CN103527728A - Three-gear transmission with double planet systems - Google Patents
Three-gear transmission with double planet systems Download PDFInfo
- Publication number
- CN103527728A CN103527728A CN201310499771.5A CN201310499771A CN103527728A CN 103527728 A CN103527728 A CN 103527728A CN 201310499771 A CN201310499771 A CN 201310499771A CN 103527728 A CN103527728 A CN 103527728A
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- China
- Prior art keywords
- planetary gear
- train
- clutch
- gear train
- transmission
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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.)
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Classifications
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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
- 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
- F16H3/48—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears
- F16H3/52—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur 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 discloses a three-gear transmission with double planet systems. The three-gear transmission with the double planet systems comprises a primary planetary gear train and a secondary planetary gear train which are connected in series. The primary planetary gear train and the secondary planetary gear train are controlled by a control system to conduct integrated rigid transmission output, the primary planetary gear train or the secondary planetary gear train is controlled by the control system to independently serve as the planetary gear train and conduct output and the primary planetary gear train and the secondary planetary gear train are controlled by the control system to both serve as the independent planetary gear trains and conduct series-connection output. By the adoption of the three-gear transmission with the double planet systems, series-connection output of the double planet systems or output of one planet system or transmission output of the double planet systems and a wide transmission ratio variation range are achieved, and the good adaptive capacity to a movement environment is achieved. The three-gear transmission with the double planet systems has the advantages of being simple in structure, high in transmission efficiency, compact in structure, small in size, light in weight, large in bearing capacity, wide in transmitted power range and transmission range, low in operation noise, high in efficiency, long in service life and the like. After the three-gear transmission with the double planet systems is installed, small space is occupied. The three-gear transmission with the double planet systems with the structure is better suitable for a small-sized motor vehicle.
Description
Technical field
The present invention relates to a kind of automotive component, particularly a kind of double-planet system three-speed gearbox.
Background technique
Motor Vehicle is divided into the vehicle that electric motor car (two-wheeled, three-wheel and electric vehicle) and the motor of take are power, and speed changer is the necessaries of Motor Vehicle, can adjust outputting power according to running resistance and running speed, and it is best that consumption of energy reaches.In prior art, in order to coordinate the output of power and rotating speed, the many mark structures of employing that speed changer is more, by clutch, synchronizer and gear engagement structure, form the switching engagement of multiple sets of teeth wheel, to guarantee different rotating speeds and moment of torsion output.
Because the speed changer of prior art is main mainly with gear engagement, by shift fork, drive synchronizer to switch; Gear-box integral arrangement is complicated, and volume is larger; Particularly, for speed changer structure more than third gear, structure display obtains particularly in disorder complexity, and transmission efficiency is lower, and energy consumes more, is unfavorable for energy-conserving and environment-protective, is not more suitable for the application of equipment of small motor vehicle.
In prior art, for addressing the above problem, also occurred the structure that some utilize planetary gear train formation speed changer, but due to the problem of arranging and controlling, component being more, still there are the problems referred to above in complex structure.
Therefore, need a kind of speed changer, have simple structure, and transmission efficiency is higher, volume is little, after making to install, takies less space, is applicable to mini motor vehicle, has larger gear range, has good movement environment adaptive capacity.
Summary of the invention
In view of this, the invention provides a kind of double-planet system three-speed gearbox, there is simple structure, and transmission efficiency is higher, volume is little, after making to install, takies less space, be applicable to mini motor vehicle, there is larger gear range, there is good movement environment adaptive capacity.
The invention discloses a kind of double-planet system three-speed gearbox, comprise one-level planetary gear train, secondary planet train and control system, described one-level planetary gear train and the series connection of secondary planet train;
Described control system makes one-level planetary gear train and secondary planet train integral rigidity transmission output, control one-level planetary gear train or secondary planet train as planetary gear train, export and control separately one-level planetary gear train and secondary planet train all as planetary gear train series connection output for controlling.
Further, the sun gear I of described one-level planetary gear train is power intake, and the planet carrier I of one-level planetary gear train coordinates with the sun gear II transmission of secondary planet train, and the planet carrier II of secondary planet train is for outputting power;
Further, described control system comprises clutch A, clutch B and clutch C, described clutch C can fixing and locking secondary planet train ring gear II, clutch A, ring gear I and clutch B are in transmission connection, clutch A can lock and coordinate with the transmission of sun gear I, and clutch B can lock and coordinate with the transmission of ring gear II;
Further, described clutch A is separated with sun gear, clutch B locks ring gear II and clutch C locking ring gear II, and the ring gear I of one-level planetary gear train is locked, and one-level planetary gear train and secondary planet train are respectively as planetary gear train series connection output;
Or described clutch A locks sun gear I, clutch B is separated with ring gear II, clutch C locking ring gear II, one-level planetary gear train integral rigidity transmission, secondary planet train is exported as planetary gear train;
Or described clutch A locking sun gear I, clutch B locking ring gear II and clutch C are separated with ring gear II, one-level planetary gear train and secondary planet train integral body are exported as positive drive.
Beneficial effect of the present invention: double-planet system three-speed gearbox of the present invention, adopt double planetary systems structure, and utilize control system simply to control, the series connection that realizes double-planet system is exported, a planetary system is exported or double-planet positive drive output, reach larger velocity ratio excursion, there is good movement environment adaptive capacity; Speed changer structure is simple, and transmission efficiency is higher, there is compact structure, volume is little, quality is little, bearing capacity is large, transmitted power scope and the advantage such as transmission range is large, running noises is little, efficiency is high and the life-span is long, after making to install, take less space, the three-speed gearbox of this structure more can be applicable to mini motor vehicle; The present invention is not merely applied to three-speed gearbox in use, can be as required combine the present invention is a plurality of, such as two groups of series connection of application the present invention, or increase a planetary gear train, and according to effective permutation and combination gear selecting, form multi-speed transmission, realize better object energy-saving and cost-reducing and optimization motor-driven vehicle going.
Accompanying drawing explanation
The invention will be further described to engage drawings and Examples below.
Fig. 1 is structural representation of the present invention.
Embodiment
Fig. 1 is structural representation of the present invention, as shown in the figure: the double-planet system three-speed gearbox of the present embodiment, comprises one-level planetary gear train, secondary planet train and control system, described one-level planetary gear train and the series connection of secondary planet train; Certainly, one-level planetary gear train comprises ring gear I 1, planet wheel I 2, sun gear I 4 and planet carrier I 3, and secondary planet train comprises ring gear II 5, planet wheel II 6, sun gear II 8 and planet carrier II 7; The series connection of one-level planetary gear train and secondary planet train refers to two planetary gear train and is connected and outputting power successively, rather than output side by side;
Described control system makes one-level planetary gear train and secondary planet train integral rigidity transmission output, control one-level planetary gear train or secondary planet train as planetary gear train, export and control separately one-level planetary gear train and secondary planet train all as planetary gear train series connection output for controlling; Control system can be for manual control system or is automatically controlled, and by various mechanical means, controls the relation between one-level planetary gear train and sun gear, planet wheel and the ring gear of secondary planet train, reaches above-mentioned technique effect.
In the present embodiment, the sun gear I 4 of described one-level planetary gear train is power intake, and the planet carrier I 3 of one-level planetary gear train is in transmission connection with the sun gear II 8 of secondary planet train, and the planet carrier II 7 of secondary planet train is for outputting power; Form the export structure of series connection, be more conducive to the integral arrangement of speed changer; Transmission coordinate can be rigidly connected, the conventional mechanical transmission Placement such as spline joint.
In the present embodiment, described control system comprises clutch A, clutch B and clutch C, the ring gear II 5 that described clutch C can fixing and locking secondary planet train, and certainly, separable realization does not interfere with each other yet; Clutch A, ring gear I 1 and clutch B are in transmission connection, i.e. clutch A, B fixed installation or be fixedly installed in ring gear I 1 at circumferencial direction, formation is in transmission connection, can be rigidly connected, mechanical transmission Placement that spline joint etc. is conventional; Clutch A can lock and coordinate with the transmission of sun gear I, after locking, forms transmission and coordinates, and certainly, separable realization does not interfere with each other yet; Clutch B can lock and coordinate with the transmission of ring gear II, after locking, forms transmission and coordinates, and certainly, after separation, does not interfere with each other; Clutch A, clutch B and clutch C all can be automatic clutch or manual clutch, do not affect the realization of goal of the invention; By the control of clutch, realize the array output of the different modes of one-level planetary gear train and secondary planet train, simple and compact for structure, and realize larger gear range; Compare with existing planet gear train speed changer output, more can be applicable to comparatively rugged environment of driving environment, to guarantee the use flexibility of vehicle; Fixing and locking refers to respect to rotating component, can form fixingly, and such as clutch, C is fixedly installed in casing, and after locking ring gear II, ring gear II is fixing; And clutch A and clutch C are can not be fixed on casing after locking, but the parts that are locked are servo-actuated; The locking of clutch is common clutch and engages;
In the present embodiment, described clutch A is separated with sun gear, clutch B locks ring gear II and clutch C locking ring gear II 5, the ring gear I 1 of one-level planetary gear train is locked, and one-level planetary gear train and secondary planet train are respectively as planetary gear train series connection output; Be one-level planetary gear train and the secondary planet train normal planetary gear train outputting power of conduct respectively, transmission ratio is i
1=(1+k
1) (1+k
2), be lowest gear output, be suitable for using in the situation of larger running resistance, i.e. travel in heavy duty or compare great Po road;
When running resistance reduces, vehicle is more brisk while travelling, and described clutch A locking sun gear I 4, clutch B are separated with ring gear II 5, clutch C locking ring gear II 5, and one-level planetary gear train integral rigidity transmission, secondary planet train is exported as planetary gear train; Be one-level planetary gear train as being in transmission connection, secondary planet train is as normal planetary gear train outputting power, transmission ratio is i
2=(1+k
2), be middle bay output, be suitable for using in situation that slightly large running resistance and medium speed require;
When running resistance further reduces, when vehicle is comparatively brisk, described clutch A locking sun gear I, clutch B locking ring gear II 5 and clutch C are separated with ring gear II 5, and one-level planetary gear train and secondary planet train integral body are exported as positive drive; Now one-level planetary gear train and secondary planet train are respectively as driving component, and speed changer integral body does not have speed changing effect, and transmission ratio is i
3=1, be top gear, be suitable for level road the occasion higher to rate request.
The Combined clutch of the concrete gear of speed changer of the present invention sees the following form:
The present invention is not merely applied to three-speed gearbox in use, can be as required combine the present invention is a plurality of, such as two groups of series connection of application the present invention, or increase a planetary gear train, and according to effective permutation and combination gear selecting, form multi-speed transmission, realize better object energy-saving and cost-reducing and optimization motor-driven vehicle going.
Finally explanation is, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technological scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (4)
1. a double-planet system three-speed gearbox, is characterized in that: comprise one-level planetary gear train, secondary planet train and control system, described one-level planetary gear train and the series connection of secondary planet train;
Described control system makes one-level planetary gear train and secondary planet train integral rigidity transmission output, control one-level planetary gear train or secondary planet train as planetary gear train, export and control separately one-level planetary gear train and secondary planet train all as planetary gear train series connection output for controlling.
2. double-planet system three-speed gearbox according to claim 1, it is characterized in that: the sun gear I of described one-level planetary gear train is power intake, the planet carrier I of one-level planetary gear train coordinates with the sun gear II transmission of secondary planet train, and the planet carrier II of secondary planet train is for outputting power.
3. double-planet system three-speed gearbox according to claim 2, it is characterized in that: described control system comprises clutch A, clutch B and clutch C, described clutch C can fixing and locking secondary planet train ring gear II, clutch A, ring gear I and clutch B are in transmission connection, clutch A can lock and coordinate with the transmission of sun gear I, and clutch B can lock and coordinate with the transmission of ring gear II.
