CN105402332A - Automobile and mixed-connected double-intermediate-shaft transmission thereof - Google Patents
Automobile and mixed-connected double-intermediate-shaft transmission thereof Download PDFInfo
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- CN105402332A CN105402332A CN201510945130.7A CN201510945130A CN105402332A CN 105402332 A CN105402332 A CN 105402332A CN 201510945130 A CN201510945130 A CN 201510945130A CN 105402332 A CN105402332 A CN 105402332A
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- gear
- shaft
- clutch collar
- jack shaft
- driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses an automobile and a mixed-connected double-intermediate-shaft transmission thereof. The mixed-connected double-intermediate-shaft transmission comprises an input shaft, a first intermediate shaft, a second intermediate shaft, an output shaft, gears installed and distributed on all the shafts, a gear shifting mechanism, a shell, bearing oil seals and other components. In the power transmission process, the second intermediate shaft can be connected to the first intermediate shaft to transmit power and can be directly connected with the input shaft without being connected with the first intermediate shaft to transmit power, and therefore the transmission efficiency of the transmission is improved. The gear number of the mixed-connected double-intermediate-shaft transmission is equal to the product of the number of gears on the first intermediate shaft and the number of gears on the output shaft, however, the gear number of an existing transmission is usually equal to the sum of all the gear meshing pairs of the transmission. By the adoption of the mixed-connected double-intermediate-shaft transmission of the automobile, on the premise that the size and the weight of a traditional 6-gear transmission are not changed, the transmission with 8 gears or 9 gears can be achieved. The power performance, the fuel economical efficiency and the driving and riding comfort of the whole automobile can be remarkably improved, and the transmission is particularly suitable for being used as an AMT.
Description
Technical field
The present invention relates to transmission technology field, in particular, relate to a kind of automobile and mixed connection formula twin countershaft transmission thereof.
Background technique
Since speed changer is born, become the important component part that automobile is indispensable, and type has got more and more, the development of speed changer is tending towards variation.Mainly be divided into: manual transmission (MT), hydraulic automatic speed variator (AT), electric-controlled mechanical automatic speed transmission (AMT), buncher (DCT).
The sedan of the current overwhelming majority is front-wheel drive mode, and the speed changer mated with it is twin-shaft transmission, comprises input shaft and output shaft, and this diaxon is arranged in parallel, and input shaft is also the driven shaft of clutch, and output shaft is also the driving shaft of main reducing gear.In order to realize gear change, input shaft being provided with five gear driving gears, corresponding output shaft being provided with five driven gears, by the engagement of respective gears, realize the change of different gear.For the number that the gear number of this speed changer is the gear pair on input shaft and output shaft.Known by foregoing description, the speed changer mated with front-wheel drive mode does not have jack shaft, when increasing gear, need to increase gear pair on input shaft and output shaft, to realize the increase of gear, but, the speed changer of front-wheel drive mode is mounted in the vehicle head part of vehicle, its installing space is less, input shaft and output shaft increases the length that gear needs to increase input shaft and output shaft undoubtedly, which increases the difficulty of design.
Large vehicle and part go-anywhere vehicle are the modes of rear wheel drive, the speed changer mated with it has one or two jack shafts, and jack shaft and input shaft and output shaft are all arranged in parallel, jack shaft is provided with the driven gear engaged with the driving wheel of input shaft, so that the power on input shaft is transported to jack shaft by gear, in order to realize gear change, jack shaft also arranges driving gear, output shaft is provided with driven gear, by gears meshing, by the transmission of power on jack shaft on output shaft.Gear number is then for the number of meshed gears pair on jack shaft and output shaft adds a direct high (power is directly passed to output shaft by input shaft).By the description of above-mentioned working procedure, for there is the speed changer of a jack shaft or two jack shafts in power transmission process, power is needed to be delivered to jack shaft from input shaft by gears meshing, be delivered on output shaft by gears meshing again, therefore, when transmission of power, power at least needs through two pairs of gear pairs from input shaft to output shaft, and gears meshing must have energy loss, reduce the transmission efficiency of this speed changer.In addition, at the speed changer for rear-guard when increasing gear number, need the gear pair number on jack shaft and output shaft, this makes whole speed changer structure complicated, and weight is larger.
