CN205278323U - Derailleur bearing lubricating structure - Google Patents
Derailleur bearing lubricating structure Download PDFInfo
- Publication number
- CN205278323U CN205278323U CN201521036536.5U CN201521036536U CN205278323U CN 205278323 U CN205278323 U CN 205278323U CN 201521036536 U CN201521036536 U CN 201521036536U CN 205278323 U CN205278323 U CN 205278323U
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- Prior art keywords
- shaft
- gear
- bearing
- oil
- transmission
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- 230000001050 lubricating effect Effects 0.000 title abstract description 5
- 239000003921 oil Substances 0.000 claims abstract description 61
- 238000005461 lubrication Methods 0.000 claims abstract description 34
- 239000010687 lubricating oil Substances 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims description 59
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract 5
- 238000007654 immersion Methods 0.000 description 4
- 230000012447 hatching Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model relates to a derailleur bearing lubricating structure, this derailleur include gearbox housing, set up the upper cover at the gearbox housing top, and the guide plate, the one end of guide plate is passed through the fastener and is connected on the upper cover lower platform who is close to the output bearing, the oil storage tank that its other end was just seted up on the gearbox housing inner wall for the free end, the through -hole of seting up on this oil storage tank and the gearbox housing is linked together, the lubricated oil duct of offering on this through -hole and the rear end shield is linked together, the oil -recovery tank of offering on this lubrication oil duct and the gearbox housing is linked together, the last oil -recovery tank of having seted up simultaneously of rear end shield, the lubrication oil that assembles when output bearing bottom highly is higher than the oil -recovery tank breach when high, lubricating oil can get into in the oil -recovery tank, and inside the through -hole on the gearbox housing who is linked together with the oil -recovery tank flows back into gearbox housing, thereby realize the circulation of lubricating oil. The utility model discloses the realization of simple economy the compulsory flooding system lubrication of the high -order bearing of derailleur to ideal lubricated effect has been reached.
Description
The technical field is as follows:
the utility model belongs to the technical field of the derailleur, concretely relates to derailleur bearing lubricating structure.
Background art:
lubrication of a bearing of a transmission is critical to the service life of the transmission, the bearing is prone to early failure due to poor lubrication, typical failure modes include pitting corrosion of a roller path and a rolling element, ablation of an inner ring and an outer ring, damage of a retainer and the like, common lubrication methods include oil immersion lubrication, splash lubrication, spray lubrication and the like, oil immersion lubrication is compared with other two types of lubrication, the effect is good, the cost is low, the splash lubrication effect influence factors are more, the oil quantity is not sufficient, extra lubricating oil pumps, oil pipes and other devices are needed for spray lubrication, and the power consumption and the cost are high. The output bearings of most of transmissions are located at the high position of the transmissions, and when gaps between parts adjacent to the bearings are small, splashed oil can be greatly prevented from entering the output bearings, so that the lubrication of the output bearings of the transmissions is poor, and the early failure of the bearings is easy to occur.
The utility model has the following contents:
an object of the utility model is to prior art not enough, provide a derailleur bearing lubricating structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a bearing lubrication structure of a transmission comprises a transmission shell, an upper cover arranged on the top of the transmission shell, and a flow guide plate; wherein,
the transmission shell is internally provided with a first shaft, a second shaft, an intermediate shaft and a reverse intermediate shaft, wherein the first shaft and the second shaft are coaxially arranged, the second shaft, the intermediate shaft and the reverse intermediate shaft are arranged in parallel, the intermediate shaft is positioned right below the second shaft, and the reverse intermediate shaft is positioned below the left side of the second shaft and above the left side of the intermediate shaft;
the two shafts are movably connected with the transmission shell through an output bearing, the front ends of the two shafts are supported on an inner hole bearing of the first shaft, namely a front bearing of the two shafts, and a rear bearing cover is arranged at the rear end of the transmission shell close to the output bearing;
one end of the guide plate is connected to a small platform at the bottom of the upper cover close to the output bearing through a fastener, the other end of the guide plate is a free end and faces to an oil storage tank additionally arranged on the inner wall of the transmission shell, the oil storage tank is communicated with a through hole formed in the transmission shell, the through hole is communicated with a lubricating oil channel formed in the rear bearing cover, an oil return groove is formed in the lower portion of the rear bearing cover, and the tail end of the oil return groove is communicated with the inside of the transmission shell through the through hole formed in the transmission shell.
The utility model has the further improvement that a shaft gear is arranged on a shaft;
a four-fifth gear synchronizer, a two-shaft four-gear, a two-shaft three-gear, a two-third gear synchronizer, a two-shaft two-gear, a two-shaft first gear, a reverse first gear synchronizer and a two-shaft reverse gear are sequentially arranged on the two shaft from the front end to the rear end;
an intermediate shaft five-gear, an intermediate shaft four-gear, an intermediate shaft three-gear, an intermediate shaft two-gear, an intermediate shaft one-gear and an intermediate shaft reverse gear are sequentially arranged on the intermediate shaft from the front end to the rear end;
a reverse intermediate shaft gear is arranged on the reverse intermediate shaft;
wherein, the one end of guide plate is connected on the upper cover bottom platform that is close to two axles first shelves gear top, and the height of guide plate free end front end is less than the height of two axles first shelves gear tooth root calotte portion.
The utility model discloses further improvement lies in, through a bearing swing joint between one and the gearbox housing, through two front bearing swing joints between the front end of two axles and the gearbox housing, through jackshaft front bearing swing joint between the front end of jackshaft and the gearbox housing, through jackshaft rear bearing swing joint between rear end and the gearbox housing.
The utility model discloses a further improvement lies in, transmission housing's front end is provided with clutch housing.
The utility model discloses a further improvement lies in, the fastener is the bolt.
The utility model discloses further improvement lies in, has lock washer on the bolt.
The utility model discloses a further improvement lies in, and the guide plate includes fashioned connecting plate of integration and U type groove.
The utility model discloses further improvement lies in, and the lubricating oil runner cross sectional area in U type groove reduces from oil inlet to oil-out gradually.
The utility model discloses a further improvement lies in, the right side trough rim height of oil gallery and the top of output bearing bottom rolling element are equal height.
Compared with the prior art, the utility model has the advantages of:
1) the forced oil immersion lubrication of the high-position bearing of the transmission is simply and economically realized under the conditions of not increasing other power consumption lubrication means such as a pump lubrication system and not increasing the axial length of the transmission, and an ideal lubrication effect is achieved through test comparison.
2) Compared with the lubrication of traditional immersion oil, the utility model discloses the lubrication is in output bearing outside bottom formation and the approximately oil bath that matches of output bearing bottom rolling element top height, and lubricated mode is the infiltration lubrication of an outside-in from, and the oil level height can be adjusted through the position in oil return groove, and simple economy realizes oil circulation.
Description of the drawings:
FIG. 1 is a schematic view of an application box type structure of the present invention;
fig. 2 is a sectional view of the output bearing lubrication structure of the present invention;
FIG. 3 is a partial structural view of the rear bearing cap of the present invention;
fig. 4 is a three-dimensional view of the oil guide plate structure of the present invention.
In the figure: 1. a clutch housing; 2. a transmission housing; 3. a shaft gear; 4. a fourth gear synchronizer and a fifth gear synchronizer; 5. a two-shaft four-gear; 6. a two-shaft three-gear; 7. a second gear synchronizer and a third gear synchronizer; 8. a second gear; 9. a two-shaft first-gear; 10. a reverse first gear synchronizer; 11. a two-shaft reverse gear; 12. an oil guide plate; 13. a rear bearing cap; 14. an output bearing; 15. two axes; 16. a rear bearing of the intermediate shaft; 17. an intermediate shaft; 18. a reverse countershaft gear; 19. a reverse intermediate shaft; 20. a countershaft second gear wheel; 21. a middle shaft three-gear; 22. a middle shaft four-gear; 23. a middle shaft five-gear; 24. a front bearing of the intermediate shaft; 25. a shaft bearing; 26. a two-axis front bearing; 27. an upper cover; 28. a bolt; 29. a lubricating oil passage; 30. an oil return groove.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the present invention relates to a transmission bearing lubrication structure, which includes a transmission housing 2, an upper cover 27 disposed on the top of the transmission housing 2, and a guide plate 12; wherein,
A first shaft, a second shaft 15, an intermediate shaft 17 and a reverse intermediate shaft 19 are arranged in the transmission housing 2, wherein the first shaft and the second shaft 15 are coaxially arranged, the second shaft 15, the intermediate shaft 17 and the reverse intermediate shaft 19 are arranged in parallel, the intermediate shaft 17 is positioned right below the second shaft 15, and the reverse intermediate shaft 19 is positioned below the left side of the second shaft 15 and above the left side of the intermediate shaft 17;
the double shaft 15 is movably connected with the transmission housing 2 through an output bearing 14, the front end of the double shaft 15 is supported on an inner hole bearing of the first shaft, namely a double bearing front bearing 26, and a rear bearing cover 13 is arranged at the rear end of the transmission housing 2 close to the output bearing 14;
one end of the guide plate 12 is connected to a small platform at the bottom of the upper cover 27 close to the output bearing 14 through a fastener, the other end of the guide plate is a free end and faces to an oil storage tank additionally arranged on the inner wall of the transmission housing 2, the oil storage tank is communicated with a through hole formed in the transmission housing 2, the through hole is communicated with a lubricating oil channel 29 formed in the rear bearing cover 13, an oil return groove 30 is formed in the lower part of the rear bearing cover 13, and the tail end of the oil return groove 30 is communicated with the inside of the transmission housing 2 through the through hole formed in the transmission housing 2.
Furthermore, in the transmission of the present invention, a shaft gear 3 is disposed on a shaft; a four-fifth gear synchronizer 4, a two-shaft four-gear 5, a two-shaft three-gear 6, a two-third gear synchronizer 7, a two-shaft two-gear 8, a two-shaft first gear 9, a reverse first gear synchronizer 10 and a two-shaft reverse gear 11 are sequentially arranged on the two shaft 15 from the front end to the rear end; an intermediate shaft five-gear 23, an intermediate shaft four-gear 22, an intermediate shaft three-gear 21, an intermediate shaft two-gear 20, an intermediate shaft first-gear and an intermediate shaft reverse gear are sequentially arranged on the intermediate shaft 17 from the front end to the rear end; the reverse counter shaft 19 is provided with a reverse counter shaft gear 18.
Wherein, one end of the deflector 12 is connected to the platform at the bottom of the upper cover 27 near the top of the first gear 9, and the height of the front end of the free end of the deflector 12 is lower than that of the root dome of the first gear 9.
As shown in fig. 4, the flow guide plate 12 includes a connecting plate and a U-shaped groove which are integrally formed, and the sectional area of the lubricating oil flow passage of the U-shaped groove is gradually reduced from the oil inlet to the oil outlet.
The utility model discloses transmission housing 2's bottom is the oil bath, and lubricating oil level highly is higher than jackshaft 17's axis, and when derailleur during operation, the epaxial gear of two 15 can throw away with the lubricating oil that the gear engagement on the jackshaft 17 of lower part stirred, and concrete lubricated implementation process is as follows:
1) and collecting splashed oil in the box body. The utility model discloses on the upper cover 27 bottom surface of the rotatory one side of the first gear of the second axle 9 of meeting, connect through bolt 28 and lead oiled-plate 12, collect the lubricating oil that the first gear of second axle 9 anticlockwise rotation was thrown away, like the installation back of the first gear of oil guide 12 shown in fig. 2, its free end should be less than the root circle top of the first gear of second axle 9, the lubricating oil that the collection that like this can be as much as possible was thrown away, the binding off shape of leading oiled-plate 12 prevents the interference with other motion parts on the one hand, on the other hand lets lubricating oil flow to the oil storage tank of derailleur casing 2 with higher speed, the great inclination of leading oiled-plate 12 bottom also can let lubricating oil flow with certain speed. The bolt 28 with the anti-loose washer can effectively ensure the reliable connection of the oil guide plate 12.
2) Lubrication of the output bearing and oil circulation. After the oil guide plate 12 collects the lubricating oil splashed inside the box body, the lubricating oil can flow to an oil storage groove of the transmission housing 2 at a higher speed, a through hole arranged on the rear end face of the transmission housing 2 is communicated with the bottom of the oil storage groove of the transmission housing 2, the lubricating oil in the oil storage groove can flow to a lubricating oil channel 29 of the rear bearing cover 13 through the through hole on the transmission housing 2, passes through the inner wall of the lubricating oil channel 29 of the rear bearing cover 13 and finally reaches a bottom roller of the output bearing 14, as shown by the oil path trend with an arrow dotted line in fig. 2 and fig. 3, the lubricating oil in the region is converged into an arc-shaped oil pool at the bottom of the output bearing 14 as shown by a hatching in fig. 3, and the lubricating oil in the region can enter the output; as shown in fig. 3, when the oil level of the lubricating oil is higher than the gap of the oil return groove 30 of the rear bearing cover 13 as shown by the hatching, and when the oil level is higher than the gap of the right side of the oil return groove 30, the lubricating oil enters the oil return groove 30 and flows back into the transmission housing 2 through the through hole on the transmission housing 2 communicated with the center of the tail end of the oil return groove 30, so as to realize the circulation of the lubricating oil.
Claims (9)
1. A transmission bearing lubrication structure characterized by comprising a transmission case (2), an upper cover (27) provided on the top of the transmission case (2), and a baffle plate (12); wherein,
the transmission shell (2) is internally provided with a first shaft, a second shaft (15), an intermediate shaft (17) and a reverse intermediate shaft (19), wherein the first shaft and the second shaft (15) are coaxially arranged, the second shaft (15), the intermediate shaft (17) and the reverse intermediate shaft (19) are arranged in parallel, the intermediate shaft (17) is positioned right below the second shaft (15), and the reverse intermediate shaft (19) is positioned below the left side of the second shaft (15) and above the left side of the intermediate shaft (17);
the double shaft (15) is movably connected with the transmission shell (2) through an output bearing (14), the front end of the double shaft (15) is supported on an inner hole bearing of the first shaft, namely a double bearing front bearing (26), and a rear bearing cover (13) is arranged at the rear end of the transmission shell (2) close to the output bearing (14);
one end of the guide plate (12) is connected to a small platform at the bottom of an upper cover (27) close to the output bearing (14) through a fastener, the other end of the guide plate is a free end and faces to an oil storage tank additionally arranged on the inner wall of the transmission shell (2), the oil storage tank is communicated with a through hole formed in the transmission shell (2), the through hole is communicated with a lubricating oil channel (29) formed in the rear bearing cover (13), an oil return groove (30) is formed in the lower part of the rear bearing cover (13), and the tail end of the oil return groove (30) is communicated with the inside of the transmission shell (2) through the through hole formed in the transmission shell (2).
2. A transmission bearing lubrication structure according to claim 1, characterised in that a shaft gear (3) is provided on a shaft;
a four-fifth gear synchronizer (4), a two-shaft four-gear (5), a two-shaft three-gear (6), a two-third gear synchronizer (7), a two-shaft two-gear (8), a two-shaft first gear (9), a reverse first gear synchronizer (10) and a two-shaft reverse gear (11) are sequentially arranged on the two shaft (15) from the front end to the rear end;
an intermediate shaft five-gear (23), an intermediate shaft four-gear (22), an intermediate shaft three-gear (21), an intermediate shaft two-gear (20), an intermediate shaft first-gear and an intermediate shaft reverse gear are sequentially arranged on the intermediate shaft (17) from the front end to the rear end;
a reverse intermediate shaft gear (18) is arranged on the reverse intermediate shaft (19);
one end of the guide plate (12) is connected to a platform at the bottom of the upper cover (27) close to the top of the first gear wheel (9), and the height of the front end of the free end of the guide plate (12) is lower than that of the root dome part of the first gear wheel (9).
3. A transmission bearing lubrication arrangement as claimed in claim 1, characterised in that the first shaft is movably connected to the transmission housing (2) by a first shaft bearing (25), the front end of the second shaft (15) is movably connected to the transmission housing (2) by a second shaft front bearing (26), the front end of the intermediate shaft (17) is movably connected to the transmission housing (2) by an intermediate shaft front bearing (24), and the rear end is movably connected to the transmission housing (2) by an intermediate shaft rear bearing (16).
4. A transmission bearing lubrication structure according to claim 1, characterised in that the front end of the transmission housing (2) is provided with a clutch housing (1).
5. A variator bearing lubrication arrangement as claimed in claim 1, in which the fasteners are bolts (28).
6. A variator bearing lubrication arrangement as claimed in claim 5, in which the bolt (28) carries a lock washer.
7. A transmission bearing lubrication structure according to claim 1, characterised in that the deflector (12) comprises an integrally formed web and a U-shaped groove.
8. The lubrication structure for a bearing of a transmission of claim 7, wherein a cross-sectional area of a flow path of the lubricating oil in the U-shaped groove is gradually reduced from an oil inlet to an oil outlet.
9. A transmission bearing lubrication structure according to claim 1, characterised in that the height of the right side groove edge of the oil return groove (30) is equal to the height of the top of the rolling elements at the bottom of the output bearing (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521036536.5U CN205278323U (en) | 2015-12-11 | 2015-12-11 | Derailleur bearing lubricating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521036536.5U CN205278323U (en) | 2015-12-11 | 2015-12-11 | Derailleur bearing lubricating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205278323U true CN205278323U (en) | 2016-06-01 |
Family
ID=56062901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521036536.5U Active CN205278323U (en) | 2015-12-11 | 2015-12-11 | Derailleur bearing lubricating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205278323U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370868A (en) * | 2015-12-11 | 2016-03-02 | 陕西法士特齿轮有限责任公司 | Transmission bearing lubrication mechanism |
-
2015
- 2015-12-11 CN CN201521036536.5U patent/CN205278323U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370868A (en) * | 2015-12-11 | 2016-03-02 | 陕西法士特齿轮有限责任公司 | Transmission bearing lubrication mechanism |
| CN105370868B (en) * | 2015-12-11 | 2018-03-09 | 陕西法士特齿轮有限责任公司 | A kind of transmission bearing lubrication system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |