CN101936368A - Planetary transmission - Google Patents
Planetary transmission Download PDFInfo
- Publication number
- CN101936368A CN101936368A CN 201010248862 CN201010248862A CN101936368A CN 101936368 A CN101936368 A CN 101936368A CN 201010248862 CN201010248862 CN 201010248862 CN 201010248862 A CN201010248862 A CN 201010248862A CN 101936368 A CN101936368 A CN 101936368A
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- Prior art keywords
- gear
- casing
- planetary
- small
- planet
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Abstract
The invention discloses a planetary transmission. In the invention, big gear rings (4) and small gear rings (12) are fixed on the inner wall of a box body (1), only can forwards slide and are connected together through a speed regulating pull rod (5); the speed regulating pull rod (5) passes through a box cover (6); one end of the box body (1) is provided with an input shaft (7), and big sun gears (10) and small sun gears (11) are coaxially arranged on the input shaft (7); the other end of the box body (1) is provided with an output shaft (14), and the output shaft (14) in the box body (1) is connected with a planetary carrier (13); at least three pairs of big planetary gears (8) and small planetary gears (9) are coaxially arranged on the planetary carrier (13); the big planetary gears (8) are engaged with the small sun gears (11) and the small gear rings (12); and the small planetary gears (9) are engaged with the big sun gears (10) and the big gear rings (4). The transmission obtains speed change through two groups of planetary gear trains and has the advantages of simple structure, small size, low cost and convenient mounting.
Description
Technical field
Step speed changer of the present invention is specifically related to a kind of planetary transmission.
Background technique
Development along with the electric motor car industry, the motor demand constantly increases, the drawback that electric motor car can not the conversion gear displays is also more and more, as: the electric motor car climbing is unable, burn out motor easily, can not embody speed when unloaded, based on this, many manufacturers have developed the box speed changer of many moneys, and box speed changer structure complexity, volume are big, cost is higher, installation is difficult.
Summary of the invention
The objective of the invention is to: a kind of planetary transmission is provided, and this speed changer structure is simple, and volume is small and exquisite, and is with low cost, easy for installation.
Technical solution of the present invention is: in the cabinet of being made up of casing and case lid bull gear is installed, little gear ring, input shaft, output shaft, mafor planet gear, small planetary gear, planet carrier, planet pin, large sun gear, the Sunny gear constitutes planetary transmission, on the inwall of casing, pass through the decorative pearl on top of an official cap, jackscrew is bull gear and little gear ring fixedly, at least three grooves distribute on the outer wall of bull gear and little gear ring, the decorative pearl on top of an official cap withstands on and makes in the groove greatly, little gear ring can only forward slide on cabinet wall, bull gear and little gear ring are linked together by the speed governing pull bar, the speed governing pull bar passes case lid, end at casing is installed input shaft, the large sun gear of the different teeth of coaxial installation and Sunny gear on the input shaft, the other end at casing passes through the Bearing Installation output shaft, connect planet carrier on the output shaft in the casing, pass through at least three pairs of mafor planet gears of the coaxial installation of planet pin and small planetary gear on the planet carrier, mafor planet gear engagement Sunny gear and little gear ring, small planetary gear engagement large sun gear and bull gear.
When the needs transmission, pulling speed governing pull bar makes one group of mafor planet gear of little gear ring interlock, mafor planet gear revolves round the sun on little gear ring, and one group of small planetary gear is done driven rotation, when mafor planet gear revolves round the sun on little gear ring, mafor planet gear drives planet carrier and rotates, and rotates thereby drive output shaft; Otherwise, push back the speed governing pull bar, make one group of small planetary gear of bull gear interlock, small planetary gear revolves round the sun on bull gear, and one group of mafor planet gear is done driven rotation, when small planetary gear revolves round the sun on bull gear, small planetary gear drives planet carrier and rotates, and rotates thereby drive output shaft; Because big or small planetary velocity ratio is different, output shaft just obtains speed change.
The input shaft of speed changer of the present invention and direct coaxial connection of motor obtain speed changes by two groups of planetary gear train, also can four-speed gear shift in parallel, and simple in structure, volume is small and exquisite, and is with low cost, easy for installation.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is that the A-A of Fig. 1 is to cut-away view
Among the figure: 1 casing, 2 jackscrews, 3 decorative pearls on top of an official cap, 4 bull gears, 5 speed governing pull bars, 6 case lids, 7 input shafts, 8 mafor planet gears, 9 small planetary gears, 10 large sun gears, 11 Sunny gears, 12 little gear rings, 13 planet carriers, 14 output shafts, 15 bearings, 16 planet pins.
Embodiment
As Fig. 1, shown in 2, bull gear 4 is installed in the cabinet of being made up of casing 1 and case lid 6, little gear ring 12, input shaft 7, output shaft 14, mafor planet gear 8, small planetary gear 9, planet carrier 13, planet pin 16, large sun gear 10, Sunny gear 11 constitutes planetary transmission, on the inwall of casing 1, pass through the decorative pearl on top of an official cap 3, jackscrew 2 is bull gear 4 and little gear ring 12 fixedly, at least three grooves distribute on the outer wall of bull gear 4 and little gear ring 12, the decorative pearl on top of an official cap 3 withstands on and makes in the groove greatly, little gear ring 4,12 can only forward slide on casing 1 inwall, bull gear 4 and little gear ring 12 are linked together by speed governing pull bar 5, speed governing pull bar 5 passes case lid 6, end at casing 1 is installed input shaft 7, the large sun gear 10 of the different teeth of coaxial installation and Sunny gear 11 on the input shaft 7, the other end at casing 1 is installed output shaft 14 by bearing 15, connect planet carrier 13 on the output shaft 14 in the casing 1, pass through planet pin 16 coaxial installation at least three pairs of mafor planet gears 8 and small planetary gears 9 on the planet carrier 13, mafor planet gear 8 engagement Sunny gear 11 and little gear rings 12, small planetary gear 9 engagement large sun gear 10 and bull gears 4.
When the needs transmission, pulling speed governing pull bar 5, make one group of mafor planet gear 8 of little gear ring 12 interlocks, mafor planet gear 8 revolves round the sun on little gear ring 12, one group of small planetary gear 9 is done driven rotation, when mafor planet gear 8 revolved round the sun on little gear ring 12, mafor planet gear 8 drove planet carrier 13 and rotates, and rotated thereby drive output shaft 14; Otherwise, push back speed governing pull bar 5, make one group of small planetary gear 9 of bull gear 4 interlocks, small planetary gear 9 revolves round the sun on bull gear 4, one group of mafor planet gear 8 is done driven rotation, when small planetary gear 9 revolved round the sun on bull gear 4, small planetary gear 9 drove planet carrier 13 and rotates, and rotated thereby drive output shaft 14; Because the velocity ratio of big small planetary gear 8,9 is different, output shaft 14 just obtains speed change.
Claims (1)
1. planetary transmission, it is characterized in that: bull gear (4) is installed in the cabinet of being made up of casing (1) and case lid (6), little gear ring (12), input shaft (7), output shaft (14), mafor planet gear (8), small planetary gear (9), planet carrier (13), planet pin (16), large sun gear (10), Sunny gear (11) constitutes planetary transmission, on the inwall of casing (1), pass through the decorative pearl on top of an official cap (3), jackscrew (2) is bull gear (4) and little gear ring (12) fixedly, at least three grooves distribute on the outer wall of bull gear (4) and little gear ring (12), the decorative pearl on top of an official cap (3) withstands on and makes in the groove greatly, little gear ring (4,12) can only forward on casing (1) inwall, slide, bull gear (4) and little gear ring (12) are linked together by speed governing pull bar (5), speed governing pull bar (5) passes case lid (6), end at casing (1) is installed input shaft (7), input shaft (7) is gone up the large sun gear (10) and the Sunny gear (11) of the different teeth of coaxial installation, the other end at casing (1) is installed output shaft (14) by bearing (15), output shaft (14) in the casing (1) is gone up and is connected planet carrier (13), planet carrier (13) is gone up by three pairs of mafor planet gears of the coaxial installation of planet pin (16) (8) and small planetary gear (9) at least, mafor planet gear (8) engagement Sunny gear (11) and little gear ring (12), small planetary gear (9) engagement large sun gear (10) and bull gear (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102488628A CN101936368B (en) | 2010-08-06 | 2010-08-06 | Planetary transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102488628A CN101936368B (en) | 2010-08-06 | 2010-08-06 | Planetary transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101936368A true CN101936368A (en) | 2011-01-05 |
| CN101936368B CN101936368B (en) | 2012-01-25 |
Family
ID=43389863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102488628A Expired - Fee Related CN101936368B (en) | 2010-08-06 | 2010-08-06 | Planetary transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101936368B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090148A (en) * | 2016-08-05 | 2016-11-09 | 李晨光 | A kind of planet wheel robot joint speed reducer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2221124Y (en) * | 1995-03-10 | 1996-02-28 | 王宪平 | Tandem planetary gear differential sped reducer |
| US6638193B2 (en) * | 2000-12-28 | 2003-10-28 | Unisia Jecs Corporation | Transmission system for automotive vehicle |
| US20030232692A1 (en) * | 2002-06-18 | 2003-12-18 | Yung-Tung Chen | Transmission and variable speed system |
| CN1512089A (en) * | 2002-12-14 | 2004-07-14 | 腓特烈斯港齿轮工厂股份公司 | Planet gear speed changer |
| CN2818917Y (en) * | 2005-02-07 | 2006-09-20 | 上海彭浦巨力工程机械有限公司 | Planetary gearbox |
| US20070105687A1 (en) * | 2005-10-27 | 2007-05-10 | Lovell Engineering, Llc | Transfer case with low gear ratio |
-
2010
- 2010-08-06 CN CN2010102488628A patent/CN101936368B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2221124Y (en) * | 1995-03-10 | 1996-02-28 | 王宪平 | Tandem planetary gear differential sped reducer |
| US6638193B2 (en) * | 2000-12-28 | 2003-10-28 | Unisia Jecs Corporation | Transmission system for automotive vehicle |
| US20030232692A1 (en) * | 2002-06-18 | 2003-12-18 | Yung-Tung Chen | Transmission and variable speed system |
| CN1512089A (en) * | 2002-12-14 | 2004-07-14 | 腓特烈斯港齿轮工厂股份公司 | Planet gear speed changer |
| CN2818917Y (en) * | 2005-02-07 | 2006-09-20 | 上海彭浦巨力工程机械有限公司 | Planetary gearbox |
| US20070105687A1 (en) * | 2005-10-27 | 2007-05-10 | Lovell Engineering, Llc | Transfer case with low gear ratio |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090148A (en) * | 2016-08-05 | 2016-11-09 | 李晨光 | A kind of planet wheel robot joint speed reducer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101936368B (en) | 2012-01-25 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120125 Termination date: 20130806 |