CN207257373U - A kind of 2AMT electric axles assembly - Google Patents
A kind of 2AMT electric axles assembly Download PDFInfo
- Publication number
- CN207257373U CN207257373U CN201721110121.7U CN201721110121U CN207257373U CN 207257373 U CN207257373 U CN 207257373U CN 201721110121 U CN201721110121 U CN 201721110121U CN 207257373 U CN207257373 U CN 207257373U
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- Prior art keywords
- wheel end
- gear
- differential mechanism
- speed transmission
- 2amt
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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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Arrangement Of Transmissions (AREA)
- Retarders (AREA)
Abstract
A kind of entitled 2AMT electric axles assembly of the utility model.Belong to field of automobile.It is not high longer with traditional structure driving-chain that it mainly solves the problems, such as that existing electric axle assembly has driving electric efficiency.It is mainly characterized by：Including driving motor, wheel end retarder, differential mechanism, wheel end semiaxis, wheel end and two speed transmission；The two speed transmission is located in the poor shell of differential mechanism, and two speed transmission coordinates with differential mechanism；The output terminal of the driving motor is the axocoel gear shaft of translator output gear, is connected with differential mechanism；The wheel end semiaxis is passed through out of gear shaft axocoel, and differential mechanism, wheel end retarder and wheel end are sequentially connected.The utility model has the characteristics that to make driving motor be maintained at efficiency operation section, reduces energy consumption and reduce occupancy compartment passenger space, is mainly used for the 2AMT electric axle assemblies of pure electric automobile Deep integrating.
Description
Technical field
The utility model belongs to field of automobile, and in particular to a kind of for pure electric automobile Deep integrating
2AMT electric axle assemblies.
Background technology
At present, most pure electric automobiles use the power transmission arrangment of traditional combustion engine automobile, including driving electricity
Machine, transmission shaft, retarder/differential assembly, axle half shafts and wheel end.Since retarder fixed speed ratio will to driving motor performance
Ask higher, it is necessary to drive motor to have more wide in range efficiency operation section and keep higher peak efficiency.Beyond high efficiency
Operation interval driving motor causes energy waste more, this course continuation mileage to vehicle adversely affects, and is also driving motor choosing
Type and cost control bring difficulty.Traditional structure driving-chain is longer at the same time causes transmission efficiency that larger and each parts body is lost
Product takes the spacial influence compartment passenger's handling capacity of passengers and battery arrangement spacial influence vehicle continual mileage of partial automobile compared with conference.
The content of the invention
For overcome the deficiencies in the prior art, two grades of differential mechanism will be integrated with the purpose of this utility model is to provide a kind of
Speed changer and tradition machinery vehicle bridge are an electric axle assembly by Deep integrating.Due to being integrated with two speed transmission, vehicle
Traveling can make driving motor be operated in efficiency operation section in the case where requiring speed, improve driving electric efficiency, reduce
Energy consumption, traveling and overgear are enough competent most cities traffic, while such a compact structure arrangement can shorten biography
Dynamic chain improves efficiency, lifting compartment passenger capacity and the battery capacity for increasing compartment, so as to reduce unit mounted mass energy expenditure
Amount.
To achieve the above object, the utility model uses following technical solution：A kind of 2AMT electric axles assembly, bag
Include driving motor, wheel end retarder, differential mechanism, wheel end semiaxis and wheel end, it is characterised in that：Include two speed transmission；Described two
Gear gearbox is located in the poor shell of differential mechanism, and two speed transmission coordinates with differential mechanism；The output terminal of the driving motor is powered
The axocoel gear shaft of machine output gear, is connected with differential mechanism；It is described wheel end semiaxis passed through out of gear shaft axocoel, by differential mechanism,
Wheel end retarder and wheel end are sequentially connected.
Two speed transmission described in the technical solution of the utility model includes jackshaft and installed in jackshaft
Countershaft-gear, two shelves gears；Differential mechanism includes the gear on gear shaft, takes turns the first driven gear, combined cover on the semiaxis of end
With the second driven gear；Gear on countershaft-gear and gear shaft coordinates, two shelves gears and the first driven gear and second from
Moving gear coordinates；Motor output shaft on the same line, parallel axle construction is formed with jackshaft with wheel end semiaxis arrangement.
Axle housing described in the technical solution of the utility model, which is equipped with, is respectively used to support two speed transmission and differential
The bearing saddle bore of device；Motor is connected with axle housing, forms common bearing structure.Wherein, the bearing block of two speed transmission housing parts
Hole supports retarder guide bearing, head bearing and tail bearing respectively, plays a supporting role to transmission assembly.Positioned at axle housing axis
Bearing saddle bore support differential mechanism bearings at both ends on line, plays a supporting role differential mechanism.The utility model is based on existing pure
The power transmission arrangment of electric automobile, two speed transmission and tradition machinery vehicle bridge is total for an electric axle by Deep integrating
Into, by it is automatically controlled gearshift execution unit realize two speed transmission self shifter；Transmission shaft is eliminated at the same time, power is straight by semiaxis
Connect and be input to wheel end.
Brief description of the drawings
Fig. 1 is the utility model pure electric vehicle vehicle bridge structure diagram.
In figure：1. drive motor；2. two speed transmission；3. differential mechanism；4. take turns end semiaxis；5. take turns end retarder；6.
Axle housing；7. motor output gear；8. countershaft-gear；9. jackshaft；10. liang shelves gear；11. the first driven gear；
12. combined cover；13. poor shell；14. the second driven gear.
Embodiment
As shown in Figure 1, a kind of 2AMT electric axles assembly of the utility model is by driving motor 1, wheel end retarder 5, differential
Device 3, wheel end semiaxis 4, wheel end, two speed transmission 2 and axle housing 6 form.Wherein, two speed transmission 2 is located at the poor shell 13 of differential mechanism 3
Interior, two speed transmission 2 coordinates with differential mechanism 3.Two speed transmission 2 includes jackshaft 9 and the countershaft-gear installed in jackshaft 9
8th, two shelves gear 10, countershaft-gear 8 is close to driving motor 1.Differential mechanism 3 includes the gear on gear shaft, and taking turns on end semiaxis 4 has
First driven gear 11,12 and second driven gear 14 of combined cover.Countershaft-gear 8 coordinates with the gear on gear shaft, motor
Output gear 7 drives countershaft-gear 8 to impart power to jackshaft 9.Two shelves gears 10 and the first driven gear 11 and second
Driven gear 14 coordinates, and completes two grades of gearshifts.Motor output shaft is arranged on the same line with wheel end semiaxis 4, with intermediate axle shaft 9
Form parallel axle construction.The output terminal for driving motor 1 is the axocoel gear shaft of translator output gear 7, is connected with differential mechanism 3.
Wheel end semiaxis 4 is passed through out of gear shaft axocoel, and differential mechanism 3, wheel end retarder 5 and wheel end are sequentially connected.Electronic gearshift performs
Mechanism drives shift fork combined cover 12 is moved reciprocatingly between axial direction.When combined cover 12 moves to left end with the first driven gear 11
With reference to when, complete overgear gear selecting, at this time the first driven gear 11 combine synchronous rotary driven wheel end semiaxis 4 with poor shell 13 will be dynamic
Power be transmitted to wheel end, while differential mechanism by it is another wheel end semiaxis by power transmit to take turns end.When combined cover 12 moves to
When right end is combined with the second driven gear 14, traveling shelves gear selecting is completed, the second driven gear 14 combines synchronous with poor shell 13 at this time
Power is transmitted to wheel end by rotation driven wheel end semiaxis 14, at the same differential mechanism by another wheel end semiaxis by power transmit to
Take turns end.Axle housing 6 is designed with bearing saddle bore, bearing saddle bore, and motor 1 is connected with axle housing 6, forms common bearing structure.Wherein, two grades
The bearing saddle bore of 2 housing parts of speed changer supports retarder guide bearing, head bearing and tail bearing respectively, and transmission assembly is risen
To supporting role.Bearing saddle bore support 3 bearings at both ends of differential mechanism on axle housing central axes, plays differential mechanism 3 branch support and makees
With.The bearing saddle bore and the bearing saddle bore on axle housing central axes of 2 housing parts of two speed transmission.Wherein, two speed transmission 2
The bearing saddle bore of housing parts supports retarder guide bearing, head bearing and tail bearing respectively, and support is played to transmission assembly
Effect.Bearing saddle bore support 3 bearings at both ends of differential mechanism on axle housing central axes, plays a supporting role differential mechanism 3.
The utility model pure electric vehicle vehicle bridge driving unit assembly incorporates tradition machinery in traditional pure electric vehicle driving unit
The function of vehicle bridge, and them are structurally and functionally being instead of, and two speed transmission is integrated with vehicle bridge, realize electric drive
Self shifter.Two speed transmission 2 is installed in axle housing 6 nearly motor side to integrate with differential mechanism 3, the power of driving motor 1 passes through
Motor output gear 7, speed changer differential assembly, wheel end semiaxis 4, wheel end retarder 5 are input to two side wheel ends, eliminate cone tooth
Wheel is so that the input and output side of power is located at same axis, therefore the steady efficiency of power output is higher.Using two grades of automatic changes
Fast device, makes driving motor be maintained at efficiency operation section, reduces energy consumption.Cancelling transmission shaft reduces number of parts so that
Its compact-sized weight saving, adds compartment passenger space and battery arrangement space, improves product applicability and competitiveness.
Claims (3)
1. a kind of 2AMT electric axles assembly, including driving motor（1）, wheel end retarder（5）, differential mechanism（3）, wheel end semiaxis
（4）With wheel end, it is characterised in that：Further include two speed transmission（2）；The two speed transmission（2）Positioned at differential mechanism（3）Poor shell
（13）It is interior, two speed transmission（2）With differential mechanism（3）Coordinate；The driving motor（1）Output terminal be translator output gear
（7）Axocoel gear shaft, with differential mechanism（3）Connection；The wheel end semiaxis（4）Passed through out of gear shaft axocoel, by differential mechanism
（3）, wheel end retarder（5）It is sequentially connected with wheel end.
A kind of 2. 2AMT electric axles assembly according to claim 1, it is characterised in that：The two speed transmission（2）
Including jackshaft（9）And installed in jackshaft（9）Countershaft-gear（8）, two shelves gears（10）；Differential mechanism（3）Including gear
Gear on axis, takes turns end semiaxis（4）On the first driven gear（11）, combined cover（12）With the second driven gear（14）；It is middle
Shaft gear（8）Coordinate with the gear on gear shaft, two shelves gears（10）With the first driven gear（11）With the second driven gear
（14）Coordinate；Motor output shaft is the same as wheel end semiaxis（4）Arrange on the same line, same to jackshaft（9）Form parallel axle construction.
A kind of 3. 2AMT electric axles assembly according to claim 1 or 2, it is characterised in that：Axle housing（6）Equipped with using respectively
In support two speed transmission（2）And differential mechanism（3）Bearing saddle bore；Motor（1）Same axle housing（6）Connection, forms common carrying knot
Structure.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721110121.7U CN207257373U (en) | 2017-08-31 | 2017-08-31 | A kind of 2AMT electric axles assembly |
| PCT/CN2018/103415 WO2019042384A1 (en) | 2017-08-31 | 2018-08-31 | Two-speed automatic mechanical transmission electric axle assembly |
| JP2019548898A JP2020531333A (en) | 2017-08-31 | 2018-08-31 | Two-speed automatic mechanical transmission electric axle assembly |
| US16/642,871 US20200254870A1 (en) | 2017-08-31 | 2018-08-31 | Two-speed automatic mechanical transmission electric axle assembly |
| BR112019022948A BR112019022948A2 (en) | 2017-08-31 | 2018-08-31 | electrical shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721110121.7U CN207257373U (en) | 2017-08-31 | 2017-08-31 | A kind of 2AMT electric axles assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207257373U true CN207257373U (en) | 2018-04-20 |
Family
ID=61923528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721110121.7U Active CN207257373U (en) | 2017-08-31 | 2017-08-31 | A kind of 2AMT electric axles assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207257373U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019042384A1 (en) * | 2017-08-31 | 2019-03-07 | Dongfeng Dana Axle Co., Ltd. | Two-speed automatic mechanical transmission electric axle assembly |
| WO2019042387A1 (en) * | 2017-08-31 | 2019-03-07 | Dongfeng Dana Axle Co., Ltd. | Electric axle assembly |
-
2017
- 2017-08-31 CN CN201721110121.7U patent/CN207257373U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019042384A1 (en) * | 2017-08-31 | 2019-03-07 | Dongfeng Dana Axle Co., Ltd. | Two-speed automatic mechanical transmission electric axle assembly |
| WO2019042387A1 (en) * | 2017-08-31 | 2019-03-07 | Dongfeng Dana Axle Co., Ltd. | Electric axle assembly |
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