CN218112338U - Three-level speed reduction single motor two-gear electric drive bridge - Google Patents
Three-level speed reduction single motor two-gear electric drive bridge Download PDFInfo
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- CN218112338U CN218112338U CN202222139589.6U CN202222139589U CN218112338U CN 218112338 U CN218112338 U CN 218112338U CN 202222139589 U CN202222139589 U CN 202222139589U CN 218112338 U CN218112338 U CN 218112338U
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Abstract
The utility model provides a three-level speed reduction single motor two keep off electric drive bridge, includes: the motor output gear is connected with the motor; the parallel shaft is sequentially provided with a parallel shaft input gear, a first gear driving gear, a gear shifter and a second gear driving gear; the main shaft is fixedly connected with a first-gear driven gear, a second-gear driven gear and a planet row in sequence; the differential mechanism is connected with a first output half shaft and a second output half shaft and is connected with the planet row, and the first output half shaft can be sleeved in the main shaft in a relatively rotating manner; the gear shifter is characterized in that a motor output gear is meshed with a parallel shaft input gear, a first-gear driving gear is meshed with a first-gear driven gear, a second-gear driving gear is meshed with a second-gear driven gear, and the gear shifter can be switched between the first gear and the second gear. The single motor is in power transmission, the structure is simple, and the occupied space is small; the planet row outputs, so that the structure is compact, and a larger reduction ratio and a larger output torque are obtained; the gear shifting mechanism is arranged at a secondary speed reducing position, and impact caused by rotating speed and torque can be balanced.
Description
Technical Field
The utility model relates to a new energy automobile spare part field especially relates to a tertiary speed reduction single motor two keep off electric drive bridge.
Background
The development of new energy automobiles is more and more emphasized by the nation. For example, chinese patent CN114161878a discloses an electric drive axle structure with two external motors, however, the drive axle structure is driven by two motors, and has a complex structure and a large occupied space, and cannot adapt to compact vehicles and limited arrangement space thereof.
Therefore, there is a need to develop a three-stage speed reduction single-motor two-gear electric drive bridge to solve one or more of the above technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned at least one technical problem, according to the utility model discloses an aspect provides a three-level speed reduction single motor two keep off electricity drive bridge, its characterized in that includes:
the motor output gear is connected with the motor;
the parallel shaft is sequentially provided with a parallel shaft input gear, a first gear driving gear, a gear shifter and a second gear driving gear;
the main shaft is fixedly connected with a first-gear driven gear, a second-gear driven gear and a planet row in sequence; and
the differential mechanism is connected with a first output half shaft and a second output half shaft and is connected with the planet row, and the first output half shaft is sleeved in the main shaft in a relatively rotatable manner;
the gear shifter is positioned at the first gear, and the power of the motor is sequentially transmitted to the motor output gear, the parallel shaft input gear, the parallel shaft, the first gear driving gear, the first gear driven gear, the main shaft, the planetary row, the differential mechanism, the first output half shaft and the second output half shaft; when the gear shifter is positioned at the second gear, the power of the motor is sequentially transmitted to the motor output gear, the parallel shaft input gear, the parallel shaft, the second gear driving gear, the second gear driven gear, the main shaft, the planet row, the differential mechanism, the first output half shaft and the second output half shaft.
According to another aspect of the present invention, the parallel shaft and the main shaft are arranged in parallel.
According to yet another aspect of the present invention, the motor and the spindle are arranged in parallel.
According to the utility model discloses still another aspect, the planet row includes sun gear, planet wheel, ring gear and planet carrier.
According to the utility model discloses in another aspect, the wheel about the first output semi-axis and the second output semi-axis are connected respectively.
According to the utility model discloses still another aspect, differential mechanism is connected with the planet carrier of planet row.
According to another aspect of the present invention, the ring gear is connected to the case.
According to another aspect of the present invention, the sun gear of the planetary row is connected to the main shaft.
The utility model discloses can obtain following one or more technological effect:
the single motor is in power transmission, the structure is simple, and the occupied space is small;
the planet row outputs, so that the structure is compact, and a larger reduction ratio and a larger output torque are obtained;
the gear shifting mechanism is arranged at a two-stage speed reduction position, and can balance impact caused by rotating speed and torque.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of a three-level speed reduction single-motor two-gear electric drive bridge according to a preferred embodiment of the present invention.
Detailed Description
The best mode of the present invention will be described in detail with reference to the accompanying drawings, wherein the detailed description is to be regarded as illustrative in nature and not as restrictive, and various changes and modifications may be made without departing from the spirit and scope of the present invention.
Example 1
According to the utility model discloses a preferred embodiment, referring to fig. 1, provides a three-level speed reduction single motor two keeps off electric bridge, its characterized in that includes:
the motor output gear 02 is connected with the motor M;
a parallel shaft 04 provided with a parallel shaft input gear 03, a first gear drive gear 05, a shifter C1, and a second gear drive gear 07 in this order;
the main shaft 10 is fixedly connected with a first-gear driven gear 08, a second-gear driven gear 09 and a planet row in sequence; and
the differential mechanism 15 is connected with a first output half shaft 16 and a second output half shaft 17 and is connected with the planet row, and the first output half shaft 16 is sleeved in the main shaft 10 in a relatively rotatable manner;
the gear shifter C1 can be switched between the first gear and the second gear, and when the gear shifter is positioned at the first gear, the power of the motor is sequentially transmitted to the motor output gear 02, the parallel shaft input gear 03, the parallel shaft 04, the first gear driving gear 05, the first gear driven gear 08, the main shaft 10, the planetary row, the differential 15, the first output half shaft 16 and the second output half shaft 17; when the gear shifter is in the second gear, the power of the motor is transmitted to the motor output gear 02, the parallel shaft input gear 03, the parallel shaft 04, the second gear driving gear 07, the second gear driven gear 09, the main shaft 10, the planetary gear set, the differential 15, the first output half shaft 16 and the second output half shaft 17 in sequence.
According to a further preferred embodiment of the present invention, the parallel shaft 04 and the main shaft 10 are arranged in parallel.
According to a further preferred embodiment of the present invention, the motor M and the main shaft 10 are arranged in parallel.
According to a further preferred embodiment of the present invention, the planetary gear set comprises a sun gear, a planet gear, a ring gear and a planet carrier 14.
According to another preferred embodiment of the present invention, the first output half shaft and the second output half shaft are connected to left and right wheels, respectively.
According to another preferred embodiment of the present invention, the differential 15 is connected to the carrier 14 of the planetary row.
According to a further preferred embodiment of the present invention, the ring gear is connected to the case.
According to a further preferred embodiment of the invention, the sun gear of the planetary row is connected to the main shaft 10.
The utility model discloses can obtain following one or more technological effect:
the single motor is in power transmission, the structure is simple, and the occupied space is small;
the planet row outputs, so that the structure is compact, and a larger reduction ratio and a larger output torque are obtained;
the gear shifting mechanism is arranged at a two-stage speed reduction position, and can balance impact caused by rotating speed and torque. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a three-level speed reduction single motor two keep off electricity drive bridge which characterized in that comprises following part:
the motor output gear is connected with the motor;
the parallel shaft is sequentially provided with a parallel shaft input gear, a first gear driving gear, a gear shifter and a second gear driving gear;
the main shaft is fixedly connected with a first-gear driven gear, a second-gear driven gear and a planet row in sequence; and
the differential mechanism is connected with a first output half shaft and a second output half shaft and is connected with the planet row, and the first output half shaft is sleeved in the main shaft in a relatively rotatable manner;
the gear shifter is positioned at the first gear, and the power of the motor is sequentially transmitted to the motor output gear, the parallel shaft input gear, the parallel shaft, the first gear driving gear, the first gear driven gear, the main shaft, the planetary row, the differential mechanism, the first output half shaft and the second output half shaft; when the gear shifter is positioned at the second gear, the power of the motor is sequentially transmitted to the motor output gear, the parallel shaft input gear, the parallel shaft, the second gear driving gear, the second gear driven gear, the main shaft, the planet row, the differential mechanism, the first output half shaft and the second output half shaft.
2. The three-level speed reduction single-motor two-gear electric drive bridge according to claim 1, wherein the parallel shafts and the main shaft are arranged in parallel.
3. The three-level speed reduction single-motor two-gear electric drive bridge according to claim 2, wherein the motor and the main shaft are arranged in parallel.
4. The three-level reduction single-motor two-gear electric drive axle according to claim 2, wherein the planet row comprises a sun gear, a planet gear, a ring gear and a planet carrier.
5. The three-stage speed reduction single-motor two-gear electric drive axle according to any one of claims 1 to 4, wherein the first output half shaft and the second output half shaft are respectively connected with left and right wheels.
6. The three-stage speed reduction single-motor two-gear electric drive axle according to claim 5, wherein the differential is connected with a planet carrier of the planet row.
7. The three-level speed reduction single-motor two-gear electric drive bridge according to claim 4, wherein the gear ring is connected to a box body.
8. The three-stage speed reduction one-motor two-gear electric drive axle according to claim 7, wherein the sun gear of the planetary row is connected to the main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222139589.6U CN218112338U (en) | 2022-08-15 | 2022-08-15 | Three-level speed reduction single motor two-gear electric drive bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222139589.6U CN218112338U (en) | 2022-08-15 | 2022-08-15 | Three-level speed reduction single motor two-gear electric drive bridge |
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| CN218112338U true CN218112338U (en) | 2022-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222139589.6U Active CN218112338U (en) | 2022-08-15 | 2022-08-15 | Three-level speed reduction single motor two-gear electric drive bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117719316A (en) * | 2023-12-28 | 2024-03-19 | 中国重汽集团济南动力有限公司 | Parallel shaft type rear motor electric drive bridge |
-
2022
- 2022-08-15 CN CN202222139589.6U patent/CN218112338U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117719316A (en) * | 2023-12-28 | 2024-03-19 | 中国重汽集团济南动力有限公司 | Parallel shaft type rear motor electric drive bridge |
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