CN106740076A - A kind of power assembly and electric automobile - Google Patents
A kind of power assembly and electric automobile Download PDFInfo
- Publication number
- CN106740076A CN106740076A CN201710025531.XA CN201710025531A CN106740076A CN 106740076 A CN106740076 A CN 106740076A CN 201710025531 A CN201710025531 A CN 201710025531A CN 106740076 A CN106740076 A CN 106740076A
- Authority
- CN
- China
- Prior art keywords
- power assembly
- bearing
- housing
- motor
- decelerator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention provides a kind of power assembly and electric automobile.Power assembly includes：Housing；And be arranged in the housing：Motor stator and armature spindle, decelerator end and motor side are respectively along the two ends of armature spindle axial direction；Input gear, is sheathed on the outer surface at decelerator end；Transmission group, engages with input gear；Differential assembly, engages with transmission group；Output flange, is connected with differential assembly.Power assembly in the embodiment of the present invention, eliminates the transition connecting structure of motor and decelerator, has saved assembly design space, and power assembly is carried out into modularized design, is conducive to hardware and software platform forward engine room to arrange.And the power assembly eliminates motor and reducer shell transition connecting structure, inside and outside spline connection structure, the link of noise generation is reduced, be conducive to lifting vehicle NVH performances.Simplify inside and outside spline fitted, the use of internal bearings quantity simultaneously, improve system effectiveness, improve vehicle dynamic property and economic performance.
Description
Technical field
The present invention relates to electric automobile manufacture field, more particularly to a kind of power assembly and electric automobile.
Background technology
Along with scientific and technological progress with rapid changepl. never-ending changes and improvements, people have become to the pursuit of quality of life also more and more higher, automobile
The essential vehicles of people's go off daily, people are to the requirement of the comfortableness of automobile, security, economy and the feature of environmental protection
It is more and more fastidious.
Electric automobile has led automobile future thrust as the leading force of new-energy automobile, electric automobile by
It is progressive enter the daily life of people.
To meet pure electric vehicle to performance requirements such as lightweight structure, vehicle comfortableness, NVH, electric drive assembly is integrated
Change structure design demand more and more higher.
In the prior art, transition connecting structure is used between motor and decelerator, it is necessary to certain design and forward engine room cloth
Between being empty.
Further, since motor and reducer shell use transition connecting structure, inside and outside spline connection structure, virtually increase
The link that noise is produced, is unfavorable for lifting vehicle NVH performances, system effectiveness, vehicle dynamic property and economic performance.
The content of the invention
In order to overcome in the prior art between motor and decelerator using transition connecting structure, it is unfavorable for lifting vehicle NVH
The technical problem of performance, system effectiveness, vehicle dynamic property and economic performance, the invention provides a kind of power assembly and electronic vapour
Car.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：
The invention provides a kind of power assembly, including：
Housing；And be arranged in the housing：
Motor stator and armature spindle, decelerator end and motor side are respectively along the two ends of armature spindle axial direction；
Input gear, is sheathed on the outer surface at the decelerator end；
Transmission group, engages with the input gear；
Differential assembly, engages with the transmission group；
Output flange, is connected with the differential assembly.
Furthermore, it is understood that in described power assembly, the transmission group includes：
One-level driven gear；
Jackshaft, the tooth set on the jackshaft outer surface is engaged with the one-level driven gear；
Two grades of passive fluted discs, with the jackshaft outer surface set tooth engage, described two grades passive fluted discs and with institute
State differential assembly engagement.
Furthermore, it is understood that in described power assembly, the outer surface at the decelerator end is arranged with one group of clutch shaft bearing, institute
The outer surface for stating motor side is arranged with second bearing.
Furthermore, it is understood that in described power assembly, the two ends of the differential assembly by differential support bearing with
The housing is fixed, and the differential support bearing is deep groove ball bearing.
Furthermore, it is understood that in described power assembly, decelerator is provided with the housing at the decelerator end
End cap, electric motor end cap is provided with the housing of the motor side.
Furthermore, it is understood that in described power assembly, the two ends of the jackshaft are respectively arranged with midship shaft bearing.
Furthermore, it is understood that in described power assembly, the outer surface of the output flange is provided with collar.
Furthermore, it is understood that in described power assembly, two clutch shaft bearings are respectively arranged at the input gear edge
The both sides of axial direction, wherein clutch shaft bearing described in the one of the close second bearing is fixed by bearing gland.
Furthermore, it is understood that in described power assembly, the clutch shaft bearing is open oil lubrication ball bearing, described second
Bearing is closed grease lubrication ball bearing.
Present invention also offers a kind of electric automobile, including above-mentioned power assembly.
The beneficial effects of the invention are as follows：Power assembly in the embodiment of the present invention, eliminates the transition of motor and decelerator
Attachment structure, has saved assembly design space, and power assembly is carried out into modularized design, is conducive to hardware and software platform forward engine room to arrange.
And the power assembly eliminates motor and reducer shell transition connecting structure, inside and outside spline connection structure, noise product is reduced
Raw link, is conducive to lifting vehicle NVH performances.Simplify inside and outside spline fitted, the use of internal bearings quantity simultaneously, improve
System effectiveness, improves vehicle dynamic property and economic performance.
Brief description of the drawings
Fig. 1 represents the structural representation of power assembly in the embodiment of the present invention.
Specific embodiment
It is right below in conjunction with the accompanying drawings and the specific embodiments to make the object, technical solutions and advantages of the present invention clearer
The present invention is described in detail.
Shown in reference picture 1, the invention provides a kind of power assembly, including：Housing 1；And be arranged in housing 1：
Motor stator 5, armature spindle 4, transmission group, differential assembly 10 and output flange 11.It is respectively along the two ends of the axial direction of armature spindle 4 and is subtracted
Fast device end 41 and motor side 42；Input gear 6 is sheathed on the outer surface at decelerator end 41；Transmission group, engages with input gear 6；
Differential assembly 10 is engaged with transmission group；Output flange 11 is connected with differential assembly 10.
Specifically, in the structure of the power assembly of the embodiment of the present invention, using the housing 1 of integration, by motor part
It is integrated into housing 1 with retarder parts, realizes the modularization of power assembly.Wherein the housing of electrode part is accommodated and drives electricity
The related part of machine, the part that decelerator correlation can be accommodated of retarder parts.The armature spindle 4 and motor of composition motor part
After stator 5 is matched, the decelerator end 41 of armature spindle 4 is installed additional input gear 6.Input gear 6 can be by by transmission group
The output torque of armature spindle 4 is transferred to differential assembly 10, is then exported by output flange 11.The integrated power
Assembly eliminates the attachment structure of motor and decelerator, and motor and reducer shell are merged into a housing 1；And take
The spline connection structure disappeared between motor and decelerator, using armature spindle 4 simultaneously as the input shaft of retarder parts.Should
Space has been saved in the design of power assembly, is conducive to hardware and software platform forward engine room to arrange.And the link of noise generation is reduced, favorably
In lifting vehicle NVH performances, system effectiveness is improved, lift vehicle dynamic property and economic performance.
Furthermore, it is understood that introducing the setting form of the upper end cover of housing 1 by following embodiments.
Specifically, in the present embodiment, housing 1 is designed integrated, be conducive to whole power assembly modularization and
The saving of arrangement space.Assemble for convenience and repair, decelerator end cap 3 is provided with the housing 1 at decelerator end 41, lean on
Electric motor end cap 2 is provided with the housing 1 of nearly motor side 42.Can subtracting to housing 1 by decelerator end cap 3 and electric motor end cap 2
Fast device part and electrode part are dismounted respectively, increased the practicality of whole power assembly.
Furthermore, it is understood that introducing the installation form of armature spindle 4 by following embodiments.
In the present embodiment, armature spindle 4 both as motor part output shaft, while as the input of retarder parts
Axle.The input gear 6 of retarder parts is assembled using hot jacket interference press-fit approach with armature spindle 4, it is ensured that the two it
Between firmness degree.
Because the two ends of armature spindle 4 are respectively decelerator end 41 and motor side 42, so needing to prop up two ends respectively
Support is fixed.Then armature spindle 4 is fixed and supported using clutch shaft bearing 13 and second bearing 12.Wherein, decelerator end 41 is outer
Surface is arranged with one group of clutch shaft bearing 13, and the outer surface of motor side 42 is arranged with second bearing 12.
Specifically, two clutch shaft bearings 13 are arranged on the decelerator end 41 of armature spindle 4, and a second bearing 12 is arranged on
The motor side 42 of armature spindle 4.Two clutch shaft bearings 13 are respectively arranged at the both sides vertically of input gear 6, two clutch shaft bearings
13 can provide the decelerator end 41 of armature spindle 4 support well so that the input gear 6 at decelerator end 41 can be smoothly
The moment of torsion of output rotor axle 4 so that the operating mode of armature spindle 4 is more stablized.
In addition, fixed by bearing gland 17 near a clutch shaft bearing 13 of second bearing 12, bearing gland 17 is by one
Individual second bearing 12 is resisted against on housing 1 and is fixed, in can be to ensure the stability maintenance in the axial direction of armature spindle 4.
In order to ensure the lubrication of clutch shaft bearing 13 and second bearing 12, two clutch shaft bearings 13 are set to open glossy
Sliding ball bearing, second bearing 12 is set to closed grease lubrication ball bearing.Because there is no lubricating oil, second in partial housing 1
The lubrication of bearing 12 can only be by lubricating grease, so second bearing 12 is closed grease lubrication ball bearing.The shell of retarder parts
There is lubricating oil in body 1, so clutch shaft bearing 13 is open oil lubrication ball bearing.
Furthermore, it is understood that introducing the setting form of transmission group by following embodiments.
In the embodiment of the present invention, in order to the moment of torsion that armature spindle 4 is exported is transferred into differential assembly 10, it is necessary in armature spindle
Input gear 6 is set on 4, and realizes the transmission of moment of torsion with the combination of input gear 6 by transmission group.Specifically, transmission group
Including the part for cascading：The passive fluted disc 9 of one-level driven gear 7, jackshaft 8 and two grades.Wherein, set on the outer surface of jackshaft 8
Tooth engaged with one-level driven gear 7；Two grades of passive fluted discs 9 are engaged with the tooth set on the outer surface of jackshaft 8, two grades of passive tooths
Disk 9 is simultaneously engaged with differential assembly 10.
Furthermore, it is understood that in the present embodiment, by the two ends of differential assembly 10 by differential support bearing 16 and housing 1
It is fixed, and differential support bearing 16 is set to deep groove ball bearing.Differential support bearing 16 uses deep groove ball bearing conduct
Support, it is possible to reduce the friction loss of differential assembly 10, lifting system efficiency.
In addition, the two ends of jackshaft 8 are respectively arranged with midship shaft bearing.The outer surface of jackshaft 8 is provided with jackshaft tooth,
Jackshaft 8 plays engagement linkage as connection one-level driven gear 7 and two grades of parts of passive fluted disc 9 by jackshaft tooth
Effect.Meanwhile, in order to prevent the friction loss of jackshaft 8, during midship shaft bearing 14 and midship shaft bearing 15 are separately positioned on
The two ends of countershaft 8, while noise can be reduced with the transmission efficiency of lifting system.
Furthermore, it is understood that introducing the setting form of output flange 11 by following embodiments.
Wherein, output flange 11 is exported the moment of torsion of armature spindle 4 by differential mechanism.
In order to ensure the fixation of output flange 11, the outer surface of output flange 11 is provided with collar 19, and it is right that collar 19 is realized
The axially position of output flange 11, and the positioning method is simple and reliable, is conducive to the control of whole power assembly cost.
A kind of electric automobile, including above-mentioned power assembly are additionally provided in embodiments of the invention.
It should be noted that the electric automobile is the electric automobile for including above-mentioned electric automobile, above-mentioned electric automobile is implemented
The implementation of example is equally applicable in the embodiment of the electric automobile, can also reach identical technique effect, is no longer gone to live in the household of one's in-laws on getting married herein
State.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.
In the description of the invention, it is to be understood that term " longitudinal direction ", " radial direction ", " length ", " width ", " thickness ",
" on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", the orientation of instruction such as " outward " or
Position relationship is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description, without
Be indicate or imply meaning device or element must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that to be limitation of the present invention.In the description of the invention, unless otherwise indicated, " multiple " is meant that two or two
More than.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person for the art comes
Say, some improvements and modifications can also be made under the premise of principle of the present invention is not departed from, and these improvements and modifications also exist
In protection scope of the present invention.
Claims (10)
1. a kind of power assembly, it is characterised in that including：
Housing (1)；And be arranged in the housing (1)：
Motor stator (5) and armature spindle (4), decelerator end (41) and motor are respectively along the two ends of the armature spindle (4) axial direction
End (42)；
Input gear (6), is sheathed on the outer surface of the decelerator end (41)；
Transmission group, engages with the input gear (6)；
Differential assembly (10), engages with the transmission group；
Output flange (11), is connected with the differential assembly (10).
2. power assembly according to claim 1, it is characterised in that the transmission group includes：
One-level driven gear (7)；
Jackshaft (8), the tooth set on jackshaft (8) outer surface is engaged with the one-level driven gear (7)；
Two grades of passive fluted discs (9), with the jackshaft (8) outer surface set tooth engage, described two grades passive fluted discs (9) and
Engaged with the differential assembly (10).
3. power assembly according to claim 1, it is characterised in that the outer surface of the decelerator end (41) is arranged with
Group clutch shaft bearing (13), the outer surface of the motor side (42) is arranged with second bearing (12).
4. power assembly according to claim 1, it is characterised in that the two ends of the differential assembly (10) pass through differential
Device spring bearing (16) is fixed with the housing (1), and the differential support bearing (16) is deep groove ball bearing.
5. power assembly according to claim 1, it is characterised in that near the housing of the decelerator end (41)
(1) decelerator end cap (3) is provided with, electric motor end cap (2) is provided with the housing (1) of the motor side (42).
6. power assembly according to claim 2, it is characterised in that during the two ends of the jackshaft (8) are respectively arranged with
Between axle bearing.
7. power assembly according to claim 1, it is characterised in that the outer surface of the output flange (11) is provided with card
Circle (19).
8. power assembly according to claim 3, it is characterised in that two clutch shaft bearings (13) are respectively arranged at institute
Input gear (6) both sides vertically are stated, wherein clutch shaft bearing (13) is by axle described in the one of the close second bearing (12)
Pressure cap (17) is fixed.
9. power assembly according to claim 8, it is characterised in that the clutch shaft bearing (13) is open oil lubrication ball
Bearing, the second bearing (12) is closed grease lubrication ball bearing.
10. a kind of electric automobile, it is characterised in that including power assembly as claimed in any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710025531.XA CN106740076A (en) | 2017-01-13 | 2017-01-13 | A kind of power assembly and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710025531.XA CN106740076A (en) | 2017-01-13 | 2017-01-13 | A kind of power assembly and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106740076A true CN106740076A (en) | 2017-05-31 |
Family
ID=58946500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710025531.XA Pending CN106740076A (en) | 2017-01-13 | 2017-01-13 | A kind of power assembly and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106740076A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437787A (en) * | 2018-05-19 | 2018-08-24 | 浙江鑫可精密机械有限公司 | A kind of New-energy electric vehicle rear-guard direct connection retarder |
| CN108638851A (en) * | 2018-06-26 | 2018-10-12 | 南京恒天领锐汽车有限公司 | A kind of novel pure electric four-wheel drive car dynamical system assembly |
| 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 |
| CN109973590A (en) * | 2019-03-15 | 2019-07-05 | 浙江方正电机股份有限公司 | A kind of integrated form driving electric bridge |
| CN112193044A (en) * | 2020-09-30 | 2021-01-08 | 西门子电动汽车动力总成系统(上海)有限公司 | Electric drive assembly system and vehicle |
| CN112498077A (en) * | 2020-09-30 | 2021-03-16 | 西门子电动汽车动力总成系统(上海)有限公司 | Electric drive assembly system and vehicle |
| CN112895890A (en) * | 2019-12-03 | 2021-06-04 | 北京新能源汽车股份有限公司 | Power assembly and electric vehicle with same |
| CN114368268A (en) * | 2021-08-24 | 2022-04-19 | 华为数字能源技术有限公司 | Power assembly, noise suppression method and electric automobile |
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| US3732943A (en) * | 1970-02-24 | 1973-05-15 | Panhard & Levassor | Automobile vehicles driven by a rotary piston engine |
| CN102582426A (en) * | 2012-03-30 | 2012-07-18 | 长城汽车股份有限公司 | Four-wheel driving power assembly of electric car |
| CN102653231A (en) * | 2012-05-16 | 2012-09-05 | 大连金华齿轮箱制造有限公司 | Power assembly for electric passenger car |
| CN103072476A (en) * | 2013-02-08 | 2013-05-01 | 重庆动霸机械制造有限公司 | Rear axle electrodynamic force drive device of electric vehicle |
| CN203348504U (en) * | 2013-06-14 | 2013-12-18 | 比亚迪股份有限公司 | Reducer end cover and reducer comprising reducer end cover |
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| US3732943A (en) * | 1970-02-24 | 1973-05-15 | Panhard & Levassor | Automobile vehicles driven by a rotary piston engine |
| CN102582426A (en) * | 2012-03-30 | 2012-07-18 | 长城汽车股份有限公司 | Four-wheel driving power assembly of electric car |
| CN102653231A (en) * | 2012-05-16 | 2012-09-05 | 大连金华齿轮箱制造有限公司 | Power assembly for electric passenger car |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437787A (en) * | 2018-05-19 | 2018-08-24 | 浙江鑫可精密机械有限公司 | A kind of New-energy electric vehicle rear-guard direct connection retarder |
| CN108437787B (en) * | 2018-05-19 | 2023-09-15 | 浙江鑫可传动科技有限公司 | New energy electric automobile rear-drive direct-connection speed reducer |
| CN108638851A (en) * | 2018-06-26 | 2018-10-12 | 南京恒天领锐汽车有限公司 | A kind of novel pure electric four-wheel drive car dynamical system assembly |
| 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 |
| CN109973590A (en) * | 2019-03-15 | 2019-07-05 | 浙江方正电机股份有限公司 | A kind of integrated form driving electric bridge |
| CN112895890A (en) * | 2019-12-03 | 2021-06-04 | 北京新能源汽车股份有限公司 | Power assembly and electric vehicle with same |
| CN112193044A (en) * | 2020-09-30 | 2021-01-08 | 西门子电动汽车动力总成系统(上海)有限公司 | Electric drive assembly system and vehicle |
| CN112498077A (en) * | 2020-09-30 | 2021-03-16 | 西门子电动汽车动力总成系统(上海)有限公司 | Electric drive assembly system and vehicle |
| WO2022068822A1 (en) * | 2020-09-30 | 2022-04-07 | Siemens Automotive Epowertrain Systems (Shanghai) Co., Ltd. | Electric drive assembly system and vehicle |
| CN114368268A (en) * | 2021-08-24 | 2022-04-19 | 华为数字能源技术有限公司 | Power assembly, noise suppression method and electric automobile |
| CN114368268B (en) * | 2021-08-24 | 2023-11-03 | 华为数字能源技术有限公司 | Power assembly, noise suppression method and electric automobile |
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