Summary of the invention
The axial length that existing double-clutch speed changer exists is long, amount of parts is many in order to solve, assembly process complicated problems more, the invention provides a kind of new structure dual-clutch transmission transmission device.
The present invention realizes that the technical solution of above-mentioned purpose is as follows:
The double-clutch speed changer transmission device comprises the interior input shaft 1 and outer input shaft 2, first output shaft 3, second output shaft 4 of coaxial setting, describedly establish gear respectively on each, also comprise first clutch C1 and second clutch C2, one end of first clutch C1 and interior input shaft 1 is connected, one end of second clutch C2 and outer input shaft 2 is connected, and first clutch C1 and second clutch C2 are positioned at same input end.
Be fixed with a retaining driving gear 11, five retaining driving gears 15 and three retaining driving gears 13 in described on the input shaft 1 successively;
Be fixed with four retaining driving gears 24 on the described outer input shaft 2 successively and two retaining driving gears 22, four retaining driving gears also are used as six retaining driving gears simultaneously, two retaining driving gears also are used as the driving gear that reverses gear simultaneously;
Be provided with a retaining driven gear 31, five retaining driven gears 35, four retaining driven gears 34 on described first output shaft 3 successively, the driven gear 37 and first output gear 30 reverse gear; Wherein a retaining driven gear 31, five retaining driven gears 35, four retaining driven gears 34, driven gear 37 skies that reverse gear are enclosed within on first output shaft 3, and can rotate around first output shaft 3; First output gear 30 is fixedlyed connected with first output shaft 3, is used for exporting the moment of torsion of first output shaft 3; On first output shaft 3 between a retaining driven gear 31 and the five retaining driven gears 35, be fixed with the first synchronizer SC1, optionally the first retaining moment of torsion and the 5th retaining moment of torsion passed to first output shaft 3; On four retaining driven gears 34 and first output shaft 3 between the driven gear 37 of reversing gear, be fixed with the second synchronizer SC2, optionally the 4th retaining moment of torsion and the moment of torsion that reverses gear passed to first output shaft 3;
An one retaining driving gear 11 and a retaining driven gear 31 are normal engagement; Five retaining driving gears 15 and five retaining driven gears 35 are normal engagement;
Be provided with three retaining driven gears 43, six retaining driven gears 46, the two retaining driven gear 42 and second output gears 40 on described second output shaft 4 successively, wherein three retaining driven gears 43, six retaining driven gears 46 and two retaining driven gears, 42 skies are enclosed within on second output shaft 4, and can rotate around second output shaft 4; Second output gear 40 is fixedlyed connected with second output shaft 4, is used for exporting the moment of torsion of second output shaft 4; Be fixed with the 4th synchronizer SC4 and Parking ratchet 49, the four synchronizer SC4 on second output shaft 4 in three retaining driven gears 43 outsides and optionally the 3rd retaining moment of torsion passed to second output shaft 4; Be fixed with the 3rd synchronizer SC3 on second output shaft 4 between six retaining driven gears 46 and the two retaining driven gears 42, optionally the 6th retaining moment of torsion and the second retaining moment of torsion passed to second output shaft 4;
Second gear driving gear 22 and two retaining driven gears 42 are normal engagement; Three retaining driving gears 13 and three retaining driven gears 43 are normal engagement, and four retaining driving gears 24 are normal engagement with four retaining driven gears 34, six retaining driven gears 46 simultaneously.
Useful technique effect of the present invention embodies in the following areas:
1, the present invention is shared four, six retaining driving gears, also shared two, driving gear reverses gear, make axial length shorter, can shorten more than the axial length 20mm, at certain vehicle transmitting torque is under the situation of 270Nm, the actual axial length of dual-clutch transmission transmission device reaches 235mm, and is highly beneficial to preceding horizontal passenger car layout, meets the passenger car demand for development.
2, the double clutch transmissions that patent of the present invention provided, two retaining driven gears 42 are used as the intermediate idler gear of reversing gear simultaneously, reverse gear shaft and extra reverse idle gear have been cancelled, reduced amount of parts, at least the main parts size of Jian Shaoing comprises 1 tapered roller bearing, 1 combination bearing, 1 reverse gear shaft and 2 gears, reduce gear box casing processing, detected content, reduced double clutch assembly installation step, reduced cost.
3, the double clutch transmissions that patent of the present invention provided, with a retaining with reverse gear arranged apartly on different clutches, improved the working life of clutch, improved pairing device speed changer starting performance and safety.
4, Parking ratchet 49 is arranged on second output shaft 4 near the high order end position of bearings, compares the Parking ratchet is arranged in structure on the differential mechanism, has reduced the requirement of strength and the boundary dimension of halting mechanism.
Embodiment
Below in conjunction with accompanying drawing, the present invention is done to describe further by embodiment.
Embodiment:
Referring to Fig. 1, the double-clutch speed changer transmission device comprises the interior input shaft 1 and outer input shaft 2, first output shaft 3, second output shaft 4 of coaxial setting, describedly establish gear respectively on each, also comprise first clutch C1 and second clutch C2, one end of first clutch C1 and interior input shaft 1 is connected, one end of second clutch C2 and outer input shaft 2 is connected, and first clutch C1 and second clutch C2 are positioned at same input end;
Be installed with a retaining driving gear 11, five retaining driving gears 15 and three retaining driving gears 13 on the interior input shaft 1 successively.
Be installed with four retaining driving gears 24 on the outer input shaft 2 successively and two retaining driving gears 22, four retaining driving gears also are used as six retaining driving gears simultaneously, two retaining driving gears also are used as the driving gear that reverses gear simultaneously.
Be provided with a retaining driven gear 31, five retaining driven gears 35, four retaining driven gears 34 on first output shaft 3 successively, the driven gear 37 and first output gear 30 reverse gear; Wherein a retaining driven gear 31, five retaining driven gears 35, four retaining driven gears 34, driven gear 37 skies that reverse gear are enclosed within on first output shaft 3, and can rotate around first output shaft 3; First output gear 30 is fixedlyed connected with first output shaft 3, is used for exporting the moment of torsion of first output shaft 3; On first output shaft 3 between a retaining driven gear 31 and the five retaining driven gears 35, be installed with the first synchronizer SC1, optionally the first retaining moment of torsion and the 5th retaining moment of torsion passed to first output shaft 3; On four retaining driven gears 34 and first output shaft 3 between the driven gear 37 of reversing gear, be installed with the second synchronizer SC2, optionally the 4th retaining moment of torsion and the moment of torsion that reverses gear passed to first output shaft 3;
An one retaining driving gear 11 and a retaining driven gear 31 are normal engagement; Five retaining driving gears 15 and five retaining driven gears 35 are normal engagement.
Be provided with three retaining driven gears 43, six retaining driven gears 46, the two retaining driven gear 42 and second output gears 40 on second output shaft 4 successively, wherein three retaining driven gears 43, six retaining driven gears 46 and two retaining driven gears, 42 skies are enclosed within on first output shaft 3, and can rotate around second output shaft 4; Second output gear 40 is fixedlyed connected with second output shaft 4, is used for exporting the moment of torsion of second output shaft 4; Be installed with the 4th synchronizer SC4 and Parking ratchet 49, the four synchronizer SC4 on second output shaft 4 in three retaining driven gears 43 outsides and optionally the 3rd retaining moment of torsion passed to second output shaft 4; Be installed with the 3rd synchronizer SC3 on second output shaft 4 between six retaining driven gears 46 and the two retaining driven gears 42, optionally the 6th retaining moment of torsion and the second retaining moment of torsion passed to second output shaft 4;
Three retaining driving gears 13 and three retaining driven gears 43 are normal engagement, and four retaining driving gears 24 are normal engagement with four retaining driven gears 34, six retaining driven gears 46 simultaneously.
The differential mechanism master of differential mechanism 6 subtracts gear 60 and meshes with first output gear 30, second output gear 40 respectively, see Fig. 2, Fig. 2 has shown the spatial relation between double clutch transmissions first and second input shafts of the present invention, first and second output shafts and the differential mechanism.
Six forward gears and a power transmission line that reverses gear of this device are as follows:
One retaining power transmission line: the first synchronizer SC1 and a retaining driven gear 31 combinations, first clutch C1 closure, input shaft 1 in Engine torque passes to by first clutch C1, retaining driving gear 11 and via normal engagement keeps off driven gear 31, the first synchronizer SC1, transfer torque to first output shaft 3, subtract gear 60 by first output gear 30 and differential mechanism master again moment of torsion is passed to differential mechanism 6, and finally by differential mechanism 6 outputting powers.
Two retaining power transmission lines: the 3rd synchronizer SC3 and 42 combinations of two retaining driven gears, second clutch C2 closure, Engine torque passes to outer input shaft 2 by second clutch C2, two retaining driving gears 22 and two via normal engagement keep off driven gears 42, the 3rd synchronizer SC3, transfer torque to second output shaft 4, subtract gear 60 by second output gear 40 and differential mechanism master again moment of torsion is passed to differential mechanism 6, and finally by differential mechanism 6 outputting powers.
Three retaining power transmission lines: the 4th synchronizer SC4 and 43 combinations of three retaining driven gears, first clutch C1 closure, input shaft 1 in Engine torque passes to by first clutch C1, three retaining driving gears 13 and three via normal engagement keep off driven gears 43, the 4th synchronizer SC4, transfer torque to second output shaft 4, subtract gear 60 by second output gear 40 and differential mechanism master again moment of torsion is passed to differential mechanism 6, and finally by differential mechanism 6 outputting powers.
Four retaining power transmission lines: the second synchronizer SC2 and 34 combinations of four retaining driven gears, second clutch C2 closure, Engine torque passes to outer input shaft 2 by second clutch C2, four retaining driving gears 24 and four via normal engagement keep off driven gears 34, the second synchronizer SC2, transfer torque to first output shaft 3, subtract gear 60 by first output gear 30 and differential mechanism master again moment of torsion is passed to differential mechanism 6, and finally by differential mechanism 6 outputting powers.
Five retaining power transmission lines: the first synchronizer SC1 and 35 combinations of five retaining driven gears, first clutch C1 closure, input shaft 1 in Engine torque passes to by first clutch C1, five retaining driving gears 15 and five via normal engagement keep off driven gears 35, the first synchronizer SC1, transfer torque to first output shaft 3, subtract gear 60 by first output gear 30 and differential mechanism master again moment of torsion is passed to differential mechanism 6, and finally by differential mechanism 6 outputting powers.
Six retaining power transmission lines: the 3rd synchronizer SC3 and 46 combinations of six retaining driven gears, second clutch C2 closure, Engine torque passes to outer input shaft 2 by second clutch C2, six retaining driving gears 24 and six via normal engagement keep off driven gears 46, the 3rd synchronizer SC3, transfer torque to second output shaft 4, subtract gear 60 by second output gear 40 and differential mechanism master again moment of torsion is passed to differential mechanism 6, and finally by differential mechanism 6 outputting powers.
Transfer route reverses gear: the second synchronizer SC2 and driven gear 37 combinations of reversing gear, second clutch C2 closure, Engine torque passes to outer input shaft 2 by second clutch C2, through two retaining driving gears 22 (simultaneously as reversing gear driving gear), two retaining driven gears 42 (changing the gear sense of rotation as the intermediate idler gear of reversing gear simultaneously), driven gear 37 reverses gear, the second synchronizer SC2, transfer torque to first output shaft 3, subtract gear 60 by first output gear 30 and differential mechanism master again moment of torsion is passed to differential mechanism 6, and finally by differential mechanism 6 outputting powers, see Fig. 3, Fig. 3 stresses the spatial relation between each gear of realizing reversing gear.
Shift process illustrates:
One keeps off the process that shifts into second: dual-clutch transmission is in a retaining, the first synchronizer SC1 and a retaining driven gear 31 combinations, and first clutch C1 closure, second clutch C2 opens; The dual-clutch transmission control system is sent one and is kept off the instruction that shifts into second, gearshift actuator is in advance with the 3rd synchronizer SC3 and 42 combinations of two retaining driven gears, this moment, second clutch C2 still was in open mode, i.e. the second clutch C2 and second output shaft 4 transferring power not; Along with shift process continues, first clutch C1 opens gradually, and meanwhile, second clutch C2 is closed gradually, and this process torque break can not occur; First clutch C1 opens fully, after the complete closure of second clutch C2, first synchronizer SC1 disengagement combines with a retaining driven gear 31, finish shift process, Engine torque subtracts gear 60, is finally exported by differential mechanism 6 via second clutch C2, outer input shaft 2, two retaining driving gears 22, two retaining driven gears 42, the 3rd synchronizer SC3, second output shaft 4, second output gear 40, differential mechanism master.