CN105402334B - Fourth gear automatic speed changer for machine power assembly system based on planetary gears - Google Patents
Fourth gear automatic speed changer for machine power assembly system based on planetary gears Download PDFInfo
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- CN105402334B CN105402334B CN201510975257.3A CN201510975257A CN105402334B CN 105402334 B CN105402334 B CN 105402334B CN 201510975257 A CN201510975257 A CN 201510975257A CN 105402334 B CN105402334 B CN 105402334B
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- gear
- clutch
- planet carrier
- speed changer
- transmission
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- 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
- F16H3/46—Gearings having only two central gears, connected by orbital gears
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The present invention discloses a kind of fourth gear automatic speed changer for machine power assembly system based on planetary gears, including engine, main clutch, motor, the first planet row, second planet row, two sets of engagement devices, three side clutches, electromagnetic brake, two brakes, gear ring and transmission input shaft, output shaft；The transmission input shaft is sequentially provided with the first planet row, the second planet row, splined hub, and the splined hub engages with clutch collar；The switching of four forwards, neutral and reverse gear is realized by the mutual cooperation of clutch collar, electromagnetic brake and clutch.The present invention cancels synchronizer, smooth-going gear shift is carried out using the accurate speed governing of motor compared to tradition machinery speed changer, and the multipair gear mechanisms of tradition are replaced using two groups of planetary gears, and integrated model is simple, small volume, cost are low, easy to process.
Description
Technical field
The invention belongs to vehicle automatic speed variator technical field, is related to a kind of vehicle drive-train automatic transmission, especially
It is related to a kind of fourth gear automatic speed changer for machine power assembly system based on planetary gears.
Background technology
Compared with traditional combustion engine automobile, the appearance of hybrid vehicle and electric automobile more conformed to modern efficient,
The epoch trend of energy-saving and environmental protection.One of the core component of speed changer as vehicle, the height of its technical merit affects vehicle
Overall performance.
For hybrid vehicle, on the basis of transmission reduction increment is played, solution gearbox is focused on
Volume weight is larger and a series of problems, such as cost is high, difficulty of processing is big.It is more using fixation at present for electric automobile
The single reduction gear of gearratio or two speed transmissions, it is not only larger to motor power (output) demand, and can not be simultaneous well
Care for dynamic property and economy.On the basis of gearbox size is not increased, increase its gear number, power performance can be met
Cause electric motor operation in high efficient district simultaneously.
Because epicyclic transmission has the characteristics of big speed ratio, small volume, stable working, large carrying capacity, by
Gradually it is widely used in automatic transmission.
It is as follows that patent CN201795003U discloses scheme：Input shaft one terminates motor output shaft, and the other end passes through clutch
Device 1 and 2 is connected with planet carrier and sun gear respectively, and gear ring is affixed with gearbox case, and output shaft is coaxially affixed with planet carrier.It is logical
Cross clutch 1 and 2 and realize two gear speed-changings.
Patent CN201410181074 discloses a kind of arrangement of Ravigneaux formula compound planetary row.Front-seat sun gear connects
Motor output shaft, heel row sun gear are transmission output shaft, and heel row planetary gear is meshed with front-seat planetary gear, front and rear rows of planetary
Row shares a planet carrier, and by torque transmitter, fixed carrier and front-seat gear ring realize that two gears are shifted gears respectively.
The current patent about epicyclic transmission is typically all to utilize two groups of planet heat-extraction systems or compound planetary
Row realizes that two gears are shifted gears, and gear number is less；Or the mode connected using planetary gear system with conventional gears gear
More gear gearshifts are carried out, structure is complex.
The content of the invention
The present invention is in view of the deficienciess of the prior art, propose that a kind of fourth gear machine automatization based on planetary gears becomes
Fast device power assembly system, is mainly used in single shaft parallel hybrid electric vehicle or pure electric automobile, adds speed changer
Gear causes vehicle more to work in high efficient district, and while vehicle power performance and the economy performance is ensured, reduces
Gearbox size, space is conceded for the arrangement of other assemblies.
The present invention is achieved through the following technical solutions：
Fourth gear automatic speed changer for machine power assembly system based on planetary gears, including engine, main clutch,
Motor, the first planet row, the second planet row, transmission output shaft, transmission input shaft；
The input shaft of the main clutch is connected with the output shaft of the engine, the output shaft of the main clutch and institute
The input shaft for stating motor is connected, and internal spline, the transmission input shaft and the electricity are provided with the output shaft of the motor
Motivation internal spline output shaft engages；
The first planet row, the first splined hub, the second planet row, the second spline are sequentially provided with the transmission input shaft
Hub；First planet row includes the first sun gear, the first planetary gear, the first planet carrier；Second planet row includes second
Sun gear, the second planetary gear, the second planet carrier；First sun gear is defeated in the speed changer with the second sun gear empty set
Enter on axle；
The second engagement gear ring is cast with second sun gear, second splined hub passes through the engagement of spline engagement second
Set, second clutch collar can slide axially along second splined hub, and be engaged with the described second engagement gear ring；
The first engagement gear ring is cast with first sun gear, first splined hub passes through the engagement of spline engagement first
Set, first clutch collar can slide axially along first splined hub, and be engaged with the described first engagement gear ring；
First planet carrier and second planet carrier share gear ring；
First planet carrier is connected with second planet carrier by the first side clutch, first planet carrier and institute
State the second sun gear by the second side clutch to be connected, pass through the 3rd side clutch between second planet carrier and the gear ring
It is connected；
The gear ring is provided with electromagnetic brake, and is connected with the coiler part of the electromagnetic brake, the electromagnetic system
The armature part of dynamic device is connected case of transmission, realizes fixing and separating for the gear ring and the case of transmission；
The first planetary carrier brake and second sun are respectively arranged with first planet carrier and second sun gear
Brake is taken turns, for its rotation of locking；
The rotary shaft of second planet carrier is the transmission output shaft.
Further, the main clutch, the side clutch can be ordinary clutch, dry clutch, wet clutch
Or one kind in electromagnetic clutch.
Further, the housing of the case of transmission and the motor after fixed finger setting by being joined directly together.
Further, the system has four forward gears and a reverse gear.
The technique effect that the present invention has is：
1) compared with standard machinery speed changer, this programme replaces traditional ordinary gear speed changer using two groups of planet rows,
Gearbox size is effectively reduced, reduces difficulty of processing and manufacturing cost, it is compact-sized to save cloth for other assemblies and be empty
Between.
2) the present invention program eliminates synchromesh gear, is realized quickly without crash change of speed using the accurate speed governing of motor,
Effectively reduce impact；And be not related in the gear switch of clutch collar, only it need to control first, second, third side clutch
Combination and disconnection can with brake apparatus are realized the smooth-going of gear, are switched fast, and shift shock is smaller.
3) when the present invention program is applied to pure electric automobile, with current single-stage speed changer compared with two speed transmissions,
On the basis of speed changer structure complexity is not increased, transmission range is added, improves the work that electric automobile presently, there are
The problem of condition bad adaptability.
Brief description of the drawings
Fig. 1 is the structural representation of the fourth gear automatic speed changer for machine power assembly system of the invention based on planetary gears
Figure；
Wherein：1- engines；2- clutches；3- motor；The sun gears of 4- first；The planetary gears of 5- first；The planets of 6- first
Frame；7- electromagnetic brakes；The planetary carrier brakes of 8- first；9- gear rings；The side clutches of 10- first；The side clutches of 11- the 3rd；12-
Second planet carrier；The planetary gears of 13- second；The sun gears of 14- second；15- transmission output shafts；16- splined hubs；17- engages gear ring；
18- clutch collars；19- the second sun gear brakes；The clutch collars of 20- first；The side clutches of 21- second；22- transmission input shafts；
23- case of transmissions.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes.
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Retouched by reference to accompanying drawing
The embodiment stated is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
As shown in figure 1, the fourth gear automatic speed changer for machine power assembly system based on planetary gears, including engine
1, main clutch 2, motor 3, the first planet row, the second planet row, transmission output shaft 15, transmission input shaft 22；
The input shaft of the main clutch 2 is connected with the output shaft of the engine 1, the output shaft of the main clutch 2
It is connected with the input shaft of the motor 3, internal spline, the transmission input shaft 22 is provided with the output shaft of the motor 3
Engaged with the motor internal spline output shaft；
The first planet row, the first splined hub, the second planet row, the second spline are sequentially provided with the transmission input shaft 22
Hub 16；First planet row includes the first sun gear 4, the first planetary gear 5, the first planet carrier 6；First sun gear 4 with
First planetary gear 5 engages, and first planetary gear 5 engages with first planet carrier 6；Second planet row includes the
Two sun gears 14, the second planetary gear 13, the second planet carrier 12；Second sun gear 14 engages with second planetary gear 13,
Second planetary gear 13 engages with second planet carrier 12；First sun gear 4 and the empty set of the second sun gear 14
On the transmission input shaft 22；
The second engagement gear ring 17 is cast with second sun gear 14, second splined hub 16 engages second by spline
Clutch collar 18, second clutch collar 18 can slide axially along second splined hub 16, and engage gear ring 17 with described second
Engage；
The first engagement gear ring is cast with first sun gear 4, first splined hub passes through the engagement of spline engagement first
Set 20, first clutch collar 20 can slide axially along first splined hub, and be engaged with the described first engagement gear ring；
First planet carrier 6 and second planet carrier 12 share gear ring 9；
First planet carrier 6 is connected with second planet carrier 12 by the first side clutch 10, first planet
Frame 6 is connected with second sun gear 14 by the second side clutch 21, is led between second planet carrier 13 and the gear ring 9
The 3rd side clutch 11 is crossed to be connected；
The gear ring 9 is provided with electromagnetic brake 7, and is connected with the coiler part of the electromagnetic brake 7, the electromagnetism
The armature part of brake 7 is connected case of transmission 23, realizes fixing and separating for the gear ring 9 and the case of transmission；
The housing of the case of transmission 23 and the motor 3 after fixed finger setting by being joined directly together；
The first planetary carrier brake 8 and second is respectively arranged with first planet carrier 6 and second sun gear 14
Sun gear brake 19, for its rotation of locking；
The rotary shaft of second planet carrier 13 is the transmission output shaft 15；
The main clutch 2, the side clutch can be ordinary clutch, dry clutch, wet clutch or electromagnetism
One kind in clutch.
The present embodiment is mainly used in single shaft parallel hybrid electric vehicle or pure electronic vapour using structure shown in Fig. 1
Car.Single shaft parallel hybrid electric vehicle has three kinds of drive patterns, respectively engine is operated alone, motor is operated alone,
Engine and motor combination drive；In Fig. 1, engine and motor are coaxial, and power source is all under three kinds of drive patterns
It is transmission input shaft input by same axis, therefore following power source transfer routes is identical under three kinds of drive patterns
's.When this programme is used for pure electric automobile, engine 1 and clutch 2 in Fig. 1 are saved.
The present embodiment can realize four forward gears and a reverse gear, and power is inputted by transmission input shaft, be specially：
(1) forward gear
During forward gear, single shaft parallel hybrid electric vehicle power source is engine is operated alone, motor is operated alone
Or the two cooperative combination drive, pure electric vehicle power source are motor driving, the in addition transmission road of the two
Line is identical.It is specific as follows：
(1) one grade：
First clutch collar 20 is engaged, and the second clutch collar 18 is disconnected, and electromagnetic brake 7 is opened, and the first side clutch 10 disconnects,
Second side clutch 21 engages, and its power transmission line is：
The planet carrier 12 of 6 → the second sun gear of transmission input shaft 22 → the first sun gear, 4 → the first planet carrier 14 → the second
→ output
(2) two grades：
First clutch collar 20 is engaged, and the second clutch collar 18 is disconnected, and electromagnetic brake 7 is opened, and the first side clutch 10 engages,
Second side clutch 21 disconnects, and its power transmission line is：
22 → the first sun gear of transmission input shaft, 4 → the first planet carrier 6 → the second, 12 → output of planet carrier
(3) third gear：
First clutch collar 20 is disconnected, and the second clutch collar 18 is engaged, and electromagnetic brake 7 is opened, and its power transmission line is：
22 → the second sun gear of transmission input shaft 14 → the second, 12 → output of planet carrier
(4) fourth gear (direct high)：
First clutch collar 20 is disconnected, and the second clutch collar 18 is engaged, and electromagnetic brake 7 is closed, and the 3rd side clutch 11 engages,
Its power transmission route is：
22 → the second sun gear of transmission input shaft 14 → the second, 12 → output of planet carrier
(2) reverse gear
(1) single shaft parallel hybrid electric vehicle
Motor is operated alone in the case of battery SOC is larger, now realizes reverse gear using motor reversion, its power passes
It is identical to pass the transfer route of one grade of route and forward gear, i.e.,：
The planet carrier 12 of 6 → the second sun gear of transmission input shaft 22 → the first sun gear, 4 → the first planet carrier 14 → the second
→ output
Engine is operated alone in the case of battery SOC is smaller, and now the first clutch collar 20 engages, and the second clutch collar 18 is disconnected
Open, the first planetary carrier brake 8 engages, and the second sun gear brake 19 engages, in the first planet row, by the first planet carrier 6
Fixed, actively, gear ring 9 is passive for the first sun gear 4, and so as to realize reversion using planetary wheeling mechanism, the second planet row rotates forward, so as to
Reach reverse gear requirement, its power transmission line is as follows：
22 → the first 4 → gear ring of sun gear of transmission input shaft 9 → the second, 12 → output of planet carrier
(2) pure electric automobile
When the present embodiment is used for pure electric automobile, reverse gear, its power transmission directly can be achieved using motor reversion
The transfer route of one grade of route and drive shift is identical, i.e.,：
The planet carrier 12 of 6 → the second sun gear of transmission input shaft 22 → the first sun gear, 4 → the first planet carrier 14 → the second
→ output.
To sum up, the present invention cancels synchronizer, carries out smooth-going gear shift using the accurate speed governing of motor, uses two groups of planetary gears
Mechanism replaces the multipair gear mechanism of tradition, and integrated model is simple, small volume, cost are low, easy to process.
Above-described is the preferred embodiment of the present invention, it should be pointed out that is come for the ordinary person of the art
Say, some improvements and modifications can also be made under the premise of principle of the present invention is not departed from, and these improvements and modifications also exist
In protection scope of the present invention.
Claims (4)
- A kind of 1. fourth gear automatic speed changer for machine power assembly system based on planetary gears, it is characterised in that：Including hair Motivation (1), main clutch (2), motor (3), the first planet row, the second planet row, transmission output shaft (15), speed changer is defeated Enter axle (22)；The input shaft of the main clutch (2) is connected with the output shaft of the engine (1), the output of the main clutch (2) Axle is connected with the input shaft of the motor (3), and the output shaft of the motor (3) is provided with internal spline, the speed changer input Axle (22) engages with the internal spline of the motor output shaft；The first planet row, the second planet row, the first splined hub, the second splined hub are sequentially provided with the transmission input shaft (22) (16)；First planet row includes the first sun gear (4), the first planetary gear (5), the first planet carrier (6)；Second planet Row includes the second sun gear (14), the second planetary gear (13), the second planet carrier (12)；First sun gear (4) and described the Two sun gears (14) empty set is on the transmission input shaft (22)；It is cast with the second engagement gear ring (17) on second sun gear (14), second splined hub (16) passes through spline engagement the Two clutch collars (18), second clutch collar (18) can slide axially along second splined hub (16), and be connect with described second Gear ring (17) is closed to engage；The first engagement gear ring is cast with first sun gear (4), first splined hub engages the first clutch collar by spline (20), first clutch collar (20) can slide axially along first splined hub, and be engaged with the described first engagement gear ring；First planet carrier (6) and second planet carrier (12) share gear ring (9)；First planet carrier (6) is connected with second planet carrier (12) by the first side clutch (10), the first row Carrier (6) is connected with second sun gear (14) by the second side clutch (21), second planet carrier (13) with it is described It is connected between gear ring (9) by the 3rd side clutch (11)；The gear ring (9) is provided with electromagnetic brake (7), and is connected with the coiler part of the electromagnetic brake (7), the electricity The connected case of transmission (23) in the armature part of magnetic brake (7), realizes the fixation of the gear ring (9) and the case of transmission And separation；The first planetary carrier brake (8) and are respectively arranged with first planet carrier (6) and second sun gear (14) Two sun gear brakes (19), for its rotation of locking；The rotary shaft of second planet carrier (13) is the transmission output shaft (15).
- A kind of 2. fourth gear automatic speed changer for machine power assembly system based on planetary gears according to claim 1 System, it is characterised in that：The main clutch (2), the side clutch can be dry clutch, wet clutch or electromagnetic clutch One kind in device.
- A kind of 3. fourth gear automatic speed changer for machine power assembly system based on planetary gears according to claim 1 System, it is characterised in that：The case of transmission (23) and the housing of the motor (3) pass through direct phase after fixed finger setting Even.
- A kind of 4. fourth gear automatic speed changer for machine power assembly system based on planetary gears according to claim 1 System, it is characterised in that：The system has four forward gears and a reverse gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510975257.3A CN105402334B (en) | 2015-12-21 | 2015-12-21 | Fourth gear automatic speed changer for machine power assembly system based on planetary gears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510975257.3A CN105402334B (en) | 2015-12-21 | 2015-12-21 | Fourth gear automatic speed changer for machine power assembly system based on planetary gears |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105402334A CN105402334A (en) | 2016-03-16 |
| CN105402334B true CN105402334B (en) | 2017-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510975257.3A Active CN105402334B (en) | 2015-12-21 | 2015-12-21 | Fourth gear automatic speed changer for machine power assembly system based on planetary gears |
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| CN106763570B (en) * | 2016-12-21 | 2023-07-14 | 张家港川梭车业有限公司 | Single-wheel direct-drive multi-gear full-automatic transmission with fixed central wheel |
| CN106704495B (en) * | 2016-12-23 | 2023-03-31 | 陕西国力信息技术有限公司 | Modular combined transmission suitable for more gears |
| CN108237905B (en) * | 2016-12-27 | 2020-03-31 | 比亚迪股份有限公司 | Drive shaft locking device, power drive system and vehicle |
| CN107061642A (en) * | 2017-03-15 | 2017-08-18 | 清华大学 | A kind of two grades of gearboxes of dual brake formula electric car and its control method |
| CN106882026B (en) * | 2017-03-30 | 2023-07-04 | 北京理工大学 | Dual-motor asynchronous multi-gear power coupling device and control method thereof |
| CN107178585B (en) * | 2017-06-30 | 2023-08-04 | 贵州凯星液力传动机械有限公司 | High-power hydraulic variable-speed transmission device |
| CN107542917B (en) * | 2017-08-24 | 2019-06-28 | 江苏大学 | A kind of power failure-free gear shift automatic speed changer for machine hybrid drive train |
| CN107599820A (en) * | 2017-10-24 | 2018-01-19 | 广西玉柴机器股份有限公司 | Hybrid drive train |
| CN110657203B (en) * | 2018-06-29 | 2022-02-08 | 比亚迪股份有限公司 | Transmission, power driving system and vehicle |
| CN110657200B (en) * | 2018-06-29 | 2021-12-07 | 比亚迪股份有限公司 | Transmission, power driving system and vehicle |
| CN110657202B (en) * | 2018-06-29 | 2022-03-15 | 比亚迪股份有限公司 | Transmission, power driving system and vehicle |
| CN110657201B (en) * | 2018-06-29 | 2022-03-18 | 比亚迪股份有限公司 | Transmission, power driving system and vehicle |
| CN109488740B (en) * | 2019-01-02 | 2024-09-24 | 石河子大学 | Single-row bipolar type hydraulic mechanical stepless speed changer |
| CN112848874A (en) * | 2021-03-10 | 2021-05-28 | 苏州亚太金属有限公司 | Low-cost hybrid power system with good working condition coverage degree and driving method thereof |
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| JPS5666548A (en) * | 1979-11-05 | 1981-06-05 | Toyota Motor Corp | Speed change gear for vehicle |
| JP3102034B2 (en) * | 1990-12-18 | 2000-10-23 | 株式会社デンソー | In-vehicle accessory drive |
| US5836850A (en) * | 1997-06-04 | 1998-11-17 | General Motors Corporation | Four speed power transmission |
| KR100341748B1 (en) * | 1999-07-08 | 2002-06-24 | 이계안 | GEAR TRAIN FOR ATs |
| CN201891808U (en) * | 2010-11-30 | 2011-07-06 | 长城汽车股份有限公司 | Four-speed automatic transmission |
| CN103291859B (en) * | 2013-01-16 | 2015-08-19 | 清华大学 | A kind of power maintenance mechanical automobile three shift automatic transmission system |
| CN104088974A (en) * | 2014-06-25 | 2014-10-08 | 中国重型机械研究院股份公司 | Winch planetary transmission and speed regulation modes for same |
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