CN108799441A - Multiple-speed gear-box - Google Patents
Multiple-speed gear-box Download PDFInfo
- Publication number
- CN108799441A CN108799441A CN201810954613.7A CN201810954613A CN108799441A CN 108799441 A CN108799441 A CN 108799441A CN 201810954613 A CN201810954613 A CN 201810954613A CN 108799441 A CN108799441 A CN 108799441A
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- gear
- brake
- clutch
- planet
- connect
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- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- 239000012530 fluid Substances 0.000 claims description 20
- 238000005192 partition Methods 0.000 claims description 11
- 239000003921 oil Substances 0.000 description 23
- 239000000446 fuel Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 239000000969 carrier Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
Classifications
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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
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/06—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type
- F16H47/08—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type the mechanical gearing being of the type with members having orbital motion
- F16H47/085—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type the mechanical gearing being of the type with members having orbital motion with at least two mechanical connections between the hydraulic device and the mechanical transmissions
-
- 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
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/62—Gearings having three or more central gears
- F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
-
- 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
- F16H33/00—Gearings based on repeated accumulation and delivery of energy
- F16H33/02—Rotary transmissions with mechanical accumulators, e.g. weights, springs, intermittently-connected flywheels
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
- F16H2061/305—Accumulators for fluid supply to the servo motors, or control thereof
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/006—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising eight forward speeds
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/2012—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with four sets of orbital gears
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2046—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with six engaging means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The present invention provides a kind of multiple-speed gear-boxes, are related to the technical field of automobile, and multiple-speed gear-box includes four groups of planet rows, six shifting elements, transmission shaft and output shaft；Transmission shaft is connect with first clutch, second clutch and the second sun gear respectively；First brake is connect with the first sun gear；First gear ring is connect with the second planet carrier；First planet carrier is connected with exporting axis；Second gear ring is connect by the 4th axis with third planet carrier, and the 4th axis is connect with first clutch；Third sun gear is connect by the 5th axis with third brake, and the 5th axis is connect with second clutch；Third gear ring is connect with first planet carrier；Third planet carrier is connect with second brake；4th sun gear is connect with the 4th brake；The efficiency of above-mentioned multiple-speed gear-box is higher, and torque load is larger, and structure is smaller, and occupied space is smaller, can be suitable for the vehicle of compact type.
Description
Technical field
The present invention relates to automobile technical fields, more particularly, to a kind of multiple-speed gear-box.
Background technology
Speed changer is for changing the rotating speed from engine and the mechanism of torque, it can be fixed or stepping changes output shaft
With input shaft transmission ratio, also known as gearbox.Speed changer is made of variable transmission mechanism and operating mechanism, some automobiles are also dynamic
Output mechanism.Transmission mechanism ordinary gear multi-purpose greatly is driven, also some Planetary Gear Transmissions.
In the prior art, the embodiment of speed changer is all directly successively to arrange three planetary gear sets, four
A or other shifting elements are partly placed directly before or after the planetary gear set of coupling.
But this speed changer is less efficient, torque load is larger, and structure is larger, can not be suitable for compact type
Vehicle.
Invention content
The purpose of the present invention is to provide a kind of multiple-speed gear-boxes, to improve the efficiency of speed changer existing in the prior art
Relatively low, torque load is larger, and structure is larger, can not be suitable for compact type vehicle the technical issues of.
Multiple-speed gear-box provided by the invention, including case of transmission, the first planet row, the second planet row, third planet
Row, fourth planet row, the first brake, second brake, third brake, the 4th brake, first clutch, the second clutch
Device, transmission shaft and output shaft；
First planet row, the second planet row, third planet row, fourth planet row；First brake, second brake,
Three brakes, the 4th brake, first clutch and second clutch are arranged at the inside of case of transmission；First braking
Device, second brake, third brake and the 4th brake are fixedly connected with gear box casing respectively；
Third brake and the 4th brake are arranged in the first section；Second brake and fourth planet row's setting are the
In two sections；Third planet row is arranged in third section；First clutch and second clutch are arranged in the 4th section；The
Two planet rows are arranged in the 5th section；First planet row is arranged in the 6th section；First brake is arranged in the 7th section
In；
First planet row includes the first sun gear, the first planetary gear, first planet carrier and the first gear ring；Second planet
Row includes the second sun gear, the second planetary gear, the second planet carrier and the second gear ring；Third planet row includes the third sun
Wheel, third planet gear, third planet carrier and third gear ring；Fourth planet row includes the 4th sun gear, fourth planet gear；
Fourth planet gear is coaxially disposed with third planet gear, and fourth planet gear is fixedly connected with third planet gear；4th
Planetary gear is arranged in third planet carrier with being fixedly connected；
Transmission shaft is connect with first clutch, second clutch and the second sun gear respectively；First brake passes through
One axis is connect with the first sun gear；First gear ring is connect by the second axis with the second planet carrier；First planet carrier passes through third axis
It is connected with exporting axis；Second gear ring is connect by the 4th axis with third planet carrier, and the 4th axis is connect with first clutch；Third
Sun gear is connect by the 5th axis with third brake, and the 5th axis is connect with second clutch；Third gear ring passes through the 6th axis
It is connect with first planet carrier；Third planet carrier is connect by the 7th axis with second brake；4th sun gear by the 8th axis with
4th brake connects；
Multiple-speed gear-box further includes oil pump and pump controller；Oil pump and pump controller are arranged in the inside of gear box casing；
Pump controller is connect with oil pump.
Further, multiple-speed gear-box further includes fluid torque-converter；
Fluid torque-converter is arranged in the inside of case of transmission；The fluid torque-converter input with engine and transmission shaft respectively
End connection.
Further, multiple-speed gear-box further includes double mass flywheel and mixed dynamic model block；
Mixed dynamic model block and double mass flywheel are arranged at the inside of case of transmission；Mixed dynamic model block and double mass flywheel with
The input terminal of transmission shaft connects.
Further, multiple-speed gear-box further includes parking ratchet wheel；
Parking ratchet wheel and the 6th axis connection.
Further, first clutch and second clutch are double centrum clutches.
Further, first clutch and second clutch are gear clutch.
Further, multiple-speed gear-box further includes electric pump；
Electric pump is arranged in the inside of gear box casing；Electric pump is arranged in parallel with oil pump, and electric pump connects with hydraulic control system
It connects.
Further, multiple-speed gear-box further includes accumulator；
Accumulator is arranged in the inside of gear box casing；Accumulator is arranged in parallel with oil pump, and accumulator and hydraulic control
System connects.
Further, gear box casing is internally provided with case partition；
Case partition is arranged in side of first section far from the second section；Second brake, third brake and
Four brakes are connect with case partition.
Further, the turbine of fluid torque-converter passes through the 9th axis and transmission axis connection.
Multiple-speed gear-box provided by the invention, in use, oil pump are supplied by pump controller to hydraulic control system
Oil, transmission shaft rotate and then drive variable speed assembly movement to complete gear shift operation.Axis between each component of multiple-speed gear-box
It is most short so that the axis mutually placed can lack as far as possible, and optimally utilize the possible constructions space in each cross section.
From the foregoing, it will be observed that the efficiency of above-mentioned multiple-speed gear-box is higher, torque load is larger, and structure is smaller, occupied space compared with
It is small, the vehicle of compact type can be suitable for.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structure principle chart of the multiple-speed gear-box provided in an embodiment of the present invention for being provided with fluid torque-converter；
Fig. 2 is that the structure of the multiple-speed gear-box provided in an embodiment of the present invention for being provided with double mass flywheel and mixed dynamic model block is former
Reason figure；
Fig. 3 is the shift logic schematic diagram of multiple-speed gear-box provided in an embodiment of the present invention.
Icon：1- case of transmission；The first planet rows of 2-；The second planet rows of 3-；4- third planets are arranged；5- fourth planets
Row；6- transmission shafts；7- output shafts；The first sections 8-；The second sections 9-；10- thirds section；The 4th sections 11-；The 5th section of 12-
Face；The 6th sections 13-；The 7th sections 14-；The 8th sections 15-；16- oil pumps；17- pump controllers；18- parking ratchet wheels；19-
One axis；The second axis of 20-；21- third axis；The 4th axis of 22-；The 5th axis of 23-；The 6th axis of 24-；The 7th axis of 25-；The 8th axis of 26-；
The 9th axis of 27-；28- electric pumps；29- fluid torque-converters；30- case partitions；31- double mass flywheels；32- mixes dynamic model block；33- electricity
Machine；The first sun gears of 201-；The first planetary gears of 202-；203- first planet carriers；The first gear rings of 204-；Second sun of 301-
Wheel；The second planetary gears of 302-；The second planet carriers of 303-；The second gear rings of 304-；401- third sun gears；402- third planet teeth
Wheel；403- third planet carriers；404- third gear rings；The 4th sun gears of 501-；502- fourth planet gears；2901- turbines；
2902- pump impellers；2903- guide wheels；The first brakes of B1-；B2- second brakes；B3- third brakes；The 4th brakes of B4-；
C1- first clutches；C2- second clutches；C0- third clutches.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that such as occur term "center", "upper", "lower", "left", "right",
"vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on ... shown in the drawings or position
Relationship is merely for convenience of description of the present invention and simplification of the description, and not indicating or implying the indicated device or element must have
There is specific orientation, with specific azimuth configuration and operation, therefore is not considered as limiting the invention.In addition, as occurred
Term " first ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As shown in Figure 1-Figure 3, multiple-speed gear-box provided by the invention, including case of transmission 1, the first planet row 2, second
Planet row 3, third planet row 4, fourth planet arrange the 5, first brake B1, second brake B2, third brake B3, the 4th system
Dynamic device B4, first clutch C1, second clutch C2, fluid torque-converter 29, transmission shaft 6 and output shaft 7；
First planet row 2, the second planet row 3, third planet row 4, fourth planet row 5；First brake B1, the second braking
Device B2, third brake B3, the 4th brake B4, first clutch C1 and second clutch C2 are arranged at case of transmission
1 inside；First brake B1, second brake B2, third brake B3 and the 4th brake B4 respectively with transmission housing
Body is fixedly connected；
Third brake B3 and the 4th brake B4 are arranged in the first section 8；Second brake B2 and fourth planet row 5
It is arranged in the second section 9；Third planet row 4 is arranged in third section 10；First clutch C1 and second clutch C2 are set
It sets in the 4th section 11；Second planet row 3 is arranged in the 5th section 12；First planet row 2 is arranged in the 6th section 13；
First brake B1 is arranged in the 7th section 14；
First planet row 2 includes the first sun gear 201, the first sun gear 202, first planet carrier 203 and the first gear ring
204；Second planet row 3 includes the second sun gear 301, the second sun gear 302, the second planet carrier 303 and the second gear ring 304；
Third planet row 4 includes third sun gear 401, third planet gear 402, third planet carrier 403 and third gear ring 404；The
Four planet rows 5 include the 4th sun gear 501, fourth planet gear 502；Fourth planet gear 502 is same with third planet gear 402
Axis is arranged, and fourth planet gear 502 is fixedly connected with third planet gear 402；Fourth planet gear 502 is set with being fixedly connected
It sets in third planet carrier 403；
Transmission shaft 6 is connect with first clutch C1, second clutch C2 and the second sun gear 301 respectively；First braking
Device B1 is connect by first axle 19 with the first sun gear 201；First gear ring 204 is connected by the second axis 20 and the second planet carrier 303
It connects；First planet carrier 203 is connect by third axis 21 with output shaft 7；Second gear ring 304 passes through the 4th axis 22 and third planet carrier
403 connections, and the 4th axis 22 is connect with first clutch C1；Third sun gear 401 passes through the 5th axis 23 and third brake B3
Connection, and the 5th axis 23 is connect with second clutch C2；Third gear ring 404 is connect by the 6th axis 24 with first planet carrier 203；
Third planet carrier 403 is connect by the 7th axis 25 with second brake B2；4th sun gear 501 is made by the 8th axis 26 and the 4th
Dynamic device B4 connections；
Multiple-speed gear-box further includes oil pump 16 and pump controller 17；Oil pump 16 and pump controller 17 are arranged in gear box casing
Inside；Pump controller 17 is connect with oil pump 16.
Concrete operations of shifting gears are as follows：
R gears：Second brake B2 is closed；First brake B1, third brake B3, the 4th brake B4, first from
Clutch C1 and second clutch C2 are decontroled；
First gear：First brake B1, second brake B2 are closed；Third brake B3, the 4th brake B4, first
Clutch C1 and second clutch C2 are decontroled；
Second gear：First brake B1 and the 4th brake B4 are closed；Second brake B2, third brake B3,
One clutch C1 and second clutch C2 are decontroled；
Third gear：First brake B1 and third brake B3 are closed；Second brake B2, the 4th brake B4,
One clutch C1 and second clutch C2 are decontroled；
Fourth speed position：First brake B1 and second clutch C2 are closed；Second brake B2, third brake B3,
Four brake B4 and first clutch C1 are decontroled；
Fifth speed position：First brake B1 and first clutch C1 are closed；Second brake B2, third brake B3,
Four brake B4 and second clutch C2 are decontroled；
Sixth speed position：First clutch C1 and second clutch C2 are closed；First brake B1, second brake B2,
Three brake B3 and the 4th brake B4 are decontroled；
Seventh speed position：Third brake B3 and first clutch C1 are closed；First brake B1, second brake B2,
Four brake B4 and second clutch C2 are decontroled；
Eighth gear：4th brake B4 and first clutch C1 are closed；First brake B1, second brake B2,
Three brake B3 and second clutch C2 are decontroled.
Multiple-speed gear-box has eight forward gears, and gear range is 8.167.
Multiple-speed gear-box provided in this embodiment, in use, oil pump 16 pass through 17 hydraulic control system of pump controller
System fuel feeding, transmission shaft 6 rotate and then drive variable speed assembly movement to complete gear shift operation.Between each component of multiple-speed gear-box
Axis it is most short so that the axis mutually placed can lack as far as possible, and optimally utilize the possible constructions space in each cross section.
From the foregoing, it will be observed that the efficiency of above-mentioned multiple-speed gear-box is higher, torque load is larger, and structure is smaller, occupied space compared with
It is small, the vehicle of compact type can be suitable for.
As shown in Figure 1, on the basis of the above embodiments, further, multiple-speed gear-box further includes fluid torque-converter 29；
Fluid torque-converter 29 is arranged in the inside of case of transmission 1；Fluid torque-converter 29 respectively with engine and transmission shaft 6
Input terminal connection.
Wherein, pump controller 17 is to 29 fuel feeding of fluid torque-converter, to enable fluid torque-converter 29 rotate.
In the present embodiment, fluid torque-converter 29 rotates to increase the torque of transmission shaft 6.
As shown in Fig. 2, on the basis of the above embodiments, further, multiple-speed gear-box further includes double mass flywheel 31
With mixed dynamic model block 32；
Mixed dynamic model block 32 and double mass flywheel 31 are arranged at the inside of case of transmission 1；Mixed dynamic model block 32 and double quality
Flywheel 31 is connect with the input terminal of transmission shaft 6.
Wherein, it includes motor 33 and third clutch C0 to mix dynamic model block 32.Third clutch C0 and transmission shaft 6, double quality
Flywheel 31 and motor 33 connect.In use, when pure electric vehicle drives, third clutch C0 is decontroled；When engine drives
When dynamic or mixed dynamic, third clutch C0 is closed.
In the present embodiment, above-mentioned setting can realize pure electric vehicle, engine driving and mixed dynamic three kinds of type of drive, together
When, the setting of double mass flywheel can also play the role of damping and increase the torque of transmission shaft 6.
As depicted in figs. 1 and 2, on the basis of the above embodiments, further, multiple-speed gear-box further includes parking ratchet wheel
18；
Parking ratchet wheel 18 is connect with the 6th axis 24.
Wherein, parking ratchet wheel 18 can be arranged in the 8th section 15 between the 5th section 12 and the 6th section 13.
In the present embodiment, 18 connection in this of parking ratchet wheel does not need additional axial arrangement space, can reduce in this way
The occupied space of device is more applicable for the vehicle of compact type.
On the basis of the above embodiments, further, first clutch C1 and second clutch C2 is double centrum clutches
Device；Or first clutch C1 and second clutch C2 is gear clutch.
In the present embodiment, the construction of double centrum clutches or gear clutch is compacter, is conducive to reduce device
Occupied space.
As depicted in figs. 1 and 2, on the basis of the above embodiments, further, multiple-speed gear-box further includes electric pump 28；
Electric pump 28 is arranged in the inside of gear box casing；Electric pump 28 is arranged in parallel with oil pump 16, and electric pump 28 and hydraulic pressure control
System connection processed.
After engine auto extinguishing, 28 low-speed running of electric pump to compensate the leakage of hydraulic control system, to machinery
Executing agency is lubricated, carries out pre- punching oil to clutch and brake；Also, after engine is again started up, electric pump 28
It is hydraulic control system fuel feeding simultaneously with oil pump 16, is quickly clutch punching oil, ensures the quick startup of vehicle.
In the present embodiment, in the starting stage, oil pump 16 cannot reach preset oil pressure and rotating speed, can not complete to hydraulic pressure control
System fuel feeding processed, it is therefore desirable to which electric pump 28 drives oil pump 16 to start, and electric pump 28 can play the role of start assisting.
On the basis of the above embodiments, further, multiple-speed gear-box further includes accumulator；
Accumulator is arranged in the inside of gear box casing；Accumulator is arranged in parallel with oil pump 16, and accumulator and hydraulic pressure control
System connection processed.
The course of work of accumulator is identical as the course of work of above-mentioned electric pump 28.
In the present embodiment, in the starting stage, oil pump 16 cannot reach preset oil pressure and rotating speed, can not complete to hydraulic pressure control
System fuel feeding processed, it is therefore desirable to which accumulator drives oil pump 16 to start, and accumulator can play the role of start assisting.
As depicted in figs. 1 and 2, on the basis of the above embodiments, further, gear box casing is internally provided with shell
Body partition board 30；
Case partition 30 is arranged in side of first section 8 far from the second section 9；Second brake B2, third brake
B3 and the 4th brake B4 are connect with case partition 30.
In the present embodiment, case partition 30 provides installation position for second brake B2 and third brake B3, and is
Cramped construction provides good precondition.
As shown in Figure 1, on the basis of the above embodiments, further, the turbine 2901 of fluid torque-converter 29 passes through
Nine axis 27 are connect with transmission shaft 6.
In the present embodiment, in use, oil pump 16 is by pump controller 17 to the pump impeller 2902 of fluid torque-converter 29
Fuel feeding, the pump impeller 2902 of fluid torque-converter 29, turbine 2901 and the cooperation of guide wheel 2093 are to realize rotation process, on turbine 2901
The 9th axis 27 rotate therewith, to drive transmission shaft 6 rotate, transmission shaft 6 rotate so that drive variable speed assembly movement to complete
Gear shift operation.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of multiple-speed gear-box, which is characterized in that including：Case of transmission, the first planet row, the second planet row, the third line
Star row, fourth planet row, the first brake, second brake, third brake, the 4th brake, first clutch, second from
Clutch, transmission shaft and output shaft；
First planet row, second planet row, third planet row, fourth planet row；First braking
Device, the second brake, the third brake, the 4th brake, the first clutch, the second clutch
It is arranged at the inside of the case of transmission；First brake, the second brake, the third brake and
4th brake is fixedly connected with the gear box casing respectively；
The third brake and the 4th brake are arranged in the first section；The second brake and the fourth line
Star row is arranged in the second section；The third planet row is arranged in third section；The first clutch and described second
Clutch is arranged in the 4th section；Second planet row is arranged in the 5th section；First planet row setting is the
In six sections；First brake is arranged in the 7th section；
First planet row includes the first sun gear, the first planetary gear, first planet carrier and the first gear ring；Described second
Planet row includes the second sun gear, the second planetary gear, the second planet carrier and the second gear ring；Third planet row includes the
Three sun gears, third planet gear, third planet carrier and third gear ring；Fourth planet row includes the 4th sun gear, the
Four planetary gears；The fourth planet gear is coaxially disposed with the third planet gear, and the fourth planet gear and institute
Third planet gear is stated to be fixedly connected；The fourth planet gear is arranged in the third planet carrier with being fixedly connected；
The transmission shaft is connect with the first clutch, the second clutch and second sun gear respectively；It is described
First brake is connect by first axle with first sun gear；First gear ring passes through the second axis and second planet
Frame connects；The first planet carrier is connected to the output shaft by third axis；Second gear ring by the 4th axis with it is described
Third planet carrier connects, and the 4th axis is connect with the first clutch；The third sun gear passes through the 5th axis and institute
The connection of third brake is stated, and the 5th axis is connect with the second clutch；The third gear ring passes through the 6th axis and institute
State first planet carrier connection；The third planet carrier is connect by the 7th axis with the second brake；4th sun gear
It is connect with the 4th brake by the 8th axis；
The multiple-speed gear-box further includes oil pump and pump controller；The oil pump and the pump controller are arranged in the gearbox
The inside of shell；The pump controller is connect with oil pump.
2. multiple-speed gear-box according to claim 1, which is characterized in that further include fluid torque-converter；
The fluid torque-converter is arranged in the inside of the case of transmission；The fluid torque-converter respectively with engine and described
The input terminal of transmission shaft connects.
3. multiple-speed gear-box according to claim 1, which is characterized in that further include double mass flywheel and mixed dynamic model block；
The mixed dynamic model block and the double mass flywheel are arranged at the inside of the case of transmission；The mixed dynamic model block and institute
Double mass flywheel is stated to connect with the input terminal of the transmission shaft.
4. multiple-speed gear-box according to claim 1, which is characterized in that further include parking ratchet wheel；
The parking ratchet wheel and the 6th axis connection.
5. multiple-speed gear-box according to claim 1, which is characterized in that the first clutch and the second clutch
For double centrum clutches.
6. multiple-speed gear-box according to claim 1, which is characterized in that the first clutch and the second clutch
For gear clutch.
7. multiple-speed gear-box according to claim 1, which is characterized in that further include electric pump；
The electric pump is arranged in the inside of the gear box casing；The electric pump is arranged in parallel with the oil pump, and the electric pump
It is connect with hydraulic control system.
8. multiple-speed gear-box according to claim 1, which is characterized in that further include accumulator；
The accumulator is arranged in the inside of the gear box casing；The accumulator is arranged in parallel with the oil pump, and described
Accumulator is connect with hydraulic control system.
9. according to claim 1-8 any one of them multiple-speed gear-boxes, which is characterized in that the inside of the gear box casing is set
It is equipped with case partition；
The case partition is arranged in side of first section far from second section；It is the second brake, described
Third brake and the 4th brake are connect with the case partition.
10. multiple-speed gear-box according to claim 2, which is characterized in that the turbine of the fluid torque-converter passes through the 9th
Axis and the transmission axis connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810954613.7A CN108799441B (en) | 2018-08-21 | 2018-08-21 | Multi-speed transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810954613.7A CN108799441B (en) | 2018-08-21 | 2018-08-21 | Multi-speed transmission |
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| Publication Number | Publication Date |
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| CN108799441A true CN108799441A (en) | 2018-11-13 |
| CN108799441B CN108799441B (en) | 2024-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810954613.7A Active CN108799441B (en) | 2018-08-21 | 2018-08-21 | Multi-speed transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173546A (en) * | 2019-05-24 | 2019-08-27 | 盛瑞传动股份有限公司 | Speed changing structure and automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012224118A1 (en) * | 2012-12-21 | 2014-06-26 | Zf Friedrichshafen Ag | -Multi-step reduction gear i.e. machine gear box, for motor car, has first planetary gear train and second planetary gear train coaxial to axle of drive shaft, and housing and driven shaft coupled with bar of planetary gear train |
| DE102014202512B3 (en) * | 2014-02-12 | 2015-03-19 | Zf Friedrichshafen Ag | Multi-speed transmission |
| CN106438879A (en) * | 2016-07-13 | 2017-02-22 | 盛瑞传动股份有限公司 | Multi-stage transmission |
| CN208966978U (en) * | 2018-08-21 | 2019-06-11 | 盛瑞传动股份有限公司 | Multiple-speed gear-box |
-
2018
- 2018-08-21 CN CN201810954613.7A patent/CN108799441B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012224118A1 (en) * | 2012-12-21 | 2014-06-26 | Zf Friedrichshafen Ag | -Multi-step reduction gear i.e. machine gear box, for motor car, has first planetary gear train and second planetary gear train coaxial to axle of drive shaft, and housing and driven shaft coupled with bar of planetary gear train |
| DE102014202512B3 (en) * | 2014-02-12 | 2015-03-19 | Zf Friedrichshafen Ag | Multi-speed transmission |
| CN106438879A (en) * | 2016-07-13 | 2017-02-22 | 盛瑞传动股份有限公司 | Multi-stage transmission |
| CN106594200A (en) * | 2016-07-13 | 2017-04-26 | 盛瑞传动股份有限公司 | Multi - stage transmission |
| CN208966978U (en) * | 2018-08-21 | 2019-06-11 | 盛瑞传动股份有限公司 | Multiple-speed gear-box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173546A (en) * | 2019-05-24 | 2019-08-27 | 盛瑞传动股份有限公司 | Speed changing structure and automobile |
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| CN108799441B (en) | 2024-06-11 |
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