CN105459797B - Speed changer, power drive system and vehicle - Google Patents

Abstract

The invention discloses a kind of speed changer, power drive system and vehicles.The speed changer includes：Multiple input axis and multiple output shafts；First and second reverse idler gears, second reverse idler gear is engaged with the gear driving gear on one in input shaft, and the first reverse idler gear is arranged to move between the position of engagement and disengaged position along the axial of output shaft relative to the second reverse idler gear；Motor power axis, motor power axis first gear and motor power axis second gear and the motor power axis synchronizer between motor power axis first gear and motor power axis second gear are set on motor power axis, motor power axis first gear can be arranged to link with one in input shaft or link with another with the first reverse idler gear engaged transmission positioned at the position of engagement, motor power axis second gear.The speed changer of the present invention can enrich the transmission mode of the power drive system with the speed changer at least to a certain extent.

Description

Speed changer, power drive system and vehicle

Technical field

The present invention relates to technical field of vehicle, more particularly, to a kind of speed changer, with the powertrain of the speed changer System, the vehicle with the power drive system.

Background technology

With the continuous consumption of the energy, the development and utilization of new energy vehicle has been increasingly becoming a kind of trend.Hybrid power Automobile is driven as one kind in new energy vehicle by engine and/or motor, is had various modes, can be improved Transmission efficiency and fuel economy.

But it is known for inventor the speed changer structure in hybrid vehicle is generally complex in the related technology, The drive path that can be provided is less, causes the power drive system transmission mode with the speed changer few and single, transmission effect Rate is relatively low.

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, the present invention proposes a kind of speed changer, which can enrich power transmission at least to a certain extent The transmission mode of system.

The invention also provides a kind of power drive system, which has abundant transmission mode.

The invention also provides a kind of vehicle, which includes above-mentioned power drive system.

Speed changer according to the ... of the embodiment of the present invention, including：Multiple input axis is each provided with gear master on the input shaft Moving gear；Multiple output shafts are each provided with gear driven gear, the gear driven gear and the gear on the output shaft Position driving gear accordingly engages；First reverse idler gear and the second reverse idler gear, second reverse idler gear It is engaged with the gear driving gear on one in the input shaft, first reverse idler gear is arranged to relatively described Two reverse idler gears can be moved along the axial of the output shaft between the position of engagement and disengaged position；Motor power axis, institute It states motor power axis overhead set and is provided with motor power axis first gear and motor power axis second gear, the motor power axis On be additionally provided with motor power axis between the motor power axis first gear and the motor power axis second gear Synchronizer, wherein the motor power axis first gear is arranged to reverse gear center tooth with positioned at the first of the position of engagement Wheel engaged transmission, and when first reverse idler gear is located at the disengaged position motor power axis first gear and First reverse idler gear is disengaged from, the motor power axis second gear be arranged to in the input shaft described in One linkage links with another.

Speed changer according to the ... of the embodiment of the present invention can enrich the power with the speed changer and pass at least to a certain extent The transmission mode of dynamic system.

The power drive system of embodiment according to a further aspect of the invention, including the speed changer in above-described embodiment and One dynamotor, first dynamotor are arranged to link with the motor power axis.

Power drive system according to the ... of the embodiment of the present invention has abundant transmission mode.

The vehicle of embodiment according to a further aspect of the present invention, including the power drive system in above-described embodiment.

Description of the drawings

Fig. 1 is the schematic diagram of speed changer according to an embodiment of the 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 speed changer in accordance with another embodiment of the present invention；

Fig. 4 is the schematic diagram of power drive system in accordance with another embodiment of the present 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.

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 at least two, such as two It is a, three etc., 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 to be electrically connected or can communicate with one another；It can be directly connected, can also indirectly connected through an intermediary, it can To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art, The specific meanings of the above terms in the present invention can be understood according to specific conditions.

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 is described in detail with reference to Fig. 1-Fig. 8, the power Transmission system 100 is normal vehicle operation suitable for the vehicle of such as hybrid vehicle, and as the dynamical system of vehicle Sufficient power and electric energy are provided.

Power drive system 100 according to the ... of the embodiment of the present invention includes mainly two large divisions, and one can be power source, power Source can be engine 4, dynamotor etc., secondly can be speed changer (as shown in figures 1 and 3), speed changer is for realizing right Power source exports the speed changing function of power, meets vehicle driving requirements or charging requirement etc..

For example, in some embodiments, as shown in Fig. 2, Fig. 4-Fig. 8, power drive system 100 may include engine 4, First dynamotor 51 and speed changer, but not limited to this.

In conjunction with shown in Fig. 1 and Fig. 3, in some embodiments, speed changer includes mainly multiple input axis (for example, first is defeated Enter axis 11, the second input shaft 12), multiple output shafts (for example, the first output shaft 21, second output shaft 22) and motor power axis 3 And associated gear and shifting element (e.g., synchronizer) on each axis.

When being transmitted into action edge between engine 4 and input shaft, engine 4 is arranged to be selectively engageable multiple defeated Enter at least one of axis.In other words, for example, when engine 4 transmits power to input shaft, engine 4 can be selectively Engaged with one in multiple input axis with transmit power or engine 4 can also selectively in multiple input axis Two or more input shafts are simultaneously engaged with to transmit power.

For example, in the example of Fig. 1-Fig. 8, multiple input axis may include 12 liang of the first input shaft 11 and the second input shaft Root input shaft, engine 4 can be engaged selectively with one of the first input shaft 11 and the second input shaft 12 to transmit power.Or Person, particularly, engine 4 can also simultaneously engage with the first input shaft 11 and the second input shaft 12 to transmit power.Certainly, should Understand, engine 4 can also be disconnected with the first input shaft 11 and the second input shaft 12 simultaneously.

For the ordinary skill in the art, the engagement state and power drive system of engine 4 and input shaft 100 specific operating mode is related, this will be described in detail, is no longer described in detail here in conjunction with specific embodiments below.

It can be driven by shift gear pair between input shaft and output shaft.For example, being respectively provided on each input shaft There is gear driving gear, gear driven gear, gear driven gear and gear driving gear pair are both provided on each output shaft It engages with answering, to constitute the different gear pair of multipair speed ratio.

In some embodiments of the invention, speed changer can be five advance shift transmissions, that is, have first gear pair, two Keep off gear pair, three gear gear pairs, four gear gear pairs and five gear gear pairs.But the present invention is not limited thereto, for this field For those of ordinary skill, it can be needed according to transmission and adaptability increases or decreases the number of shift gear pair, however it is not limited to Five gear transmission shown in the embodiment of the present invention.

As Figure 1-Figure 8, motor power axis first gear 31, motor power axis second are disposed on motor power axis 3 Gear 32 and motor power axis synchronizer 33c, 32 equal empty set of motor power axis first gear 31 and motor power axis second gear On motor power axis 3, that is to say, that motor power axis 3 and motor power axis first gear 31 can differential rotate, it is similar Ground, motor power axis 3 also being capable of differential rotations with motor power axis second gear 32.

Further, motor power axis synchronizer 33c is arranged in motor power axis first gear 31 and motor power axis second Between gear 32, the clutch collar of motor power axis synchronizer 33c can be along the axial movement of motor power axis 3, such as in Fig. 1-Fig. 8 Example in, the clutch collar of motor power axis synchronizer 33c can be under the driving of shifting fork mechanism along the axial direction of motor power axis 3 Movement to the left or to the right.

Motor power axis synchronizer 33c can be selectively by motor power axis first gear 31 and motor power axis second One of gear 32 is engaged with motor power axis 3.For example, the clutch collar of motor power axis synchronizer 33c is moved to the left and can engage Motor power axis first gear 31, motor power axis second gear 32 can be engaged by moving right.

Explanation is needed a bit, for the ease of motor power axis first gear 31, motor power axis second gear 32 and motor Line shaft synchronizer 33c is engaged, the direction electricity of motor power axis first gear 31 and motor power axis second gear 32 The side of mechanomotive force axis synchronizer 33c can be provided with engagement gear ring, this for the ordinary skill in the art, should All it will be appreciated that.

Wherein, motor power axis first gear 31 be arranged to indirectly with the gear driving tooth on one in input shaft Wheel transmission.Specifically, power drive system 100 further includes the first reverse idler gear 72 and the second reverse idler gear 73, First reverse idler gear 72 be arranged to opposite second reverse idler gear 73 can along output shaft it is axial the position of engagement with point It offs normal and is moved between setting.

In some embodiments of the invention, can be provided with can be with shift fork machine for the side of the first reverse idler gear 72 The matched engagement gear ring of structure, shifting fork mechanism by stir the engagement gear ring to driving the first reverse idler gear 72 in an axial direction into Action is made, but the present invention is not limited thereto.

In short, power drive system 100 according to the ... of the embodiment of the present invention, the first reverse idler gear 72 and second falls It is that can rotate synchronously and can be movable relatively in the axial direction to keep off intermediate gear 73.

Optionally, the first reverse idler gear 72 can be connected with the second reverse idler gear 73 by free-sliding spline respective outer side edges It connects, but not limited to this.It for the ordinary skill in the art, can be in conjunction with the prior art of automotive field, to above-mentioned Free-sliding spline structure modify and/or modification and/or replacement, as long as ensureing that the first reverse idler gear 72 can be with respect to the Two reverse idler gears 73 can act in an axial direction, and the first reverse idler gear 72 can be same with the second reverse idler gear 73 Step rotation, it is above-mentioned only to be shown by free-sliding spline cooperation with the first reverse idler gear 72 and the second reverse idler gear 73 Meaning property, it is not to be construed as a kind of limitation to the present invention or implies the first reverse idler gear 72 and second of the present invention Reverse idler gear 73 must use above-mentioned free-sliding spline structure.

Wherein, when the first reverse idler gear 72 is in the position of engagement, motor power axis first gear 31 is arranged to Enough and 72 engaged transmission of the first reverse idler gear, and when the first reverse idler gear 72 is in disengaged position, motor power Axis first gear 31 is disengaged from the first reverse idler gear 72.

In conjunction with shown in Fig. 1-Fig. 8, in some embodiments, shifting fork mechanism can drive the first reverse idler gear 72 in an axial direction It is moved to the left the position of engagement, so that the first reverse idler gear 72 is engaged with motor power axis first gear 31, or Shifting fork mechanism can also drive the first reverse idler gear 72 to be moved right in an axial direction to disengaged position, so that during first reverses gear Between gear 72 detached with motor power axis first gear 31, that is, be disengaged from.

Wherein, the gear active of the second reverse idler gear 73 and one upper (for example, second input shaft) in input shaft Gear engages.Such as in the example of Fig. 1-Fig. 8, the second reverse idler gear 73 is and two gear actives on the second input shaft 12 Gear 2a engagements.

As a result, when the first reverse idler gear 72 is in the position of engagement, motor power axis first gear 31 is by with One reverse idler gear, 72 engaged transmission, to indirectly by the first reverse idler gear 72, the second reverse idler gear 73 And it is driven with two gear driving gear 2a.

Wherein, motor power axis first gear 31 can be as the power output end for operating mode of reversing gear, in other words, in the present invention Some embodiments in, the partial action of motor power axis first gear 31 is equivalent to the effect of reverse gear, for export fall Keep off power.

For motor power axis second gear 32, the gear be arranged to it is one or another in input shaft A linkage.

In other words, in some embodiments of the invention, in conjunction with shown in Fig. 3-Fig. 4,32 He of motor power axis second gear Second reverse idler gear 73 links with the same input shaft (for example, second input shaft).In the implementation of Fig. 3-Fig. 4 In example, motor power axis second gear 32 can keep off driving gear by four on the second intermediate idler 62 and the second input shaft 12 4b is driven.Second intermediate idler 62 can be structured as duplicate gear, to an a part i.e. tooth for the second intermediate idler 62 Wheel portion 621 with four gear driving gear 4a engage and another part of the second intermediate idler 62 i.e. another gear part 622 then with electricity Mechanomotive force axis second gear 32 engages.Optionally, of course, motor power axis second gear 32 can also be with four gear driving gear 4a Directly engaged transmission.

And in other embodiments of the present invention, in conjunction with shown in Fig. 1-Fig. 2, Fig. 5-Fig. 8, motor power axis second gear 32 are linked with another in input shaft, that is to say, that in some embodiments, motor power axis second gear 32 It links respectively with different input shafts from the second reverse idler gear 73.For example, in the example of Fig. 1-Fig. 2, Fig. 5-Fig. 8 In, motor power axis second gear 32 and the first input shaft 11 link, and specifically, transmission are fixedly installed on the first input shaft 11 Gear 6, the second reverse idler gear 73 and the 6 engageable transmission of transmission gear, or as Figure 1-Figure 2, during second reverses gear Between gear 73 can be fallen respectively with second by the first intermediate idler 61 and 6 indirect drive of transmission gear, i.e. the first intermediate idler 61 It keeps off intermediate gear 73 and transmission gear 6 engages.Optionally, 61 empty set of the first intermediate idler is on the second output shaft 22, but unlimited In this.

It should be noted that above-mentioned " linkage " can be understood as multiple components (for example, two) coupled movements, with two For component linkage, wherein when a component movement, another component also moves therewith.

For example, in some embodiments of the invention, gear and axis linkage can be understood as when gear rotates and it The axis of linkage also will rotation, or when the axis rotate, the gear that links with it will also rotate.

For another example, when the linkage of axis and axis can be understood as that an axis rotates wherein, another axis linking with it also general Rotation.

For another example, link when gear and gear-linked can be understood as that a gear rotates wherein, with it another Gear also will rotation.

In the description in relation to " linkage " below the present invention, if without specified otherwise, it is understood in this way.

As shown in Fig. 2, Fig. 4-Fig. 8, the first dynamotor 51 is arranged to link with motor power axis 3.For example, the One dynamotor 51, can be by the power output of generation to motor power axis 3 when as electric motor operation.For another example, first When dynamotor 51 is as generator operation, the power from motor power axis 3 can be exported to the first dynamotor 51, To which the first dynamotor 51 of driving generates electricity.

Here, explanation is needed a bit, in the description of the invention in relation to " dynamotor ", if without specified otherwise, The dynamotor can be understood as having generator and the motor of motor function.

Need explanation a bit, in the description of the present invention, motor power axis 3 can be the first dynamotor 51 itself Motor shaft.It is, of course, understood that the motor shaft of motor power axis 3 and the first dynamotor 51 can also be two lists Only axis.

As described above, the first reverse idler gear 72 and the second reverse idler gear 73 can move to axial, In some embodiments of the invention, set 731 with teeth is set on second reverse idler gear 73, and tooth set 731 can be empty set It is arranged on the second output shaft 22, the first reverse idler gear 72 is set on tooth set 731 and opposite tooth set 731 can be along axis To movement, wherein tooth set 731 may be integrally formed in the side of the second reverse idler gear 73, and in other words, tooth set 731 can be with It is a part for the second reverse idler gear 73, above-mentioned free-sliding spline can be arranged to reverse gear centre in tooth set 731 and first Between gear 72.

Input shaft, output shaft and each shift gear are described in detail with reference to the embodiment of Fig. 1-Fig. 8.

In some embodiments of the present invention, as Figure 1-Figure 8, input shaft can be two, i.e., input shaft includes first Input shaft 11 and the second input shaft 12, the second input shaft 12 can be hollow shafts, and the first input shaft 11 can be solid shafting, first The a part of of input shaft 11 can be embedded in the second hollow input shaft 12, and another part of the first input shaft 11 can be from second Axially outward in input shaft 12, the first input shaft 11 and the second input shaft 12 can be coaxially arranged.

Output shaft can be two, i.e. the first output shaft 21 and the second output shaft 22, the output of the first output shaft 21 and second Axis 22 is arranged in parallel with input shaft, and the first output shaft 21 and the second output shaft 22 can be solid shafting.

Power drive system 100 according to the ... of the embodiment of the present invention can have five forward ranges, specifically, the first input shaft Odd number gear driving gear can be arranged on 11, can arrange that even number keeps off driving gear on the second input shaft 12, to which first is defeated Enter the power transmission that axis 11 is responsible for odd number shift gear pair, the power that the second input shaft 12 is responsible for even number shift gear pair transmits.

More specifically, as Figure 1-Figure 8, a gear driving gear 1a, three gear masters can be disposed on the first input shaft 11 Moving gear 3a and five keeps off driving gear 5a, and the gear driving gears of two gear driving gear 2a and four can be disposed on the second input shaft 12 4a, each gear driving gear are rotated synchronously with corresponding input shaft.

Accordingly, a gear driven gear 1b, two gear driven gear 2b, three gear driven gears are provided on the first output shaft 21 3b and four keeps off driven gear 4b, is provided with five gear driven gear 5b on the second output shaft 22, each equal empty set of driven gear is right On the output shaft answered, i.e., each driven gear being capable of differential rotation relative to corresponding output shaft.

Wherein, a gear driven gear 1b engages to constitute first gear pair, two gear driven tooths with a gear driving gear 1a Wheel 2b engages to constitute second gear pair with two gear driving gear 2a, and three gear driven gear 3b are engaged with three gear driving gear 3a To constitute three gear gear pairs, four gear driven gear 4b engage to constitute four gear gear pairs, five gears with four gear driving gear 4a Driven gear 5b engages to constitute five gear gear pairs with five gear driving gear 5a.

Due to being empty set structure between driven gear and output shaft, it is therefore desirable to synchronizer be arranged to corresponding driven gear It is synchronized with output shaft, to realize the output of power.

In some embodiments, in conjunction with shown in Fig. 1-Fig. 8, power drive system 100 includes one or three gear synchronizer 13c, two Four gear synchronizer 24c and five gear synchronizer 5c.

As shown in Figure 1, one or three gear synchronizer 13c are arranged on the first output shaft 21 and positioned at a gear driven gear 1b and three It keeps off between driven gear 3b, one or three gear synchronizer 13c can be by a gear driven gear 1b or three gear driven gear 3b and the first output Axis 21 is engaged, to enable the driven gear and output shaft to rotate synchronously.

For example, in conjunction with shown in Fig. 1, the clutch collars of one or three gear synchronizer 13c be moved to the left can by three gear driven gear 3b with First output shaft 21 engages, to which three gear driven gear 3b can be rotated synchronously with the first output shaft 21.One or three gear synchronizer 13c Clutch collar move right can by one gear driven gear 1b be engaged with the first output shaft 21, to one keep off driven gear 1b and first Output shaft 21 can rotate synchronously.

As shown in Figure 1, similarly, two or four gear synchronizer 24c are arranged on the first output shaft 21 and positioned at two gear driven tooths Between taking turns the gears of 2b and four driven gear 4b, two or four gear synchronizer 24c can by two gear driven gear 2b or four gear driven gear 4b with First output shaft 21 is engaged, to enable the driven gear and output shaft to rotate synchronously.

For example, in conjunction with shown in Fig. 1, the clutch collars of two or four gear synchronizer 24c be moved to the left can by two gear driven gear 2b with First output shaft 21 engages, to which two gear driven gear 2b and the first output shaft 21 are rotated synchronously.Two or four gear synchronizer 24c's connects Trap, which moves right, to engage four gear driven gear 4b with the first output shaft 21, to four gear driven gear 4b and the first output Axis 21 rotates synchronously.

As shown in Figure 1, similarly, five gear synchronizer 5c are arranged on the second output shaft 22, five gear synchronizer 5c are located at five The side of driven gear 5b, such as left side are kept off, five gear synchronizer 5c are used to meet five gear driven gear 5b with the second output shaft 22 It closes, such as the clutch collar of five gear synchronizer 5c moves right, then five gear driven gear 5b can be engaged with the second output shaft 22, from And five gear driven gear 5b and the second output shaft 22 rotate synchronously.

The embodiment of-Fig. 8 referring to Fig.1, since the first reverse idler gear 72 and the second reverse idler gear 73 are respectively positioned on On second output shaft 22, and five gear driven gear 5b also are located on the second output shaft 22, and five gear synchronizer 5c are served only for connecing Close five gear driven gear 5b, therefore as a preferred embodiment, the first reverse idler gear 72 and five gear synchronizer 5c A shifting fork mechanism can be shared, a set of shifting fork mechanism is thereby reduced so that the structure of power drive system 100 is more stepped up It gathers, is smaller.

Below to the action process by five gear synchronizer 5c and the first reverse idler gear 72 of same shifting fork mechanism driving It is briefly described.In conjunction with shown in Fig. 1, move right in the clutch collar of the five gear synchronizer 5c of shift fork driving of the shifting fork mechanism When, five gear synchronizer 5c can engage five gear driven gear 5b, and the first reverse idler gear 72 can be at disengaged position at this time. When the shift fork of the shifting fork mechanism drives the first reverse idler gear 72 to be moved to the left the position of engagement, the engagement of five gear synchronizer 5c Set does not engage five gear driven gear 5b.Certainly, drive the first reverse idler gear 72 and five gear same herein in relation to shifting fork mechanism The action process of the clutch collar of step device 5c is only illustrative, and is not to be construed as a kind of limitation to the present invention.

In some embodiments of the invention, the first reverse idler gear 72, the second reverse idler gear 73 and motor Power axis first gear 31 can be straight-tooth gear.

In some embodiments of the invention, the first input shaft 11 of engine 4 and speed changer and the second input shaft 12 it Between can be by double clutch 2d into action edge transmit or detach.

With reference to shown in Fig. 2, Fig. 4-Fig. 8, double clutch 2d has input terminal 23d, the first output end 21d and second output terminal 22d, engine 4 are connected with the input terminal 23d of double clutch 2d, specifically, engine 4 can by flywheel, damper or The diversified forms such as reverse plate are connected with the input terminal 23d of double clutch 2d.

The first output end 21d of double clutch 2d is connected with the first input shaft 11, to the first output end 21d and first 11 synchronous rotary of input shaft.The second output terminal 22d of double clutch 2d is connected with the second input shaft 12, to the second output terminal 12 synchronous rotary of 22d and the second input shaft.

Wherein, the input terminal 23d of double clutch 2d can be the shell of double clutch 2d, the first output end 21d and Two output end 22d can be two driven discs.Usually, shell and two driven discs can be disconnected all, i.e. input terminal 23d It is disconnected with the first output end 21d and second output terminal 22d, when needing to engage one of driven disc, shell can be controlled Engage to synchronous rotary with corresponding driven disc, i.e. input terminal 23d and the first output end 21d and second output terminal 22d it One engagement, to which the input terminal 23d power transmitted can be defeated by one in the first output end 21d and second output terminal 22d Go out.

Particularly, shell can also be engaged with two driven discs simultaneously, i.e. input terminal 23d can also be exported with first simultaneously 21d and second output terminal 22d engagements are held, to which the input terminal 23d power transmitted can be simultaneously by the first output end 21d and second Output end 22d outputs.

It should be appreciated that the specific engagement state of double clutch 2d 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 to input terminal 23d with It is switched in the various modes that two output ends are all off and at least one input terminal 23d and two output ends engage.

With reference to Fig. 2, Fig. 4-Fig. 8 to three power output shafts (i.e. the first output shaft 21, the second output shaft 22 and motor Line shaft 3) relationship between differential for vehicles 75 is described in detail.

The differential mechanism 75 of vehicle can be arranged between a pair of of front-wheel or between a pair of rear wheels, in some examples of the present invention In, differential mechanism 75 is located between a pair of of front-wheel.The function of differential mechanism 75 is when turn inside diameter travels or on uneven road surface When driving, driving wheels are made to be rolled with different angular speed, to ensure to make PURE ROLLING between two side drive wheels and ground. Main reducing gear driven gear 74 is provided on differential mechanism 75, such as main reducing gear driven gear 74 can be arranged in differential mechanism 75 On shell.Main reducing gear driven gear 74 can be bevel gear, but not limited to this.

Further, the first output shaft output gear 211, the first output shaft output gear are fixedly installed on the first output shaft 21 Wheel 211 is rotated synchronously with the first output shaft 21, and the first output shaft output gear 211 engages biography with main reducing gear driven gear 74 It is dynamic, to which the power from the first output shaft 21 can be transferred to main reducing gear driven tooth from the first output shaft output gear 211 Wheel 74 and differential mechanism 75.

Similarly, the second output shaft output gear 221, the second output shaft output gear are fixedly installed on the second output shaft 22 Wheel 221 is rotated synchronously with the second output shaft 22, and the second output shaft output gear 221 engages biography with main reducing gear driven gear 74 It is dynamic, to which the power from the second output shaft 22 can be transferred to main reducing gear driven tooth from the second output shaft output gear 221 Wheel 74 and differential mechanism 75.

As described above, motor power axis first gear 31 is reversed gear power as the power output end output of reverse mode , therefore motor power axis first gear 31 is equally engaged with main reducing gear driven gear 74.And due to motor power axis first Gear 31 is also selectively engaged with the first reverse idler gear 72 simultaneously, while in order to obtain suitable speed ratio of reversing gear, as A kind of optional embodiment, motor power axis first gear 31 are configured to duplicate gear, the motor power of the duplex toothing A part for axis first gear 31 is optionally engaged with the first reverse idler gear 72, i.e., with positioned at the first of the position of engagement 72 engaged transmission of reverse idler gear, another part and main reducing gear of the motor power axis first gear 31 of the duplex toothing Driven gear 74 engages.

In other words, as shown in Fig. 2, Fig. 4-Fig. 8, one of motor power axis first gear 31 gear part 312 is optional It is engaged with the first reverse idler gear 72 to selecting property and another gear part 311 is engaged with main reducing gear driven gear 74.By This can not only obtain good speed ratio of reversing gear, while each gear will not interfere when the power that reverses gear transmits, and guarantee is reversed gear dynamic Power is transmitted reliable.

Some typical conditions of power drive system 100 according to the ... of the embodiment of the present invention include power generation in parking, double clutch 2d simultaneously engage in the case of while driving while charge, operating mode of reversing gear and the first dynamotor 51 2 gear speed governing.

Power generation in parking this typical condition is described first is in parking shape in vehicle for the embodiment of Fig. 2, Fig. 5-Fig. 8 When state, engine 4 is arranged to link with motor power axis second gear 32 in the power output of generation to multiple input shafts On input shaft (for example, first input shaft 11), and by motor power axis synchronizer 33c to motor power axis second gear 32 It synchronizes and outputs power to the first dynamotor 51, to which the first dynamotor 51 of driving generates electricity.

Specifically, the specific embodiment in conjunction with shown in Fig. 2, Fig. 5-Fig. 8, engine 4 can will move after vehicle parking Power is exported by double clutch 2d to the first input shaft 11, first input shaft 11 and the motor power axis on motor power axis 3 Second gear 32 is linkage, control motor power axis synchronizer 33c engagement motor powers axis 3 and motor power axis second gear 32, then the power that engine 4 exports will be from the first input shaft 11, transmission gear 6, the first intermediate idler 61, motor power axis the Two gears 32 and motor power axis synchronizer 33c are exported to motor power axis 3, this final partial power is defeated from motor power axis 3 Go out to the first dynamotor 51, to which the first dynamotor 51 of driving generates electricity as generator.

Hereby it is achieved that power generation in parking function, enriches charge mode, and vehicle is in static shape under power generation in parking operating mode State, the power of engine 4 can be completely used for charging, and improve charge efficiency, realize quick function of supplying power.

Similarly, for embodiment shown in Fig. 4, when parking is charged, the power that engine 4 exports passes through the second input Axis 12, four keep off driving gear 4a, the second intermediate idler 62 and export to motor power axis second gear 32, and pass through motor power Axis synchronizer 33c finally outputs power to the synchronization of motor power axis second gear 32 to the first dynamotor 51, from And the first dynamotor 51 is driven to generate electricity as generator.

Secondly charge in driving operating mode, under the operating mode, engine 4 in the case of description double clutch 2d is simultaneously engaged with A portion can be moved by conjugation while input terminal 23d is with the first output end 21d and second output terminal 22d Power exports the power to wheel to be travelled as vehicle by a wherein output shaft, and another part power is passed through motor The output of power axis 3 is to the first dynamotor 51, to which the first dynamotor 51 of driving generates electricity.

Specifically, in conjunction with the exemplary specific embodiments of Fig. 2, Fig. 5-Fig. 8, under the operating mode, a part of power of engine 4 It can input from the second input shaft 12 and be exported from the first output shaft 21, such as be exported by second gear pair or four gear gear pairs, Another part power of engine 4 can be from the first input shaft 11, motor power axis second gear 32, motor power axis synchronizer 33c, this path of motor power axis 3 are exported to the first dynamotor 51, to driving the first dynamotor 51 power generation.

In conjunction with shown in Fig. 4, in the embodiment, it is in double clutch 2d in power drive system 100 and simultaneously engages with While driving while charge operating mode when, engine 4 generate a part of power can from the first input shaft 11 input and can be from first Output shaft 21 or the output of the second output shaft 22, such as, three gear gear pairs secondary by first gear or five gear gear pair outputs, start Another part power that machine 3 generates can keep off driving gear 4b, motor power axis second gear 32, electricity from the second input shaft 12, four Output is to the first dynamotor 51 after mechanomotive force axis 3, to which the first dynamotor 51 of driving generates electricity.

In the power drive system due to tradition with double clutch, only there are one clutches in synchronization by double clutch 2d Device is in running order, and power drive system according to the ... of the embodiment of the present invention 100 is realized to the breakthrough of double clutch 2d Using that is, (input terminal 23d simultaneously engages with the first output end 21d under two clutch whole engagement states of double clutch 2d With second output terminal 22d) so that a part of power of engine 4 is travelled by an output shaft output driving vehicle, another part Power is then exported to the first dynamotor 51, and driving motor power generation enriches transmission mode, takes into account vehicle traveling and charging It is required that.

Two gear speed-regulating functions of the first dynamotor 51 are described again, specifically, in conjunction with shown in Fig. 2, Fig. 4-Fig. 8, by It is arranged between motor power axis first gear 31 and motor power axis second gear 32 in motor power axis synchronizer 33c, Motor power axis synchronizer 33c is switched to and the second tooth of motor power axis from the position engaged with motor power axis first gear 31 From the position engaged with motor power axis second gear 32 during the position of 32 engagement of wheel or in motor power axis synchronizer 33c During setting the position for being switched to and being engaged with motor power axis first gear 31, the first dynamotor 51 can be to motor power axis 31 rotating speed is adjusted.

For example, with motor power axis synchronizer 33c from the position engaged with motor power axis first gear 31 be switched to Illustrate for the position that motor power axis second gear 32 engages, since motor power axis first gear 31 and main reducing gear are driven The speed ratio of drive path is not between the speed ratio and motor power axis second gear 32 and main reducing gear driven gear 74 of gear 74 With, therefore during handoff synchronizer synchronous motor line shaft second gear 32, motor power axis second gear 32 with Motor power axis 3 is differential rotation, can increase the synchronization time of synchronizer in this way, while also increasing the abrasion of synchronizer, Reduce transmission efficiency, be susceptible to power interruption or for a long time can not synchronize caused by pause and transition in rhythm or melody sense.

At this point it is possible to control rotating speed of first dynamotor 51 based on motor power axis second gear 32 and regulation motor The rotating speed of line shaft 3 promotes as target or reduces turning for motor power axis 3 using the rotating speed of motor power axis second gear 32 Speed so that the rotating speed of motor power axis 3 can match (i.e. substantially phase within the shortest time with motor power axis second gear 32 Deng or it is close), so that motor power axis synchronizer 33c can be quickly engaged motor power axis second gear 32 and motor Power axis 3, reduce motor power axis synchronizer 33c synchronize the required time, greatly improve the transmission efficiency of vehicle, synchronization can Control property and synchronous real-time.In addition, the service life of motor power axis synchronizer 33c is further extended, to reduce vehicle The cost of maintenance.

Similarly, it is switched to from the position engaged with motor power axis second gear 32 in motor power axis synchronizer 33c During the position engaged with motor power axis first gear 31, the first dynamotor 51 can be based on the first tooth of motor power axis The rotating speed of the rotational speed regulation motor power axis 3 of wheel 31 is promoted or is reduced using 31 rotating speed of motor power axis first gear as target The rotating speed of motor power axis 3 so that the rotating speed of motor power axis 3 can within the shortest time with motor power axis first gear 31 matchings, to improve the joint efficiency of motor power axis synchronizer 33c.

To sum up, in short, motor power axis synchronizer 33c with motor power axis first gear 31 and motor power axis During one in two gears 32 engagement is switched to and is engaged with another, the first dynamotor 51 is arranged to motor power axis Another rotating speed in first gear 31 and motor power axis second gear 32 is that target carries out speed governing to motor power axis 3.

Power drive system 100 according to the ... of the embodiment of the present invention as a result, motor power axis synchronizer 33c is in motor power When switching bonding station between axis first gear 31 and motor power axis second gear 32, by the first dynamotor 51 to electricity The speed governing of mechanomotive force axis 3 so that the rotating speed of motor power axis 3 can be with gear to be joined (such as the first tooth of motor power axis Wheel 31 or motor power axis second gear 32) rotational speed matches, i.e. the first dynamotor 51 can be with gear to be joined Rotating speed is that the rotating speed of motor power axis 3 is adjusted in target, makes the rotating speed of the rotating speed and gear to be joined of motor power axis 3 It matches in a short time, facilitates the engagement of motor power axis synchronizer 33c, to substantially increase transmission efficiency, reduce intermediate The transmission of energy is lost.

For reverse mode possessed by power drive system 100 according to the ... of the embodiment of the present invention, it is broadly divided into machinery and falls Gear pattern, electronic reverse mode and mixed dynamic reverse mode.

Mechanical reverse mode is the car-backing function that vehicle is realized using the power of engine 4, is reversed gear in machinery in vehicle When pattern, engine 4 as power source by the power of generation via the second reverse idler gear 73 and be engaged with each other first Reverse idler gear 72 and motor power axis first gear 31 and export to motor power axis first gear 31, motor power axis the One gear 31 can finally output power to wheel, realize reversing.In short, when vehicle is in mechanical reverse mode, the One reverse idler gear 72 is in the position of engagement, thus with 31 engaged transmission of motor power axis first gear.

Electronic reverse mode is the car-backing function that vehicle is realized using the first dynamotor 51, and electromotive inverted is in vehicle Gear pattern, the first dynamotor 51 is as power source and by motor power axis synchronizer 33c to the first tooth of motor power axis Synchronizing for wheel 31 outputs power to motor power axis first gear 31, and motor power axis first gear 31 finally can be by power Output realizes reversing to wheel.

That is, the first dynamotor 51 is used as electric motor operation at this time, the power generated can pass sequentially through motor power Axis 3, motor power axis synchronizer 33c are exported to motor power axis first gear 31.

In short, being in electronic reverse mode, motor power axis synchronizer 33c engagement motor powers axis 3 and electricity in vehicle Mechanomotive force axis first gear 31.

Mixed dynamic reverse mode is that engine 4 and the first dynamotor 51 is utilized to realize the car-backing function of vehicle simultaneously, is mixed Dynamic reverse mode is the combination of above-mentioned mechanical reverse mode and electronic reverse mode.

Specifically, when vehicle is in mixed dynamic reverse mode, engine 4 passes through the power of generation as dynamic origin By the second reverse idler gear 73 and the first reverse idler gear 72 and the motor power axis first gear 31 that are engaged with each other It exports to motor power axis first gear 31.

At the same time, the first dynamotor 51 is used as another power source and by motor power axis synchronizer 33c to electricity Mechanomotive force axis first gear 31 synchronizes and outputs power to motor power axis first gear 31.That is, from engine 4 and the The two-part power of one dynamotor 51 is finally all exported from motor power axis first gear 31.

Under the pattern, the first reverse idler gear 72 is in the position of engagement, to be nibbled with motor power axis first gear 31 Close transmission, while motor power axis synchronizer 33c engagement motor powers axis 3 and motor power axis first gear 31.

The power drive system 100 can realize three kinds of reverse modes, i.e., mechanical reverse mode, the electronic mould that reverses gear as a result, Formula and mixed dynamic reverse mode, enrich operating mode of reversing gear, can flexibly be carried out in three kinds of reverse modes according to actual conditions Switching, meets driving demand.

For example, in the case of Vehicular battery carrying capacity abundance, electronic reverse mode may be used, so not in reversing Only will not discharge of noxious gases, and energy consumption can also be reduced, moved backward for position especially for new driver, it may be necessary to grasp Vehicle could repeatedly be poured into designated position by work, and engine 4 is due to will produce more pernicious gas in low-reverse, together When engine 4 be typically in non-economy rotary speed area in reversing, oil consumption is relatively high, uses electronic reverse mode can be at this time Improve this problem well, discharge can not only be reduced, while realizing that low-reverse energy consumption is relatively low as power using motor, There is certain improvement to the fuel economy of engine 4.

For another example, inadequate or lower in Vehicular battery carrying capacity, mechanical reverse mode may be used.For another example, In the case where needing quickly to move backward or need the operating modes such as high-power reversing, then mixed dynamic reverse mode may be used, increase the dynamic of vehicle Power facilitates reversing.

Certainly, the above-mentioned description as described in three kinds of reverse mode application environments is only illustrative, and is not to be construed as to this A kind of limitation of invention implies and must use above-mentioned corresponding reverse mode in the case where vehicle is in above-mentioned environment.For this field Those of ordinary skill for, it is clear that can as needed or actual conditions come falling needed for specific set under corresponding reversing environment Gear pattern.

Power drive system 100 according to some embodiments of the present invention, can also add the second dynamotor 52 with Increase the dynamic property of power drive system 100, enriches transmission mode.

For example, in wherein some embodiments, the second dynamotor 52 can be driven with main reducing gear driven gear 74, example Gear can be set on such as motor shaft of the second dynamotor 52, which directly engages biography with main reducing gear driven gear 74 It is dynamic.For another example, in further embodiments, the second dynamotor 52 can also be arranged to be connected with the first input shaft 11 or with One output shaft 21 is connected.For another example, in still other embodiments, the second dynamotor 52 is two and is separately positioned on differential mechanism 75 both sides, such as this two the second dynamotor 52 can become one with differential mechanism 75.Alternatively, engine above-mentioned 4 and first dynamotor 51 for driving front-wheel, the second dynamotor 52 can also be wheel motor and be used for trailing wheel, or It is two that the second dynamotor of person 52 can drive two trailing wheels or the second dynamotor 52 by a deceleration mechanism And a trailing wheel is driven by a deceleration mechanism respectively.

Electronic differential lock construction according to the ... of the embodiment of the present invention is described in detail below with reference to Fig. 5-Fig. 8, 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.

As shown in Figure 5-Figure 8, which includes third dynamotor 201, the 4th dynamotor 301 With anti-skidding synchronizer 503.Wherein, engine 4 and/or the first dynamotor 51 are for driving pair of wheels 76, third electricity Dynamic 201 and the 4th dynamotor 301 of generator is arranged for second pair of wheel 77 of driving, wherein before pair of wheels 76 is A pair in wheel and trailing wheel, second pair of wheel 77 are the another pair in front wheels and rear wheels.In the example of Fig. 5-Fig. 8, start Machine 4 and the first dynamotor 51 drive front-wheel, and third dynamotor 201 and the 4th dynamotor 301 are respectively used to drive Move two trailing wheels.

In conjunction with shown in Fig. 5-Fig. 8, third dynamotor 201 is arranged to link with one in second pair of wheel 77, changes Yan Zhi, third dynamotor 201 can output power to a wheel to drive a vehicle wheel rotation or third electricity Dynamic generator 201 can also absorb energy from a wheel, to generate electricity.

Similarly, the 4th dynamotor 301 is arranged to and another linkage in second pair of wheel 77, in other words, the Four dynamotor 301 can output power to another wheel to drive another vehicle wheel rotation or the 4th electronic Generator 301 can also absorb energy from another wheel, to generate electricity.In the example of Fig. 5-Fig. 8, third is electronic Generator 201 links with left rear wheel, and the 4th dynamotor 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 77, so that second pair of wheel 77 is same Step rotation, in other words, after anti-skidding synchronizer 503 synchronizes second pair of wheel 77 (i.e. anti-skidding synchronizer 503 is in engagement state), It is formed between second pair of wheel 77 and connects firmly form, it, will not differential rotation to synchronous rotary.

And when anti-skidding synchronizer 503 is off, third dynamotor 201 and the 4th dynamotor 301 Corresponding wheel can be respectively driven with different rotational speeds, the differential rotating function of two wheels is realized, certainly, anti-skidding When synchronizer 503 is off, third dynamotor 201 and the 4th dynamotor 301 can also drive this second To wheel 77 with identical rotational speed.

As a result, second pair of vehicle is individually driven by the way that third dynamotor 201 and the 4th dynamotor 301 is arranged Wheel 77, it is anti-skidding same so as to realize the differential rotation of second pair of wheel 77, and when occurring in which a wheel-slip phenomenon Step device 503 can synchronize second pair of wheel 77 so that second pair of 77 synchronous rotary of wheel, realizes that two motors (can certainly be One) second pair of 77 operation of wheel is driven jointly after the power coupling of output, improve wheel-slip phenomenon, improves vehicle Handling capacity.

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.

Below to kind of drive combination Fig. 5-Fig. 8 of third dynamotor 201, the 4th dynamotor 301 and wheel Example be described in detail.

In some embodiments, as shown in Figure 5-Figure 7, pass through tooth between third dynamotor 201 and corresponding wheel Wheel construction indirect drive similarly can also be by between the gear structure between the 4th dynamotor 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, third dynamotor 201 and the 4th dynamotor 301 pass through identical gear structure with corresponding wheel Power transmission is carried out, the versatility of gear structure is also improved, while it is higher symmetrical also to have power drive system 100 Property, it avoids center of gravity from excessively deviateing to side, center of gravity is enable preferably to be in the centre position of two wheels or close to intermediate The stability and reliability of power drive system 100 are improved in position.

Further, as optional embodiment, as shown in Figure 5-Figure 7, third dynamotor 201 and corresponding wheel Between used gear structure may include first gear 401, second gear 402, third gear 403 and the 4th gear 404 Four gears.

First gear 401 can be arranged on 201 corresponding first power output shaft 202 of third dynamotor, and first Gear 401 can be with 202 synchronous rotary of the first power output shaft.Wherein, the first power output shaft 202, which can be used for exporting, comes from third The power or the first power output shaft 202 that dynamotor 201 generates can be electronic to third by the anti-power output dragged of wheel The motor shaft of generator 201, the first power output shaft 202 and third dynamotor 201 can be same structure.Certainly optional The motor shaft on ground, the first power output shaft 202 and third dynamotor 201 can also be two individual components, and at this time the One power output shaft 202 is connected with the motor of third dynamotor 201.

Wheel corresponding with third dynamotor 201 is connected with the first semiaxis 204, and second gear 402 is arranged first It can be engaged on semiaxis 204 and with first gear 401 with 204 synchronous rotary of the first semiaxis, third gear 403 and the 4th gear 404 It is engaged with second gear 402, and third gear 403 and the 4th gear 404 are coaxially arranged and can synchronous rotary.

Similarly, as shown in Figure 5-Figure 7, the gear structure used between the 4th dynamotor 301 and corresponding wheel 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 power output shaft 302 of the 4th dynamotor and can be with the second power output shaft 302 synchronous rotaries.Wherein, the second power output shaft 302 can be used for exporting the power generated from the 4th dynamotor 301, Or second power output shaft 302 can by the anti-power output dragged of wheel give the 4th dynamotor 301, the second power output shaft 302 and the 4th the motor shaft of dynamotor 301 can be same structure.Alternatively of course, the second power output shaft 302 and The motor shaft of four dynamotor 301 can also be that two individual components, at this time the second power output shaft 302 and the 4th are electronic The motor shaft of generator 301 is connected.

Wheel corresponding with the 4th dynamotor 301 is connected with the second semiaxis 304, and the 6th gear 406 is arranged second And can be with 304 synchronous rotary of the second semiaxis on semiaxis 304, the 7th gear 407 is engaged with the 5th gear 405 and eighth gear 408 It is engaged with the 6th gear 406, 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 5, 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 77 are taken turns by synchronous rotary.

In other examples, as shown in fig. 6, anti-skidding synchronizer 503 is arranged on the first power output shaft 202 and is arranged At the 5th gear 405 is selectively engageable, connect for example, the 5th gear 405 can be arranged towards the side of anti-skidding synchronizer 503 Gear ring is closed, the clutch collar of anti-skidding synchronizer 503 is adapted to the engagement gear ring.After anti-skidding synchronizer 503 engages as a result, this second To wheel 77 by synchronous rotary.

In other example, as shown in fig. 7, 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 77 are taken turns by synchronous rotary.

Optionally, in the example of fig. 8, third dynamotor 201 is coaxial connected with corresponding wheel and the 4th is electronic Generator 301 is coaxially connected with corresponding wheel.Further, third dynamotor 201 and the 4th dynamotor 301 To be wheel motor, thus transmission chain is short, and transmission energy loss is few, transmission efficiency.

Further, as shown in figure 8, anti-skidding synchronizer 503 can be arranged it is dynamic in third dynamotor 201 corresponding first On power output shaft 202 and it is arranged to be selectively engageable 301 corresponding second power output shaft 302 of the 4th dynamotor. After anti-skidding synchronizer 503 engages as a result, second pair of wheel 77 is by synchronous rotary.

The construction and allusion quotation of power drive system 100 in each specific embodiment are briefly described referring to Fig. 2, Fig. 4-Fig. 8 Type operating mode.

Embodiment one：

As shown in Fig. 2, engine 4 is connected with the input terminal 23d of double clutch 2d, the first output end of double clutch 2d 21d is connected with the first input shaft 11, and the second output terminal 22d of double clutch 2d is connected with the second input shaft 12, double clutch 2d The the first output end 21d and second output terminal 22d of input terminal 23d and double clutch 2d can be off simultaneously, or The input terminal 23d of person's double clutch 2d can be engaged with one of the first output end 21d of double clutch 2d and second output terminal 22d, Or the input terminal 23d of double clutch 2d can simultaneously connect with the first output end 21d and second output terminal 22d of double clutch 2d It closes.

Second input shaft 12 is hollow shaft structure, and the first input shaft 11 is solid shafting, and the second input shaft 12 is coaxially arranged On the first input shaft 11, and a part for the first input shaft 11 is axially outward out of second input shaft 12.

The gear driving gear 1a that can be rotated synchronously with the first input shaft 11, three gears are provided on first input shaft 11 actively The gear driving gears of gear 3a and five 5a, a gear driving gear 1a are located at the right side of five gear driving gear 5a, three gear driving gear 3a Positioned at the left side of five gear driving gear 5a.

Being provided on second input shaft 12 can lead with the gears of the two gear driving gear 2a that the second input shaft 12 rotates synchronously and four Moving gear 4a, two gear driving gear 2a are located at left side and four gear driving gear 4a are located at right side.

First output shaft 21 and two input shafts are arranged in parallel, be set on the first output shaft 21 a gear driven gear 1b, Two gear driven gear 2b, three gear driven gear 3b and four gear driven gear 4b, an a gear driven gear 1b and gear driving gear 1a It directly engages, two gear driven gear 2b are directly engaged with two gear driving gear 2a, three gear driven gear 3b and three gear driving gears 3a is directly engaged, and four gear driven gear 4b are directly engaged with four gear driving gear 4a.

One or three gear synchronizer 13c and two or four gear synchronizer 24c, one or three gear synchronizers are additionally provided on first output shaft 21 13c is located between a gear driven gear 1b and three gear driven gear 3b, and optionally by a gear driven gear 1b or three gears Driven gear 3b is synchronous with the first output shaft 21, and two or four gear synchronizer 24c are located at two gear driven gear 2b and four gear driven gears Between 4b, and it is optionally that two gear driven gear 2b or four gear driven gear 4b are synchronous with the first output shaft 21.

Second output shaft 22 is equally arranged in parallel with two input shafts, and five gear driven gears are set on the second output shaft 22 5b, five gear driven gear 5b are directly engaged with five gear driving gear 5a, and five gear synchronizer 5c are additionally provided on the second output shaft 22, Five gear synchronizer 5c are used for five gear driven gear 5b are synchronous with the second output shaft 22.

Motor power axis 3 is arranged in parallel with two input shafts, two output shafts, and motor is set on motor power axis 3 Power axis first gear 31 and motor power axis second gear 32, motor power axis first gear 31 are located at left side, motor power axis Second gear 32 is located at right side.

Motor power axis synchronizer 33c is additionally provided on motor power axis 3, motor power axis synchronizer 33c is located at motor Between line shaft first gear 31 and motor power axis second gear 32, motor power axis synchronizer 33c is used to selectively to Motor power axis first gear 31 is synchronous with motor power axis 3 or by motor power axis second gear 32 and motor power axis 3 It is synchronous.

In addition, as shown in Fig. 2, be also set with the second reverse idler gear 73 on the second output shaft 22, second reverses gear centre The side of gear 73 forms set 731 with teeth, and tooth covers 731 same empty sets on the second output shaft 22, the first reverse idler gear 72 Empty set can be coordinated on tooth set 731 between first reverse idler gear 72 and tooth set 731 by free-sliding spline, thus the One reverse idler gear 72 can move between the position of engagement and disengaged position in an axial direction relative to the second reverse idler gear 73, And the first reverse idler gear 72 and the second reverse idler gear 73 being capable of synchronous rotaries.

Motor power axis first gear 31 is configured to duplicate gear, a gear part of motor power axis first gear 31 312 are suitable for engaging with the first reverse idler gear 72, in other words, when the first reverse idler gear 72 is in the position of engagement, the 312 engaged transmission of a gear part of one reverse idler gear 72 and motor power axis first gear 31, and reverse gear first When intermediate gear 72 is in disengaged position, a gear for the first reverse idler gear 72 and motor power axis first gear 31 Portion 312 is disengaged from.Another gear part 311 and the main reducing gear driven gear 74 of motor power axis first gear 31 are directly nibbled It closes.It is fixedly installed transmission gear 6 on the first input shaft 11 simultaneously, the first intermediate idler 61 is set on the second output shaft 22, First intermediate idler 61 is engaged with transmission gear 6 and motor power axis second gear 32 respectively.

In addition, being fixedly installed the first output shaft output engaged with main reducing gear driven gear 74 on the first output shaft 21 The the second output shaft output gear engaged with main reducing gear driven gear 74 is fixedly installed on gear 211, the second output shaft 22 221.Also, the first dynamotor 51 is and motor power axis 3 is coaxial is connected.

The typical condition of power drive system 100 shown in Fig. 2 is described in detail below.

Parking charging operating mode：

The input terminal 23d of double clutch 2d engages the first output end 21d and is disconnected with second output terminal 22d, motor power Axis synchronizer 33c engagement motor power axis second gear 32, to which the power that engine 4 exports passes through double clutch 2d's successively Input terminal 23d, the first output end 21d, the first input shaft 11, transmission gear 6, the first intermediate idler 61, motor power axis second The first dynamotor 51 is passed to after gear 32, motor power axis synchronizer 33c, motor power axis 3, to the first electricity of driving Dynamic generator 51 generates electricity.

It can realize that constant-speed ratio charges under the operating mode, energy transfer efficiency higher, and about the selected of speed ratio, with engine The permitted maximum speed of additional components such as the type selecting of rotating speed, the first dynamotor 51 when 4 parking and periphery bearing There is direct relation, for the ordinary skill in the art, the factors such as above that can integrate account for, flexible design phase The transmission speed ratio answered so that power drive system 100 can maximumlly utilize the energy of engine 4 in power generation in parking, reach To quick charge purpose.

Pure electric vehicle operating mode：

Path one：Motor power axis synchronizer 33c engagement motor power axis first gear 31, the first dynamotor 51 is defeated The power gone out is exported by motor power axis first gear 31.

Path two：Motor power axis synchronizer 33c engagement motor power axis second gear 32, the first dynamotor 51 will Power keeps off synchronizer 13c by motor power axis second gear 32, the first intermediate idler 61 output to the first input shaft 11,1 Engagement one keeps off five gear driven gear 5b of the gear synchronizer 5c of gear driven gear 3b or five of driven gear 1b or three engagements, thus the The power of one dynamotor 51 output finally can be after, three gear gear pairs secondary by first gear or five gear gear pairs from corresponding Output shaft exports.

Preferably, when being switched over to above-mentioned path, the first dynamotor 51 can adjust motor power axis 3 Speed.

It describes to be switched to path two from path one first：At this time motor power axis synchronizer 33c from motor power axis The position of one gear 31 engagement is moved to the position engaged with motor power axis second gear 32, during this period, the first electronic hair Motor 51 can be adjusted the rotating speed of motor power axis 3, make electricity using the rotating speed of motor power axis second gear 32 as target The rotating speed of mechanomotive force axis 3 is matched with motor power axis second gear 32, to which motor power axis synchronizer 33c can be quickly engaged Motor power axis second gear 32 improves synchronous efficiency.

Secondly description is switched to path one from path two：At this time motor power axis synchronizer 33c from motor power axis The position of two gears 32 engagement is moved to the position engaged with motor power axis first gear 31, during this period, the first electronic hair Motor 51 can be adjusted the rotating speed of motor power axis 3, make electricity using the rotating speed of motor power axis first gear 31 as target The rotating speed of mechanomotive force axis 3 is matched with motor power axis first gear 31, to which motor power axis synchronizer 33c can be quickly engaged Motor power axis first gear 31 improves synchronous efficiency.

However, it is to be understood that above-mentioned speed-regulating mode is applicable not only to pure electric vehicle operating mode, other are can be applicable to Operating mode, if be related to motor power axis synchronizer 33c the changed operating mode of engagement state (such as from motor power axis The engagement of first gear 31, which is switched to, to be engaged with motor power axis second gear 32 or is connect from motor power axis second gear 32 Conjunction is switched to be engaged with motor power axis first gear 31), it is suitable for above-mentioned speed-regulating mode.

The mixed condition of starting building of each gear：

Power drive system 100 be in a gear it is mixed start building condition when, one or three gear synchronizer 13c engagements, one gear driven gear The input terminal 23d of 1b, double clutch 2d engage the first output end 21d and are disconnected with second output terminal 22d, and motor power axis synchronizes Device 33c engagement motor power axis first gear 31.

To which the power that engine 4 exports is exported by the first input shaft 11, first gear pair from the first output shaft 21, the The power of one dynamotor 51 output is directly exported by motor power axis first gear 31, and two parts power finally subtracts in master It is coupled at fast device driven gear 74, the power after coupling distributes to the wheel of both sides from differential mechanism 75.

The gear is mixed to start building under condition, and the first dynamotor 51 can carry out speed governing, so that main reducing gear driven tooth Wheel 74 can evenly synchronize reception the power from engine 4 and the first dynamotor 51, improve transmission ride comfort, Harmony.

It is mixed dynamic it to be in the mixed condition of starting building of two gears, the mixed condition of starting building of three gears, the mixed condition of starting building of four gears, five gears in power drive system 100 When operating mode, it is in that a gear is mixed to start building that condition is similar, and difference lies in the engagement states of respective synchronization device not with power drive system 100 Together, when two gears are mixed dynamic the power of two or four gear synchronizer 24c engagements, two gear driven gear 2b and engine from the first output shaft 21 Output, when three gears are mixed dynamic, the power of one or three gear synchronizer 13c engagements, three gear driven gear 3b and engine is from the first output shaft 21 outputs, when four gears mix dynamic, the power of two or four gear synchronizer 24c engagements, four gear driven gear 4b and engine is exported from first Axis 21 exports, and when five gears are mixed dynamic, the power of five gear synchronizer 5c engagements, five gear driven gear 5b and engine is from the second output shaft 22 outputs.

Similarly, power drive system be in the mixed condition of starting building of above-mentioned two gear, the mixed condition of starting building of three gears, the mixed condition of starting building of four gears, Five gears are mixed start building condition when, the first dynamotor 51 can equally carry out speed governing, so that 74 energy of main reducing gear driven gear Enough evenly synchronous power of the reception from engine 4 and the first dynamotor 51, improves the ride comfort of transmission, coordinates Property.

Engine charges operating mode in driving：

When power drive system 100 is in when odd number gear carries out engine in driving and charges operating mode, it is driven with a gear For, one or three gear synchronizer 13c engagements one keep off driven gear 1b, and the input terminal 23d of double clutch 2d connects with the first output end 21d It closes and is disconnected with second output terminal 22d, motor power axis synchronizer 33c engagement motor power axis second gear 32.

To which a part of power of engine output is defeated from the first output shaft 21 by the first input shaft 11, first gear pair Go out, while another part power that engine 4 exports passes through the first input shaft 11, motor power axis second gear 32, motor The output of power axis 3 is to the first dynamotor 51, to driving the first dynamotor 51 power generation.

Similarly, when power drive system 100 is in three gears or five gear transmissions, it is in basic when a gear is driven with above-mentioned Unanimously, the difference is that the engagement state of corresponding synchronizer, for example, when three gear transmissions one or three gear synchronizer 13c engagements, three gear from Moving gear 3b, five gear synchronizer 5c engagements, five gear driven gear 5b when five gear transmissions, remaining with when being driven in a gear substantially Identical, which is not described herein again.

When power drive system 100 is in when even number gear carries out engine in driving and charges operating mode, it is driven with two gears For, two or four gear synchronizer 24c engagements, two gear driven gear 2b, the input terminal 23d and second output terminal 22d of double clutch 2d connect It closes and is disconnected with the first output end 21d, motor power axis synchronizer 33c engagement motor power axis first gear 31.

To which the power that engine 4 exports is exported by the second input shaft 12, second gear pair from the first output shaft 21, together When wheel drag motor power axis 3 by the way that motor power axis first gear 31 is counter, to driving the first dynamotor 51 power generation.

When power drive system 100 is in four ribs driving side charging operating mode, two gears are in power drive system 100 Almost the same when the operating mode that charges in driving, difference is two or four gear synchronizer 24c engagements, four gear driven gear 3b at this time.

Particularly, when the operating mode that charges when power drive system 100 is in two gears or four gears carry out engine in driving, lead to Conjugation while crossing double clutch 2d can equally realize the function of charging in driving.

Specifically, by taking two gear transmissions as an example, two or four gear synchronizer 24c engagements two gear driven gear 2b, double clutch 2d Input terminal 23d engage simultaneously with the first output end 21d and second output terminal 22d, motor power axis synchronizer 33c engagement motor Line shaft second gear 32.

A part of power generated to, engine 4 is by the second input shaft 12, second gear pair from the first output shaft 21 Output, another part power that engine generates pass through the first input shaft 11, motor power axis second gear 32, motor power axis 3 outputs are to the first dynamotor 51, to driving the first dynamotor 51 power generation.

For four gear transmissions of the pattern, two or four gear synchronizer 24c will engage four and keep off driven gear 4b, remaining is with two Almost the same when gear transmission, which is not described herein again.

The operating mode that charges in driving of above-mentioned even number gear realizes the breakthrough application to double clutch 2d, i.e., double clutches Device 2d simultaneously engages with work, to enrich transmission mode, improves charging and drive efficiency.

To sum up, for the ordinary skill in the art, above-mentioned start can neatly be selected according to actual needs The arbitrary drive path that machine charge in driving in operating mode, is greatly enriched the transmission mode of power drive system 100, raising Driving pleasure, enables the vehicle to better adapt to different road conditions, improves dynamic property, the fuel economy of vehicle.

It reverses gear operating mode：

Power drive system 100 be in machinery reverse gear operating mode when, the first reverse idler gear 72 moves axially to engage Position, to which the first reverse idler gear 72 can be with the engaged transmission of motor power axis first gear 31, while motor power axis Synchronizer 33c synchronous motor line shafts first gear 31, the input terminal 23d engagement second output terminal 22d of double clutch 2d and with First output end 21d is disconnected, and the power that engine 4 exports is fallen by the second input shaft 12, the second reverse idler gear 73, first It is exported from motor power axis first gear 31 after keeping off intermediate gear 72.

When power drive system 100 is in electronic reverse mode, motor power axis synchronizer 33c synchronous motor line shafts 3 and motor power axis first gear 31, the power of the first dynamotor 51 is directly defeated by motor power axis first gear 31 Go out.

When power drive system 100 is in mixed dynamic reverse mode, motor power axis synchronizer 33c synchronous motor line shafts 3 and motor power axis first gear 31 and the first reverse idler gear 72 be in the position of engagement to motor power axis first 31 engaged transmission of gear, the power that engine 4 exports are reversed gear by the second input shaft 12, the second reverse idler gear 73, first Intermediate gear 72 is exported to motor power axis first gear 31, and the power of the first dynamotor 51 is directly output to motor power Axis first gear 31, two parts power export after being coupled at motor power axis first gear 31.

Embodiment two：

As shown in figure 4, the master of the power drive system 100 and power drive system 100 shown in Fig. 2 in the embodiment To pass through difference lies in motor power axis second gear 32 on second intermediate idler 62 and the second input shaft 12 four keep off master Moving gear 4a engagements, second intermediate idler 62 are configured to duplicate gear, an a part i.e. tooth for second intermediate idler 62 Wheel portion 621 is engaged with four gear driving gear 4a, another part i.e. another gear part 622 and the motor of second intermediate idler 62 Line shaft second gear 73 engages., then can be almost the same with the power drive system 100 in Fig. 2 embodiments for other structures, Which is not described herein again.

Three-embodiment of embodiment six：

As shown in Figure 5-Figure 8, the power drive system 100 in some embodiments and powertrain shown in Fig. 2 System 100 the main distinction be to increase rear wheel drive structure, mainly increase third genemotor 201, the 4th dynamotor The structures such as 301 and anti-skidding synchronizer 503, for details, reference can be made to the above-mentioned descriptions to electronic differential lock construction, and which is not described herein again.

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 (21)

1. a kind of transmission for a vehicle, which is characterized in that including：

Multiple input axis is each provided with gear driving gear on the input shaft；

Multiple output shafts are each provided with gear driven gear, the gear driven gear and the gear on the output shaft Driving gear accordingly engages；

The first reverse idler gear and the second reverse idler gear that can be rotated synchronously, second reverse idler gear with it is described Gear driving gear engagement on one in input shaft, first reverse idler gear are arranged to relatively described second and reverse gear Intermediate gear can be moved along the axial of the output shaft between the position of engagement and disengaged position；

Motor power axis, motor power axis overhead set are provided with the second tooth of motor power axis first gear and motor power axis It takes turns, is additionally provided with positioned at the motor power axis first gear and the motor power axis second gear on the motor power axis Between motor power axis synchronizer, wherein

The motor power axis first gear is arranged to engage with the first reverse idler gear positioned at the position of engagement Transmission, and the motor power axis first gear and described the when first reverse idler gear is located at the disengaged position One reverse idler gear is disengaged from,

The motor power axis second gear be arranged to in the input shaft one linkage or with another linkage.

2. transmission for a vehicle according to claim 1, which is characterized in that set on second reverse idler gear It is equipped with tooth set, first reverse idler gear is set in that the tooth is put on and the relatively described tooth set can be along the axial movement.

3. transmission for a vehicle according to claim 1, which is characterized in that

The input shaft includes：First input shaft and the second input shaft, second input shaft are coaxially set in described first On input shaft；

The multiple output shaft includes：First output shaft and the second output shaft, first output shaft and second output shaft It is arranged in parallel with input shaft.

4. transmission for a vehicle according to claim 3, which is characterized in that be provided with one on first input shaft Driving gear, three gear driving gears and five gear driving gears are kept off, two gear driving gear and four are provided on second input shaft Keep off driving gear；

A gear driven gear, two gear driven gears, three gear driven gears and four gear driven tooths are provided on first output shaft It takes turns, five gear driven gears is provided on second output shaft；

One or three gear synchronizers, the two gears driven gear are provided between the one gear driven gear and the three gears driven gear Two or four gear synchronizers are provided between the four gears driven gear, the side of the five gears driven gear is provided with the synchronization of five gears Device.

5. transmission for a vehicle according to claim 4, which is characterized in that the second reverse idler gear empty set It is engaged on second output shaft and with the two gear driving gear.

6. transmission for a vehicle according to claim 4, which is characterized in that first reverse idler gear is by dialling Fork mechanism drives it along the axial movement, and first reverse idler gear with described five keep off synchronizer share it is same Shifting fork mechanism.

7. transmission for a vehicle according to claim 1, which is characterized in that the motor power axis first gear structure It makes as duplicate gear, a part for the motor power axis first gear is optionally nibbled with first reverse idler gear It closes, another part of the motor power axis first gear is engaged with main reducing gear driven gear.

8. transmission for a vehicle according to claim 3, which is characterized in that be fixedly installed on first output shaft There is the first output shaft output gear, the second output shaft output gear is fixedly installed on second output shaft, described first is defeated Shaft output gear and the second output shaft output gear are engaged with main reducing gear driven gear.

9. transmission for a vehicle according to claim 3, which is characterized in that be fixedly installed on first input shaft There are transmission gear, the motor power axis second gear to engage with the transmission gear or passed indirectly by the first intermediate idler It is dynamic.

10. transmission for a vehicle according to claim 4, which is characterized in that second output shaft overhead is arranged It is equipped with the second intermediate idler, second intermediate idler is duplicate gear, a part for second intermediate idler and described four Driving gear engagement is kept off, another part of second intermediate idler is engaged with the motor power axis second gear.

11. a kind of power drive system for vehicle, which is characterized in that including：

Speed changer, the speed changer are the transmission for a vehicle according to any one of claim 1-10；And

First dynamotor, first dynamotor are arranged to link with the motor power axis.

12. the power drive system according to claim 11 for vehicle, which is characterized in that according to the speed changer Speed changer described in claim 3；

The power drive system further includes：

Engine and double clutch, the double clutch have input terminal, the first output end and second output terminal, the engine It is connected with the input terminal, first output end is connected with first input shaft, the second output terminal and described second Input shaft is connected.

13. the power drive system according to claim 12 for vehicle, which is characterized in that the engine can lead to Conjugation while crossing the input terminal and first output end and the second output terminal and by a portion power It is exported to wheel using the power that is travelled as the vehicle and is passed through another part power described by a wherein output shaft Motor power axis is exported to first dynamotor to drive first dynamotor to generate electricity.

14. the power drive system according to claim 12 for vehicle, which is characterized in that be in and stay in the vehicle When car state, the engine is arranged in the power output to the multiple input shaft that will be generated and the motor power axis On the input shaft of two gear-linkeds, and the synchronization by the motor power axis synchronizer to the motor power axis second gear And by the power output to first dynamotor to drive first dynamotor to generate electricity.

15. the power drive system according to claim 12 for vehicle, which is characterized in that the vehicle has machinery Reverse mode, electronic reverse mode and mixed dynamic reverse mode,

When the vehicle is in the mechanical reverse mode, the engine is as power source by the power of generation via second Reverse idler gear and the first reverse idler gear and the motor power axis first gear that are engaged with each other and export to the electricity Mechanomotive force axis first gear；

When the vehicle is in the electronic reverse mode, first dynamotor is as power source and passes through the electricity Mechanomotive force axis synchronizer synchronizes to the motor power axis first gear and outputs power to the motor power axis first Gear；

When the vehicle is in the mixed dynamic reverse mode, the engine as dynamic origin by the power of generation via Second reverse idler gear and the first reverse idler gear and the motor power axis first gear that are engaged with each other and export to institute Motor power axis first gear is stated, first dynamotor is synchronized as another power source and by the motor power axis Device synchronizes to the motor power axis first gear and outputs power to the motor power axis first gear.

16. the power drive system according to claim 11 for vehicle, which is characterized in that the motor power axis is same Step device is switched to and separately engage with one in the motor power axis first gear and the motor power axis second gear During one engagement, first dynamotor is arranged to the motor power axis first gear and the motor power axis Another the rotating speed in second gear is that target carries out speed governing to the motor power axis.

17. the power drive system according to claim 11 for vehicle, which is characterized in that the input shaft includes： First input shaft and the second input shaft, second input shaft are coaxially set on first input shaft；

The multiple output shaft includes：First output shaft and the second output shaft, first output shaft and second output shaft It is arranged in parallel with input shaft；

The power drive system further includes：Second dynamotor, wherein

The main reducing gear driven gear of second dynamotor and the vehicle is driven；Or

Second dynamotor is connected with the first output shaft；Or

Second dynamotor is connected with first input shaft；Or

The main reducing gear driven gear of the vehicle is arranged on differential mechanism, and second dynamotor is two and sets respectively It sets in the both sides of the differential mechanism.

18. the power drive system for vehicle according to any one of claim 12-15, which is characterized in that

The engine and/or first dynamotor are for driving pair of wheels；And

The power drive system further includes：

Third dynamotor and the 4th dynamotor, the third dynamotor are arranged to and one in second pair of wheel A linkage, the 4th dynamotor are arranged to and another linkage in second pair of wheel, the pair of wheels For a pair in front wheels and rear wheels, second pair of wheel is the another pair in the front-wheel and the trailing wheel；

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.

19. the power drive system according to claim 18 for vehicle, which is characterized in that

It is provided with first gear, the third dynamotor on corresponding first power output shaft of the third dynamotor 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 second Gear engages, and the third gear is coaxially arranged with the 4th gear and can synchronous rotary；And

It is provided with the 5th gear, the 4th dynamotor on corresponding second power output shaft of 4th dynamotor 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 the 7th gear and eighth gear, the 7th gear is engaged with the 5th gear and the eighth gear and the described 6th Gear engages, and the 7th gear is coaxially arranged with the eighth gear and can synchronous rotary；Wherein

The anti-skidding synchronizer is arranged on first semiaxis and is arranged to be selectively engageable the 6th gear；Or

The anti-skidding synchronizer is arranged on corresponding first power output shaft of third dynamotor and is arranged to optional Engage to selecting property the 5th gear；Or

The third gear is fixed on the 4th gear on first gear axis, and the 7th gear is solid with the eighth gear It is scheduled on second gear axis；And the anti-skidding synchronizer is arranged on the first gear axis and is arranged to optionally connect Close the 7th gear.

20. the power drive system according to claim 18 for vehicle, which is characterized in that the third dynamoelectric and power generation Corresponding first power output shaft of machine and the corresponding wheel be coaxial to be connected and the 4th dynamotor corresponding second Power output shaft is coaxially connected with the corresponding wheel, and the anti-skidding synchronizer setting is corresponded in the third dynamotor The first power output shaft on and be arranged to be selectively engageable corresponding second power output of the 4th dynamotor Axis.

21. a kind of vehicle, which is characterized in that include the power for vehicle according to any one of claim 11-20 Transmission system.