CN202349119U - Double-clutch transmission for tractor - Google Patents
Double-clutch transmission for tractor Download PDFInfo
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- CN202349119U CN202349119U CN2011205084927U CN201120508492U CN202349119U CN 202349119 U CN202349119 U CN 202349119U CN 2011205084927 U CN2011205084927 U CN 2011205084927U CN 201120508492 U CN201120508492 U CN 201120508492U CN 202349119 U CN202349119 U CN 202349119U
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 35
- 239000000523 sample Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
本实用新型涉及一种用于拖拉机的双离合器变速器，包括输入轴、中间轴及与中间轴传动连接的主输出轴，主输出轴上传动连接有高低挡换挡机构，高低挡换挡机构包括高、低挡同步锥齿轮、副输出轴和行星齿轮机构；一个同步锥齿轮固连于变速器壳体上，另一个同步锥齿轮固连于副输出轴上，行星齿轮机构包括行星架、行星轮及太阳轮和内齿圈，太阳轮与主输出轴同轴固连，高低挡换挡机构还包括与内齿圈固连并可根据需要可选择的与高或低挡同步锥齿轮传动连接的高低挡同步器，副输出轴上设有用于将变速器的动力向外输出的行驶动力输出段。本实用新型提供了一种具有高、低挡输出的用于拖拉机的双离合器变速器，可满足拖拉机在不同作业工况时对速度的要求。
The utility model relates to a dual-clutch transmission for tractors, which comprises an input shaft, an intermediate shaft and a main output shaft connected to the intermediate shaft. The main output shaft is connected with a high-low gear shifting mechanism. The high-low gear shifting mechanism includes High and low gear synchronous bevel gears, auxiliary output shaft and planetary gear mechanism; one synchronous bevel gear is fixedly connected to the transmission case, the other synchronous bevel gear is fixedly connected to the auxiliary output shaft, and the planetary gear mechanism includes planet carrier, planetary gear And the sun gear and the inner ring gear, the sun gear is fixedly connected with the main output shaft coaxially, and the high-low gear shift mechanism also includes a gear that is fixedly connected with the inner ring gear and can be optionally connected with the high-speed or low-speed synchronous bevel gear transmission according to the needs. The high and low gear synchronizer, the auxiliary output shaft is provided with a driving power output section for outputting the power of the transmission to the outside. The utility model provides a double-clutch transmission for a tractor with high and low gear outputs, which can meet the speed requirements of the tractor in different working conditions.
Description
Technical field
The utility model relates to the speed changer technical field, relates in particular to a kind of dual-clutch transmission that is used for tractor.
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 various operating modes that tractor runs into when work are more, make 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 is used for tractor with high and low retaining output.
In order to address the above problem, the technological scheme of the utility model is:
The dual-clutch transmission that is used for tractor; 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 height on the described main output shaft and keep off gearshift; Described height retaining gearshift comprise the synchronous bevel gear of high retaining, the synchronous bevel gear of low retaining, with the secondary output shaft of the coaxial setting of said main output shaft and and the planetary gears that is in transmission connection of said secondary output shaft, one of them the synchronous bevel gear in the synchronous bevel gear of said high and low retaining is fixed on the described case of transmission; Another synchronous bevel gear is coaxial to be fixed on the described secondary output shaft; Described planetary gears comprises with the planet carrier of said secondary output shaft fixed connection, rotate the planet wheel that is assemblied on the planet carrier and respectively with the sun gear and the ring gear of said planet wheel engagement driving; Described sun gear is connected with described main output shaft is coaxial; Described height retaining gearshift also comprises the height retaining synchronizer that is connected and can selects as required to be connected with said high synchronous bevel gear of retaining or the synchronous bevel gear drive of low retaining with said ring gear, also is 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.
Described high retaining synchronous bevel gear and coaxial being connected of described secondary output shaft; Synchronous bevel gear is fixed on the described case of transmission described low retaining; Described driving dynamics output section is provided with and is used for the drive bevel gear that the back axle with corresponding tractor is in transmission connection, and is fixed with the power that is used for speed changer on the synchronous bevel gear of described high retaining and exports the propons driving gear on the propons of corresponding tractor to.
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 IV, VI on the input shaft keep off shared driving gear and II, shared driving gear reverses gear; Described two jack shafts are respectively first jack shaft and second jack shaft; Described synchronizer comprise the III that is installed on said first jack shaft, VII retaining synchronizer and II, VI retaining synchronizer and be installed on I, V retaining synchronizer and IV on said second jack shaft, synchronizer reverses gear; Described driven gear is included in that II 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 II, VI retaining synchronizer be in transmission connection is kept off driven gear and VI 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 selectable as required and the IV retaining driven gear that IV, the synchronizer that reverses gear are in transmission connection and the driven gear that reverses gear 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 IV retaining driven gear and VI retaining driven gear keep off shared driving gear engagement driving with described IV, VI simultaneously, described II retaining driven gear and described II, the shared driving gear engagement driving of reversing gear.
Described II retaining driven gear and the described driven gear engagement driving of reversing gear.
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 and secondary output 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: when tractor need hang down the retaining operation; Height keeps off synchronizer and engages with the synchronous bevel gear of low retaining; Through this joint; The moment of torsion of one of them jack shaft is passed to secondary output shaft via main output shaft, sun gear, planet wheel, planet carrier in two jack shafts, is passed to the propons or the back axle of corresponding tractor at last, thereby realizes the low retaining operation of motor; When tractor needs high retaining to move; Height keeps off synchronizer and engages with the synchronous bevel gear of high retaining; Through this joint; The moment of torsion of one of them jack shaft is passed to secondary output shaft via main output shaft, sun gear, planet wheel, planet carrier in two jack shafts, is passed to the propons or the back axle of corresponding tractor at last, thereby realizes the height retaining operation of motor.Through carrying out the handover operation of height retaining, can satisfy tractor requirement to speed when the different work operating mode.
Further, when tractor reversed gear operation, II retaining driven gear used as the idle pulley that reverses gear simultaneously, has saved the layout of the reverse gear idle pulley and the idler shaft that reverses gear, and made structure compact more, had reduced amount of parts, saved fabricating cost, had reduced installation difficulty.
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation;
Fig. 2 is that A-A among Fig. 1 is to sectional view.
Embodiment
The embodiment of dual-clutch transmission who is used for tractor is shown in Fig. 1 ~ 2: comprise clutch device, case of transmission 3, control system of speed variator.
Clutch device comprises first clutch C1, second clutch C2, the three-clutch C3 that the clutch device input shaft 2 that links to each other with motor 1 bent axle 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, speed changer main tank part comprises outer input shaft 30, interior input shaft 32, load output shaft 19, first jack shaft 6, second jack shaft 22, main output shaft 10.Outer input shaft 30 1 ends are connected with three-clutch C3, and interior input shaft 32 1 ends are connected with second clutch C2, and load output shaft 19 1 ends are connected with clutch first clutch C1.Outer input shaft 30, interior input shaft 32 and the rotation of load output shaft 19 coaxial lines.Adopt space parallel to arrange between outer input shaft 30, interior input shaft 32, load output shaft 19 and first jack shaft 6, second jack shaft 22.
Be installed with I on the outer input shaft 30, III is kept off shared driving gear 31, V, VII are kept off shared driving gear 28.Be installed with IV on the interior input shaft 32, VI is kept off shared driving gear 25, II, shared driving gear 21 reverses gear.Load output shaft 19 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 19 is used for the part of tractor engine power consequently all is delivered to the agricultural machinery and implement even load with the mode of rotating mechanical energy, drives agricultural machinery and implement work.
Be installed with III, VII retaining synchronizer S1 on first jack shaft 6; II, VI retaining synchronizer S2; And first power output gear 20 that is used for the output of main tank power, empty cover is equipped with III retaining driven gear 4, VII retaining driven gear 5, VI retaining driven gear 7, II retaining driven gear 8.III retaining driven gear 4 keeps off shared driving gear 31 engagement driving with I, III; VII retaining driven gear 5 keeps off shared driving gear 28 engagement driving with V, VII; VI retaining driven gear 7 keeps off shared driving gear 25 engagement driving with IV, VI, II retaining driven gear 8 and II, shared driving gear 21 engagement driving of reversing gear.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.II, VI retaining synchronizer S2 optionally is delivered to the moment of torsion that II is kept off driven gear 8, VI retaining driven gear 7 on first jack shaft 6.
Be installed with I, V retaining synchronizer S3 on second jack shaft 22; IV, synchronizer S4 reverses gear; And second power output gear 23 that is used for the output of main tank power, empty cover is equipped with I retaining driven gear 29, V retaining driven gear 27, IV retaining driven gear 26, driven gear 24 reverses gear.Wherein I retaining driven gear 29 keeps off shared driving gear 31 engagement driving with I, III; V retaining driven gear 27 keeps off shared driving gear 28 engagement driving with V, VII; IV retaining driven gear 26 keeps off shared driving gear 25 engagement driving with IV, VI; Reverse gear driven gear 24 and II retaining driven gear 8 engagement driving.I, V retaining synchronizer S3 optionally is delivered to the moment of torsion that I is kept off driven gear 29, V retaining driven gear 27 on second jack shaft 22, IV, reverse gear synchronizer S4 optionally with IV keep off driven gear 26, the moment of torsion of the driven gear 24 that reverses gear is delivered on second jack shaft 22.II retaining driven gear 8 uses as the idle pulley that reverses gear simultaneously, has saved the layout of the reverse gear idler shaft and the idle pulley that reverses gear, and makes structure compact more, has reduced amount of parts.Certainly in other embodiment of the utility model, also can adopt the form of arranging the reverse gear idler shaft and the idle pulley that reverses gear to realize the operation of reversing gear of speed changer.
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 20 and second power output gear, 23 engagements on second jack shaft 22, optionally moment of torsion of each retaining of main tank is delivered on the main output shaft 10 through synchronizer S1, S2, S3, S4.Main output shaft 10 uses as the input shaft of secondary box of gearbox part simultaneously.
The secondary box of gearbox part; Comprise the height retaining gearshift that is in transmission connection with main output shaft 10, the height gearshift comprises that sun gear 11, planet wheel 17, planet carrier 16, ring gear 18, the height of planetary gears keep off synchronizer S5, secondary output shaft 14, the high synchronous bevel gear of retaining and the synchronous bevel gear 12 of low retaining.Sun gear 11 coaxial being fixedly mounted on the odd-side input shaft.Be installed with planet carrier 16 on the secondary output shaft 14, 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 secondary output shaft.Be equipped with on the driving dynamics output section with power reach propons 53 driving gear 15 (be installed with on it high retaining synchronous bevel gear), output power to the drive bevel gear 13 of back axle 54.Ring gear 18 keeps off synchronizer S5 with height and is fixed into a rigid unitary.The synchronous bevel gear 12 of low retaining is connected on the case of transmission 3 through certain device, and the synchronous bevel gear of high retaining is fixed together with the driving gear 15 that power is reached propons 53.Height keeps off synchronizer S5 and optionally the transmission of power of odd-side input shaft 10 is arrived secondary output shaft 14.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 be included in rotating speed that being used to of being provided with on the other case of transmission 3 of load output shaft 19, interior input shaft 32, outer input shaft 30, first jack shaft 6, second jack shaft 22 and secondary output shaft 14 detect each corresponding shaft with the running state of speed changer is discerned with the speed probe of judging 33, the electronic control unit (ECU) 50 that is connected with each speed probe 33, 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 and 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, electronic control unit (ECU) 50 sends instruction; 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 speed changer main tank of the utility model dual-clutch transmission comprises that partly seven forward gears and one reverses gear; Secondary box of gearbox partly comprises high and low two retainings; Can obtain (7+1) * 2 retaining through the major and minor case part of speed changer gear collocation, promptly 14 forward gears, 2 reverse gear.Gear is more, can satisfy the requirement of tractor different work operating mode to speed, and 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 29 engage.Through this joint; Engine torque is passed to outer input shaft 30 through three-clutch C3; Moment of torsion keeps off shared driving gear 31, I retaining driven gear 29, I, V retaining synchronizer S3 via I, III and is passed to second jack shaft 22 then, and final torque is passed to odd-side input shaft (also being main output shaft 10 simultaneously) via second power output gear 23, active force driven gear 9.
Main tank II retaining: second clutch C2 engages, and II, VI retaining synchronizer S2 and II retaining driven gear 8 engage.Through this joint; Input shaft 32 in Engine torque is passed to through second clutch C2; Moment of torsion is passed to first jack shaft 6 via II, the shared driving gear 21 that reverses gear, II retaining driven gear 8, II, VI 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 20, 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 30 through three-clutch C3; Moment of torsion keeps off shared driving gear 31, III retaining driven gear 4, III, VII retaining synchronizer S1 via I, III and is passed to first jack shaft 6 then, and final torque is passed to odd-side input shaft (also being main output shaft 10 simultaneously) via first power output gear 20, active force driven gear 9.
Main tank IV retaining: second clutch C2 engages, and IV, reverse gear synchronizer S4 and IV retaining driven gear 26 engage.Through this joint; Input shaft 32 in Engine torque is passed to through second clutch C2; Moment of torsion keeps off shared driving gear 25, IV retaining driven gear 26, IV, the synchronizer S4 that reverses gear via IV, VI and is passed to second jack shaft 22 then, and final torque is passed to odd-side input shaft (also being main output shaft 10 simultaneously) via second power output gear 23, active force driven gear 9.
Main tank V retaining: three-clutch C3 engages, and I, V retaining synchronizer S3 and V retaining driven gear 27 engage.Through this joint; Engine torque is passed to outer input shaft 30 through three-clutch C3; Moment of torsion keeps off shared driving gear 28, V retaining driven gear 27, I, V retaining synchronizer S3 via V, VII and is passed to second jack shaft 22 then, and final torque is passed to odd-side input shaft (also being main output shaft 10 simultaneously) via second power output gear 23, active force driven gear 9.
Main tank VI retaining: second clutch C2 engages, and II, VI retaining synchronizer S2 and VI retaining driven gear 7 engage.Through this joint; Input shaft 32 in Engine torque is passed to through second clutch C2; Moment of torsion keeps off shared driving gear 25, VI retaining driven gear 7, II, VI retaining synchronizer S2 via IV, VI and is passed to first jack shaft 6 then, and final torque is passed to odd-side input shaft (also being main output shaft 10 simultaneously) via first power output gear 20, 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 30 through clutch C3; Moment of torsion keeps off shared driving gear 28, VII retaining driven gear 5, synchronizer S1 via V, VII and is passed to first jack shaft 6 then, and final torque is passed to odd-side input shaft (also being main output shaft 10 simultaneously) via first power output gear 20, active force driven gear 9.
Main tank reverses gear: second clutch C2 engages, and IV, reverse gear synchronizer S4 and the driven gear 24 that reverses gear engage.Through this joint; Input shaft 32 in Engine torque is passed to through clutch C2; Moment of torsion is passed to second jack shaft 22 via II, the shared driving gear 21 that reverses gear, the idle pulley that reverses gear (simultaneously as II retaining driven gear 8), the driven gear 24 that reverses gear, IV, the synchronizer S4 that reverses gear then, and final torque is passed to odd-side input shaft (also being main output shaft 10 simultaneously) via second power output gear 23, active force driven gear 9.
The low retaining of odd-side: height keeps off synchronizer S5 and engages ring gear 18 lockings of planetary gears with the synchronous bevel gear 12 of low retaining.Through this joint; The moment of torsion of main tank part is passed to secondary output shaft 14 via odd-side input shaft (also being main output shaft 10 simultaneously), sun gear 11, planet wheel 17, planet carrier 16; Final torque is passed to back axle 54 through drive bevel gear 13, perhaps is passed to propons 53 through driving gear 15.
The high retaining of odd-side: height keeps off synchronizer S5 and engages with the synchronous bevel gear 15 of high retaining, make the synchronous bevel gear of high retaining 15, height keep off synchronizer S5, secondary output shaft 14, planet carrier 17, ring gear 18 and become one, thereby whole planetary gears is an integral body.Through this joint; The moment of torsion of main tank part is passed to secondary output shaft 14 via odd-side input shaft (also being main output shaft 10 simultaneously), planetary gears; Final torque is passed to back axle 54 through drive bevel gear 13, perhaps is passed to propons 53 through driving gear 15.
Claims (6)
1. the dual-clutch transmission that is used for tractor; 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 height on the described main output shaft and keep off gearshift; Described height retaining gearshift comprise the synchronous bevel gear of high retaining, the synchronous bevel gear of low retaining, with the secondary output shaft of the coaxial setting of said main output shaft and and the planetary gears that is in transmission connection of said secondary output shaft, one of them the synchronous bevel gear in the synchronous bevel gear of said high and low retaining is fixed on the described case of transmission; Another synchronous bevel gear is coaxial to be fixed on the described secondary output shaft; Described planetary gears comprises with the planet carrier of said secondary output shaft fixed connection, rotate the planet wheel that is assemblied on the planet carrier and respectively with the sun gear and the ring gear of said planet wheel engagement driving; Described sun gear is connected with described main output shaft is coaxial; Described height retaining gearshift also comprises the height retaining synchronizer that is connected and can selects as required to be connected with said high synchronous bevel gear of retaining or the synchronous bevel gear drive of low retaining with said ring gear, also is 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 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.
3. dual-clutch transmission according to claim 1; It is characterized in that: described high retaining synchronous bevel gear and coaxial being connected of described secondary output shaft; Synchronous bevel gear is fixed on the described case of transmission described low retaining; Described driving dynamics output section is provided with and is used for the drive bevel gear that the back axle with corresponding tractor is in transmission connection, and is fixed with the power that is used for speed changer on the synchronous bevel gear of described high retaining and exports the propons driving gear on the propons of corresponding tractor to.
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 IV, VI on the input shaft keep off shared driving gear and II, shared driving gear reverses gear; Described two jack shafts are respectively first jack shaft and second jack shaft; Described synchronizer comprise the III that is installed on said first jack shaft, VII retaining synchronizer and II, VI retaining synchronizer and be installed on I, V retaining synchronizer and IV on said second jack shaft, synchronizer reverses gear; Described driven gear is included in that II 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 II, VI retaining synchronizer be in transmission connection is kept off driven gear and VI 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 selectable as required and the IV retaining driven gear that IV, the synchronizer that reverses gear are in transmission connection and the driven gear that reverses gear 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 IV retaining driven gear and VI retaining driven gear keep off shared driving gear engagement driving with described IV, VI simultaneously, described II retaining driven gear and described II, the shared driving gear engagement driving of reversing gear.
5. dual-clutch transmission according to claim 4 is characterized in that: described II retaining driven gear and the described driven gear engagement driving of reversing gear.
6. 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 and secondary output 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 |
|---|---|---|---|
| CN2011205084927U CN202349119U (en) | 2011-12-08 | 2011-12-08 | Double-clutch transmission for tractor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205084927U CN202349119U (en) | 2011-12-08 | 2011-12-08 | Double-clutch transmission for tractor |
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| CN202349119U true CN202349119U (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011205084927U Expired - Lifetime CN202349119U (en) | 2011-12-08 | 2011-12-08 | Double-clutch transmission for tractor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678847A (en) * | 2011-12-08 | 2012-09-19 | 河南科技大学 | Dual-clutch transmission for tractor |
| CN103256351A (en) * | 2013-04-28 | 2013-08-21 | 河南科技大学 | Multi-clutch speed variator |
| CN103256346A (en) * | 2013-04-28 | 2013-08-21 | 河南科技大学 | Planet row convergence type multi-clutch speed changer |
| CN103256350A (en) * | 2013-04-28 | 2013-08-21 | 河南科技大学 | Multi-gear multi-clutch speed changer |
| CN109764117A (en) * | 2018-11-10 | 2019-05-17 | 浙江海天机械有限公司 | A kind of tractor dynamic power shift clutch assembly |
| CN111396528A (en) * | 2020-03-18 | 2020-07-10 | 洛阳拖拉机研究所有限公司 | Multi-stage automatic stepless speed changing box for tractor |
| CN112455217A (en) * | 2020-12-19 | 2021-03-09 | 浙江海天机械有限公司 | High-power tractor transmission system |
-
2011
- 2011-12-08 CN CN2011205084927U patent/CN202349119U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678847A (en) * | 2011-12-08 | 2012-09-19 | 河南科技大学 | Dual-clutch transmission for tractor |
| CN102678847B (en) * | 2011-12-08 | 2013-07-31 | 河南科技大学 | Dual-clutch transmission for tractor |
| CN103256351A (en) * | 2013-04-28 | 2013-08-21 | 河南科技大学 | Multi-clutch speed variator |
| CN103256346A (en) * | 2013-04-28 | 2013-08-21 | 河南科技大学 | Planet row convergence type multi-clutch speed changer |
| CN103256350A (en) * | 2013-04-28 | 2013-08-21 | 河南科技大学 | Multi-gear multi-clutch speed changer |
| CN109764117A (en) * | 2018-11-10 | 2019-05-17 | 浙江海天机械有限公司 | A kind of tractor dynamic power shift clutch assembly |
| CN111396528A (en) * | 2020-03-18 | 2020-07-10 | 洛阳拖拉机研究所有限公司 | Multi-stage automatic stepless speed changing box for tractor |
| CN111396528B (en) * | 2020-03-18 | 2024-04-09 | 洛阳拖拉机研究所有限公司 | Multi-section automatic stepless speed changing box for tractor |
| CN112455217A (en) * | 2020-12-19 | 2021-03-09 | 浙江海天机械有限公司 | High-power tractor transmission system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120725 Effective date of abandoning: 20130731 |
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| RGAV | Abandon patent right to avoid regrant |