CN102808905A - Dual-middle-shaft all synchromesh ten-gear transmission - Google Patents
Dual-middle-shaft all synchromesh ten-gear transmission Download PDFInfo
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- CN102808905A CN102808905A CN2012102952005A CN201210295200A CN102808905A CN 102808905 A CN102808905 A CN 102808905A CN 2012102952005 A CN2012102952005 A CN 2012102952005A CN 201210295200 A CN201210295200 A CN 201210295200A CN 102808905 A CN102808905 A CN 102808905A
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Abstract
The invention discloses a dual-middle-shaft all synchromesh ten-gear transmission, which has a two-segment structure consisting of a main tank and an auxiliary tank, wherein a main transmission is arranged in the main tank; an auxiliary transmission is arranged in the auxiliary tank; the main transmission is provided with five forward gears and a reverse gear, and the auxiliary transmission is provided with two gears, so that a 5*2 structure is constructed, and ten forward gears and two reverse gears are formed; the main transmission comprises an input mechanism and a speed change mechanism; the input mechanism comprises an input shaft and two auxiliary shafts; the two auxiliary shafts are parallel to a main shaft, and are arranged on both sides of the main shaft at 180 degrees; an idler wheel is meshed with reverse gears of the auxiliary shafts; the auxiliary transmission comprises an auxiliary tank planet mechanism which is connected with the main shaft through a spline; the output end of the auxiliary tank planet mechanism is provided with an auxiliary tank lock ring synchromesh; and a main shaft gear is positioned axially through a spline separation blade. In the design, the entire set of device has the advantages of simple structure, reliable connection, flexible shifting, high generality, convenience for loading in series, high assembling property, full adaptability to the requirements of users and wide market prospect.
Description
Technical field
The present invention is a kind of pair of full synchronizer ten shift transmissions of jack shaft.
Background technique
The speed changer of two jack shaft structures has advantages such as compact structure, transmitting torque is big, the life-span is long, is widely used in medium and heavy truck.At present, the gearshift of two jack shaft structure speed changer main tank great majority use sliding sleeve, the sliding sleeve gearshift makes that gearshift is difficult, driver's driving technology is had relatively high expectations; Simultaneously, the main shaft assembly position structure of use is the axially locating that realizes main shaft assembly through bearing, and part is more, and price is high, and assembling is complicated.
Summary of the invention
The present invention is directed to the deficiency of existing technology, provide a kind of and can satisfy full synchronizer ten shift transmissions of two jack shafts that the big bearing capacity of heavy motor truck, good fuel economy and low noise require, the present technique scheme is particularly suitable for road vehicle.
The present invention realizes through following technical measures: full synchronizer ten shift transmissions of two jack shafts, and the two-part structure by main tank and odd-side constitute has basic trnasmission in the main tank; Auxiliary transmission is arranged in the odd-side, and basic trnasmission has five forward and one to reverse gear, and auxiliary transmission has two gears; Constitute 5 * 2 structures; Form ten advance gear and two and reverse gear, said basic trnasmission comprises input mechanism and gear, and input mechanism comprises input shaft and two countershafts;
Said gear comprises main shaft, idle pulley, be connected with main spindle multiple spline and the main shaft gearshift self energizing effort pin-type synchronizer that can horizontally slip along main shaft, the countershaft shift gear that is connected with the long flat key of countershaft and with the main shaft main shaft shift gear that the self energizing effort pin-type synchronizer cooperates of shifting gears;
Said countershaft shift gear comprises countershaft first gear, countershaft second gear, countershaft three retaining gears, countershaft four retaining gears, countershaft five retaining gear and countershaft reverse gears; Said main shaft shift gear comprises main shaft first gear, main shaft second gear, main shaft three retaining gears, main shaft four retaining gears, main shaft five retaining gear and main shaft reverse gears; Main shaft gearshift self energizing effort pin-type synchronizer have three and be distributed on the main shaft first gear and the main shaft reverse gear between, between two main shafts, the three retaining gears and between the four main five retaining gears, the engaging tooth of main shaft gearshift self energizing effort pin-type synchronizer can be meshed with corresponding main shaft shift gear at the end of travel that horizontally slips;
Two countershafts are parallel to main shaft and are the both sides that 180 degree are separately positioned on main shaft each other, and idle pulley is meshed with the countershaft reverse gear; Said auxiliary transmission comprises the odd-side planetary mechanism that is connected with main spindle multiple spline, and odd-side planetary mechanism output terminal is provided with odd-side lock ring type synchronizer;
Said main shaft shift gear is through spline catch axially locating.
Concrete characteristics of the present invention also have, and above-mentioned auxiliary transmission comprises gearshift synchronizer, sun gear, planet wheel and gear ring, and the main shaft of said basic trnasmission is connected with the sun gear of auxiliary transmission through spline.
Concrete characteristics of the present invention also have; The mounting point of above-mentioned spline catch is: main shaft reverse gear both sides; Main shaft first gear right side; Between main shaft first gear and the main shaft second gear, between main shaft second gear left side, main shaft three retaining gear right sides, main shaft three retaining gears and the main shaft four retaining gears, main shaft four retaining gear left sides.
Concrete characteristics of the present invention also have, and above-mentioned self energizing effort pin-type synchronizer links to each other with external splines on the main shaft through internal spline, and interior external splines is all done tapered, can in synchronizing process, produce the axial force of increase.
Concrete characteristics of the present invention also have, and it is 14.28 that a retaining of above-mentioned speed changer transmits speed ratio; Two retainings transmit speed ratio: 10.62; Three retainings transmit speed ratio 7.87; Four retainings transmit speed ratio 5.88; Five retainings transmit speed ratio 4.375; Six retainings transmit speed ratio 3.27; Seven retainings transmit speed ratio 2.43; Eight retainings transmit speed ratio 1.8; Nine retainings transmit speed ratio 1.34; Ten retainings transmit speed ratio 1.
Concrete characteristics of the present invention also have, and the high-grade transmission speed ratio that reverses gear of above-mentioned speed changer is 3.18, and the low-grade transmission speed ratio that reverses gear is 13.91.
Beneficial effect of the present invention is: (1) speed changer main tank adopts full synchronizer structure, and speed changer choosing gearshift is light, reduces the gearshift time, prolongs gearshift structure working life, on the vehicle that is particularly suitable for gearshift is had relatively high expectations.
(2) use eight spline catch to realize the gear axially locating on the main shaft, simple in structure, bearing capacity is strong, durability is high, under the prerequisite that does not increase cost, has improved the twin countershaft transmission life-span.
(3) the transmission Speed Ratio Distribution is more reasonable.
Description of drawings
Fig. 1 is the structural representation of the specific embodiment of the invention.
Fig. 2 is the main shaft assembly structural drawing of the specific embodiment of the invention.
Fig. 3 is the gear layout chart in the casing in the embodiment of the present invention.
Fig. 4 is each the gear power flow graph in the specific embodiment of the invention.
Among the figure, 1, main shaft, 2, the self energizing effort pin-type synchronizer, 3, the spline catch, 4, main shaft four retaining gears; 5, spline catch, 6, the spline catch, 7, main shaft three retaining gears, 8, the self energizing effort pin-type synchronizer, 9, the spline catch; 10, main shaft second gear, 11, the spline catch, 12, the spline catch, 13, the main shaft first gear, 14, the self energizing effort pin-type synchronizer; 15, spline catch, 16, the main shaft reverse gear, 17, the spline catch, 18, countershaft five retaining gears; 19, countershaft four retaining gears; 20, countershaft three retaining gears; 21, countershaft second gear; 22, countershaft first gear; 23, countershaft reverse gear; 25, gear ring; 26, odd-side lock ring type synchronizer; 27, odd-side sun gear; 28, planet wheel; 30, idle pulley; 33, input shaft; 34, main shaft five retaining gears; 37, left countershaft; 39, right countershaft; A, main tank, B, odd-side.
Embodiment
For clearly demonstrating the technical characterstic of this programme, through an embodiment, this programme is set forth below.
Like accompanying drawing, a kind of pair of full synchronizer ten shift transmissions of jack shaft, the two-part structure that constitutes by main tank and odd-side; Basic trnasmission is arranged in the main tank, have auxiliary transmission, basic trnasmission to have five forward and one to reverse gear in the odd-side; Auxiliary transmission has two gears, constitutes 5 * 2 structures, forms ten advance gear and two and reverses gear; Said basic trnasmission comprises input mechanism and gear, and input mechanism comprises input shaft and two countershaft-left countershafts 37 and right countershaft 39; Said gear comprises main shaft 1, idle pulley 30, be connected with main shaft 1 spline and the main shaft gearshift self energizing effort pin- type synchronizer 2,8,14 that can horizontally slip along main shaft, the countershaft shift gear that is connected with the long flat key of countershaft and with the main shaft main shaft shift gear that the self energizing effort pin-type synchronizer cooperates of shifting gears; Said countershaft shift gear comprises countershaft first gear 22, countershaft second gear 21, countershaft three retaining gears 20, countershaft four retaining gears 19, countershaft five retaining gear 18 and countershaft reverse gears 23; Said main shaft shift gear comprises main shaft first gear 13, main shaft second gear 10, main shaft three retaining gears 7, main shaft four retaining gears 4, main shaft five retaining gear 34 and main shaft reverse gears 16; Main shaft gearshift self energizing effort pin-type synchronizer have three and be distributed on main shaft first gear 13 and main shaft reverse gear 16 between, between main shaft two, the three retaining gears and between main shaft four, the five retaining gears, the engaging tooth of main shaft gearshift self energizing effort pin-type synchronizer can be meshed with corresponding main shaft shift gear at the end of travel that horizontally slips; Left and right countershaft 37,39 is parallel to main shaft 1 and is the both sides that 180 degree are separately positioned on main shaft 1 each other, and idle pulley 30 is meshed with countershaft reverse gear 23; Said auxiliary transmission comprises the odd-side planetary mechanism that is connected with main shaft 1 spline, and odd-side planetary mechanism output terminal is provided with odd-side lock ring type synchronizer 26; Said main shaft shift gear is through spline catch axially locating.
Wherein, auxiliary transmission comprises gearshift synchronizer, sun gear, planet wheel and gear ring, and the main shaft of said basic trnasmission is connected with the sun gear of auxiliary transmission through spline.
The mounting point of spline catch is: main shaft reverse gear both sides; Main shaft first gear right side; Between main shaft first gear and the main shaft second gear, between main shaft second gear left side, main shaft three retaining gear right sides, main shaft three retaining gears and the main shaft four retaining gears, main shaft four retaining gear left sides.
The self energizing effort pin-type synchronizer links to each other with external splines on the main shaft through internal spline, and interior external splines is all done tapered, can in synchronizing process, produce the axial force of increase.
It is 14.28 that one retaining of speed changer transmits speed ratio; Two retainings transmit speed ratio: 10.62; Three retainings transmit speed ratio 7.87; Four retainings transmit speed ratio 5.88; Five retainings transmit speed ratio 4.375; Six retainings transmit speed ratio 3.27; Seven retainings transmit speed ratio 2.43; Eight retainings transmit speed ratio 1.8; Nine retainings transmit speed ratio 1.34; Ten retainings transmit speed ratio 1; The high-grade transmission speed ratio that reverses gear is 3.18, and the low-grade transmission speed ratio that reverses gear is 13.91.
Concrete transmission process of the present invention is following: the power of motor is by input shaft 1 input, and main shaft five retaining gears 34 are secured together through internal spline and input shaft 33, and meshes with two countershafts, five retaining gears 18, and input power is shunted to left and right countershaft assembly.Countershaft five retaining gears 18, countershaft first gear 22, countershaft second gear 21, countershaft three retaining gears 20, countershaft four retaining gears 19 are assembled together with left and right countershaft 37,39 interference respectively and form the countershaft assembly; Countershaft five retaining gears 18 drive the rotation of countershaft assembly; Self energizing effort synchronizer 14 is moved to the left under the driving of gearshift; Synchronizer left side sliding sleeve makes main shaft first gear 31 connect together with main shaft 38, thereby power is compiled on the main shaft 38 from two countershaft first gears 22 through main shaft first gear 31.Power is delivered to odd-side sun gear 27 through main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements; Transmission of power is given gear ring 25, and odd-side lock ring type synchronizer 26 is moved to the left, and odd-side is in low gear; Slow down through planetary mechanism; Power is exported from output shaft, and transmission assembly is in a gear to be put, and transmits speed ratio 14.28.
In like manner, under the driving of self energizing effort synchronizer 8 at gearshift, move right, the right sliding sleeve of synchronizer makes main shaft second gear 10 connect together with main shaft 38.Power reaches countershaft from input shaft 33, is passed to main shaft 38 by main shaft second gear 10.Power is delivered to odd-side sun gear 27 through main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements; Transmission of power is given gear ring 25, and odd-side lock ring type synchronizer 26 is moved to the left, and odd-side is in low gear; Slow down through planetary mechanism; Power is exported from output shaft, and transmission assembly is in two gears to be put, and transmits speed ratio 10.62.
Under the driving of self energizing effort synchronizer 8 at gearshift, be moved to the left, synchronizer left side sliding sleeve makes main shaft three retaining gears 7 connect together with main shaft 38.Power reaches countershaft from input shaft 33, is passed to main shaft 38 by main shaft three retaining gears 7.Power is delivered to odd-side sun gear 27 through main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements; Transmission of power is given gear ring 25, and odd-side gearshift synchronizer 26 is moved to the left, and odd-side is in low gear; Slow down through planetary mechanism; Power is exported from output shaft, and transmission assembly is in three gears to be put, and transmits speed ratio 7.87.
Under the driving of self energizing effort synchronizer 2 at gearshift, move right, the right sliding sleeve of synchronizer makes main shaft four retaining gears 4 connect together with main shaft 38.Power reaches countershaft from input shaft 33, is passed to main shaft by main shaft four retaining gears 4.Power is delivered to odd-side sun gear 27 through main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements; Transmission of power is given gear ring 25, and odd-side lock ring type synchronizer 26 is moved to the left, and odd-side is in low gear; Slow down through planetary mechanism; Power is exported from output shaft, and transmission assembly is in four gears to be put, and transmits speed ratio 5.88.
Under the driving of self energizing effort synchronizer 2 at gearshift, be moved to the left, synchronizer left side sliding sleeve makes main shaft five retaining gears 34 connect together with main shaft 38.Power reaches countershaft from input shaft 33, is passed to main shaft by main shaft five retaining gears 34.Power is delivered to odd-side sun gear 27 through main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements; Transmission of power is given gear ring 25, and odd-side lock ring type synchronizer 26 is moved to the left, and odd-side is in low gear; Slow down through planetary mechanism; Power is exported from output shaft, and transmission assembly is in five gears to be put, and transmits speed ratio 4.375.
Under the driving of synchronizer 14 at gearshift, be moved to the left, synchronizer left side sliding sleeve makes main shaft first gear 31 connect together with main shaft 38.Power reaches countershaft from input shaft 33, is passed to main shaft by main shaft first gear 31.Power is delivered to odd-side sun gear 27 through main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements; Transmission of power is given gear ring 25, and odd-side lock ring type synchronizer 26 moves right, and gear ring 25 dallies with planet mechanism; Odd-side is in high gear; Directly from output shaft output, transmission assembly is in six gears to be put power, transmits speed ratio 3.27.
Under the driving of self energizing effort synchronizer 8 at gearshift, move right, the right sliding sleeve of synchronizer makes main shaft second gear 10 connect together with main shaft 38.Power reaches countershaft from input shaft 33, is passed to main shaft by main shaft second gear 10.Power is delivered to odd-side sun gear 27 through main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements; Transmission of power is given gear ring 25, and odd-side lock ring type synchronizer 26 moves right, and gear ring 25 dallies with planet mechanism; Odd-side is in high gear; Directly from output shaft output, transmission assembly is in seven gears to be put power, transmits speed ratio 2.43.
Under the driving of self energizing effort synchronizer 8 at gearshift, be moved to the left, synchronizer left side sliding sleeve makes main shaft three retaining gears 7 connect together with main shaft 38.Power reaches countershaft from input shaft 33, is passed to main shaft by main shaft three retaining gears 7.Power is delivered to odd-side sun gear 27 through main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements; Transmission of power is given gear ring 25, and odd-side lock ring type synchronizer 26 moves right, and gear ring 25 dallies with planet mechanism; Odd-side is in high gear; Directly from output shaft output, transmission assembly is in eight gears to be put power, transmits speed ratio 1.8.
Under the driving of self energizing effort synchronizer 2 at gearshift, move right, the right sliding sleeve of synchronizer makes main shaft four retaining gears 4 connect together with main shaft 38.Power reaches countershaft from input shaft 33, is passed to main shaft by main shaft four retaining gears 4.Power is delivered to odd-side sun gear 27 through main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements; Transmission of power is given gear ring 25, and odd-side lock ring type synchronizer 26 moves right, and gear ring 25 dallies with planet mechanism; Odd-side is in high gear; Directly from output shaft output, transmission assembly is in nine gears to be put power, transmits speed ratio 1.34.
Under the driving of self energizing effort synchronizer 2 at gearshift, be moved to the left, synchronizer left side sliding sleeve makes main shaft five retaining gears 34 connect together with main shaft 38.Power reaches countershaft from input shaft 33, is passed to main shaft by main shaft five retaining gears 34.Power is delivered to odd-side sun gear 27 through main shaft 38, sun gear 27 and five planet wheel 28 engagements, planet wheel 28 and gear ring 25 engagements; Transmission of power is given gear ring 25, and odd-side lock ring type synchronizer 26 moves right, and gear ring 25 dallies with planet mechanism; Odd-side is in high gear; Directly from output shaft output, transmission assembly is in ten gears to be put power, transmits speed ratio 1.
The present invention is designed with reverses gear, and under the constant situation of car load engine speed direction, makes speed changer output speed and engine speed opposite.
Under the driving of synchronizer 14, move right, main shaft reverse gear 29 is connected together with main shaft 38 at gearshift.Power reaches countershaft from input shaft 33, and two countershaft reverse gears 23 pass to two idle pulleys 30, wheel 29 engagements of reversing gear of idle pulley 30 and main shaft, and power compiles and passes to main shaft reverse gear 29; Main shaft reverse gear 29 drives main shaft 38 counterrotatings, and power is delivered to odd-side sun gear 27 through main shaft 38, sun gear 27 and five planet wheel 28 engagements; Planet wheel 28 and gear ring 25 engagements, transmission of power is given gear ring 25, and odd-side lock ring type synchronizer 26 moves right; Gear ring 25 is with the idle running of planet mechanism, and odd-side is in the high gear that reverses gear, and power is directly exported from output shaft; Transmission assembly is in the high gear that reverses gear to be put, and transmits speed ratio 3.18, the output shaft counterrotating.
In like manner, when odd-side lock ring type synchronizer 26 is moved to the left, odd-side is in low gear, slows down through planetary mechanism, and power is exported from output shaft, and transmission assembly is in the low gear that reverses gear to be put, and transmits speed ratio 13.91, the rotation of output shaft low-speed reverse.
The present invention can pass through or adopt existing techniques in realizing without the technical characteristics of describing; Repeat no more at this; Certainly, above-mentioned explanation is not to be limitation of the present invention, and the present invention also is not limited in above-mentioned giving an example; Variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present invention also should belong to protection scope of the present invention.
Claims (6)
1. two full synchronizer ten shift transmissions of jack shaft is characterized in that, the two-part structure that is made up of main tank and odd-side; Basic trnasmission is arranged in the main tank, have auxiliary transmission, basic trnasmission to have five forward and one to reverse gear in the odd-side; Auxiliary transmission has two gears, constitutes 5 * 2 structures, forms ten advance gear and two and reverses gear; Said basic trnasmission comprises input mechanism and gear, and input mechanism comprises input shaft and two countershafts;
Said gear comprises main shaft, idle pulley, be connected with main spindle multiple spline and the main shaft gearshift self energizing effort pin-type synchronizer that can horizontally slip along main shaft, the countershaft shift gear that is connected with the long flat key of countershaft and with the main shaft main shaft shift gear that the self energizing effort pin-type synchronizer cooperates of shifting gears;
Said countershaft shift gear comprises countershaft first gear, countershaft second gear, countershaft three retaining gears, countershaft four retaining gears, countershaft five retaining gear and countershaft reverse gears; Said main shaft shift gear comprises main shaft first gear, main shaft second gear, main shaft three retaining gears, main shaft four retaining gears, main shaft five retaining gear and main shaft reverse gears; Main shaft gearshift self energizing effort pin-type synchronizer have three and be distributed on the main shaft first gear and the main shaft reverse gear between, between two main shafts, the three retaining gears and between the four main five retaining gears, the engaging tooth of main shaft gearshift self energizing effort pin-type synchronizer can be meshed with corresponding main shaft shift gear at the end of travel that horizontally slips;
Two countershafts are parallel to main shaft and are the both sides that 180 degree are separately positioned on main shaft each other, and idle pulley is meshed with the countershaft reverse gear; Said auxiliary transmission comprises the odd-side planetary mechanism that is connected with main spindle multiple spline, and odd-side planetary mechanism output terminal is provided with odd-side lock ring type synchronizer;
Said main shaft shift gear is through spline catch axially locating.
2. full synchronizer ten shift transmissions of pair jack shaft according to claim 1 is characterized in that, said auxiliary transmission comprises gearshift synchronizer, sun gear, planet wheel and gear ring, and the main shaft of said basic trnasmission is connected with the sun gear of auxiliary transmission through spline.
3. full synchronizer ten shift transmissions of pair jack shaft according to claim 1; It is characterized in that; The mounting point of said spline catch is: main shaft reverse gear both sides, and main shaft first gear right side is between main shaft first gear and the main shaft second gear; Between main shaft second gear left side, main shaft three retaining gear right sides, main shaft three retaining gears and the main shaft four retaining gears, main shaft four retaining gear left sides.
4. full synchronizer ten shift transmissions of pair jack shaft according to claim 1; It is characterized in that; Said self energizing effort pin-type synchronizer links to each other with external splines on the main shaft through internal spline, and interior external splines is all done tapered, can in synchronizing process, produce the axial force of increase.
5. full synchronizer ten shift transmissions of pair jack shaft according to claim 1 is characterized in that, it is 14.28 that a retaining of said speed changer transmits speed ratio; Two retainings transmit speed ratio: 10.62; Three retainings transmit speed ratio 7.87; Four retainings transmit speed ratio 5.88; Five retainings transmit speed ratio 4.375; Six retainings transmit speed ratio 3.27; Seven retainings transmit speed ratio 2.43; Eight retainings transmit speed ratio 1.8; Nine retainings transmit speed ratio 1.34; Ten retainings transmit speed ratio 1.
6. full synchronizer ten shift transmissions of pair jack shaft according to claim 1 is characterized in that, the high-grade transmission speed ratio that reverses gear of said speed changer is 3.18, and the low-grade transmission speed ratio that reverses gear is 13.91.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102952005A CN102808905A (en) | 2012-08-20 | 2012-08-20 | Dual-middle-shaft all synchromesh ten-gear transmission |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102952005A CN102808905A (en) | 2012-08-20 | 2012-08-20 | Dual-middle-shaft all synchromesh ten-gear transmission |
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| Publication Number | Publication Date |
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| CN102808905A true CN102808905A (en) | 2012-12-05 |
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|---|---|---|---|
| CN2012102952005A Pending CN102808905A (en) | 2012-08-20 | 2012-08-20 | Dual-middle-shaft all synchromesh ten-gear transmission |
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Cited By (5)
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| CN103256352A (en) * | 2013-04-28 | 2013-08-21 | 河南科技大学 | Double-planet-row converging type multi-gear multi-clutch transmission |
| CN106763549A (en) * | 2016-12-30 | 2017-05-31 | 中国第汽车股份有限公司 | A kind of ten new gear double-clutch automatic transmissions |
| CN108953509A (en) * | 2018-08-03 | 2018-12-07 | 东南大学 | A kind of more speed transmissions with jackshaft |
| CN110234910A (en) * | 2017-02-08 | 2019-09-13 | 斯堪尼亚商用车有限公司 | Gearbox for vehicle |
| CN110242733A (en) * | 2019-05-09 | 2019-09-17 | 南京越博动力系统股份有限公司 | A kind of electric automobile gear-box and its high to low gear location information recognition methods |
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| CN110234910A (en) * | 2017-02-08 | 2019-09-13 | 斯堪尼亚商用车有限公司 | Gearbox for vehicle |
| CN110234910B (en) * | 2017-02-08 | 2022-05-03 | 斯堪尼亚商用车有限公司 | Gearbox for vehicle |
| CN108953509A (en) * | 2018-08-03 | 2018-12-07 | 东南大学 | A kind of more speed transmissions with jackshaft |
| CN110242733A (en) * | 2019-05-09 | 2019-09-17 | 南京越博动力系统股份有限公司 | A kind of electric automobile gear-box and its high to low gear location information recognition methods |
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Application publication date: 20121205 |