CN103795183B - Power assembly system - Google Patents
Power assembly system Download PDFInfo
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- CN103795183B CN103795183B CN201410081624.0A CN201410081624A CN103795183B CN 103795183 B CN103795183 B CN 103795183B CN 201410081624 A CN201410081624 A CN 201410081624A CN 103795183 B CN103795183 B CN 103795183B
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- power assembly
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Abstract
The present invention relates to power installation for automobile field, in particular to power assembly system.This power assembly system includes electric machine casing and case of transmission；Electric machine casing and case of transmission are integrated into an entirety.And in this power assembly system, it is integrated with motor, variator, differential mechanism, odograph gear group and halting mechanism.On the one hand the space in this power assembly system of Appropriate application, more compact structure, integrated level is high, on the other hand decreases the part of power assembly system, improves power transmission efficiency.The power assembly system of the present embodiment not only solves that the axiality in existing powertrain system of automobile is inconsistent, noise is big, the life-span is low, the problem of poor reliability, but also there is the revolutionary structure changing power assembly system, greatly reduce the number of parts of power assembly system, decrease overall weight and the space, the beneficially layout design of car load dynamical system of automobile.
Description
Technical field
The present invention relates to power installation for automobile field, in particular to power assembly system
System.
Background technology
At present in electric passenger vehicle and the research and development of hybrid electric vehicle and producing, automobile power is total
One-tenth system is typically by driving two independent parts of motor and variator to assemble.Specifically,
As it is shown in figure 1, drive motor to include electric machine casing 301, motor front end cover 302 and motor
Rear end cap；Variator includes variator left shell 402 and variator right shell body 401.Assemble
When driving motor and variator, seam that motor front end cover 302 is provided with or locating pin structure
Assembling with variator right shell body 401, i.e. motor front end cover 302 is by alignment pin 304 and change
Speed device right shell body 401 positions, and is fastened by bolt 303, motor front end cover simultaneously the most again
302 are provided with and the positioning spigot structure of electric machine casing 301 assembling.
This powertrain system of automobile, in operation process, drives the output shaft of motor to turn
Power is transferred to the power shaft of variator, now drives output shaft and the variator of motor
The axiality of power shaft requires height.Owing to driving between motor and variator by motor front end
Cover the seam being provided with or locating pin structure to assemble with variator right shell body, and motor front end cover
Assembled with electric machine casing by positioning spigot structure, position and increase with coordinating link, this many
Secondary location causes assembly accumulation error big with coordinating, and makes output shaft and the variator of driving motor
Power shaft axiality be difficult to ensure, vibrations when causing powertrain system of automobile to operate are made an uproar
Sound increases, and reduces the life and reliability of powertrain system of automobile.
Summary of the invention
It is an object of the invention to provide power assembly system, to solve above-mentioned problem.
Provide a kind of power assembly system in an embodiment of the present invention, including electric machine casing
And case of transmission；Electric machine casing and case of transmission are integrated into an entirety.
Further, this power assembly system also includes electric motor end cap and variator end cap；Motor
End cap coordinates with electric machine casing；Variator end cap coordinates with case of transmission.
Further, this power assembly system also includes stator module and rotor；Stator module is solid
It is scheduled in electric machine casing；Cooling passage it is provided with in electric machine casing；Rotor is positioned at stator pack
In part, and one end of rotor is coordinated with electric machine casing by bearing, the other end pass through bearing and
Electric motor end cap coordinates.
Further, this power assembly system also includes one-stage gear group and secondary gear wheels；One
Level gear train includes one-level driving gear, one-level driven gear and one-level rotating shaft；One-level is actively
Gear is fixed in one-level rotating shaft, and one-level rotating shaft and rotor coaxial and be rotationally connected；Two grades
Gear train includes two grades of driving gears, two grades of driven gears, jackshaft and two grades of rotating shafts；Two
Level driving gear and one-level driven gear are each attached on jackshaft, one-level driven gear and one
Level driving gear engagement；Two grades of driven gears are fixed in two grades of rotating shafts, and two grades of passive tooth
Wheel engages with two grades of driving gears；One end of one-level rotating shaft, jackshaft and two grades of rotating shafts is respectively
Being coordinated with case of transmission by bearing, the other end is joined with variator end cap by bearing respectively
Close.
Further, this power assembly system also includes differential mechanism；The differential casing of differential mechanism
It is fixed on two grades of driven gears.
Further, this power assembly system also includes odograph gear group；Odograph gear group
Including intermeshing driving gear speedometer and mileometer driven gear；Mileometer driving tooth
Take turns be connected fixing with differential casing.
Further, this power assembly system also includes halting mechanism；Halting mechanism includes ratchet；
Ratchet is fixed in one-level rotating shaft.
Preferably, motor installation cavity it is provided with in electric machine casing；Stator module and rotor are positioned at
In motor installation cavity；It is provided with one-level speed change cavity, two stage speed change chamber in transmission case body and stays
Mechanism of car installation cavity；One-stage gear group is positioned at one-level speed change cavity；Secondary gear wheels, differential
Device and odograph gear group are positioned at two stage speed change intracavity；Halting mechanism is positioned at halting mechanism and installs
Intracavity.
The power assembly system that the embodiment of the present invention provides, compared with prior art, its electricity
Casing body and case of transmission are integrated into an entirety, will existing electric machine casing,
Motor front end cover and variator right shell body become one, and decrease motor and variator
Between connect transitional part, be directly processed and formed at one time, simplify motor and change
Speed device between assembling positioning relation, it is to avoid this power assembly system in operation process,
The axiality location of the output shaft of motor and the power shaft of variator etc. are former to be thus resulted in by mistake
Difference increases, and solves the concentricity that motor assembly connection direct with variator cause and differs
The vibration noise causing to bring is big, life-span, the low problem of reliability, makes the dynamic of the present embodiment
The vibrations noise of power assembly system is little, service life length, reliability high.
Accompanying drawing explanation
Fig. 1 shows the structural representation of the powertrain system of automobile of background of invention
Figure；
Fig. 2 shows the structural representation of the power assembly system of the embodiment of the present invention.
Detailed description of the invention
Below by specific embodiment and combine accompanying drawing and the present invention is done further in detail
Describe.
It is illustrated in figure 2 a kind of power assembly system that the present embodiment provides, including motor casing
Body 102 and case of transmission 201；Electric machine casing 102 is integrated into case of transmission 201
One entirety.
The power assembly system that the embodiment of the present invention provides, compared with prior art, its electricity
Casing body 102 and case of transmission 201 are integrated into an entirety, will existing electricity
Casing body, motor front end cover and variator right shell body become one, and decrease motor
The transitional part being connected with between variator, is directly processed and formed at one time, simplifies
The positioning relation of assembling between motor and variator, it is to avoid this power assembly system is in fortune
During Zhuaning, the output shaft of motor is former with the axiality location of the power shaft of variator etc.
Thus result in error to increase, solve what motor assembly connection direct with variator caused
The inconsistent vibration noise brought of concentricity is big, life-span, the low problem of reliability, makes this
The vibrations noise of the power assembly system of embodiment is little, service life length, reliability high.
Further, this power assembly system also includes electric motor end cap 108 and variator end cap
211；Electric motor end cap 108 coordinates with electric machine casing 102；Variator end cap 211 and variator
Housing 201 coordinates.The electric machine casing i.e. become one fits together with electric motor end cap,
The case of transmission become one fits together with variator end cap.
For the structure of motor internal, further, this power assembly system also includes stator pack
Part 103 and rotor 107；Stator module 103 is fixed in electric machine casing 102；Motor casing
Cooling passage 1021 it is provided with in body 102；Rotor 107 is positioned at stator module 103,
And one end of rotor 107 is coordinated with electric machine casing 102 by bearing, the other end passes through bearing
Coordinate with electric motor end cap 108.Specifically, when assembling the motor of this power assembly system,
First stator module is fixed in electric machine casing, again that one end of rotor is the most fixed by bearing
Position is on electric machine casing, then a bearing is fixed on the other end of rotor, finally by motor
End cap coordinates with electric machine casing, makes the bearing being positioned on rotor coordinate with electric motor end cap.It addition,
Rotor 107 is further fixed on rotation and becomes rotor 105, and be fixed with on electric motor end cap 108
Rotation set 106.
For the concrete structure of variator, further, this power assembly system also includes one-level
Gear train and secondary gear wheels；One-stage gear group includes one-level driving gear 203, one-level quilt
Moving gear 205 and one-level rotating shaft；One-level driving gear 203 is fixed in one-level rotating shaft, and
One-level rotating shaft is coaxial with rotor 107 and is rotationally connected；Secondary gear wheels include two grades of driving tooths
Take turns 204, two grades of driven gears 206, jackshaft and two grades of rotating shafts；Two grades of driving gears 204
It is each attached on jackshaft with one-level driven gear 205, one-level driven gear 205 and one-level
Driving gear 203 engages；Two grades of driven gears 206 are fixed in two grades of rotating shafts, and two grades
Driven gear 206 engages with two grades of driving gears 204；One-level rotating shaft, jackshaft and two grades
One end of rotating shaft is coordinated with case of transmission 201 by bearing respectively, and the other end passes through respectively
Bearing coordinates with variator end cap 211.
Specifically, the rotor 107 of motor is coaxial with one-level rotating shaft, and by spline 109 even
Connect, to guarantee the transmission of moment of torsion between rotor 107 and one-level rotating shaft.And one-level rotating shaft turn
Dynamic drive one-level driving gear rotates, and one-level driving gear engages with one-level driven gear, from
And drive jackshaft to rotate, jackshaft is fixed with two grades of driving gears and one-level driven gear,
Then two grades of driving gears will drive two grades of driven gears to rotate, thus drive two grades of axis of rotation.
Gear ratio between one-stage gear group and secondary gear wheels can need to adjust according to speed change
Whole.
Further, this power assembly system also includes differential mechanism 208；The difference of differential mechanism 208
Speed device housing 2081 is fixed on two grades of driven gears 206.Specifically, two grades of driven gears
206 drive differential casing 2081 to rotate, and decrease and join between differential mechanism 208 and decelerator
Conjunction relation, makes the power transmission between decelerator and differential mechanism more stable.
Further, this power assembly system also includes odograph gear group；Odograph gear group
Including intermeshing driving gear speedometer 207 and mileometer driven gear 209；Mileage
Table driving gear 207 is fixing with differential casing 2081 to be connected.By integrated for odograph gear group
In this power assembly system, the on the one hand space in this power assembly system of Appropriate application,
More compact structure, integrated level is high, on the other hand decreases the part of power assembly system, carries
High power transmission efficiency；It should be noted that automotive engineering is the most advanced at present,
Any one part in automobile is deleted, the adjustment of position and the adjustment of matching relationship,
All will change the overall performance of automobile greatly.The power assembly system of the present embodiment not only solves
Determined that the axiality in existing powertrain system of automobile is inconsistent, noise is big, the life-span is low,
The problem of poor reliability, but also there is the revolutionary structure changing power assembly system,
Greatly reduce the number of parts of power assembly system, decrease the overall weight of automobile
And space, the beneficially layout design of car load dynamical system.
Further, this power assembly system also includes halting mechanism 210；Halting mechanism 210
Including ratchet 202；Ratchet 202 is fixed in one-level rotating shaft.Identical with aforementioned embodiments
, halting mechanism 210 is integrated in this power assembly system, reduce further whole
The space of car, integrated level is higher, and parking is safer stable.
The layout of the concrete structure after electric machine casing and case of transmission are become one,
Preferably, motor installation cavity it is provided with in electric machine casing；Stator module and rotor are positioned at motor
In installation cavity；One-level speed change cavity, two stage speed change chamber and parking machine it is provided with in transmission case body
Structure installation cavity；One-stage gear group is positioned at one-level speed change cavity；Secondary gear wheels, differential mechanism and
Odograph gear group is positioned at two stage speed change intracavity；Halting mechanism is positioned at halting mechanism installation cavity.
Owing to being integrated with motor, variator, differential mechanism, odograph gear in this power assembly system
Group and halting mechanism, so many parts are arranged in this power assembly system, if not having
There is excellent topology layout, the bloatedness of power assembly system will be caused, reduce power total
The stability of one-tenth system, and the power assembly system of the present embodiment is by rational space layout,
Greatly reducing the volume of power assembly system so that it is more compact structure, integrated level is high, carries
The high transmission efficiency of power assembly system, stability is more preferable, and safety is more preferable.
These are only the preferred embodiments of the present invention, be not limited to the present invention, right
For those skilled in the art, the present invention can have various modifications and variations.All at this
Within the spirit of invention and principle, any modification, equivalent substitution and improvement etc. made, all
Within protection scope of the present invention should being included in.
Claims (3)
1. a power assembly system, it is characterised in that include electric machine casing and variator
Housing；
Described electric machine casing and described case of transmission are integrated into an entirety；
Also include electric motor end cap and variator end cap；Described electric motor end cap and described electric machine casing
Coordinate；Described variator end cap coordinates with described case of transmission；
Also include stator module and rotor；Described stator module is fixed in described electric machine casing；
It is provided with cooling passage in described electric machine casing；
Described rotor is positioned at described stator module, and one end of described rotor by bearing with
Described electric machine casing coordinates, and the other end is coordinated with described electric motor end cap by bearing；Also include
One-stage gear group and secondary gear wheels；
Described one-stage gear group includes one-level driving gear, one-level driven gear and one-level rotating shaft；
Described one-level driving gear is fixed in described one-level rotating shaft, and described one-level rotating shaft is with described
Rotor coaxial and being rotationally connected；
Described secondary gear wheels include two grades of driving gears, two grades of driven gears, jackshaft and
Two grades of rotating shafts；Described two grades of driving gears and described one-level driven gear be each attached to described in
On countershaft, described one-level driven gear engages with described one-level driving gear；
Described two grades of driven gears are fixed in described two grades of rotating shafts, and described two grades of passive tooth
Wheel engages with described two grades of driving gears；
Bearing is passed through respectively with described in one end of described one-level rotating shaft, jackshaft and two grades of rotating shafts
Case of transmission coordinates, and the other end is coordinated with described variator end cap by bearing respectively；
Also include differential mechanism；The differential casing of described differential mechanism be fixed on described two grades passive
On gear, described two grades of driven gears drive the differential casing of described differential mechanism to rotate；
Also include odograph gear group；
Described odograph gear group includes intermeshing driving gear speedometer and mileometer quilt
Moving gear；Described driving gear speedometer is fixing with described differential casing to be connected.
Power assembly system the most according to claim 1, it is characterised in that also wrap
Include halting mechanism；
Described halting mechanism includes ratchet；Described ratchet is fixed in described one-level rotating shaft.
Power assembly system the most according to claim 2, it is characterised in that described
Motor installation cavity it is provided with in electric machine casing；Described stator module and rotor are positioned at described motor
In installation cavity；
One-level speed change cavity, two stage speed change chamber and halting mechanism it is provided with in described transmission case body
Installation cavity；Described one-stage gear group is positioned at described one-level speed change cavity；Described secondary gear,
Differential mechanism and odograph gear group are positioned at described two stage speed change intracavity；Described halting mechanism is positioned at
In described halting mechanism installation cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410081624.0A CN103795183B (en) | 2014-03-06 | 2014-03-06 | Power assembly system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410081624.0A CN103795183B (en) | 2014-03-06 | 2014-03-06 | Power assembly system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103795183A CN103795183A (en) | 2014-05-14 |
| CN103795183B true CN103795183B (en) | 2016-08-17 |
Family
ID=50670605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410081624.0A Expired - Fee Related CN103795183B (en) | 2014-03-06 | 2014-03-06 | Power assembly system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103795183B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019154154A1 (en) * | 2018-02-12 | 2019-08-15 | 比亚迪股份有限公司 | Power assembly and vehicle provided with same |
| US11843304B2 (en) | 2018-02-12 | 2023-12-12 | Byd Company Limited | Electric assembly and vehicle having the same |
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| CN104377881A (en) * | 2014-11-14 | 2015-02-25 | 中国第一汽车股份有限公司 | Integrated driving device for new energy vehicle |
| CN105827060A (en) * | 2015-01-08 | 2016-08-03 | 大陆汽车投资（上海）有限公司 | Integrated power driving system |
| CN104702045A (en) * | 2015-03-11 | 2015-06-10 | 广东合普动力科技有限公司 | Integral motor with stable structure for electric vehicle |
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| CN108973631A (en) * | 2018-09-14 | 2018-12-11 | 株洲欧格瑞传动股份有限公司 | Electric car and its integrated dynamic assembly |
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|---|---|
| CN103795183A (en) | 2014-05-14 |
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