CN212332290U - Non-axle installation electric bridge assembly of second grade speed reduction parallel shaft - Google Patents
Non-axle installation electric bridge assembly of second grade speed reduction parallel shaft Download PDFInfo
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- CN212332290U CN212332290U CN202020686091.XU CN202020686091U CN212332290U CN 212332290 U CN212332290 U CN 212332290U CN 202020686091 U CN202020686091 U CN 202020686091U CN 212332290 U CN212332290 U CN 212332290U
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Abstract
The utility model provides a non-axle installation electric bridge assembly of a second-stage speed reduction parallel shaft, which comprises a high-speed motor, a second-stage speed reduction gear, a differential mechanism and an axle tube, wherein the high-speed motor is connected with the input end of the differential mechanism through the second-stage speed reduction gear, the output end of the differential mechanism is connected with the axle tube, and the axle tube is used for connecting wheels; the axes of the two reduction gears of the secondary reduction gear are parallel; the motor shaft is parallel with the axle axis, and the motor shaft is parallel with the reduction gear axis. The utility model discloses a big velocity ratio speed reduction is realized in the second grade speed reduction, and great output power is realized to the increase moment of torsion.
Description
Technical Field
The utility model belongs to the technical field of the axle transmission, concretely relates to non-axle installation electric bridge assembly of second grade speed reduction parallel shaft.
Background
In the face of increasingly stringent requirements of fuel consumption and emission regulations of automobiles, more and more automobile manufacturers consider adopting a driving motor to replace a traditional engine, and forming an electric drive axle system together with a speed reducer and a differential to realize the electric driving of the driving system. The pure electric vehicle is used as a future vehicle development direction capable of relieving energy problems and environmental problems, more and more scientific research institutions, universities and enterprises increase the investment on the research of the pure electric vehicle, the novel pure electric vehicle mainly adopts electric transmission, and compared with the traditional mechanical transmission, the electric transmission has many advantages, such as whole vehicle structural arrangement, stepless speed change and improvement of the whole vehicle dynamic performance and economic performance, but because of the limitation of a motor and a control technology thereof, the pure electric vehicle can not exert the advantages to the maximum, the problems of too wide motor rotating speed range, poor differential control effect and the like are increasingly prominent. The transmission mode of the motor is small in gear ratio, the variable speed output of the motor cannot be well realized, the working strength of the motor is increased, the transmission mode is not stable in operation, and the motor cannot be well adapted to high-speed operation of the motor.
The electric drive axle with reduction gear and differential has been proposed among the prior art, discloses a tertiary speed reduction electric drive axle of horizontal integrated form like chinese patent CN208021190U, including the axle housing, be equipped with differential, semi-axis in the axle housing, semi-axis connection wheel hub, wheel hub is equipped with hydraulic brake, manual brake parking brake, still includes driving motor, driving motor passes through the power input shaft and transmits power to three-gear main reducer, three-gear main reducer connects differential, the semi-axis is connected to the differential, the semi-axis drives wheel hub and rotates. The structure is a three-level speed reduction electric drive axle, and can realize large-speed-ratio speed reduction.
The prior art still has some defects. Only be in the same place tertiary reduction gear is integrated, and differential mechanism sets up inside the axle housing, and its integrated level is not high, and the motor casing still needs the erection joint between differential mechanism shell and the reduction gear shell, and the structure is complicated, and it is great to have caused the volume of transaxle, and it is great to match the space requirement with whole car, and the suitability is not good.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a non-axle installation electric bridge assembly of second grade speed reduction parallel shaft aims at solving among the prior art not high, the poor problem of suitability of integrated level.
For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
a two-stage deceleration parallel-axis off-axis mounted bridge assembly comprising: the high-speed motor is connected with the input end of the differential through the secondary reduction gear, the output end of the differential is connected with the axle pipe, and the axle pipe is used for connecting wheels; the axes of the two reduction gears of the secondary reduction gear are parallel; the motor shaft is parallel with the axle axis, and the motor shaft is parallel with the reduction gear axis.
Furthermore, the high-speed motor is arranged in a motor shell, a secondary reduction gear and a differential are integrated in a speed reducer and a differential shell, and the motor shell, the speed reducer and the differential shell are mutually independent.
Further, the speed reducer and the differential shell are mounted above the axle in a non-shaft mode.
The utility model has the advantages that:
1. two-stage speed reduction is adopted to realize high-speed-ratio speed reduction, torque is increased, and large output force is realized.
2. The speed reducer shell and the differential shell are integrated, so that the assembly process is simplified, the size is smaller, and the adaptability of the whole vehicle is better.
3. Adopt non-axle installation for differential mechanism and transmission shaft do not set up in the axle housing, are convenient for assemble and later maintenance dismantlement, and the axle design is simplified.
4. The axle axes of the motor shafts are parallel, so that the installation is more compact.
Drawings
Fig. 1 is a schematic structural view of a two-stage deceleration parallel shaft non-axle installation electric bridge assembly according to the present invention.
In the figure, 1, a high-speed motor; 2. a secondary reduction gear; 3. a differential mechanism; 4. a bridge pipe; 5. a wheel; 6. speed reducer and differential housing; 7. a motor casing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention is further described in detail by the following embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model provides a second grade speed reduction parallel shaft non-axle installation electric bridge assembly, include: the high-speed motor 1 is connected with the input end of the differential mechanism 3 through the secondary reduction gear 2, the output end of the differential mechanism 3 is connected with the bridge pipe 4, and the bridge pipe 4 is used for connecting wheels 5; the axes of the two reduction gears of the secondary reduction gear 2 are parallel; the motor shaft is parallel with the axle axis, and the motor shaft is parallel with the reduction gear axis.
The utility model discloses a power transmission route: the power output by the motor is transmitted to wheels on the left side and the right side by the differential mechanism through the speed reduction and torque increase of the secondary parallel reduction gear.
The utility model discloses a big velocity ratio speed reduction is realized in the second grade speed reduction, and great output power is realized to the increase moment of torsion. The axle axes of the motor shafts are parallel, so that the installation is more compact.
As a further preferable scheme, the high-speed motor 1 is arranged in a motor casing 7, the secondary reduction gear 2 and the differential 3 are integrated in a speed reducer and differential casing 6, and the motor casing 7 and the speed reducer and differential casing 6 are independent from each other. The speed reducer shell and the differential shell are integrated, so that the assembly process is simplified, the size is smaller, and the adaptability of the whole vehicle is better.
As a further preferred option, the retarder and the differential case 6 are mounted non-axially above the axle. Adopt non-axle installation for differential mechanism and transmission shaft do not set up in the axle housing, are convenient for assemble and later maintenance dismantlement, and the axle design is simplified.
Having thus described several aspects of at least one embodiment of this invention, it is to be appreciated various alterations, modifications, and improvements will readily occur to those skilled in the art. Such alterations, modifications, and improvements are intended to be within the spirit and scope of the invention.
Claims (3)
1. The utility model provides a non-axle installation electric bridge assembly of second grade speed reduction parallel shaft which characterized in that: the high-speed motor is connected with the input end of the differential through the secondary reduction gear, the output end of the differential is connected with the axle tube, and the axle tube is used for connecting wheels; the axes of the two reduction gears of the secondary reduction gear are parallel; the motor shaft is parallel with the axle axis, and the motor shaft is parallel with the reduction gear axis.
2. The two-stage deceleration parallel-axis non-axle-mounted bridge assembly of claim 1, wherein: the high-speed motor is arranged in a motor shell, a secondary reduction gear and a differential are integrated in a speed reducer and a differential shell, and the motor shell, the speed reducer and the differential shell are mutually independent.
3. The two-stage deceleration parallel-axis non-axle-mounted bridge assembly of claim 2, wherein: the speed reducer and the differential shell are mounted above the axle in a non-shaft mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686091.XU CN212332290U (en) | 2020-04-29 | 2020-04-29 | Non-axle installation electric bridge assembly of second grade speed reduction parallel shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686091.XU CN212332290U (en) | 2020-04-29 | 2020-04-29 | Non-axle installation electric bridge assembly of second grade speed reduction parallel shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212332290U true CN212332290U (en) | 2021-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020686091.XU Active CN212332290U (en) | 2020-04-29 | 2020-04-29 | Non-axle installation electric bridge assembly of second grade speed reduction parallel shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212332290U (en) |
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2020
- 2020-04-29 CN CN202020686091.XU patent/CN212332290U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220913 Address after: No. 9, Keyuan East 11th Road, High-tech Zone, Nanning City, Guangxi Zhuang Autonomous Region, 530009 Patentee after: Yuchaixinlan New Energy Power Technology Co.,Ltd. Address before: 537005 No. 88 flyover West Road, the Guangxi Zhuang Autonomous Region, Yulin Patentee before: Guangxi Yuchai Machinery Co.,Ltd. |