CN203611709U - Dual-motor driving electric vehicle rear axle - Google Patents
Dual-motor driving electric vehicle rear axle Download PDFInfo
- Publication number
- CN203611709U CN203611709U CN201320670954.4U CN201320670954U CN203611709U CN 203611709 U CN203611709 U CN 203611709U CN 201320670954 U CN201320670954 U CN 201320670954U CN 203611709 U CN203611709 U CN 203611709U
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- rear axle
- diff
- motors
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- electric vehicle
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Abstract
The utility model discloses a dual-motor driving electric vehicle rear axle, and belongs to the technical field of an electric vehicle rear axle. The dual-motor driving electric vehicle rear axle is provided with two driving motors, powers of the two driving motors are connected and output to two independent driving gears, and the two independent driving gears are both meshed with a driven gear of a differential mechanism and simultaneously drive the driven gear. The dual-motor driving electric vehicle rear axle disclosed by the utility model is simple in structure, is capable of obviously increasing and improving the output performance of an electric vehicle after being applied to the electric vehicle rear axle and enables to the electric vehicle to meet the needs under mountain road and heavy load situations.
Description
Technical field
The utility model relates to a kind of motor rear axle, and particularly a kind of Dual-motors Driving motor rear axle, belongs to elec. vehicle back axle technical field.
Background technology
Electronlmobil in recent years, electro-tricycle due to its environmental-protecting performance and the development of cheap usage charges rapidly, back axle manufacture and the demand of battery-driven car present fast development trend, general two semiaxis that adopt a driven by motor reductor to access on diff driving back axle of back axle on battery-driven car rotate, a motor is set on this back axle, for miniwatt, the use occasion of low moment of torsion can meet the demands substantially, but for superpower, the use occasion of high pulling torque can not meet the demands on the one hand completely, in the moment of torsion transmitting on the other hand and the excessive situation of power, motor easily damages, in recent years, battery-driven car is more and more extensive as the use of loading purposes, in the situation of loading, need larger power and moment of torsion output, and also there is the trend of progressively popularizing in battery-driven car in remote mountain areas, on the hill path of the frequent uphill/downhill of needs, normal and the safety traffic of battery-driven car need to possess superpower, the output characteristic of high pulling torque, in order to adapt to this demand, traditional way is the power that increases drive motor, but general along with its volume of increase of power also will increase, bring the problem in space to corresponding rear assembling, so simple, by increasing power of motor, can not to adapt to battery-driven car completely high-power, the development need of high moment of torsion output, excessive motor volume brings the problem on space substantially cannot realize in some vehicle designs to the installation of back axle, in existing market practice, need one can export high moment of torsion, high-performance motor rear axle.
Summary of the invention
The utility model, for overcoming above technical matters, provides a kind of Dual-motors Driving motor rear axle that can carry out superpower, high pulling torque output.
For realizing the purpose of this utility model, the technical scheme that Dual-motors Driving motor rear axle provided by the utility model adopts is: Dual-motors Driving motor rear axle, two drive motor are set on described back axle, the power connection of two motors exports two independently driving gears to, two independently driving gear be all meshed with the ring gear of diff, drive ring gear simultaneously, two described motors are positioned at the same side of diff or homonymy not on back axle length direction, in the output of two described motors, all connect reductor, in the output of reductor, be fixedly connected with driving gear, driving gear is meshed with the ring gear of diff and drives the ring gear of diff, two described motors are positioned at the same side of diff on back axle length direction, two electrical axis angle is in a circumferential direction 120
oor 180
o.
The useful technique effect of Dual-motors Driving motor rear axle provided by the utility model is: Dual-motors Driving motor rear axle provided by the utility model, adopt double-motor output to drive a diff, diff drives two semiaxis to realize the driving of back axle, compared with the back axle design of a drive motor, two motors are positioned at the design of the same side of diff, also can realize Dual-motors Driving in the situation that back axle overall length is shorter.The utility model adopts two motors can output high-power, high pulling torque, and the motor of changing different model can be adjusted the gross horsepower of back axle output easily, use watt level on a motor drive mode to adjust more convenient flexible, the utility model is simple in structure, only need on the housing of diff, increase a motor installing port can realize, be easy to realize, be applied in the output performance that can improve significantly and improve battery-driven car on motor rear axle, make battery-driven car meet hill path, needs under load condition, further expand battery-driven car as environmental protection, the application space of the energy-saving vehicle, promote the development of battery-driven car industry.
Accompanying drawing explanation
Fig. 1 is front elevational schematic of the present utility model.
The specific embodiment
In order better to understand and to implement the technical solution of the utility model, provide embodiment more of the present utility model at this, these embodiments, in order better to explain technical scheme described in the utility model, do not form any form restriction of the present utility model.
Dual-motors Driving motor rear axle, two drive motor are set on described back axle, the power of two motors exports two independently driving gears to, two independently driving gear be all meshed with the ring gear of diff, drive ring gear simultaneously, two described motors are positioned at the same side of diff or homonymy not on back axle length direction, in the output of two described motors, all connect reductor, in the output of reductor, be fixedly connected with driving gear, driving gear is meshed with the ring gear of diff and drives the ring gear of diff, two described motors are positioned at the same side of diff on back axle length direction, two electrical axis angle is in a circumferential direction 120
oor 180
oin the utility model, the ring gear that exports diff to of two motors, the ring gear of diff refers to drive diff to receive the gear of power input, about the power transmission structure of diff inside after power input diff, adopt axle transmission of power diff on current motor rear axle to realize, diff is input to from power that power exports between semiaxis can be as required and the various intermediate transfer of spatial placement mechanism, and core spirit of the present utility model is double-motor power to export to the same drive wheel of diff.
By reference to the accompanying drawings the specific embodiment of the present utility model is further elaborated, as shown in Figure 1, in figure, be respectively labeled as: 1-1: motor a, 1-2: reductor a, 1-3: driving gear a, 2-1: motor b, 2-2: reductor b, 2-3: driving gear b, 3: ring gear, 4: back axle, 5: diff, in accompanying drawing 1, on back axle, two motors are set on 4, be respectively motor a1-1, motor b2-1, after motor a1-1, connect reductor a1-2, driving gear a1-3 is set in the output of reductor a1-2, driving gear a1-3 is meshed with ring gear 3 and drives ring gear 3, after motor b2-1, connect reductor b2-2, driving gear b2-3 is set in the output of reductor b2-2, driving gear b2-3 is meshed with ring gear 3 and drives ring gear 3, in accompanying drawing, two electrical axis angle is in a circumferential direction 180
o, it is 120 that the position of two motors also can adopt two electrical axis angle in a circumferential direction
o, angle refers to along the angle of the circumferencial direction of half shaft section circle, motor location can adopt take axle casing as benchmark, also can adopt interface take diff as benchmark, after having good positioning, two motors are fixed on back axle, driving gear in two motor power outputs is all meshed with the ring gear on diff, about increasing opening on diff, the driving gear of motor output is meshed with the ring gear of diff, those of ordinary skill in the art can realize completely, controller can be set on battery-driven car to two motors difference or integrative control, realize the superpower of motor output, high moment of torsion.Dual-motors Driving motor rear axle provided by the utility model, adopt double-motor output to drive the same ring gear of diff, diff drives two semiaxis to realize the driving of back axle, compared with the back axle design of a drive motor, the utility model adopts two motors can output high-power, high pulling torque, and the motor of changing different model can be adjusted the gross horsepower of back axle output easily, use watt level on a motor drive mode to adjust more convenient flexible, the utility model is simple in structure, only need on the housing of diff, increase a motor installing port can realize, be easy to realize, be applied in the output performance that can improve significantly and improve battery-driven car on motor rear axle, make battery-driven car meet hill path, needs under load condition, further expand battery-driven car as environmental protection, the application space of the energy-saving vehicle, promote the development of battery-driven car industry.
After describing above various specific embodiment of the present utility model in detail, those of ordinary skill in the art should be well understood to, according to the various common practise of this area, can carry out various equivalent variations, be equal to and replace or simply revise according to thinking of the present utility model, these all should belong to the scope of technical solutions of the utility model.
Claims (4)
1. Dual-motors Driving motor rear axle, comprise diff, it is characterized in that: two drive motor are set on described back axle, the power connection of two motors exports two independently driving gears to, two independently driving gear be all meshed with the ring gear in diff, drive ring gear simultaneously.
2. Dual-motors Driving motor rear axle according to claim 1, is characterized in that: two described motors are positioned at the same side of diff or homonymy not on back axle length direction.
3. Dual-motors Driving motor rear axle according to claim 1, it is characterized in that: in the output of two described motors, all connect reductor, in the output of reductor, be fixedly connected with driving gear, driving gear is meshed with the ring gear of diff and drives the ring gear of diff.
4. Dual-motors Driving motor rear axle according to claim 1, is characterized in that: two described motors are positioned at the same side of diff on back axle length direction, and two electrical axis angle is in a circumferential direction 120
oor 180
o.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320670954.4U CN203611709U (en) | 2013-10-29 | 2013-10-29 | Dual-motor driving electric vehicle rear axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320670954.4U CN203611709U (en) | 2013-10-29 | 2013-10-29 | Dual-motor driving electric vehicle rear axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203611709U true CN203611709U (en) | 2014-05-28 |
Family
ID=50764379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320670954.4U Expired - Fee Related CN203611709U (en) | 2013-10-29 | 2013-10-29 | Dual-motor driving electric vehicle rear axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203611709U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196849A (en) * | 2014-06-23 | 2015-12-30 | 杨皓捷 | Dual-motor single-planet reducer and rear axle |
| CN105882399A (en) * | 2015-09-25 | 2016-08-24 | 北京长城华冠汽车科技股份有限公司 | Speed reduction box of electric automobile and control method |
| CN105904954A (en) * | 2015-09-25 | 2016-08-31 | 北京长城华冠汽车科技股份有限公司 | Input transmission device and control method 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 |
-
2013
- 2013-10-29 CN CN201320670954.4U patent/CN203611709U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196849A (en) * | 2014-06-23 | 2015-12-30 | 杨皓捷 | Dual-motor single-planet reducer and rear axle |
| CN105882399A (en) * | 2015-09-25 | 2016-08-24 | 北京长城华冠汽车科技股份有限公司 | Speed reduction box of electric automobile and control method |
| CN105904954A (en) * | 2015-09-25 | 2016-08-31 | 北京长城华冠汽车科技股份有限公司 | Input transmission device and control method for electric vehicle |
| CN105904954B (en) * | 2015-09-25 | 2018-11-16 | 北京长城华冠汽车科技股份有限公司 | The input transmission device and control method of electric car |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20151029 |
|
| EXPY | Termination of patent right or utility model |