CN208812880U - A kind of electric drive axle assembly - Google Patents
A kind of electric drive axle assembly Download PDFInfo
- Publication number
- CN208812880U CN208812880U CN201821528109.2U CN201821528109U CN208812880U CN 208812880 U CN208812880 U CN 208812880U CN 201821528109 U CN201821528109 U CN 201821528109U CN 208812880 U CN208812880 U CN 208812880U
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- China
- Prior art keywords
- gear
- driving motor
- rear axle
- double
- differential mechanism
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Abstract
The utility model discloses a kind of electric drive axle assembly, including driving motor, rear axle and differential mechanism, driving motor is connect with the retarder on rear axle, and driving motor and rear axle are direct-connected structure, half axis connection in differential mechanism and rear axle.Flange face on the mounting surface and retarder of driving motor is connected by fastener, and one end on driving motor far from mounting surface is connected on the axle housing of rear axle by bracket.Retarder is double reduction, including primary speed-down gear and double-reduction gear, the driving gear I of primary speed-down gear is connected on input shaft, the driving gear II of double-reduction gear and the driven gear I of primary speed-down gear are coaxially all connected on jackshaft, and the driven gear II of double-reduction gear is connected on differential mechanism.The power transmitted through retarder is passed into differential mechanism, differential mechanism imparts power to the semiaxis in rear axle, passes to wheel through semiaxis, realizes the movement of automobile.The electric drive axle general assembly of the utility model is simple, transmission efficiency is high.
Description
Technical field
The utility model belongs to electric vehicle engineering field, in particular to electric car actuation techniques field, and in particular to
A kind of electric drive axle assembly.
Background technique
At present after traditional energy automobile drive system the kind of drive as shown in Figure 1, its power drive system use engine a
→ gearbox b → transmission shaft c → rear driving axle d kind of drive, wherein rear driving axle is using conventional main reducing gear primary speed-down
Structure is penetrated through power source and rear driving axle with one or more snippets formula transmission shaft.That presently, there are transmission efficiencies is low for this kind of drive,
The disadvantages such as structure is complicated, components are more, assembly efficiency is low.And as country further increases environmental requirement, traditional energy
Vehicle has been unable to satisfy the requirement of energy consumption and discharge, and Development of EV has been trend of the times.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of driving motors with rear axle is
Electric drive axle assembly direct-connected, that assembly is simple, transmission efficiency is high.
To achieve the above object, a kind of the technical solution of the utility model are as follows: electric drive axle assembly, it is characterised in that: packet
Driving motor, rear axle and differential mechanism are included, the driving motor is connect with the retarder on the rear axle, the driving motor and institute
Stating rear axle is direct-connected structure, half axis connection in the differential mechanism and the rear axle.
Further, the retarder is double reduction, including primary speed-down gear and double-reduction gear, the level-one
The driving gear I of reduction gearing is connected on input shaft, the driving gear II and the primary speed-down of the double-reduction gear
The driven gear I of gear is coaxially all connected on jackshaft, and the driven gear II of the double-reduction gear is connected to the differential
On device.
Further, the input shaft is splined shaft, and the output end of the driving motor is passed power by spline fitted
It is sent on the input shaft, obtains the corresponding slow-speed of revolution and high torque after primary speed-down gear and double-reduction gear slow down,
The differential mechanism is passed to again.
Further, the mounting surface of the driving motor is connect with the flange face on the retarder by fastener.
Further, one end on the driving motor far from the mounting surface is connected to the bridge of the rear axle by bracket
On shell.
Further, one end of the bracket is fixedly connected with the driving motor, and the other end of the bracket passes through tight
Firmware is connected on the axle housing.
The advantages of using technical solutions of the utility model are as follows:
1. the utility model eliminates the speed change in conventional vehicle transmission system using driving motor and the direct-connected structure of rear axle
Case and transmission shaft, power source are changed to driving motor by engine, are connected by spline and carry out power transmission, have assembly letter
Advantage single, transmission efficiency is high, overcomes that transmission efficiency existing for traditional transmission mode is low, structure is complicated, components are more, assembles
The disadvantages of low efficiency, meets requirement of the country to energy consumption and discharge, has pushed the development of electric vehicle.
2. the utility model reduces the reduction of speed torque increase to power source, to solve this problem, this is practical because cancelling gearbox
Retarder on novel middle rear axle is double reduction by traditional primary speed-down design for change, to reach the requirement of vehicle dynamic property
Reduction of speed torque increase.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments:
Fig. 1 is traditional energy vehicle transmission system and rear driving axle assembly.
Fig. 2 is the overall structure diagram of the utility model electric drive axle assembly.
Fig. 3 is the partial enlarged view of the utility model rear axle.
Label in above-mentioned figure is respectively as follows: 1, driving motor；11, mounting surface；2, rear axle；21, axle housing；3, retarder；31,
Primary speed-down gear；311, driving gear I；312, driving gear I；32, double-reduction gear；321, driving gear II；322,
Driven gear II；33, input shaft；34, jackshaft；4, differential mechanism；5, bracket.
Specific embodiment
In the present invention, it is to be understood that term " length ", " width ", "upper", "lower", "front", "rear",
"left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " clockwise ", " counterclockwise ", " axial direction ", " radial direction ",
The orientation or positional relationship of instructions such as " circumferential directions " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description originally
Utility model and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as limiting the present invention.
As shown in Figure 1 and Figure 2, a kind of electric drive axle assembly, including driving motor 1, rear axle 2 and differential mechanism 4, driving motor 1
It is connect with the retarder 3 on rear axle 2, driving motor 1 and rear axle 2 are direct-connected structure, and the semiaxis in differential mechanism 4 and rear axle 2 connects
It connects.The mounting surface 11 of driving motor 1 is connect with the flange face on retarder 3 by fastener, far from mounting surface on driving motor 1
11 one end is connected on the axle housing 21 of rear axle 2 by bracket 5.One end of bracket 5 is fixedly connected with driving motor 1, bracket 5
The other end is connected on axle housing 21 by fastener.Fastener in the utility model is to be able to achieve the connection for being connected and fixed function
Part, such as: bolt, nut, screw, screw etc..The mounting surface 11 of driving motor 1 and the flange face on retarder 3 are consolidated with bolt
Fixed, driving motor 1 is fixed on the axle housing 21 of rear axle 2 by one end on driving motor 1 far from mounting surface 11 by bracket 5, is protected
The stability in driving motor operation process is demonstrate,proved.
The utility model eliminates the speed change in conventional vehicle transmission system using driving motor 1 and the direct-connected structure of rear axle 2
Case and transmission shaft, power source are changed to driving motor 1 by engine.Because cancelling gearbox, reduce the reduction of speed increasing to power source
It turns round, to solve this problem, the retarder 3 in the utility model on rear axle is subtracted by traditional primary speed-down design for change for second level
Speed, to reach the reduction of speed torque increase of vehicle dynamic property requirement.The double reduction includes primary speed-down gear 31 and double reduction tooth
Wheel 32, the driving gear I 311 of primary speed-down gear 31 is connected on input shaft 33, the driving gear II of double-reduction gear 32
321 with the driven gear I 312 of primary speed-down gear 31 is coaxial is all connected on jackshaft 34, the driven tooth of double-reduction gear 32
II 322 are taken turns to be connected on differential mechanism 4.The power transmitted through retarder 3 is passed into differential mechanism 4, differential mechanism 4 imparts power to
Semiaxis in rear axle 2 passes to wheel through semiaxis, realizes the movement of automobile.
Above-mentioned input shaft 33 is splined shaft, and power is transmitted to input shaft by spline fitted by the output end of driving motor 1
On 33, the corresponding slow-speed of revolution and high torque are obtained after primary speed-down gear 31 and double-reduction gear 32 slow down, meets vehicle
Dynamic property requirement, then differential mechanism 4 is passed to, differential mechanism 4 solves the problems, such as the differential in the case of the left and right variable speeds such as turning.
The utility model is connected by spline using driving motor 1 and the direct-connected structure of rear axle 2 and is carried out power transmission, tool
Have the advantages that assembly is simple, transmission efficiency is high.
The utility model is exemplarily described in conjunction with attached drawing above, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, as long as using the improvement for the various unsubstantialities that technical solutions of the utility model carry out, or without changing
Directly apply to other occasions by the conception and technical scheme of the utility model, the protection scope of the utility model it
It is interior.
Claims (6)
1. a kind of electric drive axle assembly, it is characterised in that: including driving motor (1), rear axle (2) and differential mechanism (4), the driving
Motor (1) is connect with the retarder (3) on the rear axle (2), and the driving motor (1) and the rear axle (2) are direct-connected knot
Structure, the differential mechanism (4) and half axis connection in the rear axle (2).
2. a kind of electric drive axle assembly as described in claim 1, it is characterised in that: the retarder (3) is double reduction, packet
Include primary speed-down gear (31) and double-reduction gear (32), driving gear I (311) connection of the primary speed-down gear (31)
On input shaft (33), the driving gear II (321) of the double-reduction gear (32) and the primary speed-down gear (31)
Driving gear I (311) is coaxially all connected on jackshaft (34), and the driven gear II (322) of the double-reduction gear (32) is even
It connects on the differential mechanism (4).
3. a kind of electric drive axle assembly as claimed in claim 2, it is characterised in that: the input shaft (33) is splined shaft, institute
Power is transmitted on the input shaft (33) by the output end for stating driving motor (1) by spline fitted, through primary speed-down gear
(31) and after double-reduction gear (32) deceleration the corresponding slow-speed of revolution and high torque are obtained, then passes to the differential mechanism (4).
4. a kind of electric drive axle assembly as described in claims 1 to 3 any one, it is characterised in that: the driving motor (1)
Mounting surface (11) connect with the flange face on the retarder (3) by fastener.
5. a kind of electric drive axle assembly as claimed in claim 4, it is characterised in that: far from described on the driving motor (1)
One end of mounting surface (11) is connected on the axle housing (21) of the rear axle (2) by bracket (5).
6. a kind of electric drive axle assembly as claimed in claim 5, it is characterised in that: one end of the bracket (5) and the drive
Dynamic motor (1) is fixedly connected, and the other end of the bracket (5) is connected on the axle housing (21) by fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821528109.2U CN208812880U (en) | 2018-09-17 | 2018-09-17 | A kind of electric drive axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821528109.2U CN208812880U (en) | 2018-09-17 | 2018-09-17 | A kind of electric drive axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208812880U true CN208812880U (en) | 2019-05-03 |
Family
ID=66277576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821528109.2U Active CN208812880U (en) | 2018-09-17 | 2018-09-17 | A kind of electric drive axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208812880U (en) |
-
2018
- 2018-09-17 CN CN201821528109.2U patent/CN208812880U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 241000 No. 8 Building, Science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Patentee after: Chery Commercial Vehicles (Anhui) Co., Ltd. Address before: 241009 Changchun Road, Wuhu economic and Technological Development Zone, Wuhu, Anhui Province, No. 16 Patentee before: Chery Commercial Vehicles (Anhui) Co., Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230504 Address after: Floor 18, Building 13, Science and Technology Industrial Park, No. 717 Zhongshan South Road, Wuhu High tech Industrial Development Zone, Yijiang District, Wuhu City, Anhui Province, 241000 Patentee after: Wuhu Tairui Automobile Co.,Ltd. Address before: 241000 Building 8, science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Patentee before: Chery Commercial Vehicles (Anhui) Co., Ltd. |
|
| TR01 | Transfer of patent right |