CN203670726U - Lubricating system of drive axle driving bevel gear bearing - Google Patents
Lubricating system of drive axle driving bevel gear bearing Download PDFInfo
- Publication number
- CN203670726U CN203670726U CN201420035730.0U CN201420035730U CN203670726U CN 203670726 U CN203670726 U CN 203670726U CN 201420035730 U CN201420035730 U CN 201420035730U CN 203670726 U CN203670726 U CN 203670726U
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- China
- Prior art keywords
- bevel gear
- oil
- bearing
- drive bevel
- driving shaft
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- Gears, Cams (AREA)
Abstract
The utility model discloses a lubricating system of a drive axle driving bevel gear bearing. The lubricating system of the drive axle driving bevel gear bearing comprises a main reducer case, a driving bevel gear, a driving shaft and a driven bevel gear. The main reducer case is provided with a bearing seat, the bearing seat is connected with an oil seal seat, the driving shaft penetrates the bearing seat and the oil seal seat, a driving bevel gear inner bearing is arranged between the driving shaft and the main reducer case, a driving bevel gear outer bearing is arranged between the driving shaft and the bearing seat, the inside of the oil seal seat is provided with an oil storage cavity, a driving bevel gear oil seal is arranged between the oil seal seat and the driving shaft, the bearing seat is provided with an oil feeding tank, and the wall of the inner cavity and the bearing seat is provided with an oil return tank. By means of the design of the oil return tank on the bearing seat, the lubricating system of the drive axle driving bevel gear bearing changes traditional external circulation mode into an internal circulation mode and prevent lubricating oil from leakage from the connecting surfaces between the bearing seat and the main reducer case, thereby effectively solving the problem of oil leakage of the bearing seat of a drive axle main reducer assembly.
Description
Technical field
The utility model relates to a kind of auto parts and components and manufactures field, relates in particular to a kind of lubrication system of ransaxle drive bevel gear bearing.
Background technique
The develop rapidly of China Logistics industry and freeway infrastructure constantly perfect, the truck that is mainly used in logistic industry is also had higher requirement, in order to promote high-velocity stream vehicle manoeuvring performance, also must update as the ransaxle of vehicle critical component, to meet user's requirement.And leakage of oil is almost the problem that all ransaxles all exist, the leakage of oil of main gearbox assembly is again to occur the most frequently.At present, the lubrication system of the ransaxle drive bevel gear bearing on market is mainly outer circulation, be exactly to be drilled with spill port on bearing support end face, lubricating oil return is combined end face with reducing gearbox through bearing support, in vehicle operating process, the continuous variation of vibration and moment of torsion, will cause lubricant oil from the outside oil impregnate in spill port edge.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of lubrication system and changes interior circulation into by original outer circulation, prevent the junction plane outside oil impregnate of lubricant oil from bearing support and described final drive casing, efficiently solve the lubrication system of the ransaxle drive bevel gear bearing of the phenomenon of main reducing gear of drive axle assembly bearing support place oil impregnate.
For solving the problems of the technologies described above, the technical solution of the utility model is: the lubrication system of ransaxle drive bevel gear bearing, comprise final drive casing, in described final drive casing, be provided with drive bevel gear, described drive bevel gear input end is connected with driving shaft, the output terminal of described drive bevel gear is connected with driven wheel of differential, described final drive casing is provided with bearing support, described bearing support is connected with oil sealing base, described driving shaft is through described bearing support and described oil sealing base, between described driving shaft and described final drive casing, be provided with drive bevel gear inner bearing, between described driving shaft and described bearing support, be provided with drive bevel gear outer bearing, in described oil sealing base, be provided with shoe cream room, between described oil sealing base and described driving shaft, be provided with the drive bevel gear oil sealing for sealing described shoe cream room, described bearing support is provided with the oil-feed tank that is communicated with described shoe cream room and described final drive casing inner chamber, described bearing support internal chamber wall is provided with the oil-return groove that is communicated with described shoe cream room and described final drive casing inner chamber.
As preferred technological scheme, on described oil sealing base, corresponding described oil-return groove place is provided with outwardly boss, and described shoe cream room is positioned at described boss place and stretches out and be communicated with described oil-return groove.
As the improvement of technique scheme, described final drive casing is provided with the oil guide slot that connects described oil-feed tank.
Owing to having adopted technique scheme, the lubrication system of ransaxle drive bevel gear bearing, comprise final drive casing, in described final drive casing, be provided with drive bevel gear, described drive bevel gear input end is connected with driving shaft, the output terminal of described drive bevel gear is connected with driven wheel of differential, described final drive casing is provided with bearing support, described bearing support is connected with oil sealing base, described driving shaft is through described bearing support and described oil sealing base, between described driving shaft and described final drive casing, be provided with drive bevel gear inner bearing, between described driving shaft and described bearing support, be provided with drive bevel gear outer bearing, in described oil sealing base, be provided with shoe cream room, between described oil sealing base and described driving shaft, be provided with the drive bevel gear oil sealing for sealing described shoe cream room, described bearing support is provided with the oil-feed tank that is communicated with described shoe cream room and described final drive casing inner chamber, described bearing support internal chamber wall is provided with the oil-return groove that is communicated with described shoe cream room and described final drive casing inner chamber.When use, described oil-feed tank is positioned at below, and described oil-return groove is positioned at top.Described final drive casing inner chamber, described oil-feed tank, described shoe cream room and the circulation of described oil-return groove are communicated with, in the inner internal circulation path that forms of described final drive casing.Lubricant oil in driving axle housing gets rid of oil by the rotation of driven wheel of differential and splashes, entered in described oil-feed tank by described final drive casing inner chamber, then enter in the space between described drive bevel gear inner bearing and described drive bevel gear outer bearing, lubricate fully to described drive bevel gear inner bearing and described drive bevel gear outer bearing; How to a certain extent lubricant oil between described drive bevel gear inner bearing and described drive bevel gear outer bearing, lubricant oil just penetrates in described shoe cream room through described drive bevel gear outer bearing, be lubricated to described drive bevel gear oil sealing, prevent that described drive bevel gear oil sealing dry grinding lip from destroying and leakage of oil.In the time that the Height of oil in shoe cream room exceedes the height of described the above oil-return groove of bearing support, lubricant oil just flows back in driving axle housing through described oil-return groove, completes thus the lubricated of the interior outer bearing of drive bevel gear, forms a complete lubrication system.Because the utility model belongs to driving axle housing inner loop, lubricant oil no longer passes through the spill port on bearing support end face, therefore can avoid from the outside oil impregnate of end face oilhole.The beneficial effects of the utility model are: the design of described the above oil-return groove of bearing support, lubrication system changes interior circulation into by original outer circulation, prevent the junction plane outside oil impregnate of lubricant oil from bearing support and described final drive casing, efficiently solve the phenomenon of main reducing gear of drive axle assembly bearing support place oil impregnate.
Accompanying drawing explanation
The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the utility model embodiment's structural representation.
In figure: 1-drive bevel gear; 2-driving shaft; 3-driven wheel of differential; 4-drive bevel gear inner bearing; 5-drive bevel gear outer bearing; 6-bearing support; 7-oil sealing base; 8-drive bevel gear oil sealing; 9-final drive casing; 10-oil-feed tank; 11-shoe cream room; 12-boss; 13-oil guide slot; 14-oil-return groove.
Embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.In the following detailed description, only by the mode of explanation, some one exemplary embodiment of the present utility model has been described.Undoubtedly, those of ordinary skill in the art can recognize, in the situation that not departing from spirit and scope of the present utility model, can revise described embodiment by various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than for limiting the protection domain of claim.
As shown in Figure 1, the lubrication system of ransaxle drive bevel gear bearing, comprise final drive casing 9, in described final drive casing 9, be provided with drive bevel gear 1, described drive bevel gear 1 input end is connected with driving shaft 2, the output terminal of described drive bevel gear 1 is connected with driven wheel of differential 3, described final drive casing 9 is provided with bearing support 6, described bearing support 6 is connected with oil sealing base 7, described driving shaft 2 is through described bearing support 6 and described oil sealing base 7, between described driving shaft 2 and described final drive casing 9, be provided with drive bevel gear inner bearing 4, between described driving shaft 2 and described bearing support 6, be provided with drive bevel gear outer bearing 5, in described oil sealing base 7, be provided with shoe cream room 11, between described oil sealing base 7 and described driving shaft 2, be provided with the drive bevel gear oil sealing 8 for sealing described shoe cream room 11, described bearing support 6 is provided with the oil-feed tank 10 that is communicated with described shoe cream room 11 and described final drive casing 9 inner chambers, described bearing support 6 internal chamber walls are provided with the oil-return groove 14 that is communicated with described shoe cream room 11 and described final drive casing 9 inner chambers.When use, described oil-feed tank 10 is positioned at below, and described oil-return groove 14 is positioned at top.Described final drive casing 9 inner chambers, described oil-feed tank 10, described shoe cream room 11 and 14 circulations of described oil-return groove are communicated with, in the inner internal circulation path that forms of described final drive casing 9.Lubricant oil in driving axle housing gets rid of oil by the rotation of driven wheel of differential 3 and splashes, entered in described oil-feed tank 10 by described final drive casing 9 inner chambers, then enter in the space between described drive bevel gear inner bearing 4 and described drive bevel gear outer bearing 5, lubricate fully to described drive bevel gear inner bearing 4 and described drive bevel gear outer bearing 5; How to a certain extent lubricant oil between described drive bevel gear inner bearing 4 and described drive bevel gear outer bearing 5, lubricant oil just penetrates in described shoe cream room 11 through described drive bevel gear outer bearing 5, give described drive bevel gear oil sealing 8 be lubricated, prevent described drive bevel gear oil sealing 8 dry grind lip destroy and leakage of oil.In the time that the Height of oil in shoe cream room 11 exceedes the height of described bearing support 6 the above oil-return groove 14, lubricant oil just flows back in driving axle housing through described oil-return groove 14, completes thus the lubricated of drive bevel gear 1 interior outer bearing, forms a complete lubrication system.Because the present embodiment belongs to driving axle housing inner loop, lubricant oil no longer passes through the spill port on bearing support 6 end faces, therefore can avoid from the outside oil impregnate of end face oilhole.The beneficial effect of the present embodiment is: the design of described bearing support 6 the above oil-return groove 14, lubrication system changes interior circulation into by original outer circulation, prevent the junction plane outside oil impregnate of lubricant oil from bearing support 6 and described final drive casing 9, efficiently solve the phenomenon of main reducing gear of drive axle assembly bearing support 6 place's oil impregnates.
On described oil sealing base 7, corresponding described oil-return groove 14 places are provided with outwardly boss 12, and described shoe cream room 11 is positioned at described boss 12 places and stretches out and be communicated with described oil-return groove 14.Described in when assembling, boss 12 is aimed at assembling with the described oil-return groove 14 on described bearing support 6, guarantees the assembly direction of bearing support 6, prevents that oil inlet and oil return groove 14 from stopping up.
Described final drive casing 9 is provided with the oil guide slot 13 that connects described oil-feed tank 10.Said structure is convenient to lubricant oil in driving axle housing and is got rid of oil by the rotation of driven wheel of differential 3 and splash, and is entered in described oil-feed tank 10 by described oil guide slot 13.
More than show and described basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. the lubrication system of ransaxle drive bevel gear bearing, comprise final drive casing, in described final drive casing, be provided with drive bevel gear, described drive bevel gear input end is connected with driving shaft, the output terminal of described drive bevel gear is connected with driven wheel of differential, described final drive casing is provided with bearing support, described bearing support is connected with oil sealing base, described driving shaft is through described bearing support and described oil sealing base, between described driving shaft and described final drive casing, be provided with drive bevel gear inner bearing, between described driving shaft and described bearing support, be provided with drive bevel gear outer bearing, it is characterized in that: in described oil sealing base, be provided with shoe cream room, between described oil sealing base and described driving shaft, be provided with the drive bevel gear oil sealing for sealing described shoe cream room, described bearing support is provided with the oil-feed tank that is communicated with described shoe cream room and described final drive casing inner chamber, described bearing support internal chamber wall is provided with the oil-return groove that is communicated with described shoe cream room and described final drive casing inner chamber.
2. the lubrication system of ransaxle drive bevel gear bearing as claimed in claim 1, is characterized in that: on described oil sealing base, corresponding described oil-return groove place is provided with outwardly boss, and described shoe cream room is positioned at described boss place and stretches out and be communicated with described oil-return groove.
3. the lubrication system of ransaxle drive bevel gear bearing as claimed in claim 1 or 2, is characterized in that: described final drive casing is provided with the oil guide slot that connects described oil-feed tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420035730.0U CN203670726U (en) | 2014-01-21 | 2014-01-21 | Lubricating system of drive axle driving bevel gear bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420035730.0U CN203670726U (en) | 2014-01-21 | 2014-01-21 | Lubricating system of drive axle driving bevel gear bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670726U true CN203670726U (en) | 2014-06-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420035730.0U Expired - Fee Related CN203670726U (en) | 2014-01-21 | 2014-01-21 | Lubricating system of drive axle driving bevel gear bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670726U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196894A (en) * | 2014-08-06 | 2014-12-10 | 广西柳工机械股份有限公司 | Primary transmission support of engineering mechanical driving bridge |
| CN108343709A (en) * | 2018-01-18 | 2018-07-31 | 杭州樱太传动机械有限公司 | A kind of gear reduction unit and its manufacturing method of high torque abrasion-resistant |
-
2014
- 2014-01-21 CN CN201420035730.0U patent/CN203670726U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196894A (en) * | 2014-08-06 | 2014-12-10 | 广西柳工机械股份有限公司 | Primary transmission support of engineering mechanical driving bridge |
| CN108343709A (en) * | 2018-01-18 | 2018-07-31 | 杭州樱太传动机械有限公司 | A kind of gear reduction unit and its manufacturing method of high torque abrasion-resistant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20150121 |
|
| EXPY | Termination of patent right or utility model |