DE2647441A1 - ARRANGEMENT FOR LUBRICATING A CRANK PIN BEARING - Google Patents
ARRANGEMENT FOR LUBRICATING A CRANK PIN BEARINGInfo
- Publication number
- DE2647441A1 DE2647441A1 DE19762647441 DE2647441A DE2647441A1 DE 2647441 A1 DE2647441 A1 DE 2647441A1 DE 19762647441 DE19762647441 DE 19762647441 DE 2647441 A DE2647441 A DE 2647441A DE 2647441 A1 DE2647441 A1 DE 2647441A1
- Authority
- DE
- Germany
- Prior art keywords
- angle
- lubricating oil
- crank pin
- lubrication
- arrangement
- 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.)
- Withdrawn
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
- F16C37/00—Cooling of bearings
- F16C37/002—Cooling of bearings of fluid bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/06—Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores
-
- 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
-
- 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
- F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
- F16C9/04—Connecting-rod bearings; Attachments thereof
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
Β^ϊΓΒΗ«* 7 /OH /HH IΒ ^ ϊΓΒΗ «* 7 / OH / HH I
5000 Köln 80, den 14. Okt. 1976 Unser Zeichen: D 76/78 APTA R/Lo5000 Cologne 80, October 14, 1976 Our reference: D 76/78 APTA R / Lo
Anordnung zur Schmierung eines KurbelzapfenlagersArrangement for the lubrication of a crank pin bearing
Die Erfindung betrifft eine Anordnung zur Schmierung des Kurbelzapfenlagers gemäß dem Oberbegriff des 1. Anspruchs.The invention relates to an arrangement for lubricating the crank pin bearing according to the preamble of the 1st claim.
Eine derartige Anordnung ist bekannt (GB-PS 1 157 189). Sie dient dazu, den Öldurchfluß durch die Lager und die Pleulstange dadurch zu erhöhen, daß ein Rückfluß des Schmieröls infolge der Massankräfte der Ölsäule in der Schmierölbohrung der Pleustange verhindert wird. Dabei wurde eine Summe der Winkel J, plus ß von 142 ° bis 162 ° gewählt. Dieser Winkelbereich reicht in vielen Fällen, insbesondere bei Dieselbrennkraftmaschinen, für eine optimale Ölversorgung nicht aus.Such an arrangement is known (GB-PS 1 157 189). It serves to increase the oil flow through the bearings and the connecting rod in that a backflow of the lubricating oil due to the mass forces of the oil column in the lubricating oil bore of the connecting rod is prevented. A sum of the angles J, plus ß from 142 ° to 162 ° was chosen. In many cases, in particular in the case of diesel internal combustion engines, this angular range is not sufficient for an optimal oil supply.
Es ist ferner eine Anordnung zur Schmierung eines Kurbelzapfenlagers bekannt CDT-AS 1 008 527), bei der der Kurbelzapfen lediglich eine Schmierölbohrung aufweist, die mit einer Nut überIt is also an arrangement for lubricating a crankpin bearing known CDT-AS 1 008 527), in which the crank pin only has a lubricating oil bore with a groove over
ο 'ο '
24o zusammenarbeitet. Nachteilig hierbei ist, daß in einem relativ großen Umfangsbereich des Lagers die Tragfähigkeit durch die Nut stark herabgesetzt ist. Selbst wenn man die Nuten in die untere Lagerschalenhälfte einbringt, die nicht vom Zünddruck beaufschlagt ist, muß man Lagerschaden infolge der Belastung durch die mit steigenden Drehzahlen zunehmenden Massenkräfte befürchten.24o cooperates. The disadvantage here is that in a relatively large circumferential area of the bearing the groove is greatly reduced. Even if the grooves are made in the lower half of the bearing shell, which is not subjected to the ignition pressure is, you have to bearing damage as a result of the load fear increasing inertia forces with increasing speeds.
Der Erfindung liegt die Aufgabe zugrunde, bei geringer Schwächung der Tragfähigkeit durch Schmierölumfangsnuten einen optimalen Öldurchfluß zu gewährleisten. Diese Aufgabe wird erfindungsgemäß bei einer Anordnung der eingangs beschriebenen Art durch die Merkmale gemäß dem kennzeichnenden Teil des 1. Anspruches gelöst.The invention is based on the object of achieving an optimum oil flow with a slight weakening of the load-bearing capacity due to circumferential lubricating oil grooves to ensure. According to the invention, this object is achieved with an arrangement of the type described at the outset by the features solved according to the characterizing part of the 1st claim.
809817/0141809817/0141
Klöckner+Iumboldt-Deutz AG £Λ ί*Α5Γίι «J 2647441 Klöckner + Iumboldt-Deutz AG £ Λ ί * Α5Γίι «J 2647441
- f- ** 14.10.76 - f- ** 14.10.76
D 76/78D 76/78
Die Erfindung geht von der Erkenntnis aus, daß ein Zusammenhang zwischen der mittleren Kolbengeschwxndxgkeit und dem optimalen Öldurchfluß besteht, dabei ist bei kleinen Kolbengeschwindigkeiten eine größere Umfangsnut vorteilhaft, da zum einen der Öldurchfluß verstärkt*wird, zum anderen infolge der geringeren Massenkräfte ein Teil des Lagers geringer belastet ist, so daß eine größere Nut ohne' Nachteil angeordnet werden kann. Bei grösseren Kolbengeschwindigkeiten verlagert sich der optimale Öldurchfluß zu kleineren Winkelbereichen, wobei gleichzeitig durch die kleinere Nut der Bereich vermindeter Tragfähigkeit verkleinert wird. Der Öldurchfluß ist außerdem vom Schmieröldruck abhängig, so daß die Werte des oberen Toleranzbereiches bei einem höheren Schmieröldruck von ungefähr 7 atü und die Werte des unteren Toleranzbereiches "bei Schmieröldrücktfi von etwa 3 atü zu wählen.The invention is based on the knowledge that there is a relationship between the mean piston speed and the optimum There is oil flow, a larger circumferential groove is advantageous at low piston speeds, because on the one hand the Oil flow is increased *, on the other hand, due to the lower inertia forces, part of the bearing is less loaded, so that a larger groove can be arranged without 'disadvantage. With larger ones Piston speeds shifts the optimal oil flow to smaller angular ranges, and at the same time through the smaller groove the area of reduced load-bearing capacity is reduced. The oil flow is also dependent on the lubricating oil pressure, so that the values of the upper tolerance range at a higher lubricating oil pressure of approximately 7 atm and the values of the lower tolerance range "to be selected with a lubricating oil pressure of around 3 atmospheres.
Um den von der Nut beeinträchtigten Bereich der Lagerschale zu verkleinern wird in Ausgestaltung der Erfindung vorgeschlagen, daß der Winkel J^ zwischen den beiden Schmierölbohrungen größer ist, als der Winkel yP zwischen den beiden Schmiernutenden und eine dritte Schmierölbohrung den Winkel J[„ so unterteilt, daß beide Teilwinkel kleiner sintf als der Winkel ρ . Eine andere Lösung dieses Problems besteht darin, daß der Winkel o£, zwischen den beiden Schmierölbohrungen größer ist, als der Winkel β zwischen den beiden Nutenden und der Kurbelzapfen ausgehend von den Schmierölbohrungen aufeinander zugerichtete Schmiernuten aufweist, die so lang sind, daß der freibleibende Winkel Of* zwischen ihnen kleiner oder gleich dem Winkel & ist.In order to reduce the area of the bearing shell affected by the groove, it is proposed in an embodiment of the invention that the angle J ^ between the two lubricating oil bores is greater than the angle yP between the two lubricating groove ends and a third lubricating oil bore divides the angle J [" that both partial angles are smaller than the angle ρ . Another solution to this problem is that the angle o £, between the two lubricating oil bores is greater than the angle β between the two groove ends and the crank pin, starting from the lubricating oil bores, has lubricating grooves which are aligned towards one another and which are so long that the angle that remains free Of * between them is less than or equal to the angle & .
In der Zeichnung sind Ausführungsbeispiele der Erfindung dargestellt. Exemplary embodiments of the invention are shown in the drawing.
809817/OH1809817 / OH1
10M0 1/6 «w F 3CO10M0 1/6 «w F 3CO
Klöckneimumboidt-DeufzAG , , Λ Klöckneimumboidt-DeufzAG,, Λ
2647U12647U1
- χ- $ 14.10.76 *- χ- $ 14.10.76 *
D 76/78D 76/78
Abb. 1 zeigt einen Querschnitt durch eine erfindungsgemäße Anordnung zur Schmierung eines Kurbelzapfenlagers mit drei Schmierölbohrungen im Kurbelzapfen,Fig. 1 shows a cross section through an arrangement according to the invention for the lubrication of a crank journal bearing with three lubricating oil bores in the crank journal,
Abb. 2 zeigt" einen Querschnitt durch eine erfindungsgemäite Anordnung zur Schmierung eines Kurbelzapfenlagers mit zwei Schmierölbohrungen im Kurbelzapfen mit Verlängerungsnuten,Fig. 2 shows a cross section through an arrangement according to the invention for the lubrication of a crank pin bearing with two lubricating oil bores in the crank pin with extension grooves,
In einem Grundlagerzapfen 1 einer Kurbelwelle 2 sind Schmierölbohrungen 3 und 4 vorgesehen, durch die Schmieröl einem Kurbelzapfen 5 zugeführt wird.. Im Kurbelzapfen 5 sind weitere Schmierölbohrungen 6 und 7 vorgesehen, die einen Winkel J1, miteinandereinschließen, der in dem dargestellten Ausführungsbeispiel ca. 13o beträgt. Zwischen den beiden Schmierölbohrungen 6 und 7 ist eine weitere Schmierölbohrung 12 angeordnet, die den Winkel JL halbiert.In a base bearing journal 1 of a crankshaft 2, lubricating oil bores 3 and 4 are provided, through which lubricating oil is fed to a crank pin 5. In the crank pin 5, further lubricating oil bores 6 and 7 are provided which enclose an angle J 1 with one another, which in the illustrated embodiment is approx. 13o. Between the two lubricating oil bores 6 and 7, a further lubricating oil bore 12 is arranged, which halves the angle JL.
Auf dem Kurbelzapfen 5 ist mittels einer Lagerschale 8 eine Pleulstange 9 gelagert. Die Lagerschale 8 hat in einem begrenzten
Winkelbereich ρ eine Umfangsnut Io, über die Schmieröl
durch einen Schmierölkanal 11 in der Pleulstange 9 zum nicht näher dargestellten Kolben geleitet wird. Der Winkel ρ beträgt
im Ausführungsbeispiel ca. 9o . Die Schmierölbohrungen 6, 7 und 12 sind zur Schmierölnut Io so angeordnet, daß in einem. Winkelbereich
von etwa 22o ° symmetrise!
Kolbens der Öldurchfluß frei ist.A connecting rod 9 is mounted on the crank pin 5 by means of a bearing shell 8. In a limited angular range ρ, the bearing shell 8 has a circumferential groove Io, via which lubricating oil is passed through a lubricating oil channel 11 in the connecting rod 9 to the piston, not shown in detail. In the exemplary embodiment, the angle ρ is approximately 9o. The lubricating oil holes 6, 7 and 12 are arranged to the lubricating oil groove Io so that in one. Angle range of about 22o ° symmetrize!
Oil flow is free on the piston.
bereich von etwa 22o ° symmetrische zur oberen Totpunktlage desarea of about 22o ° symmetrical to the top dead center position of the
Die Ausführung nach Abb. 2 unterscheidet sich von der nach Abb. dadurch, daß die Sehmierölbohrungen 6, 7 an ihrer Austrittsöffnung aufeinander zugerichtete Schmiernuten 13 und 14 aufweisen, die so lang sind, daß der freibleibende Winkel OP zwischen ihnen kleiner oder gleich dem Winkelt ist.The embodiment according to Fig. 2 differs from that according to Fig. In that the Sehmierölbohrungen 6, 7 have at their outlet opening aligned lubrication grooves 13 and 14, which are so long that the remaining free angle OP between them is less than or equal to the angle .
809817/0H1809817 / 0H1
10000 1.76 φ ' F 360.110000 1.76 φ 'F 360.1
Claims (3)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762647441 DE2647441A1 (en) | 1976-10-21 | 1976-10-21 | ARRANGEMENT FOR LUBRICATING A CRANK PIN BEARING |
| IT2818277A IT1085050B (en) | 1976-10-21 | 1977-09-30 | ARRANGEMENT FOR LUBRICATING A CRANK PIN BEARING |
| GB4145877A GB1582075A (en) | 1976-10-21 | 1977-10-05 | Arrangement for lubricating a crankpin bearing |
| FR7731761A FR2368605A1 (en) | 1976-10-21 | 1977-10-21 | GREASING DEVICE FOR CRANKSHAFT CRANKSHAFT BEARING |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762647441 DE2647441A1 (en) | 1976-10-21 | 1976-10-21 | ARRANGEMENT FOR LUBRICATING A CRANK PIN BEARING |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2647441A1 true DE2647441A1 (en) | 1978-04-27 |
Family
ID=5990949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762647441 Withdrawn DE2647441A1 (en) | 1976-10-21 | 1976-10-21 | ARRANGEMENT FOR LUBRICATING A CRANK PIN BEARING |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2647441A1 (en) |
| FR (1) | FR2368605A1 (en) |
| GB (1) | GB1582075A (en) |
| IT (1) | IT1085050B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4345797A (en) * | 1978-11-20 | 1982-08-24 | Caterpillar Tractor Co. | Lubrication system for an engine |
| US6176214B1 (en) * | 1998-09-04 | 2001-01-23 | Nissan Motor Co., Ltd. | Lubricating structure for internal combustion engine |
| DE102010063191A1 (en) * | 2010-12-16 | 2012-06-21 | Bayerische Motoren Werke Aktiengesellschaft | Internal combustion engine i.e. single-cylinder four-stroke internal combustion engine, for driving motorcycle, has radially running channel directed in position of crankshaft, where axially running channel of engine is part of channels |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2463498B1 (en) * | 2009-07-17 | 2016-07-20 | Nissan Motor Co., Ltd. | Multi-link piston-crank mechanism |
| DE102015215519A1 (en) * | 2015-08-14 | 2017-02-16 | Bayerische Motoren Werke Aktiengesellschaft | Crankshaft with oil groove |
-
1976
- 1976-10-21 DE DE19762647441 patent/DE2647441A1/en not_active Withdrawn
-
1977
- 1977-09-30 IT IT2818277A patent/IT1085050B/en active
- 1977-10-05 GB GB4145877A patent/GB1582075A/en not_active Expired
- 1977-10-21 FR FR7731761A patent/FR2368605A1/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4345797A (en) * | 1978-11-20 | 1982-08-24 | Caterpillar Tractor Co. | Lubrication system for an engine |
| US6176214B1 (en) * | 1998-09-04 | 2001-01-23 | Nissan Motor Co., Ltd. | Lubricating structure for internal combustion engine |
| DE102010063191A1 (en) * | 2010-12-16 | 2012-06-21 | Bayerische Motoren Werke Aktiengesellschaft | Internal combustion engine i.e. single-cylinder four-stroke internal combustion engine, for driving motorcycle, has radially running channel directed in position of crankshaft, where axially running channel of engine is part of channels |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2368605A1 (en) | 1978-05-19 |
| IT1085050B (en) | 1985-05-28 |
| FR2368605B1 (en) | 1980-05-16 |
| GB1582075A (en) | 1980-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAM | Search report available | ||
| OC | Search report available | ||
| 8110 | Request for examination paragraph 44 | ||
| 8130 | Withdrawal |