CN205792018U - A kind of integrated drive device of electric automobile - Google Patents
A kind of integrated drive device of electric automobile Download PDFInfo
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- CN205792018U CN205792018U CN201620348326.8U CN201620348326U CN205792018U CN 205792018 U CN205792018 U CN 205792018U CN 201620348326 U CN201620348326 U CN 201620348326U CN 205792018 U CN205792018 U CN 205792018U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
This utility model relates to the integrated drive device of a kind of electric automobile, is made up of driving motor, decelerator and the differential mechanism being arranged in housing, motor shaft output has the first shaft gear；On jackshaft, fixed cover is equipped with primary speed-down gear, parking gear, the second shaft gear the most successively；Motor shaft is arranged in parallel with jackshaft, motor shaft be internally provided with power transmission shaft, one end of power transmission shaft is connected with the first axle shaft gear spline, and the power transmission shaft other end is connected with the Formation of Axle Shaft Spline of vehicle；First shaft gear engages with primary speed-down gear, double-reduction gear is nested with on differential mechanism shell, differential mechanism enclosure is fixed with planetary gear, planetary gear and the first axle shaft gear and the second axle shaft gear engage, second axle shaft gear is connected with the Formation of Axle Shaft Spline of vehicle, and parking gear is connected with hull outside halting mechanism.There is compact conformation, radial dimension is little and integrated level is high advantage, it is possible to increase the motility that drive system is arranged on car load.
Description
Technical field
This utility model belongs to the technical field of drive device for electric vehicle, is specifically related to the integrated drive device of a kind of electric automobile.
Background technology
Vehicle exhaust is considered as to cause one of Global Emissions of Greenhouse Gas aggravation, various places haze takes place frequently and environmental problem highlights day by day arch-criminal, appearance along with the constantly Abgasgesetz of consumption and increasingly stringent of petroleum-based energy, new-energy automobile is little as one discharge, polluting few vehicles and obtained the extensive attention of each car load factory, development new-energy automobile has become the instant task of automobile industry.Except parts such as the electromotor of orthodox car, variator, decelerator, differential mechanisms, the power assembly of new-energy automobile also add the parts such as driving electric motor and controller system, electrokinetic cell.Driving means in most electric motor cars uses independent assemblies such as driving motor, decelerator, differential mechanism to be connected by end face.There is problems of each independent assembly volume big, heavier-weight.
Big for driving means volume, the problems such as amount of parts is many, the integrated design of driving means becomes one of method of solution problem.Patent CN201792742U discloses a kind of driving means driving motor and change speed gear box integrated, and electric machine casing and gear box casing use integrative-structure, and both can coaxially export can also the output of different axle, but be not carried out with box of tricks integrated.Patent CN103036353A discloses a kind of miniature speed governing deceleration integrated electric motor, it is achieved that driving the integrated of motor and reducing gear, reducing gear is epicyclic reduction gear unit, but unrealized integrated with differential mechanism.Patent CN202716729U discloses a kind of Motor for Electric Automobile and change speed gear box integrated electric force driving device, motor rotor rack is hollow structure, differential mechanism is positioned in rotor field spider, the housing of differential mechanism is connected with the inner side of rotor field spider, planetary gear reducing mechanism is connected respectively in both sides, the planet carrier central shaft of two planetary gear reducing mechanisms is connected with homonymy vehicle semiaxle respectively, achieve driving motor, decelerator, differential mechanism integrated, but use two planetary gear reducing mechanisms, there is amount of parts many, axial dimension is longer, the problems such as assembly quality is big.
Summary of the invention
For the deficiency of above-mentioned prior art, the purpose of this utility model is to provide the integrated drive device of a kind of electric automobile, has compact conformation, radial dimension is little and integrated level is a high advantage, it is possible to increase the motility that drive system is arranged on car load.
The purpose of this utility model is achieved through the following technical solutions:
The integrated drive device of a kind of electric automobile, is made up of driving motor, decelerator and the differential mechanism being arranged in same housing 1, and described driving motor includes motor shaft 11, and on described motor shaft 11 outfan, fixed cover is equipped with the first shaft gear 15；Described decelerator include jackshaft 26, on described jackshaft 26, fixed cover is equipped with primary speed-down gear 29, parking gear the 28, second shaft gear 26a the most successively；Described motor shaft 11 is arranged in parallel with jackshaft 26, and described motor shaft 11 is hollow axle, motor shaft 11 be internally provided with power transmission shaft 10, one end of power transmission shaft 10 is connected with the first axle shaft gear 24 spline, and power transmission shaft 10 other end is connected with the Formation of Axle Shaft Spline of vehicle；The first described shaft gear 15 engages with the primary speed-down gear 29 of decelerator, double-reduction gear 25 is nested with on differential mechanism shell 18, differential mechanism shell 18 is internal is fixed with planetary gear 20, planetary gear 20 engages with the first axle shaft gear 24 and the second axle shaft gear 23, second axle shaft gear 23 is connected with the Formation of Axle Shaft Spline of vehicle, and described parking gear 28 is connected with hull outside halting mechanism.
A kind of improvement project of the present utility model, described driving motor is permagnetic synchronous motor.
A kind of improvement project of the present utility model, described housing 1 is cast with cooling water channel, cools down motor stator 2 by the way of water-cooled.
A kind of improvement project of the present utility model, cooling oil jacket 31 is installed on described housing 1, rubber seal 30 is installed between cooling oil jacket 31 and housing 1, cooling oil jacket 31 has nozzle opening, cooling oil by nozzle opening, the winding overhang of motor stator 2 is directly cooled down.
A kind of improvement project of the present utility model, described driving motor also includes rotor 3, rotary transformer 5, motor right bearing 6, motor shaft 11, motor left bearing 12, motor shaft oil sealing 13 and electric motor end cap 4, described motor shaft 11 one end supports on electric motor end cap 4 by motor right bearing 6, the other end is supported on housing 1 by motor left bearing 12, and rotary transformer 5 is arranged in the outer end of motor shaft 11 and is positioned at electric motor end cap 4 inner face.
A kind of improvement project of the present utility model, the first described shaft gear 15 is supported on differential support lid and described housing 1 by primary shaft bearing 14, first shaft gear 15 is connected by spline with motor shaft 11, and primary speed-down gear 29 is connected by spline with jackshaft 26；The second described shaft gear 26a is one-body molded on jackshaft 26, and the second shaft gear 26a is meshed with double-reduction gear 25；Double-reduction gear 25 is connected with differential mechanism shell 18 bolt.
The beneficial effects of the utility model are as follows:
Driving motor and differential mechanism are arranged in same axis by the integrated drive device of a kind of electric automobile that this utility model provides, assembly radial dimension is little, compact conformation and the high advantage of integrated level to make it compared with prior art have, and improves the motility that car load dynamical system arranges and is greatly improved.The power driving motor to produce in this utility model directly inputs to decelerator by motor shaft, decreases power loss, improves transmission efficiency.This utility model is used for New-energy electric vehicle can realize driving the rotating speed of motor to control automobile by controlling, it is to avoid the trouble that gearshift brings.
Accompanying drawing explanation
Fig. 1 is the sectional view of a kind of integrated driving device for electric vehicle water-cooled machine scheme of this utility model；
Fig. 2 is the sectional view of a kind of integrated driving device for electric vehicle oil-cooled motor scheme of this utility model；
Fig. 3 is the structural representation of the jackshaft of a kind of integrated driving device for electric vehicle of the present invention.
nullIn figure: 1 housing 2 motor stator 3 rotor 4 electric motor end cap 5 rotary transformer 6 motor right bearing 7 transmission shaft bearing 8 power transmission shaft oil sealing 9 rear end cap 10 power transmission shaft 11 motor shaft 12 motor left bearing 13 motor shaft oil sealing 14 primary shaft bearing 15 first shaft gear 16 differential support lid 17 differential mechanism right bearing 18 differential mechanism shell 19 decelerator end cap 20 planetary gear 21 differential mechanism left bearing 22 output shaft oil sealing 23 second axle shaft gear 24 first axle shaft gear 25 double-reduction gear 26 jackshaft 27 midship shaft bearing 28 parking gear 29 primary speed-down gear 30 rubber seal 31 cools down oil jacket 26a the second shaft gear
Specific embodiments
Describe specific embodiments of the present utility model below in conjunction with the accompanying drawings in detail.
As shown in Figure 1, a kind of integrated drive device of electric automobile, by the driving motor being arranged in same housing 1, decelerator and differential mechanism composition, it is characterized in that: on described motor shaft 11 outfan driving motor, fixed cover is equipped with the first shaft gear 15, on the jackshaft 26 of decelerator, fixed cover is equipped with primary speed-down gear 29 the most successively, parking gear 28, second shaft gear 26a, described motor shaft 11 is arranged in parallel with jackshaft 26, described motor shaft 11 is hollow axle, motor shaft 11 be internally provided with power transmission shaft 10, one end of power transmission shaft 10 is connected with the first axle shaft gear 24 spline, power transmission shaft 10 other end is connected with the Formation of Axle Shaft Spline of vehicle；The first described shaft gear 15 engages with the primary speed-down gear 29 of decelerator, double-reduction gear 25 is nested with on differential mechanism shell 18, differential mechanism shell 18 is internal is fixed with planetary gear 20, planetary gear 20 engages with the first axle shaft gear 24 and the second axle shaft gear 23, second axle shaft gear 23 is connected with the Formation of Axle Shaft Spline of vehicle, and described parking gear 28 is connected with hull outside halting mechanism.
Described driving motor is permagnetic synchronous motor, compared with other type motor, can realize higher power density and higher efficiency.It is cast with cooling water channel on described housing 1, by the way of water-cooled, motor stator 2 is cooled down.As in figure 2 it is shown, be provided with cooling oil jacket 31 on described housing 1, installing rubber seal 30 between cooling oil jacket 31 and housing 1, cooling oil jacket 31 has nozzle opening, the winding overhang of motor stator 2 is directly carried out cold by nozzle opening by cooling oil.
Described driving motor also includes rotor 3, rotary transformer 5, motor right bearing 6, motor shaft 11, motor left bearing 12, motor shaft oil sealing 13 and electric motor end cap 4, described motor shaft 11 one end supports on electric motor end cap 4 by motor right bearing 6, the other end is supported on housing 1 by motor left bearing 12, and rotary transformer 5 is arranged in the outer end of motor shaft 11 and is positioned at electric motor end cap 4 inner face.
The first described shaft gear 15 is supported on differential support lid and described housing 1 by primary shaft bearing 14, and the first shaft gear 15 is connected by spline with motor shaft 11, and primary speed-down gear 29 is connected by spline with jackshaft 26；As it is shown on figure 3, the second described shaft gear 26a is one-body molded on jackshaft 26, the second shaft gear 26a is meshed with double-reduction gear 25；Double-reduction gear 25 is connected with differential mechanism shell 18 bolt.
Described decelerator includes the first shaft gear 15, primary speed-down gear the 29, second shaft gear 26a, jackshaft 26, double-reduction gear 25, primary shaft bearing 14, midship shaft bearing 27 and decelerator end cap 19；Described differential mechanism includes differential mechanism shell the 18, first axle shaft gear the 24, second axle shaft gear 23, differential support lid 16, differential mechanism left bearing 21, differential mechanism right bearing 17 and output shaft oil sealing 22；Described decelerator end cap 19 and electric motor end cap 4 are bolted to connection respectively at housing 1 two ends.Described power transmission shaft 10 is connected with the first axle shaft gear 24 spline and is supported on rear end cap 9 by transmission shaft bearing 7, and rear end cap 9 is bolted to connection on electric motor end cap 4.
Described housing 1 inner chamber is divided into motor cavity and the decelerator chamber driving motor, is sealed by motor shaft oil sealing 13 between motor cavity and decelerator chamber, it is ensured that the lubricating oil of decelerator does not enter in motor and electrical machine insulation is produced impact.Decelerator and differential mechanism are arranged on decelerator intracavity, drive motor to be mainly disposed in motor cavity, drive the motor shaft 11 of motor to stretch into decelerator chamber through motor cavity.Motor is dry type motor, housing 1 has the cooling water channel of casting, cools down motor stator 2 by the way of water-cooled, and gear and the bearing of decelerator carry out oil lubrication by the way of splashing.
Described motor stator 2 is made up of with winding stator core, stator core is overrided to form by non-oriented silicon steel sheet, stator winding is distributed winding, described rotor 3 is made up of with dynamic balancing duplicate removal plate rotor core, permanent magnet, rotor core is overrided to form by non-oriented silicon steel sheet, and permanent magnet is NdFeB material.
Described drives the motor shaft 11 of motor both as the output shaft driving motor, again as the power shaft of decelerator, external splines is had on motor shaft 11, first shaft gear 15 has internal spline, and the two spline connects, and the first shaft gear 15 is meshed with primary speed-down gear 29, directly the power that motor shaft 11 exports is passed to decelerator, decreasing power loss, improve transmission efficiency, motor shaft 11 two ends are supported on housing 1 and electric motor end cap 4 by motor left bearing 12 and motor right bearing 6 respectively.
Described driving motor is permagnetic synchronous motor, rotary transformer 5 is the position sensor driving motor, motor can be controlled by car load according to the signal understood from rotary transformer 5, rotary transformer 5 is arranged in the outer end of motor shaft 11 and is positioned at electric motor end cap 4 inner face, and rear end cap 9 is bolted on electric motor end cap 4.
Described decelerator includes primary speed-down gear train and double-reduction gear group, the driving gear of primary speed-down gear train is the first shaft gear 15, driven gear is primary speed-down gear 29, first shaft gear 15 is connected by spline with motor shaft 11, and primary speed-down gear 29 is connected by spline with jackshaft 26；The driving gear of double-reduction gear group is the second shaft gear 26a, and the second shaft gear 26a and jackshaft 26 are integral type structure, and the driven gear of double-reduction gear group is double-reduction gear 25, and double-reduction gear 25 is meshed with the second shaft gear 26a.First shaft gear 15, primary speed-down gear the 29, second shaft gear 26a, double-reduction gear 25 are all helical gear, can meet requirement of strength during heavy load.Jackshaft 26 is supported on decelerator end cap 19 and housing 1 by midship shaft bearing 27.Being also equipped with parking gear 28 on jackshaft 26, the two spline connects, and outside halting mechanism pins jackshaft 26 by parking gear 28, thus realizes parking function.
Described double-reduction gear 25 is integrated with the differential mechanism shell 18 of differential mechanism, differential mechanism shell 18 is bolted with double-reduction gear 25, differential mechanism also includes the first coaxial axle shaft gear 24 and the second axle shaft gear 23 being positioned at differential mechanism shell 18, second axle shaft gear 23 is connected with the Formation of Axle Shaft Spline of vehicle, first axle shaft gear 24 is connected with power transmission shaft 10 spline, power transmission shaft 10 is connected with the Formation of Axle Shaft Spline of vehicle again, forms the power output of whole device.By output shaft oil sealing 22, power transmission shaft oil sealing 8, driving means two ends ensure that the lubricating oil in device is not revealed respectively.
Power delivery mode of the present utility model is as follows:
Drive the winding energising in the motor stator 2 in motor, converting electrical energy into mechanical energy by the electromagnetic field of electric machine rotor drives rotor 3 to rotate, power passes to differential mechanism shell 18 by the primary speed-down gear train being made up of the first shaft gear 15 and primary speed-down gear 29 and the double-reduction gear group being made up of the second shaft gear 26a and double-reduction gear 25, by the first axle shaft gear 24 and the second axle shaft gear 23 after differential mechanism, impart power to hub for vehicle wheel by power transmission shaft again, thus drive vehicle to travel.During reversing, motor reversal, make vehicle driving in reverse.
Above by detailed description of the invention, this utility model is described in detail; this embodiment is only preferred embodiments of the present utility model; should not be construed as restriction of the present utility model, any change done according to principle of the present utility model all should be within protection domain of the present utility model.
Claims (6)
1. an integrated drive device for electric automobile, by the driving motor being arranged in same housing (1), decelerator and
Differential mechanism forms, it is characterised in that: described driving motor includes motor shaft (11), described motor shaft (11) outfan
Upper fixed cover is equipped with the first shaft gear (15)；Described decelerator include jackshaft (26), on described jackshaft (26)
Fixed cover is equipped with primary speed-down gear (29), parking gear (28), the second shaft gear (26a) the most successively；Described
Motor shaft (11) is arranged in parallel with jackshaft (26), and described motor shaft (11) is hollow axle, motor shaft (11) interior
Portion is provided with power transmission shaft (10), and one end of power transmission shaft (10) is connected with the first axle shaft gear (24) spline, power transmission shaft (10)
The other end is connected with the Formation of Axle Shaft Spline of vehicle；The primary speed-down gear (29) of described the first shaft gear (15) and decelerator is nibbled
Closing, double-reduction gear (25) is nested with on differential mechanism shell (18), and differential mechanism shell (18) is internal is fixed with planet tooth
Wheel (20), planetary gear (20) engages with the first axle shaft gear (24) and the second axle shaft gear (23), the second half axle gear
Wheel (23) is connected with the Formation of Axle Shaft Spline of vehicle, and described parking gear (28) is connected with hull outside halting mechanism.
2. the integrated drive device of electric automobile as claimed in claim 1, it is characterised in that: described driving motor is
Permagnetic synchronous motor.
3. the integrated drive device of electric automobile as claimed in claim 1, it is characterised in that: on described housing (1)
It is disposed with cooling water channel.
4. the integrated drive device of electric automobile as claimed in claim 1, it is characterised in that: on described housing (1)
Cooling oil jacket (31) is installed, rubber seal (30) is installed between cooling oil jacket (31) and housing (1), cools down oil jacket
(31) nozzle opening, cooling oil is had by nozzle opening, the winding overhang of motor stator (2) directly to be cooled down on.
5. the integrated drive device of electric automobile as claimed in claim 1, it is characterised in that: described driving motor is also
Including rotor (3), rotary transformer (5), motor right bearing (6), motor shaft (11), motor left bearing (12),
Motor shaft oil sealing (13) and electric motor end cap (4), described motor shaft (11) one end is supported to by motor right bearing (6)
On electric motor end cap (4), the other end is supported on housing (1) by motor left bearing (12), rotary transformer (5) cloth
Put in the outer end of motor shaft (11) and be positioned at electric motor end cap (4) inner face.
6. the integrated drive device of electric automobile as claimed in claim 1, it is characterised in that: the first described shaft gear
(15) being supported on housing (1) by primary shaft bearing (14), the first shaft gear (15) passes through with motor shaft (11)
Spline connects, and primary speed-down gear (29) is connected by spline with jackshaft (26)；Described the second shaft gear (26a)
One-body molded on jackshaft (26), the second shaft gear (26a) is meshed with double-reduction gear (25)；Double reduction
Gear (25) is connected with differential mechanism shell (18) bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620348326.8U CN205792018U (en) | 2016-04-23 | 2016-04-23 | A kind of integrated drive device of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620348326.8U CN205792018U (en) | 2016-04-23 | 2016-04-23 | A kind of integrated drive device of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205792018U true CN205792018U (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620348326.8U Active CN205792018U (en) | 2016-04-23 | 2016-04-23 | A kind of integrated drive device of electric automobile |
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| Country | Link |
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| CN (1) | CN205792018U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790500A (en) * | 2016-04-23 | 2016-07-20 | 中国第汽车股份有限公司 | Integrated driving device for electric vehicle |
| CN112074673A (en) * | 2018-04-26 | 2020-12-11 | 本田技研工业株式会社 | Power unit for vehicle |
-
2016
- 2016-04-23 CN CN201620348326.8U patent/CN205792018U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790500A (en) * | 2016-04-23 | 2016-07-20 | 中国第汽车股份有限公司 | Integrated driving device for electric vehicle |
| CN112074673A (en) * | 2018-04-26 | 2020-12-11 | 本田技研工业株式会社 | Power unit for vehicle |
| CN112074673B (en) * | 2018-04-26 | 2023-05-23 | 本田技研工业株式会社 | Power unit for vehicle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |