CN102897281B - Multi-gear speed change driving system of electric motorcycle and electric motorcycle adopting multi-gear speed change driving system - Google Patents
Multi-gear speed change driving system of electric motorcycle and electric motorcycle adopting multi-gear speed change driving system Download PDFInfo
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- CN102897281B CN102897281B CN201210425594.1A CN201210425594A CN102897281B CN 102897281 B CN102897281 B CN 102897281B CN 201210425594 A CN201210425594 A CN 201210425594A CN 102897281 B CN102897281 B CN 102897281B
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Abstract
The invention relates to a multi-gear speed change driving system of an electric motorcycle and the electric motorcycle adopting the multi-gear speed change driving system. The multi-gear speed change driving system comprises a machine seat case, a driving motor, a speed changer and a clutch, wherein the driving motor is fixedly arranged at the machine seat case, the clutch is in transmission connection with a motive power output shaft of the driving motor and an input shaft of the speed changer, and the speed changer is a multi-gear speed changer with at least three gears. The multi-gear speed change driving system of the electric motorcycle and the electric motorcycle adopting the multi-gear speed change driving system have the advantages that the driving motor and the multi-gear speed changer are integrally designed, different speed ratios are matched by aiming at different road conditions through operating the speed changer, the energy utilization rate is improved, the endurance mileage of the electric motorcycle is improved, the work voltage stability of the driving motor and a storage battery is ensured, and the service lives of the driving motor, a controller and the storage battery are prolonged.
Description
Technical field
The present invention relates to a kind of electric motorcycle motor vehicle drive system and battery-operated motor cycle thereof, particularly relate to a kind of battery-operated motor cycle many grades of variable speed drive systems and battery-operated motor cycle thereof.
Background technology
Battery-operated motor cycle is a kind of zero-emission, low noise, the light vehicle, be suitable for path formation and the not high occasion of moving velocity uses, use comparatively extensive in city, but compare with fuel motorcycle, in dynamic property, load-carrying capacity is compared with aspects such as course continuation mileages all exists larger gap, in prior art, battery-operated motor cycle is vacate larger riding manipulation space and improve driver comfort, the employing hub driven motor Direct driver that its drive system is more, its Driving Torque and rotating speed is controlled by the input voltage or electric current that regulate hub driven motor, with the requirement of satisfied different road conditions and the speed of a motor vehicle, when its defect is upward slope and manned upper abrupt slope, consumption of current large or when going up a slope under power cannot be suitable for, during upward slope, load is large, electric current is easily caused sharply to increase, easily burn controller and drive motor, also directly affect the life-span of storage battery simultaneously, and it is lower to travel combined efficiency under various road conditions, course continuation mileage is shorter, and acceleration capability is poor, climbing energy is weak, limits Applicable scope and the popularization of battery-operated motor cycle.
Therefore, need to be improved electric motorcycle motor vehicle drive system, the combined efficiency improving its tractive performance and travel under various road conditions, promote course continuation mileage, ensure drive motor and battery-operated voltage stability, extend the service life of drive motor, controller and storage battery.
Summary of the invention
In view of this, the object of this invention is to provide a kind of battery-operated motor cycle many grades of variable speed drive systems and battery-operated motor cycle thereof, by drive motor and multi-speed gear box integrated design, mate different speed ratios, can reach and effectively reduce energy expenditure rate, promote the course continuation mileage of battery-driven car, ensure drive motor and battery-operated voltage stability, extend the service life of drive motor, controller and storage battery.
Battery-operated motor cycle of the present invention many grades of variable speed drive systems, the power-transfer clutch comprising machine base outer shell, be fixedly installed in the drive motor of described machine base outer shell, change-speed box and be in transmission connection in drive motor power take-off shaft and input shaft; Described change-speed box is the multi-speed gear box of at least three gears, mates different speed ratio by operation transmission to different road conditions, effectively can improve capacity usage ratio, promotes the course continuation mileage of battery-driven car, ensures drive motor and battery-operated voltage stability.
Further, the input shaft of described change-speed box and the power take-off shaft parallel side-by-side of drive motor are arranged and input shaft input end and drive motor power take-off shaft mouth stretch out along the homonymy of machine base outer shell, make power lateral transport, the longitudinal length of drive system can be reduced, save installing space, vacate enough riding manipulation spaces, improve driver comfort;
Further, described power-transfer clutch is friction clutch, comprises A end, secondary part, hold-down mechanism and steering unit, and described A end is fixed on the clutch end of drive motor, and its inner end surface is provided with the active friction plate of ring-type; Described hold-down mechanism comprises and described A end spline joint cover in the cover body of A end excircle and peak at the pressure spring between A end outer face and cover body along cover body direction of slip bullet, and the described cover body part of stretching to inside A end is provided with the pressing friction sheet axially relative with active friction plate; Described secondary part is rotationally connected with A end inner end surface, and secondary part excircle spline joint has the driven friction disk be located between pressing friction sheet and active friction plate; Described steering unit comprises the Connection Block that the coaxial end cap being fixed on cover body outer end and single degree of freedom are rotationally connected with end cap central, clutch configuration is compact, reasonable in design, can its secondary part the gear teeth are set so that by gear pair by the propulsive effort lateral transport of drive motor to the input shaft of change-speed box, also by arranging the gear pair of different drive ratios to regulate the working load of drive motor;
Further, the driving gear pair that the input shaft of described power-transfer clutch and change-speed box is greater than 1 by transmitting ratio is in transmission connection, described driving gear pair comprises and to be arranged at inside power-transfer clutch and to be rotationally connected with the driving gear of drive motor power take-off shaft mouth and to be in transmission connection in input shaft input end and the driven gear engaged with driving gear, the secondary part of described power-transfer clutch is provided with the internally toothed annulus engaged with driving gear, the lateral transport of propulsive effort can be realized, and the working load of drive motor can be reduced, guarantee to accelerate and climbing energy, improve tractive performance;
Further, described driven gear is flexible transmission structure, comprise wheel rim and the wheel hub of independent setting each other, the cushion collar flexibly connected for described wheel rim and wheel hub and capablely install the annular end cap and tie bolt of locating for packing into wheel rim and cushion, described wheel hub one be provided with disc, described disc inner end surface is parallel to hub spindle to being provided with joint pin, described wheel rim excircle arranges the gear teeth, on wheel rim, corresponding joint pin is provided with aperture and is greater than the direct connecting bore of joint pin, described cushion collar is arranged at the gap of joint pin and connecting bore, described annular end cap to be arranged at inside wheel rim and to be fastenedly connected wheel rim and buffering cartridge clip tightening position in joint pin by described tie bolt, make Flexible Transmission between driving gear pair and input shaft, avoid being damaged change-speed box generation impact forces because power-transfer clutch engages the propulsive effort exported instantaneously, ensure the service life of change-speed box,
Further, described change-speed box is four-speed gear box, comprise described input shaft, the output shaft arranged with described input shaft parallel side-by-side, one grade of driving gear pair, second gear driving gear pair, third gear driving gear pair and fourth gear driving gear pair, input shaft and output shaft are rotationally connected with machine base outer shell respectively by bearing single degree of freedom and are castellated shaft, described one grade of driving gear pair, second gear driving gear pair, the driving tooth driving tooth of third gear driving gear pair and fourth gear driving gear pair is arranged at the input shaft of change-speed box, driven tooth is arranged at the output shaft of change-speed box, wherein second gear driving gear, fourth gear driving gear, first speed driven gear and third gear driven gear are idler gear, one grade of driving gear and fourth gear driven gear are fixed on corresponding axle, third speed drive gear and second gear driven gear are the sleeve gear with corresponding axle spline drived, third speed drive gear is provided with the card column that can be in transmission connection with fourth gear driving gear and the embedding claw that can be in transmission connection with second gear driving gear, second gear driven gear is provided with the card column that can be in transmission connection with first speed driven gear and the embedding claw that can be in transmission connection with third gear driven gear, fourth gear driving gear and the corresponding corresponding card column of first speed driven gear are provided with draw-in groove, second gear driving gear and the corresponding corresponding embedding claw of third gear driven gear are provided with embedding draw-in groove, the neutral gear gap departing from transmission with third speed drive gear is provided with between second gear driving gear and fourth gear driving gear, the neutral gear gap departing from transmission with second gear driven gear is provided with between first speed driven gear and third gear driven gear, when third speed drive gear and second gear driven gear are positioned at neutral gear gap, change-speed box is neutral, stir second gear driven gear to make it to be in transmission connection with first speed driven gear and third speed drive gear is positioned at neutral gear gap is one grade, stir third speed drive gear to make it to be in transmission connection with second gear driving gear and second gear driven gear is positioned at neutral gear gap is second gear, stir second gear driven gear to make it with third gear driven gear transmission link and third speed drive gear is positioned at neutral gear gap is third gear, stir third speed drive gear and fourth gear driving gear to be in transmission connection and second gear driven gear is positioned at neutral gear gap is fourth gear, by operation transmission, different speed ratio is mated to different road conditions, effectively can improve capacity usage ratio, promote the course continuation mileage of battery-driven car, ensure drive motor and battery-operated voltage stability,
Further, described transmission output shaft mouth and its input shaft input end are respectively in both sides and arrange, transmission output shaft mouth is also installed with sprocket wheel, because driving gear pair transmitting ratio is greater than 1, so driven gear diameter is comparatively large, transmission output shaft mouth and its input shaft input end is respectively in both sides and arranges and effectively can avoid constructive interference;
Further, described drive motor is brshless DC motor, comprise described power take-off shaft, motor cabinet, out frame, be provided with the stator core of winding, terminals and rotor case, described motor cabinet is fixedly installed in machine base outer shell, described out frame is column and is fixed on motor cabinet bottom wall central, stator core is sheathed on out frame excircle and fixes, described power take-off shaft coaxial rotation is connected to out frame, described rotor case is fixedly connected on described power take-off shaft and covers in the excircle of stator core, rotor encloser inner wall is fixedly installed the permanent magnet relative with stator core excircle, mechanical is brush-commutated, avoid the noise because mechanical friction produces, spark and frictional loss, brshless DC motor not only structure is simple, reliable, easy to maintenance, and operating efficiency is high, good speed adjustment features.
The invention also discloses a kind of battery-operated motor cycle, this battery-operated motor cycle many grades of variable speed drive systems installed by described battery-operated motor cycle.
The invention has the beneficial effects as follows: battery-operated motor cycle of the present invention many grades of variable speed drive systems and battery-operated motor cycle thereof, by drive motor and multi-speed gear box integrated design, different speed ratio is mated for different road conditions by operation transmission, improve capacity usage ratio, promote the course continuation mileage of battery-driven car, ensure drive motor and battery-operated voltage stability, extend the service life of drive motor, controller and storage battery.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Fig. 1 is structural representation of the present invention, as shown in the figure: battery-operated motor cycle many grades of variable speed drive systems of the present embodiment, the power-transfer clutch 4 comprising machine base outer shell 1, be fixedly installed in the drive motor 2 of described machine base outer shell, change-speed box 3 and be in transmission connection in drive motor 2 power take-off shaft 205 and change-speed box 3 input shaft 301; Described change-speed box 3 is the multi-speed gear box of at least three gears, mates different speed ratio, effectively can improve capacity usage ratio by operation transmission 3 to different road conditions, promotes the course continuation mileage of battery-driven car, ensures drive motor 2 and battery-operated voltage stability.
In the present embodiment, the input shaft 301 of described change-speed box 3 and power take-off shaft 205 parallel side-by-side of drive motor 2 are arranged and change-speed box 3 input shaft 301 input end and drive motor 2 power take-off shaft 205 mouth stretch out along the homonymy of machine base outer shell 1, can be in transmission connection by the existing drive mechanism such as gear pair or belt between power-transfer clutch and change-speed box 3 input shaft 301, make power lateral transport, the longitudinal length of drive system can be reduced, save installing space, vacate enough riding manipulation spaces, improve driver comfort.
In the present embodiment, described power-transfer clutch 4 is friction clutch, and comprise A end 401, secondary part 402, hold-down mechanism and steering unit, described A end 401 is fixed on the clutch end of drive motor 2, and its inner end surface is provided with the active friction plate of ring-type; Described hold-down mechanism comprises and described A end 401 spline joint cover in the cover body 403 of A end 401 excircle and peak at the pressure spring 404 between A end 401 outer face and cover body 403 along cover body 403 direction of slip bullet, and described cover body 403 part of stretching to inside A end 401 is provided with the pressing friction sheet 405 axially relative with active friction plate; Described secondary part 402 is rotationally connected with A end 401 inner end surface, and secondary part 402 excircle spline joint has the driven friction disk 406 be located between pressing friction sheet 405 and active friction plate; Described steering unit comprises the Connection Block 408 that the coaxial end cap 407 being fixed on cover body 403 outer end and single degree of freedom are rotationally connected with end cap 407 center, power-transfer clutch 4 compact conformation, reasonable in design, can its secondary part 402 gear teeth are set so that by gear pair by the propulsive effort lateral transport of drive motor 2 to the input shaft 301 of change-speed box 3, also by arranging the gear pair of different drive ratios to regulate the working load of drive motor 2.
In the present embodiment, the driving gear pair 5 that described power-transfer clutch 4 and the input shaft 301 of change-speed box 3 are greater than 1 by transmitting ratio is in transmission connection, described driving gear pair 5 comprises and to be arranged at inside power-transfer clutch 4 and to be rotationally connected with the driving gear 501 of drive motor 2 power take-off shaft 205 mouth and to be in transmission connection in change-speed box 3 input shaft 301 input end and the driven gear 502 engaged with driving gear 501, the secondary part 402 of described power-transfer clutch 4 is provided with the internally toothed annulus engaged with driving gear 501, the lateral transport of propulsive effort can be realized, and the working load of drive motor 2 can be reduced, guarantee to accelerate and climbing energy, improve tractive performance.
In the present embodiment, described driven gear 502 is flexible transmission structure, comprise wheel rim 503 and the wheel hub 504 of independent setting each other, the cushion collar 505 flexibly connected for described wheel rim 503 and wheel hub 504 and for carrying out installing the annular end cap 506 and tie bolt 507 of locating to wheel rim 503 and cushion collar 505, described wheel hub 504 one be provided with disc, described disc inner end surface is parallel to wheel hub 504 and is axially provided with joint pin, described wheel rim 503 excircle arranges the gear teeth, on wheel rim 503, corresponding joint pin is provided with aperture and is greater than the direct connecting bore of joint pin, described cushion collar 505 is arranged at the gap of joint pin and connecting bore, described annular end cap 506 to be arranged at inside wheel rim 503 and to be fastenedly connected wheel rim 503 and cushion collar 505 clamping and positioning in joint pin by described tie bolt 507, make Flexible Transmission between driving gear pair 5 and change-speed box 3 input shaft 301, the propulsive effort exported because of power-transfer clutch 4 joint moment is avoided to produce impact forces to change-speed box 3 and damaged, ensure the service life of change-speed box 3.
In the present embodiment, described change-speed box 3 is four-speed gear box, comprise described input shaft 301, the output shaft 302 arranged with described input shaft 301 parallel side-by-side, one grade of driving gear pair, second gear driving gear pair, third gear driving gear pair and fourth gear driving gear pair, input shaft 301 and output shaft 302 are rotationally connected with machine base outer shell 1 respectively by bearing single degree of freedom and are castellated shaft, described one grade of driving gear pair, second gear driving gear pair, the driving tooth driving tooth of third gear driving gear pair and fourth gear driving gear pair is arranged at the input shaft 301 of change-speed box 3, driven tooth is arranged at the output shaft 302 of change-speed box 3, wherein second gear driving gear 304, fourth gear driving gear 306, first speed driven gear 307 and third gear driven gear 309 are idler gear, one grade of driving gear 303 and fourth gear driven gear 310 are fixed on corresponding axle, third speed drive gear 305 and second gear driven gear 308 are the sleeve gear with corresponding axle spline drived, third speed drive gear 305 is provided with the card column that can be in transmission connection with fourth gear driving gear 306 and the embedding claw that can be in transmission connection with second gear driving gear 304, second gear driven gear 308 is provided with the card column that can be in transmission connection with first speed driven gear 307 and the embedding claw that can be in transmission connection with third gear driven gear 309, fourth gear driving gear 306 and the corresponding corresponding card column of first speed driven gear 307 are provided with draw-in groove, second gear driving gear 304 and the corresponding corresponding embedding claw of third gear driven gear 309 are provided with embedding draw-in groove, the neutral gear gap departing from transmission with third speed drive gear 305 is provided with between second gear driving gear 304 and fourth gear driving gear 306, the neutral gear gap departing from transmission with second gear driven gear 308 is provided with between first speed driven gear 307 and third gear driven gear 309, when third speed drive gear 305 and second gear driven gear 308 are positioned at neutral gear gap, change-speed box 3 is neutral, stir second gear driven gear 308 to make it to be in transmission connection with first speed driven gear 307 and third speed drive gear 305 is positioned at neutral gear gap is one grade, stir third speed drive gear 305 to make it to be in transmission connection with second gear driving gear 304 and second gear driven gear 308 is positioned at neutral gear gap is second gear, stir second gear driven gear 308 to make it with third gear driven gear 309 transmission link and third speed drive gear 305 is positioned at neutral gear gap is third gear, stir third speed drive gear 305 to be in transmission connection with fourth gear driving gear 306 and second gear driven gear 308 is positioned at neutral gear gap is fourth gear, by operation transmission 3, different speed ratio is mated to different road conditions, effectively can improve capacity usage ratio, promote the course continuation mileage of battery-driven car, ensure drive motor 2 and battery-operated voltage stability.
