CN219975308U - Lubricating structure of main speed reducer of electric drive axle - Google Patents
Lubricating structure of main speed reducer of electric drive axle Download PDFInfo
- Publication number
- CN219975308U CN219975308U CN202320804516.6U CN202320804516U CN219975308U CN 219975308 U CN219975308 U CN 219975308U CN 202320804516 U CN202320804516 U CN 202320804516U CN 219975308 U CN219975308 U CN 219975308U
- Authority
- CN
- China
- Prior art keywords
- oil
- bearing seat
- lubricating
- upper bearing
- gear
- 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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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 13
- 230000001050 lubricating effect Effects 0.000 title abstract description 12
- 238000005461 lubrication Methods 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 9
- 239000003921 oil Substances 0.000 abstract description 53
- 239000010687 lubricating oil Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model relates to a lubricating structure of a main speed reducer of an electric drive axle, which comprises an oil baffle plate, an oil receiving plate, an oil inlet duct and a communication oil duct; the oil baffle plate and the oil receiving plate collect splash lubricating oil generated by rotation of the gears, and the lubricating oil is used for lubricating an upper bearing and a lower bearing arranged in the upper bearing seat and the lower bearing seat through the oil inlet channel and the communication oil channel, so that the problems of complex structure and high production cost of a conventional active lubricating mechanism are effectively solved; the utility model has the advantages of simple structure and good lubrication effect, and can fully lubricate the upper and lower bearings no matter the gear rotates positively or reversely, thereby effectively improving the reliability of the product.
Description
Technical Field
The utility model relates to the technical field of electric drive axles, in particular to a lubricating structure of a main speed reducer of an electric drive axle.
Background
The lubrication effect of the axle speed reducer is closely related to the running reliability of the axle, so that the good lubrication structure design can effectively improve the reliability and the running efficiency of the axle to a certain extent; in the design process of the axle speed reducer, in order to further reduce the oil stirring loss of the gear and improve the transmission efficiency of the axle, the gear shaft is generally arranged at a higher position when the gear is immersed in lubricating oil, and the bearing arrangement form can lead to the problems that the relative bearing is far away from the lubricating liquid level, poor lubrication of the bearing is extremely easy to occur and the service life is greatly reduced. The means adopted for solving the problem is to add an active lubrication mechanism, but the structure of the active lubrication mechanism is relatively complex, which is not beneficial to the integral arrangement of the main speed reducer of the axle, and meanwhile, the production cost is high, and the wide popularization and application are difficult.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, thereby providing a lubrication structure of a main speed reducer of an electric drive axle, and solving the problems of complex structure and high production cost of the conventional active lubrication mechanism.
The utility model is realized by adopting the following technical scheme:
a lubrication structure of an electric drive axle main speed reducer comprises a shell, an upper bearing seat, a lower bearing seat, a gear seat and a gear seat, wherein the upper bearing seat is used for installing an upper bearing, the lower bearing seat is used for installing a lower bearing, the gear seat is used for installing a gear, and the upper bearing seat is arranged on the shell
The oil baffle plate is arranged on the shell and is opposite to the gear;
the oil receiving plate is arranged on the upper bearing seat and is opposite to the oil baffle plate;
the oil inlet channel is communicated with the oil baffle plate and the upper bearing seat;
and the communication oil duct is communicated with the upper bearing seat and the lower bearing seat.
Preferably, the oil baffle is opposite to the center of the oil receiving plate, and the gap between the oil baffle and the gear is-mm.
Preferably, the oil receiving plate is of a U-shaped structure.
Preferably, the oil inlet passage between the oil baffle plate and the oil receiving plate is provided in an open structure.
Compared with the prior art, the utility model has the following beneficial technical effects:
according to the utility model, the oil baffle plate, the oil receiving plate, the oil inlet channel and the communication oil channel are arranged on the shell; the oil baffle plate and the oil receiving plate collect splash lubricating oil generated by rotation of the gears, and the lubricating oil is used for lubricating an upper bearing and a lower bearing arranged in the upper bearing seat and the lower bearing seat through the oil inlet channel and the communication oil channel, so that the problems of complex structure and high production cost of a conventional active lubricating mechanism are effectively solved; the utility model has the advantages of simple structure and good lubrication effect, and can fully lubricate the upper and lower bearings no matter the gear rotates positively or reversely, thereby effectively improving the reliability of the product.
Drawings
The utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of a housing structure of the present utility model;
fig. 2 is a schematic diagram of the overall structure of the present utility model.
Reference numerals illustrate:
1. a housing; 2. an upper bearing; 3. a gear; 4. a lower bearing;
11. a lower bearing seat; 12. a communication oil duct; 13. an upper bearing seat; 14 oil inlet duct; 15. an oil baffle plate; 16. and an oil receiving plate.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-2: a lubrication structure of an electric drive axle main speed reducer comprises a shell 1, an upper bearing seat 13 for installing an upper bearing 2, a lower bearing seat 11 for installing a lower bearing 4 and a gear seat for installing a gear 3 are respectively arranged on the shell 1, and
the oil baffle 15 is arranged on the shell 1 and is opposite to the gear 3;
the oil receiving plate 16 is arranged on the upper bearing seat 13 and is opposite to the oil baffle 15;
an oil inlet channel 14 communicated with the oil baffle 15 and the upper bearing seat 13;
the communication oil passage 12 communicates with the upper bearing housing 13 and the lower bearing housing 11.
In the embodiment, the oil baffle 15 is located at the highest position of the main speed reducer, the oil baffle 15 is opposite to the center of the oil receiving plate 16, and the gap between the oil baffle 15 and the gear 3 is 1-3 mm.
In this embodiment, the oil receiving plate 16 has a U-shaped structure;
in the present embodiment, the oil inlet passage 14 between the oil baffle 15 and the oil receiving plate 16 is provided in an open structure, and can collect splash lubrication oil generated by rotation of the gear 3;
the utility model can obtain one or more of the following technical effects:
according to the lubricating structure of the main speed reducer of the electric drive axle, splash lubricating oil generated by rotation of the gear 3 is collected by utilizing the oil baffle 15 and the oil receiving plate 16, and the lubricating oil is used for lubricating the upper bearing 2 and the lower bearing 4 arranged in the upper bearing seat 13 and the lower bearing seat 11 through the oil inlet passage 14 and the communicating oil passage 12, so that the problems of complex structure and high production cost of a conventional active lubricating mechanism are effectively solved; the structure has the advantages of simple structure and good lubrication effect, and meanwhile, the gear can fully lubricate the upper bearing and the lower bearing no matter positively rotate or reversely rotate, so that the reliability of the product is effectively improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (4)
1. The lubrication structure of the main speed reducer of the electric drive axle is characterized by comprising a shell (1), an upper bearing seat (13) for installing an upper bearing (2), a lower bearing seat (11) for installing a lower bearing (4) and a gear seat for installing a gear (3) are respectively arranged on the shell (1), and
the oil baffle plate (15) is arranged on the shell (1) and is opposite to the gear (3);
the oil receiving plate (16) is arranged on the upper bearing seat (13) and is opposite to the oil baffle plate (15);
the oil inlet channel (14) is communicated with the oil baffle (15) and the upper bearing seat (13);
and the communication oil duct (12) is communicated with the upper bearing seat (13) and the lower bearing seat (11).
2. The lubrication structure of the final drive of the electrically driven vehicle axle according to claim 1, wherein the oil baffle (15) is abutting against the center position of the oil baffle (16) and has a clearance of 1-3 mm with the gear (3).
3. The lubrication structure of an electrically driven axle final drive as set forth in claim 2, wherein said oil receiving plate (16) is of a U-shaped configuration.
4. A lubrication structure of an electrically driven axle final drive as claimed in claim 3, characterized in that the oil inlet channel (14) between the oil baffle (15) and the oil receiving plate (16) is arranged in an open structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320804516.6U CN219975308U (en) | 2023-04-12 | 2023-04-12 | Lubricating structure of main speed reducer of electric drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320804516.6U CN219975308U (en) | 2023-04-12 | 2023-04-12 | Lubricating structure of main speed reducer of electric drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219975308U true CN219975308U (en) | 2023-11-07 |
Family
ID=88581821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320804516.6U Active CN219975308U (en) | 2023-04-12 | 2023-04-12 | Lubricating structure of main speed reducer of electric drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219975308U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102023211052A1 (en) | 2023-11-08 | 2024-07-11 | Zf Friedrichshafen Ag | Housing cover for a vehicle gearbox |
-
2023
- 2023-04-12 CN CN202320804516.6U patent/CN219975308U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102023211052A1 (en) | 2023-11-08 | 2024-07-11 | Zf Friedrichshafen Ag | Housing cover for a vehicle gearbox |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |