CN207758565U - Drive assembly and vehicle - Google Patents
Drive assembly and vehicle Download PDFInfo
- Publication number
- CN207758565U CN207758565U CN201721700902.1U CN201721700902U CN207758565U CN 207758565 U CN207758565 U CN 207758565U CN 201721700902 U CN201721700902 U CN 201721700902U CN 207758565 U CN207758565 U CN 207758565U
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- wheel
- retarder
- vehicle
- differential mechanism
- driving motor
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Abstract
The utility model is related to a kind of drive assembly and vehicles.Vehicle includes vehicle frame, drive assembly is installed on the vehicle frame, the drive assembly includes the driving motor, main reducing gear and differential mechanism being sequentially connected in series, and the left and right output end of the differential mechanism is connect by semiaxis with the wheel retarder being fixedly connected on wheel respectively.Advantageous effect：By the way that tradition is divided into the main reducing gear being connected with driving motor and the wheel retarder being connect with wheel with the retarder that driving motor is connected, the volume and weight of driving motor, retarder and differential mechanism entirety can be reduced, and then arranged on vehicle chassis conducive to driving motor, retarder and differential mechanism.A driving torque part needed for vehicle is provided by the wheel retarder on wheel, reduces the output torque for the main reducing gear being connected to the motor, and to reduce torque suffered by semiaxis, amount of deflection suffered by semiaxis reduces, the problem of can effectively avoid half bending shaft.
Description
Technical field
The utility model belongs to technical field of vehicle, and in particular to a kind of drive assembly and vehicle.
Background technology
Currently, Global Emissions of Greenhouse Gas aggravates, various regions haze is serious, and environmental problem is increasingly prominent, and vehicle exhaust is recognized
One of the arch-criminal of the above problem is caused to be, and with the continuous consumption of petroleum-based energy, countries in the world have successively been put into effect and suspended sale of
Fuel-engined vehicle timetable, development new-energy automobile have become the very urgent task of automobile industry.
With the development of national new energy policy, automobile develops to motorized, and electric vehicle is propagated its belief on a large scale on the market.
Drive assembly on most electric vehicles is driving motor, retarder, differential mechanism connection, and differential mechanism is imparted power to by semiaxis
Wheel.When electric automobile during traveling, driving motor drives retarder, retarder that the high rotating speed of driving motor is changed into high torque, is subtracted
Fast device drives differential mechanism, differential mechanism to impart power to wheel by semiaxis.It is set when existing drive assembly design to improve torque
Timing often has the shortcomings that volume is big, weight weight, is unfavorable for arranging in the car；And when driving torque is larger, semiaxis institute
It is big by amount of deflection, it is flexible.
Utility model content
The purpose of this utility model is to provide a kind of drive assembly, solve that existing driving general name volume is big, weight weight；
The flexible problem of semiaxis；The purpose of this utility model also resides in the vehicle for providing a kind of above-mentioned drive assembly of installation.
To achieve the above object, the technical solution of the drive assembly of the utility model is：
Technical solution 1, a kind of drive assembly, including the driving motor, main reducing gear and the differential mechanism that are sequentially connected in series, the difference
The left and right output end of fast device is connect by semiaxis with the wheel retarder being fixedly connected on wheel respectively.
Advantageous effect：It is divided into the main reducing gear being connected with driving motor by the retarder that tradition is connected with driving motor
And the wheel retarder being connect with wheel, the volume and weight of driving motor, retarder and differential mechanism entirety can be reduced, in turn
It is arranged on vehicle chassis conducive to driving motor, retarder and differential mechanism.A driving torque part is by wheel needed for vehicle
Wheel retarder provides, and the output torque for the main reducing gear being connected to the motor is reduced, to reduce torque suffered by semiaxis, semiaxis
Suffered amount of deflection reduces, the problem of can effectively avoid half bending shaft.
Technical solution 2 is further improved on the basis of technical solution 1, and the differential mechanism is integrated in main reducing gear.Difference
Fast device is subjected to high torque caused by main reducing gear, and volume can be larger, and differential mechanism is integrated into main reducing gear, can reduce difference
Fast device and main reducing gear overall volume, are arranged in the car to be conducive to drive assembly.
Technical solution 3 is further improved on the basis of technical solution 2, the driving motor and main reducing gear integrated one
Body.On the basis of integrating differential mechanism in main reducing gear, driving motor and the integrated achievable driving motor of main reducing gear, deceleration
Device, differential mechanism are integrated, are conducive to reduce drive assembly volume and weight, and then can save energy consumption needed for driving vehicle,
Increase vehicle course continuation mileage.
Technical solution 4 is further improved on the basis of 1 ~ 3 any technical solution of technical solution, the wheel retarder
For single-stage planetary gear reducer.Single-stage planetary gear reducer is small to have weight while be easily disposed in hub for vehicle wheel
It measures light advantage and advantageously reduces drive assembly weight, and can to bear wheel institute loaded for bearing capacity height.
Technical solution 5, is further improved on the basis of 1 ~ 3 any technical solution of technical solution, and the main reducing gear is
Level-one parallel shaft (speed) reducer.Level-one parallel axes tacho can transmit high torque and it is small, light-weight be conducive to arrangement.
The technical solution of the vehicle of the utility model is：
Technical solution 1, a kind of vehicle, including vehicle frame are equipped with drive assembly on the vehicle frame, and the drive assembly includes
The left and right output end of driving motor, main reducing gear and the differential mechanism being sequentially connected in series, the differential mechanism passes through semiaxis and fixation respectively
The wheel retarder connection being connected on wheel.
Advantageous effect：It is divided into the main reducing gear being connected with driving motor by the retarder that tradition is connected with driving motor
And the wheel retarder being connect with wheel, the volume and weight of driving motor, retarder and differential mechanism entirety can be reduced, in turn
It is arranged on vehicle chassis conducive to driving motor, retarder and differential mechanism.A driving torque part is by wheel needed for vehicle
Wheel retarder provides, and the output torque for the main reducing gear being connected to the motor is reduced, to reduce torque suffered by semiaxis, semiaxis
Suffered amount of deflection reduces, the problem of can effectively avoid half bending shaft.
Technical solution 2 is further improved on the basis of technical solution 1, and the differential mechanism is integrated in main reducing gear.Difference
Fast device is subjected to high torque caused by main reducing gear, and volume can be larger, and differential mechanism is integrated into main reducing gear, can reduce difference
Fast device and main reducing gear overall volume, are arranged in the car to be conducive to drive assembly.
Technical solution 3 is further improved on the basis of technical solution 2, the driving motor and main reducing gear integrated one
Body.On the basis of integrating differential mechanism in main reducing gear, driving motor and the integrated achievable driving motor of main reducing gear, deceleration
Device, differential mechanism are integrated, are conducive to reduce drive assembly volume and weight, and then can save energy consumption needed for driving vehicle,
Increase vehicle course continuation mileage.
Technical solution 4 is further improved on the basis of technical solution 3, and the wheel retarder is fixedly connected on wheel
In wheel hub.Wheel retarder, which is located in hub for vehicle wheel, to be conducive to wheel retarder can be protected from rainwater and dust while arrangement
Pollution.
Technical solution 5 is further improved on the basis of 1 ~ 4 any technical solution of technical solution, the wheel retarder
For single-stage planetary gear reducer.Single-stage planetary gear reducer is small to have weight while be easily disposed in hub for vehicle wheel
It measures light advantage and advantageously reduces drive assembly weight, and can to bear wheel institute loaded for bearing capacity height.
Technical solution 6, is further improved on the basis of 1 ~ 4 any technical solution of technical solution, and the main reducing gear is
Level-one parallel shaft (speed) reducer.Level-one parallel axes tacho can transmit high torque and it is small, light-weight be conducive to arrangement.
Description of the drawings
Fig. 1 is the structural schematic diagram of the drive assembly in the embodiment 1 of the vehicle in the utility model；
Fig. 2 is the structural schematic diagram of the drive assembly in the embodiment 2 of the vehicle in the utility model；
In attached drawing：1, wheel retarder；2, wheel；3, driving motor；4, main reducing gear；5, semiaxis；6, differential mechanism；7, row
Star-wheel；8, sun gear；9, planet carrier；10, gear ring；11, driving motor；12, retarder；13, differential mechanism.
Specific implementation mode
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment 1 of the vehicle of the utility model, as described in Figure 1, a kind of vehicle includes vehicle frame, is equipped on vehicle frame
Drive assembly, drive assembly include driving motor 3, main reducing gear 4 and differential mechanism 6, and the output end of driving motor 3 accesses main deceleration
The output end of the input terminal of device 4, main reducing gear 4 is connect with the input terminal of differential mechanism 6, and the left and right output end of differential mechanism 6 leads to respectively
It crosses semiaxis 5 to connect with wheel retarder 1, wheel retarder 1 is fixedly connected in the wheel hub of wheel 2.
In order to reduce driving motor 3, main reducing gear 4 and the overall volume and weight of differential mechanism 6, exist convenient for drive assembly
It is arranged in vehicle, the driving motor 3, main reducing gear 4 in the present embodiment are integrated in one with differential mechanism 6, the drive being integrated in one
Dynamic motor 3, main reducing gear 4 and differential mechanism 6 are as center driven part.Center driven part includes shell, enclosure interior setting
It includes shell to have driving motor 3, driving motor 3, and motor stator component and rotor are fixed in 3 shell of driving motor, and motor turns
Motor output shaft is provided on son.Main reducing gear 4 is additionally provided in center driven partial shell, main reducing gear 4 is that level-one is parallel
Axis main reducing gear 4, level-one parallel axes tacho can transmit high torque and small, light-weight, be conducive to drive assembly in car body
On arrangement.Main reducing gear 4 includes bevel housing, and bevel housing mounted inside has main reducing gear input shaft, master to subtract
Fast device output shaft and gear drive, gear drive include and the gear of input axis connection and the tooth being connected with exporting axis
Wheel.Differential mechanism 6 is integrated in inside main reducing gear 4, and the left and right output end of differential mechanism 6 is connected with semiaxis 5.Left and right half 5 is distinguished
It is connect with the wheel retarder 1 being fixed on wheel.Wheel retarder 1 is single-stage planetary gear reducer, single-pinion planetary gear
Wheel retarder 1 includes planetary gear 7, sun gear 8, planet carrier 9 and gear ring 10.
When driving, driver makes driving motor 3 rotate to the vehicle of the utility model by control system, and driving motor 3 is defeated
Outlet drives main reducing gear 4 to operate, and 3 high-speed rotation of driving motor is changed into low speed and large torque and rotated by main reducing gear 4, and low speed is high
Torque rotation passes to wheel retarder 1 by differential mechanism 6 and semiaxis 5, and wheel retarder 1 is further by low speed and large torque rotating speed
Vehicle wheel rotation is driven after reducing velocity of rotation and high torque.Driver can control vehicle by controlling the rotating speed of driving motor 3
Travel speed.
The specific embodiment 2 of the vehicle of the utility model, as shown in Fig. 2, the driving motor 11 in the present embodiment is two,
Retarder 12 is three-level parallel shaft (speed) reducer, other are same as Example 1, repeat no more.
The specific embodiment 3 of the vehicle of the utility model, in the present embodiment, driving motor, main reducing gear and differential mechanism
For independent sector, driving motor drives main reducing gear rotation, main reducing gear to drive differential mechanism rotation, the left and right both ends of differential mechanism
Output end is rotated by semiaxis and wheel retarder connect band motor car wheel.
Wheel retarder in above-described embodiment is not limited to single-stage planetary gear reducer or other kinds of subtracts
Fast device.
Drive assembly in the embodiment of the drive assembly of the utility model and each embodiment of the vehicle of the utility model
Each embodiment it is identical, repeat no more.
Claims (11)
1. drive assembly, it is characterised in that：Including the driving motor, main reducing gear and differential mechanism being sequentially connected in series, the differential mechanism
Left and right output end connect respectively with the wheel retarder being fixedly connected on wheel by semiaxis.
2. drive assembly according to claim 1, it is characterised in that：The differential mechanism is integrated in main reducing gear.
3. drive assembly according to claim 2, it is characterised in that：The driving motor and main reducing gear are integrated.
4. according to claim 1 ~ 3 any one of them drive assembly, it is characterised in that：The wheel retarder is single-stage planetary
Gear reduction unit.
5. according to claim 1 ~ 3 any one of them drive assembly, it is characterised in that：The main reducing gear is level-one parallel axes
Retarder.
6. vehicle, including vehicle frame, drive assembly is installed on the vehicle frame, it is characterised in that：The drive assembly includes successively
Driving motor, main reducing gear and the differential mechanism of concatenation, the left and right output end of the differential mechanism respectively by semiaxis be fixedly connected
Wheel retarder connection on wheel.
7. vehicle according to claim 6, it is characterised in that：The differential mechanism is integrated in main reducing gear.
8. vehicle according to claim 7, it is characterised in that：The driving motor and main reducing gear are integrated.
9. vehicle according to claim 8, it is characterised in that：The wheel retarder is fixedly connected in hub for vehicle wheel.
10. according to claim 6 ~ 9 any one of them vehicle, it is characterised in that：The wheel retarder is single-stage planetary tooth
Wheel decelerator.
11. according to claim 6 ~ 9 any one of them vehicle, it is characterised in that：The retarder slows down for level-one parallel axes
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721700902.1U CN207758565U (en) | 2017-12-08 | 2017-12-08 | Drive assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721700902.1U CN207758565U (en) | 2017-12-08 | 2017-12-08 | Drive assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207758565U true CN207758565U (en) | 2018-08-24 |
Family
ID=63190227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721700902.1U Active CN207758565U (en) | 2017-12-08 | 2017-12-08 | Drive assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207758565U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109895620A (en) * | 2017-12-08 | 2019-06-18 | 郑州宇通客车股份有限公司 | A kind of drive assembly and vehicle |
| CN110744997A (en) * | 2019-11-01 | 2020-02-04 | 重庆坚峰汽车科技有限公司 | Electric drive bridge |
-
2017
- 2017-12-08 CN CN201721700902.1U patent/CN207758565U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109895620A (en) * | 2017-12-08 | 2019-06-18 | 郑州宇通客车股份有限公司 | A kind of drive assembly and vehicle |
| CN110744997A (en) * | 2019-11-01 | 2020-02-04 | 重庆坚峰汽车科技有限公司 | Electric drive bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
|
| CP03 | Change of name, title or address |