CN206426828U - The electricity slowed down after a kind of coaxial bi-motor output drives drive axle - Google Patents
The electricity slowed down after a kind of coaxial bi-motor output drives drive axle Download PDFInfo
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- CN206426828U CN206426828U CN201720040125.6U CN201720040125U CN206426828U CN 206426828 U CN206426828 U CN 206426828U CN 201720040125 U CN201720040125 U CN 201720040125U CN 206426828 U CN206426828 U CN 206426828U
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Abstract
The utility model provides the electricity slowed down after a kind of coaxial bi-motor output and drives drive axle, and it causes electric automobile power of whole vehicle in shift process not interrupt, ensure that the comfortableness and security of driving.It includes differential mechanism, it is respectively arranged the first wheel in differential mechanism both sides, second wheel, two outlet sides of differential mechanism connect the first wheel by semiaxis respectively, second wheel, differential mechanism includes final gear, corresponding first motor is respectively installed with two semiaxis, second motor, first motor shaft of the first motor, second motor shaft of the second motor is quill shaft, first motor shaft, second motor shaft center has extended through corresponding semiaxis, the corresponding output end of the close differential mechanism of each motor shaft is fixed with one group of two input gear respectively, the correspondence position of one group of two input gears is engaged respectively is connected with corresponding one group of two output gear, every group of two output gears are installed in same output shaft.
Description
Technical field
The utility model is related to the technical field of new-energy automobile, the electricity slowed down after specially a kind of coaxial bi-motor output
Drive drive axle.
Background technology
With the fast development and the continuous improvement of living standards of the people of China's economic construction, the car ownership of China
It is being continuously increased, so as to bring huge pressure to china natural resources, environment.It is used as important industrial chemicals --- oil, there is half
Above is as the fuel of motor vehicle, therefore exploitation energy-saving vehicle and the use of alternative energy source is slow down current Pressure on Energy main
Approach.
Turn into the trend of main flow as new-energy automobile using pure electric power energy, but existing electric automobile is provided only with
One power motor, after the output end of power motor is connected with gear shifting structure, in gear shifting structure in shift process, electronic vapour
The power interruption of car, and then the comfort of vehicle is have impact on, and in climbing section, it is possible to influence whether the traveling of vehicle
Security.
The content of the invention
In view of the above-mentioned problems, the utility model, which provides the electricity slowed down after a kind of coaxial bi-motor output, drives drive axle, its
So that electric automobile power of whole vehicle in shift process will not interrupt, ensure that the comfortableness and security of driving, and
Its structure assembly degree is high, be easily installed.
The electricity slowed down after a kind of coaxial bi-motor output drives drive axle, and its technical scheme is such：It include differential mechanism,
The first wheel, the second wheel in differential mechanism both sides are respectively arranged, two outlet sides of the differential mechanism are connected by semiaxis respectively
First wheel, the second wheel, it is characterised in that：The differential mechanism includes and divided on final gear, two semiaxis
Corresponding first motor, the second motor, the first motor shaft of first motor, the second motor shaft of the second motor are not set with
Be quill shaft, first motor shaft, the second motor shaft center have extended through corresponding semiaxis, each motor shaft it is close
The corresponding output end of differential mechanism is fixed with one group of two input gear, the correspondence position difference of one group of two input gears respectively
Engagement is connected with corresponding one group of two output gear, and every group of two output gears are installed in same output shaft, every group
A synchronizer is disposed between two output gears, corresponding two output gears are installed in the both sides of the synchronizer respectively
Output, the end sleeve of close the differential mechanism of the output shaft is equipped with output gear, the output gear indirectly/or the direct company of engagement
Connect the outer shroud flank of tooth of the final gear.
