CN205013605U - Derailleurs that keep off more and epicyclie gear thereof - Google Patents
Derailleurs that keep off more and epicyclie gear thereof Download PDFInfo
- Publication number
- CN205013605U CN205013605U CN201520430357.3U CN201520430357U CN205013605U CN 205013605 U CN205013605 U CN 205013605U CN 201520430357 U CN201520430357 U CN 201520430357U CN 205013605 U CN205013605 U CN 205013605U
- Authority
- CN
- China
- Prior art keywords
- solid
- rotation
- gear
- running shaft
- break
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0065—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising nine 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The utility model discloses an epicyclie gear for keep off the derailleur more, can obtain nine at least available ging forward and keep off position and at least one available position of reversing gear, arrange and fourth planet row including first planet row, second planet row, third planet, each planet is arranged all has sun gear, planet carrier and ring gear, subassembly and connecting elements that the planet was arranged can form seven rotators altogether, the subassembly of shifting includes two clutches and four stoppers, the clutch is located between the selected rotator in the rotator, the stopper is located between the selected rotator and mounting in the rotator. This epicyclie gear can have fender positions much more more and the velocity ratio of more optimizing, can show the power transmission performance and the fuel economy that improve the vehicle, and length is shorter moreover, the global design is compacter, can be fine satisfy the requirement of vehicle to aspects such as derailleur durability, power transmission efficiency, size, costs. The utility model also discloses a be equipped with epicyclie gear keeps off the derailleur more.
Description
Technical field
The utility model relates to automobile technical field, is particularly applicable to multispeed manual transmission and the epicyclic train thereof of commerial vehicle hydraulic automatic speed variator.
Background technique
Epicyclic train is the core institution that hydraulic automatic speed variator AT (AutomaticTransmission) carries out speed change, it forms primarily of planet row, clutch and break, by solenoidoperated cluthes and break, the component of planet row can be made with the interconnection of different combining forms, thus realize the conversion of multiple velocity ratio.
When speed changer has more optional gear, the design just more can optimized it, by more gears, the speed changer more optimizing speed ratio, motor can be made when efficient district works to meet the demand of the different speed of a motor vehicle, thus make vehicle can have more cost effective fuel consume and better power performance.
At present, the most common on market is four-speed and six gear transmissions, although it can realize expecting object to a certain extent.But, from the angle of technical development, in fuel economy, response power and stationarity etc., all there is narrow limitation, await the improvement carrying out continuing and upgrade design.
As mentioned above, speed changer realization that is more, that more optimize gear function depends on epicyclic train, and the position of the selection of the combining form of planet row, particularly planet row fastening member, power-transmitting part is arranged and layout, overall epicyclic train is made to have different characteristics.
Therefore, how epicyclic train is improved, make that its parts are less, gear is more, efficiency is higher and cost is lower, to meet the requirement of vehicle to aspects such as speed changer durability, power transmission efficiency, sizes, is those skilled in the art's technical issues that need to address.
Model utility content
In order to solve the problems of the prior art, first object of the present utility model is to provide a kind of epicyclic train, this epicyclic train has at least nine advance gears and a final shift speed of reversing gear, and can significantly improve transmission of power performance and the fuel economy of vehicle.Second object of the present utility model is to provide a kind of multispeed manual transmission being provided with described epicyclic train.
In order to realize above object, the technological scheme that the utility model adopts is: the utility model provides a kind of epicyclic train, for automatic transmission, can obtain multiple gear, comprise:
First planet is arranged, and has the first sun gear, the first row carrier and the first gear ring;
Second planet row, has the second sun gear, the second planet carrier and the second gear ring;
Third planet is arranged, and has the 3rd sun gear, the third line carrier and the 3rd gear ring;
Fourth planet is arranged, and has the 4th sun gear, fourth line carrier and the 4th gear ring;
First solid of rotation, comprises input shaft, is connected to the first sun gear, the second sun gear, and optionally can be connected to the 5th and the 6th solid of rotation by connecting firmly form;
Second solid of rotation, comprises described the first row carrier, and optionally can be connected to fixed block;
3rd solid of rotation, comprise described first gear ring, the second planet carrier and the 3rd gear ring, it optionally can be connected to fixed block;
4th solid of rotation, comprises described second gear ring, and optionally can be connected to fixed block;
5th solid of rotation, comprise described 3rd sun gear and the 4th sun gear, it can optionally be connected to the first solid of rotation;
6th solid of rotation, comprises described the third line carrier and the 4th gear ring, and optionally can be connected to fixed block or optionally be connected to described first solid of rotation;
7th solid of rotation, comprises described fourth line carrier and output shaft;
Six gearshift assemblies, comprise clutch and break, described clutch is located between the selected solid of rotation in described solid of rotation, and described break is located between selected solid of rotation in described solid of rotation and fixed block.
Preferably, described input shaft connects firmly the first running shaft;
First sun gear of described first solid of rotation and the second sun gear are connected with described first running shaft;
The first row carrier of described second solid of rotation is connected with the second running shaft;
First gear ring of described 3rd solid of rotation is connected by the 3rd running shaft with the second planet carrier and the 3rd gear ring;
Second gear ring of described 4th solid of rotation is connected with the 4th running shaft;
3rd sun gear of described 5th solid of rotation is connected by the 5th running shaft with the 4th sun gear;
The third line carrier of described 6th solid of rotation is connected by the 6th running shaft with the 4th gear ring;
The fourth line carrier of described 7th solid of rotation connects output shaft;
Described output shaft is the 7th running shaft.
Preferably, described six gearshift assemblies comprise:
First clutch, is inserted between described first solid of rotation and the 5th solid of rotation;
Second clutch, is inserted between described first solid of rotation and the 6th solid of rotation;
First break, is inserted between described second solid of rotation and fixed block;
Second brake, is inserted in the described 4th between solid of rotation and fixed block;
3rd break, is inserted in the described 3rd between solid of rotation and fixed block;
4th break, is inserted in the described 6th between solid of rotation and fixed block.
Preferably, described multiple gear comprise at least nine forward gears and at least one reverse gear:
Advance a gear, and described first break, the 4th break combine;
Advance two gears, and described 4th break, first clutch combine;
Ahead three keeps off, and described first break, first clutch combine;
Advance four gears, and described 3rd break, first clutch combine;
Advance five gears, and described second brake, first clutch combine;
Advance six gears, and described first clutch, second clutch combine;
Advance seven gears, and described second brake, second clutch combine;
Advance eight gears, and described 3rd break, second clutch combine;
Advance nine gears, and described first break, second clutch combine;
Reverse gear, described second brake, the 4th break combine;
Neutral, described 4th break is combined with the 6th solid of rotation.
Preferably, described clutch is friction clutch, and described break is friction brake.
Preferably, described first solid of rotation connects firmly hollow shaft, this hollow shaft is arranged the first sun gear, and the second sun gear, and the first described solid of rotation is as the power input device of planetary mechanism.
Preferably, described 4th running shaft comprises front rotary shaft and rear rotating shaft, and by described front rotary shaft, described second planet carrier is connected with the first gear ring, and by described rear rotating shaft, described second planet carrier is connected with described 3rd gear ring.
Preferably, described first planet row is single single-stage planetary row, and described second planet row is that single single-stage planetary is arranged, and described third planet is arranged as single single-stage planetary is arranged, and described fourth planet row is that single single-stage planetary is arranged.
Preferably, described input shaft is configured to the component receiving moment of torsion and rotating speed input; Described output shaft is configured to export the component having changed moment of torsion and rotating speed.
Preferably, described fixed block is gearbox case.
In order to realize above-mentioned second object, the utility model also provides a kind of multispeed manual transmission, comprise shell and be located at fluid torque converter and the epicyclic train of described enclosure, described fluid torque converter and epicyclic train are in transmission connection, it is characterized in that, described planetary pinion is the epicyclic train described in above-mentioned any one.
The planetary pinion being applied to vehicular automatic transmission provided by the utility model is the product of brand-new exploitation, it has the input shaft receiving power, the output shaft of outside outputting power, four planet rows being arranged in same axle and fastening, and six gearshift assemblies, wherein, each planet row is equipped with sun gear, gear ring and with several planetary planet carriers, be connected by running shaft or other connector elements between the assembly of planet row, seven solid of rotation can be formed, to realize the transmission of power, gearshift assembly can adopt the torque transmitter such as clutch and break, the degrees of freedom of epicyclic train can be changed by operation gearshift assembly, the combination of different gearshift assemblies makes to realize different speed ratio transmission between input shaft and output shaft from being separated, finally can obtain the shift speed of at least nine available advance gears and at least one available position of reversing gear, compare with six speed planetary train of gearings with four-speed, its speed ratio that there is more gear and more optimize, motor can be made when efficient district works to meet the demand of the different speed of a motor vehicle, and then significantly improve transmission of power performance and the fuel economy of vehicle.
In addition, these epicyclic train component are less, gearshift assembly makes full use of the space between planet row, not only can obtain shorter speed changer length, and global design is compacter, the requirement of vehicle to aspects such as speed changer durability, power transmission efficiency, size, costs can well be met.
Multispeed manual transmission provided by the utility model is provided with above-mentioned epicyclic train, and because above-mentioned epicyclic train has above-mentioned technique effect, the automatic transmission being provided with this epicyclic train also should possess corresponding technique effect.
Accompanying drawing explanation
Fig. 1 provides by the utility model the drive path sketch of planetary gear train;
Fig. 2 provides by the utility model a kind of specific examples of applications sketch of planetary gear train;
Fig. 3 is the catenation principle figure of each component of the utility model exemplary row star wheel series;
Fig. 4 is each gear of the utility model exemplary row star wheel series and the operation table of torque transmitter, in order to illustrate which gearshift assembly closes in each gear determined;
Fig. 5 is the lever principle figure of exemplary row star wheel series of the present utility model;
Fig. 6 be exemplary row star wheel series of the present utility model each gear between can realize across gear conversion gear sketch;
Fig. 7 can realize the operation table across gear conversion between exemplary each gear of the present utility model;
In figure:
1. the first running shaft, 2. the second running shaft, 3. the 3rd running shaft, 4. the 4th running shaft, 5. the 5th running shaft, 6. the 6th running shaft, 7. the 7th running shaft;
C1. the first friction clutch, C2. second friction clutch, B1. first friction brake, B2. second friction brake, B3. the 3rd friction brake, B4. the 4th friction brake;
PG1. first planet row, PG2. second planet row, PG3. third planet row, PG4. fourth planet row;
S1. the first sun gear, PC1. the first row carrier, P1. the first row star-wheel, A1. first gear ring;
S2. the second sun gear, PC2. second planet carrier, P2. second planet wheel, A2. second gear ring;
S3. the 3rd sun gear, PC3. the third line carrier, P3. the third line star-wheel, A3. the 3rd gear ring;
S4. the 4th sun gear, PC4. fourth line carrier, P4. fourth line star-wheel, A4. the 4th gear ring;
Embodiment
Core of the present utility model is to provide one and comprises four planet rows and six torque transmitter mechanisms or control unit, can provide at least nine forward gears and at least one epicyclic train reversed gear.
Another core of the present utility model is to provide a kind of multispeed manual transmission being provided with described epicyclic train.
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Be only limitted to exemplifying embodiment scheme for the explanation in the utility model specification, and omit unnecessary component representation, component same in the utility model specification represents with identical mark on different accompanying drawing.In concrete enforcement describes, numeral and letter are used to distinguish the element with same term, and these numerals and letter do not have specific implication, do not represent any order yet.
Please refer to Fig. 1, Fig. 2, Fig. 1 provides by the utility model the drive path sketch of planetary gear train; Fig. 2 provides by the utility model a kind of specific examples of applications sketch of planetary gear train.
In a kind of embodiment, the epicyclic train that the utility model provides has setting first planet row PG1, the second planet row PG2 on the same axis, third planet row PG3 and fourth planet row PG4, first clutch C1, second clutch C2 is on the same axis set, and the first break B1, second brake B2 on the same axis, the 3rd break B3 and the 4th break B4 are set.
First planet row PG1 is single single-stage planetary row, and it comprises the first row carrier PC1 inputted as this row, and the first sun gear S1 and the first gear ring A1 at least three components, the first row star-wheel P1 on the first row carrier PC1 is six planet wheels.
Second planet row PG2 is single single-stage planetary row, and it comprises the second sun gear S2 and the second planet carrier PC2 that input as this row, and the second gear ring A2 at least three components, and the quantity of the second planet wheel P2 on the second planet carrier PC2 is four.
Third planet row PG3 is single single-stage planetary wheel, and it comprises the 3rd sun gear S3 and the third line carrier PC3 that input as this row, and the 3rd gear ring A3 at least three components, and the quantity of the third line star-wheel P3 on the third line carrier PC3 is five.
Fourth planet row PG4 is single single-stage planetary wheel, and it comprises the 4th sun gear S4, fourth line carrier PC4, and the 4th gear ring A4 at least three components, and the quantity of the fourth line star-wheel P4 on fourth line carrier PC4 is four.
Third planet row PG3 and fourth planet arrange the two groups of forms that are connected existing between PG4 and formed by four components, therefore can be considered one group of dual planetary gear group in moment, export as unitary form.
Also comprise seven running shafts as connector element, the assembly of above-mentioned planet row is connected with running shaft, and is interconnected by running shaft, can form altogether seven solid of rotation:
First solid of rotation, is made up of the first running shaft 1 (i.e. input shaft) the first sun gear S1 and the second sun gear S2 that is rigidly connected, and both rotate with identical rotating speed all the time, and the first running shaft 1 is constructed to the component receiving fluid torque converter moment of torsion and rotating speed.
Second solid of rotation, is connected and composed by the second running shaft 2 and the first row carrier PC1, can optionally be connected on fixed block (such as housing).
3rd solid of rotation, is connected and composed by front and back two-part of the 3rd running shaft 3 by the first gear ring A1, the second planet carrier PC2 and the 3rd gear ring A3.
4th solid of rotation, is connected and composed by the 4th running shaft 4 and the second gear ring A2, can optionally be connected on fixed block (such as housing).
5th solid of rotation, is connected and composed by the 3rd sun gear S3, the 4th sun gear S4 and the 5th running shaft 5, is optionally connected on the first solid of rotation.
6th solid of rotation, is connected and composed by the third line carrier PC3, the 6th running shaft 6 and the 4th gear ring A4, can optionally be connected on the first solid of rotation.
7th solid of rotation, connected and composed by the 7th running shaft 7 (i.e. output shaft) and fourth line carrier PC4, the 7th running shaft 7 is constructed to the component that moment of torsion and rotating speed have been changed in outside output.
According to the needs of above-mentioned Placement and actual assembled, the size of each running shaft and form will be not quite similar, wherein the front half part of the first running shaft 1 and the 7th running shaft 7 can be solid shaft, the intermediate portion of the first solid of rotation is the hollow structure of containing first friction clutch C1 and the second friction clutch C2, the rear portion of the first solid of rotation connects the composite structure of the first sun gear S1 and the second sun gear S2, and this vibrational power flow becomes hollow shaft structure; 2, second running shaft of the second solid of rotation is the hollow shaft that internal diameter is larger, and the first row carrier PC1 is connected with the motion side of the first break B1 by this hollow shaft; 3rd running shaft 3 is for having the larger hollow shaft of diameter, second planet carrier PC2 is connected with the first gear ring A1 and the 3rd gear ring A3 with rear axle by anterior by respectively, the inner composition component holding the planet row connected, simultaneously, it is also Step Shaft, to adapt to different radial dimension changes, and can be connected with the motion side of the 3rd break B3; 4th running shaft 4 is the hollow-core construction that radial dimension is very large, and it is connected with the second gear ring A2, and is connected with the motion side of second brake B2; 5th running shaft 5 is solid shaft, and it is connected with the 3rd sun gear S3 and the 4th sun gear S4, and is connected with the slave end of first clutch C1; , the third line carrier PC3 and the 4th gear ring A4 connects, and is connected with the slave end of second clutch C2, and can be connected with the motion side of the 4th break B4 by running shaft 6; 7th running shaft 7 solid shaft, it is connected with fourth line carrier PC4, and can be used as power output element.
Friction clutch is placed between the selected solid of rotation of above-mentioned solid of rotation, to carry out the transmission of moment of torsion and rotating speed.
First friction clutch C1 is arranged between the first solid of rotation and the 5th solid of rotation.Particularly, the 5th running shaft 4 comprises and is positioned at the 3rd sun gear S3 and the 4th sun gear S4, and the first friction clutch C1 is plugged between the front rotary shaft of the first running shaft 1 and the 5th running shaft 4, operates as optionally input element.
Because the first running shaft 1 forms the first solid of rotation together with the first sun gear S2 and the second sun gear S2, therefore, the axle that the first sun gear S2 and the second sun gear S2 forms can become power intake.
Second friction clutch C2 is arranged between the first solid of rotation and the 6th solid of rotation.Particularly, be plugged between the rear rotating shaft of the first running shaft 1 and the 6th running shaft 6, operate as optionally input element.
Friction brake is placed in between the selected solid of rotation of above-mentioned solid of rotation and fixed block, is used for limiting the degrees of freedom of its place planet row, so that moment of torsion is along set path transmission.
First friction brake B1 is plugged between the second running shaft 2 and fixed block, operates as optionally fixed element.
Second friction brake B2 is plugged between the 4th running shaft 4 and fixed block, operates as optionally fixed element.
3rd friction brake B3 is plugged between the 3rd running shaft 3 and fixed block, operates as optionally fixed element.
4th friction brake B4 is plugged between the 6th running shaft 6 and fixed block, operates as optionally fixed element.
Among the first running shaft 1 to the 7th running shaft 7, can be used as optionally input link has the 5th running shaft 5, the 6th running shaft 6, respectively by the first friction clutch C1, the second friction clutch C2, is optionally connected to the first running shaft 1 of input end.
Among the first running shaft 1 to the 7th running shaft 7, can be used as optionally fixed component and have the second running shaft 2, the 4th running shaft 4, the 3rd running shaft 3, the 6th running shaft 6, respectively by the first friction brake B1, the second friction brake B2, the 3rd friction brake B3 and the 4th friction brake B4, optionally corresponding solid of rotation is affixed on fixed block.
Please refer to Fig. 3, Fig. 3 is the catenation principle figure of each component of the utility model exemplary row star wheel series.
As mentioned above, first, second planet row is combined into the planetary gear set of a compound, and the first sun gear S1 and the second sun gear S2 is connected, and the first gear ring A1 and the second planet carrier PC2 is connected, and connects the 3rd gear ring A3.This group dual planetary gear group is connected with four in seven running shafts; First sun gear S1, the second sun gear S2 are connected with input end by the first running shaft 1, accept power input; First gear ring A1 is connected with the second planet carrier PC2; The first row carrier PC1 is connected with the first friction brake B1 by the second running shaft 2; Second gear ring A2 is connected with the second friction brake B2 by the 4th running shaft 4; Such structural texture makes the exportable two kinds of speed ratios of this group dual planetary gear group, and passes to the 3rd gear ring A3 by the 3rd running shaft 3.
Three, fourth planet row is combined into the planetary gear set of a compound, and the third line carrier PC3 and the 4th gear ring A4 is connected, and the 3rd sun gear S3 and the 4th sun gear are connected; By the 5th running shaft 5 and the first friction clutch C1, be optionally connected with the first running shaft 1; The third line carrier PC3 and the 4th gear ring A4 is connected, and by the 6th running shaft 6 and the second friction clutch C2, is connected with the first running shaft 1 selectivity; 3rd gear ring A3 accepts the input of two speed ratios of the compound gear train formed from first, second planet row, and load planetary gear group that is such 3rd, fourth planet row composition just has the input of 4 speed ratios; The ability (illustrate: 4X3=12 speed ratio, but only have 10 to be effective) of minimum ten speed ratios can be exported by the effect of mutual combination and the 3rd, the 4th break B3, B4.
Please refer to Fig. 4, Fig. 5, Fig. 4 is each gear of the utility model exemplary row star wheel series and the operation table of torque transmitter; Fig. 5 is the lever principle figure of exemplary row star wheel series of the present utility model.
The differential numerical value between the speed ratio of each gear provided according to the number of teeth shown in Fig. 2 and gear is given, the gearshift assembly that the form district representative of stain is closed, the gearshift assembly that blank form district representative disconnects in form shown in Fig. 4.This form only embodies the numerical value in example planetary gear train situation, and often group numerical value can change.
Two horizontal lines in Fig. 5 are expressed as: " 0 " horizontal line representation speed is zero, and " 1 " representation speed is that input speed and rotating speed thereof are identical with the first running shaft 1.Character on horizontal line is with reference to the title in each component catenation principle figure shown in Fig. 3, its spacing is that the number of teeth between each component and mutual proportion relation are determined, straight line between each component represents the corresponding running shaft being fixedly connected with it, and this mode is the speed manner of comparison that those skilled in the art commonly uses.
Above-mentioned friction clutch is in and is input as on the horizontal corresponding plant position of " 1 ", and above-mentioned friction brake is on the corresponding plant position of fixing horizontal line " 0 "; Speed transfer line is by the friction brake by working or clutch, and the speed exported under the numerical value of speed transfer line finally on output shaft i.e. the 7th running shaft 7 is this group torque transmitter operational circumstances is relative to the ratio of input speed.
The utility model has two torque transmitters to operate under each gear simultaneously, below by each shift speed of planetary gear train of the present utility model in each embodiment situation of detailed description and the speed conditions of each component.
(1) advance a gear
When advance one keeps off, operate the first friction brake B1, the 4th friction brake B4.
First running shaft 1, by connecting firmly the first sun gear S1 and the second sun gear S2 axle, inputs as speed " 1 "; Second running shaft 2 passes through the operation of the first break B1 as fixed element, forms a reduction speed be delivered to the 3rd running shaft 3 by the effect of first planet row PG1; 6th running shaft 6 by the operation of the 4th friction brake B4 using the third line carrier PC3 as fixed element, via the 3rd running shaft 3 be delivered on the 3rd gear ring A3 speed form the deceleration of a 3rd sun gear S3 by the effect of third planet row PG3, and be delivered to fourth planet row PG4; Because the 4th gear ring A4 act as fixed element at the 4th friction brake B4, the 3rd sun gear S3 and the 4th sun gear S4 is connected, thus defines advance one and keep off speed line, and the intersection point D1 of itself and the 7th running shaft 7 is advance one and keeps off speed ratio.
(2) advance two gears
When advance two keeps off, unclamp the first friction brake B1 of operation when advance one keeps off, and operate the first friction clutch C1.
Speed is delivered on the 4th sun gear S4 by the 5th running shaft 5 by operation first friction clutch C1 by the rotating speed of the first running shaft 1, makes it input as speed " 1 "; By operating the 4th friction brake B4 using the 6th running shaft 6 as fixed element, thus form advance two and keep off speed line, the intersection point D2 of itself and the 7th running shaft 7 is advance two and keeps off speed ratio.
(3) ahead three gear
When ahead three keeps off, unclamp the 4th friction brake B4 of operation when advance two keeps off, and operate the first friction catch B1.
Speed is delivered on the 3rd, the 4th sun gear S3, S4 by the 5th running shaft 5 by operation first friction clutch C1 by the rotating speed of the first running shaft 1, inputs as speed " 1 "; First running shaft 1 is rigidly connected on first, second sun gear S1, S2, inputs as speed " 1 "; By operating the first friction brake B1 using the second running shaft 2 as fixed element, thus form ahead three gear speed line, the intersection point D3 of itself and the 7th running shaft 7 is ahead three and keeps off speed ratio.
(4) advance four gears
When advance four keeps off, unclamp the first friction brake B1 of operation during ahead three gear, and operate the 3rd friction catch B3.
The rotating speed of the first running shaft 1 passes through the first friction clutch C1 and is delivered on the 5th running shaft 5, and is delivered on the 3rd, the 4th sun gear S3, S4, inputs as speed " 1 "; Operate the latter half part of the 3rd friction brake B3 by the 3rd running shaft 3 using the 3rd gear ring A3 as fixed element, make the third line carrier PC3 export with the speed reduced like this; 4th sun gear S4 and the same rotating speed of the 3rd sun gear S3; 4th gear ring A4 and the same rotating speed of the third line carrier PC3; Thus form advance four and keep off speed line, the intersection point D4 of itself and the 7th running shaft 7 is advance four and keeps off speed ratio.
(5) advance five gears
When advance five keeps off, unclamp the 3rd friction brake B3 of operation when advance four keeps off, and operate the second friction brake B2.
The rotating speed of the first running shaft 1, by being connected on first, second sun gear S1, S2, inputs as speed " 1 "; Speed is delivered on the 3rd, the 4th sun gear S3, S4 by the 5th running shaft 5 by operation first friction clutch C1 by the rotating speed of the first running shaft 1, inputs as speed " 1 "; By operate the second friction brake B2 by the 4th running shaft 4 using the second gear ring A2 as fixed element, make like this second planet carrier PC2 with one reduce speed be delivered on the 3rd gear ring A3 by the latter half part of the 3rd running shaft 3; Under the speed effect of two input links, form advance five like this and keep off speed line, the intersection point D5 of itself and the 7th running shaft 7 is advance five and keeps off speed ratio.
(6) advance six gears
When advance six keeps off, unclamp the second friction brake B2 of operation when advance five keeps off, operate the second friction clutch C2.
Rotating speed is delivered on the 3rd, the 4th sun gear S3, S4 by the 5th running shaft 5 by operation first friction clutch C1 by the first running shaft 1; And operate the second friction clutch C2 the 6th running shaft 6 first running shaft 1 is directly connected, make third planet arrange PG3, fourth planet row PG4 becomes direct coupled condition, the speed of the first running shaft 1 will directly export, thus form advance six and keep off speed line, the intersection point D6 of itself and the 7th running shaft 7 is advance six and keeps off speed ratio.
(7) advance seven gears
When advance seven keeps off, unclamp the first friction clutch C1 of operation when advance six keeps off, operate the second friction brake B2.
The rotating speed of the first running shaft 1 is delivered to first, second sun gear S1, S2, inputs as speed " 1 "; Operate the second friction brake B2 by the 4th running shaft 4 using the second gear ring A2 as fixed element, make like this second planet carrier PC2 with one reduce speed be delivered to the 3rd gear ring A3; Rotating speed is delivered to the third line carrier PC3 and the 4th gear ring A4 by the 6th running shaft 6 by operation second friction clutch C2 by the first running shaft 1; Three, the synchronized rotation of the 4th sun gear S3, S4, form advance seven under compound planetary wheel that is such 3rd, fourth planet row PG3, PG4 composition ties up to the speed effect of two input links and keep off speed line, the intersection point D7 of itself and the 7th running shaft 7 is advance seven and keeps off speed ratio.
(8) advance eight gears
When advance eight keeps off, unclamp the second friction brake B2 of operation when advance seven keeps off, operation the 3rd friction brake B3.
Rotating speed, by operation second friction clutch C2, is directly delivered to the third line carrier PC3 and the 4th gear ring A4, as speed " 1 " by the 6th running shaft 6 by the rotating speed of the first running shaft 1; 3rd friction brake B3 using the 3rd running shaft 3 as fixed element; Three, the synchronized rotation of the 4th sun gear S3, S4, form advance eight under compound planetary wheel that is such 3rd, fourth planet row PG3, PG4 composition ties up to the speed effect of two input links and keep off speed line, the intersection point D8 of itself and the 7th running shaft 7 is advance eight and keeps off speed ratio.
(9) advance nine gears
When advance nine keeps off, unclamp the 3rd friction brake B3 of operation when advance eight keeps off, operate the first friction brake B1.
The rotating speed of the first running shaft 1 by being rigidly connected to first, second sun gear S1, S2, as speed " 1 "; Operate the first friction brake B1, by the second running shaft 2, the first row carrier PC1 is fixed; By first planet row PG1 effect like the first row carrier A1 with one reduce reverse speed export, the first gear ring A1 used the 3rd running shaft 3 and the second planet carrier PC2 and the 3rd gear ring A3 to be connected; Rotating speed, by operation second friction clutch C2, is directly delivered to the third line carrier PC3 and the 4th gear ring A4, as speed " 1 " by the 6th running shaft 6 by the rotating speed of the first running shaft 1; Three, the synchronized rotation of the 4th sun gear S3, S4, form advance nine under compound planetary wheel that is such 3rd, fourth planet row PG3, PG4 composition ties up to the speed effect of two input links and keep off speed line, the intersection point D9 of itself and the 7th running shaft 7 is advance nine and keeps off speed ratio.
(10) reverse gear
When reversing gear, operate the second friction brake B2, the 4th friction brake B4.
The rotating speed of the first running shaft 1 by being rigidly connected to first, second sun gear S1, S2, as speed " 1 "; By operating the second friction brake B2, by the 4th running shaft 4, second gear ring A2 is fixed; The second planet carrier PC2 is made to have a rotating speed reduced by the effect of the second planet row PG2; First, the 3rd gear ring A1, A3 to be connected by being connected of the 3rd running shaft 3 by the second planet carrier PC2; By operating the 4th friction brake B4, the third line carrier PC3 and the 4th gear ring A4 is fixed; Three, the 4th sun gear S3, S4 rotates backward, compound planetary wheel that is such 3rd, fourth planet row PG3, PG4 composition ties up to the 3rd gear ring A3 makes the 3rd, the 4th sun gear S3, S4 with a reverse speed under the speed effect of input link, and drive the rotating speed that fourth line carrier PC4 and the 7th running shaft 7 export oppositely, reduce, form reverse speed line, the intersection point R of itself and the 7th running shaft 7 is the speed ratio that reverses gear.
In Figure 5, each gear speed line is the speed conditions of this component in this gear situation with the intersection point of the vertical curve crossing each component name in each gear speed line display cited hereinabove.
Here it should be noted that, Fig. 2 is only exemplary gives a kind of specific structure, this component of the digitized representation below each component number of teeth in this special case.Because planet row can convert order, torque transmitter can be placed between different construction locations, and therefore the specific number of teeth is not as the qualifications of this patent.
Be each gear of the utility model exemplary row star wheel series and the operation table of torque transmitter according to analysis chart 4 above, what work of trip stopping accordingly can also be used to become by the gear increased more easily carrying out.Such controlling method only needs to change control software design, does not need to do too much change to hardware device, when mechanical structure is the same, just can carry out corresponding optimal design on the original basis.
Please refer to Fig. 6 and Fig. 7, Fig. 6 be exemplary row star wheel series of the present utility model each gear between can realize across gear conversion gear sketch; Fig. 7 can realize the operation table across gear conversion between exemplary each gear of the present utility model.
Basic principle is that the speed of trampling of driver's throttle or the speed of trampling of brake petal will directly determine the gear situation of this speed changer, it is not the gearshift carried out as old-fashioned hydraulic control speed changing device successively, but trip stop, so that (this respect easily realizes in electric control hydraulic automatic transmission, but when requiring gearshift, clutch or break combine and only have one as far as possible with departing to increase its power character and Economy.So easy software control, and need the relation considering speed difference, excessive the trip stopping of speed difference cannot be carried out).
The utility model profit only needs the optimization process on software, and the clutch that making trip stops combines when occurring, break combination change, to some extent to adapt to different demands.
Above automatic transmission provided by the utility model and shift control method thereof are described in detail.Apply specific case herein to set forth principle of the present utility model and mode of execution, the explanation of above embodiment just understands core concept of the present utility model for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
In like manner, planetary gear set herein, forward gear, reverse gear, the number of running shaft, speed ratio, friction clutch, friction brake is all exemplary.Those skilled in the art will recognize, the utility model is not restricted to these example values, and each is organized concrete numerical value and can change.
Above-mentioned epicyclic train can provide the change of at least nine advance gears and at least one speed ratio that reverses gear, therefore can significantly improve power transfer efficiency and fuel economy, and component are less, length is shorter, structure is compacter, cost is lower, performance is more reliable.
Except epicyclic train, the utility model also provides a kind of automatic transmission, comprise shell and be located at fluid torque converter and the epicyclic train of enclosure, wherein, fluid torque converter and epicyclic train are in transmission connection, planetary pinion is epicyclic train mentioned above, and all the other structures please refer to prior art, just repeat no more.
Above automatic transmission provided by the utility model and epicyclic train thereof are described in detail.Apply specific case herein to set forth principle of the present utility model and mode of execution, the explanation of above embodiment just understands core concept of the present utility model for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (9)
1. an epicyclic train, for multispeed manual transmission, can obtain multiple gear, it is characterized in that, comprise:
First planet is arranged, and has the first sun gear, the first row carrier and the first gear ring;
Second planet row, has the second sun gear, the second planet carrier and the second gear ring;
Third planet is arranged, and has the 3rd sun gear, the third line carrier and the 3rd gear ring;
Fourth planet is arranged, and has the 4th sun gear, fourth line carrier and the 4th gear ring;
First solid of rotation, comprises input shaft, is connected to the first sun gear, the second sun gear, and optionally can be connected to the 5th and the 6th solid of rotation by connecting firmly form;
Second solid of rotation, comprises described the first row carrier, and optionally can be connected to fixed block;
3rd solid of rotation, comprise described first gear ring, the second planet carrier and the 3rd gear ring, it optionally can be connected to fixed block;
4th solid of rotation, comprises described second gear ring, and optionally can be connected to fixed block;
5th solid of rotation, comprise described 3rd sun gear and the 4th sun gear, it can optionally be connected to the first solid of rotation;
6th solid of rotation, comprises described the third line carrier and the 4th gear ring, and optionally can be connected to fixed block or optionally be connected to described first solid of rotation;
7th solid of rotation, comprises described fourth line carrier and output shaft;
Six gearshift assemblies, comprise clutch and break, described clutch is located between the selected solid of rotation in described solid of rotation, and described break is located between selected solid of rotation in described solid of rotation and fixed block.
2. epicyclic train according to claim 1, is characterized in that, described input shaft connects firmly the first running shaft;
First sun gear of described first solid of rotation and the second sun gear are connected with described first running shaft;
The first row carrier of described second solid of rotation is connected with the second running shaft;
First gear ring of described 3rd solid of rotation is connected by the 3rd running shaft with the second planet carrier and the 3rd gear ring;
Second gear ring of described 4th solid of rotation is connected with the 4th running shaft;
3rd sun gear of described 5th solid of rotation is connected by the 5th running shaft with the 4th sun gear;
The third line carrier of described 6th solid of rotation is connected by the 6th running shaft with the 4th gear ring;
The fourth line carrier of described 7th solid of rotation connects output shaft;
Described output shaft is the 7th running shaft.
3. epicyclic train according to claim 2, is characterized in that, described 4th running shaft comprises front rotary shaft and rear rotating shaft, by described front rotary shaft, described second planet carrier is connected with the first gear ring, and by described rear rotating shaft, described second planet carrier is connected with described 3rd gear ring.
4. epicyclic train according to claim 3, is characterized in that, described six gearshift assemblies comprise:
First clutch, is inserted between described first solid of rotation and the 5th solid of rotation;
Second clutch, is inserted between described first solid of rotation and the 6th solid of rotation;
First break, is inserted between described second solid of rotation and fixed block;
Second brake, is inserted in the described 4th between solid of rotation and fixed block;
3rd break, is inserted in the described 3rd between solid of rotation and fixed block;
4th break, is inserted in the described 6th between solid of rotation and fixed block.
5. epicyclic train according to claim 4, is characterized in that, described six gearshift assemblies comprise:
First clutch, is inserted between described first running shaft and the 5th running shaft;
Second clutch, is inserted between described first running shaft and the 6th running shaft;
First break, is inserted between described second running shaft and fixed block;
Second brake, is inserted in the described 4th between running shaft and fixed block;
3rd break, is inserted in the described 3rd between running shaft and fixed block;
4th break, is inserted in the described 6th between running shaft and fixed block.
6. the epicyclic train according to claim 4 or 5, is characterized in that, described multiple gear comprises at least nine forward gears and at least one reverses gear:
Advance a gear, and described first break, the 4th break combine;
Advance two gears, and described 4th break, first clutch combine;
Ahead three keeps off, and described first break, first clutch combine;
Advance four gears, and described 3rd break, first clutch combine;
Advance five gears, and described second brake, first clutch combine;
Advance six gears, and described first clutch, second clutch combine;
Advance seven gears, and described second brake, second clutch combine;
Advance eight gears, and described 3rd break, second clutch combine;
Advance nine gears, and described first break, second clutch combine;
Reverse gear, described second brake, the 4th break combine;
Neutral, described 4th break is combined with the 6th solid of rotation.
7. epicyclic train according to claim 6, is characterized in that, described clutch is friction clutch, and described break is friction brake.
8. epicyclic train according to claim 1, is characterized in that, described first solid of rotation connects firmly hollow shaft, this hollow shaft is arranged the first sun gear, and the second sun gear, and the first described solid of rotation is as the power input device of planetary mechanism.
9. a multispeed manual transmission, comprise shell and be located at fluid torque converter and the epicyclic train of described enclosure, described fluid torque converter and epicyclic train are in transmission connection, and it is characterized in that, described planetary pinion is the epicyclic train described in any one of the claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430357.3U CN205013605U (en) | 2015-06-19 | 2015-06-19 | Derailleurs that keep off more and epicyclie gear thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430357.3U CN205013605U (en) | 2015-06-19 | 2015-06-19 | Derailleurs that keep off more and epicyclie gear thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205013605U true CN205013605U (en) | 2016-02-03 |
Family
ID=55212210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520430357.3U Active CN205013605U (en) | 2015-06-19 | 2015-06-19 | Derailleurs that keep off more and epicyclie gear thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205013605U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896038A (en) * | 2015-06-19 | 2015-09-09 | 陕西法士特齿轮有限责任公司 | Multi-gear transmission and planetary gear train thereof |
| CN106678296A (en) * | 2016-12-16 | 2017-05-17 | 贵州凯星液力传动机械有限公司 | Seven-gear planet automatic transmission |
| CN107559392A (en) * | 2016-06-30 | 2018-01-09 | 现代自动车株式会社 | Epicyclic train for the automatic transmission of vehicle |
| US20230115225A1 (en) * | 2019-12-23 | 2023-04-13 | Allison Transmission, Inc. | Multi-speed planetary transmission |
-
2015
- 2015-06-19 CN CN201520430357.3U patent/CN205013605U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896038A (en) * | 2015-06-19 | 2015-09-09 | 陕西法士特齿轮有限责任公司 | Multi-gear transmission and planetary gear train thereof |
| CN104896038B (en) * | 2015-06-19 | 2017-08-25 | 陕西法士特齿轮有限责任公司 | Multi-shifting speed variator and its epicyclic train |
| CN107559392A (en) * | 2016-06-30 | 2018-01-09 | 现代自动车株式会社 | Epicyclic train for the automatic transmission of vehicle |
| CN107559392B (en) * | 2016-06-30 | 2021-03-30 | 现代自动车株式会社 | Planetary gear train of automatic transmission for vehicle |
| CN106678296A (en) * | 2016-12-16 | 2017-05-17 | 贵州凯星液力传动机械有限公司 | Seven-gear planet automatic transmission |
| US20230115225A1 (en) * | 2019-12-23 | 2023-04-13 | Allison Transmission, Inc. | Multi-speed planetary transmission |
| US11867266B2 (en) * | 2019-12-23 | 2024-01-09 | Allison Transmission, Inc. | Multi-speed planetary transmission |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104896038A (en) | Multi-gear transmission and planetary gear train thereof | |
| CN101178112B (en) | Eight speed powertrain of automatic transmission for vehicle | |
| KR101637272B1 (en) | Planetary gear train of automatic transmission for vehicles | |
| CN101178111B (en) | Power train of automatic transmission | |
| CN100368703C (en) | Power train for 7-speed automatic transmission for vehicles | |
| JP6177607B2 (en) | Planetary gear train for automatic transmission for vehicles | |
| CN104595436B (en) | A kind of seven gear planetary transmissions for automatic gear-box | |
| KR20070095631A (en) | Automatic transmission's power train | |
| KR101637278B1 (en) | Planetary gear train of automatic transmission for vehicles | |
| KR101329008B1 (en) | Planetary gear train of automatic transmission for vehicles | |
| KR101326855B1 (en) | Planetary gear train of automatic transmission for vehicles | |
| CN205013605U (en) | Derailleurs that keep off more and epicyclie gear thereof | |
| KR101509733B1 (en) | Planetary gear train of automatic transmission for vehicles | |
| CN103851137A (en) | Planetary gear train of automatic transmission for vehicle | |
| CN103591225A (en) | Planetary gear train of automatic transmission for vehicle | |
| CN103851140A (en) | Planetary gear train of automatic transmission for vehicle | |
| CN108223721A (en) | For the planetary gear train of the automatic transmission of vehicle | |
| CN105485271A (en) | Automatic transmission and planetary gear train thereof | |
| KR101305730B1 (en) | 10-speed power train of automatic transmission | |
| KR101509735B1 (en) | Planetary gear train of automatic transmission for vehicles | |
| KR101459440B1 (en) | Planetary gear train of automatic transmission for vehicles | |
| CN106838153A (en) | A kind of seven previous planetary transmissions of falling four-degree-of-freedom | |
| CN103867660A (en) | Planetary gear train of automatic transmission for vehicle | |
| CN103807375A (en) | Planetary gear train of automatic transmission for vehicle | |
| CN211343896U (en) | Seven-gear hydraulic automatic transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |