CN105459789B - Power drive system for vehicle and the vehicle with it - Google Patents

Power drive system for vehicle and the vehicle with it Download PDF

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Publication number
CN105459789B
CN105459789B CN201410458271.1A CN201410458271A CN105459789B CN 105459789 B CN105459789 B CN 105459789B CN 201410458271 A CN201410458271 A CN 201410458271A CN 105459789 B CN105459789 B CN 105459789B
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China
Prior art keywords
gear
output
input shaft
power
vehicle
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CN201410458271.1A
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Chinese (zh)
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CN105459789A (en
Inventor
廉玉波
阮鸥
翟震
林冰恭
郑峰
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比亚迪股份有限公司
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Priority to CN201410458271.1A priority Critical patent/CN105459789B/en
Publication of CN105459789A publication Critical patent/CN105459789A/en
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Publication of CN105459789B publication Critical patent/CN105459789B/en

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Abstract

The invention discloses a kind of power drive system and vehicles.The power drive system includes:Engine unit, gearbox unit, the first dynamotor, engine unit and the first dynamotor are connect with gearbox unit power coupling respectively, and output section is configured to pass through the power transmission of gearbox unit output to the pair of wheels of vehicle;First and second driving motors, the first driving motor are arranged to be arranged to and another linkage in second pair of wheel with a linkage in second pair of wheel, the second driving motor;Anti-skidding synchronizer, anti-skidding synchronizer are arranged to optionally synchronize second pair of wheel.The synchronous rotary of two wheels may be implemented by the synchronous effect of anti-skidding synchronizer, to substantially improve wheel-slip phenomenon, increase the passability of vehicle, and at low cost, small when there is driving wheel skidding for the power drive system of the present invention.

Description

Power drive system for vehicle and the vehicle with it

Technical field

The present invention relates to technical field of vehicle, more particularly, to a kind of power drive system for vehicle and with its Vehicle.

Background technology

Chinese invention patent application (application number:89209460.5) a kind of automobile drive axle with differential lock is disclosed. The automobile drive axle has the parts such as planetary gear, differential mechanism, semiaxis, axle sleeve, jaw clutch and shift fork.It is mainly It is provided with above-mentioned jaw clutch on one of automobile or two semiaxis, when the driving wheel of automobile skids, uses shift fork Control jaw clutch selectively works and two semiaxis is made to form rigid connection so that differential mechanism is locked to lose differential Function.

But the drive axle structure of this form needs real by the switching electricity of electromagnet when realizing differential lock function The action of existing shift fork, it is thus not only complicated to which shift fork drives clutch that two halves shaft mechanical is made to connect firmly, but also clutch It need to be fixed on respectively on the axle sleeve of differential casing and semiaxis, especially for this clutch is all arranged on two semiaxis When, the complexity of system can be further increased, occupied space is big, and quality is big, of high cost.

Invention content

The present invention is directed to solve one of above-mentioned technical problem in the prior art at least to a certain extent.

For this purpose, an object of the present invention is to provide a kind of power drive system for vehicle, the powertrain The synchronous rotary of two wheels may be implemented by the synchronous effect of anti-skidding synchronizer when there is driving wheel skidding for system, to Wheel-slip phenomenon is substantially improved, increases the passability of vehicle, and at low cost, small.

It is another object of the present invention to propose a kind of vehicle with power drive system as described above.

Power drive system according to the ... of the embodiment of the present invention for vehicle, including:Engine unit;Gearbox unit, It is connect with the engine unit power coupling to the being suitably selected for property of gearbox unit;First dynamotor, described One dynamotor is connect with the gearbox unit power coupling;Output section, the output section are configured to that the change will be passed through The power transmission of fast device unit output to the vehicle pair of wheels;First driving motor and the second driving motor, it is described First driving motor is arranged to be arranged to and described second pair with a linkage in second pair of wheel, second driving motor Another linkage in wheel, the pair of wheels is a pair in front wheels and rear wheels, before second pair of wheel is described Another pair in wheel and the trailing wheel;And anti-skidding synchronizer, the anti-skidding synchronizer are arranged to optionally synchronize institute Second pair of wheel is stated, so that second pair of wheel synchronous rotary.

Power drive system according to the ... of the embodiment of the present invention can be not provided with the mechanical self-locking of conventional power transmission system Differential design, but tradition machinery formula no-spin lockup but functionally may be implemented by the synchronous effect of anti-skidding synchronizer Function so that the structure of power drive system according to the ... of the embodiment of the present invention is compacter, cost is lower.

According to a further aspect of the invention, a kind of vehicle is provided, the vehicle includes being used for vehicle as described above Power drive system.

Description of the drawings

Fig. 1 is the principle sketch of power drive system according to the ... of the embodiment of the present invention;

Fig. 2 is the schematic diagram of power drive system according to an embodiment of the invention;

Fig. 3 is the schematic diagram of power drive system in accordance with another embodiment of the present invention;

Fig. 4 is the schematic diagram according to the power drive system of another embodiment of the invention;

Fig. 5 is the schematic diagram according to the power drive system of further embodiment of the present invention;

Fig. 6 is the schematic diagram according to the power drive system of further embodiment of the present invention;

Fig. 7 is the schematic diagram according to the power drive system of further embodiment of the present invention;

Fig. 8 is the schematic diagram according to the power drive system of further embodiment of the present invention;

Fig. 9 is the schematic diagram according to the power drive system of further embodiment of the present invention.

Specific implementation mode

The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.

In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of The description present invention and simplified description, do not indicate or imply the indicated device or element must have a particular orientation, with spy Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more, Unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;Can be that machinery connects It connects, can also be electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary in two elements The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower" It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of Fisrt feature level height is less than second feature.

Power drive system 100 according to the ... of the embodiment of the present invention, the powertrain is described in detail below with reference to Fig. 1-Fig. 9 System 100 is suitable for vehicle, especially suitable for using engine unit 1 and dynamotor as the hybrid vehicle of main power source In.

As shown in the picture, power drive system 100 according to the ... of the embodiment of the present invention may include engine unit 1, speed change Device unit 2a (in conjunction with shown in Fig. 4, Fig. 5), the first dynamotor 41, the first driving motor 201,301 and of the second driving motor The components such as anti-skidding synchronizer 503.

It is connect with 1 power coupling of engine unit to being suitably selected for property of gearbox unit 2a.Engine unit 1 can be such as Gearbox unit 2a is given by the power output that double clutch etc. is selectively generated;Optionally, gearbox unit 2a can also export the staring torque for example from the first dynamotor 41 to engine unit 1, to start engine unit 1.Can be carried out in the context of the disclosure, between engine unit 1 and gearbox unit 2a for example by itself or it is logical The transmission for crossing power caused by other component is referred to as power coupling connection.

First dynamotor 41 is connect with gearbox unit 2a power couplings.In other words, the first dynamotor 41 with Gearbox unit 2a cooperation transmission, i.e. the first dynamotor 41 can drive gearbox unit 2a, and gearbox unit 2a The first dynamotor of power drive 41 from such as engine unit 1 can be utilized.

For example, engine unit 1 at least partly power of generation can be exported by gearbox unit 2a it is electronic to first Generator 41, the first dynamotor 41 can generate electricity at this time, and can convert mechanical energy into electric energy and be stored in accumulation of energy component Such as in battery component.For another example, the electric energy from battery component can be converted to mechanical energy by the first dynamotor 41, and can It is exported to output section 5 by gearbox unit 2a to drive vehicle.

First dynamotor 41 is that have motor and the motor of generator function, in the related " dynamoelectric and power generation of the present invention In the description of machine ", if without specified otherwise, it is understood in this way.

Output section 5 is configured to the pair of wheels 210 of the power transmission Jing Guo gearbox unit 2a speed changes to vehicle.Letter Yan Zhi, output section 5 is suitable for power of the output from gearbox unit 2a, and the power of gearbox unit 2a can derive from and start Machine unit 1, first dynamotor 41 etc., but not limited to this.

Synchronizer 6 is suitable for optionally synchronizing between output section 5 and gearbox unit 2a, to carry out power transmission Or cut-out power transmission.In other words, synchronizer 6 is passed through defeated by the power that synchronous effect can export gearbox unit 2a Go out the output of portion 5 to pair of wheels 210 or synchronizer 6 also can open slew device unit 2a and output section 5, speed changer at this time Unit 2a directly can not output power to pair of wheels 210 by output section 5.

As shown in Figure 1-Figure 3, power drive system 100 can also include the second dynamotor 42, the second dynamoelectric and power generation Machine 42 can be used for driving pair of wheels 210, for example, the second dynamotor 42 can be wheel motor and be respectively used to drive The near front wheel and off-front wheel, certain second dynamotor 42 can also be separately positioned on the both sides of differential mechanism 54, and can be with differential Device 54 becomes one structure.

Power drive system 100 according to the ... of the embodiment of the present invention, engine unit 1 and/or the first dynamotor 41 are defeated The power gone out can be exported by the synchronous effect of synchronizer 6 to output section 5, then be exported to the first of vehicle by output section 5 To wheel 210.

Simultaneously as the introducing of the second dynamotor 42, the second dynamotor 42 can to pair of wheels 210 into Row torque compensation, while engine unit 1 and the first dynamotor 41 can also be coordinated to drive vehicle, it increases The operational mode of vehicle so that vehicle can better adapt to different operating modes, reach preferable fuel economy, while reduction has The discharge of evil gas.

Also, the effect of synchronizer 6 can be final synchronism output portion 5 and gearbox unit 2a, that is, pass through synchronizer 6 After synchronous effect so that output section 5 can with gearbox unit 2a synchronization actions, to by output section 5 be used as power output end, By the power output of gearbox unit 2a.And in 6 non-synchrom esh transmission unit 2a of synchronizer and output section 5, gearbox unit The power of 2a (can not pass through output section 5) and be directly output to wheel.

In short, synchronizer 6 plays the purpose of powershift, i.e. synchronizer 6 engages, and the power of gearbox unit 2a can To be exported by output section 5 and for driving wheel, and synchronizer 6 disconnects, and gearbox unit 2a can not will be moved by output section 5 Power passes to wheel, in this way by controlling the engagement or disconnection of a synchronizer 6, so as to realize that vehicle at least partly drives The conversion of pattern.

Due to the particularity of application scenario, synchronizer 6 has the following advantages compared to clutch appliance herein:

A, when synchronizer 6 disconnects, need by engine unit 1, gearbox unit 2a and first motor generator 41 with The power of wheel thoroughly disconnects so that and the movement (power generation, driving, the transmission of power torque etc.) that both sides respectively carry out is independent of each other, This demand is particularly important to the energy expenditure for reducing vehicle.Synchronizer 6 can be very good to accomplish this point, and clutch is usual It will appear friction plate and detach halfway situation, increase friction loss and energy expenditure.

B needs the synthesis by engine unit 1 and the first dynamotor 41 when synchronizer 6 engages (after coupling) Driving force is transferred to wheel after the amplification of the torque of gearbox unit 2a, or the driving force of wheel is transferred to the first electronic hair Motor 41 (power generation), this requires dynamic coupling devices herein can transmit prodigious torque, and has very high stability. Synchronizer 6 can be very good to accomplish this point, and if selecting clutch, need design and whole system (engine, speed change Device, motor) clutch of ultra-large volume that does not match that, arrangement difficulty is increased, improves weight and cost, and in torque When impact, there is the risk of skidding.

Also, the first dynamotor 41 can pass through the speed of adjusting gearbox unit 2a, such as the first dynamoelectric and power generation Machine 41, by the change of rotating speed, can adjust the speed of gearbox unit 2a so that speed changer using the rotating speed of output section 5 as target It is matched rapidly in a manner of unit 2a and the speed of output section 5 are effective by the time, the required time is synchronized to reduce synchronizer 6, Intermediate energy loss is reduced, while can also realize being engaged without torque for synchronizer 6, greatly improves the transmission effect of vehicle Rate, synchronous controllability and synchronous real-time.In addition, the service life of synchronizer 6 is further extended, safeguarded to reduce vehicle Cost.In addition, power drive system 100 according to the ... of the embodiment of the present invention is compact-sized and easy to control.

Electronic differential lock construction according to the ... of the embodiment of the present invention is described in detail below with reference to Fig. 1-Fig. 9, which can be real Occur a pair of driving wheels that locking skids when wheel-slip phenomenon now, so as to improve slipping phenomenon, improves trafficability energy. The electronic differential lock construction can be used in forerunner or rear-guard, and in the example of Fig. 1-Fig. 6 of the present invention, which uses In rear-guard.

As shown in figs. 1 to 9, which includes the first driving motor 201, the second driving motor 301 and prevents Sliding synchronizer 503.Wherein, output section 5 is configured to pass through the power transmission of gearbox unit 2a outputs to the first couple of vehicle Wheel 210, the first driving motor 201 and the second driving motor 301 are arranged for second pair of wheel 220 of driving, wherein first It is a pair in front wheels and rear wheels to wheel 210, second pair of wheel 220 is the another pair in front wheels and rear wheels.In Fig. 1-Fig. 6 Example in, output section 5 is by the power output of the power sources such as engine unit 1 to front-wheel 210, the first driving motor 201, second Driving motor 301 is respectively used to two trailing wheels 220 of driving.

It should be noted that according to some embodiments of the present invention, the first driving motor 201, the second driving motor 301 can To be dynamotor, but not limited to this.

In conjunction with shown in Fig. 1-Fig. 9, the first driving motor 201 is arranged to (e.g., left back with one in second pair of wheel 220 Wheel) linkage, in other words, the first driving motor 201 can output power to a wheel to drive a vehicle wheel rotation, or The first driving motor of person 201 can also absorb energy from a wheel, to generate electricity.

Similarly, the second driving motor 301 is arranged to link with another (e.g., off hind wheel) in second pair of wheel 220, In other words, the second driving motor 301 can output power to another wheel to drive another vehicle wheel rotation, Huo Zhe Two driving motors 301 can also absorb energy from another wheel, to generate electricity.In the example of Fig. 1-Fig. 6, first Driving motor 201 links with left rear wheel, and the second driving motor 301 links with off hind wheel, but the present invention is not limited thereto.

Anti-skidding synchronizer 503 is arranged to optionally synchronize second pair of wheel 220, so that second pair of wheel 220 Synchronous rotary, in other words, synchronizing second pair of wheel 220 in anti-skidding synchronizer 503, (i.e. anti-skidding synchronizer 503 is in joint shape State), it is formed between second pair of wheel 220 and connects firmly form, it, will not differential rotation to synchronous rotary.

And when anti-skidding synchronizer 503 is off, the first driving motor 201 and the second driving motor 301 can be with Corresponding wheel is respectively driven with different rotational speeds, the differential rotating function of two wheels is realized, certainly, in anti-skidding synchronization When device 503 is off, the first driving motor 201 and the second driving motor 301 can also drive second pair of wheel 220 With identical rotational speed.

As a result, second pair of wheel is individually driven by the way that the first driving motor 201 and the second driving motor 301 is arranged 220, it is anti-skidding same so as to realize the differential rotation of second pair of wheel 220, and when occurring in which a wheel-slip phenomenon Step device 503 can synchronize second pair of wheel 220 so that second pair of 220 synchronous rotary of wheel, realizes that two motors (can certainly It is one) second pair of 220 operation of wheel is driven jointly after the power coupling of output, improve wheel-slip phenomenon, improves vehicle Handling capacity.Particularly, in the case where occurring in which a wheel-slip, the driving of the first driving motor 201 and second The power of motor 301 can drive the wheel that another does not skid jointly, to another wheel for enabling this not skid The power for accessing two motors, substantially improves slipping phenomenon.

In short, power drive system 100 according to the ... of the embodiment of the present invention, due to being provided with the edge of anti-skidding synchronizer 503 Therefore therefore mechanical no-spin lockup structure possessed by corresponding vehicle bridge (for example, rear axle) can be cancelled, but functionally lead to The function of tradition machinery formula no-spin lockup but may be implemented in the synchronous effect for crossing anti-skidding synchronizer 503, so that according to this The structure of the power drive system 100 of inventive embodiments is compacter, cost is lower.

Figure is combined with the kind of drive of second pair of wheel 220 to the first driving motor 201, the second driving motor 301 below 1, the example of Fig. 7-Fig. 9 is described in detail.

In some embodiments, as shown in Fig. 1, Fig. 7-Fig. 8, pass through between the first driving motor 201 and corresponding wheel Gear structure indirect drive similarly can also be by between the gear structure between the second driving motor 301 and corresponding wheel Connect transmission.

Transmission is carried out by gear structure to be easily achieved and simple in structure, and can obtain required transmission ratio, is driven Reliably.Also, the first driving motor 201 and the second driving motor 301 are carried out with corresponding wheel by identical gear structure Power transmission also improves the versatility of gear structure, while power drive system 100 also being made to have higher symmetry, keeps away Exempt from center of gravity excessively to deviate to side, center of gravity enable preferably to be in the centre position of two wheels or close to intermediate position, Improve the stability and reliability of power drive system 100.

Further, as optional embodiment, as shown in Fig. 1, Fig. 7-Fig. 8, the first driving motor 201 and corresponding vehicle Used gear structure may include first gear 401, second gear 402, third gear 403 and the 4th gear between wheel 404 4 gears.

First gear 401 can be arranged on 201 corresponding first motor power output shaft 202 of the first driving motor, the One gear 401 can be with 202 synchronous rotary of first motor power output shaft.Wherein, first motor power output shaft 202 can be used for defeated The power or first motor power output shaft 202 out generated from the first driving motor 201 can be defeated by the anti-power dragged of wheel Go out to the first driving motor 201, the motor shaft of first motor power output shaft 202 and the first driving motor 201 can be same Structure.Alternatively of course, the motor shaft of first motor power output shaft 202 and the first driving motor 201 can also be two lists Only component, at this time first motor power output shaft 202 be connected with the motor of the first driving motor 201.

Wheel corresponding with the first driving motor 201 is connected with the first semiaxis 204, and the setting of second gear 402 is the first half On axis 204 and can be engaged with first gear 401 with 204 synchronous rotary of the first semiaxis, third gear 403 and the 4th gear 404 with Second gear 402 engages, and third gear 403 and the 4th gear 404 are coaxially arranged and can synchronous rotary.

Similarly, as shown in Fig. 1, Fig. 7-Fig. 8, the gear knot that is used between the second driving motor 301 and corresponding wheel Structure may include the 5th gear 405, the 6th gear 406, the 7th gear 407 and eighth gear 408 totally four gears.5th gear 405 can be arranged on 301 corresponding second motor power output shaft 302 of the second driving motor and can be defeated with the second motor power 302 synchronous rotary of shaft.Wherein, the second motor power output shaft 302, which can be used for exporting, generates from the second driving motor 301 The anti-power output dragged of wheel can be given the second driving motor 301, the second electricity by power or the second motor power output shaft 302 The motor shaft of power output shaft 302 and the second driving motor 301 can be same structure.Alternatively of course, the second motor The motor shaft of power output shaft 302 and the second driving motor 301 can also be two individual components, and the second motor power is defeated at this time Shaft 302 is connected with the motor shaft of the second driving motor 301.

Wheel corresponding with the second driving motor 301 is connected with the second semiaxis 304, and the setting of the 6th gear 406 is the second half On axis 304 and can be engaged with the 5th gear 405 with 304 synchronous rotary of the second semiaxis, the 7th gear 407 and eighth gear 408 with 6th gear 406 engages, the 7th gear 407 and 408 synchronization arrangement of eighth gear and can synchronous rotary.

Optionally, first gear 401 and the 5th gear 405, second gear 402 and the 6th gear 406, third gear 403 Size and the number of teeth with the 7th gear 407 and the 4th gear 404 and eighth gear 408 can be identical respectively, to improve The versatility of gear structure.

As optional embodiment, third gear 403 and the 4th gear 404 can be fixed on first gear axis 501, 7th gear 407 can be fixed on eighth gear 408 on second gear axis 502.Certainly, third gear 403 and the 4th gear 404 can also be configured to stepped gear or connection gear structure.Similarly, the 7th gear 407 can also with eighth gear 408 It is configured to stepped gear or connection gear structure.

In some instances, as shown in Figure 1, anti-skidding synchronizer 503 can be arranged on the first semiaxis 204 and be arranged to can It is selectively engaged the 6th gear 406, for example, soldered tooth can be arranged towards the side of anti-skidding synchronizer 503 in the 6th gear 406 Circle, the clutch collar of anti-skidding synchronizer 503 are adapted to the engagement gear ring.After anti-skidding synchronizer 503 engages as a result, second pair of vehicle 220 are taken turns by synchronous rotary.

In other examples, as shown in fig. 7, anti-skidding synchronizer 503 be arranged on first motor power output shaft 202 and It is arranged to be selectively engageable the 5th gear 405, for example, the 5th gear 405 can be set towards the side of anti-skidding synchronizer 503 Engagement gear ring is set, the clutch collar of anti-skidding synchronizer 503 is adapted to the engagement gear ring.It, should after anti-skidding synchronizer 503 engages as a result, Second pair of wheel 220 is by synchronous rotary.

In other example, as shown in figure 8, anti-skidding synchronizer 503 is arranged on first gear axis 501 and be arranged to can It is selectively engaged the 7th gear 407, for example, soldered tooth can be arranged towards the side of anti-skidding synchronizer 503 in the 7th gear 407 Circle, the clutch collar of anti-skidding synchronizer 503 are adapted to the engagement gear ring.After anti-skidding synchronizer 503 engages as a result, second pair of vehicle 220 are taken turns by synchronous rotary.

Optionally, in the example of figure 9, the first driving motor 201 is coaxial connected with corresponding wheel and the second driving is electric Machine 301 is coaxially connected with corresponding wheel.Further, the first driving motor 201 and the second driving motor 301 may each be wheel side Motor, thus transmission chain is short, and transmission energy loss is few, transmission efficiency.

Further, as shown in figure 9, anti-skidding synchronizer 503 can be arranged in 201 corresponding first motor of the first driving motor On power output shaft 202 and it is arranged to be selectively engageable 301 corresponding second motor power output shaft of the second driving motor 302.After anti-skidding synchronizer 503 engages as a result, second pair of wheel 220 is by synchronous rotary.

Furthermore, it is necessary to illustrate a bit, in the embodiment of Fig. 1-Fig. 9, wherein Fig. 1-power drive systems shown in fig. 6 100 have a forerunner and rear-guard simultaneously, forerunner by power source drives such as engine units 1, rear-guard can by the first driving motor 201, Second driving motor 301 is driven.In the embodiment of Fig. 7-Fig. 9, another variant of rear-guard is illustrated only (certainly Can also be used as forerunner), that is to say, that the rear-guard electronic differential lock construction of power drive system 100 can be replaced in Fig. 1-Fig. 6 At any one in Fig. 7-Fig. 9, this also falls within scope of the present invention.

Speed changer structure is described in detail below.According to some embodiments of the present invention, gearbox unit 2a includes Transmission power input unit 21a and transmission power output section 22a (in conjunction with shown in Fig. 4, Fig. 5), transmission power input unit 21a It is selectively engageable with engine unit 1, to transmit power caused by engine unit 1.Transmission power output section 22a It is configured and adapted to output power to the power on transmission power input unit 21a by synchronizing for synchronizer 6 defeated Go out portion 5.

Further, transmission power input unit 21a further comprises:Input shaft (such as the input of the first input shaft 21, second Axis 22) and the driving gear 25 that is arranged on input shaft, input shaft be selectively engageable with engine unit 1, to transmit hair Power caused by motivation unit 1.In other words, when the needs of engine unit 1 output power to input shaft, engine unit 1 can be engaged with input shaft, to which the power that engine unit 1 exports can be transferred to input shaft.Engine unit 1 and input The juncture of axis can be realized by clutch (for example, double clutch 31), will be provided below about this partial content It is described in detail, which is not described herein again.

Transmission power output section 22a includes:Output shaft 24 and driven gear 26, driven gear 26 are arranged in output shaft 24 Above and with the driving gear 25 on input shaft accordingly engage.

Output shaft 24 is configured at least part of the power transmitted on output input shaft.Specifically, output shaft 24 with Input shaft cooperation transmission such as preferably can be by above-mentioned driving gear 25 and driven between output shaft 24 and input shaft Gear 26 is driven.

Of course it is to be understood that being not limited to this for output shaft 24 and the kind of drive of input shaft, such as it can also be logical Cross pulley transmission mechanism, rack and pinion drive mechanism etc..To those skilled in the art, can according to actual conditions and It is specifically chosen suitable drive mechanism or mode.

Output shaft 24 is used for transmission at least part power on input shaft, such as is in certain in power drive system 100 When a little transmission modes, such as the first dynamotor 41 carries out generating operation mode, and the power on input shaft can partly be used for the at this time The power generation of one dynamotor 41, another part can be used for driving vehicle traveling, whole power on certain input shaft It can be used to generate electricity.

According to some embodiments of the present invention, the first dynamotor 41 and one in input shaft and output shaft 24 are direct Transmission or indirect drive.Here, " direct-drive " refers to that the first dynamotor 41 is connected directly with corresponding axis and is driven, Without the intermediate transmissions component such as any speed change gear, arrangement of clutch, transmission device, for example the first dynamotor 41 is defeated Outlet is directly rigidly connected with one in input shaft and output shaft 24.The advantages of direct-drive, resides in reduced intermediate transmission portion Part reduces loss of the energy in transmission process.

" indirect drive " excludes any other kind of drive except direct-drive, such as passes through speed change gear, clutch The intermediate members such as device, transmission device are driven.The advantages of indirect drive mode, is to arrange more convenient, and can lead to Setting such as speed change gear is crossed to obtain required transmission ratio.

It output section 5 can be as the power output terminal of output shaft 24, for exporting the power on output shaft 24, output section 5 can be rotated relative to output shaft 24 with differential, i.e., output section 5 may exist the feelings of asynchronous rotation relative to output shaft 24 Condition, that is to say, that speed discrepancy may be present therebetween, be not rigidly connected.

Synchronizer 6 is arranged on output shaft 24.Specifically, synchronizer 6 may include splined hub 61 and clutch collar 62, spline Hub 61 can be fixed on output shaft 24, and splined hub 61 is rotated synchronously with output shaft 24, and clutch collar 62 can edge with respect to splined hub 61 The axial action of output shaft 24, to be selectively engageable output section 5, so that output section 5 is rotated synchronously with output shaft 24, Thus power can pass to pair of wheels 210 from output section 5, realize the purpose of driving wheel.However, it should be understood that The structure of synchronizer 6 is without being limited thereto.

Power drive system 100 according to the ... of the embodiment of the present invention, engine unit 1 and/or the first dynamotor 41 are defeated The power gone out can be exported by the engagement of synchronizer 6 from output section 5, compact-sized, easy to control, and be switched in vehicle During operating mode, in fact it could happen that the case where synchronizer 6 is converted to engagement state from discrete state, at this time the first dynamotor 41 It can be controlled by rotating speed using the rotating speed of output section 5 as target, the rotating speed of regulation output shaft 24, make output shaft 24 and output section 5 Rotating speed matches in a short time, facilitates the engagement of synchronizer 6, to substantially increase transmission efficiency, while reducing intermediate energy The transmission of amount is lost, and can realize being engaged (substantially without radial frictional force or diameter when i.e. synchronizer 6 engages without torque for synchronizer 6 To frictional force far below mean level in industry).

Some preferred embodiments according to the present invention, input shaft be it is multiple, i.e., two or more.Multiple input shaft Sequentially coaxially nested setting, for example, input shaft is N number of, then k-th input axle sleeve is located on the K-1 input shaft, wherein N >=K >=2, and the central axis of N number of input shaft is to overlap.

Fig. 1-Fig. 2, Fig. 4-Fig. 6 example in, input shaft is two, i.e. the first input shaft 21 and the second input shaft 22, Then the second input shaft 22 is set on the first input shaft 21 and the central axis of the two overlaps.For another example, in the example of fig. 3, defeated It is three to enter axis, i.e. the first input shaft 21, the second input shaft 22 and third input shaft 23, then third input shaft 23 is set in second On input shaft 22, the second input shaft 22 is set on the first input shaft 21, and the central axis of three axis overlaps.

When engine unit 1 transmits power or is connect with input shaft progress power coupling to input shaft, engine list Member 1 is optionally engaged with one in multiple input axis.In other words, the power by engine unit 1 is being needed to send out When coming, the output end of engine unit 1 is can to engage to rotate synchronously with one in multiple input axis.And it is not needing When engine unit 1 works or engine unit 1 is in idling, then engine unit 1 can be disconnected with multiple input axis, that is, be sent out Motivation unit 1 is not connected with any one input shaft, is connect with the power coupling of engine unit 1 to disconnect.

Further, fixed there are one driving gear 25 on each input shaft, driving gear 25 is main with input shaft synchronous rotary There are many moving gear 25 and the fixed forms of corresponding input shaft, such as can be fixed by keyway fit system, naturally it is also possible to Driving gear 25 is fixed with input shaft by various ways such as hot pressing, integrated moldings, ensures that the two can be with synchronous rotary.

Multiple driven gears 26 are fixed on output shaft 24, multiple driven gears 26 are driven with 24 synchronous rotary of output shaft The fixed form of above-mentioned driving gear 25 and input shaft can also be used in gear 26 and the fixed form of output shaft 24, but is not limited to This.

But the invention is not limited thereto, e.g., the quantity on driving gear 25 being arranged on each input shaft can not It is limited to one, accordingly, multiple driven gears 26 is set on output shaft 24 and have formed multiple gears, for people in the art It can be achieved on for member.

Multiple driven gears 26 are respectively correspondingly engaged with the driving gear 25 on multiple input axis, and according to the present invention one A embodiment, the quantity of driven gear 26 and the quantity of input shaft can be identical, such as driven gear 26 is two, then defeated It is two to enter axis, and two such driven gear 26 respectively correspondingly can engage biography with the driving gear 25 on two input shafts It is dynamic so that two pairs of gear pairs may be constructed two gears and be driven.

According to one embodiment of present invention, it can be needed according to transmission and three or more input shafts are set, And a driving gear 25 can be fixed on each input shaft, thus the quantity of input shaft is more, can be driven Gear is more, and the range of the transmission ratio of the power drive system 100 is bigger, and transmission is wanted to adapt to various It asks.

For example, some specific embodiments according to the present invention, as shown in Fig. 1-Fig. 2, Fig. 4-Fig. 6, multiple input axis includes First input shaft 21 and the second input shaft 22, the second input shaft 22 are set on the first input shaft 21, and the second input shaft 22 is empty Mandrel, the first input shaft 21 are preferably solid shafting, and alternatively of course, the first input shaft 21 can also be hollow shaft.Accordingly, defeated Setting is there are two driven gear 26 on shaft 24, two driven gears 26 respectively with the driving gear 25 on the first input shaft 21 And the second driving gear 25 on input shaft 22 accordingly engages, to constitute two shift gear pairs.

First input shaft 21 may be used bearing and be supported, in order to ensure the ride comfort when transmission of the first input shaft 21, Bearing is preferably multiple and can be arranged in the position for not influencing remaining part assembly along the axial of the first input shaft 21.Equally Ground, the second input shaft 22 can also be used bearing and supported, be not detailed herein.

Further, as shown in Fig. 1-Fig. 2, Fig. 4-Fig. 6, engine unit 1 and the first input shaft 21 and the second input shaft 22 Between be provided with double clutch 31, existing dry dual clutch 31 or wet-type dual-clutch 31 may be used in double clutch 31.

Double clutch 31 has input terminal 313, the first output end 311 and a second output terminal 312, engine unit 1 with it is double The input terminal 313 of clutch 31 is connected, specifically, engine unit 1 can be a variety of by flywheel, damper or reverse plate etc. Form is connected with the input terminal 313 of double clutch 31.

First output end 311 of double clutch 31 is connected with the first input shaft 21, to first output end 311 and first 21 synchronous rotary of input shaft.The second output terminal 312 of double clutch 31 is connected with the second input shaft 22, to the second output terminal 312 and 22 synchronous rotary of the second input shaft.

Wherein, the input terminal 313 of double clutch 31 can be the shell of double clutch 31, the first output end 311 and Two output ends 312 can be two driven discs.Usually, shell and two driven discs can be disconnected all, i.e. input terminal 313 It is disconnected with the first output end 311 and second output terminal 312, when needing to engage one of driven disc, shell can be controlled Engage to synchronous rotary with corresponding driven disc, i.e., input terminal 313 and the first output end 311 and second output terminal 312 it One engagement, to which the power that input terminal 313 transmits can be defeated by one in the first output end 311 and second output terminal 312 Go out.

It should be appreciated that the specific engagement state of double clutch 31 is controlled the influence of strategy, for the technology of this field For personnel, can according to actually required transmission mode adaptive settings control strategy, so as in input terminal and two It is switched in the Three models that a output end is all off and one of input terminal and two output ends engage.

As shown in Fig. 1-Fig. 2, Fig. 4-Fig. 6, since input shaft is concentric cross-compound arrangement, and only it is arranged on each input shaft There are one driving gear 25, therefore gearbox unit 2a tools are there are two different gears, engine unit 1 can by this two A gear outputs power to output section 5, and synchronizer 6 can be constantly in engagement state, that is, engages output shaft 24 and output section 5。

When switching between gear, synchronizer 6 is not necessarily to first to disconnect axis again as the synchronizer structure in a manner of traditional arrangement Other gear could be engaged to movement, and only need to simply control the engaging/disengaging state of double clutch 31, at this time synchronizer 6 can be constantly in engagement state, in this way when engine unit 1 outputs power to output section 5, only need to control a shift Executive component, that is, double clutch 31 can greatly simplify control strategy, reduce and synchronize in this way without controlling synchronizer 6 The engaging/disengaging number of device 6 improves the service life of synchronizer 6.

The mating connection mode of first dynamotor 41 and gearbox unit 2a is described below.It is more according to the present invention Embodiment, the first dynamotor 41 are arranged to be driven with a cooperation in driving gear 25 and driven gear 26, in other words, First dynamotor 41 is and an indirect drive in input shaft and output shaft 24.

Further, alternatively, intermediate transmission can be set between the first dynamotor 41 and respective gears Mechanism, the transmission mechanism can be Worm and worm-wheel gearing, one or more levels gear auxiliary drive gear, chain wheel driving mechanism Deng, or in the case of non-contravention, can also be the combination of above-mentioned a variety of transmission mechanisms, such first dynamotor 41 can To be arranged in different location as needed, the arrangement difficulty of the first dynamotor 41 is reduced.

The problem of in view of being convenient for spatially arranging, according to one embodiment of present invention, the first dynamotor 41 can To be driven by an intermediate gear 411.For example, in the example of Fig. 1-Fig. 3, the first dynamotor 41 and second defeated Enter between the driving gear 25 on axis 22 through 411 indirect drive of intermediate gear.

But the present invention is not limited thereto.Other in the present invention are not shown in embodiment, and the first dynamotor 41 is also It can be set to be connected with one in the first input shaft 21 and output shaft 24.First dynamotor 41 is using direct with corresponding axis Connected mode can make the structure of power drive system 100 compacter, while can also reduce power drive system 100 Circumferential size, be easily disposed in the cabin of vehicle.

Alternatively, according to one embodiment of present invention, the first dynamotor 41 can be coaxial with the first input shaft 21 Arrangement, and the first dynamotor 41 can also be coaxially arranged with engine unit 1.Here, " the first dynamotor 41 with Engine unit 1 is coaxially arranged " it should be understood as:The pivot center of the rotor of first dynamotor 41 and engine unit 1 The rotation axis of bent axle substantially overlap.As a result, the structure of power drive system 100 is compacter.Furthermore first Dynamotor 41 also can with output shaft 24 is coaxial is connected.

According to some embodiments of the present invention, output section 5 may include output gear 51 and engagement gear ring 52, output gear 51 can relatively rotate i.e. differential rotation with output shaft 24, and engagement gear ring 52 and output gear 51 are fixed, that is, engage gear ring 52 with it is defeated Go out the synchronous rotation of gear 51.

When synchronizer 6 needs to engage output section 5 with output shaft 24 as a result, the clutch collar 62 of synchronizer 6 can be along axis It is moved to the direction of engagement gear ring 52, after output section 5 is synchronous with the rotating speed of output shaft 24, clutch collar 62 can be with soldered tooth 52 engagement of circle, to form rigid connection, and then three's synchronous rotary between 5 three of output shaft 24, synchronizer 6 and output section.

In order to reduce intermediate transmission component, energy loss is reduced, and improve the transmission of power drive system 100 as much as possible Efficiency, as preferred mode, output gear 51 can be main reducing gear driving gear, which can be with master Directly engagement is to output power for retarder driven gearwheel 53, to drive wheel.But the present invention is not limited thereto, defeated Go out between gear 51 and main reducing gear to be arranged other intermediate members for transmission.

As described in Fig. 1-Fig. 6, differential mechanism 54 is provided between pair of wheels 210, differential mechanism 54 is coordinated with output section 5 Transmission, specifically, in some embodiments, main reducing gear driven gear 53 is provided on differential mechanism 54, as described above, defeated It can be main retarder driven gearwheel to go out gear 51, and main reducing gear driving gear is directly engaged with main reducing gear driven gear 53, from And power is transferred to two front-wheels after can passing sequentially through main reducing gear driving gear, main reducing gear driven gear 53 and differential mechanism 54 210。

The effect of differential mechanism 54 is reasonably to distribute to power needed for two front-wheels 210, and differential mechanism 54 can be gear type Differential mechanism, locking differential, torsional differential gear etc., preferably can also be power-locking differential certainly.For For those skilled in the art, suitable differential mechanism can be selected according to different automobile types.

As a kind of variant embodiment of the power drive system 100 described in above-described embodiment, as shown in figure 3, multiple Input shaft can also include three axis, i.e. the first input shaft 21, the second input shaft 22 and third input shaft 23, the second input shaft 22 It is set on the first input shaft 21, third input shaft 23 is set on the second input shaft 22.

In the variant embodiment, power drive system 100 further comprises that three clutches 32, three clutches 32 have defeated Enter end 324, the first output end 321, second output terminal 322 and third output end 323, engine unit 1 and three clutches 32 Input terminal 324 is connected, the first output end 321 of three clutches 32 is connected with the first input shaft 21, three clutches 32 it is second defeated Outlet 322 is connected with the second input shaft 22 and the third output end 323 of third clutch 32 is connected with third input shaft 23.

Similarly, the input terminal of three clutches 32 can be its shell, and three of them output end can be three driven discs, defeated Enter end can be engaged with one of three output ends or input terminal and three output ends it is all off.It is understood that three clutches The operation principle of device 32 is approximate with double clutch 31, and which is not described herein again.

As another variant embodiment of the power drive system 100 described in above-described embodiment, such as Fig. 4-Fig. 6 institutes Show, in the power drive system 100, driven gear 26 is connection gear structure, which is set on On output shaft 24, i.e., the two can differential rotation.Wherein, synchronizer 6 be arranged on output shaft 24 and selectively with the connection tooth tooth Wheel construction 26 engages.

Join gear structure driven gear 26 have multiple gear parts, multiple gear parts respectively on multiple input axis Driving gear accordingly engages.

Shown in Fig. 4-Fig. 6, specifically, input shaft is two, i.e. the first input shaft 21 and the second input shaft 22, fixed on each input shaft there are one driving gears 25, and connection gear structure 26 is duplicate gear, which has First gear portion 261 and second gear portion 262, first gear portion 261 and second gear portion 262 respectively with two driving gears 25 Accordingly engage.

In the embodiment, as shown in Figure 4-Figure 6, double clutch can still be by between 1 two input shafts of engine unit 31 are attached, that is, use with identical connection type between engine unit 1 and input shaft in Fig. 1-Fig. 2, be in letter here Clean purpose, repeats no more, please with reference to the above-mentioned description as described between engine unit 1, double clutch 31 and input shaft.

For power drive system 100 in the embodiment when carrying out power transmission, synchronizer 6 can engage duplicate gear 26, to which the power that engine unit 1 and/or the first dynamotor 41 export can be by output section 5 (for example, main deceleration Device driving gear 51) output.

In some embodiments, output section 5 is fixed on output shaft 24, and output section 5 is it is so structured that output gear, example Such as be configured to main reducing gear driving gear, and can directly with main reducing gear driven gear engaged transmission.

At this, some are applied in example, and the effect of synchronizer 6 can be that final synchronize joins gear structure 26 and output shaft 24, i.e., After synchronous effect by synchronizer 6 so that connection gear structure 26 and 24 synchronization action of output shaft, to be made by output section 5 For power output end, by the power output of engine unit 1 and/or the first dynamotor 41.And in the not synchronous connection of synchronizer 6 When gear structure 26 and output shaft 24, the power of engine unit 1 and/or the first dynamotor 41 (can not pass through output Portion 5) it is directly output to wheel.

In short, synchronizer 6 plays the purpose of powershift, i.e. synchronizer 6 engages, engine unit 1 and/or first The power of dynamotor 41 can be exported by output section 5 and for driving wheel, and synchronizer 6 disconnects, engine unit 1 And/or first the power of dynamotor 41 can not impart power to wheel by output section 5, it is same by controlling one in this way The engagement or disconnection for walking device 6, so as to realize the conversion of whole drive mode.

Also, the first dynamotor 41, by the change of rotating speed, can adjust connection tooth using the rotating speed of output section 5 as target The speed of gear structure 26 so that it is matched rapidly in a manner of connection gear structure 26 and the speed of output shaft 24 are effective by the time, Synchronize the required time to reduce synchronizer 6, reduce intermediate energy loss, at the same can also realize synchronizer 6 without torque Engagement greatly improves the transmission efficiency, synchronous controllability and synchronous real-time of vehicle.In addition, the service life of synchronizer 6 obtains Further to extend, to reduce the cost of vehicle maintenance.

In addition, using connection gear structure 26, the structure of power drive system 100 can be made compacter, be convenient for cloth It sets.Reduce the number of driven gear, and then reduce the axial dimension of power drive system, is conducive to the reduction of cost, simultaneously Also reduce arrangement difficulty.

Moreover, synchronizer 6 can be by its movement of an individual fork controls so that rate-determining steps are simple, use reliability Higher.

With reference to shown in Fig. 4-Fig. 6, about the kind of drive of the first dynamoelectric and power generation 41 and input shaft or output shaft, specifically, The output end of first dynamotor 41 is arranged to can be with one of driving gear direct-drive or indirect drive.

For example, power drive system 100 further includes jackshaft 43, the first countershaft-gear is fixedly installed on jackshaft 43 431 and second countershaft-gear 432, one in gear 432 and one of them are taken out among the first countershaft-gear 431 and second Driving gear 25 engages, such as in the example of Fig. 4-Fig. 5, and the active on gear 431 and the second input shaft 22 is taken out among first Gear 25 engages, and but the invention is not restricted to this.

According to some embodiments of the present invention, the output end of the first dynamotor 41 and the first countershaft-gear 431 and Another direct-drive in second countershaft-gear 432 passes through 44 indirect drive of intermediate idler.Such as the example in Fig. 4 In, pass through 44 indirect drive of intermediate idler between the output end of the first dynamotor 41 and the second countershaft-gear 432. For another example in the example of hgure 5, the output end of the first dynamotor 41 directly with the engaged transmission of the second countershaft-gear 432.

With reference to shown in Fig. 6, the output end of the first dynamotor 41 directly with a gear in connection gear structure 26 Portion is engaged, for example, the first dynamotor 41 output end directly with the engaged transmission of first gear portion 261.

However, it should be understood that the present invention is not limited thereto, it, can for the position of the first dynamotor 41 To set according to actual needs and flexibly.

With reference to shown in Fig. 4-Fig. 6, the independent torque input for being responsible for engine unit 1 in first gear portion 261, second gear portion 262 can be responsible for the torque input of engine unit 1 and the first dynamotor 41 simultaneously, also can individually be responsible for wherein one certainly Side.

The side towards synchronizer 6 of connection gear structure 26 can be fixedly installed engagement gear ring 52 (in conjunction with shown in Fig. 1), Synchronizer 6 is adapted to engage with the engagement gear ring 52, is rigidly connected with same with output shaft 24 to join gear structure 26 Step rotation.

In addition, as another variant, multiple input axis may include the first input shaft 21,22 and of the second input shaft Third input shaft 23, the second input shaft 22 are coaxially set on the first input shaft 21, and third input shaft 23 is coaxially set in On second input shaft 22, there are one driving gears 25 for fixed setting on each input shaft, and accordingly, connection gear structure is three Join gear, the triple gear have first gear portion, second gear portion and third gear part, three gear parts respectively with three Driving gear on input shaft accordingly engages, to constitute three pairs of shift gear pairs.

Further, can be connected by three clutches between three input shafts of engine unit 1 and this, that is, use in Fig. 3 Identical connection type between engine unit 1 and input shaft is in succinct purpose, repeats no more here, please with reference to The above-mentioned description as described between engine unit 1, three clutches and input shaft.

Generally speaking, power drive system 100 according to the ... of the embodiment of the present invention, due to being cut into action edge using synchronizer 6 Change, and synchronizer 6 have it is small, simple in structure, bear many advantages, such as torque big, transmission efficiency, therefore according to this hair The volume of the power drive system 100 of bright embodiment is reduced, structure is compacter, and transmission efficiency can simultaneously meet big torsion Square transmission requires.

Meanwhile being compensated by the speed governing of the first dynamotor 41, synchronizer 6 may be implemented and engaged without torque, ride comfort More preferably, and engaging speed and dynamic response faster, compare the conventional clutch kind of drive, can bear the torque of bigger without Failure phenomenon occurs, greatly increases the stability and reliability of transmission.

In addition, further providing the vehicle for including power drive system 100 as described above according to an embodiment of the invention .It should be understood that other compositions of vehicle according to the ... of the embodiment of the present invention such as driving system, steering, braking system System etc. has been the prior art and has been well known for ordinary skill in the art, therefore herein to the detailed description of conventional construction It is omitted.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office What can be combined in any suitable manner in one or more embodiments or example.In addition, those skilled in the art can say this Different embodiments or examples described in bright book are engaged and are combined.

Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims (24)

1. a kind of power drive system for vehicle, which is characterized in that including:
Engine unit;
Gearbox unit is connect with the engine unit power coupling to the being suitably selected for property of gearbox unit;
First dynamotor, first dynamotor are connect with the gearbox unit power coupling;
Output section, the output section are configured to the power transmission by gearbox unit output to the first of the vehicle To wheel;
First driving motor and the second driving motor, first driving motor are arranged to and a connection in second pair of wheel It is dynamic, second driving motor be arranged to another linkage in second pair of wheel, the pair of wheels is front-wheel With a pair in trailing wheel, second pair of wheel is the another pair in the front-wheel and the trailing wheel;And
Anti-skidding synchronizer, the anti-skidding synchronizer is arranged to optionally synchronize second pair of wheel, so that described Second pair of wheel synchronous rotary.
2. the power drive system according to claim 1 for vehicle, which is characterized in that first driving motor with The corresponding wheel and second driving motor pass through gear structure indirect drive with the corresponding wheel.
3. the power drive system according to claim 2 for vehicle, which is characterized in that
It is provided with first gear, first driving motor on the corresponding first motor power output shaft of first driving motor The corresponding wheel is connected with the first semiaxis, and second gear is provided on first semiaxis;The power drive system is also Including:Third gear and the 4th gear, the third gear is engaged with the first gear and the 4th gear and described the Two gears engage, and the third gear is coaxially arranged with the 4th gear and can synchronous rotary;And
It is provided with the 5th gear, second driving motor on the corresponding second motor power output shaft of second driving motor The corresponding wheel is connected with the second semiaxis, and the 6th gear is provided on second semiaxis;The power drive system is also Including:7th gear and eighth gear, the 7th gear is engaged with the 5th gear and the eighth gear and described the Six gears engage, and the 7th gear is coaxially arranged with the eighth gear and can synchronous rotary.
4. the power drive system according to claim 3 for vehicle, which is characterized in that the anti-skidding synchronizer setting On first semiaxis and it is arranged to be selectively engageable the 6th gear.
5. the power drive system according to claim 3 for vehicle, which is characterized in that the anti-skidding synchronizer setting On the first motor power output shaft and it is arranged to be selectively engageable the 5th gear.
6. the power drive system according to claim 3 for vehicle, which is characterized in that the third gear with it is described 4th gear is fixed on first gear axis, and the 7th gear is fixed on the eighth gear on second gear axis;And
The anti-skidding synchronizer is arranged on the first gear axis and is arranged to be selectively engageable the 7th gear.
7. the power drive system according to claim 1 for vehicle, which is characterized in that first driving motor with The corresponding wheel is coaxially connected and second driving motor is coaxially connected with the corresponding wheel.
8. the power drive system according to claim 7 for vehicle, which is characterized in that the anti-skidding synchronizer setting On the corresponding first motor power output shaft of first driving motor and it is arranged to be selectively engageable second drive The corresponding second motor power output shaft of dynamic motor.
9. the power drive system according to claim 1 for vehicle, which is characterized in that further include:
Synchronizer, the synchronizer are arranged to be suitable for optionally synchronizing between the output section and the gearbox unit To carry out power transmission or cut-out power transmission.
10. the power drive system according to claim 9 for vehicle, which is characterized in that the gearbox unit packet It includes:
Transmission power input unit, the transmission power input unit are selectively engageable with the engine unit, to pass Power caused by the defeated engine unit;And
Transmission power output section, the transmission power output section are configured and adapted to that the transmission power input unit will be come from On power by the synchronization of the synchronizer by the power output to the output section.
11. power drive system according to claim 10, which is characterized in that the transmission power input unit is further Including:Input shaft, the input shaft are selectively engageable with the engine unit;Driving gear, the driving gear are set It sets on the input shaft;And
The transmission power output section further comprises:Output shaft;Driven gear, the driven gear are arranged in the output It is accordingly engaged on axis and with the driving gear on the input shaft.
12. power drive system according to claim 11, which is characterized in that the synchronizer is arranged in the output shaft On, the output section relative to the output shaft can differential rotation, the synchronizer is selectively engageable the output section so that The output section is rotated with the output shaft synchronous.
13. the power drive system according to claim 12 for vehicle, which is characterized in that the input shaft is more A, the sequentially coaxially nested setting of the multiple input shaft, each fixed on the input shaft there are one driving gears.
14. the power drive system according to claim 13 for vehicle, which is characterized in that the multiple input shaft packet The first input shaft and the second input shaft are included, second input axle sleeve is located on first input shaft;And
Fixed setting is there are two driven gear on the output shaft, described two driven gears respectively on first input shaft It is accordingly engaged with the driving gear on second input shaft.
15. the power drive system according to claim 14 for vehicle, which is characterized in that further include:
Double clutch, the double clutch have input terminal, the first output end and second output terminal, the engine unit and institute The input terminal for stating double clutch is connected, the first output end of the double clutch be connected with first input shaft and it is described pair from The second output terminal of clutch is connected with second input shaft.
16. the power drive system according to claim 13 for vehicle, which is characterized in that the multiple input shaft packet The first input shaft, the second input shaft and third input shaft are included, second input axle sleeve is located on first input shaft, described Third input axle sleeve is located on second input shaft;And
Fixed setting is there are three driven gear on the output shaft, three driven gears respectively with first input shaft Driving gear on upper, second input shaft and the third input shaft accordingly engages.
17. the power drive system according to claim 16 for vehicle, which is characterized in that further include:
Three clutches, three clutch have input terminal, the first output end, second output terminal and third output end, the hair Motivation unit is connected with the input terminal of three clutch, the first output end of three clutch and the first input shaft phase Even, the second output terminal of three clutch is connected and the third output end of three clutch and institute with second input shaft Third input shaft is stated to be connected.
18. power drive system according to claim 11, which is characterized in that the driven gear is connection gear structure And relative to the output shaft can differential rotation, the gear structure has multiple gear parts, the multiple gear part difference It is accordingly engaged with the driving gear on multiple input shafts;
The output section is fixed on the output shaft;
There are one driving gears for fixed setting on each input shaft;And
The synchronizer is arranged on the output shaft and is arranged to be selectively engageable the gear structure.
19. the power drive system according to claim 18 for vehicle, which is characterized in that
The multiple input shaft includes the first input shaft and the second input shaft, and second input axle sleeve is located at first input On axis;And
The gear structure is duplicate gear, and the duplicate gear has first gear portion and a second gear portion, described the One gear part and the second gear portion are accordingly engaged with two driving gears respectively.
20. the power drive system according to claim 19 for vehicle, which is characterized in that further include:
Double clutch, the double clutch have input terminal, the first output end and second output terminal, the engine unit and institute The input terminal for stating double clutch is connected, the first output end of the double clutch be connected with first input shaft and it is described pair from The second output terminal of clutch is connected with second input shaft.
21. the power drive system according to claim 18 for vehicle, which is characterized in that the multiple input shaft packet The first input shaft, the second input shaft and third input shaft are included, second input axle sleeve is located on first input shaft, described Third input axle sleeve is located on second input shaft;And
The gear structure is triple gear, and the triple gear has first gear portion, second gear portion and third tooth Wheel portion, the first gear portion, the second gear portion and third gear part are accordingly nibbled with three driving gears respectively It closes.
22. the power drive system according to claim 21 for vehicle, which is characterized in that further include:
Three clutches, three clutch have input terminal, the first output end, second output terminal and third output end, the hair Motivation unit is connected with the input terminal of three clutch, the first output end of three clutch and the first input shaft phase Even, the second output terminal of three clutch is connected and the third output end of three clutch and institute with second input shaft Third input shaft is stated to be connected.
23. the power drive system according to claim 1 for vehicle, which is characterized in that the output section is configured to Main reducing gear driving gear, the main reducing gear driving gear are engaged with the main reducing gear driven gear being arranged on differential mechanism, The differential mechanism is power-locking differential.
24. a kind of vehicle, which is characterized in that include the power drive system according to any one of claim 1-21.
CN201410458271.1A 2014-09-10 2014-09-10 Power drive system for vehicle and the vehicle with it CN105459789B (en)

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CN109664755A (en) * 2018-12-28 2019-04-23 北汽福田汽车股份有限公司 Transfer gear, the control system of transfer gear, transmission system and vehicle

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CN102678871A (en) * 2012-05-09 2012-09-19 北京汽车新能源汽车有限公司 Electric vehicle and three-clutch transmission device for same
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