CN101786416B - Electric vehicle deceleration and differential integrated rear axle assembly - Google Patents
Electric vehicle deceleration and differential integrated rear axle assembly Download PDFInfo
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- CN101786416B CN101786416B CN 201010127539 CN201010127539A CN101786416B CN 101786416 B CN101786416 B CN 101786416B CN 201010127539 CN201010127539 CN 201010127539 CN 201010127539 A CN201010127539 A CN 201010127539A CN 101786416 B CN101786416 B CN 101786416B
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Abstract
The invention relates to an electric vehicle reduction and differentiation integrated rear axle assembly which is an integrated assembly of a motor, a reducing mechanism, a differential mechanism and a rear axle of an electric vehicle. The integrated assembly is applied to rear axle drive systems of freight vehicles, passenger vehicles, electric three-wheeled vehicles, electric four-wheeled vehicles and the like. The integrated assembly comprises the motor, the reducing mechanism, the differential mechanism, a reduction and differential case and the rear axle. The rear axle comprises a rear axle stand, a first drive half-axle, a second drive half-axle, a first braking fixed plate, a second braking fixed plate, a brake block, a brake cam, a first hub and a second hub. The reduction and differential case is installed on the rear axle stand and is fixed by screws; the reducing mechanism comprises a reducing gear shaft, a reduction transition gear and a reduction transition pinion; and the differential mechanism comprises a differential mechanism housing, a differential gear, a first satellite gear, a second satellite gear, a satellite gear shaft, a first spline gear, a second spline gear and a fifth bearing. The differential mechanism housing is installed below the reduction and differential case through the fifth bearing and a bearing support, and the differential gear is arranged outside the differential mechanism housing.
Description
Technical field
What battery-driven car of the present invention 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 passes through sprocket wheel again from band portion change-speed box, transmission output shaft, and chain, tween drive spindle, middle transition sprocket wheel, driving chain are transferred to back axle transmission trailing wheel imput shaft through two stage speed change; Drive battery-driven car; Have following weak point: need increase drive disk assemblies such as sprocket wheel, chain, middle transition transmission shaft, middle transition sprocket wheel transmission trailing wheel imput shaft again through the secondary speed change, manufacturing cost is high, and 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, and the car load repair rate is high.
Summary of the invention
The present invention seeks to provides a kind of battery-driven car deceleration, differential integrated rear axle assembly to weak point; Electrical motor, retarder, diff, back axle are arranged to one; Reduce other drive disk assemblies; Electrical motor directly is connected with retarder, and 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.Said brake adapter plate one all is equipped with two brake shoes with brake adapter plate two, and two brake shoes are contained on the brake adapter plate through 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 through bearing one; Semiaxis two is installed in the bridge tube two through bearing two, and semiaxis one is provided with spline with semiaxis 21 ends, and dress is inserted deceleration differential casing both sides respectively; Respectively with the bore of spline gear one, spline gear two in the spline that is provided with match, semiaxis one is equipped with wheel hub one, wheel hub two respectively with semiaxis two other ends.It is outside that said wheel hub one, wheel hub two are sleeved on two brake shoes, makes brake drum simultaneously.Said 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 through bearing three, and deceleration transition big gear wheel and deceleration transition miniature gears are dual gear, and double crosslinking gear shaft is installed on the deceleration differential casing through bearing four; Be provided with plunging joint at reducing gear axle one end; Motor mounting is one side on deceleration differential casing top, and the motor output shaft end links to each other with deceleration tooth shaft end through plunging joint; 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 through 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 and spline gear two are installed in the left and right sides in the differential casing respectively, and spline gear one is formed boxs 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 said 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; When battery-driven car is turned, making two rear wheel rotation speed of pure rolling on the ground for two trailing wheels about keeping 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 joins device through motor output shaft and links to each other with deceleration tooth axle; 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 through semiaxis one, semiaxis two again, make electric vehicle running.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.
Battery-driven car of the present invention slows down, differential integrated rear axle assembly is reasonable in design, simple in structure, compact, volume is little, and electrical motor, retarder, diff, back axle are arranged to one; Reduced drive disk assemblies such as chain, sprocket wheel, chain pulley seat, transition driving gearshaft, electrical motor directly links to each other with retarder, the two-semiaxle of through-coupling diff, transmission back axle; Drive two trailing wheels, make electric vehicle running, through rev down behind retarder, diff speed change, the differential; Increase moment of torsion, driving torque is big, stable drive, significantly reduces the gearing friction consume; The horsepower output loss is little, and long service life is convenient to maintenance.And,, electro-tricycle, guarantees steering safety, reliable, stable when turning through the planetary gear differential conversion in the diff.
Description of drawings
Below will combine accompanying drawing that the present invention is described further:
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.Said brake adapter plate 1 all is equipped with two brake shoes with brake adapter plate 2 27, and two brake shoes are contained on the brake adapter plate through 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 through bearing 1; Semiaxis 2 23 is installed in the bridge tube 2 24 through bearing 2 25, and semiaxis 1 is provided with spline 28 with semiaxis 2 23 1 ends, and dress is inserted deceleration differential casing 8 both sides respectively; Respectively with the bore of spline gear 1, spline gear 2 19 in the spline that is provided with match, semiaxis 1 is equipped with wheel hub 1, wheel hub 2 27 respectively with semiaxis 2 23 other ends.
Said wheel hub 1, wheel hub 2 27 are equipped with rear wheel respectively.
Said wheel hub 1, wheel hub 2 27 are sleeved on two brake shoes outsides and make brake drum simultaneously.
Said 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 through bearing 39, and deceleration transition big gear wheel 12 is a dual gear with deceleration transition miniature gears 14, and double crosslinking gear shaft 15 is installed on the deceleration differential casing 8 through 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, and electrical motor 13 output axle heads link to each other with deceleration tooth shaft end 11 through plunging joint 31; 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 installed in deceleration differential casing 8 bottoms through bearing 5 29, bearing seat; 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 are set on compensating-gear shaft 20 two ends; Spline gear 1 and spline gear 2 22 are installed in the left and right sides in the differential casing 30 respectively, and spline gear 1 is formed boxs of tricks with planetary wheel 1, planetary wheel 2 21 engagements respectively with spline gear 2 22, 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 said 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; Said brake adapter plate one all is equipped with two brake shoes with brake adapter plate two, and two brake shoes are contained on the brake adapter plate through the brake locating dowel pin, and the brake projection is housed between two brake shoes; Semiaxis one is installed in the bridge tube one through bearing one; Semiaxis two is installed in the bridge tube two through bearing two; Semiaxis one is provided with spline with semiaxis 21 ends; Dress is inserted deceleration differential casing both sides respectively, respectively with the bore of spline gear one, spline gear two in the spline that is provided with match, 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 through bearing three, and deceleration transition big gear wheel and deceleration transition miniature gears are dual gear, and double crosslinking gear shaft is installed on the deceleration differential casing through bearing four; Be provided with plunging joint at reducing gear axle one end; Motor mounting is one side on deceleration differential casing top, and the motor output shaft end links to each other with deceleration tooth shaft end through plunging joint; 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 through 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 and spline gear two are installed in the left and right sides in the differential casing respectively, and spline gear one is formed boxs 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 said wheel hub one, that wheel hub two is sleeved on two brake shoes is outside, makes 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 said 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 said 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 said 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 |
|---|---|---|---|
| CN 201010127539 CN101786416B (en) | 2010-03-19 | 2010-03-19 | Electric vehicle deceleration and differential integrated rear axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010127539 CN101786416B (en) | 2010-03-19 | 2010-03-19 | Electric vehicle deceleration and differential integrated rear axle assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101786416A CN101786416A (en) | 2010-07-28 |
| CN101786416B true CN101786416B (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010127539 Expired - Fee Related CN101786416B (en) | 2010-03-19 | 2010-03-19 | Electric vehicle deceleration and differential integrated rear axle assembly |
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Families Citing this family (17)
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| EP2665160A1 (en) * | 2011-01-11 | 2013-11-20 | JTEKT Corporation | Device for transmitting driving force of motors |
| CN103158542B (en) * | 2013-03-25 | 2016-02-17 | 北京北方鸿瑞汽车技术有限公司 | Integrated motor rear-guard rear suspension mechanism |
| CN104088983B (en) * | 2014-07-25 | 2015-03-11 | 湖南农业大学 | Planetary gear type convex block slip limiting inter-axle differential for automobile |
| CN104088980B (en) * | 2014-07-25 | 2015-05-20 | 湖南农业大学 | Planetary gear speed-reducing type differential mechanism |
| CN107776399A (en) * | 2016-08-31 | 2018-03-09 | 东风德纳车桥有限公司 | A kind of electric axle assembly |
| CN107054031A (en) * | 2016-12-30 | 2017-08-18 | 浙江华洋赛车股份有限公司 | Electronic ATV motor integrations back axle |
| CN106740020A (en) * | 2017-02-16 | 2017-05-31 | 重庆大学 | Electric motor car deceleration, differential integrated driving rear axle assy |
| CN107379966A (en) * | 2017-07-31 | 2017-11-24 | 浙江联宜电机有限公司 | Heavy-Duty Drive-Axle |
| CN107599828A (en) * | 2017-09-13 | 2018-01-19 | 浙江硕智工贸有限公司 | For three-wheel or the rear-guard assembly of carriage rear wheel drive and bi-directional braking integration |
| CN108501696A (en) * | 2018-04-03 | 2018-09-07 | 浙江吉利控股集团有限公司 | A kind of electric drive rear axle assy for light medium sized 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 |
| CN108679172A (en) * | 2018-07-18 | 2018-10-19 | 樊朝晖 | A kind of coaxial straight line gear |
| CN109094363B (en) * | 2018-09-19 | 2024-04-05 | 安徽工程大学 | Rear axle driving system of electric vehicle and driving method thereof |
| CN112829516A (en) * | 2019-11-25 | 2021-05-25 | 立恩(廊坊)新能源科技有限公司 | Novel rear axle of electric vehicle |
| CN110843517A (en) * | 2019-12-23 | 2020-02-28 | 合肥海源机械有限公司 | Drive axle assembly with secondary speed reducer |
| CN111606253B (en) * | 2020-06-19 | 2024-06-25 | 苏州盛亿电机有限公司 | Double-driving-wheel power device of electric carrier |
| CN116039372A (en) * | 2023-01-28 | 2023-05-02 | 潍坊倍力汽车零部件有限公司 | Axle assembly comprising planetary reducer and electric automobile |
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| CN2398128Y (en) * | 1999-11-02 | 2000-09-27 | 高永法 | Rear axle assembly of electric motor tricycle |
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2010
- 2010-03-19 CN CN 201010127539 patent/CN101786416B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2398128Y (en) * | 1999-11-02 | 2000-09-27 | 高永法 | Rear axle assembly of electric motor tricycle |
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| Publication number | Publication date |
|---|---|
| CN101786416A (en) | 2010-07-28 |
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Granted publication date: 20121226 Termination date: 20180319 |