CN104074931A - Multi-clutch transmission drive unit - Google Patents
Multi-clutch transmission drive unit Download PDFInfo
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- CN104074931A CN104074931A CN201410321049.7A CN201410321049A CN104074931A CN 104074931 A CN104074931 A CN 104074931A CN 201410321049 A CN201410321049 A CN 201410321049A CN 104074931 A CN104074931 A CN 104074931A
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- clutch transmission
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- gear
- transmission
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- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
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- 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
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/085—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with more than one output shaft
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- 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
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
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- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2041—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with four engaging means
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- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2043—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with five engaging means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention provides a multi-clutch transmission drive unit. The multi-clutch transmission drive unit comprises a first double-clutch transmission and a second double-clutch transmission, wherein the output shaft of the first double-clutch transmission is connected with the shell of the second double-clutch transmission. According to the multi-clutch transmission drive unit provided by the invention, a multi-stage clutch structure in one transmission is replaced by the two double-clutch transmissions, and the multi-clutch transmission drive unit is simple in structure and high in reliability while realizing speed ratio range expansion.
Description
Technical field
The present invention relates to automotive transmission field.
Background technique
Dual-clutch transmission has two groups of coaxial nested or clutches of being arranged in parallel, coaxially, two of inside and outside nested arrangement input shafts, one, two or three countershafts that are arranged in parallel and an output shaft, or countershaft, simultaneously as output shaft, is arranged in the multiple synchronizers on countershaft, multiple selector fork.Speed changer is strange, even number gear driving gear is arranged on two input shafts, by switching and the action of different synchronizer of two clutches, realizes torque conversion and output via different countershafts.
Dual-clutch transmission technology comparative maturity, dual-clutch transmission is mainly used in commercial car, the problem that existing dual-clutch transmission exists is that gear number is few, ratio coverage interval is large, transmitting torque is limited, can not be applicable to commercial car loading mass large, service condition complexity ensures the requirement of power character, Economy, acceleration and travelling comfort that heavy-duty car is good simultaneously.
In order to widen ratio coverage, solution is to adopt multi-clutch speed changer, for example, at notice of authorization number: CN102102738B, notice of authorization day: 2013.05.22, denomination of invention: the Chinese invention patent of " many clutch speed changers " and at application number: 201310153205.9, the applying date: 2013.04.28, denomination of invention: disclosed in the Chinese invention patent application of " multi-clutch speed changer ".But what multi-clutch speed changer of the prior art adopted is all that the mode that multistage clutch (or friction pair) is set in a speed changer realizes widening of ratio coverage.Clutch rank is more, and ratio coverage is wider, but correspondingly the internal structure of multi-clutch speed changer is also more complicated, and control strategy is more loaded down with trivial details, and outside must between centers coordinate rearrange, strengthened multi-clutch speed changer space arrange difficulty.
Summary of the invention
The object of the invention is to overcome the problem of multi-clutch speed changer internal structure complexity, widen ratio coverage with more simple structure.
For achieving the above object, embodiments of the invention provide following technological scheme:
A kind of multi-clutch transmission, comprises the first dual-clutch transmission and the second dual-clutch transmission, and the output shaft of described the first dual-clutch transmission is connected with the housing of described the second dual-clutch transmission.
Preferably, described the first dual-clutch transmission and described the second dual-clutch transmission have separately two clutches, are connected with two described clutches and inside and outside nested interior input shaft and outer input shaft, countershaft and output shaft respectively, each gear driving gear on described interior input shaft and described outer input shaft coordinates with the each gear driven gear on described countershaft, and the driving gear on described countershaft often engages with the driven gear on described output shaft.
Preferably, described the first dual-clutch transmission and described the second dual-clutch transmission have separately two clutches, are connected with two described clutches and inside and outside nested interior input shaft and outer input shaft, countershaft respectively, each gear driving gear on described interior input shaft and described outer input shaft coordinates with the each gear driven gear on described countershaft, and the countershaft of described the first dual-clutch transmission is simultaneously as output shaft.
Preferably, above-mentioned multi-clutch transmission also comprises synchronizer, and described synchronizer is optionally with each gear driving gear or respectively keep off driven gear and engage.
Preferably, described the first dual-clutch transmission is provided with and reverses gear, and described the second dual-clutch transmission is not established and reversed gear.
The present invention adopts two dual-clutch transmissions to realize the function of multi-clutch speed changer, the output shaft of one of them dual-clutch transmission is connected with the housing of the second dual-clutch transmission, like this, for each gear of the first dual-clutch transmission, all can again carry out multiple gear ratios shift transformation through the second dual-clutch transmission, that is to say to be finally the product of the gear quantity of two dual-clutch transmissions through the speed ratio number of the second dual-clutch transmission output, greatly widen ratio coverage, and in each dual-clutch transmission, all only has two-stage clutch, internal structure is simple, and do not need axle system to arrange again, save R&D costs.
Further, the present invention adopts the independently arrangement of countershaft, output shaft can ensure two conllinear between dual-clutch transmission, is convenient to space and arranges.
Further, in the first dual-clutch transmission, establishing reverses gear and do not establish in the second dual-clutch transmission reverses gear, and has avoided complicated control strategy and structure is simplified more.
Brief description of the drawings
Next in connection with accompanying drawing, specific embodiments of the invention are described in further detail, wherein:
Fig. 1 is the structural representation of the multi-clutch speed changer of the first embodiment of the present invention;
Fig. 2 is the structural representation of the multi-clutch speed changer of the second embodiment of the present invention.
Description of symbols in upper figure: 1, input shaft 2 in the first dual-clutch transmission, the outer input shaft 3 of the first dual-clutch transmission, the first dual-clutch transmission countershaft 1, the first dual-clutch transmission countershaft 25, the first dual-clutch transmission output shaft 11, the first dual-clutch transmission one keeps off driving gear 13, the first dual-clutch transmission three keeps off driving gear (the first dual-clutch transmission five keeps off driving gear) 22, the first dual-clutch transmission two keeps off driving gear (driving gear reverses gear) 24, the first dual-clutch transmission four keeps off driving gear (the first dual-clutch transmission six keeps off driving gear) 31, the first dual-clutch transmission one keeps off driven gear 42, the first dual-clutch transmission two keeps off driven gear (idle pulley reverses gear) 33, the first dual-clutch transmission three keeps off driven gear 34, the first dual-clutch transmission four keeps off driven gear 45, the first dual-clutch transmission five keeps off driven gear 46, the first dual-clutch transmission six keeps off driven gear 39, driven gear 30 reverses gear, the first dual-clutch transmission countershaft one constant mesh gear 40, the first dual-clutch transmission countershaft two constant mesh gears 50, the first dual-clutch transmission output shaft constant mesh gear 01, input shaft 02 in the second dual-clutch transmission, the outer input shaft 03 of the second dual-clutch transmission, the second dual-clutch transmission countershaft 1, the second dual-clutch transmission countershaft 2 05, the second dual-clutch transmission output shaft 011, the second dual-clutch transmission one keeps off driving gear 013, the second dual-clutch transmission three keeps off driving gear (the second dual-clutch transmission five keeps off driving gear) 022, the second dual-clutch transmission two keeps off driving gear 024, the second dual-clutch transmission four keeps off driving gear (the second dual-clutch transmission six keeps off driving gear) 031, the second dual-clutch transmission one keeps off driven gear 042, the second dual-clutch transmission two keeps off driven gear 033, the second dual-clutch transmission three keeps off driven gear 034, the second dual-clutch transmission four keeps off driven gear 045, the second dual-clutch transmission five keeps off driven gear 046, the second dual-clutch transmission six keeps off driven gear 030, the second dual-clutch transmission countershaft one constant mesh gear 040, the second dual-clutch transmission countershaft two constant mesh gears 050, the second dual-clutch transmission output shaft constant mesh gear SC1, first dual-clutch transmission the first synchronizer SC2, first dual-clutch transmission the second synchronizer SC3, the first dual-clutch transmission the 3rd synchronizer SC4, the first dual-clutch transmission the 4th synchronizer SC01, second dual-clutch transmission the first synchronizer SC02, second dual-clutch transmission the second synchronizer SC03, the second dual-clutch transmission the 3rd synchronizer SC04, the second dual-clutch transmission the 4th synchronizer C1, the first dual-clutch transmission first clutch C2, the first dual-clutch transmission second clutch C01, the second dual-clutch transmission first clutch C02, the second dual-clutch transmission second clutch.
Embodiment
With reference to figure 1, multi-clutch transmission of the present invention has adopted two dual-clutch transmissions: the first dual-clutch transmission and the second dual-clutch transmission.
The first dual-clutch transmission first clutch C1 and the first dual-clutch transmission second clutch C2 are that coaxial, inside and outside nesting type structure is arranged, the second dual-clutch transmission first clutch C01 and the second dual-clutch transmission second clutch C02 are that coaxial, inside and outside nesting type structure is arranged.
In the first dual-clutch transmission, the inside and outside nesting type structure of the outer input shaft 2 of input shaft 1 and the first dual-clutch transmission is arranged, in the first dual-clutch transmission countershaft 1 and the first dual-clutch transmission countershaft 24 and the first dual-clutch transmission, the outer input shaft 2 of input shaft 1 and the first dual-clutch transmission is arranged in parallel; In the second dual-clutch transmission, the inside and outside nesting type structure of the outer input shaft 02 of input shaft 01 and the second dual-clutch transmission is arranged, in the second dual-clutch transmission countershaft 1 and the second dual-clutch transmission countershaft 2 04 and the second dual-clutch transmission, the outer input shaft 02 of input shaft 01 and the second dual-clutch transmission is arranged in parallel.
In the first dual-clutch transmission, the first dual-clutch transmission first clutch C1 is connected with input shaft 1 in the first dual-clutch transmission, the first dual-clutch transmission second clutch C2 is connected with the outer input shaft 2 of the first dual-clutch transmission, by the open and close controlling of the first dual-clutch transmission first clutch C1 and the first dual-clutch transmission second clutch C2, can selectively motor (not showing in Fig. 1) moment of torsion be delivered to input shaft 1 and the outer input shaft 2 of the first dual-clutch transmission in the first dual-clutch transmission.In the first dual-clutch transmission, on input shaft 1, (being right for a left side, away from motor one side near motor one side) arranging that the first dual-clutch transmission three keeps off driving gear 13 successively from left to right, the first dual-clutch transmission one keeps off driving gear 11, wherein, the first dual-clutch transmission three keep off driving gear 13 be also used as simultaneously the first dual-clutch transmission five keep off driving gear use; On the outer input shaft 2 of the first dual-clutch transmission, arranging successively that from left to right the first dual-clutch transmission two keeps off driving gear 22 and the first dual-clutch transmission four keeps off driving gear 24, wherein, the first dual-clutch transmission four keep off driving gear be also used as simultaneously the first dual-clutch transmission six keep off driving gear use, the first dual-clutch transmission two keep off driving gear be used as simultaneously the first dual-clutch transmission reverse gear driving gear use.Like this, from input shaft 1 in the first dual-clutch transmission, on the outer input shaft 2 of the first dual-clutch transmission, see, odd number gear is disposed on the interior input shaft 1 of the first dual-clutch transmission, even number gear is disposed on the outer input shaft 2 of the first dual-clutch transmission, (Fig. 1 shows from left to right, be left near motor one side, be right away from motor one side), arrangement of gears order is followed successively by: the first dual-clutch transmission two (falling) gear driving gear 22, the first dual-clutch transmission four (six) gear driving gears 24, the first dual-clutch transmission three (five) gear driving gears 13, the first dual-clutch transmission one keeps off driving gear 11.In the first dual-clutch transmission countershaft 1, first dual-clutch transmission countershaft the 24, first dual-clutch transmission output shaft 5 and the first dual-clutch transmission, outside input shaft 1, the first dual-clutch transmission, input shaft 2 is parallel or coaxially arranged.
Like this, optionally be connected to the first dual-clutch transmission one, two, three, four, five, six or reverse gear on driving and driven gear by first dual-clutch transmission the first synchronizer SC1, first dual-clutch transmission the second synchronizer SC2, the first dual-clutch transmission the 3rd synchronizer SC3 and the first dual-clutch transmission the 4th synchronizer SC4, just can realize transmission of power to the first dual-clutch transmission output shaft 5.The first dual-clutch transmission output shaft 5 low order ends (away from starting pusher side) connect the housing of the second dual-clutch transmission, be connected in other words the driving disc of the second dual-clutch transmission, the second dual-clutch transmission is provided with the second dual-clutch transmission first clutch C01, the second dual-clutch transmission second clutch C02, they connect respectively input shaft 01 in the second dual-clutch transmission, the outer input shaft 02 of the second dual-clutch transmission, the power of the first dual-clutch transmission output shaft 5 is passed through to the second dual-clutch transmission first clutch C01, the second dual-clutch transmission second clutch C02 is delivered to the second dual-clutch transmission.
In the second dual-clutch transmission, the second dual-clutch transmission first clutch C01 is connected with input shaft 01 in the second dual-clutch transmission, the second dual-clutch transmission second clutch C02 is connected with the outer input shaft 02 of the second dual-clutch transmission, by the open and close controlling of the second dual-clutch transmission first clutch C01 and the second dual-clutch transmission second clutch C02, can selectively the first dual-clutch transmission moment of torsion be delivered to input shaft 01 and the outer input shaft 02 of the second dual-clutch transmission in the second dual-clutch transmission.In the second dual-clutch transmission, on input shaft 01, (being right for a left side, away from motor one side near motor one side) arranging that the second dual-clutch transmission three keeps off driving gear 013 successively from left to right, the second dual-clutch transmission one keeps off driving gear 011, wherein, the second dual-clutch transmission three keep off driving gear 013 be also used as simultaneously the second dual-clutch transmission five keep off driving gear use; On the outer input shaft 02 of the second dual-clutch transmission, arranging successively that from left to right the second dual-clutch transmission two keeps off driving gear 022 and the second dual-clutch transmission four keeps off driving gear 024, wherein, the second dual-clutch transmission four keep off driving gear be also used as simultaneously the second dual-clutch transmission six keep off driving gear use.Like this, from input shaft 01 in the second dual-clutch transmission, on the outer input shaft 02 of the second dual-clutch transmission, see, odd number gear is disposed on the interior input shaft 01 of the second dual-clutch transmission, even number gear is disposed on the outer input shaft 02 of the second dual-clutch transmission, (Fig. 1 shows from left to right, be left near motor one side, be right away from motor one side), arrangement of gears order is followed successively by: the second dual-clutch transmission two keeps off driving gear 022, the second dual-clutch transmission four (six) gear driving gears 024, the second dual-clutch transmission three (five) gear driving gears 013, the second dual-clutch transmission one keeps off driving gear 011.Two the second dual-clutch transmission countershaft 03,04, the second dual-clutch transmission output shafts 05 are parallel or coaxially arranged with input shaft 02 outside input shaft 01, the second dual-clutch transmission in the second dual-clutch transmission.
Like this, optionally be connected in respective gears by second double clutch the first synchronizer SC01, second dual-clutch transmission the second synchronizer SC02, the second dual-clutch transmission the 3rd synchronizer SC03 and the second dual-clutch transmission the 4th synchronizer SC04, can realize multi-clutch gear arrangement one and keep off to 36 gear velocity ratios, realize six velocity ratios that reverse gear simultaneously.
Power transmission line explanation:
One gear power transmission line: the first dual-clutch transmission the 4th synchronizer SC4 and the first dual-clutch transmission one keep off driven gear 31 and engage, the first dual-clutch transmission first clutch C1 closure, Engine torque passes to input shaft 1 in the first dual-clutch transmission by the first dual-clutch transmission first clutch C1, the first dual-clutch transmission one via normal engagement keeps off driving gear 11, the first dual-clutch transmission one keeps off driven gear 31 and the first dual-clutch transmission the 4th synchronizer SC4, transfer torque to the first dual-clutch transmission countershaft 1, by the first dual-clutch transmission countershaft one constant mesh gear 30 and the first dual-clutch transmission output shaft constant mesh gear 50, moment of torsion is passed to the first dual-clutch transmission output shaft 5 again, the second dual-clutch transmission the 4th synchronizer SC04 and the second dual-clutch transmission one keep off driven gear 031 and engage, the second dual-clutch transmission first clutch C01 closure, the first dual-clutch transmission moment of torsion passes to input shaft 01 in the second dual-clutch transmission by the second dual-clutch transmission first clutch C01, keep off driving gear 011 via the second dual-clutch transmission one, the second dual-clutch transmission one keeps off driven gear 031 and the second dual-clutch transmission the 4th synchronizer SC04, transfer torque to the second dual-clutch transmission countershaft 1, by the second dual-clutch transmission countershaft one constant mesh gear 030 and the second dual-clutch transmission output shaft constant mesh gear 050, moment of torsion is passed to the second dual-clutch transmission output shaft 05 again, final outputting power,
Two gear power transmission lines: the first dual-clutch transmission the 4th synchronizer SC4 and the first dual-clutch transmission one keep off driven gear 31 and engage, the first dual-clutch transmission first clutch C1 closure, Engine torque passes to input shaft 1 in the first dual-clutch transmission by the first dual-clutch transmission first clutch C1, keep off driving gear 11 via the first dual-clutch transmission one, the first dual-clutch transmission one keeps off driven gear 31 and the first dual-clutch transmission the 4th synchronizer SC4, transfer torque to the first dual-clutch transmission countershaft 1, by the first dual-clutch transmission countershaft one constant mesh gear 30 and the first dual-clutch transmission output shaft constant mesh gear 50, moment of torsion is passed to the first dual-clutch transmission output shaft 5 again, second dual-clutch transmission the first synchronizer SC01 and the second dual-clutch transmission two keep off driven gear 042 and engage, the second dual-clutch transmission second clutch C02 closure, Engine torque passes to the outer input shaft 02 of the second dual-clutch transmission by the second dual-clutch transmission second clutch C02, keep off driving gear 022 via the second dual-clutch transmission two, the second dual-clutch transmission two keeps off driven gear 042 and second dual-clutch transmission the first synchronizer SC01, transfer torque to the second dual-clutch transmission countershaft 2 04, by the second dual-clutch transmission countershaft two constant mesh gears 040 and the second dual-clutch transmission output shaft constant mesh gear 050, moment of torsion is passed to the second dual-clutch transmission output shaft 05 again, final outputting power,
Three gear power transmission lines: the first dual-clutch transmission the 4th synchronizer SC4 and the first dual-clutch transmission one keep off driven gear 31 and engage, the first dual-clutch transmission first clutch C1 closure, Engine torque passes to input shaft 1 in the first dual-clutch transmission by the first dual-clutch transmission first clutch C1, keep off driving gear 11 via the first dual-clutch transmission one, the first dual-clutch transmission one keeps off driven gear 31 and the first dual-clutch transmission the 4th synchronizer SC4, transfer torque to the first dual-clutch transmission countershaft 1, by the first dual-clutch transmission countershaft one constant mesh gear 30 and the first dual-clutch transmission output shaft constant mesh gear 50, moment of torsion is passed to the first dual-clutch transmission output shaft 5 again, the second dual-clutch transmission the 4th synchronizer SC04 and the second dual-clutch transmission three keep off driven gear 033 and engage, the second dual-clutch transmission first clutch C01 closure, the first dual-clutch transmission moment of torsion passes to input shaft 01 in the second dual-clutch transmission by the second dual-clutch transmission first clutch C01, keep off driving gear 013 via the second dual-clutch transmission three, the second dual-clutch transmission three keeps off driven gear 033 and the second dual-clutch transmission the 4th synchronizer SC04, transfer torque to the second dual-clutch transmission countershaft 1, by the second dual-clutch transmission countershaft one constant mesh gear 030 and the second dual-clutch transmission output shaft constant mesh gear 050, moment of torsion is passed to the second dual-clutch transmission output shaft 05 again, final outputting power,
Four gear power transmission lines: the first dual-clutch transmission the 4th synchronizer SC4 and the first dual-clutch transmission one keep off driven gear 31 and engage, the first dual-clutch transmission first clutch C1 closure, Engine torque passes to input shaft 1 in the first dual-clutch transmission by the first dual-clutch transmission first clutch C1, keep off driving gear 11 via the first dual-clutch transmission one, the first dual-clutch transmission one keeps off driven gear 31 and the first dual-clutch transmission the 4th synchronizer SC4, transfer torque to the first dual-clutch transmission countershaft 1, by the first dual-clutch transmission countershaft one constant mesh gear 30 and the first dual-clutch transmission output shaft constant mesh gear 50, moment of torsion is passed to the first dual-clutch transmission output shaft 5 again, second dual-clutch transmission the second synchronizer SC02 and the second dual-clutch transmission four keep off driven gear 034 and engage, the second dual-clutch transmission second clutch C02 closure, Engine torque passes to the outer input shaft 02 of the second dual-clutch transmission by the second dual-clutch transmission second clutch C02, keep off driving gear 024 via the second dual-clutch transmission four, the second dual-clutch transmission four keeps off driven gear 034 and second dual-clutch transmission the second synchronizer SC02, transfer torque to the second dual-clutch transmission countershaft 1, by the second dual-clutch transmission countershaft one constant mesh gear 030 and the second dual-clutch transmission output shaft constant mesh gear 050, moment of torsion is passed to the second dual-clutch transmission output shaft 05 again, final outputting power,
Five gear power transmission lines: the first dual-clutch transmission the 4th synchronizer SC4 and the first dual-clutch transmission one keep off driven gear 31 and engage, the first dual-clutch transmission first clutch C1 closure, Engine torque passes to input shaft 1 in the first dual-clutch transmission by the first dual-clutch transmission first clutch C1, keep off driving gear 11 via the first dual-clutch transmission one, the first dual-clutch transmission one keeps off driven gear 31 and the first dual-clutch transmission the 4th synchronizer SC4, transfer torque to the first dual-clutch transmission countershaft 1, by the first dual-clutch transmission countershaft one constant mesh gear 30 and the first dual-clutch transmission output shaft constant mesh gear 50, moment of torsion is passed to the first dual-clutch transmission output shaft 5 again, the second dual-clutch transmission the 3rd synchronizer SC03 and the second dual-clutch transmission five keep off driven gear 045 and engage, the second dual-clutch transmission first clutch C01 closure, the first dual-clutch transmission moment of torsion passes to input shaft 01 in the second dual-clutch transmission by the second dual-clutch transmission first clutch C01, keep off driving gear 013 via the second dual-clutch transmission five, the second dual-clutch transmission five keeps off driven gear 045 and the second dual-clutch transmission the 3rd synchronizer SC03, transfer torque to the second dual-clutch transmission countershaft 2 04, by the second dual-clutch transmission countershaft two constant mesh gears 040 and the second dual-clutch transmission output shaft constant mesh gear 050, moment of torsion is passed to the second dual-clutch transmission output shaft 05 again, final outputting power,
Six gear power transmission lines: the first dual-clutch transmission the 4th synchronizer SC4 and the first dual-clutch transmission one keep off driven gear 31 and engage, the first dual-clutch transmission first clutch C1 closure, Engine torque passes to input shaft 1 in the first dual-clutch transmission by the first dual-clutch transmission first clutch C1, keep off driving gear 11 via the first dual-clutch transmission one, the first dual-clutch transmission one keeps off driven gear 31 and the first dual-clutch transmission the 4th synchronizer SC4, transfer torque to the first dual-clutch transmission countershaft 1, by the first dual-clutch transmission countershaft one constant mesh gear 30 and the first dual-clutch transmission output shaft constant mesh gear 50, moment of torsion is passed to the first dual-clutch transmission output shaft 5 again, second dual-clutch transmission the first synchronizer SC01 and the second dual-clutch transmission six keep off driven gear 046 and engage, the second dual-clutch transmission second clutch C02 closure, Engine torque passes to the outer input shaft 02 of the second dual-clutch transmission by the second dual-clutch transmission second clutch C02, keep off driving gear 024 via the second dual-clutch transmission six, the second dual-clutch transmission six keeps off driven gear 046 and second dual-clutch transmission the first synchronizer SC01, transfer torque to the second dual-clutch transmission countershaft 2 04, by the second dual-clutch transmission countershaft two constant mesh gears 040 and the second dual-clutch transmission output shaft constant mesh gear 050, moment of torsion is passed to the second dual-clutch transmission output shaft 05 again, final outputting power,
Seven gear power transmission lines: first dual-clutch transmission the first synchronizer SC1 and the first dual-clutch transmission two keep off driven gear 42 and engage, the first dual-clutch transmission second clutch C2 closure, Engine torque passes to the outer input shaft 2 of the first dual-clutch transmission by the first dual-clutch transmission second clutch C2, keep off driving gear 22 via the first dual-clutch transmission two, the first dual-clutch transmission two keeps off driven gear 42 and first dual-clutch transmission the first synchronizer SC1, transfer torque to the first dual-clutch transmission countershaft 24, by the first dual-clutch transmission countershaft constant mesh gear 40 and the first dual-clutch transmission output shaft constant mesh gear 50, moment of torsion is passed to the first dual-clutch transmission output shaft 5 again, the second dual-clutch transmission the 4th synchronizer SC04 and the second dual-clutch transmission one keep off driven gear 31 and engage, the second dual-clutch transmission first clutch C01 closure, the first dual-clutch transmission moment of torsion passes to input shaft 01 in the second dual-clutch transmission by the second dual-clutch transmission first clutch C01, keep off driving gear 011 via the second dual-clutch transmission one, the second dual-clutch transmission one keeps off driven gear 031 and the second dual-clutch transmission the 4th synchronizer SC04, transfer torque to the second dual-clutch transmission countershaft 1, by the second dual-clutch transmission countershaft one constant mesh gear 030 and the second dual-clutch transmission output shaft constant mesh gear 050, moment of torsion is passed to the second dual-clutch transmission output shaft 05 again, final outputting power,
The rest may be inferred for forward gear power transmission line, in the time that the first dual-clutch transmission one keeps off, the second dual-clutch transmission is raised to six gears (corresponding whole transmission device one to six gear) from a gear, when the first dual-clutch transmission two keeps off, the second dual-clutch transmission is raised to six gears (corresponding whole transmission device seven keeps off 12 gears) from a gear, when the first dual-clutch transmission three keeps off, the second dual-clutch transmission is raised to six gears (corresponding whole transmission device 13 gears are to 18 gears) from a gear, until the first dual-clutch transmission six while keeping off the second dual-clutch transmission be raised to six gears (corresponding whole transmission device 30 gears are to 36 gears) from a gear.
Transfer route reverses gear: first dual-clutch transmission the second synchronizer SC2 and the first dual-clutch transmission driven gear 39 that reverses gear engages, the first dual-clutch transmission second clutch C2 closure, Engine torque passes to the outer input shaft 2 of the first dual-clutch transmission by the first dual-clutch transmission second clutch C2, through the normal engagement of the first dual-clutch transmission two gear driving gear 22, the first dual-clutch transmission two keeps off driven gear 42 (simultaneously changing gear sense of rotation as idle pulley in the middle of reversing gear), the first dual-clutch transmission driven gear 39 that reverses gear, first dual-clutch transmission the second synchronizer SC2, the first dual-clutch transmission countershaft 1, by the first dual-clutch transmission countershaft one constant mesh gear 30 and the first dual-clutch transmission output shaft constant mesh gear 50, moment of torsion is passed to the first dual-clutch transmission output shaft 5 again, the second dual-clutch transmission the 4th synchronizer SC04 and the second dual-clutch transmission one keep off driven gear 31 and engage, the second dual-clutch transmission first clutch C01 closure, the first dual-clutch transmission moment of torsion passes to input shaft 01 in the second dual-clutch transmission by the second dual-clutch transmission first clutch C01, keep off driving gear 011 via the second dual-clutch transmission one, the second dual-clutch transmission one keeps off driven gear 031 and the second dual-clutch transmission the 4th synchronizer SC04, transfer torque to the second dual-clutch transmission countershaft 1, by the second dual-clutch transmission countershaft one constant mesh gear 030 and the second dual-clutch transmission output shaft constant mesh gear 050, moment of torsion is passed to the second dual-clutch transmission output shaft 05 again, and finally by the second dual-clutch transmission output shaft 05 outputting power.
When in like manner the first dual-clutch transmission reverses gear, the second dual-clutch transmission is raised to six gears from a gear, realizes six back gear ratios.
Known from the above description, the final gear number realizing of whole multi-clutch speed changer is the product of gear number and the second dual-clutch transmission gear number of the first dual-clutch transmission.And, in the above-described embodiments, the first dual-clutch transmission has six forward gears and totally seven gears that reverse gear, the second dual-clutch transmission has six gears, and specifically describe that each gear puts in order and synchronizer mounting point, but those skilled in the art are to be understood that, in the present invention, gear and different synchronizers mounting point that the first dual-clutch transmission and the second dual-clutch transmission can adopt varying number, difference to put in order, for example, can be located at one or more synchronizer on each inside and outside input shaft.
Shift process illustrates:
One keeps off the process that shifts into second: dual-clutch transmission is in a gear, the first dual-clutch transmission the 4th synchronizer SC4 and the first dual-clutch transmission one keep off driven gear 31 and engage, the first dual-clutch transmission first clutch C1 closure, the first dual-clutch transmission second clutch C2 opens, the second dual-clutch transmission the 4th synchronizer SC04 and the second dual-clutch transmission one keep off driven gear 031 and engage, the second dual-clutch transmission first clutch C01 closure, and the second dual-clutch transmission second clutch C02 opens, dual-clutch transmission control system (in accompanying drawing 1 do not show) is sent the gear instruction that shifts into second, gear shifting actuating mechanism keeps off driven gear 042 by second dual-clutch transmission the first synchronizer SC01 and the second dual-clutch transmission two in advance and engages, now the first dual-clutch transmission second clutch C2, the second dual-clutch transmission second clutch C02 is still in open mode, i.e. the first dual-clutch transmission second clutch C2, the second dual-clutch transmission second clutch C02 and the first dual-clutch transmission countershaft 24, transferring power not of the second dual-clutch transmission countershaft 2 04, along with shift process continues, the second dual-clutch transmission first clutch C01 opens gradually, meanwhile, the second dual-clutch transmission second clutch C02 is closed gradually, the first dual-clutch transmission first clutch C1 is still closed, the first dual-clutch transmission second clutch C2 still opens, and this process there will not be torque break, the second dual-clutch transmission first clutch C01 opens completely, after the complete closure of the second dual-clutch transmission second clutch C02, the 4th synchronizer SC4 disengagement of the first dual-clutch transmission keeps off engaging of driven gear 031 with the second dual-clutch transmission one, finish shift process, Engine torque is via the first dual-clutch transmission first clutch C1, input shaft 1 in the first dual-clutch transmission, the first dual-clutch transmission one keeps off driving gear 11, the first dual-clutch transmission one keeps off driven gear 31, the first dual-clutch transmission the 4th synchronizer SC4, the first dual-clutch transmission countershaft 1, the first dual-clutch transmission countershaft one constant mesh gear 50, the first dual-clutch transmission output shaft constant mesh gear 50, the first dual-clutch transmission output shaft 5 and the second dual-clutch transmission second clutch C02, the outer input shaft 02 of the second dual-clutch transmission, the second dual-clutch transmission two keeps off driving gear 022, the second dual-clutch transmission two keeps off driven gear 042, first dual-clutch transmission the first synchronizer SC1, the second dual-clutch transmission countershaft 2 04, the second dual-clutch transmission countershaft two constant mesh gears 040, the second dual-clutch transmission output shaft constant mesh gear 050, finally by the second dual-clutch transmission output shaft 05 outputting power.
In the first embodiment, the first dual-clutch transmission has two countershafts 3, 4 and an output shaft 5, the second dual-clutch transmission has two countershafts 03, 04 and an output shaft 05, the advantage of this structure is to make the interior input shaft 1 of the first dual-clutch transmission output shaft 5 and the first dual-clutch transmission, the outer input shaft 2 of the first dual-clutch transmission is positioned on same axis substantially, in like manner, the interior input shaft 01 of the second dual-clutch transmission output shaft 05 and the second dual-clutch transmission, the outer input shaft 02 of the second dual-clutch transmission also can be positioned on same axis substantially, therefore whole multi-clutch speed changer can be realized conllinear layout, simple in structure, arrangement convenience.
With reference to figure 2, in the second embodiment of the present invention, what the first dual-clutch transmission, the second dual-clutch transmission all adopted is the mode of single countershaft, and countershaft is simultaneously as output shaft, its specific works principle and the first embodiment are similar, are not described in detail herein.But comparison diagram 1, Fig. 2 are known, in the time adopting single countershaft, can not realize the conllinear of the first dual-clutch transmission and the second dual-clutch transmission, both two necessary interlaced arrangement of dual-clutch transmission, this has brought layout difficulty to power assembly.Certainly,, according to design of the present invention, those skilled in the art also can adopt the existing dual-clutch transmission with three countershafts to realize widening of ratio coverage.
In the first embodiment of the present invention, the second embodiment, all be arranged on reversing gear on the first dual-clutch transmission, reverse gear and do not arrange on the second dual-clutch transmission, first this reduced total complexity, next has reduced control complexity, thereby avoid two dual-clutch transmissions to hang realizing into reversing gear the mistake of forward gear to occur simultaneously, realize safety control.
Generally speaking, multi-clutch speed changer provided by the present invention, what adopt is that two dual-clutch transmission layouts replace the structure of arranging multistage clutch in a speed changer, increase the gear number of speed changer, expand gear range, dwindle speed ratio interval, shifting is more smooth-going, be more suitable for car comfort requirement, structure is more simple, and reliability is higher.
Although the present invention is described in conjunction with above embodiment, but the present invention is not limited to above-described embodiment, and being only subject to the restriction of claim, those of ordinary skill in the art can easily modify to it and change, but do not leave essence design of the present invention and scope.
Claims (5)
1. a multi-clutch transmission, is characterized in that, comprises the first dual-clutch transmission and the second dual-clutch transmission, and the output shaft of described the first dual-clutch transmission is connected with the housing of described the second dual-clutch transmission.
2. multi-clutch transmission according to claim 1, it is characterized in that, described the first dual-clutch transmission and described the second dual-clutch transmission have separately two clutches, are connected with two described clutches and inside and outside nested interior input shaft and outer input shaft, countershaft and output shaft respectively, each gear driving gear on described interior input shaft and described outer input shaft coordinates with the each gear driven gear on described countershaft, and the driving gear on described countershaft often engages with the driven gear on described output shaft.
3. multi-clutch transmission according to claim 1, it is characterized in that, described the first dual-clutch transmission and described the second dual-clutch transmission have separately two clutches, are connected with two described clutches and inside and outside nested interior input shaft and outer input shaft, countershaft respectively, each gear driving gear on described interior input shaft and described outer input shaft coordinates with the each gear driven gear on described countershaft, and the countershaft of described the first dual-clutch transmission is simultaneously as output shaft.
4. according to the multi-clutch transmission described in claim 2 or 3, it is characterized in that, also comprise synchronizer, described synchronizer is optionally with each gear driving gear or respectively keep off driven gear and engage.
5. multi-clutch transmission according to claim 1, is characterized in that, described the first dual-clutch transmission is provided with and reverses gear, and described the second dual-clutch transmission is not established and reversed gear.
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| CN201410321049.7A CN104074931B (en) | 2014-07-07 | 2014-07-07 | A kind of multi-clutch transmission gear |
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| CN106481749A (en) * | 2016-11-15 | 2017-03-08 | 安徽江淮汽车集团股份有限公司 | A kind of multi-clutch transmission gear |
| ES2705089A1 (en) * | 2017-09-21 | 2019-03-21 | Univ Miguel Hernandez | MULTIPLE CLUTCH GEARBOX (Machine-translation by Google Translate, not legally binding) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104074931B (en) | 2016-08-17 |
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