CN204127278U - A kind of automatic transmission planet row - Google Patents
A kind of automatic transmission planet row Download PDFInfo
- Publication number
- CN204127278U CN204127278U CN201420650666.7U CN201420650666U CN204127278U CN 204127278 U CN204127278 U CN 204127278U CN 201420650666 U CN201420650666 U CN 201420650666U CN 204127278 U CN204127278 U CN 204127278U
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- planet wheel
- planet
- wheel shaft
- clutch
- hub
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Abstract
The utility model relates to a kind of automatic transmission planet row, comprise sun gear, hub weld assembly and planet wheel in planet carrier and clutch, in planet carrier and clutch, hub weld assembly comprises hub in the planet carrier and clutch that are welded to connect, planet wheel to be arranged in clutch on hub by planet wheel shaft, planet wheel shaft adopts multidiameter shaft, one end of planet wheel shaft is provided with the planet wheel shaft extending portion that diameter is less than planet wheel shaft body, in clutch, hub is provided with the close-fitting riveted joint groove with planet wheel shaft extending portion, planet wheel shaft and clutch hub cooperation place closely cooperate, efficiently avoid lubricant oil to run off from planet wheel shaft end face, during riveted joint, only riveted joint planet wheel shaft lower end, and because wall thickness reduction riveted joint in end is convenient, therefore the design not only meets the planet wheel function large to demand for lubricating oil amount, also reduce assembling difficulty.
Description
Technical field
The utility model relates to a kind of planet row, is applicable to multidrive, is particularly useful for 8-speed automatic transmission, specifically, relates to a kind of automatic transmission planet row, belongs to field of mechanical technique.
Background technique
Planet row is mainly used in transferring power in the transmission, is important component part in Gear Planet Transmission, its complicated structure.Because the structure of planet row is comparatively complicated, the assembly sequency of each part seems particularly important, and rationally effective assembly technology can be enhanced productivity, and reduces costs, can also provide reliable guarantee to the quality of product.
At present, the axle of even thickness that what the planet wheel shaft of speed changer planet row adopted is, after in clutch, hub welds with planet carrier, there is gap at surface of contact place, during work, from then on lubricant oil can flow out in gap, although gap diminishes after installed rows spider gear shaft, but still have lubricant oil can flow out a part from here, cause planet row lubricant oil to lack, insufficient lubrication, part oil pressure releases from planet wheel shaft end face, the demand of planet row to lubricant oil can not be met, planet wheel insufficient lubrication, easily cause planet wheel scaling loss, reduce the safety coefficient of gearbox, add cost.
Adopt two ends riveting method during planet wheel riveted joint, lower riveted joint end makes planet wheel shaft distortion be riveted on planet carrier, and upper riveted joint end makes planet carrier be out of shape and fixes planet wheel shaft, and so upper and lower two ends fixedly make planet wheel shaft fix.Two ends riveted joint is not only riveted difficulty but also is planet carrier is out of shape the axial dimension of planet carrier will be made like this to change when riveting in upper end, planet is caused to take turns to the gap smaller of planet carrier, make planet wheel to seize up, the serious problems such as a planet wheel scaling loss will be gone out like this under complex working condition.
Model utility content
The technical problems to be solved in the utility model is for above deficiency, a kind of automatic transmission planet row is provided, solve lubricant oil in prior art easily reveal from planet wheel shaft end face thus cause the defect of planet wheel scaling loss, after adopting planet row of the present utility model, planet wheel shaft end coordinates closely with hub cooperation place in clutch, effectively avoid the problem that lubricant oil is revealed from planet wheel shaft end face, reliable product quality, long service life.
For solving above technical problem, the utility model is by the following technical solutions: a kind of automatic transmission planet row, comprise hub weld assembly and planet wheel in sun gear, planet carrier and clutch, in planet carrier and clutch, hub weld assembly comprises hub in the planet carrier and clutch that are welded to connect, and planet wheel to be arranged in clutch on hub by planet wheel shaft.
A kind of optimized project, described planet wheel shaft comprises planet wheel shaft body, and one end of planet wheel shaft body is provided with planet wheel shaft extending portion, and the diameter of planet wheel shaft extending portion is less than the diameter of planet wheel shaft body;
In described clutch, the inwall of hub is provided with the close-fitting riveted joint groove with planet wheel shaft extending portion.
