CN203254963U - Integrate type four-gear-position electric vehicle power transmission system - Google Patents
Integrate type four-gear-position electric vehicle power transmission system Download PDFInfo
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- CN203254963U CN203254963U CN 201320227030 CN201320227030U CN203254963U CN 203254963 U CN203254963 U CN 203254963U CN 201320227030 CN201320227030 CN 201320227030 CN 201320227030 U CN201320227030 U CN 201320227030U CN 203254963 U CN203254963 U CN 203254963U
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Abstract
The utility model discloses an integrated type four-gear-position electric vehicle power transmission system which is used for solving the problems that an existing electric vehicle power transmission system is large in mass and impaction exists among transmission components. The integrated type four-gear-position electric vehicle power transmission system comprises a motor, a speed changing mechanism inputting gear, a speed changing mechanism, a differential mechanism assembly and a shell, the shell is fixed on a bearing seat of a vehicle drive axle, the stator portion of the motor is fixed on the shell, the differential mechanism assembly is sleeved with the rotor portion of the motor, motor power output gears are arranged at the two ends of the rotor portion of the motor, the motor power output gears are meshed with the speed changing mechanism inputting gears, the speed changing mechanism inputting gears are connected with the input end of the speed changing mechanism, and the output end of the speed changing mechanism is connected with the input end of the differential mechanism assembly. The integrated type four-gear-position electric vehicle power transmission system has the advantages that the integrated type four-gear-position electric vehicle power transmission system is compact in structure and strong in adaptability, the requirements of dynamic property and economical efficiency of a whole vehicle are met, the smooth and rapid gear-shifting function of the electric vehicle is achieved, and comfort of taking the electric vehicle of a passenger is ensured.
Description
Technical field
The utility model relates to a kind of power drive system of elec. vehicle, and especially a kind of integrated form fourth gear position elec. vehicle power drive system belongs to electrical circuitry equipment or the field of power equipment technology of elec. vehicle.
Background technology
The day by day enhancing of and environmental consciousness energy-conservation along with people, the development and application of new-energy automobile more and more are subject to the attention of each Main Auto producing country of the world and domestic full-sized car manufacturing enterprise.Elec. vehicle is as the main product of new-energy automobile, and the structure of its power drive system and arrangement form become the core technology of elec. vehicle.At present, the driving system of most of elec. vehicles mechanically links together motor, speed-changing mechanism and diff, and not only its volume, quality are larger, is unfavorable for the layout of car load, and owing to there is impact between the drive disk assembly, reduced the travelling comfort of vehicle.
For the problems referred to above, some automobile manufacturing enterprises just are being devoted to the research of integrated technology, but existing integrated technology only is confined to the integrated aspect of electrical equipment, can not fundamentally solve the negative effect of impacting between the large and drive disk assembly of complete vehicle quality elec. vehicle dynamic property, economy and travelling comfort.
The utility model content
The purpose of this utility model is the drawback for prior art, a kind of compact conformation, strong adaptability are provided, can under the prerequisite that satisfies car load dynamic property, economy requirement, realize integrated form fourth gear position elec. vehicle power drive system smooth-going, crash change of speed.
Problem described in the utility model realizes with following technical proposals:
A kind of integrated form fourth gear position elec. vehicle power drive system, it comprises motor, the speed-changing mechanism input gear, speed-changing mechanism, differential assembly and shell, described shell is fixed on the bearing seat of vehicle drive axle, the stationary part of described motor is fixed on the shell, rotor partly is sleeved on the differential assembly outside, at rotor part two ends the motor power output gear is set, described motor power output gear and the engagement of speed-changing mechanism input gear, described speed-changing mechanism input gear is connected with the speed-changing mechanism input end, and described speed-changing mechanism mouth is connected with the differential assembly input end.
Above-mentioned integrated form fourth gear position elec. vehicle power drive system, described speed-changing mechanism input gear comprise one grade of input gear, second gear input gear, third gear input gear and four gear input gears, and they assemble with corresponding speed-changing mechanism gear respectively.
Above-mentioned integrated form fourth gear position elec. vehicle power drive system, described speed-changing mechanism comprises one grade of speed change assembly, second gear speed change assembly, three class gear shift assembly and four-speed gear shift assembly, a described gear speed change assembly is comprised of one grade of power-transfer clutch, one grade of driving gear and first speed driven gear, described one grade of power-transfer clutch is arranged between one grade of input gear and the one grade of driving gear, described one grade of driving gear and first speed driven gear engagement, described first speed driven gear and differential assembly assembling.
Above-mentioned integrated form fourth gear position elec. vehicle power drive system, described two gear speed change assemblies are comprised of second gear power-transfer clutch, second gear driving gear and second gear driven gear, described second gear power-transfer clutch is arranged between second gear input gear and the second gear driving gear, described second gear driving gear and the engagement of second gear driven gear, described second gear driven gear and differential assembly assembling.
Above-mentioned integrated form fourth gear position elec. vehicle power drive system, described three gear speed change assemblies are comprised of third gear power-transfer clutch, third speed drive gear and third gear driven gear, described third gear power-transfer clutch is arranged between third gear input gear and the third speed drive gear, described third speed drive gear and the engagement of third gear driven gear, described third gear driven gear and differential assembly assembling.
Above-mentioned integrated form fourth gear position elec. vehicle power drive system, described four-speed gear shift assembly is comprised of fourth gear power-transfer clutch, fourth gear driving gear and fourth gear driven gear, described fourth gear power-transfer clutch is arranged between fourth gear input gear and the fourth gear driving gear, described fourth gear driving gear and the engagement of fourth gear driven gear, described fourth gear driven gear and differential assembly assembling.
Above-mentioned integrated form fourth gear position elec. vehicle power drive system, described differential assembly comprises diff shell and diff body, described diff shell two ends are provided with respectively the gear ring from different speed change gear driven gears engagements, and described diff body two mouths are connected with right axle shaft with the left half axle of vehicle drive axle respectively.
The utility model becomes one motor, speed-changing mechanism and diff, not only make power transmission system structure compacter, be convenient to arrangement, and shortened power transmission line, reduce the loss in the power transmission process, dwindled the negative effect of impacting between the drive disk assembly elec. vehicle dynamic property, economy and travelling comfort; The utility model is provided with fourth gear position speed-changing mechanism, it adjusts vehicle driveline output torque and rotating speed by speed-changing mechanism, satisfy the power demand under the different operation conditionss of vehicle, the one shelves are applicable to car load starting or high pulling torque output operating mode, second gear and third gear are applicable to the middling speed partial load mode, and fourth gear is applicable to the high speed full load mode.In a word, the utlity model has compact conformation, adaptable characteristics, not only satisfied car load dynamic property, economy requirement, realized that again elec. vehicle is smooth-going, the crash change of speed function, guaranteed the travelling comfort of elec. vehicle.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is that the utility model forms structural representation.
Each list of reference numerals is among the figure: A, one grade of speed change assembly, B, second gear speed change assembly, C, three class gear shift assembly, D, four-speed gear shift assembly;
1, shell, 2, the motor stator part, 3, the rotor part, 4, the motor power output gear, 5, one grade of input gear, 6, one grade of power-transfer clutch, 7, one grade of driving gear, 8, first speed driven gear, 9, the diff gear ring, 10, the diff shell, 11, the diff body, 12, right axle shaft, 13, the second gear driven gear, 14, the second gear driving gear, 15, the second gear power-transfer clutch, 16, the second gear input gear, 17, the fourth gear input gear, 18, the fourth gear power-transfer clutch, 19, the fourth gear driving gear, 20, the fourth gear driven gear, 21, left half axle, 22, the third gear driven gear, 23, third speed drive gear, 24, the third gear power-transfer clutch, 25, the third gear input gear.
The specific embodiment
Referring to Fig. 1, the utility model comprises motor, speed-changing mechanism input gear, speed-changing mechanism, differential assembly and shell 1, described shell 1 is fixed on the bearing seat of vehicle drive axle, described motor stator part 2 is fixed on the shell 1, rotor part 3 is sleeved on the differential assembly outside, at rotor part 3 two ends motor power output gear 4 is set; Described motor power output gear 4 and the engagement of speed-changing mechanism input gear, described speed-changing mechanism input gear comprises one grade of input gear 5, second gear input gear 16, third gear input gear 23 and four gear input gears 17, and they assemble with corresponding speed-changing mechanism gear respectively; Described speed-changing mechanism comprises one grade of speed change assembly A, second gear speed change assembly B, three class gear shift assembly C and four-speed gear shift assembly D, a described gear speed change assembly A is comprised of one grade of power-transfer clutch 6, one grade of driving gear 7 and first speed driven gear 8, described one grade of power-transfer clutch 6 is arranged between one grade of input gear 5 and the one grade of driving gear 7, described one grade of driving gear 7 and first speed driven gear 8 engagements, described first speed driven gear 8 and differential assembly assembling; Described two gear speed change assembly B are comprised of second gear power-transfer clutch 15, second gear driving gear 14 and second gear driven gear 13, described second gear power-transfer clutch 15 is arranged between second gear input gear 16 and the second gear driving gear 14, described second gear driving gear 14 and 13 engagements of second gear driven gear, described second gear driven gear 13 and differential assembly assembling; Described three gear speed change assembly C are comprised of third gear power-transfer clutch 24, third speed drive gear 23 and third gear driven gear 22, described third gear power-transfer clutch 24 is arranged between third gear input gear 25 and the third speed drive gear 23, described third speed drive gear 23 and 22 engagements of third gear driven gear, described third gear driven gear 22 and differential assembly assembling; Described four-speed gear shift assembly D is comprised of fourth gear power-transfer clutch 18, fourth gear driving gear 19 and fourth gear driven gear 20, described fourth gear power-transfer clutch 18 is arranged between fourth gear input gear 17 and the fourth gear driving gear 19, described fourth gear driving gear 19 and 20 engagements of fourth gear driven gear, described fourth gear driven gear 20 and differential assembly assembling; Described differential assembly comprises diff shell 10 and diff body 11, described diff shell 10 two ends are provided with respectively the diff gear ring 9 from different speed change gear driven gears engagements, and 11 liang of mouths of described diff body are connected with right axle shaft with the left half axle 21 of vehicle drive axle respectively and are connected.
Referring to Fig. 1, the utility model is provided with fourth gear position speed-changing mechanism, it adjusts vehicle driveline output torque and rotating speed by speed-changing mechanism, satisfy the power demand under the different operation conditionss of vehicle, the one shelves are applicable to car load starting or high pulling torque output operating mode, second gear and third gear are applicable to the middling speed partial load mode, and fourth gear is applicable to the high speed full load mode.The below is described power transmission process of the present utility model as an example of the second gear speed-changing mechanism example: 2 energisings of motor stator part produce magnetic field, rotor part 3 is rotated under the effect of stator field, drive 16 rotations of second gear input gear, if make 15 combinations of second gear power-transfer clutch this moment, the power of rotor part 3 outputs is through second gear input gear 16, second gear power-transfer clutch 15, second gear driving gear 14, second gear driven gear 13 with transmission of power to the diff gear ring 9 of diff shell right-hand member, again by diff body 11 with power transmission on the left half axle 21 and right axle shaft 12 of vehicle drive axle.The power transmission line of other gear of the utility model and above-mentioned second gear speed-changing mechanism are identical, describe no longer one by one herein.
Claims (7)
1. integrated form fourth gear position elec. vehicle power drive system, it is characterized in that, it comprises motor, the speed-changing mechanism input gear, speed-changing mechanism, differential assembly and shell (1), described shell (1) is fixed on the bearing seat of vehicle drive axle, described motor stator part (2) is fixed on the shell (1), rotor part (3) is sleeved on the differential assembly outside, at rotor part (3) two ends motor power output gear (4) is set, described motor power output gear (4) and the engagement of speed-changing mechanism input gear, described speed-changing mechanism input gear is connected with the speed-changing mechanism input end, and described speed-changing mechanism mouth is connected with the differential assembly input end.
2. a kind of integrated form fourth gear according to claim 1 position elec. vehicle power drive system, it is characterized in that, described speed-changing mechanism input gear comprises one grade of input gear (5), second gear input gear (16), third gear input gear (23) and four gear input gears (17), and they assemble with corresponding speed-changing mechanism gear respectively.
3. a kind of integrated form fourth gear according to claim 1 and 2 position elec. vehicle power drive system, it is characterized in that, described speed-changing mechanism comprises one grade of speed change assembly (A), second gear speed change assembly (B), three class gear shift assembly (C) and four-speed gear shift assembly (D), a described gear speed change assembly (A) is by one grade of power-transfer clutch (6), one grade of driving gear (7) and first speed driven gear (8) form, described one grade of power-transfer clutch (6) is arranged between one grade of input gear (5) and the one grade of driving gear (7), described one grade of driving gear (7) and first speed driven gear (8) engagement, described first speed driven gear (8) and differential assembly assembling.
4. a kind of integrated form fourth gear according to claim 3 position elec. vehicle power drive system, it is characterized in that, described two gear speed change assemblies (B) are comprised of second gear power-transfer clutch (15), second gear driving gear (14) and second gear driven gear (13), described second gear power-transfer clutch (15) is arranged between second gear input gear (16) and the second gear driving gear (14), described second gear driving gear (14) and second gear driven gear (13) engagement, described second gear driven gear (13) and differential assembly assembling.
5. a kind of integrated form fourth gear according to claim 4 position elec. vehicle power drive system, it is characterized in that, described three gear speed change assemblies (C) are comprised of third gear power-transfer clutch (24), third speed drive gear (23) and third gear driven gear (22), described third gear power-transfer clutch (24) is arranged between third gear input gear (25) and the third speed drive gear (23), described third speed drive gear (23) and third gear driven gear (22) engagement, described third gear driven gear (22) and differential assembly assembling.
6. a kind of integrated form fourth gear according to claim 5 position elec. vehicle power drive system, it is characterized in that, described four-speed gear shift assembly (D) is comprised of fourth gear power-transfer clutch (18), fourth gear driving gear (19) and fourth gear driven gear (20), described fourth gear power-transfer clutch (18) is arranged between fourth gear input gear (17) and the fourth gear driving gear (19), described fourth gear driving gear (19) and fourth gear driven gear (20) engagement, described fourth gear driven gear (20) and differential assembly assembling.
7. a kind of integrated form fourth gear according to claim 6 position elec. vehicle power drive system, it is characterized in that, described differential assembly comprises diff shell (10) and diff body (11), described diff shell (10) two ends are provided with respectively the diff gear ring (9) from different speed change gear driven gears engagements, and described diff body (11) two mouths are connected 12 with the left half axle (21) of vehicle drive axle with right axle shaft respectively) be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320227030 CN203254963U (en) | 2013-04-28 | 2013-04-28 | Integrate type four-gear-position electric vehicle power transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320227030 CN203254963U (en) | 2013-04-28 | 2013-04-28 | Integrate type four-gear-position electric vehicle power transmission system |
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| CN203254963U true CN203254963U (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320227030 Expired - Fee Related CN203254963U (en) | 2013-04-28 | 2013-04-28 | Integrate type four-gear-position electric vehicle power transmission system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519506A (en) * | 2017-09-20 | 2019-03-26 | 上海汽车集团股份有限公司 | Electric car and its drive system |
| CN111520453A (en) * | 2020-03-25 | 2020-08-11 | 湖南农业大学 | Embedded differential mechanism rotor |
-
2013
- 2013-04-28 CN CN 201320227030 patent/CN203254963U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519506A (en) * | 2017-09-20 | 2019-03-26 | 上海汽车集团股份有限公司 | Electric car and its drive system |
| CN109519506B (en) * | 2017-09-20 | 2021-09-21 | 上海汽车集团股份有限公司 | Electric automobile and driving system thereof |
| CN111520453A (en) * | 2020-03-25 | 2020-08-11 | 湖南农业大学 | Embedded differential mechanism rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20210428 |