CN102493854B - Method for designing oil tank on connecting rod bearing - Google Patents
Method for designing oil tank on connecting rod bearing Download PDFInfo
- Publication number
- CN102493854B CN102493854B CN 201110408500 CN201110408500A CN102493854B CN 102493854 B CN102493854 B CN 102493854B CN 201110408500 CN201110408500 CN 201110408500 CN 201110408500 A CN201110408500 A CN 201110408500A CN 102493854 B CN102493854 B CN 102493854B
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- China
- Prior art keywords
- connecting rod
- rod bearing
- bearing shell
- oil groove
- piston
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- Expired - Fee Related
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Abstract
The invention discloses a method for designing an oil tank on a connecting rod bearing, wherein the method comprises the following steps: a. setting and designing an analysis model which comprises a piston, a connecting rod, the connecting rod bearing and a crankshaft, and marking a radial oil hole on the crankshaft, wherein the connecting rod is connected with the piston, the connecting rod bearing is arranged on the connecting rod, and the crankshaft is arranged in the connecting rod bearing; and b. determining a non-heavy loading region on the connecting rod bearing; and c. determining the initial end position and final end position of the oil tank in the non-heavy loading region, designing a positioning structure for positioning the relative positions of the connecting rod bearing and the connecting rod on the connecting rod bearing and the connecting rod, and at the same time, determining the relative position relationship of the positioning structure on the connecting rod bearing and the oil tank. Because the non-heavy loading region of the connecting rod bearing can be convenient to determine in the analysis model, the laying region of the oil tank can be rapidly and accurately determined; and at the same time, the position of the connecting rod can be conveniently determined when the piston is positioned at the upper and lower stops, thus the initial end position and final end position of the oil tank can be determined accurately, and therefore, the design working efficiency and reasonableness of the oil tank for the connecting rod bearing can be improved by adopting the method.
Description
Technical field
The present invention relates to a kind of connecting rod bearing shell design method, particularly a kind of design method of connecting rod bearing shell finishing bathtray.
Background technique
Connecting rod bearing shell is arranged at connnecting rod big end and is coated at bent axle, for the wearing and tearing that reduce between crankshaft-and-connecting-rod.The structure of most critical is oil groove on the connecting rod bearing shell, and machine oil enters piston by the oil groove on the connecting rod bearing shell, and piston is cooled off.
In design oil duct process, need to consider following factor:
1, connecting rod bearing shell finishing bathtray length, in close relations with fuel delivery as the length of oil duct, if the oil duct design is long, the machine oil that then enters piston is too much, can cause the machine oil waste, and connecting rod bearing shell intensity can be influenced; If the oil duct design is too short, then lubricant oil is very few, and the piston cooling is not enough, can cause the engine cylinder-body serious wear.
2, the position of connecting rod bearing shell finishing bathtray, because that connecting rod bearing shell is provided with the intensity at position of oil groove is the most weak, so the position of oil groove need be avoided the heavy load district of connecting rod bearing shell.
And the design of oil groove needs and the working procedure of motor interrelates, the length of oil duct and position need satisfy near fuel feeding the top dead center when the piston working stroke, near most of zone fuel feeding not lower dead center, because in the working stroke process, engine temperature is the highest, need effectively cool off motor.
Do not have in the prior art a kind of efficiently, method designs the oil groove on the connecting rod bearing shell accurately, design is main by experiential operating, and it is reasonable inadequately to cause the oil groove of connecting rod bearing shell to arrange, connecting rod bearing shell of low quality, a connecting rod bearing shell often needs design iterations several times, and workload is bigger; Therefore need a kind of design method that designs the connecting rod bearing shell oil groove efficiently, accurately.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of design method of connecting rod bearing shell finishing bathtray, with the design work efficient of raising connecting rod bearing shell finishing bathtray and the rationality of oil groove design, the quality of the connecting rod bearing shell that assurance is designed.
The design method of connecting rod bearing shell finishing bathtray of the present invention may further comprise the steps:
A, set up the design analysis model, described analytical model comprises piston, the connecting rod that is connected with piston, be arranged at the connecting rod bearing shell on the connecting rod and be arranged at bent axle in the connecting rod bearing shell, indicates radial direction oil hole at bent axle;
B, determine the position of connecting rod in the piston working stroke, and determine the non-heavy loading district at connecting rod installing connecting rods watt position according to connecting rod position, corresponding connecting rod bearing shell position, described non-heavy load zone is the oil groove layout area on the connecting rod bearing shell;
C, basis are communicated with in the origin or beginning of piston acting top dead center position, bent axle radial direction oil hole and oil groove, in the principle that the terminal of piston acting bottom dead center position, bent axle radial direction oil hole and oil groove is communicated with, that determines oil groove in the oil groove layout area plays end position and end position; And design the position structure of locating both relative positions at connecting rod bearing shell and connecting rod, and determine the relative position relation of position structure on oil groove and the connecting rod bearing shell simultaneously.
Beneficial effect of the present invention: the design method of connecting rod bearing shell finishing bathtray of the present invention, owing in analytical model, can determine the non-heavy loading district of connecting rod bearing shell very easily, thus can determine the layout area of oil groove fast and accurately; Can determine very easily when the piston working stroke according to analytical model simultaneously, the connecting rod position when piston is positioned at lower dead center, thus can quick and accurately determine end position and an end position of oil groove; Therefore adopt this method can improve the design work efficient of connecting rod bearing shell oil groove, improve the rationality of oil groove design, and can guarantee the quality of the connecting rod bearing shell designed.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Fig. 1 is the structural representation of the analytical model among the present invention.
Embodiment
Fig. 1 is this analysis structure of models schematic representation.
The design method of this connecting rod bearing shell finishing bathtray may further comprise the steps:
A, set up design analysis model (as shown in Figure 1), described analytical model comprises piston 1, the connecting rod 2 that is connected with piston 1, be arranged at the connecting rod bearing shell 3 on the connecting rod 2 and be arranged at bent axle 4 in the connecting rod bearing shell 3, indicates radial direction oil hole 5 at bent axle; Analytical model in the present embodiment can be the dummy model of drawing by mapping software, the natural pattern of perhaps making.In actual design work, be convenient to operation and easy analysis, be generally dummy model;
B, determine the position of connecting rod in the piston working stroke, and determine the non-heavy loading district at connecting rod installing connecting rods watt position according to connecting rod position, corresponding connecting rod bearing shell position, described non-heavy load zone is the oil groove layout area on the connecting rod bearing shell; Because the position that in model, can demonstrate out connecting rod in the piston working stroke easily, thereby non-heavy loading district on the connecting rod bearing shell can be determined easily, thereby the layout area of oil groove can be determined fast and accurately;
C, basis are communicated with in the origin or beginning of piston acting top dead center position, bent axle radial direction oil hole and oil groove, in the principle that the terminal of piston acting bottom dead center position, bent axle radial direction oil hole and oil groove is communicated with, that determines oil groove 6 in the oil groove layout area plays end position and end position; And design the position structure of locating both relative positions at connecting rod bearing shell and connecting rod, and determine the relative position relation of position structure on oil groove and the connecting rod bearing shell simultaneously; Owing in analytical model, can determine very easily when the piston working stroke, the connecting rod position when piston is positioned at lower dead center, thus can quick and accurately determine end position and an end position of oil groove.
Therefore adopt this method can improve the design work efficient of connecting rod bearing shell oil groove, improve the rationality of oil groove design, and can guarantee the quality of the connecting rod bearing shell designed.
Explanation is at last, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technological scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (1)
1. the design method of a connecting rod bearing shell finishing bathtray is characterized in that: may further comprise the steps:
A, set up the design analysis model, described analytical model comprises piston, the connecting rod that is connected with piston, be arranged at the connecting rod bearing shell on the connecting rod and be arranged at bent axle in the connecting rod bearing shell, indicates radial direction oil hole at bent axle;
B, determine the position of connecting rod in the piston working stroke, and determine the non-heavy loading district at connecting rod installing connecting rods watt position according to connecting rod position, corresponding connecting rod bearing shell position, described non-heavy load zone is the oil groove layout area on the connecting rod bearing shell;
C, basis are communicated with in the origin or beginning of piston acting top dead center position, bent axle radial direction oil hole and oil groove, in the principle that the terminal of piston acting bottom dead center position, bent axle radial direction oil hole and oil groove is communicated with, that determines oil groove in the oil groove layout area plays end position and end position; And design the position structure of locating both relative positions at connecting rod bearing shell and connecting rod, and determine the relative position relation of position structure on oil groove and the connecting rod bearing shell simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110408500 CN102493854B (en) | 2011-12-09 | 2011-12-09 | Method for designing oil tank on connecting rod bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110408500 CN102493854B (en) | 2011-12-09 | 2011-12-09 | Method for designing oil tank on connecting rod bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102493854A CN102493854A (en) | 2012-06-13 |
| CN102493854B true CN102493854B (en) | 2013-07-10 |
Family
ID=46185707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110408500 Expired - Fee Related CN102493854B (en) | 2011-12-09 | 2011-12-09 | Method for designing oil tank on connecting rod bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102493854B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6069318A (en) * | 1983-09-22 | 1985-04-20 | Mitsubishi Heavy Ind Ltd | Floating bush bearing |
| JPS61142311A (en) * | 1984-12-14 | 1986-06-30 | Honda Motor Co Ltd | Supply device of lubricating oil in crankshaft journal part |
| CN2227761Y (en) * | 1995-05-04 | 1996-05-22 | 张洪强 | Engine connecting rod bearing shell |
| JP4069340B2 (en) * | 1998-10-19 | 2008-04-02 | 三菱自動車工業株式会社 | Vane-type cam phase variable device |
| CN2557701Y (en) * | 2002-04-19 | 2003-06-25 | 山东巨菱股份有限公司 | Crankshaft with link lever brush lubrication device for single cylinder diesel engine |
| JP2008082355A (en) * | 2006-09-26 | 2008-04-10 | Daido Metal Co Ltd | Slide bearing |
-
2011
- 2011-12-09 CN CN 201110408500 patent/CN102493854B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN102493854A (en) | 2012-06-13 |
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Granted publication date: 20130710 Termination date: 20151209 |
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| EXPY | Termination of patent right or utility model |