CN105443707B - A kind of electric driver based on two shift transmissions - Google Patents

A kind of electric driver based on two shift transmissions Download PDF

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Publication number
CN105443707B
CN105443707B CN201610045595.1A CN201610045595A CN105443707B CN 105443707 B CN105443707 B CN 105443707B CN 201610045595 A CN201610045595 A CN 201610045595A CN 105443707 B CN105443707 B CN 105443707B
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CN
China
Prior art keywords
planet
planet row
gear
motor
clutch
Prior art date
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Active
Application number
CN201610045595.1A
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Chinese (zh)
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CN105443707A (en
Inventor
雷雨龙
陈魏
黄晨路
扈建龙
于丽
郑雪松
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Nantong Lintex New Material Technology Co.,Ltd.
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Jilin University
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
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Priority to CN201610045595.1A priority Critical patent/CN105443707B/en
Publication of CN105443707A publication Critical patent/CN105443707A/en
Application granted granted Critical
Publication of CN105443707B publication Critical patent/CN105443707B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H37/00Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0833Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/12Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of electric gearing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H59/00Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02Selector apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/0021Transmissions for multiple ratios specially adapted for electric vehicles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2306/00Shifting

Abstract

The invention discloses a kind of electric driver based on two shift transmissions, including:Motor;First planet row sun gear, it is fixedly connected with electric drive axle housing;Second planet row sun gear, it connects the output shaft of motor;Brake, it is arranged between electric drive axle housing and the first planet rows of planetary frame;Clutch, it is arranged between the first planet row ring gear and the second planet row planet carrier;Second planet row planet carrier, it is fixedly connected with PTO;First planet rows of planetary frame and the second planet row ring gear are connected.The present invention has that design structure is compact, power interruption is not present in shift process, control is reversed gear, and realization is simple, vehicle capacity usage ratio is high, the energy effectively using with saving the characteristics of.

Description

A kind of electric driver based on two shift transmissions
Technical field
The present invention relates to Qu Donglingyu, and in particular to a kind of electric driver based on two shift transmissions.
Background technology
Electric automobile is new, energy-saving and environmental protection vehicle, especially under the serious overall situation of current air pollution, is had Huge development potentiality and wide application prospect.Electric automobile instead of the engine of orthodox car using motor, electronic Machine can start with carrying, and meet automobile requirement by reasonably configuring, and this is the very big difference with engine.Electronic It is improper using multi-shifting speed variator on car, if but cancel variable speed drive, it is difficult to take into account automobile climbing and at a high speed row Sail etc. and to require, particularly small and medium-sized car, it is necessary to redesign the dynamical system of electric automobile for the working characteristics of motor System.
Current electric driving system for electric automobile is increasingly favored by people, is sent out by the retrieval to prior art It is existing, the electric car existing arrangement form using parallel-axis type of two shift transmissions, there is the arrangement form using planet row type again.It is right In two shift transmissions using parallel-axis type arrangement form, the switching of gear is realized by synchronizer or clutch more;For It is that cutting for gear is realized by clutch or brake combination mostly using two shift transmissions of planet row type arrangement form Change.
The content of the invention
The present invention has designed and developed a kind of electric driver based on two shift transmissions.The present invention is primarily directed to electronic vapour The automobile-used high and used for electric vehicle mechanical transmission shifting power disruption of the bulky performance requirement of direct driving motor, by reasonable Matching, it is dynamic effectively to solve the high and used for electric vehicle mechanical transmission gearshift of the bulky performance requirement of direct driving motor used for electric vehicle Power disruption, make the structure of drive system compacter, be easily installed, also reduce the performance requirement to motor, reduce The complexity of control system, motor operation efficiency is improved, add the continual mileage of electric car.
Realization that the present invention has that design structure is compact, power interruption is not present in shift process, control is reversed gear is simple, vehicle The characteristics of capacity usage ratio is high, the energy is effectively utilized with saving.
Technical scheme provided by the invention is:
A kind of electric driver based on two shift transmissions, including:
Motor;
First epicyclic train, it includes the first planet row sun gear, the first planet rows of planetary wheel, the first planet rows of planetary Frame and the first planet row ring gear;
The first planet row sun gear, it is fixedly connected with electric drive axle housing;
Second epicyclic train, it includes the second planet row sun gear, the second planet row planetary gear, the second planet rows of planetary Frame and the second planet row ring gear;
The second planet row sun gear, it connects the output shaft of the motor;
Brake, it is arranged between the electric drive axle housing and the first planet rows of planetary frame, and selective makes The electric drive axle housing and the first planet rows of planetary frame combine and separation;
Clutch, it is arranged between the first planet row ring gear and the second planet row planet carrier, and selective makes The first planet row ring gear and the first planet rows of planetary frame combine and separation;
The second planet row planet carrier, it is fixedly connected with PTO;
The first planet rows of planetary frame is connected with the second planet row ring gear;
Wherein, when selecting a gear, the brake combines, the clutch separation;When selecting two gears, the braking Device separates, and the clutch combines.
Preferably, the electric drive axle housing includes the first accommodating chamber and the second accommodating chamber, first accommodating chamber and Inwall is set between second accommodating chamber.
Preferably, the PTO includes:
Differential casing, it is fixedly connected with the second planet row planet carrier;
Differential mechanism, it is arranged in the differential carrier body;
Left half axle, it is fixedly connected with the left half axle gear of differential mechanism;
Right axle shaft, it is fixedly connected with the right axle shaft gear of differential mechanism.
Preferably, the output shaft of the motor axially has through hole, the output shaft of the motor It is rotatably supported on the electric drive axle housing and the inwall.
Preferably, the left half axle passes through the through hole of the output shaft of the motor, and is rotatably supported at In the through hole;The right axle shaft is rotatably supported on the electric drive axle housing.
Preferably, in addition to:
The brake disc of the brake is connected with the electric drive axle housing, the brake hub of the brake and described first Planet row planet carrier is connected;
The clutch disk of the clutch is connected with the second planet row planet carrier, the clutch hub of the clutch with The first planet row ring gear connection.
Preferably, the stator of the motor is fixedly connected with the electric drive housing, and the motor turns Son is by being interference fitted the output axis connection with the motor.
Preferably, the first planet row sun gear is fixedly connected with electric drive axle housing by the inwall.
Preferably, the left half axle is connected by spline with the left half axle gear, the right axle shaft by spline with The right axle shaft gear connection.
Present invention beneficial effect possessed compared with prior art:
1st, electric drive axle system of the present invention has motor, two sets of planetary gear planet rows and clutch assembly group Into, number of parts is less, compact-sized, is easily installed, meanwhile, in transmission process, meshed gears number is less, effectively improves Transmission efficiency;
2nd, motor and two shift transmissions become one, and reduce the usage amount of raw material, effectively reduce electric drive trains The cost of system, motor can realize reversion, so being reversed gear by motor reversal to realize, eliminate the gearshift reversed gear and perform Mechanism, structure is compacter, and control of reversing gear is simple, easily realizes;
3rd, there are two kinds of mode of operations in motor, and when vehicle is in driving operating mode, motor is in motor work Operation mode, power is provided for vehicle traveling, when vehicle is in damped condition, motor is converted to generator mode, plays Brake energy recovery, the utilization rate of vehicle energy is improved, reach the effect for saving the energy.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text Word can be implemented according to this.
As shown in figure 1, the present invention provides a kind of electric driver based on two shift transmissions, it includes:Motor part, become Fast device part, differential portion and half shaft portion;Wherein, transmission portion is by the first planet row, the second planet row, clutch group Into.
Motor part is made up of drive motor shaft 110, stator 120 and rotor 130, wherein, the stator 120 of motor is logical Interference fit is connected with housing 100, and drive motor shaft 110 be hollow shaft, the rotor 130 of motor by being interference fitted and Drive motor shaft 110 connects.
Housing 110 includes the first accommodating chamber and the second accommodating chamber, between the first accommodating chamber and the second accommodating chamber in setting Wall, motor part are arranged in the first accommodating chamber, and transmission portion, differential portion and half shaft portion are arranged on the second accommodating chamber In.
During driving, motor is in electric motor mode, and during braking, motor is in generator mode.
First planet row is by the first planet row sun gear 220, the first planet rows of planetary wheel 230, the first planet rows of planetary frame 210 and first planet row ring gear 240 form.Wherein the first planet row sun gear 220 is fixed together with housing 100, The the first planet rows of planetary wheel 230 engaged with the first planet row sun gear 220 is ranked by needle bearing installed in the first planet In carrier 210, the first planet rows of planetary frame 210 is connected with the second planet row ring gear 340, and the first planet rows of planetary frame 210 is logical Cross brake 510 to be connected with housing 100, the first planet row ring gear 240 is connected with the clutch hub of clutch 520.
Second planet row is by the second planet row sun gear 320, the second planet row planetary gear 330, the second planet row planet carrier 310 and the second planet row ring gear 340.Wherein the second planet row sun gear 320 is connected by spline with drive motor shaft 110, The the second planet row planetary gear 330 engaged with the second planet row sun gear 320 is ranked by needle bearing installed in the second planet In carrier 310,9 second planet row planet carriers are connected with differential carrier 410, the second planet row ring gear 340 and the first planet row Planet carrier 210 connects.
The brake disc of brake 510 is connected with the first planet rows of planetary frame 210, brake hub and the housing 100 of brake 510 Connection, and by the separation of brake 510, with reference to realizing the rotation and braking of the first planet rows of planetary frame 210.
The clutch disk of clutch 520 (normally opened) and the second planet row planet carrier 310 connect, clutch 520 (normally opened) Clutch hub is connected with the first planet row ring gear 240, by the separation of clutch 520 (normally opened), is implemented in combination with the first planet Arrange the separation and combination of the planet row planet carrier 310 of ring gear 240 and second.
Differential portion is by differential carrier 410, planetary gear shaft 440, planetary gear 441, left half axle gear 421 and right half Shaft gear 431 forms.Wherein differential carrier 410 is connected with the second planet row planet carrier 310, and it is poor that planetary gear shaft 440 is arranged on In fast device shell 410, planetary gear 441 is arranged in planetary gear shaft 440 by needle bearing, is engaged with planetary gear 441 Left half axle gear 421 is connected by spline with left half axle 420, and the right axle shaft gear 431 engaged with planetary gear 441 passes through spline It is connected with right axle shaft 430.
Half shaft portion is made up of left half axle 420 and right axle shaft 430.Wherein left half axle 420 is arranged on by needle bearing and driven In the cavity of dynamic motor shaft 110, and the right-hand member of left half axle 420 is connected by spline with left half axle gear 421, right axle shaft 430 Left end is connected by spline with right axle shaft gear 431.
Wherein, the output shaft of motor axially has through hole, and driving motor output shaft is rotatably supported at On electric drive axle housing 100 and inwall, left half axle 420 passes through the through hole of the output shaft of motor, and is rotatably supported at In through hole, right axle shaft 430 is rotatably supported on electric drive axle housing 100.
The gear switching of electric drive axle system is realized by clutch 520 (normally opened) and brake 510.
During one gear, motor rotates forward and (realizes that the direction of motor rotation that vehicle advances is forward direction), clutch 520 (normally opened) does not work, that is, maintains a normally open state, and the first planet row ring gear 240 separates with the second planet row planet carrier 310, braking Device 510 works, and plays braking action, and the second planet row ring gear 340 is fixed, and only the second planet row participates in work, drives The power of dynamic motor is delivered to the second planet row sun gear 320 by the end of drive motor shaft 110, then through the second planet rows of planetary Wheel 330 is delivered to the second planet row planet carrier 310, poor because the second planet row planet carrier 310 is connected with the body of differential carrier 410 Fast device shell 410 rotates with the second planet row planet carrier 310, and the differential carrier 410 of rotation drives connected planetary gear shaft 440 rotate, and the planetary gear 441 being arranged on by needle bearing in planetary gear shaft 440 revolves round the sun with planetary gear shaft 440, and And the different generation rotations of the rotating speed of following left half, differential effect is played, and planetary gear 441 is transferred power to and engaged Left half axle gear 421 and right axle shaft gear 431 on, left half axle gear 421 drive left half axle 420 rotate, right axle shaft gear 431 Drive right axle shaft 430 to rotate, realize the transmission of power.
During two gears, motor rotates forward, and brake 510 does not work, and does not play braking action, the first planet rows of planetary frame 210 separate with housing 100, can freely rotate, and (normally opened) work of clutch 520, that is, combine, by the first planet row ring gear 240 and second planet row planet carrier 310 combine, the first planet row and the second planet row both participate in work, the power of motor Second planet row sun gear 320 is delivered to by the end of drive motor shaft 110, then is delivered to through the second planet row planetary gear 330 Second planet row ring gear 340, then the first planet row ring gear 240 is delivered to through the first planet rows of planetary frame 210, then through clutch Device 520 drives the second planet carrier 310, because the second planet row planet carrier 310 is connected with the body of differential carrier 410, differential carrier 410 Rotated with the second planet row planet carrier 310, the differential carrier 410 of rotation drives connected planetary gear shaft 440 to rotate, and leads to Planetary gear 441 of the needle bearing in planetary gear shaft 440 is crossed to revolve round the sun with planetary gear shaft 440, and following left half Rotating speed is different to occur rotation, plays differential effect, and planetary gear 441 transfers power to the left half axle tooth engaged On wheel 421 and right axle shaft gear 431, left half axle gear 421 drives left half axle 420 to rotate, and right axle shaft gear 431 drives right axle shaft 430 rotate, and realize the transmission of power.
One gear rises two gear processes, realizes that brake 510 is switched to the shape that do not work by working condition by shift control unit State, clutch 520 (normally opened) are switched to working condition by off position.The power of motor passes through drive motor shaft 110 End is delivered to the second planet row sun gear 320, then is delivered to the second planet row ring gear through the second planet row planetary gear 330 340, then the first planet row ring gear 240 is delivered to through the first planet rows of planetary frame 210, then drive the second row through clutch 520 Carrier 310, because the second planet row planet carrier 310 is connected with the body of differential carrier 410, differential carrier 410 is ranked with the second planet Carrier 310 rotates, and the differential carrier 410 of rotation drives connected planetary gear shaft 440 to rotate, and is installed by needle bearing Planetary gear 441 in planetary gear shaft 440 revolves round the sun with planetary gear shaft 440, and the different generations of the rotating speed of following left half Rotation, differential effect is played, and planetary gear 441 transfers power to the left half axle gear 421 and right axle shaft engaged On gear 431, left half axle gear 421 drives left half axle 420 to rotate, and right axle shaft gear 431 drives right axle shaft 430 to rotate, and realizes The transmission of power.
The gear process of two gear drop one, realizes that brake 510 is switched to work shape by off position by shift control unit State, clutch 520 (normally opened) are switched to off position by working condition.The power of motor passes through drive motor shaft 110 End is delivered to the second planet row sun gear 320, then is delivered to the second planet row planet carrier through the second planet row planetary gear 330 310, because the second planet row planet carrier 310 is connected with the body of differential carrier 410, differential carrier 410 is with the second planet row planet carrier 310 rotate, and the differential carrier 410 of rotation drives connected planetary gear shaft 440 to rotate, and are expert at by needle bearing installation Planetary gear 441 on star gear shaft 440 revolves round the sun with planetary gear shaft 440, and the different generation rotations of the rotating speed of following left half, Differential effect is played, and planetary gear 441 transfers power to the left half axle gear 421 and right axle shaft gear engaged On 431, left half axle gear 421 drives left half axle 420 to rotate, and right axle shaft gear 431 drives right axle shaft 430 to rotate, and realizes power Transmission.
When reversing gear, motor reversion (opposite with forward direction), clutch 520 (normally opened) does not work, that is, maintained a normally open State, the first planet row ring gear 240 separate with the second planet row planet carrier 310, and brake 510 works, and plays braking action, Second planet row ring gear 340 is fixed, and only the second planet row participates in work, and the power of motor passes through motor The end of axle 110 is delivered to the second planet row sun gear 320, then is delivered to the second planet seniority among brothers and sisters through the second planet row planetary gear 330 Carrier 310, because the second planet row planet carrier 310 is connected with the body of differential carrier 410, differential carrier 410 is ranked with the second planet Carrier 310 rotates, and the differential carrier 410 of rotation drives connected planetary gear shaft 440 to rotate, and is installed by needle bearing Planetary gear 441 in planetary gear shaft 440 revolves round the sun with planetary gear shaft 440, and the different generations of the rotating speed of following left half Rotation, differential effect is played, and planetary gear 441 transfers power to the left half axle gear 421 and right axle shaft engaged On gear 431, left half axle gear 421 drives left half axle 420 to rotate, and right axle shaft gear 431 drives right axle shaft 430 to rotate, and realizes The output of power, vehicle is set to swing to traveling.
During neutral, brake 510 and clutch 520 (normally opened) keep off position so that drive motor shaft 110 with Left half axle 420 and right axle shaft 430 are in released state, have cut off the transmission of power.When vehicle need to be braked with a gear traveling, drive Dynamic motor is switched to generator mode by electric motor mode, and dragging effect is played to transmission system, and the traveling kinetic energy of vehicle is turned It is changed to electric energy.
When vehicle need to be braked with two gear travelings, motor is switched to generator mode, brake by electric motor mode 510 work, clutch 520 (normally opened) are not worked, and dragging effect is played to transmission system, improve the organic efficiency of braking energy.
The gearshift executive component of the power drive system is operated according to table 1.
"○" represents separation in table 1, and "●" represents to combine, and B represents brake 510, and Cl represents clutch 520 (normally opened).
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited In specific details and shown here as the legend with description.

Claims (9)

  1. A kind of 1. electric driver based on two shift transmissions, it is characterised in that including:
    Motor;
    First epicyclic train, it include the first planet row sun gear, the first planet rows of planetary wheel, the first planet rows of planetary frame and First planet row ring gear;
    The first planet row sun gear, it is fixedly connected with electric drive axle housing;
    Second epicyclic train, it include the second planet row sun gear, the second planet row planetary gear, the second planet row planet carrier and Second planet row ring gear;
    The second planet row sun gear, it connects the output shaft of the motor;
    Brake, it is arranged between the electric drive axle housing and the first planet rows of planetary frame, and selective making is described Electric drive axle housing and the first planet rows of planetary frame combine and separation;
    Clutch, it is arranged between the first planet row ring gear and the second planet row planet carrier, and selective making is described First planet row ring gear and the second planet row planet carrier combine and separation;
    The second planet row planet carrier, it is fixedly connected with PTO;
    The first planet rows of planetary frame is connected with the second planet row ring gear;
    Wherein, when selecting a gear, the brake combines, the clutch separation;When selecting two gears, the brake point From the clutch combines.
  2. 2. the electric driver as claimed in claim 1 based on two shift transmissions, it is characterised in that the electric drive axle housing Including the first accommodating chamber and the second accommodating chamber, inwall is set between first accommodating chamber and the second accommodating chamber.
  3. 3. the electric driver as claimed in claim 2 based on two shift transmissions, it is characterised in that the PTO Including:
    Differential casing, it is fixedly connected with the second planet row planet carrier;
    Differential mechanism, it is arranged in the differential carrier body;
    Left half axle, it is fixedly connected with the left half axle gear of differential mechanism;
    Right axle shaft, it is fixedly connected with the right axle shaft gear of differential mechanism.
  4. 4. the electric driver as claimed in claim 3 based on two shift transmissions, it is characterised in that the motor it is defeated Shaft axially has through hole, and the output shaft of the motor is rotatably supported at the electric drive axle housing and institute State on inwall.
  5. 5. the electric driver as claimed in claim 4 based on two shift transmissions, it is characterised in that the left half axle passes through institute The through hole of the output shaft of motor is stated, and is rotatably supported in the through hole;The rotatable branch of right axle shaft Support is on the electric drive axle housing.
  6. 6. the electric driver as claimed in claim 3 based on two shift transmissions, it is characterised in that also include:
    The brake disc of the brake is connected with the electric drive axle housing, the brake hub of the brake and first planet Seniority among brothers and sisters carrier is connected;
    The clutch disk of the clutch is connected with the second planet row planet carrier, the clutch hub of the clutch with it is described First planet row ring gear connects.
  7. 7. the electric driver as claimed in claim 3 based on two shift transmissions, it is characterised in that the motor is determined Sub to be fixedly connected with the electric drive housing, the rotor of the motor is by being interference fitted the output with the motor Axis connection.
  8. 8. the electric driver as claimed in claim 2 based on two shift transmissions, it is characterised in that first planet row is too Sun wheel is fixedly connected with electric drive axle housing by the inwall.
  9. 9. the electric driver as described in claim 3 based on two shift transmissions, it is characterised in that the left half axle passes through Spline is connected with the left half axle gear, and the right axle shaft is connected by spline with the right axle shaft gear.
CN201610045595.1A 2016-01-22 2016-01-22 A kind of electric driver based on two shift transmissions Active CN105443707B (en)

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Application Number Priority Date Filing Date Title
CN201610045595.1A CN105443707B (en) 2016-01-22 2016-01-22 A kind of electric driver based on two shift transmissions

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Application Number Priority Date Filing Date Title
CN201610045595.1A CN105443707B (en) 2016-01-22 2016-01-22 A kind of electric driver based on two shift transmissions

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CN105443707B true CN105443707B (en) 2017-12-08

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CN107345558A (en) * 2016-05-06 2017-11-14 陕西汉德车桥有限公司 Pure electronic two grades of transaxles and electric car
CN106195194B (en) * 2016-08-31 2019-02-01 吉林大学 A kind of electric drive axle system and its control method based on two-gear transmission
DE102017120985A1 (en) * 2016-09-14 2018-03-15 Borgwarner Inc. ELECTRIC VEHICLE DRIVE SYSTEM
CN110296194B (en) * 2019-07-01 2022-05-31 重庆大学 Planetary three-gear shifting device

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CN205479218U (en) * 2016-01-22 2016-08-17 吉林大学 Electric drive device based on two keep off derailleur

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EP2511570A1 (en) * 2011-04-13 2012-10-17 Schaeffler Technologies AG & Co. KG Drive device with at least one electric machine and coupling actuated using compressed material
CN102529673A (en) * 2012-02-24 2012-07-04 上海中科深江电动车辆有限公司 Hybrid power electrical transmission device of caterpillar vehicle
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CN205479218U (en) * 2016-01-22 2016-08-17 吉林大学 Electric drive device based on two keep off derailleur

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