CN201100372Y - Planet gear machine - Google Patents
Planet gear machine Download PDFInfo
- Publication number
- CN201100372Y CN201100372Y CNU2007201919536U CN200720191953U CN201100372Y CN 201100372 Y CN201100372 Y CN 201100372Y CN U2007201919536 U CNU2007201919536 U CN U2007201919536U CN 200720191953 U CN200720191953 U CN 200720191953U CN 201100372 Y CN201100372 Y CN 201100372Y
- Authority
- CN
- China
- Prior art keywords
- planetary
- rows
- gear
- support ring
- aiding support
- Prior art date
- 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 - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H2001/289—Toothed gearings for conveying rotary motion with gears having orbital motion comprising two or more coaxial and identical sets of orbital gears, e.g. for distributing torque between the coaxial sets
Abstract
A planetary gear mechanism comprises a planetary frame with a planetary wheel axle, an internal gear, a sun wheel and a plurality of planetary gears, wherein planetary gears are respectively mounted on the respective planetary wheel axle and is respectively meshed with the sun wheel and the internal gear for forming a first row planetary wheel set. The planetary gear mechanism is characterized in that an auxiliary planetary gear meshed with the sun wheel and the internal gear is further mounted on each planetary wheel axle, at least a second row planetary wheel set which is parallel to the first row planetary wheel set is formed, after the above structure is adopted, the planetary gears meshed with the sun wheel and the internal gear are simultaneously multiplied, thereby the mechanism has the advantages of small gear module, compact radial structure, large conveying torque, even gear force, high drive efficiency, stable operation, small vibration, lower noises and convenient processing, simultaneously, an auxiliary supporting ring sleeved on the planetary wheel axle is used for each lengthened planetary wheel axle to have flexible and rigid performances, after the planetary gear mechanism is used on a speed reducer, unexpected technical effect is achieved, which is worth spreading and applying.
Description
Technical field
The utility model relates to a kind of planetary gears.
Background technique
Planetary gears is made up of planet carrier, internal gear, sun gear and a plurality of planetary pinion, wherein be distributed with a plurality of planet wheel shafts on the planet carrier with one heart, each planetary pinion is installed on separately the planet wheel shaft, make each planetary pinion can with sun gear outer gearing mutually, again can with internal gear mutually in the engagement.Because planetary gears has advantages such as compact structure, stable drive, slewing range be wide, and is widely used on the multiple machinery.
In transmission process, in order to improve the output torque of above-mentioned planetary gears, generally can do some improvement to the material and the processing technology of planetary pinion, planet carrier, also can increase planetary number or modulus simultaneously.But such improvement can cause the bigger defective of radial dimension of planetary gears, and promptly the diameter of internal gear can increase.This is in the unrestricted equipment of radial dimension, and above-mentioned profile variation will not influence the normal use of planetary gears.But when it is applied in walking retarder in the engineering machinery, because the walking retarder is comparatively strict to the requirement of bulk, radial dimension especially, it is compact more good more to wish.Obviously, planetary gears is to satisfy above-mentioned technical requirements with increasing planetary number or increasing planetary modulus.
Summary of the invention
Technical problem underlying to be solved in the utility model is the present situation at prior art, provides a kind of radial dimension little, and can improve the planetary gears of output torque.
Second technical problem to be solved in the utility model is the present situation at prior art, provides a kind of radial dimension little, can improve output torque and make planet wheel shaft still can keep the planetary gears of transmission desired stiffness.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: this planetary gears comprises planet carrier, internal gear, sun gear and a plurality of planetary pinion, be distributed with a plurality of planet wheel shafts on the described planet carrier with one heart, each planetary pinion is installed in respectively on separately the planet wheel shaft, and each planetary pinion respectively with described sun gear, internal gear is meshed and forms the first rows of planetary wheels, it is characterized in that: on described each planet wheel shaft, also be equipped with and above-mentioned sun gear, the auxiliary planetary pinion that internal gear is meshed, and form the second rows of planetary wheels mutually arranged side by side at least with the first rows of planetary wheels.
As preferred version of the present utility model, can also include the aiding support ring, have the axis hole that is complementary with each planet wheel shaft on this aiding support ring, each axis hole is nested with on the planet wheel shaft of correspondence, and makes described aiding support ring be positioned at the outside of the first rows of planetary wheels.
In above-mentioned preferred version, when planetary gear set had two rows, this aiding support ring can be between the first rows of planetary wheels and the second rows of planetary wheels; Also can be positioned at the second rows of planetary wheels outside.Each planet wheel shaft has better rigidity in the former scheme when satisfying flexible the requirement like this, and each planet wheel shaft in latter's scheme then has better flexibility under the requirement of satisfying rigidity, to satisfy the needs of different transmissions.
Certainly, in above-mentioned preferred version, also planetary gear set can be arranged to three rows, and the aiding support ring can be between the second rows of planetary wheels and the 3rd rows of planetary wheels.Also the aiding support ring can be arranged to two, promptly form by the first aiding support ring and the second aiding support ring, the first aiding support ring is between the first rows of planetary wheels and the second rows of planetary wheels, and the second aiding support ring is between the second rows of planetary wheels and the 3rd rows of planetary wheels, littler to satisfy radial dimension, bigger and each planet wheel shaft of transmitting torque still can satisfy its occasion flexible and rigidity.
Compared with prior art, because planet wheel shaft of the present utility model is provided with many rows of planetary gear train, thereby increase exponentially with sun gear, internal gear planet gear meshed simultaneously, thereby have the following advantages: the modulus of (1) each gear is little, correspondingly make the radial dimension of internal gear little, thereby realize the purpose of fine module gear energy transmitting large torque; (2) improved engagement between each gear, can make each strength of gear even like this, can improve transmission efficiency significantly, had operating steadily again, shake the characteristics little, that noise is low; (3) make the coefficient of facewidth of each gear little, be convenient to the processing of each gear, also more can guarantee machining accuracy; (4) can realize the new structure that each the rows of planetary gear on the same planet carrier is meshed with same internal gear, sun gear, to satisfy the use needs under the different occasions.Moreover by means of the aiding support ring, cantilever characteristics that still can the guard rows spider gear shaft and have certain flexibility on the one hand still can keep its due rigidity after making the planet wheel shaft behind the lengthening on the other hand.When this many rows engagement arranged side by side, mutual noninterference, remedy mutually, harmonious new structure is tried out after on the speed reducer mutually, under the constant situation of internal gear radial dimension, power and the efficient aspect that improves speed reducer obtained beyond thought effect, can also prolong simultaneously the working life of speed reducer, thereby such planetary gear speed reducing mechanism, be worth in each machinery, applying.
Description of drawings
Fig. 1 is that the utility model first embodiment is applied in the structural representation on the speed reducer;
Fig. 2 is that A among Fig. 1 is to structural representation;
Fig. 3 is the structural representation of aiding support ring among Fig. 1;
Fig. 4 is the utility model second embodiment's a structural representation;
Fig. 5 is the utility model the 3rd embodiment's a structural representation;
Fig. 6 is the utility model the 4th embodiment's a structural representation.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Embodiment one, as shown in Figure 1 to Figure 3, this planetary gears is applied on the speed reducer, the fixed bearing 2 of this speed reducer is enclosed within on the rotatingshaft 1, planetary gears comprises planet carrier 3, internal gear 5, four planetary pinions 4, four auxiliary planetary pinions 6 and is installed in sun gear 8 on the rotatingshaft, wherein, planet carrier 3 is installed on the said fixing bearing 2 by internal spline 10, utilize the matching gap between the spline, make planet carrier 3 make trace with respect to fixed bearing 2 and float, promptly planet carrier 3 has float function with respect to fixed bearing 2.On planet carrier 3, be distributed with simultaneously four planet wheel shafts 7 with one heart; By roller bearing a planetary pinion 4 and an auxiliary planetary pinion 6 are installed on each planet wheel shaft 7, four planetary pinions have been formed the first rows of planetary gear train a, and four auxiliary planetary gear set become with the first rows of planetary gear train a mutually and the second rows of planetary gear train b of column distribution, and make the transmission that is meshed with sun gear 8, internal gear 5 respectively of each planetary pinion and each equipment gear.
In order to prevent that the rigidity behind each planet wheel shaft 7 lengthening from weakening to some extent, between the above-mentioned first rows of planetary gear train a and the second rows of planetary gear train b, also be provided with aiding support ring 9, on this aiding support ring, have four axis holes 91 that are complementary with above-mentioned corresponding four planet wheel shafts, each axis hole 91 is nested with on the planet wheel shaft 7 of correspondence, and the aiding support ring is sandwiched between the first rows of planetary wheels and the second rows of planetary wheels, each planet wheel shaft is played support, reinforing function preferably.
Embodiment two, and as shown in Figure 4, what they were different with above-mentioned first embodiment is that aiding support ring 9 is arranged on the outside of the second rows of planetary wheels, makes each planet wheel shaft of planetary gears have better flexibility when satisfying rigidity.
Embodiment three, as shown in Figure 5, it is provided with three rows of planetary gear trains with different being of above-mentioned first embodiment, and aiding support ring 9 is between the second row star gear train b and the 3rd rows of planetary gear train c, more compact in the hope of radial dimension, can satisfy the technical requirements under the different occasions.
Embodiment four, as shown in Figure 6, it is provided with three rows of planetary gear trains with different being of above-mentioned first embodiment, and the aiding support ring has two, the first aiding support ring 9a is between the first rows of planetary wheels a and the second rows of planetary wheels b, and the second aiding support ring 9b makes each planet wheel shaft of planetary gears have better rigidity between the second rows of planetary wheels b and the 3rd rows of planetary wheels c.
Claims (6)
1, a kind of planetary gears, it comprises planet carrier (3), internal gear (5), sun gear (8) and a plurality of planetary pinion (4), be distributed with a plurality of planet wheel shafts (7) on the described planet carrier with one heart, each planetary pinion (4) is installed in respectively on separately the planet wheel shaft, and each planetary pinion (4) respectively with described sun gear (8), internal gear (5) is meshed and forms the first rows of planetary wheels (a), it is characterized in that: on described each planet wheel shaft, also be equipped with and above-mentioned sun gear (8), the auxiliary planetary pinion (6) that internal gear (5) is meshed, and form the second rows of planetary wheels (b) mutually arranged side by side at least with the first rows of planetary wheels (a).
2, planetary gears according to claim 1, it is characterized in that: also comprise aiding support ring (9), on this aiding support ring, have the axis hole (91) that is complementary with each planet wheel shaft, each axis hole is nested with on the planet wheel shaft of correspondence, and makes described aiding support ring (9) be positioned at the outside of the first rows of planetary wheels (a).
3, planetary gears according to claim 2 is characterized in that: described planetary gear set has two rows, and described aiding support ring (9) is positioned between the first rows of planetary wheels (a) and the second rows of planetary wheels (b).
4, planetary gears according to claim 2 is characterized in that: described planetary gear set has two rows, and described aiding support ring (9) is positioned at the second rows of planetary wheels (b) outside.
5, planetary gears according to claim 2 is characterized in that: described planetary gear set has three rows, and described aiding support ring (9) is positioned between the second rows of planetary wheels (b) and the 3rd rows of planetary wheels (c).
6, planetary gears according to claim 2, it is characterized in that: described planetary gear set has three rows, and described aiding support ring is made up of the first aiding support ring (a) and the second aiding support ring (b), the described first aiding support ring (9a) is positioned between the first rows of planetary wheels (a) and the second rows of planetary wheels (b), and the second aiding support ring (9b) is positioned between the second rows of planetary wheels (b) and the 3rd rows of planetary wheels (c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201919536U CN201100372Y (en) | 2007-11-02 | 2007-11-02 | Planet gear machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201919536U CN201100372Y (en) | 2007-11-02 | 2007-11-02 | Planet gear machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201100372Y true CN201100372Y (en) | 2008-08-13 |
Family
ID=39936906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201919536U Expired - Fee Related CN201100372Y (en) | 2007-11-02 | 2007-11-02 | Planet gear machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201100372Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537222A (en) * | 2012-02-23 | 2012-07-04 | 三一重型装备有限公司 | Coal mining machine and planetary gear transmission mechanism of rocker of coal mining machine |
| CN103982612A (en) * | 2014-06-04 | 2014-08-13 | 苏州绿的谐波传动科技有限公司 | Screw drive planetary reducer |
-
2007
- 2007-11-02 CN CNU2007201919536U patent/CN201100372Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537222A (en) * | 2012-02-23 | 2012-07-04 | 三一重型装备有限公司 | Coal mining machine and planetary gear transmission mechanism of rocker of coal mining machine |
| CN103982612A (en) * | 2014-06-04 | 2014-08-13 | 苏州绿的谐波传动科技有限公司 | Screw drive planetary reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO YINGTEJIE HYDRAULIC PRESSURE TRANSMISSION C Free format text: FORMER OWNER: NINGBO OIL CONTROL HYDRAULIC CO., LTD. Effective date: 20090508 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090508 Address after: B District, Zhenhai District, Zhenhai Economic Development Zone, Zhenhai District, Zhejiang, Ningbo, China: 315221 Patentee after: Ningbo Yingte Hydraulics Transmission Co., Ltd. Address before: Jiaochuan streets Zhen Luo Zhenhai District of Zhejiang city in Ningbo Province Road No. 1258, zip code: 315200 Patentee before: Ningbo Ouyi Hydraulics Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080813 Termination date: 20151102 |
|
| EXPY | Termination of patent right or utility model |