CN202349117U - Dual-clutch transmission for multi-gear tractor - Google Patents
Dual-clutch transmission for multi-gear tractor Download PDFInfo
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- CN202349117U CN202349117U CN2011205084912U CN201120508491U CN202349117U CN 202349117 U CN202349117 U CN 202349117U CN 2011205084912 U CN2011205084912 U CN 2011205084912U CN 201120508491 U CN201120508491 U CN 201120508491U CN 202349117 U CN202349117 U CN 202349117U
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Abstract
The utility model relates to a dual-clutch transmission for a multi-gear tractor, which comprises an input shaft, an intermediate shaft and a main output shaft connected with the intermediate shaft in a transmission way. The main output shaft is connected with a high/intermediate/low gear shifting mechanism in a transmission way, the high/intermediate/low gear shifting mechanism comprises a high-gear driving gear, an auxiliary output shaft, a gear-shifting intermediate shaft and a gear-reversing idle pulley shaft, wherein the auxiliary output shaft is fixedly provided with an intermediate-gear driven gear and a gear-reversing driven gear, a hollow bushing is provided with a low-gear driven gear, the gear-reversing idle pulley shaft is fixedly provided with a gear-reversing idle pulley which is respectively and simultaneously engaged with a gear-reversing driving gear and the gear-reversing driven gear, and the auxiliary output shaft is also provided with a driving power output section used for outputting the power of the transmission to a front axle or a rear axle. The utility model aims to provide the dual-clutch transmission for the multi-gear tractor, which has high/intermediate/low-gear output, and the requirements of the tractor on the speed under different working conditions can be satisfied.
Description
Technical field
The utility model relates to the speed changer technical field, relates in particular to the dual-clutch transmission that uses in a kind of many retaining tractors.
Background technique
The tractor speed changer adopts armstrong's patent gearshift modes such as sliding gear, engagement cover and synchronizer more at present, needs first cut-off clutch during the tractor gearshift, then speed changer is plucked neutral, block selecting again, gearshift, last engaging clutch.Like this, after clutch separation, before clutch engages again again, the power of motor can not be passed to wheel and go to drive the tractor operation, so produced the interruption of transmission of power in the shift process, gearshift slowly influences operating efficiency.Double-clutch automatic gearbox is a kind of novel automatic transmission; It with transmission gear by strange, even number is arranged in two two input shafts that clutch connected on; Accomplish the gearshift overshoot through alternately switching of clutch; Realized power gear shifting, this is particularly important concerning the tractor of on-load operation.
The concrete structure of existing dual-clutch transmission such as Chinese patent CN200410070324.9 disclosed a kind of " double clutch gearbox "; Comprise the input shaft that two coaxial settings and the output shaft through each self-corresponding clutch and corresponding motor are in transmission connection, double clutch gearbox also comprises reverse gear idler shaft and two jack shafts that laterally arrange with input shaft.Fixedly be equipped with the odd number gear driving gear (one, three retaining driving gears) that is used for the transmission of odd number gear on the input shaft in two input shafts; Fixedly be equipped with the even number gear driving gear (two, four retaining driving gears) that is used for the transmission of even number gear on another input shaft.Synchronizer through correspondence on one of them jack shaft on two jack shafts is connected with one, two, three and four retaining driven gears; Synchronizer through correspondence on another jack shaft is connected with five, six retaining and the driven gears that reverse gear.Wherein a retaining driving gear and a retaining driven gear mesh with the driven gear that reverses gear simultaneously; Two retaining driving gears are meshed with two retaining driven gears; Three retaining driving gears and three retaining driven gears and five retaining driven gears mesh simultaneously; Four retaining driving gears and four retaining driven gears and six retaining driven gears mesh simultaneously.Two jack shafts can be selected to be in transmission connection with corresponding driven gear through the corresponding synchronous device as required, and the output terminal of two jack shafts directly is in transmission connection with corresponding differential mechanism.The problem that existing dual-clutch transmission exists is: though four driving gears on two input shafts can realize that through the synchronizer of correspondence six forward gears and one reverses gear; But the output of the gear of this double clutch gearbox does not have the function of height retaining output; Because the operating mode that tractor runs into when work is more, makes existing dual-clutch transmission just can not adapt to this vehicle more special to working condition requirement of tractor.
The model utility content
The purpose of the utility model is to provide a kind of dual-clutch transmission that uses in many retainings tractor of high, medium and low retaining output that has.
In order to address the above problem, the technological scheme of the utility model is:
The dual-clutch transmission that uses in many retaining tractors; Comprise case of transmission; Be provided with the input shaft that two coaxial settings and the output shaft through each self-corresponding clutch and corresponding motor be in transmission connection and two jack shafts that laterally arrange with said input shaft in the case of transmission, wherein fixedly be equipped with the odd number gear driving gear that is used for the transmission of odd number gear on an input shaft; Fixedly be equipped with the even number gear driving gear that is used for the transmission of even number gear on another input shaft; Be set with the driven gear that is in transmission connection with corresponding driving gear and selectively is in transmission connection with corresponding jack shaft through the synchronizer that is provided with on each jack shaft on two jack shafts; Described speed changer also comprises the main output shaft that laterally arranges with said input shaft; Fixedly be equipped with the active force driven gear on the main output shaft; Fixedly be equipped with simultaneously first power output gear and second power output gear on described two jack shafts respectively with said active force driven gear engagement driving; Be connected with high, normal, basic retaining gearshift on the described main output shaft; Described high, normal, basic retaining gearshift comprise the height retaining driving gear that is fixedly installed on the said main output shaft, with the secondary output shaft of the coaxial setting of said main output shaft, and said secondary output shaft the gearshift jack shaft and the idler shaft that reverses gear that laterally arrange; The retaining driven gear and the driven gear that reverses gear in being installed with on the described secondary output shaft; Empty cover is equipped with low retaining driven gear, and the high and low retaining synchronizer that selectable as required and said high retaining driving gear or low retaining driven gear are in transmission connection also is installed on the described secondary output shaft; Be installed with on the described gearshift jack shaft with the height retaining driven gear of said high retaining driving gear engagement driving and with the low retaining driving gear of said low retaining driven gear engagement driving; Empty cover be equipped with reverse gear driving gear and with said in the middle retaining driving gear of retaining driven gear engagement driving; Also be equipped with on the described gearshift jack shaft selectable as required and said in retaining driving gear or the driving gear that reverses gear be in transmission connection in, synchronizer reverses gear; Be installed with respectively the idle pulley that reverses gear that meshes simultaneously with said reverse gear driving gear and the said driven gear that reverses gear on the described idler shaft that reverses gear, also be provided with the driving dynamics output section that is used for the power of speed changer is exported to propons or back axle on the described secondary output shaft.
Input shaft and the coaxial outer input shaft that is sheathed on said interior input shaft periphery in described two input shafts comprise; Described clutch comprises first clutch, second clutch and the three-clutch that coaxial line is set up in parallel, and described interior input shaft is realized being in transmission connection with the output shaft of corresponding motor through second clutch; Described outer input shaft is realized being in transmission connection with the output shaft of corresponding motor through three-clutch; Described speed changer also is included in the load output shaft that coaxial output shaft that wear and through said first clutch and corresponding motor is in transmission connection in the input shaft in said, and said load output shaft is provided with the load power output section that is used for to the respective load outputting power.
The coaxial periphery that is sheathed on said load output shaft of described gearshift jack shaft.
Input shaft and the coaxial outer input shaft that is sheathed on said interior input shaft periphery in described two input shafts comprise; Described driving gear comprise the I, the III that are fixed on the said outer input shaft keep off shared driving gear and V, VII keep off shared driving gear and be fixed on said in VI, VIII on the input shaft keep off shared driving gear and II, IV are kept off shared driving gear; Described two jack shafts are respectively first jack shaft and second jack shaft; Described synchronizer comprises III, VII retaining synchronizer and IV, the VIII retaining synchronizer that is installed on said first jack shaft and is installed on I, V retaining synchronizer and II, the IV retaining synchronizer on said second jack shaft; Described driven gear is included in selectable as required and said III, III retaining driven gear and the VII retaining driven gear that VII retaining synchronizer is in transmission connection and IV retaining driven gear and the VIII that can select as required to be in transmission connection with said IV, VIII retaining synchronizer that the overhead cover of said first jack shaft installs and keeps off driven gear; Described driven gear also is included in the selectable as required and said I of the overhead cover installation of said second jack shaft, I retaining driven gear and V retaining driven gear and II retaining driven gear and the IV retaining driven gear selectable as required and that II, IV retaining synchronizer are in transmission connection that V retaining synchronizer is in transmission connection; Described I retaining driven gear and III retaining driven gear keep off shared driving gear engagement driving with described I, III simultaneously; Described V retaining driven gear and VII retaining driven gear keep off shared driving gear engagement driving with described V, VII simultaneously; Described VI retaining driven gear and VIII retaining driven gear keep off shared driving gear engagement driving with described VI, VIII simultaneously, and described II retaining driven gear and IV retaining driven gear and described II, IV are kept off shared driving gear engagement driving.
Be equipped with the speed probe of rotating speed that is used to detect each corresponding shaft on the case of transmission on described load output shaft, interior input shaft, outer input shaft, first jack shaft, second jack shaft, secondary output shaft and gearshift jack shaft side so that the running state of speed changer is discerned and judged; Described speed changer also comprises the electronic control unit that is connected with said each sensor, and described each clutch all is connected with described electronic control unit controls with corresponding synchronizer.
The beneficial effect of the utility model is: the low retaining of odd-side: high and low retaining synchronizer engages with low retaining driven gear; Through this joint; The moment of torsion of main output shaft through height keep off driving gear, high retaining driven gear is passed to the gearshift jack shaft; Moment of torsion is passed to secondary output shaft via low retaining driving gear, low retaining driven gear, high and low retaining synchronizer then, reaches the propons or the back axle of corresponding tractor at last; Keep off in the odd-side: in, reverse gear synchronizer and middle retaining driving gear engage; Through this joint; The moment of torsion of main output shaft through height keep off driving gear, high retaining driven gear is passed to the gearshift jack shaft; Then moment of torsion via in, the synchronizer that reverses gear, middle retaining driving gear, middle retaining driven gear, be passed to secondary output shaft, reach the propons or the back axle of corresponding tractor at last; The high retaining of odd-side: high and low retaining synchronizer engages with high retaining driving gear; Make high retaining driving gear, high and low retaining synchronizer, secondary output shaft become one; Through this joint; The moment of torsion of main output shaft through height keep off driving gear, high and low retaining synchronizer is passed to secondary output shaft, reaches the propons or the back axle of corresponding tractor at last.Thereby realize the high, medium and low retaining operation of motor,, can satisfy tractor requirement to speed when the different work operating mode through carrying out the handover operation of high, medium and low retaining.
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation;
Fig. 2 is that A among Fig. 1 is to sectional view;
Fig. 3 is that B among Fig. 1 is to sectional view.
Embodiment
The embodiment of the dual-clutch transmission that uses in many retaining tractors is shown in Fig. 1 ~ 3: comprising: clutch device, case of transmission 3 and control system of speed variator.
Clutch device comprises first clutch C1, second clutch C2 and three-clutch C3 that the clutch device input shaft that links to each other with motor 1 bent axle 2 and coaxial line are set up in parallel.
