CN204921928U - Electric automobile derailleur tooth shafting all - Google Patents
Electric automobile derailleur tooth shafting all Download PDFInfo
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- CN204921928U CN204921928U CN201520627091.1U CN201520627091U CN204921928U CN 204921928 U CN204921928 U CN 204921928U CN 201520627091 U CN201520627091 U CN 201520627091U CN 204921928 U CN204921928 U CN 204921928U
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Abstract
The utility model provides an electric automobile derailleur tooth shafting all, includes: main motor, vice motor, input shaft assembly, output shaft assembly, box and differential mechanism, wherein: main motor sets up respectively in the box both sides with vice motor, and input shaft assembly and output shaft assembly set up inside the box, and the input shaft overall composition do not links firmly with main motor and vice motor mutually, the gear of output shaft assembly and the gear intermeshing of input shaft gear assembly, and the output shaft assembly links to each other with the differential mechanism, the utility model provides a power kind of drive of three kinds of gears, the power moment of torsion of three kinds of differences of output can adapt to the needs of different road conditions, can provide bigger power for current electric motor car, does benefit to car climbing etc. A set of gear of major -minor motor sharing, the smoothness nature of gear shift, unpowered interrupt among the shifting impact have been guaranteed to no clutch. Entire system's structure is simple relatively, and mechanical efficiency is high.
Description
Technical field
The utility model relates to a kind of technology in automotive transmission field, specifically a kind of electric automobile gear device tooth axle system.
Background technique
The drive transmission device of pure electric automobile has multiple, such as: the transmission drive system configuring many grades of driving mechanisms and clutch, and single speed transmission of no-clutch, two independently motor and the fixed gear driving mechanisms with live axle.Single grade of electric automobile gear system of no-clutch carrys out the travelling speed of vehicles mainly through the voltage and current changing input motor, when running into complex road condition, often occur situation about being short of power.The electric vehicle configuring many grades of slewing gears and clutch has multiple gear, and acceleration is good, but traditional speed changer structure is not suitable for vehicle electric system, and dynamic disruption during gear shift.
Through finding the retrieval of prior art, Chinese patent literature CN104776201, publication date is on 07 15th, 2014, disclose a kind of electric vehicle third gear drive unit and gear-shifting control method thereof, this third gear drive unit comprises motor and automatic mechanical transmission, Friction Disk in Shift Clutch can close with gear shift sleeve shell joint or be separated, gear shift sleeve shell empty set is on input shaft, Friction Disk in Shift Clutch is connected with input shaft, motor and input shaft affixed, first gear and the second gear empty set are on input shaft, first combined cover to be arranged between the first gear and the second gear and to be fixed by socket on input shaft, 5th gear empty set is on gear shift sleeve shell, second combined cover is between the 3rd gear and the 5th gear and be fixed by socket on input shaft, 6th gear, 4th gear is all connected with output shaft with the second gear, pass through Friction Disk in Shift Clutch in gearshift procedure, gear shift sleeve shell and first, the control of two combined covers realizes.But this device power source only has a motor, when automobile needs climbing, sufficient power cannot be provided.
Retrieval through prior art finds, Chinese patent literature CN204459019, publication date on 07 08th, 2015, disclose a kind of electric vehicle dual-motor four speed transmission, these both sides, speed changer two ends are provided with two motor, comprise gear I and engage the one grade of gear mesh formed with gear II, engage with gear VII intermediate gear pair formed by gear III, and engaged the third gear and fourth gear pair that form by gear VI and duplicate gear IV, clutch collar I, combined cover II, clutch collar III, transmission input shaft I, transmission input shaft II and transmission output shaft.This device can provide four gears for every platform motor, but system architecture is complicated, improves manufacture and maintenance cost.
Chinese patent literature CN104290582A, open (bulletin) day 2015.01.21, disclose a kind of electric automobile gear-box of Dual-motors Driving, object is the problem in order to solve the compensation of current electric powered motor and energy regenerating, comprise mair motor, auxiliary-motor, it is characterized in that described mair motor connects input shaft by automatic clutch, add auxiliary-motor at the other end of input shaft or one end of jack shaft, jack shaft is provided with synchronizer; Mair motor and auxiliary-motor are associated together by controller, and controller controls auxiliary-motor according to Main motor current change and Vehicle Speed and starts, quits work.But this technology must carry out gear shift by the work of clutch, dynamic interruption in gearshift procedure, gear shift is not smooth.
Chinese patent literature CN102085795A, open (bulletin) day 2011.06.08, disclose the hybrid electric drive system that a kind of automobile-used series/parallel double-motor two clutch and synchronizer combine gear shift, it comprises motor, main drive motor, integrated starter-generator, differential mechanism, first axle (main shaft), first order speed reducer, second level speed reducer, first clutch, second clutch and synchronizer, described synchronizer can slide on described first axle, described first axle connects described first order speed reducer or second level speed reducer respectively by described synchronizer.But this technology has two clutches, and gearshift procedure has power interruption, and gear shift is not smooth, and structure is too complicated, ECU (Electrical Control Unit) needs very accurate, and manufacture cost is higher.
Model utility content
The utility model, for prior art above shortcomings, proposes a kind of electric automobile gear device tooth axle system.
The utility model is achieved through the following technical solutions:
The utility model comprises: mair motor, auxiliary-motor, input shaft assembly, output shaft assembly, casing and differential mechanism, wherein: mair motor and auxiliary-motor are arranged at casing both sides respectively, input shaft assembly and output shaft assembly are arranged at box house, input shaft assembly is connected mutually with mair motor and auxiliary-motor respectively, the gear of output shaft assembly and the gear of input shaft assembly engage each other, and output shaft assembly is connected with differential mechanism.
Described input shaft assembly comprises: one end is provided with the first input shaft of axis hole, second input shaft, first driving gear, second driving gear, first in conjunction with tooth, second in conjunction with tooth and synchronizer, wherein: the second input shaft is the motor shaft of mair motor, first input shaft also can adopt the structure identical with the second input shaft, one end that free end and first input shaft of the second input shaft are provided with axis hole is connected, the first input shaft the other end is connected with casing, first driving gear is arranged in the middle part of the first input shaft, second driving gear is arranged on the second input shaft, synchronizer is arranged between the first driving gear and the second driving gear, first is arranged on the first driving gear end face relative with synchronizer with the second driving gear in conjunction with tooth with second respectively in conjunction with tooth.
Described output shaft assembly comprises: output shaft, the first driven gear and the second driven gear, wherein: the first driven gear and the second driven gear are located at output shaft two ends respectively, main deceleration driving gear is provided with in the middle part of output shaft, first driven gear is meshed with the first driving gear, and the second driven gear and the second driving gear are meshed.
Described main deceleration driving gear is connected with the differential mechanism be arranged on casing by main reduction driven gear.
Technique effect
Compared with prior art, the utility model provides the power transmission mode of three kinds of gears, exports three kinds of different dynamic torques, can adapt to the needs of different road conditions, can provide larger power relative to existing electric motor car, be beneficial to automobile climbing etc.Major-minor motor shares one group of gear, by saving clutch part, ensure that the fluency of gear shift, power failure-free in gearshift procedure.The structure of whole system is relatively simple, and mechanical efficiency is high.
Accompanying drawing explanation
Fig. 1 is electric automobile gear device tooth axle system overall structure schematic diagram;
Fig. 2 is input shaft assembly structure schematic diagram;
Fig. 3 is output shaft assembly structure schematic diagram;
Fig. 4 is neutral gear power transmission line schematic diagram;
Fig. 5 is one grade of power transmission line schematic diagram;
Fig. 6 is second gear power transmission line schematic diagram;
In figure: 1 auxiliary-motor; 2 mair motor; 3 first input shafts; 4 second input shafts; 5 first driving gears; 6 second driving gears; 7 first in conjunction with tooth; 8 second in conjunction with tooth; 9 synchronizers; 10 output shafts; 11 first driven gears; 12 second driven gears; 13 main reduction driven gear; 14 differential mechanisms; 15 casings; 16 input shaft assemblies; 17 output shaft assemblies; 18 main deceleration driving gears.
Embodiment
Below embodiment of the present utility model is elaborated; the present embodiment is implemented under premised on technical solutions of the utility model; give detailed mode of execution and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Embodiment 1
As shown in Figure 1, the present embodiment comprises: auxiliary-motor 1, mair motor 2, casing 15, input shaft assembly 16 and output shaft assembly 17.Described auxiliary-motor 1 and mair motor 2 are arranged at the both sides of casing 15 respectively.Input shaft assembly 16 is arranged at casing 15 neutral position, is connected mutually respectively with auxiliary-motor 1 and mair motor 2.The gear of output shaft assembly 17 and the gear of input shaft assembly 16 engage each other.
As shown in Figure 2, described input shaft assembly 16 comprises: the first input shaft 3, second input shaft 4, first driving gear 5, second driving gear 6, first in conjunction with tooth 7, second in conjunction with tooth 8 and synchronizer 9.The left end of the first input shaft 3 is connected mutually by spline and auxiliary-motor, and the second input shaft 4 is the motor shaft of mair motor 2.The right-hand member axle center place of the first input shaft is provided with axis hole, and the left end of the second input shaft 4 passes through needle bearing empty set in the right-hand member axis hole of the first input shaft 3.First input shaft 3 and the second input shaft 4 are fixed on the intermediate portion of casing 15 respectively by bearing.
The first described driving gear 5 is by needle bearing empty set at the middle part of the first input shaft 3, and first is welded on the right side of the first driving gear 5 in conjunction with tooth 7.Second driving gear 6 is arranged on the second input shaft 4 by spline, and second is welded on the left side of the second driving gear 6 in conjunction with tooth 8.Synchronizer 9 is arranged on the first input shaft 3 by spline, can horizontally slip vertically on the first input shaft 3.
As shown in Figure 3, described output shaft assembly 17 comprises: output shaft 10, first driven gear 11 and the second driven gear 12.The middle part of output shaft 10 is provided with main deceleration driving gear 18, and main deceleration driving gear 18 and main reduction driven gear 13 are meshed.First driven gear 11 is arranged at the left end of output shaft 10 by spline, the second driven gear 12 is arranged at the right-hand member of output shaft 10 by spline.Output shaft 10 is fixed on casing 15 by bearing.
The first described driven gear 11 and the first driving gear 5 are meshed, and the velocity ratio between the first driven gear 11 and the first driving gear 5 is the first velocity ratio.Second driving gear 6 and the second driven gear 12 are meshed, and velocity ratio is between the two the second velocity ratio.
Described main reduction driven gear 13 is fixedly connected with differential mechanism 14 by bolt, and differential mechanism 14 is arranged on casing 15 by bearing.
Described synchronizer 9 can horizontally slip in the axis of the first input shaft 3, combines in conjunction with tooth 7 or the second with first in conjunction with tooth 8.
Described input shaft assembly 16 is a kind of cover axle construction be made up of the first input shaft 3 and the second input shaft 4, by the slip of synchronizer 9, can form three gears.
As shown in Figure 4, when synchronizer 9 hangs over neutral position, for neutral gear, the first input shaft 3 and the second input shaft 4 disconnect, and mair motor 2 is successively by the second driving gear 6, second driven gear 12, main deceleration driving gear 18, main reduction driven gear 13 and differential mechanism 14 outputting power.Now, auxiliary-motor 1 does not provide power, and the moment of torsion that mair motor 2 exports is minimum, is applicable to automobile cruise and drives, save electric power.
As shown in Figure 5, synchronizer 9 combines in conjunction with tooth 8 with second, is one grade, and the first input shaft 3 is connected with the second input shaft 4.Auxiliary-motor 1 and mair motor 2 run simultaneously, and successively by the second driving gear 6, second driven gear 12, main deceleration driving gear 18, main reduction driven gear 13 and differential mechanism 14 outputting power.Due to, auxiliary-motor 1 and mair motor 2 realize synchronous axial system by the first input shaft 3 and the second input shaft 4, can export larger moment of torsion, provide larger power.
As shown in Figure 6, synchronizer 9 combines in conjunction with tooth 7 with first, is second gear, and the first input shaft 3 and the second input shaft 4 disconnect, and the first driving gear 5 and the first input shaft 3 combine.The power of auxiliary-motor 1 is delivered to differential mechanism 14 by the first driving gear 5, first driven gear 11 and main deceleration driving gear 18.The power of mair motor 2 is delivered to differential mechanism 14 by the second driving gear 6, second driven gear 12 and main deceleration driving gear 18.Because to be meshed with the first driving gear 5 the first velocity ratio of being formed of the first driven gear 11 is greater than the second driven gear 12 and is meshed with the second driving gear 6 the second velocity ratio formed, and the rotating speed of output shaft 10 is consistent, the rotating speed of the first input shaft 3 is made to be greater than the rotating speed of the second input shaft 4, therefore, when identical with moment of torsion, auxiliary-motor 1 output power reduces, thus both ensure that power character had and achieve good Economy.
This device compared with prior art, comprises major-minor motor, provides the power transmission mode of three kinds of gears, exports three kinds of different dynamic torques, can adapt to the needs of different road conditions, can provide larger power relative to existing electric motor car, be beneficial to automobile climbing etc.Major-minor motor shares one group of gear, and no-clutch, ensure that the fluency of gear shift, power failure-free in gearshift procedure.The structure of whole system is relatively simple, and mechanical efficiency is high.
Claims (4)
1. an electric automobile gear device tooth axle system, it is characterized in that, comprise: mair motor, auxiliary-motor, input shaft assembly, output shaft assembly, casing and differential mechanism, wherein: mair motor and auxiliary-motor are arranged at casing both sides respectively, input shaft assembly and output shaft assembly are arranged at box house, input shaft assembly is connected mutually with mair motor and auxiliary-motor respectively, and the gear of output shaft assembly and the gear of input shaft gear assembly engage each other, and output shaft assembly is connected with differential mechanism.
2. electric automobile gear device tooth axle system according to claim 1, it is characterized in that, described input shaft assembly comprises: one end is provided with the first input shaft of axis hole, second input shaft, first driving gear, second driving gear, first in conjunction with tooth, second in conjunction with tooth and synchronizer, wherein: the second input shaft is the motor shaft of mair motor, one end that free end and first input shaft of the second input shaft are provided with axis hole is connected, the first input shaft the other end is connected with casing, first driving gear is arranged in the middle part of the first input shaft, second driving gear is arranged on the second input shaft, synchronizer is arranged between the first driving gear and the second driving gear, first is arranged on the first driving gear end face relative with synchronizer with the second driving gear in conjunction with tooth with second respectively in conjunction with tooth.
3. electric automobile gear device tooth axle system according to claim 2, it is characterized in that, described output shaft assembly comprises: output shaft, the first driven gear and the second driven gear, wherein: the first driven gear and the second driven gear are located at output shaft two ends respectively, main deceleration driving gear is provided with in the middle part of output shaft, first driven gear is meshed with the first driving gear, and the second driven gear and the second driving gear are meshed.
4. electric automobile gear device tooth axle system according to claim 3, it is characterized in that, described main deceleration driving gear is connected with the differential mechanism be arranged on casing by main reduction driven gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520627091.1U CN204921928U (en) | 2015-08-19 | 2015-08-19 | Electric automobile derailleur tooth shafting all |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520627091.1U CN204921928U (en) | 2015-08-19 | 2015-08-19 | Electric automobile derailleur tooth shafting all |
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| CN204921928U true CN204921928U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520627091.1U Active CN204921928U (en) | 2015-08-19 | 2015-08-19 | Electric automobile derailleur tooth shafting all |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI610832B (en) * | 2016-01-15 | 2018-01-11 | 財團法人工業技術研究院 | Two-speed transmission having two clutches |
| CN107571728A (en) * | 2017-10-19 | 2018-01-12 | 上海汽车变速器有限公司 | Pure electric automobile dual-motor drive system |
| CN109519506A (en) * | 2017-09-20 | 2019-03-26 | 上海汽车集团股份有限公司 | Electric car and its drive system |
| CN109519505A (en) * | 2018-12-27 | 2019-03-26 | 凯博易控驱动(苏州)股份有限公司 | Bi-motor two keeps off power drive system, control method and electric car |
| CN109798343A (en) * | 2019-03-19 | 2019-05-24 | 赣州经纬科技股份有限公司 | A kind of bi-motor pure electric vehicle speed reducer assembly |
| CN110005789A (en) * | 2018-01-04 | 2019-07-12 | 上汽通用汽车有限公司 | Hybrid power gearbox motor inputs shafting structure |
| CN110605963A (en) * | 2018-06-15 | 2019-12-24 | 法雷奥离合器公司 | Transmission, in particular for a motor vehicle |
-
2015
- 2015-08-19 CN CN201520627091.1U patent/CN204921928U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI610832B (en) * | 2016-01-15 | 2018-01-11 | 財團法人工業技術研究院 | Two-speed transmission having two clutches |
| US10167930B2 (en) | 2016-01-15 | 2019-01-01 | Industrial Technology Research Institute | Two-speed transmission having two clutches |
| CN109519506A (en) * | 2017-09-20 | 2019-03-26 | 上海汽车集团股份有限公司 | Electric car and its drive system |
| CN109519506B (en) * | 2017-09-20 | 2021-09-21 | 上海汽车集团股份有限公司 | Electric automobile and driving system thereof |
| CN107571728A (en) * | 2017-10-19 | 2018-01-12 | 上海汽车变速器有限公司 | Pure electric automobile dual-motor drive system |
| CN107571728B (en) * | 2017-10-19 | 2023-09-26 | 上海汽车变速器有限公司 | Double-motor driving system of pure electric vehicle |
| CN110005789A (en) * | 2018-01-04 | 2019-07-12 | 上汽通用汽车有限公司 | Hybrid power gearbox motor inputs shafting structure |
| CN110605963A (en) * | 2018-06-15 | 2019-12-24 | 法雷奥离合器公司 | Transmission, in particular for a motor vehicle |
| CN109519505A (en) * | 2018-12-27 | 2019-03-26 | 凯博易控驱动(苏州)股份有限公司 | Bi-motor two keeps off power drive system, control method and electric car |
| CN109798343A (en) * | 2019-03-19 | 2019-05-24 | 赣州经纬科技股份有限公司 | A kind of bi-motor pure electric vehicle speed reducer assembly |
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