CN217574828U - Two-gear electric drive axle power system with motor placed on single side - Google Patents
Two-gear electric drive axle power system with motor placed on single side Download PDFInfo
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- CN217574828U CN217574828U CN202220384253.3U CN202220384253U CN217574828U CN 217574828 U CN217574828 U CN 217574828U CN 202220384253 U CN202220384253 U CN 202220384253U CN 217574828 U CN217574828 U CN 217574828U
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Abstract
The utility model provides a two grades of electric transaxle driving system are placed to motor unilateral includes: a motor having an output shaft; a first planet row, the sun gear of which is connected to the output shaft; the first gear is connected with the planet carrier of the first planet row; a second gear engaged with the first gear; an intermediate shaft connected with the second gear; the third gear and the fourth gear can be sleeved on the intermediate shaft in a relatively rotating manner; a gear shift mechanism; the fifth gear and the sixth gear are correspondingly meshed with the third gear and the fourth gear respectively; the differential is connected with a first output half shaft and a second output half shaft; a second planet row; and a third planet row; wherein the fifth gear and the sixth gear are mounted to a differential case. The system shortens the axial size of the structure, and enables the system integration level to be higher.
Description
Technical Field
The utility model relates to a new forms of energy vehicle transmission field especially relates to a two grades of electric drive axle driving systems are placed to motor unilateral.
Background
The driving system of traditional car generally transmits power for the transaxle through the transmission shaft by engine/motor drive gearbox, and along with the continuous development of new energy automobile drive technique, has highly integrated, high efficiency and lightweight electric transaxle technique and more receives attention now, has continuously new technology and is breaking through, and electric transaxle can be with motor gearbox transaxle three integration an organic whole, reaches the purpose of optimizing efficiency and drive performance. Because the battery technology has no revolutionary breakthrough all the time, and the mileage anxiety of the pure electric vehicle exists all the time, the hybrid power is a better choice at present, but the space of the vehicle chassis is limited, and particularly for the hybrid new energy vehicle, units such as an engine, a battery and the like are also required to be placed besides an integrated electric drive axle, so that higher requirements are put forward on the volume and the structure of the electric drive axle.
Therefore, there is a need to develop a two-gear electric drive axle power system with a single-side motor to solve one or more of the above-mentioned technical problems.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned at least one technical problem, according to the utility model discloses an aspect provides a two grades of electric transaxle driving system are placed to motor unilateral, it has two gears, can satisfy the biggest slope requirement of climbing of vehicle when low gear, satisfy the requirement of the highest speed of a motor of vehicle during high gear, optional motor or two motors are as the driving source, the equal unilateral of motor is placed, but the major part structure of list/bi-motor sharing, and the longitudinal dimension is smaller, whole volume ratio is smaller, system's weight ratio is lighter.
Specifically, a two grades of electric transaxle driving system is placed to motor unilateral is provided, its characterized in that includes:
a motor having an output shaft;
a first planet row, the sun gear of which is connected to the output shaft;
the first gear is connected with the planet carrier of the first planet row;
a second gear engaged with the first gear;
an intermediate shaft connected with the second gear;
the third gear and the fourth gear can be sleeved on the intermediate shaft in a relatively rotating manner;
a shift mechanism mounted to the countershaft and shiftable between a first position in which the shift mechanism is engaged with the third gear and a neutral position in which the shift mechanism is engaged with the fourth gear;
the fifth gear and the sixth gear are correspondingly meshed with the third gear and the fourth gear respectively;
the differential is connected with a first output half shaft and a second output half shaft;
the sun gear of the second planetary row is connected with the first output half shaft, and the planet carrier of the second planetary row is connected with the first wheel; and
a third planet row, a sun gear of the third planet row being connected to the second output half shaft, a planet carrier of the third planet row being connected to the second wheel;
wherein the fifth gear and the sixth gear are mounted to a differential case.
According to yet another aspect of the present invention, the differential includes a differential gear and a differential lock.
According to yet another aspect of the present invention, the motor is disposed on one side of the first output half shaft and the second output half shaft.
According to the utility model discloses in another aspect, the output shaft of motor, jackshaft and first output semi-axis parallel arrangement, first output semi-axis and second output semi-axis are coaxial and output opposite direction.
According to a further aspect of the invention, the first gear is arranged between the motor and the first planetary gear set.
According to yet another aspect of the invention, the first planetary arrangement is disposed between the motor and the first gear.
According to yet another aspect of the present invention, the third gear, the shift mechanism and the fourth gear are disposed between the motor and the differential case.
According to yet another aspect of the present invention, the differential is disposed within the fifth gear and the sixth gear.
The utility model discloses can obtain following one or more technological effect:
1. the output shaft of the motor is directly connected with the planet row speed reducing mechanism, and the structure can use a high-rotating-speed motor to reduce the requirement on the torque of the motor.
2. The vehicle type with the spare longitudinal space and the spare axial space can adopt a single motor structure, and the vehicle type with the spare longitudinal space and the spare axial space can adopt a double motor structure.
3. The front two-stage fixed reduction ratio gear structure is formed by combining a planet row and a fixed shaft gear, the size of the gear structure is small, and a large reduction ratio can be realized.
4. The gear shifting mechanism is positioned on the intermediate shaft, and can take the torque and the rotating speed into account to influence the gear shifting performance.
5. The differential is positioned in the two three-stage dead axle driven gears, so that the axial size of the structure is shortened, and the system integration level is higher.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic diagram of a two-gear electric transaxle powertrain with a single side motor according to a preferred embodiment of the present invention.
Fig. 2 is a schematic diagram of a two-gear electric transaxle power system with a motor placed on one side according to another preferred embodiment of the present invention.
Detailed Description
The best mode of the invention will be described in detail with reference to the drawings, and the specific embodiments are to be considered as illustrative of the invention, but it should be understood that the invention is not limited to the details and since various changes and modifications can be made without departing from the spirit and scope of the invention, which is intended to be included within the scope of the invention.
Example 1
According to a preferred embodiment of the present invention, referring to fig. 1-2, there is provided a two-gear electric drive axle power system with a motor disposed on one side thereof, which is characterized by comprising:
a motor a having an output shaft 02;
a first planetary row 03, the sun gear of which planetary row 03 is connected to the output shaft 02;
the first gear 04 is connected with the planet carrier of the first planet row 03;
a second gear 05 engaged with the first gear 04;
an intermediate shaft 06 connected with the second gear 05;
the third gear 07 and the fourth gear 08 are sleeved on the intermediate shaft 06 in a relatively rotatable manner;
a shift mechanism 09 mounted on the intermediate shaft 06 and switchable between a first position, an intermediate position, and a second position, the shift mechanism 09 being engaged with the third gear 07 when in the first position, and the shift mechanism 09 being engaged with the fourth gear 08 when in the second position;
a fifth gear 10 and a sixth gear 11 which are respectively engaged with the third gear 07 and the fourth gear 08;
a differential to which are connected a first output half shaft 15 and a second output half shaft 16;
a second planetary row 17, the sun gear of the second planetary row 17 being connected to the first output half shaft 15, the planet carrier of the second planetary row 17 being connected to the first wheel 19; and
a third planetary row 18, the sun gear of the third planetary row 18 being connected to the second output half shaft 16, the planet carrier of the third planetary row 18 being connected to a second wheel 20;
wherein the fifth gear 10 and the sixth gear 11 are mounted to a differential case 12.
According to a further preferred embodiment of the invention, the differential comprises a differential gear 13 and a differential lock 14.
According to a further preferred embodiment of the present invention, said electric machine a is arranged on one side of said first output half-shaft 15 and second output half-shaft 16.
According to a further preferred embodiment of the present invention, the output shaft 02 of the electric machine a, the intermediate shaft 06 and the first output half shaft 15 are arranged in parallel, the first output half shaft 15 and the second output half shaft 16 being coaxial and having opposite output directions.
According to a further preferred embodiment of the present invention, the first gear 04 is arranged between the motor a and the first planetary row 03.
According to a further preferred embodiment of the present invention, the first planet row 03 is arranged between the motor a and the first gear 04.
According to yet another preferred embodiment of the present invention, the third gear 07, the shift mechanism 09, and the fourth gear 08 are disposed between the motor a and the differential case 12.
According to a further preferred embodiment of the present invention, the differential is provided in the fifth gear 10 and the sixth gear 11.
Preferably, when the engaging sleeve of the shift mechanism is in the middle position, the power on the intermediate shaft 06 is transmitted to the shift mechanism 09 and then interrupted, and the power is in the neutral state; when the engaging sleeve of the gear shifting mechanism moves leftwards, the engaging sleeve is engaged with the fourth gear 08, and the power on the intermediate shaft 06 is transmitted to the fourth gear 08 through the gear shifting mechanism 09; when the sleeve of the shift mechanism moves rightward, the sleeve engages with the third gear 07, and the power on the counter shaft 06 is transmitted to the third gear 07 via the shift mechanism 09.
The utility model discloses can obtain following one or more technological effect:
1. the output shaft of the motor is directly connected with the planet row speed reducing mechanism, and the structure can use a high-rotating-speed motor to reduce the requirement on the torque of the motor.
2. The vehicle type with the spare longitudinal space and the spare axial space can adopt a single motor structure, and the vehicle type with the spare longitudinal space and the spare axial space can adopt a double motor structure.
3. The front two-stage fixed reduction ratio gear structure is formed by combining a planet row and a dead axle gear, the size of the gear structure is small, and a large reduction ratio can be realized.
4. The gear shifting mechanism is positioned on the intermediate shaft, and can take the torque and the rotating speed into account to influence the gear shifting performance.
5. The differential mechanism is positioned in the two three-stage dead axle driven gears, so that the axial size of the structure is shortened, and the system integration level is higher.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a two grades of electric transaxle driving system is placed to motor unilateral which characterized in that includes:
a motor having an output shaft;
a first planet row, the sun gear of which is connected to the output shaft;
the first gear is connected with the planet carrier of the first planet row;
a second gear engaged with the first gear;
an intermediate shaft connected with the second gear;
the third gear and the fourth gear can be sleeved on the intermediate shaft in a relative rotation manner;
a shift mechanism mounted to the countershaft and shiftable between a first position in which the shift mechanism is engaged with the third gear and a neutral position in which the shift mechanism is engaged with the fourth gear;
the fifth gear and the sixth gear are correspondingly meshed with the third gear and the fourth gear respectively;
the differential is connected with a first output half shaft and a second output half shaft;
the sun gear of the second planetary row is connected with the first output half shaft, and the planet carrier of the second planetary row is connected with the first wheel; and
a third planet row, a sun gear of the third planet row being connected to the second output half shaft, a planet carrier of the third planet row being connected to the second wheel;
wherein the fifth gear and the sixth gear are mounted to a differential case.
2. The motor unilateral two-speed transaxle powertrain of claim 1, wherein the differential comprises a differential gear and a differential lock.
3. The motor unilateral placement two-speed transaxle powertrain of claim 2 wherein the motor is disposed on one side of the first and second output half shafts.
4. The motor unilateral two-gear electric drive axle power system according to any one of claims 1-3, wherein the output shaft of the motor, the middle shaft and the first output half shaft are arranged in parallel, and the first output half shaft and the second output half shaft are coaxial and have opposite output directions.
5. The motor unilateral two-speed transaxle powertrain of claim 4 wherein the first gear is disposed between the motor and the first planet carrier.
6. The motor unilateral two-gear transaxle powertrain of claim 4, wherein the first planetary arrangement is disposed between the motor and the first gear.
7. The motor unilateral two-speed transaxle powertrain of claim 4 wherein the third gear, the shift mechanism, and the fourth gear are disposed between the motor and the differential housing.
8. The motor unilateral two-speed transaxle powertrain of claim 4 wherein the differential is disposed within the fifth gear and the sixth gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220384253.3U CN217574828U (en) | 2022-02-24 | 2022-02-24 | Two-gear electric drive axle power system with motor placed on single side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220384253.3U CN217574828U (en) | 2022-02-24 | 2022-02-24 | Two-gear electric drive axle power system with motor placed on single side |
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| CN217574828U true CN217574828U (en) | 2022-10-14 |
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| CN202220384253.3U Active CN217574828U (en) | 2022-02-24 | 2022-02-24 | Two-gear electric drive axle power system with motor placed on single side |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114435106A (en) * | 2022-02-24 | 2022-05-06 | 北方汤臣传动科技有限公司 | Electric drive axle structure for hybrid new energy automobile |
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2022
- 2022-02-24 CN CN202220384253.3U patent/CN217574828U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114435106A (en) * | 2022-02-24 | 2022-05-06 | 北方汤臣传动科技有限公司 | Electric drive axle structure for hybrid new energy automobile |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221107 Address after: No. 8, Jiangfang Road, Changjiang Town, Rugao, Nantong City, Jiangsu Province, 226532 Patentee after: Jiangsu Huayong composite materials Co.,Ltd. Address before: No.8 Jiangfang Road, Changjiang Town, Rugao City, Nantong City, Jiangsu Province, 226532 Patentee before: North Tomson Transmission Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |