CN205371519U - Electric drive device based on double row star is arranged two and is kept off derailleur - Google Patents
Electric drive device based on double row star is arranged two and is kept off derailleur Download PDFInfo
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- CN205371519U CN205371519U CN201620066261.8U CN201620066261U CN205371519U CN 205371519 U CN205371519 U CN 205371519U CN 201620066261 U CN201620066261 U CN 201620066261U CN 205371519 U CN205371519 U CN 205371519U
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- planet
- planet row
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- carrier
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Abstract
The utility model discloses an electric drive device based on double row star is arranged two and is kept off derailleur, include: the actuating system casing, driving motor has output power's output shaft, first planet row sun gear, its output shaft of connecting driving motor, first planet is arranged the first planet of the common fixed connection of planet carrier seniority among brothers and sisters star gear I and is arranged planet carrier fixed connection actuating system casing with first planet seniority among brothers and sisters star gear II, first planet, the jackshaft, it is connected first planet and arranges the ring gear, and it is rotatory jointly to arrange the ring gear along with first planet, the sun gear is arranged to the second planet, and it connects the jackshaft, the stopper, it sets up arranges between the ring gear at actuating system casing and second planet, the clutch, its set up jackshaft and second planet arrange the planet carrier it, planet carrier, its fixed connection output shaft are arranged to the second planet. The utility model has the characteristics of there are not the power interrupt in design compact structure, the in -process of shifting, control is reversed gear and is realized simple, whole car energy utilization height, effective energy utilization and saving.
Description
Technical field
This utility model relates to driving field, is specifically related to a kind of electric driver based on double planet wheel rows of mixing two shift transmission.
Background technology
Electric automobile is novel, energy-saving and environmental protection vehicle, particularly in, under the overall situation that current air pollution is serious, having huge development potentiality and wide application prospect.Electric automobile uses motor to instead of the electromotor of orthodox car, and motor can band load start, and meets automobile instructions for use by reasonably configuration, and this is the very big difference with electromotor.Electric motor car use multi-shifting speed variator improper, if but cancel variable speed drive, then it is difficult to take into account automobile climbing and runs at high speed and wait requirement, particularly small and medium-sized car, it is necessary to for the dynamical system of the operating characteristic redesign electric automobile of motor.
Current electric driving system for electric automobile is increasingly subject to the favor of people, through the retrieval of prior art is found, and the electric motor car arrangement form of the two existing employing parallel-axis types of shift transmission, there is again the arrangement form adopting planet row type.For adopting two shift transmissions of parallel-axis type arrangement form, how realized the switching of gear by lock unit or clutch；For adopting two shift transmissions of planet row type arrangement form, it is mostly by the incompatible switching realizing gear of clutch or brake groups.
Utility model content
This utility model has designed and developed a kind of electric driver based on double planet wheel rows of mixing two shift transmission.This utility model is primarily directed to the high and used for electric vehicle mechanical transmission shifting power disruption of the bulky performance requirement of direct driving motor used for electric vehicle, pass through Proper Match, effectively solve the high and used for electric vehicle mechanical transmission shifting power disruption of the bulky performance requirement of direct driving motor used for electric vehicle, the structure making drive system is compacter, it is easily installed, also reduce the performance requirement to motor, decrease the complexity of control system, improve motor operational efficiency, add the continual mileage of electric motor car.
This utility model has in design compact conformation, shift process to be absent from power interruption, control to reverse gear that realization is simple, car load capacity usage ratio high, the energy effectively utilizes and the feature saved.
The technical scheme that this utility model provides is:
A kind of electric driver based on double planet wheel rows of mixing two shift transmission, including:
Drive system housing；
Drive motor, it is arranged in drive system housing, and has the output shaft of output power；
First planet gear train, it includes first planet row's sun gear, first planet seniority among brothers and sisters carrier, first planet seniority among brothers and sisters star-wheel I, first planet seniority among brothers and sisters star-wheel II and first planet row's ring gear；
Described first planet row's sun gear, it connects the output shaft of described drive motor；First planet seniority among brothers and sisters carrier is jointly fixing connects described first planet seniority among brothers and sisters star-wheel I and first planet seniority among brothers and sisters star-wheel II, and described first planet seniority among brothers and sisters carrier is fixing connects drive system housing；
Jackshaft, it connects described first planet row's ring gear, arranges ring gear with described first planet and jointly rotates；
Second epicyclic train, it includes the second planet row sun gear, the second planet row planetary gear, the second planet row planet carrier and the second planet row ring gear；
Described second planet row sun gear, it connects described jackshaft；
Brake, it is arranged between drive system housing and described second planet row ring gear, optionally makes drive system housing and described second planet row internal tooth coil combine and separate；
Clutch, it is arranged between described jackshaft and described second planet row planet carrier, optionally makes described jackshaft and described second planet row planet carrier combine and separate；
Described second planet row planet carrier, its fixing connection output shaft；
Wherein, when selecting a gear, described brake combines, described clutch separation；When selecting two gears, described brake separates, and described clutch combines.
Preferably, described power drive system housing includes the first accommodation chamber and second and holds chamber, arranges inwall between described first accommodation chamber and the second accommodation chamber.
Preferably, described first planet seniority among brothers and sisters carrier is fixing connects described inwall.
Preferably, described first holds laying drive motor in chamber, and described second holds laying first planet gear train and the second epicyclic train in chamber.
Preferably, being provided with through hole in described second accommodation chamber, described output shaft is rotatably supported on described through hole and passes described through hole and is connected to described drive system hull outside.
Preferably, described drive motor also includes:
Rotor, its fixing connection drive motor axle；
Stator, it is fixed with described drive system housing and is connected.
Preferably, also include:
The braking dish of described brake is connected with described second planet row ring gear, and the brake hub of described brake is connected with described drive system housing；
The clutch disk of described clutch is connected with described jackshaft, and the clutch hub of described clutch is connected with described second planet row planet carrier.
Preferably, also include:
Described first planet row's sun gear is arranged on the output shaft end of described drive motor by spline, and described first planet row's ring gear is arranged on described jackshaft by spline；
Described second planet row sun gear is arranged on described jackshaft by spline, and described second planet row planetary gear is arranged on described second planet row planet carrier by needle bearing.
Preferably, described drive motor switches to generator mode when car is braked.
Preferably, when selecting to reverse gear, described brake combines, and described clutch separation, the Reverse Power of described drive motor is transferred to output shaft by described second planet row planet carrier.
This utility model is had the advantages that compared with prior art
1, electric drive axle system described in the utility model is made up of drive motor, two set planetary gear planet rows and clutch assembly, and number of parts is less, compact conformation, it is simple to installing, meanwhile, in transmission process, meshed gears number is less, is effectively improved transmission efficiency；
2, drive motor and two shift transmissions become one, reduce and raw-material make consumption, effectively reduce the cost of power drive system, drive motor can realize reversion, so realizing reversing gear by motor reversal, eliminating the gear shifting actuating mechanism reversed gear, structure is compacter, and control of reversing gear is simple, easily realizes；
3, there are two kinds of mode of operations in drive motor, when car load is in driving operating mode, drive motor is in motor operation mode, travel for car load and power is provided, when car load is in damped condition, drive motor is converted to generator mode, plays Brake energy recovery, improve the utilization rate of car load energy, reach to save the effect of the energy.
Accompanying drawing explanation
Fig. 1 is structural representation described in the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
As it is shown in figure 1, this utility model provides a kind of electric driver based on double planet wheel rows of mixing two shift transmission, comprising: motor part and variator；Wherein transmission portion is arranged by first planet, the second planet row, and clutch and brake form.
Motor part is by drive motor axle 110, stator 120, and rotor 130 forms, and wherein the stator 120 of drive motor is connected with housing 100 by interference fit, and the rotor 130 of drive motor is connected with drive motor axle 110 by interference fit.
Housing 100 includes the first accommodation chamber and second and holds chamber, holds chamber and second first and holds between chamber and arranging inwall, and motor section is divided and is arranged in the first accommodation chamber, and transmission portion is arranged in the second accommodation chamber；Wherein, holding in chamber first, drive motor axle 110 is rotatably supported on described inwall, and the upper through hole passing inwall is arranged sun gear 220 with first planet and is connected；Holding in chamber second, output shaft 150 is through the through hole of drive system housing to hull outside.
During driving, drive motor is in electric motor mode, and during braking, drive motor is in generator mode.
First planet row is a set of double-planet planet row, first planet rank carrier 210, first planet row's ring gear 250, first planet row's sun gear 220, and first planet ranks star-wheel I230 and first planet seniority among brothers and sisters star-wheel II240 composition.Wherein, first planet row's sun gear 220 is arranged on drive motor axle 110 by spline, the first planet seniority among brothers and sisters star-wheel I230 engaged with first planet row's sun gear 220 is arranged in first planet seniority among brothers and sisters carrier 210 by needle bearing, rank the star-wheel I230 first planet engaged seniority among brothers and sisters star-wheel II240 with first planet and be arranged in first planet seniority among brothers and sisters carrier 210 also by needle bearing, first planet seniority among brothers and sisters carrier 210 is connected with housing 100 by inwall, maintain static, rank the star-wheel II240 first planet engaged row's ring gear 250 to be arranged on jackshaft 140 by spline with first planet.
Second planet row is a set of single file star planet row, and 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 form.Wherein, second planet row sun gear 320 is arranged on jackshaft 140 by spline, the the second planet row planetary gear 330 engaged with the second planet row sun gear 320 is arranged on the second planet row planet carrier 310 by needle bearing, being connected with the brake disks of brake 410 with the second planet row ring gear 340 of the second planet row planetary gear 330 engagement, the second planet row planet carrier 310 is connected with output shaft 150.
The brake hub of brake 410 is connected with housing 100, maintains static, and the braking dish of brake 410 is connected by spline and the second planet row ring gear 340, and by the separation of brake 410, the rotation being implemented in combination in the second planet row ring gear 340 and braking.
Clutch hub and the second planet row planet carrier 310 of clutch 420 (normally opened) connect, the clutch disk of clutch 420 (normally opened) is arranged on jackshaft 140 by spline, and by the separation of clutch 420 (normally opened), be implemented in combination with separating and combination of the second planet row planet carrier 310 and jackshaft 140.
The gear switching of power drive system is realized by brake 410 and clutch 420 (normally opened).
nullDuring one gear，Drive motor rotates forward (direction of motor rotation realizing car load advance is forward direction)，Clutch 420 (normally opened) does not work，Namely state is maintained a normally open，Jackshaft 140 separates with the second planet row planet carrier 310，Brake 410 works，Play braking action，Second planet row ring gear 340 maintains static，The power of drive motor is delivered to first planet row's sun gear 220 by drive motor axle 110 end，First planet row's sun gear 220 is ranked star-wheel I230 and first planet seniority among brothers and sisters star-wheel II240 by first planet and is transferred power to first planet row's ring gear 250，First planet row's ring gear 250 transfers power to jackshaft 140 again，Jackshaft 140 drives connected second planet row sun gear 320，Second planet row sun gear 320 transfers power to the second planet row planetary gear 330 engaged，Second planet row planetary gear 330 not only rotation but also revolve round the sun，Second planet row planetary gear 330 drives the second planet row planet carrier 310 to rotate，Second planet row planet carrier 310 transfers power to coupled output shaft 150 again，Realize the transmission of power.
nullDuring two gears，Drive motor rotates forward，Clutch 420 (normally opened) works，Namely combine，Jackshaft 140 is connected with the second planet row planet carrier 310，Brake 410 does not work，Do not play braking operation，Second planet row ring gear 340 is rotatable，Second planet row claims as a whole，Do not play chronotropic action，The power of drive motor is delivered to first planet row's sun gear 220 by drive motor axle 110 end，First planet row's sun gear 220 is ranked star-wheel I230 and first planet seniority among brothers and sisters star-wheel II240 by first planet and is transferred power to first planet row's ring gear 250，First planet row's ring gear 250 transfers power to jackshaft 140 again，Jackshaft 140 drives the second planet row to rotate，Second planet row planet carrier 310 of the second planet row drives output shaft 150 to rotate，Realize the transmission of power.
