CN216789134U - Improved durable planetary gear - Google Patents
Improved durable planetary gear Download PDFInfo
- Publication number
- CN216789134U CN216789134U CN202220412891.1U CN202220412891U CN216789134U CN 216789134 U CN216789134 U CN 216789134U CN 202220412891 U CN202220412891 U CN 202220412891U CN 216789134 U CN216789134 U CN 216789134U
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- China
- Prior art keywords
- gear
- friction block
- planetary gear
- improved durable
- groove
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- Expired - Fee Related
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- 238000009434 installation Methods 0.000 claims abstract description 8
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 7
- 239000000956 alloy Substances 0.000 claims abstract description 7
- 238000009713 electroplating Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 19
- 239000010687 lubricating oil Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses an improved durable planetary gear which comprises an external gear, wherein a positioning column is welded on the outer wall of the external gear, a threaded pipe is welded on the top of the positioning column, an installation hole is formed in the threaded pipe, a bolt is arranged in the installation hole, a friction block is arranged at the top of the threaded pipe, a threaded hole is formed in the bottom of the friction block, an internal gear is arranged in the external gear, a guide groove is formed in the outer wall of the internal gear, a flow groove is formed in one side of the guide groove, and an installation plate is arranged at the top of the internal gear. According to the utility model, the outer gear is connected with other parts more through the positioning columns, the friction block is arranged on the positioning columns at the top of the outer gear, then the bolt is inserted into the mounting hole to fix the friction block for the second time, and the friction block made of the titanium alloy material has higher wear resistance, so that the outer gear can be prevented from being directly contacted with the parts to damage the outer gear, and the durability of the gear is improved.
Description
Technical Field
The utility model relates to the field of planetary gears, in particular to an improved durable planetary gear.
Background
Planetary gears are gear systems that can rotate around their own rotational axis like a fixed axis gear, and their rotational axes also rotate with the carrier around the axes of other gears, and the rotation around their own axis is called "rotation", and the rotation around the axes of other gears is called "revolution", like a planet in the sun system, and hence are named.
However, in practical use, gears in the planetary gear need to be meshed with multiple groups of gears, so that abrasion among the gears is increased, and the gears generate vibration during rotation, so that gear teeth among the gears are damaged.
Therefore, there is a need for an improved durable planetary gear that solves the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an improved durable planetary gear, wherein the outer gear is connected with other parts more through a positioning column, a friction block is arranged on the positioning column at the top of the outer gear, then a plug pin is inserted into an installation hole to fix the friction block for the second time, the friction block made of a titanium alloy material has higher wear resistance, so that the outer gear can be prevented from being directly contacted with the parts to cause damage of the outer gear, the durability of the gear is improved, and the defects in the technology are overcome.
In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a durable type planetary gear after improvement, includes the external gear, the welding of external gear outer wall has the reference column, the welding of reference column top has the screwed pipe, the inside mounting hole of having seted up of screwed pipe, the inside bolt that is provided with of mounting hole, the screwed pipe top is provided with the clutch blocks, the clutch blocks bottom is provided with the screw hole, the inside internal gear that is provided with of external gear, the guide way has been seted up to the internal gear outer wall, the flowing groove has been seted up to guide way one side, the internal gear top is provided with the mounting panel, the mounting panel top is provided with the inlet tube, the inside oil groove of having seted up of mounting panel, be provided with central gear in the middle of the oil groove.
Preferably, the number of the positioning columns is multiple, the positioning columns are annularly arrayed at the top of the outer gear, and the longitudinal sections of the positioning columns are isosceles trapezoids.
Preferably, the friction block is in threaded connection with the positioning column, the top of the friction block is arc-shaped, and the friction block is made of a titanium alloy material.
Preferably, the number of the inner gears is set to be a plurality, a plurality of the inner gears are annularly arrayed inside the outer gear, and the inner gears are subjected to electroplating treatment.
Preferably, the number of the oil outlet grooves is equal to that of the internal gears, and the oil outlet grooves are located right above the internal gears and the central gears.
Preferably, the number of the guide grooves is set to be a plurality, and the plurality of the guide grooves are annularly arrayed on the outer wall of the threaded hole.
In the technical scheme, the utility model provides the following technical effects and advantages:
1. through the reference column, the external gear is more with being connected of other parts, and the reference column installation clutch blocks at external gear top then carries out the secondary with the bolt insert in the mounting hole and fixes the clutch blocks, and the clutch blocks that titanium alloy material was made have higher wear resistance can prevent that the external gear is direct and the part contact, lead to the external gear to damage, have improved the durability of gear.
2. Through going out the oil groove, planetary gear's wearing and tearing that the position leads to is lubricated mainly by lubricating oil, goes out the oil trench and is located two sets of gear connection's centre to can lubricate the meshing position of gear, the lubricating oil of drippage simultaneously enters into the guide way in, then flows from the flow groove, thereby is convenient for paint lubricating oil to the optional position of gear.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective cross-sectional view of the present invention.
Fig. 3 is a perspective view of an internal gear of the present invention.
FIG. 4 is a perspective cross-sectional view of the friction block of the present invention.
Description of the reference numerals:
1. an outer gear; 2. a positioning column; 3. a threaded pipe; 4. mounting holes; 5. a bolt; 6. a friction block; 7. a threaded hole; 8. an inner gear; 9. a guide groove; 10. a flow channel; 11. mounting a plate; 12. an oil inlet pipe; 13. an oil outlet groove; 14. a sun gear.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The utility model provides an improved durable planetary gear as shown in fig. 1-4, which comprises an external gear 1, wherein a positioning column 2 is welded on the outer wall of the external gear 1, a threaded pipe 3 is welded on the top of the positioning column 2, a mounting hole 4 is formed in the threaded pipe 3, a bolt 5 is arranged in the mounting hole 4, a friction block 6 is arranged on the top of the threaded pipe 3, a threaded hole 7 is formed in the bottom of the friction block 6, an internal gear 8 is arranged in the external gear 1, a guide groove 9 is formed in the outer wall of the internal gear 8, a flow groove 10 is formed in one side of the guide groove 9, a mounting plate 11 is arranged on the top of the internal gear 8, an oil inlet pipe 12 is arranged on the top of the mounting plate 11, an oil outlet groove 13 is formed in the mounting plate 11, and a central gear 14 is arranged in the middle of the oil outlet groove 13.
Furthermore, in the above technical solution, the number of the positioning columns 2 is set to be a plurality of, a plurality of the positioning columns 2 are annularly arrayed on the top of the external gear 1, the longitudinal section of the positioning columns 2 is an isosceles trapezoid, the positioning columns 2 arranged in a trapezoid shape can have a higher stress point, and the external gear 1 can be prevented from breaking and separating from the external gear 1 due to the fact that the positioning columns 2 break in the friction process.
Further, in the above technical scheme, the friction block 6 is in threaded connection with the positioning column 2, the top of the friction block 6 is arc-shaped, the friction block 6 is made of a titanium alloy material, the friction block 6 is directly in contact with a connecting part, the friction block 6 arranged in the arc shape can reduce the contact surface between the external gear 1 and a part in the rotating process, the kinetic energy loss of the external gear 1 is reduced, the fluency of the external gear 1 in the rotating process is improved, meanwhile, the external gear 1 can be prevented from being directly in contact with other parts through the friction block 6, the loss degree of the external gear 1 is reduced, and the durability of the external gear 1 is improved.
Further, in the above technical solution, the number of the internal gear 8 is set to be a plurality, the plurality of internal gears 8 are annularly arrayed inside the external gear 1, the internal gear 8 is subjected to electroplating treatment, and the electroplated internal gear 8 can enable the internal gear 8 to have high wear resistance and corrosion resistance, thereby improving the durability of the internal gear 8.
Further, in the above technical scheme, the quantity of oil outlet groove 13 equals in the quantity of internal gear 8, oil outlet groove 13 is located directly over internal gear 8 and sun gear 14, the quantity of guide way 9 sets up to a plurality ofly, and is a plurality of guide way 9 circular array is listed in the outer wall of screw hole 7, can directly drip lubricating oil to the junction of internal gear 8 and sun gear 14 through oil outlet groove 13, improves lubricating property, prevents direct friction between internal gear 8 and the sun gear 14.
This practical theory of operation:
referring to the attached drawings 1-4 of the specification, before the planet gear is installed, firstly, a friction block 6 is installed on a positioning column 2 on the outer wall of an outer gear 1, a threaded hole 7 at the bottom of the friction block 6 is aligned with a threaded pipe 3 at the top of the positioning column 2 and then rotates, a through hole in the outer wall of the friction block 6 is aligned with an installation hole 4, then a bolt 5 is inserted into the installation hole 4 to perform secondary reinforcement on the friction block 6, then an inner gear 8 and a central gear 14 are respectively installed inside the outer gear 1, a mounting plate 11 is installed on the tops of the inner gear 8 and the central gear 14 to perform fixation, then an oil inlet pipe 12 at the top of the mounting plate 11 is connected with an oil delivery pipe, and finally, other parts are installed outside the outer gear 1, and the gear teeth of the planet gear are all subjected to electroplating treatment, so that the connection part of the planet gear has higher wear resistance and corrosion resistance, and the durability of the planet gear is improved, the planetary gear is prevented from being damaged in the using process;
referring to the attached drawings 1-4 of the specification, in the process of rotating the external gear 1, the external gear 1 is not contacted with other parts, the friction block 6 outside the external gear 1 is contacted with other parts, because the friction block 6 is made of titanium alloy material, the friction block 6 has higher wear resistance, meanwhile, because the contact area of the friction block 6 and gas parts is smaller, the kinetic energy loss of the external gear 1 can be reduced, when the friction block 6 is more worn, the friction block 6 can be directly replaced without directly replacing the planetary gear, meanwhile, the oil inlet pipe 12 guides the lubricating oil into the oil outlet groove 13, the oil outlet groove 13 drops the lubricating oil to the joint of the internal gear 8 and the central gear 14, thereby improving the lubricating effect of the contact surface of the central gear 14 and the internal gear 8, and simultaneously, the lubricating oil can also enter the guide groove 9, because the internal gear 8 rotates, lubricating oil in the guide groove 9 can be thrown out from the flow groove 10, so that the lubricating oil enters the joint of the external gear 1 and the internal gear 8, the planetary gear is comprehensively lubricated, and the phenomenon that the gears are staggered with each other due to abrasion or vibration in the use process of the planetary gear is prevented, so that the gear teeth on the outer wall of the gear are broken.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.
Claims (6)
1. An improved durable planetary gear comprising an external gear (1), characterized in that: the outer wall of the outer gear (1) is welded with a positioning column (2), the top of the positioning column (2) is welded with a threaded pipe (3), a mounting hole (4) is arranged in the threaded pipe (3), a bolt (5) is arranged in the mounting hole (4), the top of the threaded pipe (3) is provided with a friction block (6), the bottom of the friction block (6) is provided with a threaded hole (7), an inner gear (8) is arranged in the outer gear (1), a guide groove (9) is arranged on the outer wall of the inner gear (8), a flow groove (10) is formed in one side of the guide groove (9), an installation plate (11) is arranged at the top of the inner gear (8), mounting panel (11) top is provided with into oil pipe (12), mounting panel (11) inside has been seted up out oil groove (13), be provided with sun gear (14) in the middle of oil groove (13) play.
2. The improved durable planetary gear according to claim 1, wherein: the number of the positioning columns (2) is set to be a plurality, the positioning columns (2) are arrayed on the top of the outer gear (1) in an annular mode, and the longitudinal sections of the positioning columns (2) are isosceles trapezoids.
3. The improved durable planetary gear according to claim 1, wherein: the friction block (6) is in threaded connection with the positioning column (2), the top of the friction block (6) is arc-shaped, and the friction block (6) is made of a titanium alloy material.
4. The improved durable planetary gear according to claim 1, wherein: the number of the internal gears (8) is set to be a plurality, the internal gears (8) are annularly arrayed inside the external gear (1), and the internal gears (8) are subjected to electroplating treatment.
5. The improved durable planetary gear according to claim 1, wherein: the number of the oil outlet grooves (13) is equal to that of the internal gears (8), and the oil outlet grooves (13) are located right above the internal gears (8) and the central gear (14).
6. The improved durable planetary gear according to claim 1, wherein: the number of the guide grooves (9) is set to be a plurality, and the guide grooves (9) are annularly arrayed on the outer wall of the threaded hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220412891.1U CN216789134U (en) | 2022-02-28 | 2022-02-28 | Improved durable planetary gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220412891.1U CN216789134U (en) | 2022-02-28 | 2022-02-28 | Improved durable planetary gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216789134U true CN216789134U (en) | 2022-06-21 |
Family
ID=82000893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220412891.1U Expired - Fee Related CN216789134U (en) | 2022-02-28 | 2022-02-28 | Improved durable planetary gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216789134U (en) |
-
2022
- 2022-02-28 CN CN202220412891.1U patent/CN216789134U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |