CN103496321B - Motor and planetary reduction gear integrated dynamic driving system - Google Patents
Motor and planetary reduction gear integrated dynamic driving system Download PDFInfo
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- CN103496321B CN103496321B CN201310448322.8A CN201310448322A CN103496321B CN 103496321 B CN103496321 B CN 103496321B CN 201310448322 A CN201310448322 A CN 201310448322A CN 103496321 B CN103496321 B CN 103496321B
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- motor
- reduction gear
- planetary reduction
- pinion carrier
- housing
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- 239000000498 cooling water Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a kind of motor and planetary reduction gear integrated dynamic driving system, comprise motor and planetary reduction gear, the front end of the motor casing of motor is fixedly connected with the front end cover of motor, the front end cover of described motor is provided with through hole, the housing of planetary reduction gear is fixedly connected with the front end cover of motor, the output shaft of motor is rotatably supported on front end cover and front end by backup bearing and extend in planetary reduction gear, and is fixedly connected with the input gear of planetary reduction gear.The present invention operates reliable and stable and can reduce radial dimension and the axial dimension of motor, reduces weight and cost.
Description
Technical field
The present invention relates to a kind of transmission system of electric automobile.
Background technology
Electronlmobil comprises pure electric automobile, mixed power electric car and fuel cell electric vehicle.Its drive motor often adopts AC induction motor and AC magnetoelectric machine, and its retarder often adopts parallel-axis type structure.
These two kinds of motors can adopt converter technique, realize infinite speed variation, but current electronlmobil is for reducing R&D costs, mainly carry out manufacturing and designing based on full-fledged fuel-engined vehicle car body and vehicle frame, the power drive system installing space of vehicle is narrow and small, and the speed of a motor vehicle requires high, and acceleration/accel requires large, and requiring that hill climbing ability is strong simultaneously, this motor is then difficult to the requirement meeting vehicle installation and travel.
Summary of the invention
The object of the present invention is to provide and a kind ofly operate reliable and stable and radial dimension and the axial dimension of motor can be reduced, reduce motor and the planetary reduction gear integrated dynamic driving system of weight and cost.
In order to achieve the above object, technical scheme of the present invention is: a kind of motor and planetary reduction gear integrated dynamic driving system, comprise motor and planetary reduction gear, the front end of the motor casing of motor is fixedly connected with the front end cover of motor, the front end cover of described motor is provided with through hole, the housing of planetary reduction gear is fixedly connected with the front end cover of motor, the output shaft of motor is rotatably supported on front end cover and front end by backup bearing and extend in planetary reduction gear, and is fixedly connected with the input gear of planetary reduction gear.
The output shaft of described motor is connected by spline or interference fit with the input gear of planetary reduction gear.
Described planetary reduction gear also comprises internally toothed annulus, planetary wheel, planet wheel bearing, pinion carrier, pinion carrier backup bearing, outside framework oil seal and output flange, described internally toothed annulus is fixedly connected with housing, described planetary wheel has several and to be rotatably supported in pinion carrier and uniform along pinion carrier circumference, planetary wheel engages with input gear and internally toothed annulus, described pinion carrier is rotatably supported on housing by pinion carrier backup bearing, described output flange is fixedly connected on one end of stretching out housing of pinion carrier, housing is fixedly connected on the front end cover of motor by the edge seam of locating dowel pin and bolt or housing.
Described pinion carrier is provided with multiple circumferentially uniform planet pin, on each planet pin, all cover has planet wheel bearing, described planetary wheel is nested with on planet wheel bearing, close output flange one end of described pinion carrier has axle journal, axle journal is set with pinion carrier backup bearing, pinion carrier backup bearing is arranged in the bore of housing.
Be provided with the first outside framework oil seal between the outer round surface of the inwall of the through hole of described front end cover and the output shaft of motor, the first outside framework oil seal is positioned at the side of the close planetary reduction gear of backup bearing; Be provided with the second outside framework oil seal between the inwall of the bore of described housing and the outer round surface of output flange, the second outside framework oil seal is positioned at the close output flange side of pinion carrier backup bearing; V-type water seal is provided with between the front end face of described housing and the cylindrical step surface of output flange.
The motor casing of described motor arranges cooling water circulation water channel, and is provided with cooling water inlet and outlet.
Described motor is variable-frequency speed-regualting triphase asynchronous dynamo or variable-frequency speed-regualting triphase permanent-magnet synchronous dynamo.
After adopting said structure, technique effect:
The present invention adopts the output shaft of motor directly to extend in planetary reduction gear, directly be fixedly connected with the input gear of planetary reduction gear, make the front end cover of motor double as the end cap of electric motor end cap and planetary reduction gear housing, and eliminate the coupler between motor output shaft and input gear, by electric machine stand, motor front end cover, cooperation between planetary reduction gear three, be reduced to motor and planetary reduction gear coordinating between the two, by motor output shaft, coupler, connection between input gear three, be reduced to motor output shaft and the connection between the two of planetary reduction gear input gear, decrease the axial dimension of motor and planetary reduction gear, thus overall assembly technology is become more succinct, reliably, and integral design, what the overall operation performance of motor was become is more stable, reliably, decrease axial space, also mitigate the overall weight of motor and planetary reduction gear integrated dynamic driving system, reduce cost, the moment of torsion reducing motor can meet electronlmobil maximum speed again simultaneously, the requirement of peak acceleration, and improve wheel hill climbing ability.The present invention arranges cooling water circulation water channel at motor housing, and is provided with water inlet and water outlet, utilizes cooling water circulation to dispel the heat, and radiating effect can be made better.
Accompanying drawing explanation
The present invention is further detailed explanation for the embodiment provided below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of motor of the present invention and planetary reduction gear integrated dynamic driving system;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the A-A cutaway view of Fig. 2.
Detailed description of the invention
As shown in Figure 1, 2, 3, a kind of motor of the present invention and planetary reduction gear integrated dynamic driving system, comprise motor 2 and planetary reduction gear 1, the front end of the motor casing 2-1 of motor 2 is fixedly connected with the front end cover 8 of motor 2, the front end cover 8 of described motor 2 is provided with through hole 8-1, the housing 6 of planetary reduction gear 1 is fixedly connected with the front end cover 8 of motor 2, the output shaft 13 of motor 2 is rotatably supported on front end cover 8 and front end by backup bearing 12 and extend in planetary reduction gear 1, and is fixedly connected with the input gear 11 of planetary reduction gear 1.
As shown in Figure 3, the output shaft 13 of described motor 2 is connected by spline or interference fit with the input gear 11 of planetary reduction gear 1.Also the interior external tooth cooperation of key, various shape, bolt or interference fit can be adopted to connect.
As Fig. 3, shown in 1, described planetary reduction gear 1 also comprises internally toothed annulus 7, planetary wheel 17, planet wheel bearing 16, pinion carrier 10, pinion carrier backup bearing 18, outside framework oil seal 19 and output flange 20, described internally toothed annulus 7 is fixedly connected with housing 6, described planetary wheel 17 has several and to be rotatably supported in pinion carrier 10 and uniform along pinion carrier (10) circumference, planetary wheel 17 engages with input gear 11 and internally toothed annulus 7, described pinion carrier 10 is rotatably supported on housing 6 by pinion carrier backup bearing 18, described output flange 20 is fixedly connected on one end of stretching out housing 6 of pinion carrier 10, housing 6 is fixedly connected on the front end cover 8 of motor 2 by the edge seam of locating dowel pin and bolt 5 or housing 6.
As shown in Figure 3, described pinion carrier 10 is provided with multiple circumferentially uniform planet pin 15, on each planet pin 15, all cover has planet wheel bearing 16, described planetary wheel 17 is nested with on planet wheel bearing 16, close output flange 20 one end of described pinion carrier 10 has axle journal 10-1, axle journal 10-1 is set with pinion carrier backup bearing 18, and pinion carrier backup bearing 18 is arranged in the bore 6-1 of housing 6.
As shown in Figure 3, the side that the first outside framework oil seal 14, first outside framework oil seal 14 is positioned at the close planetary reduction gear of backup bearing 12 is provided with between the outer round surface of the inwall of the through hole 8-1 of described front end cover 8 and the output shaft 13 of motor 2; Close output flange 20 side that the second outside framework oil seal 19, second outside framework oil seal 19 is positioned at pinion carrier backup bearing 18 is provided with between the inwall of the bore 6-1 of described housing 6 and the outer round surface of output flange 20; V-type water seal 21 is provided with between the front end face of described housing 6 and the cylindrical step surface of output flange 20.First outside framework oil seal 14 and the second outside framework oil seal 19 are in order to prevent the outflow of lubrication oil in casing, and V-type water seal 21 enters in casing in order to prevent the dirts such as outside water.
As shown in Figure 1, 2, 3, the motor casing 2-1 of described motor 2 arranges cooling water circulation water channel 9, and is provided with cooling water inlet 3 and outlet 4.Cooling water expansion tank enters the cooling water circulation water channel 9 of motor by cooling water inlet 3, then take heat out of motor 2 by cooling water outlet 4, and the cooling water circulation water channel 9 again entering motor 2 by cooling water inlet 3 after external cooling device cools carries out circulating cooling.
As shown in Figure 1, 2, described motor 2 is variable-frequency speed-regualting triphase asynchronous dynamo or variable-frequency speed-regualting triphase permanent-magnet synchronous dynamo.As the JD156B ac three-phase asynchronous motor that adopts the southern car Zhuzhou epoch electric or permagnetic synchronous motor.
Claims (4)
1. a motor and planetary reduction gear integrated dynamic driving system, comprise motor (2) and planetary reduction gear (1), the front end of the motor casing (2-1) of motor (2) is fixedly connected with the front end cover (8) of motor (2), the front end cover (8) of described motor (2) is provided with through hole (8-1), it is characterized in that: the housing (6) of planetary reduction gear (1) is fixedly connected with the front end cover (8) of motor (2), the output shaft (13) of motor (2) is rotatably supported in that front end cover (8) is upper by backup bearing (12) and front end extend in planetary reduction gear (1), and be fixedly connected with the input gear (11) of planetary reduction gear (1),
Described planetary reduction gear (1) also comprises internally toothed annulus (7), planetary wheel (17), planet wheel bearing (16), pinion carrier (10), pinion carrier backup bearing (18), outside framework oil seal (19) and output flange (20), described internally toothed annulus (7) is fixedly connected with housing (6), described planetary wheel (17) has several and to be rotatably supported in pinion carrier (10) upper and uniform along pinion carrier (10) circumference, planetary wheel (17) engages with input gear (11) and internally toothed annulus (7), described pinion carrier (10) is rotatably supported on housing (6) by pinion carrier backup bearing (18), described output flange (20) is fixedly connected on one end of stretching out housing (6) of pinion carrier (10), housing (6) is fixedly connected on the front end cover (8) of motor (2) by the edge seam of locating dowel pin and bolt (5) or housing (6),
Described pinion carrier (10) is provided with multiple circumferentially uniform planet pin (15), on each planet pin (15), all cover has planet wheel bearing (16), described planetary wheel (17) is nested with on planet wheel bearing (16), close output flange (20) one end of described pinion carrier (10) has axle journal (10-1), axle journal (10-1) upper suit pinion carrier backup bearing (18), pinion carrier backup bearing (18) is arranged in the bore (6-1) of housing (6);
Be provided with the first outside framework oil seal (14) between the outer round surface of the inwall of the through hole (8-1) of described front end cover (8) and the output shaft (13) of motor (2), the first outside framework oil seal (14) is positioned at the side of the close planetary reduction gear of backup bearing (12); Be provided with the second outside framework oil seal (19) between the inwall of the bore (6-1) of described housing (6) and the outer round surface of output flange (20), the second outside framework oil seal (19) is positioned at close output flange (20) side of pinion carrier backup bearing (18); V-type water seal (21) is provided with between the front end face of described housing (6) and the cylindrical step surface of output flange (20).
2. motor according to claim 1 and planetary reduction gear integrated dynamic driving system, is characterized in that: the output shaft (13) of described motor (2) is connected by spline or interference fit with the input gear (11) of planetary reduction gear (1).
3. motor according to claim 1 and planetary reduction gear integrated dynamic driving system, is characterized in that: the motor casing (2-1) of described motor (2) arranges cooling water circulation water channel (9), and is provided with cooling water inlet (3) and outlet (4).
4. motor according to claim 1 and planetary reduction gear integrated dynamic driving system, is characterized in that: described motor (2) is variable-frequency speed-regualting triphase asynchronous dynamo or variable-frequency speed-regualting triphase permanent-magnet synchronous dynamo.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310448322.8A CN103496321B (en) | 2013-09-27 | 2013-09-27 | Motor and planetary reduction gear integrated dynamic driving system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310448322.8A CN103496321B (en) | 2013-09-27 | 2013-09-27 | Motor and planetary reduction gear integrated dynamic driving system |
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| Publication Number | Publication Date |
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| CN103496321A CN103496321A (en) | 2014-01-08 |
| CN103496321B true CN103496321B (en) | 2016-04-27 |
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| CN201310448322.8A Active CN103496321B (en) | 2013-09-27 | 2013-09-27 | Motor and planetary reduction gear integrated dynamic driving system |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762779A (en) * | 2014-01-27 | 2014-04-30 | 北京阳铭诚科技有限责任公司 | Planetary gear reducer of electric vehicle |
| CN104506013A (en) * | 2014-12-23 | 2015-04-08 | 冶金自动化研究设计院 | Integrated low-speed large-torque permanent magnet brushless direct current torque motor |
| CN106402286A (en) * | 2016-11-25 | 2017-02-15 | 长沙汽电汽车零部件有限公司 | Planetary reduction output structure of driving motor and driving motor employing planetary reduction output structure |
| CN108233596A (en) * | 2016-12-15 | 2018-06-29 | 佛山市净瓶泉卫浴有限公司 | A kind of set axis low-disturbance force motor |
| CN107131258A (en) * | 2017-06-13 | 2017-09-05 | 青岛银菲特精密机械有限公司 | A kind of new-energy automobile high speed planetary reduction gear |
| CN110748635A (en) * | 2019-10-28 | 2020-02-04 | 江苏众力合创精密机械科技有限公司 | Efficient planetary gear reducer |
| CN112160909A (en) * | 2020-09-28 | 2021-01-01 | 泗县金皖泵业有限公司 | Axial-flow type explosion-proof water pump |
| CN112821663A (en) * | 2021-02-23 | 2021-05-18 | 领伟创新智能系统(浙江)有限公司 | Permanent magnet speed reducing motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6255751B1 (en) * | 1999-09-09 | 2001-07-03 | Torex Corporation | Integrated rotary servo actuator |
| CN201189822Y (en) * | 2008-02-22 | 2009-02-04 | 同济大学 | Wheel-side reducer of drive axle for electric automobile |
| CN201354834Y (en) * | 2009-03-02 | 2009-12-02 | 丛俊贞 | Deceleration/variable speed device |
| CN203496675U (en) * | 2013-09-27 | 2014-03-26 | 南车戚墅堰机车车辆工艺研究所有限公司 | Motor and planetary reducer integrated power transmission system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4648806B2 (en) * | 2005-09-13 | 2011-03-09 | オリエンタルモーター株式会社 | Planetary gear set |
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2013
- 2013-09-27 CN CN201310448322.8A patent/CN103496321B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6255751B1 (en) * | 1999-09-09 | 2001-07-03 | Torex Corporation | Integrated rotary servo actuator |
| CN201189822Y (en) * | 2008-02-22 | 2009-02-04 | 同济大学 | Wheel-side reducer of drive axle for electric automobile |
| CN201354834Y (en) * | 2009-03-02 | 2009-12-02 | 丛俊贞 | Deceleration/variable speed device |
| CN203496675U (en) * | 2013-09-27 | 2014-03-26 | 南车戚墅堰机车车辆工艺研究所有限公司 | Motor and planetary reducer integrated power transmission system |
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| CN103496321A (en) | 2014-01-08 |
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Address after: 213011 Wuyi Road, Changzhou, Jiangsu, No. 258, No. Patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No. Patentee before: CSR QISHUYAN INSTITUTE Co.,Ltd. |
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Address after: 213011 No. 51 Wuyi Road, Qishuyan, Changzhou, Jiangsu, 258 Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Country or region after: China Address before: 213011 No. 51 Wuyi Road, Qishuyan, Changzhou, Jiangsu, 258 Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. Country or region before: China |