CN108612813A - A kind of dedicated speed changer of electric vehicle and reducer group device - Google Patents
A kind of dedicated speed changer of electric vehicle and reducer group device Download PDFInfo
- Publication number
- CN108612813A CN108612813A CN201810546654.2A CN201810546654A CN108612813A CN 108612813 A CN108612813 A CN 108612813A CN 201810546654 A CN201810546654 A CN 201810546654A CN 108612813 A CN108612813 A CN 108612813A
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- China
- Prior art keywords
- gear
- speed change
- shift
- electric vehicle
- speed
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Classifications
-
- 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
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/089—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
-
- 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
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
-
- 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
-
- 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
- F16H57/037—Gearboxes for accommodating differential gearings
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
-
- 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
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H2061/2876—Racks
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The present invention provides a kind of dedicated speed changer of electric vehicle and reducer group devices.The dedicated speed changer of the electric vehicle and reducer group device include：Variable transmission mechanism comprising the gear shifting structure for carrying out transforming gear according to the gear shifting signal of electric vehicle and the speed change export structure for exporting corresponding rotating speed；And deceleration mechanism, it is sequentially connected with the variable transmission mechanism, and be used for output driving power；Wherein, the speed change export structure drive connection deceleration mechanism of the variable transmission mechanism, and the gear shifting structure realizes transforming gear according to the gear shifting signal, so that the variable transmission mechanism drives the deceleration mechanism by speed change export structure exports corresponding rotating speed.The beneficial effects of the invention are as follows：The dedicated speed changer of the electric vehicle and reducer group device realize shift and speed changing function with pure motor drive mode, have compact-sized, light weight, and rapid reliable advantage of shifting gears.
Description
Technical field
The invention belongs to vehicle technology fields, more particularly to a kind of dedicated speed changer of electric vehicle and reducer group
Device.
Background technology
Pure electric automobile drive system power source be by driving motor replace conventional engines (conventional gasoline engine or
Diesel engine).Due to driving motor have good drive characteristic, theoretically for motor direct-drive vehicle can be enabled without making
With speed changer, general electric automobile gear device transmission device can be level-one variable-speed unit, have about 5.4:1 reduction ratio.
But if replacing stable drive ratio retarder using multi-shifting speed variator, many obvious benefits can be brought.
Domestic and foreign scholars achieve certain achievement in the research of pure electric automobile speed changer, and have part speed change
Device has carried out commercialization, traditional manual transmission (MT), electric control mechanical type automatic speed variator (AMT), dual-clutch transmission
(DCT), hydraulic automatic speed variator (AT), contiuously variable transmission (CVT) have all done the research for pure electric automobile, result verification
Retarder is kept off relative to single, two-gear transmission can improve the dynamic property and economy of pure electric automobile.It is expected that assembly two
Shift transmission by be pure electric automobile development trend.The volume and weight of speed changer on present automobile is relative to pure electric vehicle
It is too big for automobile, and mounting design and difficulty of matching are big.
Invention content
It is an object of the invention in view of the drawbacks of the prior art or problem, provide a kind of dedicated speed changer of electric vehicle and
Reducer group device.
Technical scheme is as follows：A kind of dedicated speed changer of electric vehicle and reducer group device include：Speed change
Transmission mechanism comprising be used to carry out the gear shifting structure of transforming gear according to the gear shifting signal of electric vehicle and be used for the output phase pair
Answer the speed change export structure of rotating speed；And deceleration mechanism, it is sequentially connected with the variable transmission mechanism, and be used for output driving
Power；Wherein, the speed change export structure of the variable transmission mechanism is sequentially connected the deceleration mechanism, and the gear shifting structure according to
The gear shifting signal realizes transforming gear, so that the variable transmission mechanism is corresponding by speed change export structure output
Rotating speed so that drive the deceleration mechanism.
Preferably, the gear shifting structure includes：Shift motor, the gear shifting signal for receiving electric vehicle, and according to described
Gear shifting signal changes output state；Selector fork is moved according to the output state of the shift motor；And shift synchronizes
Device, wherein the shift motor carries out main story or reversion according to the gear shifting signal so that the selector fork carries out movement simultaneously
It stirs the shift synchronizer and realizes gear switch.
Preferably, further include the shift rack being sequentially connected with the shift motor output end, the selector fork is fixed
In the shift rack；The shift motor carries out main story or reversion according to the gear shifting signal, to drive the shift tooth
Item moves, selector fork movement described in the shift rack drives.
Preferably, the speed change export structure is used to be sequentially connected with main motor, and includes at least two shift conjunction gears
Circle, at least two speed change input gears, at least two speed change output gears and a speed change output shaft, each shift combine
Gear ring is rotated coaxially with a speed change input gear, and a speed change input gear is connected by meshing transmission described in one
Speed change output gear, at least two speed change output gears are rotated coaxially with the speed change output shaft；When the shift is tied
Structure carries out gear switch so that the output end of main motor combines gear ring to be sequentially connected with one of them described shift, passes sequentially through
The corresponding speed change input gear, the speed change output gear and the speed change output shaft are driven, and final output
Corresponding rotating speed.
Preferably, the deceleration mechanism includes driven gear, differential mechanism and reducing output shaft, and the driven gear transmission connects
Connect the output end of the variable transmission mechanism, the input terminal drive connection driven gear of the differential mechanism, the differential mechanism
Output end be sequentially connected the reducing output shaft.
Preferably, the shift motor is stepper motor.
Technical solution provided by the invention has the advantages that：
The dedicated speed changer of the electric vehicle and reducer group device realize shift and speed change with pure motor drive mode
Function detects shift information based on gear shift sensing device, realizes shift motor work by shifting control system, drives shift tooth
Item couples selector fork above rack along the axial movement of speed changer, realizes startups, low speed, travel phase of climbing
Low gear, after receiving the gear shifting signal of top gear, control system controls the reversion of shift motor, and rack exits low speed and nibbles
Conjunction state realizes that top gear, the output gear of speed change output shaft are driven using helical teeth, and the driven gear engaged, which is realized, to slow down
Mechanism driving, the gear wheel of deceleration mechanism design differential mechanism, and entire mechanism is pure motor control shift, speed change, differential integrated
Mechanism, to compact-sized, light weight, and it is rapid reliable to shift gears.
Description of the drawings
Fig. 1 is the structural representation of electric vehicle provided in an embodiment of the present invention dedicated speed changer and reducer group device
Figure.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The description of specific distinct unless the context otherwise, the present invention in element and component, the shape that quantity both can be single
Formula exists, and form that can also be multiple exists, and the present invention is defined not to this.Although step in the present invention with label into
It has gone arrangement, but is not used to limit the precedence of step, unless expressly stated the order of step or holding for certain step
Based on row needs other steps, otherwise the relative rank of step is adjustable.It is appreciated that used herein
Term "and/or" one of is related to and covers associated Listed Items or one or more of any and all possible groups
It closes.
As shown in Figure 1, a kind of dedicated speed changer of electric vehicle and reducer group device, including 10 He of variable transmission mechanism
Deceleration mechanism 20.
Wherein, the variable transmission mechanism 10 includes the shift for carrying out transforming gear according to the gear shifting signal of electric vehicle
Structure 11 and speed change export structure 12 for exporting corresponding rotating speed.Moreover, the speed change output of the variable transmission mechanism 10
Structure 12 is sequentially connected the deceleration mechanism 20, and the gear shifting structure 11 realizes transforming gear according to the gear shifting signal, with
So that the variable transmission mechanism 10 drives the deceleration by speed change export structure 12 exports corresponding rotating speed
Mechanism 20.
For the gear shifting structure 11, the gear shifting structure 11 includes shift motor 111, shift rack 112, shift group
Fork 113 and shift synchronizer 114.Wherein, the shift motor 111 is used to receive the gear shifting signal of electric vehicle, and according to described
Gear shifting signal changes output state；The shift rack 112 is sequentially connected with 111 output end of the shift motor, the shift
Shift fork 113 is fixed on the shift rack 112.
For the shift motor, the shifting control system of electric vehicle is intended to according to the acceleration of electric vehicle, and acceleration is stepped on
The displacement of plate is converted into electric signal, and is sent to sensor signal so that electric-control system sends out instruction and controls the shift electricity
Machine 111 rotates.
Preferably, the shift motor 111 is stepper motor.Since the shift motor 111 uses stepper motor, then may be used
To accurately control the rotation of stepper motor by design control procedure, with improve the gear shifting structure 11 accuracy and can
By degree.
In the gear shifting structure 11, the shift motor 111 carries out main story or reversion according to the gear shifting signal, to
The shift rack 112 is driven to move, the shift rack 112 drives the selector fork 113 to move, the selector fork
113 move and stir the realization of shift synchronizer 114 gear switch.
In the present embodiment, shift information is detected by gear shift sensing device in electric vehicle, and will by shifting control system
The shift information is changed into gear shifting signal and is sent to the shift motor 111；
After the shift motor 111 receives the gear shifting signal, the rotation direction of the shift motor 111 inverts, to
It drives the shift rack 112 to move round about, and then the selector fork 113 is driven to move, and the final shift
Shift fork 113 stirs the shift synchronizer 114 and realizes gear switch.
Moreover, because the shift motor 111 realizes the switching rotated and reverse under the action of the gear shifting signal, and
Finally so that the shift rack 112 is only there are two moving direction, therefore the gear shifting structure 11 is only capable of providing two grades of speed change work(
Energy.
Certainly, it is not limited to the present embodiment, the output variable speed shelf grade of the gear shifting structure 11 is also designed to three gears, four gears
Or at least five grades, this needs is selected according to actual conditions, and the present invention does not limit this.
Furthermore, it is necessary to explanation, the structure and function and biography of the selector fork 113 and the shift synchronizer 114
The structure and function of selector fork 113 and shift synchronizer 114 is essentially identical in manual transmission in system automobile, does not do herein superfluous
It states.
The speed change export structure 12 is used to be sequentially connected with main motor 30, and includes that two shifts combine gear ring 121, two
122, two speed change output gears 123 of a speed change input gear and a speed change output shaft 124；Each shift combines gear ring
121 rotate coaxially with a speed change input gear 122, and a speed change input gear 122 is connected by meshing transmission one
A speed change output gear 123, at least two speed change output gears 123 with 124 same shaft rotation of the speed change output shaft
It is dynamic.
In the speed change export structure 12, the gear shifting structure 11 carries out gear switch so that the output of main motor 30
End combines gear ring 121 to be sequentially connected with one of them described shift, and passes sequentially through the corresponding speed change input gear
122, the speed change output gear 123 and the speed change output shaft 124 are driven, and the corresponding rotating speed of final output.
It should be noted that the shift is in conjunction with gear ring 121, the speed change input gear 122 and the speed change output gear
Wheel 123 is sequentially connected constitutes a drive line successively.In the present embodiment, since the gear shifting structure 11 is only capable of providing two grades
Speed changing function, then the speed change export structure 12 includes two drive lines for corresponding to two grades of speed changes respectively, i.e. high-speed drive line
Road and low speed rotation circuit.
It should be appreciated that if the output variable speed shelf grade of gear shifting structure 11 be also designed to three gears, four gear or at least five grades,
Then correspondingly, the speed change export structure 12 includes three, four or at least five drive lines for corresponding to speed change shelf grade respectively
Road.
The deceleration mechanism 20 is sequentially connected with the variable transmission mechanism 10, and is used for output driving power.Specifically, institute
It includes driven gear 21, differential mechanism 22 and reducing output shaft 23 to state deceleration mechanism 20, and the driven gear 21 is sequentially connected described
The output end of variable transmission mechanism 10, the input terminal drive connection driven gear 21 of the differential mechanism 22, the differential mechanism
22 output end is sequentially connected the reducing output shaft 23.Preferably, the differential mechanism 22 is planet gear type differential mechanism 22.
Between the variable transmission mechanism 10 and the deceleration mechanism 20, the driven gear 21 of the deceleration mechanism 20 passes
The dynamic speed change output shaft 124 for connecting the speed change export structure 12.Specifically, the speed change output shaft of the speed change export structure 12
124 be the output shaft equipped with drive bevel gear, and the driven gear 21 of the deceleration mechanism 20 is driven wheel of differential, then the speed change
21 engaged transmission of driven gear that the speed change output shaft 124 of export structure 12 passes through bevel gear and the deceleration mechanism 20.
Moreover, because the speed change output shaft 124 of the speed change export structure 12 passes through bevel gear and the deceleration mechanism 20
The engaged transmission of driven gear 21, then the drive bevel gear kind of drive is mainly used for preposition front wheel drive mode (FF types) or postposition
Rear wheel drive pattern (RR types)；
Be not limited to the present embodiment, in some other embodiment, the speed change output shaft 124 of the speed change export structure 12 with
Tie-plate mode may be used in transmission between the driven gear 21 of the deceleration mechanism 20, so as to be applied to rear
Drive mode (FR types).
In addition, the variable transmission mechanism 10 and the deceleration mechanism 20 further include corresponding shell, moreover, described
Coupled using the composite module mode of bolt-connection between variable transmission mechanism 10 and the shell of the deceleration mechanism 20,
And lubricating oil for different meshing gears can be applied in knockdown two shells respectively, design different purge cocks.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. a kind of dedicated speed changer of electric vehicle and reducer group device, it is characterised in that：Including：
Variable transmission mechanism comprising for according to the gear shifting signal of electric vehicle carry out transforming gear gear shifting structure and be used for
Export the speed change export structure of corresponding rotating speed；And
Deceleration mechanism is sequentially connected with the variable transmission mechanism, and is used for output driving power；
Wherein, the speed change export structure drive connection deceleration mechanism of the variable transmission mechanism, and the gear shifting structure root
Transforming gear is realized according to the gear shifting signal, so that the variable transmission mechanism passes through the speed change export structure the output phase pair
The rotating speed answered drives the deceleration mechanism in turn.
2. a kind of dedicated speed changer of electric vehicle according to claim 1 and reducer group device, which is characterized in that institute
Stating gear shifting structure includes：
Shift motor, the gear shifting signal for receiving electric vehicle, and output state is changed according to the gear shifting signal；
Selector fork is moved according to the output state of the shift motor；And
Shift synchronizer,
Wherein, the shift motor carries out main story or reversion according to the gear shifting signal so that the selector fork is moved
And it stirs the shift synchronizer and realizes gear switch.
3. a kind of dedicated speed changer of electric vehicle according to claim 2 and reducer group device, which is characterized in that also
Include the shift rack being sequentially connected with the shift motor output end, the selector fork is fixed on the shift rack；
The shift motor carries out main story or reversion according to the gear shifting signal, described to drive the shift rack to move
Selector fork movement described in rack drives of shifting gears.
4. a kind of dedicated speed changer of electric vehicle according to claim 1 and reducer group device, which is characterized in that institute
Speed change export structure is stated for being sequentially connected with main motor, and includes that at least two shift combination gear rings, at least two speed changes are defeated
Enter gear, at least two speed change output gears and a speed change output shaft,
Each shift is rotated coaxially in conjunction with gear ring and a speed change input gear, and a speed change input gear
Be connected by meshing transmission a speed change output gear, and at least two speed change output gears are same with the speed change output shaft
Shaft rotation is dynamic；
When the gear shifting structure carries out gear switch so that the output end of main motor combines gear ring to pass with one of them described shift
Dynamic connection passes sequentially through the corresponding speed change input gear, the speed change output gear and the speed change output shaft and carries out
Transmission, and the corresponding rotating speed of final output.
5. a kind of dedicated speed changer of electric vehicle according to claim 1 and reducer group device, which is characterized in that institute
It includes driven gear, differential mechanism and reducing output shaft, the driven gear drive connection gear machine to state deceleration mechanism
The output end of structure, the input terminal drive connection driven gear of the differential mechanism, the output end of the differential mechanism are sequentially connected
The reducing output shaft.
6. a kind of dedicated speed changer of electric vehicle according to claim 2 and reducer group device, which is characterized in that institute
It is stepper motor to state shift motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810546654.2A CN108612813A (en) | 2018-05-31 | 2018-05-31 | A kind of dedicated speed changer of electric vehicle and reducer group device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810546654.2A CN108612813A (en) | 2018-05-31 | 2018-05-31 | A kind of dedicated speed changer of electric vehicle and reducer group device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108612813A true CN108612813A (en) | 2018-10-02 |
Family
ID=63664583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810546654.2A Pending CN108612813A (en) | 2018-05-31 | 2018-05-31 | A kind of dedicated speed changer of electric vehicle and reducer group device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108612813A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709813A (en) * | 2020-12-31 | 2021-04-27 | 三一汽车制造有限公司 | Automatic gear shifting method, gear shifting device, transmission and crawler-type mobile equipment |
| CN113090719A (en) * | 2021-04-09 | 2021-07-09 | 江苏国茂减速机股份有限公司 | Novel double-speed reducer for bevel gear |
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| CN202200837U (en) * | 2011-08-31 | 2012-04-25 | 广东戈兰玛汽车系统有限公司 | Electrombile power system with clutch-free two-speed mechanical automatic gearbox |
| CN205896081U (en) * | 2016-08-16 | 2017-01-18 | 中汽研（天津）汽车工程研究院有限公司 | Electric automobile transmission |
| CN205951715U (en) * | 2016-08-26 | 2017-02-15 | 苏州凯博易控驱动技术有限公司 | Two grades of variable speed systems and be equipped with these two grades variable speed systems car |
| WO2017026537A1 (en) * | 2015-08-10 | 2017-02-16 | ヤマハ発動機株式会社 | Transmission and vehicle |
| CN106427551A (en) * | 2016-11-21 | 2017-02-22 | 合肥工业大学 | Rotary-shaft-free two-speed gearshift transmission system for electric vehicle |
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2018
- 2018-05-31 CN CN201810546654.2A patent/CN108612813A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202200837U (en) * | 2011-08-31 | 2012-04-25 | 广东戈兰玛汽车系统有限公司 | Electrombile power system with clutch-free two-speed mechanical automatic gearbox |
| WO2017026537A1 (en) * | 2015-08-10 | 2017-02-16 | ヤマハ発動機株式会社 | Transmission and vehicle |
| CN205896081U (en) * | 2016-08-16 | 2017-01-18 | 中汽研（天津）汽车工程研究院有限公司 | Electric automobile transmission |
| CN205951715U (en) * | 2016-08-26 | 2017-02-15 | 苏州凯博易控驱动技术有限公司 | Two grades of variable speed systems and be equipped with these two grades variable speed systems car |
| CN106427551A (en) * | 2016-11-21 | 2017-02-22 | 合肥工业大学 | Rotary-shaft-free two-speed gearshift transmission system for electric vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709813A (en) * | 2020-12-31 | 2021-04-27 | 三一汽车制造有限公司 | Automatic gear shifting method, gear shifting device, transmission and crawler-type mobile equipment |
| CN113090719A (en) * | 2021-04-09 | 2021-07-09 | 江苏国茂减速机股份有限公司 | Novel double-speed reducer for bevel gear |
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Application publication date: 20181002 |
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| RJ01 | Rejection of invention patent application after publication |