CN105387156B - The two-shift automatic speed variator that a kind of electric drive is used - Google Patents

The two-shift automatic speed variator that a kind of electric drive is used Download PDF

Info

Publication number
CN105387156B
CN105387156B CN201510908517.5A CN201510908517A CN105387156B CN 105387156 B CN105387156 B CN 105387156B CN 201510908517 A CN201510908517 A CN 201510908517A CN 105387156 B CN105387156 B CN 105387156B
Authority
CN
China
Prior art keywords
planet row
row
driving member
planet
transmission
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.)
Active
Application number
CN201510908517.5A
Other languages
Chinese (zh)
Other versions
CN105387156A (en
Inventor
李慎龙
周广明
吕庆军
李晋
刘树成
邢庆坤
唐沛
张静
张鹤
尹华兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China North Vehicle Research Institute
Original Assignee
China North Vehicle Research Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China North Vehicle Research Institute filed Critical China North Vehicle Research Institute
Priority to CN201510908517.5A priority Critical patent/CN105387156B/en
Publication of CN105387156A publication Critical patent/CN105387156A/en
Application granted granted Critical
Publication of CN105387156B publication Critical patent/CN105387156B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F16H3/62—Gearings having three or more central gears
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • 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
    • F16H57/00—General details of gearing
    • F16H57/08—General details of gearing of gearings with members having orbital motion
    • F16H57/10—Braking arrangements
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02039—Gearboxes for particular applications
    • F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
    • F16H2057/02047—Automatic transmissions
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02091—Measures for reducing weight of gearbox
    • 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
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
    • 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
    • F16H2200/201—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with three sets of orbital gears
    • 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
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2035—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with two engaging means

Abstract

The present invention relates to mechanical design field, open a kind of for electrically driven (operated) two-shift automatic speed variator, this speed changer is made up of two simple planet rows and a double star planet row, with two controls, six basic building blocks；First simple planet row is made up of a toothrow circle R1, a seniority among brothers and sisters carrier CA1, row's sun gear S1；Second simple planet row is made up of two toothrow circle R2, two-row planetary frame CA2, two row's sun gear S2；3rd double star planet row is made up of three toothrow circle R3, three seniority among brothers and sisters carrier CA3, three row's sun gear S3.The method have the advantages that the optimization of transmission sketch, reduces the size of automatic gear-box, alleviates the weight of gearbox, reduce manufacturing expense；Switched over two gears according to different driving cycles；And realizing power flow concentration in two gears, there is provided larger speed reducing ratio；The rank of this automatic transmission is more reasonable than selecting, and is easy to the self shifter of automatic transmission.

