CN206186782U - Furthermore, - Google Patents
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- CN206186782U CN206186782U CN201621066078.4U CN201621066078U CN206186782U CN 206186782 U CN206186782 U CN 206186782U CN 201621066078 U CN201621066078 U CN 201621066078U CN 206186782 U CN206186782 U CN 206186782U
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Abstract
The utility model discloses a furthermore, , including hollow rotor brushless DC motor, hollow rotor brushless DC motor's the hollow rotor of sun gear is as the sun gear of first order planet gear reducer system, carry out the power input, realize the folk art term variable speed through second level planet gear reducer, the hollow rotor of sun gear has the centre bore that link up and is convenient for driven half shaft and therefrom passes and carry out power transmission, it realizes the combination of two planet gear reducer systems of group and breaks away from to drive the shift fork of shifting through shift motor, realize the switching of height velocity ratio, pass through bevel gear differential mechanism, realize the differential function of output. According to the utility model discloses a furthermore, has realized motor homoenergetic under different work condition and has optimized the motor structure simultaneously through the high efficiency output that the folk art term slows down and realizes the motor, accomplishes high transmission efficiency, compact structure, and the quality is light and handy, is convenient for install and arrange.
Description
Technical field
The utility model is related to a kind of motor in electric automobile dynamical system, more particularly to a kind of sleeve rotor motor and folk art term
Planetary reduction gear band differential electric automobile dynamic system.
Background technology
Electric automobile (BEV) refers to, with vehicle power as power, to be travelled with power wheel, meets road traffic, peace
The vehicle of full regulation requirements.
The dynamical system of electric automobile is typically made up of the drivetrain components such as motor and decelerator, differential mechanism, garage
When sailing, operated by controlling drive motor by battery output electric energy, the torque of motor output is through transmission system band motor-car
Wheel advances or retreats.Current power system of electric automobile, most of entered using common gear single-stage speed reducing and differential
Row machine driving,
Motor is worked by driving transmission system outside drive axle.And power index according to vehicle and
Motor output characteristics, it tends to be difficult to the max. speed of automobile, max. climb slope are met by single-stage speed reducing and during to acceleration
Between requirement, in order in the case of single-stage speed reducing realize accelerate and climbing performance, the power and stand-by power of motor
The ratio that will be designed is larger, so that the volume and quality of motor can also increase, and can prevent motor from being often operated in
Near peak power, so as to the efficiency for causing motor declines.Motor volume increases so that the installation of motor and drive axle
Become increasingly complex, while motor is excessive diminished road clearance of the electric vehicle chassis near drive axle, influence vehicle
It is chronically under severe working environment by property, and motor so that motor life and performance are a greater impact.
For electric automobile, due to max. speed to be met and acceleration requirement, meet again climbing capacity and
Load request, therefore how design motivation system and power system parameter to be matched, allow electric automobile to reach set
Vehicle performance target, including climbing, acceleration, continual mileage etc., moreover it is possible to the high efficiency work of motor is realized under different operating modes
Make, and dynamical system size, weight are optimized, further improve the power performance and course continuation mileage of electric automobile, have
Important meaning.
Utility model content
The purpose of this utility model is to provide a kind of power system of electric automobile, and different groups are used by different speeds
The gearratio of conjunction improves transmission efficiency, strengthens climbing capacity；Reduce power of motor by low speed ratio high simultaneously, increase battery
Course continuation mileage, extends battery life, is a kind of energy-efficient, good dynamic property, and compact conformation, quality is light and handy, life and reliability
Power system of electric automobile high.
Therefore, the utility model provides a kind of sleeve rotor motor and folk art term planetary reduction gear band differential electric automobile power
System, including sleeve rotor brshless DC motor, sleeve rotor brshless DC motor are connected with sun gear sleeve rotor, sun gear
Sleeve rotor is input into as the sun gear of first order planetary reduction gear train as power, first order planetary reduction gear train connection the
Two-stage planetary reduction train realizes folk art term speed change, and second level planetary reduction gear train connection electric shifting fork selector realizes low speed ratio high
Switching；The semiaxis that sun gear sleeve rotor has the centre bore of insertion and is used for driving moment is extended there through into action edge transmission.
Further to improve, the connection of first order planet carrier one and the first order of the first order planetary reduction gear train export method
Orchid, first order output flange fixed sleeves are provided with engagement sliding gear collar, and first order output flange passes through to slide with sliding gear collar is engaged
Dynamic groove is slidably connected；The first internal gear and the second internal gear are set on engagement sliding gear collar；Second level planet carrier two be fixed with
The first external toothing that first internal gear coordinates；The second external toothing coordinated with the second internal gear is formed with the sun gear of the second level；
Electric shifting fork selector connection engagement sliding gear collar；
Electric shifting fork selector drives engagement sliding gear collar to slide, when the second internal gear is engaged with the second external toothing, the
One internal gear and the first external toothing depart from, by second level sun gear input power, so as to realize two stage speed change；
Electric shifting fork selector drives engagement sliding gear collar to slide, when engaging the first internal gear and the first external toothing, the
Two internal gears and the second external toothing depart from, by the input power of second level planet carrier two, so as to realize one-level speed change.
Further to improve, the electric shifting fork selector promotes engagement sliding gear collar defeated in the first order by selector fork
Go out on flange to move to realize gearshift, selector fork is carried out by being fixed on the shift fork sliding axle in the mounting shell body of middle part
Sliding support.
Further to improve, the selector fork of the electric shifting fork selector has cylindrical pin structure, and by gearshift
Spiral line trenches in helix drive shaft are coordinated to be rotated straight line with the cylinder latch structure of selector fork
The conversion of motion.
Further to improve, the gear helix drive shaft of the electric shifting fork selector passes through shift motor and is fixed on
Two bearings in the mounting shell body of middle part are driven and rotate support.
Further to improve, the semiaxis of the driving moment bores tooth through the centre bore connection of sun gear sleeve rotor insertion
Wheel differential mechanism, bevel differential is connected with the second level planet carrier one of second level planetary reduction gear train.
Further to improve, the bevel differential is arranged in double reduction planetary gear differential case, and bevel gear is poor
The differential mechanism end cap of fast device is provided with the oil seal of differential for being sealed and supports differential mechanism taper roll bearing with rotation is carried out.
Further to improve, the machine winding Stator and electrical machine housing of the sleeve rotor brshless DC motor is fixed on one
Rise, motor output end flange, motor tail cover and electric machine casing are bolted；Electricity is installed in motor output end flange
Machine rotor output end oil sealing and rotor taper roll bearing；Be provided with motor tail cover rotor ball bearing and
Rotor tail end oil sealing, the rotation for realizing sun gear sleeve rotor is supported and sealed.
Further to improve, the first order planetary reduction gear train includes sun gear sleeve rotor as sun gear, the sun
Wheel sleeve rotor engages three first order planetary gears, and first order planetary gear is arranged on first order planet carrier two and first order planet carrier
On one；Sun gear sleeve rotor is connected by bearing with first order planet carrier two, the connection first order output of first order planet carrier one
Flange, first order output flange connects second level sun gear by bearing, and second level sun gear engages three second level planetary gears,
Second level planetary gear is arranged on second level planet carrier one and second level planet carrier two；First order planet carrier two and first order planet
Frame one is connected by screw fixation；Second level planet carrier one and second level planet carrier two are connected by screw fixation.
Further to improve, the first order planetary reduction gear train connection second level planetary reduction gear train subtracts installed in two grades
In speed planetary gear differential box；The motor output end flange of sleeve rotor brshless DC motor and double reduction planetary gear differential
First order internal-gear shell in case is connected by bolt.
According to sleeve rotor motor of the present utility model and folk art term planetary reduction gear band differential electric automobile dynamic system, realize
Driven for the motor high efficiency under vehicle dynamic quality requirement and different operating modes, reached steady, energy-conservation, high performance machine
Tool double reduction is driven, and total quality is light, and realizes being co-axially mounted by sleeve rotor brshless DC motor so that motor is not
Taking unnecessary installing space, compact conformation, and secondary transmission again can cause that further reduction can meet car to power of motor
The requirement of dynamic property.
It is other purposes that the utility model has, feature, excellent outside feature and advantage except purpose described above
Point, will be described in further details with reference to accompanying drawing.
Brief description of the drawings
Constitute this specification a part, for further understand accompanying drawing of the present utility model used it is of the present utility model
Preferred embodiment, and be used for illustrating principle of the present utility model together with specification, in figure：
Fig. 1 is according to sleeve rotor motor of the present utility model and folk art term planetary reduction gear band differential electric automobile dynamic system
Overall schematic；
Fig. 2 is according to sleeve rotor motor of the present utility model and folk art term planetary reduction gear band differential electric automobile dynamic system
Structural representation；
Fig. 3 is according to sleeve rotor motor of the present utility model and folk art term planetary reduction gear band differential electric automobile dynamic system
Structural decomposition diagram；
Fig. 4 is according to sleeve rotor motor of the present utility model and folk art term planetary reduction gear band differential electric automobile dynamic system
Electric shifting fork selector structural representation；
Description of reference numerals
1：Sleeve rotor brshless DC motor； 2：Double reduction planetary gear differential case；
3：Electric shifting fork selector； 4：Oil seal of differential；
5：Differential mechanism end cap； 6：Differential mechanism taper roll bearing；
7：Bevel differential； 8：Second level planet carrier one；
9：Second level internal-gear shell； 10：Second level planetary gear；
11：Second level planet carrier two； 12：External toothing gear ring；
13：Engagement sliding gear collar； 14：Second level sun gear；
15：First order output flange； 16：Middle part is installed by housing；
17：First order planet carrier one； 18：First order planetary gear；
19：First order planet carrier two； 20：First order internal-gear shell；
21：Sun gear sleeve rotor； 22：Rotor taper roll bearing；
23：Rotor output end oil sealing； 24：Motor output end flange；
25：Electric machine casing； 26：Machine winding stator；
27：Motor tail cover； 28：Rotor ball bearing；
29：Rotor tail end oil sealing； 30：Selector fork；
31：Shift fork sliding axle； 32：Gear shift helix drive shaft；
33：Shift motor； 34：First internal gear
35：Second internal gear 36：First external toothing
37：Second external toothing 38：Sliding channel.
Specific embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
A kind of sleeve rotor motor of the present utility model and folk art term planetary reduction gear band differential electric automobile dynamic system pass through
Double reduction and sleeve rotor brshless DC motor, realize motor can realize electricity under different operating modes by folk art term deceleration
The high efficiency output of machine, while optimizing electric machine structure, accomplishes transmission efficiency, and compact conformation, quality is light and handy, is easily installed and cloth
Put.
Fig. 1 is according to sleeve rotor motor of the present utility model and folk art term planetary reduction gear band differential electric automobile dynamic system
Overall schematic.As shown in figure 1, sleeve rotor motor and folk art term planetary reduction gear band differential electric automobile dynamic system include sky
Heart rotor brushless DC motor, double reduction planetary gear differential case, wherein electric shifting fork selector, sleeve rotor brushless direct-current
Motor is used to provide driving power, and enables that the automobile axle shaft of driving moment passes through motor connection by sleeve rotor structure
To differential mechanism, being co-axially mounted for motor and transmission system is realized so that overall structure is compacter.Double reduction planetary gear is poor
Fast case is used to provide secondary planetary gear deceleration and differential function.It is poor that electric shifting fork selector is arranged on double reduction planetary gear
On fast case, the gearshift for realizing planetary gear speed-reduction switches.
Fig. 2 and Fig. 3 are sleeve rotor motor of the present utility model and folk art term planetary reduction gear band differential electric automobile power system
The structural representation of system, as shown in Fig. 2 have two planetary reduction gear trains inside double reduction planetary gear differential case, motor
Sun gear sleeve rotor is engaged and drives first order planetary gear, and first order planetary gear is engaged with first order internal-gear shell, while
Three first order planetary gears are connected by first order planet carrier with first order output flange, complete the deceleration output of the first order,
Simultaneously by the engagement of electronic selector, second level sun gear can be driven by the planet carrier of first order planetary reduction gear train, be realized
Two stage speed change.By the engagement of electronic selector, second level planet carrier directly can also be driven by first order planet carrier, realize one-level
Speed change, second level planet carrier is connected to bevel differential, by the left and right axle shaft gear inside differential mechanism, the connection by semiaxis
Power is passed into tire.
As shown in Figures 2 and 3, the electric machine casing of sleeve rotor brshless DC motor is fixed with machine winding stator, motor
Sun gear sleeve rotor rotation support and fixed, sun gear are provided by motor output end flange and motor tail cover
The output shaft of sleeve rotor one end is gear shaft, for driving first order planet circular system.
Wherein, rotor taper roll bearing and rotor output end oil are installed in motor output end flange
Envelope, the sun gear sleeve rotor of motor is rotated by electronics rotor taper roll bearing, and by rotor output end
Oil sealing is sealed, and prevents the lubricating oil in double reduction planetary gear differential case from flowing into motor internal, while motor output end
Flange can be attached by screw with the flange face of first order internal-gear shell, so as to by motor and double reduction planetary gear
Differential box is fixed integral.
Wherein, motor tail cover is bolted with electric machine casing, and motor tail cover is also equipped with electronics rotor
Ball bearing and electronics rotor tail end oil sealing, tail support and sealing for realizing sun gear sleeve rotor.
As shown in Figures 2 and 3, the sun gear sleeve rotor of motor is connected with the bearing in first order planet carrier one so that
Planet carrier can be fixed and rotated around sun gear, while first order planet carrier one and first order planet carrier two and three the
The bearing at primary planet wheel center is connected, and first order planetary gear engages composition planetary gear wheel with first order internal-gear shell again
System, while first order planet carrier is connected by with first order output flange, realize first order planetary reduction gear and by with the first order
Engagement sliding gear collar that output flange is connected with chute exports power.
As shown in Figures 2 and 3, second level sun gear and second level planet carrier one and the bicentric axle of second level planet carrier
Hold connection, and the shaft shoulder by second level sun gear realizes that planet carrier is supported around the rotation of sun gear, while second level planet
Frame one and second level planet carrier two are connected by the bearing with three second level planetary gear center, and second level planet carrier one leads to
Cross and be connected with bevel differential planet carrier, realize second level planetary reduction gear and power is exported by differential carrier.
Fig. 4 is according to sleeve rotor motor of the present utility model and folk art term planetary reduction gear band differential electric automobile dynamic system
Electronic plug selector schematic diagram, as shown in figure 3, selector fork is interlocked by semi-circular structure with sliding gear collar is engaged, engagement
Draw-in groove is provided with sliding gear collar to be used for, and is embedded among draw-in groove by selector fork and is realized selector fork and engage sliding gear collar
Linkage, while engage sliding gear collar draw-in groove be provided with certain interval for ensure engage sliding gear collar rotary motion, change
Keep off on the plug sliding axle that shift fork can be installed on housing in the middle part of being fixed on and certain distance can be realized on shift fork sliding axle
Slip, while be provided with selector fork cylinder latch structure and insert gearshift helix drive shaft on helix groove in, lead to
Cross the rotation of helix drive shaft to realize moving left and right for selector fork, helix drive shaft is by being fixed on middle part mounting shell
Internal bearing and shift motor realize rotation, so as to complete gear shifting action.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification made, equivalent, improve etc., should be included within protection domain of the present utility model.
Claims (10)
1. a kind of sleeve rotor motor and folk art term planetary reduction gear are with differential electric automobile dynamic system, it is characterised in that including sky
Heart rotor brushless DC motor (1), sleeve rotor brshless DC motor (1) is connected with sun gear sleeve rotor (21), sun gear
Sleeve rotor (21) is input into as the sun gear of first order planetary reduction gear train as power, and first order planetary reduction gear train connects
Connect second level planetary reduction gear train and realize folk art term speed change, second level planetary reduction gear train connects electric shifting fork selector (3) and realizes
Low speed high than switching；The centre bore of sun gear sleeve rotor (21) with insertion be used for driving moment semiaxis extend there through into
Action edge is transmitted.
2. sleeve rotor motor as claimed in claim 1 and folk art term planetary reduction gear are with differential electric automobile dynamic system, and it is special
Levy and be, the connection of first order planet carrier one and the first order output flange (15), the first order of the first order planetary reduction gear train
Output flange (15) fixed sleeves be provided with engagement sliding gear collar (13), first order output flange (15) with engage sliding gear collar (13)
It is slidably connected by sliding channel (38)；The first internal gear (34) and the second internal gear (35) are set in engagement sliding gear collar (13)；
Second level planet carrier two (11) is fixed with the first external toothing (36) coordinated with the first internal gear (34)；Second level sun gear (14)
On be formed with the second internal gear (35) coordinate the second external toothing (37)；Electric shifting fork selector (3) connection engagement slide teeth
Set (13)；
Electric shifting fork selector (3) drives engagement sliding gear collar (13) to slide, and makes the second internal gear (35) and the second external toothing
(37) when engaging, the first internal gear (34) and the first external toothing (36) disengaging, by second level sun gear (14) input power, from
And realize two stage speed change；
Electric shifting fork selector (3) drives engagement sliding gear collar (13) to slide, and makes the first internal gear (34) and the first external toothing
(36) when engaging, the second internal gear (35) departs from the second external toothing (37), by the input power of second level planet carrier two (11),
So as to realize one-level speed change.
3. sleeve rotor motor as claimed in claim 2 and folk art term planetary reduction gear are with differential electric automobile dynamic system, and it is special
Levy and be, the electric shifting fork selector (3) promotes engagement sliding gear collar (13) to be exported in the first order by selector fork (30)
Moved on flange (15) realize gearshift, selector fork (30) by be fixed on middle part mounting shell body in shift fork sliding axle
(31) slidably supported.
4. sleeve rotor motor as claimed in claim 3 and folk art term planetary reduction gear are with differential electric automobile dynamic system, and it is special
Levy and be, the selector fork (30) of the electric shifting fork selector (3) is driven with cylindrical pin structure by helix of shifting gears
Spiral line trenches on moving axis (32) are coordinated to be rotated straight line with the cylinder latch structure of selector fork (30)
The conversion of motion.
5. sleeve rotor motor as claimed in claim 4 and folk art term planetary reduction gear are with differential electric automobile dynamic system, and it is special
Levy and be：Gear helix drive shaft (32) of the electric shifting fork selector (3) is by shift motor (33) and is fixed on
Two bearings in portion's mounting shell body are driven and rotate support.
6. sleeve rotor motor as claimed in claim 1 and folk art term planetary reduction gear are with differential electric automobile dynamic system, and it is special
Levy and be, the semiaxis of the driving moment connects bevel differential through the centre bore of sun gear sleeve rotor (21) insertion
(7), bevel differential (7) is connected with the second level planet carrier one (8) of second level planetary reduction gear train.
7. sleeve rotor motor as claimed in claim 6 and folk art term planetary reduction gear are with differential electric automobile dynamic system, and it is special
Levy and be, the bevel differential (7) is interior installed in double reduction planetary gear differential case (2), bevel differential (7)
Differential mechanism end cap (5) is provided with the oil seal of differential (4) that is sealed and carries out rotation supports differential mechanism taper roll bearing
(6)。
8. sleeve rotor motor as claimed in claim 1 and folk art term planetary reduction gear are with differential electric automobile dynamic system, and it is special
Levy and be, the machine winding stator (26) and electric machine casing (25) of the sleeve rotor brshless DC motor are fixed together, electricity
Machine output flange (24), motor tail cover (27) are bolted with electric machine casing (25)；Motor output end flange
(24) rotor output end oil sealing (23) and rotor taper roll bearing (22) are installed in；Peace in motor tail cover
Equipped with rotor ball bearing (28) and rotor tail end oil sealing (29), the rotation for realizing sun gear sleeve rotor (21)
Turn support and seal.
9. sleeve rotor motor as described in claim 1-8 is any and folk art term planetary reduction gear band differential electric automobile power system
System, it is characterised in that the first order planetary reduction gear train includes sun gear sleeve rotor (21) as sun gear, sun bye
Heart rotor (21) engages three first order planetary gears (18), first order planetary gear (18) installed in first order planet carrier two (19) and
On first order planet carrier one (17)；Sun gear sleeve rotor (21) is connected by bearing with first order planet carrier two (19), and first
Level planet carrier one (17) connects first order output flange (15), and first order output flange (15) connects the second level sun by bearing
Wheel (14), second level sun gear (14) engages three second level planetary gears (10), and second level planetary gear (10) is installed in the second level
On planet carrier one (8) and second level planet carrier two (11)；First order planet carrier two (19) and first order planet carrier one (17) pass through
Mode connects for screw is fixed；Second level planet carrier one (8) and second level planet carrier two (11) are connected by screw fixation.
10. sleeve rotor motor as claimed in claim 1 and folk art term planetary reduction gear are with differential electric automobile dynamic system, and it is special
Levy and be, the first order planetary reduction gear train connection second level planetary reduction gear train is arranged on double reduction planetary gear differential
In case (2)；In the motor output end flange and double reduction planetary gear differential case (2) of sleeve rotor brshless DC motor (1)
First order internal-gear shell (20) by bolt be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621066078.4U CN206186782U (en) | 2016-09-20 | 2016-09-20 | Furthermore, |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621066078.4U CN206186782U (en) | 2016-09-20 | 2016-09-20 | Furthermore, |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206186782U true CN206186782U (en) | 2017-05-24 |
Family
ID=58729542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621066078.4U Expired - Fee Related CN206186782U (en) | 2016-09-20 | 2016-09-20 | Furthermore, |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206186782U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143131A (en) * | 2016-09-20 | 2016-11-23 | 湖南早禾新能源汽车有限公司 | Sleeve rotor motor and folk art term planetary reduction gear band differential electric automobile dynamic system |
| CN110371676A (en) * | 2019-07-19 | 2019-10-25 | 大连理工大学 | A kind of novel pure electric vehicle powder conveying device |
| WO2023216247A1 (en) * | 2022-05-13 | 2023-11-16 | 舍弗勒技术股份两合公司 | Actuator and gear shifting system |
-
2016
- 2016-09-20 CN CN201621066078.4U patent/CN206186782U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143131A (en) * | 2016-09-20 | 2016-11-23 | 湖南早禾新能源汽车有限公司 | Sleeve rotor motor and folk art term planetary reduction gear band differential electric automobile dynamic system |
| CN110371676A (en) * | 2019-07-19 | 2019-10-25 | 大连理工大学 | A kind of novel pure electric vehicle powder conveying device |
| WO2023216247A1 (en) * | 2022-05-13 | 2023-11-16 | 舍弗勒技术股份两合公司 | Actuator and gear shifting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20210920 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |