CN102352913B - Multi-gear vertical dual clutch transmission - Google Patents

Multi-gear vertical dual clutch transmission Download PDF

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Publication number
CN102352913B
CN102352913B CN201110296582.9A CN201110296582A CN102352913B CN 102352913 B CN102352913 B CN 102352913B CN 201110296582 A CN201110296582 A CN 201110296582A CN 102352913 B CN102352913 B CN 102352913B
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CN
China
Prior art keywords
gear
shaft
speed
synchronizer
input shaft
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CN201110296582.9A
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Chinese (zh)
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CN102352913A (en
Inventor
王一博
张露
安胜伟
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长城汽车股份有限公司
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Priority to CN201110296582.9A priority Critical patent/CN102352913B/en
Publication of CN102352913A publication Critical patent/CN102352913A/en
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Publication of CN102352913B publication Critical patent/CN102352913B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/006Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08Toothed 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
    • F16H3/087Toothed 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 characterised by the disposition of the gears
    • F16H3/093Toothed 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 characterised by the disposition of the gears with two or more countershafts
    • F16H2003/0933Toothed 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 characterised by the disposition of the gears with two or more countershafts with coaxial countershafts

Abstract

The invention discloses a multi-gear vertical dual clutch transmission, which comprises a nesting shaft, an intermediate shaft, an output shaft and a reverse gear shaft, wherein the intermediate shaft, the output shaft and the reverse gear shaft are parallel with each other; the nesting shaft and the output shaft are collinear; the solid input shaft of the nesting shaft is provided with a dual clutch; all gears of gear pairs are respectively arranged on a hollow input shaft and the intermediate shaft, or the solid input shaft and the intermediate shaft; the intermediate shaft and the output shaft are provided with a high-speed gear pair, a low-speed gear pair, a first synchronizer and a second synchronizer; the output shaft is provided with a fourth synchronizer; and a third synchronizer is arranged on the intermediate shaft and is located between a high-speed driving gear and a low-speed driving gear, or is arranged on the output shaft and is located between a high-speed driven gear and a low-speed driven gear. In the multi-gear vertical dual clutch transmission, the implementation of all gears needs to be completed by the joint participation of 1-2 synchronizers; on the premise of not increasing the number of meshing gear pairs, through the joint utilization of all the gears of the gears and the alternating action of the four synchronizers, multi-gear drive and a wider drive ratio range are realized, and the number of the gears and the synchronizers is reduced, so that the layout of the vertical transmission is more compact, the manufacturing cost is saved, and the lightweight requirement of a whole vehicle is met. The multi-gear vertical dual clutch transmission of the vehicle can realize eight forward gears and two reverse gears at most.

Description

Many gear vertical dual clutch transmissions

Technical field

The invention belongs to automotive field, relate to a kind of transmission of vehicle, specifically a kind of many gear vertical dual clutch transmissions.

Background technique

Because the arrangement of motor is different, speed changer has horizontal and longitudinal dividing.From car load layout, be generally longitudinally applicable to front-engine rear-drive vehicle, be horizontally applicable to preposition forerunner's vehicle.In the axle tooth transmission layout of speed changer inside, have again single jack shaft and many intermediate shaft structures form, jack shaft quantity determines the length of speed changer.Adopt the speed changer of double clutch, overcome the problem of power interruption, improve power character and the fuel economy of car load.TCU controls the conversion opportunity of each gear and the degree of engagement of clutch according to the travel condition of vehicle signal of sensor collection, and control strategy complexity is high.

In the two clutch of existing horizontal DCT() major part adopts many jack shafts form, two intermediate shaft structures of such as popular DQ250 wet type DSG speed changer, three intermediate shaft structures etc. of popular DQ200 dry type DSG speed changer in speed changer.And in the two clutch of longitudinal DCT() in transmission shaft tooth layout, the general layout adopting input output coaxial form, realized each gear by single jack shaft, the special clarke of such as GETRAG(lattice) POWERSHIFT 7DCI600; The two clutch of DCT() speed changer respectively keeps off and realizes generally all adopting single synchronizer to shift gears, the gear shifting action of each gear is realized (such as popular DQ250 and DQ200) by ECU (Electrical Control Unit) hydraulic control unit drives selector fork, also has motor to drive gearshift hub to control (the special clarke 6DCT250 of such as lattice).

In prior art, each synchronizer only controls the realization of two gears, such as GETRAG PowerShift 7DCI600 adopt 9 gear pairs and 4 synchronizers to realize 7 forward gears exactly and 1 reverse gear.This layout type inherits in traditional manual transmission setting type, almost contains the shortcoming of all longitudinal speed changers: assembly size and weight are comparatively large, and amount of parts is more, and manufacture cost is high, and structure is not compact.

Summary of the invention

The technical problem to be solved in the present invention, be to provide a kind of many gear vertical dual clutch transmissions, adopt four-axle type layout, the realization of each gear needs 1-2 synchronizer jointly to participate in, the present invention is under the prerequisite not increasing engaging tooth wheel set, achieve more gear transmission and wider gear range, the highest realize 8 forward gears and 2 reverse gear; Respectively keep off sharing by gear and realize keeping off transmission with four synchronizer alternating actions more, decrease gear and synchronizer quantity, not only make longitudinal speed changer layout compacter, and saved manufacture cost, meet car load lightweight requirements.

For solving the problems of the technologies described above, the technical solution adopted in the present invention is:

A kind of many gear vertical dual clutch transmissions, comprise double clutch, also comprise nested axle, and jack shaft, output shaft and reverse shaft three parallel axes, wherein the dual input shaft structure of nested axle for being made up of hollow input shaft and solid input shaft; Output shaft and dual input shaft conllinear; One end of solid input shaft is located at by double clutch;

Each gear gear pair is located on hollow input shaft and jack shaft respectively, or on solid input shaft and jack shaft; Jack shaft and output shaft are provided with high-speed gear pair and low speed gear is secondary; Jack shaft is provided with first, second synchronizer; Solid input shaft is provided with the 4th synchronizer;

This speed changer also comprises the 3rd synchronizer, and it to be located on jack shaft and to be positioned between high speed driving gear and low-speed active gear, or to be located on output shaft and between high speed driven gear and low speed driven gear;

First, second synchronizer to be located on jack shaft First Five-Year Plan gear share driven gear and pseudo-ginseng keep off share between driven gear, the driven gear and sixteen that reverses gear keeps off between shared driven gear.

As a kind of mode of the present invention, when the 3rd synchronizer to be located on jack shaft between high speed driving gear and low-speed active gear, it is duplicate gear that high speed driving gear and four keeps off between driven gear; Odd number gear gear pair is located on hollow input shaft and jack shaft, and even number gear gear pair is located on solid input shaft and jack shaft.

As another kind of mode of the present invention, when the 3rd synchronizer to be located on output shaft between high speed driven gear and low speed driven gear, described high speed driving gear and low-speed active gear are directly rigidly attached on jack shaft together with four gear driven gears; High speed driven gear and low speed driven gear are bearing on output shaft through rolling bearing; Even number gear gear pair is located on hollow input shaft and jack shaft; Odd number gear gear pair is located on solid input shaft and jack shaft.

Aforementioned odd number gear gear pair refers to that First Five-Year Plan gear shares gear pair, pseudo-ginseng gear shares gear pair.

Even number gear gear pair refers to that reverse gear is secondary, sixteen gears share gear pair, four gear gear pairs.

Each axle is bearing on case of transmission; All support through rolling bearing between hollow input shaft and solid input shaft, between solid input shaft and output shaft, portion is provided with intermediate bearing supporting in the transmission.

Owing to have employed above-mentioned technological scheme, the present invention compared with prior art, acquired technological progress is: the present invention adopts four-axle type layout, under the prerequisite not increasing engaging tooth wheel set, respectively keep off sharing by gear and realize keeping off transmission with four synchronizer alternating actions more, decrease gear and synchronizer quantity achieves more gear transmission and wider gear range, not only make longitudinal speed changer layout compacter, and saved manufacture cost, meet car load lightweight requirements.The present invention is suitable for the longitudinal double-clutch speed changer making many gears vehicle, can realize at most eight forward gears and two and reverse gear.

The present invention is described in further detail below in conjunction with Figure of description and specific embodiment.

Accompanying drawing explanation

Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention 1;

Fig. 2 is the axial view of the position relationship of position relationship between nested axle in embodiment 1, jack shaft 4, reverse shaft 6 and associated gear;

Fig. 3 is the overall structure schematic diagram of the embodiment of the present invention 2;

Fig. 4 is the axial view of the position relationship of position relationship between nested axle in embodiment 2, jack shaft 4, reverse shaft 6 and associated gear.

In figure: 1-double clutch, 2-solid input shaft, 3-hollow input shaft, 4-jack shaft, 5-output shaft, 6-reverse shaft, 7-high speed driving gear, 8-low-speed active gear, 9-high speed driven gear, 10-low speed driven gear, 11-First Five-Year Plan gear shares driving gear, 15 '-pseudo-ginseng gear shares driving gear, 13-reverse gear driving gear, 14-sixteen gears share driving gear, 15-four gear driving gears, 16-First Five-Year Plan gear shares driven gear, 20 '-pseudo-ginseng gear shares driven gear, 18-reverse gear driven gear, 19-sixteen gears share driven gear, 20-four gear driven gears, 21-reverse gear idle pulley, 22-the first synchronizer, 23-the second synchronizer, 24-the three synchronizer, 25-the four synchronizer, 11 '-bis-or six keep off and share driving gear, 12 '-tetra-or eight keep off and share driving gear, 14 '-mono-keep off driving gear, 16 '-bis-or six keep off and share driven gear, 17 '-tetra-or eight keep off and share driven gear, 19 '-mono-keep off driven gear.

Embodiment

embodiment 1

Fig. 1 with Figure 2 shows that a kind of many gear vertical dual clutch transmissions, comprise double clutch 1, nested axle, also comprise jack shaft 4, output shaft 5 and reverse shaft 6 three parallel axes.

The dual input shaft structure of nested axle for being made up of with solid input shaft 2 hollow input shaft 3.The axis of output shaft 5 and the axis collinear of nested axle.One end of solid input shaft 2 is located at by double clutch 1.

First Five-Year Plan gear shares driving gear 11, pseudo-ginseng gear shares driving gear 12 and is located on hollow input shaft 3; The driving gear 13, sixteen that reverses gear gear shares driving gear 14, four gear driving gear 15 and is located on solid input shaft 2.

Output shaft 5 is provided with high speed driven gear 9, low speed driven gear 10, and they are for often to engage output gear, is meshed respectively with the high speed driving gear 7 be located on jack shaft 4, low-speed active gear 8.

First Five-Year Plan gear shares driven gear 16, pseudo-ginseng gear shares driven gear 17, the shared gear driven gear 19, four of the driven gear 18, sixteen that reverses gear keeps off driven gear 20 and is located on jack shaft 4, is driven respectively by corresponding driving gear 11 ~ 15.Driven gear 16 ~ 20, all through needle roller bearing support on jack shaft 4; It is duplicate gear that high speed driving gear 7 and four keeps off between driven gear 20.

On jack shaft 4, First Five-Year Plan gear shares driven gear 16 and pseudo-ginseng shares between driven gear 17, the driven gear 18 and sixteen that reverses gear keeps off between shared driven gear 19, is respectively equipped with the first synchronizer 22, second synchronizer 23, the 3rd synchronizer 24 between high speed driving gear 7 and low-speed active gear 8; Solid input shaft 2 is provided with the 4th synchronizer the 25, four synchronizer 25 between four gear driven gears 15 and high speed driven gear 9.

Each axle is bearing on case of transmission; Between hollow input shaft 3 and solid input shaft 2, all support through rolling bearing between solid input shaft 2 and output shaft 5, portion is provided with intermediate bearing supporting in the transmission.

The idle pulley 21 that reverses gear is located on reverse shaft 6, can be meshed with the driving gear 13 that reverses gear, the driven gear 18 that reverses gear simultaneously.Reverse gear driving gear 13, the driven gear 18 that reverses gear, the idle pulley 21 that reverses gear position relationship as shown in Fig. 2 and Fig. 1.

Each shelves operation element action situation of the present embodiment and kinetic current transfer route are described below:

1. a gear:

When speed changer needs to be linked into a gear from neutral, TCU(speed changer ECU (Electrical Control Unit)) control the 3rd synchronizer 24 with the first synchronizer 22 to the right and share driven gear 16 with each self-corresponding low-speed active gear 8 and First Five-Year Plan shelves left and engage, and then the odd number gear clutch controlled in double clutch 1 engages, thus realize a gear transmission.

The power of motor passes to hollow input shaft 3 by the odd number gear clutch in double clutch 1, keep off by the shared driving gear 11 of First Five-Year Plan gear and First Five-Year Plan the engagement driving sharing driven gear 16 again and pass to jack shaft 4 via the first synchronizer 22, pass to output shaft 5 finally by by the 3rd synchronizer 24 by low-speed active gear 8 and the engagement driving of low speed driven gear 10, finally realize the transmission of power of a gear.

2. two gears

When speed changer needs to rise up into two gears from a gear, TCU(speed changer ECU (Electrical Control Unit)) control the second synchronizer 23 keep off with sixteen to the right share driven gear 19 engage, and then the even number gear clutch controlled in double clutch 1 engages, control the odd number gear clutch separation in double clutch 1 simultaneously, finally control the first synchronizer 22 and exit the joint keeping off with the First Five-Year Plan and share driven gear 16, thus realize two gear transmissions.

The power of motor passes to solid input shaft 2 by the even number gear clutch in double clutch 1, jack shaft 4 is passed to via the second synchronizer 23 again by the shared driving gear of sixteen gears 14 and sixteen engagement driving of keeping off shared driven gear 19, pass to output shaft 5 finally by by the 3rd synchronizer 24 by low-speed active gear 8 and the engagement driving of low speed driven gear 10, finally realize the transmission of power of two gears.

3. three gears

When speed changer needs to rise up into three gears from two gears, TCU(speed changer ECU (Electrical Control Unit)) control the first synchronizer 22 to the right with pseudo-ginseng gear share driven gear 17 engage, and then the odd number gear clutch controlled in double clutch 1 engages, control the even number gear clutch separation in double clutch 1 simultaneously, finally control the second synchronizer 23 and exit the joint keeping off with sixteen and share driven gear 19, thus realize three gear transmissions.

The power of motor passes to hollow input shaft 3 by the odd number gear clutch in double clutch 1, keep off with pseudo-ginseng the engagement driving sharing driven gear 17 by the shared driving gear 12 of pseudo-ginseng gear again and pass to jack shaft 4 via the first synchronizer 22, pass to output shaft 5 finally by by the 3rd synchronizer 24 by low-speed active gear 8 and the engagement driving of low speed driven gear 10, finally realize the transmission of power of three gears.

4. four gears

When speed changer needs to rise up into four gears from three gears, TCU(speed changer ECU (Electrical Control Unit)) control the 4th synchronizer 25 and keep off driving gear 15 with four left and engage, and then the even number gear clutch controlled in double clutch 1 engages, control the odd number gear clutch separation in double clutch 1 simultaneously, finally control the first synchronizer 22 and exit the joint keeping off with pseudo-ginseng and share driven gear 17, thus realize four gear transmissions.

The power of motor passes to solid input shaft 2 by the even number gear clutch in double clutch 1, four gear driven gears 20 are passed to by four gear driving gear 15 engagements again via the 4th synchronizer 25, four gear driven gears 20 are duplicate gear with high speed driving gear 7, last power passes to output shaft 5 via high speed driving gear 7 and the engagement driving of high speed driven gear 9, finally realizes the transmission of power of four gears.

5. five gears

When speed changer needs to rise up into five gears from four gears, TCU(speed changer ECU (Electrical Control Unit)) control the 3rd synchronizer 24 keep off with each self-corresponding high speed driving gear 7 and First Five-Year Plan left with synchronizer 22 left share driven gear 16 engage, and then the odd number gear clutch controlled in double clutch 1 engages, control the even number gear clutch separation in double clutch 1 simultaneously, finally control the 4th synchronizer 25 and exit the joint keeping off driving gear 15 with four, thus realize five gear transmissions.

The power of motor passes to hollow input shaft 3 by the odd number gear clutch in double clutch 1, keep off by the shared driving gear 11 of First Five-Year Plan gear and First Five-Year Plan the engagement driving sharing driven gear 16 again and pass to jack shaft 4 via the first synchronizer 22, pass to output shaft 5 finally by by the 3rd synchronizer 24 by high speed driving gear 7 and the engagement driving of high speed driven gear 9, finally realize the transmission of power of five gears.

6. six gears (directly keeping off)

When speed changer needs to rise up into six gears from five gears, TCU(speed changer ECU (Electrical Control Unit)) control the 4th synchronizer 25 and directly engage with corresponding output shaft 5 to the right, and then the even number gear clutch controlled in double clutch 1 engages, control the odd number gear clutch separation in double clutch 1 simultaneously, finally control the 3rd synchronizer 24 and the first synchronizer 22 exit the joint keeping off with high speed driving gear 7 and First Five-Year Plan and share driven gear 16, thus realize six gears (directly keeping off) transmission.

The power of motor passes to solid input shaft 3 by the even number gear clutch in double clutch 1, then by the direct plasmid conjugation of the 4th synchronizer 25 and output shaft 5 on output shaft 5, finally realizes the transmission of power of six gears.

7. seven gears

When speed changer needs to rise up into seven gears from six gears, TCU(speed changer ECU (Electrical Control Unit)) control the 3rd synchronizer 24 left with the first synchronizer 22 keep off with corresponding high speed driving gear 7 and pseudo-ginseng respectively to the right share driven gear 17 engage, and then the odd number gear clutch controlled in double clutch 1 engages, control the even number gear clutch separation in double clutch 1 simultaneously, finally control the 4th synchronizer 25 and exit the joint with output shaft 5, thus realize seven gear transmissions.

The power of motor passes to hollow input shaft 3 by the odd number gear clutch in double clutch 1, keep off with pseudo-ginseng the engagement driving sharing driven gear 17 by the shared driving gear 12 of pseudo-ginseng gear again and pass to jack shaft 4 via the first synchronizer 22, pass to output shaft 5 finally by by the 3rd synchronizer 24 by high speed driving gear 7 and the engagement driving of high speed driven gear 9, finally realize the transmission of power of seven gears.

8. eight gears

When speed changer needs to rise up into eight gears from seven gears, TCU(speed changer ECU (Electrical Control Unit)) control the second synchronizer 23 keep off with corresponding sixteen to the right share driven gear 19 engage, and then the odd number gear clutch controlled in double clutch 1 engages, control the even number gear clutch separation in double clutch 1 simultaneously, finally control the first synchronizer 22 and exit the joint keeping off with pseudo-ginseng and share driven gear 17, thus realize eight gear transmissions.

The power of motor passes to solid input shaft 2 by the even number gear clutch in double clutch 1, jack shaft 4 is passed to via the second synchronizer 23 again by the shared driving gear of sixteen gears 14 and sixteen engagement driving of keeping off shared driven gear 19, pass to output shaft 5 finally by by the 3rd synchronizer 24 by high speed driving gear 7 and the engagement driving of high speed driven gear 9, finally realize the transmission of power of eight gears.

9. low speed reverses gear

Speed changer need from neutral be linked into low speed reverse gear time, TCU(speed changer ECU (Electrical Control Unit)) control the 3rd synchronizer 24 with the second synchronizer 23 to the right and engage with each self-corresponding low-speed active gear 8 and the driven gear 18 that reverses gear left, and then the even number gear clutch controlled in double clutch 1 engages, thus realize low speed reverse gear.

The power of motor passes to solid input shaft 2 by the even number gear clutch in double clutch 1, reach with the engagement driving of the idle pulley 21 that reverses gear the driven gear 18 that reverses gear again by the driving gear 13 that reverses gear, jack shaft 4 is passed to again via the second synchronizer 23, pass to output shaft 5 finally by by the 3rd synchronizer 24 by low-speed active gear 8 and the engagement driving of low speed driven gear 10, finally realize the transmission of power that low speed reverses gear.

10. reverse gear at a high speed

Speed changer need from neutral be linked into reverse gear at a high speed time, TCU(speed changer ECU (Electrical Control Unit)) control the 3rd synchronizer 24 with the second synchronizer 23 left and engage with each self-corresponding high speed driving gear 7 and the driven gear 18 that reverses gear left, and then the even number gear clutch controlled in double clutch 1 engages, thus realize high speed reverse gear.

The power of motor passes to solid input shaft 2 by the even number gear clutch in double clutch 1, reach with the engagement driving of the idle pulley 21 that reverses gear the driven gear 18 that reverses gear again by the driving gear 13 that reverses gear, jack shaft 4 is passed to again via the second synchronizer 23, output shaft 5 is passed to by high speed driving gear 7 and the engagement driving of high speed driven gear 9, the final transmission of power realizing reversing gear at a high speed finally by by the 3rd synchronizer 24.

embodiment 2

Fig. 3 with Figure 4 shows that a kind of many gear vertical dual clutch transmissions, comprise double clutch 1, nested axle, also comprise jack shaft 4, output shaft 5 and reverse shaft 6 three parallel axes.

The dual input shaft structure of nested axle for being made up of with solid input shaft 2 hollow input shaft 3.The axis of output shaft 5 and the axis collinear of nested axle.One end of solid input shaft 2 is located at by double clutch 1.

Two or six gears share driving gear 11 ', four or eight gears share driving gear 12 ' and are located on hollow input shaft 3; Reverse gear that driving gear 13, pseudo-ginseng gear share driving gear 15 ', gear driving gear 14 ' to be located on solid input shaft 2.

Output shaft 5 is provided with high speed driven gear 9, low speed driven gear 10, and they are for often to engage output gear, is meshed respectively with the high speed driving gear 7 be located on jack shaft 4, low-speed active gear 8.

Two or six gears share driven gear 16 ', four or eight gears share driven gear 17 ', the driven gear 18, that reverses gear gear driven gear 19 ', pseudo-ginseng gear share driven gear 20 ' and be located on jack shaft 4, respectively by corresponding driving gear 11 ', 12 ', 13,14 ', 15 ' drive.Driven gear 16 ', 17 ', 18,19 ', all through needle roller bearing support on jack shaft 4; High speed driving gear 7, low-speed active gear 8 are rigidly attached on jack shaft 4 respectively with pseudo-ginseng shelves driven gear 20.

On jack shaft 4, two or six gears share that driven gear 16 ' and four or eight keep off between shared driven gear 17 ', the driven gear 18 and that reverses gear keeps off between driven gear 19 ' and is respectively equipped with the first synchronizer 22, second synchronizer 23; On output shaft 5, between high speed driven gear 9 and low speed driven gear 10, be provided with the 3rd synchronizer 24; On solid input shaft 2, near one end of output shaft 5, be provided with the 4th synchronizer the 25, four synchronizer 25 and share between driving gear 15 ' and high speed follower 9 at pseudo-ginseng shelves.

Each axle is bearing on case of transmission; Between hollow input shaft 3 and solid input shaft 2, all support through rolling bearing between solid input shaft 2 and output shaft 5, portion is provided with intermediate bearing supporting in the transmission.

The idle pulley 21 that reverses gear is located on reverse shaft 6, can be meshed with the driving gear 13 that reverses gear, the driven gear 18 that reverses gear simultaneously.Reverse gear driving gear 13, the driven gear 18 that reverses gear, the idle pulley 21 that reverses gear position relationship as shown in Fig. 4 and Fig. 3.

Each shelves operation element action situation of the present embodiment and kinetic current transfer route are described below:

1. a gear:

When speed changer needs to be linked into a gear from neutral, TCU(speed changer ECU (Electrical Control Unit)) control the 3rd synchronizer 24 with the second synchronizer 23 to the right and engage with each self-corresponding low speed driven gear 10 and first speed driven gear 19 respectively to the right, and then the odd number gear clutch controlled in double clutch 1 engages, thus realize a gear transmission.

The power of motor passes to solid input shaft 2 by the odd number gear clutch in double clutch 1, jack shaft 4 is passed to via the second synchronizer 23 again by a gear driving gear 14 and an engagement driving of keeping off driven gear 19, pass to output shaft 5 finally by low-speed active gear 8 and the engagement driving of low speed driven gear 10 via the 3rd synchronizer 24, finally realize the transmission of power of a gear.

2. two gears

When speed changer needs to rise up into two gears from a gear, TCU(speed changer ECU (Electrical Control Unit)) control the first synchronizer 22 keep off with two or six left share driven gear 16 ' engage, and then the even number gear clutch controlled in double clutch 1 engages, control the odd number gear clutch separation in double clutch 1 simultaneously, finally control the second synchronizer 23 and exit the joint keeping off driven gear 19 with, thus realize two gear transmissions.

The power of motor passes to hollow input shaft 3 by the even number gear clutch in double clutch 1, keep off by shared driving gear 11 ' and two or six of two or six gear the engagement driving sharing driven gear 16 ' again and pass to jack shaft 4 via the first synchronizer 22, pass to output shaft 5 finally by low-speed active gear 8 and the engagement driving of low speed driven gear 10 via the 3rd synchronizer 24, finally realize the transmission of power of two gears.

3. three gears

When speed changer needs to rise up into three gears from two gears, TCU(speed changer ECU (Electrical Control Unit)) control the 4th synchronizer 25 left with pseudo-ginseng gear share driving gear 15 ' engage, and then the odd number gear clutch controlled in double clutch 1 engages, control the even number gear clutch separation in double clutch 1 simultaneously, finally control the first synchronizer 22 and exit the joint keeping off with two or six and share driven gear 16 ', thus realize three gear transmissions.

The power of motor passes to solid input shaft 2 by the odd number gear clutch in double clutch 1, keep off by shared driving gear 15 ' of pseudo-ginseng gear and pseudo-ginseng the engagement driving sharing driven gear 20 ' via the 4th synchronizer 25 again and pass to jack shaft 4, pass to output shaft 5 finally by low-speed active gear 8 and the engagement driving of low speed driven gear 10 via the 3rd synchronizer 24, finally realize the transmission of power of three gears.

4. four gears

When speed changer needs to rise up into four gears from three gears, TCU(speed changer ECU (Electrical Control Unit)) control the first synchronizer 22 keep off with four or eight to the right share driven gear 17 ' engage, and then the even number gear clutch controlled in double clutch 1 engages, control the odd number gear clutch separation in double clutch 1 simultaneously, finally control the 4th synchronizer 25 and exit the joint keeping off with pseudo-ginseng and share driving gear 15 ', thus realize four gear transmissions.

The power of motor passes to hollow input shaft 3 by the even number gear clutch in double clutch 1, the engagement driving of keeping off driven gear 17 ' via the first synchronizer 22 by shared driving gear 12 ' and four or eight of four or eight gear again passes to jack shaft 4, pass to output shaft 5 finally by low-speed active gear 8 and the engagement driving of low speed driven gear 10 via the 3rd synchronizer 24, finally realize the transmission of power of four gears.

5. five gears (directly keeping off)

When speed changer needs to rise up into five gears from four gears, TCU(speed changer ECU (Electrical Control Unit)) control the 4th synchronizer 25 and directly engage with corresponding output shaft 5 to the right, and then the odd number gear clutch controlled in double clutch 1 engages, control the even number gear clutch separation in double clutch 1 simultaneously, finally control the first synchronizer 22 and the 3rd synchronizer 24 exits the joint keeping off driven gear 16 and low speed driven gear 10 with four or eight respectively, thus realize five gears (directly keeping off) transmission.

The power of motor passes to solid input shaft 2 by the odd number gear clutch in double clutch 1, then by the direct plasmid conjugation of the 4th synchronizer 25 and output shaft 5 on output shaft 5, finally realizes the transmission of power of five gears.

6. six gears

When speed changer needs to rise up into six gears from five gears, TCU(speed changer ECU (Electrical Control Unit)) control the 3rd synchronizer 24 left with the first synchronizer 22 keep off with corresponding high speed driven gear 9 and 26 respectively left share driven gear 16 ' engage, and then the even number gear clutch controlled in double clutch 1 engages, control the odd number gear clutch separation in double clutch 1 simultaneously, finally control the 4th synchronizer 25 and exit the direct joint with output shaft 5, thus realize six gear transmissions.

The power of motor passes to hollow input shaft 3 by the even number gear clutch in double clutch 1, keep off by shared driving gear 11 ' and two or six of two or six gear the engagement driving sharing driven gear 16 ' again and pass to jack shaft 4 via the first synchronizer 22, pass to output shaft 5 finally by by the 3rd synchronizer 24 by high speed driving gear 7 and the engagement driving of high speed driven gear 9, finally realize the transmission of power of six gears.

7. seven gears

When speed changer needs to rise up into seven gears from six gears, TCU(speed changer ECU (Electrical Control Unit)) control the 4th synchronizer 25 keep off with corresponding pseudo-ginseng left share driving gear 15 engage, and then the odd number gear clutch controlled in double clutch 1 engages, control the even number gear clutch separation in double clutch 1 simultaneously, finally control the first synchronizer 22 and exit the joint keeping off with two or six and share driven gear 16 ', thus realize seven gear transmissions.

The power of motor passes to solid input shaft 2 by the odd number gear clutch in double clutch 1, keep off via shared driving gear 15 ' of pseudo-ginseng gear and pseudo-ginseng the engagement driving sharing driven gear 20 ' by the 4th synchronizer 25 again and pass to jack shaft 4, pass to output shaft 5 finally by by high speed driving gear 7 and the engagement driving of high speed driven gear 9 by the 3rd synchronizer 24, finally realize the transmission of power of seven gears.

8. eight gears

When speed changer needs to rise up into eight gears from seven gears, TCU(speed changer ECU (Electrical Control Unit)) control the first synchronizer 22 keep off with corresponding 48 to the right share driven gear 17 engage, and then the odd number gear clutch controlled in double clutch 1 engages, control the even number gear clutch separation in double clutch 1 simultaneously, finally control the 4th synchronizer 25 and exit the joint keeping off with pseudo-ginseng and share driving gear 15 ', thus realize eight gear transmissions.

The power of motor passes to hollow input shaft 3 by the even number gear clutch in double clutch 1, keep off by shared driving gear 12 ' and four or eight of four or eight gear the engagement driving sharing driven gear 17 ' again and pass to jack shaft 4 via the first synchronizer 22, pass to output shaft 5 finally by by high speed driving gear 7 and the engagement driving of high speed driven gear 9 by the 3rd synchronizer 24, finally realize the transmission of power of eight gears.

9. low speed reverses gear

Speed changer need from neutral be linked into low speed reverse gear time, TCU(speed changer ECU (Electrical Control Unit)) control the 3rd synchronizer 24 with the second synchronizer 23 to the right and engage with each self-corresponding low speed driven gear 10 and the driven gear 18 that reverses gear left, and then the odd number gear clutch controlled in double clutch 1 engages, thus realize low speed reverse gear.

The power of motor passes to solid input shaft 2 by the odd number gear clutch in double clutch 1, reach with the engagement driving of the idle pulley 21 that reverses gear the driven gear 18 that reverses gear again by the driving gear 13 that reverses gear, jack shaft 4 is passed to again via the second synchronizer 23, pass to output shaft 5 finally by by low-speed active gear 8 and the engagement driving of low speed driven gear 10 by the 3rd synchronizer 24, finally realize the transmission of power that low speed reverses gear.

10. reverse gear at a high speed

Speed changer need from neutral be linked into reverse gear at a high speed time, TCU(speed changer ECU (Electrical Control Unit)) control the 3rd synchronizer 24 with the second synchronizer 23 left and engage with each self-corresponding high speed driven gear 9 and the driven gear 18 that reverses gear left, and then the odd number gear clutch controlled in double clutch 1 engages, thus realize high speed reverse gear.

The power of motor passes to solid input shaft 2 by the odd number gear clutch in double clutch 1, reach with the engagement driving of the idle pulley 21 that reverses gear the driven gear 18 that reverses gear again by the driving gear 13 that reverses gear, jack shaft 4 is passed to again via the second synchronizer 23, output shaft 5 is passed to by the 3rd synchronizer 24, the final transmission of power realizing reversing gear at a high speed finally by by high speed driving gear 7 and the engagement driving of high speed driven gear 9.

As shown in the above, the difference of the present embodiment and embodiment 1 is:

(1) the direct gear of the present embodiment is five gears;

(2) the 3rd synchronizers 24, the 4th synchronizer 25 setting position are different.As shown in Figure 3, the 3rd synchronizer 24 of the present embodiment is located on output shaft 5, between high speed driven gear 9 and low speed driven gear 10; 4th synchronizer 25 is located on solid input shaft 2, near one end of output shaft 5, shares between driving gear 15 ' and high speed driven gear 9 at pseudo-ginseng gear.High speed driving gear 7 and pseudo-ginseng keep off between shared driven gear 20 ' independent separately, non-double structure.High speed driving gear 7 and low-speed active gear 8 are directly rigidly attached on jack shaft 4 together with four gear driven gears 20, and high speed driven gear 9 and low speed driven gear 10 are bearing on output shaft 5 through rolling bearing.

Claims (6)

1. a gear vertical dual clutch transmission more than, comprises double clutch, it is characterized in that:also comprise nested axle, and jack shaft, output shaft and reverse shaft three parallel axes, wherein the dual input shaft structure of nested axle for being made up of hollow input shaft and solid input shaft; Output shaft and dual input shaft conllinear; One end of solid input shaft is located at by double clutch; Each gear gear pair is located on hollow input shaft and jack shaft respectively, or on solid input shaft and jack shaft; Jack shaft and output shaft are provided with high-speed gear pair and low speed gear is secondary; Jack shaft is provided with first, second synchronizer; Solid input shaft is provided with the 4th synchronizer; This speed changer also comprises the 3rd synchronizer, and it to be located on jack shaft and to be positioned between high speed driving gear and low-speed active gear, or to be located on output shaft and between high speed driven gear and low speed driven gear; First, second synchronizer to be located on jack shaft First Five-Year Plan gear share driven gear and pseudo-ginseng keep off share between driven gear, the driven gear and sixteen that reverses gear keeps off between shared driven gear.
2. many gear vertical dual clutch transmissions according to claim 1, it is characterized in that:3rd synchronizer is located on jack shaft between high speed driving gear and low-speed active gear, and it is duplicate gear that high speed driving gear and four keeps off between driven gear; Odd number gear gear pair is located on hollow input shaft and jack shaft, and even number gear gear pair is located on solid input shaft and jack shaft.
3. many gear vertical dual clutch transmissions according to claim 1, it is characterized in that:3rd synchronizer is located on output shaft between high speed driven gear and low speed driven gear, and described high speed driving gear and low-speed active gear are directly rigidly attached on jack shaft together with four gear driven gears; High speed driven gear and low speed driven gear are bearing on output shaft through rolling bearing; Even number gear gear pair is located on hollow input shaft and jack shaft; Odd number gear gear pair is located on solid input shaft and jack shaft.
4. the many gear vertical dual clutch transmissions according to Claims 2 or 3, it is characterized in that:described odd number gear gear pair refers to that First Five-Year Plan gear shares gear pair, pseudo-ginseng gear shares gear pair.
5. the many gear vertical dual clutch transmissions according to Claims 2 or 3, it is characterized in that:described even number gear gear pair refers to that reverse gear is secondary, sixteen gears share gear pair, four gear gear pairs.
6. the many gear vertical dual clutch transmissions according to any one of claim 1-3, it is characterized in that:each axle is bearing on case of transmission; All support through rolling bearing between hollow input shaft and solid input shaft, between solid input shaft and output shaft, portion is provided with intermediate bearing supporting in the transmission.
CN201110296582.9A 2011-09-30 2011-09-30 Multi-gear vertical dual clutch transmission CN102352913B (en)

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