CN217762021U - Planetary gear assembly with lubricating oil channel - Google Patents
Planetary gear assembly with lubricating oil channel Download PDFInfo
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- CN217762021U CN217762021U CN202221377553.5U CN202221377553U CN217762021U CN 217762021 U CN217762021 U CN 217762021U CN 202221377553 U CN202221377553 U CN 202221377553U CN 217762021 U CN217762021 U CN 217762021U
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- planet
- oil
- planetary gear
- planet wheel
- shaft
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Abstract
The utility model relates to a planetary gear technical field, concretely relates to planetary gear assembly with lubricated oil duct, including planet axle and planet wheel, the planet axle has the oil inlet, lead oilhole and radial hole, the planet wheel has oil groove and through-hole, the oil inlet is located one side of planet axle, lead oilhole and oil inlet intercommunication, radial hole and lead oilhole intercommunication, and run through the planet axle, the oil groove is located one side that the planet wheel is close to the planet axle, through-hole and oil groove intercommunication, and run through the planet wheel, derive lubricating oil leading-in from the planet wheel outside dispersion through following planet axle center, a plurality of connection points to planet wheel outside surface meshing connection position have been avoided carrying out the individual lubrication, and then lubricated efficiency has been improved.
Description
Technical Field
The utility model relates to a planetary gear technical field especially relates to a planetary gear assembly with lubricating-oil duct.
Background
The transmission mode is different, and gear drive is one of them, and in gear drive's in-process, long-term connection can make the gear wear, and transmission efficiency reduces simultaneously.
The prior art is used for protecting connecting pads between gears, so that lubricating oil is added at the connecting points to protect meshing between the gears and improve the transmission efficiency.
However, when lubricating, the traditional lubricating mode needs to independently adjust lubricating oil for a plurality of connection points on the outer side of the planet wheel, so that the lubricating efficiency is low, time and labor are wasted, and the lubricating efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a planetary gear assembly with lubricating-oil duct, when lubricated, traditional lubricated mode need carry out the individual regulation lubricating oil to a plurality of connection points in the planet wheel outside, and lubricated inefficiency just wastes time and energy to the lubricated efficiency of use has been reduced.
In order to achieve the purpose, the utility model provides a planetary gear assembly with a lubricating oil channel, which comprises a planetary shaft and a planetary gear, wherein the planetary gear is arranged on the planetary shaft,
the planet shaft is provided with an oil inlet, an oil guide hole and a radial hole, the planet wheel is provided with an oil groove and a through hole, the oil inlet is positioned on one side of the planet shaft, the oil guide hole is communicated with the oil inlet, the radial hole is communicated with the oil guide hole and penetrates through the planet shaft, the oil groove is positioned on one side, close to the planet shaft, of the planet wheel, and the through hole is communicated with the oil groove and penetrates through the planet wheel.
The planetary gear assembly with the lubricating oil channel further comprises a meshing tooth, and the meshing tooth is fixedly connected with the planetary gear and located on one side of the planetary gear.
The planetary gear assembly with the lubricating oil channel further comprises a sliding bearing, and the sliding bearing is fixedly connected with the planetary shaft and is positioned on one side, close to the planetary gear, of the planetary shaft.
The planetary wheel is provided with a lateral hole, and the lateral hole is communicated with the through hole and is positioned on one side of the planetary wheel.
The planetary gear assembly connecting assembly with the lubricating oil channel is arranged on the planetary gear.
The connecting assembly comprises a sun wheel and a sun shaft, the sun wheel is connected with the planet wheel in a meshed mode and located on one side of the planet wheel, and the sun shaft is arranged on the sun wheel and located on one side of the sun wheel.
The connecting assembly further comprises an inner gear ring, the inner gear ring is in meshed connection with the planet gear and is located on one side, far away from the sun gear, of the planet gear.
The utility model discloses a planetary gear assembly with lubricated oil duct, lubricating oil at first passes through the oil inlet can make lubricating oil pass through oil inlet department gets into in the planet axle, then make lubricating oil pass through the oil inlet flows in the inside oil guide hole of planet axle, make lubricating oil pass through oil guide hole dispersion flows in a plurality ofly the radial hole extremely the planet axle with the outside surface that the planet wheel is connected, lubricating oil partly follows this moment the planet axle surface flows to both sides, forms the planet axle with lubricating oil film between the planet wheel, another part lubricating oil assembles and is in oil groove position in the middle of the planet wheel, then makes lubricating oil pass through the oil groove passes through the through-hole flows to the outside connection surface of planet wheel, along with the rotation of planet wheel, realizes right the lubrication at planet wheel outside surface meshing connection position to it is right to have avoided a plurality of connections point of planet wheel outside surface meshing connection position to carry out the individual lubrication, and then has improved lubricated efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural view of a planetary gear assembly having a lubricating oil passage according to a first embodiment of the present invention.
Fig. 2 is an enlarged view of fig. 1 a according to the first embodiment of the present invention.
Fig. 3 is a side view of the planetary gear of the first embodiment of the present invention.
Fig. 4 is a schematic structural view of a planetary gear assembly having a lubricating oil passage according to a second embodiment of the present invention.
In the figure: 101-planet shaft, 102-planet wheel, 103-rodent, 104-sliding bearing, 105-oil inlet, 106-oil guide hole, 107-radial hole, 108-oil groove, 109-through hole, 110-lateral hole, 201-connecting component, 202-sun wheel, 203-sun shaft and 204-inner gear ring.
Detailed Description
The embodiments of the invention will be described in detail hereinafter, examples of which are illustrated in the accompanying drawings, and the embodiments described hereinafter with reference to the drawings are exemplary and intended to be illustrative of the invention and should not be construed as limiting the invention.
The first embodiment of the present application is:
referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a planetary gear assembly with a lubricating oil passage according to a first embodiment of the present invention, fig. 2 is an enlarged view of a point a of fig. 1 according to the first embodiment of the present invention, and fig. 3 is a side view of a planetary gear according to the first embodiment of the present invention. The utility model provides a planetary gear assembly with lubricating oil duct, including planet axle 101, planet wheel 102, rodent 103 and slide bearing 104, planet axle 101 has oil inlet 105, leads oilhole 106 and radial hole 107, planet wheel 102 has oil groove 108, through-hole 109 and side direction hole 110.
For the present embodiment, the planet wheel 102 is disposed on the planet shaft 101, and the planet shaft 101 is used to connect and support the planet wheel 102 during rotation.
Wherein the oil inlet 105 is located at one side of the planet shaft 101, the oil guide hole 106 is communicated with the oil inlet 105, the radial hole 107 is communicated with the oil guide hole 106, and penetrates through the planet shaft 101, the oil groove 108 is positioned at one side of the planet wheel 102 close to the planet shaft 101, the through hole 109 is communicated with the oil groove 108, and penetrates through the planet wheel 102, the oil inlet 105 is arranged at the center of the planet shaft 101, through the oil inlet 105 it is possible to let lubricating oil through the oil inlet 105 into the planet shaft 101, the oil guide hole 106 communicates with an oil inlet 105 at the center of the planet shaft 101, so that the lubricating oil flows into the oil guide hole 106 inside the planet shaft 101 through the oil inlet 105, a plurality of the radial holes 107 are provided, a plurality of the radial holes 107 are communicated with the oil guide holes 106 at the center of the planet shaft 101, and penetrates the outer side surface of the connection of the planet shaft 101 to the planet shaft 101, so that the lubricating oil dispersedly flows into a plurality of radial holes 107 through the oil guide holes 106 to the outer side surface of the connection of the planet shaft 101 and the planet wheels 102, and thus flows between the planetary gear 102 and the planetary shaft 101, the planetary gear 102 has an oil groove 108, the oil groove 108 is plural, the dispersed lubricating oil which flows between the planetary shafts 101 and the planetary wheels 102 can be discharged into the oil groove 108, a plurality of through holes 109 are formed, the plurality of through holes 109 are communicated with the plurality of oil grooves 108 and penetrate to the outer side of the connecting surface of the planet wheel 102, so that the lubricating oil flows through the oil groove 108 via the through-hole 109 to the outer connecting surface of the planet wheel 102, therefore, independent lubrication on a plurality of connection point positions connected with the planet wheel 102 is avoided, and the lubrication efficiency is improved.
Secondly, the engaging teeth 103 are fixedly connected with the planet wheel 102 and located on one side of the planet wheel 102, the planet wheel 102 is integrally fixed with a plurality of engaging teeth 103, the engaging teeth 103 are herringbone teeth, the effect of external meshing of the planet wheel 102 is achieved through the engaging teeth 103, and the transverse force on the planet shaft 101 can be eliminated through the herringbone teeth, so that the effects of high overlap ratio, small axial load, high bearing capacity and stable work are achieved.
Meanwhile, the sliding bearing 104 is fixedly connected with the planet shaft 101 and is positioned on one side, close to the planet wheel 102, of the planet shaft 101, the sliding bearing 104 is made of babbit metal and has a friction reducing characteristic, the sliding bearing 104 is sprayed on the outer side of the planet shaft 101, and friction between the planet wheel 102 and the planet shaft 101 can be reduced through the sliding bearing 104 made of the babbit metal.
Finally, the lateral holes 110 are communicated with the through hole 109 and located on one side of the planet gear 102, the number of the lateral holes 110 is multiple, and the plurality of the lateral holes 110 enable lubricating oil to flow to the upper end face and the lower end face of the planet gear 102 through the lateral holes 110, so that the end faces of the planet gear 102 are lubricated.
When the planetary gear assembly with the lubricating oil channel of the present embodiment is used, lubricating oil firstly enters the planetary shaft 101 through the oil inlet 105, then flows into the oil guiding hole 106 inside the planetary shaft 101 through the oil inlet 105, so that the lubricating oil dispersedly flows into the plurality of radial holes 107 through the oil guiding hole 106 to the outer side surface where the planetary shaft 101 is connected with the planet gears 102, at this time, a part of the lubricating oil flows along the surface of the planetary shaft 101 to both sides to form a lubricating oil film between the planetary shaft 101 and the planet gears 102, another part of the lubricating oil is gathered at the oil groove 108 in the middle of the planet gears 102, and then the lubricating oil flows to the outer side connecting surface of the planet gears 102 through the oil groove 108 via the through holes 109, and along with the rotation of the planet gears 102, the lubrication of the meshing connecting part on the outer side surface of the planet gears 102 is realized, so that the separate lubrication of the plurality of connecting points on the meshing connecting part on the outer side surface of the planet gears 102 is avoided, and the lubrication efficiency of the lubrication is further improved.
The second embodiment of the present application is:
referring to fig. 4 based on the first embodiment, fig. 4 is a schematic structural diagram of a planetary gear assembly with a lubricating oil duct according to a second embodiment of the present invention. The utility model provides a planetary gear assembly with lubricated oil duct still includes coupling assembling 201, coupling assembling 201 includes sun gear 202, sun shaft 203 and ring gear 204.
For this embodiment, the connecting assembly 201 is disposed on the planet wheel 102, and the effect of the connection and transmission of the planet wheel 102 can be achieved through the connecting assembly 201.
The sun gear 202 is in meshed connection with the planet gears 102 and is located on one side of the planet gears 102, the sun shaft 203 is arranged on the sun gear 202 and is located on one side of the sun gear 202, the sun gear 202 is in meshed connection with the planet gears 102, the tooth teeth 103 of the sun gear 202 are both herringbone teeth of the tooth teeth 103 of the planet gears 102, and the sun shaft 203 is arranged on the sun gear 202 and is driven by the sun shaft 203 to drive the sun gear 202 to drive the planet gears 102 to rotate.
Secondly, the inner gear ring 204 is in meshed connection with the planet gears 102 and is located on one side of the planet gears 102 far away from the sun gear 202, the inner gear ring 204 is in meshed connection with the planet gears 102, the tooth 103 of the inner gear ring 204 is also herringbone teeth of the tooth 103 of the planet gears 102, and the inner gear ring 204 is driven to rotate by the rotation of the planet gears 102.
When the planetary gear assembly with the lubricating oil channel is used, the sun gear 202 is driven to drive the planetary gear 102 to rotate through the transmission of the sun shaft 203, and the inner gear ring 204 is driven to rotate through the rotation of the planetary gear 102, so that the effect of connecting and driving the planetary gear 102 in the whole device is achieved.
While the above disclosure describes one or more preferred embodiments of the present invention, it is not intended to limit the scope of the claims to such embodiments, and one skilled in the art will understand that all or a portion of the processes performed in the above embodiments may be practiced without departing from the spirit and scope of the claims.
Claims (7)
1. A planetary gear assembly with a lubricating oil gallery, comprising a planetary shaft and a planetary wheel, which is arranged on the planetary shaft, characterized in that,
the planet shaft is provided with an oil inlet, an oil guide hole and a radial hole, the planet wheel is provided with an oil groove and a through hole, the oil inlet is positioned on one side of the planet shaft, the oil guide hole is communicated with the oil inlet, the radial hole is communicated with the oil guide hole and penetrates through the planet shaft, the oil groove is positioned on one side, close to the planet shaft, of the planet wheel, and the through hole is communicated with the oil groove and penetrates through the planet wheel.
2. The planetary gear assembly having the oil passage as set forth in claim 1,
the planetary gear assembly with lubricating oil duct still includes the rodent, the rodent with planet wheel fixed connection, and be located one side of planet wheel.
3. The planetary gear assembly having the oil passage as set forth in claim 1,
the planetary gear assembly with the lubricating oil channel further comprises a sliding bearing, and the sliding bearing is fixedly connected with the planetary shaft and is positioned on one side, close to the planetary gear, of the planetary shaft.
4. The planetary gear assembly having the oil passage as set forth in claim 1,
the planet wheel is provided with a lateral hole which is communicated with the through hole and is positioned on one side of the planet wheel.
5. The planetary gear assembly having the lubricating oil passage as claimed in claim 1,
the planetary gear assembly connecting assembly with the lubricating oil channel is arranged on the planetary gear.
6. The planetary gear assembly having the lubricating oil passage as claimed in claim 5,
the coupling assembling includes sun gear and sun shaft, the sun gear with the planet wheel meshing is connected, and is located one side of planet wheel, sun shaft sets up on the sun gear, and is located one side of sun gear.
7. The planetary gear assembly having the oil passage as set forth in claim 6,
the connecting assembly further comprises an inner gear ring, the inner gear ring is in meshed connection with the planet wheel and is located on one side, far away from the sun wheel, of the planet wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221377553.5U CN217762021U (en) | 2022-06-06 | 2022-06-06 | Planetary gear assembly with lubricating oil channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221377553.5U CN217762021U (en) | 2022-06-06 | 2022-06-06 | Planetary gear assembly with lubricating oil channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217762021U true CN217762021U (en) | 2022-11-08 |
Family
ID=83890926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221377553.5U Active CN217762021U (en) | 2022-06-06 | 2022-06-06 | Planetary gear assembly with lubricating oil channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217762021U (en) |
-
2022
- 2022-06-06 CN CN202221377553.5U patent/CN217762021U/en active Active
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