CN103481773B - The universal deceleration system of a kind of electric automobile three fork arm planet circular system - Google Patents
The universal deceleration system of a kind of electric automobile three fork arm planet circular system Download PDFInfo
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- CN103481773B CN103481773B CN201310474360.0A CN201310474360A CN103481773B CN 103481773 B CN103481773 B CN 103481773B CN 201310474360 A CN201310474360 A CN 201310474360A CN 103481773 B CN103481773 B CN 103481773B
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- planetary gear
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- fork arm
- electric automobile
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Abstract
The present invention relates to a kind of universal deceleration system, the specifically universal deceleration system of a kind of electric automobile using in electric drive motor vehicles 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. Deceleration system provided by the invention has been omitted differential mechanism, under the prerequisite that does not increase nonspring carried mass, has improved transmission efficiency, and make drive system more concision and compact alleviated tare, reduced energy resource consumption.
Description
Technical field
The present invention relates to a kind of universal deceleration system, specifically the universal deceleration system of a kind of electric automobile using three fork arm planet circular system in electric drive motor vehicles.
Background technology
Along with the continuous exhaustion of petroleum 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 be used clean energy resource, and realize the electric automobile of " zero-emission " and become nowadays the objective of the struggle of many full-sized cars manufacturing company in the world. The drive form of electric automobile is divided into two kinds: one is to concentrate type motor-driven, and one is Electric Motor Wheel drive form. At present most widely used is to concentrate type motor-driven, this drive form needs motor to pass through decelerator, differential mechanism, power transmission shaft, moment of torsion is passed to wheel by the mechanical devices such as universal joint, and the mode of this transmitting torque layer by layer makes drive form complex structure, and transmission efficiency is low, also can cause too much energy waste simultaneously, cause vehicle flying power not strong. Electric Motor Wheel driving refers to motor is directly positioned on driving wheel, although can improve like this transmission efficiency, increases car load usage space, has equally processing technology complexity, 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 kinds of drive, the invention provides the universal deceleration system of a kind of electric automobile three fork arm planet circular system.
Summary of the invention
The object of this invention is to provide a kind of simple, efficient, widely used universal deceleration system 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 electric automobile 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 are all 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 electric automobile self.
Further, described planetary gear train speed reducing mechanism comprises central gear, planetary gear, planet carrier and external toothing, described planetary gear one side engages with described central gear, opposite side engages with described external toothing, described planetary gear is connected with described planet carrier, described motor fixed and arranged relative to described external toothing, ensures that described planet carrier can carry out deceleration transmission.
Further, described central gear is involute spur gear wheel, and described central gear inside has keyway, is connected with described motor by flat key.
Further, described planetary gear is involute spur gear wheel, and described planetary gear inside has manhole.
Further, described planet carrier is circular support, and on described support, is 120 ° around axis and is distributed with three cylindrical portion, and described planetary gear (3) is enclosed within described cylindrical portion, and described cylindrical portion inside is through hole.
Further, described three forks rod universal transmission mechanism comprises transmission slide bar, oscillating bearing, three forks rod power transmission shaft and terminal pad, described transmission slide bar is connected with described three forks rod power transmission shaft by described oscillating bearing, and described three forks rod power transmission shaft is connected with described terminal pad by described transmission slide bar.
Further, described transmission slide bar is made up 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, in cylindrical quarter butt through hole, be fastenedly connected with described oscillating bearing, described transmission slide bar afterbody is cylindrical stock, and described cylindrical stock is connected with described planet carrier, and slide in the through hole of described cylindrical portion on described planet carrier, described oscillating bearing adopts standard component.
Further, described three forks rod power 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 made up 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 power transmission shaft, and described terminal pad is connected with described wheel by described cylindrical power transmission shaft.
When the universal deceleration system work of electric automobile three fork arm planet circular system of the present invention, electric machine rotation transmitting torque are to planetary gear train speed reducing mechanism, planet carrier transmitting torque in planetary gear train speed reducing mechanism is to three forks rod universal transmission mechanism, and then driving wheel, the course of work is roughly as follows: driven by motor central gear rotates, central gear drives planetary gear rotation, because external toothing is relatively fixing, make planetary gear drive planet carrier to rotate, planet carrier rotates and drives three transmission slide bars, and then drive three forks rod power transmission shaft to rotate, three forks rod power transmission shaft is driven terminal pad and then is driven vehicle wheel rotation by three transmission slide bars.
Adopt the obtained beneficial effect of such scheme to be: the mode that 1, adopts planetary gear train speed reducing mechanism to combine with universal joint, make motor realize coaxial deceleration, drive mechanism is tightr, has saved automobile interior space.
2, motor and planetary gear train speed reducing mechanism are fixed on automobile frame, thereby have reduced the nonspring carried mass of automobile, have improved the comfortableness of automobile.
3, omitted differential mechanism, under the prerequisite that does not increase nonspring carried mass, improved transmission efficiency, and make drive system more concision and compact alleviated tare, reduced energy resource consumption.
4, compared with existing electric automobile deceleration system, the remarkable advantage such as the present invention has simple in structure, and transmission efficiency is high, and processing cost is low, applied range.
Brief description of the drawings
Fig. 1: the universal deceleration system perspective view of a kind of electric automobile three fork arm planet circular system of the present invention
Fig. 2: the universal deceleration system explosive view of a kind of electric automobile three fork arm planet circular system of the present invention
Fig. 3: the universal deceleration system planetary gear train speed reducing mechanism of a kind of electric automobile three fork arm planet circular system of the present invention explosive view
In figure: 1-motor, 2-central gear, 3-planetary gear, 4-planet carrier, 5-external toothing, 6-oscillating bearing, 7 three forks rod power transmission shafts, 8-transmission slide bar, 9-terminal pad, 10-wheel.
Detailed description of the invention
Below in conjunction with accompanying drawing, invention is further described.
As shown in Figure 1, 2, 3, the universal deceleration system of a kind of electric automobile three fork arm planet circular system of the present invention, comprises 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 three forks rod universal transmission mechanism, and three forks rod universal transmission mechanism is connected with wheel 10. planetary gear train speed reducing mechanism comprises central gear 2, planetary gear 3, planet carrier 4 and external toothing 5, central gear 2 inside have keyway, be connected with motor 1 by flat key, planetary gear 3 has manhole for inside, be used for being placed in planet carrier 4, and can relatively rotate with planet carrier 4, planet carrier 4 is circular support, and be distributed with three cylindrical portion around axis by 120 ° on support, planetary gear 3 is enclosed within cylindrical portion, ensure that planetary gear 3 and planet carrier 4 can relatively rotate, cylindrical inside is through hole, be used for placing transmission slide bar 8, external toothing 5 fixed placement relative to motor 1. three forks rod universal transmission mechanism comprises transmission slide bar 8, oscillating bearing 6, three forks rod power 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, be connected with planet carrier 4, and can in its hole, slide, three forks rod power 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, transmission slide bar can slide in terminal pad 9 holes, terminal pad 9 afterbodys are cylindrical power transmission shaft, be connected with wheel 10.
When the universal deceleration system work of electric automobile three fork arm planet circular system of the present invention, motor 1 drives central gear 2 to rotate, central gear 2 rotates with planetary gear 3 external toothings, because external toothing 5 is relatively fixing, make planetary gear 3 drive planet carrier 4 to rotate, planet carrier 4 rotates and drives three transmission slide bars 8, and then drives three forks rod power transmission shaft 7 to rotate, and three forks rod power transmission shaft 7 drives terminal pad 9 to rotate by three transmission slide bars 8 and then drives wheel 10 to rotate; The course of work is roughly as follows: central gear 2 and planetary gear 3 engagements are rotated, planet carrier 4 is inputted axis deceleration around motor 1 and is rotated, transmission slide bar 8 is in planet carrier 4 and the interior slip of terminal pad 9, oscillating bearing 6 land portions swing, six of three forks rod power 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, any be familiar with those skilled in the art the present invention disclose technical scope in, 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 (9)
1. the universal deceleration system of electric automobile three fork arm planet circular system, comprising: motor (1), planetary gear train speed reducing mechanism, three fork armsFormula universal transmission mechanism, wheel (10), is characterized in that: described motor (1) is connected with described planetary gear train speed reducing mechanism, described inPlanetary gear train speed reducing mechanism is connected with described three forks rod universal transmission mechanism, described three forks rod universal transmission mechanism and described carWheel (10) connects; Described three forks rod universal transmission mechanism comprises transmission slide bar (8), oscillating bearing (6), three forks rod power transmission shaft (7)And terminal pad (9), described transmission slide bar (8) is connected with described three forks rod power transmission shaft (7) by described oscillating bearing (6), and described threeFork arm formula power transmission shaft (7) is connected with described terminal pad (9) by described transmission slide bar (8); Described motor (1) drives central gear (2) to turnMoving, described central gear (2) rotates with planetary gear (3) external toothing, because external toothing (5) is relatively fixing, makes described planetary gear (3)Drive planet carrier (4) to rotate, described planet carrier (4) rotates and drives three described transmission slide bars (8), and then drives described three forks rod to passMoving axis (7) rotates, described three forks rod power transmission shaft (7) by three described transmission slide bars (8) drive described terminal pad (9) rotation and thenDrive described wheel (10) to rotate.
