CN102642595B - Two-gear speed-changing driving device of electric vehicle - Google Patents
Two-gear speed-changing driving device of electric vehicle Download PDFInfo
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- CN102642595B CN102642595B CN 201210145492 CN201210145492A CN102642595B CN 102642595 B CN102642595 B CN 102642595B CN 201210145492 CN201210145492 CN 201210145492 CN 201210145492 A CN201210145492 A CN 201210145492A CN 102642595 B CN102642595 B CN 102642595B
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Abstract
The invention discloses a two-gear speed-changing driving device of an electric vehicle, comprising a motor (17), a power transmission mechanism and a differential mechanism (12), and further comprising a friction clutch, wherein the motor (17) is respectively connected with the friction clutch and the differential mechanism (12) through the power transmission mechanism; and the power transmission mechanism is provided with an isolator (10). The two-gear speed-changing driving device of the electric vehicle has the advantages of ingenious structure design and convenience for manufacturing and installation; with the adoption of a two-gear speed-changing system formed by the friction clutch and the power transmission mechanism, gear shifting is flexible and reliable, the power conversion is table, no impacts or pauses exist, the reliability is high and the safety performance is improved; and meanwhile, the requirements of climbing and driving with a load are met.
Description
Technical field
The present invention relates to a kind of driving device for electric vehicle, particularly two grades of speed-changing driving devices of a kind of battery-driven car.
Background technology
At present, the electrical motor that electro-tricycle adopts is mainly the electric system that the differential of a speed ratio is only arranged, and owing to only having a speed ratio, often can not satisfy simultaneously the needs that level road is run at high speed and load is climbed; In order to address this problem, many manufacturers adopt dental clutch to carry out the transforming gear system, but, because the variation of two grades of speed ratios is larger, when carrying out transforming gear, must reduces the speed of a motor vehicle or interrupt power and just can carry out shift, not only unreliable but also inconvenient, and, due to the unexpected variation of speed, can occur preshoot or after the human discomfort of frustrating; Simultaneously, during due to powershift, be the rigid cooperation of adopting gear, make the gear in switchover apparatus produce shock mutually, knock, not only against the general knowledge of machine design, and, when serious, the mutual shock of gear can with gear failure, produce potential safety hazard.
Summary of the invention
Purpose of the present invention just is to provide a kind of two grades of speed-changing driving devices of battery-driven car that can carry out steady shift.
The objective of the invention is to realize by such technical scheme, two grades of speed-changing driving devices of a kind of battery-driven car, comprise electrical motor, Power train and diff, it also comprises friction clutch, described electrical motor is connected with diff with friction clutch respectively by Power train, the described isolator that is provided with on Power train.
wherein, above-mentioned Power train comprises the imput shaft that is arranged in parallel, driven shaft and bridge shaft, described both ends of main drive shaft is connected with friction clutch with electrical motor respectively, described second gear driving gear and one grade of driving gear that is disposed with on imput shaft with axle sleeve, the described second gear driven gear that is provided with the gap bridge driving gear and meshes with the second gear driving gear on driven shaft, the described first speed driven gear that meshes with one grade of driving gear that is provided with between second gear driven gear and gap bridge driving gear, described first speed driven gear is connected with driven shaft by the isolator that is arranged in first speed driven gear, described gap bridge driven gear and the output driving gear that meshes with pass a bridge driving gear and diff that be provided with on bridge shaft.
Above-mentioned friction clutch comprises clutch cap and overcoat, institute is shown in and is provided with driving disc spacing pressing in clutch cap, be provided with first, second, third, fourth friction lining between clutch cap and overcoat, described the second, the 4th friction lining is connected with clutch cap, the first, the 3rd friction lining is connected with overcoat, describedly be provided with spring between clutch cap and driving disc spacing pressing, be provided with bearing on clutch cap, described bearing is connected with external steering unit.
In the present invention, steering unit is such structure: described steering unit comprises control arm, tappet, face cam and reduction torsion spring, and an end of described tappet is connected with control arm, and the other end contacts with face cam, and reduction torsion spring is arranged on this end.
Owing to having adopted technique scheme, the present invention has advantages of that structure design is ingenious, it is easy for installation to make, two grades of speed change systems that friction clutch and Power train form, make the shift flexibility and reliability, powershift is steady, without impacting or pausing, reliability is high, improve safety performance, simultaneously, also satisfied the load climbing requirement of travelling.
Description of drawings
Description of drawings of the present invention is as follows:
Fig. 1 is structural representation of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail, but the present invention is not limited to these embodiments, any on the present embodiment essence spirit improvement or substitute, still belong to claim of the present invention scope required for protection.
Embodiment 1: as shown in Figure 1, two grades of speed-changing driving devices of a kind of battery-driven car, comprise electrical motor 17, Power train and diff 12, it also comprises friction clutch, described electrical motor 17 is connected with diff with friction clutch respectively by Power train and is connected, the described isolator 10 that is provided with on Power train.
in the present invention, Power train comprises the imput shaft 18 that is arranged in parallel, driven shaft 8 and bridge shaft 14, described imput shaft 18 two ends are connected with friction clutch with electrical motor 17 respectively, described second gear driving gear 21 and one grade of driving gear 19 that is disposed with on imput shaft 18 with axle sleeve, the described second gear driven gear 9 that is provided with gap bridge driving gear 16 and meshes with second gear driving gear 21 on driven shaft 8, described being provided with between second gear driven gear 9 and gap bridge driving gear 16 meshed 19 first speed driven gear 11 with one grade of driving gear, described first speed driven gear 11 is connected with driven shaft 8 by the isolator 10 that is arranged in first speed driven gear 11, described gap bridge driven gear 13 and the output driving gear 15 that meshes with pass a bridge driving gear 16 and diff 12 that be provided with on bridge shaft 14.
the structure of friction clutch is such: friction clutch comprises clutch cap 7 and overcoat 22, be provided with driving disc spacing pressing 27 in institute's clutch cap that is shown in 7, be provided with first between clutch cap 7 and overcoat 22, second, the 3rd, the 4th friction lining 23, 24, 25, 26, described second, the 4th friction lining 24, 26 are connected with clutch cap 7, first, the 3rd friction lining 23, 25 are connected with overcoat 22, describedly be provided with spring 28 between clutch cap 7 and driving disc spacing pressing 27, be provided with bearing 6 on clutch cap 7, described bearing 6 is connected with steering unit by reduction torsion spring 5.
The effect of spring 28 is to provide elastic force makes four friction linings produce friction force.
Above-mentioned steering unit comprises control arm 1, tappet 3, face cam 4 and reduction torsion spring 5, and an end of described tappet 3 is connected with control arm 1, and the other end contacts with face cam 4, and reduction torsion spring 5 is arranged on this end.
the present invention is work like this: when power-transfer clutch is in normally off, under the effect of spring 28 elastic force, produce very large static friction force between each friction lining, due to axle sleeve 20 and overcoat 22 and second gear driving gear 21, all adopt spline joint between driving disc spacing pressing 27 and imput shaft 18, when motor 17 outputting powers, second gear driving gear 21 rotates with imput shaft 18, due to isolator 10 effects being arranged in first speed driven gear 11, second gear driving gear 21 surmounts 19 work of one grade of driving gear, second gear driving gear 21 outputting powers, one grade of driving gear 19 rotates with imput shaft 17, outputting power not, two grades of speed-changing driving devices are in the second gear mode of operation, that is to say high speed gear.
When needs adopt one grade of work, pull control arm 1 that tappet 3 is rotated, when rotating, tappet 3 promotes to press down bearing 6 at face cam 4, bearing 6 promotes clutch cap 7 and Compress Spring 28, cause clutch cap 7 to move axially, the second friction lining 24 and the 4th friction lining 26 move with clutch cap 7, the gap will appear in the first friction lining 23 and the second friction lining 24, the 4th friction lining 26 and the 3rd friction lining 25, no longer contact, second gear driving gear 21 is followed axle sleeve 20 and imput shaft 18 idle running, two grades of speed-changing driving devices are in one grade of mode of operation, that is to say low gear.
When needs return to second gear work, unclamp control arm 1, tappet 3 recovers normal condition under reduction torsion spring 5 effects, 3 pairs of clutch caps of tappet, 7 thrusts disappear, power-transfer clutch recovers again normally off, produce again static friction force between four friction linings, two grades of speed-changing driving devices are in the second gear state, that is to say high speed gear.
Can carry out by friction clutch the conversion of gear in the three-wheel vehicle driving process, and can not occur preshoot or after the human discomfort of frustrating, solved the potential safety hazard of switching power when travelling, no longer include the gear strike note of switchover apparatus.Gear switching device has two gears, according to road conditions, uses the gear of different speed ratios in driving process, reaches energy-saving and cost-reducing effect.Carry out gear switch by steering unit, simplified operating process.Adopt electrical motor as power, realized the purpose of environmental protection and energy saving consumption reductions.
Claims (3)
1. two grades of speed-changing driving devices of a battery-driven car, comprise electrical motor (17), Power train and diff (12), it is characterized in that: further comprising friction clutch, described electrical motor (17) is connected 12 with friction clutch with diff respectively by Power train) be connected, be provided with isolator (10) on described Power train, described Power train comprises the imput shaft (18) that is arranged in parallel, driven shaft (8) and bridge shaft (14), described imput shaft (18) two ends are connected with friction clutch with electrical motor (17) respectively, be disposed with second gear driving gear (21) and one grade of driving gear (19) with axle sleeve (20) on described imput shaft (18), the second gear driven gear (9) that is provided with gap bridge driving gear (16) and meshes with second gear driving gear (21) on described driven shaft (8), be provided with the first speed driven gear (11) with one grade of driving gear engagement (19) between described second gear driven gear (9) and gap bridge driving gear (16), described first speed driven gear (11) is connected with driven shaft (8) by the isolator (10) that is arranged in first speed driven gear (11), be provided with gap bridge driven gear (13) and output driving gear (15) with the driving gear of passing a bridge (16) and diff (12) engagement on described bridge shaft (14).
2. two grades of speed-changing driving devices of battery-driven car as claimed in claim 1, it is characterized in that: described friction clutch comprises clutch cap (7) and overcoat (22), be provided with driving disc spacing pressing (27) in described clutch cap (7), be provided with first between clutch cap (7) and overcoat (22), second, the 3rd, the 4th friction lining (23, 24, 25, 26), described second, the 4th friction lining (24, 26) be connected with clutch cap (7), first, the 3rd friction lining (23, 25) be connected with overcoat (22), be provided with spring (28) between described clutch cap (7) and driving disc spacing pressing (27), be provided with bearing (6) on clutch cap (7), described bearing (6) is connected with external steering unit.
3. two grades of speed-changing driving devices of battery-driven car as claimed in claim 2, it is characterized in that: described steering unit comprises control arm (1), tappet (3), face cam (4) and reduction torsion spring (5), one end of described tappet (3) is connected with control arm (1), the other end contacts with face cam (4), and reduction torsion spring (5) is arranged on this end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201210145492 CN102642595B (en) | 2012-05-11 | 2012-05-11 | Two-gear speed-changing driving device of electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201210145492 CN102642595B (en) | 2012-05-11 | 2012-05-11 | Two-gear speed-changing driving device of electric vehicle |
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| CN102642595A CN102642595A (en) | 2012-08-22 |
| CN102642595B true CN102642595B (en) | 2013-06-19 |
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| CN 201210145492 Active CN102642595B (en) | 2012-05-11 | 2012-05-11 | Two-gear speed-changing driving device of electric vehicle |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826191B (en) * | 2012-09-26 | 2013-12-11 | 重庆市昱晨科技有限公司 | Drive device of electric motor car |
| CN105172992A (en) * | 2015-10-09 | 2015-12-23 | 福建省新车技科技发展有限公司 | Self-locking transmission device for electric scooter |
| CN105889429A (en) * | 2016-06-21 | 2016-08-24 | 杭州虬龙科技有限公司 | Multi-clutch gear-shifting system and using method thereof |
| CN109780198A (en) * | 2019-03-18 | 2019-05-21 | 重庆宗申电动力科技有限公司 | A kind of automatic speed-changing system of electric vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0302409A2 (en) * | 1987-08-03 | 1989-02-08 | Fichtel & Sachs AG | Gearing and clutch unit for a two-wheeled motor vehicle |
| US5186065A (en) * | 1991-12-23 | 1993-02-16 | Saturn Corporation | Multi-ratio power transmission |
| CN201046758Y (en) * | 2007-05-25 | 2008-04-16 | 台州市黄岩华阳电动车有限公司 | Electric vehicle driving speed-change gear |
| CN202642021U (en) * | 2012-05-11 | 2013-01-02 | 重庆宗申发动机制造有限公司 | Two-gear transmission drive device for electric vehicle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003083360A (en) * | 2001-09-06 | 2003-03-19 | Tochigi Fuji Ind Co Ltd | Actuator for friction clutch |
| JP2008003360A (en) * | 2006-06-23 | 2008-01-10 | Ricoh Co Ltd | Toner for electrostatic image development |
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- 2012-05-11 CN CN 201210145492 patent/CN102642595B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0302409A2 (en) * | 1987-08-03 | 1989-02-08 | Fichtel & Sachs AG | Gearing and clutch unit for a two-wheeled motor vehicle |
| US5186065A (en) * | 1991-12-23 | 1993-02-16 | Saturn Corporation | Multi-ratio power transmission |
| CN201046758Y (en) * | 2007-05-25 | 2008-04-16 | 台州市黄岩华阳电动车有限公司 | Electric vehicle driving speed-change gear |
| CN202642021U (en) * | 2012-05-11 | 2013-01-02 | 重庆宗申发动机制造有限公司 | Two-gear transmission drive device for electric vehicle |
Non-Patent Citations (1)
| Title |
|---|
| JP特开200-83360A 2003.03.19 |
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Effective date of registration: 20190513 Address after: 400054 Second Floor of 12 Blocks 126 Yunan Avenue, Banan District, Chongqing Patentee after: Chongqing Zongshen Jiyan Mechanical and Electrical Technology Co., Ltd. Address before: 400054 Zong Shen industrial park, Banan District, Chongqing Patentee before: Chongqing Zongshen Engine Manufacturing Co., Ltd. |