CN205383229U - Novel nine -gear automatic gearbox drive mechanism - Google Patents
Novel nine -gear automatic gearbox drive mechanism Download PDFInfo
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- CN205383229U CN205383229U CN201620223706.9U CN201620223706U CN205383229U CN 205383229 U CN205383229 U CN 205383229U CN 201620223706 U CN201620223706 U CN 201620223706U CN 205383229 U CN205383229 U CN 205383229U
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Abstract
The utility model discloses a nine -gear automatic gearbox driving medium mechanism, including transmission system and decision transmission system's the power transmitting route and the execution systems of velocity ratio, transmission system includes three planet row, wherein, first planet is arranged and second planet row component improved generation la weina mechanism to it increases third planet row to arrange the front end at the second planet, and through connecting modified la weina mechanism and third planet row, cooperation execution systems forms nine -gear automatic gearbox drive mechanism, makes the vehicle go with more economic rotational speed in broader speed of a motor vehicle district, guarantees engine maximum output performance. Compact structure saves space, adopts three series -parallel connection planet row, and component count is few, and simple structure makes, assembly costs is low, and this patent two degrees of freedom only, during derailleur transmission gear, only needs two execute component, and energy consumption is few, and is efficient.
Description
Technical field
This utility model relates to the gear-shift mechanism drive mechanism of a kind of vehicle speed variation gearshift, particularly relates to a kind of novel nine gear automatic speed variator drive mechanisms, belongs to automobile technical field.
Background technology
Electrichydraulic control automatic transmission (AT) is to be transmitted moment of torsion and rotating speed by planetary gears, and Planetary Gear Transmission is a kind of often engaged transmission, is generally of two degree of freedom, can carry out synthesis and the decomposition moved, it is easy to realize fluid drive.The advantages such as overall structure is little, and transmission efficiency is high, technology maturation.
Having a grade transmission owing to this structure belongs to, comfortableness and fuel economy are not as good as buncher (CVT), and structure is complicated, and cost is high, and processing technique requires height.
In order to improve the dynamic property of automobile, reduce oil consumption and change discharge, simultaneously along with automobile high-speed, smooth gear shifting, smooth ride to be made, be desirable that the scope increasing vehicle transmission ratio, reducing gear ratio gap, it is technical development trend that electrichydraulic control automatic transmission (AT) increases gear number.
Electrichydraulic control automatic transmission on the market (AT) entrucking situation at present: multiplex 3-4 the forward speed transmission of vehicle miniature, economical；Multiplex 4-6 the forward speed transmission of middle-and-high-ranking type vehicle；Multiplex 7-8 the forward speed transmission of indivedual advanced vehicle,
Recently Cai Aifu company of Germany newly developed go out 9 gear transmissions, its core drive mechanism is that (front two planet rows two planet rows in parallel, rear are in parallel in 4 groups of planetary gear series-parallel connections, middle two, three stringing connection) and 6 shifting elements form, it is achieved that 9 forward gears (including 4 overgears) and 1 are reversed gear.
In automatic gearbox planetary gear mechanism:
In current many gears planetary gear automatic transmission drive mechanism patent application, mainly there is the planetary gear mechanism of following several form.
(1) become by China Northern Motor Vehicle Research Ins. Wang Ming;Shi Yanhui;Feng Guangjun;Jiang Hongxuan;Neat spring rain;Xu Fei;Li Cuifen;Han Yushi;Li Zhiwei;Liu Yue;Liu Baoduo;Li Jiyuan;Clothing surpasses;Wang Jingxia;Wang Yingnan;Jia Shuan et al. applies for a patent: a kind of nine-gear planetary automatic transmission (CN101852278A), this invention proposes the nine-gear planetary automatic transmission of a kind of driver for vehicle.This variator includes planet row, is arranged on input link and output link that two ends are connected respectively, driving member, brake and clutch with power shaft, output shaft, described planet row have four, driving member have five, brake have four, clutch have two.Compared with prior art, the automatic transmission of the present invention adopts the scheme of four planet rows, four brakes and two clutches, adds a drive shift, it is achieved nine drive shifts, decreases a brake.Decreasing weight and the cost of change speed gear box, particularly four planet rows are single simple planet row of star, and with the two planet row gear parameters that k value is identical, reduce the kind of gear further, obtain overall performance preferably ratio characteristic simultaneously.
(2) by GM Global Technology Operation's A W Karen Phillips;C E Kerry et al. is applied for a patent: eight grades, nine grades and ten gear automatic speed variators (CN101886688A), construction features: the nine-gear planetary automatic transmission of a kind of driver for vehicle.This variator includes planet row, is arranged on input link and output link that two ends are connected respectively, driving member, brake and clutch with power shaft, output shaft, described planet row have four, driving member have five, brake have four, clutch have two.Compared with prior art, the automatic transmission of the present invention adopts the scheme of four planet rows, four brakes and two clutches, adds a drive shift, it is achieved nine drive shifts, decreases a brake.Decreasing weight and the cost of change speed gear box, particularly four planet rows are single simple planet row of star, and with the two planet row gear parameters that k value is identical, reduce the kind of gear further, obtain overall performance preferably ratio characteristic simultaneously.
(3) by Hyundai Motor Corporation;Kyia Motors Co., Ltd. Xu Gang longevity;Huang Shengxu et al. applies for a patent: for the drive mechanism (CN102261437A) of the automatic transmission of vehicle.Construction features: the drive mechanism of a kind of automatic transmission for vehicle, it achieves at least ten drive shift speed and a reverse speed by four groups of single planetary gear groups and four clutches and two brakes being combined, three friction elements are operated under each gear speed, thus described drive mechanism has the following advantages, which simplify the structure of automatic transmission, improve power transmission performance and fuel economy.
Utility model content
The drawback that this utility model is complicated for conventional gears mechanism structure, efficiency is low, cost is high, a single-stage planetary gear train is connected by a modified model Ravigneaux planetary mechanism, and in conjunction with seven executive components of execution system, achieve the conversion of nine forward gears and two reverse gears, enable the vehicle to travel with more economical rotating speed in broader speed district, it is ensured that the most high output performance of electromotor.For reaching above-mentioned purpose, the technical solution of the utility model is:
There is provided a kind of novel nine gear automatic speed variator drive mechanisms, including the execution system of drive system with the power transmission line with speed ratio that determine drive system；Described drive system includes three planet rows；Wherein, first planet row and the second planet row composition modified model Ravigneaux mechanism, long planet gear in Ravigneaux mechanism is changed into a duplicate gear, the number of teeth of two-wheeled is different, increase a little gear ring simultaneously, the big crop rotation internal messing of the little crop rotation internal messing of little gear ring and duplicate gear, bull gear and duplicate gear；And third planet row is increased in the second planet row front end, arranged by the Ravigneaux mechanism of Innovation of Connection and third planet and form nine gear automatic speed variator drive mechanisms.The power shaft of described drive mechanism, planetary gears, output shaft belong to coaxial on Standard, and radial dimension is little, and whole mechanism has two degree of freedom.
The modified model Ravigneaux mechanism of described first planet row and the second planet row composition includes: the first sun gear, the second sun gear, duplicate gear, short planetary gear, common planet carrier, the first gear ring and the second gear ring, wherein the first gear ring is bull gear, and the second gear ring is little gear ring；Described first sun gear and the second sun gear are belonging respectively to first planet row and the second planet row；Described duplicate gear and short planetary gear common planet carrier；The first sun gear external toothing of the bull wheel of described duplicate gear and first planet row and the first gear ring internal messing, the steamboat of duplicate gear and the short planetary gear external toothing of the second planet row and the second gear ring internal messing；Described short planetary gear also with the second sun gear external toothing of the second planet row.
The 3rd sun gear, the third line star-wheel, the third line carrier and the 3rd gear ring are drawn together in described third planet package；Described the third line star-wheel and the 3rd sun gear external toothing, with the 3rd gear ring internal messing.The speed discrepancy arranged by third planet increases the selection of modified model Ravigneaux mechanism power shaft rotating speed, increases output gear range with this.
Described first planet row and third planet row are single-stage planetary mechanism, and the second planet row is double-pinion planetary mechanism.
Described execution system includes seven executive components, respectively the first brake, second brake, the 3rd brake, first clutch, second clutch, the 3rd clutch and the 4th clutch；Described first clutch connects the second gear ring and the 3rd gear ring；Described second clutch connects the first sun gear and power shaft；Described 3rd clutch connects the second sun gear and the third line carrier；Described 4th clutch connects the first sun gear and the third line carrier；Described first brake connects the second gear ring and case of transmission；Described second brake connects common planet carrier and case of transmission；Described 3rd brake connects the first sun gear and case of transmission.
Described 3rd gear ring is for often to engage power shaft, and described 3rd sun gear is fixture, and described the third line carrier is low speed output, and described first gear ring is output shaft.
It addition, the planet carrier of modified model Ravigneaux mechanism also can be exported with torque-converters at night and is connected by a clutch by the novel nine gear automatic speed variator drive mechanisms that this patent provides, it is possible to extend ten grades or 11 grades of drive mechanisms.
The beneficial effects of the utility model are: connect a single-stage planetary gear train by a modified model Ravigneaux planetary mechanism, and in conjunction with seven executive components of execution system, achieve the conversion of nine forward gears and two reverse gears, enable the vehicle to travel with more economical rotating speed in broader speed district, it is ensured that the most high output performance of electromotor.Compact conformation, saves space, and compared with existing nine gear gearboxes, existing nine gear gearboxes adopt four planet row Hybrid connections, and this patent is only with three planet row hybrid mechanisms.Adopting three series-parallel connection planet rows, number of elements is few, simple in construction, manufacture, assembly cost low, and this patent only has two degree of freedom, during variator gear, only needs two executive components, consuming little energy, and efficiency is high.
Accompanying drawing explanation
Fig. 1 is the novel nine gear automatic speed variator drive mechanism schematic diagrams of this patent.
Fig. 2 is the novel nine gear automatic speed variator drive mechanism executive component state tables of this patent.
Detailed description of the invention
Below in conjunction with detailed description of the invention, this utility model is further described.Wherein, being merely cited for property of accompanying drawing illustrates, expression is only schematic diagram, but not pictorial diagram, it is impossible to it is interpreted as the restriction to this patent；In order to of the present utility model embodiment is better described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product；It will be understood by those skilled in the art that some known features and explanation thereof are likely to omission and will be understood by accompanying drawing.
As it is shown in figure 1, this patent provides a kind of novel nine gear automatic speed variator drive mechanisms, including the execution system of drive system with the power transmission line with speed ratio that determine drive system；Described drive system includes three planet rows；Wherein, first planet row X1 and the second planet row X2 forms modified model Ravigneaux mechanism, long planet gear in Ravigneaux mechanism is changed into a duplicate gear, the number of teeth of two-wheeled is different, increase a little gear ring simultaneously, the big crop rotation internal messing of the little crop rotation internal messing of little gear ring and duplicate gear, bull gear and duplicate gear；And third planet row X3 is increased in the second planet row X2 front end, arrange X3 by the Ravigneaux mechanism of Innovation of Connection and third planet and form nine gear automatic speed variator drive mechanisms.The power shaft of described drive mechanism, planetary gears, output shaft belong to coaxial on Standard, and radial dimension is little, and whole mechanism has two degree of freedom.
The modified model Ravigneaux mechanism of described first planet row's X1 and the second planet row X2 composition includes: the first sun gear S1, the second sun gear S2, duplicate gear P1A-P1B, short planetary gear P2, common planet carrier H1, the first gear ring R1 and the second gear ring R2, wherein the first gear ring R1 is bull gear, and the second gear ring R2 is little gear ring；Described first sun gear S1 and the second sun gear S2 is belonging respectively to first planet row X1 and the second planet row X2；Described duplicate gear P1A-P1B and short planetary gear P2 common planet carrier H1；The first sun gear S1 external toothing of the bull wheel P1A of described duplicate gear P1A-P1B and first planet row and the first gear ring R1 internal messing, the steamboat P1B of duplicate gear P1A-P1B and the short planetary gear P2 external toothing of the second planet row and the second gear ring R2 internal messing；Described short planetary gear P2 also with the second sun gear S2 external toothing of the second planet row.
Described third planet row X3 includes the 3rd sun gear S3, the third line star-wheel P3, the third line carrier H3 and the three gear ring R3；Described the third line star-wheel P3 and the three sun gear S3 external toothing, with the 3rd gear ring R3 internal messing.Arrange the speed discrepancy of X3 by third planet and increase the selection of modified model Ravigneaux mechanism power shaft rotating speed, increase output gear range with this.
Described first planet row X1 and third planet row X3 is single-stage planetary mechanism, and the second planet row X2 is double-pinion planetary mechanism.
Described execution system includes seven executive components, respectively the first brake B1, second brake B2, the 3rd brake B3, first clutch C1, second clutch C2, the 3rd clutch C3 and the four clutch C4；Described first clutch C1 connects the second gear ring R2 and the three gear ring R3；Described second clutch C2 connects the first sun gear S1 and power shaft；Described 3rd clutch C3 connects the second sun gear S2 and the third line carrier H3；Described 4th clutch C4 connects the first sun gear S1 and the third line carrier H3；Described first brake B1 connects the second gear ring R2 and case of transmission；Described second brake B2 connects common planet carrier H1 and case of transmission；Described 3rd brake B3 connects the first sun gear S1 and case of transmission.
Described 3rd gear ring R3 is for often to engage power shaft, and described 3rd sun gear S3 is fixture, and described the third line carrier H3 is low speed output, and described first gear ring R1 is output shaft.
In Fig. 1,1 axle is power shaft, and 2 axles are output shaft, beats oblique line place and represents case of transmission.
Shown in executive component state table as shown in Figure 2, wherein, D represents forward, and R represents reverse gear, beats "○" and represents that executive component is in engagement state.It is as follows that executive component during each transforming gear of this utility model engages situation:
D1 shelves: when the 3rd clutch C3 engages, namely the second sun gear S2 is connected with the third line carrier H3, now, the first brake B1 engages, and brakes the second gear ring R2, it is achieved the first forward D1.
D2 shelves: when the 3rd clutch C3 engages, namely the second sun gear S2 is connected with the third line carrier H3, now, second brake B2 engages, and brakes duplicate gear P1A-P1B and short planetary gear P2, it is achieved the second forward D2.
D3 shelves: when the 3rd clutch C3 engages, namely the second sun gear S2 is connected with the third line carrier H3, now, the 3rd brake B3 engages, and brakes the first sun gear S1, it is achieved the 3rd forward D3.
D4 shelves: when the 3rd clutch C3, the 4th clutch C4 engage, namely the second sun gear S2, the first sun gear S1 are connected with the third line carrier H3 respectively, it is achieved the 4th forward D4.
D5 shelves: when second clutch C2, the 3rd clutch C3 engage, namely the planet carrier H3 of the first sun gear S1, the second sun gear S2 and the third line star-wheel P3 is simultaneously as input, it is achieved the 5th forward D5.
D6 shelves: when first clutch C1, the 3rd clutch C3 engage, namely the second gear ring R2 is connected with power shaft, and the second sun gear S2 is connected with the third line carrier H3, it is achieved the 6th forward D6.
D7 shelves: when first clutch C1, second clutch C2 engage, namely the second gear ring R2 and the first sun gear S1 is connected with power shaft respectively, it is achieved the 7th forward D7.
D8 shelves: when first clutch C1, the 4th clutch C4 engage, namely the second gear ring R2 is connected with power shaft, and the first sun gear S1 is connected with the third line carrier H3, it is achieved the 8th forward D8.
D9 shelves: when second clutch C2 engages, namely the second gear ring R2 is connected with power shaft, now, the 3rd brake B3 engages, and brakes the first sun gear S1, it is achieved the 9th forward D9.
R1 shelves: when second clutch C2 engages, namely the first sun gear S1 is connected with power shaft, now, the first brake B1 engages, and brakes the second gear ring R2, it is achieved the first reverse gear R1.
R2 shelves: when second clutch C4 engages, namely the first sun gear S1 is connected with the third line carrier H3, now, the first brake B1 engages, and brakes the second gear ring R2, it is achieved the second reverse gear R2.
Obviously, above-described embodiment of the present utility model is only for clearly demonstrating this utility model example, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.All any amendment, equivalent replacement and improvement etc. made within spirit of the present utility model and principle, should be included within this utility model scope of the claims.
Claims (7)
1. novel nine gear automatic speed variator drive mechanisms, it is characterised in that include drive system and determine the power transmission line of drive system and the execution system of speed ratio；Described drive system includes three planet rows；Wherein, first planet row (X1) and the second planet row (X2) form modified model Ravigneaux mechanism, long planet gear in Ravigneaux mechanism is changed into a duplicate gear, the number of teeth of two-wheeled is different, increase a little gear ring simultaneously, the big crop rotation internal messing of the little crop rotation internal messing of little gear ring and duplicate gear, bull gear and duplicate gear；And third planet row (X3) is increased in the second planet row (X2) front end, arrange (X3) by the Ravigneaux mechanism of Innovation of Connection and third planet and form nine gear automatic speed variator drive mechanisms.
2. novel nine gear automatic speed variator drive mechanisms according to claim 1, it is characterized in that, the modified model Ravigneaux mechanism that described first planet row (X1) and the second planet row (X2) form includes: the first sun gear (S1), the second sun gear (S2), duplicate gear (P1A-P1B), short planetary gear (P2), common planet carrier (H1), the first gear ring (R1) and the second gear ring (R2), wherein the first gear ring (R1) is bull gear, and the second gear ring (R2) is little gear ring；Described first sun gear (S1) and the second sun gear (S2) are belonging respectively to first planet row (X1) and the second planet row (X2)；Described duplicate gear (P1A-P1B) and short planetary gear (P2) common planet carrier (H1)；First sun gear (S1) external toothing of the bull wheel (P1A) of described duplicate gear (P1A-P1B) and first planet row and the first gear ring (R1) internal messing, the steamboat (P1B) of duplicate gear (P1A-P1B) and short planetary gear (P2) external toothing of the second planet row and the second gear ring (R2) internal messing；Described short planetary gear (P2) also with the second sun gear (S2) external toothing of the second planet row.
3. novel nine gear automatic speed variator drive mechanisms according to claim 2, it is characterised in that described third planet row (X3) includes the 3rd sun gear (S3), the third line star-wheel (P3), the third line carrier (H3) and the 3rd gear ring (R3)；Described the third line star-wheel (P3) and the 3rd sun gear (S3) external toothing, with the 3rd gear ring (R3) internal messing.
4. novel nine gear automatic speed variator drive mechanisms according to claim 3, it is characterised in that described first planet row (X1) and third planet row (X3) are single-stage planetary mechanism, and the second planet row (X2) is double-pinion planetary mechanism.
5. novel nine gear automatic speed variator drive mechanisms according to claim 3, it is characterised in that described execution system includes seven executive components.
6. novel nine gear automatic speed variator drive mechanisms according to claim 5, it is characterized in that, respectively the first brake (B1) of described seven executive components, second brake (B2), the 3rd brake (B3), first clutch (C1), second clutch (C2), the 3rd clutch (C3) and the 4th clutch (C4)；Described first clutch (C1) connects the second gear ring (R2) and the 3rd gear ring (R3)；Described second clutch (C2) connects the first sun gear (S1) and power shaft；Described 3rd clutch (C3) connects the second sun gear (S2) and the third line carrier (H3)；Described 4th clutch (C4) connects the first sun gear (S1) and the third line carrier (H3)；Described first brake (B1) connects the second gear ring (R2) and case of transmission；Described second brake (B2) connects common planet carrier (H1) and case of transmission；Described 3rd brake (B3) connects the first sun gear (S1) and case of transmission.
7. novel nine gear automatic speed variator drive mechanisms according to claim 6, it is characterized in that, described 3rd gear ring (R3) is for often to engage power shaft, and described 3rd sun gear (S3) is fixture, described the third line carrier (H3) exports for low speed, and described first gear ring (R1) is output shaft.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620223706.9U CN205383229U (en) | 2016-03-21 | 2016-03-21 | Novel nine -gear automatic gearbox drive mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620223706.9U CN205383229U (en) | 2016-03-21 | 2016-03-21 | Novel nine -gear automatic gearbox drive mechanism |
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| CN205383229U true CN205383229U (en) | 2016-07-13 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916326A (en) * | 2018-07-05 | 2018-11-30 | 柳州职业技术学院 | The new 8 speed automobile automatic transmission of one kind and its power transmission scheme |
| WO2019020131A1 (en) * | 2017-07-25 | 2019-01-31 | 罗灿 | Variable linear speed planetary row transmission mechanism |
| WO2019085880A1 (en) * | 2017-10-31 | 2019-05-09 | 罗灿 | Star connection multi-row braking transmission |
| CN110822034A (en) * | 2018-08-10 | 2020-02-21 | 广州汽车集团股份有限公司 | Nine-gear automatic transmission |
| CN112324873A (en) * | 2020-11-27 | 2021-02-05 | 东华大学 | Multi-gear transmission of passenger car |
| CN113500908A (en) * | 2021-07-22 | 2021-10-15 | 中国北方车辆研究所 | Series-parallel connection formula oil electricity hybrid drive device suitable for commercial car |
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2016
- 2016-03-21 CN CN201620223706.9U patent/CN205383229U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019020131A1 (en) * | 2017-07-25 | 2019-01-31 | 罗灿 | Variable linear speed planetary row transmission mechanism |
| WO2019085880A1 (en) * | 2017-10-31 | 2019-05-09 | 罗灿 | Star connection multi-row braking transmission |
| CN109874317A (en) * | 2017-10-31 | 2019-06-11 | 罗灿 | Star connects multiple rows of braking speed changer |
| CN109874317B (en) * | 2017-10-31 | 2021-10-15 | 罗灿 | Star-connection multi-row brake transmission |
| CN108916326A (en) * | 2018-07-05 | 2018-11-30 | 柳州职业技术学院 | The new 8 speed automobile automatic transmission of one kind and its power transmission scheme |
| CN110822034A (en) * | 2018-08-10 | 2020-02-21 | 广州汽车集团股份有限公司 | Nine-gear automatic transmission |
| CN112324873A (en) * | 2020-11-27 | 2021-02-05 | 东华大学 | Multi-gear transmission of passenger car |
| CN113500908A (en) * | 2021-07-22 | 2021-10-15 | 中国北方车辆研究所 | Series-parallel connection formula oil electricity hybrid drive device suitable for commercial car |
| CN113500908B (en) * | 2021-07-22 | 2022-07-26 | 中国北方车辆研究所 | Series-parallel connection formula oil electricity hybrid drive device suitable for commercial car |
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Granted publication date: 20160713 Termination date: 20190321 |