CN209365876U - A kind of double AMT electric drive axle assemblies of lightweight bi-motor - Google Patents
A kind of double AMT electric drive axle assemblies of lightweight bi-motor Download PDFInfo
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- CN209365876U CN209365876U CN201821982141.8U CN201821982141U CN209365876U CN 209365876 U CN209365876 U CN 209365876U CN 201821982141 U CN201821982141 U CN 201821982141U CN 209365876 U CN209365876 U CN 209365876U
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Abstract
The utility model relates to a kind of double AMT electric drive axle assemblies of lightweight bi-motor, power is transferred to left wheel by I grade of transmission mechanism of the first AMT assembly or II grade of transmission mechanism and left half axle by the first driving motor of the assembly；Power is transferred to right wheel by I grade of transmission mechanism of the 2nd AMT assembly or II grade of transmission mechanism and right axle shaft by the second driving motor；Wherein the first driving motor and the second driving motor are not less than the high-speed motor of 12000rpm using 300~400Nm of torque, revolving speed；I grade of transmission mechanism speed ratio of the first AMT assembly and the 2nd AMT assembly is 35~45, and II grade of transmission mechanism ratio is 16~20.The utility model can be effectively reduced motor cost and weight, can satisfy demand of the vehicle to power, and meet the requirement of vehicle max. climb slope and vehicle max. speed.
Description
Technical field
The utility model belongs to electric drive axle assembly technical field, more particularly, to a kind of double AMT electricity of lightweight bi-motor
Driving axis.
Background technique
Currently, for the double AMT electric drive axles of bi-motor using central integrated form, motor is assemblied in axle housing after integrating with AMT respectively
Front and rear sides, two AMT cannot achieve large speed ratio setting using double reduction, need to match high torque motor and are just able to satisfy vehicle need
It wants；Two AMT share a traditional bevel gear differential assembly simultaneously, and the power of two motors passes through AMT respectively and is transferred to difference
Fast device, then wheel is transferred to 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 technical problem to be solved by the present invention is to provide a kind of double AMT electric drive axle assemblies of lightweight bi-motor, should
Assembly can be effectively reduced motor cost and weight, can satisfy demand of the vehicle to power, and meet the climbing of vehicle maximum
The requirement of degree and vehicle max. speed.
In order to solve the above-mentioned technical problem, the double AMT electric drive axle assemblies of the lightweight bi-motor of the utility model include:
Include the first driving motor, the first AMT assembly, the second driving motor, the 2nd AMT assembly, left half axle, right axle shaft；First driving electricity
Power is transferred to left wheel by I grade of transmission mechanism of the first AMT assembly or II grade of transmission mechanism and left half axle by machine；Second drives
Power is transferred to right wheel by I grade of transmission mechanism of the 2nd AMT assembly or II grade of transmission mechanism and right axle shaft by dynamic motor；Its
In the high speed electricity of the first driving motor and the second driving motor using 300~400Nm of torque, revolving speed not less than 12000rpm
Machine；I grade of transmission mechanism speed ratio of the first AMT assembly and the 2nd AMT assembly is 35~45, II grade of transmission mechanism speed ratio be 16~
20。
The first AMT assembly includes mono- axis of the first AMT, the first AMT primary speed-down active roller gear, the first AMT
Primary speed-down driven cylindrical gear, II grade of active roller gear of the first AMT double reduction, I grade of the first AMT double reduction are actively round
Stud wheel, bis- axis of the first AMT, the first AMT gear shift tooth set, the first AMT toothholder, tri- axis of the first AMT, I grade of the first AMT double reduction
Driven cylindrical gear, II grade of driven cylindrical gear of the first AMT double reduction, the first AMT three-level deceleration active roller gear and
First AMT three-level reduction driven roller gear；First AMT primary speed-down active roller gear is fixedly connected with mono- axis of the first AMT,
First AMT primary speed-down active roller gear is engaged with the first AMT primary speed-down driven cylindrical gear, the first AMT primary speed-down
Driven cylindrical gear, II grade of active roller gear of the first AMT double reduction, I grade of active roller gear of the first AMT double reduction with
First AMT, bis- axis is fixedly connected, and II grade of the first II grade of AMT double reduction active roller gear and the first AMT double reduction are driven
Roller gear engagement, the first I grade of driven cylindrical gear of I grade of AMT double reduction active roller gear and the first AMT double reduction are nibbled
It closes, the first AMT toothholder, the first AMT three-level deceleration active roller gear are fixedly connected with tri- axis of the first AMT, the first AMT gear shift tooth
Set is connect with the first AMT toothholder by spline slide, and the first AMT three-level deceleration active roller gear and the first AMT three-level are slowed down
Driven cylindrical gear engagement.
2nd AMT assembly is identical as the first AMT assembly structure.
The utility model carries out matched design, small torque with two grades of AMT of large speed ratio respectively using small torque pot motor
Motor cost and weight can be effectively reduced in motor；Bi-motor power is big, can satisfy demand of the vehicle to power；The I of two AMT
Shelves setting super large speed ratio, can satisfy vehicle max. climb slope；Two motors use high revolving speed, can be in the setting large speed ratio of AMT
In the case where meet the requirement of vehicle max. speed；Electronic differential technology is operated alone using left and right wheels, eliminates traditional
Bevel gear differential assembly can effectively reduce assembly weight.
Detailed description of the invention
Fig. 1 is the double AMT electric drive axle assembly structure schematic diagrames of lightweight bi-motor of the utility model.
Fig. 2 is the first AMT assembly structure schematic diagram.
Fig. 3 is the 2nd AMT assembly structure schematic diagram.
In figure: 1. first driving motors, 2. the oneth AMT assemblies, 3. second driving motors, 4. the 2nd AMT assemblies, 5. left half
Axis, 6. left wheels, 7. right axle shafts, 8. right wheels, mono- axis of the first AMT of 2-1., the first AMT primary speed-down active Cylinder Gear of 2-2.
Wheel, the first AMT primary speed-down driven cylindrical gear of 2-3., 2-4. II grade of active roller gear of the first AMT double reduction, 2-5. the
One I grade of AMT double reduction active roller gear, bis- axis of the first AMT of 2-6., the first AMT gear shift tooth set of 2-7., the first AMT of 2-8.
Toothholder, tri- axis of the first AMT of 2-9., 2-10. I grade of driven cylindrical gear of the first AMT double reduction, the first AMT double reduction of 2-11.
II grade of driven cylindrical gear, the first AMT three-level deceleration active roller gear of 2-12., the first AMT three-level reduction driven of 2-13. circle
Stud wheel, mono- axis of the 2nd AMT of 4-1., the 2nd AMT primary speed-down active roller gear of 4-2., the 2nd AMT primary speed-down of 4-3. from
Dynamic roller gear, 4-4. II grade of active roller gear of the 2nd AMT double reduction, 4-5. I grade of active cylinder of the 2nd AMT double reduction
Gear, bis- axis of the 2nd AMT of 4-6., the 2nd AMT gear shift tooth set of 4-7., the 2nd AMT toothholder of 4-8., tri- axis of the 2nd AMT of 4-9., 4-
10. the 2nd I grade of AMT double reduction driven cylindrical gear, 4-11. II grade of driven cylindrical gear of the 2nd AMT double reduction, 4-12.
2nd AMT three-level deceleration active roller gear, the 2nd AMT three-level reduction driven roller gear of 4-13..
Specific embodiment
By FIG. 1 to FIG. 3 it can be seen that the double AMT electric drive axle assemblies of the lightweight bi-motor of the utility model, including first
Driving motor 1, the first AMT assembly 2, the second driving motor 3, the 2nd AMT assembly 4, left half axle 5, right axle shaft 7；Wherein first drive
Dynamic motor 1 and the second driving motor 3 use 300~400Nm of torque, and revolving speed is not less than 12000 turns of motor；First AMT is total
At 2 and the 2nd AMT assembly 4 I grade of transmission mechanism speed ratio be 35~45, II notch speed transmission mechanism ratio be 16~20.
The first AMT assembly 2 include mono- axis 2-1 of the first AMT, the first AMT primary speed-down active roller gear 2-2,
First AMT primary speed-down driven cylindrical gear 2-3, the first AMT double reduction II grade of active roller gear 2-4, the first AMT second level
Slow down I grade of active roller gear 2-5, bis- axis 2-6 of the first AMT, the first AMT gear shift tooth set 2-7, the first AMT toothholder 2-8, first
Tri- axis 2-9 of AMT, II grade of I grade of driven cylindrical gear 2-10 of the first AMT double reduction, the first AMT double reduction driven cylindrical gear
2-11, the first AMT three-level deceleration active roller gear 2-12 and the first AMT three-level reduction driven roller gear 2-13；Second
AMT assembly 4 is driven including mono- axis 4-1 of the 2nd AMT, the 2nd AMT primary speed-down active roller gear 4-2, the 2nd AMT primary speed-down
Roller gear 4-3, I grade of II grade of active roller gear 4-4 of the 2nd AMT double reduction, the 2nd AMT double reduction active roller gear
4-5, bis- axis 4-6 of the 2nd AMT, the 2nd AMT gear shift tooth cover 4-7, the 2nd AMT toothholder 4-8, tri- axis 4-9 of the 2nd AMT, the 2nd AMT bis-
I grade of driven cylindrical gear 4-10 of grade deceleration, II grade of driven cylindrical gear 4-11 of the 2nd AMT double reduction, the 2nd AMT three-level are slowed down
Active roller gear 4-12 and the 2nd AMT three-level reduction driven roller gear 4-13.
By taking above-mentioned first AMT assembly 2 as an example, the first AMT primary speed-down active roller gear can be seen that from Fig. 1, Fig. 2
2-2 is fixedly connected with mono- axis 2-1 of the first AMT, the first AMT primary speed-down active roller gear 2-2 and the first AMT primary speed-down from
Dynamic roller gear 2-3 engagement, II grade of the first AMT primary speed-down driven cylindrical gear 2-3, the first AMT double reduction active cylinder
I grade of gear 2-4, the first AMT double reduction active roller gear 2-5 are fixedly connected with bis- axis 2-6 of the first AMT, the first AMT second level
The II grade of active roller gear 2-4 that slow down is engaged with II grade of driven cylindrical gear 2-11 of the first AMT double reduction, the first AMT second level
The I grade of active roller gear 2-5 that slow down is engaged with I grade of driven cylindrical gear 2-10 of the first AMT double reduction, the first AMT toothholder 2-
8, the first AMT three-level deceleration active roller gear 2-12 is fixedly connected with tri- axis 2-9 of the first AMT, and the first AMT gear shift tooth covers 2-7
It is connect with the first AMT toothholder 2-8 by spline slide, the first AMT three-level deceleration active roller gear 2-12 and the first AMT three-level
Reduction driven roller gear 2-13 engagement.
When gear-shifting actuating mechanism stir the first AMT gear shift tooth set 2-7, make it through spline simultaneously with the first AMT toothholder 2-8
When with the I grade of driven cylindrical gear 2-10 engagement of the first AMT double reduction, the first AMT assembly 2 is in I grade of working condition；Work as gear shift
Executing agency stir the first AMT gear shift tooth set 2-7, make it through spline simultaneously with the first AMT toothholder 2-8 and the first AMT second level
When the II grade of driven cylindrical gear 2-11 that slow down is engaged, the first AMT assembly 2 is in II grade of working condition；As the first AMT toothholder 2-8
Not with the first AMT double reduction I grade of driven cylindrical gear 2-10 and II grade of driven cylindrical gear 2-11 of the first AMT double reduction
Neutral state is in when engagement.
When the first AMT assembly 2 is in I grade of working condition, power is passed through mono- axis 2- of the first AMT by the first driving motor 1
1, the first AMT primary speed-down active roller gear 2-2 is transferred to the first AMT primary speed-down driven cylindrical gear 2-3, then passes through the
I grade of one AMT, bis- axis 2-6, the first AMT double reduction active roller gear 2-5 are transferred to I grade of driven circle of the first AMT double reduction
Then stud wheel 2-10 covers 2-7, the first AMT toothholder 2-8, tri- axis 2-9 of the first AMT, the first AMT tri- by the first AMT gear shift tooth
Grade deceleration active roller gear 2-12 is transferred to the first AMT three-level reduction driven roller gear 2-13, finally by the first AMT three-level
Power is transferred to left wheel 6 by left half axle 5 by reduction driven roller gear 2-13；When the first AMT assembly 2 is in II grade of work
When state, the first driving motor 1 passes power by mono- axis 2-1 of the first AMT, the first AMT primary speed-down active roller gear 2-2
It is handed to the first AMT primary speed-down driven cylindrical gear 2-3, then passes through II grade of bis- axis 2-6 of the first AMT, the first AMT double reduction master
Dynamic roller gear 2-4 is transferred to II grade of driven cylindrical gear 2-11 of the first AMT double reduction, then passes through the first AMT gear shift tooth
Set 2-7, the first AMT toothholder 2-8, tri- axis 2-9 of the first AMT, the first AMT three-level deceleration active roller gear 2-12 are transferred to first
AMT three-level reduction driven roller gear 2-13 finally passes through left half axle 5 by the first AMT three-level reduction driven roller gear 2-13
Power is transferred to left wheel 6；When the first AMT assembly 2 is in neutral state, the first driving motor 1 does not work.
Similarly, from Fig. 1, Fig. 3 can be seen that the second driving motor 3 can by power by I grade of the 2nd AMT assembly 4 or
II grade is transferred to the 2nd AMT three-level reduction driven roller gear 4-13, finally by the 2nd AMT three-level reduction driven roller gear 4-
Power is transferred to right wheel 8 by right axle shaft 7 by 13.
From FIG. 1 to FIG. 3 as can be seen that the double AMT electric drive axle assemblies of above-mentioned lightweight bi-motor, axle housing two sides are assembled respectively
First AMT assembly 2 and the 2nd AMT assembly 4, then the first driving motor 1 and the first AMT assembly 2 assemble, the second driving motor 3
It is assembled with the 2nd AMT assembly 4, wherein the first AMT three-level reduction driven roller gear 2-13 of the first AMT assembly 2 and left half axle 5
It is attached by spline, the 2nd AMT three-level reduction driven roller gear 4-13 and right axle shaft 7 of the 2nd AMT assembly 4 pass through flower
Key connection.First driving motor 1 is total by I grade or II grade and the 2nd AMT of the first AMT assembly 2 respectively with the second driving motor 3
Power is transmitted into left half axle 5, right axle shaft 7 at I grade of 4 or II grade, respectively passes power finally by left half axle 5 and right axle shaft 7
It is handed to left wheel 6 and right wheel 8, driving vehicle traveling.
The double AMT electric drive axle assemblies of above-mentioned lightweight bi-motor, two driving motors are all made of high-speed motor, in equal-wattage
Under the premise of torque reduce, to reduce the weight and cost of motor；For the requirement for meeting vehicle max. climb slope, two small torques
Pot motor has matched super large speed ratio AMT respectively, provides enough driving forces for vehicle；Electricity is operated alone using left and right wheels
Sub- differential technology eliminates traditional bevel gear differential assembly, can effectively reduce assembly weight.
Claims (3)
1. a kind of double AMT electric drive axle assemblies of lightweight bi-motor, it is characterised in that including the first driving motor (1), the first AMT
Assembly (2), the second driving motor (3), the 2nd AMT assembly (4), left half axle (5), right axle shaft (7)；First driving motor (1) will
Power is transferred to left wheel (6) by I grade of transmission mechanism of the first AMT assembly (2) or II grade of transmission mechanism and left half axle (5)；
Power is passed through I grade of transmission mechanism of the 2nd AMT assembly (4) or II grade of transmission mechanism and right axle shaft (7) by the second driving motor (3)
It is transferred to right wheel (8)；Wherein the first driving motor (1) and the second driving motor (3) use 300~400Nm of torque, revolving speed
High-speed motor not less than 12000rpm；I grade of transmission mechanism speed ratio of the first AMT assembly (2) and the 2nd AMT assembly (4) is 35
~45, II grade of transmission mechanism ratio is 16~20.
2. the double AMT electric drive axle assemblies of lightweight bi-motor according to claim 1, it is characterised in that described first
AMT assembly (2) subtracts including mono- axis of the first AMT (2-1), the first AMT primary speed-down active roller gear (2-2), the first AMT level-one
Fast driven cylindrical gear (2-3), I grade of II grade of active roller gear (2-4) of the first AMT double reduction, the first AMT double reduction master
Dynamic roller gear (2-5), bis- axis of the first AMT (2-6), the first AMT gear shift tooth set (2-7), the first AMT toothholder (2-8), first
Tri- axis of AMT (2-9), II grade of I grade of driven cylindrical gear (2-10) of the first AMT double reduction, the first AMT double reduction driven cylinder
Gear (2-11), the first AMT three-level deceleration active roller gear (2-12) and the first AMT three-level reduction driven roller gear
(2-13)；First AMT primary speed-down active roller gear (2-2) is fixedly connected with mono- axis of the first AMT (2-1), the first AMT level-one
Deceleration active roller gear (2-2) is engaged with the first AMT primary speed-down driven cylindrical gear (2-3), the first AMT primary speed-down from
II grade of dynamic roller gear (2-3), the first AMT double reduction active roller gear (2-4), I grade of the first AMT double reduction are actively round
Stud wheel (2-5) is fixedly connected with bis- axis of the first AMT (2-6), the first II grade of AMT double reduction active roller gear (2-4) with
The engagement of first II grade of AMT double reduction driven cylindrical gear (2-11), the first I grade of AMT double reduction active roller gear (2-5)
It is engaged with I grade of driven cylindrical gear (2-10) of the first AMT double reduction, the first AMT toothholder (2-8), the first AMT three-level, which are slowed down, to be led
Dynamic roller gear (2-12) is fixedly connected with tri- axis of the first AMT (2-9), the first AMT gear shift tooth set (2-7) and the first AMT toothholder
(2-8) is connected by spline slide, the first AMT three-level deceleration active roller gear (2-12) and the first AMT three-level reduction driven
Roller gear (2-13) engagement.
3. the double AMT electric drive axle assemblies of lightweight bi-motor according to claim 1 or 2, it is characterised in that the 2nd AMT is total
It is identical as the first AMT assembly (2) structure at (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821982141.8U CN209365876U (en) | 2018-11-29 | 2018-11-29 | A kind of double AMT electric drive axle assemblies of lightweight bi-motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821982141.8U CN209365876U (en) | 2018-11-29 | 2018-11-29 | A kind of double AMT electric drive axle assemblies of lightweight bi-motor |
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| Publication Number | Publication Date |
|---|---|
| CN209365876U true CN209365876U (en) | 2019-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821982141.8U Active CN209365876U (en) | 2018-11-29 | 2018-11-29 | A kind of double AMT electric drive axle assemblies of lightweight bi-motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109649140A (en) * | 2018-11-29 | 2019-04-19 | 汽解放汽车有限公司 | A kind of double AMT electric drive axle assemblies of lightweight bi-motor |
| CN111458016A (en) * | 2019-11-29 | 2020-07-28 | 一汽解放汽车有限公司 | Method for rapidly detecting vibration of drive axle assembly |
-
2018
- 2018-11-29 CN CN201821982141.8U patent/CN209365876U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109649140A (en) * | 2018-11-29 | 2019-04-19 | 汽解放汽车有限公司 | A kind of double AMT electric drive axle assemblies of lightweight bi-motor |
| CN111458016A (en) * | 2019-11-29 | 2020-07-28 | 一汽解放汽车有限公司 | Method for rapidly detecting vibration of drive axle assembly |
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