CN104633024B - Six-speed automatic gearbox transmission mechanism for optimizing transmission ratio - Google Patents
Six-speed automatic gearbox transmission mechanism for optimizing transmission ratio Download PDFInfo
- Publication number
- CN104633024B CN104633024B CN201410826425.8A CN201410826425A CN104633024B CN 104633024 B CN104633024 B CN 104633024B CN 201410826425 A CN201410826425 A CN 201410826425A CN 104633024 B CN104633024 B CN 104633024B
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- CN
- China
- Prior art keywords
- planetary gear
- row
- friction clutch
- fixedly connected
- gear set
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 title claims abstract description 8
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 239000000969 carrier Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/62—Gearings having three or more central gears
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
Disclosed is a six-speed automatic gearbox transmission mechanism for optimizing a transmission ratio. The six-speed automatic gearbox transmission mechanism comprises an input shaft, an output shaft, three planetary gear assemblies, four connecting components, three friction brakes and three friction clutches, and all the components are arranged in a gearbox shell. The first row of gear rings and the gearbox shell are selectively and fixedly connected through the first brake. The second row of gear rings, the first connecting component and the gearbox shell are selectively and fixedly connected through the second brake. The third row of gear rings and the gearbox shell are selectively and fixedly connected through the third brake. The input shaft is connected with the first row of gear rings through the first clutch. The input shaft is connected with the first row of planetary carriers through the second clutch. The input shaft, the first row of sun wheels and the second connecting component are connected through the third clutch. According to the six-speed automatic gearbox transmission mechanism, six advancing speed ratios or transmission ratios and reverse gears can be achieved, the structure is compact, the size is small, mounting space is saved, the transmission ratio drive power achieves 0.8632, the efficiency of a gearbox is excellent, and the minimum efficiency value achieves 0.955.
Description
Technical field the invention belongs to system of vehicle transmission technical field, particularly to a kind of automatic transmission.
Background technology automatic transmission is one of main part in automotive transmission, is by changing gear ratio, changing
The torque of engine crankshaft, meets under the conditions of starting to walk, accelerate, travel and overcome the different traveling such as different kinds of roads obstruction to drive
Motor car wheel pull strength and the different demand requiring of speed.Although existing variator achieves its expected purpose, it is as automobile
Industrial expansion, new variator is put forward higher requirement to the performance of the aspects such as efficiency, response and ride comfort, and anxious
Size and the weight of conventional transmissions need to be reduced.
Content of the invention is it is an object of the invention to provide a kind of compact conformation, small volume, the optimization gear ratio of efficiency high
6 gear transmission drive mechanisms.
The present invention includes input shaft, output shaft, planetary gear set, interconnecting component, friction brake and friction clutch,
Above-mentioned component is each provided in transmission case body.Described input shaft respectively with the input side of the first friction clutch, second rub from
The input side of clutch, the input side of the 3rd friction clutch are fixedly connected, the outlet side and first of described first friction clutch
The gear ring of rows of planetary gear assembly is fixedly connected, the outlet side of described second friction clutch and the row of first row planetary gearsets
Carrier is fixedly connected, and the described outlet side of the 3rd friction clutch is interconnected with the sun gear of first row planetary gear set and second
Component is fixedly connected；The planet carrier interconnection of output shaft and the 3rd rows of planetary gear train；First interconnecting component is by the first rows of planetary tooth
The gear ring interconnection of the planet carrier of wheel assembly and second row planetary gear set, the second interconnecting component is by first row planetary gear set
Sun gear and second row planetary gear set sun gear interconnection, the 3rd interconnecting component is by the row of second row planetary gear set
The planet carrier interconnection of carrier and the 3rd rows of planetary gear assembly, the 4th interconnecting component is by the sun gear of second row planetary gear set
Sun gear interconnection with the 3rd rows of planetary gear assembly；
The gear ring of first row planetary gear set is optionally fixedly connected by the first brake with case of transmission, and second
The gear ring of second row planetary gear set and the first interconnecting component are optionally fixedly connected by brake with case of transmission, the
The gear ring of the 3rd rows of planetary gear assembly is optionally fixedly connected by three brakes with case of transmission；
The gear ring of input shaft and first row planetary gear set is optionally interconnected by the first friction clutch, the second friction
The planet carrier of input shaft and first row planetary gearsets is optionally interconnected by clutch, the 3rd friction clutch by input shaft with
The sun gear of first row planetary gear set and the second interconnecting component optionally interconnect.
The present invention compared with prior art has the advantage that
1st, through optimizing so that driving power limit performance rate reaches 0.8362, gear ratio distribution rationally, is driven gear ratio
It is maintained in 1-2 smaller range than step ratio；
2nd, compact conformation, small volume, contrast and its volume of patent cn102797809a reduce 1/3 substantially, save peace
Dress space；
3rd, the good efficiency of variator, minimum efficiency value reaches 0.955.
Brief description
Fig. 1 is each component arrangement and the connection diagram of the present invention.
In figure:
1- input shaft, 2- first interconnecting component, 3- second interconnecting component, 4- the 3rd interconnecting component, 5- the 4th interconnecting component,
6- first clutch, 7- second clutch, 8- the 3rd clutch, 9- first brake, 10- second brake, 11- the 3rd braking
Device, 12- output shaft, 13- case of transmission, 14- first row gear ring, 15- first row planetary gear, 16- first row planet carrier, 17-
First row sun gear, 18- second row gear ring, 19- second row planetary gear, 20- second row planet carrier, 21- secondary sun gear,
22- the 3rd toothrow circle, 23- the 3rd seniority among brothers and sisters star-wheel, 24- the 3rd seniority among brothers and sisters carrier, 25- the 3rd row's sun gear.
Specific embodiment
In the schematic diagram of 6 gear transmission drive mechanisms of optimization gear ratio shown in Fig. 1, input shaft 1 and first
The input side of friction clutch 6, the input side of the second friction clutch 7, the input side interconnection of the 3rd friction clutch 8, described
The outlet side of the first friction clutch is fixedly connected with the gear ring 14 of first row planetary gear set, described second friction clutch
Outlet side be fixedly connected with the planet carrier 16 of first row planetary gearsets, the outlet side and first of described 3rd friction clutch
The sun gear 17 of rows of planetary gear assembly is fixedly connected with the second interconnecting component 3.Output shaft 12 and the 3rd rows of planetary gear train
Planet carrier 24 interconnects.First interconnecting component 2 is by the tooth of the planet carrier of first row planetary gear set and second row star gear assembly
Circle 18 interconnection, the second interconnecting component is by the sun of the sun gear 17 of first row planetary gear set and second row planetary gear set
Wheel 21 interconnection, the 3rd interconnecting component 4 is by the row of the planet carrier 20 of second row planetary gear set and the 3rd rows of planetary gear assembly
Carrier interconnects, and the 4th interconnecting component 5 is by the sun of the sun gear of second row planetary gear set and the 3rd rows of planetary gear assembly
Wheel 25 interconnection.
The gear ring of first row planetary gear set is optionally fixedly connected by the first brake 9 with case of transmission 13,
The gear ring of second row planetary gear set and the first interconnecting component are optionally fixed by second brake 10 with case of transmission
Connect, the gear ring 22 of 11 the 3rd rows of planetary gear assemblies is optionally fixedly connected by the 3rd brake with case of transmission.
The gear ring of input shaft and first row planetary gear set is optionally interconnected by the first friction clutch, the second friction
The planet carrier of input shaft and first row planetary gearsets is optionally interconnected by clutch, the 3rd friction clutch by input shaft with
Optionally interconnect with the second interconnecting component on the sun gear of first row planetary gear set.
The planetary gear 15 of first row passes through to rotate ancillary equipment on the planet carrier of first row planetary set, the planetary gear of second row
19 pass through to rotate ancillary equipment on the planet carrier of second row planetary set, and the planetary gear 23 of the 3rd row passes through to rotate ancillary equipment the 3rd
On the planet carrier of rows of planetary group.
As shown in table 1, in the case of reversing, enable or combine the first friction clutch 6 and second brake 10.
In first gear, the 3rd friction clutch 8 and second brake 10 are activated or engage.
By disabling or separating second brake 10 and enable or engage the 3rd friction brake 11, maintain the 3rd to rub simultaneously
Wipe clutch 8 to enable or engage to realize two gears.
By disabling or separating the 3rd friction brake 11 and enable or engage the first friction brake 9, maintain the simultaneously
Three friction clutches 8 enable or engage to realize three gears.
By disabling or separating the first brake 9 and enable or engage the second friction clutch 7, maintain the 3rd friction simultaneously
Clutch 8 enables or engages to realize four gears.
By disabling or separating the 3rd friction clutch 8 and enable or engage the first brake 9, maintain the second friction simultaneously
Clutch 10 enables or engages to realize five gears.
By disabling or separating the first brake 9 and enable or engage the 3rd brake 11, maintain simultaneously second rub from
Clutch 7 enables or engages to realize six gears.
Table 1: each gear that the present invention is implemented and binding member meshing relation table.
Claims (1)
1. a kind of optimize gear ratio 6 gear transmission drive mechanisms, it include input shaft, output shaft, planetary gear set,
Interconnecting component, friction brake and friction clutch, above-mentioned component be each provided in transmission case body it is characterised in that: described defeated
Enter axle respectively with the input side of the first friction clutch, the input side of the second friction clutch, the 3rd friction clutch input
Side is fixedly connected, and the outlet side of described first friction clutch is fixedly connected with the gear ring of first row planetary gear set, described
The outlet side of the second friction clutch is fixedly connected with the planet carrier of first row planetary gearsets, described 3rd friction clutch
Outlet side is fixedly connected with the sun gear of first row planetary gear set and the second interconnecting component；Output shaft and the 3rd rows of planetary tooth
The planet carrier interconnection of wheel group；First interconnecting component is by the planet carrier of first row planetary gear set and second row planetary gear set
Gear ring interconnection, the second interconnecting component is by the sun of the sun gear of first row planetary gear set and second row planetary gear set
Wheel interconnection, the 3rd interconnecting component will be mutual with the planet carrier of the 3rd rows of planetary gear assembly for the planet carrier of second row planetary gear set
Even, the sun gear of the sun gear of second row planetary gear set and the 3rd rows of planetary gear assembly is interconnected by the 4th interconnecting component；
The gear ring of first row planetary gear set is optionally fixedly connected by the first brake with case of transmission, the second braking
The gear ring of second row planetary gear set and the first interconnecting component are optionally fixedly connected by device with case of transmission, the 3rd system
The gear ring of the 3rd rows of planetary gear assembly is optionally fixedly connected by dynamic device with case of transmission；
The gear ring of input shaft and first row planetary gear set is optionally interconnected by the first friction clutch, the second friction clutch
The planet carrier of input shaft and first row planetary gearsets is optionally interconnected by device, and the 3rd friction clutch is by input shaft and first
The sun gear of rows of planetary gear assembly and the second interconnecting component optionally interconnect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410826425.8A CN104633024B (en) | 2014-12-26 | 2014-12-26 | Six-speed automatic gearbox transmission mechanism for optimizing transmission ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410826425.8A CN104633024B (en) | 2014-12-26 | 2014-12-26 | Six-speed automatic gearbox transmission mechanism for optimizing transmission ratio |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104633024A CN104633024A (en) | 2015-05-20 |
| CN104633024B true CN104633024B (en) | 2017-02-01 |
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ID=53212110
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410826425.8A Expired - Fee Related CN104633024B (en) | 2014-12-26 | 2014-12-26 | Six-speed automatic gearbox transmission mechanism for optimizing transmission ratio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104633024B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043260B (en) * | 2020-01-03 | 2021-02-26 | 中国地质大学（武汉） | Six-gear transmission |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4070927A (en) * | 1976-06-04 | 1978-01-31 | General Motors Corporation | Planetary gearing arrangement for a transmission |
| DE10162878A1 (en) * | 2001-12-20 | 2003-07-24 | Zahnradfabrik Friedrichshafen | Multi-step automatic planetary reduction gearbox for a motor vehicle has drive and driven shafts, single-link planet sets, rotary shafts and gearshift devices. |
| US7238141B2 (en) * | 2005-09-07 | 2007-07-03 | Hyundai Motor Company | Seven-speed powertrain of an automatic transmission for a vehicle |
| TW201038420A (en) * | 2009-04-24 | 2010-11-01 | Univ Nat Sun Yat Sen | Six-speed automobile automatic transmission |
| WO2014154417A1 (en) * | 2013-03-27 | 2014-10-02 | Zf Friedrichshafen Ag | Transmission for a motor vehicle |
-
2014
- 2014-12-26 CN CN201410826425.8A patent/CN104633024B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4070927A (en) * | 1976-06-04 | 1978-01-31 | General Motors Corporation | Planetary gearing arrangement for a transmission |
| DE10162878A1 (en) * | 2001-12-20 | 2003-07-24 | Zahnradfabrik Friedrichshafen | Multi-step automatic planetary reduction gearbox for a motor vehicle has drive and driven shafts, single-link planet sets, rotary shafts and gearshift devices. |
| US7238141B2 (en) * | 2005-09-07 | 2007-07-03 | Hyundai Motor Company | Seven-speed powertrain of an automatic transmission for a vehicle |
| TW201038420A (en) * | 2009-04-24 | 2010-11-01 | Univ Nat Sun Yat Sen | Six-speed automobile automatic transmission |
| WO2014154417A1 (en) * | 2013-03-27 | 2014-10-02 | Zf Friedrichshafen Ag | Transmission for a motor vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104633024A (en) | 2015-05-20 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 |