Description

The two-shift automatic speed variator that a kind of electric drive is used
Technical field
The invention belongs to mechanical design field, it is related to the transmission design scheme of automatic gear-box, is specially that a kind of electricity drives The dynamic two-shift automatic speed variator used
Background technology
In recent years, environment and energy problem turned into one of major reason of restriction China National development and national development, and And as the cry of mankind's energy-saving and emission-reduction gradually rises the continuous awakening with environmental consciousness, the research and development of electric automobile, which have been returned to, goes through History stage, either mixed power electric car, fuel cell car or pure electric drive automobile, its power drive system are all electricity One of key technology of motor-car research.And limited by vehicle space size, driving cycle etc., it is desirable to power drive system volume Small, power density is high, adapt to various driving cycles, is that this is exactly both at home and abroad continuous for one of research emphasis of power drive system Motor speed is improved, reduces system bulk, hoisting power density.So, research and development of the big retarding that electric drive is used than speed changer Key factor as restriction power drive system development.
In various speed changers, planetary automatic transmission has the advantages that compact conformation, small volume, and reasonably designs The preferred part of larger speed reducing ratio, referred to as power drive system design can be obtained.When gearratio series is determined, choose Gear Planet Transmission sketch be a critically important also very complicated job, why it is important be because the efficiency of speed changer, size and Reliability depends greatly on transmission sketch, and why complexity is then because with multiple planetary mechanism composition requirement gears Planetary transmission, possible amount of projects is huge, and the scheme for meeting and requiring how is found from the vast and numerous possibility scheme of quantity, It is problem for many years.
The content of the invention
(1) goal of the invention
The purpose of the present invention is：The two-shift automatic speed variator that a kind of electric drive is used is provided, electric vehicle electric drive is realized The compact conformation of system, small volume, big retarding ratio, high power density.
(2) technical scheme
In order to solve the above-mentioned technical problem, the present invention provides the two-shift automatic speed variator that a kind of electric drive is used, and it includes： Three planet rows, the first planet row PGS1, the second planet row PGS2, third planet row PGS3, wherein each planet row is arranged in order Using driving member connection between row, each planet row, 1. transmission input shaft is connected with input link, by power drive system 2. incoming automatic transmission of power of motor output, transmission output shaft is connected with output link, passes through transfer gear or differential Power is reached forward and backward bridge or left and right driving wheel by device；The first planet row PGS1 respectively with input link 1., first transmission 4. 3. component connect with the second driving member；The second planet row PGS2 respectively with driving member 4., output link is 2. with 5. three driving members connect；Third planet row PGS3 respectively with the first driving member 3., output link 2. with the 4th transmission 6. component connects；
The speed changer also includes：First brake B1, for braking the first driving member 3.；Second brake B2, is used In the 4th driving member of braking 6.；When first brake B1 is engaged, 3. the first driving member is braked, and third planet row PSG3 is in Idling conditions, is only driven by the first planet row PSG1 and the second planet row PSG2, realizes the first gear；Second brake B2 is engaged When, 6. the 4th driving member is braked, and the first planet row PSG1, the second planet row PSG2, third planet row PSG3 all participate in passing It is dynamic, realize the second gear.
Wherein, the first planet row PGS1 and the second planet row PGS2 is simple planet row, and third planet row PGS3 is Double star planet row；Each planet row includes sun gear, planet carrier and gear ring.
Wherein, 1. the input link connects the first planet row PGS1 row's sun gear S1；2. output link connects Two planet row PGS2 two-row planetary frame CA2, third planet row PGS3 three seniority among brothers and sisters carrier CA3；3. first driving member connects A first planet row PGS1 seniority among brothers and sisters carrier CA1, third planet arrange hub in PGS3 three row's sun gear S3, the first brake B1； 4. second driving member connects a first planet row PGS1 toothrow circle R1, the second planet row PGS2 two row's sun gear S2；The 5. three driving members connect the second planet row PGS2 two toothrow circle R2, case of transmission；6. 4th driving member connects the 3rd Hub in planet row PGS3 three toothrow circle R3, second brake B2.
Wherein, the first planet row PGS1, the second planet row PGS2, third planet row PGS3 characterisitic parameter difference For：k1=2.56, k2=1.85 and k3=-3.56.
(3) beneficial effect
The two-shift automatic speed variator that the electric drive that above-mentioned technical proposal is provided is used, is driven the optimization of sketch, reduces The size of automatic gear-box, the power density alleviated under the weight of gearbox, equal-wattage is further improved, and reduces system Make expense；Switched over two gears according to different driving cycles；And realizing power flow concentration in two gears, there is provided larger Speed reducing ratio；The rank of this automatic transmission is more reasonable than selecting, and is easy to the self shifter of automatic transmission.
Brief description of the drawings
Each part annexation schematic diagram of two-shift automatic speed variator that Fig. 1 uses for the electric drive of the present invention.
Wherein, the planet rows of PGS1- first, the planet rows of PGS2- second, PGS3- third planets row, 1.-input link, 2.- Output link, 3. the-the first driving member, 4. the-the second driving member, 5. the-the three driving member, 6. the-the four driving member, B1- First brake, 1. B2- second brakes are driving link, are 2. Passive part,
R1 is that a toothrow circle, CA1 are that a seniority among brothers and sisters carrier, S1 are row's sun gear；R2 is that two toothrow circles, CA2 are two seniority among brothers and sisters Carrier, S2 are two row's sun gears；R3 is that three toothrow circles, CA3 are that three seniority among brothers and sisters carrier, S3 are three row's sun gears.
Embodiment
To make the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to the tool of the present invention Body embodiment is described in further detail.
As shown in figure 1, the two-shift automatic speed variator that the present embodiment electric drive is used is applied to electric vehicle power drive system, It includes three planet rows, the first planet row PGS1, the second planet row PGS2, third planet row PGS3, wherein each planet row is pressed Order is arranged, and using driving member connection between each planet row, 1. transmission input shaft is connected with input link, by electric drive 2. incoming automatic transmission of power of the motor output of system, transmission output shaft is connected with output link, passes through transfer gear , then directly will this automatic change for electric wheel hub power drive system or power is reached forward and backward bridge or left and right driving wheel by differential mechanism The power of fast device transmission reaches vehicle.The speed changer is to eliminate pivot in almost symmetry, Fig. 1 relative to pivot The latter half, no longer explained when describing below.
The first planet row PGS1 respectively with input link 1., 4. 3. the first driving member connect with the second driving member Connect；The planet row PGS2 respectively with driving member 4., 5. 2. output link be connected with the 3rd driving member；Second planet Row PGS3 respectively with the first driving member 3., 6. 2. output link be connected with the 4th driving member；The first brake B1 is used In the first driving member of braking 3.；The second brake B2 is used to brake the 4th driving member 6..
Wherein, the first planet row PGS1 and the second planet row PGS2 is simple planet row, and third planet row PGS3 is double star Planet row.Each planet row includes sun gear, planet carrier and gear ring.
1. input link connects the first planet row PGS1 row's sun gear S1；2. output link connects the second planet row PGS2 two-row planetary frame CA2, third planet row PGS3 three seniority among brothers and sisters carrier CA3；3. first driving member connects the first planet Arrange a PGS1 seniority among brothers and sisters carrier CA1, third planet and arrange hub in PGS3 three row's sun gear S3, the first brake B1；Second transmission 4. component connects a first planet row PGS1 toothrow circle R1, the second planet row PGS2 two row's sun gear S2；3rd transmission structure 5. part connects the second planet row PGS2 two toothrow circle R2, case of transmission；6. 4th driving member connects third planet row Hub in PGS3 three toothrow circle R3, second brake B2.
Based on said structure description, the realization of two gears of the present embodiment automatic transmission is as follows：
1st, when the first brake B1 is engaged, 3. the first driving member is braked, and third planet row PSG3 is in idling conditions, only It is driven by the first planet row PSG1 and the second planet row PSG2, realizes the first gear；
2nd, when second brake B2 is engaged, 6. the 4th driving member is braked, the first planet row PSG1, the second planet row PSG2, third planet row PSG3 all participate in transmission, realize the second gear.
Currently preferred instantiation is described below：
The interior gearratio of each planet row, i.e. the characterisitic parameter of the planet row is respectively：k1=2.56, k2=1.85 and k3 =-3.56, speed changer PGS1-PGS3 planet row rotation speed relations are as follows：
Speed changer PGS1-PGS3 planet row torque relationships are as follows：
Table 1 is planetary transmission gear and gearratio, describes the controls realized and combined required for each gear.Table 2 For planetary transmission relative rotation speed, relative rotation speed of the component in each gear is described.Table 3 is planetary transmission relative to force Square, describes relative moment of the component in each gear.
Table 1 realizes the controls binding sequence and gearratio of each gear
Gear Shift logic Gearratio
1 B1 -7.296
2 B2 -16.410
Each component relative rotation speed of table 2
N in upper table represents the relative rotation speed of each planet row basic building block respectively.
Each gear relative moment of table 3
Wherein, Ts、Tr、TcaThe torque of each planet row sun gear, gear ring and framework is represented respectively.
The method have the advantages that the optimization of transmission sketch, reduces the size of automatic gear-box, alleviates the weight of gearbox, Reduce manufacturing expense；Switched over two gears according to different driving cycles；And power flow concentration is realized in two gears, is carried For larger speed reducing ratio；The rank of this automatic transmission is more reasonable than selecting, and is easy to the self shifter of automatic transmission.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these improve and deformed Also it should be regarded as protection scope of the present invention.

Claims (4)

1. the two-shift automatic variable speed device that a kind of electric drive is used, it is characterised in that including：Three planet rows, the first planet row (PGS1), the second planet row (PGS2), third planet row (PGS3), wherein each planet row is arranged in order, each planet row it Between using driving member connection, transmission input shaft is connected with input link (1.), by moving for the motor output of power drive system Incoming automatic transmission of power, transmission output shaft is connected with output link (2.), is passed power by transfer gear or differential mechanism To forward and backward bridge or left and right driving wheel；First planet row (PGS1) respectively with input link (1.), the first driving member (3.) connected with the second driving member (4.)；Second planet row (PGS2) respectively with driving member (4.), output link (2.) connected with the 3rd driving member (5.)；Third planet row (PGS3) respectively with the first driving member (3.), output structure Part (2.) and the connection of the 4th driving member (6.)；
The speed changer also includes：First brake (B1), for braking the first driving member (3.)；Second brake (B2), For braking the 4th driving member (6.)；When first brake (B1) is engaged, the first driving member (3.) braking, third planet row (PSG3) idling conditions is in, is only driven by the first planet row (PSG1) and the second planet row (PSG2), realizes the first gear；The When two brakes (B2) are engaged, the braking of the 4th driving member (6.), the first planet row (PSG1), the second planet row (PSG2), the Three planet rows (PSG3) all participate in transmission, realize the second gear.
2. the two-shift automatic variable speed device that electric drive as claimed in claim 1 is used, it is characterised in that first planet row (PGS1) and the second planet row (PGS2) be simple planet row, third planet row (PGS3) be double star planet row；Each planet row Include sun gear, planet carrier and gear ring.
3. the two-shift automatic variable speed device that electric drive as claimed in claim 2 is used, it is characterised in that the input link (1.) Connect row's sun gear (S1) of the first planet row (PGS1)；Output link (2.) connects two seniority among brothers and sisters of the second planet row (PGS2) Carrier (CA2), the three seniority among brothers and sisters carrier (CA3) of third planet row (PGS3)；First driving member (3.) connects the first planet row (PGS1) a seniority among brothers and sisters carrier (CA1), three row's sun gears (S3), the first brake (B1) interior hub of third planet row (PGS3)； Second driving member (4.) connects a toothrow circle (R1), the two row's sun of the second planet row (PGS2) of the first planet row (PGS1) Take turns (S2)；3rd driving member (5.) connects two toothrow circles (R2), the case of transmission of the second planet row (PGS2)；4th transmission Three toothrow circles (R3), second brake (B2) interior hub of component (6.) connection third planet row (PGS3).
4. the two-shift automatic variable speed device that the electric drive as described in claim any one of 1-3 is used, it is characterised in that described first Planet row (PGS1), the second planet row (PGS2), the characterisitic parameter of third planet row (PGS3) are respectively：k1=2.56, k2= 1.85 and k3=-3.56.
CN201510908517.5A 2015-12-09 2015-12-09 The two-shift automatic speed variator that a kind of electric drive is used Active CN105387156B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510908517.5A CN105387156B (en) 2015-12-09 2015-12-09 The two-shift automatic speed variator that a kind of electric drive is used

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510908517.5A CN105387156B (en) 2015-12-09 2015-12-09 The two-shift automatic speed variator that a kind of electric drive is used

Publications (2)

Publication Number Publication Date
CN105387156A CN105387156A (en) 2016-03-09
CN105387156B true CN105387156B (en) 2017-09-26

Family

ID=55419756

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510908517.5A Active CN105387156B (en) 2015-12-09 2015-12-09 The two-shift automatic speed variator that a kind of electric drive is used

Country Status (1)

Country Link
CN (1) CN105387156B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108177512B (en) * 2017-03-29 2019-11-01 张建龙 Two grades of speed change electricity of integrated form drive assembly system and application method
CN109469714B (en) * 2017-09-08 2023-11-14 广州市新域动力技术有限公司 Two-gear automatic speed-changing electric driving wheel assembly
CN107606080B (en) * 2017-10-13 2023-11-14 中南林业科技大学 Seven-gear electric control mechanical planetary automatic transmission for automatic gearbox
CN108050222B (en) * 2017-12-08 2021-04-02 合肥工业大学 Two keep off electric automobile electric drive system
CN110657206B (en) * 2018-06-29 2021-10-22 比亚迪股份有限公司 Transmission, power driving system and vehicle
CN110657208B (en) * 2018-06-29 2021-10-22 比亚迪股份有限公司 Transmission, power driving system and vehicle

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60239331D1 (en) * 2001-05-30 2011-04-14 Jatco Ltd GEAR SWITCH FOR AN AUTOMATIC GEARBOX
US6695741B2 (en) * 2002-01-08 2004-02-24 General Motors Corporation Family of five-speed transmission mechanisms having three planetary gear sets
US7393297B2 (en) * 2005-11-15 2008-07-01 Gm Global Technology Operations, Inc. Electrically variable transmissions with three interconnected gearsets
CN202914645U (en) * 2012-11-07 2013-05-01 中国汽车技术研究中心 Double-planet-row two-gear speed change device
CN103953698B (en) * 2014-04-30 2016-08-03 北京航空航天大学 A kind of electrically driven (operated) planetary transmission

Also Published As

Publication number Publication date
CN105387156A (en) 2016-03-09

Similar Documents

Publication Publication Date Title
CN105387156B (en) The two-shift automatic speed variator that a kind of electric drive is used
CN202165536U (en) Automatic transmission with six forward gears and reverse gear
CN206394434U (en) A kind of many gear automotive trannsmission systems of integrated single motor
CN104595436B (en) A kind of seven gear planetary transmissions for automatic gear-box
CN205365218U (en) Hybrid transmission of platformization
CN104477023B (en) Multiple degrees of freedom power shifting parallel form hybrid power multi-gear gear-case
WO2020029547A1 (en) Nine-gear automatic transmission
CN107606080B (en) Seven-gear electric control mechanical planetary automatic transmission for automatic gearbox
CN106004407B (en) A kind of hybrid power drive assembly and the automobile equipped with the assembly
CN102616127A (en) Hybrid power transmission device of dual-mode two-stage planet wheel
CN106122392A (en) Four-speed gear shift device integrated system
CN101956793B (en) Six-drive and three-reverse planet speed changer
CN106838153B (en) A kind of seven previous planetary transmissions of falling four-degree-of-freedom
CN202188084U (en) 6AT transmission
CN202732865U (en) Two-speed automatic transmission used for electric vehicle
CN206633803U (en) Oil electric mixed dynamic drive system
CN206826407U (en) Two grades of transaxles of electric car
CN104896041A (en) Automatic gearbox
CN107435713A (en) Four planet row automatic transmission and vehicle
CN103711846B (en) Ten gear gearboxes of a kind of dead axle and planet Composite Transmission
CN204083094U (en) A kind of electrically driven (operated) planetary transmission
CN201359060Y (en) Multi-gear power shift planetary gearbox
CN108045215A (en) A kind of double planet wheel rows of mixing driving device suitable for hybrid power public transport
CN107477155A (en) Four planet row automatic transmission and vehicle
CN104214286B (en) Multi-gear speed changer for planetary gear structure

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant