CN105024481A - Electric automobile driving motor and speed changer integrated system - Google Patents
Electric automobile driving motor and speed changer integrated system Download PDFInfo
- Publication number
- CN105024481A CN105024481A CN201410183092.1A CN201410183092A CN105024481A CN 105024481 A CN105024481 A CN 105024481A CN 201410183092 A CN201410183092 A CN 201410183092A CN 105024481 A CN105024481 A CN 105024481A
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- CN
- China
- Prior art keywords
- speed changer
- bearing
- rotating shaft
- drive motors
- electric automobile
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- 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.)
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Classifications
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
- General Details Of Gearings (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses an electric automobile driving motor and speed changer integrated system, comprising a driving motor and a speed changer. The driving motor comprises a motor rotating shaft, a rotor module, a stator module and a casing. The rotor module is installed on the rotating shaft; the stator module and the casing are installed together, and sleeve the rotor module. The speed changer mainly comprises a front end housing and a speed changer rotating shaft, wherein the intermediate part of the front end housing is provided with a bearing chamber; a bearing is installed in the bearing chamber; the input end of the speed changer rotating shaft is supported on the bearing of the front end housing. The system is characterized in that the front end housing of the speed changer is installed on the rear end surface of the casing of the driving motor; the motor rotating shaft and the speed changer rotating shaft are connected, and the output end of the motor rotating shaft is supported on the bearing of the front end housing of the speed changer; the system can reduce system axial direction dimension, optimize the installation structure of an entire vehicle, decrease components, reduce system weight and production costs, and improve production efficiency.
Description
Technical field:
The present invention relates to a kind of drive motors of electric automobile and the integrated system of speed changer.
Background technology:
The drive motors of existing electric automobile and the integrated system of speed changer comprise drive motors and speed changer, described drive motors comprises rotating shaft, rotor assembly, stator module, casing, front end housing and rear end cap, rotor assembly is arranged in rotating shaft, stator module and casing link together and are nested in outside rotor assembly, front end housing and rear end cap are arranged on casing two ends respectively, shaft support is on the bearing of front end housing and rear end cap, the front end housing of speed changer and the rear end cap of drive motors link together, the rotating shaft of motor and the rotating shaft of speed changer are installed togather by internal spline and external splines, but there is following Railway Project in this integrated system: 1) axial dimension of system is long, affect the mounting structure of car load, 2) parts are more, cause production efficiency low, and add weight and the production cost of system.
Summary of the invention:
The object of this invention is to provide a kind of drive motors of electric automobile and the integrated system of speed changer, can shorten the axial dimension of system, optimize the mounting structure of car load, parts are less, can reduce system weight and production cost, enhance productivity.
The object of the invention is to be achieved by following technical proposals.
A kind of drive motors of electric automobile and the integrated system of speed changer, comprise drive motors and speed changer, described drive motors comprises machine shaft, rotor assembly, stator module and casing, rotor assembly is arranged in rotating shaft, stator module and casing are installed together and are nested in outside rotor assembly, speed changer mainly comprises front end housing and speed changer rotating shaft, bearing chamber is provided with in the middle of front end housing, inside bearing chamber, bearing is installed, the input of speed changer rotating shaft is bearing on the bearing of front end housing, it is characterized in that: the front end housing of speed changer is arranged on the rear end face of drive motors casing, machine shaft and speed changer rotating shaft link together, the output of machine shaft is bearing on the bearing of speed changer front end housing.
Speed changer rotating shaft described above is hollow shaft and input is provided with internal spline, the outer surface of machine shaft output is provided with external splines, and the output of machine shaft is nested in coordinate inside speed changer rotating shaft and by external splines and internal spline and machine shaft and speed changer rotating shaft are installed together.
Ring-shaped step is provided with in the input of speed changer rotating shaft described above, the output of machine shaft is extended with stud, the output of machine shaft is nested in inside speed changer rotating shaft, and nut is locked with stud and coordinated, and the bottom surface of nut is bearing on the end face of ring-shaped step.
Be provided with stop washer between the bottom surface of nut described above and the end face of ring-shaped step, between stop washer and the end face of ring-shaped step, be provided with pad.
Down protrude bearing pedestal in the middle of the bottom surface of bell housing described above, inside bearing pedestal, be provided with bearing, the input of machine shaft is bearing on the bearing of bearing pedestal.
Bell housing described above is integrated.
The present invention compared with prior art, have following effect: 1) this integrated system eliminates rear end cap and the bearing of former drive motors, can shorten the axial dimension of system, optimize the mounting structure of car load, parts are less, system weight and production cost can be reduced, enhance productivity; 2) ring-shaped step is provided with in the input of speed changer rotating shaft, the output of machine shaft is extended with stud, the output of machine shaft is nested in inside speed changer rotating shaft, nut is locked with stud and is coordinated, the bottom surface of nut is bearing on the end face of ring-shaped step, this structure is simple, easy for installation, solid and reliable; 3) be provided with stop washer between the bottom surface of nut and the end face of ring-shaped step, between stop washer and the end face of ring-shaped step, be provided with pad, structure is simple, and effectively prevent nut from getting loose, reliability is high; 4) down protrudes bearing pedestal in the middle of the bottom surface of bell housing, inside bearing pedestal, be provided with bearing, the input of machine shaft is bearing on the bearing of bearing pedestal, and bell housing is integrated, and structure is simple, complete machine easy for installation.
Accompanying drawing illustrates:
Fig. 1 is decomposing schematic representation of the present invention;
Fig. 2 is assembling schematic diagram of the present invention;
Fig. 3 is A-A partial enlarged drawing in Fig. 2.
Embodiment:
Below by specific embodiment, also the present invention is described in further detail by reference to the accompanying drawings.
As Fig. 1, shown in Fig. 2 and Fig. 3, the present invention is a kind of drive motors of electric automobile and the integrated system of speed changer, comprise drive motors 1 and speed changer 2, described drive motors 1 comprises machine shaft 11, rotor assembly 12, stator module 13 and casing 14, rotor assembly 12 is arranged in rotating shaft 11, stator module 13 and casing 14 are installed together and are nested in outside rotor assembly 12, speed changer 2 mainly comprises front end housing 21 and speed changer rotating shaft 22, bearing chamber 210 is provided with in the middle of front end housing 21, bearing 3 is installed inside bearing chamber 210, the input of speed changer rotating shaft 22 is bearing on the bearing 3 of front end housing 21, the front end housing 21 of speed changer 2 is arranged on the rear end face of drive motors 1 casing 14, machine shaft 11 and speed changer rotating shaft 22 link together, the output of machine shaft 11 is bearing on the bearing 3 of speed changer 2 front end housing 21.Speed changer rotating shaft 22 is for hollow shaft and input is provided with internal spline, the outer surface of machine shaft 11 output is provided with external splines, and the output of machine shaft 11 is nested in coordinate inside speed changer rotating shaft 22 and by external splines and internal spline and machine shaft 11 and speed changer rotating shaft 22 are installed together.Ring-shaped step 221 is provided with in the input of speed changer rotating shaft 22, the output of machine shaft 11 is extended with stud 111, the output of machine shaft 11 is nested in inside speed changer rotating shaft 22, and nut 4 is locked with stud 111 and coordinated, and the bottom surface of nut 4 is bearing on the end face of ring-shaped step 221.Between the bottom surface of nut 4 and the end face of ring-shaped step 221, be provided with stop washer 5, between stop washer 5 and the end face of ring-shaped step 221, be provided with pad 6.Down protrude bearing pedestal 71 in the middle of the bottom surface of bell housing 7, inside bearing pedestal 71, be provided with bearing 3, the input of machine shaft 11 is bearing on the bearing 3 of bearing pedestal 71.Bell housing 7 is integrated.
Principle of the present invention is: the front end housing 21 of speed changer 2 is arranged on the rear end face of drive motors 1 casing 14, machine shaft 11 and speed changer rotating shaft 22 link together, the output of machine shaft 11 is bearing on the bearing 3 of speed changer 2 front end housing 21, by eliminating rear end cap and the bearing of former drive motors 1, the axial dimension of system can be shortened, optimize the mounting structure of car load, parts are less, can reduce system weight and production cost, enhance productivity.
Claims (6)
1. the drive motors of an electric automobile and the integrated system of speed changer, comprise drive motors (1) and speed changer (2), described drive motors (1) comprises machine shaft (11), rotor assembly (12), stator module (13) and casing (14), rotor assembly (12) is arranged in rotating shaft (11), stator module (13) and casing (14) are installed together and are nested in rotor assembly (12) outside, speed changer (2) mainly comprises front end housing (21) and speed changer rotating shaft (22), bearing chamber (210) is provided with in the middle of front end housing (21), in bearing chamber (210) the inside, bearing (3) is installed, the input of speed changer rotating shaft (22) is bearing on the bearing (3) of front end housing (21), it is characterized in that: the front end housing (21) of speed changer (2) is arranged on the rear end face of drive motors (1) casing (14), machine shaft (11) and speed changer rotating shaft (22) link together, the output of machine shaft (11) is bearing on the bearing (3) of speed changer (2) front end housing (21).
2. a kind of drive motors of electric automobile according to claim 1 and the integrated system of speed changer, it is characterized in that: speed changer rotating shaft (22) is for hollow shaft and input is provided with internal spline, the outer surface of machine shaft (11) output is provided with external splines, and the output of machine shaft (11) is nested in speed changer rotating shaft (22) the inside and is coordinated by external splines and internal spline and machine shaft (11) and speed changer rotating shaft (22) are installed together.
3. a kind of drive motors of electric automobile according to claim 2 and the integrated system of speed changer, it is characterized in that: it also comprises nut (4), ring-shaped step (221) is provided with in the input of speed changer rotating shaft (22), the output of machine shaft (11) is extended with stud (111), the output of machine shaft (11) is nested in speed changer rotating shaft (22) the inside, nut (4) is locked with stud (111) and is coordinated, and the bottom surface of nut (4) is bearing on the end face of ring-shaped step (221).
4. a kind of drive motors of electric automobile according to claim 3 and the integrated system of speed changer, it is characterized in that: between the bottom surface of nut (4) and the end face of ring-shaped step (221), be provided with stop washer (5), between stop washer (5) and the end face of ring-shaped step (221), be provided with pad (6).
5. a kind of drive motors of electric automobile according to claim 1 or 2 or 3 or 4 and the integrated system of speed changer, it is characterized in that: it also comprises bell housing (7), bearing pedestal (71) is down protruded in the middle of the bottom surface of bell housing (7), be provided with bearing (3) in bearing pedestal (71) the inside, the input of machine shaft (11) is bearing on the bearing (3) of bearing pedestal (71).
6. a kind of drive motors of electric automobile according to claim 5 and the integrated system of speed changer, is characterized in that: described bell housing (7) is integrated.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410183092.1A CN105024481B (en) | 2014-04-30 | 2014-04-30 | A kind of motor of electric automobile and the integrated system of speed changer |
| PCT/CN2014/077347 WO2015165130A1 (en) | 2014-04-30 | 2014-05-13 | Integrated system of drive motor and transmission for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410183092.1A CN105024481B (en) | 2014-04-30 | 2014-04-30 | A kind of motor of electric automobile and the integrated system of speed changer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105024481A true CN105024481A (en) | 2015-11-04 |
| CN105024481B CN105024481B (en) | 2017-07-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410183092.1A Active CN105024481B (en) | 2014-04-30 | 2014-04-30 | A kind of motor of electric automobile and the integrated system of speed changer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105024481B (en) |
| WO (1) | WO2015165130A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11155256A (en) * | 1997-11-21 | 1999-06-08 | Toyo Umpanki Co Ltd | Motor-driven vehicle with cooling device |
| CN201781368U (en) * | 2010-07-14 | 2011-03-30 | 清华大学 | Hydraulic control reducer having neutral gear and used for electric vehicle driving motors |
| CN102050005A (en) * | 2009-11-06 | 2011-05-11 | 中国北方车辆研究所 | Mechanical and electrical integrated driving wheel system |
| CN102774279A (en) * | 2012-07-25 | 2012-11-14 | 襄阳宇清传动科技有限公司 | Non-redundancy pivot point type motor and speed changer integrated drive system |
| CN202997827U (en) * | 2012-12-26 | 2013-06-12 | 潍柴动力股份有限公司 | Motor system assembly with deceleration mechanism |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195398A (en) * | 2010-03-07 | 2011-09-21 | 金碧波 | Chain driving automatic transmission middle-mounted motor of electro car |
| CN102201717A (en) * | 2010-03-25 | 2011-09-28 | 广西三立科技发展有限公司 | Integral hybrid power motor |
| CN202138497U (en) * | 2011-02-01 | 2012-02-08 | 金碧波 | Box assembly for automatic gear shifting motor of electric tricycle |
-
2014
- 2014-04-30 CN CN201410183092.1A patent/CN105024481B/en active Active
- 2014-05-13 WO PCT/CN2014/077347 patent/WO2015165130A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11155256A (en) * | 1997-11-21 | 1999-06-08 | Toyo Umpanki Co Ltd | Motor-driven vehicle with cooling device |
| CN102050005A (en) * | 2009-11-06 | 2011-05-11 | 中国北方车辆研究所 | Mechanical and electrical integrated driving wheel system |
| CN201781368U (en) * | 2010-07-14 | 2011-03-30 | 清华大学 | Hydraulic control reducer having neutral gear and used for electric vehicle driving motors |
| CN102774279A (en) * | 2012-07-25 | 2012-11-14 | 襄阳宇清传动科技有限公司 | Non-redundancy pivot point type motor and speed changer integrated drive system |
| CN202997827U (en) * | 2012-12-26 | 2013-06-12 | 潍柴动力股份有限公司 | Motor system assembly with deceleration mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015165130A1 (en) | 2015-11-05 |
| CN105024481B (en) | 2017-07-28 |
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Effective date of registration: 20230410 Address after: 201800 No. 300, Hengyu Road, Jiading District, Shanghai Patentee after: SHANGHAI AUTOMOBILE ELECTRIC DRIVE Co.,Ltd. Patentee after: SHANGHAI EDRIVE Co.,Ltd. Address before: Room 101, Building 2, No. 5 Yongfeng Road, Haidian District, Beijing 100089 Patentee before: BROAD-OCEAN MOTOR EV Co.,Ltd. |