CN106342137B - A kind of seven grades of planet speed change mechanisms of compact conformation - Google Patents
A kind of seven grades of planet speed change mechanisms of compact conformationInfo
- Publication number
- CN106342137B CN106342137B CN201318002466.1A CN201318002466A CN106342137B CN 106342137 B CN106342137 B CN 106342137B CN 201318002466 A CN201318002466 A CN 201318002466A CN 106342137 B CN106342137 B CN 106342137B
- Authority
- CN
- China
- Prior art keywords
- driving member
- planet row
- planet
- clutch
- brake
- 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.)
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Abstract
The invention belongs to system of vehicle transmission technical field, be specifically related to a kind of seven grades of planetary automatic speed-changing mechanisms of compact conformation of heavy endless-track vehicle upper driving system. For meeting the demand of the performance indications such as vehicle climbing and the max speed, provide the large and whole transmission range of one grade of gearratio to require wide new, structure is more compact a kind of planetary automatic speed-changing mechanism, this mechanism comprises planet row, be arranged on input link and output link that two ends are connected with power shaft, output shaft respectively, driving member, brake and clutch, described planet row has four, driving member to have six, brake to have three, clutch to have three, thus, the present invention has 7 drive shifts, 3 reverse gears; Between adjacent gear, can realize simple gear shift; Transmission efficiency is high; Planetary gear rotating speed is low; Controls moment of torsion is little and gearshift impact is little.
Description
Technical field
The invention belongs to system of vehicle transmission technical field, be specifically related to a kind of heavy endless-track vehicle and uploadSeven grades of planetary automatic speed-changing mechanisms of the compact conformation of moving system.
Background technology
As heavy endless-track vehicle planetary automatic transmission, engine power is through hydraulic moment changeableDevice reaches the power shaft of speed changer, after current gear speed-changing, power exported from output shaft,And conflux through both sides mechanism and side speed reducer reach arranged on left and right sides driving wheel. Planetary automatic speed-changingDevice great majority are made up of multiple planet rows, brake and clutch. At present, for meeting vehicleHow the demand of the performance indications such as climbing and the max speed, develop one grade of gearratio large and wholeTransmission range requires wide new, structure is more compact a kind of planetary automatic speed-changing mechanism, isCorrelative study staff direction and goal in the urgent need to striving for.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is for meeting the performances such as vehicle climbing and the max speedThe demand of index, provides the large and whole transmission range of one grade of gearratio to require wide new, structureMore compact a kind of planetary automatic speed-changing mechanism.
(2) technical scheme
For solving the problems of the technologies described above, the invention provides a kind of seven grades of planet speed-changes of compact conformationMechanism, its technical scheme is specially: a kind of seven grades of planet speed change mechanisms of compact conformation, comprisePlanet row, is arranged on input link 1 and output that two ends are connected with power shaft, output shaft respectivelyMember 2, driving member, brake and clutch, described planet row has four, is respectively capableStar row PGS1, planet row PGS2, planet row PGS3 and planet row PGS4; Driving member hasSix, be respectively the first driving member 3, the second driving member 4, the 3rd driving member 5,Four driving members 6, the 5th driving member 7 and the 6th driving member 8; Brake has three, pointWei brake Z1, brake Z2 and brake Z3; Clutch has three, is respectively clutchDevice L1, clutch L2 and clutch L3;
Described planet row PGS1 respectively with the 6th driving member 8, the first driving member 3 and the 3rdDriving member 5 connects;
Described planet row PGS2 respectively with the 6th driving member 8, the 3rd driving member 5 and secondDriving member 4 connects;
Described planet row PGS3 respectively with the 5th driving member 7, output link 2 and the 4th transmissionMember 6 connects;
Described planet row PGS4 respectively with the 5th driving member 7, the 3rd driving member 5 and the 4thDriving member 6 connects;
Described brake Z1 is used for braking the second driving member 4;
Described brake Z2 is used for braking the 5th driving member 7;
Described brake Z3 is used for braking the 4th driving member 6;
Described clutch L1 connects input link 1 and the 6th driving member 8;
Described clutch L2 connects input link 1 and the first driving member 3;
Described clutch L3 connects input link 1 and the 4th driving member 6.
Wherein, described planet row is the simple planet row of single star.
Wherein, described each planet row comprises sun gear, gear ring and planet carrier.
Wherein, described
Input link 1 connects clutch L1, L2 and L3;
Output link 2 connects the planet carrier C3 of planet row PGS3;
The first driving member 3 connects the planet carrier C1 of planet row PGS1;
The second driving member 4 connects the gear ring R2 of planet row PGS2;
The 3rd driving member 5 connects the gear ring R1 of planet row PGS1, the planet of planet row PGS2The gear ring R4 of frame C2 and planet row PGS4;
The 4th driving member 6 connects the gear ring R3 of planet row PGS3 and the planet of planet row PGS4Frame C4;
The 5th driving member 7 connects the sun gear S3 of planet row PGS3 and planet row PGS4 tooSun wheel S4;
The 6th driving member 8 connects the sun gear S1 of planet row PGS1 and planet row PGS2 tooSun wheel S2.
(3) beneficial effect
Compared with prior art, the present invention possesses following beneficial effect:
1, the present invention adopts the scheme of four planet rows, three brakes and three clutches,Realize seven drive shifts, three reverse gears;
2, gear range is wide, and one grade of gearratio is large, is convenient to the climbing and difficulty of heavy goods vehicles amountThe startup on road surface, and 1 grade and fall in one grade of controls all to have two brakes to realize combination,Can realize two brakes and jointly bear operating torque, thereby it is steady obviously to improve brakeQualitative and reliability;
3, this speed changer has 6 controls, and each gear of realization is all to handle three,Separating three, is four-degree-of-freedom Planetary Gearbox, and the outstanding benefit of bringing is like this band rowMoment of torsion is little, and empty damage is low, and delivery efficiency is high;
4, handle sequential optimization, a controls of switching conversion of adjacent gear can be realized,Can obviously optimize the design of gear shift control.
Gear range of the present invention can reach 7.66. Four planet rows are the simple planet of single starRow, the k value of four planet rows is in 1.7～2.8 scopes, simple and compact for structure, has reduced changePhysical dimension and the weight of speed case.
Brief description of the drawings
Fig. 1 is the seven grades of each parts annexation of planet speed change mechanism schematic diagrames of the present invention, in figurePGS1～PGS4 is four planet rows, and S1～S4 is four sun gears, and R1～R4 is four teethCircle, C1～C4 is four planet carriers, Z1～Z3 is three brakes, L1～L3 be three fromClose device, 1 is that input link, 2 is that output link, 3～8 is the first driving member～six biographyMoving member.
Detailed description of the invention
For making object of the present invention, content and advantage clearer, below in conjunction with accompanying drawing and enforcementExample, is described in further detail detailed description of the invention of the present utility model.
As shown in Figure 1, seven grades of planet speed change mechanisms of the present invention are applicable to heavy endless-track vehicle.Wherein each planet row is arranged in order, utilizes driving member to connect, input between each planet rowAxle is connected with input link 1, is generally the turbine wheel shaft of fluid torque-converter, for by enginePower reaches gear through fluid torque-converter. Output shaft is connected with output link 2, by convergingStream row and side transmission, reach driving wheel by power. This gear is base with respect to pivotThis symmetry, in Fig. 1, omit the latter half of pivot, while below description, do not remakeBright.
Seven grades of planet speed change mechanisms of compact conformation provided by the invention, comprise planet row, installThe input link 1 being connected with power shaft, output shaft respectively at two ends and output link 2, transmission structurePart, brake and clutch, is characterized in that: described planet row has four, is respectively planetRow PGS1, planet row PGS2, planet row PGS3 and planet row PGS4; Driving member has sixIndividual, be respectively the first driving member 3, the second driving member 4, the 3rd driving member 5, the 4thDriving member 6, the 5th driving member 7 and the 6th driving member 8; Brake has three, respectivelyFor brake Z1, brake Z2 and brake Z3; Clutch has three, is respectively clutchL1, clutch L2 and clutch L3;
Described planet row PGS1 respectively with the 6th driving member 8, the first driving member 3 and the 3rdDriving member 5 connects; Described planet row PGS2 respectively with the 6th driving member 8, the 3rd transmissionMember 5 is connected with the second driving member 4; Described planet row PGS3 respectively with the 5th driving member7, output link 2 is connected with the 4th driving member 6; Described planet row PGS4 passes with the 5th respectivelyMoving member 7, the 3rd driving member 5 are connected with the 4th driving member 6;
Described brake Z1 is used for braking the second driving member 4; Described brake Z2 is for brakingThe 5th driving member 7; Described brake Z3 is used for braking the 4th driving member 6;
Described clutch L1 connects input link 1 and the 6th driving member 8; Described clutch L2Connect input link 1 and the first driving member 3; Described clutch L3 connects input link 1 and theFour driving members 6.
Wherein, described planet row is the simple planet row of single star.
Wherein, described each planet row comprises sun gear, gear ring and planet carrier.
Wherein, described
Input link 1 connects clutch L1, L2 and L3;
Output link 2 connects the planet carrier C3 of planet row PGS3;
The first driving member 3 connects the planet carrier C1 of planet row PGS1;
The second driving member 4 connects the gear ring R2 of planet row PGS2;
The 3rd driving member 5 connects the gear ring R1 of planet row PGS1, the planet of planet row PGS2The gear ring R4 of frame C2 and planet row PGS4;
The 4th driving member 6 connects the gear ring R3 of planet row PGS3 and the planet of planet row PGS4Frame C4;
The 5th driving member 7 connects the sun gear S3 of planet row PGS3 and planet row PGS4 tooSun wheel S4;
The 6th driving member 8 connects the sun gear S1 of planet row PGS1 and planet row PGS2 tooSun wheel S2.
Planet row PGS1 comprises sun gear S1, gear ring R1 and tri-revolving parts of planet carrier C1,L2 in conjunction with time, planet carrier C1 is connected with input power with input link 1, by sun gear S1 andGear ring R1 exports the rotating speed of input link 1 as middle output; Planet row PGS2Comprise tri-revolving parts of sun gear S2, gear ring R2 and planet carrier C2, L1 in conjunction with time, the sunWheel S2 is connected with input power with input link 1; Planet row PGS3 comprises sun gear S3, gear ringTri-revolving parts of R3 and planet carrier C3, can be by brake Z2 braking sun gear S3; Planet rowPGS4 comprises sun gear S4, gear ring R4 and tri-revolving parts of planet carrier C4.
Brake Z1～Z3, clutch L1～L3 are generally multiple-piece friction controls, utilizeHydraulic oil driven plunger is pressurizeed. The manipulation schemes of each grade is achieved as follows shown in table:
Seven grades of planet speed change mechanism implementations of table 1 and corresponding gearratio, a ratio signal table
In table, " O " represents controls combination
Below with reference to Fig. 1 and table 1, example of the present invention is elaborated, it should be noted that,Gearratio described herein refers to the ratio of power shaft rotating speed and output shaft rotating speed, and planet row k value isRefer to the gear ring number of teeth of planet row and the ratio of its sun gear number of teeth.
When clutch L1 and brake Z1, Z2 in conjunction with time, the 6th driving member 8 with as inputInput link 1 integral-rotation of axle, the second driving member 4, the 5th driving member 7 are braked, realExisting one grade " 1st ".
When clutch L2 and brake Z1, Z2 in conjunction with time, the first driving member 3 with as inputInput link 1 integral-rotation of axle, the second driving member 4, the 5th driving member 7 are braked, realNow than one grade of second gear " 2nd " that " 1st " gearratio is little.
When clutch L1, L2 and brake Z2 in conjunction with time, the 6th driving member 8, the first transmissionMember 3 and input link 1 integral-rotation as power shaft, the 5th driving member 7 is braked, thisTime the first two planet row entirety revolution, realize the third gear " 3rd " less than second gear " 2nd " gearratio.
When clutch L1, L3 and brake Z2 in conjunction with time, the 6th driving member 8, the 4th transmissionMember 6 and input link 1 integral-rotation as power shaft, the 5th driving member 7 is braked, onlyThere is the 3rd planet row to work, realize the fourth gear " 4th " less than third gear " 3rd " gearratio.
When clutch L1, L2 and L3 all in conjunction with time, the 6th driving member 8, the first driving member3 and the 4th driving member 6 simultaneously with input link 1 integral-rotation as power shaft, now fourThe all entirety revolutions of individual planet row, realize five grade " 5ths " less than fourth gear " 4th " gearratio.
When clutch L2, L3 and brake Z1 in conjunction with time, the first driving member 3, the 4th transmissionMember 6 is as input link 1 integral-rotation of power shaft, and the second driving member 4 is braked, and realizesThan five grades of six grades " 6th " that " 5th " gearratio is little.
When clutch L1, L3 and brake Z1 in conjunction with time, the 6th driving member 8, the 4th transmissionMember 6 is as input link 1 integral-rotation of power shaft, and the second driving member 4 is braked, and realizesThan six grades of seven grades " 7th " that " 6th " gearratio is little.
When clutch L1 and brake Z1, Z3 in conjunction with time, the 6th driving member 8 with as inputInput link 1 integral-rotation of axle, the second driving member 4, the 4th driving member 6 are braked, realExisting reverse gear Rev1.
When clutch L2 and brake Z1, Z3 in conjunction with time, the first driving member 3 with as inputInput link 1 integral-rotation of axle, the second driving member 4, the 4th driving member 6 are braked, realExisting reverse gear Rev2.
When clutch L1, L2 and brake Z3 in conjunction with time, the 6th driving member 8, the first transmissionMember 3 is as input link 1 integral-rotation of power shaft, and the 4th driving member 6 is braked, and realizesReverse gear Rev3.
Each grade of gearratio of the present invention determined by the k value of four planet rows. For example, k1=1.791,When k2=1.791, k3=2.793, k4=1.85, can obtain each grade of gearratio shown in table 1,More suitable than substantially between adjacent gear gearratio, meanwhile, total gear range of drive shift reachesTo 7.66, so just obtain preferably gearratio characteristic of overall performance.
Four planet row PGS1～PGS4 of seven grades of planet speed change mechanisms provided by the invention are equalFor the simple planet row of single star, and k value is in 1.7～2.8 scopes, can make four planet row PGS1～The radial dimension of PGS4 is less, meanwhile, has obtained preferably gearratio characteristic of overall performance.
The above is only the preferred embodiment of the present invention, it should be pointed out that for this technology and leadsThe those of ordinary skill in territory, not departing under the prerequisite of the technology of the present invention principle, all rightMake some improvement and distortion, these improvement and distortion also should be considered as protection scope of the present invention.
Claims (2)
1. seven of compact conformation grades of planet speed change mechanisms, comprise planet row, are arranged on twoInput link (1) and output link (2) that end is connected with power shaft, output shaft respectively, passMoving member, brake and clutch, is characterized in that: described planet row has four, is respectivelyPlanet row PGS1, planet row PGS2, planet row PGS3 and planet row PGS4; Driving memberThere are six, are respectively the first driving member (3), the second driving member (4), the 3rd transmission structurePart (5), the 4th driving member (6), the 5th driving member (7) and the 6th driving member (8);Brake has three, is respectively brake Z1, brake Z2 and brake Z3; Clutch hasThree, be respectively clutch L1, clutch L2 and clutch L3;
Described planet row PGS1 respectively with the 6th driving member (8), the first driving member (3)Be connected with the 3rd driving member (5);
Described planet row PGS2 respectively with the 6th driving member (8), the 3rd driving member (5)Be connected with the second driving member (4);
Described planet row PGS3 respectively with the 5th driving member (7), output link (2) andFour driving members (6) connect;
Described planet row PGS4 respectively with the 5th driving member (7), the 3rd driving member (5)Be connected with the 4th driving member (6);
Described brake Z1 is used for braking the second driving member (4);
Described brake Z2 is used for braking the 5th driving member (7);
Described brake Z3 is used for braking the 4th driving member (6);
Described clutch L1 connects input link (1) and the 6th driving member (8);
Described clutch L2 connects input link (1) and the first driving member (3);
Described clutch L3 connects input link (1) and the 4th driving member (6);
Described each planet row comprises sun gear, gear ring and planet carrier;
Input link (1) connects clutch L1, L2 and L3;
Output link (2) connects the planet carrier C3 of planet row PGS3;
The first driving member (3) connects the planet carrier C1 of planet row PGS1;
The second driving member (4) connects the gear ring R2 of planet row PGS2;
Gear ring R1, the planet row PGS2's of the 3rd driving member (5) connection planet row PGS1The gear ring R4 of planet carrier C2 and planet row PGS4;
The gear ring R3 of the 4th driving member (6) connection planet row PGS3 and planet row PGS4'sPlanet carrier C4;
The 5th driving member (7) connects sun gear S3 and the planet row PGS4 of planet row PGS3Sun gear S4;
The 6th driving member (8) connects sun gear S1 and the planet row PGS2 of planet row PGS1Sun gear S2.
2. seven grades of planet speed change mechanisms as claimed in claim 1, is characterized in that: described rowStar row is simple planet row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201318002466.1A CN106342137B (en) | 2013-06-05 | 2013-06-05 | A kind of seven grades of planet speed change mechanisms of compact conformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201318002466.1A CN106342137B (en) | 2013-06-05 | 2013-06-05 | A kind of seven grades of planet speed change mechanisms of compact conformation |
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| CN106342137B true CN106342137B (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201318002466.1A Expired - Fee Related CN106342137B (en) | 2013-06-05 | 2013-06-05 | A kind of seven grades of planet speed change mechanisms of compact conformation |
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| CN (1) | CN106342137B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707807A (en) * | 2019-03-05 | 2019-05-03 | 中国北方车辆研究所 | Seven gear planetary automatic transmissions |
-
2013
- 2013-06-05 CN CN201318002466.1A patent/CN106342137B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707807A (en) * | 2019-03-05 | 2019-05-03 | 中国北方车辆研究所 | Seven gear planetary automatic transmissions |
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Legal Events
| Date | Code | Title | Description |
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| GR03 | Grant of secret patent right | ||
| GRSP | Grant of secret patent right | ||
| DC01 | Secret patent status has been lifted | ||
| DCSP | Declassification of secret patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20210605 |