CN207630940U - A kind of integrated form planetary gear speed-reduction differential speed motor for new-energy automobile - Google Patents
A kind of integrated form planetary gear speed-reduction differential speed motor for new-energy automobile Download PDFInfo
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- CN207630940U CN207630940U CN201721537371.9U CN201721537371U CN207630940U CN 207630940 U CN207630940 U CN 207630940U CN 201721537371 U CN201721537371 U CN 201721537371U CN 207630940 U CN207630940 U CN 207630940U
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 60
- 238000010276 construction Methods 0.000 claims description 5
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- 230000005540 biological transmission Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
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- 230000007613 environmental effect Effects 0.000 description 1
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Abstract
The integrated form planetary gear speed-reduction differential speed motor of the utility model, driving motor output end is connected with differential mechanism through speed reducer, driving motor, gear reducer, differential mechanism are become one structure by driving motor shell, decelerator shell, differential mechanism shell and vehicle enclosure, a part as new energy axle shell, it is compact-sized, occupied space is few, significantly reduces overall weight；Differential mechanism inner casing is fixedly connected in output end of reducer, differential mechanism is separately connected vehicle left half axle, right axle shaft by left and right half gear, the rotating speed of driving motor output is after the deceleration of cartridge type planet-gear speed reducer, the torque that different numerical value are converted to by differential mechanism is respectively delivered to vehicle left half axle, on right axle shaft, realize vehicle left half axle, the driving of right axle shaft differential, both motor or so semiaxis output torque simultaneously can have been realized, it can realize differential automatically again, meet the needs of two sidecar wheel different rotating speeds of new-energy automobile.
Description
Technical field
The utility model is related to a kind of integrated form planetary gear speed-reduction differential speed motors for new-energy automobile.
Background technology
Due to energy consumption and pollution problem getting worse, national policy supports the development of guiding new-energy automobile energetically, with
The enhancing of people's environmental consciousness and the drop of the promotion of the progress especially cruising ability of new-energy automobile manufacturing technology and cost
Low, new-energy automobile development is become better and better.New-energy automobile becomes the emphasis direction increased in industry future, has a vast market
Foreground and opportunity；And the dynamic structure in conventional truck transmission system is generally driving motor, driving motor is existed by speed reducer
Rotating speed is matched between prime mover and working machine or executing agency, transmits torque, to reduce rotating speed, increase torque, planetary gear reduction
Fast machine is small with its, transmission efficiency, many advantages, such as reduction range is wide, precision is high, to be widely used in servo electricity
In the transmission systems such as machine, stepper motor, direct current generator；Conventional planetary gear decelerating motor can only be exported from one end to a direction
Torque can not achieve both direction forwards, backwards while output torque；Motor in special new-energy automobile, can not achieve to both sides
Transmission mechanism transmits the torque of different numerical value simultaneously, and new-energy automobile is compact-sized, and differential mechanism is still further arranged and adjusts left and right
The speed discrepancy of wheel, motor, speed reducer, differential mechanism respectively have live spindle, and each live spindle and vehicle axles are not same roots
Axis, connection structure is complicated, and amount of parts is more, and volume is necessarily large and bulky, and occupied space is more, and installation operation is cumbersome.
Invention content
Technical problem to be solved by the utility model is to provide one kind realizing difference automatically while output torque
Speed, compact-sized, small, installation operation is conveniently used for the integrated form planetary gear speed-reduction differential speed motor of new-energy automobile.
The utility model is used for the integrated form planetary gear speed-reduction differential speed motor of new-energy automobile, includes driving motor,
It is characterized in that：Driving motor output end is connected with differential mechanism through speed reducer, and driving motor, gear reducer, differential mechanism are respectively provided with
Motor housing, decelerator shell, differential mechanism shell, driving motor, gear reducer, the setting of differential mechanism arranged in co-axial alignment, motor housing subtract
Fast machine shell, differential mechanism shell and vehicle enclosure become one structure, and differential mechanism also has differential mechanism inner casing, differential mechanism inner casing
It is fixedly connected in output end of reducer；Speed reducer is cartridge type planet-gear speed reducer, and differential mechanism is planetary gear differential
Device；Left and right half gear is installed, differential mechanism inner casing transmits torque with the cooperation of left and right half gear inside differential mechanism；Left and right half
Shaft gear is connected separately with vehicle and fixes left half axle, right axle shaft, and left half axle, right axle shaft output end stretch out outside differential mechanism and vehicle
Revolver axis, right wheel axis connection；Cartridge type planet-gear speed reducer is fixed in vehicle on left half axle by hollow-core construction empty set；
The central rotating shaft of the driving motor is hollow-core construction, and also empty set is mounted on vehicle fixation left half axle to central rotating shaft
On, central rotating shaft output end is stretched into inside speed reducer and is connected with speed reducer inner sun wheel；
The decelerator shell of the cartridge type planet-gear speed reducer is internally provided with planet carrier, planetary gear
Planetary gear is installed, planetary gear is engaged with sun gear on bearing；
The left half axle output end sequentially passes through the central rotating shaft inner cavity of cartridge type planet-gear speed reducer, driving motor
Afterwards with vehicle revolver axis connection；
The central rotating shaft is connected by external splines and sun gear internal spline；
The left half axle, right axle shaft output end are provided with ring flange, and stop nut is provided on the outside of ring flange；
There is electric motor end cap, speed reducer to have speed reducer end cap for the driving motor end.
The utility model is used for the integrated form planetary gear speed-reduction differential speed motor of new-energy automobile, and driving motor output turns
For speed after the deceleration of cartridge type planet-gear speed reducer, the torque that different numerical value are converted to by differential mechanism is respectively delivered to vehicle
On fixed left half axle, right axle shaft, realizes vehicle left half axle, the driving of right axle shaft differential, can both realize that motor or so semiaxis was defeated simultaneously
Go out torque, and can realize differential automatically, meets the needs of two sidecar wheel different rotating speeds of new-energy automobile；Driving motor, gear reducer,
Differential mechanism is become one structure by driving motor shell, decelerator shell and vehicle enclosure, as new energy axle shell
A part, compact-sized, occupied space is few, significantly reduces overall weight.
Description of the drawings
Fig. 1 is the integrated form planetary gear speed-reduction differential speed motor planar junction that the utility model embodiment is used for new-energy automobile
Structure schematic diagram.
Specific implementation mode
As shown, a kind of integrated form planetary gear speed-reduction differential speed motor for new-energy automobile, includes driving electricity
Machine 5,5 output end of driving motor are connected with differential mechanism 15 through speed reducer 8, and driving motor 5, speed reducer 8, differential mechanism 15 are respectively provided with
Motor housing 7, decelerator shell 12, differential mechanism shell 16, driving motor 5, speed reducer 8, the setting of 15 arranged in co-axial alignment of differential mechanism, electricity
Machine shell 7, decelerator shell 12, differential mechanism shell 16 and vehicle enclosure become one structure, and differential mechanism also has differential mechanism
Inner casing, differential mechanism inner casing are fixedly connected on 8 output end of speed reducer；Speed reducer 8 is cartridge type planet-gear speed reducer, differential
Device 15 is satellite differential；15 inside installation left and right half gear 14 of differential mechanism, differential mechanism inner casing and left and right half tooth
Torque is transmitted in 14 cooperation of wheel；Left and right half gear 14 is connected separately with left half axle 3, right axle shaft 17, and left half axle 3, right axle shaft 17 are defeated
Outlet stretches out 15 outside of differential mechanism and vehicle revolver axis, right wheel axis connection, cartridge type planet-gear speed reducer pass through hollow knot
Structure empty set is fixed in vehicle on left half axle 3；Driving motor 5 export rotating speed through cartridge type planet-gear speed reducer deceleration after,
The torque that different numerical value are converted to by differential mechanism 15 is respectively delivered to vehicle left half axle 3, on right axle shaft 17, realizes vehicle left half
Axis 3, the driving of 17 differential of right axle shaft can not only realize motor or so semiaxis output torque simultaneously, but also can realize differential automatically, meet new
The demand of two sidecar wheel different rotating speeds of energy automobile.
The central rotating shaft 6 of driving motor 5 is hollow-core construction, and 8 inside of speed reducer and and speed reducer are stretched into 6 one end of central rotating shaft
8 inner sun wheels 9 are connected, and after driving motor 5 powers on, driving motor 5 passes through 6 output torque of central rotating shaft to deceleration
On the sun gear 9 of machine 8.
The decelerator shell 12 of cartridge type planet-gear speed reducer is internally provided with planet carrier 11, planetary gear
Planetary gear 10 is installed, planetary gear 10 is engaged with sun gear 9 on bearing 11；Driving motor 5 is exported by central rotating shaft 6
Torque is transmitted to slow down on planetary gear 10 and export through the engagement of sun gear 9.
3 output end of left half axle sequentially passes through 6 inner cavity of central rotating shaft of cartridge type planet-gear speed reducer, driving motor 5
Afterwards with vehicle revolver axis connection；Central rotating shaft 6 is connected by external splines and 9 internal spline of sun gear, and connection is reliable, and power passes
Pass stabilization.
Left half axle 3,17 output end of right axle shaft are provided with ring flange 2, and 2 outside of ring flange is provided with stop nut 1, passes through method
Blue disk 2, the cooperation installation connection vehicle axles of stop nut 1.
There is 5 end of driving motor electric motor end cap 4, speed reducer 8 to have speed reducer end cap 13, degree of protection high.
The utility model is used for the integrated form planetary gear speed-reduction differential speed motor of new-energy automobile, and driving motor output turns
For speed after the deceleration of cartridge type planet-gear speed reducer, the torque that different numerical value are converted to by differential mechanism is respectively delivered to vehicle
On left half axle, right axle shaft, realizes vehicle left half axle, the driving of right axle shaft differential, can both realize motor or so semiaxis while export torsion
Square, and differential can be realized automatically, meet the needs of two sidecar wheel different rotating speeds of new-energy automobile；Driving motor, gear reducer, differential
Device is become one structure by driving motor shell, decelerator shell and vehicle enclosure, and one as new energy axle shell
Part, compact-sized, occupied space is few, significantly reduces overall weight.
The utility model provides a kind of planetary gear speed-reduction differential speed motor of integrated form.It is related to new-energy automobile technology neck
Domain is a kind of novel prerequisite mechanism of new-energy automobile vehicle bridge, realizes the right and left after slowing down after motor while exporting
Increased torque realizes the function of integrated novel new-energy automobile vehicle bridge.Compact-sized, stability is high, safety
Performance is good, can mitigate weight significantly, greatly reduce space, more economical practical, and maintaining is at low cost, and applicability is wide.
The purpose of this utility model is to be directed to new-energy automobile, reaches the mesh for improving efficiency, mitigating weight, reducing volume
, it realizes the planetary gear speed-reduction differential speed motor both sides of integrated form while exporting increased torque function after deceleration differential, design
Rationally, compact-sized；Both sides while output torque, and it is suitable for integrated vehicle bridge.Hollow output shaft deceleration motor
Shell is a vehicle bridge shell part, mitigates weight, compact-sized.Stability is high, has a safety feature, can substantially reduce volume, greatly
It is big to mitigate weight, the cost of input is greatly reduced, it is more economical practical, and maintaining is at low cost, applicability is wide, especially suitable
For new-energy automobile vehicle bridge.
The utility model is used for the integrated form planetary gear speed-reduction differential speed motor specific embodiment of new-energy automobile：
The central rotating shaft 6 of driving motor 5 is hollow output shaft, and by powering on, driving motor passes through hollow output shaft
Output torque.
Speed reducer 8 is a kind of cartridge type planet-gear speed reducer, and 8 left end of speed reducer is connected with 5 right end of driving motor, is driven
6 external splines of hollow output shaft of dynamic motor is connected with 9 internal spline of sun gear.
Differential mechanism 15 is common planetary gear differential mechanism, and differential mechanism shell 16 is directly connected with output end of reducer, left and right
Axle shaft gear 14 is connected with left half axle 3 and right axle shaft 17 respectively.
Motor output torque outputs torque to speed reducer by output hollow shaft 8 and is transmitted to speed reducer 12, and speed reducer subtracts
Differential mechanism 15 is output torque to after speed, differential mechanism is transmitted to by differential by torque by left and right half gear 14 respectively
Left half axle and right axle shaft realize left and right ends output torque simultaneously.
The utility model is used for the integrated form planetary gear speed-reduction differential speed motor advantage of new-energy automobile：
1, driving motor output rotating speed is slowed down by planet-gear speed reducer, after differential mechanism differential, is transmitted to left and right
Semiaxis realizes that left and right half output rotating speed is inconsistent.
2, the planetary gear speed-reduction differential speed motor of integrated form, motor, speed reducer, differential mechanism is integrated, motor output
Torque is to planet-gear speed reducer, by differential mechanism differential, can not only realize motor or so semiaxis output torque simultaneously, but also can be automatic
It realizes differential, meets the needs of two sidecar wheel of new-energy automobile.
3, the longitudinal word connection of hollow driving motor, hollow planet-gear speed reducer, differential mechanism, by motor housing, slows down
Machine shell and vehicle bridge shell are integrated, compact-sized as a part for new energy axle shell, save space, and weight is big
It is big to mitigate.
Claims (7)
1. a kind of integrated form planetary gear speed-reduction differential speed motor for new-energy automobile includes driving motor（5）, feature
It is：Driving motor（5）Output end is through speed reducer（8）It is connected with differential mechanism（15）, driving motor（5）, speed reducer（8）, differential
Device（15）It is respectively provided with motor housing（7）, decelerator shell（12）, differential mechanism shell（16）, driving motor（5）, speed reducer
（8）, differential mechanism（15）Arranged in co-axial alignment is arranged, motor housing（7）, decelerator shell（12）, differential mechanism shell（16）With outside vehicle
Shell becomes one structure, and also there is differential mechanism differential mechanism inner casing, differential mechanism inner casing to be fixedly connected in output end of reducer；Subtract
Fast machine（8）For cartridge type planet-gear speed reducer, differential mechanism（15）For satellite differential；Differential mechanism（15）Inside installation
Left and right half gear 14, differential mechanism inner casing and left and right half gear（14）Torque is transmitted in cooperation；Left and right half gear（14）Point
It is not connected with vehicle and fixes left half axle（3）, right axle shaft（17）, left half axle（3）, right axle shaft（17）Output end stretches out differential mechanism（15）
External and vehicle revolver axis, right wheel axis connection；Cartridge type planet-gear speed reducer is fixed by hollow-core construction empty set in vehicle
Left half axle（3）On.
2. being used for the integrated form planetary gear speed-reduction differential speed motor of new-energy automobile according to claim 1, it is characterised in that：
The driving motor（5）Central rotating shaft（6）For hollow-core construction, central rotating shaft（6）Output end stretches into speed reducer（8）It is internal and with
Speed reducer（8）Inner sun wheel（9）It is connected.
3. being used for the integrated form planetary gear speed-reduction differential speed motor of new-energy automobile according to claim 1, it is characterised in that：
The decelerator shell of the cartridge type planet-gear speed reducer（12）It is internally provided with planet carrier（11）, planetary gear
Bearing（11）On planetary gear is installed（10）, planetary gear（10）With sun gear（9）Engagement.
4. being used for the integrated form planetary gear speed-reduction differential speed motor of new-energy automobile according to claim 2, it is characterised in that：
The left half axle（3）Output end sequentially passes through cartridge type planet-gear speed reducer, driving motor（5）Central rotating shaft（6）It is interior
After chamber with vehicle revolver axis connection.
5. being used for the integrated form planetary gear speed-reduction differential speed motor of new-energy automobile according to claim 2, it is characterised in that：
The central rotating shaft（6）Pass through external splines and sun gear（9）Internal spline is connected.
6. being used for the integrated form planetary gear speed-reduction differential speed motor of new-energy automobile according to claim 1, it is characterised in that：
The left half axle（3）, right axle shaft（17）Output end is provided with ring flange（2）, ring flange（2）Outside is provided with stop nut（1）.
7. being used for the integrated form planetary gear speed-reduction differential speed motor of new-energy automobile according to claim 1, it is characterised in that：
The driving motor（5）End has electric motor end cap（4）, speed reducer（8）With speed reducer end cap（13）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721537371.9U CN207630940U (en) | 2017-11-17 | 2017-11-17 | A kind of integrated form planetary gear speed-reduction differential speed motor for new-energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721537371.9U CN207630940U (en) | 2017-11-17 | 2017-11-17 | A kind of integrated form planetary gear speed-reduction differential speed motor for new-energy automobile |
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| Publication Number | Publication Date |
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| CN207630940U true CN207630940U (en) | 2018-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721537371.9U Active CN207630940U (en) | 2017-11-17 | 2017-11-17 | A kind of integrated form planetary gear speed-reduction differential speed motor for new-energy automobile |
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| CN (1) | CN207630940U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107933272A (en) * | 2017-11-17 | 2018-04-20 | 航科汽车底盘系统（镇江）有限公司 | A kind of integrated form planetary gear speed-reduction differential speed motor for new-energy automobile |
| CN109747402A (en) * | 2019-02-28 | 2019-05-14 | 北京宏瑞汽车科技股份有限公司 | A kind of integrated electric drive system |
| WO2020037495A1 (en) * | 2018-08-21 | 2020-02-27 | 舍弗勒技术股份两合公司 | Power system for vehicle and vehicle |
-
2017
- 2017-11-17 CN CN201721537371.9U patent/CN207630940U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107933272A (en) * | 2017-11-17 | 2018-04-20 | 航科汽车底盘系统（镇江）有限公司 | A kind of integrated form planetary gear speed-reduction differential speed motor for new-energy automobile |
| WO2020037495A1 (en) * | 2018-08-21 | 2020-02-27 | 舍弗勒技术股份两合公司 | Power system for vehicle and vehicle |
| CN111683835A (en) * | 2018-08-21 | 2020-09-18 | 舍弗勒技术股份两合公司 | Power system for vehicle and vehicle |
| CN109747402A (en) * | 2019-02-28 | 2019-05-14 | 北京宏瑞汽车科技股份有限公司 | A kind of integrated electric drive system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building A, Shuangzi Building, No. 468 Smart Avenue, Science and Technology New City, Zhenjiang City, Jiangsu Province, 212000 Patentee after: Hangke Automobile (Zhenjiang) Co.,Ltd. Country or region after: China Address before: Building A, Shuangzi Building, No. 468 Smart Avenue, Science and Technology New City, Zhenjiang City, Jiangsu Province, 212000 Patentee before: HANGKE AUTOMOTIVE CHASSIS SYSTEM (ZHENJIANG) CO.,LTD. Country or region before: China |
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| CP03 | Change of name, title or address |