CN207989697U - A kind of electric powered motor output speed reducer structure - Google Patents
A kind of electric powered motor output speed reducer structure Download PDFInfo
- Publication number
- CN207989697U CN207989697U CN201820461935.3U CN201820461935U CN207989697U CN 207989697 U CN207989697 U CN 207989697U CN 201820461935 U CN201820461935 U CN 201820461935U CN 207989697 U CN207989697 U CN 207989697U
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- gear
- planetary
- shaft
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- axle
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Abstract
The utility model discloses a kind of electric powered motor output speed reducer structures, including the planetary frame being arranged on motor output shaft, planetary gear is equipped with by gear shaft on planetary frame, the input terminal center of planetary frame is equipped with sun gear, sun gear is coaxially connected with motor main shaft, sun gear is engaged with planetary gear, the input terminal of planetary frame is equipped with ring gear by bearing, ring gear is engaged with planetary gear, the output end spline of planetary frame is connected with driving wheel, driving wheel is engaged with follower, follower is connected with differential carrier bolt, differential carrier is connect with cross axle shaft hole matching, differential spider wheel is installed on cross axle, differential spider wheel and the left half axle gear on left half axle, right axle shaft gear engagement on right axle shaft.The utility model is compact-sized, and reduction gear ratio is big, and transmission torque is big, and axial, radial high capacity has higher transmission accuracy and higher mechanical efficiency, improves space availability ratio.
Description
Technical field
The utility model is related to mechanism technical field of slowing down, specifically a kind of electric powered motor output speed reducer structure.
Background technology
Speed reducer plays the role of matching rotating speed between prime mover and working machine or executing agency and transmits torque, slows down
Type number is different, can be divided into gear reduction unit, worm reducer and planetary reducer according to actuation types；According to gear stage
Number difference can be divided into single-stage and multi-stage speed reducer；It can be divided into cylinder gear speed reducer, cone gear reducer according to gear shape
With circular cone-cylinder gear speed reducer；It can be divided into expansion, shunting and coaxial reducer again according to the arrangement form of transmission.
In the existing motor-retarder-differential system of New-energy electric vehicle, retarder is slowed down using more set roller gears,
This deceleration mechanism size is big, it is small to transmit torque.
Utility model content
Utility model aims to solve the problems mentioned above in the background art, it is big to provide a kind of reduction ratio, empty
Between size again very small electric powered motor output speed reducer structure.
A kind of electric powered motor output speed reducer structure described in the utility model, including be arranged on motor output shaft
Planetary frame, planetary gear, the input terminal center peace of the planetary frame are equipped with by gear shaft on the planetary frame
Equipped with sun gear, the sun gear and motor main shaft are coaxially connected, and the sun gear is engaged with the planetary gear,
The input terminal of the planetary frame is equipped with ring gear by bearing, and the ring gear is engaged with the planetary gear, the row
The output end spline of star frame is connected with driving wheel, and the driving wheel is engaged with follower, the follower and differential carrier spiral shell
Bolt is connected, and the differential carrier is connect with cross axle shaft hole matching, and differential spider wheel, institute are equipped on the cross axle
Differential spider wheel is stated to engage with the left half axle gear on left half axle, the right axle shaft gear on right axle shaft.
Further, the sun gear and the mounting hole of motor main shaft cooperation are additionally provided with pin, and the pin passes through peace
It fills hole to be inserted into pin counterbore, the sun gear is made to be fixed on motor main shaft.
Further, the planetary frame includes ontology and the output axle journal that is extended by its center.
Further, the gear shaft is nose bar structure, is equipped with boss among it.
The advantages of the utility model and generation good effect are：
Compact-sized, reduction gear ratio is big, and transmission torque is big, and axial, radial high capacity has higher transmission accuracy
With higher mechanical efficiency, space availability ratio is improved, reliability and the safety of deceleration are improved, particularly suitable for new energy
Motor-retarder-differential system of electric vehicle.When installation power intake can with motor coaxle direct connection, therefore install
It is easy to use.
Description of the drawings
Fig. 1 is that the utility model is installed on the axis profile schematic diagram in motor-retarder-differential system；
Fig. 2 is planetary frame positive structure schematic；
Fig. 3 is planetary frame A-A sectional views；
Mark meaning is as follows in Fig. 1-3：Planetary frame 1, gear shaft 2, planetary gear 3, sun gear 4, motor main shaft
5, ring gear 6, driving wheel 7, follower 8, differential carrier 9, cross axle 10, differential spider wheel 11, left half axle 12, left half axle tooth
Wheel 13, right axle shaft 14, right axle shaft gear 15, ontology 16 export axle journal 17, motor 18.
Specific implementation mode
It elaborates below in conjunction with the accompanying drawings to specific embodiment of the present utility model.To the shape of involved each component
The effect and operation principle of mutual alignment and connection relation, each section between shape, construction, each section, manufacturing process and operation
Application method etc., is described in further detail, to help design of the those skilled in the art to the utility model, technical solution
There is more complete, accurate and deep understanding.
A kind of electric powered motor output speed reducer structure, as shown in Figure 1, including the planet being arranged on motor output shaft
Frame 1, the planetary frame 1 include ontology 16 and the output axle journal 17 extended by its center, pass through on the planetary frame 1
Gear shaft 2 is equipped with planetary gear 3, and the gear shaft 2 is nose bar structure, among it equipped with the defeated of planetary frame 1 described in boss
Enter to hold center that sun gear 4 is installed, the sun gear 4 and motor main shaft 5 are coaxially connected, the sun gear 4 and institute
The engagement of planetary gear 3 is stated, the mounting hole that the sun gear 4 coordinates with motor main shaft 5 is additionally provided with pin, and the pin passes through
Mounting hole is inserted into pin counterbore, so that the sun gear 4 is fixed on motor main shaft 5, the input terminal of the planetary frame 1
Ring gear 6 is installed by bearing, the ring gear 6 is engaged with the planetary gear 3, the output end flower of the planetary frame 1
Key connection has driving wheel 7, the driving wheel 7 to be engaged with follower 8, and the follower 8 is connected with 9 bolt of differential carrier,
The differential carrier 9 is connect with 10 shaft hole matching of cross axle, and differential spider wheel 11, the difference are equipped on the cross axle 10
Fast device planetary gear 11 is engaged with the left half axle gear 13 on left half axle 12, the right axle shaft gear 15 on right axle shaft 14.
The course of work of the utility model is as follows：Motor main shaft 5 drives the sun gear 4 to rotate, the sun tooth
Wheel 4 revolves round the sun while driving 3 rotation of planetary gear around ring gear 6, and then the planetary frame 1 is driven to rotate, meanwhile, even
The driving wheel 7 for being connected on 1 output end of the planetary frame then rotates, and follower 8 is driven to rotate, and follower 8 drives and its spiral shell
The differential carrier 9 that bolt is connected rotates, and differential carrier 9 drives the cross axle 10 being connect with its shaft hole matching to rotate, cross axle
10 drive differential spider wheel 11 to rotate,
Left half axle gear 13, right axle shaft gear 15 is driven to rotate while differential spider 11 rotation of wheel,
And then left half axle 12 and right axle shaft 14 is driven to rotate, band motor car wheel drives automobile respectively for left half axle 12 and right axle shaft 14
Advance.
Above-described embodiment is only the more excellent embodiment of the utility model, every according to the technical essence of the utility model pair
Any simple modification, modification and alternate variation made for any of the above embodiments, are all within the scope of the technical scheme of the utility model.
Claims (4)
1. a kind of electric powered motor output speed reducer structure, it is characterised in that：Including the planet being arranged on motor output shaft
Frame is equipped with planetary gear on the planetary frame by gear shaft, and the input terminal center of the planetary frame is equipped with too
Positive gear, the sun gear and motor main shaft are coaxially connected, and the sun gear is engaged with the planetary gear, the row
The input terminal of star frame is equipped with ring gear by bearing, and the ring gear is engaged with the planetary gear, the planetary frame
Output end spline be connected with driving wheel, the driving wheel is engaged with follower, and the follower and differential carrier bolt coordinate
Connection, the differential carrier are connect with cross axle shaft hole matching, and differential spider wheel, the differential are equipped on the cross axle
Device planetary gear is engaged with the left half axle gear on left half axle, the right axle shaft gear on right axle shaft.
2. a kind of electric powered motor output speed reducer structure according to claim 1, it is characterised in that：The sun gear
Be additionally provided with pin with the mounting hole of motor main shaft cooperation, the pin passes through mounting hole to be inserted into pin counterbore, make it is described too
Positive gear is fixed on motor main shaft.
3. a kind of electric powered motor output speed reducer structure according to claim 1, it is characterised in that：The planetary frame
The output axle journal extended including ontology and by its center.
4. a kind of electric powered motor output speed reducer structure according to claim 1, it is characterised in that：The gear shaft is
Nose bar structure is equipped with boss among it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820461935.3U CN207989697U (en) | 2018-03-30 | 2018-03-30 | A kind of electric powered motor output speed reducer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820461935.3U CN207989697U (en) | 2018-03-30 | 2018-03-30 | A kind of electric powered motor output speed reducer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989697U true CN207989697U (en) | 2018-10-19 |
Family
ID=63831249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820461935.3U Expired - Fee Related CN207989697U (en) | 2018-03-30 | 2018-03-30 | A kind of electric powered motor output speed reducer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207989697U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910881A (en) * | 2021-11-24 | 2022-01-11 | 中国重汽集团济南动力有限公司 | Electric drive axle based on clutch planet shifts |
-
2018
- 2018-03-30 CN CN201820461935.3U patent/CN207989697U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910881A (en) * | 2021-11-24 | 2022-01-11 | 中国重汽集团济南动力有限公司 | Electric drive axle based on clutch planet shifts |
| CN113910881B (en) * | 2021-11-24 | 2023-12-12 | 中国重汽集团济南动力有限公司 | Electric drive axle based on clutch planet gear shifting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20210330 |