CN201992007U - Two-gear automatic transmission of electric vehicle - Google Patents
Two-gear automatic transmission of electric vehicle Download PDFInfo
- Publication number
- CN201992007U CN201992007U CN2011201089476U CN201120108947U CN201992007U CN 201992007 U CN201992007 U CN 201992007U CN 2011201089476 U CN2011201089476 U CN 2011201089476U CN 201120108947 U CN201120108947 U CN 201120108947U CN 201992007 U CN201992007 U CN 201992007U
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- Prior art keywords
- gear
- output shaft
- speed
- input shaft
- low
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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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
- F16H3/02—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- 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
- F16H3/10—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 one or more one-way clutches as an essential feature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
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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
- F16H3/02—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
- F16H2003/0818—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 comprising means for power-shifting
-
- 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
Abstract
The utility model provides a two-gear automatic transmission of an electric vehicle, which comprises an input shaft (20), an output shaft (30), an automatic clutch (40), a one-way clutch (50), a reverse gear (62), a parking gear (64) and a toothed sleeve (66), wherein the automatic clutch is arranged on the input shaft and used for connecting the input shaft with a high-speed driving gear; the one-way clutch is an overrunning clutch which is arranged on the output shaft and used for connecting a low-speed driven gear with the output shaft; the reverse gear and the parking gear are arranged on the output shaft, the reverse gear is in rigid connection with the output shaft, and the parking gear is sleeved on the output shaft in a sliding way and is in rigid connection with a transmission casing; and the toothed sleeve is optionally engaged with the reverse gear and the parking gear at the same time, or engaged with the low-speed driven gear and the reverse gear at the same time, or only engaged with the low-speed driven gear. The two-gear automatic transmission provided by the utility model has the advantages of simple structure, small volume and smooth gear shift, is convenient to carry on an entire vehicle and is easy to match with the working efficiency of a motor.
Description
Technical field
The utility model relates to the two-shift automatic variable speed device of the speed changer of electric motor car, particularly electric motor car.
Background technique
Electric motor car has become the grand strategy product of various countries, world today field of traffic.Speed changer is one of important assembly that influences the electric motor car vehicle performance.Present electric vehicle transmission mainly contains single reduction gear, two grades of manual transmissions (MT), two-shift automatic variable speed device (AT) and two grades of automatic mechanical transmissions (AMT).
The speed ratio of single reduction gear is a definite value, causes max. climb slope, the highest speed of electric motor car and is difficult to satisfied simultaneously aspect the motor working efficiency coupling.The motor output end of two grades of manual transmissions must increase manned clutch system, causes the power assembly dimension and weight to increase, and is unfavorable for that car load carries, and needs manual shift.Be similar to the component complex process such as oil pump, valve body, planetary gears of the two-shift automatic variable speed device of traditional automatic transmission, the cost of speed changer is higher.Although two grades of automatic mechanical transmissions can self shifter, there is power interruption in the shift process, influence riding comfort, and still have problems such as dimension and weight is big.
The model utility content
The purpose of this utility model provides a kind of two-shift automatic variable speed device of electric motor car, and this speed changer structure is simple, volume is little, be convenient to the coupling that car load carries, shifts gears steadily and is easy to motor working efficiency.
The utility model provides the two-shift automatic variable speed device of electric motor car, comprises a motor-driven input shaft by electric motor car, is arranged with a low-speed active gear and a high speed driving gear on the input shaft; The output shaft of a speed changer, a high speed driven gear of cover, a low speed driven gear on it, the high speed driven gear can be meshed with the high speed driving gear, and the low speed driven gear can be meshed with low-speed active gear; An automatic clutch, this automatic clutch can be arranged on input shaft or the output shaft, with connection input shaft and high speed driving gear, or connect high speed driven gear and output shaft; An overrunning clutch, this overrunning clutch are free wheel device, and it is arranged on output shaft or the input shaft, with connection low speed driven gear and output shaft, or connect input shaft and low-speed active gear; On output shaft that overrunning clutch is set or input shaft, also be provided with a reverse gear and a Parking gear; A tooth cover, this tooth cover is while and reverse gear and Parking gear engagement optionally, or simultaneously and low speed driven gear or low-speed active gear and reverse gear engagement, or only with low speed driven gear or low-speed active gear engagement or only with reverse gear or Parking gear engagement.
In a kind of schematic mode of execution of the two-shift automatic variable speed device of electric motor car, overrunning clutch is arranged on the output shaft, and reverse gear and Parking gear are arranged on the output shaft.
In the another kind of schematically mode of execution of the two-shift automatic variable speed device of electric motor car, overrunning clutch is arranged on the input shaft, and reverse gear and Parking gear are arranged on the input shaft.
Adopt two-shift automatic variable speed device of the present utility model to control opening or closing of automatic clutch, between top gear and bottom gear, automatically switch stably to realize speed changer according to the driving cycle of electric motor car.With traditional manual transmission, automatic mechanical transmission, transmission dimensions of the present utility model is little, in light weight, is easy to car load and carries; Speed change is steady.In addition, drive mechanism of the present utility model is simple, cost is low.
Description of drawings
The following drawings is only done the utility model and is schematically illustrated and explain, does not limit scope of the present utility model.
Fig. 1 is a kind of exemplary embodiment of the two-shift automatic variable speed device of electric motor car.
Fig. 2 is used to illustrate the state of speed changer shown in Figure 1 in Parking and reversing.
Fig. 3 is used to illustrate the state of speed changer shown in Figure 1 in the transmission of bottom gear.
Fig. 4 is used to illustrate the state of speed changer shown in Figure 1 in the transmission of top gear.
Fig. 5 has schematically shown the another kind of mode of execution of the two-shift automatic variable speed device of electric motor car.
Fig. 6 has schematically shown another mode of execution of the two-shift automatic variable speed device of electric motor car.
Label declaration
10 motors
20 input shafts
22 low-speed active gear
24 high speed driving gears
30 output shafts
32 low speed driven gears
34 high speed driven gears
40 automatic clutches
50 overrunning clutchs
62 reverse gears
64 Parking gears
66 tooth covers
70 differential mechanisms.
Embodiment
Understand for technical characteristics, purpose and effect to model utility have more clearly, now contrast description of drawings embodiment of the present utility model.In each figure, identical label represents that structure is identical or function is identical but the parts of structural similarity.
As shown in Figure 1, the input shaft 20 of the two-shift automatic variable speed device of electric motor car is driven by a motor 10, and the output shaft 30 of speed changer drives a differential mechanism 70.As shown in Figure 1, the two-shift automatic variable speed device of electric motor car comprises an input shaft 10, output shaft 30, automatic clutch 40, overrunning clutch 50, reverse gear 62, a Parking gear 64 and a tooth cover 66.
Be arranged with a low-speed active gear 22 and a high speed driving gear 24 on the input shaft 20, a high speed driven gear 34 of cover and a low speed driven gear 32 on the output shaft 30, high speed driven gear 34 can be meshed with high speed driving gear 24, and low speed driven gear 32 can be meshed with low-speed active gear 22.
In mode of execution shown in Figure 1, input shaft 20 is provided with an automatic clutch 40, this automatic clutch 40 can adopt any suitable structure, as wet type or dry type, monolithic or multi-disc, electromagnetic type or hydraulic type or motor type, open in usual or Normally closed type.Output shaft 30 is provided with an overrunning clutch 50, and this overrunning clutch 50 is a free wheel device, and it connects high speed driven gear 34 and low speed driven gear 32.Also be provided with a reverse gear 62 and a Parking gear 64 on the output shaft 30.Also be arranged with a tooth cover 66 on the axle journal of low speed driven gear 32, tooth cover 66 moving axially along output shaft 30.
Drive state when state shown in Figure 1 is the automatic transmission neutral gear, the drive state when illustrating that below in conjunction with Fig. 2 to Fig. 4 automatic transmission shown in Figure 1 realizes Parking, reversing, driven at low speed and high-speed driving.
As shown in Figure 2, when electric motor car is in the Parking state, the tooth cover 66 of speed changer moves to right, simultaneously with reverse gear 62 and 64 engagements of Parking gear, because Parking gear 64 is rigidly connected with case of transmission, reverse gear 62 is rigidly connected with output shaft 30, so output shaft 30 is locked with case of transmission, realizes parking function.When needs are moveed backward, tooth cover 66 is moved to the left to and low speed driven gear 32 and reverse gear 62 position engaged (referring among the figure shown in the dotted line), this moment, tooth cover 66 was locked with reverse gear 62, if the motor counter-rotating can realize reverse gear.
Referring to Fig. 3, when motor needs low speed driving, tooth cover 66 is in neutral position, tooth cover 66 only meshes with low speed driven gear 32, and automatic clutch 40 separates, overrunning clutch 50 work, this moment is shown in the direction of arrow among the figure, the power of input shaft 20 passes to low speed driven gear 32 via low-speed active gear 22, rotates thereby drive output shaft 30, outputs power.
As shown in Figure 4, when motor need be run at high speed, tooth cover 66 is in neutral position, tooth cover 66 only meshes with low speed driven gear 32, automatic clutch 40 combinations, because high speed driven gear 34 rotating speeds are higher than low speed driven gear 32, because overrunning clutch 50 is a free wheel device, low-speed active gear 22 and low speed driven gear 32 can not transferring power, shown in the direction of arrow among the figure, the power of input shaft 20 passes to high speed driven gear 34 via high speed driving gear 24, rotates thereby drive output shaft 30, outputs power.
Figure 5 shows that the another kind of exemplary embodiment of the two-shift automatic variable speed device of electric motor car, wherein identical with Fig. 1 part repeats no more.In mode of execution shown in Figure 5, input shaft 20 is provided with an overrunning clutch 50, and this overrunning clutch 50 is a free wheel device, and it connects input shaft 20 and low-speed active gear 22.Also be provided with a reverse gear 62 and a Parking gear 64 on the input shaft 20.Reverse gear 62 also is arranged with a tooth cover 66, and tooth cover 66 can moving axially along input shaft 20.Power transmission state and Fig. 2 to 4 when it realizes Parking, reversing, neutral gear, driven at low speed and high-speed driving are similar, do not repeat them here.
Fig. 6 has shown another exemplary embodiment of the two-shift automatic variable speed device of electric motor car, and wherein identical with Fig. 1 part repeats no more.In mode of execution shown in Figure 6, input shaft 20 is provided with an overrunning clutch 50, and this overrunning clutch 50 is a free wheel device, and it connects input shaft 20 and low-speed active gear 22.Also be provided with a reverse gear 62 and a Parking gear 64 on the input shaft 20.Reverse gear 62 also is arranged with a tooth cover 66, and tooth cover 66 can moving axially along input shaft 20.Automatic clutch 40 is arranged on the output shaft 30, and is arranged with low speed driven gear 32 and high speed driven gear 34 on the output shaft 30.Power transmission state and Fig. 2 to 4 when it realizes Parking, reversing, neutral gear, driven at low speed and high-speed driving are similar, do not repeat them here.
It will be understood by those skilled in the art that tooth cover 66 can adopt artificial direct control pattern such as zip, pull bar, or hydraulic pressure, motor, solenoid valve is indirect or operated automatically.
Two-shift automatic variable speed device of the present utility model can be according to the driving cycle of electric motor car, and opening or closing of control automatic clutch automaticallyed switch between top gear and bottom gear stably to realize speed changer.
With traditional manual transmission, automatic mechanical transmission, transmission dimensions of the present utility model is little, in light weight, is easy to car load and carries; Speed change is steady.In addition, drive mechanism of the present utility model is simple, cost is low.
In this article, " schematically " expression " is served as example, example or explanation ", any diagram, the mode of execution that is described to " schematically " in this article should be interpreted as a kind of preferred or have more the technological scheme of advantage.
Above listed a series of detailed description only is specifying at feasibility embodiment of the present utility model; they are not in order to limiting protection domain of the present utility model, allly do not break away from equivalent embodiment or the change that the utility model skill spirit done and all should be included within the protection domain of the present utility model.
Claims (6)
1. the two-shift automatic variable speed device of electric motor car comprises:
The input shaft (20) that a motor by described electric motor car (10) drives is arranged with a low-speed active gear (22) and a high speed driving gear (24) on the described input shaft (20);
The output shaft of a speed changer (30), described output shaft (30) is gone up a sheathed high speed driven gear (34), a low speed driven gear (32), described high speed driven gear (34) can be meshed with described high speed driving gear (24), and described low speed driven gear (24) can be meshed with described low-speed active gear (22);
It is characterized in that: the two speed transmission of described electric motor car also comprises:
An automatic clutch (40), this automatic clutch (40) can be arranged on described input shaft (20) or the output shaft (30), connecting described input shaft (20) and described high speed driving gear (24), or connect described output shaft (30) and described high speed driven gear (34);
An overrunning clutch (50), this overrunning clutch (50) is a free wheel device, it is arranged on described output shaft (30) or the input shaft (20), connecting described output shaft (30) and described low speed driven gear (32), or connect described input shaft (20) and described low-speed active gear (22);
On described output shaft (30) that described overrunning clutch (50) is set or input shaft (20), also be provided with a reverse gear (62) and a Parking gear (64);
A tooth cover (66), this tooth cover (66) optionally meshes with described reverse gear (62) and described Parking gear (64) simultaneously, or while and described low speed driven gear (32) or low-speed active gear (22) and described reverse gear (62) engagement, or only mesh (22) with described low speed driven gear (32) or low-speed active gear.
2. the two-shift automatic variable speed device of electric motor car according to claim 1, wherein said overrunning clutch (50) is arranged on the described output shaft (30), and described reverse gear (62) and described Parking gear (64) are arranged on the described output shaft (30).
3. the two-shift automatic variable speed device of electric motor car according to claim 1, wherein said overrunning clutch (50) is arranged on the described input shaft (20), and described reverse gear (62) and described Parking gear (64) are arranged on the described input shaft (20).
4. the two-shift automatic variable speed device of electric motor car according to claim 1, wherein said automatic clutch (40) can be wet type or dry type.
5. the two-shift automatic variable speed device of electric motor car according to claim 1, wherein said automatic clutch (40) can be monolithic or multidisc.
6. the two-shift automatic variable speed device of electric motor car according to claim 1, wherein said automatic clutch (40) can be Chang Kai or Normally closed type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201089476U CN201992007U (en) | 2011-04-14 | 2011-04-14 | Two-gear automatic transmission of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201089476U CN201992007U (en) | 2011-04-14 | 2011-04-14 | Two-gear automatic transmission of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201992007U true CN201992007U (en) | 2011-09-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201089476U Expired - Lifetime CN201992007U (en) | 2011-04-14 | 2011-04-14 | Two-gear automatic transmission of electric vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN201992007U (en) |
Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392885A (en) * | 2011-06-24 | 2012-03-28 | 重庆大学 | Automatic transmission of pure electromobile double clutch |
| CN102518780A (en) * | 2011-12-16 | 2012-06-27 | 奇瑞汽车股份有限公司 | Motor-AMT (automated mechanical transmission) coupling mechanism |
| CN102678850A (en) * | 2012-05-04 | 2012-09-19 | 安玉森 | Two-gear automatic gearbox for automobiles |
| CN102678893A (en) * | 2012-05-29 | 2012-09-19 | 长城汽车股份有限公司 | Manual transmission |
| CN102700407A (en) * | 2012-06-06 | 2012-10-03 | 吉林大学 | Horizontal power-driven device based on two-gear mechanical automatic transmission for pure electric automobile |
| CN102700409A (en) * | 2012-06-06 | 2012-10-03 | 吉林大学 | Vertical power-driven device for pure electric vehicle based on mechanical automatic transmission |
| CN102826191A (en) * | 2012-09-26 | 2012-12-19 | 贵州兴国新动力科技有限公司重庆分公司 | Drive device of electric motor car |
| CN103307223A (en) * | 2012-03-08 | 2013-09-18 | 扬州神舟汽车内饰件有限公司 | Speed changing box for gear shifting of synchronizer |
| CN103307222A (en) * | 2013-06-13 | 2013-09-18 | 同济大学 | Mechanical automatic transmission of electric automobile provided with overrun clutch |
| CN103438173A (en) * | 2013-09-06 | 2013-12-11 | 重庆和合机电有限公司 | Mechanical self-adapted automatic speed changing device of electric vehicle |
| CN103851183A (en) * | 2012-12-07 | 2014-06-11 | 上海汽车集团股份有限公司 | Vehicle one-way clutch motive power coupling transmission control device and method as well as automobile |
| CN104500664A (en) * | 2014-12-11 | 2015-04-08 | 哈尔滨一汽变速箱股份有限公司 | Parallelly connected double-clutch device for commercial vehicle |
| CN105041988A (en) * | 2015-08-25 | 2015-11-11 | 重庆青山工业有限责任公司 | Two-gear pure electric automobile transmission |
| CN105221684A (en) * | 2015-10-29 | 2016-01-06 | 吉林大学 | The two shift transmission of electric vehicle front-engine rear-drive |
| CN105299192A (en) * | 2015-10-29 | 2016-02-03 | 吉林大学 | Electric vehicle double-gear gearbox with dry clutches |
| CN105387164A (en) * | 2015-10-29 | 2016-03-09 | 吉林大学 | Double-gear wet-type clutch transmission for electric vehicle |
| CN105508525A (en) * | 2016-01-22 | 2016-04-20 | 吉林大学 | Electric driving system based on single planet row |
| CN105757210A (en) * | 2016-04-23 | 2016-07-13 | 中国第汽车股份有限公司 | Integrated driving device for two-level electric vehicle |
| CN105972163A (en) * | 2016-07-07 | 2016-09-28 | 洛阳天迈传动科技有限公司 | Dual-clutch and twin-shift-gear automatic transmission |
| CN109356978A (en) * | 2018-11-07 | 2019-02-19 | 柳州惠林科技有限责任公司 | One kind having reverse gear first gear single-direction transmission two-shift automatic variable speed device |
| CN109723769A (en) * | 2019-03-08 | 2019-05-07 | 重庆青山工业有限责任公司 | The two reduction gear of pure electric vehicle retarder |
| CN109899509A (en) * | 2019-04-10 | 2019-06-18 | 西南大学 | The self-adapting automatic gear shift power drive system of mechanical double overdrive clutch main shaft output |
| CN110039992A (en) * | 2018-01-15 | 2019-07-23 | 舍弗勒技术股份两合公司 | Bridge-drive system and the vehicles |
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| CN110748615A (en) * | 2019-09-29 | 2020-02-04 | 湖南奕普汽车科技有限公司 | Gear shifting device and gear shifting method of two-gear transmission |
| CN110945267A (en) * | 2017-08-14 | 2020-03-31 | 罗伯特·博世有限公司 | Transmission device |
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| WO2020165203A1 (en) * | 2019-02-14 | 2020-08-20 | Robert Bosch Gmbh | Power shiftable multi-gear transmission having freewheel |
| DE102020117078A1 (en) | 2020-06-29 | 2021-12-30 | Schaeffler Technologies AG & Co. KG | Two-speed transmission for an electrically powered motor vehicle; as well as motor vehicle |
| CN113915299A (en) * | 2021-10-26 | 2022-01-11 | 贺尔碧格传动技术(常州)有限公司 | Coupling and decoupling device for a transmission, electric drive and axle device |
| US11708898B2 (en) | 2021-03-31 | 2023-07-25 | Huawei Digital Power Technologies Co., Ltd. | Gear shifting mechanism, gearbox, powertrain, and electric vehicle |
| US11971089B2 (en) | 2021-03-26 | 2024-04-30 | Huawei Digital Power Technologies Co., Ltd. | Two-speed transmission system and vehicle |
-
2011
- 2011-04-14 CN CN2011201089476U patent/CN201992007U/en not_active Expired - Lifetime
Cited By (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392885A (en) * | 2011-06-24 | 2012-03-28 | 重庆大学 | Automatic transmission of pure electromobile double clutch |
| CN102518780A (en) * | 2011-12-16 | 2012-06-27 | 奇瑞汽车股份有限公司 | Motor-AMT (automated mechanical transmission) coupling mechanism |
| CN103307223A (en) * | 2012-03-08 | 2013-09-18 | 扬州神舟汽车内饰件有限公司 | Speed changing box for gear shifting of synchronizer |
| CN102678850B (en) * | 2012-05-04 | 2015-03-18 | 安玉森 | Two-gear automatic gearbox for automobiles |
| CN102678850A (en) * | 2012-05-04 | 2012-09-19 | 安玉森 | Two-gear automatic gearbox for automobiles |
| CN102678893A (en) * | 2012-05-29 | 2012-09-19 | 长城汽车股份有限公司 | Manual transmission |
| CN102678893B (en) * | 2012-05-29 | 2015-04-22 | 长城汽车股份有限公司 | Manual transmission |
| CN102700407A (en) * | 2012-06-06 | 2012-10-03 | 吉林大学 | Horizontal power-driven device based on two-gear mechanical automatic transmission for pure electric automobile |
| CN102700409A (en) * | 2012-06-06 | 2012-10-03 | 吉林大学 | Vertical power-driven device for pure electric vehicle based on mechanical automatic transmission |
| CN102826191A (en) * | 2012-09-26 | 2012-12-19 | 贵州兴国新动力科技有限公司重庆分公司 | Drive device of electric motor car |
| CN103851183B (en) * | 2012-12-07 | 2016-12-21 | 上海汽车集团股份有限公司 | Automobile-used one-way clutch power coupling transmission control device and method, automobile |
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