CN104633023A - Dual planetary gear mechanism speed reducer - Google Patents
Dual planetary gear mechanism speed reducer Download PDFInfo
- Publication number
- CN104633023A CN104633023A CN201410848996.1A CN201410848996A CN104633023A CN 104633023 A CN104633023 A CN 104633023A CN 201410848996 A CN201410848996 A CN 201410848996A CN 104633023 A CN104633023 A CN 104633023A
- Authority
- CN
- China
- Prior art keywords
- planetary gear
- group
- planetary gears
- planetary
- gear mechanism
- 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.)
- Pending
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/46—Gearings having only two central gears, connected by orbital gears
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears
Abstract
The invention provides a dual planetary gear mechanism speed reducer, and belongs to the technical field of transmissions. The dual planetary gear mechanism speed reducer mainly solves the problem that the transmission ratio of a driving piece to a driven piece is large. The dual planetary gear mechanism speed reducer comprises a first planetary gear mechanism and a second planetary gear mechanism. The dual planetary gear mechanism speed reducer is characterized in that sun gears of the two planetary gear mechanisms are coaxially and fixedly connected, gear rings of the two planetary gear mechanisms are fixedly connected, the sun gears of the two planetary gear mechanisms are used as driving pieces, a planetary gear stand of one planetary gear mechanism is used as a fixed piece, and a planetary gear stand of the other planetary gear mechanism is used as a driven piece. According to the dual planetary gear mechanism speed reducer, the transmission ratio of the driving piece to the driven piece is large in range, the size is small, the gear transmission efficiency is high, the service life is long, and the structure is simple.
Description
Technical field
The invention belongs to transmission technology field, be specifically related to a kind of dual planetary gear mechanism retarder.
Background technique
At present, the retarder that reduction speed ratio is large has planet-cycloid reducer, RV retarder, harmonic speed reducer, and planet-cycloid reducer assembling is complicated, and identical gear ratio volume is large.RV retarder also more complicated.The flexbile gear restricted lifetime of harmonic speed reducer, not shock-resistant.
Summary of the invention
Problem to be solved by this invention is the large gear ratio that just can realize driving link and driven member with two groups of planetary gears.
The present invention solves the problems of the technologies described above the technological scheme taked to be:
A kind of dual planetary gear mechanism retarder, comprises first group of planetary gears, second group of planetary gears;
Be characterized in: the sun gear of described two groups of planetary gears is coaxially fixedly connected with; Described two groups of planetary gears gear rings are fixedly connected with; When the planetary gear carrier of in two groups of planetary gears group is as fixed block, then planetary gear carrier of another group planetary gears corresponding is then as driven member, and two groups of sun gears are coaxial and as driving link.
The present invention compared with prior art, has following beneficial effect:
The present invention adopts two groups of planetary gears systems, can realize wide gear ratio, and gear ratio is large and volume is little, gear-driven efficiency is high, the life-span is long, structure is simple.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Wherein: 1-sun wheel shaft; The sun gear of the 2-the first group planetary gears; The gear ring of the 3-the first group planetary gears; The planetary pinion of the 4-the first group planetary gears; The planetary gear carrier of the 5-the first group planetary gears; The sun gear of the 7-the second group planetary gears; The planetary gear carrier of the 8-the second group planetary gears; The planetary pinion of the 9-the second group planetary gears; The gear ring of the 10-the second group planetary gears; 11-the first group planetary gears; 12-the second group planetary gears.
Embodiment
A kind of dual planetary gear mechanism retarder, comprises first group of planetary gears 11 and second group of planetary gears 12;
The sun gear 2 of described first group of planetary gears and the sun gear 7 of second group of planetary gears are all fixedly connected with sun wheel shaft 1; The gear ring 3 of described first group of planetary gears is fixedly connected with the gear ring 10 of second group of planetary gears;
Sun wheel shaft 1 is as driving link;
When the planetary gear carrier 5 in first group of planetary gears is motionless as fixed block, then the planetary gear carrier 8 of corresponding second group of planetary gears is as driven member;
When the planetary gear carrier 8 in second group of planetary gears is motionless as fixed block, then the planetary gear carrier 5 of corresponding first group of planetary gears is as driven member;
Working principle:
When the planetary gear carrier 5 of first group of planetary gears is as fixed block, the planetary gear carrier 8 of second group of planetary gears is as driven member, when two groups of sun gears rotate as driving link postive direction, because the planetary gear carrier 5 of first group of planetary gears maintains static, so the sun gear 2 of first group of planetary gears drives the gear ring 3 of first group of planetary gears and gear ring 10 counter-rotation of second group of planetary gears by the planetary pinion 4 of first group of planetary gears.At this moment the sun gear postive direction rotating speed of two groups of planetary gears is identical, rotating speed is identical in the other direction for the gear ring of two groups of planetary gears, because first group of planetary gears gear ratio is different from the gear ratio of second group of planetary gears, so need the speed difference being compensated two groups of planetary pinion rotations that gear ratio difference is brought by the revolution of second group of planetary gears planetary pinion 9, the planetary gear carrier 8 of such second group of planetary gears just achieves the speed change of driving link sun wheel shaft 1 and the planetary gear carrier 8 of driven member second group of planetary gears along with the revolution of second group of planetary gears planetary pinion 9.According to the combination that two groups of planetary gears gear ratio vary in size, second group of planetary gears planetary gear carrier 8 can postive direction rotate or counter-rotation.The gear ratio changing two groups of planetary gears can obtain the driving link gear ratio different from driven member wide range.
