CN107191564A - Suitable for the two speed transmission of electric car - Google Patents
Suitable for the two speed transmission of electric car Download PDFInfo
- Publication number
- CN107191564A CN107191564A CN201710360742.9A CN201710360742A CN107191564A CN 107191564 A CN107191564 A CN 107191564A CN 201710360742 A CN201710360742 A CN 201710360742A CN 107191564 A CN107191564 A CN 107191564A
- Authority
- CN
- China
- Prior art keywords
- gear
- decelerator
- brake
- primary planet
- ring
- 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
- 230000005540 biological transmission Effects 0.000 title claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/037—Gearboxes for accommodating differential gearings
-
- 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
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of two speed transmission suitable for electric car, including housing, it is arranged on the freewheel clutch in housing, brake, primary planet decelerator, the differential mechanism that main reducing gear is connected with main reducing gear, primary planet decelerator includes ring gear, it is arranged on the sun gear at ring gear center, it is arranged on planetary gear and planet carrier between sun gear and ring gear, main reducing gear includes driving wheel and driven pulley, driven pulley is connected with the planet carrier of primary planet decelerator, freewheel clutch includes interior star-wheel and outer ring, the interior star-wheel of freewheel clutch is connected between the sun gear of motor output shaft and primary planet decelerator, and the outer ring of freewheel clutch is connected with the planet carrier of primary planet decelerator, brake is connected with the ring gear of primary planet decelerator.Rationally, it can realize two-stage speed governing to the structure setting of the present invention, and structure is compacter, can effectively ensure stability in use and reliability, strong applicability and practicality is good.
Description
Technical field
The invention belongs to technical field of new energy, and in particular to a kind of two speed transmission suitable for electric car.
Background technology
Currently, the drive system of electric car is mainly made up of motor one decelerator of series connection, and decelerator increases for reduction of speed
Away to export bigger power.Although decelerator can provide high pulling torque, speed is than single, in the high-speed cruising stage of electric car,
Motor need to provide higher speed to meet the performance requirement of automobile；From the characteristic of motor in itself, motor is in critical speed
The following is the work of permanent moment of torsion, in critical speed above is constant power output, therefore motor is at high speed, and output torque can be beaten greatly
Discount, influences the driving experience of automobile, while loss of the high-revolving operating to decelerator parts itself is very big, easily loses
Effect.
The content of the invention
It is an object of the invention to provide two grades suitable for electric car that a kind of structure setting is reasonable and stability in use is good
Speed changer.
The technical scheme for realizing the object of the invention is a kind of two speed transmission suitable for electric car, including housing, is set
Freewheel clutch, brake, primary planet decelerator, main reducing gear in the housing are connected with the main reducing gear
Differential mechanism, the primary planet decelerator include ring gear, be arranged on the sun gear at the ring gear center, be arranged on it is described too
Planetary gear and planet carrier between sun wheel and the ring gear, the planet carrier are separately set with the planetary gear, the master
Decelerator includes driving wheel and driven pulley, and the driven pulley is connected with the planet carrier of the primary planet decelerator, the master
Driving wheel is arranged on the center of the driving wheel, the overdrive clutch with the mutually ratcheting setting of the driven pulley, the differential mechanism
Device includes interior star-wheel and outer ring, and the interior star-wheel of the freewheel clutch is connected to motor output shaft and primary planet decelerator too
Between sun wheel, and the outer ring of freewheel clutch is connected with the planet carrier of the primary planet decelerator, the brake and institute
The ring gear for stating primary planet decelerator is connected.
Protective cover is provided with the outside of the driving wheel, protective cover, the protective cover and institute are provided with the differential mechanism
State and be fixed with reinforcement bearing rib between protective cover.
The brake includes being connected in flywheel with the ring gear of the primary planet decelerator, in the outer of the flywheel
Anchor ring is provided with multilayer friction plate, multilayer brake(-holder) block is additionally provided with, multilayer friction plate is arranged at intervals successively with brake(-holder) block, in the system
Buffer spring is fixed between moving plate, braking motor is additionally provided with, the braking motor is fixedly connected with outermost brake(-holder) block.
The planet carrier faces the ring side of sun gear for the central angle of fan-shaped setting and sector.
The present invention has positive effect：Rationally, it can realize two-stage speed governing to the structure setting of the present invention, while it is shifted gears
More smooth, structure is compacter, not only install convenient and can effectively ensure stability in use and reliability, strong applicability and
Practicality is good.
Brief description of the drawings
In order that present disclosure is more likely to be clearly understood, it is right below according to specific embodiment and with reference to accompanying drawing
The present invention is described in further detail, wherein：
Fig. 1 is structural representation of the invention.
Embodiment
(embodiment 1)
Fig. 1 shows a kind of embodiment of the present invention, and wherein Fig. 1 is structural representation of the invention.
See Fig. 1, a kind of two speed transmission suitable for electric car, including housing 1, it is arranged on surmounting in the housing 1
The differential mechanism 6 that clutch 2, brake 3, primary planet decelerator 4, main reducing gear 5 are connected with the main reducing gear 5, it is described
Primary planet decelerator 4 includes ring gear 41, is arranged on the sun gear 42 at the center of ring gear 41, is arranged on the sun gear
Planetary gear 43 and planet carrier 44 between 42 and the ring gear 41, the planet carrier 44 are separately set with the planetary gear 43
Put, the main reducing gear 5 includes driving wheel 51 and driven pulley 52, the row of the driven pulley 52 and the primary planet decelerator 4
Carrier 44 is connected, and the driving wheel 51 is arranged on the driving wheel with the mutually ratcheting setting of the driven pulley 52, the differential mechanism 6
51 center, the freewheel clutch 2 includes interior star-wheel 21 and outer ring 22, and the interior star-wheel 21 of the freewheel clutch 2 connects
It is connected between motor output shaft and the sun gear 42 of primary planet decelerator 4, and outer ring 22 and the one-level of freewheel clutch 2
The planet carrier 44 of planetary reduction gear 4 is connected, and the brake is connected with the ring gear of the primary planet decelerator.
Protective cover 7 is provided with the outside of the driving wheel 51, protective cover 8, the protective cover are provided with the differential mechanism
Reinforcement bearing rib 9 is fixed between the protective cover.
The brake 3 includes being connected in flywheel 31 with the ring gear 41 of the primary planet decelerator 4, flies described
The outer ring surface of wheel 31 is provided with multilayer friction plate 32, is additionally provided with multilayer brake(-holder) block 33, multilayer friction plate is spaced successively with brake(-holder) block
Set, buffer spring 34 be fixed between the brake(-holder) block, be additionally provided with braking motor 35, the braking motor with it is outermost
Brake(-holder) block is fixedly connected.In the present embodiment, also there is back-moving spring between adjacent friction plate, pass through buffer spring and back-moving spring
Brake(-holder) block is set to be separated in motion with friction plate.
The planet carrier faces the ring side of sun gear for the central angle of fan-shaped setting and sector.
Rationally, it can realize two-stage speed governing to the structure setting of the present invention, while its gearshift is more smooth, structure is more stepped up
Gather, not only install convenient and can effectively ensure stability in use and reliability, strong applicability and practicality is good.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And these
The obvious changes or variations that the connotation for belonging to of the invention is extended out still falls within protection scope of the present invention.
Claims (4)
1. a kind of two speed transmission suitable for electric car, including housing, the freewheel clutch being arranged in the housing, braking
The differential mechanism that device, primary planet decelerator, main reducing gear are connected with the main reducing gear, it is characterised in that：The one-level row
Star decelerator includes ring gear, is arranged on the sun gear at the ring gear center, is arranged on the sun gear and the ring gear
Between planetary gear and planet carrier, the planet carrier separately sets with the planetary gear, and the main reducing gear includes driving wheel
And driven pulley, the driven pulley is connected with the planet carrier of the primary planet decelerator, the driving wheel and the driven pulley
Mutually ratcheting to set, the differential mechanism is arranged on the center of the driving wheel, and the freewheel clutch includes interior star-wheel and outer
Circle, the interior star-wheel of the freewheel clutch is connected between the sun gear of motor output shaft and primary planet decelerator, and is surmounted
The outer ring of clutch is connected with the planet carrier of the primary planet decelerator, the brake and the primary planet decelerator
Ring gear be connected.
2. the two speed transmission according to claim 1 suitable for electric car, it is characterised in that：In the outer of the driving wheel
Side is provided with protective cover, and protective cover is provided with the differential mechanism, and reinforcement branch is fixed between the protective cover and the protective cover
Support gusset.
3. the two speed transmission according to claim 2 suitable for electric car, it is characterised in that：The brake include with
The ring gear of the primary planet decelerator is connected in flywheel, multilayer friction plate is provided with the outer ring surface of the flywheel, also
Provided with multilayer brake(-holder) block, multilayer friction plate is arranged at intervals successively with brake(-holder) block, and buffer spring is fixed between the brake(-holder) block,
Braking motor is additionally provided with, the braking motor is fixedly connected with outermost brake(-holder) block.
4. the two speed transmission according to claim 3 suitable for electric car, it is characterised in that：The planet carrier is sector
The central angle of setting and sector faces the ring side of sun gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710360742.9A CN107191564A (en) | 2017-05-19 | 2017-05-19 | Suitable for the two speed transmission of electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710360742.9A CN107191564A (en) | 2017-05-19 | 2017-05-19 | Suitable for the two speed transmission of electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107191564A true CN107191564A (en) | 2017-09-22 |
Family
ID=59874731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710360742.9A Pending CN107191564A (en) | 2017-05-19 | 2017-05-19 | Suitable for the two speed transmission of electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107191564A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916328A (en) * | 2017-12-15 | 2018-11-30 | 杭州富阳新远新能源有限公司 | A kind of two speed transmission |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0162352A1 (en) * | 1984-05-14 | 1985-11-27 | Ford-Werke Aktiengesellschaft | Hydraulic control valve system for an automatic multispeed hydrokinetic-mechanical automotive transmission |
| RU2236079C2 (en) * | 1999-07-02 | 2004-09-10 | Самарский государственный технический университет | Method and device for controlling starter-generator system with planet reduction unit |
| CN101021258A (en) * | 2007-03-27 | 2007-08-22 | 邹政耀 | Planetary gear type stepless variable speed drive system |
| US20080153649A1 (en) * | 2005-01-18 | 2008-06-26 | Magna Powertrain Usa, Inc. | Axle Assembly With Torque Vectoring Drive Mechanism |
| US20090176611A1 (en) * | 2006-08-11 | 2009-07-09 | Gary Avery | Auxiliary Unit Drive for a motor vehicle |
| CN202149190U (en) * | 2011-07-22 | 2012-02-22 | 田宝林 | Gear type multistage automatic gear box |
| CN102628400A (en) * | 2011-02-01 | 2012-08-08 | 奥迪股份公司 | Assembly with a planetary gear for motor vehicle, motor vehicle and method for operating a planetary gear |
| CN103633775A (en) * | 2013-11-29 | 2014-03-12 | 华南理工大学 | Electric vehicle driving motor internally provided with differential and reducer assembly |
| CN204592176U (en) * | 2015-04-29 | 2015-08-26 | 南宁学院 | A kind of electric vehicle centrifugal formula third gear automatic speed-changing system |
| CN206943360U (en) * | 2017-05-19 | 2018-01-30 | 重庆凯瑞电动汽车系统有限公司 | Suitable for two shift transmissions of electric car |
-
2017
- 2017-05-19 CN CN201710360742.9A patent/CN107191564A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0162352A1 (en) * | 1984-05-14 | 1985-11-27 | Ford-Werke Aktiengesellschaft | Hydraulic control valve system for an automatic multispeed hydrokinetic-mechanical automotive transmission |
| RU2236079C2 (en) * | 1999-07-02 | 2004-09-10 | Самарский государственный технический университет | Method and device for controlling starter-generator system with planet reduction unit |
| US20080153649A1 (en) * | 2005-01-18 | 2008-06-26 | Magna Powertrain Usa, Inc. | Axle Assembly With Torque Vectoring Drive Mechanism |
| US20090176611A1 (en) * | 2006-08-11 | 2009-07-09 | Gary Avery | Auxiliary Unit Drive for a motor vehicle |
| CN101021258A (en) * | 2007-03-27 | 2007-08-22 | 邹政耀 | Planetary gear type stepless variable speed drive system |
| CN102628400A (en) * | 2011-02-01 | 2012-08-08 | 奥迪股份公司 | Assembly with a planetary gear for motor vehicle, motor vehicle and method for operating a planetary gear |
| CN202149190U (en) * | 2011-07-22 | 2012-02-22 | 田宝林 | Gear type multistage automatic gear box |
| CN103633775A (en) * | 2013-11-29 | 2014-03-12 | 华南理工大学 | Electric vehicle driving motor internally provided with differential and reducer assembly |
| CN204592176U (en) * | 2015-04-29 | 2015-08-26 | 南宁学院 | A kind of electric vehicle centrifugal formula third gear automatic speed-changing system |
| CN206943360U (en) * | 2017-05-19 | 2018-01-30 | 重庆凯瑞电动汽车系统有限公司 | Suitable for two shift transmissions of electric car |
Non-Patent Citations (1)
| Title |
|---|
| 王伟华等: "一种新型汽车馈能减振器的结构设计与特性分析", 《汽车技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916328A (en) * | 2017-12-15 | 2018-11-30 | 杭州富阳新远新能源有限公司 | A kind of two speed transmission |
| CN108999938A (en) * | 2017-12-15 | 2018-12-14 | 杭州富阳新远新能源有限公司 | A kind of centrifugal-block speed changer |
| CN109099116A (en) * | 2017-12-15 | 2018-12-28 | 杭州富阳新远新能源有限公司 | A kind of speed changer |
| CN108916328B (en) * | 2017-12-15 | 2021-02-12 | 杭州富阳新远新能源有限公司 | Two-gear transmission |
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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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170922 |