In the present embodiment, described change-speed box 3 output shaft 302 mouth and its input shaft 301 input end are respectively in both sides and arrange, change-speed box 3 output shaft 302 mouth is also installed with sprocket wheel 311, because driving gear pair 5 transmitting ratio is greater than 1, so driven gear 502 diameter is comparatively large, change-speed box 3 output shaft 302 mouth and its input shaft 301 input end is respectively in both sides and arranges and effectively can avoid constructive interference.
In the present embodiment, described drive motor 2 is brshless DC motor, comprise described power take-off shaft 205, motor cabinet 201, out frame 202, be provided with the stator core 203 of winding, terminals 204 and rotor case 206, described motor cabinet 201 is fixedly installed in machine base outer shell 1, described out frame 202 is column and is fixed on motor cabinet 201 bottom wall central, stator core 203 is sheathed on out frame 202 excircle and fixes, described power take-off shaft 205 coaxial rotation is connected to out frame 202, described rotor case 206 is fixedly connected on power take-off shaft 205 and covers in the excircle of stator core 203, rotor case 206 inwall is fixedly installed the permanent magnet relative with stator core 203 excircle, mechanical is brush-commutated, avoid the noise because mechanical friction produces, spark and frictional loss, brshless DC motor not only structure is simple, reliable, easy to maintenance, and operating efficiency is high, good speed adjustment features.
The invention also discloses a kind of battery-operated motor cycle, this battery-operated motor cycle many grades of variable speed drive systems installed by described battery-operated motor cycle.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. battery-operated motor cycle many grades of variable speed drive systems, the power-transfer clutch comprising machine base outer shell, be fixedly installed in the drive motor of described machine base outer shell, change-speed box and be in transmission connection in drive motor power take-off shaft and input shaft, it is characterized in that: described change-speed box is the multi-speed gear box of at least three gears, the driving gear pair that the input shaft of described power-transfer clutch and change-speed box is greater than 1 by transmitting ratio is in transmission connection, described driving gear pair comprises and to be arranged at inside power-transfer clutch and to be rotationally connected with the driving gear of drive motor power take-off shaft mouth and to be in transmission connection in input shaft input end and the driven gear engaged with driving gear, and the secondary part of described power-transfer clutch is provided with the internally toothed annulus engaged with driving gear, described driven gear is flexible transmission structure, comprise wheel rim and the wheel hub of independent setting each other, the cushion collar flexibly connected for described wheel rim and wheel hub and capablely install the annular end cap and tie bolt of locating for packing into wheel rim and cushion, described wheel hub one be provided with disc, described disc inner end surface is parallel to hub spindle to being provided with joint pin, described wheel rim excircle arranges the gear teeth, on wheel rim, corresponding joint pin is provided with aperture and is greater than the direct connecting bore of joint pin, described cushion collar is arranged at the gap of joint pin and connecting bore, described annular end cap to be arranged at inside wheel rim and to be fastenedly connected wheel rim and buffering cartridge clip tightening position in joint pin by described tie bolt.
2. battery-operated motor cycle according to claim 1 many grades of variable speed drive systems, is characterized in that: the input shaft of described change-speed box and the power take-off shaft parallel side-by-side of drive motor are arranged and input shaft input end and drive motor power take-off shaft mouth stretch out along the homonymy of machine base outer shell.
3. battery-operated motor cycle according to claim 2 many grades of variable speed drive systems, it is characterized in that: described change-speed box is four-speed gear box, comprise described input shaft, the output shaft arranged with described input shaft parallel side-by-side, one grade of driving gear pair, second gear driving gear pair, third gear driving gear pair and fourth gear driving gear pair, input shaft and output shaft are rotationally connected with machine base outer shell respectively by bearing single degree of freedom and are castellated shaft, described one grade of driving gear pair, second gear driving gear pair, the driving tooth driving tooth of third gear driving gear pair and fourth gear driving gear pair is arranged at the input shaft of change-speed box, driven tooth is arranged at the output shaft of change-speed box, wherein second gear driving gear, fourth gear driving gear, first speed driven gear and third gear driven gear are idler gear, one grade of driving gear and fourth gear driven gear are fixed on corresponding axle, third speed drive gear and second gear driven gear are the sleeve gear with corresponding axle spline drived, third speed drive gear is provided with the card column that can be in transmission connection with fourth gear driving gear and the embedding claw that can be in transmission connection with second gear driving gear, second gear driven gear is provided with the card column that can be in transmission connection with first speed driven gear and the embedding claw that can be in transmission connection with third gear driven gear, fourth gear driving gear and the corresponding corresponding card column of first speed driven gear are provided with draw-in groove, second gear driving gear and the corresponding corresponding embedding claw of third gear driven gear are provided with embedding draw-in groove, the neutral gear gap departing from transmission with third speed drive gear is provided with between second gear driving gear and fourth gear driving gear, the neutral gear gap departing from transmission with second gear driven gear is provided with between first speed driven gear and third gear driven gear.
4. battery-operated motor cycle according to claim 3 many grades of variable speed drive systems, is characterized in that: described transmission output shaft mouth and its input shaft input end are respectively in both sides and arrange, and transmission output shaft mouth is also installed with sprocket wheel.
5. battery-operated motor cycle according to claim 4 many grades of variable speed drive systems, it is characterized in that: described drive motor is brshless DC motor, comprise described power take-off shaft, motor cabinet, out frame, be provided with the stator core of winding, terminals and rotor case, described motor cabinet is fixedly installed in machine base outer shell, described out frame is column and is fixed on motor cabinet bottom wall central, stator core is sheathed on out frame excircle and fixes, described power take-off shaft coaxial rotation is connected to out frame, described rotor case is fixedly connected on described power take-off shaft and covers in the excircle of stator core, rotor encloser inner wall is fixedly installed the permanent magnet relative with stator core excircle.
6. application rights requires a battery-operated motor cycle for the battery-operated motor cycle many grades of variable speed drive systems described in 1 to 5 arbitrary claims, it is characterized in that: this battery-operated motor cycle many grades of variable speed drive systems installed by described battery-operated motor cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210425594.1A CN102897281B (en) | 2012-10-30 | 2012-10-30 | Multi-gear speed change driving system of electric motorcycle and electric motorcycle adopting multi-gear speed change driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210425594.1A CN102897281B (en) | 2012-10-30 | 2012-10-30 | Multi-gear speed change driving system of electric motorcycle and electric motorcycle adopting multi-gear speed change driving system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102897281A CN102897281A (en) | 2013-01-30 |
| CN102897281B true CN102897281B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210425594.1A Expired - Fee Related CN102897281B (en) | 2012-10-30 | 2012-10-30 | Multi-gear speed change driving system of electric motorcycle and electric motorcycle adopting multi-gear speed change driving system |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03128789A (en) * | 1989-07-13 | 1991-05-31 | Honda Motor Co Ltd | Motor-operated vehicle |
| CN201180750Y (en) * | 2008-04-03 | 2009-01-14 | 刘珍利 | Plate type friction clutch of engine |
| CN102097892B (en) * | 2011-01-11 | 2012-09-05 | 秦廷修 | Two-gear electrical control variable speed motor for electric motorcycle |
| CN102305248A (en) * | 2011-08-15 | 2012-01-04 | 重庆银钢科技（集团）有限公司 | Energy-saving clutch with controllable free gears |
| CN203005686U (en) * | 2012-10-30 | 2013-06-19 | 隆鑫通用动力股份有限公司 | Electric motor car multi-gear speed change driving assembly and electric motor car thereof |
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2012
- 2012-10-30 CN CN201210425594.1A patent/CN102897281B/en not_active Expired - Fee Related
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