CN101311578A - Driving speed-changing mechanism of electric vehicle - Google Patents
Driving speed-changing mechanism of electric vehicle Download PDFInfo
- Publication number
- CN101311578A CN101311578A CNA2007100690011A CN200710069001A CN101311578A CN 101311578 A CN101311578 A CN 101311578A CN A2007100690011 A CNA2007100690011 A CN A2007100690011A CN 200710069001 A CN200710069001 A CN 200710069001A CN 101311578 A CN101311578 A CN 101311578A
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Abstract
A speed change mechanism driven by an electric vehicle is provided with a gearbox body; a motor is arranged in the box body; an output shaft is driven by the gear shaft of the motor by a transmission mechanism; the output shaft drives the hub of the electric vehicle. The invention is characterized in that the transmission mechanism is that: the gear shaft of the motor drives a reduction gear set; the reduction gear set drives a switching shaft; one end of the switching shaft is provided with a friction switching gear; the other end of the switching shaft is provided with an overrunning switching gear; the overrunning switching shaft drives an overrunning clutch; the overrunning clutch is matched with the output shaft; a friction switching gear drives a multi-plate friction clutch; the multi-plate friction clutch is matched with the output shaft; one end of the friction clutch is provided with a switching device; the switching device is connected with a wire cable guy; the wire cable guy is connected with the handgrip of the electric vehicle. The technical scheme is safe and reliable to be used; the endurance capacity of the electric vehicle is strong; a battery and the motor are effectively protected; besides, the technical scheme has the advantages of stable shifting as well as convenient, flexible and reliable control.
Description
Technical field
The present invention relates to the drive system of electric motor car, particularly relate to driving speed-changing mechanism of electric vehicle.
Background technique
Electric motor car (mainly referring to electric bicycle) is the energy with the storage battery, by motor driving, without the manpower pedal, saves the strength, and to compare noise low with internal combustion engine drive such as motorcycle, no waste gas, pollute few, so comparatively fast developed.What but existing electric motor car generally adopted is wheel hub motor, it is the low-speed DC motor direct-drive, when climbing or starting, can only rely on increase electric current (up to tens amperes) to obtain big torque, its result must cause the electric motor car flying power to descend, even cause the damage of energy storage unit-storage battery, also can destroy motor if overburdening is excessive.
Summary of the invention
The objective of the invention is in order to overcome the shortcoming that prior art exists, function such as provide a kind of employing double clutch speed change, gear shift, brake, surmount is in one, can be used at a high speed flat pavement running, low speed is used for climbing, starting, and the clutch mode is easy to operate, driving speed-changing mechanism of electric vehicle flexibly.
The technological scheme of driving speed-changing mechanism of electric vehicle of the present invention is: gearbox casing is arranged, a motor is installed in the casing, drive output shaft by motor gear beam warp driving mechanism, output shaft drives electric vehicle hub, it is characterized in that described driving mechanism is: the motor gear axle drives train of reduction gears, train of reduction gears drives switching shaft, one of switching shaft the friction change gear is installed, the other end of switching shaft is installed and is surmounted change gear, surmount change gear and drive free wheel device, free wheel device matches with output shaft; The friction change gear drives multi-plate friction clutch, and multi-plate friction clutch matches with output shaft, at an end of friction clutch COMM communication is installed, and COMM communication connects the Steel Cable backguy, and the Steel Cable backguy connects the electric motor car handgrip.
Driving speed-changing mechanism of electric vehicle of the present invention, be equipped with speed change gear by the high speed direct current generator, particularly the transmission system after the speed change can drive output shaft through multi-plate friction clutch or mono-directional overrun clutch respectively, the collection speed change, gear shift, braking, function such as surmount in one, the high speed direct current generator of configurable 300W～1000W (for example rated speed 3000rpm), the one, can get (45Km/h) and low speed (15Km/h) at a high speed by speed change gear, the high speed that multi-plate friction clutch combines with output shaft is applicable to flat pavement running, the low speed that free wheel device combines with output shaft is applicable to climbing, starting, overcome prior art in climbing, can only rely on increase electric current (up to tens amperes) to obtain shortcomings such as big torque during starting, therefore, the technical program is safe in utilization, reliably, the electric motor car flying power is strong, effectively protects battery, motor; Two is two kinds of clutch combinations respectively, high speed or low speed output mutual noninterference, the high, low speed gear shift relies on the combination of multi-plate friction clutch or separates and realize, overcome the shock problem that prior art adopts castellated engagement gear shift, it is steady that this mechanism has gear shift, handiness, flexible, reliable.
Driving speed-changing mechanism of electric vehicle of the present invention, its described train of reduction gears are that the motor gear axle drives the A gear, and the A gear is meshed with the B gear, the B gear is installed on the B gear shaft, the C gear is installed on the B gear shaft simultaneously, and the C gear is meshed with the D gear, and the D gear is installed on the switching shaft.Its described free wheel device is to surmount change gear and surmount gear and be meshed, surmount the free wheel device outer ring is installed in gear and the gear cap, installation surmounts bearing in the free wheel device outer ring, and surmounting has the free wheel device inner ring in the bearing, and the free wheel device inner ring matches with output shaft.Its described friction clutch is that the friction change gear is meshed with slip gear, friction bearing and cover are arranged between slip gear and output shaft, slip gear connects the multi-plate friction clutch shell, install and fix dish on the output shaft, under the fixed tray displacement disc is arranged, outside friction disc and interior friction plate and spring are installed between displacement disc and the fixed tray, outside friction disc and shell are circumferentially fixing, and a crown of spring the promotion dish, in the promotion dish bearing is installed, match with push rod in the bearing, push rod has the bar cover outward, and adjusting screw is arranged in the push rod, and adjusting nut is arranged on the adjusting screw, adjusting screw contacts with cam, and cam connects the Steel Cable backguy.Its promotion dish and displacement disc have connecting bolt, move in the work reliably, to displacement disc and fixed tray and upper and lower friction plate pressuring action.Its described spring is two, acts on more reliable.
Description of drawings
Fig. 1 is a driving speed-changing mechanism of electric vehicle structural representation of the present invention;
Fig. 2 is a driving speed-changing mechanism of electric vehicle multi-plate friction clutch schematic representation of the present invention;
Fig. 3 is multi-plate friction clutch of the present invention and COMM communication schematic representation.
Embodiment
The present invention relates to driving speed-changing mechanism of electric vehicle, as shown in Figure 1-Figure 3, gearbox casing 1 is arranged, a motor 3 is installed in the casing, drive output shaft by motor gear axle 31 through driving mechanism, output shaft drives electric vehicle hub, its major technology is characterised in that described driving mechanism is: motor gear axle 31 drives train of reduction gears, train of reduction gears drives switching shaft 8, one of switching shaft 8 friction change gear 81 is installed, the other end of switching shaft is installed and is surmounted change gear 82, surmounts change gear 82 and drives free wheel device 5, and free wheel device 5 matches with output shaft 7; Friction change gear 81 drives multi-plate friction clutch 6, multi-plate friction clutch 6 matches with output shaft 7, end at multi-plate friction clutch 6 is installed COMM communication 4, and COMM communication connects Steel Cable backguy 2, and Steel Cable backguy 2 connects electric motor car handgrip 21.This driving speed-changing mechanism of electric vehicle, be equipped with speed change gear by the high speed direct current generator, particularly the transmission system after the speed change drives output shaft through multi-plate friction clutch or mono-directional overrun clutch respectively, the collection speed change, gear shift, braking, function such as surmount in one, the high speed direct current generator of configurable 300W～1000W (for example rated speed 3000rpm), the one, can get (45Km/h) and low speed (15Km/h) at a high speed by speed change gear, the high speed that multi-plate friction clutch combines with output shaft is applicable to flat pavement running, the low speed that free wheel device combines with output shaft is applicable to climbing, starting has overcome prior art in climbing, can only rely on increase electric current (up to tens amperes) to obtain shortcomings such as big torque during starting; Two is two kinds of clutch combinations respectively, at a high speed or low speed output mutual noninterference, the high, low speed gear shift relies on the combination of multi-plate friction clutch or separates and realize, has overcome the shock problem that prior art adopts castellated engagement gear shift.Therefore, the technical program is safe in utilization, reliable, and the electric motor car flying power is strong, effectively protects battery, motor, and it is steady to have a gear shift, handiness, flexibly.Its described train of reduction gears is that motor gear axle 31 drives A gear 12, A gear 12 is meshed with B gear 13, and B gear 13 is installed on the B gear shaft 14, and C gear 15 is installed on B gear shaft 14 simultaneously, C gear 15 is meshed with D gear 16, and D gear 16 is installed on the switching shaft 8.The one-level transmission of this mechanism is that A gear 12 is passed to B gear shaft 14 with 13 engagements of B gear with motion; The secondary transmission is that C gear 15 is meshed with D gear 16, and switching shaft 8 is passed in motion; Three grades of transmissions are that the branch two-way is passed to two clutches with motion.Its described free wheel device 5 is to surmount change gear 82 and surmount gear 51 and be meshed, surmount in gear 51 and the gear cap 52 free wheel device outer ring 53 is installed, install in the free wheel device outer ring 53 and surmount bearing 54, surmounting has free wheel device inner ring 55 in the bearing 54, free wheel device inner ring 55 matches with output shaft 7.The free wheel device effect has three, and the first combines rotating speed when high when multi-plate friction clutch 6 with output shaft 7, and work does not take place free wheel device; It two is when electric motor car stops, multi-plate friction clutch 6 is pulled to separating shelves, but just go-cart; It three is when multi-plate friction clutch 6 separates, and surmounts gear 51 and surmounts change gear 82 engagement driving free wheel device outer ring 53 is passed in motion, but surmount the just tight inside and outside circle of contract of bearing 54, makes output shaft 7 tick-overs.Its described friction clutch 6 is that friction change gear 81 is meshed with slip gear 61,7 of slip gear 61 and output shafts have friction bearing 62 and cover 63, slip gear 61 connects multi-plate friction clutch shell 64, install and fix dish 72 on the output shaft 7, fixed tray has displacement disc 71 72 times, outside friction disc 74 and interior friction plate 75 and spring 73 are installed between displacement disc 71 and the fixed tray 72, outside friction disc 74 is circumferentially fixing with shell 64, one crown of spring 73 promotion dish 76, bearing 77 is installed in the promotion dish 76, match with push rod 65 in the bearing 77, bar cover 66 is arranged outside the push rod 65, adjusting screw 67 is arranged in the push rod 65, adjusting nut 68 is arranged on the adjusting screw 67, adjusting screw 67 contacts with cam 69, and cam 69 connects Steel Cable backguy 2.Multi-plate friction clutch 6 is when work, high-speed motion is passed to slip gear 61 by friction change gear 81, with the fixing clutch outer member 64 of slip gear also high speed rotating, because outside friction disc 74 is circumferentially fixing with clutch outer member 64, so outside friction disc 74 also obtains high speed rotating.When cam 69 is motionless, order about inside and outside friction plate 75,74 at promotion dish 77 under the effect of spring 73 power and be pressed between the upper and lower end face of displacement disc 71 and fixed tray 72, rely on frictional force that motion is passed on the output shaft 7.Behind the handle that rotates on the electric motor car handgrip, when clockwise rotating by Steel Cable backguy 2 driving cams 69, cam 69 will be depressed clutch push rod 65, promote displacement disc 71 through promotion dish 76, thereby force spring 73 compressions, displacement disc 71 moves down, so the distance between the upper and lower end face of displacement disc 71 and fixed tray 72 becomes big, inside and outside friction plate 75,74 axial separation, output shaft 7 will stop operating.This mechanism is by the inside and outside friction plate transmitting movement of multi-disc, particularly drive cam 69 through pulling Steel Cable backguy 2 with the rotatable handle that connects electric motor car handgrip 21, making the friction plate separation reach output shaft 7 stops operating, after switching, work by free wheel device 5, have and be skillfully constructed, easy to operate, reliable for effect.Adjusting screw 67 and adjusting nut 68 are installed in push rod 65 simultaneously, adjustment cam 69 working surfaces and the gap that is driven between the part working surface effectively, the manipulation that obtains can to make behind the reasonable clearance clutch is more flexibly, reliably.Its promotion dish 76 has connecting bolt 78 with displacement disc 71, moves in the work reliably, to displacement disc and fixed tray and upper and lower friction plate pressuring action.Its described spring 73 is two, and two spring actions are reliable.
Claims (6)
1, driving speed-changing mechanism of electric vehicle, gearbox casing (1) is arranged, a motor (3) is installed in the casing, drive output shaft by motor gear axle (31) through driving mechanism, output shaft drives electric vehicle hub, it is characterized in that described driving mechanism is: motor gear axle (31) drives train of reduction gears, train of reduction gears drives switching shaft (8), one of switching shaft (8) friction change gear (81) is installed, the other end of switching shaft is installed and is surmounted change gear (82), surmount change gear (82) and drive free wheel device (5), free wheel device (5) matches with output shaft (7); Friction change gear (81) drives multi-plate friction clutch (6), multi-plate friction clutch (6) matches with output shaft (7), end at multi-plate friction clutch (6) is installed COMM communication (4), COMM communication connects Steel Cable backguy (2), and Steel Cable backguy (2) connects electric motor car handgrip (21).
2, driving speed-changing mechanism of electric vehicle as claimed in claim 1, it is characterized in that described train of reduction gears is that motor gear axle (31) drives A gear (12), A gear (12) is meshed with B gear (13), B gear (13) is installed on the B gear shaft (14), C gear (15) is installed on B gear shaft (14) simultaneously, C gear (15) is meshed with D gear (16), and D gear (16) is installed on the switching shaft (8).
3, driving speed-changing mechanism of electric vehicle as claimed in claim 1, it is characterized in that described free wheel device (5) is to surmount change gear (82) and surmount gear (51) and be meshed, surmount free wheel device outer ring (53) is installed in gear (51) and the gear cap (52), install in the free wheel device outer ring (53) and surmount bearing (54), surmounting has free wheel device inner ring (55) in the bearing (54), free wheel device inner ring (55) matches with output shaft (7).
4, driving speed-changing mechanism of electric vehicle as claimed in claim 1, it is characterized in that described friction clutch (6) is that friction change gear (81) is meshed with slip gear (61), friction bearing (62) and cover (63) are arranged between slip gear (61) and output shaft (7), slip gear (61) connects multi-plate friction clutch shell (64), install and fix dish (72) on the output shaft (7), displacement disc (71) is arranged under the fixed tray (72), outside friction disc (74) and interior friction plate (75) and spring (73) are installed between displacement disc (71) and the fixed tray (72), outside friction disc (74) is circumferentially fixing with shell (64), one crown of spring (73) promotion dish (76), bearing (77) is installed in the promotion dish (76), match with push rod (65) in the bearing (77), bar cover (66) is arranged outside the push rod (65), adjusting screw (67) is arranged in the push rod (65), adjusting nut (68) is arranged on the adjusting screw (67), and adjusting screw (67) contacts with cam (69), and cam (69) connects Steel Cable backguy (2).
5, driving speed-changing mechanism of electric vehicle as claimed in claim 1 is characterized in that promotion dish (76) and displacement disc (71) have connecting bolt (78).
6, driving speed-changing mechanism of electric vehicle as claimed in claim 1 is characterized in that described spring (73) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100690011A CN101311578A (en) | 2007-05-25 | 2007-05-25 | Driving speed-changing mechanism of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100690011A CN101311578A (en) | 2007-05-25 | 2007-05-25 | Driving speed-changing mechanism of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
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| CN101311578A true CN101311578A (en) | 2008-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100690011A Pending CN101311578A (en) | 2007-05-25 | 2007-05-25 | Driving speed-changing mechanism of electric vehicle |
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| CN (1) | CN101311578A (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767529A (en) * | 2010-03-25 | 2010-07-07 | 台州市黄岩华阳机电科技有限公司 | Clutch type output mechanism of electrically-propelled vehicle shifting driving hub |
| CN102050194A (en) * | 2010-12-02 | 2011-05-11 | 重庆阿波罗港城科技有限公司 | Side hung driving system for two-wheeled electric vehicle |
| CN102092279A (en) * | 2009-12-09 | 2011-06-15 | 株式会社神崎高级工机制作所 | Electric transaxle unit |
| CN102996676A (en) * | 2012-12-16 | 2013-03-27 | 郭克亚 | Frictional self-adaptive torque-limiting clutch and two-gear conversion device |
| CN104373532A (en) * | 2014-10-31 | 2015-02-25 | 贵阳劲友机械加工有限公司 | Purely mechanical four-speed gearbox of electric vehicle |
| WO2017096629A1 (en) * | 2015-12-11 | 2017-06-15 | 东莞市台铃车业有限公司 | Electrically-driven power unit and electric motorcycle |
| CN108448811A (en) * | 2018-05-17 | 2018-08-24 | 鹤山市恒富微型电机有限公司 | A kind of Novel speed-reducing variable speed electric motors, particularly |
| CN110282560A (en) * | 2019-07-09 | 2019-09-27 | 缙云唐纳机械科技有限公司 | A kind of curved surface roof covering hanging apparatus |
| CN110949125A (en) * | 2019-12-04 | 2020-04-03 | 西南大学 | Double-overrunning self-adaptive automatic speed change system with transmission sensing function |
| CN110966361A (en) * | 2019-12-04 | 2020-04-07 | 西南大学 | Large-load self-adaptive automatic speed change system easy to shift gears |
| CN110966369A (en) * | 2019-12-04 | 2020-04-07 | 西南大学 | Intelligent double-overrunning self-adaptive automatic speed change system |
| CN110985643A (en) * | 2019-12-31 | 2020-04-10 | 西南大学 | Central drive type intelligent transmission system for vehicle |
| CN111016604A (en) * | 2019-12-04 | 2020-04-17 | 西南大学 | Ultra-large torque double-helix double-surpassing integrated intelligent self-adaptive electric drive precursor system |
| CN111043255A (en) * | 2019-12-04 | 2020-04-21 | 西南大学 | Large-load self-adaptive automatic speed change system with smooth gear shifting |
| CN111089143A (en) * | 2019-12-04 | 2020-05-01 | 西南大学 | Intelligent super-load self-adaptive automatic speed change system with reverse gear |
| DE102020109097B3 (en) | 2020-04-01 | 2021-09-23 | Keßler & Co.GmbH & Co.KG | Final drive |
| DE102020109116B3 (en) | 2020-04-01 | 2021-09-23 | Keßler & Co.GmbH & Co.KG | Final drive |
| CN115195434A (en) * | 2022-08-30 | 2022-10-18 | 奇瑞汽车股份有限公司 | Electric auxiliary driver, electric auxiliary driving system and new energy electric automobile |
-
2007
- 2007-05-25 CN CNA2007100690011A patent/CN101311578A/en active Pending
Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092279B (en) * | 2009-12-09 | 2015-11-25 | 株式会社神崎高级工机制作所 | Electric transaxle unit |
| CN102092279A (en) * | 2009-12-09 | 2011-06-15 | 株式会社神崎高级工机制作所 | Electric transaxle unit |
| CN101767529B (en) * | 2010-03-25 | 2013-02-13 | 台州市黄岩华阳机电科技有限公司 | Clutch type output mechanism of electrically-propelled vehicle shifting driving hub |
| CN101767529A (en) * | 2010-03-25 | 2010-07-07 | 台州市黄岩华阳机电科技有限公司 | Clutch type output mechanism of electrically-propelled vehicle shifting driving hub |
| CN102050194A (en) * | 2010-12-02 | 2011-05-11 | 重庆阿波罗港城科技有限公司 | Side hung driving system for two-wheeled electric vehicle |
| CN102996676A (en) * | 2012-12-16 | 2013-03-27 | 郭克亚 | Frictional self-adaptive torque-limiting clutch and two-gear conversion device |
| CN102996676B (en) * | 2012-12-16 | 2014-11-19 | 郭克亚 | Frictional self-adaptive torque-limiting clutch and two-gear conversion device |
| CN104373532A (en) * | 2014-10-31 | 2015-02-25 | 贵阳劲友机械加工有限公司 | Purely mechanical four-speed gearbox of electric vehicle |
| CN104373532B (en) * | 2014-10-31 | 2017-01-11 | 贵阳天友机械加工有限公司 | Purely mechanical four-speed gearbox of electric vehicle |
| WO2017096629A1 (en) * | 2015-12-11 | 2017-06-15 | 东莞市台铃车业有限公司 | Electrically-driven power unit and electric motorcycle |
| CN108448811A (en) * | 2018-05-17 | 2018-08-24 | 鹤山市恒富微型电机有限公司 | A kind of Novel speed-reducing variable speed electric motors, particularly |
| CN108448811B (en) * | 2018-05-17 | 2024-02-09 | 鹤山市恒富微型电机有限公司 | Novel speed reduction variable speed motor |
| CN110282560A (en) * | 2019-07-09 | 2019-09-27 | 缙云唐纳机械科技有限公司 | A kind of curved surface roof covering hanging apparatus |
| CN110966369A (en) * | 2019-12-04 | 2020-04-07 | 西南大学 | Intelligent double-overrunning self-adaptive automatic speed change system |
| CN110966361B (en) * | 2019-12-04 | 2023-01-24 | 西南大学 | Large-load self-adaptive automatic speed change system easy to shift gears |
| CN110949125A (en) * | 2019-12-04 | 2020-04-03 | 西南大学 | Double-overrunning self-adaptive automatic speed change system with transmission sensing function |
| CN111016604A (en) * | 2019-12-04 | 2020-04-17 | 西南大学 | Ultra-large torque double-helix double-surpassing integrated intelligent self-adaptive electric drive precursor system |
| CN111043255A (en) * | 2019-12-04 | 2020-04-21 | 西南大学 | Large-load self-adaptive automatic speed change system with smooth gear shifting |
| CN111089143A (en) * | 2019-12-04 | 2020-05-01 | 西南大学 | Intelligent super-load self-adaptive automatic speed change system with reverse gear |
| CN110966369B (en) * | 2019-12-04 | 2023-03-21 | 西南大学 | Intelligent double-overrunning self-adaptive automatic speed change system |
| CN111043255B (en) * | 2019-12-04 | 2023-03-21 | 西南大学 | High-load self-adaptive automatic speed change system with smooth gear shifting |
| CN111016604B (en) * | 2019-12-04 | 2022-03-15 | 西南大学 | Ultra-large torque double-helix double-surpassing integrated intelligent self-adaptive electric drive precursor system |
| CN111089143B (en) * | 2019-12-04 | 2023-01-24 | 西南大学 | Intelligent super-load self-adaptive automatic speed change system with reverse gear |
| CN110966361A (en) * | 2019-12-04 | 2020-04-07 | 西南大学 | Large-load self-adaptive automatic speed change system easy to shift gears |
| CN110949125B (en) * | 2019-12-04 | 2023-01-20 | 西南大学 | Double-overrunning self-adaptive automatic speed change system with transmission sensing function |
| CN110985643B (en) * | 2019-12-31 | 2023-01-24 | 西南大学 | Central drive type intelligent transmission system for vehicle |
| CN110985643A (en) * | 2019-12-31 | 2020-04-10 | 西南大学 | Central drive type intelligent transmission system for vehicle |
| US11428302B1 (en) | 2020-04-01 | 2022-08-30 | Kessler & Co. Gmbh & Co. Kg | Axle drive |
| DE102020109116B3 (en) | 2020-04-01 | 2021-09-23 | Keßler & Co.GmbH & Co.KG | Final drive |
| DE102020109097B3 (en) | 2020-04-01 | 2021-09-23 | Keßler & Co.GmbH & Co.KG | Final drive |
| CN115195434A (en) * | 2022-08-30 | 2022-10-18 | 奇瑞汽车股份有限公司 | Electric auxiliary driver, electric auxiliary driving system and new energy electric automobile |
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Open date: 20081126 |