CN219911713U - Planetary gear lubricating structure - Google Patents
Planetary gear lubricating structure Download PDFInfo
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- CN219911713U CN219911713U CN202321411602.7U CN202321411602U CN219911713U CN 219911713 U CN219911713 U CN 219911713U CN 202321411602 U CN202321411602 U CN 202321411602U CN 219911713 U CN219911713 U CN 219911713U
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- oil
- planetary gear
- oil outlet
- magnetic block
- oil storage
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 9
- 238000005461 lubrication Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 6
- 239000003921 oil Substances 0.000 abstract description 84
- 239000010687 lubricating oil Substances 0.000 abstract description 13
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses a planetary gear lubricating structure, which relates to the technical field of gear lubrication and comprises a driving shaft, a sun gear arranged on the outer ring of the driving shaft and a plurality of planetary gears meshed with the sun gear, wherein a sleeve above the sun gear is fixedly sleeved on the outer ring of the driving shaft, an arc-shaped first magnetic block is arranged on the side wall of the sleeve, and an oil outlet mechanism comprising an oil storage cylinder and an oil outlet unit is arranged between every two planetary gears. The utility model can automatically lubricate the planetary gear, ensure the service life of the planetary gear, simultaneously cooperate with the sponge to carry out oil storage operation, repeatedly carry out the lubrication operation at intervals, avoid continuously lubricating the planetary gear and cause the waste of lubricating oil, and the addition period can be automatically controlled, ensure the planetary gear to work in a highly lubricated state, so that the operation is smooth and the noise is stable.
Description
Technical Field
The utility model relates to the technical field of gear lubrication, in particular to a planetary gear lubrication structure.
Background
The planetary reducer is common industrial equipment and is used for reducing the speed of a motor and increasing torque output at the same time, and different output models can be generated according to different speed requirements; because the sun gear and the planet gear keep rotating at a high speed when the planetary reducer operates, enough lubricating oil needs to be ensured between gear tooth openings of the sun gear and the planet gear to lubricate.
However, when the planetary gears are meshed for transmission, due to friction of tooth surfaces, abrasion among gears is serious, a worker needs to frequently drip lubricating oil among the planetary gears, the adding period of the lubricating oil is short, frequent adding of the worker is complicated, and the service life of the gears is greatly prolonged.
Disclosure of Invention
In view of the above, the present utility model provides a planetary gear lubrication structure.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the planetary gear lubricating structure comprises a driving shaft, a sun gear arranged on the outer ring of the driving shaft and a plurality of planetary gears meshed with the sun gear, wherein a sleeve above the sun gear is fixedly sleeved on the outer ring of the driving shaft, an arc-shaped first magnetic block is arranged on the side wall of the sleeve, and an oil outlet mechanism comprising an oil storage cylinder and an oil outlet unit is arranged between every two planetary gears;
the oil outlet unit comprises a sponge fixedly sleeved in the oil storage cylinder and a second magnetic block slidingly sleeved in the oil storage cylinder, a second oil outlet is formed in the middle of the second magnetic block, the magnetic poles of the first magnetic block and the magnetic pole of the second magnetic block are opposite, and an oil outlet piece is arranged on an oil outlet of the oil storage cylinder;
the novel energy-saving device also comprises a frame body, and the driving shaft penetrates through the center of the frame body.
Preferably, the oil storage cylinder is fixedly sleeved on the frame body and is positioned above the planetary gear, a driven shaft is arranged in the planetary gear, and two ends of the driven shaft are rotatably connected to the frame body.
Preferably, the oil outlet piece comprises a connecting pipe fixedly sleeved in the oil outlet of the oil storage cylinder, and an oil outlet pipe is fixedly sleeved in the oil outlet of the connecting pipe;
the top of planetary gear sets up and leads the oil groove, the oil outlet pipe is located lead the oil groove, lead and set up a plurality of oil drain hole on the oil groove, the oil drain hole is located between the planetary gear tooth.
Preferably, a plurality of first oil outlet holes are formed in the bottom of the outer ring of the oil outlet pipe.
Preferably, the sponge is close to one side fixedly connected with that is the second mount of cross, be provided with on the second mount and be located sealing plug in the second oil outlet, the opposite side fixedly connected with of second magnetic path a plurality of reset springs, reset spring's free end fixedly connected with is the first mount of cross, four free ends of first mount with the inner wall fixed connection of oil storage section of thick bamboo, first mount is close to one side of second magnetic path is provided with the casing, the casing embeds there is the electro-magnet.
Preferably, the oil storage amount of the sponge is not lower than the oil storage amount of the oil storage barrel.
In summary, the utility model has the technical effects and advantages that:
the utility model can automatically lubricate the planetary gear, ensure the service life of the planetary gear, simultaneously cooperate with the sponge to carry out oil storage operation, repeatedly carry out the lubrication operation at intervals, avoid continuously lubricating the planetary gear and cause the waste of lubricating oil, and the addition period can be automatically controlled, ensure the planetary gear to work in a highly lubricated state, so that the operation is smooth and the noise is stable.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a lubrication structure of a planetary gear.
Fig. 2 is a schematic partial structure.
Fig. 3 is a schematic diagram of a planetary gear structure.
Fig. 4 is a schematic cross-sectional view of a part of the structure.
In the figure: 1. a frame body; 2. a planetary gear; 201. an oil guiding groove; 202. an oil drain hole; 3. a driven shaft; 4. a driving shaft; 5. an oil storage cylinder; 6. a sun gear; 7. a sleeve; 701. a first magnetic block; 8. an oil outlet pipe; 801. a first oil outlet hole; 9. a connecting pipe; 10. a sponge; 11. a second magnetic block; 1101. a second oil outlet hole; 12. a housing; 13. a first fixing frame; 14. a return spring; 15. the second fixing frame; 16. and (5) sealing plugs.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: referring to fig. 1-4, a planetary gear lubrication structure comprises a driving shaft 4, a sun gear 6 arranged on the outer ring of the driving shaft 4 and a plurality of planetary gears 2 meshed with the sun gear 6, wherein a sleeve 7 positioned above the sun gear 6 is fixedly sleeved on the outer ring of the driving shaft 4, a first arc-shaped magnetic block 701 is arranged on the side wall of the sleeve 7, and an oil outlet mechanism comprising an oil storage cylinder 5 and an oil outlet unit is arranged between every two planetary gears 2; the oil outlet unit comprises a sponge 10 fixedly sleeved in the oil storage cylinder 5 and a second magnetic block 11 slidingly sleeved in the oil storage cylinder 5, a second oil outlet 1101 is formed in the middle of the second magnetic block 11, the magnetic poles of the first magnetic block 701 and the magnetic pole of the second magnetic block 11 are opposite, and an oil outlet piece is arranged on an oil outlet of the oil storage cylinder 5;
when lubricating the planetary gear 2, the driving shaft 4 rotates to enable the sleeve 7 to rotate, and then the first magnetic block 701 rotates along with the sleeve, in the rotating process, tracks close to the second magnetic block 11 and far away from the second magnetic block 11 can be generated, when the tracks are close to the second magnetic block 11, as the magnetic poles of the first magnetic block 701 and the second magnetic block 11 are opposite, the mutual attraction force of the first magnetic block and the second magnetic block 11 is enhanced, the second magnetic block 11 can compress the sponge 10, lubricating oil stored in the sponge 10 is pressed into an oil outlet piece, the planetary gear 2 is automatically lubricated, and the service life of the planetary gear is guaranteed.
As shown in fig. 1 and 2, the planetary gear further comprises a frame body 1, the driving shaft 4 penetrates through the center of the frame body 1, the oil storage cylinder 5 is fixedly sleeved on the frame body 1 and is located above the planetary gear 2, the planetary gear 2 is internally provided with a driven shaft 3, and two ends of the driven shaft 3 are rotatably connected to the frame body 1.
As shown in fig. 2-4, the oil outlet piece comprises a connecting pipe 9 fixedly sleeved in the oil outlet of the oil storage cylinder 5, and an oil outlet pipe 8 is fixedly sleeved in the oil outlet of the connecting pipe 9; in order to ensure the lubricating effect on the planetary gear 2, an oil guiding groove 201 is formed in the top of the planetary gear 2, the oil outlet pipe 8 is located in the oil guiding groove 201, a plurality of oil drain holes 202 are formed in the oil guiding groove 201, and the oil drain holes 202 are located between teeth of the planetary gear 2.
When the second magnetic block 11 compresses the sponge 10, lubricating oil stored in the sponge 10 is pressed into the connecting pipe 9, and in the embodiment, the connecting pipe 9 is provided with two liquid outlets; enters the oil outlet pipe 8 through the connecting pipe 9, is discharged into the oil guide groove 201 through the oil outlet pipe 8, lubricates teeth of the planetary gear 2 under the cooperation of the oil discharge hole 202, and lubricates the sun gear 6 on the side surface due to the mutual engagement of the planetary gear 2 and the sun gear 6 in the rotation process of the planetary gear 2.
In order to accelerate the oil outlet rate, as shown in fig. 4, a plurality of first oil outlet holes 801 are formed in the bottom of the outer ring of the oil outlet pipe 8.
As shown in fig. 4, a second fixing frame 15 which is cross-shaped is fixedly connected to one side, close to the second magnetic block 11, of the sponge 10, a sealing plug 16 which is located in a second oil outlet 1101 is arranged on the second fixing frame 15, a plurality of return springs 14 are fixedly connected to the other side of the second magnetic block 11, a first fixing frame 13 which is cross-shaped is fixedly connected to the free end of each return spring 14, four free ends of the first fixing frame 13 are fixedly connected with the inner wall of the oil storage barrel 5, a shell 12 is arranged on one side, close to the second magnetic block 11, of the first fixing frame 13, and an electromagnet is arranged in the shell 12.
When the sponge 10 is required to accumulate lubricating oil, the electromagnet is charged, so that the magnetic force is gradually enhanced, and suction force is generated on the second magnetic block 11, wherein the suction force is larger than the maximum suction force of the first magnetic block 701 on the second magnetic block 11; the second magnetic block 11 gradually approaches the shell 12 and compresses the return spring 14, so that the sealing plug 16 is separated from the second oil outlet 1101, lubricating oil in the oil storage cylinder 5 passes through the second oil outlet 1101 and is absorbed by the sponge 10 (not less than 30 seconds), the electromagnet is powered off after the lubricating oil is absorbed for a period of time, the second magnetic block 11 is reset under the action of the return spring 14, and the sealing plug 16 reenters the second oil outlet 1101 to be ready for next lubrication of the planetary gear 2;
when the last lubrication is finished, a period of time can be reserved, and then the sponge 10 is subjected to oil storage operation, so that the waste of lubricating oil is reduced;
the interval period can be controlled automatically, so that the planetary gear works in a highly lubricated state, the running is smooth, and the noise is stable.
The second magnet 11 will still compress the sponge 10 during the interval.
When the first magnetic block 701 is far away from the second magnetic block 11, the attraction force between the first magnetic block 701 and the second magnetic block is weakened, and the second magnetic block 11 is reset under the action of the reset spring 14, and the sponge 10 has elasticity and is reset along with the elasticity.
The oil storage quantity of the sponge 10 is not lower than the oil storage quantity of the oil storage cylinder 5, so that excessive oil storage is avoided, and the lubricating oil drops in an interval time to cause waste.
In this embodiment, the lubricating oil needs to be added to the oil storage cylinder 5 periodically, so the oil inlet (not shown) of the oil storage cylinder 5 should be provided with a valve or a plug.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a planetary gear lubricating structure, includes driving shaft (4), sets up sun gear (6) at driving shaft (4) outer lane and with a plurality of planetary gear (2) of sun gear (6) meshing, its characterized in that: the outer ring of the driving shaft (4) is fixedly sleeved with a sleeve (7) positioned above the sun gear (6), the side wall of the sleeve (7) is provided with a first arc-shaped magnetic block (701), and an oil outlet mechanism which comprises an oil storage cylinder (5) and an oil outlet unit is arranged between every two planetary gears (2);
the oil outlet unit comprises a sponge (10) fixedly sleeved in the oil storage cylinder (5) and a second magnetic block (11) slidingly sleeved in the oil storage cylinder (5), a second oil outlet (1101) is formed in the middle of the second magnetic block (11), the magnetic poles of the first magnetic block (701) and the magnetic poles of the second magnetic block (11) are opposite, and an oil outlet piece is arranged on an oil outlet of the oil storage cylinder (5);
the novel energy-saving device also comprises a frame body (1), and the driving shaft (4) penetrates through the center of the frame body (1).
2. The planetary gear lubrication structure according to claim 1, wherein: the oil storage cylinder (5) is fixedly sleeved on the frame body (1) and is positioned above the planetary gear (2), a driven shaft (3) is arranged in the planetary gear (2), and two ends of the driven shaft (3) are rotatably connected to the frame body (1).
3. The planetary gear lubrication structure according to claim 1, wherein: the oil outlet piece comprises a connecting pipe (9) fixedly sleeved in the oil outlet of the oil storage cylinder (5), and an oil outlet pipe (8) is fixedly sleeved in the oil outlet of the connecting pipe (9);
an oil guide groove (201) is formed in the top of the planetary gear (2), the oil outlet pipe (8) is located in the oil guide groove (201), a plurality of oil drain holes (202) are formed in the oil guide groove (201), and the oil drain holes (202) are located between teeth of the planetary gear (2).
4. A planetary gear lubrication according to claim 3, wherein: a plurality of first oil outlet holes (801) are formed in the bottom of the outer ring of the oil outlet pipe (8).
5. The planetary gear lubrication structure according to claim 1, wherein: the novel oil storage device is characterized in that one side of the sponge (10) close to the second magnetic block (11) is fixedly connected with a second fixing frame (15) which is cross-shaped, a sealing plug (16) which is positioned in the second oil outlet (1101) is arranged on the second fixing frame (15), the other side of the second magnetic block (11) is fixedly connected with a plurality of return springs (14), the free ends of the return springs (14) are fixedly connected with a first fixing frame (13) which is cross-shaped, the four free ends of the first fixing frame (13) are fixedly connected with the inner wall of the oil storage cylinder (5), one side of the first fixing frame (13) close to the second magnetic block (11) is provided with a shell (12), and an electromagnet is arranged in the shell (12).
6. The planetary gear lubrication structure according to claim 1, wherein: the oil storage quantity of the sponge (10) is not lower than the oil storage quantity of the oil storage cylinder (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411602.7U CN219911713U (en) | 2023-06-05 | 2023-06-05 | Planetary gear lubricating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411602.7U CN219911713U (en) | 2023-06-05 | 2023-06-05 | Planetary gear lubricating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219911713U true CN219911713U (en) | 2023-10-27 |
Family
ID=88429968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321411602.7U Active CN219911713U (en) | 2023-06-05 | 2023-06-05 | Planetary gear lubricating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219911713U (en) |
-
2023
- 2023-06-05 CN CN202321411602.7U patent/CN219911713U/en active Active
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