CN101722841A - Power assembly for vehicles - Google Patents
Power assembly for vehicles Download PDFInfo
- Publication number
- CN101722841A CN101722841A CN200810173251A CN200810173251A CN101722841A CN 101722841 A CN101722841 A CN 101722841A CN 200810173251 A CN200810173251 A CN 200810173251A CN 200810173251 A CN200810173251 A CN 200810173251A CN 101722841 A CN101722841 A CN 101722841A
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- gear
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- dynamic assembly
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Abstract
The invention relates to a power assembly for vehicles, which comprises a motor, a differential mechanism and a transmission mechanism, wherein the motor comprises a stator (1), a rotor (2) positioned in the stator, and a rotor shaft (3) fixedly connected with the rotor; the differential mechanism comprises a differential mechanism shell (11), an input gear (8) fixedly connected to the differential mechanism shell, and two half shafts (9, 10) extending out of the differential mechanism shell; the transmission mechanism is connected between the rotor shaft (3) connected to the motor and the input gear (8) of the differential mechanism; the rotor shaft is a hollow shaft, and any one of the two half shafts penetrates through the rotor shaft. The rotor shaft and the half shafts of the power assembly for vehicles are collinearly arranged, and therefore, the power assembly has smaller size, is convenient for the arrangement of other parts of the vehicles, and improves the riding comfort.
Description
Technical field
The present invention relates to a kind of dynamic assembly of vehicle, more particularly, relate to a kind of dynamic assembly that is used for electronlmobil or hybrid vehicle.
Background technology
The modern automobile function is more and more diversified, disposes more and more abundantlyer, and parts are more and more in the automobile, and occupation space is also increasing.Yet, consider from occupant's comfort level aspect, require vehicle that spacious riding space is arranged again.This is a pair of contradiction, in order to solve this contradiction, need optimize the structure and the spatial destribution of parts as much as possible.Particularly for electronlmobil and hybrid vehicle,, take bigger space, cause other parts difficult arrangement, thereby especially need to optimize the structure and the spatial destribution of parts owing to need the bigger battery of configuration volume.The present invention relates generally to the structure of the dynamic assembly of vehicle and layout is optimized.
As shown in Figure 1, the dynamic assembly of existing vehicle mainly comprises: motor, this motor comprise stator, are positioned at the rotor and the rotor shaft of captiveing joint with this rotor of this stator; Retarder, this retarder comprises the first gear P4, the second gear P5, the 3rd gear P7 and tween drive shaft, the described first gear P4 is fixedly connected on the described rotor shaft, described second gear P5 and the 3rd gear P7 are separately fixed at the two ends of described tween drive shaft, described second gear P5 and described first gear P4 engagement; And diff, two semiaxis P9 (only having shown one figure) that this diff comprises differential casing, is fixedly connected on the input gear P8 on this differential casing and stretches out from this differential casing, wherein said input gear P8 and described the 3rd gear P7 engagement.That is, the rotor shaft of motor is passed to retarder with power by the first gear P4 as power input shaft, and the 3rd gear P7 by retarder is passed to diff, and two the semiaxis P9 (as output shaft) by diff export two wheels respectively to then.
As can be seen from Figure 1, the available dynamic assembly is arranged to three parallel layouts of input shaft (being rotor shaft), tween drive shaft and output shaft (being the semiaxis of diff) usually.Because the volume ratio of diff is bigger, such three parallel layouts will make that radially taking up space of dynamic assembly is very big, increase the volume of dynamic assembly, thereby cause the difficult arrangement of other parts of vehicle, and reduced to take the space in the car, influence ride comfort.
Summary of the invention
The objective of the invention is at existing vehicle engine assembly volume bigger, thereby cause vehicle other parts difficult arrangement and also influence the problem of ride comfort, provide a kind of volume less vehicle engine assembly, thereby make things convenient for the layout of other parts of vehicle, and improve ride comfort.
The dynamic assembly of the vehicle that one embodiment of the present invention provide comprises: motor, this motor comprise stator, are positioned at the rotor and the rotor shaft of captiveing joint with this rotor of this stator; Two semiaxis that diff, this diff comprise differential casing, are fixedly connected on the input gear on this differential casing and stretch out from this differential casing; And transmission device, this transmission device is connected between the input gear of the rotor shaft of described motor and described diff; Wherein, described rotor shaft is a hollow shaft, and any one semiaxis in described two semiaxis passes described rotor shaft.
The vehicle engine assembly that this embodiment according to the present invention provides, rotor shaft is designed to hollow shaft, one of them semiaxis is arranged as passes this hollow rotor shaft, be that input shaft (rotor shaft) and output shaft (semiaxis) conllinear are arranged, therefore the volume of this dynamic assembly is less, thereby made things convenient for the layout of other parts of vehicle, and improved ride comfort.
Description of drawings
Fig. 1 is the rough schematic view of existing vehicle engine assembly;
Fig. 2 is the rough schematic view according to the vehicle engine assembly of one embodiment of the present invention;
Fig. 3 is the principle schematic that the vehicle engine assembly as shown in Figure 2 of retarder is adopted in explanation;
Fig. 4 is the scheme drawing that the principle of the vehicle engine assembly as shown in Figure 2 that adopts two-speed transmission is described.
The specific embodiment
Describe the specific embodiment of the present invention below with reference to the accompanying drawings in detail.
As shown in Figures 2 and 3, the dynamic assembly of the vehicle that one embodiment of the present invention provide comprises: motor, this motor comprise stator 1, are positioned at the rotor 2 and the rotor shaft 3 of captiveing joint with this rotor 2 of this stator 1; Two semiaxis 9,10 that diff, this diff comprise differential casing 11, are fixedly connected on the input gear 8 on this differential casing 11 and stretch out from this differential casing 11; And transmission device, this transmission device is connected between the input gear 8 of the rotor shaft 3 of described motor and described diff; Wherein, described rotor shaft 3 is a hollow shaft, and any one semiaxis 9 in described two semiaxis 9,10 passes described rotor shaft 3.
The vehicle engine assembly that this embodiment according to the present invention provides, rotor shaft 3 is designed to hollow shaft, one of them semiaxis 9 is arranged as passes this hollow rotor shaft 3, be that input shaft (rotor shaft 3) and output shaft (semiaxis 9) conllinear are arranged, therefore the volume of this dynamic assembly is less, thereby made things convenient for the layout of other parts of vehicle, and improved ride comfort.For example, also have bigger space, can be used to arrange park mechanisms such as (P shelves) at tween drive shaft 6 places.In addition, input shaft (rotor shaft 3) is designed to hollow shaft, under the prerequisite that the intensity, rigidity of guaranteeing axle etc. meet the demands, can also makes the material of axle obtain the utilization of maximal efficiency like this, can alleviate the weight of axle, reduce the loss of motor.
Described transmission device can realize that for example described transmission device can comprise retarder or change-speed box for various type of drive well known in the art.
As a kind of concrete embodiment, described transmission device can comprise retarder.This retarder also can adopt mode well known in the art to realize, for example, as shown in Figure 3, described retarder can comprise first gear 4, second gear 5, the 3rd gear 7 and tween drive shaft 6, described first gear 4 is fixedly connected on the described rotor shaft 3, described second gear 5 and the 3rd gear 7 are separately fixed at the two ends of described tween drive shaft 6, and described second gear 5 meshes with the input gear 8 of described diff with described first gear 4 engagements, described the 3rd gear 7.
As another kind of embodiment, described transmission device can comprise change-speed box.Described change-speed box can realize that for example, described change-speed box can be two-speed transmission for variety of way well known in the art.Described two-speed transmission can adopt various structure known in the field, for example, as shown in Figure 4, described two-speed transmission can comprise the one grade of driving gear 20 and the first speed driven gear 21 of constant-mesh, the second gear driving gear 12 of constant-mesh and second gear driven gear 19, the three gears 7, splined hub 16, sliding hub 15, tween drive shaft 6, and gearshift; Described one grade of driving gear 20 and second gear driving gear 12 are fixedly connected on the described rotor shaft 3, described first speed driven gear 21 and second gear driven gear 19 are connected on the described tween drive shaft 6 by bearing respectively, described the 3rd gear 7 and splined hub 16 are fixedly connected on the described tween drive shaft 6, described the 3rd gear 7 meshes with the input gear 8 of described diff, and described gearshift optionally makes described sliding hub 15 that described first speed driven gear 21 or second gear driven gear 19 are engaged with described splined hub 16.The concrete structure of described gearshift is known in this field, does not repeat them here.For example, this two-speed transmission can also comprise that first speed driven gear engages gear ring 13, one grade of battery ring 14, second gear driven gear engage gear ring 18, second gear battery ring 17.When gearshift moves to left sliding hub 15 and engages gear ring 13 with first speed driven gear and engage, the change-speed box put in first gear; When sliding hub 15 moved to right and engages gear ring 18 with the second gear driven gear and engage, change-speed box was hung into second gear.In this transmission scheme, rotor axis of electric 3 and one grade of driving gear 20, second gear driving gear 12 can achieve a fixed connection by spline or other variety of ways well known in the art.This scheme is not limited to two-speed transmission, also can develop multi-speed gear box according to the principle of this patent.
In embodiment mentioned above, captiveing joint between rotor shaft 3 and first gear 4, between second gear 5 and the 3rd gear 7 and the tween drive shaft 6, between input gear 8 and the differential casing 11 can adopt variety of way well known in the art to realize.For example, described rotor shaft 3 can form as one with described first gear 4 or can captive joint by spline; Described second gear 5 can be captiveed joint with described tween drive shaft 6 by spline with the 3rd gear 7; Described input gear 8 can be captiveed joint with described differential casing 11 by bolt.
Described tween drive shaft 6 can be arranged as and described rotor shaft 3 parallel or inclinations, and as a kind of concrete embodiment, as shown in Figure 3, described tween drive shaft 6 is arranged abreast with rotor shaft 3.
Other concrete structure of described motor, change-speed box, retarder and diff is well known in the art, does not repeat them here.
Comprise that with transmission device above-mentioned retarder is the power delivery mode that example illustrates the dynamic assembly of above-mentioned vehicle below with reference to Fig. 3.Electric motor starting, rotor 2 are around stator 1 rotation, thereby rotor shaft 3 rotations drive first gear 4 of captiveing joint with this rotor shaft 3 and rotate, thereby rotate with first gear, 4 ingears, second gear 5, and power is delivered to the tween drive shaft 6 of retarder by motor., drive input gear 8 and rotate along with tween drive shaft 6 rotates with the 3rd gear 7 of tween drive shaft 6 captive joints.Input gear 8 is captiveed joint with differential casing 11, so power is delivered to diff by the tween drive shaft 6 of retarder, by the semiaxis 9 and semiaxis 10 outputs of diff, is delivered on the wheel on both sides at last.
Claims (10)
1. the dynamic assembly of a vehicle, this dynamic assembly comprises:
Motor, this motor comprise stator (1), are positioned at the rotor (2) and the rotor shaft (3) of captiveing joint with this rotor (2) of this stator (1);
Two semiaxis (9,10) that diff, this diff comprise differential casing (11), are fixedly connected on the input gear (8) on this differential casing (11) and stretch out from this differential casing (11);
Transmission device, this transmission device are connected between the input gear (8) of the rotor shaft (3) of described motor and described diff;
It is characterized in that described rotor shaft (3) is a hollow shaft, any one semiaxis (9) in described two semiaxis (9,10) passes described rotor shaft (3).
2. dynamic assembly according to claim 1 is characterized in that described transmission device comprises retarder.
3. dynamic assembly according to claim 2, it is characterized in that, described retarder comprises first gear (4), second gear (5), the 3rd gear (7) and tween drive shaft (6), described first gear (4) is fixedly connected on the described rotor shaft (3), described second gear (5) and the 3rd gear (7) are separately fixed at the two ends of described tween drive shaft (6), described second gear (5) and described first gear (4) engagement, described the 3rd gear (7) meshes with the input gear (8) of described diff.
4. dynamic assembly according to claim 3 is characterized in that, described rotor shaft (3) forms as one with described first gear (4) or captives joint by spline.
5. dynamic assembly according to claim 3 is characterized in that, described second gear (5) is captiveed joint with described tween drive shaft (6) by spline with the 3rd gear (7).
6. dynamic assembly according to claim 1 is characterized in that described transmission device comprises change-speed box.
7. dynamic assembly according to claim 6 is characterized in that, described change-speed box is a two-speed transmission.
8. dynamic assembly according to claim 7, it is characterized in that, described two-speed transmission comprises: one grade of driving gear (20) of constant-mesh and first speed driven gear (21), the second gear driving gear (12) of constant-mesh and second gear driven gear (19), the 3rd gear (7), splined hub (16), sliding hub (15), tween drive shaft (6), and gearshift; Described one grade of driving gear (20) and second gear driving gear (12) are fixedly connected on the described rotor shaft (3), described first speed driven gear (21) and second gear driven gear (19) are connected on the described tween drive shaft (6) by bearing respectively, described the 3rd gear (7) and splined hub (16) are fixedly connected on the described tween drive shaft (6), described the 3rd gear (7) meshes with the input gear (8) of described diff, and described gearshift optionally makes described sliding hub (15) that described first speed driven gear (21) or second gear driven gear (19) are engaged with described splined hub (16).
9. dynamic assembly according to claim 1 is characterized in that, described input gear (8) is captiveed joint with described differential casing (11) by bolt.
10. dynamic assembly according to claim 1 is characterized in that, described tween drive shaft (6) is arranged in parallel with rotor shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810173251A CN101722841A (en) | 2008-10-28 | 2008-10-28 | Power assembly for vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810173251A CN101722841A (en) | 2008-10-28 | 2008-10-28 | Power assembly for vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101722841A true CN101722841A (en) | 2010-06-09 |
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ID=42444609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810173251A Pending CN101722841A (en) | 2008-10-28 | 2008-10-28 | Power assembly for vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101722841A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951092A (en) * | 2010-09-16 | 2011-01-19 | 上海中科深江电动车辆有限公司 | Double-rotor motor and related planetary gear stepless speed changing system and control method thereof for electric automobile |
| CN103009977A (en) * | 2012-12-11 | 2013-04-03 | 西安交通大学 | Drive device for electric vehicle with direct drive motor |
| CN103448540A (en) * | 2013-09-22 | 2013-12-18 | 襄阳群龙汽车部件股份有限公司 | Torque conversion differential assembly of coaxial motor |
| CN105329097A (en) * | 2014-07-31 | 2016-02-17 | 比亚迪股份有限公司 | Vehicle power transmission system and vehicle having power transmission system |
| CN105459814A (en) * | 2014-07-31 | 2016-04-06 | 比亚迪股份有限公司 | Power transmission system for vehicle and vehicle with power transmission system |
| CN105539112A (en) * | 2015-12-28 | 2016-05-04 | 北京新能源汽车股份有限公司 | Power assembly and vehicle provided with same |
| CN106553531A (en) * | 2015-09-25 | 2017-04-05 | 比亚迪股份有限公司 | Power-driven system and the vehicle with which |
| CN106763543A (en) * | 2017-01-09 | 2017-05-31 | 山东理工大学 | The gear automatic speed variator of electric automobile line traffic control three |
| CN106808989A (en) * | 2017-03-03 | 2017-06-09 | 中国第汽车股份有限公司 | A kind of pure electric vehicle double-motor driving device |
| CN107627830A (en) * | 2017-09-21 | 2018-01-26 | 吉泰车辆技术（苏州）有限公司 | Integral shaft puts power assembly |
| CN108327530A (en) * | 2018-04-04 | 2018-07-27 | 同济大学 | A kind of gear of electric vehicle two change-gear rear axle drive system |
| CN108454394A (en) * | 2018-04-04 | 2018-08-28 | 同济大学 | A kind of electric drive rear axle assy |
| WO2019042384A1 (en) * | 2017-08-31 | 2019-03-07 | Dongfeng Dana Axle Co., Ltd. | Two-speed automatic mechanical transmission electric axle assembly |
| WO2019042387A1 (en) * | 2017-08-31 | 2019-03-07 | Dongfeng Dana Axle Co., Ltd. | Electric axle assembly |
| CN110254218A (en) * | 2018-03-12 | 2019-09-20 | 北京华田汽车科技有限公司 | Coaxial speed change electric drive axle power framework |
| CN110513447A (en) * | 2019-08-28 | 2019-11-29 | 宁波上中下自动变速器有限公司 | A kind of coaxial-type speed changer and electric vehicle for electric vehicle |
-
2008
- 2008-10-28 CN CN200810173251A patent/CN101722841A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951092A (en) * | 2010-09-16 | 2011-01-19 | 上海中科深江电动车辆有限公司 | Double-rotor motor and related planetary gear stepless speed changing system and control method thereof for electric automobile |
| CN101951092B (en) * | 2010-09-16 | 2014-12-24 | 上海中科深江电动车辆有限公司 | Control method of planetary gear stepless speed changing system of double-rotor motor for electric automobile |
| CN103009977A (en) * | 2012-12-11 | 2013-04-03 | 西安交通大学 | Drive device for electric vehicle with direct drive motor |
| CN103448540A (en) * | 2013-09-22 | 2013-12-18 | 襄阳群龙汽车部件股份有限公司 | Torque conversion differential assembly of coaxial motor |
| CN103448540B (en) * | 2013-09-22 | 2016-04-20 | 格源动力有限公司 | Coaxial motor bending moment differential assembly |
| CN105329097A (en) * | 2014-07-31 | 2016-02-17 | 比亚迪股份有限公司 | Vehicle power transmission system and vehicle having power transmission system |
| CN105459814A (en) * | 2014-07-31 | 2016-04-06 | 比亚迪股份有限公司 | Power transmission system for vehicle and vehicle with power transmission system |
| CN106553531A (en) * | 2015-09-25 | 2017-04-05 | 比亚迪股份有限公司 | Power-driven system and the vehicle with which |
| CN105539112A (en) * | 2015-12-28 | 2016-05-04 | 北京新能源汽车股份有限公司 | Power assembly and vehicle provided with same |
| CN106763543A (en) * | 2017-01-09 | 2017-05-31 | 山东理工大学 | The gear automatic speed variator of electric automobile line traffic control three |
| CN106763543B (en) * | 2017-01-09 | 2019-04-02 | 山东理工大学 | Three gear automatic speed variator of electric car line traffic control |
| CN106808989A (en) * | 2017-03-03 | 2017-06-09 | 中国第汽车股份有限公司 | A kind of pure electric vehicle double-motor driving device |
| WO2019042384A1 (en) * | 2017-08-31 | 2019-03-07 | Dongfeng Dana Axle Co., Ltd. | Two-speed automatic mechanical transmission electric axle assembly |
| WO2019042387A1 (en) * | 2017-08-31 | 2019-03-07 | Dongfeng Dana Axle Co., Ltd. | Electric axle assembly |
| CN107627830A (en) * | 2017-09-21 | 2018-01-26 | 吉泰车辆技术（苏州）有限公司 | Integral shaft puts power assembly |
| CN110254218A (en) * | 2018-03-12 | 2019-09-20 | 北京华田汽车科技有限公司 | Coaxial speed change electric drive axle power framework |
| CN108327530A (en) * | 2018-04-04 | 2018-07-27 | 同济大学 | A kind of gear of electric vehicle two change-gear rear axle drive system |
| CN108454394A (en) * | 2018-04-04 | 2018-08-28 | 同济大学 | A kind of electric drive rear axle assy |
| CN110513447A (en) * | 2019-08-28 | 2019-11-29 | 宁波上中下自动变速器有限公司 | A kind of coaxial-type speed changer and electric vehicle for electric vehicle |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100609 |