CN207173273U - A kind of bi-motor planet coupling driving device - Google Patents
A kind of bi-motor planet coupling driving device Download PDFInfo
- Publication number
- CN207173273U CN207173273U CN201720740458.XU CN201720740458U CN207173273U CN 207173273 U CN207173273 U CN 207173273U CN 201720740458 U CN201720740458 U CN 201720740458U CN 207173273 U CN207173273 U CN 207173273U
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- Prior art keywords
- motor
- gear
- planetary
- driving device
- brake
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- 230000008878 coupling Effects 0.000 title claims abstract description 18
- 238000010168 coupling process Methods 0.000 title claims abstract description 18
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 18
- 230000005611 electricity Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a kind of bi-motor planet coupling driving device, the drive device includes：First motor, the second motor, planetary gears, main reducing gear and brake, wherein, the sun gear of first motor and the planetary gears is coaxially connected；Second motor is connected with the planetary mechanism gear of the planetary gears；The planet carrier of the main reducing gear and the planetary gears is coaxially connected, and the planet carrier is equipped with the planetary gear of predetermined number；The planetary gear and planetary mechanism gear engagement connection；The planetary mechanism gear engages connection with the brake.The bi-motor planet coupling driving device that the utility model embodiment provides, it can realize that the power of two motors couples by engaging the brake of connection with planetary structure gear, so that two motor synchronism output power, reduce differential, and then the impulsive force of motor and planetary gears is reduced, improve the performance of power output.
Description
Technical field
The utility model belongs to power transmission technique field, is related to a kind of drive device, and in particular to a kind of bi-motor row
Star coupling driving device.
Background technology
At present, with the development of new energy, increasing vehicular manufacturer starts to research and develop new-energy automobile, such as electronic
Automobile, and be exactly drive device the characteristics of electric automobile maximum, at this stage, drive device is mostly using motor as defeated
Go out power, but existing output power of motor is smaller, and the integral power that this also results in new-energy automobile is smaller, can not meet vapour
The requirement of car fast running, in order to further improve power output, often using bi-motor, but using motor during bi-motor
Power output between larger difference be present, if directly two motors, which are superimposed, provides power, it is most likely that cause
The intense impact of travelling gear, severe patient is it is also possible to cause the disconnected phenomenon of gear card, this is fatal for the vehicle of traveling
Potential safety hazard.
Utility model content
The purpose of this utility model is to overcome shortcoming present in prior art, there is provided a kind of bi-motor planet coupling is driven
Dynamic device, can reduce the differential between two motors, reduce the impact of gear, improve the stability of starter.
To achieve these goals, the technical solution of the utility model is as follows：A kind of bi-motor planet coupling driving device,
The drive device includes：First motor, the second motor, planetary gears, main reducing gear and brake,
Wherein, the sun gear of first motor and the planetary gears is coaxially connected；
Second motor is connected with the planetary mechanism gear of the planetary gears；
The planet carrier of the main reducing gear and the planetary gears is coaxially connected, and the planet carrier is equipped with present count
The planetary gear of amount；
The planetary gear and planetary mechanism gear engagement connection；
The planetary mechanism gear engages connection with the brake.
Further improved, first motor and second motor are direct current motor.
It is further improved, it is axially consistent with axial direction where second motor where first motor.
Further improved, the planetary gears and the brake are packaged in fixed shell.
Further improved, under single electric machine operation state, first motor works independently, and the brake is in system
Dynamic state.
Further improved, under bi-motor working condition, first motor works simultaneously with second motor, and
First motor is adjusted by the brake to couple with second power of motor.
Compared with prior art, the bi-motor planet coupling driving that the utility model embodiment provides fills the utility model
Put, can realize that the power of two motors couples by engaging the brake of connection with planetary structure gear so that two motors
Synchronism output power, reduce differential, the impulsive force of motor and planetary gears can be reduced, improve the performance of power output.
Brief description of the drawings
Fig. 1 is a kind of structural representation for bi-motor planet coupling driving device that the utility model embodiment provides.
Embodiment
The effect of to make to architectural feature of the present utility model and being reached, has a better understanding and awareness, to compared with
Good embodiment and accompanying drawing coordinate detailed description, are described as follows：
As shown in figure 1, a kind of structure of the bi-motor planet coupling driving device provided for the utility model embodiment is shown
It is intended to, referring to Fig. 1, the bi-motor planet coupling driving device, specifically includes：First motor, the second motor, planetary gears
01st, main reducing gear and brake 02,
Wherein, the sun gear 011 of first motor and the planetary gears 01 is coaxially connected；
Second motor is connected with the planetary mechanism gear 012 of the planetary gears 01；
The planet carrier 013 of the main reducing gear and the planetary gears 01 is coaxially connected, and the planet carrier 013 assembles
There is the planetary gear 014 of predetermined number；
The planetary gear 014 and the planetary mechanism gear 012 engagement connection；
The planetary mechanism gear 012 engages connection with the brake 02.
