CN205033933U - Wheel limit power drive system - Google Patents
Wheel limit power drive system Download PDFInfo
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- CN205033933U CN205033933U CN201520787408.8U CN201520787408U CN205033933U CN 205033933 U CN205033933 U CN 205033933U CN 201520787408 U CN201520787408 U CN 201520787408U CN 205033933 U CN205033933 U CN 205033933U
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- wheel
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- power lead
- stator winding
- gear
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Abstract
The utility model relates to a wheel limit power drive system, including wheel limit motor unit, speed reduction unit, arresting gear and wheel, wherein, wheel limit motor unit, speed reduction unit, arresting gear and wheel coaxial phase set up, the lateral surface at the wheel is arranged to wheel limit motor unit, speed reduction unit, and arresting gear sets up the medial surface at the wheel. The utility model discloses wheel limit power drive system simple structure is compact, is applicable to the rigid axle suspension structure, and high transmission efficiency can provide great peak power and moment of torsion to the range of application is extensive.
Description
Technical field
The utility model belongs to drive system of electric automobile, is specifically related to a kind of electric drive wheel system for Direct wheel drives.
Background technology
In recent years, along with energy-conserving and environment-protective come into one's own day by day, electronlmobil is developed rapidly, there is the drive form of multiple battery-driven car, at present, take electric drive wheel as the Direct wheel drives system of representative, because its power density is large, driving efficiency is high, can utilize that space is large, structure is simple, each drive wheel torque can independently control, become study hotspot.Because the inner space of wheel is limited, how in a limited space driver element, braking element, speed reduction gearing etc. to be integrated, and carry out the focus that rational layout has become Ge great car company and R&D institution's tackling key problem.
Wheel limit power drive system in existing patented technology, complex structure, motor arrangement, to wheel medial surface, is applied to dependent suspension more difficult; And be applied to independent suspension, also need enough suspension spaces to avoid movement interference, important impact is produced on the performance of independent suspension and car load.In-wheel motor driving form inside motor arrangement to wheel rim, due to the restriction of brake equipment and rim diameter, the size of motor, peak power and moment of torsion can be affected.
Therefore, a kind of wheel of exploitation limit power drive system, for improving the deficiencies in the prior art, has become the demand that actuation techniques field, electric wheel limit is urgent.
Summary of the invention
The purpose of this utility model is the shortcoming and defect overcoming prior art, and provide a kind of wheel limit power drive system, this power drive system is simple and compact for structure, and driving efficiency is high, can provide larger peak power and moment of torsion, and have wide range of applications.
The utility model, for solving the problems of the technologies described above, is achieved through the following technical solutions:
A kind of wheel limit power drive system, comprises wheel motor unit, deceleration unit, brake equipment and wheel.Wherein, wheel motor unit, deceleration unit, brake equipment are coaxially arranged mutually with wheel; Wheel motor unit, deceleration unit are arranged in the lateral surface of wheel, and brake equipment is arranged on the medial surface of wheel.
Particularly, described wheel motor unit comprises casing, stator winding, rotor, end cap and cooling fan.Wherein, casing, stator winding, rotor, end cap and cooling fan are coaxially arranged on steering stub axle; Casing one end is internally toothed annulus, described internally toothed annulus and first planet gear, the second planetary wheel and third planet gears meshing; Stator winding is fixed in casing, and rotor is arranged in stator winding and passes through spline joint with sun wheel; Cooling fan is arranged on the lateral surface of stator winding and rotor, and described cooling fan is fixedly connected with rotor, and rotor drives cooling fan to rotate, and what realize wheel motor unit is air-cooled; End cap is arranged on the lateral surface of cooling fan.
Described deceleration unit comprises sun wheel, the first row star-wheel, the second satellite gear, the third line star-wheel, planetary gear carrier, rebound, first planet gear wheel shaft, the second compensating-gear shaft and third planet gear wheel shaft.Wherein, outer ring, sun wheel one end is connected with rotor inner ring by spline, inner ring is connected with steering stub axle by bearing, and the other end of sun wheel is gear structure, is connected with a joggle respectively with the first row star-wheel, the second satellite gear, the third line star-wheel; Described the first row star-wheel, the second satellite gear and the third line star-wheel are arranged on planetary gear carrier respectively by first planet gear wheel shaft, the second compensating-gear shaft and third planet gear wheel shaft, and described the first row star-wheel, the second satellite gear and the third line star-wheel engage with sun wheel and casing internally toothed annulus respectively; Described planetary gear carrier is fixedly connected with rebound, and first planet gear wheel shaft, the second compensating-gear shaft and third planet gear wheel shaft are fixed, for installing planetary wheel in the side of planetary gear carrier; Described rebound is arranged between planetary gear carrier and radial plate rim, respectively and is fixedly connected with radial plate rim with planetary gear carrier.
Described brake equipment is air-pressure disc brake, coaxially installs with wheel, and air chamber is arranged into the medial surface of wheel, can replace with drum brake mechanism.
Described wheel comprises radial plate rim, steering stub axle, steering swivel and power lead; Wherein, radial plate rim and rebound are bolted; Steering stub axle is through electric motor units, deceleration unit, brake equipment and wheel, and described steering stub axle axial centre has hole, and power lead passes from hole, one end is connected with electric machine controller, the other end is connected with stator winding.
Alternatively, when power lead adopts disposed outside scheme, need to arrange power lead leading-off rods, power lead connector, power lead guiding flexible pipe and power lead connector.Wherein, power lead leading-off rods one end is fixedly connected with motor housing, other end fixed power source line connector; Power lead guiding flexible pipe one end is connected with power lead connector, and the other end is connected to vehicle body by power lead connector; Motor stator power lead is drawn by stator top, and by power lead leading-off rods, power lead connector, power lead guiding flexible pipe and power lead connector are connected to electric machine controller.
Alternatively, when stator winding and rotor adopt another type of drive, need to arrange rotor, stator winding, the first rotor support, the second rotor field spider, key, tie bolt and.Wherein, stator winding is fixed on steering stub axle by key; Rotor arrangements is outside at the concentric circles of stator winding, be fixedly connected with the second rotor field spider with the first rotor support respectively; Described the first rotor support is connected by bearing with steering stub axle respectively with the second rotor field spider, and the second rotor field spider is connected by tie bolt with rebound, and rebound is fixedly connected with by tie bolt with radial plate rim.
The beneficial effects of the utility model are:
(1) the wheel limit power drive system that proposes of the utility model, wheel motor unit and deceleration unit are arranged into lateral wheel face, are applied to dependent suspension structure;
(2) the wheel limit power drive system that proposes of the utility model, deceleration unit can be arranged into inside rotor inner ring, effectively reduces axial location size;
(3) the wheel limit power drive system that proposes of the utility model, saves suspension arrangement space, and power density is large, and driving efficiency is high, and has wide range of applications.
Accompanying drawing explanation
Fig. 1 of the present utility modelly takes turns limit power drive system integral structure schematic diagram;
Fig. 2 is the cutaway view of the utility model Fig. 1;
Fig. 3 is motor of the present utility model and deceleration unit axonometric drawing;
Fig. 4 is deceleration unit axonometric drawing of the present utility model;
Fig. 5 is the cutaway view of another kind of embodiment of the present utility model;
Fig. 6 is motor and the deceleration unit axonometric drawing of another kind of embodiment of the present utility model;
Fig. 7 is the deceleration unit axonometric drawing of another kind of embodiment of the present utility model;
Fig. 8 is the deceleration unit inversion axis mapping of another kind of embodiment of the present utility model;
Fig. 9 is the another kind of power lead arrangement structure figure of embodiment 1 of the present utility model or embodiment 2;
Figure 10 is the another kind of drive mechanism cutaway view of embodiment 1 of the present utility model or embodiment 2;
Figure 11 is the another kind of drive mechanism arrangement structure figure of embodiment 1 of the present utility model or embodiment 2;
Figure 12 is the another kind of drive mechanism axonometric drawing of embodiment 1 of the present utility model or embodiment 2.
Detailed description of the invention
Particular content of the present utility model and working process is further illustrated below in conjunction with accompanying drawing.
Embodiment 1
As shown in Figure 1, be one wheel limit of the present utility model power drive system, comprise wheel motor unit 1, deceleration unit 2, brake equipment 3 and wheel 4.Wherein, wheel motor unit 1, deceleration unit 2, brake equipment 3 and wheel 4 is coaxial arranges mutually; Wheel motor unit 1, deceleration unit 2 are arranged in the lateral surface of wheel 4, and brake equipment 3 is arranged on the medial surface of wheel 4.
Composition graphs 2 and Fig. 3, described wheel motor unit 1 comprises casing 11, stator winding 12, rotor 13, end cap 14 and cooling fan 15.Wherein, casing 11, stator winding 12, rotor 13, end cap 14 and cooling fan 15 are coaxially arranged on steering stub axle 42; Casing 11 one end is internally toothed annulus 111, and described internally toothed annulus 111 engages with first planet gear 22, second planetary wheel 23 and third planet gear 24; Stator winding 12 is fixed in casing 11, and rotor 13 is arranged in stator winding 12 and passes through spline joint with sun wheel 21; Cooling fan 15 is arranged on the lateral surface of stator winding 12 and rotor 13, and described cooling fan 15 is fixedly connected with rotor 13, and rotor 13 drives cooling fan 15 to rotate, and what realize wheel motor unit 1 is air-cooled; End cap 14 is arranged on the lateral surface of cooling fan 15.
Composition graphs 2 and Fig. 4, described deceleration unit 2 comprises sun wheel 21, the first row star-wheel 22, second satellite gear 23, the third line star-wheel 24, planetary gear carrier 25, rebound 26, first planet gear wheel shaft 27, second compensating-gear shaft 28 and third planet gear wheel shaft 29.Wherein, outer ring, sun wheel 21 one end is connected with rotor 13 inner ring by spline, inner ring is connected with steering stub axle 42 by bearing 45, the other end of sun wheel 21 is gear structure, is connected with a joggle respectively with the first row star-wheel 22, second satellite gear 23, the third line star-wheel 24; Described the first row star-wheel 22, second satellite gear 23 and the third line star-wheel 24 are arranged on planetary gear carrier 25 respectively by first planet gear wheel shaft 27, second compensating-gear shaft 28 and third planet gear wheel shaft 29, and described the first row star-wheel 22, second satellite gear 23 and the third line star-wheel 24 engage with sun wheel 21 and casing 11 internally toothed annulus 111 respectively; Described planetary gear carrier 25 is fixedly connected with rebound 26, and first planet gear wheel shaft 27, second compensating-gear shaft 28 and third planet gear wheel shaft 29 are fixed in the side of planetary gear carrier 25, and described planetary gear carrier 25 is for installing planetary wheel; Described rebound 26 is arranged between planetary gear carrier 25 and radial plate rim 41, respectively and is fixedly connected with radial plate rim 41 with planetary gear carrier 25.
Composition graphs 1, described brake equipment 3 is air-pressure disc brake, coaxially installs with wheel 4, and air chamber is arranged into the medial surface of wheel 4, can replace with drum brake mechanism.
Composition graphs 2, described wheel 4 comprises radial plate rim 41, steering stub axle 42, steering swivel 43 and power lead 44; Wherein, radial plate rim 41 is bolted with planetary gear carrier 25 and rebound 26; Steering stub axle 42 is through electric motor units 1, deceleration unit 2, brake equipment 3 and wheel 4, and described steering stub axle 42 axial centre has hole 421, and power lead 44 passes from hole 421, one end is connected with electric machine controller, the other end is connected with stator winding 12.Bearing 45 is installed on steering stub axle 42, for supporting the rotation of sun wheel 21.
Embodiment 2
Other structure is with embodiment 1, just casing 11 separates with gear ring, stator winding 12 and rotor 13 there occurs change with the relative position of deceleration unit 2, composition graphs 1, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, described wheel limit power drive system, comprises wheel motor unit 1, deceleration unit 2, brake equipment 3 and wheel 4.Wherein, wheel motor unit 1, deceleration unit 2, brake equipment 3 and wheel 4 are coaxially arranged; Wheel motor unit 1, deceleration unit 2 are arranged in the lateral surface of wheel 4, and brake equipment 3 is arranged in the medial surface of wheel 4.
Described wheel motor unit 1 comprises casing 11, stator winding 12, rotor 13, end cap 14, cooling fan 15 and the fluted disc 30 with gear ring 301.Wherein, casing 11, stator winding 12, rotor 13, end cap 14, cooling fan 15 and fluted disc 30 are coaxially arranged on steering stub axle 42; Fluted disc 30 engages with first planet gear 22, second planetary wheel 23 and third planet gear 24; Stator winding 12 outer ring is fixed on casing 11, and rotor 13 and sun wheel 21 pass through spline joint; Cooling fan 15 is arranged in the lateral surface of stator winding 12 and rotor 13, and described cooling fan 15 is fixedly connected with rotor 13, and rotor 13 drives cooling fan 15 to rotate, and what realize wheel motor unit 1 is air-cooled; End cap 14 is arranged on the lateral surface of cooling fan 15, is fixedly connected with steering stub axle 42.
Described deceleration unit 2 comprises sun wheel 21, the first row star-wheel 22, second satellite gear 23, the third line star-wheel 24, planetary gear carrier 25, rebound 26, first planet gear wheel shaft 27, second compensating-gear shaft 28 and third planet gear wheel shaft 29.Wherein, sun wheel 21, the first row star-wheel 22, second satellite gear 23, the third line star-wheel 24 are arranged into inside rotor 13 inner ring, reduce axial location size.
Embodiment 3
Other structure is with embodiment 1 or embodiment 2, and just the arrangement of power lead 44 there occurs change.Composition graphs 9, when power lead 44 adopts disposed outside scheme, needs to arrange power lead leading-off rods 441, power lead connector 442, power lead guiding flexible pipe 443 and power lead connector 444.Wherein, power lead leading-off rods 441 one end is fixedly connected with motor housing, other end fixed power source line connector 442; Power lead guiding flexible pipe 443 one end is connected with power lead connector 442, and the other end is connected to vehicle body by power lead connector 444; Motor stator power lead is drawn by stator top, and by power lead leading-off rods 441, power lead connector 442, power lead guiding flexible pipe 443 and power lead connector 444 are connected to electric machine controller.
Embodiment 4
Other structure, with embodiment 1 or embodiment 2, takes out deceleration unit 2, and the type of drive of stator winding 12 and rotor 13 there occurs change simultaneously.In conjunction with Figure 10, Figure 11 and Figure 12, when stator winding 12 and rotor 13 adopt another type of drive, need to arrange rotor 13, stator winding 12, the first rotor support 131, second rotor field spider 132, key 421, tie bolt 261 and 262.Wherein, stator winding 12 is fixed on steering stub axle 42 by key 421; The concentric circles that rotor 13 is arranged in stator winding 12 is outside, is fixedly connected with respectively with the first rotor support 131 with the second rotor field spider 132; The first rotor support 131 is connected by bearing with steering stub axle 42 respectively with the second rotor field spider 132, and the second rotor field spider 132 is connected by tie bolt 261 with rebound 26, and rebound 26 is fixedly connected with by tie bolt 262 with radial plate rim 41.
Above-described embodiment is only for illustration of the utility model; wherein the structure, connection mode etc. of each parts all can change to some extent; every equivalents of carrying out on the technical solution of the utility model basis and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (9)
1. take turns a limit power drive system, it is characterized in that: comprise wheel motor unit (1), deceleration unit (2), brake equipment (3) and wheel (4); Wherein, wheel motor unit (1), deceleration unit (2), brake equipment (3) and wheel (4) is coaxial arranges mutually; Wheel motor unit (1), deceleration unit (2) are arranged in the lateral surface of wheel (4), and brake equipment (3) is arranged on the medial surface of wheel (4).
2. one wheel limit according to claim 1 power drive system, is characterized in that: described wheel motor unit (1) comprises casing (11), stator winding (12), rotor (13), end cap (14) and cooling fan (15); Wherein, casing (11), stator winding (12), rotor (13), end cap (14) and cooling fan (15) are coaxially arranged on steering stub axle (42); Casing (11) one end is internally toothed annulus (111), and described internally toothed annulus (111) engages with first planet gear (22), the second planetary wheel (23) and third planet gear (24); Stator winding (12) is fixed in casing (11), and rotor (13) is arranged in stator winding (12) and passes through spline joint with sun wheel (21); Cooling fan (15) is arranged on the lateral surface of stator winding (12) and rotor (13), and described cooling fan (15) is fixedly connected with rotor (13), and rotor (13) drives cooling fan (15) to rotate, and what realize wheel motor unit (1) is air-cooled; End cap (14) is arranged on the lateral surface of cooling fan (15).
3. one wheel limit according to claim 1 power drive system, is characterized in that: described wheel motor unit (1) comprises casing (11), stator winding (12), rotor (13), end cap (14), cooling fan (15) and the fluted disc (30) with gear ring (301); Wherein, casing (11), stator winding (12), rotor (13), end cap (14), cooling fan (15) and fluted disc (30) are coaxially arranged on steering stub axle (42); Fluted disc (30) engages with first planet gear (22), the second planetary wheel (23) and third planet gear (24); Stator winding (12) outer ring is fixed on casing (11), and rotor (13) and sun wheel (21) pass through spline joint; Cooling fan (15) is arranged in the lateral surface of stator winding (12) and rotor (13), and described cooling fan (15) is fixedly connected with rotor (13), and rotor (13) drives cooling fan (15) to rotate, and what realize wheel motor unit (1) is air-cooled; End cap (14) is arranged on the lateral surface of cooling fan (15), is fixedly connected with steering stub axle (42).
4. one wheel limit according to claim 1 power drive system, is characterized in that: described deceleration unit (2) comprises sun wheel (21), the first row star-wheel (22), the second satellite gear (23), the third line star-wheel (24), planetary gear carrier (25), rebound (26), first planet gear wheel shaft (27), the second compensating-gear shaft (28) and third planet gear wheel shaft (29); Wherein, sun wheel (21) outer ring, one end is connected with rotor (13) inner ring by spline, inner ring is connected with steering stub axle (42) by bearing (45), the other end of sun wheel (21) is gear structure, is connected with a joggle respectively with the first row star-wheel (22), the second satellite gear (23), the third line star-wheel (24); Described the first row star-wheel (22), the second satellite gear (23) and the third line star-wheel (24) are arranged on planetary gear carrier (25) respectively by first planet gear wheel shaft (27), the second compensating-gear shaft (28) and third planet gear wheel shaft (29), and described the first row star-wheel (22), the second satellite gear (23) and the third line star-wheel (24) engage with sun wheel (21) and casing (11) internally toothed annulus (111) respectively; Described planetary gear carrier (25) is fixedly connected with rebound (26), and first planet gear wheel shaft (27), the second compensating-gear shaft (28) and third planet gear wheel shaft (29) are fixed, for installing planetary wheel in the side of planetary gear carrier (25); Described rebound (26) is arranged between planetary gear carrier (25) and radial plate rim (41), respectively and is fixedly connected with radial plate rim (41) with planetary gear carrier (25).
5. one wheel limit according to claim 1 power drive system, is characterized in that: described deceleration unit (2) comprises sun wheel (21), the first row star-wheel (22), the second satellite gear (23), the third line star-wheel (24), planetary gear carrier (25), rebound (26), first planet gear wheel shaft (27), the second compensating-gear shaft (28) and third planet gear wheel shaft (29); Wherein, sun wheel (21), the first row star-wheel (22), the second satellite gear (23), the third line star-wheel (24) are arranged into inside rotor (13) inner ring, reduce axial location size.
6. one wheel limit according to claim 1 power drive system, is characterized in that: described brake equipment (3) is air-pressure disc brake, coaxially installs with wheel (4), and air chamber is arranged into the medial surface of wheel (4), can replace with drum brake mechanism.
7. one wheel limit according to claim 1 power drive system, is characterized in that: described wheel (4) comprises radial plate rim (41), steering stub axle (42), steering swivel (43) and power lead (44); Wherein, radial plate rim (41) and rebound (26) are bolted; Steering stub axle (42) is through electric motor units (1), deceleration unit (2), brake equipment (3) and wheel (4), described steering stub axle (42) axial centre has hole (421), and power lead (44) passes from hole (421), one end is connected with electric machine controller, the other end is connected with stator winding (12).
8. one wheel limit according to claim 4 power drive system, it is characterized in that: when power lead (44) adopts disposed outside scheme, need to arrange power lead leading-off rods (441), power lead connector (442), power lead guiding flexible pipe (443) and power lead connector (444); Wherein, power lead leading-off rods (441) one end is fixedly connected with motor housing, other end fixed power source line connector (442); Power lead guiding flexible pipe (443) one end is connected with power lead connector (442), and the other end is connected to vehicle body by power lead connector (444); Motor stator power lead is drawn by stator top, and by power lead leading-off rods (441), power lead connector (442), power lead guiding flexible pipe (443) and power lead connector (444) are connected to electric machine controller.
9. the one wheel limit power drive system according to Claims 2 or 3, it is characterized in that: when stator winding (12) and rotor (13) adopt another type of drive, need to arrange rotor (13), stator winding (12), the first rotor support (131), second rotor field spider (132), key (421), tie bolt (261,262); Wherein, stator winding (12) is fixed on steering stub axle (42) by key (421); Rotor (13) be arranged in the concentric circles of stator winding (12) outside, be fixedly connected with the second rotor field spider (132) with the first rotor support (131) respectively; Described the first rotor support (131) is connected by bearing with steering stub axle (42) respectively with the second rotor field spider (132), second rotor field spider (132) is connected by tie bolt (261) with rebound (26), and rebound (26) is fixedly connected with by tie bolt (262) with radial plate rim (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520787408.8U CN205033933U (en) | 2015-10-12 | 2015-10-12 | Wheel limit power drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520787408.8U CN205033933U (en) | 2015-10-12 | 2015-10-12 | Wheel limit power drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205033933U true CN205033933U (en) | 2016-02-17 |
Family
ID=55292858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520787408.8U Expired - Fee Related CN205033933U (en) | 2015-10-12 | 2015-10-12 | Wheel limit power drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205033933U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105150827A (en) * | 2015-10-12 | 2015-12-16 | 长春孔辉汽车科技股份有限公司 | Electric wheel-side drive system |
| CN106685139A (en) * | 2017-01-20 | 2017-05-17 | 重庆大学 | Drive assembly of multi-stage fixed rotor combined wheel-sided reduction |
-
2015
- 2015-10-12 CN CN201520787408.8U patent/CN205033933U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105150827A (en) * | 2015-10-12 | 2015-12-16 | 长春孔辉汽车科技股份有限公司 | Electric wheel-side drive system |
| CN106685139A (en) * | 2017-01-20 | 2017-05-17 | 重庆大学 | Drive assembly of multi-stage fixed rotor combined wheel-sided reduction |
| CN106685139B (en) * | 2017-01-20 | 2020-06-12 | 重庆大学 | Multistage stator-rotor combined wheel edge speed reduction drive assembly |
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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 |
Granted publication date: 20160217 Termination date: 20181012 |
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| CF01 | Termination of patent right due to non-payment of annual fee |