CN113932003A - Oil duct structure of electric automobile speed reducer - Google Patents
Oil duct structure of electric automobile speed reducer Download PDFInfo
- Publication number
- CN113932003A CN113932003A CN202111206180.5A CN202111206180A CN113932003A CN 113932003 A CN113932003 A CN 113932003A CN 202111206180 A CN202111206180 A CN 202111206180A CN 113932003 A CN113932003 A CN 113932003A
- Authority
- CN
- China
- Prior art keywords
- oil
- speed reducer
- bearing
- lubricating oil
- side plate
- 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.)
- Pending
Links
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 60
- 239000003921 oil Substances 0.000 claims abstract description 112
- 239000010687 lubricating oil Substances 0.000 claims abstract description 52
- 238000005452 bending Methods 0.000 claims description 6
- 239000000314 lubricant Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005461 lubrication Methods 0.000 description 10
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- F16H57/04—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
- F16H57/0424—Lubricant guiding means in the wall of or integrated with the casing, e.g. grooves, channels, holes
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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
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
- F16H57/0452—Oil pans
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0469—Bearings or seals
- F16H57/0471—Bearing
Abstract
The invention relates to an oil duct structure of a speed reducer of an electric automobile, which comprises a left shell of the speed reducer, a right shell of the speed reducer and an oil duct shunting device, wherein the left shell of the speed reducer is provided with a first oil duct; a first bearing oil duct and a first middle bearing oil duct are arranged on the right shell of the speed reducer, and a second bearing oil duct and a second middle bearing oil duct are arranged on the left shell of the speed reducer; the oil duct shunting device is arranged on the right shell of the speed reducer and comprises a lubricating oil inlet, a first lubricating oil outlet and a second lubricating oil outlet; the lubricating oil inlet is communicated with the lubricating oil input oil path, the first lubricating oil outlet is respectively communicated with the first bearing oil path and the first intermediate bearing oil path, and the second lubricating oil outlet is respectively communicated with the second bearing oil path and the second intermediate bearing oil path. This technical scheme is through setting up oil duct diverging device in the reduction gear, can effectively distribute lubricating oil to each part through oil duct diverging device with lubricating oil, effectively improves lubricated effect.
Description
Technical Field
The invention belongs to the technical field of automobile reducers, and particularly relates to an oil duct structure of an electric automobile reducer.
Background
The existing lubricating system of the electric automobile speed reducer mainly has splashing lubrication or oil pump and oil conveying pipe combined active lubrication which can ensure the sufficient lubrication of the gear shaft part by adding more oil, the gear shaft part is ensured to be sufficiently lubricated by adding more oil, oil stirring loss is generated in the lubricating process, the transmission efficiency of the speed reducer is greatly reduced, and meanwhile, when the speed reducer is climbing, descending and inclining left and right, the service life of the gear shaft part of the speed reducer is seriously damaged due to poor lubrication.
The oil pump and the oil conveying pipe are combined to form an active lubrication mode, the cost is high, the oil pump and the cooling device are additionally arranged, and the structure is complex.
Disclosure of Invention
The invention aims to provide an oil duct structure of a speed reducer of an electric automobile, which aims to solve the problems that oil stirring loss is generated in the existing lubricating process, the transmission efficiency of the speed reducer is greatly reduced, and the service life of a gear shaft part of the speed reducer is seriously damaged due to poor lubrication when the speed reducer climbs a slope, goes down a slope and inclines left and right.
In order to achieve the purpose, the method is realized by the following technical scheme:
an oil duct structure of a speed reducer of an electric automobile comprises a left shell of the speed reducer and a right shell of the speed reducer;
a first bearing oil duct and a first middle bearing oil duct are arranged on the right shell of the speed reducer, and a second bearing oil duct and a second middle bearing oil duct are arranged on the left shell of the speed reducer;
the oil way shunting device is arranged on the right shell of the speed reducer and comprises a lubricating oil inlet, a first lubricating oil outlet and a second lubricating oil outlet; the lubricating oil inlet is communicated with the lubricating oil input oil path, the first lubricating oil outlet is respectively communicated with the first bearing oil path and the first intermediate bearing oil path, and the second lubricating oil outlet is respectively communicated with the second bearing oil path and the second intermediate bearing oil path.
Further, the oil duct flow dividing device comprises a bottom plate, an inner side plate, an outer side plate and a front side plate, wherein the inner side plate, the bottom plate and the front side plate form a lubricating oil inlet; the inner side plate is bent outwards to form a first bent part, and the outer side plate is bent outwards to form a second bent part;
the first bending part, the bottom plate and the front side plate form a first lubricating oil outlet; the second bending part, the bottom plate and the front side plate form a second lubricating oil outlet.
Furthermore, a first mounting portion is arranged on the outer side of the front side plate, a first mounting hole is formed in the first mounting portion, a second mounting hole is formed in the inner side plate, and the oil duct shunting device is mounted on the right shell of the speed reducer through a bolt.
Further, the area of the second lubricant outlet is larger than the area of the first lubricant outlet.
The oil pan is characterized by further comprising a speed reducer main reducing gear and an oil pan, wherein the speed reducer main reducing gear throws stirred lubricating oil in the oil pan to a lubricating oil input oil path.
Furthermore, the first bearing oil duct is matched with an input bearing on the right shell of the speed reducer, and the second bearing oil duct is matched with an input bearing on the left shell of the speed reducer.
Further, the first intermediate bearing oil passage and the second intermediate bearing oil passage are matched with an intermediate bearing of the speed reducer.
The invention has the beneficial effects that:
this technical scheme is through setting up oil duct diverging device in the reduction gear, can effectively distribute lubricating oil to each part through oil duct diverging device with lubricating oil, effectively improves lubricated effect.
Drawings
Fig. 1 is a schematic structural view of a speed reducer oil passage flow dividing device of the present invention.
FIG. 2 is a schematic diagram of the right housing of the speed reducer of the present invention.
FIG. 3 is a schematic view of the left housing of the speed reducer of the present invention.
Description of the reference numerals
1. The bolt, 2, the bolt, 3, reduction gear right casing, 4, oil duct diverging device, 5, reduction gear left casing, 6, first bearing oil duct, 7, first middle bearing oil duct, 8, second bearing oil duct, 9, second middle bearing oil duct, 10, reduction gear main reducing gear, 11, the oil pan, 12, first lubricating oil outlet, 13, second lubricating oil outlet, 14, lubricating oil input oil path.
Detailed Description
The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and explaining the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.
As shown in fig. 1 to 3, the present application provides an oil passage structure of a speed reducer of an electric vehicle, which includes a left shell 5 of the speed reducer and a right shell 3 of the speed reducer.
A first bearing oil duct 6 and a first middle bearing oil duct 7 are arranged on the right shell 3 of the speed reducer, and a second bearing oil duct 8 and a second middle bearing oil duct 9 are arranged on the left shell 5 of the speed reducer; the first bearing oil duct is matched with an input bearing on the right shell of the speed reducer, and the second bearing oil duct is matched with an input bearing on the left shell of the speed reducer. The first intermediate bearing oil passage and the second intermediate bearing oil passage are matched with an intermediate bearing of the speed reducer.
The oil duct shunting device 4 is arranged on the right shell 3 of the speed reducer, and the oil duct shunting device 4 comprises a lubricating oil inlet, a first lubricating oil outlet 12 and a second lubricating oil outlet 13; the lubricating oil inlet is communicated with the lubricating oil input oil path 14, the first lubricating oil outlet is respectively communicated with the first bearing oil path and the first intermediate bearing oil path, and the second lubricating oil outlet is respectively communicated with the second bearing oil path and the second intermediate bearing oil path.
The main reduction gear 10 of the speed reducer and the oil pan 11 throw stirred lubricating oil in the oil pan to a lubricating oil input oil way, and the lubricating oil enters the oil channel shunting device through the lubricating oil input oil way.
The oil duct flow dividing device comprises a bottom plate, an inner side plate, an outer side plate and a front side plate, wherein the inner side plate, the bottom plate and the front side plate form a lubricating oil inlet; the inner side plate is bent outwards to form a first bent part, and the outer side plate is bent outwards to form a second bent part.
The first bending part, the bottom plate and the front side plate form a first lubricating oil outlet; the second bending part, the bottom plate and the front side plate form a second lubricating oil outlet.
The oil duct shunting device is characterized in that a first mounting part is arranged on the outer side of the front side plate, a first mounting hole is formed in the first mounting part, a second mounting hole is formed in the inner side plate, and the oil duct shunting device is mounted on the right shell of the speed reducer through a bolt 1 and a bolt 2.
The area of the first lubrication oil outlet is different from the area of the second lubrication oil outlet, and the area of the second lubrication oil outlet is larger than the area of the first lubrication oil outlet.
Although embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An oil duct structure of a speed reducer of an electric automobile comprises a left shell of the speed reducer and a right shell of the speed reducer;
a first bearing oil duct and a first middle bearing oil duct are arranged on the right shell of the speed reducer, and a second bearing oil duct and a second middle bearing oil duct are arranged on the left shell of the speed reducer; it is characterized in that the preparation method is characterized in that,
the oil way shunting device is arranged on the right shell of the speed reducer and comprises a lubricating oil inlet, a first lubricating oil outlet and a second lubricating oil outlet; the lubricating oil inlet is communicated with the lubricating oil input oil path, the first lubricating oil outlet is respectively communicated with the first bearing oil path and the first intermediate bearing oil path, and the second lubricating oil outlet is respectively communicated with the second bearing oil path and the second intermediate bearing oil path.
2. The oil passage structure of the electric automobile speed reducer according to claim 1, wherein the oil passage branching device comprises a bottom plate, an inner side plate, an outer side plate and a front side plate, and the inner side plate, the bottom plate and the front side plate form a lubricating oil inlet; the inner side plate is bent outwards to form a first bent part, and the outer side plate is bent outwards to form a second bent part;
the first bending part, the bottom plate and the front side plate form a first lubricating oil outlet; the second bending part, the bottom plate and the front side plate form a second lubricating oil outlet.
3. The oil passage structure of the electric automobile speed reducer according to claim 2, wherein a first mounting portion is provided on an outer side of the front side plate, a first mounting hole is provided on the first mounting portion, a second mounting hole is provided on the inner side plate, and the oil passage branching device is mounted on the right speed reducer casing by a bolt.
4. The electric vehicle speed reducer oil passage structure according to claim 1, wherein the area of the second lubricant outlet is larger than the area of the first lubricant outlet.
5. The electric automobile speed reducer oil passage structure according to claim 1, characterized by comprising a speed reducer main reduction gear and an oil pan, wherein the speed reducer main reduction gear throws stirred lubricating oil in the oil pan to the lubricating oil input oil passage.
6. The electric vehicle decelerator oil passage structure of claim 1, wherein the first bearing oil passage is engaged with an input bearing on a right decelerator housing and the second bearing oil passage is engaged with an input bearing on a left decelerator housing.
7. The electric vehicle speed reducer oil passage structure according to claim 6, wherein the first intermediate bearing oil passage and the second intermediate bearing oil passage each engage with an intermediate bearing of the speed reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111206180.5A CN113932003A (en) | 2021-10-16 | 2021-10-16 | Oil duct structure of electric automobile speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111206180.5A CN113932003A (en) | 2021-10-16 | 2021-10-16 | Oil duct structure of electric automobile speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113932003A true CN113932003A (en) | 2022-01-14 |
Family
ID=79279739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111206180.5A Pending CN113932003A (en) | 2021-10-16 | 2021-10-16 | Oil duct structure of electric automobile speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113932003A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013060976A (en) * | 2011-09-12 | 2013-04-04 | Showa Corp | Lubrication structure of final reduction gear |
| CN207906422U (en) * | 2018-03-07 | 2018-09-25 | 海马汽车有限公司 | Oil Guide lubricating arrangement and speed changer |
| CN210715877U (en) * | 2019-09-26 | 2020-06-09 | 随州市盛星机械有限公司 | Lubricating oil way system of speed reducer |
| CN111609119A (en) * | 2020-06-29 | 2020-09-01 | 株洲齿轮有限责任公司 | Method for carrying out splash lubrication on transmission bearing and oil duct structure |
| CN213512006U (en) * | 2020-09-04 | 2021-06-22 | 上海汽车变速器有限公司 | Guiding type oil delivery mechanism of automobile transmission |
-
2021
- 2021-10-16 CN CN202111206180.5A patent/CN113932003A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013060976A (en) * | 2011-09-12 | 2013-04-04 | Showa Corp | Lubrication structure of final reduction gear |
| CN207906422U (en) * | 2018-03-07 | 2018-09-25 | 海马汽车有限公司 | Oil Guide lubricating arrangement and speed changer |
| CN210715877U (en) * | 2019-09-26 | 2020-06-09 | 随州市盛星机械有限公司 | Lubricating oil way system of speed reducer |
| CN111609119A (en) * | 2020-06-29 | 2020-09-01 | 株洲齿轮有限责任公司 | Method for carrying out splash lubrication on transmission bearing and oil duct structure |
| CN213512006U (en) * | 2020-09-04 | 2021-06-22 | 上海汽车变速器有限公司 | Guiding type oil delivery mechanism of automobile transmission |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220114 |
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| RJ01 | Rejection of invention patent application after publication |