2. the universal deceleration system of a kind of electric automobile three fork arm planet circular system as claimed in claim 1, is characterized in that: described motor(1) and described planetary gear train speed reducing mechanism be all fixed on electric automobile frame.
3. the universal deceleration system of a kind of electric automobile three fork arm planet circular system as claimed in claim 1 or 2, is characterized in that: described inPlanetary gear train speed reducing mechanism comprises: central gear (2), planetary gear (3), planet carrier (4) and external toothing (5), described planetary gear (3)One side engages with described central gear (2), and opposite side engages with described external toothing (5), described planetary gear (3) and described planet carrier (4)Be connected, described motor (1) and the relative fixed and arranged of described external toothing (5).
4. the universal deceleration system of a kind of electric automobile three fork arm planet circular system as claimed in claim 1, is characterized in that: the described sunGear (2) is involute spur gear wheel, and described central gear (2) inside has keyway, is connected with described motor (1) by flat key.
5. the universal deceleration system of a kind of electric automobile three fork arm planet circular system as claimed in claim 1, is characterized in that: described planetGear (3) is involute spur gear wheel, and described planetary gear (3) inside has manhole.
6. the universal deceleration system of a kind of electric automobile three fork arm planet circular system as claimed in claim 1, is characterized in that: described planetFrame (4) is circular support, and on described support, is 120 ° around axis and is distributed with three cylindrical portion, and described planetary gear (3) is enclosed withinIn described cylindrical portion, described cylindrical portion inside is through hole.
7. the universal deceleration system of a kind of electric automobile three fork arm planet circular system as claimed in claim 1, is characterized in that: described transmissionSlide bar (8) is made up of transmission slide bar head and transmission slide bar afterbody, and described transmission slide bar head is cylindrical quarter butt, described cylindricalQuarter butt inside has through hole, is fastenedly connected with described oscillating bearing (6) in cylindrical quarter butt through hole, and described transmission slide bar (8) afterbody isCylindrical stock, described cylindrical stock is connected with described planet carrier (4), and described cylindrical portion on described planet carrier (4) is logicalIn hole, slide, described oscillating bearing (6) adopts standard component.
8. the universal deceleration system of a kind of electric automobile three fork arm planet circular system as claimed in claim 1, is characterized in that: described tridentRod-type power transmission shaft (7) two ends are 120 ° and are evenly equipped with radially fork arm of three circles, described radially fork arm respectively with described oscillating bearing (6)Connect.
9. the universal deceleration system of a kind of electric automobile three fork arm planet circular system as claimed in claim 1, is characterized in that: described companyConnect dish (9) and be made up of terminal pad head and terminal pad afterbody, described terminal pad head is cylindrical, described terminal pad head surfaceBe 120 ° and be evenly equipped with three manholes, described transmission slide bar (8) slides in the through hole of described terminal pad (9), described terminal padAfterbody is cylindrical power transmission shaft, and described terminal pad (9) is connected with described wheel (10) by described cylindrical power 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 CN103481773A (en) | 2014-01-01 |
| CN103481773B true 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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| CN113400912B (en) * | 2021-07-07 | 2023-10-10 | 方银元 | Traction 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 |
|---|
| 新型等角速万向联轴器的理论分析与计算机仿真;宋德政;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》;20090515(第5期);C029-38 * |
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| CN103481773A (en) | 2014-01-01 |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20191012 |