CN209987731U - Electric automobile driving system and electric automobile - Google Patents
Electric automobile driving system and electric automobile Download PDFInfo
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- CN209987731U CN209987731U CN201920257594.2U CN201920257594U CN209987731U CN 209987731 U CN209987731 U CN 209987731U CN 201920257594 U CN201920257594 U CN 201920257594U CN 209987731 U CN209987731 U CN 209987731U
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Abstract
The utility model belongs to the technical field of the actuating system technique and specifically relates to an electric automobile actuating system and electric automobile are related to. The electric automobile driving system comprises a first driving motor, a second driving motor and a differential mechanism; the first driving motor and the second driving motor are connected through the differential. The electric automobile comprises at least one electric automobile driving system of any one of the above. The utility model provides an electric automobile actuating system and electric automobile through with integrated differential mechanism that has set up between two driving motor for realize coordinating through the differential between the wheel and turn to about, and then guaranteed the stationarity that turns to. The utility model provides an electric automobile actuating system and electric automobile, simple structure, the practicality is strong, is suitable for popularization and application.
Description
Technical Field
The utility model belongs to the technical field of the actuating system technique and specifically relates to an electric automobile actuating system and electric automobile are related to.
Background
In the existing electric automobile, when the automobile steers, the rotating speeds of two oppositely arranged wheels are controlled by different control motors to achieve the purpose of steering.
However, with such an arrangement, it is easy to cause the rotation speed of the steering motor to be mismatched when steering, and the vehicle may be steered unstably.
How to solve the problem is a technical problem to be solved urgently in the existing electric automobile industry.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric automobile actuating system and electric automobile to solve the technical problem who exists among the prior art.
The utility model provides an electric automobile driving system, which comprises a first driving motor, a second driving motor and a differential mechanism;
the first driving motor and the second driving motor are connected through the differential.
Furthermore, the first driving motor is a through motor, one end of a motor shaft of the first driving motor is coaxially connected with one end of the differential, and the other end of the motor shaft of the first driving motor is used for connecting wheels;
and/or the presence of a gas in the gas,
the second driving motor is a through motor, one end of a motor shaft of the second driving motor is coaxially connected with the other end of the differential, and the other end of the motor shaft of the second driving motor is used for being connected with another wheel.
Furthermore, the motor shaft of the first driving motor is coaxial with the motor shaft of the second driving motor, and the first driving motor and the second driving motor are integrally arranged.
Further, a first transmission device is arranged between the first driving motor and the differential mechanism;
and/or a second transmission device is arranged between the second driving motor and the differential mechanism.
Further, the first transmission device comprises a main transmission mechanism and a transmission shaft;
one end of the transmission shaft is connected with one end of the differential mechanism, and the other end of the transmission shaft is used for connecting wheels of an electric automobile;
the main transmission mechanism is arranged on the transmission shaft;
the first driving motor is connected with the main transmission mechanism.
Further, the main transmission mechanism comprises a driving gear and a driven gear;
the driving gear is connected with the first driving motor;
the driven gear is coaxially and fixedly arranged on the transmission shaft;
the driving gear is meshed with the driven gear.
Further, the first transmission device and the second transmission device have the same structure.
Further, the first driving motor and the second driving motor are both direct current motors.
Further, the differential is a gear type differential, an antiskid differential or a double worm differential.
The utility model also provides an electric automobile, it includes at least one above-mentioned arbitrary item electric automobile actuating system.
The utility model provides an electric automobile actuating system and electric automobile through with integrated differential mechanism that has set up between two driving motor for realize coordinating through the differential between the wheel and turn to about, and then guaranteed the stationarity that turns to. The utility model provides an electric automobile actuating system and electric automobile, simple structure, the practicality is strong, is suitable for popularization and application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an electric vehicle driving system according to an embodiment of the present invention;
fig. 2 is another schematic structural diagram of an electric vehicle driving system according to an embodiment of the present invention.
Reference numerals:
1: a wheel; 2: a drive shaft; 3: a first drive motor; 4: a differential mechanism; 5: a second drive motor; 6: a driving gear; 7: a driven gear.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the utility model provides an electric vehicle driving system, which comprises a first driving motor 3, a second driving motor 5 and a differential mechanism 4; the first drive motor 3 and the second drive motor 5 are connected by a differential 4.
The utility model discloses in, drive two wheels 1 that set up relatively on the vehicle through first driving motor 3 and second driving motor 5, when first driving motor 3 and second driving motor 5's output rotational speed is different, two wheels 1's of relative setting rotational speed is different, and then realize the turn of vehicle.
For guaranteeing that first driving motor 3 and second driving motor 5 are when the output speed is different, wheel 1 can keep steady rotation, in this embodiment, differential mechanism 4 has been set up between first driving motor 3 and second driving motor 5, make the output speed of first driving motor 3 and the output speed of second driving motor 5 different, still can guarantee to use wheel 1 that first driving motor 3 provided power and use the wheel 1 that second driving motor 5 provided power coaxial all the time between, and then guarantee the stationarity of vehicle when turning.
The differential 4 enables the left and right driving wheels to realize a mechanism that rotates at different rotational speeds. Mainly comprises a left half shaft gear, a right half shaft gear, two planet gears and a gear carrier. The function is that when the automobile turns or runs on an uneven road surface, the left wheel 1 and the right wheel 1 roll at different rotating speeds, namely, the pure rolling motion of the driving wheels 1 at two sides is ensured. The differential 4 is provided to adjust a difference in rotation speed between the left and right wheels. In four-wheel drive, all the wheels 1 must be connected in order to drive the four wheels 1, if the four wheels 1 are mechanically connected, the vehicle cannot rotate at the same speed when the vehicle is driven on a curve, and in order to make the rotation speed of the vehicle on the curve substantially consistent, a center differential 4 is added to adjust the rotation speed difference between the front wheel and the rear wheel.
Specifically, in this embodiment, the first driving motor 3 is a through-type motor, one end of a motor shaft of the first driving motor 3 is coaxially connected with one end of the differential 4, and the other end of the motor shaft of the first driving motor 3 is used for connecting the wheel 1;
meanwhile, the second driving motor 5 is a through motor, one end of a motor shaft of the second driving motor 5 is coaxially connected with the other end of the differential 4, and the other end of the motor shaft of the second driving motor 5 is used for connecting another wheel 1.
In this embodiment, the tail end of the first driving motor 3 extends out, so that both ends of the first driving motor 3 are provided with motor shafts, one end of each motor shaft is coaxially connected with the wheel 1 to drive the wheel 1 to rotate, and the other end of each motor shaft is coaxially connected with a half shaft of the differential 4; the second driving motor 5 is also provided with a tail end extending out, so that motor shafts are arranged at two ends of the second driving motor 5, the motor shaft at one end is coaxially connected with the other opposite wheel 1 to drive the wheel 1 to rotate, and the other end is coaxially connected with the other half shaft of the differential mechanism 4.
Such setting for wheel 1, first driving motor 3, differential 4, second driving motor 5 and another corresponding wheel 1 are all coaxial to be set up, because differential 4's setting for it can keep coaxial all the time, and then has guaranteed the vehicle when turning, the stationarity of vehicle.
Specifically, in the present embodiment, the motor shaft of the first drive motor 3 is provided integrally with the half shaft of the differential 4, and the motor shaft of the second drive motor 5 is provided integrally with the other half shaft of the differential 4.
That is, the two half shafts of the differential 4 are directly connected to the wheels 1, and the first drive motor 3 and the second drive motor 5 directly drive the two half shafts of the differential 4.
In such an arrangement, the connection relation is reduced, the integration of the rotating shaft is realized, and the integral strength is ensured.
In another embodiment of the present invention, as shown in fig. 2, a first transmission is provided between the first driving motor 3 and the differential 4; a second transmission is arranged between the second drive motor 5 and the differential 4.
The arrangement is such that the motor shaft of the first driving motor 3 is not coaxial with the half shaft of the differential 4, the motor shaft of the second driving motor 5 is not coaxial with the half shaft of the differential 4, the two half shafts of the differential 4 are directly connected with the two wheels 1 which are oppositely arranged respectively, and the first transmission device and the second transmission device are arranged on the two half shafts respectively and are connected with the first driving motor 3 and the second driving motor 5 respectively.
Such a setting mode makes the setting position of first driving motor 3 and second driving motor 5 relatively nimble, in the less chassis of motorcycle type, can adjust first driving motor 3 and second driving motor 5's position according to motorcycle type and chassis shape to guarantee to enough realize the drive to wheel 1, guarantee again that relative wheel 1 can guarantee to rotate the stability under differential mechanism 4's effect, stability when finally guaranteeing the vehicle and turning.
Specifically, in the present embodiment, the first transmission device includes a main transmission mechanism and a transmission shaft 2; one end of the transmission shaft 2 is connected with one end of the differential 4, and the other end of the transmission shaft 2 is used for connecting wheels 1 of the electric automobile; the main transmission mechanism is arranged on the transmission shaft 2; the first drive motor 3 is connected with the main transmission mechanism.
First driving motor 3 is connected with transmission shaft 2 through final drive mechanism, and the both ends of axis of rotation are connected with wheel 1 and differential mechanism 4's one end respectively, and then can enough drive wheel 1 through a drive arrangement and rotate, also can make wheel 1 be connected with a semi-axis of differential mechanism 4, stability when guaranteeing the vehicle and turn.
Similarly, in this embodiment, the second transmission device has the same structure as the first transmission device, that is, the second driving motor 5 is connected with the transmission shaft 2 through the main transmission mechanism, two ends of the transmission shaft 2 are respectively connected with one end of the other opposite wheel 1 and one end of the differential mechanism 4, and then the second driving device can drive the other wheel 1 to rotate, so that the other wheel 1 can be connected with the other half shaft of the differential mechanism 4, the two wheels 1 which are arranged oppositely are respectively connected with the two half shafts on the differential mechanism 4, and the stability of the vehicle during turning is ensured.
Specifically, in the present embodiment, the main transmission mechanism includes a driving gear 6 and a driven gear 7; the driving gear 6 is connected with the first driving motor 3; the driven gear 7 is coaxially and fixedly arranged on the transmission shaft 2; the drive gear 6 meshes with the driven gear 7.
Namely, the driving gear 6 is coaxially and fixedly arranged on a motor shaft of the first driving motor 3 and is meshed with the driven gear 7, the driven gear 7 is coaxially and fixedly arranged on the transmission shaft 2, the first driving motor 3 drives the driving gear 6 to rotate, the driving gear 6 drives the driven gear 7 meshed with the driving gear to rotate, the driven gear 7 drives the transmission shaft 2 to rotate, and the transmission shaft 2 drives the wheels 1 to rotate, so that the vehicle can move; in a similar way, the wheel 1 which is arranged oppositely drives the driving gear 6 which is fixedly arranged on the motor shaft of the second driving motor 5 through the second driving motor 5, and then the driving gear 6 drives the driven gear 7 and the transmission shaft 2 to realize transmission.
It should be noted that, in the present embodiment, the main transmission mechanism is a gear transmission, but it is not limited to the gear transmission, and it may also be other transmission manners, such as a chain transmission, a belt transmission, etc., and the specific transmission manner may be set according to the specific shape of the vehicle chassis, that is, it only needs to transmit the power of the first driving motor 3 or the second driving motor 5 disposed on one side of the transmission shaft 2 to the transmission shaft 2, so as to rotate the transmission shaft 2.
It should be noted that, in the present embodiment, the first transmission device and the second transmission device have the same structure, but are not limited to the same arrangement, and different structures may be used, and the specific arrangement may be defined according to the specific shape of the vehicle chassis, that is, the power of the first driving motor 3 or the second driving motor 5 arranged on one side of the transmission shaft 2 can be transmitted to the transmission shaft 2, so that the transmission shaft 2 rotates.
Further, the first drive motor 3 and the second drive motor 5 are both dc motors.
The dc motor has the advantages of good speed regulation performance, easy start, and capability of load start, and therefore, in this embodiment, the first driving motor 3 and the second driving motor 5 both use the dc motor to drive the wheel 1, so as to ensure the fast response of the wheel 1 and ensure the driving sensitivity of the vehicle.
In the present embodiment, the differential 4 is a gear type differential, a limited slip differential, or a double worm differential.
There are various types of differentials 4, wherein in the present embodiment, a gear type differential, a limited slip differential, or a double worm differential is used for the differential 4.
It should be noted that, in the present invention, the differential 4 may be the above-mentioned ones, but it is not limited to the above-mentioned ones, and may be other types of differentials as long as it can realize the differential between the two wheels 1 arranged oppositely.
The utility model also provides an electric automobile, it includes the electric automobile actuating system of at least one above-mentioned arbitrary item.
The utility model provides an electric automobile actuating system and electric automobile through with integrated differential mechanism 4 that has set up between two driving motor for realize coordinating through the differential between the wheel 1 and turn to about, and then guaranteed the stationarity that turns to. The utility model provides an electric automobile actuating system and electric automobile, simple structure, the practicality is strong, is suitable for popularization and application.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Moreover, those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
Claims (10)
1. The electric automobile driving system is characterized by comprising a first driving motor, a second driving motor and a differential mechanism;
the first driving motor and the second driving motor are connected through the differential.
2. The electric vehicle driving system according to claim 1, wherein the first driving motor is a through motor, one end of a motor shaft of the first driving motor is coaxially connected with one end of the differential, and the other end of the motor shaft of the first driving motor is used for connecting a wheel;
and/or the presence of a gas in the gas,
the second driving motor is a through motor, one end of a motor shaft of the second driving motor is coaxially connected with the other end of the differential, and the other end of the motor shaft of the second driving motor is used for being connected with another wheel.
3. The electric vehicle drive system according to claim 2, wherein a motor shaft of the first drive motor and a motor shaft of the second drive motor are coaxial and are both provided integrally with the differential.
4. The electric vehicle drive system according to claim 1, wherein a first transmission is provided between the first drive motor and the differential;
and/or a second transmission device is arranged between the second driving motor and the differential mechanism.
5. The electric vehicle drive system of claim 4, wherein the first transmission comprises a main transmission and a driveshaft;
one end of the transmission shaft is connected with one end of the differential mechanism, and the other end of the transmission shaft is used for connecting wheels of an electric automobile;
the main transmission mechanism is arranged on the transmission shaft;
the first driving motor is connected with the main transmission mechanism.
6. The electric vehicle drive system of claim 5, wherein the primary drive mechanism includes a drive gear and a driven gear;
the driving gear is connected with the first driving motor;
the driven gear is coaxially and fixedly arranged on the transmission shaft;
the driving gear is meshed with the driven gear.
7. The electric vehicle drive system of claim 4, wherein the first transmission and the second transmission are identical in construction.
8. The electric vehicle drive system according to claim 1, wherein the first drive motor and the second drive motor are both direct current motors.
9. The electric vehicle drive system of any of claims 1-8, wherein the differential is a geared differential, a limited slip differential, or a double worm differential.
10. An electric vehicle comprising at least one electric vehicle drive system as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920257594.2U CN209987731U (en) | 2019-02-28 | 2019-02-28 | Electric automobile driving system and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920257594.2U CN209987731U (en) | 2019-02-28 | 2019-02-28 | Electric automobile driving system and electric automobile |
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| CN209987731U true CN209987731U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920257594.2U Active CN209987731U (en) | 2019-02-28 | 2019-02-28 | Electric automobile driving system and electric automobile |
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| CN (1) | CN209987731U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910582A (en) * | 2019-02-28 | 2019-06-21 | 北方众联新能源科技有限公司 | Drive system of electric automobile and electric car |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910582A (en) * | 2019-02-28 | 2019-06-21 | 北方众联新能源科技有限公司 | Drive system of electric automobile and electric car |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210323 Address after: 313100 no.358-1, Chizhou Avenue, Huaxi street, Changxing County, Huzhou City, Zhejiang Province Patentee after: Mingchuang Jialian (Zhejiang) New Energy Technology Co.,Ltd. Address before: 065300 11th floor, venture building, Yingbin Road, hi tech Industrial Development Zone, Dachang Hui Autonomous County, Langfang City, Hebei Province Patentee before: BEIFANG ZHONGLIAN NEW ENERGY TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210524 Address after: Ruizhida company service center, phase II, Wickham reef, tortorarod City, vg1110, British Virgin Islands Patentee after: Guanlei battery Holding Co.,Ltd. Address before: 313100 no.358-1, Chizhou Avenue, Huaxi street, Changxing County, Huzhou City, Zhejiang Province Patentee before: Mingchuang Jialian (Zhejiang) New Energy Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |