CN104279275B - Electric three-gear-speed planetary gearbox - Google Patents
Electric three-gear-speed planetary gearbox Download PDFInfo
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- CN104279275B CN104279275B CN201410470396.6A CN201410470396A CN104279275B CN 104279275 B CN104279275 B CN 104279275B CN 201410470396 A CN201410470396 A CN 201410470396A CN 104279275 B CN104279275 B CN 104279275B
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- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000001360 synchronised effect Effects 0.000 claims description 68
- 239000004744 fabric Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 17
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 7
- 230000007935 neutral effect Effects 0.000 description 7
- 238000003756 stirring Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 238000000418 atomic force spectrum Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/78—Special adaptation of synchronisation mechanisms to these gearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention provides an electric three-gear-speed planetary gearbox, which relates to the technical field of a vehicle transmission system and solves the technical problem to reduce the cost and the energy consumption of an electric vehicle. The electric three-gear-speed planetary gearbox comprises a box body and an input shaft rotationally arranged on the box body, and is characterized in that a planetary gear is arranged in the box body, a left synchronizer and a right synchronizer are coaxially arranged on the input shaft, a left driven disc of the left synchronizer is coaxially and fixedly connected with the input shaft, a right driven disc of the left synchronizer is fixedly connected with the box body, a driving disc of the left synchronizer is coaxially connected with a gear ring of the planetary gear, a right driven disc of the right synchronizer is coaxially and fixedly connected with the input shaft, a left driven disc of the right synchronizer is fixedly connected with the box body, a driving disc of the right synchronizer is coaxially connected with a sun wheel of the planetary gear, and a gear shifting executing mechanism used for controlling the gear shifting of the two synchronizers is arranged on the box body. The gearbox provided by the invention is applicable to the transmission system of an electric vehicle.
Description
Technical field
The present invention relates to vehicle drive system technology, more particularly to a kind of technology of electronic three gears speed planetary variable-speed box.
Background technology
It is low due to promoting with the beginning of this century（Or zero）Discharge to reach the drastically demand of environmental protection standard, and while also needing to continue
Customer and market are taken into account in vehicle shift, traveling smooth-going and the requirement of reasonable price, it is many using the electronic of single gear speed transmission
Or hybrid electric vehicle also thus arise at the historic moment.
But, single gear speed transmission is because of the restriction of few gear number, it is necessary to have the electricity of flank speed concurrently using expensive high-energy
Machine, could both meet the transmission high torque in low-speed running and require, the high speed demand for running up is met again, therefore adopt
The electric motor car holistic cost and energy consumption of single gear speed transmission is higher.
In order to overcome the defect of single gear speed transmission, the wide business of many automobile makings is proposed one after another two gears for electric motor car
Speed transmission, existing two gears speed transmission arranges two sets of planetary gearsets all in casing, and its gearshift controlling organization also compares
Complexity, so while the demand of motor performance is decreased, but due to gear train number and the complexity of gearshift controlling organization
Increase, thus it is still higher using the electric motor car holistic cost of existing two gear speed transmissions, and its energy consumption is also still higher.
The content of the invention
For defect present in above-mentioned prior art, the technical problem to be solved is to provide a kind of structure letter
It is single, the electronic three gears speed planetary variable-speed box of electric motor car cost and energy consumption can be reduced.
In order to solve above-mentioned technical problem, one kind provided by the present invention electronic three keeps off speed planetary variable-speed box, including casing,
And the rotatable input shaft on casing, it is characterised in that：Planetary gear is provided with the casing, on the input shaft
It is coaxially arranged with each synchronized around；
The left clutch plate of the left synchronized is coaxially affixed with input shaft, and the right clutch plate of left synchronized is affixed with casing,
The driving disc spacing pressing of left synchronized is coaxial with planetary gear ring to be coupled and synchronous axial system；
The right clutch plate of the right synchronized is coaxially affixed with input shaft, and the left clutch plate of right synchronized is affixed with casing,
The driving disc spacing pressing of right synchronized is coaxial with planetary sun gear to be coupled and synchronous axial system；
The gear shifting actuating mechanism for two synchronized gearshifts of control is equipped with the casing.
Further, the gear shifting actuating mechanism includes a driving lever guide plate, and two cantilevers；
Each sliding axle that can be horizontally slipped around is equipped with the casing, one is respectively fixed with two sliding axles and is changed
Gear shift fork, the selector fork on left sliding axle connects the shift carriage of left synchronized, and the selector fork connection on right sliding axle is right
The shift carriage of synchronized, the opposite end of two sliding axles is mutually propped up with movable fit system, is equipped with casing for driving
The slip shaft driver that two sliding axles slide, the slip shaft driver has two, and one of slip shaft driver is used
In driving left sliding axle to slide, another slip shaft driver is used to drive right sliding axle to slide, and is provided with casing for driving
Two selector forks are made to return back to the shifting fork spring of initial position, when two selector forks are located at initial position, two synchronizeds
Driving disc spacing pressing be disengaged from clutch plate；
The upper end of the casing is equipped with a shift lever that can be slided up and down, and is equipped with casing for ordering about shift lever
The driving lever actuator for sliding up and down, the driving lever guide plate is arranged in casing, and affixed with shift lever, and use is provided with casing
In the driving lever spring for ordering about driving lever guide plate and returning back to initial position；
Two cantilevers are arranged in casing, and between two selector forks, and two cantilevers are placed in gearshift
The left and right sides of driving lever, and cloth is set as the splayed from top to bottom gradually expanded, the upper end of two cantilevers with casing pivot joint, and
Two cantilevers can be switched to and be respectively held against two selector forks；
Each pilot hole around is offered on the driving lever guide plate, left cantilever passes through driving lever guide plate with movable fit system
On left pilot hole, and prop up the hole wall right part of left pilot hole, right cantilever is with movable fit system through the right side on driving lever guide plate
Pilot hole, and prop up the hole wall left part of right pilot hole.
Further, differential mechanism is housed, the differential mechanism connects planetary planet by drive disk assembly on the casing
Frame.
The electronic three gears speed planetary variable-speed box that the present invention is provided, only using one group of simple planetary gear, and two synchronizations
Device, just can reach the fast power output of three gears of smooth-going, and gear shifting actuating mechanism is also fairly simple, reaches can electric vehicle flat
The operating requirements of suitable, high efficiency and energy-conservation, can reduce electric motor car holistic cost and energy consumption.
Description of the drawings
Fig. 1 is the structural representation of the electronic three gears speed planetary variable-speed box of the embodiment of the present invention；
Fig. 2 is the structural representation of the driving lever guide plate in the electronic three gears speed planetary variable-speed box of the embodiment of the present invention；
Fig. 3 is the dynamic curve figure of the electronic three gears speed planetary variable-speed box of the embodiment of the present invention；
Fig. 4 is the dynamic curve figure of the electronic two gears speed transmission of tradition；
Fig. 5 is the dynamic curve figure of the electronic single gear speed transmission of tradition.
Specific embodiment
Embodiments of the invention are described in further detail below in conjunction with description of the drawings, but the present embodiment is not used to limit
The system present invention, every analog structure using the present invention and its similar change, all should list protection scope of the present invention in.
As shown in figure 1, a kind of electronic three gears speed planetary variable-speed box that the embodiment of the present invention is provided, including casing 100, and
The rotatable input shaft 300 on casing, it is characterised in that：Planetary gear, the input are provided with the casing 100
Each synchronized around is coaxially arranged with axle 300；
The left clutch plate 411 of the left synchronized is coaxial with input shaft 300 affixed, the right clutch plate 413 of left synchronized with
Casing 100 is affixed, and the driving disc spacing pressing 412 of left synchronized is coaxial with planetary gear ring 501 to be coupled and synchronous axial system；
The right clutch plate 423 of the right synchronized is coaxial with input shaft 300 affixed, the left clutch plate 421 of right synchronized with
Casing 100 is affixed, and the driving disc spacing pressing 422 of right synchronized is coaxial with planetary sun gear 502 to be coupled and synchronous axial system；
The gear shifting actuating mechanism for two synchronized gearshifts of control is equipped with the casing 100.
In the embodiment of the present invention, the gear shifting actuating mechanism includes a driving lever guide plate 232, and two cantilevers 241,242；
Each one sliding axle 211,212 that can be horizontally slipped around is equipped with the casing 100, it is each solid on two sliding axles
Surely there is a selector fork, the selector fork 221 on left sliding axle 211 connects the shift carriage 414 of left synchronized, right sliding axle
Selector fork 222 on 212 connects the shift carriage 424 of right synchronized, and the opposite end of two sliding axles 211,212 is matched somebody with somebody with activity
Conjunction mode is mutually propped up, and the slip shaft driver for driving two sliding axles to slide respectively, the slip are equipped with casing 100
Shaft driver has two, and one of slip shaft driver 271 is used to drive left sliding axle 211 to slide, another sliding axle
Actuator 272 is used to drive right sliding axle 212 to slide, and is provided with casing 100 and is returned back to just for ordering about two selector forks
Beginning position shifting fork spring 261,262, when two selector forks are located at initial position, the driving disc spacing pressing of two synchronizeds with it is driven
Disk detachment is engaged；
The upper end of the casing 100 is equipped with a shift lever 230 that can be slided up and down, and is equipped with casing 100 for driving
The driving lever actuator 231 that shift lever 230 is slided up and down, the driving lever guide plate 232 is arranged in casing 100, and with gearshift
Driving lever 230 is affixed, is provided with casing 100 for ordering about the driving lever spring 250 that driving lever guide plate 232 returns back to initial position；
Two cantilevers 241,242 are arranged in casing 100, and between two selector forks, two cantilevers
241st, 242 left and right sides for being placed in shift lever 230, and cloth is set as the splayed from top to bottom gradually expanded, two cantilevers
Upper end can be switched to and be respectively held against two selector forks 221,222 with the pivot joint of casing 100, and two cantilevers 241,242；
Each pilot hole 2321,2322 around is offered on the driving lever guide plate 232, left cantilever 241 is with activity cooperation
Mode props up the hole wall right part of left pilot hole through the left pilot hole 2321 on driving lever guide plate 232, and right cantilever 242 is with activity
Fit system props up the hole wall left part of right pilot hole through the right pilot hole 2322 on driving lever guide plate 232.
In the embodiment of the present invention, differential mechanism 600 is housed on the casing 100, the differential mechanism 600 passes through drive disk assembly 700
Connect planetary planet carrier 503, the power of planet carrier 503 is exported to external equipment by differential mechanism 600, the driving section
Part 700 is the part that the power of planet carrier 503 can be passed to differential mechanism 600 for travelling gear, driving chain, driving belt etc.,
In other embodiments of the present invention, it is also possible to directly export power to external equipment by planet carrier.
In the embodiment of the present invention, the synchronized uses traditional inertia synchronizer, in conventional inertia synchronized
Driving disc spacing pressing is also called clutch collar, and the clutch plate in conventional inertia synchronized is also referred to as synchronous ring, in other embodiments of the present invention,
The synchronized can also be adopted and can realize other existing synchronizeds of identical function, such as adopt number of patent application for
The described controllable disc type clutch with a driving disc spacing pressing and two clutch plates in 201410415709.8 patent document
Device, because of the functional characteristic that it has, can more embody the ride comfort easily of this gearbox as synchronized when making gearshift.
The embodiment of the present invention is applied to electric vehicle, and the line shaft of driving motor of electric vehicle is connected to into input shaft 300,
Two synchronized gearshifts are controlled using shift lever 230 and two slip shaft drivers 271,272, you can realize that three gear speed are defeated
Go out, concrete shift control method is as follows：
Neutral：In an initial condition, the driving disc spacing pressing 412 of left synchronized is disengaged from two clutch plates 411,413, right
The driving disc spacing pressing 422 of synchronized is disengaged from two clutch plates 421,423, now the unpowered output of planet carrier 503, gearbox
In neutral position；
First gear：Under neutral position state, left sliding axle 211 is driven to slide to the right using slip shaft driver 271, left slip
Axle 211 promotes immediately right sliding axle 212 synchronously to slide to the right, and two selector forks 221,222 also move right therewith, so as to dial
The shift carriage 414,424 for moving two synchronizeds is moved to right so that the driving disc spacing pressing 412 of left synchronized is engaged with its right clutch plate 413,
And the driving disc spacing pressing 422 of right synchronized is engaged with its right clutch plate 423, now planetary gear ring 501 is fixed, planet tooth
The sun gear 502 of wheel is then connected with input shaft 300, and now sequentially Jing input shafts 300, the right side are same for the power of driving motor of electric vehicle
Step device, sun gear 502, planet carrier 503, drive disk assembly 700 are transferred to differential mechanism 600, and by differential mechanism 600, outwards output is dynamic
Power, so as to realize first gear speed output, after slip shaft driver 271 removes driving force, in the elastic force of shifting fork spring 261,262
Under effect, two sliding axles 211,212 drive two selector forks to return back to initial position, so as to stir changing for two synchronizeds
Gear slide block 414,424 resets so that the driving disc spacing pressing of two synchronizeds is disengaged from clutch plate, so as to return back to neutral shape
State；
Second gear：Under neutral position state, right sliding axle 212 is driven to slide to the left using slip shaft driver 272, right slip
Axle 212 promotes immediately left sliding axle 211 synchronously to slide to the left, and two selector forks 221,222 are also moved to the left therewith, so as to dial
The shift carriage 414,424 for moving two synchronizeds is moved to left so that the driving disc spacing pressing 412 of left synchronized is engaged with its left clutch plate 411,
And the driving disc spacing pressing 422 of right synchronized is engaged with its left clutch plate 421, now planetary gear ring 501 and the phase of input shaft 300
Connection, planetary sun gear 502 is then fixed, now the power of driving motor of electric vehicle sequentially Jing input shafts 300, left
Synchronized, gear ring 501, planet carrier 503, drive disk assembly 700 are transferred to differential mechanism 600, and by differential mechanism 600, outwards output is dynamic
Power, so as to realize second gear speed output, after slip shaft driver 272 removes driving force, in the elastic force of shifting fork spring 261,262
Under effect, two sliding axles 211,212 drive two selector forks to return back to initial position, so as to stir changing for two synchronizeds
Gear slide block 414,424 resets so that the driving disc spacing pressing of two synchronizeds is disengaged from clutch plate, so as to return back to neutral shape
State；
Third gear：In neutral position state, shift lever 230 is applied by the tension force of driving lever spring 250 on driving lever guide plate 232
Pressure playbacks downwards, and now two cantilevers 241,242 are in the shape of interior receipts along the pilot hole 2321,2322 of driving lever guide plate 232
Condition, so the left and right of two selector forks 221,222 will not be interfered with first gear or second gear to movement, needs to use
During three gears, the upward sliding of shift lever 230 is driven using driving lever actuator 231, now driving lever guide plate 232 also can be moved upwards therewith
It is dynamic, so as to promote two cantilevers 241,242 it is outwards opened in splayed along the pilot hole 2321,2322 of driving lever guide plate 232
Two selector forks of ejection 221,222 are opened and distinguish, now left cantilever 241 promotes left selector fork 221 to be moved to the left, and it is right outstanding
Arm 242 promotes right selector fork 222 to move right, and so as to the shift carriage 414 for stirring left synchronized is moved to left, and stirs right synchronization
The shift carriage 424 of device is moved to right so that the driving disc spacing pressing 412 of left synchronized is engaged with its left clutch plate 411, and the master of right synchronized
Moving plate 422 is engaged with its right clutch plate 423, and now planetary gear ring 501, sun gear 502 are connected with input shaft 300,
Simultaneously gear ring 501, the power of sun gear 502 are coupled on planet carrier 503, now the power of driving motor of electric vehicle sequentially Jing
300, two synchronizeds of input shaft are transferred to gear ring 501, sun gear 502, and gear ring 501, the power of sun gear 502 are again by planet carrier
After 503 couplings, differential mechanism 600 is transferred to by drive disk assembly 700, then power is outwards exported by differential mechanism 600, so as to realize
Third gear speed output, after driving lever actuator 231 removes driving force, under the elastic force effect of driving lever spring 250, driving lever guide plate
232 return back to initial position, and now two cantilevers 241,242 remove the ejection force to two selector forks 221,222, and two are changed
Gear shift fork 221,222 returns back to initial position under the elastic force effect of shifting fork spring 261,262 immediately, so as to stir two synchronizations
The shift carriage 414,424 of device resets so that the driving disc spacing pressing of two synchronizeds is disengaged from clutch plate, so as to return back to sky
Gear state.
Fig. 3 is the dynamic curve figure of the electronic three gears speed planetary variable-speed box of the embodiment of the present invention, and Fig. 4 is electronic two gear of tradition
The dynamic curve figure of speed transmission, Fig. 5 is the dynamic curve figure of the electronic single gear speed transmission of tradition；
Axis of abscissas N in Fig. 3, Fig. 4, Fig. 5 represents motor speed, and axis of ordinates T represents motor torque, in 3 figures
Curve R it is identical, curve R is resistance suffered by vehicle, and the curve D in 3 figures is identical, and curve D is motor power curve；
Curve X31, X32, X33 in Fig. 3 is three of electronic three gears speed planetary variable-speed box and keeps off fast dynamic curves, Fig. 4
In curve X21, X22 be respectively the dynamic curves that tradition two keeps off two of speed transmission gear speed, the curve X11 in Fig. 5 is to pass
Single gear quick-action force curve of the single gear speed transmission of system；
Can be seen that in the case of using same motor from Fig. 3, Fig. 4, Fig. 5, the gear number of gearbox is more, may be selected
Gear ratio it is also more, such as three gear speed gearboxes have three kinds of gear ratios it is available, and two gear speed gearboxes have
Two kinds of gear ratios are available, and the gearbox of single gear speed only has a kind of gear ratio, therefore the gearbox of three gear speed compares two gears speed
Gearbox, single gear speed transmission, in output torque or corresponding wheel drive power and speed more advantages are respectively provided with.
The embodiment of the present invention is also applied for needing using other electric mechanical equipments of gearbox.
In the embodiment of the present invention, the function of the gear shifting actuating mechanism has three, and one is to control two synchronizeds while changing
Keep off to driving disc spacing pressing and being engaged with right clutch plate, two is that two synchronizeds of control are engaged while shifting to driving disc spacing pressing with left clutch plate, three
It is that the left synchronized of control shifts to driving disc spacing pressing and engages with left clutch plate, while controlling right synchronized, to shift to driving disc spacing pressing driven with the right side
Disk is engaged, and in other embodiments of the present invention, gear shifting actuating mechanism can also adopt the other structures shape that can realize three functions
Formula；
Such as, using two slip shaft drivers, one of slip shaft driver can drive left sliding axle to move to left,
Again left sliding axle can be driven to move to right, another slip shaft driver can drive right sliding axle to move to left, and can drive right sliding axle
Move to right, be now capable of achieving three gear controls without the need for corresponding components such as shift lever and cantilevers.
Claims (2)
1. a kind of electronic three gears speed planetary variable-speed box, including casing, and the rotatable input shaft on casing, the case
Planetary gear is provided with vivo, and each synchronized around is coaxially arranged with the input shaft；The left synchronized it is left driven
Disk is coaxially affixed with input shaft, and the right clutch plate of left synchronized is affixed with casing, the driving disc spacing pressing of left synchronized with it is planetary
Gear ring coaxially couples and synchronous axial system；The right clutch plate of the right synchronized is coaxially affixed with input shaft, the left side of right synchronized from
Moving plate is affixed with casing, and the driving disc spacing pressing of right synchronized is coaxial with planetary sun gear to be coupled and synchronous axial system；The casing
On be equipped with gear shifting actuating mechanism for control two synchronizeds gearshift；
It is characterized in that：The gear shifting actuating mechanism includes a driving lever guide plate, and two cantilevers；
Each sliding axle that can be horizontally slipped around is equipped with the casing, a gearshift is respectively fixed with two sliding axles and is dialled
Fork, the selector fork on left sliding axle connects the shift carriage of left synchronized, and the selector fork on right sliding axle connects right synchronization
The shift carriage of device, the opposite end of two sliding axles is mutually propped up with movable fit system, is equipped with casing for driving two
The slip shaft driver that sliding axle slides, the slip shaft driver has two, and one of slip shaft driver is used to drive
Dynamic left sliding axle slides, and another slip shaft driver is used to drive right sliding axle to slide, and is provided with casing for ordering about two
Individual selector fork returns back to the shifting fork spring of initial position, when two selector forks are located at initial position, the master of two synchronizeds
Moving plate is disengaged from clutch plate；
The upper end of the casing is equipped with a shift lever that can be slided up and down, and is equipped with casing upper and lower for ordering about shift lever
The driving lever actuator of slip, the driving lever guide plate is arranged in casing, and affixed with shift lever, is provided with casing for driving
Driving lever guide plate is set to return back to the driving lever spring of initial position；
Two cantilevers are arranged in casing, and between two selector forks, and two cantilevers are placed in shift lever
The left and right sides, and cloth is set as the splayed from top to bottom gradually expanded, the upper end of two cantilevers with casing pivot joint, and two
Cantilever can be switched to and be respectively held against two selector forks；
Each pilot hole around is offered on the driving lever guide plate, left cantilever is with movable fit system through on driving lever guide plate
Left pilot hole, and the hole wall right part of left pilot hole is propped up, right cantilever is with movable fit system through the right guiding on driving lever guide plate
Hole, and prop up the hole wall left part of right pilot hole.
2. according to claim 1 electronic three speed planetary variable-speed box is kept off, it is characterised in that：Differential is housed on the casing
Device, the differential mechanism connects planetary planet carrier by drive disk assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410470396.6A CN104279275B (en) | 2014-09-16 | 2014-09-16 | Electric three-gear-speed planetary gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410470396.6A CN104279275B (en) | 2014-09-16 | 2014-09-16 | Electric three-gear-speed planetary gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104279275A CN104279275A (en) | 2015-01-14 |
| CN104279275B true CN104279275B (en) | 2017-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410470396.6A Active CN104279275B (en) | 2014-09-16 | 2014-09-16 | Electric three-gear-speed planetary gearbox |
Country Status (1)
| Country | Link |
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| CN (1) | CN104279275B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578533B (en) * | 2017-09-29 | 2022-03-15 | 比亚迪股份有限公司 | Three-gear electric assembly and speed ratio determination method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2661479Y (en) * | 2003-04-24 | 2004-12-08 | 北京理工大学 | Single planet row two-gear transmission case for electric automobile |
| CN102678846A (en) * | 2011-03-14 | 2012-09-19 | 上海捷能汽车技术有限公司 | Transmission, driving system with transmission, and control method for driving system |
| CN203796869U (en) * | 2014-04-22 | 2014-08-27 | 瞿庆涛 | Speed change device |
| CN204083093U (en) * | 2014-09-16 | 2015-01-07 | 陈扬珑 | Electronic third gear speed planetary variable-speed box |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191128034A (en) * | 1911-12-13 | 1912-12-12 | Pol Ravigneaux | Improvements in or relating to Variable Speed Gearing. |
| GB191228034A (en) * | 1911-12-27 | 1913-05-22 | Solomon Wheeler | Improvements in and relating to Smoke Conductors for Locomotive and like Engines. |
| US8262530B2 (en) * | 2007-10-02 | 2012-09-11 | Zf Friedrichshafen Ag | Power-branched transmission |
| EP2855249B1 (en) * | 2012-05-31 | 2018-08-15 | Robert Bosch GmbH | Planetary gear transmission and electric vehicle |
-
2014
- 2014-09-16 CN CN201410470396.6A patent/CN104279275B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2661479Y (en) * | 2003-04-24 | 2004-12-08 | 北京理工大学 | Single planet row two-gear transmission case for electric automobile |
| CN102678846A (en) * | 2011-03-14 | 2012-09-19 | 上海捷能汽车技术有限公司 | Transmission, driving system with transmission, and control method for driving system |
| CN203796869U (en) * | 2014-04-22 | 2014-08-27 | 瞿庆涛 | Speed change device |
| CN204083093U (en) * | 2014-09-16 | 2015-01-07 | 陈扬珑 | Electronic third gear speed planetary variable-speed box |
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| Publication number | Publication date |
|---|---|
| CN104279275A (en) | 2015-01-14 |
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Effective date of registration: 20220221 Address after: Room 1808 and 1809, No. 1, Lane 1588, Wangyuan South Road, Fengxian District, Shanghai 201400 Patentee after: Shanghai Meihua Automobile Technology Co.,Ltd. Address before: 213300 No. 218, Hongkou Road, Liyang City, Jiangsu Province (Jiangsu Zhongguancun Science and Technology Industrial Park) Patentee before: Chen Yanglong Patentee before: Zhou Shijian |