CN218863237U - Lubricating structure of planetary gear and planetary shaft - Google Patents
Lubricating structure of planetary gear and planetary shaft Download PDFInfo
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- CN218863237U CN218863237U CN202223098352.4U CN202223098352U CN218863237U CN 218863237 U CN218863237 U CN 218863237U CN 202223098352 U CN202223098352 U CN 202223098352U CN 218863237 U CN218863237 U CN 218863237U
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- planetary gear
- groove
- half groove
- storage tank
- oil storage
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model belongs to the technical field of the automobile gear, concretely relates to lubricating structure of planetary gear and planet axle, including seting up at the annular oil storage tank of planetary gear's inner wall and leading the oil groove, lead the inner wall that oil groove from the top down runs through planetary gear, the annular oil storage tank with lead the oil groove and communicate each other. The purpose is as follows: the problem of current reduction gear's planetary gear and planet axle contact surface be difficult to obtain abundant lubrication, the part often produces ablation and then inefficacy because of lubricated not enough is solved.
Description
Technical Field
The utility model belongs to the technical field of the automobile gear, concretely relates to lubricating structure of planetary gear and planet axle.
Background
The planetary gear and the planetary shaft of the speed reducer are positioned in the differential mechanism and limited by the special structural style of the differential mechanism, the contact surface of the planetary gear and the planetary shaft is not easy to be fully lubricated, and parts are often ablated and further fail due to insufficient lubrication.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the lubricating structure is used for solving the problems that the contact surface of the planetary gear and the planetary shaft of the existing speed reducer is not easy to be fully lubricated, and parts are often ablated and then failed due to insufficient lubrication.
In order to realize the technical purpose, the utility model discloses a technical scheme as follows:
the utility model provides a lubricating structure of planetary gear and planet axle, is including seting up at the annular oil storage tank of planetary gear's inner wall and leading the oil groove, lead the inner wall that the oil groove from the top down runs through planetary gear, the annular oil storage tank communicates each other with leading the oil groove.
Further, the oil guide groove is inclined from top to bottom along the rotation direction of the planetary gear. Such structural design sets up through the slope of leading the oil groove for fluid gets into/leaves annular oil storage tank more easily and leads the oil groove, and is lubricated more abundant, and the practicality is stronger.
Further limited, the included angle between the vertical plane of the axis of the oil guide groove and the horizontal line is 45-75 degrees.
Further, the vertical plane of the axis of the oil guide groove forms an included angle of 60 degrees with the horizontal line.
Further, the oil guide grooves are distributed on the inner wall of the planetary gear in the circumferential direction. Such structural design leads the oil groove through many, leads the annular oil storage tank to fluid simultaneously to guide fluid to flow out from the annular oil storage tank, it is lubricated more abundant, the practicality is stronger.
Further inject, lead the oil groove and include first half groove and second half groove, first half groove is located annular oil storage tank top, second half groove is located annular oil storage tank below, first half groove all communicates with annular oil storage tank with second half groove, first half groove's axis and second half groove's axis coincide each other on vertical plane. By the structural design, the axis of the upper half groove and the axis of the lower half groove are overlapped on the vertical plane, the upper half groove and the lower half groove can be regarded as the same groove, and the processing is more convenient.
Further inject, lead the oil groove and include first half groove and second half groove, first half groove is located annular oil storage tank top, second half groove is located annular oil storage tank below, first half groove all communicates with annular oil storage tank with second half groove, first half groove's axis and second half groove's axis are parallel to each other on vertical plane, and do not coincide. Such structural design, through the axis of first half groove and the axis of second half groove on vertical plane parallel to each other, and the setting that does not coincide for fluid can not directly leave through second half groove after the contact surface of entering planetary gear and planetary gear axle in first half groove, but gets into annular oil storage tank, improves the utilization efficiency of fluid, and the practicality is stronger.
Adopt above-mentioned technical scheme's utility model, have following advantage:
1. the inner wall of the planet gear is provided with the annular oil storage groove and the oil guide groove which penetrates through the inner wall of the planet gear from top to bottom, so that lubricating oil can be guided into a contact surface between the planet gear and the planet gear shaft, an oil storage space is formed on the contact surface, and the problem of lubrication of the contact surface between the planet gear and the planet gear shaft is effectively solved;
2. through the inclined arrangement of the oil guide groove, oil can easily enter/leave the annular oil storage groove and the oil guide groove, so that the lubrication is more sufficient, and the practicability is stronger;
3. the axis through first half groove and the axis of second half groove are parallel to each other on vertical plane, and the setting that does not coincide for fluid can not directly leave through second half groove after the contact surface of entering planetary gear and planetary gear axle in first half groove, but gets into annular oil storage tank, improves the utilization efficiency of fluid, and the practicality is stronger.
Drawings
The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;
fig. 1 is a schematic structural view of an embodiment of a lubrication structure of a planetary gear and a planetary shaft according to the present invention;
fig. 2 is a schematic structural view of a use state in an embodiment of a lubrication structure of a planetary gear and a planetary shaft according to the present invention;
the main element symbols are as follows:
a planetary gear shaft 1, a planetary gear 2,
An upper half groove 21, an annular oil storage groove 22 and a lower half groove 23.
Detailed Description
The present invention will be described in detail with reference to the drawings and specific embodiments, wherein like reference numerals are used for similar or identical parts in the drawings or the description, and implementations not shown or described in the drawings are known to those of ordinary skill in the art. In addition, directional terms, such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", and the like, used in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1 and fig. 2, the lubricating structure for a planetary gear and a planetary shaft of the present invention includes an annular oil storage tank 22 and an oil guide tank which are arranged on the inner wall of the planetary gear 2, wherein the oil guide tank runs through the inner wall of the planetary gear 2 from top to bottom, and the annular oil storage tank 22 and the oil guide tank are communicated with each other;
the oil guide groove is inclined from top to bottom along the rotating direction of the planetary gear 2, and the included angle between the vertical plane of the axis of the oil guide groove and the horizontal line is 45-75 degrees, preferably 60 degrees;
the oil guide grooves are multiple and are circumferentially distributed on the inner wall of the planetary gear 2;
lead the oil groove and include first half groove 21 and second half groove 23, first half groove 21 is located annular oil storage tank 22 top, and second half groove 23 is located annular oil storage tank 22 below, and first half groove 21 and second half groove 23 all communicate with annular oil storage tank 22, and the axis of first half groove 21 and the axis of second half groove 23 coincide each other on vertical plane.
In this embodiment, along with the rotation of the planetary gear 2, the oil flows into the annular oil storage tank 22 through the upper half tank 21 to lubricate the contact surface between the planetary gear 2 and the planetary gear shaft 1, and the lubricated lubricating oil flows out from the oil guide tank to take away heat.
Example two:
the utility model discloses a lubricating structure of planetary gear and planetary shaft, which comprises an annular oil storage tank 22 and an oil guide tank which are arranged on the inner wall of the planetary gear 2, wherein the oil guide tank penetrates through the inner wall of the planetary gear 2 from top to bottom, and the annular oil storage tank 22 and the oil guide tank are mutually communicated;
the oil guide groove is inclined from top to bottom along the rotation direction of the planetary gear 2, and the included angle between the vertical plane of the axis of the oil guide groove and the horizontal line is 45-75 degrees, preferably 60 degrees;
the oil guide grooves are multiple and are circumferentially distributed on the inner wall of the planetary gear 2;
lead the oil groove and include first half groove 21 and second half groove 23, first half groove 21 is located annular oil storage tank 22 top, and second half groove 23 is located annular oil storage tank 22 below, and first half groove 21 and second half groove 23 all communicate with annular oil storage tank 22, and the axis of first half groove 21 and the axis of second half groove 23 are parallel to each other on vertical plane, and do not coincide.
In this embodiment, along with the rotation of the planetary gear 2, the oil flows into the annular oil storage tank 22 through the upper half tank 21 to lubricate the contact surface between the planetary gear 2 and the planetary gear shaft 1, and the lubricated lubricating oil flows out from the oil guide tank to take away heat.
It is right above that the utility model provides a pair of planetary gear and planetary shaft's lubricating structure has introduced in detail. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (7)
1. A lubricating structure of a planetary gear and a planetary shaft is characterized in that: including offering annular oil storage tank (22) and the oil groove of leading at the inner wall of planetary gear (2), lead the inner wall that the oil groove from the top down runs through planetary gear (2), annular oil storage tank (22) with lead the oil groove and communicate each other.
2. A lubrication structure of a planetary gear and a planetary shaft according to claim 1, wherein: the oil guide groove is inclined from top to bottom along the rotation direction of the planetary gear (2).
3. A lubrication structure of a planetary gear and a planetary shaft according to claim 2, wherein: the included angle between the vertical plane of the axis of the oil guide groove and the horizontal line is 45-75 degrees.
4. A lubrication structure of a planetary gear and a planetary shaft according to claim 3, wherein: the included angle between the vertical plane of the axis of the oil guide groove and the horizontal line is 60 degrees.
5. A lubricating structure of a planetary gear and a planetary shaft according to claim 1, wherein: the oil guide grooves are distributed on the inner wall of the planetary gear (2) in the circumferential direction.
6. A lubricating structure of a planetary gear and a planetary shaft according to claim 1, wherein: lead the oil groove and include first half groove (21) and second half groove (23), first half groove (21) are located annular oil storage tank (22) top, second half groove (23) are located annular oil storage tank (22) below, first half groove (21) and second half groove (23) all communicate with annular oil storage tank (22), the axis of first half groove (21) and the axis of second half groove (23) coincide each other on vertical plane.
7. A lubrication structure of a planetary gear and a planetary shaft according to claim 1, wherein: lead the oil groove and include first half groove (21) and second half groove (23), first half groove (21) are located annular oil storage tank (22) top, second half groove (23) are located annular oil storage tank (22) below, first half groove (21) and second half groove (23) all communicate with annular oil storage tank (22), the axis of first half groove (21) and the axis of second half groove (23) are parallel to each other on vertical plane, and do not coincide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223098352.4U CN218863237U (en) | 2022-11-22 | 2022-11-22 | Lubricating structure of planetary gear and planetary shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223098352.4U CN218863237U (en) | 2022-11-22 | 2022-11-22 | Lubricating structure of planetary gear and planetary shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218863237U true CN218863237U (en) | 2023-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223098352.4U Active CN218863237U (en) | 2022-11-22 | 2022-11-22 | Lubricating structure of planetary gear and planetary shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218863237U (en) |
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2022
- 2022-11-22 CN CN202223098352.4U patent/CN218863237U/en active Active
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