CN203571001U - Planetary gear installation structure, planetary gear bank and thrust washer - Google Patents
Planetary gear installation structure, planetary gear bank and thrust washer Download PDFInfo
- Publication number
- CN203571001U CN203571001U CN201320717610.4U CN201320717610U CN203571001U CN 203571001 U CN203571001 U CN 203571001U CN 201320717610 U CN201320717610 U CN 201320717610U CN 203571001 U CN203571001 U CN 203571001U
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- CN
- China
- Prior art keywords
- planetary pinion
- thrust washer
- planet carrier
- planetary
- planetary gear
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model provides a planetary gear installation structure which comprises a planetary gear, a planetary carrier, a planetary gear shaft fixed to the planetary carrier and a needle bearing. The planetary gear is installed on the planetary gear shaft through the needle bearing. The planetary gear installation structure further comprises a thrust washer arranged between the planetary carrier and the planetary gear and provided with an anti-rotation protrusion. The planetary carrier is provided with an embedding part, and the anti-rotation protrusion is embedded into the embedding part. The utility model further provides a planetary gear bank and the thrust washer. The thrust washer has the advantages of being low in machining cost and capable of being positioned in the radial direction.
Description
Technical field
The utility model relates to automobile technical field, relates in particular to a kind of planetary pinion mounting structure, planetary gear set and thrust washer.
Background technique
Planetary gear set generally includes: can, around central shaft revolution with around the planetary pinion of self axle rotation, contact sun gear (sun gear), gear ring and the planetary planet carrier of maintenance of each central component rotating around central shaft.Because planetary gear set transmission is than large, compact structure, in various gearboxes, be widely used.Between planetary pinion and planet carrier, be provided with pad.Yet pad is being radially there is no position structure, like this, in the rotation of planet high-speed gear, thrust washer itself also can be followed planetary pinion rotation with certain speed.Due to planetary gear set compact structure, for improving tooth contact area, planetary pinion and sun wheel can be designed to helical gear; And between planetary pinion and planet pin, also only have the space that needle bearing is installed.So planetary axial force is larger, need to overcome axial force by pad, cause pad easily to occur heavy wear, cause transmission system to lose efficacy.
Model utility content
In view of this, the utility model provide a kind of processing cost lower, can be at the thrust washer of radial location, and the planetary pinion mounting structure and the planetary gear set that adopt this thrust washer.
The utility model provides a kind of planetary pinion mounting structure, comprise: planetary pinion, planet carrier, the planet pin that is fixed on described planet carrier and needle bearing, described planetary pinion is arranged on described planet pin by described needle bearing, described planetary pinion mounting structure also comprises the thrust washer being arranged between described planet carrier and described planetary pinion, described thrust washer is provided with anti-rotation projection, described planet carrier is provided with scarfing unit, and described anti-rotation projection embeds described scarfing unit.
Preferably, described planet carrier comprises the first fitting seat and the second fitting seat, described planetary pinion is installed between described the first fitting seat and described the second fitting seat, described the first fitting seat and the second fitting seat are provided with scarfing unit, between described the first fitting seat and described planetary pinion, and be provided with described thrust washer between described the second fitting seat and described planetary pinion.
Preferably, described anti-rotation projection is arranged at the outer periphery of described thrust washer.
Preferably, described planet pin and the riveted joint of described planet stent.
Preferably, described scarfing unit is the mounting hole extending vertically.
Preferably, described planetary pinion is helical gear.
The utility model also provides a kind of planetary gear set, comprise: sun gear, external toothing, and above-mentioned planetary pinion mounting structure, described planetary pinion and described sun gear and the engagement of described external toothing, described planetary pinion is a plurality of and is evenly arranged in a circumferential direction.
Preferably, described planetary pinion, sun gear and external toothing are helical gear.
The utility model also provides a kind of thrust washer, is arranged between planetary pinion and planet carrier, it is characterized in that, thrust washer is provided with anti-rotation projection described in described thrust, described anti-rotation projection and described planet carrier interlocking.
Preferably, described anti-rotation projection is arranged at the outer periphery of described thrust washer.
Planetary pinion mounting structure of the present utility model, by increase anti-rotation projection on thrust washer, makes thrust washer and planet carrier interlocking.Like this, when planet high-speed gear rotates, thrust washer can not rotate with respect to planet carrier.So, reduce during fabrication the processing request to planet carrier, only needed the plane contacting between thrust washer and planetary pinion to guarantee good sliding wear performance.With respect to planet carrier is increased, obtain high degree of finish and planeness and guarantee the sliding wear performance between planet carrier and planet thrust bearing, the plane of planetary pinion and thrust washer is easier to processing, is easy to improve the sliding wear performance between the two, thereby greatly reduces manufacture cost.
Accompanying drawing explanation
Fig. 1 is the sectional view of the planetary pinion mounting structure of the utility model mode of execution.
Fig. 2 is the stereogram of the thrust washer of the utility model mode of execution.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Refer to Fig. 1 and Fig. 2, the planetary pinion mounting structure of the utility model mode of execution, comprising: planetary pinion 11, planet carrier 12, planet pin 13, needle bearing 14, be arranged at the thrust washer 15 between described planet carrier 12 and described planetary pinion 11.
Needle bearing 14 is socketed on described planet pin 13, is arranged in the central shaft hole of described planetary pinion 11.Described planetary pinion 11 is arranged on described planet pin 13 by described needle bearing 14.The installing space that needle bearing 14 takies is less, makes structure more compact.
Refer to Fig. 2, the thrust washer 15 of embodiment of the present invention is arranged between described planet carrier 12 and described planetary pinion 11.Described thrust washer 15 is provided with anti-rotation projection 151.Described planet carrier 12 is provided with scarfing unit 121, and described anti-rotation projection 151 embeds described scarfing unit 121.
Planetary pinion mounting structure of the present utility model, by increase anti-rotation projection 151 on thrust washer 15, makes thrust washer 15 and planet carrier 12 interlockings.Like this, when planetary pinion 11 High Rotation Speed, thrust washer 15 can not rotate with respect to planet carrier 12.So, reduce during fabrication the processing request to planet carrier 12, only needed the plane of contact between thrust washer 15 and planetary pinion 11 to guarantee good sliding wear performance.With respect to planet carrier 12 is increased, obtain high degree of finish and planeness and guarantee the sliding wear performance between planet carrier 12 and planet thrust bearing, the plane of planetary pinion 11 and thrust washer 15 is easier to processing, be easy to improve the sliding wear performance between the two, thereby greatly reduce manufacture cost.
In planetary pinion mounting structure of the present utility model, planet carrier 12 can support for unilateral component the structure of planetary pinion 11, can be also the structure of bilateral support planetary gears 11.
Refer to Fig. 1, in one embodiment, planet carrier 12 adopts the structure of bilateral support planetary gears 11.Concrete, described planet carrier 12 comprises the first fitting seat 125 and the second fitting seat 126.Described planetary pinion 11 is installed between described the first fitting seat 125 and described the second fitting seat 126.Described the first fitting seat 125 and the second fitting seat 126 are provided with scarfing unit 121.Between described the first fitting seat 125 and described planetary pinion 11, and be provided with described thrust washer 15 between described the second fitting seat 126 and described planetary pinion 11.
In one embodiment, the anti-rotation projection 151 of described thrust washer 15 is arranged at the outer periphery of described thrust washer 15.Described thrust washer 15 can be copper sheet or steel disc.Described anti-rotation projection 151 can adopt the mode of punching press to form.
At a mode of execution, the scarfing unit 121 of described planet carrier 12 is the mounting hole extending vertically.Described mounting hole can run through the through hole of planet carrier 12, can be also blind hole.
The planetary gear set of the utility model mode of execution, comprising: sun gear, external toothing, and above-mentioned planetary pinion mounting structure.Described planetary pinion and described sun gear and the engagement of described external toothing, described planetary pinion is a plurality of and is evenly arranged in a circumferential direction.Described sun gear can be connected to the power intake of motor, and described gear ring can be connected to motor or differential gear, and planet carrier is fixedly attached to engine housing.
In one embodiment, described planetary pinion 11, sun gear and external toothing are helical gear, can improve tooth contact area, make structure more compact.
Planetary pinion mounting structure of the present utility model, by increase anti-rotation projection 151 on thrust washer 15, makes thrust washer 15 and planet carrier 12 interlockings.Like this, when planetary pinion 11 High Rotation Speed, thrust washer 15 can not rotate with respect to planet carrier 12.So, lower during fabrication the processing request to planet carrier 12, greatly reduced manufacture cost.
Above-described is only a mode of execution of the present utility model.For the person of ordinary skill of the art, not departing under the prerequisite of the utility model creation design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (10)
1. a planetary pinion mounting structure, comprise: planetary pinion, planet carrier, the planet pin that is fixed on described planet carrier and needle bearing, described planetary pinion is arranged on described planet pin by described needle bearing, it is characterized in that, described planetary pinion mounting structure also comprises the thrust washer being arranged between described planet carrier and described planetary pinion, described thrust washer is provided with anti-rotation projection, and described planet carrier is provided with scarfing unit, and described anti-rotation projection embeds described scarfing unit.
2. planetary pinion mounting structure according to claim 1, it is characterized in that: described planet carrier comprises the first fitting seat and the second fitting seat, described planetary pinion is installed between described the first fitting seat and described the second fitting seat, described the first fitting seat and the second fitting seat are provided with scarfing unit, between described the first fitting seat and described planetary pinion, and be provided with described thrust washer between described the second fitting seat and described planetary pinion.
3. planetary pinion mounting structure according to claim 1, is characterized in that: described anti-rotation projection is arranged at the outer periphery of described thrust washer.
4. planetary pinion mounting structure according to claim 1, is characterized in that: described planet pin and the riveted joint of described planet stent.
5. planetary pinion mounting structure according to claim 1, is characterized in that: the mounting hole of described scarfing unit for extending vertically.
6. planetary pinion mounting structure according to claim 1, is characterized in that: described planetary pinion is helical gear.
7. a planetary gear set, comprise: sun gear, external toothing, and the planetary pinion mounting structure described in claim 1 to 6 any one, described planetary pinion and described sun gear and the engagement of described external toothing, described planetary pinion is a plurality of and is evenly arranged in a circumferential direction.
8. planetary gear set according to claim 7, is characterized in that: described planetary pinion, sun gear and external toothing are helical gear.
9. a thrust washer, is arranged between planetary pinion and planet carrier, it is characterized in that, described thrust washer is provided with anti-rotation projection, described anti-rotation projection and described planet carrier interlocking.
10. thrust washer according to claim 9, is characterized in that, described anti-rotation projection is arranged at the outer periphery of described thrust washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717610.4U CN203571001U (en) | 2013-11-14 | 2013-11-14 | Planetary gear installation structure, planetary gear bank and thrust washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717610.4U CN203571001U (en) | 2013-11-14 | 2013-11-14 | Planetary gear installation structure, planetary gear bank and thrust washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203571001U true CN203571001U (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320717610.4U Expired - Lifetime CN203571001U (en) | 2013-11-14 | 2013-11-14 | Planetary gear installation structure, planetary gear bank and thrust washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203571001U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033500A (en) * | 2014-06-13 | 2014-09-10 | 浙江联宜电机股份有限公司 | Shaft and needle bearing assembling structure and pad thereof |
| CN105952869A (en) * | 2015-03-09 | 2016-09-21 | 纳博特斯克有限公司 | Speed reducer and gasket |
| CN106090138A (en) * | 2016-08-18 | 2016-11-09 | 广东富华重工制造有限公司 | A kind of hub reduction gear |
| US10781911B2 (en) | 2018-09-13 | 2020-09-22 | Cnh Industrial America Llc | Planetary gear assembly |
| CN112571054A (en) * | 2020-12-29 | 2021-03-30 | 盛瑞传动股份有限公司 | Efficient assembling process and assembling equipment for planet row |
-
2013
- 2013-11-14 CN CN201320717610.4U patent/CN203571001U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033500A (en) * | 2014-06-13 | 2014-09-10 | 浙江联宜电机股份有限公司 | Shaft and needle bearing assembling structure and pad thereof |
| CN105952869A (en) * | 2015-03-09 | 2016-09-21 | 纳博特斯克有限公司 | Speed reducer and gasket |
| CN105952869B (en) * | 2015-03-09 | 2020-10-27 | 纳博特斯克有限公司 | Speed reducer and gasket |
| CN106090138A (en) * | 2016-08-18 | 2016-11-09 | 广东富华重工制造有限公司 | A kind of hub reduction gear |
| US10781911B2 (en) | 2018-09-13 | 2020-09-22 | Cnh Industrial America Llc | Planetary gear assembly |
| CN112571054A (en) * | 2020-12-29 | 2021-03-30 | 盛瑞传动股份有限公司 | Efficient assembling process and assembling equipment for planet row |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |