CN206072262U - It is a kind of to be based on double single-stage planetary mechanism variable transmission mechanism - Google Patents

It is a kind of to be based on double single-stage planetary mechanism variable transmission mechanism Download PDF

Info

Publication number
CN206072262U
CN206072262U CN201621112780.XU CN201621112780U CN206072262U CN 206072262 U CN206072262 U CN 206072262U CN 201621112780 U CN201621112780 U CN 201621112780U CN 206072262 U CN206072262 U CN 206072262U
Authority
CN
China
Prior art keywords
stage planetary
gear
planetary gear
brake
clutch
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.)
Expired - Fee Related
Application number
CN201621112780.XU
Other languages
Chinese (zh)
Inventor
李明圣
陈敬渊
李曼
廖聪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lingnan Normal University
Original Assignee
Lingnan Normal University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lingnan Normal University filed Critical Lingnan Normal University
Priority to CN201621112780.XU priority Critical patent/CN206072262U/en
Application granted granted Critical
Publication of CN206072262U publication Critical patent/CN206072262U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

This utility model is related to provide a kind of based on double single-stage planetary mechanism variable transmission mechanism, including two single-stage planetary gear trains and actuator, drive mechanism is the first single-stage planetary gear train, the second single-stage planetary gear train, actuator includes brake and clutch, the executive component of actuator has 6, mutual rotation connection between actuator and single-stage planetary gear train, can reach 6 grades and advances and one grade of purpose for retreating.This utility model by the sun gear in planetary gears, gear ring and planet carrier for planet circular system coaxial component, many gear transmissions are realized more than current AT type gearing actuators by the way of coaxial component serial or parallel connection, reduce gear number of components, gearshift control point is reduced, gear number is few.

Description

It is a kind of to be based on double single-stage planetary mechanism variable transmission mechanism
Technical field
This utility model is related to the gear-shift mechanism drive mechanism technical field of automobile variable speed gearshift, and in particular to Yi Zhongji In double single-stage planetary mechanism variable transmission mechanism.
Background technology
Electrichydraulic control automatic transmission(AT)It is come transmitting torque and rotating speed, Planetary Gear Transmission by planetary gears It is a kind of normal engaged transmission, generally there is two degree of freedom, the synthesis that can be moved and decomposition, fluid drive is easily realized. Overall structure is little, transmission efficiency, the advantages of technology maturation.
Have the disadvantage:There is level to be driven as this structure belongs to, gearshift procedure has pause and transition in rhythm or melody sense, and comfortableness is not as good as CVT(Stepless change Fast device).
In order to improve the dynamic property of automobile, reducing oil consumption and change discharge, while with automobile high-speed, gearshift to be made is put down Suitable, smooth ride, requiring increases the scope of vehicle transmission ratio, reduces gear ratio gap, electrichydraulic control automatic transmission(AT) It is technical development trend to increase gear number.
Current electrichydraulic control automatic transmission on the market(AT)Entrucking situation:Miniature, multiplex 3-4 of economical vehicle advances Gear gearbox;The multiplex 4-6 forward speed transmission of middle-and-high-ranking type vehicle;The multiplex 7-8 forward speed transmission of indivedual advanced vehicles, 5-6 shelves are the main flows of current vehicular transmission, and drive mechanism is mainly in parallel using 3 planet rows or the parallel connection of 2 planet rows connects 1 again The mode of planet row.Partial gear transmission will be through 3 planet rows, and path length, efficiency are low.
Utility model content
This utility model is to overcome at least one defect described in above-mentioned prior art, and this utility model passes through planetary gear Coaxial component of the sun gear, gear ring and planet carrier in mechanism for planet circular system, adopts current AT types gearing actuator more The mode of coaxial component serial or parallel connection realizes many gear transmissions, reduces gear number of components, reduces gearshift control point, shelves Digit is few.
To reach above-mentioned purpose, the technical solution of the utility model is:
One kind is provided and is based on double single-stage planetary mechanism variable transmission mechanism, including two single-stage planetary gear trains, i.e., First single-stage planetary gear train, the second single-stage planetary gear train, first single-stage planetary gear train and the second single-stage Planetary gears shares the first sun gear of a common planet carrier, the first duplicate gear and the first single-stage planetary gear train External toothing and the first gear ring internal messing;Second planetary gear and second of the second duplicate gear and the second single-stage planetary gear train Gear ring internal messing and the second sun gear external toothing;Second gear ring of the second single-stage planetary gear train, common planet carrier, second Sun gear is respectively adopted first clutch, second clutch, the 3rd clutch and is connected with the output of torque-converters;Common planet carrier, First sun gear of the first single-stage planetary gear train, the second sun gear of the second single-stage planetary gear train are respectively adopted braking Device connects, and the first gear ring of the first single-stage planetary gear train is output.
Preferably, first clutch connects second gear ring and input shaft of the second single-stage planetary gear train;Second clutch Device connects common planet carrier and input shaft;3rd clutch connects second sun gear and input shaft of the second single-stage planetary gear train;
Preferably, the brake includes the first brake, second brake and the 3rd brake, the first brake connects Common planet carrier and casing;Second brake connects first sun gear and casing of the first single-stage planetary gear train;3rd braking Device connects second sun gear and casing of the second single-stage planetary gear train.
Preferably, the first duplicate gear, the number of teeth of the second duplicate gear are unequal.
Compared with prior art, the beneficial effects of the utility model are:
This utility model by the sun gear in planetary gears, gear ring and planet carrier for planet circular system coaxial structure Part, is realized many gears transmissions more than current AT types gearing actuator by the way of coaxial component serial or parallel connection, is reduced Gear number of components, reduces gearshift control point, and gear number is few.
Description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is this patent novel transmission mechanism executive component state table.
Specific embodiment
This utility model is further described with reference to specific embodiment.Wherein, being for illustration only property of accompanying drawing Illustrate, expression is only schematic diagram, rather than pictorial diagram, it is impossible to be interpreted as the restriction to this patent;In order to this reality is better described With new embodiment, accompanying drawing some parts have omission, zoom in or out, and do not represent the size of actual product;To ability For field technique personnel, some known features and its explanation in accompanying drawing may be omitted and be will be understood by.
The corresponding same or analogous part of same or analogous label in the accompanying drawing of this utility model embodiment;In this practicality In new description, it is to be understood that if having term " on ", D score, the orientation of the instruction such as "left", "right" or position relationship be Based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than indicate Or imply that the device or element of indication must be with specific orientation, to retouch in specific azimuth configuration and operation, therefore accompanying drawing State term the being for illustration only property explanation of position relationship, it is impossible to be interpreted as the restriction to this patent, for the common skill of this area For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment
As shown in figure 1, one kind of this utility model most preferred embodiment is based on double single-stage planetary mechanism variable transmission mechanism, Including two single-stage planetary gear trains and actuator, drive mechanism is the first single-stage planetary gear train X1, the second list Level planetary gears X2, actuator include brake and clutch, first single-stage planetary gear train X1 and second Single-stage planetary gear train X2 shares common planet carrier H, the first duplicate gear P1 and the first single-stage planetary gear train X1 The first sun gear S1 external toothings and the first gear ring R1 internal messings;Second duplicate gear P2 and the second single-stage planetary gear train Second planetary gear of X2 and the second gear ring R2 internal messings and the second sun gear S2 external toothings;Second single-stage planetary gear train X2 The second gear ring R2, common planet carrier H, the second sun gear S2 be respectively adopted first clutch C1, second clutch C2, the 3rd from Clutch C3 is connected with the output of torque-converters;Common planet carrier H, the first sun gear S1 of the first single-stage planetary gear train X1, Second sun gear S2 of two single-stage planetary gear trains X2 is respectively adopted brake connection, the first single-stage planetary gear train X1 First gear ring R1 is output.
Preferably, first clutch C1 meets the second gear ring R2 and input shaft of the second single-stage planetary gear train X2;The Two clutch C2 connect common planet carrier H and input shaft;3rd clutch C3 connects the second of the second single-stage planetary gear train X2 too Sun wheel S2 and input shaft;
Preferably, the brake includes the first brake B1, second brake B2 and the 3rd brake B3, the first system Dynamic device B1 connects common planet carrier H and casing;Second brake B2 meets the first sun gear S1 of the first single-stage planetary gear train X1 With casing;3rd brake B3 meets the second sun gear S2 and casing of the second single-stage planetary gear train X2.
Preferably, the first duplicate gear P1, the number of teeth of the second duplicate gear P2 are unequal.
Preferably, the actuator has 6 executive components, i.e. the first brake B1, second brake B2, the 3rd system Dynamic device B3, first clutch C1, second clutch C2, the 3rd clutch C3.
Shown in executive component state table as shown in Figure 2, wherein, D represents forward, and R represents reverse gear, beats "○" and represents Executive component is in engagement state.Executive component engagement situation during each transforming gear of this utility model is as follows:
D1 shelves:When first clutch C1 is engaged, i.e., the first sun gear S1 is connected with common planet carrier H, now, the first braking Device B1 is engaged, and is braked the first gear ring R1, is realized the first forward D1.
D2 shelves:When first clutch C1 is engaged, i.e., the first sun gear S1 is connected with common planet carrier H, now, the second braking Device B2 is engaged, and is braked the first gear ring R1, is realized the first forward D2.
D3 shelves:When first clutch C1 is engaged, i.e., the second sun gear S2 is connected with common planet carrier H, now, the 3rd braking Device B3 is engaged, and is braked the second gear ring R2, is realized the first forward D3.
D4 shelves:When first clutch C1 is engaged, i.e., the second sun gear S2 is connected with input shaft, now, second clutch C2 Engagement, brakes the second gear ring R2, realizes the first forward D4.
D5 shelves:When second clutch C2 is engaged, i.e., the second sun gear S2 is connected with common planet carrier H, now, the 3rd braking Device B3 is engaged, and is braked the second gear ring R2, is realized the first forward D5.
D6 shelves:When second clutch C2 is engaged, i.e., the first sun gear S1 is connected with common planet carrier H, now, the second braking Device B2 is engaged, and is braked the first gear ring R1, is realized the first forward D6.
R shelves:When second clutch C3 is engaged, i.e., the second sun gear S2 is connected with common planet carrier H, now, the first braking Device B1 is engaged, and is braked the second gear ring R2, is realized the first reverse gear R.
Compared with prior art, the beneficial effects of the utility model are:
This utility model by the sun gear in planetary gears, gear ring and planet carrier for planet circular system coaxial structure Part, is realized many gears transmissions more than current AT types gearing actuator by the way of coaxial component serial or parallel connection, is reduced Gear number of components, reduces gearshift control point, and gear number is few.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate this utility model example, and It is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above On the basis of can also make other changes in different forms.There is no need to give to all of embodiment It is exhaustive.All any modification, equivalent and improvement made within spirit of the present utility model and principle etc., should be included in Within this utility model scope of the claims.

Claims (4)

1. it is a kind of to be based on double single-stage planetary mechanism variable transmission mechanism, it is characterised in that including two single-pinion planetary gear machines Structure and actuator, drive mechanism include the first single-stage planetary gear train(X1), the second single-stage planetary gear train (X2), Actuator includes brake and clutch, first single-stage planetary gear train(X1)With the second single-stage planetary gear train (X2)Share a common planet carrier(H), duplicate gear(P1-P2)The first duplicate gear(P1)With the first single-pinion planetary gear Mechanism(X1)(S1) external toothing of the first sun gear and the first gear ring (R1) internal messing;Second duplicate gear (P2) is single with second Level planetary gears(X2)The second planetary gear and the second gear ring (R2) internal messing and the second sun gear (S2) external toothing;
Second single-stage planetary gear train(X2)The second gear ring (R2), common planet carrier (H), the second sun gear (S2) adopted respectively It is connected with the output of torque-converters with first clutch (C1), second clutch (C2), the 3rd clutch (C3);Common planet carrier (H), the first single-stage planetary gear train(X1)The first sun gear (S1), the second single-stage planetary gear train(X2)Second too Sun wheel (S2) is respectively adopted brake connection, the first single-stage planetary gear train(X1)The first gear ring(R1)For output.
2. it is according to claim 1 based on double single-stage planetary mechanism variable transmission mechanism, it is characterised in that the first clutch Device(C1)Connect the second single-stage planetary gear train(X2)The second gear ring(R2)With input shaft;Second clutch(C2)Connect common row Carrier(H)With input shaft;3rd clutch(C3)Connect the second single-stage planetary gear train(X2)The second sun gear(S2)With it is defeated Enter axle;
It is according to claim 1 based on double single-stage planetary mechanism variable transmission mechanism, it is characterised in that the brake Including the first brake(B1), second brake(B2)With the 3rd brake(B3), the first brake(B1)Connect common planet carrier (H)With casing;Second brake(B2)Connect the first single-stage planetary gear train(X1)The first sun gear(S1)With casing;3rd Brake(B3)Connect the second single-stage planetary gear train(X2)The second sun gear(S2)With casing.
3. it is according to claim 1 based on double single-stage planetary mechanism variable transmission mechanism, it is characterised in that the first duplex Gear (P1), the second duplicate gear (P2) the number of teeth it is unequal.
4. it is according to claim 1 based on double single-stage planetary mechanism variable transmission mechanism, it is characterised in that the execution There are 6 executive components, including the first brake in mechanism(B1), second brake(B2), the 3rd brake(B3), first clutch (C1), second clutch (C2), the 3rd clutch (C3).
CN201621112780.XU 2016-10-11 2016-10-11 It is a kind of to be based on double single-stage planetary mechanism variable transmission mechanism Expired - Fee Related CN206072262U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621112780.XU CN206072262U (en) 2016-10-11 2016-10-11 It is a kind of to be based on double single-stage planetary mechanism variable transmission mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621112780.XU CN206072262U (en) 2016-10-11 2016-10-11 It is a kind of to be based on double single-stage planetary mechanism variable transmission mechanism

Publications (1)

Publication Number Publication Date
CN206072262U true CN206072262U (en) 2017-04-05

Family

ID=58441937

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621112780.XU Expired - Fee Related CN206072262U (en) 2016-10-11 2016-10-11 It is a kind of to be based on double single-stage planetary mechanism variable transmission mechanism

Country Status (1)

Country Link
CN (1) CN206072262U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019020131A1 (en) * 2017-07-25 2019-01-31 罗灿 Variable linear speed planetary row transmission mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019020131A1 (en) * 2017-07-25 2019-01-31 罗灿 Variable linear speed planetary row transmission mechanism

Similar Documents

Publication Publication Date Title
US6849022B2 (en) Automatic transmission
US9291244B2 (en) Nine speed automatic transmission
CN104903616B (en) Eight-speed powertrain of automatic transmission for vehicle
CN103807378A (en) Triple clutch multi-speed transmission
CN106763568B (en) One kind six keeps off planetary automatic transmission
CN103807387A (en) Triple clutch multi-speed transmission
CN102913598A (en) Planetary gear type manual transmission
CN104696450A (en) Triple clutch multi-speed transmission
CN206159382U (en) 11 fast automatic gearbox drive mechanism
CN106641135B (en) A kind of 12 speed automatic transmissions
CN205383227U (en) Nine -gear automatic gearbox drive mechanism
CN205401619U (en) Novel six grade high -efficient automatic gearbox drive mechanism
CN205401620U (en) Novel eight grade high -efficient automatic gearbox drive mechanism
CN202901186U (en) Planet gear type manual transmission
CN206072262U (en) It is a kind of to be based on double single-stage planetary mechanism variable transmission mechanism
CN103939539A (en) Electrically-driven planetary transmission
CN110030335A (en) Complete single schedule speed changer in center of the same race
CN104295679B (en) Multi-gear speed changer of planet gear structure
CN103925345B (en) A kind of electrically driven (operated) planetary transmission
CN102808906B (en) A kind of automatic transmission and motor vehicles
CN106678294B (en) The double internal messing planet speed change mechanisms of fourth gear
CN101446332B (en) Planetary gearbox with multi-gear power gear shifting
CN105546060B (en) A kind of double speed automatic transmissions of clutch four of planetary gear type
CN201359059Y (en) Multi-gear power shift planetary gearbox
CN201359060Y (en) Multi-gear power shift planetary gearbox

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
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: 20170405

Termination date: 20191011