CN201980080U - Electric vehicle motive power assembly - Google Patents

Electric vehicle motive power assembly Download PDF

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Publication number
CN201980080U
CN201980080U CN2011200280428U CN201120028042U CN201980080U CN 201980080 U CN201980080 U CN 201980080U CN 2011200280428 U CN2011200280428 U CN 2011200280428U CN 201120028042 U CN201120028042 U CN 201120028042U CN 201980080 U CN201980080 U CN 201980080U
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CN
China
Prior art keywords
gear
motor
speed
gear pair
input shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2011200280428U
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Chinese (zh)
Inventor
王旭东
唐广清
梁志海
史铭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Great Wall Motor Co Ltd filed Critical Great Wall Motor Co Ltd
Priority to CN2011200280428U priority Critical patent/CN201980080U/en
Application granted granted Critical
Publication of CN201980080U publication Critical patent/CN201980080U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/0021Transmissions for multiple ratios specially adapted for electric vehicles

Abstract

The utility model relates to a motive power device structure for an electric vehicle, in particular to an electric vehicle motive power assembly, which comprises a casing (5), a motor (1), a motive power input shaft (4), an output shaft (7), a synchronizer (8), a differential mechanism (9), a gear ring (10) and a gear shifting mechanism, wherein the motive power input shaft (4) is driven by the motor (1), the motor (1) is connected with the motive power input shaft (4) through a clutch (2), a first-gear gear pair (3) and a second-gear gear pair (6) are arranged on the input shaft (4) and the output shaft (7), and the gear shifting selection is carried out on the first-gear gear pair (3) and the second-gear gear pair (6) through the control of the gear shifting mechanism on the synchronizer (8). Through the technical scheme, the damage to the motor and the battery caused by a single-speed-radio speed changer can be eliminated, in addition, the gear shifting impact is reduced, the structure is simple, and the manufacture cost can be effectively reduced.

Description

The battery-driven car dynamic assembly
Technical field
The utility model relates to a kind of engine installation structure of battery-driven car, relates in particular to a kind of battery-driven car dynamic assembly.
Background technology
In recent years, because the pressure of the exhausted day by day and environmental protection of oil resources, safety, energy-saving and environmental protection have become the theme of current development of automobile, and the exploitation of electronlmobil has become the emphasis of auto-industry research and development.At present, each automobile enterprise has all developed the vehicle of pure electric automobile.
Electronlmobil adopts motor as propulsion source, and it has, and rotating speed height, detent torque are big, the characteristics of electric machine control speed-regulating range width, and electronlmobil all adopts the retarder of fixed speed ratio mostly, simultaneously, for simplified structure, cost-cutting, has cancelled power-transfer clutch.At present, also there is minority battery-driven car dynamic assembly to mate 2 gear change-speed boxs, but mostly is hand-operated transmission; In addition, 2 gear automatic speed variators of some high manufacture levels (as 2 grades of AMT of planet circular system form) also are not widely applied to above the battery-driven car.
When retarder cooperates with motor and since electronlmobil starting and when climbing moment of torsion big, big several times and even tens times of the electric current of current of electric during than normal operation has influence on service life of motor and storage battery, when serious even burn out motor.When motor was exported at the permanent power of high rotating speed, the big speed of climbing moment of torsion was low, and the motor horsepower output can reduce, so hill climbing ability is poor.Cancelled power-transfer clutch, driver comfort is poor, and when gearshift to the control of motor speed also need cooresponding accurately and rapidly; 2 gear automatic transmission with hydraulic torque converters of planet circular system form, its transfer torque is lower, but very high to the manufacture level requirement of gear, therefore costs an arm and a leg, and is not also adopted widely at present.
China utility model patent CN101704340A discloses a kind of power assembly for two-shift motor vehicle, drive motor and two-speed transmission link into an integrated entity, formed a modular dynamic assembly, this modular dynamic assembly is easy to assembling and maintenance, the change-speed box of this dynamic assembly is the speed-changing mechanism of two work gears, i.e. low gear, high gear.Vehicle uses the low gear operation when heavy duty is climbed, when the mild road traveling of underloading, adopt the high gear operation.Speed-changing mechanism adopts synchro to realize on second, and combine with low speed or high speed driven gear respectively by synchro and realize low speed and high-speed cruising, compact conformation, flexible operation, convenience can reduce the rating horsepower that uses motor.But adopt this technical scheme, owing to do not add power-transfer clutch, have shift impact in the shift process, the traveling comfort of car load is relatively poor.
The utility model content
Be to solve the deficiencies in the prior art, the utility model provide eliminate that single speed ratio change-speed box brings to the infringement of motor, battery and reduce the battery-driven car dynamic assembly of shift impact, it is simple in structure, can effectively reduce manufacturing cost.
For achieving the above object, battery-driven car dynamic assembly of the present utility model, comprise housing, motor, by motor-driven power input shaft, output shaft, synchro, diff, gear ring and gearshift, motor links to each other with power input shaft by power-transfer clutch, on input shaft and output shaft, be provided with one grade of gear pair and second speed gear pair, by gearshift to the control of synchro to the selection of shifting gears of one grade of gear pair and second speed gear pair.
As qualification to aforesaid way, above-mentioned gearshift comprises engine installation, the shift fork that is connected by the declutch shift shaft of lining location, with declutch shift shaft, be fixed with tooth bar on the declutch shift shaft, described engine installation extremely cooperates transmission of power with the dual gear that links to each other with tooth bar by speed reduction gearing.
Further, described engine installation is a motor.
Further, described speed reduction gearing is a speed reducing gear pair.
Adopt technique scheme, its effect is as follows:
1, adopts two grades of variable gear pairs, can carry out gear according to different demands and select, compare, can significantly improve motor, battery life, prolong the continuation of the journey mileage of automobile with the retarder of fixed speed ratio; And the MT gear shaft structure can be adopted in the inside of electronic automatic transmission, the synchro gearshift, and transferring power efficient is higher, can reduce fuel oil consumption effectively;
2, adopt power-transfer clutch to connect motor and change-speed box, can alleviate shift impact, increase the car load traveling comfort, reduce requirement the drive motor control accuracy;
3 electronic selector pinion-and-rack systems directly insert case of transmission, have reduced transmission dimensions, have saved the space; Need not again its gear to be sealed, and can adopt transmission gear oil, reduced by a lubricating system, reduced cost the selector gear lubrication.
Description of drawings
Below in conjunction with the drawings and the specific embodiments the utility model is done further to describe in detail:
Fig. 1 is an integral structure scheme drawing of the present utility model;
Fig. 2 is the structural representation of the utility model gearshift.
Among the figure:
1, motor; 2, power-transfer clutch; 3, one grade of gear pair; 4, input shaft; 5, housing; 6, second speed gear pair; 7, output shaft; 8, synchro; 9, diff; 10, gear ring; 11, engine installation; 12, declutch shift shaft; 13, speed reduction gearing; 14, shift fork; 15, lining; 16, tooth bar; 17, dual gear.
The specific embodiment
By as can be known shown in Figure 1, battery-driven car dynamic assembly of the present utility model, the power input shaft 4, output shaft 7, synchro 8, diff 9, gear ring 10 and the gearshift that comprise housing 5, motor 1, drive by motor 1, motor 1 links to each other with power input shaft 4 by power-transfer clutch 2, on input shaft 4 and output shaft 7, be provided with one grade of gear pair 3 and second speed gear pair 6, by gearshift to the control of synchro 8 to the selection of shifting gears of one grade of gear pair 3 and second speed gear pair 6.
By as can be known shown in Figure 2, gearshift comprises engine installation 11, the shift fork 14 that is connected by the declutch shift shaft 12 of lining 15 location, with declutch shift shaft 12, be fixed with tooth bar 16 on the declutch shift shaft 12, described engine installation 11 extremely cooperates transmission of power with the dual gear 17 that links to each other with tooth bar 16 by speed reduction gearing 13.Engine installation 11 is a motor.Speed reduction gearing 13 is a speed reducing gear pair.
Aforesaid way is the description to the utility model dynamic assembly structure, in the specific implementation, should cooperate the control corresponding system, and the principle of work during below to concrete enforcement is summarized as follows.
In use, gear position sensor detects gear signal, is transferred to controller, as at the parking gear, and then motor 1 stall; As advancing or backward gear, then motor 1 starts.Input, output speed sensor are housed in change-speed box, tach signal and acceleration pedal signal are transferred to controller, controller is by after calculating relevant information, send control command, motor speed is changed, engine installation 11 drives shift fork 14 generation linearly operatings simultaneously, realizes the mutual switching of height gear.Specifically, controller converts gear signal to electric signal transmission and gives engine installation 11, controls its rotation, increases by speed reduction gearing 13 and turns round deceleration, and process declutch shift shaft tooth bar 16 becomes the rotation of motor into straight-line motion; Declutch shift shaft 12 is connected with shift fork 14, and shift fork 14 is connected and drives it with synchro 8 teeth cover and moves, and then realizes the switching between a grade and the second gear.
When starting and low speed driving, disengaging of clutch passes through shift process then, and synchro 8 connects the big gear wheel of output shaft 7 and one grade of gear pair 3, and controller is adjusted motor speed power-transfer clutch 2 slow combinations simultaneously; Power is by passing to output shaft 7 after input shaft 4, one grade of gear pair 3, the output gear of output shaft 7 and diff 9 gears mesh, and then export wheel to; When running at high speed during with low speed driving principle of work be the same, what just this moment, synchronizer gear sleeve was connected is the big gear wheel of second speed gear pair, power is delivered to output shaft 7 through input shaft 4, second speed gear pair 6, again through diff with transmission of power to wheel; Time work original paper is identical with power path with low speed driving for reverse travel, and power transmits by one grade of gear pair during reverse gear, and this moment, motor reversed, and the realization vehicle falls back and travels; When braking energy reclaimed, the gear running state was constant, and power transfer path is identical, and just direction is opposite, is delivered to motor by wheel, and electric power generation is realized energy recovery.

Claims (4)

1. battery-driven car dynamic assembly, comprise housing (5), motor (1), power input shaft (4) by motor (1) driving, output shaft (7), synchro (8), diff (9), gear ring (10) and gearshift, it is characterized in that: described motor (1) links to each other with power input shaft (4) by power-transfer clutch (2), on input shaft (4) and output shaft (7), be provided with one grade of gear pair (3) and second speed gear pair (6), by gearshift to the control of synchro (8) to the selection of shifting gears of one grade of gear pair (3) and second speed gear pair (6).
2. battery-driven car dynamic assembly according to claim 1, it is characterized in that: described gearshift comprises engine installation (11), the shift fork (14) that is connected by the declutch shift shaft (12) of lining (15) location, with declutch shift shaft (12), be fixed with tooth bar (16) on the declutch shift shaft (12), described engine installation (11) extremely cooperates transmission of power with the dual gear (17) that links to each other with tooth bar (16) by speed reduction gearing (13).
3. battery-driven car dynamic assembly according to claim 2 is characterized in that: described engine installation (11) is a motor.
4. battery-driven car dynamic assembly according to claim 2 is characterized in that: described speed reduction gearing (13) is a speed reducing gear pair.
CN2011200280428U 2011-01-27 2011-01-27 Electric vehicle motive power assembly Expired - Lifetime CN201980080U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200280428U CN201980080U (en) 2011-01-27 2011-01-27 Electric vehicle motive power assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200280428U CN201980080U (en) 2011-01-27 2011-01-27 Electric vehicle motive power assembly

Publications (1)

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CN201980080U true CN201980080U (en) 2011-09-21

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CN2011200280428U Expired - Lifetime CN201980080U (en) 2011-01-27 2011-01-27 Electric vehicle motive power assembly

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102562965A (en) * 2012-01-13 2012-07-11 浙江吉利汽车研究院有限公司 Two-gear speed changer with magnetic powder clutch for electric automobile
CN102678850A (en) * 2012-05-04 2012-09-19 安玉森 Two-gear automatic gearbox for automobiles
CN102797800A (en) * 2012-09-03 2012-11-28 重庆通盛建设工业有限公司 Shift speed-changing system for electric vehicles
CN103291855A (en) * 2013-06-07 2013-09-11 南京唯高机械制造有限公司 Speed change feeding box
WO2014005698A1 (en) * 2012-07-04 2014-01-09 Audi Ag Drive device for motor vehicles, in particular decouplable drive systems
CN103557316A (en) * 2013-11-23 2014-02-05 合肥工业大学 Screw-nut gear-shifting mechanism for automatic two-gear transmission of electric car
CN103791074A (en) * 2014-03-01 2014-05-14 姜国清 Electric automatic gear shifting tricycle or quadricycle rear-drive shifter
CN105626850A (en) * 2016-04-06 2016-06-01 杜秀荣 Automatic transmission of electric vehicle
CN106763725A (en) * 2017-03-23 2017-05-31 深圳东风汽车有限公司 Electric automobile and its two grades of automatic shifting controllers
WO2017114423A1 (en) * 2015-12-31 2017-07-06 Byd Company Limited Electric drive axle assembly and vehicle having the electric drive axle assembly
CN106931085A (en) * 2015-12-31 2017-07-07 重庆硬核派传动科技有限公司 A kind of four-speed gear box used for electric vehicle
CN109968972A (en) * 2017-12-28 2019-07-05 陕西汽车集团有限责任公司 The rear axle assy and process for gear of electronic integrated vehicle automatic shifting transmission
CN110065519A (en) * 2019-04-09 2019-07-30 刘彦杰 A kind of attachment device with buffering effect for Coal Transportation vehicle

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102562965B (en) * 2012-01-13 2015-03-04 浙江吉利汽车研究院有限公司 Two-gear speed changer with magnetic powder clutch for electric automobile
CN102562965A (en) * 2012-01-13 2012-07-11 浙江吉利汽车研究院有限公司 Two-gear speed changer with magnetic powder clutch for electric automobile
CN102678850A (en) * 2012-05-04 2012-09-19 安玉森 Two-gear automatic gearbox for automobiles
CN102678850B (en) * 2012-05-04 2015-03-18 安玉森 Two-gear automatic gearbox for automobiles
WO2014005698A1 (en) * 2012-07-04 2014-01-09 Audi Ag Drive device for motor vehicles, in particular decouplable drive systems
CN102797800A (en) * 2012-09-03 2012-11-28 重庆通盛建设工业有限公司 Shift speed-changing system for electric vehicles
CN103291855A (en) * 2013-06-07 2013-09-11 南京唯高机械制造有限公司 Speed change feeding box
CN103291855B (en) * 2013-06-07 2015-07-08 南京唯高机械制造有限公司 Speed change feeding box
CN103557316A (en) * 2013-11-23 2014-02-05 合肥工业大学 Screw-nut gear-shifting mechanism for automatic two-gear transmission of electric car
CN103791074A (en) * 2014-03-01 2014-05-14 姜国清 Electric automatic gear shifting tricycle or quadricycle rear-drive shifter
CN103791074B (en) * 2014-03-01 2017-01-11 姜国清 Electric automatic gear shifting tricycle or quadricycle rear-drive shifter
WO2017114423A1 (en) * 2015-12-31 2017-07-06 Byd Company Limited Electric drive axle assembly and vehicle having the electric drive axle assembly
CN106931085A (en) * 2015-12-31 2017-07-07 重庆硬核派传动科技有限公司 A kind of four-speed gear box used for electric vehicle
CN105626850A (en) * 2016-04-06 2016-06-01 杜秀荣 Automatic transmission of electric vehicle
CN106763725A (en) * 2017-03-23 2017-05-31 深圳东风汽车有限公司 Electric automobile and its two grades of automatic shifting controllers
CN109968972A (en) * 2017-12-28 2019-07-05 陕西汽车集团有限责任公司 The rear axle assy and process for gear of electronic integrated vehicle automatic shifting transmission
CN110065519A (en) * 2019-04-09 2019-07-30 刘彦杰 A kind of attachment device with buffering effect for Coal Transportation vehicle

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CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20110921