CN201613819U - Speed reduction and differential integrated rear axle assembly of electric vehicle - Google Patents
Speed reduction and differential integrated rear axle assembly of electric vehicle Download PDFInfo
- Publication number
- CN201613819U CN201613819U CN2010201351977U CN201020135197U CN201613819U CN 201613819 U CN201613819 U CN 201613819U CN 2010201351977 U CN2010201351977 U CN 2010201351977U CN 201020135197 U CN201020135197 U CN 201020135197U CN 201613819 U CN201613819 U CN 201613819U
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- deceleration
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Abstract
The utility model discloses a speed reduction and differential integrated rear axle assembly of an electric vehicle and relates to a motor-speed reducer-differential-rear axle integrated assembly of the electric vehicle, which is applicable to rear axle drive systems of trucks, passenger cars, electric three-wheeled vehicles, electric four-wheeled vehicles and the like, and consists of a motor, a speed reducer, a differential, a speed reduction-differential box body and a rear axle, wherein the rear axle comprises a rear axle bridge, a driving half axle I, a driving half axle II, a brake fixing plate I, a brake fixing plate II, a brake block, a brake cam, a hub I and a hub II; the speed reduction-differential box body is mounted on the rear axle bridge and fixed by adopting a screw; the speed reducer comprises a speed reduction gear shaft, a large speed reduction transition gear and a small speed reduction transition gear; the differential comprises a differential housing, a large differential gear, a planetary gear I, a planetary gear II, a planetary gear shaft, a spline gear I, a spline gear II and a bearing V; and the differential housing is mounted at the lower part of the speed reduction-differential box body through the bearing V and a bearing seat, and the large differential gear is arranged outside the differential housing.
Description
Technical field
What the utility model battery-driven car slowed down, differential integrated rear axle assembly relates to is a kind of electric vehicle motor, retarder, diff, the integrated assembly of back axle, is applicable to back axle driving systems such as shipping, passenger traffic, electric three-wheel, electric four-wheel vehicle.
Background technology
Present commercially available battery-driven car speed change system is that electrical motor is from the band portion change-speed box, transmission output shaft passes through sprocket wheel again, chain, tween drive spindle, the middle transition sprocket wheel, driving chain, be transferred to back axle transmission trailing wheel imput shaft by two stage speed change, drive battery-driven car, have the following disadvantages: need increase sprocket wheel by the secondary speed change, chain, the middle transition transmission shaft, drive disk assemblies such as middle transition sprocket wheel are transmission trailing wheel imput shaft again, the manufacturing cost height, the parts frictional loss is big in the transmission process, driving chain comes off from sprocket wheel easily, defeated turnout loss is big, the maintenance trouble, car load repair rate height.
Summary of the invention
The utility model purpose is to provide a kind of battery-driven car deceleration, differential integrated rear axle assembly at weak point, electrical motor, retarder, diff, back axle are arranged to one, reduce other drive disk assemblies, electrical motor directly is connected with retarder, retarder is connected, passes through diff again with diff planetary wheel one, planetary wheel two, spline gear one, spline gear two pass through two-semiaxle transmission two trailing wheels, drive battery-driven car.Planetary gear differential conversion when electro-tricycle is turned in the diff is convenient to safety and is turned to.Battery-driven car, the horsepower output loss is little, and is simple in structure, compactness, long service life is convenient to maintenance.
Battery-driven car slows down, differential integrated rear axle assembly is to take following technical scheme to realize:
Battery-driven car slows down, differential integrated rear axle assembly is made up of electrical motor, retarder, diff, deceleration differential casing and back axle.
Back axle comprises rear axle stand, semiaxis one, semiaxis two, brake adapter plate one, brake adapter plate two, brake shoes, brake cam, wheel hub one and wheel hub two.Be respectively arranged with bridge tube one, bridge tube two in the rear axle stand both sides, brake adapter plate one is housed in bridge tube one outside, brake adapter plate two is housed in bridge tube two outsides.Described brake adapter plate one and brake adapter plate two all are equipped with two brake shoes, and two brake shoes are contained on the brake adapter plate by the brake locating dowel pin, and the brake projection is housed between two brake shoes.Semiaxis one is provided with spline with semiaxis 21 ends, semiaxis one is installed in the bridge tube one by bearing one, semiaxis two is installed in the bridge tube two by bearing two, semiaxis one is provided with spline with semiaxis 21 ends, dress is inserted deceleration differential casing both sides respectively, match with the spline that is provided with in the bore of spline gear one, spline gear two respectively, semiaxis one is equipped with wheel hub one, wheel hub two respectively with semiaxis two other ends.Described wheel hub one, wheel hub two are sleeved on two brake shoes outsides, make brake drum simultaneously.Described wheel hub one, wheel hub two are equipped with rear wheel respectively.
The deceleration differential casing is installed on the rear axle stand, adopts screw retention.Retarder comprises deceleration tooth axle, deceleration transition big gear wheel and deceleration transition miniature gears; Deceleration tooth axle is provided with reduction pinion teeth, deceleration tooth axle is installed in deceleration differential casing top by bearing three, deceleration transition big gear wheel and deceleration transition miniature gears are dual gear, double crosslinking gear shaft is installed on the deceleration differential casing by bearing four, be provided with plunging joint at reducing gear axle one end, motor mounting is in deceleration differential casing top one side, the motor output shaft end passes through plunging joint, link to each other with deceleration tooth shaft end, reduction pinion teeth and the engagement of deceleration transition big gear wheel, deceleration transition miniature gears and the engagement of diff big gear wheel.
Diff comprises differential casing, diff big gear wheel, planetary wheel one, planetary wheel two, compensating-gear shaft, spline gear one, spline gear two and bearing five.Differential casing is installed in the deceleration differential lower box by bearing five, bearing seat, the differential casing outer setting has the diff big gear wheel, compensating-gear shaft is installed in the differential casing, planetary wheel one, planetary wheel two are set on the compensating-gear shaft two ends, spline gear one is installed in the left and right sides in the differential casing respectively with spline gear two, spline gear one is formed box of tricks with planetary wheel one, planetary wheel two engagements respectively with spline gear two, is provided with splined hole in the gear of spline gear one and spline gear two.Described planetary wheel one, planetary wheel two, spline gear one and spline gear two are crowngear (conical gear).
In the described deceleration differential casing lubricating oil or grease are housed.
Principle of work:
Diff in battery-driven car deceleration, the differential integrated rear axle assembly is a differential gear train, a rotation is decomposed into two rotations, making two rear wheel rotation speed of pure rolling on the ground for two trailing wheels about keeping when battery-driven car is turned should be different, and rotating speed is directly proportional with the radius of the bend of walking separately.When battery-driven car is kept straight on, there is not relative motion between planet circular system.
The motor output shaft outputting power links to each other with deceleration tooth axle by motor output shaft connection device, pass through reduction pinion teeth, transition big gear wheel, transition miniature gears, diff big gear wheel double reduction, drive two trailing wheels through planetary wheel one, planetary wheel two, spline gear one, spline gear two respectively by semiaxis one, semiaxis two again, battery-driven car is travelled.When electro-tricycle was turned, two trailing wheels are stressed not to be waited, the planetary gear differential conversion in the diff, and diff output difference rotating speed turns to electrical motor flexibly safely.
The utility model battery-driven car slows down, differential integrated rear axle assembly is reasonable in design, simple in structure, compact, volume is little, with electrical motor, retarder, diff, back axle is arranged to one, reduced chain, sprocket wheel, chain pulley seat, drive disk assemblies such as transition driving gearshaft, electrical motor directly links to each other with retarder, the through-coupling diff, the two-semiaxle of transmission back axle, drive two trailing wheels, battery-driven car is travelled, pass through retarder, the diff speed change, rev down behind the differential, increase moment of torsion, driving torque is big, stable drive significantly reduces the gearing friction consume, and the horsepower output loss is little, long service life is convenient to maintenance.And, when turning, electro-tricycle, guarantees steering safety, reliable, stable by the planetary gear differential conversion in the diff.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing:
Fig. 1 is that battery-driven car slows down, the differential integrated rear axle assembly scheme drawing.
Fig. 2 is battery-driven car deceleration, the retarder of differential integrated rear axle assembly, differential design scheme drawing.
The specific embodiment
With reference to accompanying drawing 1,2, battery-driven car slows down, differential integrated rear axle assembly is made up of electrical motor 13, retarder, diff, deceleration differential casing 8 and back axle.
Back axle comprises rear axle stand 7, semiaxis 1, semiaxis 2 23, brake adapter plate 1, brake adapter plate 2 26, brake shoes, brake cam, wheel hub 1 and wheel hub 2 27.Be respectively arranged with bridge tube 1, bridge tube 2 24 in rear axle stand 7 both sides, brake adapter plate 1 is housed in bridge tube one 6 outsides, brake adapter plate 2 27 is housed in bridge tube 2 24 outsides.Described brake adapter plate 1 and brake adapter plate 2 27 all are equipped with two brake shoes, and two brake shoes are contained on the brake adapter plate by the brake locating dowel pin, and the brake projection is housed between two brake shoes.Semiaxis 1 is provided with spline 28 with semiaxis 2 23 1 ends, semiaxis 1 is installed in the bridge tube 1 by bearing 1, semiaxis 2 23 is installed in the bridge tube 2 24 by bearing 2 25, semiaxis 1 is provided with spline 28 with semiaxis 2 23 1 ends, dress is inserted deceleration differential casing 8 both sides respectively, match with the spline that is provided with in the bore of spline gear 1, spline gear 2 19 respectively, semiaxis 1 is equipped with wheel hub 1, wheel hub 2 27 respectively with semiaxis 2 23 other ends.
Described wheel hub 1, wheel hub 2 27 are equipped with rear wheel respectively.
Described wheel hub 1, wheel hub 2 27 are sleeved on two brake shoes outsides and make brake drum simultaneously.
Described bridge tube 1, bridge tube 22 outer ends are equipped with seal ring 4 respectively.
Deceleration differential casing 8 is installed on the rear axle stand 7, adopts screw retention.Between deceleration differential casing 8 and rear axle stand 7, packing seal 31 is housed.Retarder comprises deceleration tooth axle 11, deceleration transition big gear wheel 12 and deceleration transition miniature gears 14; Deceleration tooth axle 11 is provided with reduction pinion teeth 10, deceleration tooth axle 11 is installed in deceleration differential casing 8 tops by bearing 39, deceleration transition big gear wheel 12 is a dual gear with deceleration transition miniature gears 14, double crosslinking gear shaft 15 is installed on the deceleration differential casing 8 by bearing 4 16, be provided with plunging joint 32 at reducing gear axle 11 1 ends, electrical motor 13 is installed in deceleration differential casing top one side, electrical motor 13 output axle heads are by plunging joint 31, link to each other with deceleration tooth shaft end 11, reduction pinion teeth 10 and 12 engagements of deceleration transition big gear wheel, deceleration transition miniature gears 14 and 17 engagements of diff big gear wheel.
Diff comprises differential casing 30, diff big gear wheel 17, planetary wheel 1, planetary wheel 2 21, compensating-gear shaft 20, spline gear 1, spline gear 2 22 and bearing 5 29.Differential casing 30 is by bearing 5 29, bearing seat is installed in deceleration differential casing 8 bottoms, differential casing 30 outer setting have diff big gear wheel 17, compensating-gear shaft 20 is installed in the differential casing 30, planetary wheel 1, planetary wheel 2 21 is set on compensating-gear shaft 20 two ends, spline gear 1 is installed in the left and right sides in the differential casing 30 respectively with spline gear 2 22, spline gear 1 and spline gear 2 22 respectively with planetary wheel 1, box of tricks is formed in planetary wheel 2 21 engagements, is provided with splined hole in the gear of spline gear 1 and spline gear 2 21.
Described planetary wheel 1, planetary wheel 2 21, spline gear 1 and spline gear 2 22 are crowngear (conical gear).
In the described deceleration differential casing 8 lubricating oil or grease are housed.
Claims (7)
- A battery-driven car slow down, differential integrated rear axle assembly, it is characterized in that forming by electrical motor, retarder, diff, deceleration differential casing, back axle;Back axle comprises rear axle stand, semiaxis one, semiaxis two, brake adapter plate one, brake adapter plate two, brake shoes, brake cam, wheel hub one and wheel hub two; Be respectively arranged with bridge tube one, bridge tube two in the rear axle stand both sides, brake adapter plate one is housed in bridge tube one outside, brake adapter plate two is housed in bridge tube two outsides, described brake adapter plate one and brake adapter plate two all are equipped with two brake shoes, two brake shoes are contained on the brake adapter plate by the brake locating dowel pin, and the brake projection is housed between two brake shoes; Semiaxis one is provided with spline with semiaxis 21 ends, semiaxis one is installed in the bridge tube one by bearing one, semiaxis two is installed in the bridge tube two by bearing two, semiaxis one is provided with spline with semiaxis 21 ends, dress is inserted deceleration differential casing both sides respectively, match with the spline that is provided with in the bore of spline gear one, spline gear two respectively, semiaxis one is equipped with wheel hub one, wheel hub two respectively with semiaxis two other ends;The deceleration differential casing is installed on the rear axle stand, adopts screw retention; Retarder comprises deceleration tooth axle, deceleration transition big gear wheel and deceleration transition miniature gears; Deceleration tooth axle is provided with reduction pinion teeth, deceleration tooth axle is installed in deceleration differential casing top by bearing three, deceleration transition big gear wheel and deceleration transition miniature gears are dual gear, double crosslinking gear shaft is installed on the deceleration differential casing by bearing four, be provided with plunging joint at reducing gear axle one end, motor mounting is in deceleration differential casing top one side, the motor output shaft end passes through plunging joint, link to each other with deceleration tooth shaft end, reduction pinion teeth and the engagement of deceleration transition big gear wheel, deceleration transition miniature gears and the engagement of diff big gear wheel;Diff comprises differential casing, diff big gear wheel, planetary wheel one, planetary wheel two, compensating-gear shaft, spline gear one, spline gear two and bearing five; Differential casing is installed in the deceleration differential lower box by bearing five, bearing seat, the differential casing outer setting has the diff big gear wheel, compensating-gear shaft is installed in the differential casing, planetary wheel one, planetary wheel two are set on the compensating-gear shaft two ends, spline gear one is installed in the left and right sides in the differential casing respectively with spline gear two, spline gear one is formed box of tricks with planetary wheel one, planetary wheel two engagements respectively with spline gear two, is provided with splined hole in the gear of spline gear one and spline gear two.
- 2. battery-driven car according to claim 1 slows down, differential integrated rear axle assembly, it is characterized in that described wheel hub one, wheel hub two are sleeved on two brake shoes outsides, make brake drum simultaneously.
- 3. battery-driven car according to claim 1 slows down, differential integrated rear axle assembly, it is characterized in that described planetary wheel one, planetary wheel two, spline gear one and spline gear two are crowngear.
- 4. battery-driven car according to claim 1 slows down, differential integrated rear axle assembly, it is characterized in that in the described deceleration differential casing lubricating oil or grease being housed.
- 5. battery-driven car according to claim 1 slows down, differential integrated rear axle assembly, it is characterized in that described wheel hub one, wheel hub two are equipped with rear wheel respectively.
- 6. battery-driven car according to claim 1 slows down, differential integrated rear axle assembly, it is characterized in that described bridge tube one, bridge tube two outer ends are equipped with seal ring respectively.
- 7. battery-driven car according to claim 1 slows down, differential integrated rear axle assembly, it is characterized in that between deceleration differential casing and rear axle stand packing seal being housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201351977U CN201613819U (en) | 2010-03-19 | 2010-03-19 | Speed reduction and differential integrated rear axle assembly of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201351977U CN201613819U (en) | 2010-03-19 | 2010-03-19 | Speed reduction and differential integrated rear axle assembly of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201613819U true CN201613819U (en) | 2010-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201351977U Expired - Lifetime CN201613819U (en) | 2010-03-19 | 2010-03-19 | Speed reduction and differential integrated rear axle assembly of electric vehicle |
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|---|---|
| CN (1) | CN201613819U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786416A (en) * | 2010-03-19 | 2010-07-28 | 薛建南 | Electric vehicle deceleration and differential integrated rear axle assembly |
| CN103692909A (en) * | 2013-12-18 | 2014-04-02 | 盐城工学院 | Power transmission device for Torsen differential |
| CN103738166A (en) * | 2013-12-31 | 2014-04-23 | 南车戚墅堰机车车辆工艺研究所有限公司 | Transmission system for electric vehicle |
| CN104114397A (en) * | 2012-02-15 | 2014-10-22 | F·波尔希名誉工学博士公司 | Drive train of a purely electrically drivable motor vehicle |
| CN104728407A (en) * | 2015-03-25 | 2015-06-24 | 绍兴金道齿轮箱有限公司 | Electric fork-lift truck, axle box and axle arm installing structure |
| CN104728403A (en) * | 2015-03-25 | 2015-06-24 | 绍兴金道齿轮箱有限公司 | Electric fork-lift truck, axle box and transmission mechanism thereof |
| WO2015139913A1 (en) * | 2014-03-19 | 2015-09-24 | Zf Friedrichshafen Ag | Rigid axle arrangement having an axle beam which extends in the vehicle transverse direction |
| CN103738166B (en) * | 2013-12-31 | 2016-11-30 | 南车戚墅堰机车车辆工艺研究所有限公司 | A kind of transmission system for electric vehicle |
| CN108674162A (en) * | 2018-05-31 | 2018-10-19 | 汽解放汽车有限公司 | A kind of axle assembly of Dual-motors Driving |
| WO2020035227A1 (en) * | 2018-08-14 | 2020-02-20 | Zf Friedrichshafen Ag | Drivable axle for a vehicle |
| CN111606254A (en) * | 2020-06-19 | 2020-09-01 | 苏州盛亿电机有限公司 | Double-driving wheel power device of electric carrier |
-
2010
- 2010-03-19 CN CN2010201351977U patent/CN201613819U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786416B (en) * | 2010-03-19 | 2012-12-26 | 薛建南 | Electric vehicle deceleration and differential integrated rear axle assembly |
| CN101786416A (en) * | 2010-03-19 | 2010-07-28 | 薛建南 | Electric vehicle deceleration and differential integrated rear axle assembly |
| CN104114397B (en) * | 2012-02-15 | 2017-08-11 | F·波尔希名誉工学博士公司 | Pure electric power can drive the PWTN of motor vehicles |
| CN104114397A (en) * | 2012-02-15 | 2014-10-22 | F·波尔希名誉工学博士公司 | Drive train of a purely electrically drivable motor vehicle |
| CN103692909A (en) * | 2013-12-18 | 2014-04-02 | 盐城工学院 | Power transmission device for Torsen differential |
| CN103738166A (en) * | 2013-12-31 | 2014-04-23 | 南车戚墅堰机车车辆工艺研究所有限公司 | Transmission system for electric vehicle |
| CN103738166B (en) * | 2013-12-31 | 2016-11-30 | 南车戚墅堰机车车辆工艺研究所有限公司 | A kind of transmission system for electric vehicle |
| WO2015139913A1 (en) * | 2014-03-19 | 2015-09-24 | Zf Friedrichshafen Ag | Rigid axle arrangement having an axle beam which extends in the vehicle transverse direction |
| CN104728403A (en) * | 2015-03-25 | 2015-06-24 | 绍兴金道齿轮箱有限公司 | Electric fork-lift truck, axle box and transmission mechanism thereof |
| CN104728407A (en) * | 2015-03-25 | 2015-06-24 | 绍兴金道齿轮箱有限公司 | Electric fork-lift truck, axle box and axle arm installing structure |
| CN104728407B (en) * | 2015-03-25 | 2017-11-07 | 绍兴金道齿轮箱有限公司 | Electri forklift, bridge case and its axle arm mounting structure |
| CN108674162A (en) * | 2018-05-31 | 2018-10-19 | 汽解放汽车有限公司 | A kind of axle assembly of Dual-motors Driving |
| WO2020035227A1 (en) * | 2018-08-14 | 2020-02-20 | Zf Friedrichshafen Ag | Drivable axle for a vehicle |
| US11919380B2 (en) | 2018-08-14 | 2024-03-05 | Zf Friedrichshafen Ag | Drivable axle for a vehicle |
| CN111606254A (en) * | 2020-06-19 | 2020-09-01 | 苏州盛亿电机有限公司 | Double-driving wheel power device of electric carrier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101027 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |