CN107781378A - A kind of motor differential assembly - Google Patents
A kind of motor differential assembly Download PDFInfo
- Publication number
- CN107781378A CN107781378A CN201610730876.0A CN201610730876A CN107781378A CN 107781378 A CN107781378 A CN 107781378A CN 201610730876 A CN201610730876 A CN 201610730876A CN 107781378 A CN107781378 A CN 107781378A
- Authority
- CN
- China
- Prior art keywords
- assembly
- differential
- motor
- rotor
- assemblied
- 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
Links
- 238000009434 installation Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 241000119744 Allium motor Species 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/08—Differential gearings with gears having orbital motion comprising bevel gears
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Retarders (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A kind of entitled motor differential assembly of the present invention.Belong to automotive axle and technical field of motors.It mainly solves existing motor assembly and differential assembly and has that amount of parts is more, complicated, cost is high because separate, during assembly fee, the problems such as space utilization is unreasonable.It is mainly characterized by：One word axle, planetary gear and the axle shaft gear form differential assembly, are fixed on machine shaft loaded on inside differential casing；The rotor and related components are assemblied on the outside of differential assembly, form Rotor Assembly；The coiling is assemblied in outside motor stator, forms Motor Stator Assembly；The Motor Stator Assembly is assemblied on Rotor Assembly.The present invention has that size is small, simple and compact for structure, the characteristics of improving transmission efficiency, be easy to implement reasonable utilization space, being easy to implement lightweight and be convenient for assembly, is mainly used in electric automobile.
Description
Technical field
The invention belongs to automotive axle and technical field of motors.More particularly to one kind by motor assembly and differential assembly collection
The motor differential assembly being integrally formed.
Background technology
Traditional electric automobile, motor assembly are generally two separate structures with differential assembly.Motor assembly includes
Rotor assembly, field frame assembly and related components.Differential assembly includes planetary gear, axle shaft gear, a word axle, differential mechanism
Housing.For motor assembly with differential assembly by the way of power transmission shaft or splined shaft are direct-connected, its weak point is component number
Amount is more, complicated, and cost height, during assembly fee, space utilization is unreasonable.
The content of the invention
The purpose of the present invention provides a kind of motor differential assembly aiming at above-mentioned weak point, to realize number of components
Amount is few, and size is small, compact-sized, convenient for assembly, the rational purpose of space utilization.
The present invention technical solution be：A kind of motor differential assembly, including comprising planetary gear, axle shaft gear,
One word axle, the differential assembly of differential casing, comprising rotor assembly, field frame assembly, electric machine casing motor assembly, stator is total
Rotor and related components, machine shaft are included into comprising coiling and motor stator, rotor assembly, it is characterised in that：Institute
A word axle, planetary gear and axle shaft gear are stated loaded on inside differential casing, forms differential assembly, motor is fixed on and turns
On axle；The rotor and related components are assemblied on the outside of differential assembly, form Rotor Assembly；It is described around traditional thread binding
Fit over outside motor stator, form Motor Stator Assembly；The Motor Stator Assembly is assemblied on Rotor Assembly.
Differential assembly described in the technical solution of the present invention forms rotor assembly with Rotor Assembly.
Differential assembly and motor assembly are integrated in one by the present invention, and motor work(is realized while realizing differential mechanism function
Energy.The present invention compared with prior art, eliminates traditional bindiny mechanism between motor and differential mechanism, reduces amount of parts,
Cost is reduced, improves safe operation reliability, there is small size, simple and compact for structure, raising transmission efficiency, be easy to implement
Reasonable utilization space, be easy to implement lightweight and it is convenient for assembly the characteristics of.Present invention is mainly used for electric automobile.
Brief description of the drawings
Fig. 1 is the Motor Stator Assembly sketch of the present invention.
Fig. 2 is the differential assembly sketch of the present invention.
Fig. 3 is the Rotor Assembly sketch of the present invention.
Fig. 4 is the motor differential assembly scheme of erection of the present invention.
In figure：1- motor stators, 2- coilings, the word axles of 3- mono-, 4- axle shaft gears, 5- planetary gears, 6- differential casings, 7-
Rotor, A- Motor Stator Assemblies, B- differential assemblies, C- Rotor Assemblies.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1.A kind of Motor Stator Assembly A of motor differential assembly of the present invention includes motor stator 1, coiling 2.
Coiling 2 is assemblied in the outside of motor stator 1, forms Motor Stator Assembly A.Motor Stator Assembly A is provided with three electrode connecting ends.
As shown in Figure 2.A kind of differential assembly B of motor differential assembly of the present invention includes a word axle 3, planetary gear 5
With axle shaft gear 4.One word axle 3, planetary gear 5 and axle shaft gear 4 form complete differential mechanism loaded on inside differential casing 6
Assembly B, is fixed on machine shaft, is run simultaneously with rotor 7.The difference of planetary gear 5 and conventional planetary gear
For：Mounting surface is plane, and mounting surface uses needle bearing using pad and end face needle bearing, endoporus.Axle shaft gear 4 and tradition
Axle shaft gear difference：Mounting surface uses end face needle bearing, and needle bearing is used at axle journal.
As shown in Figure 3.A kind of Rotor Assembly C of motor differential assembly of the present invention includes rotor 7 and correlation
Parts, machine shaft.Rotor 7 and related components are assemblied on the outside of differential assembly B, form Rotor Assembly C.
Related components include pad and nut.
As shown in Figure 4.Differential assembly B and Rotor Assembly C forms motor differential assembly rotor assembly.Motor is determined
Sub- assembly A is assemblied on the outside of Rotor Assembly C, and Motor Stator Assembly A forms this hair with motor differential assembly rotor assembly
Bright motor differential assembly.Motor differential assembly possesses differential function while possessing electric motors function.
Claims (2)
1. a kind of motor differential assembly, including include planetary gear（5）, axle shaft gear（4）, a word axle（3）, differential casing
（6）Differential assembly, comprising rotor assembly, field frame assembly, electric machine casing motor assembly, field frame assembly includes coiling（2）
And motor stator（1）, rotor assembly includes rotor（7）And related components, machine shaft, it is characterised in that：Described one
Word axle（3）, planetary gear（5）And axle shaft gear（4）Loaded on differential casing（6）Inside, form differential assembly（B）, installation
It is fixed on machine shaft；The rotor（7）And related components are assemblied in differential assembly（B）Outside, form motor
Rotor assembly（C）；The coiling（2）It is assemblied in motor stator（1）Outside, Motor Stator Assembly is formed（A）；The motor stator is total
Into（A）It is assemblied in Rotor Assembly（C）On.
A kind of 2. motor differential assembly according to claim 1, it is characterised in that：Described differential assembly（B）With
Rotor Assembly（C）Form motor differential assembly rotor assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610730876.0A CN107781378A (en) | 2016-08-26 | 2016-08-26 | A kind of motor differential assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610730876.0A CN107781378A (en) | 2016-08-26 | 2016-08-26 | A kind of motor differential assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107781378A true CN107781378A (en) | 2018-03-09 |
Family
ID=61439071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610730876.0A Pending CN107781378A (en) | 2016-08-26 | 2016-08-26 | A kind of motor differential assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107781378A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10882389B2 (en) | 2016-05-06 | 2021-01-05 | Allison Transmission, Inc. | Axle assembly with electric motor |
| CN112389178A (en) * | 2019-08-19 | 2021-02-23 | 比亚迪股份有限公司 | Axle assembly and vehicle |
| USD927578S1 (en) | 2018-09-27 | 2021-08-10 | Allison Transmission, Inc. | Axle assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201528246U (en) * | 2008-10-12 | 2010-07-14 | 张宪经 | Power-driven bridge |
| CN202716729U (en) * | 2012-06-21 | 2013-02-06 | 联合汽车电子有限公司 | Integrated type power driving device of motor and speed changing box for electric vehicle |
| CN103633775A (en) * | 2013-11-29 | 2014-03-12 | 华南理工大学 | Electric vehicle driving motor internally provided with differential and reducer assembly |
| CN105186770A (en) * | 2015-08-01 | 2015-12-23 | 谷伟 | Differential dual-output motor |
| CN206487847U (en) * | 2016-08-26 | 2017-09-12 | 东风德纳车桥有限公司 | A kind of motor differential assembly |
-
2016
- 2016-08-26 CN CN201610730876.0A patent/CN107781378A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201528246U (en) * | 2008-10-12 | 2010-07-14 | 张宪经 | Power-driven bridge |
| CN202716729U (en) * | 2012-06-21 | 2013-02-06 | 联合汽车电子有限公司 | Integrated type power driving device of motor and speed changing box for electric vehicle |
| CN103633775A (en) * | 2013-11-29 | 2014-03-12 | 华南理工大学 | Electric vehicle driving motor internally provided with differential and reducer assembly |
| CN105186770A (en) * | 2015-08-01 | 2015-12-23 | 谷伟 | Differential dual-output motor |
| CN206487847U (en) * | 2016-08-26 | 2017-09-12 | 东风德纳车桥有限公司 | A kind of motor differential assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10882389B2 (en) | 2016-05-06 | 2021-01-05 | Allison Transmission, Inc. | Axle assembly with electric motor |
| USD927578S1 (en) | 2018-09-27 | 2021-08-10 | Allison Transmission, Inc. | Axle assembly |
| CN112389178A (en) * | 2019-08-19 | 2021-02-23 | 比亚迪股份有限公司 | Axle assembly and vehicle |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |