CN202560950U - Dual-clutch two-gear variable speed transmission apparatus - Google Patents
Dual-clutch two-gear variable speed transmission apparatus Download PDFInfo
- Publication number
- CN202560950U CN202560950U CN2012201476844U CN201220147684U CN202560950U CN 202560950 U CN202560950 U CN 202560950U CN 2012201476844 U CN2012201476844 U CN 2012201476844U CN 201220147684 U CN201220147684 U CN 201220147684U CN 202560950 U CN202560950 U CN 202560950U
- Authority
- CN
- China
- Prior art keywords
- clutch
- shaft
- variable speed
- grades
- gear
- Prior art date
- 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
Links
Images
Abstract
The utility model relates to the electric automobile field, more particularly to a dual-clutch two-gear variable speed transmission apparatus used for speed changing of an electric vehicle. The apparatus comprises a box body; an input shaft and a first driving gear sleeved on the input shaft as well as an output shaft and a second driven gear sleeved on the output shaft are arranged inside the box body; and the input shaft is connected with the output shaft by a first clutch. Besides, a first intermediate shaft and a first driven gear sleeved on the first intermediate shaft as well as a second intermediate shaft and a second driving gear sleeved on the second intermediate shaft are also arranged in the box body, wherein the first intermediate shaft is connected with the second intermediate shaft by a second clutch. And the first driving gear is engaged with the first driven gear and the second driven gear is engaged with the second driving gear. According to the utility model, the electric vehicle can obtain great traction and torque under the low speed by controlling the separation of the first clutch and engaging of the second clutch; and the motor can be in a stable running state by controlling the engaging of the first clutch and the separation of the second clutch.
Description
Technical field
The utility model relates to the electric vehicle field, more specifically to a kind of two grades of variable speed drives of two clutches that are used for the electric motor car speed change.
Background technique
Automobile has been the human indispensable traffic tool, but along with the increase of global warming and oil cost, forces people that electric vehicle is dropped into substantial contribution and develop research, with alleviate human to oil dependence and reduce pollution to environment.The conventional electric-powered automobile has direct current and exchanges dual mode; The dc controlled system is a primary element of controlling electric automobile during traveling speed with exchanging automatical control system; Though this electric control system can be regulated rotating speed of motor; Thereby the control speed of a motor vehicle requires different driving torques but can't change different road conditions.
Mostly the traditional electric automobile gearbox casing is that single motor driving has the fixedly gear-box of gear ratio; Owing to do not have clutch; Do not have the gearshift function; The performance of gear-box output does not reach optimization, electric vehicle the starting period or go up a slope the period during low cruise required tractive force bigger, can not discharge when needing the output high pulling torque; Electric vehicle can not satisfy in the time of need being in high rotary speed working, can not realize the maximum operational efficiency of traction electric machine.
The model utility content
The purpose of the utility model is to overcome the above-mentioned deficiency of existing technology; A kind of simple in structure, two grades of variable speed drives of two clutches with gearshift function are provided; The electric vehicle grade ability that two grades of variable speed drives of this pair clutch are installed is strong, and capacity usage ratio is high, and travelling and travelling comfort are good.
To achieve these goals, the technological scheme of the utility model employing is:
Two grades of variable speed drives of a kind of pair of clutch; Comprise casing; In casing, be provided with input shaft and be sleeved on first driving gear on the said input shaft; Output shaft and be sleeved on second driven gear on the said output shaft, said input shaft is connected with output shaft through first clutch, also is provided with first jack shaft in the said casing and is sleeved on first driven gear on first jack shaft; Second jack shaft and be sleeved on second driving gear on second jack shaft; Said first jack shaft is connected with second jack shaft through second clutch, first driving gear on the said input shaft and the engagement of first driven gear on first jack shaft, second driven gear on the said output shaft and the engagement of second driving gear on second jack shaft.
In two grades of variable speed drives of above-mentioned pair of clutch, be separately installed with speed probe on said first jack shaft and the output shaft, said speed probe is used to detect motor speed and output shaft rotating speed.
In two grades of variable speed drives of above-mentioned pair of clutch, said input shaft and output shaft on an axis, first jack shaft and second jack shaft are arranged in parallel between said input shaft, input shaft, first jack shaft, second jack shaft also on an axis.
In two grades of variable speed drives of above-mentioned pair of clutch, said first clutch and second clutch are friction clutch, fluid coupling, engagement sleeve or magnetic clutch.
In two grades of variable speed drives of above-mentioned pair of clutch, said first clutch and second clutch are respectively the electromagnetism contrate-gear-type clutch.
In two grades of variable speed drives of above-mentioned pair of clutch, two grades of variable speed drives of said pair of clutch have at a high speed
Gear and low speed gear.
In two grades of variable speed drives of above-mentioned pair of clutch, two grades of variable speed drives of said pair of clutch are when low gear, and first clutch breaks off, and second clutch is closed.
In two grades of variable speed drives of above-mentioned pair of clutch, two grades of variable speed drives of said pair of clutch are when high gear, and first clutch is closed, and second clutch breaks off.
In two grades of variable speed drives of above-mentioned pair of clutch, said electromagnetism contrate-gear-type clutch comprises driving link and driven member, and driving link and driven member are symmetrical set; Said driving link comprises mandrel and is sleeved on the fixed engagement dish on the said mandrel; Said fixed engagement dish and the mandrel initiatively end tooth axle that is composed of a fixed connection, said active end tooth axle sleeve is loaded in the clutch shaft bearing, and said fixed engagement dish is provided with the first coil groove away from driven member one side; First coil by the support parcel is loaded in the said first coil groove; Said driven member comprises splined shaft, and movable mesh plate is set in forms driven end tooth axle on the said splined shaft, and said driven end tooth axle sleeve is loaded in second bearing; Said movable mesh plate is provided with the second coil groove away from driving link one side, and second coil that is wrapped up by support is loaded in the said second coil groove.
In two grades of variable speed drives of above-mentioned pair of clutch, the central shaft hole of said movable mesh plate is provided with and the suitable keyway of the key tooth of said splined shaft.
In two grades of variable speed drives of above-mentioned pair of clutch; The end face center of said splined shaft is provided with locating stud; The center of fixed engagement dish offers the positioning hole suitable with locating stud; The positioning hole of the locating stud of splined shaft and fixed engagement dish is complementary, make fixed engagement dish and movable mesh plate can be after engagement retainer shaft to one heart.
In two grades of variable speed drives of above-mentioned pair of clutch, the card of said fixed engagement dish is provided with the end face tooth, and the card of movable mesh plate is provided with the end face groove that is meshed with said end face tooth.
In two grades of variable speed drives of above-mentioned pair of clutch, said end face tooth or end face groove axially evenly distribute around its place mesh plate.
In two grades of variable speed drives of above-mentioned pair of clutch, said end face tooth or end face groove become five equilibrium spaced apart.
In two grades of variable speed drives of above-mentioned pair of clutch, the height of said end face tooth is consistent with the degree of depth of end face groove.
In two grades of variable speed drives of above-mentioned pair of clutch, the width of said end face groove is a bit larger tham the width of end face tooth.
In two grades of variable speed drives of above-mentioned pair of clutch, the splined shaft away from driving link one side behind the said movable mesh plate is provided with thrust pad.
In two grades of variable speed drives of above-mentioned pair of clutch, said first coil stationary is not rotated with the rotation of fixed engagement dish in the first coil groove; Said second coil stationary is not rotated with the rotation of movable mesh plate in the second coil groove.
Two grades of variable speed drives of two clutches of the utility model comprise input shaft, first jack shaft, second jack shaft, output shaft, first driving gear, second driving gear, first driven gear, second driven gear, and first driving gear is fixed on the input shaft; First driven gear is fixed on first jack shaft; Second driving gear is fixed on second jack shaft; Second driven gear is fixed on the output shaft.The gear ratio flexible design of two grades of variable speed drives of two clutches can be set first driving gear and first driven gear according to design demand, the velocity ratio of second driving gear and second driven gear.
Compared with prior art, the beneficial effect of the utility model:
1, because electric vehicle has two grades of variable speed drives of two clutches of the utility model; Make motor speed be reduced to design load through first clutch separation and second clutch closure in the control variable speed drive; Make vehicle under low speed, obtain bigger tractive force and moment of torsion, grade ability is strong; The closed separation input shaft is linked to each other with output shaft through first clutch in the control variable speed drive with second clutch; So that power is directly passed to output shaft; Just high rotating speed can be provided when making electric vehicle need high rotating speed; Let motor be in steady operational status, realize the maximum operational efficiency of traction electric machine, capacity usage ratio is high.
2, the inner layout that adopts parallel axes of two grades of variable speed drives of two clutches, simple in structure, volume is little, has reduced motor cost and weight, does not more steadily have impact during variable speed operation, and reliability is high, has increased the rideability and the driving comfortability of electric motor car.
3, two grades of clutches that variable speed drive adopted of two clutches are the electromagnetism contrate-gear-type clutch; This clutch can be avoided friction clutch short shortcoming in working life; Quick, the reliable transmitting large torque of ability, clutch adopts electronic control, conveniently handles and be easy to realize; Use the electromagnetism contrate-gear-type clutch gearshift time short, reduced loss at the shift process medium power.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the structural representation of electromagnetism contrate-gear-type clutch among the embodiment 1.
Fig. 3 is the Surface of action structural representation of fixed engagement dish among Fig. 2.
Fig. 4 is the Surface of action structural representation of movable mesh plate among Fig. 2.
Fig. 5 is the structural representation of fixed engagement dish and movable mesh plate in the electromagnetism contrate-gear-type clutch.
Mark among the figure: 1-driving link, 2-driven member, 3-fixed engagement dish, 4-mandrel, 5-clutch shaft bearing, 6-first coil; The 7-support, the movable mesh plate of 8-, 9-splined shaft, 10-second bearing, 11-second coil, 12-locating stud; The 13-positioning hole, 14-keyway, 15-thrust pad, the 16-first coil groove, the 17-second coil groove, 18-input shaft; The 19-output shaft, 20-first jack shaft, 21-second jack shaft, 22 first clutches, 23 second clutches, 24-bearing; 25-first speed probe, 26-second speed probe, A-first driven gear, B-first driving gear, C-second driving gear, D-second driven gear.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
For the purpose, technological scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Embodiment 1
Shown in accompanying drawing 1; Two grades of variable speed drives of two clutches of present embodiment; Comprise casing; In casing, be provided with input shaft 18 and be sleeved on the first driving gear B on the said input shaft 18; Output shaft 19 and be sleeved on the second driven gear D on the said output shaft 19, said input shaft 18 is set with in bearing 24 with output shaft 19, and said input shaft 18 is connected with output shaft 19 through first clutch 22; Also be provided with first jack shaft 20 in the said casing and be sleeved on the first driven gear A on first jack shaft 20; Second jack shaft 21 and be sleeved on the second driving gear C on second jack shaft 21, said first jack shaft 20 and second jack shaft 21 are set with in bearing 24, and said first jack shaft 20 is connected with second jack shaft 21 through second clutch 23; 20 first driven gear A engagement on the first driving gear B on the said input shaft 18 and first jack shaft, second driven gear D on the said output shaft 19 and the engagement of the second driving gear C on second jack shaft 21.On said first jack shaft 20 first speed probe 25 is installed, is used to detect rotating speed of motor; Second speed probe 26 is installed on the said output shaft 19, is used to detect the rotating speed of output shaft 19.
The working principle of the two two grades of variable speed drives of clutch of present embodiment is:
Automobile is in the starting period or go up a slope the period during low cruise, and required tractive force is bigger, and two grades of variable speed drives of two clutches are arranged on the low speed gear; First clutch 22 disconnections this moment; Second clutch 23 closures at first get into input shaft 18 from the power of motor, and the first driving gear B that is sleeved on the input shaft 18 is meshing with each other with the first driven gear A that is sleeved on first jack shaft 20; Through the one-level speed change, power is given first jack shaft 20 through gear transmission.Because second clutch 23 closures; The rotating speed of first jack shaft 20 and second jack shaft 21 equates; The second driving gear C that is sleeved on second jack shaft 21 is meshing with each other with the second driven gear D that is sleeved on the output shaft 19, and through two stage speed change, power is given output shaft 19 through gear transmission.Through setting the input shaft 18 and first jack shaft 20; The gear ratio of second jack shaft 21 and output shaft 19, the rotating speed that makes output shaft 19 has reduced by three times (three are the gear ratio after the two-stage speed change) with respect to the rotating speed of input shaft 18, under the certain situation of output power; Tractive force and speed are inversely proportional to; The output shaft rotating speed reduces, and then wheel torque and vehicle towed power increase, and satisfies the demand of automobile in the starting period or the period of going up a slope.
During electric vehicle starting back high speed operation, in the time of need not increasing vehicle towed power, can directly two grades of variable speed drives of two clutches be arranged on the high speed gear, this moment, first clutch was closed, and second clutch breaks off.Input shaft 18 directly is connected through first clutch 22 with output shaft 19, breaks off owing to connect the second clutch 23 of first jack shaft 20 and second jack shaft 21, and therefore the first driven gear A and the second driving gear C are in idling conditions, not transferring power.Power from motor at first gets into input shaft 18; Directly give output shaft 19 through first clutch 22 with transmission of power; The rotating speed of input shaft 18 and output shaft 19 equates; The rotating speed of output shaft 19 is improved so that satisfy the electric vehicle high speed operation with respect to the rotating speed in when climbing, lets motor also be in steady operational status, improves energy utilization efficiency.
First clutch in the present embodiment and second clutch are the electromagnetism contrate-gear-type clutch; Comprise driving link 1 and driven member 2 like first clutch 22; Driving link 1 is symmetrical set with driven member 2; Said driving link comprises mandrel 4 and is sleeved on the fixed engagement 3 on the said mandrel 4, said fixed engagement dish 3 and the mandrel 4 initiatively end tooth axle that is composed of a fixed connection, and said active end tooth axle sleeve is loaded in the clutch shaft bearing 5; Said fixed engagement dish 3 is provided with the first coil groove 16 away from driven member 2 one sides, and first coil 6 that is wrapped up by support 7 is loaded in the said first coil groove 16; Said driven member comprises splined shaft 9; Movable mesh plate cover 8 is loaded on forms driven end tooth axle on the said splined shaft 9; The central shaft hole of said movable mesh plate 8 is provided with the keyway 14 suitable with the key tooth of said splined shaft 9; Said driven end tooth axle sleeve is loaded in second bearing 10, and said movable mesh plate 8 is provided with the second coil groove 17 away from driving link one side, adorns 11 in the said second coil groove 17 by second coil of support 7 parcels.Said mandrel 4 is connected with input shaft 18, and splined shaft 9 is connected with output shaft 19.Shown in accompanying drawing 3, accompanying drawing 4; The card of movable mesh plate is provided with the end face groove that is meshed with said end face tooth; Said end face tooth or end face groove evenly distribute around the axial five equilibrium of its place mesh plate at interval; The height of end face tooth is consistent with the degree of depth of end face groove, and for smooth engagement, the width of end face groove is a bit larger tham the width of end face tooth.
During the work of electromagnetism contrate-gear-type clutch, be seated in first coil, 6 energisings of 16 li of the first coil grooves in the driving link, make the magnetic force of fixed engagement dish 3 polarizations for " S "; Through controlling the electrode of second coil 11, make the magnetic force of movable mesh plate 8 polarizations, because fixed engagement dish 3 is fixedly connected with mandrel 4 for " N "; And movable mesh plate 8 is enclosed within on the splined shaft 9; Movable mesh plate 8 receives the attraction of electromagnetic force, on splined shaft 9, to front slide, meshes until fixed engagement dish 3 and movable mesh plate 8; Shown in accompanying drawing 5; Be the structural representation of fixed engagement dish and movable mesh plate (having omitted the end face groove that is provided with on the card of the end face tooth that is provided with on the card of fixed engagement dish and movable mesh plate among the figure) that the end face center of said splined shaft 9 is provided with locating stud 12, the center of fixed engagement dish 3 offers the positioning hole 13 suitable with locating stud 12; The locating stud 12 of splined shaft 9 cooperates with the positioning hole 13 of fixed engagement dish 3; Guarantee fixed engagement dish 3 and movable mesh plate 8 can be after engagement retainer shaft to one heart, said first coil stationary is not rotated with the rotation of fixed engagement dish in the first coil groove; Said second coil stationary is not rotated with the rotation of movable mesh plate in the second coil groove.When the electrode that changes second coil 11; When movable mesh plate 8 polarizations are the magnetic force of " N "; The movable mesh plate 8 that is enclosed within on the splined shaft 9 slides backward on splined shaft 9, and fixed engagement dish 3 broke away from 8 moments of movable mesh plate, slides backward hypertelorism in order to prevent 8 moments of movable mesh plate; And be prone to the bump that causes, on movable mesh plate 8 splined shafts 9 of back, be provided with thrust pad 15 away from driving link one side to parts at the back.The engagement of electromagnetism contrate-gear-type clutch and disengaging all rely on the electromagnetic force that changes, and come transmitting torque through mesh plate, have reduced friction, have increased working life, quick, the reliable transmitting large torque of ability, and clutch employing electronic control is conveniently handled and is easy to realize; The gearshift time is short, has reduced the loss at the shift process medium power.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (9)
1. two two grades of variable speed drives of clutch; Comprise casing; In casing, be provided with input shaft and be sleeved on first driving gear on the said input shaft; Output shaft and be sleeved on second driven gear on the said output shaft, said input shaft is connected with output shaft through first clutch, it is characterized in that: also be provided with first jack shaft in the said casing and be sleeved on first driven gear on first jack shaft; Second jack shaft and be sleeved on second driving gear on second jack shaft; Said first jack shaft is connected with second jack shaft through second clutch, first driving gear on the said input shaft and the engagement of first driven gear on first jack shaft, second driven gear on the said output shaft and the engagement of second driving gear on second jack shaft.
2. two grades of variable speed drives of pair clutch according to claim 1 is characterized in that: be separately installed with speed probe on said first jack shaft and the output shaft.
3. two grades of variable speed drives of pair clutch according to claim 1 and 2 is characterized in that: said input shaft and output shaft on an axis, first jack shaft and second jack shaft are also on an axis.
4. two grades of variable speed drives of pair clutch according to claim 3 is characterized in that: said first clutch and second clutch are friction clutch, fluid coupling, engagement sleeve or magnetic clutch.
5. two grades of variable speed drives of pair clutch according to claim 4, it is characterized in that: said first clutch and second clutch are respectively the electromagnetism contrate-gear-type clutch.
6. two grades of variable speed drives of pair clutch according to claim 5; It is characterized in that: said electromagnetism contrate-gear-type clutch, comprise driving link and driven member, driving link and driven member are symmetrical set; Said driving link comprises mandrel and is sleeved on the fixed engagement dish on the said mandrel; Said fixed engagement dish and the mandrel initiatively end tooth axle that is composed of a fixed connection, said active end tooth axle sleeve is loaded in the clutch shaft bearing, and said fixed engagement dish is provided with the first coil groove away from driven member one side; First coil by the support parcel is loaded in the said first coil groove; It is characterized in that: said driven member comprises splined shaft, and movable mesh plate is set in forms driven end tooth axle on the said splined shaft, and said driven end tooth axle sleeve is loaded in second bearing; Said movable mesh plate is provided with the second coil groove away from driving link one side, and second coil that is wrapped up by support is loaded in the said second coil groove.
7. two grades of variable speed drives of pair clutch according to claim 6 is characterized in that: the end face center of said splined shaft is provided with locating stud, and the center of fixed engagement dish offers the positioning hole suitable with locating stud.
8. two grades of variable speed drives of pair clutch according to claim 6, it is characterized in that: the card of said fixed engagement dish is provided with the end face tooth, and the card of movable mesh plate is provided with the end face groove that is meshed with said end face tooth.
9. two grades of variable speed drives of pair clutch according to claim 6 is characterized in that: the splined shaft away from driving link one side behind the said movable mesh plate is provided with thrust pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201476844U CN202560950U (en) | 2012-04-10 | 2012-04-10 | Dual-clutch two-gear variable speed transmission apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201476844U CN202560950U (en) | 2012-04-10 | 2012-04-10 | Dual-clutch two-gear variable speed transmission apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202560950U true CN202560950U (en) | 2012-11-28 |
Family
ID=47210610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201476844U Expired - Lifetime CN202560950U (en) | 2012-04-10 | 2012-04-10 | Dual-clutch two-gear variable speed transmission apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202560950U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392883A (en) * | 2011-11-03 | 2012-03-28 | 上海中科深江电动车辆有限公司 | Two-gear electric control mechanical type automatic gearbox used for electric automobile |
| CN102619932A (en) * | 2012-04-10 | 2012-08-01 | 成都凯迈科技有限公司 | Double-clutching two-gear speed transforming transmission and double-clutching method of speed transforming transmission |
| CN106763542A (en) * | 2016-12-16 | 2017-05-31 | 中国石油天然气集团公司 | A kind of speed-changing gear box |
| CN106931084A (en) * | 2015-12-31 | 2017-07-07 | 重庆硬核派传动科技有限公司 | A kind of pair of speed transmission of clutch two |
| CN107407378A (en) * | 2015-02-13 | 2017-11-28 | 伊顿公司 | Twin countershaft transmission with spline |
| CN109986956A (en) * | 2017-12-29 | 2019-07-09 | 比亚迪股份有限公司 | Power-driven system and vehicle |
| CN113606296A (en) * | 2021-08-04 | 2021-11-05 | 朱丽鹏 | Overload slow-changing type starting connection device for large-scale rotating shaft |
-
2012
- 2012-04-10 CN CN2012201476844U patent/CN202560950U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392883A (en) * | 2011-11-03 | 2012-03-28 | 上海中科深江电动车辆有限公司 | Two-gear electric control mechanical type automatic gearbox used for electric automobile |
| CN102619932A (en) * | 2012-04-10 | 2012-08-01 | 成都凯迈科技有限公司 | Double-clutching two-gear speed transforming transmission and double-clutching method of speed transforming transmission |
| CN107407378A (en) * | 2015-02-13 | 2017-11-28 | 伊顿公司 | Twin countershaft transmission with spline |
| CN106931084A (en) * | 2015-12-31 | 2017-07-07 | 重庆硬核派传动科技有限公司 | A kind of pair of speed transmission of clutch two |
| CN106763542A (en) * | 2016-12-16 | 2017-05-31 | 中国石油天然气集团公司 | A kind of speed-changing gear box |
| CN109986956A (en) * | 2017-12-29 | 2019-07-09 | 比亚迪股份有限公司 | Power-driven system and vehicle |
| CN113606296A (en) * | 2021-08-04 | 2021-11-05 | 朱丽鹏 | Overload slow-changing type starting connection device for large-scale rotating shaft |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202560950U (en) | Dual-clutch two-gear variable speed transmission apparatus | |
| TWI583575B (en) | Individual-powered dual cvt differential system with stabilizing device | |
| CN102619936A (en) | Three-clutch three-gear speed change transmission device and three-clutch method thereof | |
| WO2019192291A1 (en) | Dual-power source dual-drive assembly for vehicle | |
| CN105346410A (en) | Dual-motor power driving assembly | |
| CN106891717B (en) | Duplex drive axle capable of realizing lifting and driving of rear axle | |
| CN203580592U (en) | Second-gear transaxle assembly of electric vehicle | |
| CN103434389B (en) | There is endless-track vehicle electric actuator and the method for straight servomechanism | |
| CN102619932A (en) | Double-clutching two-gear speed transforming transmission and double-clutching method of speed transforming transmission | |
| WO2019019292A1 (en) | Vehicle dual power source and dual drive assembly | |
| CN207128596U (en) | A kind of vehicle dual power source dual drive assembly | |
| CN201696557U (en) | Electric miniature vehicular electromagnetic clutch gearbox | |
| WO2010133155A1 (en) | Driving system for electric vehicle | |
| CN109466296B (en) | Central integrated double-motor double-reducer electric drive axle assembly | |
| CN202531749U (en) | Three-clutch three-gear variable-speed transmission device | |
| CN109278530B (en) | Hybrid-power-based four-gear transmission power system | |
| CN104827884A (en) | Power output system and vehicle having same | |
| WO2023206720A1 (en) | Electric drive axle and automobile | |
| CN200995607Y (en) | Electric-car bridge integrated with motor gearbox | |
| CN112303196A (en) | Pure electric two-gear transmission system and vehicle | |
| CN215621354U (en) | Coaxial integrated double-motor extra-inferior double-speed-ratio electric drive assembly with disengagement function | |
| CN206797095U (en) | A kind of horizontal dual power source vehicle traction assembly | |
| CN109835167B (en) | Two-gear differential coupling hybrid power transmission system with P3 structure | |
| CN210416189U (en) | Double-speed-ratio pure electric truck drive axle with power takeoff | |
| CN220865192U (en) | Dual-motor electric drive axle, vehicle comprising same and machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121128 |
|
| CX01 | Expiry of patent term |