.
  • the run-up element comprises a front side and a rear side, which is arranged, for example, opposite the front side.
  • the tread is assigned to the front as the first tread and a second tread to the rear with a profiling that has a segment structure.
  • the starting element is designed to act hydrodynamically on two sides.
  • the tread is assigned to the rear as the first tread and the front is assigned a second tread with a profiling that has a segment structure.
  • Segment structure of the first tread correspond to each other. This measure aims at the bilaterally hydrodynamic embodiment of the
  • segment structure of the second tread and the segment structure of the first tread are aligned with respect to one another without rotational offset with respect to a common center. If the axial through opening described above is provided, at least one of the first segments of the other tread is in this way with it
  • segment structure of the second running surface and the segment structure of the first running surface have at most one such rotational offset with respect to a common center that at least one of the first segments of the first running surface and at least one of the first segments of the second running surface of one common
  • the passage opening can be the passage opening described above, which opens into a first segment of the tread or first tread.
  • the starting element can be an injection molded part or a forged part or an embossed part.
  • the first segments and the start element second segments of the segment structure of at least one tread or both treads are produced by machining surface machining.
  • a hydrodynamic thrust bearing includes that described above
  • the hydrodynamic axial bearing comprises at least one of the sliding partners, which cooperate with the thrust element, the
  • Sliding partner includes a counter surface that the one tread of
  • the hydrodynamic axial bearing is set up to allow the starting element and the at least one sliding partner to rotate relative to one another.
  • FIG. 1 shows a possible embodiment of a starting element 1 for a hydrodynamic axial bearing in a perspective view.
  • the run-up element 1 comprises a base body 2 with a front side 3 and a rear side 4.
  • the front side 3 is arranged opposite the rear side 4.
  • the front 3 and the rear 4 form
  • the run-up element 1 further comprises a running surface 5 which is provided with a profiling 6 for producing a
  • the profiling 6 can
  • the segment structure 8 preferably comprises alternating first segments 9 and second segments 10, which form the segment-shaped course around the center 7, the first segments 9 being at least partially recessed with respect to the second segments 10.
  • first segments 9 and second segments are provided.
  • At least one of the first segments 9 is preferably a depression 11
  • the recess 11 is pocket-shaped and / or formed by a channel.
  • the depression 11 is preferably elongated and has a longitudinal extent in the radial direction with respect to the center 7 and a cross section present transversely to the longitudinal direction.
  • the cross section preferably tapers radially outward.
  • one of the depressions 14 is assigned to one of the first segments 9.
  • the recess 11 divides the one of the first segments 9, in particular the associated first segment 9.1, circumferentially into the same or essentially the same
  • the first segments 9 preferably form at least a first surface section 20 of the tread 5 and the second segments 10 form a second
  • the at least one first surface section 20 is formed as an inclined surface running obliquely on the circumferential side relative to the second surface section 21.
  • the partial surfaces 17, 18 of the at least one first segment 9.1 to which the depression 11 is assigned have mutually oppositely oriented inclined surfaces, which extend circumferentially from a respective edge 22, 23 of the depression 11 to an edge 24, 25 of the one adjacent, higher lying second segment 10.1, 10.2 run obliquely.
  • the thrust element 1 can be, for example, a round, in particular circular thrust washer, which is, for example, ring-shaped, the central axis 12 of the thrust element 1 running through the center 7.
  • the annular thrust element 1 has a radially inner inner side 13 and a radially outer outer side 14.
  • the inner ring or inner side 13 of the thrust element 1 is preferably set up in such a way that the thrust element 1 can be pushed onto a shaft or similar cylindrical component.
  • the at least one depression 11 can extend in the radial direction with respect to the center 7 into a radially outer edge region 15 of the tread 5.
  • the depression 11 preferably extends in the radial direction to beyond the radially outer edge region 15 and opens into the outside 14 of the run-up element 1 and / or is continuous through the outside 14.
  • the radially outer edge region 15 or edge of the running surface 5 also forms the outside 14 of the run-up element 1. Seen in the radial direction inwards, the depression 11 extends up to or into the radially inner edge region 16 of the tread 5, which extends, for example, up to the inside 13 of the
  • Start element 1 have at least one through opening 26.
  • the through opening 26 preferably penetrates the thrust element 1 transversely to the running surface 5.
  • the through opening 26 extends in the direction of the central axis 12 of the thrust element 1.
  • the through opening 26 preferably opens into one of the first segments 9, in particular into the recess 11 of the first segment 9.1.
  • the through opening 26 preferably opens in the radial direction
  • the through opening 26 is preferably formed as a depression on the inside 13 of the run-up element 1.
  • the starting element 1 can be designed such that it develops a hydrodynamic function on both sides, in particular on the front 3 and on the rear 4.
  • the tread 5 is assigned to the front 3 as the first tread 27 and the rear 4 is a second tread 28 with one, one
  • segment structure and / or the profile of the second tread 28 can correspond to the segment structure 8 and profile 6 of the tread 5 or first tread 16.
  • the segment structure 8 of the first tread 16 and the are preferred
  • Segment structure of the second tread 17 aligned without rotational offset with respect to the shared center 7, so that the at least one
  • Indentation 1 1 with respect to the front 3 opens into a first segment 9.1 and likewise opens into a corresponding first segment with regard to the second running surface 17.
  • the first segment 9. 1 of the front side 3 and the one first segment is the through-opening 26
  • reference to a specific aspect or a specific embodiment or a specific configuration means that a specific feature or a specific property, which is described in connection with the respective aspect or the specific embodiment or the respective configuration, contain at least there is, but not

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)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

L'invention concerne un élément d'appui (1) pour un palier axial hydrodynamique. L'élément d'appui (1) comprend une surface mobile (5) pourvue d'un profilage (6) servant à produire une pression de support hydrodynamique. L'invention prévoit que le profilage (6) comprend une structure segmentée (8) s'étendant en forme de segment autour d'un centre (7) et pourvue d'une alternance de premiers segments (9) et de seconds segments (10), dont les premiers segments (9) sont réalisés au moins en partie de manière renfoncée par rapport aux seconds segments (10). L'invention prévoit en outre qu'un renfoncement (11) présentant une extension longitudinale dans la direction radiale par rapport au centre (7) et une section transversale présente de manière transversale par rapport à l'extension longitudinale est associé à au moins un des premiers segments (9). L'invention concerne en outre un palier axial hydrodynamique pourvu d'un élément d'appui (1) de ce type.
PCT/EP2019/068934 2018-08-21 2019-07-15 Élément d'appui pour un palier axial hydrodynamique et palier axial hydrodynamique WO2020038655A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018214087.1 2018-08-21
DE102018214087 2018-08-21

Publications (1)

Publication Number Publication Date
WO2020038655A1 true WO2020038655A1 (fr) 2020-02-27

Family

ID=67390058

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/068934 WO2020038655A1 (fr) 2018-08-21 2019-07-15 Élément d'appui pour un palier axial hydrodynamique et palier axial hydrodynamique

Country Status (2)

Country Link
DE (1) DE102019212217A1 (fr)
WO (1) WO2020038655A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023093940A1 (fr) 2021-11-26 2023-06-01 Schaeffler Technologies AG & Co. KG Rondelle de butée, et boîte de vitesses planétaire comportant au moins une rondelle de butée de ce type

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB829481A (en) * 1956-01-16 1960-03-02 Napier & Son Ltd Rotary thrust bearings or fluid seals
DE3140017A1 (de) * 1981-10-08 1983-04-28 Flender A F Gmbh Co Kg Axiale hydrodynamische gleitlagerung
DE19641673A1 (de) * 1996-10-11 1998-04-16 Asea Brown Boveri Axialgleitlager
EP1387097A1 (fr) * 2001-03-27 2004-02-04 Nok Corporation Palier de butee
WO2005003577A1 (fr) * 2003-07-05 2005-01-13 Man B & W Diesel Aktiengesellschaft Palier lisse axial
US20050047690A1 (en) * 2003-08-27 2005-03-03 General Electric Company Bearing assembly with fluid circuit for delivery of lubricating fluid between bearing surfaces
DE102011085681A1 (de) * 2011-11-03 2013-05-08 Abb Turbo Systems Ag Hydrodynamisches Axiallager
DE202014100771U1 (de) * 2013-02-21 2014-03-06 Ford Global Technologies, Llc Getriebeanlaufscheibe mit Zirkulationskreislauf
CN106499723A (zh) * 2016-12-30 2017-03-15 深圳智慧能源技术有限公司 滑动轴承
US20180087518A1 (en) * 2016-09-24 2018-03-29 Borgwarner Inc. Turbocharger thrust bearing and manufacturing method
WO2018120130A1 (fr) * 2016-12-30 2018-07-05 深圳智慧能源技术有限公司 Palier lisse

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013104129B3 (de) * 2013-04-24 2014-07-03 E. Winkemann Gmbh Anlaufscheibe mit Schmiermitteltaschen
US10145411B2 (en) * 2016-09-01 2018-12-04 Freudenberg-Nok General Partnership Thrust washers with hydrodynamic features
DE102018205047A1 (de) * 2018-04-04 2019-10-10 Zf Friedrichshafen Ag Anlaufscheibe, Lageranordnung sowie Getriebe

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB829481A (en) * 1956-01-16 1960-03-02 Napier & Son Ltd Rotary thrust bearings or fluid seals
DE3140017A1 (de) * 1981-10-08 1983-04-28 Flender A F Gmbh Co Kg Axiale hydrodynamische gleitlagerung
DE19641673A1 (de) * 1996-10-11 1998-04-16 Asea Brown Boveri Axialgleitlager
EP1387097A1 (fr) * 2001-03-27 2004-02-04 Nok Corporation Palier de butee
WO2005003577A1 (fr) * 2003-07-05 2005-01-13 Man B & W Diesel Aktiengesellschaft Palier lisse axial
US20050047690A1 (en) * 2003-08-27 2005-03-03 General Electric Company Bearing assembly with fluid circuit for delivery of lubricating fluid between bearing surfaces
DE102011085681A1 (de) * 2011-11-03 2013-05-08 Abb Turbo Systems Ag Hydrodynamisches Axiallager
DE202014100771U1 (de) * 2013-02-21 2014-03-06 Ford Global Technologies, Llc Getriebeanlaufscheibe mit Zirkulationskreislauf
US20180087518A1 (en) * 2016-09-24 2018-03-29 Borgwarner Inc. Turbocharger thrust bearing and manufacturing method
CN106499723A (zh) * 2016-12-30 2017-03-15 深圳智慧能源技术有限公司 滑动轴承
WO2018120130A1 (fr) * 2016-12-30 2018-07-05 深圳智慧能源技术有限公司 Palier lisse

Also Published As

Publication number Publication date
DE102019212217A1 (de) 2020-02-27

Similar Documents

Publication Publication Date Title
DE102013104129B3 (de) Anlaufscheibe mit Schmiermitteltaschen
DE60209414T2 (de) Ein ringförmiges Teil für ein Wälzlager
DE102007008860B4 (de) Fluiddynamisches Lager mit Druck erzeugenden Oberflächenstrukturen
EP0753678B1 (fr) Palier à contact lisse pour un arbre
EP2210005B1 (fr) Palier axial, en particulier pour un turbocompresseur
DE10163292A1 (de) Lagerhälfte mit Nuten zur Verhinderung des Austritts von Schmieröl
WO2009043809A1 (fr) Palier axial hydrodynamique
DE102007022316A1 (de) Radial-Nadellager-Baueinheit
DE10156345A1 (de) Wellen-Lagerelement
DE102006054831A1 (de) Struktur für ein dreibeiniges Kreuzgelenk und ein Verfahren zur Montage einer Rollenanordnung
DE1525193A1 (de) Ausbildung und Zuordnung von Lagerteilen
DE102016222625A1 (de) Lagerbuchse für eine Welle eines Turboladers
EP3810963A1 (fr) Bague d'étanchéité à activité hydrodynamique et joint rotatif pourvu d'une telle bague d'étanchéité
WO2020038655A1 (fr) Élément d'appui pour un palier axial hydrodynamique et palier axial hydrodynamique
DE102005037205A1 (de) Zweiteiliger Ölabstreifring für Verbrennungsmotoren
EP0806579A2 (fr) Palier axial à auto-alignement
DE10238415B4 (de) Gleitlager für eine Welle eines Abgasturboladers
DE102007019642B4 (de) Fluiddynamisches Lagersystem
EP4067706B1 (fr) Bague d'étanchéité
EP2758678B1 (fr) Bielle
EP2535606B1 (fr) Agencement de palier axial
DE4312256C2 (de) Wartungsfreies Gleitlager mit Langzeitschmierung
DE102012016983B4 (de) Wälzlager mit Wälzlagerkäfig
DE102020207471A1 (de) Anlaufelement für ein hydrodynamisches Axiallager
EP3094873A2 (fr) Palier lisse hydrodynamique

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19742327

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 19742327

Country of ref document: EP

Kind code of ref document: A1