CN205202728U - Automobile -used biax power drive system that connects in parallel - Google Patents

Automobile -used biax power drive system that connects in parallel Download PDF

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Publication number
CN205202728U
CN205202728U CN201521031108.3U CN201521031108U CN205202728U CN 205202728 U CN205202728 U CN 205202728U CN 201521031108 U CN201521031108 U CN 201521031108U CN 205202728 U CN205202728 U CN 205202728U
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China
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gear
drive motor
input shaft
sliding hub
output shaft
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CN201521031108.3U
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李占江
高超
李响
李艳会
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Nanjing Yuebo Power System Co Ltd
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Nanjing Yuebo Power System Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

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Abstract

The utility model relates to an automobile -used biax power drive system that connects in parallel, including driving motor I, driving motor II and automatically controlled mechanical type automatic gearbox, automatically controlled mechanical type automatic gearbox includes and one keeps off the gear mesh, two keeps off gear meshs, three keeps off gear meshs, fourth speed gear mesh, clutch collar I, clutch collar II, transmission input shaft I, transmission input shaft II and derailleur output shaft III. The utility model discloses a superior effect lies in: the system has driving motor and automatically controlled mechanical type automatic gearbox, its simple structure, and it is reasonable to arrange, and acceleration and climbing capability are higher, and it is smooth -going to shift, can guarantee again that power is uninterrupted, in the go production of required power of the in -process continuity of shifting gears, simultaneously, can travel the kinetic energy that produces with the vehicle and turn into the electric energy when the braking, save electric energy loss to reduce the battery cost, improve the continuous mileage of sailing of vehicle.

Description

A kind of automobile-used twin shaft power drive system in parallel
Technical field
The utility model relates to technical field of electric vehicle transmission, is specifically related to a kind of automobile-used twin shaft power drive system in parallel.
Background technology
Environmental protection and energy-conservation be major issue faced by the 21st century whole world, Chinese Government it is also proposed the Industry Development Policy of fundamental state policy and the encourage growth small displacement energy-efficient automobile of building a conservation-minded society, and electronlmobil is one of important means of realizing this goal.
Existing market applies more pure electric drive system to be had: the conventional drive system of many gear drivings device and band power-transfer clutch, many gear drivings device and the drive system not with power-transfer clutch, two independently drive motor and with the fixed stop driving device of axle drive shaft, drive motor and first stage decelerator driving device; Wherein, the conventional drive system accelerating ability of many gear drivings device and band power-transfer clutch is better, but dynamic interruption during gearshift; Many gears driving device and the drive system driving efficiency not with power-transfer clutch higher, there is no power interruption; Drive motor and first stage decelerator driving device can realize stepless change, but accelerating ability, hill climbing ability are poor, and the efficiency of drive motor does not give full play to.
In addition, automobile is different with the demand of the stage of running at high speed to power in the stage of giving it the gun, low speed driving stage, if adopt single motor to drive, motor is difficult to be operated in high-efficiency operation district always, thus easily causes the waste of electric energy.
Utility model content
In order to overcome defect of the prior art, the utility model provides a kind of automobile-used twin shaft power drive system in parallel.Described system has drive motor and electric control mechanical type automatic speed variator, and its structure is simple, connection and reasonable arrangement, accelerating ability and hill climbing ability higher, and smooth gear shifting, can ensure that again power does not interrupt; In shift process, continuity travels the generation of required drive; Meanwhile, vehicle can be travelled the kinetic energy produced and be converted into electric energy when braking, save electric energy loss, thus reduce battery cost, improve the continual mileage of vehicle.
The utility model is achieved by the following technical solution:
A kind of automobile-used twin shaft power drive system in parallel, comprise drive motor I, drive motor II and electric control mechanical type automatic speed variator, described electric control mechanical type automatic speed variator comprise by gear I to engage with gear III first gear that forms to, to be engaged with gear III by gear V second gear that forms to, by gear II to engage with gear IV form three keep off gear mesh, by gear VI to engage with gear IV form four keep off gear mesh, sliding hub I, sliding hub II, input shaft I, input shaft II and transmission output shaft III; Wherein,
Described gear I is all placed in input shaft I with gear II, described gear III is fixedly connected with transmission output shaft III with gear IV, described gear V is all placed in input shaft II with gear VI, the output shaft of drive motor I is connected with input shaft I, the output shaft of drive motor II is connected with input shaft II, described sliding hub I is sheathed on input shaft I, and be arranged between gear I and gear II, described sliding hub I can with gear I, gear II combines or is separated, described sliding hub II is sheathed on input shaft II, and be arranged between gear V and gear VI, described sliding hub II can with gear V, gear VI combines or is separated.
The utility model provides the shift control method of a kind of automobile-used twin shaft power drive system in parallel, the power take-off shaft of drive motor I, drive motor II provides three gears, be coupled with electric control mechanical type automatic speed variator by drive motor I, drive motor II, drive motor I and drive motor II drive and can realize the conversion of three gears when battery electric quantity abundance, and three described gears are respectively speed gear in double-motor bottom gear, double-motor, double-motor top gear.
Described technical scheme is preferably, during described automobile-used twin shaft power drive system employing in parallel double-motor bottom gear, its step at least comprises: sliding hub I is combined with gear I, gear I is fixedly connected with input shaft I, and sliding hub II is combined with gear V, gear V is fixedly connected with, the rotating speed of drive motor I, drive motor II and turn to all identical with input shaft II; Now, the transmission route of power is: the power exported by drive motor I, after the output shaft of drive motor I, input shaft I, sliding hub I, gear I, gear III, is exported by transmission output shaft III; And the power to be exported by drive motor II, after the output shaft of drive motor II, input shaft II, sliding hub II, gear V, gear III, exported by transmission output shaft III.
Described technical scheme is preferably, in described automobile-used twin shaft power drive system employing in parallel double-motor during speed gear, its step at least comprises: by regulating the rotating speed of drive motor I, when the rotating speed of drive motor I is identical with the rotating speed of drive motor II, sliding hub I is combined with gear II, gear II is fixedly connected with input shaft I, and sliding hub I is separated with gear I, gear I dallies; Now, power transmission route is: the power exported by drive motor I, after the output shaft of drive motor I, input shaft I, sliding hub I, gear II, gear IV, is exported by transmission output shaft III; Sliding hub II is combined with gear V, and gear V is fixedly connected with input shaft II, and sliding hub II is separated with gear VI, gear VI dallies; Now, power transmission route is: the power exported by drive motor II, after the output shaft of drive motor II, input shaft II, sliding hub II, gear V, gear III, is exported by transmission output shaft III.
Described technical scheme is preferably, during described automobile-used twin shaft power drive system employing in parallel double-motor top gear, its step at least comprises: sliding hub I is combined with gear II, and gear II is fixedly connected with input shaft I, sliding hub I is separated with gear I, and gear I dallies; And sliding hub II is combined with gear VI, gear VI is fixedly connected with input shaft II, and sliding hub II is separated with gear V, and gear V dallies; The rotating speed of drive motor I, drive motor II and turn to all identical; Now, the transmission route of power is: the power exported by drive motor I, after the output shaft of drive motor I, input shaft I, sliding hub I, gear II, gear IV, is exported by transmission output shaft III; And the power to be exported by drive motor II, after the output shaft of drive motor II, input shaft II, sliding hub II, gear VI, gear IV, exported by transmission output shaft III.
Described technical scheme is preferably, and when described automobile-used twin shaft power drive system in parallel changes double-motor top gear into from double-motor bottom gear, its step at least comprises:
Step 1: automobile-used twin shaft power drive system in parallel transits to drive motor I from double-motor bottom gear and works independently in bottom gear, sliding hub I is separated with gear II, gear II dallies, the power transmission route of drive motor I is: the power exported by drive motor I, after the output shaft of drive motor I, input shaft I, sliding hub I, gear I, gear III, exported by transmission output shaft III;
Step 2: described drive motor I works independently and transits to drive motor I in bottom gear and work in bottom gear with drive motor II simultaneously: the rotating speed regulating drive motor II, when its rotating speed is identical with transmission output shaft II rotating speed, sliding hub II is combined with gear V, and gear V input shaft II is fixedly connected with; Now, the power transmission route of drive motor I is: the power exported by drive motor I, through drive motor I output shaft, input shaft I, sliding hub I, gear I, gear III, exported by transmission output shaft III; The power transmission route of drive motor II is: after the output shaft of drive motor II, input shaft II, sliding hub II, gear V, gear III, exported by transmission output shaft III;
Step 3: described drive motor I and drive motor II work in bottom gear simultaneously and transit to drive motor II and work independently in bottom gear, and sliding hub I is separated with gear I, and gear I dallies; Now, the power transmission route of drive motor II is: after the output shaft of drive motor II, input shaft II, sliding hub II, gear V, gear III, exported by transmission output shaft III;
Step 4: described drive motor II works independently in bottom gear and transits to speed gear in double-motor, regulate the rotating speed of drive motor I, when its rotating speed is identical with the rotating speed of drive motor II, sliding hub I is combined with gear II, and gear II is fixedly connected with input shaft I; The power transmission route of drive motor I is: after the output shaft of drive motor I, input shaft I, sliding hub I, gear II, gear IV, exported by transmission output shaft III; The power transmission route of drive motor II is: after the output shaft of drive motor II, input shaft II, sliding hub II, gear V, gear III, exported by transmission output shaft III;
Step 5: drive motor I and drive motor II transit to drive motor I by speed gear in double-motor and work independently in top gear, sliding hub II is separated with gear V, gear V dallies, now, the power transmission route of drive motor I is: after the output shaft of drive motor I, input shaft I, sliding hub I, gear II, gear IV, exported by transmission output shaft III;
Step 6: work independently in top gear from drive motor I and transit to double-motor top gear, regulate the rotating speed of drive motor II, when its rotating speed is identical with the rotating speed of drive motor I, sliding hub II is combined with gear VI, and gear VI is fixedly connected with input shaft II; Now, the power transmission route of drive motor I is: after the output shaft of drive motor I, input shaft I, sliding hub I, gear II, gear IV, exported by transmission output shaft III; The power transmission route of drive motor II is: through drive motor II output shaft, after input shaft II, sliding hub II, gear VI, gear IV, exported by transmission output shaft III.
Described technical scheme is preferably, and when described automobile-used twin shaft power drive system in parallel changes double-motor bottom gear into from double-motor top gear, its step at least comprises:
Step 1: automobile-used twin shaft power drive system in parallel transits to drive motor I from double-motor top gear and works independently in top gear, and sliding hub II is separated with gear VI, and gear VI dallies; Now, the power transmission route of drive motor I is: after the output shaft of drive motor I, input shaft I, sliding hub I, gear II, gear IV, exported by transmission output shaft III;
Step 2: drive motor I works independently in top gear and transits to double-motor middle apron, sliding hub II is combined with gear V, gear V is fixedly connected with input shaft II, now, the power transmission route of drive motor I is: by the output shaft of drive motor I, after input shaft I, sliding hub I, gear II, gear IV, exported by transmission output shaft III; The power transmission route of drive motor II is: by the output shaft of drive motor II, after input shaft II, sliding hub II, gear V, gear III, is exported by transmission output shaft III;
Step 3: described drive motor I transits to drive motor II with drive motor II from double-motor middle apron and works independently in bottom gear, and sliding hub I is separated with gear II, and gear II dallies; The power transmission route of drive motor II is: by the output shaft of drive motor II, after input shaft II, sliding hub II, gear V, gear III, is exported by transmission output shaft III;
Step 4: drive motor II works independently and transits to drive motor I in bottom gear and work in bottom gear with drive motor II simultaneously: sliding hub I is combined with gear I, and gear I is fixedly connected with input shaft I; Now, the power transmission route of drive motor I is: by the output shaft of drive motor I, after input shaft I, sliding hub I, gear I, gear III, is exported by transmission output shaft III; The power transmission route of drive motor II is: by the output shaft of drive motor II, after input shaft II, sliding hub II, gear V, gear III, is exported by transmission output shaft III.
Described technical scheme is preferably, described shift control method also comprises control method of reversing gear, its step at least comprises: when reversing gear, and drive motor I works independently, and drive motor I contrarotation, sliding hub I is combined with gear I, gear I is fixedly connected with input shaft I, and sliding hub I is separated with gear II, and gear II dallies, meanwhile, sliding hub II is separated with gear V, gear VI respectively; The power transmission route of drive motor I is: by the output shaft of drive motor I, after input shaft I, sliding hub I, gear I, gear III, is exported by transmission output shaft III.
Described technical scheme is preferably, and when the shift control method of described automobile-used twin shaft power drive system in parallel adopts speed gear in double-motor bottom gear, double-motor, double-motor top gear to work respectively, the steps include:
When vehicle travels in the mode activated of double-motor bottom gear, braked by brake pedal, now power transmission route is: the power of brake pedal input is successively after transmission output shaft III, gear III, one tunnel drags drive motor I generating through gear I, sliding hub I, input shaft I, and another road drags drive motor II generating after gear V, sliding hub II, input shaft II; Mechanical braking is switched to when battery electric quantity is full of;
When the mode activated of vehicle speed gear in double-motor travels, braked by brake pedal, now power transmission route is: the power of brake pedal input is after transmission output shaft III, one tunnel drags drive motor I generating through gear IV, gear II, sliding hub I, input shaft I, and another road drags drive motor II generating through gear III, gear V, sliding hub II, input shaft II; Mechanical braking is switched to when battery electric quantity is full of;
When vehicle travels in the mode activated of double-motor top gear, braked by brake pedal, now power transmission route is: the power of brake pedal input is successively after transmission output shaft III, gear IV, one tunnel drags drive motor I generating through gear II, sliding hub I, input shaft I, and another road drags drive motor II generating through gear VI, sliding hub II, input shaft II; Mechanical braking is switched to when battery electric quantity is full of.
Compared with prior art, superior effect of the present utility model is:
(1) described automobile-used twin shaft power drive system in parallel effectively can utilize the high-efficiency operation district of drive motor, power failure-free during gearshift, and climbing acceleration capability is excellent, and structure is simple, and cost is low;
(2) because electric control mechanical type automatic speed variator arranges three gears, improve acceleration capability and the grade climbing performance of vehicle, rational allocation Power output, makes full use of electric-powered, thus reaches the object of energy-conserving and environment-protective and reduction use cost;
(3) adopt Dual-motors Driving, make vehicle no matter be in accelerating mode, speed operation and high-speed working condition, driven by single motor and switch with the pattern of Dual-motors Driving, make drive motor be operated in high-efficiency operation district always, avoid waste of energy;
(4) drive motor I can forward, rotate backward, during reversing, rotated backward realize reverse travel by drive motor I, now, drive motor II can not work.
(5) carry out Brake energy recovery during braking, the mouth of energy regenerating is drive motor; Input end is that the braking of wheel of vehicle travels, and drive motor becomes generating state from driving condition, and energy, from wheel to drive motor, realizes Brake energy recovery; Reduce the degradation of energy of battery, reduce battery cost simultaneously, improve the continual mileage of drive motor.
Accompanying drawing explanation
Fig. 1 is the structural representation of automobile-used twin shaft described in the utility model power drive system in parallel;
Fig. 2 is automobile-used twin shaft power drive system in parallel power transmission course diagram when double-motor bottom gear in Fig. 1;
Fig. 3 is automobile-used twin shaft power drive system in parallel power transmission course diagram during speed gear in double-motor in Fig. 1;
Fig. 4 is automobile-used twin shaft power drive system in parallel power transmission course diagram when double-motor top gear in Fig. 1;
The power transmission course diagram that Fig. 5 a works independently when the bottom gear for drive motor I in the power drive system in parallel of automobile-used twin shaft described in Fig. 1;
The power transmission course diagram that Fig. 5 b works independently when the bottom gear for drive motor II in the power drive system in parallel of automobile-used twin shaft described in Fig. 1;
The power transmission course diagram that Fig. 5 c works independently when the top gear for drive motor I in the power drive system in parallel of automobile-used twin shaft described in Fig. 1;
Fig. 6 is twin shaft automobile-used described in Fig. 1 power drive system in parallel power transmission course diagram when reversing gear;
Fig. 7 is the power drive system in parallel of automobile-used twin shaft described in Fig. 1 power transmission course diagram when double-motor bottom gear;
Fig. 8 is the power drive system in parallel of automobile-used twin shaft described in Fig. 1 power transmission course diagram during speed gear in double-motor;
Fig. 9 is the power drive system in parallel of automobile-used twin shaft described in Fig. 1 power transmission course diagram when double-motor top gear.
Reference numeral is as follows:
The output shaft of 1-drive motor I, 2-drive motor I, 3-gear I, 4-sliding hub I, 5-gear II, 6-input shaft I, 7-gear III, 8-gear IV, 9-transmission output shaft III, 10-gear VI, 11-input shaft II, 12-sliding hub II, 13-gear V, the output shaft of 14-drive motor II, 15-drive motor II.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model detailed description of the invention is described in further detail.
As shown in Figure 1, the automobile-used twin shaft of one described in the utility model power drive system in parallel, comprise two drive motor and a clutch end, described drive motor is drive motor I 1, drive motor II 15, and described clutch end is electric control mechanical type automatic speed variator.Electric control mechanical type automatic speed variator described in the utility model comprise by gear I 3 to engage with gear III 7 first gear that forms to, to be engaged with gear III 7 by gear V 13 second gear that forms to, by gear II 5 to engage with gear IV 8 form three keep off gear mesh, by gear VI 10 to engage with gear IV 8 form four keep off gear mesh, sliding hub I 4, sliding hub II 12, input shaft I 6, input shaft II 11 and transmission output shaft III 9, wherein, described gear I 3 is all placed in input shaft I 6 with gear II 5, described gear III 7 is fixedly connected with transmission output shaft III 9 with gear IV 8, described gear V 13 is all placed in input shaft II 11 with gear VI 10, the output shaft 2 of drive motor I is connected with input shaft I 6, the output shaft 14 of drive motor II is connected with input shaft II 11, described sliding hub I 4 is sheathed on input shaft I 6, and be arranged between gear I 3 and gear II 5, described sliding hub I 4 can with gear I 3, gear II 5 combines or is separated, described sliding hub II 12 is sheathed on input shaft II 11, and be arranged between gear V 13 and gear VI 10, described sliding hub II 12 can with gear V 13, gear VI 10 combines or is separated, thus realize drive motor I 1, the speed adjustment of drive motor II 15, and realize the gearshift of electric control mechanical type automatic speed variator.
The utility model provides the shift control method of a kind of automobile-used twin shaft power drive system in parallel, have employed automobile-used twin shaft power drive system in parallel, described drive motor I 1, the power take-off shaft of drive motor II 15 provide three gears, be coupled with electric control mechanical type automatic speed variator by drive motor I 1, drive motor II 15, drive motor I 1 and drive motor II 15 jointly drive and can realize the conversion of three gears when battery electric quantity abundance, and three described gears are respectively speed gear in double-motor bottom gear, double-motor, double-motor top gear; Drive motor I 1 simultaneously, drive motor II 15 can also work independently, and meet the real work demand of drive motor.
Automobile-used twin shaft described in the utility model power drive system in parallel adopts control method when speed gear in double-motor bottom gear, double-motor, double-motor top gear respectively:
As shown in Figure 2, during described automobile-used twin shaft power drive system employing in parallel double-motor bottom gear, the step of its control method comprises: sliding hub I 4 is combined with gear I 3, gear I 3 is fixedly connected with input shaft I 6, and sliding hub II 12 is combined with gear V 13, gear V 13 is fixedly connected with, the rotating speed of drive motor I 1, drive motor II 15 and turn to all identical with input shaft II 11; Now, the transmission route of power is: the power exported by drive motor I 1, after the output shaft 2 of drive motor I, input shaft I 6, sliding hub I 4, gear I 3, gear III 7, is exported by transmission output shaft III 9; And the power to be exported by drive motor II 15, after the output shaft 14 of drive motor II, input shaft II 11, sliding hub II 12, gear V 13, gear III 7, exported by transmission output shaft III 9.
As shown in Figure 3, in described automobile-used twin shaft power drive system employing in parallel double-motor during speed gear, the step of its control method comprises: by regulating the rotating speed of drive motor I 1, when the rotating speed of drive motor I 1 is identical with the rotating speed of drive motor II 15, sliding hub I 4 is combined with gear II 5, gear II 5 is fixedly connected with input shaft I 6, and sliding hub I 4 is separated with gear I 3, gear I 3 dallies; Now, power transmission route is: the power exported by drive motor I 1, after the output shaft 2 of drive motor I, input shaft I 6, sliding hub I 4, gear II 5, gear IV 8, is exported by transmission output shaft III 9; Sliding hub II 12 is combined with gear V 13, gear V 13 is fixedly connected with input shaft II 11, and sliding hub II 12 is separated with gear VI 10, and gear VI 10 dallies; Now, power transmission route is: the power exported by drive motor II 15, after the output shaft 14 of drive motor II, input shaft II 11, sliding hub II 12, gear V 13, gear III 7, is exported by transmission output shaft III 9.
As shown in Figure 4, during described automobile-used twin shaft power drive system employing in parallel double-motor top gear, the step of its control method comprises: sliding hub I 4 is combined with gear II 5, and gear II 5 is fixedly connected with input shaft I 6, sliding hub I 4 is separated with gear I 3, and gear I 3 dallies; And sliding hub II 12 is combined with gear VI 10, gear VI 10 is fixedly connected with input shaft II 11, and sliding hub II 12 is separated with gear V 13, and gear V 13 dallies; The rotating speed of drive motor I 1, drive motor II 15 and turn to all identical; Now, the transmission route of power is: the power exported by drive motor I 1, after the output shaft 2 of drive motor I, input shaft I 6, sliding hub I 4, gear II 5, gear IV 8, is exported by transmission output shaft III 9; And the power to be exported by drive motor II 15, after the output shaft 14 of drive motor II, input shaft II 11, sliding hub II 12, gear VI 10, gear IV 8, exported by transmission output shaft III 9.
When automobile-used twin shaft described in the utility model power drive system in parallel adopts speed gear in double-motor bottom gear, double-motor, double-motor top gear respectively, its shift control method is as follows:
One, described automobile-used twin shaft power drive system in parallel changes the shift control method of double-motor top gear into from double-motor bottom gear, automobile-used twin shaft power drive system in parallel experience in shift process drive motor I 1 work independently in bottom gear, drive motor I 1 work in bottom gear with drive motor II 15 simultaneously, work independently speed gear, drive motor I 1 in bottom gear, double-motor of drive motor II 15 work independently in the transition of top gear, completes the conversion of double-motor bottom gear to double-motor top gear; Concrete steps comprise:
Step 1: automobile-used twin shaft power drive system in parallel transits to drive motor I 1 from double-motor bottom gear and works independently in bottom gear, sliding hub I 4 is separated with gear II 5, gear II 5 dallies, the power transmission route of drive motor I 1 is: the power exported by drive motor I 1, after the output shaft 2 of drive motor I, input shaft I 6, sliding hub I 4, gear I 3, gear III 7, exported by transmission output shaft III 9, as shown in Figure 5 a;
Step 2: described drive motor I 1 works independently and transits to drive motor I 1 in bottom gear and work in bottom gear with drive motor II 15 simultaneously: the rotating speed regulating drive motor II 15, when its rotating speed is identical with transmission output shaft II rotating speed, sliding hub II 12 is combined with gear V 13, and gear V 13 input shaft II 11 is fixedly connected with; Now, the power transmission route of drive motor I 1 is: by drive motor I 1 export power, through drive motor I output shaft 2, input shaft I 6, sliding hub I 4, gear I 3, gear III 7, exported by transmission output shaft III 9; The power transmission route of drive motor II 15 is: after the output shaft 14 of drive motor II, input shaft II 11, sliding hub II 12, gear V 13, gear III 7, is exported, as shown in Figure 2 by transmission output shaft III 9;
Step 3: described drive motor I 1 and drive motor II 15 work in bottom gear simultaneously and transit to drive motor II 15 and work independently in bottom gear, and sliding hub I 4 is separated with gear I 3, and gear I 3 dallies; Now, the power transmission route of drive motor II 15 is: after the output shaft 14 of drive motor II, input shaft II 11, sliding hub II 12, gear V 13, gear III 7, is exported, as Fig. 5 b by transmission output shaft III 9;
Step 4: described drive motor II 15 works independently in bottom gear and transits to speed gear in double-motor, regulate the rotating speed of drive motor I 1, when its rotating speed is identical with the rotating speed of drive motor II 15, sliding hub I 4 is combined with gear II 5, and gear II 5 is fixedly connected with input shaft I 6; The power transmission route of drive motor I 1 is: after the output shaft 2 of drive motor I, input shaft I 6, sliding hub I 4, gear II 5, gear IV 8, exported by transmission output shaft III 9; The power transmission route of drive motor II 15 is: after the output shaft 14 of drive motor II, input shaft II 11, sliding hub II 12, gear V 13, gear III 7, is exported, as shown in Figure 3 by transmission output shaft III 9;
Step 5: drive motor I 1 and drive motor II 15 transit to drive motor I 1 by speed gear in double-motor and work independently in top gear, sliding hub II 12 is separated with gear V 13, gear V 13 dallies, now, the power transmission route of drive motor I 1 is: after the output shaft 2 of drive motor I, input shaft I 6, sliding hub I 4, gear II 5, gear IV 8, exported by transmission output shaft III 9, as shown in Figure 5 c;
Step 6: work independently in top gear from drive motor I 1 and transit to double-motor top gear, regulate the rotating speed of drive motor II 15, when its rotating speed is identical with the rotating speed of drive motor I 1, sliding hub II 12 is combined with gear VI 10, and gear VI 10 is fixedly connected with input shaft II 11; Now, the power transmission route of drive motor I 1 is: after the output shaft 2 of drive motor I, input shaft I 6, sliding hub I 4, gear II 5, gear IV 8, exported by transmission output shaft III 9; The power transmission route of drive motor II 15 is: through the output shaft 14 of drive motor II, after input shaft II 11, sliding hub II 12, gear VI 10, gear IV 8, is exported, as shown in Figure 4 by transmission output shaft III 9.
Two, described automobile-used twin shaft power drive system in parallel changes the shift control method of double-motor bottom gear into from double-motor top gear, automobile-used twin shaft power drive system in parallel experiences drive motor I 1 and works independently in top gear, double-motor middle apron, drive motor II 15 and work independently in the transition of bottom gear in shift process, completes the conversion that double-motor top gear changes double-motor bottom gear into; Concrete steps comprise:
Step 1: automobile-used twin shaft power drive system in parallel transits to drive motor I 1 from double-motor top gear and works independently in top gear, and sliding hub II 12 is separated with gear VI 10, and gear VI 10 dallies; Now, the power transmission route of drive motor I is: after the output shaft of drive motor I, input shaft I 6, sliding hub I 4, gear II 5, gear IV 8, is exported, as shown in Figure 5 c by transmission output shaft III 9;
Step 2: drive motor I 1 works independently in top gear and transits to double-motor middle apron, sliding hub II 12 is combined with gear V 13, gear V 13 is fixedly connected with input shaft II 11, now, the power transmission route of drive motor I 1 is: by the output shaft 2 of drive motor I, after input shaft I 6, sliding hub I 4, gear II 5, gear IV 8, exported by transmission output shaft III 9; The power transmission route of drive motor II 15 is: by the output shaft 14 of drive motor II, after input shaft II 11, sliding hub II 12, gear V 13, gear III 7, is exported, as shown in Figure 3 by transmission output shaft III 9;
Step 3: described drive motor I 1 transits to drive motor II 15 with drive motor II 15 from double-motor middle apron and works independently in bottom gear, and sliding hub I 4 is separated with gear II 5, and gear II 5 dallies; The power transmission route of drive motor II 15 is: by the output shaft 14 of drive motor II, after input shaft II 11, sliding hub II 12, gear V 13, gear III 7, is exported, as shown in Figure 5 b by transmission output shaft III 9;
Step 4: drive motor II 15 works independently and transits to drive motor I 1 in bottom gear and work in bottom gear with drive motor II 15 simultaneously: sliding hub I 4 is combined with gear I 3, and gear I 3 is fixedly connected with input shaft I 6; Now, the power transmission route of drive motor I 1 is: by the output shaft 2 of drive motor I, after input shaft I 6, sliding hub I 4, gear I 3, gear III 7, is exported by transmission output shaft III 9; The power transmission route of drive motor II 15 is: by the output shaft 14 of drive motor II, after input shaft II 11, sliding hub II 12, gear V 13, gear III 7, is exported, as shown in Figure 2 by transmission output shaft III 9.
The shift control method of automobile-used twin shaft described in the utility model power drive system in parallel, also comprise control method of reversing gear, the rate-determining steps that reverses gear comprises: when reversing gear, and drive motor I 1 works independently, and drive motor I 1 contrarotation, sliding hub I 4 is combined with gear I 3, gear I 3 is fixedly connected with input shaft I 6, and sliding hub I 4 is separated with gear II 5, and gear II 5 dallies, meanwhile, sliding hub II 12 is separated with gear V 13, gear VI 10 respectively; The power transmission route of drive motor I is: by the output shaft of drive motor I, after input shaft I 6, sliding hub I 4, gear I 3, gear III 7, is exported, as shown in Figure 6 by transmission output shaft III 9.
When the shift control method of automobile-used twin shaft described in the utility model power drive system in parallel adopts speed gear in double-motor bottom gear, double-motor, double-motor top gear to work respectively, the steps include:
When vehicle travels in the mode activated of double-motor bottom gear, braked by brake pedal, now power transmission route is: the power of brake pedal input is successively after transmission output shaft III 9, gear III 7, one tunnel drags drive motor I 1 generate electricity through gear I 3, sliding hub I 4, input shaft I 6, and another road drags drive motor II 15 and generates electricity after gear V 13, sliding hub II 12, input shaft II 11; Mechanical braking is switched to, as shown in Figure 7 when battery electric quantity is full of;
When the mode activated of vehicle speed gear in double-motor travels, braked by brake pedal, now power transmission route is: the power of brake pedal input is after transmission output shaft III 9, one tunnel drags drive motor I 1 generate electricity through gear IV 8, gear II 5, sliding hub I 4, input shaft I 6, and another road drags drive motor II 15 generate electricity through gear III 7, gear V 13, sliding hub II 12, input shaft II 11; Mechanical braking is switched to, as shown in Figure 8 when battery electric quantity is full of.
When vehicle travels in the mode activated of double-motor top gear, braked by brake pedal, now power transmission route is: the power of brake pedal input is successively after transmission output shaft III 9, gear IV 8, one tunnel drags drive motor I 1 generate electricity through gear II 5, sliding hub I 4, input shaft I 6, and another road drags drive motor II 15 generate electricity through gear VI 10, sliding hub II 12, input shaft II 11; Mechanical braking is switched to, as shown in Figure 9 when battery electric quantity is full of.
Because three gears of described electric control mechanical type automatic speed variator are through speed ratio optimal design, improve the operating efficiency of electrical motor, make car load dynamic property and economy all be better than singly keeping off battery-driven car.When vehicle travels in urban district, lower to power requirement, so automobile-used twin shaft power drive system in parallel can meet the requirement of vehicle at urban district road traveling, comprise realize vehicle starting, acceleration and climbing; Meanwhile, cooperatively interacted by drive motor I 1 and drive motor II 15 and shift gears, power failure-free in shift process can be realized, improve shift quality, improve the riding comfort of vehicle.Drive motor I 1 realize by changing the direction of input voltage drive motor I 1 forward, rotate backward; Particularly, when described drive motor I 1 rotates backward, the sternway of vehicle is realized.
Can be found out by automobile-used twin shaft described in the utility model power drive system in parallel, the utility model is with the structure of the higher electric control mechanical type automatic speed variator of driving efficiency, achieve the power coupling of two drive motor, Power output for drive motor provides three gears, meets the real work demand of drive motor; And by the conversion of plurality of operating modes, speed characteristic and the high-efficiency operation district of drive motor effectively can be improved.The structure of the automobile-used twin shaft of the utility model power drive system in parallel is simple, cost is low, and can realize synchronous variable-speed and power failure-free control when shifting gears, and improves dynamic property and the economy of vehicle.
The utility model is not limited to above-mentioned embodiment, and when not deviating from flesh and blood of the present utility model, any distortion that it may occur to persons skilled in the art that, improvement, replacement all fall into protection domain of the present utility model.

Claims (1)

1. an automobile-used twin shaft power drive system in parallel, it is characterized in that, comprise drive motor I, drive motor II and electric control mechanical type automatic speed variator, described electric control mechanical type automatic speed variator comprise by gear I to engage with gear III first gear that forms to, to be engaged with gear III by gear V second gear that forms to, by gear II to engage with gear IV form three keep off gear mesh, by gear VI to engage with gear IV form four keep off gear mesh, sliding hub I, sliding hub II, input shaft I, input shaft II and transmission output shaft III; Wherein,
Described gear I is all placed in input shaft I with gear II, described gear III is fixedly connected with transmission output shaft III with gear IV, described gear V is all placed in input shaft II with gear VI, the output shaft of drive motor I is connected with input shaft I, the output shaft of drive motor II is connected with input shaft II, described sliding hub I is sheathed on input shaft I, and be arranged between gear I and gear II, described sliding hub I can with gear I, gear II combines or is separated, described sliding hub II is sheathed on input shaft II, and be arranged between gear V and gear VI, described sliding hub II can with gear V, gear VI combines or is separated.
CN201521031108.3U 2015-12-11 2015-12-11 Automobile -used biax power drive system that connects in parallel Active CN205202728U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106080206A (en) * 2016-06-29 2016-11-09 南京越博动力***股份有限公司 A kind of control system of electric automobile and method
CN106183799A (en) * 2016-08-29 2016-12-07 湖州伊立机械有限公司 A kind of electrokinetic transport device of high speed dual power source input
CN106382349A (en) * 2016-12-07 2017-02-08 天津天海同步集团有限公司 Double-motor compact transmission without power failure
CN106763557A (en) * 2016-12-30 2017-05-31 綦江齿轮传动有限公司 The double dynamical pure electric gear shift(ing) of input
WO2017096635A1 (en) * 2015-12-11 2017-06-15 南京越博动力***股份有限公司 Vehicle biaxial parallel electric drive system and gear shifting control method thereof
CN109501568A (en) * 2018-12-28 2019-03-22 樊朝晖 A kind of electric car dual-motor drive system and its control method
CN110091701A (en) * 2019-04-24 2019-08-06 梁兵 The more motor relay-type drive systems of electric car

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017096635A1 (en) * 2015-12-11 2017-06-15 南京越博动力***股份有限公司 Vehicle biaxial parallel electric drive system and gear shifting control method thereof
CN106080206A (en) * 2016-06-29 2016-11-09 南京越博动力***股份有限公司 A kind of control system of electric automobile and method
CN106183799A (en) * 2016-08-29 2016-12-07 湖州伊立机械有限公司 A kind of electrokinetic transport device of high speed dual power source input
CN106183799B (en) * 2016-08-29 2018-12-21 湖州伊立机械有限公司 A kind of electrokinetic transport device of high speed dual power source input
CN106382349A (en) * 2016-12-07 2017-02-08 天津天海同步集团有限公司 Double-motor compact transmission without power failure
CN106763557A (en) * 2016-12-30 2017-05-31 綦江齿轮传动有限公司 The double dynamical pure electric gear shift(ing) of input
CN109501568A (en) * 2018-12-28 2019-03-22 樊朝晖 A kind of electric car dual-motor drive system and its control method
CN109501568B (en) * 2018-12-28 2023-08-11 智一新能源发展有限公司 Dual-motor driving system of electric automobile and control method thereof
CN110091701A (en) * 2019-04-24 2019-08-06 梁兵 The more motor relay-type drive systems of electric car

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