DE3442519A1 - Sliding bearing with a spring-steel insert arranged between a shaft and a bearing housing - Google Patents

Sliding bearing with a spring-steel insert arranged between a shaft and a bearing housing

Info

Publication number
DE3442519A1
DE3442519A1 DE19843442519 DE3442519A DE3442519A1 DE 3442519 A1 DE3442519 A1 DE 3442519A1 DE 19843442519 DE19843442519 DE 19843442519 DE 3442519 A DE3442519 A DE 3442519A DE 3442519 A1 DE3442519 A1 DE 3442519A1
Authority
DE
Germany
Prior art keywords
bearing
metal
connecting rod
bearing housing
shaft
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
Application number
DE19843442519
Other languages
German (de)
Other versions
DE3442519C2 (en
Inventor
Horst 6729 Rheinzabern Dörsam
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.)
Daimler Benz AG
Original Assignee
Daimler Benz 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 Daimler Benz AG filed Critical Daimler Benz AG
Priority to DE19843442519 priority Critical patent/DE3442519A1/en
Publication of DE3442519A1 publication Critical patent/DE3442519A1/en
Application granted granted Critical
Publication of DE3442519C2 publication Critical patent/DE3442519C2/de
Granted legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C27/00Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/02Sliding-contact bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C9/00Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
    • F16C9/02Crankshaft bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C9/00Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
    • F16C9/04Connecting-rod bearings; Attachments thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J1/00Pistons; Trunk pistons; Plungers
    • F16J1/10Connection to driving members
    • F16J1/14Connection to driving members with connecting-rods, i.e. pivotal connections
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00Engines or pumps
    • F16C2360/22Internal combustion engines

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Abstract

The invention proposes a sliding bearing, in particular for internal combustion engines, in which one or more metal bushes are arranged in a floating manner between the bearing bush and the bearing housing in order to damp oscillations in the gas forces from the combustion space and to damp combustion noises.

Description

Gleitlager mit einer zwischen Welle und LagergehäusePlain bearing with one between the shaft and the bearing housing

angeordneten Einlage aus Federstahl Die Erfindung bezieht sich auf ein Gleitlager mit einer zwischen Welle und Lagergehäuse angeordneten elastischen Einlage aus Federstahl, insbesondere für eine Brennkraftmaschine zur Dämpfung der vom Brennraum in das Triebwerk eingeleiteten Gaskraftschwingungen und Verbrennungsgeräusche Aus der deutschen Patentanmeldung (P 58 51 D 46 C 1, 12) ist es bekannt, die in einer Brennkraftmaschine auftretenden Gaskraftschwingungen und Verbrennungsgeräusche in ihrer Wirkung auf das Triebwerk dadurch zu dämpfen, in dem am Pleuel- oder Kurbelwellenlager zwischen den beweglichen Teilen ein gewellter Federstahlring als elastische Einlage eingesetzt ist.arranged insert made of spring steel The invention relates to a plain bearing with an elastic one arranged between the shaft and the bearing housing Insert made of spring steel, especially for an internal combustion engine to dampen the Gas force vibrations and combustion noises introduced into the engine from the combustion chamber From the German patent application (P 58 51 D 46 C 1, 12) it is known that in an internal combustion engine occurring gas force vibrations and combustion noises to dampen their effect on the engine in the one on the connecting rod or crankshaft bearings A corrugated spring steel ring as an elastic insert between the moving parts is used.

Der Federstahlring erfordert ein relativ großes Spiel zwischen Welle und Lagergehäuse, durch das sich im Lager selbst kein tragfähiger Schmierölfilm ausbilden kann und durch das es zu Schwankungen innerhalb der Brennraumverdichtung kommen kann. Außerdem neigen solche gewellten Federstahiringe zu Eigenschwingungen. Der schwerwiegendste Nachteil dieser Federstahiringe besteht jedoch darin, daß die Lagerkräfte von der Welle in das Lagergehäuse nur über die Wellenberge übertragen werden können.Hier durch entstehen an den Wellenbergen so hohe Flächenpressungen, daß ein sich dort eventuell aufbauender Schmierölfilm in die Wellentäler abgedrängt wird. Die Folge davon ist eine unmittelbare metallische Berührung von Welle und Lagergehäuse, über die die Verbrennungsgeräusche ungedämpft in das Kurbelgehäuse eingeleitet und von diesem nach außen abgestrahlt werden Der Erfindung liegt die Aufgabe zugrunde, das bekannte Gleitlager so zu verbessern, daß eine optimale Geräuschdämpfung bei gleichmäßiger Verteilung der Lagerdruckkräfte erreicht wird. Die Aufgabe wird erfindungsgemäß durch die im kennzeichnenden Teil. des Anspruches 1 angegebenen Merkmale gelöst.The spring steel ring requires a relatively large clearance between the shaft and bearing housing, through which there is no stable lubricating oil film in the bearing itself can develop and through which there are fluctuations within the combustion chamber compression can come. In addition, such corrugated spring steel rings tend to vibrate naturally. The most serious However, there is a disadvantage of these spring steel rings in that the bearing forces from the shaft in the bearing housing only over the shaft peaks This creates such high surface pressures on the wave crests that that a lubricating oil film that may build up there is pushed into the wave troughs will. The consequence of this is an immediate metallic contact of the shaft and Bearing housing through which the combustion noises enter the crankcase without being dampened initiated and radiated from this to the outside. The invention is the The object of the invention is to improve the known plain bearing in such a way that optimum noise damping is achieved is achieved with an even distribution of the bearing pressure forces. The task will be according to the invention by the in the characterizing part. of claim 1 specified Features solved.

Durch die erfindungsgemäße Verwendung von glatten, nichtgewellten Metallbuchsen als Einlagen kann das Lagerspiel klein gehalten werden, was den Aufbau eines tragfähigen Schmierölfilms zwischen Welle und Lagergehäuse ermöglicht.The inventive use of smooth, non-corrugated Metal bushings as inlays, the bearing play can be kept small, what the structure a stable lubricating oil film between the shaft and the bearing housing.

Der dabei die Oberfläche der Metallbuchsen mit gleichmäßiger Stärke umgebende Schmierölfilm unterbindet eine metallische Berührung der Lagerteile und isoliert somit die Verbrennungsgeräusche gegenüber dem Triebwerk.The thereby the surface of the metal bushes with uniform thickness surrounding lubricating oil film prevents metallic contact of the bearing parts and thus isolates the combustion noise from the engine.

Weitere Ausgestaltungender Erfindung sind Gegenstand der Unteransprüche.Further developments of the invention are the subject of the subclaims.

In der Zeichnung ist eine beispielsweise Ausführung des erfindungsgemäßen Gleitlagers an der Pleuelstange einer Brennkraftmaschine dargestellt.In the drawing is an example embodiment of the invention Shown slide bearing on the connecting rod of an internal combustion engine.

Es zeigt: Figur 1 in einer perspektiven Seitenansicht von einer Pleuelstange das kolbenseitige Pleuelauge mit den Elementen des erfindungsgemäßen Gleitlagers.It shows: FIG. 1 in a perspective side view of a connecting rod the piston-side connecting rod eye with the elements of the plain bearing according to the invention.

Figur 2 das Pleuelauge aus Figur 1 in einer vertrößerte Vorderansicht, jedoch mit drei Metallbuchsen zur Geräuschdämpfung.FIG. 2 the connecting rod eye from FIG. 1 in an enlarged front view, but with three metal bushings for noise reduction.

Eine Pleuelstange 1 für eine Brennkraftmaschine besitzt zur Verbindung mit einem Kolben am oberen Ende des Pleuelschaftes 2 ein Pleuelauge 3. Im Pleuelauge 3 befindet sich eine Lagerbuchse 4, welche den nicht dargestellten Kolbenbolzen aufnimmt. Die Bohrung des Pleuelauges 3 besitzt gegenüber dem Außendurchmesser der Lagerbuchse 4 ein solches Übermaß, daß sich zwischen den Teilen ein Ringspalt 5 ergibt, in den eine dünnwandige nichtgewellte Metallbuchse 6 jeweils einem Spiel zur Lagerbuchse 4 und zum Pleuelauge 3 eingesetzt ist. Zur Dämpfung der aus dem Brennraum über den Kolben in die Pleuelstange eingeleiteten Stoßkräfte ist die Metallbuchse 6 mit einem Längsschlitz 7 versehen. Durch das Spiel zwischen Metallbuchse 6 und Lagerbuchse 4 sowie Pleuelauge 3 baut sich im Ringspalt 5 über die Schmierölversorgung des Lagers oder über den im Kurbelgehäuse vorhandenen Schmierölnebel eine Schmierölschicht auf, die aufgrund der im Ringspalt 5 herrschenden Kapillarkräfte und der zwischen Metallbuchse 6 und Schmierölfilm wirkenden Oberflächenspannung dauernd erhalten bleibt. Je nach Größe der zu dämpfenden Stoßkräfte können mehrere Metallbuchse 6 in den Ringspalt 5 mit Radialspiel zueinander eingesetzt werden (Fig. 2). Die dabei konzentrisch zueinander angeordneten Metallbuchsen6 bilden somit ein Blechdämpfungspaket mit einem zwischen jeder einzelnen Federstahlbuchse 6 vorhandenen Schmierölfilm. Durch eine entsprechende Wahl der Blechdicke, der Anzahl der Federstahlbuchsen und der Größe des Spiels können die Federung- und die Dämpfungseigenschaften des Blechdämpfungspaketes beeinflußt werden, so daß bestimmte Frequenzen aus der Verbrennung gegenüber dem Triebwerk isoliert werden können. Mittels einer radial in das Pleuelauge 3 eingesetzten Schraube 8 werden die im Ringspalt 5 schwimmend angeordneten Metallbuchsen 6 und die Lagerbuchse 4 am Pleuelauge 3 fixiert.A connecting rod 1 for an internal combustion engine has to be connected with a piston at the upper end of the connecting rod shaft 2, a connecting rod eye 3. In the connecting rod eye 3 there is a bearing bush 4, which supports the piston pin, not shown records. The bore of the connecting rod eye 3 has opposite the outer diameter of the Bearing bush 4 such an oversize that there is an annular gap 5 between the parts results in a thin-walled non-corrugated metal bushing 6 each with a game to the bearing bushing 4 and the connecting rod eye 3 is used. To attenuate the from the Combustion chamber via the piston in the connecting rod introduced impact forces is the metal bush 6 provided with a longitudinal slot 7. Due to the play between the metal bushing 6 and Bearing bush 4 and connecting rod eye 3 build up in the annular gap 5 via the lubricating oil supply of the bearing or a layer of lubricating oil via the lubricating oil mist in the crankcase on, due to the capillary forces prevailing in the annular gap 5 and the between Metal bush 6 and lubricating oil film acting surface tension is permanently maintained remain. Depending on the size of the impact forces to be dampened, several metal bushings 6 in the annular gap 5 with Radial play to each other are used (Fig. 2). The metal bushings 6, which are arranged concentrically to one another, thus form a sheet metal damping package with one between each individual spring steel bushing 6 Lubricating oil film. By selecting the sheet metal thickness and the number of spring steel bushings accordingly and the size of the game can affect the suspension and damping properties of the Sheet metal damping package can be influenced, so that certain frequencies from the combustion can be isolated from the engine. By means of a radially into the connecting rod eye 3 inserted screw 8 are the floating metal bushings in the annular gap 5 6 and the bearing bush 4 fixed on the connecting rod eye 3.

Die Anwendung des erfindungsgemäßen Gleitlagers ist nicht auf das beschriebene Ausführungsbeispiel beschränkt.The application of the plain bearing according to the invention is not on that embodiment described limited.

Vielmehr kann das Lager überall dort eingesetzt werden, wo es gilt, Geräusche und Druckschwingungen zu dämpfen.Rather, the warehouse can be used wherever it is necessary To dampen noise and pressure vibrations.

Bei einer Brennkraftmaschine kann das Gleitlager außer am Pleuelauge weiterhin am kurbelwellenseitigen Pleuellager, an den Hauptlagern der Kurbelwelle und an den Lagerstellen des Kolbenbolzens im Kolbenkörper angewendet werden.In the case of an internal combustion engine, the plain bearing can be used except on the connecting rod eye also on the connecting rod bearing on the crankshaft side, on the main bearings of the crankshaft and can be used at the bearing points of the piston pin in the piston body.

Claims (5)

Patentansprüche 1. Gleitlager mit einer zwischen Welle und Lagergehäuse angeordneten elastischen Einlage aus Metall, insbesondere für eine Brennkraftmaschine zur Dämpfung der vom Brennraum in das Triebwerk eingeleiteten Gaskraftschwingungen und Geräusche, dadurch gekennzeichnet, daß die Einlage aus einer in Längsrichtung geschlitzten, dünnwandigen Metallbuchse (6) besteht, diemit Spiel zwischen Lagerbuchse (4) und Lagergehäuse (Pleuelauge 3) eingesetzt ist, und die in dem durch das Spiel gebildeten Ringspalt (5) in einer Schmierölschicht gehalten ist.Claims 1. Plain bearings with a between the shaft and the bearing housing arranged elastic insert made of metal, in particular for an internal combustion engine to dampen the gas force vibrations introduced into the engine from the combustion chamber and noises, characterized in that the insert consists of a longitudinal direction slotted, thin-walled metal bushing (6) with clearance between the bearing bushing (4) and bearing housing (connecting rod eye 3) is inserted, and in which by the game formed annular gap (5) is held in a lubricating oil layer. 2. Gleitlager nach Anspruch 1, dadurch gekennzeichnet, daß die Einlage aus mehreren konzentrisch zueinander angeordneten Metallbuchsen (6) besteht, die mit Radialspiel zueinander und zur Lagerbuchse (4) bzw. Lagergehäuse zwischen diesen eingesetzt sind und deren Längsschlitz (7) in Umfangsrichtung zueinander versetzt angeordnet sind.2. Plain bearing according to claim 1, characterized in that the insert consists of several concentrically arranged metal bushings (6) which with radial play to each other and to the bearing bush (4) or bearing housing between them are used and their longitudinal slot (7) offset from one another in the circumferential direction are arranged. 3. Gleitlager nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Metallbuchsen (6) zwischen Kolbenbolzen und Bolzenaugen des Kolbenkörpers angeordnet sind.3. Plain bearing according to claim 1 or 2, characterized in that the metal bushings (6) are arranged between the piston pin and pin bosses of the piston body are. 4. Gleitlager nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die Metallbuchsen (6) zwischen Hubzapfen der Kurbelwelle und unterem Lagerauge der Pleuelstange angeordnet sind.4. Plain bearing according to one of claims 1 or 2, characterized in that that the metal bushings (6) between the crank pin of the crankshaft and the lower bearing eye the connecting rod are arranged. 5. Gleitlager nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Metallbuchsen (6) an den Hauptlagern der Kurbelwelle angeordnet sind.5. Plain bearing according to claim 1 or 2, characterized in that the metal bushings (6) are arranged on the main bearings of the crankshaft.
DE19843442519 1984-11-22 1984-11-22 Sliding bearing with a spring-steel insert arranged between a shaft and a bearing housing Granted DE3442519A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19843442519 DE3442519A1 (en) 1984-11-22 1984-11-22 Sliding bearing with a spring-steel insert arranged between a shaft and a bearing housing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843442519 DE3442519A1 (en) 1984-11-22 1984-11-22 Sliding bearing with a spring-steel insert arranged between a shaft and a bearing housing

Publications (2)

Publication Number Publication Date
DE3442519A1 true DE3442519A1 (en) 1986-05-28
DE3442519C2 DE3442519C2 (en) 1989-01-19

Family

ID=6250834

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843442519 Granted DE3442519A1 (en) 1984-11-22 1984-11-22 Sliding bearing with a spring-steel insert arranged between a shaft and a bearing housing

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Country Link
DE (1) DE3442519A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3813223A1 (en) * 1988-04-20 1989-11-02 Kloeckner Humboldt Deutz Ag Bearing reducing the transmission of structure-borne noise
EP0643216A1 (en) * 1993-09-09 1995-03-15 Dr.Ing.h.c. F. Porsche Aktiengesellschaft Crankshaft bearing
WO2006089637A1 (en) * 2005-02-22 2006-08-31 Schaeffler Kg Sound-insulating ring nut for bearings
CN103375652A (en) * 2012-04-20 2013-10-30 上海微电子装备有限公司 Air floating pipe joint component and six-degree-of-freedom air floating pipe joint and mask platform both applying same
CN104179791A (en) * 2014-07-28 2014-12-03 朱彩玲 Rotary swinging rod mechanism for knitting machine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE211645C (en) *

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE211645C (en) *

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DE-Patentanmeldung p 5851 D *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3813223A1 (en) * 1988-04-20 1989-11-02 Kloeckner Humboldt Deutz Ag Bearing reducing the transmission of structure-borne noise
EP0643216A1 (en) * 1993-09-09 1995-03-15 Dr.Ing.h.c. F. Porsche Aktiengesellschaft Crankshaft bearing
US5609422A (en) * 1993-09-09 1997-03-11 Dr. Ing.H.C.F Porsche Ag Crankshaft bearing
WO2006089637A1 (en) * 2005-02-22 2006-08-31 Schaeffler Kg Sound-insulating ring nut for bearings
CN103375652A (en) * 2012-04-20 2013-10-30 上海微电子装备有限公司 Air floating pipe joint component and six-degree-of-freedom air floating pipe joint and mask platform both applying same
CN104179791A (en) * 2014-07-28 2014-12-03 朱彩玲 Rotary swinging rod mechanism for knitting machine

Also Published As

Publication number Publication date
DE3442519C2 (en) 1989-01-19

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