CN204372110U - Lightweight touring car speed changer - Google Patents
Lightweight touring car speed changer Download PDFInfo
- Publication number
- CN204372110U CN204372110U CN201420851981.6U CN201420851981U CN204372110U CN 204372110 U CN204372110 U CN 204372110U CN 201420851981 U CN201420851981 U CN 201420851981U CN 204372110 U CN204372110 U CN 204372110U
- Authority
- CN
- China
- Prior art keywords
- shaft bearing
- main shaft
- speed changer
- circular groove
- bearing
- 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- Withdrawn - After Issue
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Abstract
The utility model is specially a kind of lightweight touring car speed changer, solves existing speed changer and adopts aluminum hull axial float or vexed car in speed changer easily occur to cause transmission failure and there is the problem of potential safety hazard.Main shaft bearing and counter shaft bearing are tapered roller bearing, the ear end face of fore shell has the circular groove corresponding with counter shaft bearing position, the ear end face of mainshaft bearing cap has the circular groove I corresponding with main shaft bearing position, main shaft thermal compensation pad is provided with in circular groove I, spindle spacer is provided with between main shaft thermal compensation pad and Oil Guide dish, be provided with countershaft thermal compensation pad in circular groove, between countershaft thermal compensation pad and counter shaft bearing, be provided with countershaft pad.The utility model reasonable in design is reliable, effectively improve the assembly assembly precision of gearbox, and ensure that the intensity of gear and bearing, achieve the high efficiency of speed changer, alleviate the load of synchronizer, stop the generation of fever phenomenon, there is simple, the easy to process and advantage that cost is low of structure.
Description
Technical field
The utility model relates to speed changer, is specially a kind of lightweight touring car speed changer.
Background technique
In recent years, along with the fast development of passenger vehicle and the lightweight development trend of vehicle, need alleviate the weight of speed changer, realize the energy-saving and cost-reducing requirement of car load.
In the immovable situations of related components size such as the external dimension of speed changer and the engaging width of gear, be aluminum alloy material by housing design, but when designing aluminum hull, because alloyed steel is different from die casting aluminium expansion coefficient, under normal temperature, alloyed steel is about 10, die casting aluminium is about 20, when temperature variation, because both expansivitys are different, degree of expanding with heat and contract with cold is therefore also different, cause larger gap or gapless, cause gearbox part axial play or vexed car.
Summary of the invention
The utility model adopts aluminum hull axial float or vexed car in speed changer easily occur to cause transmission failure and there is the problem of potential safety hazard to solve existing speed changer, provides a kind of lightweight touring car speed changer.
The utility model adopts following technological scheme to realize: lightweight touring car speed changer, comprise fore shell, mainshaft bearing cap is provided with on front side of fore shell, and in fore shell, be provided with main shaft bearing and counter shaft bearing, the front end of main shaft bearing is provided with Oil Guide dish, main shaft bearing and counter shaft bearing are tapered roller bearing, the ear end face of fore shell has the circular groove corresponding with counter shaft bearing position, the ear end face of mainshaft bearing cap has the circular groove I corresponding with main shaft bearing position, main shaft thermal compensation pad is provided with in circular groove I, spindle spacer is provided with between main shaft thermal compensation pad and Oil Guide dish, countershaft thermal compensation pad is provided with in circular groove, countershaft pad is provided with between countershaft thermal compensation pad and counter shaft bearing.
This speed changer adopts tapered roller bearing and sets up thermal compensation pad, in use, as part thermal expansion character in the axial direction, with regard to transmission assembly, change hardly in whole temperature province internal gasket gaps, therefore can ensure gearbox reliable operation, overcome existing speed changer and adopt aluminum hull axial float or vexed car in speed changer easily occur to cause transmission failure and there is the problem of potential safety hazard.
The utility model reasonable in design is reliable, effectively improve the assembly assembly precision of gearbox, and ensure that the intensity of gear and bearing, achieve the high efficiency of speed changer, alleviate the load of synchronizer, stop the generation of fever phenomenon, there is simple, the easy to process and advantage that cost is low of structure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-fore shell, 2-mainshaft bearing cap, 3-main shaft bearing, 4-counter shaft bearing, 5-Oil Guide dish, 6-main shaft thermal compensation pad, 7-spindle spacer, 8-countershaft thermal compensation pad, 9-countershaft pad.
Embodiment
Lightweight touring car speed changer, comprise fore shell 1, mainshaft bearing cap 2 is provided with on front side of fore shell 1, and in fore shell 1, be provided with main shaft bearing 3 and counter shaft bearing 4, the front end of main shaft bearing 3 is provided with Oil Guide dish 5, main shaft bearing 3 and counter shaft bearing 4 are tapered roller bearing, the ear end face of fore shell 1 has the circular groove corresponding with counter shaft bearing 4 position, the ear end face of mainshaft bearing cap 2 has the circular groove I corresponding with main shaft bearing 3 position, main shaft thermal compensation pad 6 is provided with in circular groove I, spindle spacer 7 is provided with between main shaft thermal compensation pad 6 and Oil Guide dish 5, countershaft thermal compensation pad 8 is provided with in circular groove, countershaft pad 9 is provided with between countershaft thermal compensation pad 8 and counter shaft bearing 4.
In specific implementation process, the formula of the part amount of expanding with heat and contract with cold is: L=Δ l Δ tP, wherein Δ l is that accessory size is poor, and Δ t is temperature difference, and P is linear expansion coeffcient.
Claims (1)
1. a lightweight touring car speed changer, comprise fore shell (1), fore shell (1) front side is provided with mainshaft bearing cap (2), and in fore shell (1), be provided with main shaft bearing (3) and counter shaft bearing (4), the front end of main shaft bearing (3) is provided with Oil Guide dish (5), it is characterized in that: main shaft bearing (3) and counter shaft bearing (4) are tapered roller bearing, the ear end face of fore shell (1) has the circular groove corresponding with counter shaft bearing (4) position, the ear end face of mainshaft bearing cap (2) has the circular groove I corresponding with main shaft bearing (3) position, main shaft thermal compensation pad (6) is provided with in circular groove I, spindle spacer (7) is provided with between main shaft thermal compensation pad (6) and Oil Guide dish (5), countershaft thermal compensation pad (8) is provided with in circular groove, countershaft pad (9) is provided with between countershaft thermal compensation pad (8) and counter shaft bearing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420851981.6U CN204372110U (en) | 2014-12-30 | 2014-12-30 | Lightweight touring car speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420851981.6U CN204372110U (en) | 2014-12-30 | 2014-12-30 | Lightweight touring car speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204372110U true CN204372110U (en) | 2015-06-03 |
Family
ID=53328332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420851981.6U Withdrawn - After Issue CN204372110U (en) | 2014-12-30 | 2014-12-30 | Lightweight touring car speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204372110U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500704A (en) * | 2014-12-30 | 2015-04-08 | 中国重汽集团大同齿轮有限公司 | Light-weight traveling car speed changer |
-
2014
- 2014-12-30 CN CN201420851981.6U patent/CN204372110U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500704A (en) * | 2014-12-30 | 2015-04-08 | 中国重汽集团大同齿轮有限公司 | Light-weight traveling car speed changer |
| CN104500704B (en) * | 2014-12-30 | 2017-01-11 | 中国重汽集团大同齿轮有限公司 | Light-weight traveling car speed changer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150603 Effective date of abandoning: 20161019 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |