CN103481773A - Novel universal deceleration system of tri-fork rod planetary gear train of electric automobile - Google Patents
Novel universal deceleration system of tri-fork rod planetary gear train of electric automobile Download PDFInfo
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- CN103481773A CN103481773A CN201310474360.0A CN201310474360A CN103481773A CN 103481773 A CN103481773 A CN 103481773A CN 201310474360 A CN201310474360 A CN 201310474360A CN 103481773 A CN103481773 A CN 103481773A
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- deceleration system
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The invention relates to a universal deceleration system, in particular to a novel universal deceleration system of a tri-fork rod planetary gear train of an electric automobile. The novel universal deceleration system of the tri-fork rod planetary gear train of the electric automobile comprises a motor, a planetary gear train deceleration mechanism, a tri-fork rod type universal transmission mechanism and wheels, the motor is connected with the planetary gear train deceleration mechanism, the planetary gear train deceleration mechanism is connected with the tri-fork rod type universal transmission mechanism, and the tri-fork rod type universal transmission mechanism is connected with the wheels. According to the novel universal deceleration system of the tri-fork rod planetary gear train of the electric automobile, a differential mechanism is removed, transmission efficiency is improved under the premise of not increasing unsprung mass, a driving system is made to be more simple and compact, automobile body weight is lightened, and energy consumption is reduced.
Description
Technical field
The present invention relates to a kind of universal deceleration system, specifically a kind of novel universal deceleration system of the electronlmobil used three fork arm planet circular system in electric driving machine motor vehicle.
Background technology
Along with the continuous exhaustion of oil resources and improving constantly of people's environmental consciousness, traditional fuel-engined vehicle industrial expansion is subject to more and more stern challenge.Therefore, research and development can use clean energy resource, and the electronlmobil of realizing " zero-emission " become nowadays the objective of the struggle of many full-sized cars manufacturing company in the world.The drive form of electronlmobil is divided into two kinds: a kind of is to concentrate type motor-driven, and a kind of is the electric drive wheel drive form.At present most widely used is to concentrate type motor-driven, this drive form needs motor to pass through retarder, diff, transmission shaft, the mechanicals device such as universal-joint pass to wheel by moment of torsion, and the mode of this transmitting torque layer by layer makes the drive form complex structure, and driving efficiency is low, also can cause too much energy dissipation simultaneously, cause the vehicle flying power not strong.The electric drive wheel driving refers to motor directly is positioned on drive wheel, although can improve driving efficiency like this, increases the car load usage space, and the processing technology complexity is arranged equally, and nonspring carried mass is excessive, the not high distinct disadvantage of automobile comfort level.
In order to overcome the shortcoming of these two kinds of type of drive, the invention provides the universal deceleration system of a kind of novel electronlmobil three fork arm planet circular system.
Summary of the invention
The purpose of this invention is to provide the universal deceleration system of a kind of simple, efficient, widely used used for electric vehicle.
For achieving the above object, the technical solution used in the present invention is as follows: the universal deceleration system of a kind of novel electronlmobil three fork arm planet circular system, comprise: motor, planetary gear train speed reducing mechanism, three forks rod universal transmission mechanism, wheel, described motor is connected with described planetary gear train speed reducing mechanism, described planetary gear train speed reducing mechanism is connected with described three forks rod universal transmission mechanism, and described three forks rod universal transmission mechanism is connected with described wheel.
Further, described motor and described planetary gear train speed reducing mechanism all are fixed on electric automobile frame, and this mounting means has been inherited the advantage of concentrated type motor-driven, can not increase the nonspring carried mass of electronlmobil self.
Further, described planetary gear train speed reducing mechanism comprises sun gear, planetary wheel, pinion carrier and external toothing, described planetary wheel one side and the engagement of described sun gear, opposite side and the engagement of described external toothing, described planetary wheel is connected with described pinion carrier, described motor fixed and arranged relative to described external toothing, guarantee that described pinion carrier can carry out deceleration transmission.
Further, described sun gear is the involute spur gear wheel, and described sun gear inside has keyway, by flat key, with described motor, is connected.
Further, described planetary wheel is the involute spur gear wheel, and described planetary wheel inside has manhole.
Further, described pinion carrier is circular support, and is 120 ° around axis on described support and is distributed with three columnar portion, described planetary wheel suit and described columnar portion outside, and described columnar portion inside is through hole.
Further, described three forks rod universal transmission mechanism comprises transmission slide bar, oscillating bearing, three forks rod transmission shaft and terminal pad, described transmission slide bar is connected with described three forks rod transmission shaft by described oscillating bearing, and described three forks rod transmission shaft connects and is connected with described terminal pad by described transmission slide bar.
Further, described transmission slide bar is comprised of transmission slide bar head and transmission slide bar afterbody, described transmission slide bar head is cylindrical quarter butt, described cylindrical quarter butt inside has through hole, be fastenedly connected with described oscillating bearing in cylindrical quarter butt through hole, described transmission slide bar afterbody is cylindrical stock, and described cylindrical stock is connected with described pinion carrier, and slide in the through hole of the described columnar portion on described pinion carrier, described oscillating bearing adopts gauge member.
Further, described three forks rod transmission shaft two ends are 120 ° and are evenly equipped with radially fork arm of three circles, and described radially fork arm is connected with described oscillating bearing respectively.
Further, described terminal pad is comprised of terminal pad head and terminal pad afterbody, described terminal pad head is cylindrical, described terminal pad head surface is 120 ° and is evenly equipped with three manholes, described transmission slide bar slides in described terminal pad through hole, described terminal pad afterbody is cylindrical transmission shaft, and described terminal pad is connected with described wheel by described cylindrical transmission shaft.
During the universal deceleration system work of electronlmobil three fork arm planet circular system of the present invention, electric machine rotation transmitting torque are to planetary gear train speed reducing mechanism, pinion carrier transmitting torque in planetary gear train speed reducing mechanism is to the three forks rod universal transmission mechanism, and then driving wheel, working process is roughly as follows: the driven by motor sun gear rotates, sun gear drives planetary gear rotation, because external toothing is relatively fixing, making planetary wheel drive pinion carrier rotates, pinion carrier is rotated and is driven three transmission slide bars, and then drive three forks rod transmission shaft rotates, the three forks rod transmission shaft drives terminal pad and then drives vehicle wheel rotation by three transmission slide bars.
Adopt the obtained beneficial effect of such scheme to be:
1, the mode that adopts planetary gear train speed reducing mechanism to combine with universal-joint, make motor realize coaxial the deceleration, and drive mechanism is tightr, has saved the automobile interior space.
2, motor and planetary gear train speed reducing mechanism are fixed on automobile chassis frame, thereby have reduced the nonspring carried mass of automobile, have improved the traveling comfort of automobile.
3, omitted diff, under the prerequisite that does not increase nonspring carried mass, improved driving efficiency, and make drive system more concision and compact alleviated tare, reduced energy resource consumption.
4, with existing electronlmobil deceleration system, compare, the present invention has simple in structure, and driving efficiency is high, and tooling cost is low, the remarkable advantages such as applied range.
The accompanying drawing explanation
Fig. 1: the universal deceleration system perspective view of electronlmobil three fork arm planet circular system of the present invention
Fig. 2: the universal deceleration system exploded view of electronlmobil three fork arm planet circular system of the present invention
Fig. 3: the universal deceleration system planetary gear train speed reducing mechanism of electronlmobil three fork arm planet circular system of the present invention exploded view
In figure: 1-motor, 2-sun gear, 3-planetary wheel, 4-pinion carrier, 5-external toothing, 6-oscillating bearing, 7-three forks rod transmission shaft, 8-transmission slide bar, 9-terminal pad, 10-wheel.
Specific embodiment
?below in conjunction with accompanying drawing, invention is further described.
As Figure 1-3, the universal deceleration system of electronlmobil three fork arm planet circular system of the present invention, comprise motor 1, planetary gear train speed reducing mechanism, three forks rod universal transmission mechanism and wheel 10.Motor 1 is connected with planetary gear train speed reducing mechanism, and planetary gear train speed reducing mechanism is connected with the three forks rod universal transmission mechanism, and the three forks rod universal transmission mechanism is connected with wheel 10.Planetary gear train speed reducing mechanism comprises sun gear 2, planetary wheel 3, pinion carrier 4 and external toothing 5, sun gear 2 inside have keyway, by flat key, with motor 1, be connected, planetary wheel 3 has manhole for inside, for being placed in pinion carrier 4, and can relatively rotate with pinion carrier 4, pinion carrier 4 is circular support, and be distributed with three cylinders around axis by 120 ° on support, the cylinder outer cover has planetary wheel 3, guarantee that planetary wheel 3 and pinion carrier 4 can relatively rotate, cylindrical inside is through hole, for placing transmission slide bar 8, external toothing 5 fixed placement relative to motor 1.The three forks rod universal transmission mechanism comprises transmission slide bar 8, oscillating bearing 6, three forks rod transmission shaft 7 and terminal pad 9, transmission slide bar 8 heads are cylindrical quarter butt, inside has through hole, be fastenedly connected with oscillating bearing 6, transmission slide bar 8 afterbodys are cylindrical stock, with pinion carrier 4, be connected, and can in its hole, slide, three forks rod transmission shaft 7 two ends are 120 ° and are evenly equipped with radially fork arm of three circles, radially fork arm is connected with oscillating bearing 6 respectively, terminal pad 9 heads are cylindrical, surface becomes 120 ° and is evenly equipped with three manholes, for connection for transmission slide bar 8, the transmission slide bar can slide in terminal pad 9 holes, terminal pad 9 afterbodys are cylindrical transmission shaft, with wheel 10, be connected.
During the universal deceleration system work of electronlmobil three fork arm planet circular system of the present invention, motor 1 drives sun gear 2 and rotates, sun gear 2 rotates with planetary wheel 3 external toothings, because external toothing 5 is relatively fixing, making planetary wheel 3 drive pinion carrier 4 rotates, pinion carrier 4 is rotated and is driven three transmission slide bars 8, and then drive three forks rod transmission shaft 7 rotates, three forks rod transmission shaft 7 drives terminal pad 9 by three transmission slide bars 8 and then drives wheel 10 to rotate, working process is roughly as follows: sun gear 2 and planetary wheel 3 engagements are rotated, pinion carrier 4 is slowed down and is rotated around motor 1 input axis, transmission slide bar 8 is in pinion carrier 4 and the interior slip of terminal pad 9, oscillating bearing 6 land portions swing, six of three forks rod transmission shaft 7 radially fork arm all in oscillating bearing 6, do small slip.
Protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses, and the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claim was defined.
Claims (10)
1. the universal deceleration system of novel electronlmobil three fork arm planet circular system, it is characterized in that: comprising: motor, planetary gear train speed reducing mechanism, three forks rod universal transmission mechanism, wheel, described motor is connected with described planetary gear train speed reducing mechanism, described planetary gear train speed reducing mechanism is connected with described three forks rod universal transmission mechanism, and described three forks rod universal transmission mechanism is connected with described wheel.
2. deceleration system as claimed in claim 1, it is characterized in that: described motor and described planetary gear train speed reducing mechanism all are fixed on electric automobile frame.
3. deceleration system as claimed in claim 2, it is characterized in that: described planetary gear train speed reducing mechanism comprises sun gear, planetary wheel, pinion carrier and external toothing, described planetary wheel one side and the engagement of described sun gear, opposite side and the engagement of described external toothing, described planetary wheel is connected with described pinion carrier, described motor fixed and arranged relative to described external toothing.
4. deceleration system as claimed in claim 3, it is characterized in that: described sun gear is the involute spur gear wheel, and described sun gear inside has keyway, by flat key, with described motor, is connected.
5. deceleration system as claimed in claim 3, it is characterized in that: described planetary wheel is the involute spur gear wheel, and described planetary wheel inside has manhole.
6. deceleration system as claimed in claim 1, it is characterized in that: described pinion carrier is circular support, and be 120 ° around axis on described support and be distributed with three columnar portion, described planetary wheel suit and described columnar portion outside, described columnar portion inside is through hole.
7. deceleration system as claimed in claim 6, it is characterized in that: described three forks rod universal transmission mechanism comprises transmission slide bar, oscillating bearing, three forks rod transmission shaft and terminal pad, described transmission slide bar is connected with described three forks rod transmission shaft by described oscillating bearing, and described three forks rod transmission shaft connects and is connected with described terminal pad by described transmission slide bar.
8. deceleration system as claimed in claim 6, it is characterized in that: described transmission slide bar is comprised of transmission slide bar head and transmission slide bar afterbody, described transmission slide bar head is cylindrical quarter butt, described cylindrical quarter butt inside has through hole, be fastenedly connected with described oscillating bearing in cylindrical quarter butt through hole, described transmission slide bar afterbody is cylindrical stock, described cylindrical stock is connected with described pinion carrier, and slide in the through hole of the described columnar portion on described pinion carrier, described oscillating bearing adopts gauge member.
9. deceleration system as claimed in claim 6, it is characterized in that: described three forks rod transmission shaft two ends are 120 ° and are evenly equipped with radially fork arm of three circles, and described radially fork arm is connected with described oscillating bearing respectively.
10. as the described deceleration system of claim 7-9 any one, it is characterized in that: described terminal pad is comprised of terminal pad head and terminal pad afterbody, described terminal pad head is cylindrical, described terminal pad head surface is 120 ° and is evenly equipped with three manholes, described transmission slide bar slides in described terminal pad through hole, described terminal pad afterbody is cylindrical transmission shaft, and described terminal pad is connected with described wheel by described cylindrical transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474360.0A CN103481773B (en) | 2013-10-12 | 2013-10-12 | The universal deceleration system of a kind of electric automobile three fork arm planet circular system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474360.0A CN103481773B (en) | 2013-10-12 | 2013-10-12 | The universal deceleration system of a kind of electric automobile three fork arm planet circular system |
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| Publication Number | Publication Date |
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| CN103481773A true CN103481773A (en) | 2014-01-01 |
| CN103481773B CN103481773B (en) | 2016-05-11 |
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| CN201310474360.0A Expired - Fee Related CN103481773B (en) | 2013-10-12 | 2013-10-12 | The universal deceleration system of a kind of electric automobile three fork arm planet circular system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400912A (en) * | 2021-07-07 | 2021-09-17 | 方银元 | Trailing wheel type motor unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201189822Y (en) * | 2008-02-22 | 2009-02-04 | 同济大学 | Wheel-side reducer of drive axle for electric automobile |
| EP2368742A2 (en) * | 2010-03-19 | 2011-09-28 | MAN Truck & Bus AG | Drive assembly for motor vehicles, in particular for commercial vehicles |
| CN103204059A (en) * | 2012-01-16 | 2013-07-17 | 同济大学 | Wheel-rim electric driving system of electric car |
| CN203198734U (en) * | 2013-01-23 | 2013-09-18 | 张林通 | Direct drive structure for electric vehicles |
| CN203472534U (en) * | 2013-10-12 | 2014-03-12 | 青岛科技大学 | Novel fork rod planetary gear train universal deceleration system for electric car |
-
2013
- 2013-10-12 CN CN201310474360.0A patent/CN103481773B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201189822Y (en) * | 2008-02-22 | 2009-02-04 | 同济大学 | Wheel-side reducer of drive axle for electric automobile |
| EP2368742A2 (en) * | 2010-03-19 | 2011-09-28 | MAN Truck & Bus AG | Drive assembly for motor vehicles, in particular for commercial vehicles |
| CN103204059A (en) * | 2012-01-16 | 2013-07-17 | 同济大学 | Wheel-rim electric driving system of electric car |
| CN203198734U (en) * | 2013-01-23 | 2013-09-18 | 张林通 | Direct drive structure for electric vehicles |
| CN203472534U (en) * | 2013-10-12 | 2014-03-12 | 青岛科技大学 | Novel fork rod planetary gear train universal deceleration system for electric car |
Non-Patent Citations (1)
| Title |
|---|
| 宋德政: "新型等角速万向联轴器的理论分析与计算机仿真", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》, no. 5, 15 May 2009 (2009-05-15), pages 029 - 38 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400912A (en) * | 2021-07-07 | 2021-09-17 | 方银元 | Trailing wheel type motor unit |
| CN113400912B (en) * | 2021-07-07 | 2023-10-10 | 方银元 | Traction wheel type motor unit |
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| CN103481773B (en) | 2016-05-11 |
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Effective date of registration: 20190710 Address after: 266000 Chaohaixi Community 228, Hetao Street, Hongdao Economic Zone, Qingdao City, Shandong Province Patentee after: Qingdao Runxuda Trading Co., Ltd. Address before: 266061 Songling Road, Laoshan District, Qingdao, Shandong Province, No. 99 Patentee before: Qingdao University of Science & Technology |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20160511 Termination date: 20191012 |