CN105276100B - A kind of speed changer - Google Patents
A kind of speed changer Download PDFInfo
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- CN105276100B CN105276100B CN201410307126.3A CN201410307126A CN105276100B CN 105276100 B CN105276100 B CN 105276100B CN 201410307126 A CN201410307126 A CN 201410307126A CN 105276100 B CN105276100 B CN 105276100B
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Abstract
To overcome the problems, such as that long, the fast ratio error of double-clutch speed changer axial length of the prior art is larger, the present invention provides a kind of speed changer, including double clutch components, the first input module, the first output precision, first gear group, the second input module, the second output precision, second gear group, reverse gear output precision and reverse gearset.The double-clutch speed changer axial length of speed changer provided by the invention is short, and overall structure is more compact, beneficial to the more rational arrangement on vehicle；And its unshared driving gear, dynamic property and economy of the actual speed than closer to required speed ratio, improving vehicle.
Description
Technical field
The invention belongs to vehicle speed variation technical field, more particularly to a kind of double-clutch speed changer.
Background technology
With can not be reduced and Vehicular exhaust increasingly aggravates the pollution of environment in the continuous of production-goods source oil, various countries are to vehicle
Oil consumption and emission regulation demands it is more and more tighter.The transmission efficiency of transmission system is very big on vehicle oil consumption influence, and exploitation is efficient
Energy saving automatic transmission has become the emphasis of domestic and international vehicle enterprise research and development.Traditional automatic transmission (AT) and stepless automatic transmission
Device (CVT) fluid torque-converter relatively low because employing transmission efficiency, comprehensive transmission efficiency only up to reach 85% or so, and double
The transmission efficiency of clutch automatic transmission can reach more than 93%.Carry double-clutch speed changer vehicle be in recent years
Existing rapid growth trend, is subject to the green grass or young crops of more and more consumers to narrow.
Double-clutch speed changer (DCT, Dual Clutch Transmission) is by two gearboxes and two clutches
It being integrated in a gearbox, two input shafts being rotatably sleeved in together are connected respectively with one of clutch,
Two input shafts transmit the power of two gearbox speed groups respectively, by automatically switching to complete between two clutches
Gearshift program, therefore can realize the power shift of gearshift procedure, i.e., power is interrupted in gearshift procedure, overcome AMT gear shift
The shortcomings that impact, vehicle is in gearshift procedure, and the power of engine always can be for delivery to wheel, and gear shift is steady rapidly, not only
It ensure that the acceleration of vehicle, and since vehicle no longer generates the situation that is a significant slowdown caused by gear shift, also greatly change
It has been apt to the comfort of vehicle operation.
Structurally, double-clutch speed changer generally includes the clutch of a pair of mutually special engagement.Clutch driving one
To input shaft, each input shaft includes the multiple gears and the relevant synchronization that are rotatably arranged on input shaft
Device.The multiple gear is often engaged with being fastened to the gear of output shaft.Synchronizer activation is synchronously and gear selected by connection is defeated to its
Enter axis.Then, clutch engagement associated with the input shaft, output shaft is transferred to by torque from input shaft.
But due to existing double-clutch speed changer mostly using double output shaft or single output shaft and share driving gear or
Person's linear arrangement gear set, therefore its axial dimension is longer.It is especially small for the vehicle of preceding transverse engine, front-wheel drive
Type vehicle, installation space is limited, to double-clutch speed changer use and arrangement brings very big limitation.And double-clutch speed changer is adopted
During with shared driving gear, fast ratio error is larger, it is difficult to which fast ratio needed for realization is unfavorable for that engine is made to work in best region.
The content of the invention
The technical problems to be solved by the invention are for double-clutch speed changer axial length of the prior art length, fast ratio
The problem of error is larger provides a kind of speed changer.
Technical solution is as follows used by the present invention solves above-mentioned technical problem：
A kind of speed changer is provided, including：
Double clutch components, double clutch components include alternative be connected individually to the first of engine output member from
Clutch and second clutch；
First input module, first input module include the first input shaft for being connected to the first clutch；Institute
The first input shaft is stated optionally to be combined to obtain torque with the engine output member by the first clutch；
First output precision, first output precision include the be arranged in parallel with first input shaft first output
Axis；
First gear group, the first gear group include secondary intermediate gear, fourth gear pair, six step tooth wheel set and eight grades of teeth
Wheel set；The secondary two grades of driving gears for including mutually often engaging of the intermediate gear and two grades of driven gears；The fourth gear pair
Including the fourth gear driving gear mutually often engaged and fourth gear driven gear；The six step tooth wheel set includes six grades mutually often engaged
Driving gear and six grades of driven gears；The secondary eight grades of driving gears for including mutually often engaging of eight shelves gear and eight grades of driven tooths
Wheel；It is defeated that two grades of driving gears, fourth gear driving gear, six grades of driving gears and eight grades of driving gears may be contained within described first
Enter on axis, two grades of driven gears, the fourth gear driven gear, six grades of driven gears and eight grades of driven gears are equal
It is arranged on first output shaft；First input shaft can it is secondary by the intermediate gear, the fourth gear is secondary, described
Any one in six step tooth wheel set and the eight shelves gears pair is bound to first output shaft, defeated from described first to be formed
Enter axis to the torque transmission channel of first output shaft, and from the first output shaft output torque；
Second input module, second input module include the second input shaft and input countershaft；Second input shaft
Coaxial sleeve is arranged on outside first input shaft and is connected to the second clutch, alternative by the second clutch
Combined with the engine output member obtain torque；The input countershaft is arranged in parallel with second input shaft, and
It can be rotate in same direction under the drive of second input shaft with second input shaft, to be formed from second input shaft to institute
State the torque transmission channel of input countershaft；
Second output precision, second output precision include the second output shaft being arranged in parallel with the input countershaft；
Second gear group, the second gear group include a secondary shelves gear, third gear pair, five shelves gears pair and seven grades of teeth
Wheel set；The secondary one grade of driving gear and first speed driven gear for including mutually often engaging of one shelves gear；The third gear pair
Including the third speed drive gear mutually often engaged and third gear driven gear；Secondary include mutually often engaging five grades of five shelves gear
Driving gear and five grades of driven gears；The secondary seven grades of driving gears for including mutually often engaging of seven shelves gear and seven grades of driven tooths
Wheel；Seven grades of driving gears, five grades of driving gears, one grade of driving gear and the third speed drive gear are along from institute
The direction of engine from the close-by examples to those far off is stated to be set in turn on the input countershaft；Seven grades of driven gears, described five grades it is driven
Gear, the first speed driven gear and the third gear driven gear are set in turn in along the direction from the engine from the close-by examples to those far off
On second output shaft；The input countershaft can secondary by a shelves gear, described third gear pair, five shelves gear
Any one in secondary and described seven shelves gears pair is bound to second output shaft, to be formed from the input countershaft to described
The torque transmission channel of second output shaft, and from the second output shaft output torque；
Reverse gear output precision, the reverse gear output precision include the reversing shaft being arranged in parallel with first output shaft；
Reverse gearset, the reverse gearset include the reverse driving gear mutually often engaged and reverse gear driven gear；
The reverse gear driven gear is arranged on the reversing shaft；The reversing shaft can pass through the reverse gear driven gear and the reverse gear
Driving gear selectivity is bound to first input shaft or second input shaft, to be formed from first input shaft or
Second input shaft to the reversing shaft torque transmission channel, and from the reversing shaft output torque.
In speed changer provided by the invention, two gear sets will be divided into corresponding to the gear of multiple gears, and by two teeth
Wheel group is respectively arranged on two sets of independent input shafts.Therefore, the gear quantity on every suit input shaft axis is reduced, and is greatly reduced
The axial length of input shaft reduces the axial length of speed changer.And using overall dimensions identical with existing speed changer
Under the premise of, gear number can be added, so as to expand the gear range of speed changer, gearratio distribution is more reasonable, beneficial to raising
The power performance of vehicle.
Meanwhile in above-mentioned speed changer, in two gear sets, each driving gear is only engaged with a driven gear, nothing
Gear is shared, makes the actual speed of speed changer than closer to required fast ratio, fast ratio error is small, beneficial to the dynamic property for improving vehicle
And economy.
Further, second input module further includes the second input shaft driving gear, intermediate idler, intermediate idler branch
Hold axis and input countershaft drive gear；The second input shaft driving gear is fixed on second input shaft；The input
Countershaft drive gear is fixed on the input countershaft；The intermediate idler support shaft is arranged in parallel with the input countershaft；Institute
Intermediate idler is stated to be arranged in the intermediate idler support shaft, and simultaneously with the second input shaft driving gear and the input
Countershaft drive gear often engages, and the torque of second input shaft is transferred to the input countershaft.
Further, the input countershaft drive gear be located at five grades of driving gears and one grade of driving gear it
Between.
Further, second output shaft and/or the input countershaft middle part are provided with bearing.
In the present invention, second output shaft and/or the input countershaft middle part are provided with bearing can be better
Second output shaft and/or the input countershaft are supported, improve the stability of speed changer.Meanwhile it is carried in the present invention
Under the premise of the speed changer structure of confession, the setting of above-mentioned bearing will not be to the second input module, the second output precision and the second tooth
The setting of wheel group brings obvious negative effect.
Further, first input shaft by synchronizer through the intermediate gear is secondary, the fourth gear is secondary, described
Any one in six step tooth wheel set and the eight shelves gears pair is bound to first output shaft；The input countershaft passes through same
Device is walked through seven shelves gear is secondary, five shelves gear is secondary, any one in the secondary and described third gear pair of a shelves gear
It is a to be bound to second output shaft.
Further, the reverse driving gear is arranged on first output shaft, and with two grades of driven gears,
One of them in the fourth gear driven gear, six grades of driven gears and eight grades of driven gears is fixedly connected.
Further, the speed changer further includes the reversing-gear synchronizer being arranged on the reversing shaft；The reverse gear is driven
Gear is placed on the reversing shaft, and the reverse gear driven gear can pass through the reversing-gear synchronizer and the reversing shaft knot
It closes.
Further, the speed changer further include the first synchronizer being arranged on the input countershaft, be arranged at it is described
The second synchronizer on second output shaft, the 3rd synchronizer being arranged on first input shaft and to be arranged at described first defeated
The 4th synchronizer on shaft；The first speed driven gear and the third gear driven gear are in the second synchronizer both sides empty set
In on second output shaft, and the first speed driven gear and the third gear driven gear can be each independent by described
Second synchronizer is combined with second output shaft；Seven grades of driving gears and five grades of driving gears are same described first
Step device both sides are placed on the input countershaft, and seven grades of driving gears and five grades of driving gears can be each independent
By first synchronizer with it is described input countershaft combined；Six grades of driving gears and eight grades of driving gears are in institute
The 3rd synchronizer both sides are stated to be placed on first input shaft, and six grades of driving gears and eight grades of driving gears
It each independent can be combined by the 3rd synchronizer with first input shaft；Two grades of driven gears and the fourth gear
Driven gear is placed in the 4th synchronizer both sides on first output shaft, and two grades of driven gears and described
Fourth gear driven gear each independent can be combined by the 4th synchronizer with first output shaft.
Further, the reverse driving gear is fixedly connected with two grades of driven gears, and is placed in simultaneously described
On first output shaft.
Further, the speed changer includes torque output component；The torque output component includes being fixed on described the
The first reduction gearing on one output shaft, the second reduction gearing being fixed on second output shaft are fixed on the reverse gear
The 3rd reduction gearing on axis, the differential mechanism with differential mechanism gear ring；The differential mechanism gear ring of the differential mechanism is simultaneously with described the
One reduction gearing, second reduction gearing and the 3rd reduction gearing engagement, to receive first reduction gearing, described
Torque that second reduction gearing or the 3rd reduction gearing are transmitted to and output.
Description of the drawings
Fig. 1 is the principle schematic diagram of the speed changer provided in the preferred embodiment for the present invention.
Reference numeral in Figure of description is as follows：
1st, seven grades of driving gears；2nd, seven grades of driven gears；3rd, the first synchronizer；4th, five grades of driving gears；5th, five grades it is driven
Gear；6th, the second reduction gearing；7th, countershaft drive gear is inputted；8th, first speed driven gear；9th, one grade of driving gear；10th, second
Synchronizer；11st, third gear driven gear；12nd, the second output shaft；13rd, third speed drive gear；14th, countershaft is inputted；15th, intermediate idler；
16th, two grades of driving gears；17th, fourth gear driving gear；18th, the first input shaft；19th, six grades of driving gears；20th, the 3rd synchronizer；
21st, eight grades of driving gears；22nd, eight grades of driven gears；23rd, the first output shaft；24th, six grades of driven gears；25th, fourth gear driven tooth
Wheel；26th, the 4th synchronizer；27th, two grades of driven gears；28th, reversing-gear synchronizer；29th, reverse gear driven gear；30th, the 3rd reducing gear
Wheel；31st, reversing shaft；32nd, reverse driving gear；33rd, the first reduction gearing；34th, the second input shaft driving gear；35th, engine
Bent axle；36th, first clutch；37th, second clutch；38th, the second input shaft；39th, intermediate idler support shaft；40th, differential mechanism tooth
Circle；41st, differential mechanism；42nd, engine.
Specific embodiment
In order to which technical problem solved by the invention, technical solution and advantageous effect is more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
In the description of the present invention, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the present invention, it is necessary to which explanation, unless otherwise clearly defined and limited, term " with reference to " " is set
Put ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected；It can be directly connected,
It can also be indirectly connected by intermediary.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
Speed changer provided by the invention, including：
Double clutch components, double clutch components include alternative be connected individually to the first of engine output member from
Clutch and second clutch；
First input module, first input module include the first input shaft for being connected to the first clutch；Institute
The first input shaft is stated optionally to be combined to obtain torque with the engine output member by the first clutch；
First output precision, first output precision include the be arranged in parallel with first input shaft first output
Axis；
First gear group, the first gear group include secondary intermediate gear, fourth gear pair, six step tooth wheel set and eight grades of teeth
Wheel set；The secondary two grades of driving gears for including mutually often engaging of the intermediate gear and two grades of driven gears；The fourth gear pair
Including the fourth gear driving gear mutually often engaged and fourth gear driven gear；The six step tooth wheel set includes six grades mutually often engaged
Driving gear and six grades of driven gears；The secondary eight grades of driving gears for including mutually often engaging of eight shelves gear and eight grades of driven tooths
Wheel；It is defeated that two grades of driving gears, fourth gear driving gear, six grades of driving gears and eight grades of driving gears may be contained within described first
Enter on axis, two grades of driven gears, the fourth gear driven gear, six grades of driven gears and eight grades of driven gears are equal
It is arranged on first output shaft；First input shaft can it is secondary by the intermediate gear, the fourth gear is secondary, described
Any one in six step tooth wheel set and the eight shelves gears pair is bound to first output shaft, defeated from described first to be formed
Enter axis to the torque transmission channel of first output shaft, and from the first output shaft output torque；
Second input module, second input module include the second input shaft and input countershaft；Second input shaft
Coaxial sleeve is arranged on outside first input shaft and is connected to the second clutch, alternative by the second clutch
Combined with the engine output member obtain torque；The input countershaft is arranged in parallel with second input shaft, and
It can be rotate in same direction under the drive of second input shaft with second input shaft, to be formed from second input shaft to institute
State the torque transmission channel of input countershaft；
Second output precision, second output precision include the second output shaft being arranged in parallel with the input countershaft；
Second gear group, the second gear group include a secondary shelves gear, third gear pair, five shelves gears pair and seven grades of teeth
Wheel set；The secondary one grade of driving gear and first speed driven gear for including mutually often engaging of one shelves gear；The third gear pair
Including the third speed drive gear mutually often engaged and third gear driven gear；Secondary include mutually often engaging five grades of five shelves gear
Driving gear and five grades of driven gears；The secondary seven grades of driving gears for including mutually often engaging of seven shelves gear and seven grades of driven tooths
Wheel；Seven grades of driving gears, five grades of driving gears, one grade of driving gear and the third speed drive gear are along from institute
The direction of engine from the close-by examples to those far off is stated to be set in turn on the input countershaft；Seven grades of driven gears, described five grades it is driven
Gear, the first speed driven gear and the third gear driven gear are set in turn in along the direction from the engine from the close-by examples to those far off
On second output shaft；The input countershaft can secondary by a shelves gear, described third gear pair, five shelves gear
Any one in secondary and described seven shelves gears pair is bound to second output shaft, to be formed from the input countershaft to described
The torque transmission channel of second output shaft, and from the second output shaft output torque；
Reverse gear output precision, the reverse gear output precision include the reversing shaft being arranged in parallel with first output shaft；
Reverse gearset, the reverse gearset include the reverse driving gear mutually often engaged and reverse gear driven gear；
The reverse gear driven gear is arranged on the reversing shaft；The reversing shaft can pass through the reverse gear driven gear and the reverse gear
Driving gear selectivity is bound to first input shaft or second input shaft, to be formed from first input shaft or
Second input shaft to the reversing shaft torque transmission channel, and from the reversing shaft output torque.
In speed changer provided by the invention, double clutch components and double clutch components in existing double-clutch speed changer
It is identical, the first clutch and second clutch of engine output member are connected individually to including alternative.
As known to those skilled in the art, two clutches in double-clutch speed changer control two groups of correspondences not respectively
With the gear of gear.When double clutch gearboxes operate, first clutch work, one group of gear is engaged, and close gearshift
When, the gear of next gear has been preselected, but second clutch is still in discrete state；First clutch when gearshift
Gear separation in using, while the gear that second clutch engagement has been preselected, have always in entire shift process
One group of gear exports power, realizes the uninterrupted output of power.
Specifically, the first clutch and second clutch of double clutch components can each individually and engine output member
(engine crankshaft) connects.For example, in shift process, first clutch and second clutch are alternately connected to engine output
Component.
In the present invention, corresponding to two clutches, above-mentioned speed changer includes two sets of power output systems, specially with first
Clutch connection, the first set power output system including the first input module, the first output precision and first gear group and with
Second clutch connection, second set of power output system including the second input module, the second output precision and second gear group.
Wherein, first input module includes the first input shaft for being connected to the first clutch；Described first is defeated
Enter axis optionally to be combined to obtain torque with the engine output member by the first clutch.That is, such as ability
Field technique personnel are known that engine output member (bent axle), which can be achieved, by the separation or closure of first clutch provides torsion
The disconnection or transmission of square.
First input shaft is simultaneously for carrying driving gear, to transfer torque to the first output shaft.
In the present invention, the first output precision includes the first output shaft being arranged in parallel with first input shaft.First is defeated
Shaft for receive the torque that is transmitted to of the first input shaft and by be arranged on the first output shaft with the first input shaft
Driving gear engagement driven gear adjustment after export.
First gear group is used to the torque of the first input shaft passing to the first output shaft according to the present invention.Specifically, institute
Stating first gear group includes the gear pair that multiple driving gears and driven gear by mutually often engaging forms.In the present invention, institute
Stating first gear group includes secondary intermediate gear, fourth gear pair, six step tooth wheel set and eight shelves gear pairs.Above-mentioned intermediate gear pair,
Fourth gear is secondary, six step tooth wheel set and eight shelves gear pairs be respectively used to control realize speed changer export two grades of torques, fourth gear torque,
Six grades of torques and eight grades of torques.
The secondary two grades of driving gears for including mutually often engaging of the intermediate gear and two grades of driven gears；The fourth gear
Pair includes the fourth gear driving gear mutually often engaged and fourth gear driven gear；The six step tooth wheel set includes mutually often engage six
Shelves driving gear and six grades of driven gears；Eight shelves gear is secondary driven including the mutual eight grades of driving gears often engaged and eight grades
Gear.
Also, two grades of driving gears, fourth gear driving gear, six grades of driving gears and eight grades of driving gears may be contained within
On first input shaft, two grades of driven gears, the fourth gear driven gear, six grades of driven gears and eight grades described
Driven gear may be contained on first output shaft.
In the present invention, above-mentioned intermediate gear is secondary, fourth gear is secondary, the relative position of six step tooth wheel set and eight shelves gears pair does not have
Have specifically limited, for example, in the present invention, above-mentioned intermediate gear is secondary, fourth gear is secondary, six step tooth wheel set and eight shelves gear pairs can press
It is set gradually along the direction from the engine from the close-by examples to those far off.
In above-mentioned first gear group, each gear pair corresponds to a gear, specifically, intermediate gear is secondary, fourth gear
Secondary, six step tooth wheel set and eight shelves gear pairs correspond respectively to two grades, fourth gear, six grades and eight grades, therefore, to mutual between each gear pair
It differs, to realize different gearratios.During transmission duty, the gear subtask corresponding to selected gear need to be made, with
Realize that torque is transferred to through the gear pair on the first output shaft from the first input shaft.That is, described first input shaft can be by described
Intermediate gear is secondary, the fourth gear is secondary, any one in the six step tooth wheel set and the eight shelves gears pair is bound to institute
The first output shaft is stated, to be formed from first input shaft to the torque transmission channel of first output shaft, and from described the
One output shaft output torque.
According to the present invention it is possible to understand, if the driving gear and driven gear on multiple gears are respectively fixed on the
On one input shaft and first output shaft.When one pair of which driving gear and driven gear normal rotation, first will be driven
Input shaft and first output shaft rotate.At this point, it is fixed on remaining gear on the first input shaft and first output shaft
Driving gear and driven gear the first input shaft and first output shaft is followed to rotate.And the gear pair of each gear
Different, with the first input shaft and first output shaft, forced rotating will cause speed changer to the gear pair of multiple gears simultaneously
Damage.So when desired rotation target gear gear pair with the first input shaft and the first output shaft normal rotation
During work, the gear pair of remaining gear can not be fixed with the first input shaft and first output shaft simultaneously.That is, driving gear with
It is separated from each other at least one between this two group parts of first input shaft, driven gear and the first output shaft.Meanwhile it is needing
When driving gear and the first input shaft, driven gear and the first output shaft this two group parts need to fix simultaneously, it is normal to realize
The function that torque transfers.It that is, need to can basis by each gear pair of component controls and the first input shaft and first output shaft
It needs to disconnect or fix simultaneously.
As is known in the art, first input shaft is through intermediate gear pair, fourth gear pair, six
Any one secondary in eight shelves gear pairs of shelves gear is bound to first output shaft and existing synchronizer realization, example can be used
Such as, first input shaft by synchronizer through the intermediate gear is secondary, the fourth gear is secondary, the six step tooth wheel set and institute
Any one stated in eight shelves gear pairs is bound to first output shaft.
It should be understood that according to the present invention, it need to only make first input shaft, gear pair, the first output shaft this torque
Controllable disconnection or connection are realized at one in transmission channel, i.e. driving gear and the first input shaft, driven gear and first
It is controllable at one in this two group parts of output shaft.For another place, can controllable disconnection or company equally be realized using synchronizer
It connects.But from simplify control, reduce parts, reduce cost from the aspect of, only needed in above-mentioned two group parts it is controllable at one, separately
It is used at one and is completely fixed connection.
According to the present invention, specifically, the speed changer further includes the 3rd synchronizer being arranged on first input shaft
With the 4th synchronizer being arranged on first output shaft.Six grades of driving gears and eight grades of driving gears are described
3rd synchronizer both sides are placed on first input shaft, and six grades of driving gears and eight grades of driving gears can
It is each independent to be combined by the 3rd synchronizer with first input shaft；Two grades of driven gears and the fourth gear from
Moving gear is placed in the 4th synchronizer both sides on first output shaft, and two grades of driven gears and described four
Shelves driven gear each independent can be combined by the 4th synchronizer with first output shaft.
In the present invention, the second input module includes the second input shaft and input countershaft.
As is known in the art, the second input shaft is for being connected to second clutch, and is in second clutch
During closure state, the torque that engine output member provides is obtained.In general, the second input shaft coaxial sleeve is arranged on the described first input
Outside axis.
It is appreciated that the part that the first input shaft is located inside the second input shaft can not install gear.Second input axle sleeve
Length outside the first input shaft is longer, will cause that on the first input shaft in the range of larger lengths gear can not be installed,
Then the first input shaft length is caused.Therefore, installed on the second input shaft less gear be beneficial to shorten it is second defeated
Enter the length of axis, can then shorten the length of the first input shaft.
In the present invention, by increasing an input countershaft being arranged in parallel compared with the second input shaft, it is defeated to play original second
Enter the effect of axis, the driving gear that script need to be arranged on the second input shaft can be arranged on the input countershaft, so as to contract
The length of short second input shaft, and then realize the purpose for shortening entire speed changer axial length.
Specifically, the input countershaft need to be arranged in parallel with the second input shaft, and can be under the drive of second input shaft
It is rotate in same direction with second input shaft.Input countershaft rotation direction it is identical with the rotation direction of the second input shaft avoid by
Change the influence to subsequent parts design in the follow-up transmission direction that rotation direction instead results in.
According to the present invention, realize what input countershaft rotate in same direction under the drive of the second input shaft with second input shaft
There are many structures.In the present invention, under preferable case, second input module further includes the second input shaft driving gear, centre
Idle pulley, intermediate idler support shaft and input countershaft drive gear；It is defeated that the second input shaft driving gear is fixed on described second
Enter on axis；The input countershaft drive gear is fixed on the input countershaft；The intermediate idler support shaft and the input
Countershaft is arranged in parallel；The intermediate idler is arranged in the intermediate idler support shaft, and simultaneously with the second input shaft master
Moving gear and the input countershaft drive gear often engage, and it is secondary that the torque of second input shaft is transferred to the input
Axis.
In said structure, the intermediate idler is fixed or is placed in the intermediate idler support shaft.When intermediate idler is consolidated
When in the intermediate idler support shaft, intermediate idler support shaft is rotated synchronously with intermediate idler, at this time can be by by centre
Idle pulley support shaft both ends, which are fixed on bearing, to be realized.It is intermediate lazy when intermediate idler is placed in the intermediate idler support shaft
Wheel can be freely rotated around intermediate idler support shaft.
According to the present invention, second output precision includes the second output shaft being arranged in parallel with the input countershaft.The
Two output shafts are for the driven gear in second set of power output system of carrying.
In the present invention, the second gear group includes a secondary shelves gear, third gear pair, five shelves gears pair and seven shelves gears
It is secondary.An above-mentioned shelves gear is secondary, third gear is secondary, five shelves gears are secondary and seven shelves gear pairs are respectively used to control and realize speed changer output
One grade of torque, third gear torque, five grades of torques and seven grades of torques.
The secondary one grade of driving gear and first speed driven gear for including mutually often engaging of one shelves gear；The third gear
Pair includes the third speed drive gear mutually often engaged and third gear driven gear；The five shelves gears pair includes mutually often engage five
Shelves driving gear and five grades of driven gears；Seven shelves gear is secondary driven including the mutual seven grades of driving gears often engaged and seven grades
Gear.
Seven grades of driving gears, five grades of driving gears, one grade of driving gear and the third speed drive gear
It is set in turn in along the direction from the engine from the close-by examples to those far off on the input countershaft；Seven grades of driven gears, described five
Shelves driven gear, the first speed driven gear and the third gear driven gear are along from engine direction from the close-by examples to those far off successively
It is arranged on second output shaft.
In the present invention, and the first foregoing input shaft, the first output shaft and intermediate gear are secondary, the fourth gear is secondary, institute
As stating six step tooth wheel set or the eight shelves gears pair relation object, the input countershaft can be secondary, described by a shelves gear
Any one in the secondary and described seven shelves gears pair of third gear pair, five shelves gear is bound to second output shaft, with
The torque transmission channel from the input countershaft to second output shaft is formed, and from the second output shaft output torque.
Likewise, the input countershaft is secondary, one grade described through seven shelves gear pair, five shelves gear by synchronizer
Any one in gear pair and the third gear pair is bound to second output shaft.
According to the present invention, specifically, the speed changer further includes the first synchronizer being arranged on the input countershaft, sets
The second synchronizer being placed on second output shaft.
The first speed driven gear and the third gear driven gear are placed in described second in the second synchronizer both sides
On output shaft, and the first speed driven gear and the third gear driven gear each independent can pass through second synchronizer
It is combined with second output shaft；Seven grades of driving gears and five grades of driving gears are empty in the first synchronizer both sides
It is placed on the input countershaft, and seven grades of driving gears and five grades of driving gears can be each independent by described
First synchronizer is combined with the input countershaft.
In the present invention, one grade of driving gear, third speed drive gear, five grades of driving gears, seven are provided on input countershaft
On the basis of shelves driving gear, input countershaft drive gear may be disposed at five grades of driving gears and one grade of driving gear
Between.
It, can be in second output shaft and/or the input countershaft under aforementioned structure in speed changer provided by the invention
Middle part sets bearing, to improve the stability of second output shaft and/or the input countershaft.Specifically, bearing can
It is arranged on secondary the second output shaft and/or input countershaft between five shelves gear pairs of a shelves gear.
According to the present invention, to realize reverse gear function, above-mentioned speed changer further includes reverse gear output precision and reverse gearset.
Specifically, reverse gear output precision, the reverse gear output precision includes falling with what first output shaft was arranged in parallel
Shelves axis.
The reverse gearset includes the reverse driving gear mutually often engaged and reverse gear driven gear.The reverse gear is driven
Gear is arranged on the reversing shaft.
In general, the reverse driving gear is arranged on first output shaft or second output shaft.It is and described
Reversing shaft can by the reverse gear driven gear and the reverse driving gear selectivity be bound to first input shaft or
Second input shaft is led to being formed to transmit from first input shaft or second input shaft to the torque of the reversing shaft
Road, and from the reversing shaft output torque.
The reverse driving gear only need can to get torque and with the rotation of first input shaft or the second input shaft
Direction is opposite, and specific location can be adjusted according to actual conditions.For example, the reverse driving gear be arranged at it is described
On first output shaft, and with two grades of driven gears, the fourth gear driven gear, six grades of driven gears and eight grades described
One of them in driven gear is fixedly connected.
In the present invention, the speed changer further includes the reversing-gear synchronizer being arranged on the reversing shaft；The reverse gear is driven
Gear is placed on the reversing shaft, and the reverse gear driven gear can pass through the reversing-gear synchronizer and the reversing shaft knot
It closes.
In general, during reverse gear, required torque is larger, so, the present invention in, the reverse driving gear with described second from
Moving gear is fixedly connected, and is placed in simultaneously on first output shaft.
In the present invention, the speed changer includes torque output component；The torque output component includes being fixed on described the
The first reduction gearing on one output shaft, the second reduction gearing being fixed on second output shaft are fixed on the reverse gear
The 3rd reduction gearing on axis, the differential mechanism with differential mechanism gear ring；The differential mechanism gear ring of the differential mechanism is simultaneously with described the
One reduction gearing, second reduction gearing and the 3rd reduction gearing engagement, to receive first reduction gearing, described
Torque that second reduction gearing or the 3rd reduction gearing are transmitted to and output.
In the present invention, above-mentioned first reduction gearing is arranged at the first output shaft close to the end of engine.Described second subtracts
Fast gear is arranged on the second output shaft, and secondary between five shelves gear pairs positioned at a shelves gear.3rd reduction gearing reversing shaft
The end of upper close engine.
By setting above-mentioned differential mechanism that can improve the handling of speed changer.
The speed changer provided in the preferred embodiment for the present invention is illustrated with reference to Fig. 1.
As shown in Figure 1, the speed changer includes being connected to the first clutch 36 of engine crankshaft 35 and second clutch 37.
First clutch 36 is connected to the first input shaft 18 simultaneously.Two grades of driving tooths are disposed on first input shaft 18
Wheel 16,17, six grades of driving gears 19 of fourth gear driving gear and eight grades of driving gears 21.Wherein, two grades of driving gears 16 and fourth gear
Driving gear 17 is fixed on the first input shaft 18.Six grades of driving gears 19 and eight grades of driving gears 21 are placed in the first input shaft
On 18.
3rd synchronizer 20 is arranged on the first input shaft 18 between six grades of driving gears 19 and eight grades of driving gears 21,
For controlling the combination of six grades of driving gears 19 and eight grades of 21 and first input shafts 18 of driving gear respectively and separating.
First output shaft 23 is arranged in parallel compared with the first input shaft 18.On first output shaft 23 along apart from engine 42 by
Proximal and distal is disposed with the first reduction gearing 33, reverse driving gear 32, two grades of driven gears 27, fourth gear driven gears
25th, six grades of driven gears 24 and eight grades of driven gears 22.Also, two grades of driven gears 27,25, six grades of fourth gear driven gear are driven
24, eight grades of driven gears 22 of gear respectively with two grades of driving gears 16,17, six grades of driving gears 19 of fourth gear driving gear and eight grades
Driving gear 21 often engages.
Wherein, that driven gear 22 of six grades of driven gears 24 and handle is fixed on the first output shaft 23.Two grades driven
Gear 27 and fourth gear driven gear 25 are placed on the first output shaft 23.
4th synchronizer 26 is arranged on the first output shaft 23 between two grades of driven gears 27 and fourth gear driven gear 25,
For controlling the combination of 25 and first output shaft 23 of two grades of driven gears 27 and fourth gear driven gear respectively and separating.
Meanwhile reverse driving gear 32 is placed on the first output shaft 23, and be fixedly connected with two grades of driven gears 27.The
One reduction gearing 33 is fixed on the first output shaft 23.
Reversing shaft 31 is arranged in parallel compared with the first output shaft 23.On reversing shaft 31 along apart from engine 42 from the close-by examples to those far off
It is disposed with the 3rd reduction gearing 30 and reverse gear driven gear 29.3rd reduction gearing 30 is fixed on reversing shaft 31.Reverse gear
Driven gear 29 is placed on reversing shaft 31, and is often engaged with reverse driving gear 32.
Reversing-gear synchronizer 28 is arranged on reversing shaft 31, for control the combination of reverse gear driven gear 29 and reversing shaft 31 and
Separation.
Second clutch 37 is connected to the second input shaft 38 simultaneously.Second input shaft, 38 coaxial sleeve is arranged on the first input shaft 18
It is external.The second input shaft driving gear 34 is fixed on second input shaft 38.
Intermediate idler support shaft 39 is arranged in parallel compared with the second input shaft 38.Intermediate idler 15 is placed in intermediate idler branch
It holds on axis 39 and is often engaged with the second input shaft driving gear 34.
Input countershaft 14 is arranged in parallel compared with intermediate idler support shaft 39.Input countershaft 14 on along apart from engine 42 by
Proximal and distal is disposed with seven grades of driving gears, 1, five grade of driving gear 4, input countershaft 7, one grades of driving gears 9 of drive gear
With third speed drive gear 13.
Wherein, one grade of driving gear 9, third speed drive gear 13, input countershaft drive gear 7 are fixed on input countershaft 14
On.Seven grades of driving gears, 1, five grade of driving gear 4 is placed on input countershaft 14.
First synchronizer 3 is arranged on the input countershaft 14 between seven grades of driving gears 1 and five grades of driving gears 4, is used for
Seven grades of driving gears 1 and five grades of driving gears 4 are controlled respectively and are inputted the combination of countershaft 14 and separated.
Input countershaft drive gear 7 is often engaged with intermediate idler 15.
Second output shaft 12 is arranged in parallel compared with input countershaft 14.On second output shaft 12 along apart from engine 42 by near
And remote it is disposed with seven grades of driven gears, 2, five grades of driven gears 5, the second reduction gearing 6, first speed driven gear 8 and third gear
Driven gear 11.Wherein, seven grades of driven gears, 2, five grades of driven gears 5, first speed driven gear 8 and third gear driven gear 11 are distinguished
It is often engaged with seven grades of 1, five grade of driving gear, 4, one grades of driving gear driving gears 9 and third speed drive gear 13.
First speed driven gear 8 and third gear driven gear 11 are placed on the second output shaft 12.Second 6, seven grades of reduction gearing
Driven gear 2 and five grades of driven gears 5 are fixed on the second output shaft 12.
Second synchronizer 10 is arranged on the second output shaft 12 between first speed driven gear 8 and third gear driven gear 11,
For controlling the combination of 11 and second output shaft 12 of first speed driven gear 8 and third gear driven gear respectively and separating.One grade driven
Bearing (not shown) is additionally provided on the second output shaft 12 between 8 and second reduction gearing 6 of gear.Input countershaft driving
Bearing (not shown) is additionally provided on input countershaft 14 between gear 7 and five grades of driving gears 4.
First reduction gearing 33, the second reduction gearing 6 and the 3rd reduction gearing 30 are often engaged to the differential mechanism of difference device
Gear ring 40.
Each shelves kinetic current and shift process of the speed changer provided with reference to Fig. 1 to the preferred embodiment for the present invention carry out
Explanation.
One grade of power transmission route：Second synchronizer 10 and first speed driven gear 8 engage, and second clutch 37 is closed, hair
42 torque of motivation passes to the second input shaft driving gear 34 by second clutch 37, and it is secondary to pass to input via intermediate idler 15
7, one grades of driving gears 9 of axis drive gear.8 and second synchronizer 10 of first speed driven gear transfers torque to the second output shaft 12
On the second reduction gearing 6, then by differential mechanism gear ring 40, and power is finally exported by differential mechanism 41.
Two grades of power transmission routes：4th synchronizer 26 and two grades of driven gears 27 engage, and first clutch 36 is closed, hair
42 torque of motivation passes to the first input shaft 18 by first clutch 36, via two grades of masters being fixed on the first input shaft 18
Moving gear 16 passes to two grades of driven gears 27, then is engaged by two grades of driven gears 27 with the 4th synchronizer 26 and transfer torque to
The first reduction gearing 33 on one output shaft 23, then by differential mechanism gear ring 40, and power is finally exported by differential mechanism 41.
Third gear power transmission line：Second synchronizer 10 and third gear driven gear 11 engage, and second clutch 37 is closed, hair
42 torque of motivation passes to the second input shaft driving gear 34 by second clutch 37, and it is secondary to pass to input via intermediate idler 15
Axis drive gear 7, third speed drive gear 13.11 and second synchronizer 10 of third gear driven gear transfers torque to the second output shaft
The second reduction gearing 6 on 12, then by differential mechanism gear ring 40, and power is finally exported by differential mechanism 41.
Fourth gear power transmission line：4th synchronizer 26 and fourth gear driven gear 25 engage, and first clutch 36 is closed, hair
42 torque of motivation passes to the first input shaft 18 by first clutch 36, via the fourth gear master being fixed on the first input shaft 18
Moving gear 17 passes to fourth gear driven gear 25, then is engaged by fourth gear driven gear 25 with the 4th synchronizer 26 and transfer torque to
The first reduction gearing 33 on one output shaft 23, then by differential mechanism gear ring 40, and power is finally exported by differential mechanism 41.
Five grades of power transmission lines：First synchronizer 3 and five grades of driving gears 4 engage, and second clutch 37 is closed, and is started
42 torque of machine passes to the second input shaft driving gear 34 by second clutch 37, and input countershaft is passed to via intermediate idler 15
Drive gear 7, the first synchronizer 3.Five grades of 4 and first synchronizers 3 of driving gear are transferred torque on the second output shaft 12
Second reduction gearing 6, then by differential mechanism gear ring 40, and power is finally exported by differential mechanism 41.
Six grades of power transmission lines：3rd synchronizer 20 and six grades of driving gears 19 engage, and first clutch 36 is closed, hair
42 torque of motivation passes to the first input shaft 18, the 3rd synchronizer 20 by first clutch 36, then by six grades of driving gears 19
The first reduction gearing 33 transferred torque on the first output shaft 23 is engaged with the 3rd synchronizer 20, then passes through differential mechanism gear ring
40, and power is finally exported by differential mechanism 41.
Seven grades of power transmission lines：First synchronizer 3 and seven grades of driving gears 1 engage, and second clutch 37 is closed, and is started
42 torque of machine passes to the second input shaft driving gear 34 by second clutch 37, and input countershaft is passed to via intermediate idler 15
Drive gear 7, the first synchronizer 3.Seven grades of 1 and first synchronizers 3 of driving gear are transferred torque on the second output shaft 12
Second reduction gearing 6, then by differential mechanism gear ring 40, and power is finally exported by differential mechanism 41.
Eight grades of power transmission lines：3rd synchronizer 20 and eight grades of driving gears 21 engage, and first clutch 36 is closed, hair
42 torque of motivation passes to the first input shaft 18 of input, the 3rd synchronizer 20 by first clutch 36, then by eight grades of driving tooths
Wheel 21 engages the first reduction gearing 33 transferred torque on the first output shaft 23 with the 3rd synchronizer 20, then passes through differential mechanism
Gear ring 40, and power is finally exported by differential mechanism 41.
Reverse gear power transmission line：Reversing-gear synchronizer 28 and reverse gear driven gear 29 engage, and first clutch 36 is closed, hair
42 torque of motivation passes to the first input shaft 18 by first clutch 36, via two grades of masters being fixed on the first input shaft 18
Moving gear 16 passes to two grades of driven gears 27, then the reverse gear being fixed on two grades of driven gears 27 of being transmitted scriptures by two grades of driven gears 27
Driving gear 32, then engage the transfer torque on reversing shaft 31 the 3rd with reverse gear driven gear 29 by reversing-gear synchronizer 28 and subtract
Fast gear 30, then by differential mechanism gear ring 40, and power is finally exported by differential mechanism 41.
Shift process explanation：
One grade is changed two grades of processes：At 1 grade, the second synchronizer 10 and first speed driven gear 8 combine, and second clutch 37 closes
It closes, first clutch 36 is opened；Control system of speed variator send 1 grade change 2 grades of instructions after, gear shifting actuating mechanism is same by the 4th in advance
Step device 26 and two grades of driven gears 27 combine, and first clutch 36 is still in opening state at this time, i.e. first clutch 36 and the
One input shaft 18 not passing powers；As shift process continues, second clutch 37 is gradually opened, at the same time the first clutch
Device 36 is gradually closed, and during this, is had clutch combination always, is not in torque break；The complete opening of second clutch 37,
After first clutch 36 is closed completely, shift process terminates.Second clutch 37 is in opening state, i.e. second clutch at this time
37th, passing power, engine 42 are not transferred to via first clutch 36 on two grades of driven gears 27 the second input shaft 38.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of speed changer, which is characterized in that including：
Double clutch components, double clutch components include alternative be connected individually to the first of engine (42) output block from
Clutch (36) and second clutch (37)；
First input module, first input module include the first input shaft for being connected to the first clutch (36)
(18)；First input shaft (18) by the first clutch (36) optionally with the engine (42) output section
Part combines to obtain torque；
First output precision, first output precision include the first output shaft being arranged in parallel with first input shaft (18)
(23)；
First gear group, the first gear group include secondary intermediate gear, fourth gear pair, six step tooth wheel set and eight shelves gears
It is secondary；The secondary two grades of driving gears (16) for including mutually often engaging of the intermediate gear and two grades of driven gears (27)；The fourth gear
Gear pair includes the fourth gear driving gear (17) mutually often engaged and fourth gear driven gear (25)；The six step tooth wheel set includes phase
The six grades of driving gears (19) and six grades of driven gears (24) mutually often engaged；The eight shelves gears pair includes mutually often engage eight
Shelves driving gear (21) and eight grades of driven gears (22)；Two grades of driving gears (16), fourth gear driving gear (17), six grades of masters
Moving gear (19) and eight grades of driving gears (21) may be contained on first input shaft (18), two grades of driven gears
(27), the fourth gear driven gear (25), six grades of driven gears (24) and eight grades of driven gears (22) may be contained within
On first output shaft (23)；
First input shaft (18) can it is secondary by the intermediate gear, the fourth gear is secondary, the six step tooth wheel set and institute
Any one stated in eight shelves gear pairs is bound to first output shaft (23), with formed from first input shaft (18) to
The torque transmission channel of first output shaft (23), and from the first output shaft (23) output torque；
Second input module, second input module include the second input shaft (38) and input countershaft (14)；Described second is defeated
It is external arranged on first input shaft (18) and be connected to the second clutch (37) to enter axis (38) coaxial sleeve, passes through described the
Two clutches (37) optionally are combined to obtain torque with the engine (42) output block；The input countershaft (14)
Be arranged in parallel with second input shaft (38), and can under the drive of second input shaft (38) with second input shaft
(38) rotate in same direction, to form the torque transmission channel from second input shaft (38) to the input countershaft (14)；
Second output precision, second output precision include the second output shaft being arranged in parallel with the input countershaft (14)
(12)；
Second gear group, the second gear group include a secondary shelves gear, third gear pair, five shelves gears pair and seven shelves gears
It is secondary；The secondary one grade of driving gear (9) for including mutually often engaging of one shelves gear and first speed driven gear (8)；The third gear tooth
Wheel set includes the third speed drive gear (13) mutually often engaged and third gear driven gear (11)；Five shelves gear is secondary to be included mutually
The five grades of driving gears (4) and five grades of driven gears (5) often engaged；The secondary seven grades of masters for including mutually often engaging of seven shelves gear
Moving gear (1) and seven grades of driven gears (2)；Seven grades of driving gears (1), five grades of driving gears (4), one grade of master
Moving gear (9) and the third speed drive gear (13) are set in turn in described along the direction from the engine (42) from the close-by examples to those far off
It inputs on countershaft (14)；Seven grades of driven gears (2), five grades of driven gears (5), the first speed driven gear (8) and
The third gear driven gear (11) is set in turn in second output shaft along the direction from the engine (42) from the close-by examples to those far off
(12) on；The input countershaft (14) can secondary by a shelves gear, described third gear pair, five shelves gear pair and institute
Any one stated in seven shelves gear pairs is bound to second output shaft (12), to be formed from the input countershaft (14) to institute
State the torque transmission channel of the second output shaft (12), and from the second output shaft (12) output torque；
Reverse gear output precision, the reverse gear output precision include the reversing shaft being arranged in parallel with first output shaft (23)
(31)；
Reverse gearset, the reverse gearset include the reverse driving gear (32) mutually often engaged and reverse gear driven gear
(29)；The reverse gear driven gear (29) is arranged on the reversing shaft (31)；The reversing shaft (31) can pass through the reverse gear
Driven gear (29) and the reverse driving gear (32) selectivity be bound to first input shaft (18) or described second
Input shaft (38), to be formed from first input shaft (18) or second input shaft (38) to the torsion of the reversing shaft (31)
Square transmission channel, and from the reversing shaft (31) output torque；
Second input module further includes the second input shaft driving gear (34), intermediate idler (15), intermediate idler support shaft
(39) and input countershaft drive gear (7)；
The second input shaft driving gear (34) is fixed on second input shaft (38)；
The input countershaft drive gear (7) is fixed on the input countershaft (14)；
The intermediate idler support shaft (39) is arranged in parallel with the input countershaft (14)；The intermediate idler (15) is arranged at institute
State in intermediate idler support shaft (39), and simultaneously with the second input shaft driving gear (34) and it is described input countershaft sliding tooth
It takes turns (7) often to engage, the torque of second input shaft (38) is transferred to the input countershaft (14).
2. speed changer according to claim 1, which is characterized in that the input countershaft drive gear (7) is located at described five
Between shelves driving gear (4) and one grade of driving gear (9).
3. speed changer according to claim 1, which is characterized in that second output shaft (12) and/or the input are secondary
Axis (14) middle part is provided with bearing.
4. speed changer according to claim 1, which is characterized in that described in first input shaft (18) is passed through by synchronizer
Intermediate gear is secondary, the fourth gear is secondary, any one in the six step tooth wheel set and the eight shelves gears pair is bound to institute
State the first output shaft (23)；
The input countershaft (14) is by synchronizer through seven shelves gear is secondary, five shelves gear is secondary, the shelves gear pair
Second output shaft (12) is bound to any one in the third gear pair.
5. according to the speed changer described in any one in claim 1-4, which is characterized in that the reverse driving gear (32) sets
Be placed on first output shaft (23), and with two grades of driven gears (27), the fourth gear driven gear (25), described six
One of them in shelves driven gear (24) and eight grades of driven gears (22) is fixedly connected.
6. speed changer according to claim 5, which is characterized in that the speed changer, which further includes, is arranged at the reversing shaft
(31) reversing-gear synchronizer (28) on；
The reverse gear driven gear (29) is placed on the reversing shaft (31), and the reverse gear driven gear (29) can pass through
The reversing-gear synchronizer (28) combines with the reversing shaft (31).
7. speed changer according to claim 6, which is characterized in that the speed changer, which further includes, is arranged at the input countershaft
(14) the first synchronizer (3) on, the second synchronizer (10) being arranged on second output shaft (12) are arranged at described
The 3rd synchronizer (20) on one input shaft (18) and the 4th synchronizer (26) being arranged on first output shaft (23)；
The first speed driven gear (8) and the third gear driven gear (11) are placed in institute in the second synchronizer (10) both sides
It states on the second output shaft (12), and the first speed driven gear (8) and the third gear driven gear (11) can be each independent
It is combined by second synchronizer (10) and second output shaft (12)；
Seven grades of driving gears (1) and five grades of driving gears (4) are placed in described in the first synchronizer (3) both sides
It inputs on countershaft (14), and seven grades of driving gears (1) and five grades of driving gears (4) each independent can pass through institute
The first synchronizer (3) is stated to combine with the input countershaft (14)；
Six grades of driving gears (19) and eight grades of driving gears (21) are placed in the 3rd synchronizer (20) both sides
On first input shaft (18), and six grades of driving gears (19) and eight grades of driving gears (21) can be each independent
Pass through the 3rd synchronizer (20) and first input shaft (18) combine；
Two grades of driven gears (27) and the fourth gear driven gear (25) are in the 4th synchronizer (26) both sides empty set
In on first output shaft (23), and two grades of driven gears (27) and the fourth gear driven gear (25) can be each
From
Independent is combined by the 4th synchronizer (26) and first output shaft (23).
8. speed changer according to claim 7, which is characterized in that the reverse driving gear (32) and described two grades it is driven
Gear (27) is fixedly connected, and is placed in simultaneously on first output shaft (23).
9. speed changer according to claim 8, which is characterized in that the speed changer includes torque output component；
The torque output component includes the first reduction gearing (33) being fixed on first output shaft (23), is fixed on institute
State the second reduction gearing (6) on the second output shaft (12), the 3rd reduction gearing (30) being fixed on the reversing shaft (31),
Differential mechanism (41) with differential mechanism gear ring (40)；
The differential mechanism gear ring (40) of the differential mechanism (41) at the same with first reduction gearing (33), second reduction gearing
(6) engaged with the 3rd reduction gearing (30), to receive first reduction gearing (33), second reduction gearing (6)
Or the torque that is transmitted to of the 3rd reduction gearing (30) and output.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410307126.3A CN105276100B (en) | 2014-06-30 | 2014-06-30 | A kind of speed changer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410307126.3A CN105276100B (en) | 2014-06-30 | 2014-06-30 | A kind of speed changer |
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| CN105276100A CN105276100A (en) | 2016-01-27 |
| CN105276100B true CN105276100B (en) | 2018-06-05 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713459A (en) * | 2009-08-11 | 2010-05-26 | 浙江吉利汽车研究院有限公司 | Double clutch type automatic gearbox |
| CN101975251A (en) * | 2010-09-28 | 2011-02-16 | 安徽江淮汽车股份有限公司 | Gearing of dual clutch transmission |
| CN202152831U (en) * | 2011-07-21 | 2012-02-29 | 安徽江淮汽车股份有限公司 | Transmission device of double clutch transmission |
| DE102011011169A1 (en) * | 2011-02-14 | 2012-08-16 | Audi Ag | Apparatus for driving axles of motor car, has change speed gearbox divided into two sub-gearboxes, where one of sub-gearbox operates with assigned forward gears on driven shaft that drives differential housing of differential |
| CN204041894U (en) * | 2014-06-30 | 2014-12-24 | 广州汽车集团股份有限公司 | A kind of speed changer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008063014B4 (en) * | 2008-12-23 | 2010-11-04 | Getrag Ford Transmissions Gmbh | Double clutch |
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2014
- 2014-06-30 CN CN201410307126.3A patent/CN105276100B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713459A (en) * | 2009-08-11 | 2010-05-26 | 浙江吉利汽车研究院有限公司 | Double clutch type automatic gearbox |
| CN101975251A (en) * | 2010-09-28 | 2011-02-16 | 安徽江淮汽车股份有限公司 | Gearing of dual clutch transmission |
| DE102011011169A1 (en) * | 2011-02-14 | 2012-08-16 | Audi Ag | Apparatus for driving axles of motor car, has change speed gearbox divided into two sub-gearboxes, where one of sub-gearbox operates with assigned forward gears on driven shaft that drives differential housing of differential |
| CN202152831U (en) * | 2011-07-21 | 2012-02-29 | 安徽江淮汽车股份有限公司 | Transmission device of double clutch transmission |
| CN204041894U (en) * | 2014-06-30 | 2014-12-24 | 广州汽车集团股份有限公司 | A kind of speed changer |
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