4. double-planet system three-speed gearbox according to claim 3, it is characterized in that: described clutch A is separated with sun gear, clutch B locks ring gear II and clutch C locking ring gear II, the ring gear I of one-level planetary gear train is locked, and one-level planetary gear train and secondary planet train are respectively as planetary gear train series connection output;
Or described clutch A locks sun gear I, clutch B is separated with ring gear II, clutch C locking ring gear II, one-level planetary gear train integral rigidity transmission, secondary planet train is exported as planetary gear train;
Or described clutch A locking sun gear I, clutch B locking ring gear II and clutch C are separated with ring gear II, one-level planetary gear train and secondary planet train integral body are exported as positive drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310499771.5A CN103527728B (en) | 2013-10-22 | 2013-10-22 | Double-planet system three-speed gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310499771.5A CN103527728B (en) | 2013-10-22 | 2013-10-22 | Double-planet system three-speed gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103527728A true CN103527728A (en) | 2014-01-22 |
| CN103527728B CN103527728B (en) | 2016-08-17 |
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ID=49929969
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310499771.5A Active CN103527728B (en) | 2013-10-22 | 2013-10-22 | Double-planet system three-speed gearbox |
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| CN (1) | CN103527728B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763529A (en) * | 2016-12-28 | 2017-05-31 | 中国北方车辆研究所 | A kind of electric drive lightweight big speed ratio hub reduction gear |
| CN108656936A (en) * | 2018-05-07 | 2018-10-16 | 深圳兴康动力总成有限公司 | A kind of hybrid electric drive system device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0235246A (en) * | 1988-07-25 | 1990-02-05 | Toyota Motor Corp | Planetary geared transmission for vehicle |
| JPH0235245A (en) * | 1988-07-25 | 1990-02-05 | Toyota Motor Corp | Planetary geared transmission for vehicle |
| CN1869475A (en) * | 2005-05-25 | 2006-11-29 | 通用汽车公司 | Multi speed transmission |
| CN101868650A (en) * | 2007-09-25 | 2010-10-20 | 株式会社小松制作所 | Planetary gear type gearbox |
| CN202017736U (en) * | 2011-04-27 | 2011-10-26 | 北京理工华创电动车技术有限公司 | Planet gear type automatic speed change system for electric automobile |
| CN203717808U (en) * | 2013-10-22 | 2014-07-16 | 重庆隆旺机电有限责任公司 | Three-gear speed changer of double-planetary system |
-
2013
- 2013-10-22 CN CN201310499771.5A patent/CN103527728B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0235246A (en) * | 1988-07-25 | 1990-02-05 | Toyota Motor Corp | Planetary geared transmission for vehicle |
| JPH0235245A (en) * | 1988-07-25 | 1990-02-05 | Toyota Motor Corp | Planetary geared transmission for vehicle |
| CN1869475A (en) * | 2005-05-25 | 2006-11-29 | 通用汽车公司 | Multi speed transmission |
| CN101868650A (en) * | 2007-09-25 | 2010-10-20 | 株式会社小松制作所 | Planetary gear type gearbox |
| CN202017736U (en) * | 2011-04-27 | 2011-10-26 | 北京理工华创电动车技术有限公司 | Planet gear type automatic speed change system for electric automobile |
| CN203717808U (en) * | 2013-10-22 | 2014-07-16 | 重庆隆旺机电有限责任公司 | Three-gear speed changer of double-planetary system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763529A (en) * | 2016-12-28 | 2017-05-31 | 中国北方车辆研究所 | A kind of electric drive lightweight big speed ratio hub reduction gear |
| CN108656936A (en) * | 2018-05-07 | 2018-10-16 | 深圳兴康动力总成有限公司 | A kind of hybrid electric drive system device |
| CN108656936B (en) * | 2018-05-07 | 2021-07-20 | 深圳兴康动力总成有限公司 | Hybrid electric driving device |
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| Publication number | Publication date |
|---|---|
| CN103527728B (en) | 2016-08-17 |
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