CN218818088U - Planet row lubricating structure and vehicle - Google Patents
Planet row lubricating structure and vehicle Download PDFInfo
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- CN218818088U CN218818088U CN202320024344.0U CN202320024344U CN218818088U CN 218818088 U CN218818088 U CN 218818088U CN 202320024344 U CN202320024344 U CN 202320024344U CN 218818088 U CN218818088 U CN 218818088U
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- oil
- oil supply
- supply hole
- planet
- shaft
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The utility model provides a planet row lubricating structure and vehicle belongs to the vehicle lubrication technology field, including motor shaft, planet axle and planet carrier, the planet axle has the planet wheel through first bearing empty cover, installs first ball bearing on the planet carrier, and the main oil feed hole has been seted up to the axial of motor shaft, and the first oil feed hole that communicates with the main oil feed hole has been seted up to the axial of planet axle; a second oil supply hole communicated with the first oil supply hole is formed in the radial direction of the planet shaft and used for supplying oil to the first needle bearing; and a third oil supply hole communicated with the first oil supply hole is further formed in the planet carrier, a fourth oil supply hole communicated with the third oil supply hole is formed in the planet carrier, and the third oil supply hole and the fourth oil supply hole are used for supplying oil to the first ball bearing in the same direction. The utility model provides a pair of lubricating structure is arranged to planet through trompil on planet axle and planet carrier to reach the purpose that carries out the intensive lubrication to the bearing of the planet wheel of planet row mechanism and the ball bearing of planet carrier.
Description
Technical Field
The utility model belongs to the technical field of the vehicle is lubricated, more specifically say, relate to a lubricating structure and vehicle are arranged to planet.
Background
Planetary gear sets are increasingly used as coupling devices for a plurality of power sources in hybrid transmissions of motor vehicles. In the operation process, the planet wheel has extremely high rotation speed, heat generation is greatly increased, and enough lubricating oil is needed for lubrication.
At present, in the market, a splash lubrication mode is mainly adopted for lubricating a needle roller bearing of a planet wheel and a ball bearing of a planet carrier, the lubrication mode is simple, and the needle roller bearing of the planet wheel and the ball bearing of the planet carrier of a planet row mechanism cannot be fully lubricated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lubricating structure is arranged to planet, the bearing that aims at solving the bearing of the planet wheel of planet row mechanism and the planet carrier can't obtain fully lubricated problem.
In order to achieve the above object, the utility model adopts the following technical scheme: the planet row lubricating structure comprises a motor shaft, a planet shaft and a planet carrier, wherein the planet shaft is sleeved with a planet wheel through a first needle bearing in an empty mode, the planet carrier is provided with a first ball bearing, a main oil supply hole is formed in the axial direction of the motor shaft, and a first oil supply hole communicated with the main oil supply hole is formed in the axial direction of the planet shaft;
a second oil supply hole communicated with the first oil supply hole is formed in the radial direction of the planet shaft and used for supplying oil to the first needle bearing;
still seted up in the planet axle with the third oil feed hole of first oil feed hole intercommunication, seted up in the planet carrier with the fourth oil feed hole of third oil feed hole intercommunication, the third oil feed hole with the fourth oil feed hole is used for the syntropy first ball bearing fuel feeding.
In a possible implementation manner, the second oil supply holes are multiple and are uniformly distributed along the circumferential direction of the planet shaft.
In one possible implementation manner, the second oil supply hole is opened in the middle of the planet shaft.
In one possible implementation, the third oil supply hole is an L-shaped oil supply hole and extends in the axial direction and the radial direction of the planet shaft, respectively.
In a possible implementation manner, a first shell is arranged outside the motor shaft, a second ball bearing is arranged between the motor shaft and the first shell, a second needle bearing is arranged outside the first shell, and an oil collecting tray is arranged at one end, away from the third oil supply hole, of the planet shaft;
a fifth oil supply hole communicated with the main oil supply hole is formed in the radial direction of the motor shaft and used for supplying oil to the second ball bearing;
and a sixth oil supply hole communicated with the first oil supply hole is formed in the oil collecting disc and used for supplying oil to the second needle bearing.
In one possible implementation, the fifth oil supply hole is provided at a rear side of the second ball bearing in an oil supply direction of the main oil supply hole.
In a possible implementation manner, the fifth oil supply hole is obliquely arranged along the oil supply direction of the main oil supply hole.
In a possible implementation manner, an oil guide plate is arranged on the motor shaft, and the oil guide plate is used for guiding the lubricating oil of the main oil supply hole to the oil collecting tray.
In a possible implementation manner, an inclined section is arranged at the end part, close to the oil collecting tray, of the oil guide plate, and the inclined section is used for guiding lubricating oil into the oil collecting tray.
The utility model provides a pair of lubricating structure is arranged to planet's beneficial effect lies in: compared with the prior art, the lubricating oil enters the first oil supply hole of the planet shaft from the main oil supply hole of the motor shaft, and the lubricating oil in the first oil supply hole enters the gap between the planet shaft and the planet wheel through the second oil supply hole so as to lubricate the first needle roller bearing; in addition, the lubricating oil in the first oil supply hole enters the outer side of the planet carrier through the third oil supply hole and the fourth oil supply hole to lubricate the first ball bearing. The utility model provides a lubricating structure is arranged to planet through trompil on planet axle and planet carrier to reach the needle bearing of the planet wheel of arranging the mechanism to the planet and the ball bearing of planet carrier and carry out the purpose of abundant lubrication.
The utility model also provides a vehicle, include planet row lubricating structure.
The utility model provides a vehicle owing to used foretell planet row lubricating structure, consequently possesses the same beneficial effect of arranging lubricating structure with the planet, no longer gives unnecessary details here.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a planet row lubrication structure provided in an embodiment of the present invention;
fig. 2 is an oil circuit diagram of a planetary gear lubrication structure provided by an embodiment of the present invention.
Description of reference numerals:
1. a motor shaft; 2. a planet shaft; 3. a planet carrier; 4. a planet wheel; 5. a main oil supply hole; 6. a first needle bearing; 7. a first ball bearing; 8. a first oil supply hole; 9. a second oil supply hole; 10. a third oil supply hole; 11. a fourth oil supply hole; 12. a first housing; 13. a second ball bearing; 14. a second needle bearing; 15. an oil collecting tray; 16. a fifth oil supply hole; 17. a sixth oil supply hole; 18. an oil guide plate; 19. a ring gear; 20. a second housing; 21. a gasket; 100. a first oil passage; 200. a second oil passage; 300. a third oil passage; 400. a fourth oil passage; 500. a fifth oil passage; 600. and a sixth oil passage.
Detailed Description
In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a planetary row lubrication structure provided by the present invention will now be described. A planet row lubricating structure comprises a motor shaft 1, a planet shaft 2 and a planet carrier 3, wherein the planet shaft 2 is sleeved with a planet wheel 4 in an empty mode through a first needle bearing 6, a first ball bearing 7 is mounted on the planet carrier 3, a main oil supply hole 5 is formed in the axial direction of the motor shaft 1, and a first oil supply hole 8 communicated with the main oil supply hole 5 is formed in the axial direction of the planet shaft 2; a second oil supply hole 9 communicated with the first oil supply hole 8 is formed in the radial direction of the planet shaft 2, and the second oil supply hole 9 is used for supplying oil to the first needle bearing 6; a third oil supply hole 10 communicated with the first oil supply hole 8 is further formed in the planet shaft 2, a fourth oil supply hole 11 communicated with the third oil supply hole 10 is formed in the planet carrier 3, and the third oil supply hole 10 and the fourth oil supply hole 11 are used for supplying oil to the first ball bearing 7 in the same direction.
Compared with the prior art, the lubricating oil enters the first oil supply hole 8 of the planet shaft 2 from the main oil supply hole 5 of the motor shaft 1, and the lubricating oil in the first oil supply hole 8 enters the gap between the planet shaft 2 and the planet wheel 4 through the second oil supply hole 9 to lubricate the first needle bearing 6; further, the lubricating oil in the first oil supply hole 8 is introduced to the outside of the carrier 3 through the third oil supply hole 10 and the fourth oil supply hole 11 to lubricate the first ball bearing 7. The utility model provides a lubricating structure is arranged to planet through trompil on planet axle 2 and planet carrier 3 to reach the purpose that carries out abundant lubrication to the needle bearing of planet wheel 4 of mechanism is arranged to the planet and the ball bearing of planet carrier 3.
Specifically, the motor shaft 1 is installed in a first housing 12, a second ball bearing 13 is disposed between the motor shaft 1 and the first housing 12, and a second needle bearing 14 is disposed on the outer side of the first housing 12. The planet shaft 2 is provided with a planet wheel 4 in an empty sleeve mode through a first needle bearing 6, one side of the planet wheel 4 is in transmission fit with the motor shaft 1, the other side of the planet wheel 4 is in transmission fit with a gear ring 19 arranged on the inner periphery of a second shell 20, the planet carrier 3 is fixedly connected with one end of the planet shaft 2, and a second ball bearing 13 is arranged between the planet carrier 3 and the second shell 20.
In addition, an oil collecting tray 15 is installed at one end, away from the planet carrier 3, of the first oil supply hole 8 of the planet shaft 2, the oil collecting tray 15 has an open structure, a communication hole is formed in the radial direction of the motor shaft 1, an oil guide plate 18 is fixedly installed on the outer side of the motor shaft 1, and the oil guide plate 18 guides the lubricating oil passing through the communication hole to the oil collecting tray 15. Preferably, the end of the oil guide plate 18 close to the oil collecting tray 15 is provided with an inclined section, and the inclined section inclines towards the direction of the opening structure of the oil collecting tray 15, so that the lubricating oil can be guided to enter the oil collecting tray 15 more smoothly.
Specifically, the number of the second oil supply holes 9 is plural, the plural second oil supply holes 9 are uniformly arranged along the circumferential direction of the planet shaft 2 to form plural oil supply passages for supplying oil to the first needle bearing 6 at the same time, and in addition, the second oil supply holes 9 are formed in the middle of the planet shaft 2, so that the lubricating oil entering the gap between the planet shaft 2 and the planet wheel 4 can flow to both sides at the same time, and the gasket 21 at the edge of the first needle bearing 6 is lubricated at the same time after the first needle bearing 6 is lubricated.
Based on the mounting structure of the planet shaft 2 and the planet carrier 3, the third oil supply hole 10 is set to be an L-shaped oil supply hole, the L-shaped oil supply hole extends along the axial direction and the radial direction of the planet shaft 2, and the oil supply hole extending along the radial direction is opposite to the fourth oil supply hole 11 on the planet carrier 3, so that the lubricating oil in the first oil supply hole 8 can reach the outer side of the planet carrier 3 to lubricate the first ball bearing 7.
A fifth oil supply hole 16 is radially formed in the motor shaft 1, the fifth oil supply hole 16 is communicated with the main oil supply hole 5 and a gap between the motor shaft 1 and the first housing 12, and lubricating oil in the main oil supply hole 5 enters the gap between the motor shaft 1 and the first housing 12 through the fifth oil supply hole 16 to lubricate the second ball bearing 13.
Preferably, the outlet end of the fifth oil supply hole 16 is opened at the rear side of the second ball bearing 13, and the fifth oil supply hole 16 is inclined in the oil supply direction of the main oil supply hole 5, so that the lubricating oil can be more smoothly introduced into the gap between the motor shaft 1 and the first housing 12 from the main oil supply hole 5.
The oil collecting tray 15 is provided with a sixth oil supply hole 17, and the sixth oil supply hole 17 is communicated with the first oil supply hole 8 so that the lubricating oil enters the second needle roller bearing 14 on the outer side of the first shell 12 for lubrication.
Referring to fig. 2, a main oil supply hole 5 is axially formed in a motor shaft 1 to form a first oil path 100 communicated to an oil collecting tray 15 of a planet shaft 2, a first oil supply path formed in the axial direction of the planet shaft 2 forms a second oil path 200, a second oil supply path formed in the radial direction of the planet shaft 2 forms a third oil path 300, a third oil supply path formed in the planet shaft 2 and a fourth oil supply path formed in a planet carrier 3 together form a fourth oil path 400, a fifth oil supply hole 16 formed in the radial direction of the motor shaft 1 forms a fifth oil path 500, and a sixth oil supply hole 17 formed in the oil collecting tray 15 forms a sixth oil path 600.
The specific lubricating oil way of this scheme does:
lubricating oil enters from the inlet of the first oil path 100, one part of the lubricating oil lubricates the second ball bearing 13 through the fifth oil path 500, and the other part of the lubricating oil reaches the oil collecting tray 15 through the oil guide plate 18; one part of the lubricating oil in the oil collecting tray 15 lubricates the second needle bearing 14 through the sixth oil path 600, and the other part of the lubricating oil enters the second oil path 200; the lubricating oil in the second oil passage 200 partially lubricates the first needle bearing 6 and the spacer 21 through the third oil passage 300, and partially lubricates the first ball bearing 7 through the fourth oil passage 400.
On the basis of not additionally increasing the number of parts, the lubricating purpose is realized by arranging the oil supply holes on the basic parts to guide oil, the structure is simple and compact, and the space and the cost are saved; in addition, the size of the oil supply hole at each position can be controlled, and different lubricating flow requirements at different positions can be met.
Based on the same invention concept, the utility model also provides a vehicle, this vehicle has used foretell planet row lubricating structure, can improve the lubricated effect of the planet row in the vehicle. The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The planet row lubricating structure is characterized by comprising a motor shaft (1), a planet shaft (2) and a planet carrier (3), wherein the planet shaft (2) is sleeved with a planet wheel (4) in an empty mode through a first needle bearing (6), the planet carrier (3) is provided with a first ball bearing (7), a main oil supply hole (5) is formed in the axial direction of the motor shaft (1), and a first oil supply hole (8) communicated with the main oil supply hole (5) is formed in the axial direction of the planet shaft (2);
a second oil supply hole (9) communicated with the first oil supply hole (8) is formed in the radial direction of the planet shaft (2), and the second oil supply hole (9) is used for supplying oil to the first needle bearing (6);
still seted up in planet axle (2) with third oil feed hole (10) of first oil feed hole (8) intercommunication, seted up in planet carrier (3) with fourth oil feed hole (11) of third oil feed hole (10) intercommunication, third oil feed hole (10) with fourth oil feed hole (11) are used for jointly to first ball bearing (7) fuel feeding.
2. A planetary row lubrication structure as claimed in claim 1, wherein said second oil supply holes (9) are plural and uniformly arranged in a circumferential direction of said planetary shaft (2).
3. A planetary row lubrication arrangement according to claim 2, characterised in that the second oil supply hole (9) opens in the middle of the planetary shaft (2).
4. A planetary row lubrication structure as claimed in claim 1, wherein said third oil supply hole (10) is an L-shaped oil supply hole and extends in the axial direction and the radial direction of said planetary shaft (2), respectively.
5. A planetary row lubrication structure as claimed in any one of claims 1 to 4, wherein a first housing (12) is provided outside the motor shaft (1), a second ball bearing (13) is provided between the motor shaft (1) and the first housing (12), a second needle bearing (14) is provided outside the first housing (12), and an oil collecting disc (15) is provided at an end of the planetary shaft (2) away from the third oil supply hole (10);
a fifth oil supply hole (16) communicated with the main oil supply hole (5) is formed in the radial direction of the motor shaft (1), and the fifth oil supply hole (16) is used for supplying oil to the second ball bearing (13);
and a sixth oil supply hole (17) communicated with the first oil supply hole (8) is formed in the oil collecting tray (15), and the sixth oil supply hole (17) is used for supplying oil to the second needle roller bearing (14).
6. A planetary row lubrication structure according to claim 5, wherein said fifth oil supply hole (16) is provided at the rear side of said second ball bearing (13) in the oil supply direction of said main oil supply hole (5).
7. A planetary row lubrication structure according to claim 6, characterised in that said fifth oil supply hole (16) is arranged obliquely to the oil supply direction of said main oil supply hole (5).
8. A planetary row lubrication structure as claimed in claim 5, wherein an oil guide plate (18) is provided on the motor shaft (1), said oil guide plate (18) being used to guide the lubricating oil of said main oil supply hole (5) to said oil collecting pan (15).
9. A planet row lubrication arrangement as claimed in claim 8, wherein the end of the oil deflector (18) adjacent the oil collection pan (15) is provided with a slanted section for guiding lubricating oil into the oil collection pan (15).
10. A vehicle characterized by comprising the planetary row lubrication structure as recited in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320024344.0U CN218818088U (en) | 2023-01-05 | 2023-01-05 | Planet row lubricating structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320024344.0U CN218818088U (en) | 2023-01-05 | 2023-01-05 | Planet row lubricating structure and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218818088U true CN218818088U (en) | 2023-04-07 |
Family
ID=87262993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320024344.0U Active CN218818088U (en) | 2023-01-05 | 2023-01-05 | Planet row lubricating structure and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218818088U (en) |
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2023
- 2023-01-05 CN CN202320024344.0U patent/CN218818088U/en active Active
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