CN107559389A - Parallel Dual-motors Driving transmission assembly - Google Patents
Parallel Dual-motors Driving transmission assembly Download PDFInfo
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- CN107559389A CN107559389A CN201710765476.8A CN201710765476A CN107559389A CN 107559389 A CN107559389 A CN 107559389A CN 201710765476 A CN201710765476 A CN 201710765476A CN 107559389 A CN107559389 A CN 107559389A
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Abstract
The present invention discloses a kind of parallel Dual-motors Driving transmission assembly, including the first motor and the second motor, the core motor axle of second motor and one end of hollow shaft connect firmly, the other end of hollow shaft is circumferentially fixed the second driving gear, second driving gear is provided with the second mounting hole, one end of input shaft connects firmly with the first motor, and the other end of input shaft is circumferentially fixed the first driving gear, and the first driving gear is provided with the first mounting hole；Jackshaft is provided with the first driven gear and the second driven gear by needle bearing, first driven gear is meshed with the first driving gear, second driven gear is meshed with the second driving gear, jackshaft synchronizer is provided between first driven gear and the second driven gear, jackshaft synchronizer is arranged on to slide axially on jackshaft and is engaged with the first driven gear or the second driven gear.The present invention is driven using two motors, avoids power interruption phenomenon of the drive system in shift process, and vehicle grade climbing performance improves.
Description
Technical field
The invention belongs to electric vehicle engineering field, and in particular to a kind of parallel Dual-motors Driving transmission assembly.
Background technology
New-energy automobile is an important breakthrough for stepping into energy-efficient society, electric automobile（Pure electric automobile or mixing are dynamic
Power automobile）As new energy power car, there is the characteristics of energy-efficient, zero-emission, provided for environmentally friendly and energy-conservation brand-new
Approach.The power assembly of in the market electric automobile mainly includes electric-machine directly-driven and motor matching transmission power two kinds of shapes of system
Formula.For motor-direct-drive type dynamical system because vehicle operating mode is changeable, its working range is wide（Cover low speed, middling speed and high speed）, motor
High benefit area can not possibly cover full working scope, therefore the efficiency of its vehicle actual condition operation is low；Speed variator type is matched for motor
Dynamical system, it can adjust motor high efficient district utilization rate under different operating modes using speed changer, so that vehicle actual condition is transported
Capable efficiency is much improved, therefore the dynamical system of motor matching transmission combination is the main flow dynamical system of electric automobile.At present
Speed changer for matching power assembly of electric automobile includes decelerator, more gear speed transmissions etc..Because motor has low speed permanent
The curve feature of moment of torsion, high speed invariable power, under the requirement for meeting vehicle climbable gradient and max. speed at the same time, usually require that matching
High-power, pot motor, increasing the volume of motor with power accordingly increases, and battery capacity needed for vehicle also accordingly increases,
Therefore it is unfavorable for the integral arrangement of electric automobile.
The content of the invention
The invention aims to overcome the deficiencies in the prior art, there is provided a kind of compact-sized parallel bi-motor drives
Dynamic transmission assembly, is easy to arrange, be avoided that power interruption phenomenon of the drive system in shift process, vehicle grade climbing performance carries
It is high.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of parallel Dual-motors Driving transmission assembly, including housing, input shaft, jackshaft and the output being arranged in housing
Axle, it is characterised in that：Also include the first motor, the second motor and hollow shaft, the motor shaft of second motor is core motor
Axle, the core motor axle of second motor and one end of hollow shaft connect firmly, and the other end of hollow shaft is circumferentially fixed the second master
Moving gear, second driving gear are provided with the second mounting hole, the core motor axle and hollow shaft empty set on input shaft,
Core motor axle and hollow shaft are extended in the both ends of input shaft, and the input shaft is arranged on the second driving gear by clutch shaft bearing
The second mounting hole in, one end of the input shaft connects firmly with the first motor, and the other end of input shaft is circumferentially fixed the first master
Moving gear, first driving gear are provided with the first mounting hole；It is driven that the jackshaft by needle bearing is provided with first
Gear and the second driven gear, first driven gear are meshed with the first driving gear of input shaft, and described second is driven
Gear is meshed with the second driving gear of hollow shaft, and jackshaft is provided between first driven gear and the second driven gear
Synchronizer, jackshaft synchronizer, which is arranged on jackshaft, can slide axially and the first driven gear or the matching of the second driven gear
Close, it is circumferentially fixed successively on the jackshaft to have two gear driving gear, three gear driving gears and a gear driving gear, the output
One end of axle is arranged on by second bearing in the first mounting hole of the first driving gear, and the other end is arranged on by 3rd bearing
On housing, the output shaft is sequentially installed with two gear driven tooths being meshed with two gear driving gear by the second needle bearing
Wheel, three gear driven gears being meshed with three gear driving gears and the gear driven gear being meshed with a gear driving gear, institute
State and one or three gear synchronizers are provided between three gear driven gears and a gear driven gear, the two gear driven gears and the first driving tooth
Two or four gear synchronizers are provided between wheel, one or the three gear synchronizer and two or four gear synchronizers are arranged on output shaft and can slided vertically
It is dynamic.
The input shaft and the first driving gear use gear shaft.
The hollow shaft and the second driving gear use gear shaft.
Installed in the housing by fourth bearing respectively at the both ends of the jackshaft.
The hollow shaft is installed in the housing by 5th bearing.
The clutch shaft bearing and second bearing are used without cup roller bearing.
It is also circumferentially fixed on the jackshaft to have five gear driving gears, six gear driving gears, pass through rolling on the output shaft
It is driven that needle bearing is provided with five gear driven gears being meshed with five gear driving gears, six gears being meshed with six gear driving gears
Gear, five or six gear synchronizers, five or the six gear synchronizer installation are provided between the five gear driven gear and six gear driven gears
It can be slid axially on output shaft.
Beneficial effects of the present invention：The present invention uses two motors, and the first motor is connected with input shaft, the second motor and sky
Mandrel is connected, and the first driving gear is set on input shaft, the second driving gear is set in hollow shaft, by the first driving gear with
First driven gear engages, and the second driving gear engages with the second driven gear, drives one on jackshaft to keep off driving gear, two
Keep off driving gear and three gear driving gears rotate, the drive of one, two, three gears is realized by one or three gear synchronizers and two or four gear synchronizers
It is dynamic；When the second motor stops, the work of the first motor is real when the first driving gear of input shaft is meshed with two or four gear synchronizers
Four gear drivings are showed.The present invention use two motors, corresponding different road conditions, realizes more shift controls, the first motor progress two,
Four gear controls, the second motor carry out one, three gear controls, and when being changed between each gear, the nothing for realizing shift process is moved
Power is interrupted, and improves the comfortableness of seating；When single motor driving moment deficiency is difficult to meet that vehicle travels torque demand, utilize
Speed changer is coupled, the gear of speed changer one can be with the coupling of two gears, and two gears can couple with three gears, three gears can couple with four gears, ensure that
The torque of vehicle traveling.And the power of two motors is small, motor volume is small, in light weight, and more energy efficient, cost is less expensive.Due to
Second motor uses core motor axle, makes the connected input shaft of the first motor through the core motor axle of the second motor and hollow
Axle, make topology layout more preferably compact.The present invention can be used for pure electric automobile, can be used for mixed power electric car.
The clutch shaft bearing and second bearing are used without cup roller bearing.Reduce the first peace of the first driving gear
Hole and the second mounting hole aperture of the second driving gear are filled, ensure that the intensity of the first driving gear and the second driving gear.
It is also circumferentially fixed on the jackshaft to have five gear driving gears, six gear driving gears, realize the control of five gears, six gears
System.
Brief description of the drawings
Fig. 1 is the structure simplification figure of the specific embodiment of the invention 1.
In accompanying drawing, 1 is the first motor, and 2 be the second motor, and 3 be 5th bearing, and 4 be hollow shaft, and 5 clutch shaft bearings, 6 be defeated
Enter axle, 7 be second bearing, and 8 be two or four gear synchronizers, and 9 be two gear driven gears, and 10 be the second needle bearing, 11 be three keep off from
Moving gear, 12 be the second driving gear, and 13 be one or three gear synchronizers, and 15 be 3rd bearing, and 16 be output shaft, and 17 be the 4th axle
Hold, 18 be the second driven gear, and 19 be the first needle bearing, and 20 be jackshaft synchronizer, and 21 be the first driven gear, and 22 be
One driving gear, 23 be two gear driving gear, and 24 be three gear driving gears, and 25 be a gear driving gear, and 26 be jackshaft.
Embodiment
The present invention is described in further detail with specific implementation below in conjunction with the accompanying drawings；
Specific embodiment 1
It is shown in Figure 1, a kind of parallel Dual-motors Driving transmission assembly, including housing, the input shaft being arranged in housing
6th, jackshaft 26 and output shaft 16, the first motor 1, the second motor 2 and hollow shaft 4, the motor shaft of second motor 2 is hollow
Motor shaft, the core motor axle of second motor 2 are connected firmly by spline and one end of hollow shaft 4, so as to realize the second motor
Moment of torsion, rotating speed input；The other end of hollow shaft 4 has the second driving gear, second driving tooth by the way that spline is circumferentially fixed
Wheel is provided with the second mounting hole, and the present embodiment hollow mandrel and the second driving gear use gear shaft.The hollow shaft 4 passes through
Five bearings 3 are installed in the housing, and the 5th bearing uses cylinder roller bearing.The core motor axle and hollow shaft empty set exist
On input shaft 6, input shaft 6 passes through core motor axle and hollow shaft, and core motor axle and hollow is extended at the both ends of input shaft 6
Axle, the input shaft 6 are arranged on by clutch shaft bearing 5 in second mounting hole of the second driving gear 12, and the clutch shaft bearing 5 is adopted
It is supported on without outer ring cylinder roller bearing, input shaft 6 by clutch shaft bearing 5 in second mounting hole of the second driving gear 12,
One end of the input shaft 6 is connected firmly by spline and the first motor 1, so as to realize the moment of torsion of the first motor, rotating speed input；Input
The other end of axle 5 has the first driving gear 22 by the way that spline is circumferentially fixed, and first driving gear 22 is provided with the first installation
Hole, input shaft and the first driving gear use gear shaft in the present embodiment；Realize the parallel connection of the first motor 1 and the second motor 2
Structure, the topology layout is more compact, reduces the space-consuming of two motors.The both ends of the jackshaft 26 pass through the 4th respectively
Bearing 17 is installed in the housing, and fourth bearing passes through cylinder roller bearing.The jackshaft 26 is pacified by the first needle bearing 19
Equipped with the first driven gear 21 and the second driven gear 18, the first driving gear of first driven gear 21 and input shaft 6
22 are meshed, and second driven gear 18 is meshed with the second driving gear 12 of hollow shaft 4, first driven gear 21
And second be provided with jackshaft synchronizer 20 between driven gear 18, the jackshaft synchronizer 20 is synchronizer assembly（Include knot
Trap assembly）, jackshaft synchronizer 20 can slide axially driven with the first driven gear or second on jackshaft 26
Gear is engaged, circumferentially fixed successively on the jackshaft 26 to have two gear driving gear 23, three to keep off the gear master of driving gear 24 and one
Moving gear 25, the gear driving gear 25, two gear driving gear 23 and three keep off driving gear 24 and are interference fitted in jackshaft 26
On, one end of the output shaft 16 is arranged on by second bearing 7 in first mounting hole of the first driving gear 22, and the other end leads to
3rd bearing 15 is crossed on housing, the second bearing is used without outer ring cylinder roller bearing, reduces the first mounting hole
Internal orifice dimension, the 3rd bearing uses cylinder roller bearing, and the output shaft 16 is installed successively by the second needle bearing 10
There are be meshed with two gear driving gear 23 two gear driven gears 9, three gear driven gears being meshed with three gear driving gears 24
11 and with one gear driving gear 25 be meshed one gear driven gear 14, it is described three gear driven gear 11 and one gear driven gear 14
Between be provided with one or three gear synchronizers 13, it is described two gear the driving gear 22 of driven gear 9 and first between be provided with two or four gear synchronizers
8, one or the three gear synchronizer 13 and 24 keeps off synchronizer 8 and is arranged on output shaft 16 and can slide axially, and one or three gear is same
It is synchronizer assembly to walk device and two or four gear synchronizers（Include combined cover assembly）.
Further：The input shaft 6 can also be connected the power for transmitting engine by clutch with engine, realize mixed
Close power transmission.
The operation principle of the present invention：When the second motor 2 works, and jackshaft synchronizer 20 is hung on left side gear, one or three gears
Synchronizer 13 is hung on one grade and the third gear that both sides form transmission assembly respectively；With should the first motor 1 work, jackshaft is synchronous
When device 20 is hung on right side gear, when two or four gear synchronizers 8 are hung on right side gear, the first motor 1 provides power and rotating speed input structure
Into two grades of speed changer；When jackshaft synchronizer 20 is hung on neutral gear, when two or four gear synchronizers 8 are hung on left side gear, the first electricity
Machine 1 provides power and rotating speed input forms the fourth gear of speed changer（Direct high）.For the control under different working conditions：
Operating mode one：Second motor 2 works, and speed changer can provide a gear respectively and three gears realize that speed change increases and turn round function, the first motor 1
Do not work.
Operating mode two：First motor 1 works, and speed changer can provide two gears respectively and four gears realize that speed change increases and turn round function, and second
Motor 2 does not work.
Operating mode three：It is another because motor driving moment deficiency is difficult to meet that vehicle travels torque demand during single motor work
Motor intervention provides torque mode.Such as：When second motor 2 works, speed changer is in a gear, and driving moment fails to meet vehicle need
Then the first motor 1 intervention work is asked, speed changer is linked into two gears simultaneously, according to motor characteristic, the second motor 2 offer moment of torsion, rotating speed
Pattern, the first motor 1 provide torque mode, and moment of torsion needed for vehicle is provided by the coupling of the gear of speed changer one and two gears.Similarly two
Gear can couple with three gears, three gears can couple with four gears.
Operating mode four：It need to be shifted gears due to adapting to different road conditions, conventional mechanical transmission generally exists in shift process
Power interruption in short-term reduces riding comfort, can be achieved to change by the coupling of adjacent gear in shift process in the present invention
Keep off power failure-free.Such as the second motor 2 works, and speed changer is in a gear, when adaptation road conditions demand speed changer shifts into second, utilizes
Coupling speed changer is hung on two gears not plucking a gear front derailleur, and a gear is plucked again so as to realize gearshift after the intervention work of the first motor 1
The power failure-free of process.
Specific embodiment 2
The characteristics of the present embodiment is：It is also circumferentially fixed on the jackshaft 26 to there are five gear driving gears, six to keep off driving gears, it is described
Five gear driven gears being meshed with five gear driving gears are provided with by needle bearing on output shaft, keep off driving gear phases with six
Engagement six gear driven gears, it is described five gear driven gear and six gear driven gears between be provided with five or six gear synchronizers, described five
Six gear synchronizers are arranged on output shaft and can slid axially.Other features are identical with specific embodiment 1.
Claims (7)
1. a kind of parallel Dual-motors Driving transmission assembly, including housing, the input shaft being arranged in housing（6）, jackshaft
（26）And output shaft（16）, it is characterised in that：Also include the first motor（1）, the second motor（2）And hollow shaft（4）, described second
Motor（2）Motor shaft be core motor axle, second motor（2）Core motor axle and hollow shaft（4）One end connect firmly,
Hollow shaft（4）The other end circumferentially fixed have the second driving gear（12）, second driving gear（12）It is provided with the second peace
Hole is filled, the core motor axle and hollow shaft empty set are in input shaft（6）On, input shaft（6）Both ends extend core motor axle
And hollow shaft, the input shaft（6）Second driving gear is arranged on by clutch shaft bearing（12）The second mounting hole in, it is described defeated
Enter axle（6）One end and the first motor（1）Connect firmly, the other end of input shaft is circumferentially fixed the first driving gear（22）, it is described
First driving gear（22）It is provided with the first mounting hole；The jackshaft（26）Pass through the first needle bearing（19）It is provided with first
Driven gear（21）With the second driven gear（18）, first driven gear（21）With the first driving gear of input shaft（12）
It is meshed, second driven gear（18）With the second driving gear of hollow shaft（12）It is meshed, first driven gear
（21）With the second driven gear（18）Between be provided with jackshaft synchronizer（20）, jackshaft synchronizer（20）Installed in jackshaft
（26）On can slide axially and be engaged with the first driven gear or the second driven gear, the jackshaft（26）On it is circumferential successively
It is fixed with two gear driving gear（23）, three gear driving gears（24）With a gear driving gear（25）, the output shaft（16）One
End passes through second bearing（8）Installed in the first driving gear（22）The first mounting hole in, the other end passes through 3rd bearing（15）
On housing, the output shaft（16）Pass through the second needle bearing（10）It is sequentially installed with and is meshed with two gear driving gear
Two gear driven gears（9）, with three gear driving gears be meshed three gear driven gears（11）Mutually nibbled with a gear driving gear
The gear driven gear closed（14）, the three gears driven gear（11）With a gear driven gear（14）Between to be provided with one or three gears synchronous
Device（13）, the two gears driven gear（9）With the first driving gear（22）Between be provided with two or four gear synchronizers（8）, described 1
Keep off synchronizer（13）With two or four gear synchronizers（8）Installed in output shaft（16）On can slide axially.
2. parallel Dual-motors Driving transmission assembly according to claim 1, it is characterised in that：The input shaft（6）
With the first driving gear（22）Using gear shaft.
3. parallel Dual-motors Driving transmission assembly according to claim 1, it is characterised in that：The hollow shaft（4）
With the second driving gear（12）Using gear shaft.
4. parallel Dual-motors Driving transmission assembly according to claim 1, it is characterised in that：The jackshaft（16）
Both ends pass through fourth bearing respectively（17）Installation is in the housing.
5. parallel Dual-motors Driving transmission assembly according to claim 1, it is characterised in that：The hollow shaft（4）
Pass through 5th bearing（3）Installation is in the housing.
6. parallel Dual-motors Driving transmission assembly according to claim 1, it is characterised in that：The clutch shaft bearing
（5）And second bearing（7）Use without cup roller bearing.
7. parallel Dual-motors Driving transmission assembly according to claim 1, it is characterised in that：The jackshaft（26）
It is above also circumferentially fixed to have five gear driving gears, six gear driving gears, it is provided with the output shaft by needle bearing and five keeps off
Driving gear be meshed five gear driven gears, with six gear driving gears be meshed six gear driven gears, it is described five keep off it is driven
Five or six gear synchronizers are provided between gear and six gear driven gears, five or the six gear synchronizer is arranged on can be vertically on output shaft
Slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710765476.8A CN107559389A (en) | 2017-08-30 | 2017-08-30 | Parallel Dual-motors Driving transmission assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710765476.8A CN107559389A (en) | 2017-08-30 | 2017-08-30 | Parallel Dual-motors Driving transmission assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107559389A true CN107559389A (en) | 2018-01-09 |
Family
ID=60978482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710765476.8A Pending CN107559389A (en) | 2017-08-30 | 2017-08-30 | Parallel Dual-motors Driving transmission assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107559389A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524223A (en) * | 2020-12-09 | 2021-03-19 | 江苏新能源汽车研究院有限公司 | Double-gear type gear shifting hybrid power gearbox adopting synchronizer and clutch |
| CN112610661A (en) * | 2020-12-16 | 2021-04-06 | 苏州绿控传动科技股份有限公司 | Coaxial double-input double-intermediate-shaft gearbox structure |
| CN113775709A (en) * | 2021-09-08 | 2021-12-10 | 浙江盘毂动力科技有限公司 | Transmission speed change system and new energy automobile |
| CN114183506A (en) * | 2020-09-15 | 2022-03-15 | 郑州宇通客车股份有限公司 | Vehicle transmission, vehicle power system and vehicle |
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| DE102011076382A1 (en) * | 2011-05-24 | 2012-11-29 | Zf Friedrichshafen Ag | Dual-clutch gearbox for motor vehicles, has two clutches that are provided as input sides to drive shaft, and output of drive shaft is connected to one of two coaxially arranged input shafts |
| CN205498612U (en) * | 2016-03-01 | 2016-08-24 | 安徽纽恩卡自控科技有限公司 | Single motor hybrid synergy drive system |
| CN106678292A (en) * | 2017-03-17 | 2017-05-17 | 苏州绿控传动科技有限公司 | Double-motor driving system |
| CN106763552A (en) * | 2017-03-17 | 2017-05-31 | 苏州绿控传动科技有限公司 | A kind of double-motor driving structure |
| CN207364195U (en) * | 2017-08-30 | 2018-05-15 | 綦江齿轮传动有限公司 | A kind of parallel Dual-motors Driving transmission assembly |
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2017
- 2017-08-30 CN CN201710765476.8A patent/CN107559389A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011076382A1 (en) * | 2011-05-24 | 2012-11-29 | Zf Friedrichshafen Ag | Dual-clutch gearbox for motor vehicles, has two clutches that are provided as input sides to drive shaft, and output of drive shaft is connected to one of two coaxially arranged input shafts |
| CN205498612U (en) * | 2016-03-01 | 2016-08-24 | 安徽纽恩卡自控科技有限公司 | Single motor hybrid synergy drive system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183506A (en) * | 2020-09-15 | 2022-03-15 | 郑州宇通客车股份有限公司 | Vehicle transmission, vehicle power system and vehicle |
| CN114183506B (en) * | 2020-09-15 | 2023-05-09 | 宇通客车股份有限公司 | Transmission for vehicle, power system for vehicle and vehicle |
| CN112524223A (en) * | 2020-12-09 | 2021-03-19 | 江苏新能源汽车研究院有限公司 | Double-gear type gear shifting hybrid power gearbox adopting synchronizer and clutch |
| CN112610661A (en) * | 2020-12-16 | 2021-04-06 | 苏州绿控传动科技股份有限公司 | Coaxial double-input double-intermediate-shaft gearbox structure |
| CN113775709A (en) * | 2021-09-08 | 2021-12-10 | 浙江盘毂动力科技有限公司 | Transmission speed change system and new energy automobile |
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Application publication date: 20180109 |