CN208381237U - A kind of Dual-motors Driving bridge case of pure electric automobile - Google Patents
A kind of Dual-motors Driving bridge case of pure electric automobile Download PDFInfo
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- CN208381237U CN208381237U CN201820670713.2U CN201820670713U CN208381237U CN 208381237 U CN208381237 U CN 208381237U CN 201820670713 U CN201820670713 U CN 201820670713U CN 208381237 U CN208381237 U CN 208381237U
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- gear
- driving
- motor
- driven gear
- subtracts
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Abstract
The utility model is specifically related to a kind of Dual-motors Driving bridge case of pure electric automobile, wherein, driving gear is fixed on input shaft, motor and input axis connection simultaneously provide power, for driven gear empty set on jackshaft, synchronizer can move left and right driven gear connection, and master subtracts driving gear and is fixedly connected with jackshaft, motor output power subtracts driven gear by master and is transmitted to differential mechanism, and left half axle and right axle shaft pass through spline respectively and connect with differential mechanism.The utility model has the beneficial effects that driving motor, gearbox, drive axle are done integrated design, logistics chassis space is saved, the drive shaft of front-engine rear-drive is reduced in structure, saves cost；By electric machine speed regulation, reduces synchronizer rotational speed difference, the synchronous ring structure of synchronizer is eliminated while guaranteeing performance, simplifies structure.
Description
Technical field
The utility model relates to electric powered motor technical fields, and in particular to a kind of Dual-motors Driving of pure electric automobile
Bridge case.
Background technique
Environmental protection also proposed construction economizing type with the major issue that energy conservation is that the 21st century whole world faces, Chinese Government
The fundamental state policy of society and the Industry Development Policy for encouraging to develop small displacement energy-efficient automobile, electric car are to realize this target
One of important method.Retarder, drive axle and motor are all the important components of electric car.
For example, disclosing a kind of Dual-motors Driving bridge application No. is 201510391895.0 Chinese invention patent application
Structure comprising positioned at the axle housing of bottom of frame, be set side by side in axle housing there are two independent driving motor, the master of each motor
Planetary reduction gear is all installed on axis, the power of driving motor output is transferred to transmission shaft through planetary reduction gear, then through transmission shaft
It is sent to a pair of of the front driving wheel or postposition driving wheel of electric vehicle.
In another example disclosing a kind of dual-motor combination application No. is 201611009432.4 Chinese invention patent application
Electric motor car driving bridge, including two wheels and worm couple are sequentially coaxially equipped with left axle housing, main rotation between two wheels
Change, main motor, planetary gear train, differential mechanism, right axle housing, worm couple include worm gear and worm screw, and worm screw is coaxial with speed regulating motor
Connection.
The problems of the above-mentioned prior art is: all there is power interruption in the process of running, influences to automobile
Driving experience；High torque motor cost is expensive, at high cost, and system effectiveness is low.
Utility model content
In view of the defects existing in the prior art, the utility model provides a kind of Dual-motors Driving bridge of pure electric automobile
Case.
The technical solution of the utility model is a kind of Dual-motors Driving bridge case of pure electric automobile, including the first jackshaft,
First input shaft, four gear driven gears, four gear driving gears, the first synchronizer, second gear driven gear, two gear driving gear, difference
Fast device, the first master subtract driving gear, first motor, left half axle, right axle shaft, the second jackshaft, the second input shaft, three gear driven tooths
Wheel, three gear driving gears, the second synchronizer, a gear driven gear, a gear driving gear, the second master subtract driving gear, the second electricity
Machine and master subtract driven gear, wherein two gear driving gear and four gear driving gears be fixed on the first input shaft, first motor with
First input axis connection simultaneously provides power, and on the first jackshaft, first is same for second gear driven gear and four gear driven gear empty sets
Step device can be moved left and right respectively and be connect with second gear driven gear and four gear driven gears, and the first master subtracts driving gear and first
Jackshaft is fixedly connected, it is main subtract driven gear respectively with first it is main subtract driving gear and second it is main subtract driving gear and engage connection,
First motor output power subtracts driven gear by master and is transmitted to differential mechanism, and left half axle and right axle shaft pass through spline and differential respectively
Device connection；
One gear driving gear and three gear driving gears are fixed on the second input shaft, the second motor and the second input axis connection
And power is provided, on the second jackshaft, the second synchronizer can control shifting for a gear driven gear and three gear driven gear empty sets
Dynamic to connect respectively with a gear driven gear and three gear driven gears, the second master subtracts driving gear and is fixedly connected with the second jackshaft,
Second motor output power subtracts driven gear by master and is transmitted to differential mechanism.
Further, left half axle and right axle shaft are fixed using bridge tube support.
Further, differential mechanism bosom position is fixedly installed on four bifurcateds of cross axle, cross axle and is respectively equipped with
One cone tooth.
Further, first motor and the second motor can using asynchronous machine, switched reluctance AC servo motor or
Any one in switch magnetic flow formula AC servo motor.
Further, first main subtract driving gear, second main subtract driving gear and main subtract driven gear to be all made of cylinder oblique
Gear is made.
The superior of Dual-motors Driving bridge case described in the utility model has the technical effect that
(1) driving motor, gearbox, drive axle are done into integrated design, saves logistics chassis space, subtracts in structure
The drive shaft for having lacked front-engine rear-drive, saves cost；
(2) energy intersection subtracts driven gear main, and the main driven gear that subtracts subtracts driving gear and engage with two masters simultaneously, will
The torque that two motors generate is collected；
(3) small torque motor cooperates high ratio power train, and economy was best on the basis of both having met vehicle dynamic property demand,
Meets the needs of to small torque pot motor again simultaneously；
(4) by electric machine speed regulation, reduce synchronizer rotational speed difference, the synchronization of synchronizer is eliminated while guaranteeing performance
Ring structure simplifies structure；
(5) two sets of completely self-contained shift motor mechanisms, it is necessary because the gear in the application is applied in combination
Using two independent gearshifts, guarantee that odd number gear and even number gear can engage simultaneously.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Dual-motors Driving bridge case described in the utility model.
In figure shown in label: the first jackshaft of 1-, the first input shaft of 2-, 3- tetra- keep off driven gear, and 4- tetra- keeps off driving gear,
The first synchronizer of 5-, 6- second gear driven gear, 7- two gear driving gear, 8- differential mechanism, 9- first is main to subtract driving gear, 10- the
One motor, 11- left half axle, 12- right axle shaft, the second jackshaft of 13-, the second input shaft of 14-, 15- tri- keep off driven gear, 16- tri-
Driving gear, the second synchronizer of 17- are kept off, 18- mono- keeps off driven gear, and 19- mono- keeps off driving gear, and the master of 20- second subtracts driving gear,
The second motor of 21-, 22- master subtract driven gear.
Specific embodiment
The specific embodiment of Dual-motors Driving bridge case described in the utility model is done into one with reference to the accompanying drawings of the specification
Step is described in detail.
As shown in Figure 1, Dual-motors Driving bridge case described in the utility model includes the first jackshaft 1, the first input shaft 2, four
It keeps off driven gear 3, four and keeps off driving gear 4, the first synchronizer 5, second gear driven gear 6, two gear driving gear 7, differential mechanism 8, the
One it is main subtract driving gear 9, first motor 10, left half axle 11, right axle shaft 12, the second jackshaft 13, the second input shaft 14, three gear from
Moving gear 15, three keeps off driving gear 16, the second synchronizer 17, one gear driven gear 18, one keeps off the master of driving gear 19, second and subtracts master
Moving gear 20, the second motor 21 and master subtract driven gear 22, wherein two gear driving gear 7 and four gear driving gears 4 are fixed on the
On one input shaft 2, first motor 10 connect and provides power, second gear driven gear 6 and four gear driven gears with the first input shaft 2
On the first jackshaft 1, the first synchronizer 5 can move left and right and keep off driven tooths with second gear driven gear 6 and four respectively 3 empty sets
3 connection of wheel, the first master subtract driving gear 9 and are fixedly connected with the first jackshaft 1, and the main driven gear 22 that subtracts subtracts master with the first master respectively
Moving gear 9 and the second main driving gear 20 that subtracts engage connection, couple the power of first motor 10 and the second motor 21, first motor
The power of 10 outputs are transmitted to differential mechanism 8 by the main driven gear 22 that subtracts, left half axle 11 and right axle shaft 12 respectively by spline with
Differential mechanism 8 connects；
One gear driving gear 19 and three gear driving gears 16 are fixed on the second input shaft 14, the second motor 21 and second defeated
Entering axis 14 and connects and provide power, a gear driven gear 18 and three gear 15 empty sets of driven gear are on the second jackshaft 13, and second
Synchronizer 17 can be moved left and right and be connect respectively with a gear driven gear 18 and three gear driven gears 15, and the second master subtracts driving tooth
Wheel 20 is fixedly connected with the second jackshaft 13, and the power of the second motor 21 output subtracts driven gear 22 by master and is transmitted to differential mechanism
8。
Further, left half axle 11 and right axle shaft 12 are fixed using bridge tube support.
Further, 8 bosom position of differential mechanism is fixedly installed on four bifurcateds of cross axle, cross axle and is respectively equipped with
One cone tooth.
Further, first motor 10 and the second motor 21 can be using asynchronous machines, switched reluctance AC servo electricity
Any one in machine or switch magnetic flow formula AC servo motor.
Further, first main subtracts that driving gear 9, second is main to be subtracted driving gear 20 and main subtract driven gear 22 and be all made of circle
Column angular gear is made.
The operational process of Dual-motors Driving bridge case described in the utility model is as follows:
One gear operational process: the second motor generates power, passes sequentially through the second input shaft, a gear driving gear, second together
Step device, a gear driven gear, the second jackshaft, the second master subtracts driving gear, master subtracts driven gear, differential mechanism, finally by power
It is transmitted to left half axle and right axle shaft；
Second gear operational process: first motor generates power, passes sequentially through the first input shaft, two gear driving gear, first together
Step device, second gear driven gear, the first jackshaft, the first master subtracts driving gear, master subtracts driven gear, differential mechanism, finally by power
It is transmitted to left half axle and right axle shaft；
Three gear operational process: the second motor generates power, passes sequentially through the second input shaft, three gear driving gears, second together
Step device, three gear driven gears, the second jackshaft, the second master subtracts driving gear, master subtracts driven gear, differential mechanism, finally by power
It is transmitted to left half axle and right axle shaft；
Four gear operational process: first motor generates power, passes sequentially through the first input shaft, four gear driving gears, first together
Step device, four gear driven gears, the first jackshaft, the first master subtracts driving gear, master subtracts driven gear, differential mechanism, finally by power
It is transmitted to left half axle and right axle shaft.
The utility model is not limited to the above embodiment, without departing substantially from the utility model in essence content, this
Any deformation, improvement, the replacement that field technical staff is contemplated that each fall within the protection scope of the utility model.
Claims (5)
1. a kind of Dual-motors Driving bridge case of pure electric automobile, including the first jackshaft (1), the first input shaft (2), four gears are driven
Gear (3), four gear driving gear (4), the first synchronizer (5), second gear driven gear (6), two gear driving gear (7), differential mechanism
(8), first main subtracts driving gear (9), first motor (10), left half axle (11), right axle shaft (12), the second jackshaft (13), the
Two input shafts (14), three gears driven gear (15), three gears driving gear (16), the second synchronizer (17), a gear driven gear
(18), gear driving gear (19), the second master subtract driving gear (20), the second motor (21) and master and subtract driven gear (22),
In, two gear driving gear (7) and four gears driving gear (4) are fixed on the first input shaft (2), first motor (10) and first defeated
Entering axis (2) and connects and provide power, second gear driven gear (6) and four keep off driven gear (3) empty sets on the first jackshaft (1),
First synchronizer (5) can be moved left and right respectively and be connect with second gear driven gear (6) and four gears driven gear (3), and first is main
Subtract driving gear (9) to be fixedly connected with the first jackshaft (1), first motor (10) output power subtracts driven gear (22) by master
It is transmitted to differential mechanism (8), the main driven gear (22) that subtracts is led with the first main driving gear (9) and second that subtracts respectively and subtracts driving gear
(20) engagement connection, left half axle (11) and right axle shaft (12) are connect by spline with differential mechanism (8) respectively；
One gear driving gear (19) and three gears driving gear (16) are fixed on the second input shaft (14), the second motor (21) and the
Two input shafts (14) connect and provide power, and gear driven gear (18) and three gear driven gear (15) empty sets are in the second jackshaft
On, the second synchronizer (17) can move left and right to be connect with gear driven gear (18) and three gears driven gear (15) respectively, the
Two masters subtract driving gear (20) and are fixedly connected with the second jackshaft (13), and the second motor (21) output power subtracts driven tooth by master
Wheel (22) is transmitted to differential mechanism (8).
2. Dual-motors Driving bridge case according to claim 1, which is characterized in that left half axle (11) and right axle shaft (12) use
Bridge tube support is fixed.
3. Dual-motors Driving bridge case according to claim 1, which is characterized in that differential mechanism (8) bosom position is fixed
It is equipped on four bifurcateds of cross axle, cross axle respectively equipped with a cone tooth.
4. Dual-motors Driving bridge case according to claim 1, which is characterized in that first motor (10) and the second motor (21)
It can be using any one in asynchronous machine, switched reluctance AC servo motor or switch magnetic flow formula AC servo motor.
5. Dual-motors Driving bridge case according to claim 1, which is characterized in that the first master subtracts driving gear (9), the second master
Subtract driving gear (20) and it is main subtract driven gear (22) and be all made of cylinder angular gear be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820670713.2U CN208381237U (en) | 2018-05-07 | 2018-05-07 | A kind of Dual-motors Driving bridge case of pure electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820670713.2U CN208381237U (en) | 2018-05-07 | 2018-05-07 | A kind of Dual-motors Driving bridge case of pure electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208381237U true CN208381237U (en) | 2019-01-15 |
Family
ID=64973760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820670713.2U Expired - Fee Related CN208381237U (en) | 2018-05-07 | 2018-05-07 | A kind of Dual-motors Driving bridge case of pure electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208381237U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561525A (en) * | 2018-05-07 | 2018-09-21 | 南京越博动力系统股份有限公司 | A kind of Dual-motors Driving bridge case of pure electric automobile |
| CN110239340A (en) * | 2019-03-11 | 2019-09-17 | 南京越博动力系统股份有限公司 | Dual-motors Driving bridge case |
| WO2020259518A1 (en) * | 2019-06-27 | 2020-12-30 | 郑州宇通客车股份有限公司 | Battery electric vehicle and electric drive power system therefor |
| CN112277611A (en) * | 2019-07-25 | 2021-01-29 | 郑州宇通客车股份有限公司 | Electric vehicle and integrated driving system thereof |
-
2018
- 2018-05-07 CN CN201820670713.2U patent/CN208381237U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561525A (en) * | 2018-05-07 | 2018-09-21 | 南京越博动力系统股份有限公司 | A kind of Dual-motors Driving bridge case of pure electric automobile |
| CN110239340A (en) * | 2019-03-11 | 2019-09-17 | 南京越博动力系统股份有限公司 | Dual-motors Driving bridge case |
| WO2020259518A1 (en) * | 2019-06-27 | 2020-12-30 | 郑州宇通客车股份有限公司 | Battery electric vehicle and electric drive power system therefor |
| CN112277611A (en) * | 2019-07-25 | 2021-01-29 | 郑州宇通客车股份有限公司 | Electric vehicle and integrated driving system thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |