CN109466299A - A kind of lightweight bi-motor dual reducer electric drive axle assembly - Google Patents
A kind of lightweight bi-motor dual reducer electric drive axle assembly Download PDFInfo
- Publication number
- CN109466299A CN109466299A CN201811462070.3A CN201811462070A CN109466299A CN 109466299 A CN109466299 A CN 109466299A CN 201811462070 A CN201811462070 A CN 201811462070A CN 109466299 A CN109466299 A CN 109466299A
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- retarder
- roller gear
- active roller
- axis
- gear
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 40
- 230000009977 dual effect Effects 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000005611 electricity 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides a kind of lightweight bi-motor dual reducer electric drive axle assembly, high-speed motor is can be used in two driving motors, and torque reduces under the premise of equal-wattage, reduces the weight and cost of motor；For the requirement for meeting vehicle max. climb slope, two small torque pot motors can match large speed ratio retarder respectively, provide enough driving forces for vehicle；According to vehicle situation, the speed ratio of the parameters such as power, torque, the efficiency distribution of the two motors retarder that simultaneously Proper Match is attached thereto is reasonably selected, optimal drive mode is provided for vehicle；Identical parameter can be selected to reduce manufacturing cost in two driving motors and retarder, can choose different parameters also to avoid the resonance point of two systems, guarantees the NVH characteristic of assembly；Electronic differential technology is operated alone using left and right wheels, eliminates traditional bevel gear differential assembly, can effectively reduce assembly weight, while can effectively ensure that wheel driving force, improves vehicle riding stability and safety.
Description
Technical field
The invention belongs to electric drive axle assembly technical fields, more particularly, to a kind of lightweight bi-motor dual reducer electric drive
Axle assembly.
Background technique
Currently, there are mainly two types of structure types for bi-motor dual reducer electric drive axle, another one is wheel side electric drive axle
Kind is central integrated form electric drive axle.The motor and retarder for taking turns side electric drive axle are distributed in bridge both ends, using left and right wheels list
Solely driving electronic differential technology, but since the road clearance is small, it is mainly used in integral new-energy passenger；Central integrated form electric drive axle
Motor and retarder are distributed in axle housing center front and rear sides position, wherein to share traditional bevel gear differential total for two retarders
At, the power of two motors passes through retarder respectively and is transferred to differential mechanism, then is transferred to wheel by differential mechanism and left and right semiaxis,
Therefore this kind of electric drive axle assembly weight is big, at high cost.
Summary of the invention
The present invention provides a kind of double decelerations of lightweight bi-motor to overcome limitation existing for existing electric drive axle
Device electric drive axle assembly.
The present invention is achieved through the following technical solutions:
A kind of lightweight bi-motor dual reducer electric drive axle assembly, including axle housing are provided with left half axle and the right side in axle housing
One end of semiaxis, left wheel and left half axle connects, and one end of right wheel and right axle shaft connects, which is characterized in that the first driving electricity
Machine is connect with the first speed reducer assembly, and the second driving motor is connect with the second speed reducer assembly, the other end of left half axle and first
Speed reducer assembly connection, the other end of right axle shaft are connect with the second speed reducer assembly；
First speed reducer assembly includes one axis of the first retarder, the first retarder primary speed-down active roller gear, first
Retarder primary speed-down driven cylindrical gear, the first retarder double reduction active roller gear, two axis of the first retarder, first
Three axis of retarder, the first retarder double reduction driven cylindrical gear, the first retarder three-level deceleration active roller gear and
First retarder three-level reduction driven roller gear；First retarder primary speed-down active roller gear and one axis of the first retarder
It being fixedly connected, the first retarder primary speed-down active roller gear is engaged with the first retarder primary speed-down driven cylindrical gear,
First retarder primary speed-down driven cylindrical gear, the first retarder double reduction active roller gear and two axis of the first retarder
It being fixedly connected, the first retarder double reduction active roller gear is engaged with the first retarder double reduction driven cylindrical gear,
First retarder double reduction driven cylindrical gear and the first retarder three-level deceleration active roller gear with the first retarder
Three axis are fixedly connected, and the first retarder three-level deceleration active roller gear is nibbled with the first retarder three-level reduction driven roller gear
It closes, left half axle is fixedly connected by spline with the first retarder three-level reduction driven roller gear；
Second speed reducer assembly includes one axis of the second retarder, the second retarder primary speed-down active roller gear, second
Retarder primary speed-down driven cylindrical gear, the second retarder double reduction active roller gear, two axis of the second retarder, second
Three axis of retarder, the second retarder double reduction driven cylindrical gear, the second retarder three-level deceleration active roller gear and
Second retarder three-level reduction driven roller gear；Second retarder primary speed-down active roller gear and one axis of the second retarder
It being fixedly connected, the second retarder primary speed-down active roller gear is engaged with the second retarder primary speed-down driven cylindrical gear,
Second retarder primary speed-down driven cylindrical gear, the second retarder double reduction active roller gear and two axis of the second retarder
It being fixedly connected, the second retarder double reduction active roller gear is engaged with the second retarder double reduction driven cylindrical gear,
Second retarder double reduction driven cylindrical gear and the first retarder three-level deceleration active roller gear with the second retarder
Three axis are fixedly connected, and the second retarder three-level deceleration active roller gear is nibbled with the second retarder three-level reduction driven roller gear
It closes, right axle shaft is fixedly connected by spline with the second retarder three-level reduction driven roller gear；
Further technical solution are as follows:
First speed reducer assembly and the second speed reducer assembly are separately positioned on axle housing both sides external.
Compared with prior art the beneficial effects of the present invention are:
Height can be used in a kind of lightweight bi-motor dual reducer electric drive axle assembly of the present invention, two driving motors
Speed motor, torque reduces under the premise of equal-wattage, to reduce the weight and cost of motor；To meet the climbing of vehicle maximum
The requirement of degree, two small torque pot motors can match large speed ratio retarder respectively, provide enough driving forces for vehicle；Together
When, according to vehicle situation, reasonably selects the parameters such as power, torque, efficiency distribution of two motors and Proper Match is attached thereto
The speed ratio of retarder provides optimal drive mode for vehicle；Identical parameter can be selected with retarder to drop in two driving motors
Low manufacturing cost can choose different parameters also to avoid the resonance point of two systems, guarantee the NVH characteristic of assembly；Using a left side
Electronic differential technology is operated alone in right wheel, eliminates traditional bevel gear differential assembly, can effectively reduce assembly weight,
It can effectively ensure that wheel driving force simultaneously, improve vehicle riding stability and safety.
Detailed description of the invention
The present invention will be further described below with reference to the drawings:
Fig. 1 show a kind of structural representation of lightweight bi-motor dual reducer electric drive axle assembly of the present invention
Figure.
Fig. 2 show the structural schematic diagram of the first speed reducer assembly in the present invention.
Fig. 3 show the structural schematic diagram of the second speed reducer assembly in the present invention.
In figure: 1. first driving motors, 2. first speed reducer assemblies, 3. second driving motors, 4. second speed reducer assemblies,
5. left half axle, 6. left wheels, 7. right axle shafts, 8. right wheels, one axis of the first retarder of 2-1., 2-2. the first retarder primary speed-down
Active roller gear, 2-3. the first retarder primary speed-down driven cylindrical gear, the first retarder of 2-4. double reduction are actively round
Stud wheel, two axis of the first retarder of 2-5., three axis of the first retarder of 2-6., the driven Cylinder Gear of 2-7. the first retarder double reduction
Wheel, 2-8. the first retarder three-level deceleration active roller gear, 2-9. the first retarder three-level reduction driven roller gear, 4-1.
Second retarder, one axis, 4-2. the second retarder primary speed-down active roller gear, 4-3. the second retarder primary speed-down are driven
Roller gear, 4-4. the second retarder double reduction active roller gear, two axis of the second retarder of 4-5., the second retarder of 4-6.
Three axis, 4-7. the second retarder double reduction driven cylindrical gear, 4-8. the second retarder three-level deceleration active roller gear, 4-
9. the second retarder three-level reduction driven roller gear.
Specific embodiment
The present invention is explained in detail with reference to the accompanying drawing:
As shown in Figure 1 to Figure 3: the present invention provides a kind of lightweight bi-motor dual reducer electric drive axle assemblies, including
Axle housing, the first driving motor 1, the first speed reducer assembly 2, the second driving motor 3, the second speed reducer assembly 4, left half axle 5, left vehicle
Take turns 6, right axle shaft 7, right wheel 8；Left half axle 5 and right axle shaft 7 are provided in axle housing, left wheel 6 is connect with one end of left half axle 5,
Right wheel 8 is connect with one end of right axle shaft 7, and the first driving motor 1 is connect with the first speed reducer assembly 2, the second driving motor 3 with
The connection of second speed reducer assembly 4, the other end 5 of left half axle connect with the first speed reducer assembly 2, the other end 7 of right axle shaft and the
The connection of two speed reducer assemblies 4；Wherein the first speed reducer assembly 2 includes one axis 2-1 of the first retarder, the first retarder primary speed-down
Active roller gear 2-2, the first retarder primary speed-down driven cylindrical gear 2-3, the first retarder double reduction active cylinder
Gear 2-4, two axis 2-5 of the first retarder, three axis 2-6 of the first retarder, the first retarder double reduction driven cylindrical gear 2-
7, the first retarder three-level deceleration active roller gear 2-8 and the first retarder three-level reduction driven roller gear 2-9；Second
Speed reducer assembly 4 includes one axis 4-1 of the second retarder, the second retarder primary speed-down active roller gear 4-2, the second retarder
Primary speed-down driven cylindrical gear 4-3, the second retarder double reduction active roller gear 4-4, two axis 4-5 of the second retarder,
Second retarder, three axis 4-6, the second retarder double reduction driven cylindrical gear 4-7, the second retarder three-level are slowed down actively round
Stud wheel 4-8 and the second retarder three-level reduction driven roller gear 4-9.
Connect as shown in Fig. 2, the first retarder primary speed-down active roller gear 2-2 and one axis 2-1 of the first retarder is fixed
It connecing, the first retarder primary speed-down active roller gear 2-2 is engaged with the first retarder primary speed-down driven cylindrical gear 2-3,
First retarder primary speed-down driven cylindrical gear 2-3, the first retarder double reduction active roller gear 2-4 and first slow down
Two axis 2-5 of device is fixedly connected, the first retarder double reduction active roller gear 2-4 and the first driven circle of retarder double reduction
Stud wheel 2-7 engagement, the first retarder double reduction driven cylindrical gear 2-7, the first retarder three-level deceleration active Cylinder Gear
Wheel 2-8 is fixedly connected with three axis 2-6 of the first retarder, and the first retarder three-level deceleration active roller gear 2-8 and first slows down
Device three-level reduction driven roller gear 2-9 engagement.
Power is passed through one axis 2-1 of the first retarder, the first retarder primary speed-down active Cylinder Gear by the first driving motor 1
Wheel 2-2 is transferred to the first retarder primary speed-down driven cylindrical gear 2-3, then is slowed down by two axis 2-5 of the first retarder, first
Device double reduction active roller gear 2-4 is transferred to the first retarder double reduction driven cylindrical gear 2-7, then passes through first
Three axis 2-6 of retarder, the first retarder three-level deceleration active roller gear 2-8 are transferred to the first retarder three-level reduction driven circle
Stud wheel 2-9.
Connect as shown in figure 3, the second retarder primary speed-down active roller gear 4-2 and one axis 4-1 of the second retarder is fixed
It connecing, the second retarder primary speed-down active roller gear 4-2 is engaged with the second retarder primary speed-down driven cylindrical gear 4-3,
Second retarder primary speed-down driven cylindrical gear 4-3, the second retarder double reduction active roller gear 4-4 and second slow down
Two axis 4-5 of device is fixedly connected, the second retarder double reduction active roller gear 4-4 and the second driven circle of retarder double reduction
Stud wheel 4-7 engagement, the second retarder double reduction driven cylindrical gear 4-7 and the first retarder three-level deceleration active Cylinder Gear
Wheel 4-8 is fixedly connected with three axis 4-6 of the second retarder, and the second retarder three-level deceleration active roller gear 4-8 subtracts with second
Fast device three-level reduction driven roller gear 4-9 engagement, right axle shaft 7 pass through spline and the second retarder three-level reduction driven Cylinder Gear
Wheel 4-9 is fixedly connected；
Second driving motor 3 can be actively round by one axis 4-1 of the second retarder, the second retarder primary speed-down by power
Stud wheel 4-2, the second retarder primary speed-down driven cylindrical gear 4-3, two axis 4-5 of the second retarder, the second retarder second level
Deceleration active roller gear 4-4, the second retarder double reduction driven cylindrical gear 4-7, three axis 4-6 of the second retarder, second
Retarder three-level deceleration active roller gear 4-8 is transferred to the second retarder three-level reduction driven roller gear 4-9.
In conclusion the first driving motor 1 and the second driving motor 3 can pass through the first speed reducer assembly 2 and second respectively
Power is transmitted left half axle 5, right axle shaft 7 by speed reducer assembly 4, is respectively transferred to power finally by left half axle 5 and right axle shaft 7
Left wheel 6 and right wheel 8, driving vehicle traveling.
Claims (2)
1. a kind of lightweight bi-motor dual reducer electric drive axle assembly, including axle housing, left half axle (5) and the right side are provided in axle housing
Semiaxis (7), left wheel (6) are connect with one end of left half axle (5), and right wheel (8) connect with one end of right axle shaft (7), feature
It is, the first driving motor (1) is connect with the first speed reducer assembly (2), the second driving motor (3) and the second speed reducer assembly
(4) it connects, the other end (5) of left half axle is connect with the first speed reducer assembly (2), and the other end (7) of right axle shaft slows down with second
Device assembly (4) connection；
First speed reducer assembly (2) includes one axis of the first retarder (2-1), the first retarder primary speed-down active roller gear
(2-2), the first retarder primary speed-down driven cylindrical gear (2-3), the first retarder double reduction active roller gear (2-
4), two axis of the first retarder (2-5), three axis of the first retarder (2-6), the first retarder double reduction driven cylindrical gear (2-
7), the first retarder three-level deceleration active roller gear (2-8) and the first retarder three-level reduction driven roller gear (2-
9)；First retarder primary speed-down active roller gear (2-2) is fixedly connected with one axis of the first retarder (2-1), and first slows down
Device primary speed-down active roller gear (2-2) is engaged with the first retarder primary speed-down driven cylindrical gear (2-3), and first slows down
Device primary speed-down driven cylindrical gear (2-3), the first retarder double reduction active roller gear (2-4) and the first retarder two
Axis (2-5) is fixedly connected, the first retarder double reduction active roller gear (2-4) and the first driven circle of retarder double reduction
Stud wheel (2-7) engagement, the first retarder double reduction driven cylindrical gear (2-7) and the first retarder three-level are slowed down actively round
Stud wheel (2-8) is fixedly connected with three axis of the first retarder (2-6), the first retarder three-level deceleration active roller gear (2-
8) it is engaged with the first retarder three-level reduction driven roller gear (2-9), left half axle (5) passes through spline and the first retarder three-level
Reduction driven roller gear (2-9) is fixedly connected；
Second speed reducer assembly (4) includes one axis of the second retarder (4-1), the second retarder primary speed-down active roller gear
(4-2), the second retarder primary speed-down driven cylindrical gear (4-3), the second retarder double reduction active roller gear (4-
4), two axis of the second retarder (4-5), three axis of the second retarder (4-6), the second retarder double reduction driven cylindrical gear (4-
7), the second retarder three-level deceleration active roller gear (4-8) and the second retarder three-level reduction driven roller gear (4-
9)；Second retarder primary speed-down active roller gear (4-2) is fixedly connected with one axis of the second retarder (4-1), and second slows down
Device primary speed-down active roller gear (4-2) is engaged with the second retarder primary speed-down driven cylindrical gear (4-3), and second slows down
Device primary speed-down driven cylindrical gear (4-3), the second retarder double reduction active roller gear (4-4) and the second retarder two
Axis (4-5) is fixedly connected, the second retarder double reduction active roller gear (4-4) and the second driven circle of retarder double reduction
Stud wheel (4-7) engagement, the second retarder double reduction driven cylindrical gear (4-7) and the first retarder three-level are slowed down actively round
Stud wheel (4-8) is fixedly connected with three axis of the second retarder (4-6), the second retarder three-level deceleration active roller gear (4-
8) it is engaged with the second retarder three-level reduction driven roller gear (4-9), right axle shaft (7) passes through spline and the second retarder three-level
Reduction driven roller gear (4-9) is fixedly connected.
2. a kind of lightweight bi-motor dual reducer electric drive axle assembly according to claim 1, which is characterized in that first
Speed reducer assembly (2) and the second speed reducer assembly (4) are separately positioned on axle housing both sides external.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462070.3A CN109466299B (en) | 2018-11-30 | 2018-11-30 | Light-weight double-motor double-speed reducer electric drive axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462070.3A CN109466299B (en) | 2018-11-30 | 2018-11-30 | Light-weight double-motor double-speed reducer electric drive axle assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109466299A true CN109466299A (en) | 2019-03-15 |
| CN109466299B CN109466299B (en) | 2023-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811462070.3A Active CN109466299B (en) | 2018-11-30 | 2018-11-30 | Light-weight double-motor double-speed reducer electric drive axle assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN109466299B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110217049A (en) * | 2019-06-05 | 2019-09-10 | 同济大学 | A kind of electric car distribution driving axis |
| CN110239326A (en) * | 2019-06-05 | 2019-09-17 | 同济大学 | A kind of symmetrical motor distribution drive system of new-energy automobile |
| CN114771228A (en) * | 2022-03-22 | 2022-07-22 | 陕西法士特齿轮有限责任公司 | Commercial car bi-motor tertiary transmission electric drive axle assembly |
| WO2023272582A1 (en) * | 2021-06-30 | 2023-01-05 | 华为数字能源技术有限公司 | Power assembly system and electric vehicle |
| US20240100961A1 (en) * | 2021-03-30 | 2024-03-28 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Driving force adjusting device and method for designing driving force adjusting device |
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| CN207875366U (en) * | 2017-12-27 | 2018-09-18 | 中国第一汽车股份有限公司 | Two gear AMT motor integrated form driving axis |
| CN108819709A (en) * | 2018-07-02 | 2018-11-16 | 汽解放汽车有限公司 | Two gear AMT motor integrated form driving axis |
| CN209505415U (en) * | 2018-11-30 | 2019-10-18 | 一汽解放汽车有限公司 | A kind of lightweight bi-motor dual reducer electric drive axle assembly |
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| WO2015165302A1 (en) * | 2014-04-29 | 2015-11-05 | 浙江吉利控股集团有限公司 | Integrated steering drive axle for vehicle and electric vehicle |
| CN207875366U (en) * | 2017-12-27 | 2018-09-18 | 中国第一汽车股份有限公司 | Two gear AMT motor integrated form driving axis |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110217049A (en) * | 2019-06-05 | 2019-09-10 | 同济大学 | A kind of electric car distribution driving axis |
| CN110239326A (en) * | 2019-06-05 | 2019-09-17 | 同济大学 | A kind of symmetrical motor distribution drive system of new-energy automobile |
| US20240100961A1 (en) * | 2021-03-30 | 2024-03-28 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Driving force adjusting device and method for designing driving force adjusting device |
| WO2023272582A1 (en) * | 2021-06-30 | 2023-01-05 | 华为数字能源技术有限公司 | Power assembly system and electric vehicle |
| CN114771228A (en) * | 2022-03-22 | 2022-07-22 | 陕西法士特齿轮有限责任公司 | Commercial car bi-motor tertiary transmission electric drive axle assembly |
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| Publication number | Publication date |
|---|---|
| CN109466299B (en) | 2023-11-21 |
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