CN107985046A - A kind of electric axle assembly of integrated high-efficiency type - Google Patents
A kind of electric axle assembly of integrated high-efficiency type Download PDFInfo
- Publication number
- CN107985046A CN107985046A CN201711444163.9A CN201711444163A CN107985046A CN 107985046 A CN107985046 A CN 107985046A CN 201711444163 A CN201711444163 A CN 201711444163A CN 107985046 A CN107985046 A CN 107985046A
- Authority
- CN
- China
- Prior art keywords
- power output
- retarder
- integrated high
- axle assembly
- output shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 230000001360 synchronised effect Effects 0.000 claims description 19
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 6
- 150000002910 rare earth metals Chemical class 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 19
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 description 4
- 239000003599 detergent Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001095 motoneuron effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/14—Torque-transmitting axles composite or split, e.g. half- axles; Couplings between axle parts or sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
- B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing provided between independent half axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of electric axle assembly of integrated high-efficiency type, including axle housing (4) that is hollow, laterally setting；The interior lateral separation of the axle housing (4) is fixedly installed a differential mechanism (2) and a driving unit (1)；The power output end of the driving unit (1) is directly connected with the power input shaft on the retarder (2) to be connected；The power output shaft of retarder (2) left and right ends is connected with the medial extremity of a semiaxis (3) respectively to be connected.The electric axle assembly of integrated high-efficiency type disclosed by the invention, its excellent performance, the power transmission efficiency of electric automobile can be obviously improved, save energy consumption, further lift the overall cruising ability of electric automobile, product use feeling of the people to electric automobile is significantly enhanced, the further genralrlization application of electric automobile has been ensured, has been of great practical significance.
Description
Technical field
The present invention relates to electric vehicle engineering field, more particularly to a kind of electric axle assembly of integrated high-efficiency type.
Background technology
At present, electric automobile is traditional energy because it is with energy conservation and environmental protection, the advantage such as compact-sized, mass volume ratio is small
The developing direction of automobile, is widely used, therefore, people are to electric automobile in the work and life of people
Performance requirement is higher and higher.
For current most electric automobile, its power transmission mode having, still using traditional I. C. engine steam
The power transmission mode of car, i.e., the car sedan-chair assembly formed using motor, transmission shaft, retarder and differential mechanism, due to whole car sedan-chair
The driving-chain of assembly is longer, causes it during the work time, and the transmission efficiency having is relatively low, and energy consumption is larger, system noise
It is higher.
Further, since the structure of the car sedan-chair assembly of existing electric automobile is not compact, battery space is extruded, influences the continuous of vehicle
Boat ability, reduces product use feeling of the people to electric automobile, have impact on the further genralrlization application of electric automobile.
The content of the invention
In view of this, the object of the present invention is to provide a kind of electric axle assembly of integrated high-efficiency type, its excellent performance,
The car sedan-chair assembly transmission efficiency that can effectively solve the problems, such as existing electric automobile is low, energy consumption is big, can be obviously improved electronic vapour
The power transmission efficiency of car, saves energy consumption, further lifts the overall cruising ability of electric automobile, significantly enhance people to electricity
The product use feeling of electrical automobile, has ensured the further genralrlization application of electric automobile, has been of great practical significance.
For this reason, the present invention provides a kind of electric axle assembly of integrated high-efficiency type, including it is hollow, laterally set
Axle housing；
Lateral separation is fixedly installed a differential mechanism and a driving unit in the axle housing；
The power output end of the driving unit is directly connected with the power input shaft on the retarder and is connected；
The power output shaft of the retarder left and right ends is connected with the medial extremity of a semiaxis respectively to be connected.
Wherein, the driving unit includes hollow cell enclosure, and a synchronization is laterally fixedly installed in the shell
Motor；
Power input shaft of the power output shaft of the synchronous motor left and right ends respectively with a retarder is connected
Together；
The power output shaft of each retarder is connected with the power input shaft on the differential mechanism to be connected.
Wherein, the synchronous motor is rare earth permanent-magnet synchronization motor.
Wherein, the retarder is RV retarders or planetary reduction gear.
Wherein, the power output of the synchronous motor and the retarder is on same axis.
Wherein, the axis of the power output shaft of the synchronous motor left and right ends and power output shaft on the retarder
Axis is located along the same line.
Wherein, the power output shaft of the differential mechanism left end is connected after extending through the axle housing with a semiaxis
Connection；
The power output shaft of the differential mechanism right end sequentially pass through by after the driving unit and the axle housing with one
The semiaxis is connected connection.
The technical solution provided by the invention more than is as it can be seen that compared with prior art, one kind provided by the invention is integrally
Change the electric axle assembly of heavy duty detergent, its excellent performance, can be obviously improved the power transmission efficiency of electric automobile, save energy
Consumption, further lifts the overall cruising ability of electric automobile, significantly enhances product use feeling of the people to electric automobile, protects
The further genralrlization application of electric automobile is hindered, has been of great practical significance.
In addition, the electric axle assembly of integrated high-efficiency type provided by the invention, its is compact-sized, and it is total can to reduce vehicle bridge
Into overall weight, the occupancy to valuable battery installation space on electric automobile is reduced, so as to further lift electric automobile
Overall cruising ability.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of the electric axle assembly of integrated high-efficiency type provided by the invention；
Fig. 2 is the structural representation of driving unit in a kind of electric axle assembly of integrated high-efficiency type provided by the invention
Figure；
In figure, 1 is driving unit, and 2 be differential mechanism, and 3 be semiaxis, and 4 be axle housing；
10 be cell enclosure, and 11 be synchronous motor, and 12 be retarder.
Embodiment
In order to make those skilled in the art more fully understand the present invention program, below in conjunction with the accompanying drawings with embodiment to this
Invention is described in further detail.
Referring to Fig. 1, Fig. 2, the present invention provides a kind of electric axle assembly of integrated high-efficiency type, including it is hollow, horizontal
To the axle housing 4 of setting；
Lateral separation is fixedly installed a differential mechanism 2 and a driving unit 1 in the axle housing 4；
The power output end of the driving unit 1 is directly connected with the power input shaft on the retarder 2 and is connected；
The power output shaft of 2 left and right ends of retarder medial extremity (the i.e. court with a semiaxis 3 (i.e. drive axle) respectively
To one end of retarder 2) be connected connection.
It should be noted that the driving unit 1 is used to export power to the differential mechanism 2.
It should be noted that axle housing, the semiaxis of axle housing both sides, differential mechanism and driving unit are integrated into electric car by the present invention
Axle assembly, is driven relative to orthodox car, due to cancelling transmission shaft, driving unit and differential mechanism is connected directly, enabled to
The power that driving unit exports is directly transferred to differential mechanism, so as to improve transmission efficiency.
In the present invention, in specific implementation, the driving unit 1 includes hollow cell enclosure 10, in the shell 10
Laterally it is fixedly installed a synchronous motor 11；
The power output shaft of 11 left and right ends of synchronous motor links with the power input shaft of a retarder 12 respectively
Link together and (be specifically as follows engagement connection)；
The power output shaft of each retarder 12 is connected with the power input shaft on the differential mechanism 2 is connected (tool
Body can be engagement connection).
In specific implementation, the synchronous motor 11 is preferably rare earth permanent-magnet synchronization motor.
In specific implementation, the retarder 12 is preferably RV retarders or planetary reduction gear.
In specific implementation, when synchronous motor 11 is run, drive retarder movement, at this time, be preferably：The synchronous electricity
Machine 11 and the power output of the retarder 12 are on same axis, are specially：Move 11 left and right ends of synchronous motor
The axis of power output shaft and the axis of power output shaft on the retarder 12 are located along the same line.
In the present invention, in specific implementation, after the power output shaft of 2 left end of differential mechanism extends through the axle housing 4
It is connected with a semiaxis 3 (i.e. drive axle) and is connected and (is specifically as follows engagement connection)；
The power output shaft of 2 right end of differential mechanism is sequentially passed through by the driving unit 1 (in the driving unit 1
Synchronous motor 11 and retarder 12 in be reserved with corresponding through hole, to allow it to pass through) and the axle housing 4 after with described in one
Semiaxis 3 is connected connection (be specifically as follows engagement connection).
It should be noted that in the present invention, composition is provided by the invention electronic by differential mechanism 2 and driving unit 1 together
Transmission mechanism in car sedan-chair assembly.The both ends connection semiaxis 3 of this transmission mechanism.Wherein driving unit 1, the whole of differential mechanism 2
And most of volume of semiaxis 3 is respectively positioned on inside axle housing 4, therefore, the present invention can form a highly integrated integration
Heavy duty detergent electric axle.
For the present invention, it is necessary to illustrate, when synchronous motor 11 (such as rare earth permanent-magnet synchronization motor) moves, power
Retarder 12 is transmitted to, then power is directly output to differential mechanism 2, and the semiaxis 3 of 2 both sides of driving differential mechanism rotates together, so that
The hub rotation in the wheel of electric automobile is driven by the outboard end of semiaxis 3, so as to drive electric automobile during traveling.
Compared with prior art, the present invention has following technique effect：
1st, the present invention improves motor effect using the rare earth permanent-magnet synchronization motor of both-end power output as driving motor
Rate, reduces assembly weight and space hold, adds battery space, improves cruising ability.Meanwhile rare earth permanent-magnet synchronization motor
Have the advantages that simple in structure, reliable, small, light-weight, loss is small, efficient, and the shape and size of motor
Can be versatile and flexible；
2nd, using flattening coaxial configuration retarder (RV retarders or planetary reduction gear), the advantage is that with knot
The advantages of structure is compact, can effectively reduce weight, and big with gearratio, and power density is big, with small vibration, low noise, efficiency
The characteristics of high, improve the efficiency of transmission；
3rd, in the present invention, coaxial speed reducer (RV retarders or the row of the left and right ends connection flattening of synchronous motor 11
Star retarder), and integrated design and encapsulation are carried out, independent driving unit is can make up, thus it is compact-sized, improve
Power density；
4th, one end of differential mechanism 2 is directly connected with semiaxis 3, and the other end is connected through driving unit with semiaxis 3 so that whole
The power transmission of electric car sedan-chair assembly is on same axis, is effectively increased transmission efficiency, is reduced space hold；
5th, the driving unit included by the present invention, the transmission component such as differential mechanism are all installed in the inside of axle housing, therefore, its
Compact overall structure, it is highly integrated.
Therefore, for electric car sedan-chair assembly provided by the invention, it is due to using same axis driving-chain design method, tool
Have that transmission efficiency is higher, it is compact-sized, the Deep integrating of electric axle is realized, effectively increases transmission performance.
Therefore, in conclusion compared with prior art, the present invention provides a kind of electric axle of integrated high-efficiency type
Assembly, its excellent performance, can be obviously improved the power transmission efficiency of electric automobile, save energy consumption, further lift electronic vapour
The overall cruising ability of car, significantly enhances product use feeling of the people to electric automobile, ensured electric automobile into one
Step promotes and applies, and is of great practical significance.
In addition, the electric axle assembly of integrated high-efficiency type provided by the invention, its is compact-sized, and it is total can to reduce vehicle bridge
Into overall weight, the occupancy to valuable battery installation space on electric automobile is reduced, so as to further lift electric automobile
Overall cruising ability.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of electric axle assembly of integrated high-efficiency type, it is characterised in that including axle housing (4) that is hollow, laterally setting；
The interior lateral separation of the axle housing (4) is fixedly installed a differential mechanism (2) and a driving unit (1)；
The power output end of the driving unit (1) is directly connected with the power input shaft on the retarder (2) to be connected；
The power output shaft of retarder (2) left and right ends is connected with the medial extremity of a semiaxis (3) respectively to be connected.
2. the electric axle assembly of integrated high-efficiency type as claimed in claim 1, it is characterised in that the driving unit (1)
Including hollow cell enclosure (10), a synchronous motor (11) is laterally fixedly installed in the shell (10)；
The power output shaft of synchronous motor (11) left and right ends links with the power input shaft of a retarder (12) respectively
Link together；
The power output shaft of each retarder (12) is connected with the power input shaft on the differential mechanism (2) to be connected.
3. the electric axle assembly of integrated high-efficiency type as claimed in claim 2, it is characterised in that the synchronous motor (11)
For rare earth permanent-magnet synchronization motor.
4. the electric axle assembly of integrated high-efficiency type as claimed in claim 2, it is characterised in that the retarder (12) is
RV retarders or planetary reduction gear.
5. the electric axle assembly of integrated high-efficiency type as claimed in claim 2, it is characterised in that the synchronous motor (11)
It is in the power output of the retarder (12) on same axis.
6. the electric axle assembly of integrated high-efficiency type as claimed in claim 5, it is characterised in that the synchronous motor (11)
The axis of the power output shaft of left and right ends and the axis of power output shaft on the retarder (12) are located along the same line.
7. the electric axle assembly of the integrated high-efficiency type as any one of claim 1 to 6, it is characterised in that described
The power output shaft of differential mechanism (2) left end, which extends through the axle housing (4) and is connected afterwards with a semiaxis (3), to be connected；
The power output shaft of differential mechanism (2) right end sequentially pass through by the driving unit (1) and the axle housing (4) afterwards with
One semiaxis (3) is connected connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711444163.9A CN107985046A (en) | 2017-12-27 | 2017-12-27 | A kind of electric axle assembly of integrated high-efficiency type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711444163.9A CN107985046A (en) | 2017-12-27 | 2017-12-27 | A kind of electric axle assembly of integrated high-efficiency type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107985046A true CN107985046A (en) | 2018-05-04 |
Family
ID=62042858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711444163.9A Pending CN107985046A (en) | 2017-12-27 | 2017-12-27 | A kind of electric axle assembly of integrated high-efficiency type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107985046A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738182A (en) * | 2019-01-22 | 2019-05-10 | 清研新能源汽车工程中心（襄阳）有限公司 | A kind of polytypic differential mechanism test fixed case |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751880A (en) * | 2016-03-01 | 2016-07-13 | 陕西理工学院 | Direct-driving type driving device of electric vehicle |
| CN106347091A (en) * | 2016-09-23 | 2017-01-25 | 辽宁曙光汽车集团股份有限公司 | Clutch control type electric drive axle |
| US20170023114A1 (en) * | 2015-02-11 | 2017-01-26 | Jilin University, China | Drive axle of electric distribution torque |
| CN207809023U (en) * | 2017-12-27 | 2018-09-04 | 清研新能源汽车工程中心（襄阳）有限公司 | A kind of electric axle assembly of integrated high-efficiency type |
-
2017
- 2017-12-27 CN CN201711444163.9A patent/CN107985046A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170023114A1 (en) * | 2015-02-11 | 2017-01-26 | Jilin University, China | Drive axle of electric distribution torque |
| CN105751880A (en) * | 2016-03-01 | 2016-07-13 | 陕西理工学院 | Direct-driving type driving device of electric vehicle |
| CN106347091A (en) * | 2016-09-23 | 2017-01-25 | 辽宁曙光汽车集团股份有限公司 | Clutch control type electric drive axle |
| CN207809023U (en) * | 2017-12-27 | 2018-09-04 | 清研新能源汽车工程中心（襄阳）有限公司 | A kind of electric axle assembly of integrated high-efficiency type |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738182A (en) * | 2019-01-22 | 2019-05-10 | 清研新能源汽车工程中心（襄阳）有限公司 | A kind of polytypic differential mechanism test fixed case |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180504 |