It should be noted that Fig. 1 is only a kind of specific structural representation that the utility model implements offer, for planet
Concrete mechanism, dimension scale and each engagement of planetary gear in gear mechanism, planet carrier, sun gear and planetary mechanism gear
Transmission ratios between gear, the utility model do not limit in any form.
In order to reach relatively stable controllable power output, in a kind of specific implementation that the utility model is implemented to provide
In, the first above-mentioned motor and second motor can be dc point motor.
The maintenance work of installation and later stage in order to facilitate motor, it is specific in one kind that the utility model embodiment provides
It is axially consistent with axial direction where the second motor where the first motor in implementation.
It will be appreciated to those of skill in the art that I＆M for convenience, can be by the first motor and the second electricity
Machine sets to obtain the same side, because the architectural characteristic of planetary gears is, it is necessary to axial direction where ensureing the first motor and the second motor
Place is axially consistent.
In order to improve integrated level, it is easy to the popularization of product and the secrecy to device interior construction, while improve planet tooth
The dirt exclusion capabilities of mechanism are taken turns, can be by planetary gears 01 and braking in the scheme that the utility model embodiment provides
Device 02 is packaged in fixed shell.
In order to improve the operating efficiency of motor, it is further provided more rational power output, the utility model embodiment
Two kinds of working methods are provided, specifically：
The first：Single electrical machine working mode, i.e., under single electric machine operation state, first motor works independently, described
Brake 02 is in on-position.
Second：Bi-motor mode of operation, i.e., under bi-motor working condition, first motor and second motor
Work simultaneously, and first motor is adjusted by the brake 02 and coupled with second power of motor.
Compared with prior art, the bi-motor planet coupling driving that the utility model embodiment provides fills the utility model
Put, can realize that the power of two motors couples by engaging the brake of connection with planetary structure gear so that two motors
Synchronism output power, reduce differential, the impulsive force of motor and planetary gears can be reduced, improve the performance of power output.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply principle of the present utility model, the utility model also has respectively on the premise of the spirit and scope of the utility model is not departed from
Kind changes and improvements, these changes and improvements are both fallen within claimed the scope of the utility model.The requires of the utility model
Protection domain defined by appended claims and its equivalent.
Claims (6)
1. a kind of bi-motor planet coupling driving device, it is characterised in that the drive device includes：First motor, the second electricity
Machine, planetary gears, main reducing gear and brake,
Wherein, the sun gear of first motor and the planetary gears is coaxially connected；
Second motor is connected with the planetary mechanism gear of the planetary gears；
The planet carrier of the main reducing gear and the planetary gears is coaxially connected, and the planet carrier is equipped with predetermined number
Planetary gear；
The planetary gear and planetary mechanism gear engagement connection；
The planetary mechanism gear engages connection with the brake.
2. bi-motor planet coupling driving device according to claim 1, it is characterised in that first motor and described
Second motor is direct current generator.
3. bi-motor planet coupling driving device according to claim 1, it is characterised in that axle where first motor
To with second motor where axially it is consistent.
4. bi-motor planet coupling driving device according to claim 1, it is characterised in that the planetary gears with
And the brake is packaged in fixed shell.
5. bi-motor planet coupling driving device according to claim 1, it is characterised in that in single electric machine operation state
Under, first motor works independently, and the brake is in on-position.
6. the bi-motor planet coupling driving device according to any one of claim 1, it is characterised in that in bi-motor work
Make under state, first motor works simultaneously with second motor, and adjusts described first by the brake
Motor couples with second power of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720740458.XU CN207173273U (en) | 2017-06-23 | 2017-06-23 | A kind of bi-motor planet coupling driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720740458.XU CN207173273U (en) | 2017-06-23 | 2017-06-23 | A kind of bi-motor planet coupling driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207173273U true CN207173273U (en) | 2018-04-03 |
Family
ID=61735124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720740458.XU Expired - Fee Related CN207173273U (en) | 2017-06-23 | 2017-06-23 | A kind of bi-motor planet coupling driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207173273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638849A (en) * | 2018-06-29 | 2018-10-12 | 北汽福田汽车股份有限公司 | The drive system of vehicle and vehicle with it |
-
2017
- 2017-06-23 CN CN201720740458.XU patent/CN207173273U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638849A (en) * | 2018-06-29 | 2018-10-12 | 北汽福田汽车股份有限公司 | The drive system of vehicle and vehicle with it |
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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 |
Granted publication date: 20180403 |
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| CF01 | Termination of patent right due to non-payment of annual fee |