CN207539321U - A kind of central reducer unit bearing lubrication structure - Google Patents
A kind of central reducer unit bearing lubrication structure Download PDFInfo
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- CN207539321U CN207539321U CN201721447209.8U CN201721447209U CN207539321U CN 207539321 U CN207539321 U CN 207539321U CN 201721447209 U CN201721447209 U CN 201721447209U CN 207539321 U CN207539321 U CN 207539321U
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- oil
- input shaft
- hole seat
- shaft bearing
- reducer shell
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Abstract
The utility model provides a kind of central reducer unit bearing lubrication structure, is related to retarder technical field, including reducer shell and input shaft bearing lid；Input shaft bearing installation hole seat is provided on the reducer shell, input shaft bearing lid is mounted on the position of input shaft bearing mounting hole on reducer shell；The first oil-feed tank radially is provided on the first half of the input shaft bearing installation hole seat, the first oil-feed tank oil inlet top is provided with the first oil collecting zone on reducer shell, and the first oil collecting zone is installed by the first oil-feed tank and input shaft bearing and connected inside hole seat.The splashing oil that the rotation of retarder internal gear stirs, the oil that splashes is got on the inner wall of reducer shell, by arranging the first oil collecting zone on the first oil-feed tank of reducer shell periphery, entering the lubricating oil of the first oil collecting zone can flow along the first oil-feed tank, reach input shaft bearing bottom rolling element, realize the lubrication to retarder bearing and cooling, and it is economical, simple, feasibility is strong.
Description
Technical field
The utility model is related to retarder technical field, specially a kind of central reducer unit bearing lubrication structure.
Background technology
With the development of economy with the continuous improvement of living standards of the people, the ownership of automobile is constantly increasing, due to vapour
Vehicle increases, and tail gas pollution problem is increasingly prominent, is increasingly becoming one of important sources of atmosphere pollution, therefore there is an urgent need for develop new energy
Source automobile is polluted with reducing.
Electric vehicle is as one of new-energy automobile, and Preliminary Applications are in actual production life, in pure electric vehicle highway
In the exploitation of vehicle central reducer unit, the lubrication of bearing is one of critical issue in exploitation, particularly input shaft bearing, due to rotating speed
Height reaches as high as 10000rpm, therefore there is an urgent need for develop central reducer unit bearing lubrication structure.
Utility model content
The utility model provides a kind of central reducer unit bearing lubrication structure, and economical simple, feasibility is strong, can solve this
The lubrication of central reducer unit product bearing and cooling problem.
The utility model is to be achieved through the following technical solutions：
A kind of central reducer unit bearing lubrication structure, including reducer shell and input shaft bearing lid；
Input shaft bearing installation hole seat is provided on the reducer shell, input shaft bearing lid is mounted on defeated on reducer shell
Enter the position of bearing mounting hole；
The first oil-feed tank radially is provided on the first half of input shaft bearing installation hole seat, the on reducer shell
The first oil collecting zone is provided with above one oil-feed tank oil inlet, hole seat is installed in the first oil collecting zone by the first oil-feed tank and input shaft bearing
Inside connection.
Optionally, first oil collecting zone is surrounded by oil-collecting gusset, and oil-collecting gusset is connected and is less than with reducer shell
Input shaft bearing installs the inner face of hole seat.
Optionally, the inner face of oil-collecting gusset is less than the inner face 10mm of input shaft bearing installation hole seat.
Optionally, the first oil discharge outlet radially is provided on the lower half of the input shaft bearing installation hole seat.
Optionally, the input shaft bearing covers position corresponding with the first oil-feed tank and is provided with oil inlet notch, input shaft bearing
Covering position corresponding with the first oil discharge outlet has oil extraction notch.
Optionally, intermediate bearing installation hole seat is additionally provided on the reducer shell, intermediate bearing installs the upper of hole seat
The second oil-feed tank radially is provided in half portion, the second oil-feed tank oil inlet top is provided with the second oil-collecting on reducer shell
Area, the second oil collecting zone are installed with intermediate bearing by the second oil-feed tank and are connected inside hole seat.
Optionally, second oil collecting zone is surrounded by oil-collecting gusset, and oil-collecting gusset is connected and is less than with reducer shell
Intermediate bearing installs the inner face of hole seat.
Optionally, oil-collecting gusset is less than the inner face 10mm of intermediate bearing installation hole seat.
Optionally, the second oil discharge outlet radially is provided on the lower half of the intermediate bearing installation hole seat.
Optionally, output bearing mounting hole seat is additionally provided on the reducer shell, in use, output bearing mounting hole
The lower end of seat is immersed in lubricating oil.
Compared with prior art, the utility model has technique effect beneficial below：
The utility model provides a kind of retarder bearing lubrication structure, by being provided with input shaft bearing on reducer shell
Hole seat is installed, input shaft bearing lid is mounted on to the position of input shaft bearing mounting hole on reducer shell, in input shaft bearing mounting hole
The first oil-feed tank radially is provided on the first half of seat, is provided with above the first oil-feed tank oil inlet on reducer shell
First oil collecting zone, the first oil collecting zone are installed with input shaft bearing by the first oil-feed tank and are connected inside hole seat, retarder internal tooth rotation
The dynamic splashing oil stirred, the oil that splashes are got on the inner wall of reducer shell, and into the first oil collecting zone, then lubricating oil can be along the
One oil-feed tank flows, and reaches input shaft bearing bottom rolling element, realizes the lubrication to input shaft bearing and cooling, and economic letter
Single, feasibility is strong.
Further, the splashing oil stirred by the rotation of retarder internal gear, the oil that splashes get to the inner wall of reducer shell
On, into the second oil collecting zone, then lubricating oil can be flowed along the second oil-feed tank, reached intermediate bearing bottom rolling element, realized
Lubrication and cooling to intermediate bearing.
Further, input shaft bearing is discharged by the first oil discharge outlet and lubricating oil extra in hole seat is installed, pass through second row
Extra lubricating oil, both ensure that the lubrication of bearing, and had had the work for not influencing retarder in hydraulic fluid port discharge intermediate bearing installation hole seat
Make.
Description of the drawings
Fig. 1 is a kind of schematic diagram of retarder lubrication system provided by the utility model；
Fig. 2 is a kind of schematic diagram of reducer shell 1 provided by the utility model；
Fig. 3 is a kind of schematic diagram of input shaft bearing lid 2 provided by the utility model.
In figure：1. reducer shell, 2. input shaft bearing lids, 11. first oil collecting zones, 12. second oil collecting zones, 13. first rows
Hydraulic fluid port, 14. first oil-feed tanks, 15. second oil-feed tanks, 16. second oil discharge outlets, 21. oil inlet notches, 22. oil extraction notches.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, it is described be the explanation to the utility model and
It is not to limit.
Fig. 1 is a kind of central reducer unit bearing lubrication structure that the utility model embodiment provides, as shown in Figure 1, including
Reducer shell 1 and input shaft bearing lid 2；
Input shaft bearing installation hole seat, intermediate bearing installation hole seat and output bearing mounting hole are provided on reducer shell 1
Seat, input shaft bearing lid 2 are mounted on the position of input shaft bearing mounting hole on reducer shell 1；
The first oil-feed tank 14 radially is provided on the first half of input shaft bearing installation hole seat, the on reducer shell 1
The first oil collecting zone 11 is provided with above one oil-feed tank, 14 oil inlet, the first oil collecting zone 11 passes through the first oil-feed tank 14 and input shaft bearing
It installs and is connected inside hole seat.First oil collecting zone 11 is surrounded by oil-collecting gusset, and oil-collecting gusset and reducer shell 1 are connected and be less than
Input shaft bearing installs the inner face of hole seat, for example, the inner face of oil-collecting gusset can be less than the inner end of input shaft bearing installation hole seat
Face 10mm.The first oil discharge outlet 13 radially is provided on the lower half of input shaft bearing installation hole seat.
Wherein, due to oil-collecting gusset and reducer shell 1 connect and less than input shaft bearing installation hole seat inner face, because
This lubricating oil to splash in reducer gear high-speed rotation enters the first oil collecting zone 11, passes through the first oil-feed tank 14
Input shaft bearing is lubricated, when being additionally provided with reinforcing rib on reducer shell 1, the inner face of oil-collecting gusset, which will also be less than, to be added
The inner face of strengthening tendons plate.
It should be noted that central reducer unit setting angle and 12.5 ° of horizontal tilt, input shaft bearing are located at retarder highest
Position, the top of reducer shell 1 is in actual use, the side after the assembling of reducer shell 1 upward, input shaft bearing is installed
The first half of hole seat was located at the portion above the plane in input shaft bearing installation hole seat axle center when being 1 normal mounting of reducer shell
Point.
It is exemplary, as shown in Figure 1, the first oil discharge outlet 13 is located at M line positions, when input shaft bearing installs the lubrication in hole seat
When oil is higher than M lines, lubricating oil is flowed back into from the first oil discharge outlet 13 inside retarder.
Correspondingly, as shown in Fig. 2, on input shaft bearing lid 2 and 14 corresponding position of the first oil-feed tank is provided with oil inlet notch
21, there is oil extraction notch 22 on input shaft bearing lid 2 and 13 corresponding position of the first oil discharge outlet.
