CN103419628B - Electric vehicle integrated driving rear axle and propons - Google Patents
Electric vehicle integrated driving rear axle and propons Download PDFInfo
- Publication number
- CN103419628B CN103419628B CN201310338933.7A CN201310338933A CN103419628B CN 103419628 B CN103419628 B CN 103419628B CN 201310338933 A CN201310338933 A CN 201310338933A CN 103419628 B CN103419628 B CN 103419628B
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- motor
- gear
- axle
- shaft
- supporting revolving
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- Electric Propulsion And Braking For Vehicles (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
The present invention proposes electric vehicle integrated driving rear axle, comprise diff, motor, its core is: by motor being set to flats, by structural arrangement cleverly, motor, speed-changing mechanism, engaging and disengaging gear, the unification of diff limbs are integrated, composition integrated driving rear axle, described speed-changing mechanism is made up of higher speed gear mechanism, low speed speed-changing mechanism; The present invention has that volume is little, lightweight, compact conformation, robust advantage, and travels can be switched to neutral position sliding at any time at vehicle, but also instead can fill generating, reaches energy-conservation object.After described electric vehicle integrated driving rear axle two ends install universal-joint additional, just constitute electric vehicle integration and drive propons.
Description
Technical field
The present invention relates to electric vehicle and drive back axle, especially integrated driving rear axle.
Background technology
No matter front domestic ground battery-driven car is three-wheel or four-wheel motor used and back axle is all split type, and namely back axle limit installs motor additional, and no-clutch and change-speed box, the moment of torsion of motor cannot be accomplished maximum namely with the increase of power moment of torsion, and volume is large; When vehicle travels without neutral position sliding, and instead cannot fill generating, constrain the fast development of battery-driven car.
Summary of the invention
The present invention proposes electric vehicle integrated driving rear axle, motor, speed-changing mechanism engaging and disengaging gear, the unification of diff limbs are become one, composition integrated driving rear axle, have that volume is little, lightweight, compact conformation, robust advantage, and travel can be switched to neutral position sliding at any time at vehicle, but also instead can fill generating, reach energy-conservation object.
Technical scheme of the present invention is as follows: electric vehicle integrated driving rear axle, comprises diff, motor, it is characterized in that:
Motor is flats, and being connected by motor lower house, motor upper shell is electric machine casing, arranges that stator winding, magnetic steel of motor, rotor form motor in electric machine casing, the rotor of motor by bearings on the pivot shaft at electric machine casing center;
The outer face indent of motor lower house forms container cavity, and a body skin is connected on motor lower house, forms chamber between body skin and motor lower house; The rotor of motor is provided with outer axle journal and protrudes in container cavity, and the outer axle journal of rotor is fixed with driving gear; Radial both sides along driving gear are respectively equipped with the first supporting revolving shaft, the second supporting revolving shaft, and the first supporting revolving shaft is set with high speed ring gear movingly; Second supporting revolving shaft is set with low speed ring gear movingly; High speed ring gear, low speed ring gear all engage with driving gear; First supporting revolving shaft and the second supporting revolving shaft are also respectively installed with the first clutch cover, the second clutch cover;
Left half axle passes through clutch shaft bearing, second bearings is between motor lower house and body skin, right axle shaft is by the 3rd bearing, 4th bearings is between motor lower house and body skin, the inner of left half axle and right axle shaft is connected with diff, left half axle outer end is provided with left support cover, right axle shaft outer end is provided with right support cover, the two ends of diff support are connected to high-speed drive gear, low gear, the axle head of the first supporting revolving shaft is provided with high speed transition gear, the axle head of the second supporting revolving shaft is provided with lower-speed transition gear, high speed transition gear and high-speed drive gears meshing, lower-speed transition gear engages with low gear.
Above-mentioned electric vehicle integrated driving rear axle, after its two ends install universal-joint additional, just constitutes electric vehicle integration and drives propons.
Beneficial effect: the present invention is by being set to motor flats, by structural arrangement cleverly, motor, speed-changing mechanism, engaging and disengaging gear, the unification of diff limbs are integrated, composition integrated driving rear axle, have that volume is little, lightweight, compact conformation, robust advantage, and travel can be switched to neutral position sliding at any time at vehicle, but also instead can fill generating, reach energy-conservation object.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Shown in Fig. 1: 1. right axle shaft; 2. right support cover; 3. motor lower house; 4. motor upper shell; 5. low speed ring gear; 6. lower-speed transition gear; 7. the first backup bearing; 8. the second clutch cover; 9. the second pivot shaft; 10. the second backup bearing; 11. driving gears; 12. rotors; 13. pivot shafts; 14. the 5th bearings; 15. the 6th bearings; 16. high speed transition gears; 17. first clutch covers; 18. first pivot shafts; 19. the 7th bearings; 20. high speed ring gears; 21. magnetic steel of motor; 22. stator winding; 23. left support covers; 24. left half axles; 25. clutch shaft bearings; 26. second bearings; 27. high-speed drive gears; 28. clutch-pedal supports; 29. first finishing bevel gear cuters; 30. transition finishing bevel gear cuters; 31. the 8th bearings; 32. low gears; 33. the 3rd bearings; 34. body skiies; 35. the 4th bearings.
Detailed description of the invention
As shown in Figure 1, the present invention is further described as follows:
Electric vehicle integrated driving rear axle, comprise diff, motor, motor is flats, being connected by motor lower house 3, motor upper shell 4 is electric machine casing, arrange in electric machine casing that stator winding 22, magnetic steel of motor 21, rotor 12 form motor, the rotor of motor is supported on the pivot shaft 13 at electric machine casing center by the 5th bearing 14, the 6th bearing 15;
The outer face indent of motor lower house 3 forms container cavity, and a body skin 34 is connected on motor lower house 3, forms chamber between body skin 34 and motor lower house 3; The rotor 12 of motor is provided with outer axle journal and protrudes in container cavity, and the outer axle journal of rotor is fixed with driving gear 11; Radial both sides along driving gear 11 are respectively equipped with the first supporting revolving shaft 18 (the first supporting revolving shaft 18 is supported by two the 7th bearings 19), the second supporting revolving shaft 9 (the second supporting revolving shaft 9 is supported by the first backup bearing 7, second backup bearing 10), and the first supporting revolving shaft is set with high speed ring gear 20 movingly; Second supporting revolving shaft is set with low speed ring gear 5 movingly; High speed ring gear 20, low speed ring gear 5 all engage with driving gear 11; First supporting revolving shaft 18 and the second supporting revolving shaft 9 are also respectively installed with the first clutch cover 17, second clutch cover 8;
Left half axle 24 is by clutch shaft bearing 25, second bearing 26 is supported between motor lower house 3 and body skin 34, right axle shaft 1 is by the 3rd bearing 33, 4th bearing 35 is supported between motor lower house 3 and body skin 34, the inner of left half axle 24 and right axle shaft 1 is connected with diff, left half axle outer end is provided with left support cover 23, right axle shaft outer end is provided with right support cover 2, the two ends of diff support 28 are connected to high-speed drive gear 27, low gear 32, the axle head of the first supporting revolving shaft 18 is provided with high speed transition gear 16, the axle head of the second supporting revolving shaft 9 is provided with lower-speed transition gear 6, high speed transition gear 16 engages with high-speed drive gear 27, lower-speed transition gear 6 engages with low gear 32.
As shown in Figure 1, diff forms primarily of diff support 28, two the first finishing bevel gear cuters 29, two transition finishing bevel gear cuters 30; Diff is prior art, is not described in detail at this.
As shown in Figure 1, diff support 28 passes through two the 8th bearings 31 difference bearings on left half axle, right axle shaft.
Principle of work of the present invention: when rotor after electric motor starting 12 rotates, drives driving gear 11 to rotate, and is realized switching at a high speed, realize low speed switch by the second clutch cover 8 by the first clutch cover 17; When the first clutch cover 17 and the second clutch cover 8 are all in room, neutral position sliding can be realized.
Electric vehicle integrated driving rear axle as shown in Figure 1, after its two ends install universal-joint additional, just constitutes electric vehicle integration and drives propons.
Innovation of the present invention is: the present invention, by motor being set to flats, by structural arrangement cleverly, integrates motor, speed-changing mechanism, engaging and disengaging gear, the unification of diff limbs.
Claims (2)
1. electric vehicle integrated driving rear axle, comprises diff, motor, it is characterized in that:
Motor is flats, and being connected by motor lower house, motor upper shell is electric machine casing, arranges that stator winding, magnetic steel of motor, rotor form motor in electric machine casing, the rotor of motor by bearings on the pivot shaft at electric machine casing center;
The outer face indent of motor lower house forms container cavity, and a body skin is connected on motor lower house, forms chamber between body skin and motor lower house; The rotor of motor is provided with outer axle journal and protrudes in container cavity, and the outer axle journal of rotor is fixed with driving gear; Radial both sides along driving gear are respectively equipped with the first supporting revolving shaft, the second supporting revolving shaft, and the first supporting revolving shaft is set with high speed ring gear movingly; Second supporting revolving shaft is set with low speed ring gear movingly; High speed ring gear, low speed ring gear all engage with driving gear; First supporting revolving shaft and the second supporting revolving shaft are also respectively installed with the first clutch cover, the second clutch cover;
Left half axle passes through clutch shaft bearing, second bearings is between motor lower house and body skin, right axle shaft is by the 3rd bearing, 4th bearings is between motor lower house and body skin, the inner of left half axle and right axle shaft is connected with diff, left half axle outer end is provided with left support cover, right axle shaft outer end is provided with right support cover, the two ends of diff support are connected to high-speed drive gear, low gear, the axle head of the first supporting revolving shaft is provided with high speed transition gear, the axle head of the second supporting revolving shaft is provided with lower-speed transition gear, high speed transition gear and high-speed drive gears meshing, lower-speed transition gear engages with low gear.
2. electric vehicle integration drives propons, it is characterized in that: form after electric vehicle integrated driving rear axle two ends according to claim 1 install universal-joint additional.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310338933.7A CN103419628B (en) | 2013-08-06 | 2013-08-06 | Electric vehicle integrated driving rear axle and propons |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310338933.7A CN103419628B (en) | 2013-08-06 | 2013-08-06 | Electric vehicle integrated driving rear axle and propons |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103419628A CN103419628A (en) | 2013-12-04 |
| CN103419628B true CN103419628B (en) | 2016-01-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310338933.7A Expired - Fee Related CN103419628B (en) | 2013-08-06 | 2013-08-06 | Electric vehicle integrated driving rear axle and propons |
Country Status (1)
| Country | Link |
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| CN (1) | CN103419628B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588336A (en) * | 2019-09-30 | 2019-12-20 | 广东省威山科技有限公司 | Electric vehicle axle power generation device, electric vehicle axle and electric vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101691105A (en) * | 2009-09-30 | 2010-04-07 | 上海中上汽车科技有限公司 | Split speed changer motor differential drive axle |
| CN201914086U (en) * | 2010-12-24 | 2011-08-03 | 东华大学 | Rear axle device with single-shaft variable-ration driving function and integration of external driving motor for vehicle |
| CN202242968U (en) * | 2011-10-14 | 2012-05-30 | 北京北方鸿瑞汽车技术有限公司 | Variable speed driving axle of electric vehicle |
| CN202557292U (en) * | 2012-05-17 | 2012-11-28 | 潍坊帅克新能源汽车技术有限公司 | Axle assembly of disc type motor of electric vehicle |
| CN203472538U (en) * | 2013-08-06 | 2014-03-12 | 丹江口市天健工贸有限公司 | Integrated drive rear axle used for electric vehicle |
-
2013
- 2013-08-06 CN CN201310338933.7A patent/CN103419628B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101691105A (en) * | 2009-09-30 | 2010-04-07 | 上海中上汽车科技有限公司 | Split speed changer motor differential drive axle |
| CN201914086U (en) * | 2010-12-24 | 2011-08-03 | 东华大学 | Rear axle device with single-shaft variable-ration driving function and integration of external driving motor for vehicle |
| CN202242968U (en) * | 2011-10-14 | 2012-05-30 | 北京北方鸿瑞汽车技术有限公司 | Variable speed driving axle of electric vehicle |
| CN202557292U (en) * | 2012-05-17 | 2012-11-28 | 潍坊帅克新能源汽车技术有限公司 | Axle assembly of disc type motor of electric vehicle |
| CN203472538U (en) * | 2013-08-06 | 2014-03-12 | 丹江口市天健工贸有限公司 | Integrated drive rear axle used for electric vehicle |
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| Publication number | Publication date |
|---|---|
| CN103419628A (en) | 2013-12-04 |
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| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20180806 |
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| CF01 | Termination of patent right due to non-payment of annual fee |