Be provided with speed changer main tank part and secondary box of gearbox part in the case of transmission 3, wherein the speed changer main tank partly comprises outer input shaft 35, interior input shaft 37, load output shaft 18, first jack shaft 6, second jack shaft 26, main output shaft 10.Outer input shaft 35 1 ends are connected with three-clutch C3, and interior input shaft 37 1 ends are connected with second clutch C2, and load output shaft 18 1 ends are connected with clutch C1.Outer input shaft 35, interior input shaft 37 and the rotation of load output shaft 18 coaxial lines.Adopt space parallel to arrange between outer input shaft 35, interior input shaft 37, load output shaft 18 and first jack shaft 6, second jack shaft 26.
Be installed with speed changer main tank I on the outer input shaft 35, III is kept off shared driving gear 36, V, VII are kept off shared driving gear 33.Be installed with speed changer main tank VI on the interior input shaft 37, VIII is kept off shared driving gear 30, II, IV are kept off shared driving gear 28.Load output shaft 18 is provided with the load power output section that is used for to corresponding agricultural machinery and implement even load outputting power; Load output shaft 18 is used for the part of tractor engine power consequently all is delivered to agricultural machinery and implement with the mode of rotating mechanical energy, drives agricultural machinery and implement work.
Be installed with speed changer main tank III, VII retaining synchronizer S1 on first jack shaft 6; IV, VIII retaining synchronizer S2; And first power output gear 11, empty cover is equipped with III retaining driven gear 4, VII retaining driven gear 5, VIII retaining driven gear 7 and IV retaining driven gear 8.III retaining driven gear 4 keeps off shared driving gear 36 engagement driving with I, III; VII retaining driven gear 5 keeps off shared driving gear 33 engagement driving with V, VII; VIII retaining driven gear 7 keeps off shared driving gear 30 engagement driving with VI, VIII, and IV retaining driven gear 8 keeps off shared driving gear 28 engagement driving with II, IV.III, VII retaining synchronizer S1 optionally is delivered to the moment of torsion that III is kept off driven gear 4, VII retaining driven gear 5 on first jack shaft 6.IV, VIII retaining synchronizer S2 optionally is delivered to the moment of torsion that IV is kept off driven gear 8, VIII retaining driven gear 7 on first jack shaft 6.
Be installed with speed changer main tank I, V retaining synchronizer S3 on second jack shaft 26; II, VI retaining synchronizer S4; And second power output gear 27, empty cover is equipped with I retaining driven gear 34, V retaining driven gear 32, VI retaining driven gear 31 and II retaining driven gear 29.Wherein I retaining driven gear 34 keeps off shared driving gear 36 engagement driving with I, III; V retaining driven gear 32 keeps off shared driving gear 33 engagement driving with V, VII; VI retaining driven gear 31 keeps off shared driving gear 30 engagement driving with VI, VIII, and II retaining driven gear 29 II, IV are kept off shared driving gear 28 engagement driving.I, V retaining synchronizer S3 optionally is delivered to the moment of torsion that I is kept off driven gear 34, V retaining driven gear 32 on second jack shaft 26, and II, VI retaining synchronizer S4 optionally are delivered to the moment of torsion that VI is kept off driven gear 31, II retaining driven gear 29 on second jack shaft 26.
Be installed with active force driven gear 9 on the main output shaft 10; This gear simultaneously with first jack shaft 6 on first power output gear 11 and second power output gear, 27 engagements on second jack shaft 26, optionally moment of torsion of each retaining of main tank part is delivered on the main output shaft 10 through respective synchronization device S1, S2, S3, S4.Main output shaft 10 uses as the input shaft of secondary box of gearbox part simultaneously.
Said secondary box of gearbox part; Comprise the high, normal, basic retaining gearshift that is in transmission connection with main output shaft 10, the secondary output shaft 15 and the idler shaft 20 that reverses gear that high, normal, basic retaining gearshift comprises the coaxial gearshift jack shaft 24 that is sheathed on load output shaft 18 peripheries, laterally arranges with inside and outside input shaft.Except that being installed with active force driven gear 9, also be installed with high retaining driving gear 12 on the secondary input shaft 10.During gearshift is installed with on the jack shaft 24, the synchronizer S6 that reverses gear, height retaining driven gear 25, low retaining driving gear 23 with high retaining driving gear 12 engagement driving, retaining driving gear 22 during empty cover is equipped with, driving gear 19 reverses gear.Secondary output shaft 15 be installed with high and low retaining synchronizer S5, with middle retaining driven gear 14, the driven gear 17 that reverses gear, the drive bevel gear 16 of middle retaining driving gear 22 engagement driving, empty cover is equipped with the low retaining driven gear 13 with low retaining driving gear 23 engagement driving.Reversing gear is installed with the idle pulley 21 that reverses gear on the idler shaft 20, reverse gear idle pulley 21 simultaneously and reverse gear driving gear 19 with reverse gear driven gear 17 engagement driving.In, the synchronizer S6 that reverses gear optionally is delivered to the moment of torsion of middle retaining driving gear 22, the driving gear 19 that reverses gear on the gearshift jack shaft 24.High and low retaining synchronizer S5 optionally is delivered to the moment of torsion that height keeps off driving gear 12, low retaining driven gear 13 on the secondary output shaft 15.In other embodiment of the utility model, speed changer main tank part and secondary box of gearbox part can also be divided in two housings.
Control system of speed variator is included in speed probe 38 and other the sensor (not shown) of rotating speed the running state of speed changer is discerned and judged that is used to detect each corresponding shaft that is provided with on the other case of transmission 3 of load output shaft 18, interior input shaft 37, outer input shaft 35, first jack shaft 6, second jack shaft 26, secondary output shaft 15 and gearshift jack shaft 24; Control system of speed variator also comprise the electronic control unit (ECU) 50 that is connected with each speed probe 38, the clutch operation 51 that is connected with each Clutch Control and with each synchronizer control connection select shift control mechanism 52, clutch operation 51 with select shift control mechanism 52 control connections.During work; The sensor (not shown) of each speed probe 33 and other type is discerned the running state of speed changer and is judged; According to the schedule of setting; When the needs gear shift operation, through clutch operation 51 with select shift control mechanism 52 to control the operation of each clutch and each synchronizer gearshift action, realization automatic speed changing respectively.
The main tank of the utility model dual-clutch transmission partly is provided with eight forward gears; Auxillary box part is arranged with basic, normal, high three forward gears and one and reverses gear; Can obtain 8 * (3+1) retainings through the collocation of major and minor case part gear, promptly 24 forward gears, 8 reverse gear, and gear is many; Slewing range is wide, can satisfy the requirement of the various operation operating modes of tractor to speed.Each gear power transmission line of the major and minor case part of speed changer is:
Main tank I retaining: three-clutch C3 engages, and I, V retaining synchronizer S3 and I retaining driven gear 34 engage.Through this joint; Engine torque is passed to outer input shaft 35 through three-clutch C3; Moment of torsion is passed to second jack shaft 26 via I retaining driving gear 36, I retaining driven gear 34, I, V retaining synchronizer S3 then, and final torque is passed to odd-side input shaft 10 (also being main tank output shaft 10 simultaneously) via second power output gear 27, active force driven gear 9.
Main tank II retaining: second clutch C2 engages, and I, V retaining synchronizer S3 and II retaining driven gear 29 engage.Through this joint; Input shaft 37 in Engine torque is passed to through second clutch C2; Moment of torsion is passed to second jack shaft 26 via II retaining driving gear 28, II retaining driven gear 29, I, V retaining synchronizer S3 then, and final torque is passed to odd-side input shaft (also being main output shaft 10 simultaneously) via second power output gear 27, active force driven gear 9.
Main tank III retaining: three-clutch C3 engages, and III, VII retaining synchronizer S1 and III retaining driven gear 4 engage.Through this joint; Engine torque is passed to outer input shaft 35 through three-clutch C3; Moment of torsion is passed to first jack shaft 6 via III retaining driving gear 36, III retaining driven gear 4, III, VII retaining synchronizer S1 then, and final torque is passed to odd-side input shaft (also being main output shaft 10 simultaneously) via first power output gear 11, active force driven gear 9.
Main tank IV retaining: second clutch C2 engages, and IV, VIII retaining synchronizer S2 and IV retaining driven gear 8 engage.Through this joint; Input shaft 37 in Engine torque is passed to through second clutch C2; Moment of torsion is passed to first jack shaft 6 via IV retaining driving gear 28, IV retaining driven gear 8, IV, VIII retaining synchronizer S2 then, and final torque is passed to odd-side input shaft (also being main output shaft 10 simultaneously) via first power output gear 11, active force driven gear 9.
Main tank V retaining: three-clutch C3 engages, and I, V retaining synchronizer S3 and V retaining driven gear 32 engage.Through this joint; Engine torque is passed to outer input shaft 35 through three-clutch C3; Moment of torsion is passed to second jack shaft 26 via V retaining driving gear 33, V retaining driven gear 32, I, V retaining synchronizer S3 then, and final torque is passed to odd-side input shaft (also being main output shaft 10 simultaneously) via second power output gear 27, active force driven gear 9.
Main tank VI retaining: second clutch C2 engages, and II, VI retaining synchronizer S4 and VI retaining driven gear 31 engage.Through this joint; Input shaft 37 in Engine torque is passed to through second clutch C2; Moment of torsion is passed to second jack shaft 26 via VI retaining driving gear 30, VI retaining driven gear 31, II, VI retaining synchronizer S4 then, and final torque is passed to odd-side input shaft (also being main output shaft 10 simultaneously) via second power output gear 27, active force driven gear 9.
Main tank VII retaining: three-clutch C3 engages, and III, VII retaining synchronizer S1 and VII retaining driven gear 5 engage.Through this joint; Engine torque is passed to outer input shaft 35 through three-clutch C3; Moment of torsion is passed to first jack shaft 6 via VII retaining driving gear 33, VII retaining driven gear 5, III, VII retaining synchronizer S1 then, and final torque is passed to odd-side input shaft (also being main output shaft 10 simultaneously) via first power output gear 11, active force driven gear 9.
Main tank VIII retaining: second clutch C2 engages, and IV, VIII retaining synchronizer S2 and VIII retaining driven gear 7 engage.Through this joint; Input shaft 37 in Engine torque is passed to through second clutch C2; Moment of torsion is passed to first jack shaft 6 via VIII retaining driving gear 30, IV retaining driven gear 7, IV, VIII retaining synchronizer S2 then, and final torque is passed to odd-side input shaft (also being main output shaft 10 simultaneously) via first power output gear 11, active force driven gear 9.
The low retaining of odd-side: high and low retaining synchronizer S5 engages with low retaining driven gear 13.Through this joint; The moment of torsion of main tank is passed to gearshift jack shaft 24 via odd-side input shaft (also being main output shaft 10 simultaneously), high retaining driving gear 12, high retaining driven gear 25; Moment of torsion is passed to secondary output shaft 15 via low retaining driving gear 23, low retaining driven gear 13, high and low retaining synchronizer S5 then; Final torque is passed to back axle through drive bevel gear 16, perhaps is passed to propons through the driven gear 17 that reverses gear.
Keep off in the odd-side: in, synchronizer S6 and the middle retaining driving gear 22 that reverse gear engage.Through this joint; The moment of torsion of main tank is passed to gearshift jack shaft 24 via odd-side input shaft (also being main output shaft 10 simultaneously), high retaining driving gear 12, high retaining driven gear 25; Then moment of torsion via in, the synchronizer S6 that reverses gear, middle retaining driving gear 22, middle retaining driven gear 14, be passed to secondary output shaft 15; Final torque is passed to back axle through drive bevel gear 16, perhaps is passed to propons through the driven gear 17 that reverses gear.
The high retaining of odd-side: high and low retaining synchronizer S5 engages with high retaining driving gear 12, makes high retaining driving gear 12, high and low retaining synchronizer S5, secondary output shaft 15 become one.Through this joint; The moment of torsion of main tank is passed to secondary output shaft 15 via odd-side input shaft (also being main output shaft 10 simultaneously), high retaining driving gear 12, high and low retaining synchronizer S5; Final torque is passed to back axle through drive bevel gear 16, perhaps is passed to propons through the driven gear 17 that reverses gear.
Odd-side reverses gear: in, reverse gear synchronizer S6 and the driving gear 19 of reversing gear engage.Through this joint; The moment of torsion of main tank is passed to gearshift jack shaft 24 via odd-side input shaft (also being main output shaft 10 simultaneously), high retaining driving gear 12, high retaining driven gear 25; Then moment of torsion via in, the synchronizer S6 that reverses gear, the driving gear 19 that reverses gear, the idle pulley 21 that reverses gear, the driven gear 17 that reverses gear be passed to secondary output shaft 15; Final torque is passed to back axle through drive bevel gear 16, perhaps is passed to propons through the driven gear 17 that reverses gear.
Claims (5)
1. keep off the dual-clutch transmission that uses in the tractor more; Comprise case of transmission; Be provided with the input shaft that two coaxial settings and the output shaft through each self-corresponding clutch and corresponding motor be in transmission connection and two jack shafts that laterally arrange with said input shaft in the case of transmission, wherein fixedly be equipped with the odd number gear driving gear that is used for the transmission of odd number gear on an input shaft; Fixedly be equipped with the even number gear driving gear that is used for the transmission of even number gear on another input shaft; Be set with the driven gear that is in transmission connection with corresponding driving gear and selectively is in transmission connection with corresponding jack shaft through the synchronizer that is provided with on each jack shaft on two jack shafts; It is characterized in that: described speed changer also comprises the main output shaft that laterally arranges with said input shaft; Fixedly be equipped with the active force driven gear on the main output shaft; Fixedly be equipped with simultaneously first power output gear and second power output gear on described two jack shafts respectively with said active force driven gear engagement driving; Be connected with high, normal, basic retaining gearshift on the described main output shaft; Described high, normal, basic retaining gearshift comprise the height retaining driving gear that is fixedly installed on the said main output shaft, with the secondary output shaft of the coaxial setting of said main output shaft, and said secondary output shaft the gearshift jack shaft and the idler shaft that reverses gear that laterally arrange; The retaining driven gear and the driven gear that reverses gear in being installed with on the described secondary output shaft; Empty cover is equipped with low retaining driven gear, and the high and low retaining synchronizer that selectable as required and said high retaining driving gear or low retaining driven gear are in transmission connection also is installed on the described secondary output shaft; Be installed with on the described gearshift jack shaft with the height retaining driven gear of said high retaining driving gear engagement driving and with the low retaining driving gear of said low retaining driven gear engagement driving; Empty cover be equipped with reverse gear driving gear and with said in the middle retaining driving gear of retaining driven gear engagement driving; Also be equipped with on the described gearshift jack shaft can select as required with said in retaining driving gear or the driving gear that reverses gear be in transmission connection in, synchronizer reverses gear; Be installed with respectively the idle pulley that reverses gear that meshes simultaneously with said reverse gear driving gear and the said driven gear that reverses gear on the described idler shaft that reverses gear, also be provided with the driving dynamics output section that is used for the power of speed changer is exported to propons or back axle on the described secondary output shaft.
2. dual-clutch transmission according to claim 1; It is characterized in that: input shaft and the coaxial outer input shaft that is sheathed on said interior input shaft periphery in described two input shafts comprise; Described clutch comprises first clutch, second clutch and the three-clutch that coaxial line is set up in parallel, and described interior input shaft is realized being in transmission connection with the output shaft of corresponding motor through second clutch; Described outer input shaft is realized being in transmission connection with the output shaft of corresponding motor through three-clutch; Described speed changer also comprise with said in coaxial output shaft that wear and through said first clutch and corresponding motor is in transmission connection in the input shaft load output shaft, said load output shaft is provided with the load power output section that is used for to the respective load outputting power.
3. dual-clutch transmission according to claim 2 is characterized in that: the coaxial periphery that is sheathed on said load output shaft of described gearshift jack shaft.
4. dual-clutch transmission according to claim 1; It is characterized in that: input shaft and the coaxial outer input shaft that is sheathed on said interior input shaft periphery in described two input shafts comprise; Described driving gear comprise the I, the III that are fixed on the said outer input shaft keep off shared driving gear and V, VII keep off shared driving gear and be fixed on said in VI, VIII on the input shaft keep off shared driving gear and II, IV are kept off shared driving gear; Described two jack shafts are respectively first jack shaft and second jack shaft; Described synchronizer comprises III, VII retaining synchronizer and IV, the VIII retaining synchronizer that is installed on said first jack shaft and is installed on I, V retaining synchronizer and II, the IV retaining synchronizer on said second jack shaft; Described driven gear is included in that IV that selectable as required and said III that the overhead cover of said first jack shaft installs, III retaining driven gear that VII retaining synchronizer is in transmission connection and VII retaining driven gear and selectable as required and said IV, VIII retaining synchronizer be in transmission connection is kept off driven gear and VIII is kept off driven gear; Described driven gear also is included in the selectable as required and said I of the overhead cover installation of said second jack shaft, I retaining driven gear and V retaining driven gear and II retaining driven gear and the IV retaining driven gear selectable as required and that II, IV retaining synchronizer are in transmission connection that V retaining synchronizer is in transmission connection; Described I retaining driven gear and III retaining driven gear keep off shared driving gear engagement driving with described I, III simultaneously; Described V retaining driven gear and VII retaining driven gear keep off shared driving gear engagement driving with described V, VII simultaneously; Described VI retaining driven gear and VIII retaining driven gear keep off shared driving gear engagement driving with described VI, VIII simultaneously, and described II retaining driven gear and IV retaining driven gear and described II, IV are kept off shared driving gear engagement driving.
5. dual-clutch transmission according to claim 4; It is characterized in that: be equipped with the speed probe of rotating speed that is used to detect each corresponding shaft on the case of transmission on described load output shaft, interior input shaft, outer input shaft, first jack shaft, second jack shaft, secondary output shaft and gearshift jack shaft side so that the running state of speed changer is discerned and judged; Described speed changer also comprises the electronic control unit that is connected with said each sensor, and described each clutch all is connected with described electronic control unit controls with corresponding synchronizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205084912U CN202349117U (en) | 2011-12-08 | 2011-12-08 | Dual-clutch transmission for multi-gear tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205084912U CN202349117U (en) | 2011-12-08 | 2011-12-08 | Dual-clutch transmission for multi-gear tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202349117U true CN202349117U (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205084912U Withdrawn - After Issue CN202349117U (en) | 2011-12-08 | 2011-12-08 | Dual-clutch transmission for multi-gear tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202349117U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678842A (en) * | 2011-12-08 | 2012-09-19 | 河南科技大学 | Double clutch transmission for multi-gear tractor |
| CN106704497A (en) * | 2016-11-17 | 2017-05-24 | 河南科技大学 | Double-clutch transmission used in multi-gear tractor |
-
2011
- 2011-12-08 CN CN2011205084912U patent/CN202349117U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678842A (en) * | 2011-12-08 | 2012-09-19 | 河南科技大学 | Double clutch transmission for multi-gear tractor |
| CN102678842B (en) * | 2011-12-08 | 2014-08-13 | 河南科技大学 | Double clutch transmission for multi-gear tractor |
| CN106704497A (en) * | 2016-11-17 | 2017-05-24 | 河南科技大学 | Double-clutch transmission used in multi-gear tractor |
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