CN207842665U - A kind of speed changer and dynamical system and automobile using the speed changer - Google Patents
A kind of speed changer and dynamical system and automobile using the speed changer Download PDFInfo
- Publication number
- CN207842665U CN207842665U CN201721543743.9U CN201721543743U CN207842665U CN 207842665 U CN207842665 U CN 207842665U CN 201721543743 U CN201721543743 U CN 201721543743U CN 207842665 U CN207842665 U CN 207842665U
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- CN
- China
- Prior art keywords
- clutch
- ravigneaux
- transmission
- case
- speed changer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model is related to the dynamical systems and automobile of a kind of speed changer and the use speed changer, automobile includes vehicle frame and the dynamical system that is set on vehicle frame, dynamical system includes driving motor and speed changer, speed changer includes being provided with input shaft, the case of transmission of output shaft and the Ravigneaux's planetary gearing machanism being set in case of transmission, the small sun gear of Ravigneaux's planetary gearing machanism is coaxially connected on input shaft, the gear ring of Ravigneaux's planetary gearing machanism is coaxially connected on output shaft, it is respectively arranged with first clutch and second clutch between the big sun gear and input shaft and case of transmission of Ravigneaux's planetary gearing machanism, third clutch is provided between the planet carrier of Ravigneaux's planetary gearing machanism and the case of transmission.The utility model solves the problems, such as to cause driving motor ineffective due to lacking speed changer in the prior art.
Description
Technical field
The utility model is related in vehicular field speed changer and using the speed changer dynamical system and automobile.
Background technology
Pure electric coach can generally match fixed tooth than reduction box, such as Publication No. CN103707750A
Chinese patent discloses a kind of " pure electric vehicle electric drive dynamical system ", the pure electric vehicle power drive system include driving motor and
The retarder being directly connected with driving motor, retarder are used to export power to wheel.Such dynamical system takes full advantage of
The simple advantage of the larger range of speeds and transmission system of driving motor, but since it lacks mechanical transmission, cause to drive
Motor can not be operated in high efficient area as far as possible, and vehicle dynamic property, economy are poor, in addition to meeting the torque need of automobile
It asks, it has to higher requirement be made to driving motor, cause the size of driving motor larger, higher price is unfavorable for vehicle
Dynamic property and economy.
Invention content
The purpose of this utility model is to provide a kind of automobiles, to solve to cause due to lacking speed changer in the prior art
The ineffective problem of driving motor；The purpose of this utility model also resides in the dynamical system used in a kind of automobile of offer
And speed changer.
In order to solve the above technical problems, the technical solution of automobile is as follows in the utility model：
Automobile, including vehicle frame and the dynamical system that is set on vehicle frame, dynamical system include driving motor and speed changer, are become
Fast device includes being provided with input shaft, the case of transmission of output shaft and the ravigneaux type planetary gear that is set in case of transmission
Mechanism, the small sun gear of Ravigneaux's planetary gearing machanism is coaxially connected on input shaft, Ravigneaux's planetary gearing machanism
Gear ring is coaxially connected on output shaft, between the big sun gear and input shaft and case of transmission of Ravigneaux's planetary gearing machanism
It is respectively arranged with first clutch and second clutch, the planet carrier of Ravigneaux's planetary gearing machanism and the case of transmission
Between be provided with third clutch.
At least one clutch is bidirectional clutch in first clutch, second clutch and third clutch.
First clutch, second clutch and third clutch are bidirectional clutch.
The automobile is car.
The automobile is pure electric automobile or serial type hybrid automobile.
The technical solution of dynamical system is in the utility model：
Dynamical system, dynamical system include driving motor and speed changer, and speed changer includes being provided with input shaft, output shaft
Case of transmission and the Ravigneaux's planetary gearing machanism being set in case of transmission, Ravigneaux's planetary gearing machanism it is small
Sun gear is coaxially connected on input shaft, and the gear ring of Ravigneaux's planetary gearing machanism is coaxially connected on output shaft, Ravigneaux
Be respectively arranged between the big sun gear and input shaft and case of transmission of formula planetary gear mechanism first clutch and second from
Clutch is provided with third clutch between the planet carrier of Ravigneaux's planetary gearing machanism and the case of transmission.
At least one clutch is bidirectional clutch in first clutch, second clutch and third clutch.
First clutch, second clutch and third clutch are bidirectional clutch.
The technical solution of speed changer is in the utility model：
Speed changer, including it is provided with input shaft, the case of transmission of output shaft and the La Wei that is set in case of transmission
Na formula planetary gear mechanism, the small sun gear of Ravigneaux's planetary gearing machanism is coaxially connected on input shaft, Ravigneaux formula row
The gear ring of star gear mechanism is coaxially connected on output shaft, big sun gear and input shaft and the change of Ravigneaux's planetary gearing machanism
First clutch and second clutch, the planet carrier of Ravigneaux's planetary gearing machanism and institute are respectively arranged between fast device shell
It states and is provided with third clutch between case of transmission.
At least one clutch is bidirectional clutch in first clutch, second clutch and third clutch.
The beneficial effects of the utility model are：In the utility model, third clutch, ravigneaux type planetary gear machine are closed
The planet carrier of structure is fixed with case of transmission, and the power of driving motor is through input shaft, small sun gear, ravigneaux type planetary gear machine
The planetary gear of structure is transmitted to gear ring, and is finally exported through output shaft；Second clutch is closed, the power of driving motor is through input
Axis, small sun gear, planet carrier, gear ring and output shaft output；Close first clutch, the power of driving motor through big sun gear,
Planet carrier, gear ring and output shaft output, realize multi gear speed change, and the efficiency operation of driving motor is realized in flexibly control.
Further, Ravigneaux's planetary gearing machanism has spy simple in structure, size is small, transmission ratio variation range is big
Point can more reduce the power demand to driving motor, reduce product cost, while be also beneficial to reduce accounting for for dynamical system
Use space.
Description of the drawings
Fig. 1 is the structural schematic diagram of the dynamical system in one embodiment of automobile in utility model.
Specific implementation mode
The embodiment of automobile is as shown in Figure 1：Automobile is pure electric coach, including vehicle frame in the present embodiment（It is not shown in figure）
And it is set to dynamical system and traveling wheel on vehicle frame（It is not shown in figure）, dynamical system includes driving motor 1 and speed changer, is become
Fast device includes being provided with input shaft 13, the case of transmission of output shaft 10 and the Ravigneaux formula planet that is set in case of transmission
Gear mechanism, input shaft 13 arrange that Ravigneaux formula gear planetary mechanism belongs to the prior art with 10 coaxial line of output shaft comprising
Big sun gear 5, small sun gear 12, gear ring 8, planet carrier 9, long planetary gear 7 and the short planetary gear 11 of coaxial line arrangement, long planetary gear
7 and short planetary gear 11 be all connected on planet carrier 9, long planetary gear 7 simultaneously with gear ring 8 and the engaged transmission of big sun gear 5, short planet
Wheel 11 and 7 engaged transmission of small sun gear 12 and long planetary gear.Small sun gear 12 is coaxially connected on input shaft 13, and gear ring 8 is coaxial
Be connected on output shaft 10, be respectively arranged between big sun gear 5 and input shaft 13 and case of transmission 2 first clutch 4 and
Second clutch 3, is provided with third clutch 6 between 2 body of planet carrier 9 and transmission case, in the present embodiment, first clutch,
Second clutch and third clutch are bidirectional clutch.Output shaft is connect by retarder with traction drive.
In actual use, entire car controller is according to the control strategy of formulation, the corresponding clutch of driving executing agency closing
Device realizes that gear switches, such as closes third clutch, and planet carrier fixes with gear box casing, the power of driving motor passes through
Input shaft, small sun gear, short planetary gear, long planetary gear, gear ring and output shaft output, realize 1 gear；Second clutch is closed, greatly
Sun gear is fixed with case of transmission, and the power of driving motor is through input shaft, small sun gear, short planetary gear, planet carrier, long planet
Wheel, gear ring and output shaft output, realize 2 gears, and so on realize more gear switchings, in different road conditions, using different gears,
Ensure that driving motor works in high efficiency range as possible.In the other embodiments of the utility model, each clutch can also basis
It needs to select one-way clutch；Automobile can also be serial type hybrid automobile.
The embodiment of dynamical system is as shown in Figure 1：Described in the concrete structure of dynamical system and above-mentioned each automobile embodiment
Dynamical system it is identical, this will not be detailed here.
The embodiment of speed changer is as shown in Figure 1：The concrete structure of speed changer and the vapour described in above-mentioned each automobile embodiment
Vehicle is identical, and this will not be detailed here.
Claims (10)
1. automobile, including vehicle frame and the dynamical system that is set on vehicle frame, it is characterised in that：Dynamical system include driving motor and
Speed changer, speed changer include being provided with input shaft, the case of transmission of output shaft and the Ravigneaux that is set in case of transmission
Formula planetary gear mechanism, the small sun gear of Ravigneaux's planetary gearing machanism is coaxially connected on input shaft, Ravigneaux formula planet
The gear ring of gear mechanism is coaxially connected on output shaft, big sun gear and input shaft and the speed change of Ravigneaux's planetary gearing machanism
Be respectively arranged with first clutch and second clutch between device shell, the planet carrier of Ravigneaux's planetary gearing machanism with it is described
Third clutch is provided between case of transmission.
2. automobile according to claim 1, it is characterised in that：In first clutch, second clutch and third clutch
At least one clutch is bidirectional clutch.
3. automobile according to claim 2, it is characterised in that：First clutch, second clutch and third clutch are equal
For bidirectional clutch.
4. automobile according to claim 1, it is characterised in that：The automobile is car.
5. according to the automobile described in claim 1 ~ 3 any one, it is characterised in that：The automobile is pure electric automobile or series connection
Formula hybrid vehicle.
6. dynamical system, it is characterised in that：Dynamical system includes driving motor and speed changer, and speed changer includes being provided with input
Axis, the case of transmission of output shaft and the Ravigneaux's planetary gearing machanism that is set in case of transmission, Ravigneaux formula planet
The small sun gear of gear mechanism is coaxially connected on input shaft, and the gear ring of Ravigneaux's planetary gearing machanism is coaxially connected in output
On axis, the first clutch is respectively arranged between the big sun gear and input shaft and case of transmission of Ravigneaux's planetary gearing machanism
Device and second clutch are provided with third clutch between the planet carrier of Ravigneaux's planetary gearing machanism and the case of transmission
Device.
7. dynamical system according to claim 6, it is characterised in that：First clutch, second clutch and third clutch
At least one clutch is bidirectional clutch in device.
8. dynamical system according to claim 7, it is characterised in that：First clutch, second clutch and third clutch
Device is bidirectional clutch.
9. speed changer, it is characterised in that：Including being provided with the case of transmission of input shaft, output shaft and being set to case of transmission
In Ravigneaux's planetary gearing machanism, the small sun gear of Ravigneaux's planetary gearing machanism is coaxially connected on input shaft, draws
The gear rings of Wei Nashi planetary gear mechanisms is coaxially connected on output shaft, the big sun gear of Ravigneaux's planetary gearing machanism with it is defeated
Enter and is respectively arranged with first clutch and second clutch between axis and case of transmission, the row of Ravigneaux's planetary gearing machanism
Third clutch is provided between carrier and the case of transmission.
10. speed changer according to claim 9, it is characterised in that：First clutch, second clutch and third clutch
In at least one clutch be bidirectional clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721543743.9U CN207842665U (en) | 2017-11-17 | 2017-11-17 | A kind of speed changer and dynamical system and automobile using the speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721543743.9U CN207842665U (en) | 2017-11-17 | 2017-11-17 | A kind of speed changer and dynamical system and automobile using the speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207842665U true CN207842665U (en) | 2018-09-11 |
Family
ID=63422514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721543743.9U Expired - Fee Related CN207842665U (en) | 2017-11-17 | 2017-11-17 | A kind of speed changer and dynamical system and automobile using the speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207842665U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109466311A (en) * | 2018-12-29 | 2019-03-15 | 杭州登腾科技有限公司 | A kind of hybrid gearbox and hybrid vehicle |
| CN110578775A (en) * | 2019-07-12 | 2019-12-17 | 福州锐智新能源科技有限公司 | three-gear transmission based on Ravigneaux planetary gear train and linkage actuating mechanism |
| CN114771474A (en) * | 2022-04-27 | 2022-07-22 | 石河子大学 | Reverse gear mode braking system based on mechanical hydraulic stepless speed changer |
-
2017
- 2017-11-17 CN CN201721543743.9U patent/CN207842665U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109466311A (en) * | 2018-12-29 | 2019-03-15 | 杭州登腾科技有限公司 | A kind of hybrid gearbox and hybrid vehicle |
| CN110578775A (en) * | 2019-07-12 | 2019-12-17 | 福州锐智新能源科技有限公司 | three-gear transmission based on Ravigneaux planetary gear train and linkage actuating mechanism |
| CN114771474A (en) * | 2022-04-27 | 2022-07-22 | 石河子大学 | Reverse gear mode braking system based on mechanical hydraulic stepless speed changer |
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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: 20180911 Termination date: 20191117 |