CN209365879U - A kind of center integrated form bi-motor dual reducer electric drive axle assembly - Google Patents
A kind of center integrated form bi-motor dual reducer electric drive axle assembly Download PDFInfo
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- CN209365879U CN209365879U CN201821997184.3U CN201821997184U CN209365879U CN 209365879 U CN209365879 U CN 209365879U CN 201821997184 U CN201821997184 U CN 201821997184U CN 209365879 U CN209365879 U CN 209365879U
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- retarder
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- roller gear
- axis
- active roller
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Abstract
The utility model utility model provides a kind of central integrated form bi-motor dual reducer electric drive axle assembly, have matched two sets of driving motors and speed reducer assembly, can according to need while or in which some for vehicle provide power, by selecting the motor of parameters and the speed reducer assemblies of matching different speed ratios such as different capacity, torque, efficiency distribution, four kinds of drive modes can be provided for vehicle, two driving motors are all made of can high-speed motor, torque reduces under the premise of equal-wattage, to reduce 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；Meanwhile 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, provides optimal drive mode when different loads, different speeds, different road conditions for vehicle.
Description
Technical field
The utility model category electric drive axle assembly field, more particularly, to a kind of central integrated form bi-motor dual reducer electricity
Driving axis.
Background technique
Currently, motor integrated form drive axle mainly has single motor matching retarder, single motor matching speed changer, bi-motor
Four kinds of schemes of speed changer are matched with retarder and bi-motor, wherein single motor matching retarder scheme meets vehicle most at the same time
There is limitation in terms of big climbable gradient and max. speed, is suitable for small tonnage；Single motor matching speed changer scheme is meeting ton
It is influenced to be not easy to realize by power, system weight, system cost etc. when the larger vehicle in position；Bi-motor matches speed changer scheme
It is more suitable for large-tonnage vehicle application, has both been able to satisfy vehicle power demand, also can meets vehicle most by the setting of gearbox speed ratio
The demand of big climbable gradient and max. speed, program weight are big, at high cost；And bi-motor matching retarder scheme is only taken turns at present
Side drive scheme is mainly used in the new energy bus of low-floor, and max. speed is lower, and structure type and performance can not
Meet pure electric vehicle truck applications.
Summary of the invention
The utility model provides a kind of double electricity of central integrated form to overcome limitation existing for existing electric drive axle
Machine dual reducer electric drive axle assembly.
The utility model adopts the following technical scheme that realization:
A kind of center integrated form bi-motor dual reducer electric drive axle assembly, including axle housing are provided with bevel gear in axle housing
One end of formula differential assembly, left half axle and right axle shaft, left wheel and left half axle connects, the other end and bevel gear type of left half axle
Left half axle gear in differential assembly is fixedly connected, one end connection of right wheel and right axle shaft, the other end and cone of right axle shaft
Right axle shaft gear in gear differential assembly is fixedly connected, which is characterized in that the first driving motor passes through the first retarder
Assembly is connect with the differential mechanism left housing in bevel gear differential assembly, and the second driving motor is by the second speed reducer assembly and cone
Differential right casing connection in gear differential 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
One speed reducer three-level reduction driven roller gear；First retarder primary speed-down active roller gear and one axis of the first retarder are solid
Fixed connection, the first retarder primary speed-down active roller gear are engaged with the first retarder primary speed-down driven cylindrical gear, the
One speed reducer primary speed-down driven cylindrical gear and the first retarder double reduction active roller gear with the first retarder two
Axis is fixedly connected, and the first retarder double reduction active roller gear is nibbled with the first retarder double reduction driven cylindrical gear
It closes, the first retarder double reduction driven cylindrical gear and the first retarder three-level deceleration active roller gear slow down with first
Three axis of device is fixedly connected, the first retarder three-level deceleration active roller gear and the first retarder three-level reduction driven roller gear
The fixed company of differential mechanism left housing in engagement, the first retarder three-level reduction driven roller gear and bevel gear differential assembly
It connects；
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
Two retarder three-level reduction driven roller gears；Second retarder primary speed-down active roller gear and one axis of the second retarder are solid
Fixed connection, the second retarder primary speed-down active roller gear are engaged with the second retarder primary speed-down driven cylindrical gear, the
Two retarder primary speed-down driven cylindrical gears and the second retarder double reduction active roller gear with the second retarder two
Axis is fixedly connected, and the second retarder double reduction active roller gear is nibbled with the second retarder double reduction driven cylindrical gear
It closes, the second retarder double reduction driven cylindrical gear and the second retarder three-level deceleration active roller gear slow down with second
Three axis of device is fixedly connected, the second retarder three-level deceleration active roller gear and the second retarder three-level reduction driven roller gear
The fixed company of differential right casing in engagement, the second retarder three-level reduction driven roller gear and bevel gear differential assembly
It connects.
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 utility model are:
A kind of central integrated form bi-motor dual reducer electric drive axle assembly provided by the utility model, has matched two sets of drives
Dynamic motor and speed reducer assembly can according to need simultaneously or in which some for vehicle provide power, by selection different capacity,
The speed reducer assembly of the motor of the parameters such as torque, efficiency distribution and matching different speed ratios can provide four kinds for vehicle
Drive mode.
A kind of central integrated form bi-motor dual reducer electric drive axle assembly provided by the utility model, two driving motors are equal
High-speed motor can be used, torque reduces under the premise of equal-wattage, to reduce the weight and cost of motor；To meet vehicle
The requirement of max. climb slope, two small torque pot motors can match large speed ratio retarder respectively, provide enough drives for vehicle
Power；Meanwhile according to vehicle situation, the parameters such as power, torque, the efficiency distribution of two motors and Proper Match are reasonably selected therewith
The speed ratio of the retarder of connection provides optimal driving mould when different loads, different speeds, different road conditions for vehicle
Formula.
Detailed description of the invention
The utility model will be further described below with reference to the accompanying drawings:
Fig. 1 show a kind of knot of central integrated form bi-motor dual reducer electric drive axle assembly described in the utility model
Structure schematic diagram.
Fig. 2 show the structural schematic diagram of the first speed reducer assembly in the utility model.
Fig. 3 show the structural schematic diagram of the second speed reducer assembly in the utility model.
In figure: 1. first driving motors, 2. first speed reducer assemblies, 3. second driving motors, 4. second speed reducer assemblies,
5. bevel gear differential assembly, 6. left half axles, 7. left wheels, 8. right axle shafts, 9. 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, 2-4.
One speed reducer double reduction active roller gear, two axis of the first retarder of 2-5., three axis of the first retarder of 2-6., 2-7. first subtract
Fast device double reduction driven cylindrical gear, 2-8. the first retarder three-level deceleration active roller gear, the first retarder of 2-9. three
Grade reduction driven roller gear, one axis of the second retarder of 4-1., 4-2. the second retarder primary speed-down active roller gear, 4-3.
Second retarder primary speed-down driven cylindrical gear, 4-4. the second retarder double reduction active roller gear, 4-5. second subtract
Fast two axis of device, three axis of the second retarder of 4-6., 4-7. the second retarder double reduction driven cylindrical gear, the second retarder of 4-8.
Three-level deceleration active roller gear, 4-9. the second retarder three-level reduction driven roller gear.
Specific embodiment
The utility model is explained in detail with reference to the accompanying drawing:
The utility model provides a kind of central integrated form bi-motor dual reducer electric drive axle assembly, packet as shown in Figure 1:
Axle housing is included, the first driving motor 1, the first speed reducer assembly 2, the second driving motor 3, the second speed reducer assembly 4, bevel gear type are poor
Fast device assembly 5, left half axle 6, left wheel 7, right axle shaft 8, right wheel 9；Bevel gear differential assembly 5 is arranged in axle housing, left
Wheel 7 is connect with one end of left half axle 6, and the other end of left half axle 6 and the left half axle gear in bevel gear differential assembly 5 are consolidated
Fixed connection, right wheel 9 are connect with one end of right axle shaft 8, the other end of right axle shaft 8 and the right side in bevel gear differential assembly 5
Axle shaft gear is fixedly connected, 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, the first retarder three-level reduction driven roller gear 2-9；Second subtracts
Fast device 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 one
Grade reduction driven roller gear 4-3, the second retarder double reduction active roller gear 4-4, two axis 4-5 of the second retarder, the
Two retarders, three axis 4-6, the second retarder double reduction driven cylindrical gear 4-7, the second retarder three-level deceleration active cylinder
Gear 4-8, the second retarder three-level reduction driven roller gear 4-9.
As shown in Figure 1, a kind of central integrated form bi-motor dual reducer electric drive axle assembly described in the utility model, bridge
Shell both sides external assembles the first speed reducer assembly 2 and the second speed reducer assembly 4 respectively, and then the first driving motor 1 subtracts with first
Fast device assembly 2 assembles, and the second driving motor 3 and the second speed reducer assembly 4 assemble, wherein the first speed reducer assembly 2 subtracts with second
Fast device assembly 4 shares bevel gear differential assembly 5.Power is transferred to by the first driving motor 1 by the first speed reducer assembly 2
Power is transferred to bevel gear type differential by the second speed reducer assembly 4 by bevel gear differential assembly 5, the second driving motor 3
Then power is transferred to left half axle 6, bevel gear type by the left half axle gear in bevel gear differential assembly 5 by device assembly 5
Power is transferred to right axle shaft 8 by the right axle shaft gear in differential assembly 5, and power is transferred to left vehicle finally by left half axle 6
Power is transferred to right wheel 9, driving vehicle traveling by right axle shaft 8 by wheel 7.
It is illustrated in figure 2 the structural schematic diagram of the first speed reducer assembly 2, the first retarder primary speed-down active roller gear
2-2 is fixedly connected with one axis 2-1 of the first retarder, the first retarder primary speed-down active roller gear 2-2 and the first retarder
Primary speed-down driven cylindrical gear 2-3 engagement, the first retarder primary speed-down driven cylindrical gear 2-3, the first retarder second level
Deceleration active roller gear 2-4 is fixedly connected with two axis 2-5 of the first retarder, the first retarder double reduction active roller gear
2-4 is engaged with the first retarder double reduction driven cylindrical gear 2-7, the first retarder double reduction driven cylindrical gear 2-7,
First retarder three-level deceleration active roller gear 2-8 is fixedly connected with three axis 2-6 of the first retarder, and the first retarder three-level subtracts
Fast active roller gear 2-8 is engaged with the first retarder three-level reduction driven roller gear 2-9, the first retarder three-level slow down from
Dynamic roller gear 2-9 is fixedly connected with the differential mechanism left housing of bevel gear differential assembly 5.
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 is finally transferred to bevel gear differential assembly 5.
It is illustrated in figure 3 the structural schematic diagram of the second speed reducer assembly 4, the second retarder primary speed-down active roller gear
4-2 is fixedly connected with one axis 4-1 of the second retarder, the second retarder primary speed-down active roller gear 4-2 and the second retarder
Primary speed-down driven cylindrical gear 4-3 engagement, the second retarder primary speed-down driven cylindrical gear 4-3 and the second retarder second level
Deceleration active roller gear 4-4 is fixedly connected with two axis 4-5 of the second retarder, the second retarder double reduction active Cylinder Gear
Wheel 4-4 is engaged with the second retarder double reduction driven cylindrical gear 4-7, the second retarder double reduction driven cylindrical gear 4-
7 and second retarder three-level deceleration active roller gear 4-8 be fixedly connected with three axis 4-6 of the second retarder, the second retarder
Three-level deceleration active roller gear 2-8 is engaged with the second retarder three-level reduction driven roller gear 4-9, the second retarder three-level
Reduction driven roller gear 4-9 is fixedly connected with the differential right casing of bevel gear differential assembly 5.
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, the second retarder three-level reduction driven roller gear 4-9 are transferred to bevel gear type
Differential assembly 5.
A kind of central integrated form bi-motor dual reducer electric drive axle assembly described in the utility model, has matched two sets of drives
Dynamic motor and speed reducer assembly can according to need simultaneously or in which some for vehicle provide power, by selection different capacity,
The speed reducer assembly of the motor of the parameters such as torque, efficiency distribution and matching different speed ratios can be provided for vehicle such as table 1
In four kinds of drive modes providing.
Table 1
A kind of central integrated form bi-motor dual reducer electric drive axle assembly described in the utility model, two driving motors are equal
Using high-speed motor, torque reduces under the premise of equal-wattage, to reduce the weight and cost of motor；To meet vehicle most
The requirement of big climbable gradient, two small torque pot motors have matched large speed ratio retarder respectively, provide enough drivings for vehicle
Power；Meanwhile according to vehicle situation, reasonably selects the parameters such as power, torque, the efficiency distribution of two motors and Proper Match connects therewith
The speed ratio of the retarder connect provides optimal driving mould when different loads, different speeds, different road conditions for vehicle
Formula.
Claims (2)
1. a kind of center integrated form bi-motor dual reducer electric drive axle assembly, including axle housing, bevel gear type is provided in axle housing
Differential assembly (5), left half axle (6) and right axle shaft (8), left wheel (7) are connect with one end of left half axle (6), left half axle (6)
The other end is fixedly connected with the left half axle gear in bevel gear differential assembly (5), and the one of right wheel (9) and right axle shaft (8)
End connection, the other end of right axle shaft (8) are fixedly connected with the right axle shaft gear in bevel gear differential assembly (5), feature
It is, the first driving motor (1) is left by the differential mechanism in the first speed reducer assembly (2) and bevel gear differential assembly (5)
Shell connection, the second driving motor (3) is by the differential mechanism in the second speed reducer assembly (4) and bevel gear differential assembly (5)
Right shell 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), the first retarder one
Grade deceleration active roller gear (2-2) is engaged with the first retarder primary speed-down driven cylindrical gear (2-3), the first retarder one
Grade reduction driven roller gear (2-3) and the first retarder double reduction active roller gear (2-4) with 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), the first retarder three-level reduction driven roller gear (2-
9) it is fixedly connected with the differential mechanism left housing in bevel gear differential assembly (5)；
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), the second retarder one
Grade deceleration active roller gear (4-2) is engaged with the second retarder primary speed-down driven cylindrical gear (4-3), the second retarder one
Grade reduction driven roller gear (4-3) and the second retarder double reduction active roller gear (4-4) with 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 second 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 (2-
8) it is engaged with the second retarder three-level reduction driven roller gear (4-9), the second retarder three-level reduction driven roller gear (4-
9) it is fixedly connected with the differential right casing in bevel gear differential assembly (5).
2. a kind of central integrated form 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 |
|---|---|---|---|
| CN201821997184.3U CN209365879U (en) | 2018-11-30 | 2018-11-30 | A kind of center integrated form bi-motor dual reducer electric drive axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821997184.3U CN209365879U (en) | 2018-11-30 | 2018-11-30 | A kind of center integrated form bi-motor dual reducer electric drive axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209365879U true CN209365879U (en) | 2019-09-10 |
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ID=67834529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821997184.3U Active CN209365879U (en) | 2018-11-30 | 2018-11-30 | A kind of center integrated form bi-motor dual reducer electric drive axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209365879U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109466296A (en) * | 2018-11-30 | 2019-03-15 | 汽解放汽车有限公司 | A kind of center integrated form bi-motor dual reducer electric drive axle assembly |
| EP3855048A1 (en) * | 2020-01-24 | 2021-07-28 | MAN Truck & Bus SE | Modular transmission case for a motor vehicle |
-
2018
- 2018-11-30 CN CN201821997184.3U patent/CN209365879U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109466296A (en) * | 2018-11-30 | 2019-03-15 | 汽解放汽车有限公司 | A kind of center integrated form bi-motor dual reducer electric drive 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 |
| EP3855048A1 (en) * | 2020-01-24 | 2021-07-28 | MAN Truck & Bus SE | Modular transmission case for a motor vehicle |
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