One gear rises two gear processes, realize clutch 420 (normally opened) by shift control unit and be switched to duty by off position, namely the second planet row planet carrier 310 and jackshaft 140 are switched to bonding state by separating, brake 410 is switched to off position by duty, and namely the second planet row ring gear 340 maintains static to be switched to and separates movably with housing 100 by connecting with housing 100.
One gear process drops in two gears, realize clutch 420 (normally opened) by shift control unit and be switched to off position by duty, namely the second planet row planet carrier 310 is switched to released state with jackshaft 140 by combination, brake 410 is switched to duty by off position, and namely the second planet row ring gear 340 maintains static by separating with housing 100 to be movably switched to be connected with housing 100.
nullWhen reversing gear，Drive motor reversion (contrary with forward direction)，Clutch 420 (normally opened) does not work，Namely state is maintained a normally open，Jackshaft 140 separates with the second planet row planet carrier 310，Brake 410 works，Play braking action，Second planet row ring gear 340 maintains static，The power of drive motor is delivered to first planet row's sun gear 220 by drive motor axle 110 end，First planet row's sun gear 220 is ranked star-wheel I230 and first planet seniority among brothers and sisters star-wheel II240 by first planet and is transferred power to first planet row's ring gear 250，First planet row's ring gear 250 transfers power to jackshaft 140 again，Jackshaft 140 drives connected second planet row sun gear 320，Second planet row sun gear 320 transfers power to the second planet row planetary gear 330 engaged，Second planet row planetary gear 330 not only rotation but also revolve round the sun，Second planet row planetary gear 330 drives the second planet row planet carrier 310 to rotate，Second planet row planet carrier 310 transfers power to coupled output shaft 150 again，Realize the output of power，Car load is made to swing to traveling.
During neutral, clutch 420 (normally opened) and brake 410 all keep off position so that drive motor axle 110 and output shaft 150 are in released state, have cut off the transmission of power.
When car load need to be braked with a gear traveling, drive motor is switched to generator mode by electric motor mode, and drive system is played braking action, and the traveling kinetic energy of car load is converted to electric energy.
When car load need to be braked with two gear travelings, drive motor is switched to generator mode by electric motor mode, and clutch 420 (normally opened) does not work, and brake 410 works, and drive system plays dragging effect, improves the organic efficiency of braking energy.
The gearshift executive component of this power drive system is operated according to table 1.
In table 1, "○" represents that separation, "●" represent that combination, B represent that brake 410, Cl represents clutch 420 (normally opened).
Although embodiment of the present utility model is disclosed as above, but listed utilization that it is not restricted in description and embodiment, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, it is easily achieved other amendment, therefore, under the general concept limited without departing substantially from claim and equivalency range, this utility model is not limited to specific details and shown here as the legend with description.
Claims (10)
1. the electric driver based on double planet wheel rows of mixing two shift transmission, it is characterised in that including:
Drive system housing；
Drive motor, it is arranged in drive system housing, and has the output shaft of output power；
First planet gear train, it includes first planet row's sun gear, first planet seniority among brothers and sisters carrier, first planet seniority among brothers and sisters star-wheel I, first planet seniority among brothers and sisters star-wheel II and first planet row's ring gear；
Described first planet row's sun gear, it connects the output shaft of described drive motor；First planet seniority among brothers and sisters carrier is jointly fixing connects described first planet seniority among brothers and sisters star-wheel I and first planet seniority among brothers and sisters star-wheel II, and described first planet seniority among brothers and sisters carrier is fixing connects drive system housing；
Jackshaft, it connects described first planet row's ring gear, arranges ring gear with described first planet and jointly rotates；
Second epicyclic train, it includes the second planet row sun gear, the second planet row planetary gear, the second planet row planet carrier and the second planet row ring gear；
Described second planet row sun gear, it connects described jackshaft；
Brake, it is arranged between drive system housing and described second planet row ring gear, optionally makes drive system housing and described second planet row internal tooth coil combine and separate；
Clutch, it is arranged between described jackshaft and described second planet row planet carrier, optionally makes described jackshaft and described second planet row planet carrier combine and separate；
Described second planet row planet carrier, its fixing connection output shaft；
Wherein, when selecting a gear, described brake combines, described clutch separation；When selecting two gears, described brake separates, and described clutch combines.
2. the electric driver based on double planet wheel rows of mixing two shift transmission as claimed in claim 1, it is characterised in that described power drive system housing includes the first accommodation chamber and second and holds chamber, arranges inwall between described first accommodation chamber and the second accommodation chamber.
3. the electric driver based on double planet wheel rows of mixing two shift transmission as claimed in claim 2, it is characterised in that described first planet seniority among brothers and sisters carrier is fixing connects described inwall.
4. the electric driver based on double planet wheel rows of mixing two shift transmission as claimed in claim 3, it is characterised in that described first holds laying drive motor in chamber, described second holds laying first planet gear train and the second epicyclic train in chamber.
5. the electric driver based on double planet wheel rows of mixing two shift transmission as claimed in claim 4, it is characterized in that, being provided with through hole in described second accommodation chamber, described output shaft is rotatably supported on described through hole and passes described through hole and is connected to described drive system hull outside.
6. the electric driver based on double planet wheel rows of mixing two shift transmission as claimed in claim 1, it is characterised in that described drive motor also includes:
Rotor, its fixing connection drive motor axle；
Stator, it is fixed with described drive system housing and is connected.
7. the electric driver based on double planet wheel rows of mixing two shift transmission as claimed in claim 3, it is characterised in that also include:
The braking dish of described brake is connected with described second planet row ring gear, and the brake hub of described brake is connected with described drive system housing；
The clutch disk of described clutch is connected with described jackshaft, and the clutch hub of described clutch is connected with described second planet row planet carrier.
8. the electric driver based on double planet wheel rows of mixing two shift transmission described in as any one of claim 1-7, it is characterised in that also include:
Described first planet row's sun gear is arranged on the output shaft end of described drive motor by spline, and described first planet row's ring gear is arranged on described jackshaft by spline；
Described second planet row sun gear is arranged on described jackshaft by spline, and described second planet row planetary gear is arranged on described second planet row planet carrier by needle bearing.
9. as described in claim 8 based on the electric driver of double planet wheel rows of mixing two shift transmission, it is characterised in that described drive motor switches to generator mode when car is braked.
10. as described in claim 8 based on the electric driver of double planet wheel rows of mixing two shift transmission, it is characterized in that, when selecting to reverse gear, described brake combines, described clutch separation, the Reverse Power of described drive motor is transferred to output shaft by described second planet row planet carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620066261.8U CN205371519U (en) | 2016-01-22 | 2016-01-22 | Electric drive device based on double row star is arranged two and is kept off derailleur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620066261.8U CN205371519U (en) | 2016-01-22 | 2016-01-22 | Electric drive device based on double row star is arranged two and is kept off derailleur |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205371519U true CN205371519U (en) | 2016-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620066261.8U Expired - Fee Related CN205371519U (en) | 2016-01-22 | 2016-01-22 | Electric drive device based on double row star is arranged two and is kept off derailleur |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205371519U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570419A (en) * | 2016-01-22 | 2016-05-11 | 吉林大学 | Electric driving device based on double-planet-row two-gear transmission |
| CN110657204A (en) * | 2018-06-29 | 2020-01-07 | 比亚迪股份有限公司 | Transmission, power driving system and vehicle |
| CN112440731A (en) * | 2019-08-27 | 2021-03-05 | 比亚迪股份有限公司 | Hub reduction gear, hub power assembly and vehicle |
-
2016
- 2016-01-22 CN CN201620066261.8U patent/CN205371519U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570419A (en) * | 2016-01-22 | 2016-05-11 | 吉林大学 | Electric driving device based on double-planet-row two-gear transmission |
| CN110657204A (en) * | 2018-06-29 | 2020-01-07 | 比亚迪股份有限公司 | Transmission, power driving system and vehicle |
| CN110657204B (en) * | 2018-06-29 | 2022-04-15 | 比亚迪股份有限公司 | Transmission, power driving system and vehicle |
| CN112440731A (en) * | 2019-08-27 | 2021-03-05 | 比亚迪股份有限公司 | Hub reduction gear, hub power assembly and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20210122 |