CN201784789U - Electric vehicle speed reducing integral rear axle assembly - Google Patents
Electric vehicle speed reducing integral rear axle assembly Download PDFInfo
- Publication number
- CN201784789U CN201784789U CN201020105428XU CN201020105428U CN201784789U CN 201784789 U CN201784789 U CN 201784789U CN 201020105428X U CN201020105428X U CN 201020105428XU CN 201020105428 U CN201020105428 U CN 201020105428U CN 201784789 U CN201784789 U CN 201784789U
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- Prior art keywords
- axle
- brake
- reducing gear
- rear axle
- retarder
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- Expired - Lifetime
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Abstract
The utility model discloses an electric vehicle speed reducing integral rear axle assembly, which relates to an integral assembly of an electric vehicle motor, a speed reducer and a rear axle and is applicable to rear axle transmission systems of freight, passenger and electric tricycles, quadricycles and the like. The electric vehicle speed reducing integral rear axle assembly comprises an electric motor, a speed reducer and a rear axle, the speed reducer is fixed onto the rear bridge, the electric motor is directly connected with the speed reducer, the rear axle includes a rear axle frame, a driving half shaft, a driven half shaft, a first brake fixing plate, a second brake fixing plate, a brake block, a brake cam, a rear driving wheel and a rear driven wheel, and the speed reducer includes a speed reducer casing, a motor output gear shaft, a first speed reducing gear, a second speed reducing gear, a speed reducing gear shaft, a third speed reducing gear and a speed reducer output shaft. The electric motor is directly connected with the speed reducer, and the speed reducer output shaft directly rotates the driving half shaft of the rear axle to drive the rear driving wheel so as to drive an electric vehicle to run. The electric vehicle speed reducing integral rear axle assembly increases torque by the aid of the speed reducer used for reducing rotation speed, and is large in transmission moment of force, stable in transmission, small in output power consumption, long in service life and convenient in maintenance.
Description
Technical field
What the utility model speed-reducing and rear axle integrated assembly of electric vehicle related to is a kind of electric vehicle motor, retarder, 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, portion's frictional loss is big in addition 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 be to provide a kind of speed-reducing and rear axle integrated assembly of electric vehicle at above-mentioned part, electrical motor, retarder, back axle are arranged to one, reduce other drive disk assemblies, electrical motor directly is connected with retarder, reducer output shaft, electric three-wheel back wheels of vehicle drive sprocket axle on the through-coupling back axle drives battery-driven car, and the horsepower output loss is little, simple in structure, compactness, long service life is convenient to maintenance.
Speed-reducing and rear axle integrated assembly of electric vehicle takes following scheme to realize:
Speed-reducing and rear axle integrated assembly of electric vehicle is made up of electrical motor, retarder, back axle; Retarder is fixed on the back axle, and electrical motor directly is connected with retarder.Back axle comprises rear axle stand, initiatively semiaxis, passive semiaxis, brake adapter plate one, brake adapter plate two, brake shoes, brake cam, rear main wheel and back follower.Be provided with initiatively axle tube at rear axle stand one end, be provided with passive axle tube at the rear axle stand other end.In the active axle tube outside brake adapter plate one is housed, the retarder adapter plate is housed in active axle tube inboard.In the passive axle tube outside brake adapter plate two is housed.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.Initiatively semiaxis is contained in the active axle tube, and driving wheel is contained on the active semiaxis, and the driving wheel wheel hub is sleeved on the brake adapter plate one, and the driving wheel wheel hub is made brake drum simultaneously.Initiatively semiaxis one end is provided with hub splines.Passive semiaxis is contained in the passive axle tube, and follower is contained on the passive semiaxis, and the follower wheel hub is sleeved on the brake adapter plate two, and the follower wheel hub is made brake drum simultaneously.
Retarder comprises reducer shell, motor output gear axle, reducing gear one, reducing gear two, reducing gear axle, reducing gear three and reducer output shaft.The reducer shell front end is equipped with the retarder front end cover, the retarder rear side housing is equipped with in the reducer shell rear end, be provided with the bearing installation plate in the reducer shell, motor output gear axle is provided with motor output gear, motor output gear axle one end is established axis hole, be provided with keyway in the axis hole, be used for being connected with the motor shaft mouth, the motor output gear axle other end is installed on the bearing installation plate by bearing one, reducing gear one and reducing gear two are housed on the reducing gear axle, reducing gear axle one end is installed on the retarder front end cover by bearing two respectively, the reducing gear axle other end is installed on the retarder rear side housing by bearing three, reducing gear one and motor output gear engagement, reducing gear three is housed on the reducer output shaft, and the reducer output shaft front portion is installed on the retarder front end cover by bearing five, and the reducer output shaft rear end is installed on the bearing installation plate by bearing four, be provided with spline at the reducer output shaft mouth, be used for being connected with spline housing on the semiaxis initiatively.Reducing gear three is meshed with reducing gear two.The electrical motor stay bearing plate is installed on the bridge bracket of back, is used for fixing electrical motor, and motor mounting position adjustments screw is housed on the electrical motor stay bearing plate.Be used to adjust the motor mounting position.Lubricating oil is housed in the reducer shell.
Principle of work
The motor output shaft outputting power is by the two-stage speed change of motor output gear and reducing gear one, reducing gear two and reducing gear three, with motor-driven electric output speed, changing per minute 408 into by 5000 rev/mins changes, rotate the active semiaxis of back axle again by reducer output shaft, drive rear main wheel, the transmission battery-driven car travels.
The utility model speed-reducing and rear axle integrated assembly of electric vehicle is reasonable in design, simple in structure, compact, volume is little, with electrical motor, retarder, back axle is arranged to one, reduced chain, drive disk assemblies such as sprocket chain wheel seat transition driving gearshaft, electrical motor directly links to each other with retarder, reducer output shaft directly rotates the active semiaxis of back axle, drive rear main wheel, the transmission battery-driven car travels, by rev down after the retarder speed change, 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.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing:
Fig. 1 is the speed-reducing and rear axle integrated assembly of electric vehicle scheme drawing.
Fig. 2 is slow down electrical motor, the retarder scheme drawing of integrated back axle of battery-driven car.
The specific embodiment
With reference to accompanying drawing 1,2, speed-reducing and rear axle integrated assembly of electric vehicle is made up of electrical motor 12, retarder, back axle; Retarder is fixed on the back axle, electrical motor 12 directly and retarder rear side housing 11 be bolted to connection.Back axle comprises rear axle stand 9, initiatively semiaxis 6, passive semiaxis 13, brake adapter plate 1, brake adapter plate 2 16, brake shoes 3, brake cam 5, rear main wheel 1 and back follower 15.Be provided with initiatively axle tube 7 at rear axle stand 9 one ends, be provided with by active axle tube 14 at rear axle stand 9 other ends.Brake adapter plate 1 is housed in active axle tube 7 outsides, retarder adapter plate 8 is housed in active axle tube 6 inboards.Brake adapter plate 2 16 is housed in passive axle tube 14 outsides.Described brake adapter plate 1 and brake adapter plate 2 16 all are equipped with two brake shoes, 3, two brake shoes 3 and are contained on the brake adapter plate by the brake locating dowel pin, and brake projection 5 is housed between two brake shoes 3.Initiatively semiaxis 6 is contained in the active axle tube 7, and driving wheel 1 is contained on the active semiaxis 6, and driving wheel wheel hub 2 is sleeved on the brake adapter plate 1, and driving wheel wheel hub 2 is made brake drum simultaneously.Initiatively semiaxis 6 one ends are provided with hub splines 21.Passive semiaxis 13 is contained in the passive axle tube 14, and follower 15 is contained on the passive semiaxis 13, and follower wheel hub 17 is sleeved on the brake adapter plate 2 16, and follower wheel hub 17 is made brake drum simultaneously.
Retarder comprises reducer shell 10, motor output gear axle 27, reducing gear 1, reducing gear 2 35, reducing gear axle 33, reducing gear 3 36 and reducer output shaft 34.Reducer shell 10 front ends are equipped with retarder front end cover 20, retarder rear side housing 11 is equipped with in reducer shell 10 rear ends, be provided with bearing installation plate 25 in the reducer shell 10, motor output gear axle 27 is provided with motor output gear 29, motor output gear axle 27 1 ends are established axis hole 28, be provided with keyway in the axis hole 28, be used for being connected with motor shaft mouth 30, motor output gear axle 27 other ends are installed on the bearing installation plate 25 by bearing 1, reducing gear 1 and reducing gear 2 35 are housed on the reducing gear axle 33, reducing gear axle 33 1 ends are installed on the retarder front end cover 20 by bearing 2 37, reducing gear axle 33 other ends are installed on the retarder rear side housing 11 by bearing 3 31, reducing gear 1 and motor output gear 29 engagements, reducing gear 3 36 is housed on the reducer output shaft 34, reducer output shaft 34 front portions are installed on the retarder front end cover 20 by bearing 5 23, reducer output shaft 34 rear ends are installed on the bearing installation plate 25 by bearing 4 24, be provided with spline 22 at reducer output shaft 34 mouths, be used for being connected with spline housing 21 on the semiaxis 6 initiatively.Reducing gear 3 36 is meshed with reducing gear 2 35.Electrical motor stay bearing plate 18 is installed on the bridge bracket 9 of back, is used for fixing electrical motor 12, and motor mounting position adjustments screw 19 is housed on motor support plate 18.Be used to adjust electrical motor 12 installation sites.
In the described reducer shell 10 lubricating oil or grease are housed.
Described electrical motor 12 adopts commercially available speed-regulated DC motor.
Claims (4)
1. a speed-reducing and rear axle integrated assembly of electric vehicle is characterized in that being made up of electrical motor, retarder, back axle; Retarder is fixed on the back axle, and electrical motor directly is connected with retarder; Back axle comprises rear axle stand, initiatively semiaxis, passive semiaxis, brake adapter plate one, brake adapter plate two, brake shoes, brake cam, rear main wheel and back follower; Be provided with initiatively axle tube at rear axle stand one end, be provided with by the active axle tube at the rear axle stand other end, in the active axle tube outside brake adapter plate one is housed, the retarder adapter plate is housed, brake adapter plate two is housed in the passive axle tube outside in active axle tube inboard; Initiatively semiaxis is contained in the active axle tube, and driving wheel is contained on the active semiaxis, and the driving wheel wheel hub is sleeved on the brake adapter plate one, and the driving wheel wheel hub is made brake drum simultaneously, and initiatively semiaxis one end is provided with hub splines; Passive semiaxis is contained in the passive axle tube, and follower is contained on the passive semiaxis, and the follower wheel hub is sleeved on the brake adapter plate two, and the follower wheel hub is made brake drum simultaneously;
Retarder comprises reducer shell, motor output gear axle, reducing gear one, reducing gear two, reducing gear axle, reducing gear three and reducer output shaft; The reducer shell front end is equipped with the retarder front end cover, the retarder rear side housing is equipped with in the reducer shell rear end, be provided with the bearing installation plate in the reducer shell, motor output gear axle is provided with motor output gear, motor output gear axle one end is provided with axis hole, be provided with keyway in the axis hole, be used for being connected with the motor shaft mouth, the motor output gear axle other end is installed on the bearing installation plate by bearing one, reducing gear one and reducing gear two are housed on the reducing gear axle, reducing gear axle one end is installed on the retarder front end cover by bearing two respectively, the reducing gear axle other end is installed on the retarder rear side housing by bearing three, reducing gear one and motor output gear engagement, reducing gear three is housed on the reducer output shaft, the reducer output shaft front portion is installed on the retarder front end cover by bearing five, the reducer output shaft rear end is installed on the bearing installation plate by bearing four, be provided with spline at the reducer output shaft mouth, be used for being connected with spline housing on the semiaxis initiatively, reducing gear three is meshed with reducing gear two.
2. speed-reducing and rear axle integrated assembly of electric vehicle according to claim 1, it is characterized in that 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.
3. speed-reducing and rear axle integrated assembly of electric vehicle according to claim 1, it is characterized in that described electrical motor stay bearing plate is installed on the bridge bracket of back, be used for fixing electrical motor, motor mounting position adjustments screw is housed on the electrical motor stay bearing plate, be used to adjust the motor mounting position.
4. speed-reducing and rear axle integrated assembly of electric vehicle according to claim 1 is characterized in that being equipped with in the described reducer shell lubricating oil or grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020105428XU CN201784789U (en) | 2010-02-01 | 2010-02-01 | Electric vehicle speed reducing integral rear axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020105428XU CN201784789U (en) | 2010-02-01 | 2010-02-01 | Electric vehicle speed reducing integral rear axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201784789U true CN201784789U (en) | 2011-04-06 |
Family
ID=43816765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020105428XU Expired - Lifetime CN201784789U (en) | 2010-02-01 | 2010-02-01 | Electric vehicle speed reducing integral rear axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201784789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101780832B (en) * | 2010-02-01 | 2012-09-05 | 薛建南 | Speed-reducing and rear axle integrated assembly of electric vehicle |
-
2010
- 2010-02-01 CN CN201020105428XU patent/CN201784789U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101780832B (en) * | 2010-02-01 | 2012-09-05 | 薛建南 | Speed-reducing and rear axle integrated assembly of electric vehicle |
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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: 20110406 Effective date of abandoning: 20120905 |