It is further characterized by：
When the output gear engages the outer shroud flank of tooth for connecting the final gear indirectly, each output gear point
It is other to that should have double-reduction gear group, a reduction gearing, the double-reduction gear group includes two grades of input gears, secondary transmissions
Axle, two grades of output gears, two grades of input gears, two grades of output gears are set with the secondary drive shaft, described two
The corresponding output gear of level input gear engagement connection, two grades of output gears engagement connection reduction gearing, institute
State the outer shroud flank of tooth of the reduction gearing engagement connection final gear；
One group of two input gear, one group of two output gear corresponding to same motor shaft are located at the same end of the semiaxis
Side arranges that one group of two input gear, one group of two output gear corresponding to first motor shaft, the second motor shaft are distinguished
It is arranged in the rear and front end side position of the semiaxis, it is ensured that the first motor shaft, the transmission of the second motor shaft will not be interfered；
One group of described two input gear includes the first input gear, the second input gear, one group of described two output gear
Wheel includes the first output gear, the second output gear, and the first input gear correspondence engagement connects first output gear,
The second input gear correspondence engagement connection, second output gear；
Two outlet sides of the differential mechanism are respectively arranged with the first supporting clapboard, the second supporting clapboard, the differential mechanism
Two side bodies are supported in the differential mechanism mounting groove of first supporting clapboard, the second supporting clapboard by bearing respectively, described
First supporting clapboard is located to be arranged close to the side of first motor, and second supporting clapboard is located at close to the described second electricity
The side arrangement of machine, the final gear is located in the space between first supporting clapboard, the second supporting clapboard；
One end positioned at the close differential mechanism of the output shaft of semiaxis front and rear sides is supported on described first respectively
Positioning hole on supporting clapboard, the second supporting clapboard, it is ensured that total is easy for installation.
After adopting the above technical scheme, when preparing gearshift, the first motor rise moment of torsion, the second Motor torque drops to 0, second
Synchronizer gearshift corresponding to motor, after the completion of gearshift, the second motor rise moment of torsion, the first Motor torque is zeroed, now power
It is unbroken, the synchronizer gearshift corresponding to the first motor afterwards, two motors all complete gearshift, the first motor and the second electricity
The recurrence of machine moment of torsion is normal, and the switching of overall gear now can be achieved, and the final gear outer end flank of tooth has lasting move all the time
Power inputs, ensures differential mechanism dynamic input all the time, and it causes electric automobile, and the power of whole vehicle will not in shift process
The comfortableness and security of driving are interrupted, ensure that, and its structure assembly degree is high, be easily installed.
And following four kinds of power combinations can be realized according to vehicle power demand
Said structure can be realized that bi-motor is combined by the gear of not synchronized ratio by synchronizer and be driven, in motor driving
When, pass through the rotating speed of the rotating speed of differential mechanism output end two input motors of adjustment in real time, it is ensured that two motors it is corresponding defeated
The rotating speed for going out end is consistent, it is ensured that the gear combination driving final gear that bi-motor passes through not synchronized ratio.
Brief description of the drawings
Fig. 1 is the structure schematic diagram of specific embodiment of the utility model one；
Fig. 2 is the structure schematic diagram of specific embodiment of the utility model two；
Title in figure corresponding to sequence number is as follows：
Differential mechanism 1, the first wheel 2, the second wheel 3, semiaxis 4, final gear 5, the first motor 6, the second motor 7,
One motor shaft 8, the second motor shaft 9, output shaft 10, output gear 11, the first supporting clapboard 12, the second supporting clapboard 13, bearing
14th, differential mechanism mounting groove 15, the first synchronizer 16, the first input gear A17, the second input gear A18, the first output gear
A19, the second output gear A20, the second synchronizer 21, the first input gear B22, the second input gear B23, the first output gear
A24, the second output gear A25, reduction gearing 26, two grades of input gears 27, secondary drive shaft 28, two grades of output gears 29.
Embodiment
The electricity slowed down after a kind of coaxial bi-motor output drives drive axle, sees Fig. 1, Fig. 2：It includes differential mechanism 1, is respectively arranged
The first wheel 2, the second wheel 3 in differential mechanism both sides, two outlet sides of differential mechanism 1 connect the first wheel by semiaxis 4 respectively
2nd, the second wheel 3, differential mechanism 1, which includes, is respectively installed with corresponding first motor 6, on final gear 5, two semiaxis 4
Two motors 7, the first motor shaft 8 of the first motor 6, the second motor shaft 9 of the second motor 7 are quill shaft, the first motor shaft 8,
The center of second motor shaft 9 has extended through corresponding semiaxis 4, the corresponding output end difference of the close differential mechanism 1 of each motor shaft
One group of two input gear is fixed with, the correspondence position of one group of two input gears is engaged respectively is connected with corresponding one group two
Individual output gear, every group of two output gears, which are installed between same output shaft 10, every group of two output gears, to be arranged
There is a synchronizer, corresponding two output gears are installed in the both sides output of synchronizer, the close differential of output shaft 10 respectively
The end sleeve of device 1 be equipped with output gear 11, output gear 11 indirectly/or directly engagement connect final gear 5 the outer shroud flank of tooth.
One group of two input gear, one group of two output gear corresponding to same motor shaft are located at the same side cloth of semiaxis
Put, one group of two input gear, one group of two output gear corresponding to the first motor shaft 8, the second motor shaft 9 be respectively arranged in
The rear and front end side position of semiaxis 4, it is ensured that the first motor shaft 8, the transmission of the second motor shaft 9 will not be interfered；
One group of two input gear include the first input gear, the second input gear, and one group of two output gear includes the
One output gear, the second output gear, the first input gear correspondence engagement the first output gear of connection, the second input gear correspondence
Engagement the second output gear of connection；
Two outlet sides of differential mechanism 1 are respectively arranged with the first supporting clapboard 12, the second supporting clapboard 13, the two of differential mechanism 1
Side body is supported on the first supporting clapboard 12, in the differential mechanism mounting groove 15 of the second supporting clapboard 13 by bearing 14 respectively, and
One supporting clapboard 12 is located to be arranged close to the side of the first motor 6, and the second supporting clapboard 13 is located at close to the side of the second motor 7
Arrangement, final gear 5 is located in the space between the first supporting clapboard 12, the second supporting clapboard 13；
One end positioned at the close differential mechanism 1 of the output shaft 10 of the front and rear sides of semiaxis 4 is supported on the first supporting clapboard respectively
12nd, the positioning hole on the second supporting clapboard 13, it is ensured that total is easy for installation；
Wherein the first motor 6 corresponds to the first synchronizer 16, the first input gear A17, the second input gear A18, first
Output gear A19, the second output gear A20 are arranged；
Second motor 7 corresponds to the second synchronizer 21, the first input gear B22, the second input gear B23, the first output
Gear A 24, the second output gear A25 arrangements.
Specific embodiment one, see Fig. 1：Directly engagement connects final gear to the final output gear 11 of two motors respectively
The 5 outer shroud flank of tooth.
Specific embodiment two, see Fig. 2：Engagement connects the outer shroud tooth of final gear 5 to two output gears 11 indirectly respectively
During face, each output gear 11 is respectively to that should have double-reduction gear group, reduction gearing 26, and double-reduction gear group includes two grades
Input gear 27, secondary drive shaft 28, two grades of output gears 29, two grades of input gears 27, two grades of output gears 29 are set with
In secondary drive shaft 28, the corresponding output gear 11 of two grades of input 27 gears engagement connections, two grades of engagement connections of output gear 29
Reduction gearing 26, the outer shroud flank of tooth of the engagement connection final gear 5 of reduction gearing 26.
Its operation principle is as follows：Moment of torsion is sent to the first input gear A17, by the first motor 6 by the first motor shaft 8
Two input gear A18；Wherein the first input gear A17 and the first output gear A19 intermesh connection, the second input gear
A18 and the second output gear A20 intermesh connection, gear shift are carried out after the first synchronizer 16 selection outlet side, when first
When synchronizer 16 is engaged with the side corresponding to the first output gear A19, a notch speed ratio is output as, when the first synchronizer 16 and
When side corresponding to two output gear A20 is engaged, two notch speed ratios are output as；
Moment of torsion is sent to the first input gear B22, the second input gear B23 by the second motor 7 by the second motor shaft 9；
Wherein the first input gear B22 and the first output gear B24 intermesh connection, the second input gear B23 and the second output gear
Wheel B25 is intermeshed connection, and gear shift is carried out after the second synchronizer 21 selects outlet side, when the second synchronizer 21 and first defeated
When going out the engagement of the side corresponding to gear B 24, a notch speed ratio is output as, when the second synchronizer 21 and the second output gear B25 institutes
During corresponding side engagement, two notch speed ratios are output as；
When preparing gearshift, the first motor 6 rise moment of torsion, the moment of torsion of the second motor 7 drops to 0, and the gearshift of the second synchronizer has been shifted gears
Cheng Hou, the second motor 7 rise moment of torsion, the moment of torsion of the first motor 6 zero, now power is unbroken, and the first synchronizer is changed afterwards
Gear, two motors all complete gearshift, and the first motor 6 and the moment of torsion of the second motor 7 are returned normally, and overall gear now can be achieved
Switching, the outer end flank of tooth of final gear 5 has lasting power input all the time.
Its advantage is as follows：
1st, gearshift power failure-free；
2nd, coaxial design integrated level is higher；
3rd, bi-motor is designed, and the high efficient district of motor realizes that automatic speed regulation is shifted gears using more excellent.
Specific embodiment of the utility model is described in detail above, but content is only what the utility model was created
Preferred embodiment, it is impossible to be considered as the practical range for limiting the utility model creation.All created according to the utility model is applied
Equivalent change that scope is made all should be belonged to still within this patent covering scope with improving etc..
Claims (6)
1. the electricity slowed down after a kind of coaxial bi-motor output drives drive axle, it includes differential mechanism, is respectively arranged in differential mechanism both sides
The first wheel, the second wheel, two outlet sides of the differential mechanism connect first wheel, the second car by semiaxis respectively
Wheel, it is characterised in that：The differential mechanism, which includes, is respectively installed with corresponding first electricity on final gear, two semiaxis
Machine, the second motor, the first motor shaft of first motor, the second motor shaft of the second motor are quill shaft, and described first
Motor shaft, the second motor shaft center have extended through corresponding semiaxis, the corresponding output end of the close differential mechanism of each motor shaft
One group of two input gear is fixed with respectively, and the correspondence position of one group of two input gears is engaged respectively is connected with corresponding one
Two output gears of group, every group of two output gears are installed in cloth between same output shaft, every group of two output gears
A synchronizer is equipped with, corresponding two output gears are installed in the both sides output of the synchronizer respectively, the output shaft
Output gear is housed close to the end sleeve of differential mechanism, the output gear indirectly/or directly engagement connect the final gear
The outer shroud flank of tooth.
2. the electricity slowed down after a kind of coaxial bi-motor output as claimed in claim 1 drives drive axle, it is characterised in that：It is described defeated
When going out gear and engaging the outer shroud flank of tooth for connecting the final gear indirectly, each output gear is respectively to that should have two grades to subtract
Fast gear train, reduction gearing, the double-reduction gear group include two grades of input gears, secondary drive shaft, two grades of output gears,
Two grades of input gears, two grades of output gears are set with the secondary drive shaft, and two grades of input gears engagement connects
The corresponding output gear is connect, two grades of output gears engagement connection reduction gearing, the reduction gearing engagement connects
Connect the outer shroud flank of tooth of the final gear.
3. the electricity slowed down after a kind of coaxial bi-motor output as claimed in claim 1 drives drive axle, it is characterised in that：Correspond to
The same side that one group of two input gear of same motor shaft, one group of two output gear are located at the semiaxis arranges, described the
One group of two input gear, one group of two output gear corresponding to one motor shaft, the second motor shaft are respectively arranged in described half
The rear and front end side position of axle.
4. the electricity slowed down after a kind of coaxial bi-motor output as described in any claim in claims 1 to 3 drives drive axle,
It is characterized in that：One group of described two input gear includes the first input gear, the second input gear, one group of described two output
Gear includes the first output gear, the second output gear, the first input gear correspondence engagement connection first output gear
Wheel, the second input gear correspondence engagement connection second output gear.
5. the electricity slowed down after a kind of coaxial bi-motor output as claimed in claim 1 drives drive axle, it is characterised in that：The difference
Two outlet sides of fast device are respectively arranged with the first supporting clapboard, the second supporting clapboard, and two side bodies of the differential mechanism lead to respectively
Cross bearing to be supported in the differential mechanism mounting groove of first supporting clapboard, the second supporting clapboard, the first supporting clapboard position
Arranged in the side close to first motor, second supporting clapboard is located to be arranged close to the side of second motor,
The final gear is located in the space between first supporting clapboard, the second supporting clapboard.
6. the electricity slowed down after a kind of coaxial bi-motor output as claimed in claim 5 drives drive axle, it is characterised in that：Positioned at half
One end of the close differential mechanism of the output shaft of axle front and rear sides be supported on respectively first supporting clapboard, second
Support the positioning hole on dividing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720040125.6U CN206426828U (en) | 2017-01-13 | 2017-01-13 | The electricity slowed down after a kind of coaxial bi-motor output drives drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720040125.6U CN206426828U (en) | 2017-01-13 | 2017-01-13 | The electricity slowed down after a kind of coaxial bi-motor output drives drive axle |
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| Publication Number | Publication Date |
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| CN206426828U true CN206426828U (en) | 2017-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720040125.6U Active CN206426828U (en) | 2017-01-13 | 2017-01-13 | The electricity slowed down after a kind of coaxial bi-motor output drives drive axle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740023A (en) * | 2017-01-13 | 2017-05-31 | 苏州绿控传动科技有限公司 | The electricity slowed down after a kind of coaxial bi-motor output drives drive axle |
| CN108674162A (en) * | 2018-05-31 | 2018-10-19 | 汽解放汽车有限公司 | A kind of axle assembly of Dual-motors Driving |
| CN109869479A (en) * | 2017-12-05 | 2019-06-11 | 吉利汽车研究院（宁波）有限公司 | A kind of gear for electric vehicle |
| CN109910582A (en) * | 2019-02-28 | 2019-06-21 | 北方众联新能源科技有限公司 | Drive system of electric automobile and electric car |
| CN111114307A (en) * | 2018-10-31 | 2020-05-08 | 比亚迪股份有限公司 | Drive axle and vehicle and driving method thereof |
-
2017
- 2017-01-13 CN CN201720040125.6U patent/CN206426828U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740023A (en) * | 2017-01-13 | 2017-05-31 | 苏州绿控传动科技有限公司 | The electricity slowed down after a kind of coaxial bi-motor output drives drive axle |
| WO2018130102A1 (en) * | 2017-01-13 | 2018-07-19 | 苏州绿控传动科技有限公司 | Electric drive axle |
| CN109869479A (en) * | 2017-12-05 | 2019-06-11 | 吉利汽车研究院（宁波）有限公司 | A kind of gear for electric vehicle |
| CN108674162A (en) * | 2018-05-31 | 2018-10-19 | 汽解放汽车有限公司 | A kind of axle assembly of Dual-motors Driving |
| CN111114307A (en) * | 2018-10-31 | 2020-05-08 | 比亚迪股份有限公司 | Drive axle and vehicle and driving method thereof |
| CN109910582A (en) * | 2019-02-28 | 2019-06-21 | 北方众联新能源科技有限公司 | Drive system of electric automobile and electric car |
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Address after: 215000 No. 1268 Jiaotong South Road, Wujiang District, Suzhou City, Jiangsu Province Patentee after: SUZHOU GREEN CONTROL DRIVE SCIENCE AND TECHNOLOGY CO., LTD. Address before: 215000 No. 1268 Jiaotong South Road, Wujiang District, Suzhou City, Jiangsu Province Patentee before: Suzhou Lvkong Transmission Technology Co., Ltd. |