CN109955703A - A kind of external hanging type Dual-motors Driving car axle assembly - Google Patents
A kind of external hanging type Dual-motors Driving car axle assembly Download PDFInfo
- Publication number
- CN109955703A CN109955703A CN201711442765.0A CN201711442765A CN109955703A CN 109955703 A CN109955703 A CN 109955703A CN 201711442765 A CN201711442765 A CN 201711442765A CN 109955703 A CN109955703 A CN 109955703A
- Authority
- CN
- China
- Prior art keywords
- wheel end
- arm
- axle housing
- axle
- semiaxis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 14
- 244000309464 bull Species 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims 1
- 230000009194 climbing Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005183 dynamical system Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
- B60K17/046—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Motor Power Transmission Devices (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
Entitled a kind of external hanging type Dual-motors Driving car axle assembly of the invention.Belong to field of automobile.It mainly solves existing electric axle assembly and is short of power in the presence of starting and climbing, and chassis vertical space occupies big problem.It is mainly characterized by comprising: that the driving motor is bi-motor, is located at C-arm-upper left, is respectively in central axle housing two sides；The central reducer unit is located at that C-arm-is left inside to be connect with differential mechanism；The differential mechanism and wheel end retarder-left side and wheel end retarder-right connection；Wheel end retarder-left position is left inside in C-arm-left side and wheel end semiaxis axle housing-, with wheel half axis connection of end；Wheel end retarder-right side is located in C-arm-right side and wheel end semiaxis axle housing-right side, with wheel half axis connection of end；Integrated monolithic axle assembly.There is the present invention chassis vertical space to occupy small, the abundant feature of power, be mainly used for pure electric automobile Deep integrating electric axle assembly.
Description
Technical field
The invention belongs to field of automobile, and in particular to a kind of Dual-motors Driving low floor vehicle axle assembly.
Background technique
Currently, most pure electric vehicles are all made of the power transmission arrangment of traditional combustion engine automobile, including driving motor,
Transmission shaft, retarder/differential assembly, axle half shafts and wheel end.The power transmission arrangment of traditional combustion engine car occupies a large amount of
Chassis space, cause chassis high, step is high at upper and lower door for coach, and the problems such as occupy a large amount of vehicle interior spaces.Tradition is electronic
Vehicle, as power source, is difficult to meet large torque requirement in vehicle start and accelerator using single motor.
Summary of the invention
The object of the invention is to provide a kind of low floor vehicle by Dual-motors Driving in order to overcome the deficiencies of the prior art
Axle assembly.
The technical solution of the invention is as follows: a kind of external hanging type Dual-motors Driving car axle assembly, including driving motor,
Central axle housing, a C-arm-left side, the C-arm-right side, differential mechanism, central reducer unit, wheel end semiaxis axle housing-left side, take turns end semiaxis axle housing-right side,
Axle tube and wheel end, differential mechanism are located in C-arm-left side and center axle housing, and wheel end includes wheel end retarder-left side, the deceleration of wheel end
Device-right side and wheel end semiaxis, it is characterised in that: the driving motor is bi-motor, is located at C-arm-upper left, is respectively in central axle housing
Two sides export while forming double-motor power, and motor output shaft is integrated with level-one driving gear；The central reducer unit is located at
C-arm-is left inside to be connect with differential mechanism；The differential mechanism and wheel end retarder-left side and wheel end retarder-right connection；The wheel end
Retarder-left position is left inside in C-arm-left side and wheel end semiaxis axle housing-, with wheel half axis connection of end；Wheel end retarder-right side is located at
In C-arm-right side and wheel end semiaxis axle housing-right side, with wheel half axis connection of end；Integrated monolithic axle assembly.
Central axle housing described in technical solution of the invention, a C-arm-left side, the C-arm-right side, wheel end semiaxis axle housing-
Left, wheel end semiaxis axle housing-right side, axle tube collectively constitute axle housing bearing structure.
Central reducer unit described in technical solution of the invention includes motor output shaft gear and second level driven tooth
Wheel.
Differential mechanism described in technical solution of the invention is spur-gear differential, including by poor shell, half axle gear
The second level driven gear of wheel, planetary gear, cross axle and bull wheel composition, bull wheel and central reducer unit cooperates.
Wheel end retarder described in technical solution of the invention-left side is by three-level driving gear and three-level driven gear
Composition, three-level driven gear pass through spline and wheel end semiaxis cooperation；It is driven by central axle shaft gear and three-level to take turns end retarder-right side
Gear composition, three-level driven gear pass through spline and wheel end semiaxis cooperation.
The present invention uses ipsilateral plug-in Dual-motors Driving, by main reducing gear, differential mechanism, central semiaxis, wheel end retarder,
Wheel end semiaxis, wheel end are integrated into an electric drive axle assembly；Transmission shaft is eliminated simultaneously, and power is directly inputted by taking turns end semiaxis
To wheel end.
The present invention is arranged in the C-arm of vehicle bridge side due to eliminating the transmission shaft in conventional internal combustion structure of locomotive, motor
On, rear axle housing two sides are distributed in, reduce dynamical system and transmission system to the occupancy in chassis space, while using gate-type bridge knot
Structure reduces floor level in compartment, is in same plane height from front to back, eliminates front/rear door step, is passenger or more
Vehicle is provided convenience.Dynamical system and power train are avoided to the occupancy of vehicle interior space simultaneously, and passenger is available more spacious
Space；Dual-motors Driving very good solution single motor solves simultaneously in the problem of car starting and boost phase torque deficiency
The problem of high torque of having determined single motor volume is larger, occupies chassis space.
Detailed description of the invention
Fig. 1 is bi-motor low-floor vehicle bridge schematic diagram of the present invention.
Fig. 2 is bi-motor low-floor vehicle bridge drive mechanism cross-sectional view of the present invention.
Fig. 3 is the left view of the transmission system Local map of Fig. 2.
Fig. 4 is the front view of the transmission system Local map of Fig. 2.
In figure: 1. driving motors；2. central axle housing；3. a C-arm-left side；4. C-arm-the right side；5. taking turns end semiaxis axle housing-
It is left；6. taking turns end semiaxis axle housing-right side；7. axle tube；8. motor output shaft gear；9. level-one driven gear；10. second level
Driving gear；11. differential mechanism；12. bull wheel；13. taking turns end retarder-left side；14. three-level driving gear；15. three-level is driven
Gear；16. taking turns end semiaxis；17. central axle shaft gear；18. axle shaft gear；19. planetary gear；20. cross axle； 21.
Poor shell；22. taking turns end retarder-right side；23 central reducer units.
Specific embodiment
As shown in Figure 1, a kind of external hanging type Dual-motors Driving car axle assembly of the present invention includes driving motor 1, central bridge
Shell 2, C-arm-left side 3, C-arm-right side 4, wheel end semiaxis axle housing-left side 5, wheel end semiaxis axle housing-right side 6, axle tube 7 and wheel end.In
Axle housing, C-arm, wheel end semiaxis axle housing and axle tube is entreated to form axle housing.Reducer shell is by C-arm shell and wheel end semiaxis axle housing
Composition.Central 2 both ends of axle housing are connect with C-arm-left side 3 and C-arm-right side 4 respectively.Two driving motors 1 and C-arm-left side 3 connect
It connects, and point column and 2 two sides of central axle housing, is exported while forming double-motor power, motor output shaft is integrated with level-one driving tooth
Wheel.Bi-motor output shaft is parallel axes, is generally aligned in the same plane, and bi-motor is outputed power to main deceleration simultaneously by driving gear
Device.C-arm-left side 3 is connect with wheel end semiaxis axle housing-left side 5, and C-arm-right side 4 is connect with wheel end semiaxis axle housing-right side 6.Take turns end semiaxis bridge
Shell-left side 5 is connect with axle tube 7, and wheel end semiaxis axle housing-right side 6 is connect with axle tube 7.Central axle housing 2, C-arm-left side 3, c-type
Arm-right side 4, wheel end semiaxis axle housing-left side 5, wheel end semiaxis axle housing-right side 6, axle tube 7 collectively constitute axle housing bearing structure.
As shown in Figures 2 to 4, a kind of external hanging type Dual-motors Driving car axle assembly further includes that differential mechanism 11 and center subtract
Fast device 23.There are two a driven gears for main reducing gear, respectively correspond two driving gears of motor output shaft, once subtract
Fast gear composition as listed axle housing two sides are conplane parallel axle construction.Differential casing is by C-arm chamber shell and central axle housing group
At.Differential mechanism 11 is located in C-arm-left side 3 and central axle housing 2.Taking turns end includes wheel end retarder-left side 13, wheel end retarder-right side 22
With wheel end semiaxis 16.Taking turns end retarder is the gear set that one group of driving gear and driven gear form.Motor output shaft gear 8,
Level-one driven gear 9 and second level driving gear 10 form central reducer unit 23, are located in C-arm-left side 3, connect with differential mechanism 11.
Differential mechanism 11 is spur-gear differential, is made of poor shell 21, axle shaft gear 18, planetary gear 19, cross axle 20 and bull wheel 12,
In the cavity of C-arm-left side 5 and central axle housing 2, there is bearing race to support differential mechanism in C-arm-left side 5 and central axle housing 2
11, differential mechanism 11 is connect with wheel end retarder-left side 13 and wheel end retarder-right side 22 respectively.Bull wheel 12 and central reducer unit 23
Second level driven gear 9 cooperates.Second level driving gear 10 is connect with the bull wheel 12 of differential mechanism 11.End retarder-left side 13 is taken turns by three-level
Driving gear 14 and three-level driven gear 15 form, and are located in wheel end semiaxis axle housing-left side 5 and C-arm-left side 3, three-level driven gear
15 are cooperated by spline and wheel end semiaxis 16.End retarder-right side 22 is taken turns by central axle shaft gear 17 and 15 groups of three-level driven gear
At in wheel end semiaxis axle housing 6 and C-arm-right side 4, three-level driven gear 15 passes through spline and the wheel cooperation of end semiaxis 16.It is integrated
Integral axle assembly.The power that bi-motor 1 exports passes to central reducer unit, central moderator via motor output shaft gear 8
Device passes to differential mechanism 11 again, and power is delivered separately to wheel end retarder-left side 13 and takes turns end retarder-right side 22 by differential mechanism 11,
Power is passed to corresponding side wheel end by taking turns end semiaxis respectively by wheel end retarder-left side 13 and wheel end retarder-right side 22.
Pure electric vehicle vehicle bridge driving unit assembly of the present invention incorporates tradition machinery vehicle bridge in traditional pure electric vehicle driving unit
Function, and structurally and functionally instead of them.The drive form of bi-motor using two smaller power motors because being replaced
The power strategy of one heavy-duty motor, it is smaller than single motor vertical space occupancy, realize low chassis, while Dual-motors Driving solution
It has determined starting and the weak problem of climbing power, and advantageous on choice of electrical machine and cost control.Cancelling transmission shaft reduces zero
Number of packages amount improves product and is applicable in so that its compact-sized weight saving, increases compartment passenger space and battery arrangement space
Property and competitiveness.
Claims (5)
1. a kind of external hanging type Dual-motors Driving car axle assembly, including driving motor (1), central axle housing (2), a C-arm-left side
(3), C-arm-right side (4), differential mechanism (11), central reducer unit (23), a wheel end semiaxis axle housing-left side (5), wheel end semiaxis axle housing-right side
(6), axle tube (7) and wheel end, differential mechanism (11) are located in C-arm-left side (3) and central axle housing (2), and wheel end includes that wheel end subtracts
Fast device-left side (13), the wheel end retarder-right side (22) and wheel end semiaxis (16), it is characterised in that: the driving motor (1) is double electricity
Machine is located on C-arm-left side (3), is respectively in central axle housing (2) two sides；The central reducer unit (23) is located at C-arm-left side (3)
It is interior to be connect with differential mechanism (11)；The differential mechanism (11) connect with a wheel end retarder-left side (13) and the wheel end retarder-right side (22)；
A wheel end retarder-left side (13) are located in C-arm-left side (3) and a wheel end semiaxis axle housing-left side (5), even with wheel end semiaxis (16)
It connects；The wheel end retarder-right side (22) are located in C-arm-right side (4) and the wheel end semiaxis axle housing-right side (6), with wheel end semiaxis (16)
Connection；Integrated monolithic axle assembly.
2. a kind of external hanging type Dual-motors Driving car axle assembly according to claim 1, it is characterised in that: in described
Entreat axle housing (2), a C-arm-left side (3), the C-arm-right side (4), a wheel end semiaxis axle housing-left side (5), the wheel end semiaxis axle housing-right side (6), semiaxis
Casing (7) collectively constitutes axle housing bearing structure.
3. a kind of external hanging type Dual-motors Driving car axle assembly according to claim 1 or 2, it is characterised in that: described
Central reducer unit (23) include motor output shaft gear (8) and second level driven gear (9).
4. a kind of external hanging type Dual-motors Driving car axle assembly according to claim 1 or 2, it is characterised in that: described
Differential mechanism (11) include by poor shell (21), axle shaft gear (18), planetary gear (19), cross axle (20) and bull wheel (12) group
At the second level driven gear (9) of bull wheel (12) and central reducer unit (23) cooperates.
5. a kind of external hanging type Dual-motors Driving car axle assembly according to claim 1 or 2, it is characterised in that: described
A wheel end retarder-left side (13) be made of three-level driving gear (14) and three-level driven gear (15), three-level driven gear (15)
Pass through spline and wheel end semiaxis (16) cooperation；End retarder-the right side (22) are taken turns by central axle shaft gear (17) and three-level driven gear
(15) it forms, three-level driven gear (15) passes through spline and wheel end semiaxis (16) cooperation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711405811X | 2017-12-22 | ||
| CN201711405811 | 2017-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109955703A true CN109955703A (en) | 2019-07-02 |
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ID=63389925
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711442765.0A Pending CN109955703A (en) | 2017-12-22 | 2017-12-27 | A kind of external hanging type Dual-motors Driving car axle assembly |
| CN201721859699.2U Active CN207825908U (en) | 2017-12-22 | 2017-12-27 | A kind of external hanging type Dual-motors Driving car axle assembly |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721859699.2U Active CN207825908U (en) | 2017-12-22 | 2017-12-27 | A kind of external hanging type Dual-motors Driving car axle assembly |
Country Status (1)
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| CN (2) | CN109955703A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109955703A (en) * | 2017-12-22 | 2019-07-02 | 东风德纳车桥有限公司 | A kind of external hanging type Dual-motors Driving car axle assembly |
| CN109466296B (en) * | 2018-11-30 | 2023-11-17 | 一汽解放汽车有限公司 | Central integrated double-motor double-reducer electric drive axle assembly |
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| CN207825908U (en) * | 2017-12-22 | 2018-09-07 | 东风德纳车桥有限公司 | A kind of external hanging type Dual-motors Driving car axle assembly |
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2017
- 2017-12-27 CN CN201711442765.0A patent/CN109955703A/en active Pending
- 2017-12-27 CN CN201721859699.2U patent/CN207825908U/en active Active
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| US20030132039A1 (en) * | 2002-01-15 | 2003-07-17 | Fairway Golf Cars, Llc | Dual motor gear drive unit |
| US20050023053A1 (en) * | 2003-07-30 | 2005-02-03 | Bennett John L. | Axle assembly with parallel mounted electric motors |
| US20060054368A1 (en) * | 2004-09-16 | 2006-03-16 | Varela Tomaz D | Electric drive axle assembly with independent dual motors |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN207825908U (en) | 2018-09-07 |
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