CN207257371U - A kind of electric axle assembly - Google Patents
A kind of electric axle assembly Download PDFInfo
- Publication number
- CN207257371U CN207257371U CN201721108029.7U CN201721108029U CN207257371U CN 207257371 U CN207257371 U CN 207257371U CN 201721108029 U CN201721108029 U CN 201721108029U CN 207257371 U CN207257371 U CN 207257371U
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- retarder
- axle
- differential mechanism
- gear
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Abstract
A kind of entitled electric axle assembly of the utility model.Belong to field of automobile.It mainly solves the problems, such as that existing electric axle assembly driving-chain is longer.It is mainly characterized by：Including driving motor, retarder, differential mechanism, left half axle, right axle shaft and wheel end；Driving motor is connected between left axle housing and right axle housing；Loaded in left axle housing, retarder coordinates with differential mechanism for the retarder and differential mechanism；The output shaft of the driving motor is the cavity gear shaft for being integrated with level-one driving gear, is connected with retarder；The left half axle connects differential mechanism with revolver end；Right axle shaft is passed through out of driving motor output shaft axocoel, and differential mechanism is connected with right wheel end；Integrated monolithic electric axle assembly.The utility model has compact-sized, and power output is steadily lost small, reduces the characteristics of taking compartment passenger space, is mainly used for the electric axle assembly of pure electric automobile Deep integrating.
Description
Technical field
The utility model belongs to field of automobile, and in particular to a kind of electricity for pure electric automobile Deep integrating
Motor-car axle assembly.
Background technology
At present, most pure electric automobiles use the power transmission arrangment of traditional combustion engine automobile, including driving electricity
Machine, transmission shaft, retarder/differential assembly, axle half shafts and wheel end.Traditional structure driving-chain is longer to cause transmission efficiency to be lost
Larger and each parts volume takes the spacial influence compartment passenger's handling capacity of passengers and battery arrangement space shadow of partial automobile compared with conference
Ring vehicle continual mileage.
The content of the invention
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide one kind by motor, retarder, differential mechanism
By Deep integrating it is an electric axle assembly with tradition machinery vehicle bridge.Such a compact structure arrangement can shorten driving-chain
Efficiency, lifting compartment passenger capacity and the battery capacity for increasing compartment are improved, so as to reduce unit mounted mass energy consumption.
To achieve the above object, the utility model uses following technical solution：A kind of electric axle assembly, including bridge
Shell, driving motor, retarder, differential mechanism, left half axle, right axle shaft and wheel end, it is characterised in that：The axle housing include left axle housing,
Right axle housing；The driving motor is between left axle housing and right axle housing；The retarder and differential mechanism slow down loaded in left axle housing
Device coordinates with differential mechanism；The output shaft of the driving motor is the cavity gear shaft for being integrated with level-one driving gear, and level-one is actively
Gear is connected with retarder；Wheel end of the left half axle both ends respectively with the left of differential mechanism and left side is connected, and right axle shaft, which passes through, to be driven
The output shaft axocoel of dynamic motor, wheel end of the both ends respectively with the right side of differential mechanism and right side are connected；Integrated monolithic electric axle is total
Into.
Retarder described in the technical solution of the utility model includes level-one driven gear and two level driving gear；
The differential mechanism includes two level driven gear, planetary gear, axle shaft gear and poor shell；The level-one driven gear of retarder and driving
The level-one driving gear of motor output shaft coordinates, and the two level driving gear of retarder coordinates with the two level driven gear of differential mechanism；
Driving motor output shaft is parallel axle construction with reducer gear axis；Driving motor output shaft and wheel end, left half axle, right axle shaft are same
Axis.
Left axle housing described in the technical solution of the utility model includes bearing saddle bore, passes through bearings retarder
And differential mechanism；Drive motor to be connected with left axle housing, right axle housing, together form common bearing structure.
Bearing saddle bore described in the technical solution of the utility model includes the bearing saddle bore of reducing gearbox body portion
With the bearing saddle bore on left axle housing central axes；Wherein, the bearing saddle bore of reducing gearbox body portion supports retarder to lead respectively
To bearing, head bearing and tail bearing, play a supporting role to speed reducer assembly；Bearing saddle bore branch on left axle housing central axes
Differential mechanism bearings at both ends is supportted, is played a supporting role to differential mechanism.
Power transmission arrangment of the utility model based on existing pure electric automobile, by retarder, differential mechanism and traditional machine
Tool vehicle bridge is an electric axle assembly by Deep integrating, eliminates transmission shaft, power is directly inputted to by left and right half
Take turns end.
Brief description of the drawings
Fig. 1 is the utility model pure electric vehicle vehicle bridge structure diagram.
In figure：1. drive motor；2. retarder；3. differential mechanism；4. left half axle；5. right axle shaft；6th, left axle housing；7、
Right axle housing；8. level-one driving gear；9. level-one driven gear；10. two level driving gear；11. two level driven gear；12.
Poor shell；13 planetary gears；14th, axle shaft gear.
Embodiment
As shown in Figure 1, a kind of electric axle assembly of the utility model is by driving motor 1, retarder 2, differential mechanism 3, left half
Axis 4, right axle shaft 5, left axle housing 6, right axle housing 7 and wheel end composition.Wherein, driving motor 1 be connected to left axle housing 6 and right axle housing 7 it
Between.Loaded in left axle housing 6, retarder 2 coordinates with differential mechanism 3 for retarder 2 and differential mechanism 3.1 output shaft of driving motor is to be integrated with
The cavity gear shaft of level-one driving gear 8, level-one driving gear 8 are connected with retarder 2.Retarder 2 by level-one driven gear 9,
Two level driving gear 10 forms gear set.Differential mechanism 3 includes two level driven gear 11, planetary gear 13, axle shaft gear 14 and poor
Shell 12.Wheel end of 4 both ends of left half axle respectively with the left side of differential mechanism 3 and left side is connected, output of the right axle shaft 5 through driving motor 1
Axis axocoel, wheel end of the both ends respectively with the right side of differential mechanism 3 and right side are connected.Integrated monolithic electric axle assembly.Retarder 2
Level-one driven gear 9 is with driving the level-one driving gear 8 of 1 output shaft of motor to coordinate, and the two level driving gear 10 of retarder 2 is the same as poor
The two level driven gear 11 of fast device 3 coordinates.Driving 1 output shaft of motor is parallel axle construction with 2 gear shaft of retarder, drives motor
1 output shaft and wheel end, left half axle 4, right axle shaft 5 are coaxial.Left axle housing 6 includes bearing saddle bore, by bearings retarder 2 and poor
Fast device 3.Bearing saddle bore includes the bearing saddle bore of 2 housing parts of retarder and the bearing saddle bore on left axle housing central axes, its
In, the bearing saddle bore of 2 housing parts of retarder supports retarder guide bearing, head bearing and tail bearing respectively, total to retarder
Into playing a supporting role, bearing saddle bore support 3 bearings at both ends of differential mechanism on left axle housing central axes, plays differential mechanism 3
Supporting role.Driving motor 1 is connected with left axle housing 6, right axle housing 7, together forms common bearing structure.Power is by level-one driving tooth
Wheel 8 passes to retarder level-one driven gear 9, then drives the two level of the same one of differential mechanism 3 driven by two level driving gear 10
Power is transmitted to wheel end by gear 11,3 one side of differential mechanism by left half axle 4, while will be dynamic through motor axocoel by right axle shaft 5
Power be transported to to wheel end.Left axle housing 6 includes bearing saddle bore, supports retarder 2 and differential mechanism 3 respectively by bearing.
The utility model pure electric vehicle vehicle bridge driving unit assembly incorporates tradition machinery in traditional pure electric vehicle driving unit
The function of vehicle bridge, and structurally and functionally instead of them.Retarder 2 is installed in left axle housing 6 and is integrated with differential mechanism 3,
Drive the power of motor 1 to be input to two side wheel ends by level-one driving gear 8, retarder 2, differential mechanism 3, wheel end semiaxis 4,5, take
The bevel gear that disappeared causes the input and output side of power to be located at same axis, therefore the steady efficiency of power output is higher.Cancel and passing
Moving axis reduces number of parts so that its compact-sized weight saving, adds compartment passenger space and battery arrangement space, carry
High product applicability and competitiveness.
Claims (4)
1. a kind of electric axle assembly, including axle housing, driving motor（1）, retarder（2）, differential mechanism（3）, left half axle（4）, it is right
Semiaxis（5）With wheel end, it is characterised in that：The axle housing includes left axle housing（6）, right axle housing（7）；The driving motor（1）It is located at
Left axle housing（6）With right axle housing（7）Between；The retarder（2）And differential mechanism（3）Loaded on left axle housing（6）It is interior, retarder（2）With
Differential mechanism（3）Coordinate；The driving motor（1）Output shaft is to be integrated with level-one driving gear（8）Cavity gear shaft, level-one master
Moving gear（8）Same retarder（2）Connection；The left half axle（4）Both ends respectively with differential mechanism（3）The wheel end in left side and left side connects
Connect, right axle shaft（5）Through driving motor（1）Output shaft axocoel, both ends respectively with differential mechanism（3）The wheel end on right side and right side connects
Connect；Integrated monolithic electric axle assembly.
A kind of 2. electric axle assembly according to claim 1, it is characterised in that：The retarder（2）Including level-one from
Moving gear（9）With two level driving gear（10）；The differential mechanism（3）Including two level driven gear（11）, planetary gear（13）, half
Shaft gear（14）With poor shell（12）；Retarder（2）Level-one driven gear（9）With driving motor（1）The level-one of output shaft is actively
Gear（8）Coordinate, retarder（2）Two level driving gear（10）Same differential mechanism（3）Two level driven gear（11）Coordinate；Driving
Motor（1）The same retarder of output shaft（2）Gear shaft is parallel axle construction；Drive motor（1）Output shaft and wheel end, left half axle（4）、
Right axle shaft（5）Coaxially.
A kind of 3. electric axle assembly according to claim 1 or 2, it is characterised in that：The left axle housing（6）Including axis
Bearing hole, passes through bearings retarder（2）And differential mechanism（3）；Drive motor（1）With left axle housing（6）, right axle housing（7）Connection,
Together form common bearing structure.
A kind of 4. electric axle assembly according to claim 3, it is characterised in that：The bearing saddle bore includes retarder
（2）The bearing saddle bore of housing parts and positioned at left axle housing（6）Bearing saddle bore on central axes；Wherein, retarder（2）Housing parts
Bearing saddle bore support retarder guide bearing, head bearing and tail bearing respectively；Bearing saddle bore on left axle housing central axes
Support differential mechanism bearings at both ends.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721108029.7U CN207257371U (en) | 2017-08-31 | 2017-08-31 | A kind of electric axle assembly |
| PCT/CN2018/103422 WO2019042387A1 (en) | 2017-08-31 | 2018-08-31 | Electric axle assembly |
| JP2019548943A JP2020531335A (en) | 2017-08-31 | 2018-08-31 | Electric axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721108029.7U CN207257371U (en) | 2017-08-31 | 2017-08-31 | A kind of electric axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207257371U true CN207257371U (en) | 2018-04-20 |
Family
ID=61923138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721108029.7U Active CN207257371U (en) | 2017-08-31 | 2017-08-31 | A kind of electric axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207257371U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019042384A1 (en) * | 2017-08-31 | 2019-03-07 | Dongfeng Dana Axle Co., Ltd. | Two-speed automatic mechanical transmission electric axle assembly |
| WO2019042387A1 (en) * | 2017-08-31 | 2019-03-07 | Dongfeng Dana Axle Co., Ltd. | Electric axle assembly |
| CN109435660A (en) * | 2018-12-03 | 2019-03-08 | 广西汽车集团有限公司 | A kind of electricity drive axle assembly |
| CN109649139A (en) * | 2019-01-29 | 2019-04-19 | 台州恒跃新能源科技有限公司 | A kind of coaxial electric car rear axle assy |
| CN109677252A (en) * | 2019-02-26 | 2019-04-26 | 重庆青山工业有限责任公司 | A kind of highly integrated high-performance pure electric automobile power assembly |
| CN110901358A (en) * | 2018-09-17 | 2020-03-24 | 舍弗勒技术股份两合公司 | Electric bridge driving system and vehicle |
| CN110962505A (en) * | 2018-09-30 | 2020-04-07 | 比亚迪股份有限公司 | Drive axle and vehicle with same |
| CN110962507A (en) * | 2018-09-30 | 2020-04-07 | 比亚迪股份有限公司 | Drive axle and vehicle with same |
| CN111469604A (en) * | 2020-04-29 | 2020-07-31 | 广西玉柴机器股份有限公司 | Three-stage planet row speed reduction non-shaft installation electric bridge assembly |
| CN112477568A (en) * | 2020-12-28 | 2021-03-12 | 重庆市佳南工贸有限公司 | Coaxial electric vehicle rear axle and electric vehicle |
-
2017
- 2017-08-31 CN CN201721108029.7U patent/CN207257371U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019042384A1 (en) * | 2017-08-31 | 2019-03-07 | Dongfeng Dana Axle Co., Ltd. | Two-speed automatic mechanical transmission electric axle assembly |
| WO2019042387A1 (en) * | 2017-08-31 | 2019-03-07 | Dongfeng Dana Axle Co., Ltd. | Electric axle assembly |
| CN110901358A (en) * | 2018-09-17 | 2020-03-24 | 舍弗勒技术股份两合公司 | Electric bridge driving system and vehicle |
| CN110962505A (en) * | 2018-09-30 | 2020-04-07 | 比亚迪股份有限公司 | Drive axle and vehicle with same |
| CN110962507A (en) * | 2018-09-30 | 2020-04-07 | 比亚迪股份有限公司 | Drive axle and vehicle with same |
| CN109435660A (en) * | 2018-12-03 | 2019-03-08 | 广西汽车集团有限公司 | A kind of electricity drive axle assembly |
| CN109649139A (en) * | 2019-01-29 | 2019-04-19 | 台州恒跃新能源科技有限公司 | A kind of coaxial electric car rear axle assy |
| CN109677252A (en) * | 2019-02-26 | 2019-04-26 | 重庆青山工业有限责任公司 | A kind of highly integrated high-performance pure electric automobile power assembly |
| CN111469604A (en) * | 2020-04-29 | 2020-07-31 | 广西玉柴机器股份有限公司 | Three-stage planet row speed reduction non-shaft installation electric bridge assembly |
| CN112477568A (en) * | 2020-12-28 | 2021-03-12 | 重庆市佳南工贸有限公司 | Coaxial electric vehicle rear axle and electric vehicle |
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