CN207772888U - A kind of input shaft support device of one input shaft type power assembly of electric automobile - Google Patents
A kind of input shaft support device of one input shaft type power assembly of electric automobile Download PDFInfo
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- CN207772888U CN207772888U CN201820119838.6U CN201820119838U CN207772888U CN 207772888 U CN207772888 U CN 207772888U CN 201820119838 U CN201820119838 U CN 201820119838U CN 207772888 U CN207772888 U CN 207772888U
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- bearing
- input shaft
- power assembly
- electric automobile
- support device
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Abstract
The utility model provides a kind of input shaft support device of one input shaft type power assembly of electric automobile, including first bearing, second bearing and the 3rd bearing being arranged on integrated input shaft, first bearing and second bearing are respectively sleeved at the both ends of integrated input shaft, 3rd bearing is set on integrated input shaft, and 3rd bearing is between first bearing and second bearing；Any one in first bearing, second bearing and 3rd bearing is floating bearing.The input shaft support device of one input shaft type power assembly of electric automobile provided by the utility model can overcome power assembly of electric automobile using after integral type input shaft because of mistake orientation problem that supported at three point easily occurs, the assembly technology difficulty and wear of work degree for reducing power assembly, reduce vibration and noise.
Description
Technical field
The utility model is related to electric vehicle manufacturing fields, and in particular to a kind of one input shaft type electric powered motor is total
At input shaft support device.
Background technology
When power assembly of electric automobile uses motor output shaft and reducer input shaft unitary design, integrated input shaft to need
It is supported jointly by three bearings, also therefore will appear orientation problem.This aspect increases the assembly technology of power assembly
Difficulty will also result in vibration and noise simultaneously as rigging error easily leads to the abrasion between bearing and bearing block.
Because supported at three point easily goes out after power assembly of electric automobile capable of being overcome to use integral type input shaft therefore, it is necessary to one kind
Existing mistake orientation problem reduces the assembly technology difficulty and wear of work degree of power assembly, reduces the one of vibration and noise
The input shaft support device of shaft type power assembly of electric automobile is inputted to solve problems of the prior art.
Utility model content
The utility model aim is to provide a kind of input shaft support dress of one input shaft type power assembly of electric automobile
It sets, specific technical solution is as follows：
A kind of input shaft support device of one input shaft type power assembly of electric automobile, including be arranged in integrated input shaft
On first bearing, second bearing and 3rd bearing, the first bearing and second bearing are respectively sleeved at the one input
The both ends of axis, the 3rd bearing are set on the integrated input shaft, and the 3rd bearing be located at the first bearing with
Between the second bearing；Any one in the first bearing, second bearing and 3rd bearing is floating bearing.
Above technical scheme is preferred, and the 3rd bearing is floating bearing.
Above technical scheme is preferred, and the first bearing and second bearing are ball bearing.
Above technical scheme is preferred, and one end of the one input shaft and the rotor of motor connect, the one
The other end of input shaft is equipped with gear structure, and the one input shaft and the gear structure are an integral molding structure, the tooth
Wheel construction engages connection with the level-one driven gear of retarder, and the first bearing is set in the integrated input shaft close to described
One end of motor, the second bearing are set in the integrated input shaft close to one end of the retarder.
Above technical scheme is preferred, and the second bearing and 3rd bearing are separately positioned on the two of the gear structure
Side.
Above technical scheme is preferred, the level-one driven gear and intermediate axis connection for output power to it is described
The differential assembly of intermediate axis connection.
Above technical scheme is preferred, and the retarder and motor are arranged in a shell.
Above technical scheme is preferred, and the retarder is arranged in reducing gearbox body, and the motor is arranged in motor casing
In vivo, the reducer shell and electric machine casing are bolted.
Using the technical solution of the utility model, have the advantages that：
(1) the input shaft support device of the one input shaft type power assembly of electric automobile of the utility model, including setting
First bearing, second bearing on integrated input shaft and 3rd bearing, first bearing and second bearing are respectively sleeved at described
The both ends of integrated input shaft, 3rd bearing are set on integrated input shaft, and 3rd bearing is located at first bearing and second bearing
Between；Any one in first bearing, second bearing and 3rd bearing is floating bearing.It is defeated using motor output shaft and retarder
Enter axis integral structure, support is provided to integrated input shaft by three design bearings and balances, any one in three bearings
Bearing uses floating bearing, the existing support of floating bearing and balanced action of setting also to have the function of rock-steady structure, due to floating
There is certain interval between dynamic bearing and its bearing block, can effectively solve the problem that the positioning of crossing being susceptible to when three bearing supports is asked
Topic, while assembly technology difficulty is also reduced, there are certain intervals between floating bearing and its bearing block, can reduce because of size
The abrasion of error and bearing and bearing block caused by rigging error, has also advanced optimized the NVH of power assembly of electric automobile
Can, reduce vibration and noise.In three bearings, preferably 3rd bearing use floating bearing, it is reasonable for structure and have bigger
Stability.First bearing and second bearing can be used ball bearing, simple in structure and be easily achieved.
(2) rotor of one end of integrated input shaft and motor connects in the utility model, integrated input shaft it is another
End is equipped with gear structure, and integrated input shaft and gear structure are an integral molding structure, and the level-one of gear structure and retarder is driven
Gear engagement connection, first bearing are set in integrated input shaft close to one end of motor, and second bearing is set in integrated input shaft
Close to one end of retarder.Second bearing and 3rd bearing are separately positioned on the both sides of gear structure.It is set when on integrated input shaft
It is reasonable for structure by two both sides for being separately positioned on the gear structure in three bearings when having integrally formed gear structure
With stability.The level-one driven gear of the gear structure and retarder connects, and level-one driven gear is used for intermediate axis connection
The differential assembly with intermediate axis connection is outputted power to, can further be output power on vehicle, power assembly is completed
Power transmission.
(3) retarder and motor both may be provided in a shell in the utility model, effectively avoid rigging error, ensure
The concentricity of axis and bearing has the advantages that optimize structure, saves space；Also retarder can be taken to be arranged in reducing gearbox body
The mode in electric machine casing is set with motor, reducer shell and electric machine casing are bolted, electric machine casing and deceleration
Device shell is separately positioned, easy to process.
Other than objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Description of the drawings
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.In attached drawing
In：
Fig. 1 is the structural schematic diagram that shaft type power assembly of electric automobile is integrally inputted in the utility model embodiment 1；
Wherein, 1, integrated input shaft, 1.1, gear structure, 2, retarder, 2.1, differential assembly, 2.2, jackshaft,
2.3, level-one driven gear, 2.4, reducer shell, 3, motor, 3.1, electric machine casing, 4, second bearing, 5,3rd bearing, 6,
First bearing.
Specific implementation mode
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be according to power
Profit requires to limit and the multitude of different ways of covering is implemented.
Embodiment 1：
A kind of input shaft support device of one input shaft type power assembly of electric automobile, referring to Fig. 1, including is arranged one
First bearing 6, second bearing 4 on body input shaft 1 and 3rd bearing 5, the first bearing 6 and second bearing 4 are arranged respectively
At the both ends of the integrated input shaft 1, and the 3rd bearing 5 is set between the first bearing 6 and second bearing 4；Institute
It is floating bearing to state any one in first bearing 6, second bearing 4 and 3rd bearing 5.
In the present embodiment, the 3rd bearing 5 in three bearings uses floating bearing, the first bearing 6, second
Bearing 4 is ball bearing.
In the present embodiment, one end of the integrated input shaft 1 is equipped with gear structure 1.1, the one input shaft 1 and institute
It states gear structure 1.1 to be an integral molding structure, 2.3 company of engagement of level-one driven gear of the gear structure 1.1 and retarder 2
It connects, the level-one driven gear 2.3 is connect with jackshaft 2.2 for outputting power to the difference being connect with the jackshaft 2.2
Fast device assembly 2.1；The other end of the one input shaft 1 is connect with the rotor of motor 3.The first bearing 6 is set in
For the one input shaft 1 close to one end of the motor 3, the second bearing 4 is set in the integrated input shaft 1 close to described
One end of retarder 2, the second bearing 4 and 3rd bearing 5 are separately positioned on the both sides of the gear structure 1.1.
In the present embodiment, the retarder 2 is arranged in reducer shell 2.4, and the motor 3 is arranged in electric machine casing
In 3.1, the reducer shell 2.4 and electric machine casing 3.1 are bolted.It should be noted that the retarder 2 and institute
Motor 3 is stated to may also be arranged in the same shell.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of input shaft support device of one input shaft type power assembly of electric automobile, which is characterized in that exist including setting
First bearing (6), second bearing (4) on integrated input shaft (1) and 3rd bearing (5), the first bearing (6) and the second axis
The both ends that (4) are respectively sleeved at the integrated input shaft (1) are held, the 3rd bearing (5) is set in the integrated input shaft (1)
On, and the 3rd bearing (5) is between the first bearing (6) and the second bearing (4)；
Any one in the first bearing (6), second bearing (4) and 3rd bearing (5) is floating bearing.
2. the input shaft support device of one input shaft type power assembly of electric automobile according to claim 1, feature
It is, the 3rd bearing (5) is floating bearing.
3. the input shaft support device of one input shaft type power assembly of electric automobile according to claim 2, feature
It is, the first bearing (6) and second bearing (4) are ball bearing.
4. the input shaft support device of one input shaft type power assembly of electric automobile according to claim 1, feature
It is, one end of the one input shaft (1) is connect with the rotor of motor (3), the other end of the one input shaft (1)
Equipped with gear structure (1.1), the one input shaft (1) and the gear structure (1.1) are an integral molding structure, the gear
Structure (1.1) engages connection with the level-one driven gear (2.3) of retarder (2), and the first bearing (6) is set in the one
For input shaft (1) close to one end of the motor (3), the second bearing (4) is set in the integrated input shaft (1) close to described
One end of retarder (2).
5. the input shaft support device of one input shaft type power assembly of electric automobile according to claim 4, feature
It is, the second bearing (4) and 3rd bearing (5) are separately positioned on the both sides of the gear structure (1.1).
6. the input shaft support device of one input shaft type power assembly of electric automobile according to claim 4, feature
It is, the level-one driven gear (2.3) is connect with jackshaft (2.2) for outputting power to and the jackshaft (2.2)
The differential assembly (2.1) of connection.
7. the input shaft support device of one input shaft type power assembly of electric automobile according to claim 4, feature
It is, the retarder (2) and motor (3) are arranged in a shell.
8. the input shaft support device of one input shaft type power assembly of electric automobile according to claim 4, feature
It is, retarder (2) setting is in reducer shell (2.4), and motor (3) setting is in electric machine casing (3.1), institute
It states reducer shell (2.4) and electric machine casing (3.1) is bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820119838.6U CN207772888U (en) | 2018-01-24 | 2018-01-24 | A kind of input shaft support device of one input shaft type power assembly of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820119838.6U CN207772888U (en) | 2018-01-24 | 2018-01-24 | A kind of input shaft support device of one input shaft type power assembly of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207772888U true CN207772888U (en) | 2018-08-28 |
Family
ID=63211228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820119838.6U Active CN207772888U (en) | 2018-01-24 | 2018-01-24 | A kind of input shaft support device of one input shaft type power assembly of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207772888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588310A (en) * | 2019-09-27 | 2019-12-20 | 上海中科深江电动车辆有限公司 | Electric drive device |
-
2018
- 2018-01-24 CN CN201820119838.6U patent/CN207772888U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588310A (en) * | 2019-09-27 | 2019-12-20 | 上海中科深江电动车辆有限公司 | Electric drive device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191021 Address after: 412000 Ming day road, Tianyuan District, Zhuzhou, Hunan Province, No. 10 Patentee after: Zhuzhou Gearings Co., Ltd. Address before: 412000, Zhuzhou, Hunan province Tianyuan District Pearl River North Road chestnut rain Industrial Park Patentee before: Zhuzhou Accurate Drive Train Co., Ltd. |
|
| TR01 | Transfer of patent right |