Another kind of optimized project, the other end of described planet wheel shaft body is provided with the groove for correcting direction when mounted.
Another optimized project, is provided with bearing in hub weld assembly in described planet carrier and clutch;
Bearing is provided with between described planet wheel and planet wheel shaft;
Planet wheel thrust washer is respectively equipped with between hub weld assembly in the two ends of described planet wheel and planet carrier and clutch.
Further optimized project, is provided with two groups of sun gear thrust washers between hub weld assembly in described sun gear and planet carrier and clutch;
Sun gear thrust bearing is provided with between described two groups of sun gear thrust washers.
After the utility model adopts above technological scheme, compared with prior art, have the following advantages: planet wheel shaft adopts multidiameter shaft, one end of planet wheel shaft is provided with the planet wheel shaft extending portion that diameter is less than planet wheel shaft body, in clutch, hub is provided with the close-fitting riveted joint groove with planet wheel shaft extending portion, planet wheel shaft and clutch hub cooperation place closely cooperate, efficiently avoid lubricant oil to run off from planet wheel shaft end face, during riveted joint, only riveted joint planet wheel shaft lower end, and because wall thickness reduction riveted joint in end is convenient, therefore the design not only meets the planet wheel function large to demand for lubricating oil amount, also reduce assembling difficulty.
Below in conjunction with drawings and Examples, the utility model is described in detail.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of planet row in the utility model embodiment;
Accompanying drawing 2 is using state schematic diagram of planet wheel shaft in the utility model embodiment;
Accompanying drawing 3 is structural representations of planet wheel shaft in the utility model embodiment;
Accompanying drawing 4 is partial sectional views of hub in clutch in the utility model embodiment;
Accompanying drawing 5 is structural representations of hub and planet wheel shaft riveted joint place in clutch in the utility model embodiment;
In figure,
1-sun gear, hub weld assembly in 2-planet carrier and clutch, 3-planet wheel shaft, 31-planet wheel shaft body, 32-planet wheel shaft extending portion, 33-groove, 34-oil duct, 4-planet wheel, 5-bearing, 6-planet wheel thrust washer, 7-sun gear thrust washer, 8-sun gear thrust bearing, 9-bearing, hub in 10-clutch, 11-rivets groove, 12-riveted joint place.
Embodiment
Embodiment, as shown in Figures 2 and 3, a kind of automatic transmission planet row, comprise hub weld assembly 2 and planet wheel 4 in sun gear 1, planet carrier and clutch, in planet carrier and clutch, hub weld assembly 2 comprises hub 10 in the planet carrier and clutch that are welded to connect, sun gear 1 to be sleeved in planet carrier and clutch on hub weld assembly 2, sun gear thrust washer 7 is provided with between hub weld assembly 2 in sun gear 1 and planet carrier and clutch, sun gear thrust washer 7 is provided with two groups, is provided with sun gear thrust bearing 8 between two groups of sun gear thrust washers 7.
Described planet wheel 4 to be arranged in planet carrier and clutch on hub weld assembly 2 by planet wheel shaft 3, planet wheel 4 and sun gear 1 engagement driving, bearing 5 is provided with between planet wheel 4 and planet wheel shaft 3, needle bearing selected by described bearing 5, is respectively equipped with planet wheel thrust washer 6 in the two ends of planet wheel 4 and planet carrier and clutch between hub weld assembly 2;
Be provided with bearing 9 in hub weld assembly 2 in described planet carrier and clutch, bearing 9 is positioned at the lower end of input shaft, described Selection of Bearings deep groove ball bearing.
As shown in Figure 4, described planet wheel shaft 3 comprises planet wheel shaft body 31, one end of planet wheel shaft body 31 is provided with planet wheel shaft extending portion 32, the diameter of planet wheel shaft extending portion 32 is less than the diameter of planet wheel shaft body 31, the other end of planet wheel shaft body 31 is provided with groove 33, groove 33 is for correcting direction when mounted, and the internal run-through of planet wheel shaft body 31 has oil duct 34, for realizing the circulation of lubricant oil.
As shown in Figure 5, in clutch, the inwall of hub 10 is provided with riveted joint groove 11, described riveted joint groove 11 is blind hole, riveted joint groove 11 is for coordinating with planet wheel shaft extending portion 32, during assembling, planet wheel shaft extending portion 32 is put into the riveted joint groove 11 of clutch hub 10, in planet wheel shaft 3 and clutch, hub 10 closely cooperates closely, efficiently avoid lubricant oil to run off from planet wheel shaft end face, and due to end wall thickness reduction, riveted joint is convenient, not only meet the function that planet wheel is large to demand for lubricating oil amount, also reduce assembling difficulty.
The above is the citing of the utility model preferred forms, and the part wherein do not addressed in detail is the common practise of those of ordinary skill in the art.Protection domain of the present utility model is as the criterion with the content of claim, and any equivalent transformation carried out based on technology enlightenment of the present utility model, also within protection domain of the present utility model.
Claims (5)
1. an automatic transmission planet row, be characterised in that: described planet row comprises hub weld assembly (2) and planet wheel (4) in sun gear (1), planet carrier and clutch, in planet carrier and clutch, hub weld assembly (2) comprises hub (10) in the planet carrier and clutch that are welded to connect, and planet wheel (4) is arranged on hub in clutch (10) by planet wheel shaft (3).
2. a kind of automatic transmission planet row as claimed in claim 1, it is characterized in that: described planet wheel shaft (3) comprises planet wheel shaft body (31), one end of planet wheel shaft body (31) is provided with planet wheel shaft extending portion (32), and the diameter of planet wheel shaft extending portion (32) is less than the diameter of planet wheel shaft body (31);
In described clutch, the inwall of hub (10) is provided with the close-fitting riveted joint groove (11) with planet wheel shaft extending portion (32).
3. a kind of automatic transmission planet row as claimed in claim 2, is characterized in that: the other end of described planet wheel shaft body (31) is provided with the groove (33) for correcting direction when mounted.
4. a kind of automatic transmission planet row as claimed in claim 2, is characterized in that: be provided with bearing (9) in hub weld assembly (2) in described planet carrier and clutch;
Bearing (5) is provided with between described planet wheel (4) and planet wheel shaft (3);
Planet wheel thrust washer (6) is respectively equipped with between hub weld assembly (2) in the two ends of described planet wheel (4) and planet carrier and clutch.
5. a kind of automatic transmission planet row as claimed in claim 4, is characterized in that: be provided with two groups of sun gear thrust washers (7) between hub weld assembly (2) in described sun gear (1) and planet carrier and clutch;
Sun gear thrust bearing (8) is provided with between described two groups of sun gear thrust washers (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420650666.7U CN204127278U (en) | 2014-11-04 | 2014-11-04 | A kind of automatic transmission planet row |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420650666.7U CN204127278U (en) | 2014-11-04 | 2014-11-04 | A kind of automatic transmission planet row |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204127278U true CN204127278U (en) | 2015-01-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420650666.7U Active CN204127278U (en) | 2014-11-04 | 2014-11-04 | A kind of automatic transmission planet row |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204127278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438968A (en) * | 2016-12-07 | 2017-02-22 | 天津天海同步集团有限公司 | Planet gear row positioning lubricating structure capable of being used for two-gear transmission |
-
2014
- 2014-11-04 CN CN201420650666.7U patent/CN204127278U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438968A (en) * | 2016-12-07 | 2017-02-22 | 天津天海同步集团有限公司 | Planet gear row positioning lubricating structure capable of being used for two-gear transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENGRUI TRANSMISSION CORPORATION LIMITED Free format text: FORMER OWNER: WEIFANG SHENGRUI POWER SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150604 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150604 Address after: 261205 Weifang high tech Industrial Development Zone, Shandong Sheng Rui street, No. 518 Patentee after: Shengrui Transmission Corporation limited Address before: 261205 Shandong city of Weifang province high tech Zone East of Ying Wei An Lu Bao Xiang No. 436 Patentee before: Weifang Shengrui Power Science & Technology Co., Ltd. |