The second oil-feed tank 15 radially is provided on the first half of intermediate bearing installation hole seat, the on reducer shell 1
The second oil collecting zone 12 is provided with above two oil-feed tanks, 15 oil inlet, the second oil collecting zone 12 passes through the second oil-feed tank 15 and intermediate bearing
It installs and is connected inside hole seat.Second oil collecting zone 12 is surrounded by oil-collecting gusset, and oil-collecting gusset and reducer shell 1 are connected and be less than
Intermediate bearing installs the inner face of hole seat, for example, oil-collecting gusset can be less than the inner face 10mm of intermediate bearing installation hole seat.In
Between bearing mounting hole seat lower half on be provided with the second oil discharge outlet 16 radially.
Wherein, due to oil-collecting gusset and reducer shell 1 connect and less than intermediate bearing installation hole seat inner face, because
This lubricating oil to splash in reducer gear high-speed rotation enters the second oil collecting zone 12, passes through the second oil-feed tank 15
Input shaft bearing is lubricated, when being additionally provided with reinforcing rib on reducer shell 1, the inner face of oil-collecting gusset, which will also be less than, to be added
The inner face of strengthening tendons plate.
It should be noted that during the first half of intermediate bearing installation hole seat was located at when being 1 normal mounting of reducer shell
Between bearing mounting hole seat axle center plane above part.
It is exemplary, as shown in Figure 1, the first oil discharge outlet 13 is located at N line positions, when intermediate bearing installs the lubrication in hole seat
When oil is higher than N lines, lubricating oil is flowed back into from the first oil discharge outlet 13 inside retarder.
Output bearing mounting hole seat is located at extreme lower position, defeated when exporting bearing on output bearing mounting hole seat
Go out bearing using bath lubrication, lubricating oil is added at the upper edge 3mm higher than output bearing bottom roller.
In practical applications, a kind of greasing for retarder lubrication system that the utility model embodiment provides is as follows：
1) bearing of input shaft lubricates：The splashing oil that the rotation of retarder internal gear stirs, the oil that splashes get to reducer shell 1
On inner wall, by arranging that oil-collecting muscle goes out the first oil collecting zone 11 come enclosing on 1 first oil-feed tank of reducer shell, 14 periphery, into the
The lubricating oil of one oil collecting zone 11 can be flowed along the direction shown in Fig. 1 arrows, by the oil inlet notch of input shaft bearing lid 2
21, output bearing bottom rolling element is eventually arrived at along the muscle of 2 inside enclosing of input shaft bearing lid, realizes the mesh of lubrication input shaft bearing
, when lubricating oil has little time by rolling body space pass back into retarder, height can be assembled in lubricating oil and be higher than M lines
Afterwards retarder is passed back by the oil extraction notch 22 opened up on the first oil discharge outlet 13 on reducer shell 1 and input shaft bearing lid 2
It is interior.
2) intermediate bearing lubricates：The splashing oil that the rotation of retarder internal gear stirs, the oil that splashes get to the interior of reducer shell 1
On wall, by arranging that oil-collecting muscle goes out the second oil collecting zone 12 come enclosing on 1 second oil-feed tank of reducer shell, 15 periphery, into second
The lubricating oil of oil collecting zone 12 can carry out flowing along the direction shown in Fig. 1 arrows and reach intermediate bearing bottom rolling element, realize profit
The purpose of sliding intermediate bearing, when fluid has little time by rolling body space pass back into retarder, can gather in lubricating oil
Collection height by the second oil discharge outlet 16 opened up in intermediate bearing installation hole seat pass back into retarder higher than after N lines.
3) output bearing mounting hole seat is located at extreme lower position, when exporting bearing on output bearing mounting hole seat,
Output bearing is bath lubrication, and lubricating oil has highly flooded the roller upper edge at least 3mm of output bearing bottom.
The utility model provides a kind of retarder bearing lubrication structure, and the splashing oil that the rotation of retarder internal gear stirs flies
Spilled oil is got on the inner wall of reducer shell, by arranging that oil-collecting muscle goes out the come enclosing on the first oil-feed tank of reducer shell periphery
One oil collecting zone, lubricating oil enter the first oil collecting zone, and then lubricating oil can be flowed along the first oil-feed tank, reach input shaft bearing bottom
Rolling element realizes the lubrication to input shaft bearing and cooling, by arranging oil-collecting muscle on the second oil-feed tank of reducer shell periphery
Carry out enclosing and go out the second oil collecting zone, lubricating oil enters the second oil collecting zone, and then lubricating oil can be flowed along the second oil-feed tank, in arrival
Between bearing bottom rolling element realize lubrication and cooling to intermediate bearing, and economical simple, feasibility is strong.
Claims (10)
1. a kind of central reducer unit bearing lubrication structure, which is characterized in that including reducer shell (1) and input shaft bearing lid (2)；
Input shaft bearing installation hole seat is provided on the reducer shell (1), input shaft bearing lid (2) is mounted on reducer shell
(1) position of input shaft bearing mounting hole on；
The first oil-feed tank (14) radially, reducer shell (1) are provided on the first half of the input shaft bearing installation hole seat
The first oil collecting zone (11) is provided with above upper first oil-feed tank (14) oil inlet, the first oil collecting zone (11) pass through the first oil-feed tank
(14) it is connected with inside input shaft bearing installation hole seat.
A kind of 2. central reducer unit bearing lubrication structure as described in claim 1, which is characterized in that first oil collecting zone
(11) it is surrounded by oil-collecting gusset, oil-collecting gusset and reducer shell (1) connect and less than the inner end of input shaft bearing installation hole seat
Face.
A kind of 3. central reducer unit bearing lubrication structure as described in claim 1, which is characterized in that the inner face of oil-collecting gusset
Less than the inner face 10mm of input shaft bearing installation hole seat.
A kind of 4. central reducer unit bearing lubrication structure as described in claim 1, which is characterized in that the input shaft bearing installation
The first oil discharge outlet (13) radially is provided on the lower half of hole seat.
A kind of 5. central reducer unit bearing lubrication structure as claimed in claim 4, which is characterized in that the input shaft bearing lid
(2) on the and corresponding position of the first oil-feed tank (14) is provided with oil inlet notch (21), on input shaft bearing lid (2) and the first oil discharge outlet
(13) there is oil extraction notch (22) in corresponding position.
A kind of 6. central reducer unit bearing lubrication structure as described in claim 1, which is characterized in that the reducer shell
(1) be additionally provided on intermediate bearing installation hole seat, intermediate bearing installation hole seat the first half on be provided with radially second into
Oil groove (15) is provided with the second oil collecting zone (12), the second oil-collecting on reducer shell (1) above the second oil-feed tank (15) oil inlet
It is installed with intermediate bearing by the second oil-feed tank (15) and is connected inside hole seat in area (12).
A kind of 7. central reducer unit bearing lubrication structure as claimed in claim 6, which is characterized in that second oil collecting zone
(12) it is surrounded by oil-collecting gusset, oil-collecting gusset and reducer shell (1) connect and less than the inner end of intermediate bearing installation hole seat
Face.
8. a kind of central reducer unit bearing lubrication structure as claimed in claim 7, which is characterized in that oil-collecting gusset is less than centre
The inner face 10mm of bearing mounting hole seat.
A kind of 9. central reducer unit bearing lubrication structure as claimed in claim 6, which is characterized in that the intermediate bearing installation
The second oil discharge outlet (16) radially is provided on the lower half of hole seat.
A kind of 10. central reducer unit bearing lubrication structure as described in claim 1, which is characterized in that the reducer shell
(1) output bearing mounting hole seat is additionally provided on, in use, the lower end of output bearing mounting hole seat is immersed in lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721447209.8U CN207539321U (en) | 2017-11-02 | 2017-11-02 | A kind of central reducer unit bearing lubrication structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721447209.8U CN207539321U (en) | 2017-11-02 | 2017-11-02 | A kind of central reducer unit bearing lubrication structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207539321U true CN207539321U (en) | 2018-06-26 |
Family
ID=62611929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721447209.8U Active CN207539321U (en) | 2017-11-02 | 2017-11-02 | A kind of central reducer unit bearing lubrication structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207539321U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899491A (en) * | 2019-03-14 | 2019-06-18 | 湖南中成动力科技有限公司 | One kind two keeps off AMT gearbox lubrication structure |
| WO2020114506A1 (en) * | 2018-12-07 | 2020-06-11 | 南京高速齿轮制造有限公司 | Bearing lubricating apparatus |
-
2017
- 2017-11-02 CN CN201721447209.8U patent/CN207539321U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020114506A1 (en) * | 2018-12-07 | 2020-06-11 | 南京高速齿轮制造有限公司 | Bearing lubricating apparatus |
| CN109899491A (en) * | 2019-03-14 | 2019-06-18 | 湖南中成动力科技有限公司 | One kind two keeps off AMT gearbox lubrication structure |
| CN109899491B (en) * | 2019-03-14 | 2020-09-29 | 湖南中成动力科技有限公司 | Two keep off AMT gearbox lubricating structure |
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