CN105024481B - A kind of motor of electric automobile and the integrated system of speed changer - Google Patents
A kind of motor of electric automobile and the integrated system of speed changer Download PDFInfo
- Publication number
- CN105024481B CN105024481B CN201410183092.1A CN201410183092A CN105024481B CN 105024481 B CN105024481 B CN 105024481B CN 201410183092 A CN201410183092 A CN 201410183092A CN 105024481 B CN105024481 B CN 105024481B
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- China
- Prior art keywords
- speed changer
- rotating shaft
- bearing
- motor
- drive end
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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
-
- 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 a kind of motor of electric automobile and the integrated system of speed changer, including motor and speed changer, described motor includes 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 includes drive end bearing bracket and speed changer rotating shaft, bearing chamber is provided with the middle of drive end bearing bracket, bearing is installed inside bearing chamber, the input of speed changer rotating shaft is supported on the bearing of drive end bearing bracket, it is characterised in that：The drive end bearing bracket of speed changer is arranged on the rear end face of motor casing, machine shaft links together with speed changer rotating shaft, the output end of machine shaft is supported on the bearing of speed changer drive end bearing bracket, the axial dimension of system can be shortened, optimize the mounting structure of vehicle, parts are less, system weight and production cost can be reduced, production efficiency is improved.
Description
Technical field：
The present invention relates to a kind of motor of electric automobile and the integrated system of speed changer.
Background technology：
The motor of existing electric automobile and the integrated system of speed changer include motor and speed changer, described drive
Dynamic motor includes rotating shaft, rotor assembly, stator module, casing, drive end bearing bracket and rear end cap, and rotor assembly is arranged in rotating shaft, fixed
Sub-component links together and is nested in outside rotor assembly with casing, and drive end bearing bracket and rear end cap are separately mounted to casing two ends,
Shaft support is on the bearing of drive end bearing bracket and rear end cap, and the drive end bearing bracket of speed changer and the rear end cap of motor link together,
The rotating shaft of motor and the rotating shaft of speed changer are installed togather by internal spline and external splines, but this integrated system is present
Following Railway Project：1) axial dimension of system is long, influences the mounting structure of vehicle；2) parts are more, cause production efficiency
It is low, and add the weight and production cost of system.
The content of the invention：
It is an object of the invention to provide a kind of motor of electric automobile and the integrated system of speed changer, system can be shortened
Axial dimension, optimize the mounting structure of vehicle, parts are less, it is possible to decrease system weight and production cost, improve production effect
Rate.
The purpose of the present invention is achieved by following technical proposals.
A kind of motor of electric automobile and the integrated system of speed changer, including motor and speed changer, it is described
Motor include machine shaft, rotor assembly, stator module and casing, rotor assembly be arranged on rotating shaft on, stator module and
Casing is installed together and is nested in outside rotor assembly, and speed changer mainly includes in drive end bearing bracket and speed changer rotating shaft, drive end bearing bracket
Between be provided with bearing chamber, bearing is installed inside bearing chamber, the input of speed changer rotating shaft is supported on the bearing of drive end bearing bracket,
It is characterized in that：The drive end bearing bracket of speed changer is arranged on the rear end face of motor casing, and machine shaft connects with speed changer rotating shaft
It is connected together, the output end of machine shaft is supported on the bearing of speed changer drive end bearing bracket.
Speed changer rotating shaft described above is hollow shaft and input is provided with internal spline, the outer surface of machine shaft output end
External splines is provided with, the output end of machine shaft is nested in inside speed changer rotating shaft and coordinated by external splines and internal spline electricity
Machine rotating shaft and speed changer rotating shaft are installed together.
Ring-shaped step is provided with the input of speed changer rotating shaft described above, the output end of machine shaft is extended with spiral shell
Post, the output end of machine shaft is nested in inside speed changer rotating shaft, and nut is locked with stud to be coordinated, and the bottom surface of nut is supported on ring
On the top surface of shape step.
Stop washer is provided between the bottom surface of nut described above and the top surface of ring-shaped step, in stop washer and ring
Pad is provided between the top surface of shape step.
Bearing block is down protruded in the middle of the bottom surface of bell housing described above, bearing is installed inside bearing block, electricity
The input of machine rotating shaft is supported on the bearing of bearing block.
Bell housing described above is integrally formed.
The present invention compared with prior art, has the effect that：1) integrated system eliminates the rear end of former motor
Lid and bearing, can shorten the axial dimension of system, optimize the mounting structure of vehicle, parts are less, it is possible to decrease system weight and
Production cost, improves production efficiency；2) ring-shaped step is provided with the input of speed changer rotating shaft, the output end of machine shaft is stretched out
There is stud, the output end of machine shaft is nested in inside speed changer rotating shaft, nut is locked with stud to be coordinated, the bottom surface supporting of nut
On the top surface of ring-shaped step, this is simple in construction, easy for installation, solid and reliable；3) top surface of the bottom surface of nut and ring-shaped step
Between be provided with stop washer, pad is provided between stop washer and the top surface of ring-shaped step, it is simple in construction, effectively prevent
Nut is released, and reliability is high；4) bearing block is down protruded in the middle of the bottom surface of bell housing, bearing is installed inside bearing block,
The input of machine shaft is supported on the bearing of bearing block, and bell housing is integrally formed, simple in construction, the installation of complete machine
It is convenient.
Brief description of the drawings：
Fig. 1 is the decomposing schematic representation of the present invention；
Fig. 2 is the assembling schematic diagram of the present invention；
Fig. 3 is A-A partial enlarged drawings in Fig. 2.
Embodiment：
Below by specific embodiment and the present invention is described in further detail with reference to accompanying drawing.
As shown in Figure 1, Figure 2 and Figure 3, the present invention is a kind of motor of electric automobile and the integrated system of speed changer,
Including motor 1 and speed changer 2, described motor 1 includes machine shaft 11, rotor assembly 12, the and of stator module 13
Casing 14, rotor assembly 12 is arranged in rotating shaft 11, and stator module 13 and casing 14 are installed together and are nested in rotor assembly
12 outsides, speed changer 2 mainly includes being provided with bearing chamber 210 in the middle of drive end bearing bracket 21 and speed changer rotating shaft 22, drive end bearing bracket 21, in axle
Hold the inside of room 210 and bearing 3 is installed, the input of speed changer rotating shaft 22 is supported on the bearing 3 of drive end bearing bracket 21, speed changer 2
Drive end bearing bracket 21 is arranged on the rear end face of the casing 14 of motor 1, and machine shaft 11 links together with speed changer rotating shaft 22, electricity
The output end of machine rotating shaft 11 is supported on the bearing 3 of the drive end bearing bracket 21 of speed changer 2.Speed changer rotating shaft 22 is hollow shaft and input is set
There is internal spline, the outer surface of the output end of machine shaft 11 is provided with external splines, and the output end of machine shaft 11 is nested in speed changer
The inside of rotating shaft 22 is simultaneously installed together machine shaft 11 and speed changer rotating shaft 22 by external splines and internal spline cooperation.Speed changer
Ring-shaped step 221 is provided with the input of rotating shaft 22, the output end of machine shaft 11 is extended with stud 111, machine shaft 11
Output end is nested in the inside of speed changer rotating shaft 22, and nut 4 is locked with stud 111 to be coordinated, and the bottom surface of nut 4 is supported on ring-shaped step
On 221 top surface.Stop washer 5 is provided between the top surface of the bottom surface of nut 4 and ring-shaped step 221, in the He of stop washer 5
Pad 6 is provided between the top surface of ring-shaped step 221.Bearing block 71 is down protruded in the middle of the bottom surface of bell housing 7, in bearing block
71 the insides are provided with bearing 3, and the input of machine shaft 11 is supported on the bearing 3 of bearing block 71.Bell housing 7 be one into
Type.
The present invention principle be：The drive end bearing bracket 21 of speed changer 2 is arranged on the rear end face of the casing 14 of motor 1, motor
Rotating shaft 11 links together with speed changer rotating shaft 22, and the output end of machine shaft 11 is supported on the bearing 3 of the drive end bearing bracket 21 of speed changer 2
On, by eliminating the rear end cap and bearing of former motor 1, the axial dimension of system can be shortened, optimize the installation knot of vehicle
Structure, parts are less, it is possible to decrease system weight and production cost, improve production efficiency.
Claims (5)
1. a kind of motor of electric automobile and the integrated system of speed changer, including motor (1) and speed changer (2), institute
The motor (1) stated includes machine shaft (11), rotor assembly (12), stator module (13) and casing (14), rotor assembly
(12) it is arranged in rotating shaft (11), stator module (13) and casing (14) are installed together and are nested in rotor assembly (12) outside
Face, speed changer (2) mainly includes being provided with bearing chamber in the middle of drive end bearing bracket (21) and speed changer rotating shaft (22), drive end bearing bracket (21)
(210) bearing (3), is installed inside bearing chamber (210), the input of speed changer rotating shaft (22) is supported on drive end bearing bracket (21)
On bearing (3), the drive end bearing bracket (21) of speed changer (2) is arranged on the rear end face of motor (1) casing (14), machine shaft
(11) linked together with speed changer rotating shaft (22), the output end of machine shaft (11) is supported on speed changer (2) drive end bearing bracket (21)
Bearing (3) on；It is characterized in that：It also includes being provided with ring-shaped step in nut (4), the input of speed changer rotating shaft (22)
(221), the output end of machine shaft (11) is extended with stud (111), and the output end of machine shaft (11) is nested in speed changer and turned
Inside axle (22), nut (4) is locked with stud (111) to be coordinated, and the bottom surface of nut (4) is supported on the top surface of ring-shaped step (221)
On.
2. a kind of motor of electric automobile according to claim 1 and the integrated system of speed changer, it is characterised in that：
Speed changer rotating shaft (22) is hollow shaft and input is provided with internal spline, and the outer surface of machine shaft (11) output end is provided with outer flower
Key, the output end of machine shaft (11) is nested in inside speed changer rotating shaft (22) and coordinated by external splines and internal spline motor
Rotating shaft (11) and speed changer rotating shaft (22) are installed together.
3. a kind of motor of electric automobile according to claim 2 and the integrated system of speed changer, it is characterised in that：
Stop washer (5) is provided between the top surface of the bottom surface of nut (4) and ring-shaped step (221), in stop washer (5) and annular
Pad (6) is provided between the top surface of step (221).
4. the motor and the integrated system of speed changer of a kind of electric automobile according to claim 1 or 2 or 3, it is special
Levy and be：It also includes down protruding bearing block (71) in the middle of bell housing (7), the bottom surface of bell housing (7), in bearing block
(71) the inside is provided with bearing (3), and the input of machine shaft (11) is supported on the bearing of bearing block (71) (3).
5. a kind of motor of electric automobile according to claim 4 and the integrated system of speed changer, it is characterised in that：
Described bell housing (7) is integrally formed.
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 CN105024481A (en) | 2015-11-04 |
| CN105024481B true CN105024481B (en) | 2017-07-28 |
Family
ID=54358076
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 |
| CN105024481A (en) | 2015-11-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
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. |
|
| TR01 | Transfer of patent right |