CN107763192A - A kind of central reducer unit bearing lubrication structure - Google Patents
A kind of central reducer unit bearing lubrication structure Download PDFInfo
- Publication number
- CN107763192A CN107763192A CN201711064578.3A CN201711064578A CN107763192A CN 107763192 A CN107763192 A CN 107763192A CN 201711064578 A CN201711064578 A CN 201711064578A CN 107763192 A CN107763192 A CN 107763192A
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- CN
- China
- Prior art keywords
- oil
- input shaft
- hole seat
- shaft bearing
- reducer shell
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0423—Lubricant guiding means mounted or supported on the casing, e.g. shields or baffles for collecting lubricant, tubes or pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0457—Splash lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention provides a kind of central reducer unit bearing lubrication structure, is related to decelerator technical field, including reducer shell and input shaft bearing lid；Input shaft bearing installation hole seat is provided with the reducer shell, input shaft bearing lid is arranged on the position of input shaft bearing mounting hole on reducer shell；The first oil-feed tank radially is provided with 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 with input shaft bearing by the first oil-feed tank and connected inside hole seat.Decelerator internal gear rotates the splashing oil stirred, the oil that splashes is got on the inwall 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 decelerator bearing and cooling, and it is economical, simple, feasibility is strong.
Description
Technical field
The present invention relates to decelerator technical field, specially a kind of central reducer unit bearing lubrication structure.
Background technology
With expanding economy and the continuous improvement of living standards of the people, the recoverable amount of automobile is constantly increasing, due to vapour
Car increases, and tail gas pollution problem increasingly highlights, and is increasingly becoming one of important sources of atmosphere pollution, therefore needs the new energy of exploitation badly
Source automobile is polluted with reducing.
Electric automobile is as one of new-energy automobile, and Preliminary Applications are in actual production life, in pure electric road
In the exploitation of car central reducer unit, the lubrication of bearing is one of key issue in exploitation, particularly input shaft bearing, due to rotating speed
Height, 10000rpm is reached as high as, therefore need exploitation central reducer unit bearing lubrication structure badly.
The content of the invention
The present invention provides a kind of central reducer unit bearing lubrication structure, and economical simple, feasibility is strong, can solve the problem that this center
The lubrication and cooling problem of reducer bearing.
The present invention 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 with the reducer shell, input shaft bearing lid is arranged on defeated on reducer shell
Enter the position of bearing mounting hole；
The first oil-feed tank radially is provided with 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, inner face 10mm of the inner face of oil-collecting gusset less than input shaft bearing installation hole seat.
Optionally, the first oil discharge outlet radially is provided with the lower half of the input shaft bearing installation hole seat.
Optionally, the input shaft bearing cover with the first oil-feed tank corresponding to position be provided with oil-feed breach, input shaft bearing
Cover with the first oil discharge outlet corresponding to position have oil extraction breach.
Optionally, intermediate bearing installation hole seat is additionally provided with the reducer shell, intermediate bearing installs the upper of hole seat
The second oil-feed tank radially is provided with 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 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, inner face 10mm of the oil-collecting gusset less than intermediate bearing installation hole seat.
Optionally, the second oil discharge outlet radially is provided with the lower half of the intermediate bearing installation hole seat.
Optionally, output bearing mounting hole seat is additionally provided with the reducer shell, in use, output bearing mounting hole
The lower end of seat is immersed in lubricating oil.
Compared with prior art, the present invention has technique effect beneficial below：
The present invention provides a kind of decelerator bearing lubrication structure, is installed by being provided with input shaft bearing on reducer shell
Hole seat, input shaft bearing lid is arranged on to the position of input shaft bearing mounting hole on reducer shell, in input shaft bearing installation hole seat
The first oil-feed tank radially is provided with the first half, first is provided with above the first oil-feed tank oil inlet on reducer shell
Oil collecting zone, the first oil collecting zone are installed with input shaft bearing by the first oil-feed tank and connected inside hole seat, and decelerator internal gear is rotated and stirred
The splashing oil risen, the oil that splashes is got on the inwall of reducer shell, and into the first oil collecting zone, then lubricating oil can enter along first
Oil groove flows, and reaches input shaft bearing bottom rolling element, realizes the lubrication to input shaft bearing and cooling, and economical simple, can
Row is strong.
Further, the splashing stirred oil is rotated by decelerator internal gear, the oil that splashes gets to the inwall of reducer shell
On, into the second oil collecting zone, then lubricating oil can flow along the second oil-feed tank, reach intermediate bearing bottom rolling element, realize
Lubrication and cooling to intermediate bearing.
Further, input shaft bearing is discharged by the first oil discharge outlet and lubricating oil unnecessary in hole seat is installed, pass through second row
Unnecessary lubricating oil, both ensure that the lubrication of bearing, and had had the work for not influenceing decelerator in hydraulic fluid port discharge intermediate bearing installation hole seat
Make.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of decelerator lubrication system provided by the invention；
Fig. 2 is a kind of schematic diagram of reducer shell 1 provided by the invention；
Fig. 3 is a kind of schematic diagram of input shaft bearing lid 2 provided by the invention.
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-feed breach, 22. oil extraction breach.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, and described is explanation of the invention rather than limit
It is fixed.
Fig. 1 is a kind of central reducer unit bearing lubrication structure provided in an embodiment of the present invention, as shown in figure 1, including slowing down
Device housing 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 with reducer shell 1
Seat, input shaft bearing lid 2 are arranged on the position of input shaft bearing mounting hole on reducer shell 1；
The first oil-feed tank 14 radially is provided with 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 the oil inlet of one oil-feed tank 14, the first oil collecting zone 11 passes through the first oil-feed tank 14 and input shaft bearing
Install and 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, such as, the inner face of oil-collecting gusset can be less than the inner of input shaft bearing installation hole seat
Face 10mm.The first oil discharge outlet 13 radially is provided with the lower half of input shaft bearing installation hole seat.
Wherein, because oil-collecting gusset and reducer shell 1 are connected and the inner face of hole seat is installed less than input shaft bearing, because
This lubricating oil to be splashed 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 reinforcement 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 decelerator highest
Position, the top of reducer shell 1 is in actual use, and 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.
Example, 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 inside decelerator from the first oil discharge outlet 13.
Accordingly, as shown in Fig. 2 on input shaft bearing lid 2 and position corresponding to the first oil-feed tank 14 is provided with oil-feed breach
21, there is oil extraction breach 22 on input shaft bearing lid 2 and position corresponding to the first oil discharge outlet 13.
The second oil-feed tank 15 radially is provided with the first half of intermediate bearing installation hole seat, the on reducer shell 1
The second oil collecting zone 12 is provided with above the oil inlet of two oil-feed tank 15, the second oil collecting zone 12 passes through the second oil-feed tank 15 and intermediate bearing
Install and 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, such as, 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, because oil-collecting gusset and reducer shell 1 are connected and the inner face of hole seat is installed less than intermediate bearing, because
This lubricating oil to be splashed 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 reinforcement 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.
Example, 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 inside decelerator from the first oil discharge outlet 13.
Output bearing mounting hole seat is located at extreme lower position, defeated when exporting bearing on output bearing mounting hole seat
Go out bearing and use bath lubrication, lubricating oil add to higher than on the roller of output bearing bottom along at 3mm.
In actual applications, a kind of greasing of decelerator lubrication system provided in an embodiment of the present invention is as follows：
1) bearing of input shaft lubricates：Decelerator internal gear rotates the splashing oil stirred, and the oil that splashes gets to reducer shell 1
On inwall, by arranging that oil-collecting muscle goes out the first oil collecting zone 11 come enclosing on the periphery of 1 first oil-feed tank of reducer shell 14, 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-feed breach of input shaft bearing lid 2
21, output bearing bottom rolling element is eventually arrived at along the muscle of the inside enclosing of input shaft bearing lid 2, realizes the mesh of lubrication input shaft bearing
, when lubricating oil has little time by rolling body space pass back into decelerator, height can be assembled in lubricating oil and be higher than M lines
Afterwards decelerator is passed back into by the oil extraction breach 22 opened up on the first oil discharge outlet 13 and input shaft bearing lid 2 on reducer shell 1
It is interior.
2) intermediate bearing lubricates：Decelerator internal gear rotates the splashing oil stirred, and the oil that splashes gets 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 the periphery of 1 second oil-feed tank of reducer shell 15, into second
The lubricating oil of oil collecting zone 12 can be flow to along the direction shown in Fig. 1 arrows up to 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 decelerator, 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 decelerator after being higher than 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 been flooded on the roller of output bearing bottom along at least 3mm.
The present invention provides a kind of decelerator bearing lubrication structure, and decelerator internal gear rotates the splashing oil stirred, and splash oil
Get on the inwall of reducer shell, by arranging that oil-collecting muscle goes out the first collection come enclosing on the first oil-feed tank of reducer shell periphery
Oily area, lubricating oil enter the first oil collecting zone, and then lubricating oil can flow along the first oil-feed tank, reach input shaft bearing bottom and roll
Body, the lubrication to input shaft bearing and cooling are realized, by arranging oil-collecting muscle on the second oil-feed tank of reducer shell periphery to enclose
The second oil collecting zone is kept off, lubricating oil enters the second oil collecting zone, and then lubricating oil can flow along the second oil-feed tank, reaches jackshaft
Holding bottom rolling element realizes lubrication and cooling to intermediate bearing, and economical simple, and feasibility is strong.
Claims (10)
1. a kind of central reducer unit bearing lubrication structure, it is characterised in that including reducer shell (1) and input shaft bearing lid (2)；
Input shaft bearing installation hole seat is provided with the reducer shell (1), input shaft bearing lid (2) is arranged on reducer shell
(1) position of input shaft bearing mounting hole on；
The first oil-feed tank (14) radially, reducer shell (1) are provided with 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) connected with inside input shaft bearing installation hole seat.
A kind of 2. central reducer unit bearing lubrication structure as claimed in claim 1, it is characterised in that first oil collecting zone
(11) surrounded by oil-collecting gusset, oil-collecting gusset and reducer shell (1) connect and less than the inner of input shaft bearing installation hole seat
Face.
A kind of 3. central reducer unit bearing lubrication structure as claimed in claim 1, it is characterised 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 claimed in claim 1, it is characterised in that the input shaft bearing installation
The first oil discharge outlet (13) radially is provided with the lower half of hole seat.
A kind of 5. central reducer unit bearing lubrication structure as claimed in claim 4, it is characterised in that the input shaft bearing lid
(2) on and position corresponding to the first oil-feed tank (14) is provided with oil-feed breach (21), on input shaft bearing lid (2) and the first oil discharge outlet
(13) there is oil extraction breach (22) position corresponding to.
A kind of 6. central reducer unit bearing lubrication structure as claimed in claim 1, it is characterised in that the reducer shell
(1) intermediate bearing installation hole seat is additionally provided with, second entering radially is provided with the first half of intermediate bearing installation hole seat
Oil groove (15), the second oil collecting zone (12), the second oil-collecting are provided with above the second oil-feed tank (15) oil inlet on reducer shell (1)
Installed with intermediate bearing by the second oil-feed tank (15) and connected inside hole seat in area (12).
A kind of 7. central reducer unit bearing lubrication structure as claimed in claim 6, it is characterised in that second oil collecting zone
(12) surrounded by oil-collecting gusset, oil-collecting gusset and reducer shell (1) connect and less than the inner of intermediate bearing installation hole seat
Face.
8. a kind of central reducer unit bearing lubrication structure as claimed in claim 7, it is characterised 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, it is characterised in that the intermediate bearing installation
The second oil discharge outlet (16) radially is provided with the lower half of hole seat.
A kind of 10. central reducer unit bearing lubrication structure as claimed in claim 1, it is characterised in that the reducer shell
(1) output bearing mounting hole seat is additionally provided with, 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 |
|---|---|---|---|
| CN201711064578.3A CN107763192A (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 |
|---|---|---|---|
| CN201711064578.3A CN107763192A (en) | 2017-11-02 | 2017-11-02 | A kind of central reducer unit bearing lubrication structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107763192A true CN107763192A (en) | 2018-03-06 |
Family
ID=61272515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711064578.3A Withdrawn CN107763192A (en) | 2017-11-02 | 2017-11-02 | A kind of central reducer unit bearing lubrication structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107763192A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538743A (en) * | 2018-12-18 | 2019-03-29 | 精进电动科技股份有限公司 | A kind of water-cooled machine fore bearing oil lubrication mechanism and motor driven assembly |
| CN111288152A (en) * | 2018-12-07 | 2020-06-16 | 南京高速齿轮制造有限公司 | Bearing lubricating device |
| CN114370494A (en) * | 2022-01-17 | 2022-04-19 | 上海电气集团股份有限公司 | Automobile reduction gearbox and automobile |
-
2017
- 2017-11-02 CN CN201711064578.3A patent/CN107763192A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288152A (en) * | 2018-12-07 | 2020-06-16 | 南京高速齿轮制造有限公司 | Bearing lubricating device |
| CN109538743A (en) * | 2018-12-18 | 2019-03-29 | 精进电动科技股份有限公司 | A kind of water-cooled machine fore bearing oil lubrication mechanism and motor driven assembly |
| CN109538743B (en) * | 2018-12-18 | 2024-03-26 | 精进电动科技股份有限公司 | Front bearing oil lubrication mechanism of water-cooled motor and motor driving assembly |
| CN114370494A (en) * | 2022-01-17 | 2022-04-19 | 上海电气集团股份有限公司 | Automobile reduction gearbox and automobile |
| CN114370494B (en) * | 2022-01-17 | 2024-05-31 | 上海电气集团股份有限公司 | Automobile reduction gearbox and automobile |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180306 |