CN107327556A - A kind of two grades of planetary gears gearbox drive axle system and method - Google Patents
A kind of two grades of planetary gears gearbox drive axle system and method Download PDFInfo
- Publication number
- CN107327556A CN107327556A CN201710647328.6A CN201710647328A CN107327556A CN 107327556 A CN107327556 A CN 107327556A CN 201710647328 A CN201710647328 A CN 201710647328A CN 107327556 A CN107327556 A CN 107327556A
- Authority
- CN
- China
- Prior art keywords
- gear
- shaft
- driving
- wheel train
- output wheel
- 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.)
- Pending
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
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/02—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
- F16H47/04—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention belongs to car transmissions technical field, it is related to a kind of two grades of planetary gears gearboxes driving bridge system and its drive method, including motor, epicyclic train, differential mechanism, the first output wheel train and the second output wheel train.It is by the method for driving bridge system to shift gears：1. one grade：Motor is rotated forward, and reversal valve is located at left position, and gear ring is fixed together by brake with support, so that gear ring be braked, the power of sun gear input is transmitted to differential mechanism by planetary gear and planet carrier；2. two gears：Motor is rotated forward, and reversal valve is located at right position, and gear ring is connected by clutch with planet carrier, the power of sun gear input, and differential mechanism is transmitted to by planetary gear and planet carrier.Beneficial effects of the present invention are：Using planetary gears gear shift, put by two main reducing gears, highly integrated, overall volume is small, reduces installing space；The present invention uses planetary gears gear shift, improves gearshift efficiency；Simple in construction, gearshift is convenient, is easy to safeguard, reduces cost.
Description
Technical field
The invention belongs to car transmissions technical field, it is related to a kind of two grades of planetary gears gearbox drive axle systems
System and its method.
Background technology
Environmental protection is the 21st century major issue that faces of the whole world with energy-conservation, and the Chinese government it is also proposed construction economizing type
The fundamental state policy of society and the Industry Development Policy for encouraging development small displacement energy-efficient automobile, electric automobile is to realize this target
One of important means.
The more driving bridge system of application is mostly by single main reducing gear, differential mechanism, semiaxis, driving axle housing in the market
Deng composition, power is exported through gearbox, and differential mechanism, last semiaxis output, for example, Application No. are passed to by main reducing gear
CN201610800240 Chinese invention patent discloses a kind of automobile drive axle, including main reducing gear, differential mechanism and drive axle
Shell, the differential mechanism includes left half axle, right axle shaft, driven pulley, pinion frame, planetary gear, left half axle gear, right axle shaft tooth
Wheel, the left half axle gear is arranged on the left half axle, and the right axle shaft gear is arranged on the right axle shaft, and described left half
Shaft gear and the right axle shaft gear are engaged with the planetary gear respectively, and the planetary gear includes wheel shaft and is fixedly installed on
The gear of wheel shaft one end, the wheel shaft is rotatably arranged on the pinion frame, and the pinion frame is arranged on institute
State on driven pulley, and the driven pulley synchronous axial system, be provided with the end face of left half axle gear or the right axle shaft gear deeply extremely
Be plugged with the body of rod in hole A inside left half axle or right axle shaft, the hole A, one end of the body of rod extend into the right axle shaft gear with
Between left half axle gear, the body of rod and the circumferentially fixed connections of the hole A, axial sliding fit；The right axle shaft gear and a left side
Friction plate is additionally provided between axle shaft gear, the friction plate is fixedly connected with the body of rod, the end face and left half axle of the friction plate
The end face laminating of gear or right axle shaft gear；Also include being used for applying pressure to the body of rod with strengthen friction plate and left half axle gear or
The pressure exerting arrangement of frictional force between right axle shaft gear face.This structure overall dimensions of patent of invention as described above, installation
Spatial General 6 R is all than larger, and cost is high, and gearshift efficiency is low.
The content of the invention
The purpose of the present invention is that there is provided a kind of two grades of planetary gears gearbox drive axles in view of the shortcomings of the prior art
System and method, the power provided by motor, through planetary gears, is exported by differential mechanism, main reducing gear, reduced
The integrally-built size of bridge system is driven, the space of system occupancy is saved, reduces cost, improve gearshift efficiency.
The technical scheme of the present invention that solves the problems, such as is：A kind of two grades of planetary gears gearboxes driving bridge system, including
Motor, epicyclic train, differential mechanism, the first output wheel train and the second output wheel train；
Epicyclic train is by input shaft and motor connection, including the sun gear being fixed on input shaft, is fixed on planet
Planetary gear on frame and with sun gear external toothing and the gear ring with planetary gear internal messing, are provided with clutch and system on gear ring
Dynamic device, brake is connected by support with planet carrier, and clutch and brake are connected with reversal valve and overflow valve, and overflow valve passes through
Double-direction gearpump is connected with input shaft；
Differential casing is connected by planet carrier with epicyclic train, and differential mechanism passes through the first power transmission shaft and second driving shaft
The first driving gear of the first output wheel train and the second driving gear of the second output wheel train are connected respectively；
First output wheel train exports power by the first driven gear for being engaged with the first driving gear through the first output shaft；
Second output wheel train exports power by the second driven gear for being engaged with the second driving gear through the second output shaft.
Further, input shaft is hollow shaft, is sleeved on the outside of the first power transmission shaft.
Further, motor uses permagnetic synchronous motor.
Further, clutch uses wet clutch.
Further, brake uses friction disk type brake.
Further, it is by the method for the driving bridge system gearshift：
1. one grade：Motor is rotated forward, and drives double-direction gearpump, sun gear to rotate forward, and when reversal valve is located at left position, oil is by overflowing
Stream valve is flowed at reversal valve, and oil pressure rise, valve is opened, and oil is entered in brake cavity by the oil inlet of brake, pressure oil
Overcome the return spring resistance of brake inside, be moved to the left piston, friction plate is compressed, gear ring is connected in one with support
Rise, so that gear ring be braked, the power of sun gear input is transmitted to differential mechanism by planetary gear and planet carrier, and passes through first respectively
Power transmission shaft and second driving shaft are delivered to the first output wheel train and the second output wheel train, defeated from the first output shaft and the second output shaft
Go out power；
2. two gears：Motor is rotated forward, and drives double-direction gearpump, sun gear to rotate forward, and when reversal valve is located at right position, oil is by overflowing
Stream valve is flowed at reversal valve, and oil pressure rise, valve is opened, and oil is entered in clutch cavity body by the oil inlet of clutch, pressure oil
Overcome return spring resistance in clutch, piston is moved right, friction plate is compressed, gear ring is connected with planet carrier, the sun
The power of input is taken turns, differential mechanism is transmitted to by planetary gear and planet carrier, and passed respectively by the first power transmission shaft and second driving shaft
The first output wheel train and the second output wheel train are delivered to, from the first output shaft and the second output shaft output power.
Beneficial effects of the present invention are：
1st, using planetary gears gear shift, put by two main reducing gears, highly integrated, overall volume is small, reduce peace
Fill space；
2nd, the present invention uses planetary gears gear shift, improves gearshift efficiency；
3rd, simple in construction, gearshift is convenient, is easy to safeguard, reduces cost.
Brief description of the drawings
Fig. 1 is the integrally-built schematic diagram of the driving bridge system.
Fig. 2 is the A portions zoomed-in view in Fig. 1.
Fig. 3 is the drive path figure of one grade of the bridge system of driving.
Fig. 4 is the drive path figure of two grades of the bridge system of driving.
In figure：The output shafts of 1- second, the driven gears of 2- second, the driving gears of 3- second, 4- planet carriers, 5- clutches, 6-
Gear ring, 7- planetary gears, 8- sun gears, 9- input shafts, 10- differential mechanisms, 11- motors, the power transmission shafts of 12- first, 13- first is actively
Gear, the driven gears of 14- first, the output shafts of 15- first, 16- brakes, 17 second driving shafts, 18- reversal valves, 19- supports,
20- double-direction gearpumps, 21- overflow valves.
Embodiment
With reference to the accompanying drawings and detailed description, the present invention is further illustrated.
Embodiment one
The driving bridge system, as depicted in figs. 1 and 2, including the output of motor 11, epicyclic train, differential mechanism 10, first
Train and the second output wheel train；
Epicyclic train is connected by input shaft 9 with motor 11, including the sun gear 8 being fixed on input shaft 9, is fixed on
Planetary gear 7 on planet carrier 4 and with the external toothing of sun gear 8 and the gear ring 6 with the internal messing of planetary gear 7, are provided with gear ring 6
Clutch 5 and brake 16, brake 16 are connected by support 19 with planet carrier 4, and clutch 5 and brake 16 are connected with commutation
Valve 18 and overflow valve 21, overflow valve 21 are connected by double-direction gearpump 20 with input shaft 9；
Differential casing is connected by planet carrier 4 with epicyclic train, and differential mechanism 10 passes through the first power transmission shaft 12 and second
Power transmission shaft 17 connects the first driving gear 13 of the first output wheel train and the second driving gear 3 of the second output wheel train respectively；
First output wheel train is defeated through the first output shaft 15 by the first driven gear 14 engaged with the first driving gear 13
Go out power；
Second output wheel train is exported through the second output shaft 1 by the second driven gear 2 engaged with the second driving gear 3 and moved
Power.
Further, input shaft 9 is hollow shaft, is sleeved on the outside of the first power transmission shaft 12.
Further, motor 11 uses permagnetic synchronous motor.
Further, clutch 5 uses wet clutch.
Further, brake 16 uses friction disk type brake.
It is by the method for driving bridge system to shift gears：
1. one grade：As shown in figure 3, motor 11 is rotated forward, double-direction gearpump 20, sun gear 8 is driven to rotate forward, when reversal valve 18
When left position, oil is flowed at reversal valve 18 by overflow valve 21, and oil pressure rise, valve is opened, the oil inlet that oil passes through brake 16
Into in the cavity of brake 16, pressure oil overcomes the return spring resistance inside brake 16, is moved to the left piston, will rub
Piece is compressed, and gear ring 6 is fixed together with support 19, so that gear ring 6 be braked, the power that sun gear 8 is inputted passes through planetary gear 7
Differential mechanism is transmitted to planet carrier 4, and first gear system and are delivered to by the first power transmission shaft 12 and second driving shaft 17 respectively
Two gear trains, from the first output shaft 15 and the second output shaft 1 output power；
2. two gears：As shown in figure 4, motor 11 is rotated forward, double-direction gearpump 20, sun gear 8 is driven to rotate forward, when reversal valve 18
When right position, oil is flowed at reversal valve 18 by overflow valve 21, and oil pressure rise, valve is opened, and oil is entered by the oil inlet of clutch 5
Enter in the cavity of clutch 5, pressure oil overcomes return spring resistance in clutch 5, piston is moved right, friction plate is compressed,
Gear ring 6 is connected with planet carrier 4, the power that sun gear 8 is inputted is transmitted to differential mechanism by planetary gear 7 and planet carrier 4, and leads to respectively
Cross the first power transmission shaft 12 and second driving shaft 17 is delivered to first gear system and second gear system, from the first output shaft 15 and second
Output shaft 1 exports power.
The present invention is not limited to above-mentioned embodiment, in the case of without departing substantially from substantive content of the present invention, art technology
Any deformation that personnel are contemplated that, improvement, replace and each fall within protection scope of the present invention.
Claims (6)
1. a kind of two grades of planetary gears gearboxes driving bridge system, it is characterised in that including motor, epicyclic train, difference
Fast device, the first output wheel train and the second output wheel train；
Epicyclic train is by input shaft and motor connection, including the sun gear being fixed on input shaft, in fixed planet carrier
And the planetary gear with sun gear external toothing and the gear ring with planetary gear internal messing, clutch and braking are provided with gear ring
Device, brake is connected by support with planet carrier, and clutch and brake are connected with reversal valve and overflow valve, and overflow valve passes through double
It is connected to gear pump with input shaft；
Differential casing is connected by planet carrier with epicyclic train, and differential mechanism is distinguished by the first power transmission shaft and second driving shaft
Connect the first driving gear of the first output wheel train and the second driving gear of the second output wheel train；
First output wheel train exports power by the first driven gear for being engaged with the first driving gear through the first output shaft；
Second output wheel train exports power by the second driven gear for being engaged with the second driving gear through the second output shaft.
2. driving bridge system according to claim 1, it is characterised in that input shaft is hollow shaft, is sleeved on the first transmission
The outside of axle.
3. driving bridge system according to claim 1, it is characterised in that motor uses permagnetic synchronous motor.
4. driving bridge system according to claim 1, it is characterised in that clutch uses wet clutch.
5. driving bridge system according to claim 1, it is characterised in that brake uses friction disk type brake.
6. a kind of driving bridge system according to claim 1, it is characterised in that side shifted gears by the driving bridge system
Method is：
(1) one grade：Motor is rotated forward, and drives double-direction gearpump, sun gear to rotate forward, and when reversal valve is located at left position, oil passes through overflow
Valve is flowed at reversal valve, and oil pressure rise, valve is opened, and oil is entered in brake cavity by the oil inlet of brake, pressure oil gram
The return spring resistance of brake inside is taken, piston is moved to the left, friction plate is compressed, gear ring is connected in one with support
Rise, so that gear ring be braked, the power of sun gear input is transmitted to differential mechanism by planetary gear and planet carrier, and passes through first respectively
Power transmission shaft and second driving shaft are delivered to the first output wheel train and the second output wheel train, defeated from the first output shaft and the second output shaft
Go out power；
(2) two gears：Motor is rotated forward, and drives double-direction gearpump, sun gear to rotate forward, and when reversal valve is located at right position, oil passes through overflow
Valve is flowed at reversal valve, and oil pressure rise, valve is opened, and oil is entered in clutch cavity body by the oil inlet of clutch, pressure oil gram
Return spring resistance in clutch is taken, piston is moved right, friction plate is compressed, gear ring is connected with planet carrier, sun gear
The power of input, is transmitted to differential mechanism, and transmitted respectively by the first power transmission shaft and second driving shaft by planetary gear and planet carrier
To the first output wheel train and the second output wheel train, from the first output shaft and the second output shaft output power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710647328.6A CN107327556A (en) | 2017-08-01 | 2017-08-01 | A kind of two grades of planetary gears gearbox drive axle system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710647328.6A CN107327556A (en) | 2017-08-01 | 2017-08-01 | A kind of two grades of planetary gears gearbox drive axle system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107327556A true CN107327556A (en) | 2017-11-07 |
Family
ID=60199814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710647328.6A Pending CN107327556A (en) | 2017-08-01 | 2017-08-01 | A kind of two grades of planetary gears gearbox drive axle system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107327556A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108016267A (en) * | 2017-12-29 | 2018-05-11 | 聊城大学 | A kind of single motor coupler of pure electric vehicle |
| CN110843490A (en) * | 2019-12-06 | 2020-02-28 | 格特拉克（江西）传动系统有限公司 | Two-gear coaxial electric drive system |
| CN110953310A (en) * | 2018-09-26 | 2020-04-03 | 麦格纳Pt有限两合公司 | Electric axle drive with a planetary gear and two gears |
| CN111439118A (en) * | 2020-05-06 | 2020-07-24 | 常州易控汽车电子股份有限公司 | Coaxial two-gear planetary row electric drive axle for automobile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4430908A (en) * | 1981-09-08 | 1984-02-14 | Ford Motor Company | Split path electric vehicle powertrain |
| DE102010031747A1 (en) * | 2010-07-21 | 2012-01-26 | Schaeffler Technologies Gmbh & Co. Kg | drive unit |
| CN103587411A (en) * | 2013-11-29 | 2014-02-19 | 合肥工业大学 | Motor-transmission integrated transmission system for blade electric vehicle |
| CN105539130A (en) * | 2016-01-22 | 2016-05-04 | 吉林大学 | Electric driving axle based on single planet row |
| CN106523645A (en) * | 2016-12-23 | 2017-03-22 | 南京越博动力系统股份有限公司 | Transmission system of two-gear automatic transmission of electric automobile |
| CN206972857U (en) * | 2017-08-01 | 2018-02-06 | 南京越博动力系统股份有限公司 | A kind of two grades of planetary gears gearboxes driving bridge system |
-
2017
- 2017-08-01 CN CN201710647328.6A patent/CN107327556A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4430908A (en) * | 1981-09-08 | 1984-02-14 | Ford Motor Company | Split path electric vehicle powertrain |
| DE102010031747A1 (en) * | 2010-07-21 | 2012-01-26 | Schaeffler Technologies Gmbh & Co. Kg | drive unit |
| CN103587411A (en) * | 2013-11-29 | 2014-02-19 | 合肥工业大学 | Motor-transmission integrated transmission system for blade electric vehicle |
| CN105539130A (en) * | 2016-01-22 | 2016-05-04 | 吉林大学 | Electric driving axle based on single planet row |
| CN106523645A (en) * | 2016-12-23 | 2017-03-22 | 南京越博动力系统股份有限公司 | Transmission system of two-gear automatic transmission of electric automobile |
| CN206972857U (en) * | 2017-08-01 | 2018-02-06 | 南京越博动力系统股份有限公司 | A kind of two grades of planetary gears gearboxes driving bridge system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108016267A (en) * | 2017-12-29 | 2018-05-11 | 聊城大学 | A kind of single motor coupler of pure electric vehicle |
| CN110953310A (en) * | 2018-09-26 | 2020-04-03 | 麦格纳Pt有限两合公司 | Electric axle drive with a planetary gear and two gears |
| CN110843490A (en) * | 2019-12-06 | 2020-02-28 | 格特拉克（江西）传动系统有限公司 | Two-gear coaxial electric drive system |
| CN110843490B (en) * | 2019-12-06 | 2023-11-10 | 麦格纳动力总成(江西)有限公司 | Two-gear coaxial electric drive system |
| CN111439118A (en) * | 2020-05-06 | 2020-07-24 | 常州易控汽车电子股份有限公司 | Coaxial two-gear planetary row electric drive axle for automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103692907B (en) | A kind of power system assembly of electronlmobil | |
| CN107327556A (en) | A kind of two grades of planetary gears gearbox drive axle system and method | |
| CN202597607U (en) | Two-step two-gear decelerator | |
| CN201342939Y (en) | Driving axle for counter balanced forklift truck | |
| CN107139717A (en) | Electric car two keeps off transaxle and its driving method | |
| CN105387265A (en) | Planetary gear transmission mechanism capable of achieving mutual noninterference driving | |
| CN203681266U (en) | Power system assembly of electric automobile | |
| CN110296194B (en) | Planetary three-gear shifting device | |
| CN202125574U (en) | Modularized wheel redactor integrated with brake | |
| CN206972857U (en) | A kind of two grades of planetary gears gearboxes driving bridge system | |
| CN102328885A (en) | Two-speed planetary speed reducer device | |
| CN111536214A (en) | Novel gearbox of wheel type excavator | |
| CN103557274A (en) | Combine harvester four-wheel drive shift transfer case | |
| CN205424055U (en) | Planetary gear and use this drive mechanism's ball valve actuating mechanism | |
| CN106523645B (en) | A kind of two speed automatic transmission transmission system of electric vehicle | |
| CN104114913A (en) | Automatic continuously variable inertial transmission | |
| CN211106917U (en) | Double-input electric driving system | |
| CN204921866U (en) | Be applied to electric vehicle's third gear derailleur | |
| CN208295049U (en) | A kind of power transmission gear-box | |
| CN206361116U (en) | A kind of speed automatic transmission transmission system of electric automobile two | |
| CN207190675U (en) | Vehicle drive axle and the engineering truck including the vehicle drive axle | |
| CN206299765U (en) | A kind of anodontia permanent magnetism automatic transmission | |
| CN206268390U (en) | A kind of gearshift of heavy-duty car transfer case | |
| CN206234324U (en) | A kind of clutch, planet gear clutch and punch press | |
| CN204956447U (en) | Automotive electronics mechanical braking system is executor all |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |