CN108412972A - The mesoporous planetary reduction gear to strike up partnership with electric motor of automobile and differential mechanism - Google Patents
The mesoporous planetary reduction gear to strike up partnership with electric motor of automobile and differential mechanism Download PDFInfo
- Publication number
- CN108412972A CN108412972A CN201810331988.8A CN201810331988A CN108412972A CN 108412972 A CN108412972 A CN 108412972A CN 201810331988 A CN201810331988 A CN 201810331988A CN 108412972 A CN108412972 A CN 108412972A
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- Prior art keywords
- wheel
- primary
- automobile
- planet
- electric motor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/36—Toothed gearings for conveying rotary motion with gears having orbital motion with two central gears coupled by intermeshing orbital gears
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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
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The mesoporous planetary reduction gear to strike up partnership with electric motor of automobile and differential mechanism, including primary centre wheel, primary planet wheel, primary planet carrier, reducer shell, secondary planet wheel, secondary planet frame, secondary center wheel, rear cover and bearing block.The right end floating connection of the input shaft of primary centre wheel and electric motor of automobile, primary centre wheel are connected with primary planet pinion.Primary planet pinion is connected with primary planet carrier and reducer shell simultaneously.The shell of electric motor of automobile, the right end of reducer shell and rear cover are connected by bolt.Rolling bearing is equipped between bearing block and rear cover.The shell of bearing block and mesoporous planetary reduction gear is connected.The connection of secondary center wheel and primary planet carrier, secondary center wheel and support shaft is floating connection.Secondary planet wheel is connected with secondary center wheel, secondary planet frame and reducer shell simultaneously.The right end of secondary planet frame and and bearing block floating connection.Advantage：Compact-sized, small, manufacturing cost is low and reliable transmission, steady, service life is long.
Description
Technical field
The present invention relates to automobile technical fields, and in particular to a kind of middle hole rows to strike up partnership with electric motor of automobile and differential mechanism
Star retarder.
Background technology
Electric vehicle is a kind of new-energy automobile that country is just carrying out in Devoting Major Efforts To Developing, also there is more and more states in the world
Family is stepping up to research and develop electric vehicle.
Application number 201310239426.8,103277479 B of Authorization Notice No. CN, entitled " two gears of mechanical parking
Pure electric automobile retarder and its electric vehicle " discloses a kind of electric vehicle speed reducer：" it is characterised in that it includes：Input machine
Structure, output mechanism, differential mechanism, halting mechanism, pawl, rotating shaft and drawing cable mechanism, wherein：Input mechanism and vehicle motor phase
Even, output mechanism is connected with input mechanism and differential mechanism respectively；Drawing cable mechanism respectively with vehicle gearshift and halting mechanism phase
Even, pawl is set on rotating shaft, and when braking, the both sides of pawl are in contact with halting mechanism and differential mechanism respectively；The drawing
Rope mechanism includes：Holder, the first rocking arm, the second rocking arm, third rocking arm and the 4th rocking arm --- ---." the problem is that：Structure
Not compact enough, occupied space is big.
Invention content
The main inventive purpose of the present invention, is to provide a kind of compact-sized, and volume reduces, and fabricates at low cost electronic
Automobile mesoporous planetary reduction gear.
Technical solution used in the present invention is：A kind of mesoporous planetary reduction gear to strike up partnership with electric motor of automobile and differential mechanism
Device, including primary centre wheel, primary planet wheel, primary planet carrier, reducer shell, rear cover, bearing block, secondary planet wheel, two
Grade planet carrier, secondary center wheel.Primary centre wheel is by the right end floating connection of spline and the input shaft of electric motor of automobile, in level-one
Heart wheel is connected with primary planet pinion.Primary planet pinion is connected with primary planet carrier and reducer shell simultaneously.Reducing gearbox
The right end and rear cover of body are connected, and rolling bearing is equipped between bearing block and rear cover.The shell of bearing block and mesoporous planetary reduction gear
It is connected.Primary planet carrier and secondary center wheel floating connection.Secondary planet wheel simultaneously and secondary center wheel, secondary planet frame and subtracts
Fast device shell is connected.The right end of secondary planet frame is again and bearing block passes through spline floating connection.
The present invention, the present invention, mesoporous planetary reduction gear are connect with motor on one side, and another side is connect with differential mechanism, three
It strikes up partnership, forms the wheel drive system of vehicle.The protecgulum of motor is exactly the protecgulum of planetary reduction gear, eliminates retarder
Protecgulum and the fastener of the two connection, save axial dimension.In addition many places use floating connection, can absorb lateral or vertical
Xiang Li eliminates foozle, protects associated components and equipment is made to operate steadily, extend service life of equipment.And pass through differential mechanism
Semiaxis can be passed through from the mesoporous of centre wheel, so that differential mechanism is passed through semiaxis direct drive of wheel.Present invention improves over
In conventional truck, the power of engine enters the structure that differential mechanism drives planetary wheel carrier through transmission shaft, but in being passed through by motor
Hole planetary reduction gear directly drives planetary wheel carrier, so that more compact structure, volume is reduced, cost reduction.The present invention is very outstanding
A kind of electric vehicle mesoporous planetary reduction gear.
Preferably, if the right end and rear cover of the shell of electric motor of automobile, reducer shell are fixed together by bolt stem.
The protecgulum of this preferred embodiment, motor is exactly the left cover of planetary reduction gear, eliminate retarder left cover and the two connection it is tight
Firmware saves axial dimension, further improves the compactedness of structure, reduces processing and manufacturing cost and the weight of device.
Preferably, secondary planet wheel is connected with secondary planet frame by two rolling bearings.Primary planet wheel and level-one
Planet carrier is connected by two rolling bearings.This preferred embodiment is conducive to the stability for improving structure driven.
In conclusion the beneficial effects of the invention are as follows：Compact overall structure of the present invention, small, processing and manufacturing is at low cost
And reliable transmission, service life are long, are a kind of very outstanding electric vehicle mesoporous planetary reduction gears.
Description of the drawings
Fig. 1：The structural schematic diagram of the present invention；
In figure：Primary centre wheel 1, primary planet wheel 2, primary planet carrier 3, reducer shell 4, secondary planet wheel 5, secondary planet
Frame 6, secondary center wheel 7, rear cover 8, bearing block 9, mesoporous planetary reduction gear 10, the input shaft 11 of electric motor of automobile, bolt 12.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
As shown in Figure 1, the present invention include primary centre wheel 1, primary planet wheel 2, primary planet carrier 3, reducer shell 4,
Secondary planet wheel 5, secondary planet frame 6, secondary center wheel 7, rear cover 8 and bearing block 9.Primary centre wheel 1 passes through spline and automobile
The right end floating connection of the input shaft 11 of motor, primary centre wheel 1 are connected with primary planet pinion 2.Primary planet pinion 2 is simultaneously
It is connected with primary planet carrier 3 and reducer shell 4.The shell of electric motor of automobile, the right end of reducer shell 4 and rear cover 8 pass through ten
Root bolt 12 is fixed together.Rolling bearing is equipped between bearing block 9 and rear cover 8；Bearing block 9 and mesoporous planetary reduction gear 10
Shell is connected.Secondary center wheel 7 is connected with the floating of primary planet carrier 3.Secondary planet wheel 5 while and secondary center wheel 7, two level row
Carrier 6 and reducer shell 4 are connected.The right end of secondary planet frame 6 is connected with the floating of bearing block 9 again.Primary planet wheel 2 and level-one
Planet carrier 3 is connected by two rolling bearings, and secondary planet wheel 5 is connected with secondary planet frame 6 also through two rolling bearings.
The specific embodiment of the above is only the preferable embodiment of the present invention, and the tool of the present invention is not limited with this
Body implements structure and practical range.In fact, the shape, structure and purpose of design can also make according to the present invention
Equivalent variation.Therefore, some equivalence changes made by all shape, structures and purpose of design in accordance with the present invention ought to
It is included within the scope of protection of the present invention namely these equivalence changes should all be protected by the present invention.
Claims (4)
1. a kind of mesoporous planetary reduction gear to strike up partnership with electric motor of automobile and differential mechanism, it is characterized in that：Including primary centre wheel
（1）, primary planet wheel（2）, primary planet carrier（3）, reducer shell（4）, rear cover（8）, bearing block（9）, secondary planet wheel
（5）, secondary planet frame（6）, secondary center wheel（7）；Primary centre wheel（1）Pass through the input shaft of spline and electric motor of automobile（11）'s
Right end floating connection, primary centre wheel（1）And primary planet pinion（2）It is connected；Primary planet pinion（2）While and primary planet
Frame（3）And reducer shell（4）It is connected；Reducer shell（4）Right end and rear cover（8）It is connected, bearing block（9）And rear cover（8）
Between be equipped with rolling bearing；Bearing block（9）With mesoporous planetary reduction gear（10）Shell be connected；Primary planet carrier（3）And two level
Centre wheel（7）Floating connection；Secondary planet wheel（5）While and secondary center wheel（7）, secondary planet frame（6）And reducer shell
（4）It is connected；Secondary planet frame（6）Right end again and bearing block（9）Pass through spline floating connection.
2. the mesoporous planetary reduction gear according to claim 1 to strike up partnership with electric motor of automobile and differential mechanism, it is characterized in that：
Shell, the reducer shell of electric motor of automobile（4）Right end and rear cover（8）If passing through bolt stem（12）It is fixed together.
3. the mesoporous planetary reduction gear according to claim 1 to strike up partnership with electric motor of automobile and differential mechanism, it is characterized in that：
Secondary planet wheel（5）With secondary planet frame（6）It is connected by two rolling bearings.
4. the mesoporous planetary reduction gear to strike up partnership with electric motor of automobile and differential mechanism according to claim 1-3 any one
Device, it is characterized in that：Primary planet wheel（2）And planet carrier（3）It is connected by two rolling bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810331988.8A CN108412972A (en) | 2018-04-13 | 2018-04-13 | The mesoporous planetary reduction gear to strike up partnership with electric motor of automobile and differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810331988.8A CN108412972A (en) | 2018-04-13 | 2018-04-13 | The mesoporous planetary reduction gear to strike up partnership with electric motor of automobile and differential mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108412972A true CN108412972A (en) | 2018-08-17 |
Family
ID=63135552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810331988.8A Pending CN108412972A (en) | 2018-04-13 | 2018-04-13 | The mesoporous planetary reduction gear to strike up partnership with electric motor of automobile and differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108412972A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594361A (en) * | 2019-08-16 | 2019-12-20 | 湖南中联重科车桥有限公司 | Speed reducing mechanism and axle |
| CN110966370A (en) * | 2019-12-31 | 2020-04-07 | 枣庄北航机床创新研究院有限公司 | Elastic planetary friction transmission device |
| CN112576720A (en) * | 2020-12-10 | 2021-03-30 | 意宁液压股份有限公司 | Speed reducer assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675951A (en) * | 2015-02-11 | 2015-06-03 | 吉林大学 | Electric differential with double-row planetary gear torque directional distribution mechanism |
| US20160178041A1 (en) * | 2016-03-02 | 2016-06-23 | Caterpillar Inc. | Drive assembly for machines |
| CN106627075A (en) * | 2016-11-03 | 2017-05-10 | 中国汽车工程研究院股份有限公司 | Coaxial type electric drive axle suitable for electrombile |
| CN206510753U (en) * | 2016-11-03 | 2017-09-22 | 中国汽车工程研究院股份有限公司 | A kind of coaxial-type electric drive axle of achievable self shifter |
-
2018
- 2018-04-13 CN CN201810331988.8A patent/CN108412972A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675951A (en) * | 2015-02-11 | 2015-06-03 | 吉林大学 | Electric differential with double-row planetary gear torque directional distribution mechanism |
| US20160178041A1 (en) * | 2016-03-02 | 2016-06-23 | Caterpillar Inc. | Drive assembly for machines |
| CN106627075A (en) * | 2016-11-03 | 2017-05-10 | 中国汽车工程研究院股份有限公司 | Coaxial type electric drive axle suitable for electrombile |
| CN206510753U (en) * | 2016-11-03 | 2017-09-22 | 中国汽车工程研究院股份有限公司 | A kind of coaxial-type electric drive axle of achievable self shifter |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594361A (en) * | 2019-08-16 | 2019-12-20 | 湖南中联重科车桥有限公司 | Speed reducing mechanism and axle |
| CN110594361B (en) * | 2019-08-16 | 2020-09-15 | 湖南中联重科车桥有限公司 | Speed reducing mechanism and axle |
| CN110966370A (en) * | 2019-12-31 | 2020-04-07 | 枣庄北航机床创新研究院有限公司 | Elastic planetary friction transmission device |
| CN110966370B (en) * | 2019-12-31 | 2021-03-26 | 枣庄北航机床创新研究院有限公司 | Elastic planetary friction transmission device |
| CN112576720A (en) * | 2020-12-10 | 2021-03-30 | 意宁液压股份有限公司 | Speed reducer assembly |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180817 |
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| RJ01 | Rejection of invention patent application after publication |