In summary, the speed changer of prior art exists increases gear number difficulty, and complex structure after adding gear number, weight is large, also there is the problem that power transmission efficiency is low.
Summary of the invention
In view of this, the invention provides a kind of mixed connection formula twin countershaft transmission, compare with the existing speed changer with identical gear number, the length of speed changer can be reduced.Present invention also offers a kind of automobile with above-mentioned mixed connection formula twin countershaft transmission.
For achieving the above object, the invention provides following technological scheme:
A kind of mixed connection formula twin countershaft transmission, comprise input shaft and output shaft, it also comprises:
First jack shaft, described first jack shaft is provided with the first counter shaft driven gear engaged with the constant mesh gear on described input shaft, the first jackshaft drive pinion be fixedly connected with described first jack shaft;
Second jack shaft, described second jack shaft is connected by shaft connector is separable with described input shaft, described second jack shaft is provided with the second counter shaft driven gear engaged with described first jackshaft drive pinion, and multiple gear driving gear;
Output shaft is provided with the gear driven gear engaged one by one with described gear driving gear, form gear engagement pair, a gear in often pair of described gear engagement pair is fixedly connected with place axle, and another gear, with soldered tooth circle, can not rotate during engage a gear on its place axle;
For with described gear engagement pair in can relatively rotate the clutch collar of sheathed gear engagement with place axle, clutch collar can slide axially on axle.
Preferably, in above-mentioned mixed connection formula twin countershaft transmission, described shaft connector comprises:
Be arranged on the first clutch collar on described second jack shaft, described first clutch collar can slide along the axial direction of described second jack shaft, and with described second jack shaft synchronous axial system, described first clutch collar can engage near the one of described constant mesh gear with described second counter shaft driven gear;
To be fixed on described input shaft and the input shaft that can engage with described first clutch collar engages gear ring.
Preferably, in above-mentioned mixed connection formula twin countershaft transmission, it is characterized in that, described first jack shaft is provided with described first jackshaft drive pinion, described second jack shaft is provided with described second counter shaft driven gear.
Preferably, in above-mentioned mixed connection formula twin countershaft transmission, described second jack shaft is provided with four described gear driving gears, four described gear driving gears are respectively the first gear driving gear, the second gear driving gear, third gear driving gear and fourth speed position driving gear;
Described output shaft is provided with four described gear driven gears, the fourth speed position driven gear that four described gear driven gears are respectively the first gear driven gear engaged with described first gear driving gear, the second gear driven gear engaged with described second gear driving gear, the third gear driven gear engaged with described third gear driving gear and engage with described fourth speed position driving gear.
Preferably, in above-mentioned mixed connection formula twin countershaft transmission, described clutch collar comprises:
That slides to be arranged on described output shaft and the second clutch collar between described first gear driven gear and described second gear driven gear, and described second clutch collar can engage respectively with described first gear driven gear and described second shifting gear;
That slides to be arranged on described second jack shaft and the 3rd clutch collar between described third gear driving gear and described fourth speed position driving gear, and described 3rd clutch collar can engage respectively with described third gear driving gear and described fourth speed position driving gear.
Preferably, in above-mentioned mixed connection formula twin countershaft transmission, described first jack shaft is provided with two described first jackshaft drive pinions, described second counter shaft driven gear engages with described first jackshaft drive pinion one_to_one corresponding.
Preferably, in above-mentioned mixed connection formula twin countershaft transmission, described second jack shaft is provided with three described gear driving gears, three described gear driving gears are respectively the first gear driving gear, the second gear driving gear and the 3rd initiatively shifting gear;
Described output shaft is provided with three described gear driven gears, the third gear driven gear that three described gear driven gears are respectively the first gear driven gear engaged with described first gear driving gear, the second gear driven gear engaged with described second gear driving gear and engage with described third gear driving gear.
Preferably, in above-mentioned mixed connection formula twin countershaft transmission, described clutch collar comprises:
That slides to be arranged on described second jack shaft and second clutch collar that can engage with the one away from described first clutch collar in described second counter shaft driven gear;
That slides to be arranged on described output shaft and the 3rd clutch collar between described first gear driven gear and described second gear driven gear, and described 3rd clutch collar can engage respectively with described first gear driven gear and described second gear driven gear;
That slides to be arranged on described second jack shaft and the 4th clutch collar that can engage with described third gear driving gear.
Preferably, in above-mentioned mixed connection formula twin countershaft transmission, described speed changer is AMT speed changer.
A kind of automobile, comprise speed changer, wherein, described speed changer is the mixed connection formula twin countershaft transmission described in above-mentioned any one.
Known via above-mentioned technological scheme, the invention discloses a kind of mixed connection formula twin countershaft transmission, comprise input shaft and output shaft, wherein, also comprise: the first jack shaft, this first jack shaft is provided with the first counter shaft driven gear engaged with the constant mesh gear on input shaft, and the first jackshaft drive pinion be fixedly connected with the first jack shaft; Second jack shaft, this second jack shaft is connected by shaft connector is separable with input shaft, and the second jack shaft is provided with the second counter shaft driven gear engaged with the first jackshaft drive pinion, and multiple gear driving gear; Output shaft is provided with the gear driven gear engaged one by one with gear driving gear, form gear engagement pair, a gear in often pair of gear engagement pair is fixedly connected with place axle, another gear and place axle relatively turnable sheathed; For with gear engagement pair in can relatively rotate the clutch collar of sheathed gear engagement with place axle.By above-mentioned setting, during this transmission duty, when input shaft is separated with the second jack shaft, first power is passed to the first jack shaft by constant mesh gear with engaging of the first counter shaft driven gear by the power of input shaft, then, again by the engagement of the second counter shaft driven gear on the first jackshaft drive pinion and the second jack shaft, thus by transmission of power on the second jack shaft, and then by the gear engagement pair of the second jack shaft and output shaft by transmission of power to output shaft, in practice, several second counter shaft driven gear is had then to have several selection, accordingly, having severally then has several output to select to gear engagement pair, both product gear change can be realized, when input shaft and the second jack shaft link together, the power namely on input shaft is directly passed to the second jack shaft by axle, and realizes gear change by the gear engagement pair of the second jack shaft and output shaft.
The core of the application is, two jack shafts are set, and the second jack shaft both can be connected to transferring power after the first jack shaft, also can cross the first jack shaft and directly be connected transferring power with input shaft, second jack shaft is directly connected with input shaft, the energy wasted by gear transmission when decreasing input shaft and the second jack shaft transferring power, therefore can reduce the energy loss of this speed changer; In addition, because the second jack shaft is separable with input shaft and be directly connected, thus realize different transmittance processs, the gear number of speed changer is made to be the product of the number of gears on the first jack shaft and the shifting gear number on output shaft, current gear number is then the summation of the output gear number on jack shaft or output shaft, by above-mentioned be arranged on the prerequisite ensureing that speed changer volume and weight is constant under, just can increase gear number.Because gear number is the mode of product, therefore, under same gear stages, the number of gear pair can be reduced, make speed changer structure simple.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structural representation of eight speed transmission that Fig. 1 provides for the embodiment of the present invention;
The structural representation of nine speed transmission that Fig. 2 provides for the embodiment of the present invention.
Embodiment
Core of the present invention is to provide a kind of mixed connection formula twin countershaft transmission, compares, can reduce the length of speed changer with the existing speed changer with identical gear number.Another core of the present invention is to provide a kind of automobile with above-mentioned mixed connection formula twin countershaft transmission.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As depicted in figs. 1 and 2, the invention discloses a kind of mixed connection formula twin countershaft transmission, comprise input shaft 1 and output shaft 4, wherein, also comprise: the first jack shaft 3, this first jack shaft 3 is provided with the first counter shaft driven gear 31 engaged with the constant mesh gear 11 on input shaft 1, and the first jackshaft drive pinion 32 be fixedly connected with the first jack shaft 3; Second jack shaft 2, this second jack shaft 2 is connected by shaft connector is separable with input shaft 1, and the second jack shaft 2 is provided with the second counter shaft driven gear 25 engaged with the first jackshaft drive pinion 32, and multiple gear driving gear; Output shaft 4 is provided with the gear driven gear engaged one by one with gear driving gear, form gear engagement pair, a gear in often pair of gear engagement pair is fixedly connected with place axle, another gear and place axle relatively turnable sheathed, this gear has joint gear ring; For the clutch collar engaged with the joint gear ring that can relatively rotate sheathed gear with place axle in gear engagement pair, clutch collar can slide axially on axle.By above-mentioned setting, during this transmission duty, when input shaft 1 is separated with the second jack shaft 2, first power is passed to the first jack shaft 3 by constant mesh gear 11 with engaging of the first counter shaft driven gear 31 by the power of input shaft 1, then, again by the engagement of the second counter shaft driven gear 25 on the first jackshaft drive pinion 32 and the second jack shaft 2, thus by transmission of power on the second jack shaft 2, and then by the gear engagement pair of the second jack shaft 2 and output shaft 4 by transmission of power to output shaft 4, in practice, several second counter shaft driven gear 25 is had to have several selection, accordingly, having severally then has several output to select to gear engagement pair, both product gear change can be realized, when input shaft 1 and the second jack shaft 2 link together, the power namely on input shaft 1 is directly passed to the second jack shaft 2 by axle, and realizes gear change by the gear engagement pair of the second jack shaft 2 and output shaft 4.
The core of the application is, arranges two jack shafts, and the second jack shaft 2 both can be connected to the rear transferring power of the first jack shaft 3, also can cross the first jack shaft 3 and directly be connected transferring power with input shaft 1.Second jack shaft 2 is directly connected with input shaft 1, and the energy wasted by gear transmission when decreasing input shaft 1 and the second jack shaft 2 transferring power, therefore can reduce the energy loss of this speed changer; In addition, because the second jack shaft 2 is separable with input shaft 1 and be directly connected, thus realize different transmittance processs, the gear number of speed changer is made to be the product of the number of gears on the first jack shaft 3 and the shifting gear number on output shaft 4, current gear number is then the summation of the output gear number on jack shaft or output shaft, by above-mentioned be arranged on the prerequisite ensureing that speed changer volume and weight is constant under, just can increase gear number, the increase of gear number can improve fuel economy.Because gear number is the mode of product, therefore, under same gear stages, the number of gear pair can be reduced, make speed changer structure simple.
As shown in Figure 1, above-mentioned in specific embodiment shaft connector comprises: be arranged on the first clutch collar 51 on the second jack shaft 2 and be fixed on the input shaft joint gear ring on input shaft 1.Wherein, this first clutch collar 51 can slide along the axial direction of the second jack shaft 2, and the first clutch collar 51 and the second jack shaft 2 keep synchronous axial system, particularly, this second jack shaft 2 is splined shaft, the inner ring of the first clutch collar 51 has the spline engaged with the spline of the second jack shaft 2, and can realize the first clutch collar 51 can slide along the second jack shaft 2, and can realize the synchronous axial system with the second jack shaft 2.In the process that the first clutch collar 51 slides along the second jack shaft 2, the gear engagement near constant mesh gear 11 in the outer ring of the first clutch collar 51 and the second counter shaft driven gear 25 can be realized, namely the second counter shaft driven gear 25 and the second jack shaft 2 synchronous axial system is realized, to be delivered to the second jack shaft 2 from the first jack shaft 3 by power.Above-mentioned input shaft engages gear ring and also can engage with the first clutch collar 51, when adjustment first clutch collar 51 position, when the first clutch collar 51 to engage after gear ring engages with input shaft, input shaft 1 can be realized directly be connected with the second jack shaft 2, directly transmitted by axle by power, the energy loss because meshed transmission gear produces can be reduced.
A kind of concrete structure of the above-mentioned shaft connector provided for the application, in practice, also dissimilar shaft connector can be set according to different needs, such as coupling etc., then also need to arrange the control gear controlled coupling for arranging coupling, to enable coupling folding, realize connection and the disconnection of input shaft 1 and the second jack shaft 2.
In one embodiment, first jack shaft 3 of the formula of mixed connection disclosed in the application twin countershaft transmission is provided with first jackshaft drive pinion 32, correspondingly, second jack shaft 2 is provided with second counter shaft driven gear 25, and the first jackshaft drive pinion 32 engages with the second counter shaft driven gear 25, in conjunction with above-mentioned scheme, the first above-mentioned clutch collar 51 engages with this second counter shaft driven gear 25.It is two that this scheme defines the number that the first jack shaft 3 cogs.
Further, the second jack shaft 2 is provided with four gear driving tooths, four gear driving gears are respectively the first gear driving gear 21, second gear driving gear 22, third gear driving gear 23 and fourth speed position driving gear 24.Correspondingly, output shaft 4 is provided with four gear driven gears, particularly, these four gear driven gears are respectively: the first gear driven gear 41 engaged with the first gear driving gear 21, the the second gear driven gear 42 engaged with the second gear driving gear 22, the third gear driven gear 43 engaged with third gear driving gear 23 and the fourth speed position driven gear 44 engaged with fourth speed position driving gear 24, namely have four pairs of gear engagement pair.
On the basis of technique scheme, in order to realize the single selection of four pairs of gear engagement pair, clutch collar disclosed in the application comprises the second clutch collar 52 and the 3rd clutch collar 53.Wherein, second clutch collar 52 is slidably arranged on output shaft 4, and between the first gear driven gear 41 and the second gear driven gear 42, particularly, this output shaft 4 is splined shaft, and correspondingly, the inner ring of the second clutch collar 52 has the spline coordinated with the spline on output shaft 4, slide along the axial direction of output shaft 4 to realize the second clutch collar 52, and the second clutch collar 52 and output shaft 4 synchronous axial system can be made.When the second clutch collar 52 slides along output shaft 4, this second clutch collar 52 can engage from gear 41 and the second gear driven gear 42 respectively with the first gear, particularly, engage with the joint gear ring on the joint gear ring on the first shifting gear 41 and the second gear driven gear 42, when the second clutch collar 52 engages with the first gear driven gear 41, output shaft 4 and the first gear driven gear 41 synchronous axial system, make power be delivered to output shaft 4 by the first gear driven gear 41; When the second clutch collar 52 engages with the second gear driven gear 42, output shaft 4 and the second gear driven gear 42 synchronous axial system, make power be delivered on output shaft 4 by the second gear driven gear 42.
The 3rd above-mentioned clutch collar 53 is slidably arranged on the second jack shaft 2, and between third gear driving gear 23 and fourth speed position driving gear 24.Preferably, second jack shaft 2 is also splined shaft, 3rd clutch collar 53 inner ring has the spline coordinated with the keyway of the second jack shaft 2, slides, and can make the 3rd clutch collar 53 and the second jack shaft 2 synchronous axial system to realize the 3rd clutch collar 53 along the axial direction of the second jack shaft 2.Can engage with third gear driving gear 23 when 3rd clutch collar 53 slides on the second jack shaft 2, particularly, 3rd clutch collar 53 engages with the joint gear ring on third gear driving gear 23, slide can engage with fourth speed position driving gear 24 to other direction, namely engage with the joint gear ring of fourth speed position driving gear 24.When the 3rd clutch collar 53 engages with third gear driving gear 23, third gear driving gear 23 and the second jack shaft 2 synchronous axial system, and with engaging of third gear driven gear 43, power is delivered to output shaft 4 from the second jack shaft 2 by third gear driving gear 23; When the 3rd clutch collar 53 engages with fourth speed position driving gear 24, fourth speed position driving gear 24 and the second jack shaft 2 synchronous axial system, and engaging by fourth speed position driving gear 24 and fourth speed position driven gear 44, power is delivered to output shaft 4 from the second jack shaft 2.
Working procedure for the total of this embodiment: when the second jack shaft 2 is connected to transferring power after the first jack shaft 3, power transmission process now: shifting gear---shifting gear on-output shaft---output shaft 4 on input shaft 1---constant mesh gear 11---first counter shaft driven gear 31---first jack shaft 3---first jackshaft drive pinion 32---second counter shaft driven gear 25----second jack shaft 2---second jack shaft; Owing to the second jack shaft 2 and output shaft 4 having four to the shifting gear engaged, therefore, four gears of gearbox can be realized.
When the second jack shaft 2 crosses the first jack shaft 3, namely input shaft 1 is directly connected with the second jack shaft 2, power transmission process now: shifting gear---shifting gear on the output shaft---output shaft 4 on input shaft 1---second jack shaft 2---second jack shaft; Due to the second jack shaft 2 and output shaft 4 having four pairs of engaged gear gears, therefore, another four gears of gearbox can be realized.Input shaft 1 is directly connected transferring power with the second jack shaft 2, can reduce energy loss.
Known by the above-mentioned explanation to gear, the gear number altogether in this embodiment is 2 (number of gears on the first jack shaft) * 4 (on the second jack shaft the gear number of gears)=8.By known to above-mentioned annexation, be 6 right for the gear pair number of transferring power in this embodiment, but 8 gears can be realized, compared with prior art add gear number.
As shown in Figure 2, in another embodiment, first jack shaft 3 is provided with two the first jackshaft drive pinions 32, and two the second counter shaft driven gears 25 are set on the second jack shaft 2, and by the first jackshaft drive pinion 32 and the engagement of the second counter shaft driven gear 25 one_to_one corresponding.During transferring power, input shaft 1 is engaged by constant mesh gear 11 and the first counter shaft driven gear 31 on the first jack shaft 3, by transmission of power on the first jack shaft 3, two the first jackshaft drive pinions 32 on first jack shaft 3 rotate with the first jack shaft 3 simultaneously, operator selects the one in two the second counter shaft driven gears 25 of idle running on the second jack shaft 2 to engage with the second jack shaft 2, and power is delivered on the second jack shaft 2 by the second counter shaft driven gear 25.Because two the first jackshaft drive pinions 32 are different from the velocity ratio of the second corresponding counter shaft driven gear 25, therefore, select the rotating speed of the second different counter shaft driven gear 25, second jack shafts 2 then different.The first jack shaft 3 in the program have three gears.
In further embodiment, the second jack shaft 2 is provided with three gear driving gears, three gear driving gears are respectively the first gear driving gear 21, second gear driving gear 22 and the 3rd initiatively shifting gear 23; Correspondingly, output shaft 4 is provided with three gear driven gears, the third gear driven gear 43 that three gear driven gears are respectively the first gear driven gear 41 engaged with the first gear driving gear 21, the second gear driven gear 42 engaged with the second gear driving gear 22 and engage with third gear driving gear 23.Known by foregoing description, there are in the program three pairs of gear engagement pair.
In conjunction with the above-mentioned description to this embodiment, the clutch collar in the application specifically comprises the second clutch collar 52, the 3rd clutch collar 53 and the 4th clutch collar 54.Wherein, the second clutch collar 52 is slidably arranged on the second jack shaft 2, and can engage with the one away from the first clutch collar 51 in the second counter shaft driven gear 25.When the gear engagement away from the first clutch collar 51 in the second clutch collar 52 and two the second counter shaft driven gears 25, and the first clutch collar 51 is not when engaging, power is delivered to the first jack shaft 3 from input shaft 1, and by two the first jackshaft drive pinions 32 away from the gear of the first counter shaft driven gear 31 by transmission of power to the second jack shaft 2.When the second clutch collar 52 does not engage, near the gear engagement of the first clutch collar 51 in first clutch collar 51 and the second counter shaft driven gear 25, power is delivered to the first jack shaft 3 from input shaft 1, and by two the first jackshaft drive pinions 32 near the gear of the first counter shaft driven gear 31 by transmission of power to the second jack shaft 2.And when the first clutch collar 51 to engage with the input shaft on input shaft 1 gear ring engage time, the second clutch collar 52 can not engage.In conjunction with the first embodiment's content, the connection of clutch collar and corresponding axle connects by key.
The 3rd above-mentioned clutch collar 53 is slidably arranged on output shaft 4, and between the first gear driven gear 41 and the second gear driven gear 42.Can engage with the first gear driven gear 41 in the 3rd clutch collar 53 sliding process, and slide can engage with the second gear driven gear 42 to other direction.When the 3rd clutch collar 53 engages with the first gear driven gear 41, power is delivered to output shaft 4 by the first gear driven gear 41; When the 3rd clutch collar 53 engages with the second gear driven gear 42, power is delivered to output shaft 4 by the second gear driven gear 42.
4th clutch collar 54 is slidably arranged on the second jack shaft 2, and can engage with third gear driving gear 23, and power is delivered to third gear driven gear 43 by third gear driving gear 23, then on output shaft 4.
Working procedure for the total of this embodiment: the second jack shaft 2 is connected to the rear transferring power of the first jack shaft 3, power train process now: input shaft 1----constant mesh gear 11---first counter shaft driven gear 31---first jack shaft 3----first jackshaft drive pinion 32 (number is two, each selection one)---the second counter shaft driven gear 25 (number is two)---shifting gear---shifting gear on-output shaft---output shaft 4 on the-the second jack shaft 2---second jack shaft; Number due to the driving gear of the first jack shaft 3 is two, and the second jack shaft 2 and output shaft 4 have three pairs of gear pairs, therefore, can realize a gearbox 2*3=6 gear.
When the second jack shaft 2 crosses the first jack shaft 3, namely input shaft 1 is directly connected with the second jack shaft 2, power transmission process now: shifting gear---shifting gear on the output shaft---output shaft 4 on input shaft 1---second jack shaft 2---second jack shaft; Due to the second jack shaft 2 and output shaft 4 having three pairs of engaged gear gears, therefore, another three gears of gearbox can be realized, be namely total up to 9 gears.The calculation method of gear also can be 3*3, and in conjunction with the calculating of the first embodiment, the calculation method of the gear number in the application is: the gear number of gears on number of gears * second jack shaft on gear number=the first jack shaft.
In like manner, it is many that the program also has gear number, and structure is simple, transmission efficiency advantages of higher.
The position of the clutch collar provided in the application can be arranged on different positions, as long as can realize the mode of the engagement driving of foregoing description according to different needs.
On the basis of technique scheme, in the application, this speed changer is set to AMT speed changer, i.e. electric-controlled mechanical automatic speed transmission, so that control automobile, improves driving comfortability.
For the ease of transmission, in the application, the driving gear of gear disclosed in above-described embodiment and gear driven gear are all set to helical gear.
The application further comprises a kind of automobile, comprises speed changer, and this speed changer is the formula of mixed connection disclosed in above-described embodiment twin countershaft transmission, and therefore, it is effective that the automobile with this speed changer also has above-mentioned institute, and this is no longer going to repeat them.
In practice, this mixed connection formula twin countershaft transmission also thinks that automobile front drive speed changer also can be rear-guard speed changer.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a mixed connection formula twin countershaft transmission, comprises input shaft (1) and output shaft (4), it is characterized in that, also comprise:
First jack shaft (3), described first jack shaft (3) is provided with the first counter shaft driven gear (31) engaged with the constant mesh gear (11) on described input shaft (1), the first jackshaft drive pinion (32) be fixedly connected with described first jack shaft (3);
Second jack shaft (2), described second jack shaft (2) is connected by shaft connector is separable with described input shaft (1), described second jack shaft (2) is provided with the second counter shaft driven gear (25) engaged with described first jackshaft drive pinion (32), and multiple gear driving gear;
Output shaft (4) is provided with the gear driven gear engaged one by one with described gear driving gear, form gear engagement pair, a gear in often pair of described gear engagement pair is fixedly connected with place axle, another gear, with soldered tooth circle, can not rotate during engage a gear on its place axle;
The clutch collar that can engage with the joint gear ring that can relatively rotate sheathed gear with place axle in described gear engagement pair, clutch collar can slide axially on axle.
2. mixed connection formula twin countershaft transmission according to claim 1, it is characterized in that, described shaft connector comprises:
Be arranged on the first clutch collar (51) on described second jack shaft (2), described first clutch collar (51) can be slided along the axial direction of described second jack shaft (2), and with described second jack shaft (2) synchronous axial system, described first clutch collar (51) can engage near the one of described constant mesh gear (11) with described second counter shaft driven gear;
Be fixed on that described input shaft (1) is upper and the input shaft that can engage with described first clutch collar (51) engages gear ring.
3. mixed connection formula twin countershaft transmission according to claim 2, it is characterized in that, described first jack shaft (3) is provided with described first jackshaft drive pinion (32), described second jack shaft (2) is provided with described second counter shaft driven gear (25).
4. mixed connection formula twin countershaft transmission according to claim 3, it is characterized in that, described second jack shaft (2) is provided with four described gear driving gears, four described gear driving gears are respectively the first gear driving gear (21), the second gear driving gear (22), third gear driving gear (23) and fourth speed position driving gear (24);
Described output shaft (4) is provided with four described gear driven gears, fourth speed position driven gear (44) that four described gear driven gears are respectively the first gear driven gear (41) engaged with described first gear driving gear (21), the second gear driven gear (42) engaged with described second gear driving gear (22), the third gear driven gear (43) engaged with described third gear driving gear (23) and engage with described fourth speed position driving gear (24).
5. mixed connection formula twin countershaft transmission according to claim 4, it is characterized in that, described clutch collar comprises:
The described output shaft (4) that is arranged on slided is gone up and is positioned at the second clutch collar (52) between described first gear driven gear (41) and described second gear driven gear (42), and described second clutch collar (52) can engage respectively with described first gear driven gear (41) and described second shifting gear (42);
Described second jack shaft (2) that is arranged on slided is gone up and is positioned at the 3rd clutch collar (43) between described third gear driving gear (23) and described fourth speed position driving gear (24), and described 3rd clutch collar (43) can engage respectively with described third gear driving gear (23) and described fourth speed position driving gear (24).
6. mixed connection formula twin countershaft transmission according to claim 2, it is characterized in that, described first jack shaft (3) is provided with two described first jackshaft drive pinions (32), described second counter shaft driven gear (25) is engaged with described first jackshaft drive pinion (32) one_to_one corresponding.
7. mixed connection formula twin countershaft transmission according to claim 6, it is characterized in that, described second jack shaft (2) is provided with three described gear driving gears, three described gear driving gears are respectively the first gear driving gear (21), the second gear driving gear (22) and the 3rd initiatively shifting gear (23);
Described output shaft (4) is provided with three described gear driven gears, the third gear driven gear (43) that three described gear driven gears are respectively the first gear driven gear (41) engaged with described first gear driving gear (21), the second gear driven gear (42) engaged with described second gear driving gear (22) and engage with described third gear driving gear (23).
8. mixed connection formula twin countershaft transmission according to claim 7, it is characterized in that, described clutch collar comprises:
Described second jack shaft (2) that is arranged on slided is gone up and second clutch collar (52) that can engage with the one away from described first clutch collar (51) in described second counter shaft driven gear (25);
The described output shaft (4) that is arranged on slided is gone up and the 3rd clutch collar (53) be positioned between described first gear driven gear (41) and described second gear driven gear (42), and described 3rd clutch collar (53) can engage respectively with described first gear driven gear (41) and described second gear driven gear (42);
Described second jack shaft (2) that is arranged on slided is gone up and the 4th clutch collar (54) that can engage with described third gear driving gear (23).
9. the mixed connection formula twin countershaft transmission according to any one of claim 1-8, is characterized in that, described speed changer is AMT speed changer.
10. an automobile, comprises speed changer, it is characterized in that, described speed changer is the mixed connection formula twin countershaft transmission described in any one of the claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510945130.7A CN105402332A (en) | 2015-12-16 | 2015-12-16 | Automobile and mixed-connected double-intermediate-shaft transmission thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510945130.7A CN105402332A (en) | 2015-12-16 | 2015-12-16 | Automobile and mixed-connected double-intermediate-shaft transmission thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105402332A true CN105402332A (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510945130.7A Pending CN105402332A (en) | 2015-12-16 | 2015-12-16 | Automobile and mixed-connected double-intermediate-shaft transmission thereof |
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| Country | Link |
|---|---|
| CN (1) | CN105402332A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107795643A (en) * | 2017-10-23 | 2018-03-13 | 山东迈克拉克工程机械有限公司 | A kind of speed changer |
| CN114738447A (en) * | 2022-05-18 | 2022-07-12 | 一汽解放汽车有限公司 | Multi-gear electric-drive speed change system and vehicle |
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| CN107795643A (en) * | 2017-10-23 | 2018-03-13 | 山东迈克拉克工程机械有限公司 | A kind of speed changer |
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| CN114738447A (en) * | 2022-05-18 | 2022-07-12 | 一汽解放汽车有限公司 | Multi-gear electric-drive speed change system and vehicle |
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Application publication date: 20160316 |