If when second group of planetary gears planet stent 8 is as fixed block, then first group of planetary gears planet stent 5 realizes speed change as driven member and driving link sun wheel shaft 1.
Claims (1)
1. a dual planetary gear mechanism retarder, comprise first group of planetary gears (11) and second group of planetary gears (12), it is characterized in that: the sun gear (2) of described first group of planetary gears and the sun gear (7) of second group of planetary gears are all fixedly connected with sun wheel shaft (1), the gear ring (3) of described first group of planetary gears is fixedly connected with the gear ring (10) of second group of planetary gears, in the planetary gear carrier of two groups of planetary gears, when the planetary gear carrier (5) in first group of planetary gears is as fixed block, then the planetary gear carrier (8) of corresponding second group of planetary gears is as driven member, when the planetary gear carrier (8) in second group of planetary gears is as fixed block, then the planetary gear carrier (5) of corresponding first group of planetary gears is as driven member, sun wheel shaft (1) is as driving link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410848996.1A CN104633023A (en) | 2014-12-31 | 2014-12-31 | Dual planetary gear mechanism speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410848996.1A CN104633023A (en) | 2014-12-31 | 2014-12-31 | Dual planetary gear mechanism speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104633023A true CN104633023A (en) | 2015-05-20 |
Family
ID=53212109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410848996.1A Pending CN104633023A (en) | 2014-12-31 | 2014-12-31 | Dual planetary gear mechanism speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104633023A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134892A (en) * | 2015-06-17 | 2015-12-09 | 杨晋杰 | Asymmetric gear type self-adaptation speed changer |
| CN105526331A (en) * | 2016-01-13 | 2016-04-27 | 山东科技大学 | Slowing down device provided with double planetary gear trains and used for high-power scraper conveyer |
| CN106438907A (en) * | 2016-12-17 | 2017-02-22 | 张建平 | Compact shelving multifunctional planetary gear transmission mechanism |
| CN107131264A (en) * | 2017-06-21 | 2017-09-05 | 北京理工大学 | A kind of epicyclic transmission mechanism shifted gears based on belt flute profile brake and method |
| CN109555834A (en) * | 2018-12-12 | 2019-04-02 | 重庆久和豪贝机械有限公司 | A kind of novel sun gear |
| CN110715030A (en) * | 2019-09-20 | 2020-01-21 | 华中科技大学鄂州工业技术研究院 | High-magnification high-precision planetary reducer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85203977U (en) * | 1985-09-17 | 1986-07-16 | 唐志明 | Winding engine by planetary differential shifting for mine |
| CN2854209Y (en) * | 2005-12-02 | 2007-01-03 | 山东省德州生建机械厂 | Double-planet reducing machine of building construction lifter |
| CN101234733A (en) * | 2008-03-02 | 2008-08-06 | 唐志明 | Double-speed shunting winch composed of planet speed change mechanism |
| CN101323243A (en) * | 2008-07-24 | 2008-12-17 | 上海交通大学 | Hybrid power vehicle double electric machine double row planetary gear single clutch drive apparatus |
-
2014
- 2014-12-31 CN CN201410848996.1A patent/CN104633023A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85203977U (en) * | 1985-09-17 | 1986-07-16 | 唐志明 | Winding engine by planetary differential shifting for mine |
| CN2854209Y (en) * | 2005-12-02 | 2007-01-03 | 山东省德州生建机械厂 | Double-planet reducing machine of building construction lifter |
| CN101234733A (en) * | 2008-03-02 | 2008-08-06 | 唐志明 | Double-speed shunting winch composed of planet speed change mechanism |
| CN101323243A (en) * | 2008-07-24 | 2008-12-17 | 上海交通大学 | Hybrid power vehicle double electric machine double row planetary gear single clutch drive apparatus |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134892A (en) * | 2015-06-17 | 2015-12-09 | 杨晋杰 | Asymmetric gear type self-adaptation speed changer |
| CN105134892B (en) * | 2015-06-17 | 2017-11-14 | 山西能源学院 | Unsymmetric gear formula adaptive transmission |
| CN105526331A (en) * | 2016-01-13 | 2016-04-27 | 山东科技大学 | Slowing down device provided with double planetary gear trains and used for high-power scraper conveyer |
| CN106438907A (en) * | 2016-12-17 | 2017-02-22 | 张建平 | Compact shelving multifunctional planetary gear transmission mechanism |
| CN107131264A (en) * | 2017-06-21 | 2017-09-05 | 北京理工大学 | A kind of epicyclic transmission mechanism shifted gears based on belt flute profile brake and method |
| CN107131264B (en) * | 2017-06-21 | 2019-05-21 | 北京理工大学 | A kind of epicyclic transmission mechanism and method based on the shift of belt flute profile brake |
| CN109555834A (en) * | 2018-12-12 | 2019-04-02 | 重庆久和豪贝机械有限公司 | A kind of novel sun gear |
| CN110715030A (en) * | 2019-09-20 | 2020-01-21 | 华中科技大学鄂州工业技术研究院 | High-magnification high-precision planetary reducer |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150520 |