CN206201954U - Power-driven system and vehicle - Google Patents

Abstract

The utility model discloses a power drive system and a vehicle. The power drive system includes: an engine; first and second input shafts, at least one of which is selectively engageable by the engine; a plurality of output shafts, one of which is provided with a reverse gear output The gear is also provided with a reverse gear synchronizer for engaging the reverse gear output gear; the reverse gear shaft is fixedly provided with the first gear of the reverse gear shaft and the second gear of the reverse gear shaft, the first gear of the reverse gear shaft and the second gear of the reverse gear shaft On the first input shaft, the driving gear of a gear closest to the reverse gear output gear meshes, and the second gear of the reverse gear shaft meshes with the reverse gear output gear. The power drive system according to the embodiment of the utility model has multiple, such as seven forward gears, so that the power is transmitted more smoothly, and the transmission efficiency is high, and multiple, such as seven different transmission speed ratios can better meet the needs of the vehicle in Demand for power and torque under different road conditions.

Description

Powertrains and Vehicles

technical field

The utility model relates to the technical field of automobiles, in particular to a power drive system and a vehicle.

Background technique

With the continuous consumption of energy, the development and utilization of new energy vehicles has gradually become a trend. As one of the new energy vehicles, a hybrid vehicle is driven by an engine and/or an electric motor, and has multiple modes, which can improve transmission efficiency and fuel economy.

However, in the relevant technologies known to the inventor, the transmissions in hybrid vehicles generally have complex structures, few transmission modes, and low transmission efficiency. In addition, the transmissions in traditional hybrid vehicles are mostly five-speed or six-speed, and the transmission efficiency is not high.

Utility model content

The utility model aims to solve one of the above-mentioned technical problems in the prior art at least to a certain extent. For this reason, an object of the utility model is to propose a power drive system, the power drive system has rich transmission modes, and has multiple, such as seven forward gears, which can better meet the needs of power and torque when the vehicle is running .

Another object of the present utility model is to provide a vehicle, which includes the above-mentioned power drive system.

The power drive system according to an embodiment of the present invention includes: an engine; a first input shaft and a second input shaft, and the engine is configured to selectively engage one of the first input shaft and the second input shaft At least one, the second input shaft is sleeved on the first input shaft, each input shaft is provided with a gear driving gear; a plurality of output shafts, each of the output shafts is provided with a gear driven gear gears, the gear driven gear is correspondingly meshed with the gear driving gear, and a reverse gear output gear is provided on one of the output shafts, and a reverse gear for engaging the reverse gear output gear is also provided Synchronizer; reverse gear shaft, on which the first gear of the reverse gear shaft and the second gear of the reverse gear shaft are fixedly arranged, and the first gear of the reverse gear shaft is separated from the first input shaft by the reverse gear The driving gear of the nearest gear of the gear output gear is meshed, and the second gear of the reverse gear shaft is meshed with the reverse gear output gear; the motor power shaft is provided with the first gear of the motor power shaft and the motor power shaft in an empty sleeve on the motor power shaft. The second gear of the power shaft, the motor power shaft is also provided with a motor power shaft synchronizer between the first gear of the motor power shaft and the second gear of the motor power shaft, wherein the second gear of the motor power shaft a gear set in linkage with one of the gear driving gears; and a first motor generator set in linkage with the motor power shaft.

According to the power drive system of the embodiment of the utility model, the charging function can be realized when the vehicle is running and parking, the charging mode is enriched, and at least to a certain extent, the problems of single charging method and low charging efficiency of the existing power transmission system are solved. In short, the power drive system according to the embodiment of the present invention can realize two types of charging modes: driving charging and parking charging. Moreover, the power drive system according to the embodiment of the utility model has multiple, such as seven forward gears, so that the power is transmitted more smoothly, and the transmission efficiency is high, and multiple, such as seven different transmission speed ratios can better meet The vehicle's demand for power and torque under different road conditions.

In addition, the power drive system according to the embodiment of the utility model can also have the following additional technical features:

According to some embodiments of the present utility model, the driving gear of the first gear is the driving gear of the gear that is arranged on the first input shaft and is closest to the output gear of the reverse gear.

According to some embodiments of the present invention, the first input shaft is fixedly provided with a first-speed driving gear, a third-speed driving gear and a seventh-speed driving gear, and the second input shaft is fixedly provided with a second-speed driving gear and a fourth-speed driving gear. Six-speed driving gear; the output shaft includes a first output shaft and a second output shaft, and the first output shaft is provided with a first-speed driven gear, a second-speed driven gear, a third-speed driven gear and a fourth-speed driven gear. Driven gear, the fifth gear driven gear, the sixth gear driven gear and the seventh gear driven gear are arranged empty on the second output shaft; the first gear driven gear and the third gear driven gear are provided with A third-speed synchronizer, a second-and-fourth-speed synchronizer is arranged between the second-speed driven gear and the fourth-speed driven gear, and a second-and-fourth-speed synchronizer is arranged between the fifth-speed driven gear and the seventh-speed driven gear Fifth and seventh gear synchronizers, a sixth gear synchronizer is arranged on one side of the sixth gear driven gear.

According to some embodiments of the present utility model, the reverse gear output gear is idly sleeved on the second output shaft and shares a sixth gear synchronizer with the sixth gear driven gear, so that the sixth gear synchronizer constitutes the Reverse synchronizer.

According to some embodiments of the present utility model, the reverse output gear is located on the side of the sixth-speed driven gear close to the engine.

According to some embodiments of the present utility model, a first output shaft output gear is fixedly disposed on the first output shaft, a second output shaft output gear is fixedly disposed on the second output shaft, and the first output shaft outputs The gears, the output gear of the second output shaft and the first gear of the motor power shaft are all meshed with the driven gear of the final drive of the vehicle.

According to some embodiments of the present utility model, the power drive system further includes: a dual clutch, the dual clutch has an input end, a first output end and a second output end, the engine is connected to the input end, and the first The output end is connected with the first input shaft, and the second output end is connected with the second input shaft.

According to some embodiments of the present utility model, the reverse gear output gear shares a gear synchronizer with an adjacent gear driven gear, and the shared gear synchronizer constitutes the reverse gear synchronizer.

According to some embodiments of the present utility model, the second gear of the motor power shaft is linked with the fourth and sixth gears or the seventh gear.

A vehicle according to an embodiment of the present utility model includes the power drive system in the above embodiments.

Description of drawings

Fig. 1 is a schematic diagram of a power drive system according to an embodiment of the present invention;

2 is a schematic diagram of a power drive system according to another embodiment of the present invention;

Fig. 3 is a schematic diagram of a power drive system according to yet another embodiment of the present invention;

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

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

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

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

Fig. 8 is a schematic diagram of a power drive system according to yet another embodiment of the present invention.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", Orientation indicated by "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation , so it cannot be interpreted as a limitation of the present utility model.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrated; it can be mechanically connected, or electrically connected, or can communicate with each other; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components . Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "below" a second feature may include direct contact between the first and second features, and may also include the first and second features being in direct contact with each other. The features are not in direct contact but through another feature between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

The power drive system 100 according to the embodiment of the present invention will be described in detail below in conjunction with FIGS. Plenty of power and electricity.

The power drive system 100 according to the embodiment of the present utility model mainly includes two parts, one of which can be a power source, which can be an engine 4, a motor generator, etc., and the other can be a transmission (including multiple input shafts, multiple output shaft, gear pair, etc.), and the transmission is used to realize the shifting function of the output power of the power source to meet the driving requirements or charging requirements of the vehicle.

For example, in some embodiments, as shown in FIGS. 2-5 , the power drive system 100 may include an engine 4 , a first motor generator 51 and a transmission, but is not limited thereto.

1, in some embodiments, the transmission mainly includes a plurality of input shafts (for example, a first input shaft 11, a second input shaft 12), a plurality of output shafts (for example, a first output shaft 21, a second Output shaft 22) and motor power shaft 3 and related gears and shifting elements (such as synchronizers) on each shaft.

The engine 4 is arranged to selectively engage at least one of the plurality of input shafts during power transmission between the engine 4 and the input shafts. In other words, for example, when the engine 4 transmits power to the input shaft, the engine 4 can be selectively engaged with one of the plurality of input shafts to transmit power, or the engine 4 can also be selectively engaged with two of the plurality of input shafts. Or two or more input shafts engage simultaneously to transmit power.

For example, in the example of Fig. 1-Fig. 8, a plurality of input shafts may include two input shafts of the first input shaft 11 and the second input shaft 12, and the engine 4 can be selectively connected with the first input shaft 11 and the second input shaft One of the shafts 12 is engaged to transmit power. Or, specifically, the engine 4 can also be simultaneously engaged with the first input shaft 11 and the second input shaft 12 to transmit power. Of course, it should be understood that the engine 4 can also be disconnected from the first input shaft 11 and the second input shaft 12 at the same time.

For those skilled in the art, the engagement state of the engine 4 and the input shaft is related to the specific working conditions of the power drive system 100 , which will be described in detail below in conjunction with specific embodiments, and will not be described in detail here.

The transmission between the input shaft and the output shaft can be carried out through a gear pair. For example, each input shaft is provided with a gear driving gear, and each output shaft is provided with a gear driven gear, and the gear driven gear meshes with the gear driving gear correspondingly, thereby forming multiple pairs of gears with different speed ratios. gear pair.

In some embodiments of the present utility model, the power drive system 100 may have seven forward gear pairs, that is, a first gear pair, a second gear pair, a third gear pair, a fourth gear pair, a fifth gear pair, Sixth gear pair and seventh gear pair.

As shown in Figures 1-8, a reverse gear output gear 8 is provided on one of the output shafts, and a reverse gear synchronizer (such as a sixth gear synchronizer) for engaging the reverse gear output gear 8 is also provided on the output shaft. 6c), in other words, the reverse gear synchronizer synchronizes the corresponding reverse gear output gear 8 and the output shaft, so that the output shaft and the reverse gear output gear 8 can rotate synchronously, and then the reverse gear power can be output from the output shaft.

In some embodiments, as shown in Figures 1-8, there is one reverse output gear 8, and the one reverse output gear 8 can be idly sleeved on the second output shaft 22, and the reverse synchronizer can be a sixth-speed synchronizer 6c (ie, gear synchronizer).

The reverse gear shaft 89 is set to be linked with one of the input shafts and also linked with the reverse gear output gear 8, for example, the power on said one of the input shafts can be transmitted to the reverse gear output gear 8 through the reverse gear shaft 89 , so that the reverse power can be output from the reverse output gear 8 . In the example of the present utility model, the reverse gear output gear 8 is vacantly sleeved on the second output shaft 22, and the reverse gear shaft 89 is linked with the first input shaft 11, for example, the reverse gear power output by the engine 4 can be passed through The first input shaft 11 and the reverse gear shaft 89 are output to the reverse gear output gear 8 .

It should be noted that the above-mentioned "linkage" can be understood as a plurality of components (for example, two) associated movement, taking the linkage of two components as an example, when one component moves, the other component also moves accordingly.

For example, in some embodiments of the present invention, the linkage between a gear and a shaft can be understood as that when the gear rotates, the shaft linked with it will also rotate, or when the shaft rotates, the gear linked with it will also rotate.

As another example, shaft-to-axis linkage can be understood as that when one of the shafts rotates, the other shaft linked to it will also rotate.

As another example, gear-to-gear linkage can be understood as that when one of the gears rotates, the other gear that is linked to it will also rotate.

In the description of "linkage" below in the present utility model, if there is no special explanation, it is understood as such.

As shown in Figures 1-8, the reverse gear shaft 89 can be provided with a first gear 81 of the reverse gear shaft, and the first gear 81 of the reverse gear shaft can be engaged with the driving gear gear on the one of the input shafts for transmission. Further, the first gear 81 of the reverse shaft meshes with the drive gear of the gear on the first input shaft 11 that is closest to the output gear 8 of the reverse gear. The gear drive gear meshes with the specific gear drive gear, and the specific gear drive gear is the one with the smallest axial distance from the reverse gear output gear 8 among the multiple gear drive gears on the first input shaft 11. In the examples of FIGS. 1-8 , the gear driving gear is the first gear driving gear 1a, that is to say, the first gear driving gear 1a is the gear driving gear that is arranged on the first input shaft 11 and has the shortest distance (axial distance) from the reverse gear output gear 8 . As a result, the axial distance of the reverse gear shaft 89 is shortened, so that the power drive system 100 has a more compact structure and a smaller axial dimension, which is convenient for arrangement.

Furthermore, the reverse gear shaft 89 is also provided with a reverse gear second gear 82, the reverse gear second gear 82 is fixed on the reverse gear shaft 89, and the reverse gear second gear 82 corresponds to the reverse gear output gear 8 engage.

As shown in Figures 1-8, the reverse gear output gear 8 is idle on the output shaft, so if the reverse gear output gear 8 is to output reverse gear power from its idle output shaft, a reverse gear synchronizer needs to be installed (eg sixth gear synchronizer 6c) synchronizes the reverse output gear 8 with the corresponding output shaft. As a preferred embodiment, the reverse gear output gear 8 shares a gear synchronizer with an adjacent gear driven gear (for example, the sixth gear driven gear 6b). As for the gear driven gear on the upper gear, since the gear driven gear is also vacantly sleeved on the output shaft and requires a gear synchronizer to engage the output shaft to output power, the reverse gear output gear 8 can be adjacent to the gear driven gear It is set so as to share the gear synchronizer with the gear driven gear, so that when the engaging sleeve of the gear synchronizer moves axially left or right, it can engage the reverse gear output gear 8 or the corresponding gear driven gear.

Thus, the number of synchronizers and the number of shift fork mechanisms can be reduced, so that the axial and radial dimensions of the power drive system 100 are relatively smaller, the structure is more compact, the control is more convenient, and the cost is reduced.

Of course, it can be understood that the reverse gear synchronizer of the present invention can also be a separate synchronizer independent of the gear position synchronizer.

The specific embodiment in which the gear synchronizer constitutes the reverse gear synchronizer will be described in detail below in conjunction with the accompanying drawings, and will not be described in detail here.

The motor power shaft 3 will be described in detail below. As shown in FIGS. 2-5 , a first gear 31 of the motor power shaft and a second gear 32 of the motor power shaft are provided on the motor power shaft 3 . The first gear 31 of the motor power shaft can be engaged with the driven gear 74 of the final reducer for transmission.

The motor power shaft second gear 32 is set to be linked with one of the gear driven gears. When the vehicle with the power drive system 100 according to the embodiment of the present invention is in certain working conditions (the specific working conditions will be combined with the specific working conditions below) The embodiment is described in detail), the power output by the power source can be transmitted between the second gear 32 of the motor power shaft and the gear driven gear linked with it. At this time, the second gear 32 of the motor power shaft and the gear driven gear Gear linkage.

In some embodiments, the second gear 32 of the motor power shaft can be respectively linked with the first gear driven gear 1b, the second gear driven gear 2b, the third gear driven gear 3b or the fourth gear driven gear 4b. Taking Fig. 2 as an example, the second gear 32 of the motor power shaft and the second gear driven gear 2b can be directly meshed or indirectly driven through an intermediate transmission component, which will be described in detail below in conjunction with specific embodiments.

Further, the motor power shaft 3 is also provided with a motor power shaft synchronizer 33c, the motor power shaft synchronizer 33c is located between the first gear 31 of the motor power shaft and the second gear 32 of the motor power shaft, the motor power shaft synchronizer 33c can be selected The motor power shaft first gear 31 or the motor power shaft second gear 32 is engaged with the motor power shaft 3 selectively. For example, in the example of FIG. 1 , the engaging sleeve of the motor power shaft synchronizer 33c can engage the second gear 32 of the motor power shaft when it moves to the left, and can engage the first gear 31 of the motor power shaft when it moves to the right.

Similarly, the first motor generator 51 is configured to be able to be linked with the motor power shaft 3 . For example, when the first motor generator 51 works as a motor, it can output the generated power to the motor power shaft 3 . For another example, when the first motor generator 51 is working as a generator, the power via the motor power shaft 3 can be output to the first motor generator 51 to drive the first motor generator 51 to generate electricity.

Here, one point needs to be explained. In the description of the “motor generator” of the utility model, if there is no special description, the motor generator can be understood as a motor with the functions of a generator and a motor.

As mentioned above, the second gear 32 of the motor power shaft is linked with one of the gear driven gears. In particular, when the second gear 32 of the motor power shaft is linked with the gear driven gear, the first motor generator 51 can At least part of the power output from the engine 4 is used to generate electricity when the vehicle is running and parked.

In other words, when the vehicle is in a running state and the second gear 32 of the motor power shaft is in linkage with the gear driven gear, at least part of the power of the engine 4 can pass through the gear driven gear, the second gear 32 of the motor power shaft, and the power of the motor. The shaft 3 is then output to the first motor generator 51, thereby driving the first motor generator 51 to generate electricity, realizing the working condition of charging while driving the engine 4.

Particularly, when the vehicle is in the state of parking (the vehicle is stopped but the engine 4 is still in working condition, such as the engine 4 is idling) and the motor power shaft second gear 32 is linked with the gear driven gear, at least part of the power of the engine 4 can be After the gear driven gear, the second gear 32 of the motor power shaft, and the motor power shaft 3 are output to the first motor generator 51, the first motor generator 51 is driven to generate electricity, and the parking charging function (i.e., "parking" is realized) "charging), thus the fuel economy of the charging efficiency and the engine 4 can be greatly improved.

As for the first gear 31 of the motor power shaft, since it meshes with the driven gear 74 of the final reducer, the first motor generator 51 can engage the first gear 31 of the motor power shaft through the motor power shaft synchronizer 33c to generate The power is directly output from the first gear 31 of the motor power shaft, so that the transmission chain can be shortened, the intermediate transmission parts can be reduced, and the transmission efficiency can be improved.

It should be noted that in the description of the present utility model, the motor power shaft 3 may be the motor shaft of the first motor generator 51 itself. Of course, it can be understood that the motor power shaft 3 and the motor shaft of the first motor generator 51 may also be two separate shafts.

Therefore, according to the power drive system 100 of the embodiment of the present utility model, the charging function can be realized when the vehicle is running and parking, the charging mode is enriched, and at least to a certain extent, it solves the problems of single charging mode and low charging efficiency of the existing power transmission system. Inferior question. In short, the power drive system 100 according to the embodiment of the present utility model can realize two types of charging modes: driving charging and parking charging. Moreover, the power drive system 100 according to the embodiment of the present invention has seven forward gears, so that the power is transmitted more smoothly and the transmission efficiency is high, and the seven different transmission speed ratios can better meet the needs of the vehicle under different road conditions. Demand for power and torque.

The specific structure of the power drive system 100 will be described in detail below in conjunction with specific embodiments with reference to FIGS. 1-8 .

First, the transmission mode of the motor power shaft 3 and the gear driven gear will be described in detail in combination with specific embodiments.

In some embodiments of the present utility model, as shown in FIG. 2 , the power drive system 100 further includes an intermediate shaft 71, on which a first intermediate shaft gear 711 and an intermediate shaft second gear 712 are fixedly arranged, and the intermediate shaft first A gear 711 meshes with one of the gear driven gears (for example, the second gear driven gear 2 b ), and the countershaft second gear 712 meshes with the motor power shaft second gear 32 . In short, in some embodiments, the second gear 32 of the motor power shaft is linked with the one gear driven gear through the second countershaft gear 712 and the first countershaft gear 711 .

In some other embodiments, as shown in FIG. 3 , only the third intermediate shaft gear 713 is fixedly arranged on the intermediate shaft 71 , and the second gear 32 of the motor power shaft communicates with one of the gears through the third intermediate shaft gear 713 . Driven gear (for example, second speed driven gear 2b) transmission.

In some other embodiments, as shown in FIGS. 4-5 , the second gear 32 of the power shaft of the motor is directly meshed with one of the gear driven gears (for example, the second gear driven gear 2 b ).

Next, the transmission mode of the motor power shaft 3 and the first motor generator 51 will be described in detail in conjunction with specific embodiments.

In some embodiments, as shown in FIGS. 2-4 , the motor power shaft 3 is also fixedly provided with a third gear 33 of the motor power shaft, and the first motor generator 51 is arranged to directly mesh with the third gear 33 of the motor power shaft. transmission or indirect transmission.

Further, as shown in FIG. 2 , the motor shaft of the first motor generator 51 is provided with a first motor gear 511 , and the first motor gear 511 is transmitted with the third gear 33 of the motor power shaft through an intermediate gear 512 . As another example, in the examples shown in FIGS. 3-4 , the motor shaft of the first motor generator 51 is provided with a first motor gear 511 , and the first motor gear 511 directly meshes with the third gear 33 of the motor power shaft. For another example, in the example of FIG. 5 , the first motor generator 51 and the motor power shaft 3 may also be coaxially connected.

Of course, the utility model is not limited thereto. In the above embodiments, the second gear 32 of the motor power shaft is linked with one of the gear driven gears. In other embodiments, for example, the In the embodiment, the second gear 32 of the motor power shaft can also be linked with one of the gear driving gears. For example, optionally, the second gear 32 of the motor power shaft may be linked with the fourth and sixth gears 46a or the seventh gear 7a, but it is not limited thereto.

In other words, the main difference between the embodiment shown in Figs. 6-8 and the above-mentioned embodiment lies in the way in which the power of the first motor-generator 51 is connected, that is, in the above-mentioned embodiment, the power of the first motor-generator 51 is connected to the gear driven gear. , while in the embodiment of Fig. 6-Fig. 8, the power of the first motor-generator 51 is connected to the driving gear of the gear, that is to say, the first motor-generator 51 and one of the driving gears of the gear (such as the driving gear of the fourth and sixth gears) Gear 46a or seventh speed driving gear 7a) power connection. In this way, when the power is transmitted between the engine 4 and the first motor generator 51, the transmission chain is relatively shorter, the transmission energy consumption loss is small, and the transmission efficiency is higher.

It can be understood that the cooperation mode between the first motor generator 51 and the gear driving gear can be exactly the same as the cooperation mode between the first motor generator 51 and the gear driven gear in the above-mentioned embodiments. In addition, other similar methods can also be used to realize the cooperation between the first motor generator 51 and the gear driving gear.

For example, as shown in FIG. 6 , the motor shaft of the first motor generator 51 is provided with a first motor gear 511, the first motor gear 511 meshes with the intermediate gear 512, and the intermediate gear 512 and the intermediate gear 513 are coaxially fixed on the gear. On the shaft 514, the intermediate gear 513 meshes with the third gear 33 of the motor power shaft, and the second gear 32 of the motor power shaft meshes with the driving gear 46a for fourth and sixth gears. As a result, the first motor generator 51 can obtain a better transmission speed ratio and improve transmission efficiency.

Referring to Fig. 7, the main difference between the embodiment in Fig. 7 and the embodiment in Fig. 6 is that an intermediate shaft 71 is added, on which a first intermediate shaft gear 711 and an intermediate shaft second gear 712 are fixedly arranged, similarly, the intermediate shaft The shaft second gear 712 meshes with the motor power shaft second gear 32 , while the intermediate shaft first gear 711 meshes with the gear driving gear such as the fourth and sixth gear driving gear 46a.

Referring to FIG. 8 , the main difference between the embodiment in FIG. 8 and the embodiment in FIG. 6 is that the transmission between the first motor gear 511 and the third gear 33 of the motor power shaft is only through the intermediate gear 512 . Therefore, the structure is more compact, the transmission chain is shorter, and the transmission efficiency is high. It can be understood that the first gear 31 of the motor power shaft in the embodiment shown in FIGS. 6-8 is meshed with the driven gear 74 of the final reducer.

It should be understood that the modification of the above-mentioned various embodiments lies in that the first motor generator 51 cooperates with the motor power shaft 3 and that the motor power shaft 3 cooperates with the gear driving gear or the gear driven gear. For those of ordinary skill in the art, on the basis of reading the above-mentioned multiple embodiments, it is obvious that the cooperation mode between the first motor generator 51 and the motor power shaft 3 and the motor power shaft 3 and the gear Combining and/or modifying and/or modifying the cooperation mode of the gear driving gear or the gear driven gear, and the new embodiment formed by combining and/or modifying and/or modifying also falls within the scope of protection of the present utility model Therefore, it is no longer exhaustive here.

The input shaft, the output shaft and each gear are described in detail below with reference to the embodiments of FIGS. 1-8 .

In some embodiments of the present utility model, as shown in Figures 1-8, there may be two input shafts, that is, the input shaft includes a first input shaft 11 and a second input shaft 12, and the second input shaft 12 may be a hollow shaft , the first input shaft 11 can be a solid shaft, a part of the first input shaft 11 can be embedded in the hollow second input shaft 12, and the other part of the first input shaft 11 can be axially inserted from the second input shaft 12 Protruding outwards and the other part is fixedly provided with a gear driving gear, and referring to FIG. 1 , the first gear driving gear 1 a is arranged near the end of the second input shaft 12 . Optionally, the first input shaft 11 and the second input shaft 12 may be arranged coaxially.

The output shaft can be two, that is, the first output shaft 21 and the second output shaft 22, the first output shaft 21 and the second output shaft 22 are arranged in parallel with the input shaft, the first output shaft 21 and the second output shaft 22 can be both for a solid shaft.

The power drive system 100 according to the embodiment of the present invention can have seven forward gears. Specifically, an odd-numbered gear driving gear can be arranged on one of the input shafts such as the first input shaft 11, and the other input shaft such as the second input shaft Even-numbered gear driving gears can be arranged on the shaft 12, so that the first input shaft 11 is responsible for the power transmission of the odd-numbered gear pair, and the second input shaft 12 is responsible for the power transmission of the even-numbered gear pair. In addition, as a preferred embodiment, among the plurality of driving gears, at least one driving gear is engaged with two driven gears respectively, that is, at least one driving gear is two gears. All gears are shared by driven gears, thereby reducing the number of gear driving gears, reducing the axial size of the power drive system, and facilitating layout.

More specifically, as shown in FIGS. 1-8 , the first input shaft 11 may be arranged with a first-speed driving gear 1a, the third- and fifth-speed driving gears 35a, and the seventh-speed driving gear 7a, and the second input shaft 12 may be arranged with two gears. The gear driving gear 2a and the fourth and sixth gears 46a, each gear driving gear rotates synchronously with the corresponding input shaft.

Correspondingly, as shown in FIGS. 1-8 , the first output shaft 21 is provided with a first-speed driven gear 1b, a second-speed driven gear 2b, a third-speed driven gear 3b and a fourth-speed driven gear 4b, and the second output The fifth gear driven gear 5b, the sixth gear driven gear 6b and the seventh gear driven gear 7b are arranged on the shaft 22, and each gear driven gear is hollowly sleeved on the corresponding output shaft, that is, each gear driven gear The gears are differentially rotatable relative to corresponding output shafts.

Among them, the first-speed driven gear 1b meshes with the first-speed driving gear 1a to form a first-speed gear pair, the second-speed driven gear 2b meshes with the second-speed driving gear 2a to form a second-speed gear pair, and the third-speed driven gear 3b and third-speed The fifth-speed driving gear 35a meshes to form a third-speed gear pair, the fourth-speed driven gear 4b meshes with the fourth- and sixth-speed driving gears 46a to form a fourth-speed gear pair, and the fifth-speed driven gear 5b meshes with the third- and fifth-speed driving gears 35a to form a gear pair. The fifth-speed gear pair, the sixth-speed driven gear 6b meshes with the fourth- and sixth-speed driving gear 46a to form a sixth-speed gear pair, and the seventh-speed driven gear 7b meshes with the seventh-speed driving gear 7a to form a seventh-speed gear pair.

Wherein the fourth-speed gear pair and the sixth-speed gear pair share the fourth and sixth-speed driving gears 46a, and the third-speed gear pair and the fifth-speed gear pair share the third and fifth-speed driving gears 35a, so that two gears can be reduced, so that the power drive system 100 The structure is more compact and the axial dimension is smaller.

Since the driven gear and the output shaft have an empty sleeve structure, a synchronizer needs to be provided to synchronize the corresponding driven gear and the output shaft to realize power output.

In some embodiments, as shown in FIGS. 1-8 , the power drive system 100 includes a first and third gear synchronizer 13c, a second and fourth gear synchronizer 24c, a fifth and seventh gear synchronizer 57c, and a sixth gear synchronizer 6c.

As shown in Figure 1, a third gear synchronizer 13c is arranged on the first output shaft 21 and is located between the first gear driven gear 1b and the third gear driven gear 3b, and the first third gear synchronizer 13c can drive the first gear The gear 1b or the third-speed driven gear 3b is engaged with the first output shaft 21 so that the driven gear and the output shaft can rotate synchronously.

For example, as shown in FIG. 1 , the third-speed synchronizer 13c moving sleeve to the left can engage the third-speed driven gear 3b with the first output shaft 21, so that the third-speed driven gear 3b and the first output shaft 21 can Synchronized rotation. The first gear driven gear 1b can be engaged with the first output shaft 21 by moving the engaging sleeve of the third gear synchronizer 13c to the right, so that the first gear driven gear 1b and the first output shaft 21 can rotate synchronously.

As shown in Figure 1, similarly, the second and fourth gear synchronizers 24c are arranged on the first output shaft 21 and are located between the second gear driven gear 2b and the fourth gear driven gear 4b, and the second and fourth gear synchronizers 24c can synchronize the second and fourth gears. The first-speed driven gear 2b or the fourth-speed driven gear 4b is engaged with the first output shaft 21, so that the driven gear and the output shaft can rotate synchronously.

For example, as shown in FIG. 1 , the second-speed and fourth-speed synchronizer 24c moving to the left can engage the second-speed driven gear 2b with the first output shaft 21, so that the second-speed driven gear 2b is synchronized with the first output shaft 21 turn. The second and fourth gear synchronizer 24c moving to the right can engage the fourth gear driven gear 4b with the first output shaft 21, so that the fourth gear driven gear 4b and the first output shaft 21 rotate synchronously.

As shown in Figure 1, similarly, the fifth and seventh gear synchronizers 57c are arranged on the second output shaft 22, the fifth and seventh gear synchronizers 57c are located between the fifth gear driven gear 5b and the seventh gear driven gear 7b, and the fifth and seventh gears The synchronizer 57c is used to engage the fifth-speed driven gear 5b or the seventh-speed driven gear 7b with the second output shaft 22. For example, when the engagement sleeve of the fifth- and seventh-speed synchronizer 57c moves to the right, the seventh-speed driven gear 7b can be moved to the right. Engaged with the second output shaft 22 , the seventh-speed driven gear 7 b rotates synchronously with the second output shaft 22 . As another example, when the sleeve of the fifth and seventh gear synchronizer 57c moves to the left, the fifth gear driven gear 5b can be engaged with the second output shaft 22 , so that the fifth gear driven gear 5b and the second output shaft 22 rotate synchronously.

As shown in Figure 1, similarly, the sixth gear synchronizer 6c is arranged on the second output shaft 22, and the sixth gear synchronizer 6c is located on one side of the sixth gear driven gear 6b, such as the left side, and the sixth gear synchronizer 6c is used for Engage the sixth-speed driven gear 6b with the second output shaft 22, for example, the sleeve of the sixth-speed synchronizer 6c moves to the right, then the sixth-speed driven gear 6b can be engaged with the second output shaft 22, so that the sixth-speed driven gear 6b The gear 6 b rotates synchronously with the second output shaft 22 .

As shown in FIGS. 1-8 , the reverse gear output gear 8 is adjacent to the sixth gear driven gear 6b to share the sixth gear synchronizer 6c, so that the sixth gear synchronizer 6c constitutes a reverse gear synchronizer. As shown in FIG. 1-FIG. 8, the engaging sleeve of the sixth-speed synchronizer 6c moves to the left to engage the reverse output gear 8, and moves to the right to engage the sixth-speed driven gear 6b.

In some embodiments, as shown in FIG. 1 , the distances between the second gear 2a, the fourth and sixth gears 46a, the first gear 1a, the third and fifth gears 35a, the seventh gear 7a and the engine 4 are increasing. Therefore, the arrangement of gears is more reasonable, the power drive system 100 is more compact, and the radial and axial dimensions are relatively smaller. In particular, the first gear 81 of the reverse shaft meshes with the driving gear 1a of the first gear, while the output gear 8 of the reverse gear is located on the side of the driven gear 6b of the sixth gear b, which is close to the engine 4, that is, the output gear 8 of the reverse gear can be located at the corresponding second gear. On the vacancy of the driving gear 2a, the axial dimension of the reverse gear shaft 89 is thus shorter.

In some embodiments of the present utility model, the power transmission or separation between the engine 4 and the first input shaft 11 and the second input shaft 12 of the transmission can be performed through a dual clutch 2d.

With reference to Fig. 1-shown in Fig. 8, double clutch 2d has input end 23d, first output end 21d and second output end 22d, and engine 4 is connected with input end 23d of double clutch 2d, and specifically, engine 4 can pass flywheel Various forms such as a shock absorber or a torsion disc are connected to the input end 23d of the double clutch 2d.

The first output end 21d of the dual clutch 2d is connected to the first input shaft 11 so that the first output end 21d and the first input shaft 11 rotate synchronously. The second output end 22d of the dual clutch 2d is connected to the second input shaft 12 so that the second output end 22d rotates synchronously with the second input shaft 12 .

Wherein, the input end 23d of the dual clutch 2d may be the casing of the dual clutch 2d, and the first output end 21d and the second output end 22d thereof may be two driven discs. Generally, the housing and the two driven plates can be disconnected, that is, the input end 23d is disconnected from the first output end 21d and the second output end 22d, and when one of the driven plates needs to be engaged, the The casing is engaged with the corresponding driven plate to rotate synchronously, that is, the input end 23d is engaged with one of the first output end 21d and the second output end 22d, so that the power transmitted from the input end 23d can pass through the first output end 21d and the second output end 22d. One of the two output terminals 22d outputs.

In particular, the casing can also be engaged with two driven plates at the same time, that is, the input end 23d can also be engaged with the first output end 21d and the second output end 22d at the same time, so that the power transmitted from the input end 23d can pass through the first output end 22d at the same time. The output terminal 21d and the second output terminal 22d output.

It should be understood that the specific engagement state of the dual clutch 2d is affected by the control strategy. For those skilled in the art, the control strategy can be adaptively set according to the actual required transmission mode, so that the input terminal 23d and the two Switching is performed among multiple modes in which the output terminals are all disconnected and the input terminal 23d is connected to at least one of the two output terminals.

The connection relationship between the three power output shafts (ie, the first output shaft 21 , the second output shaft 22 and the motor power shaft 3 ) and the vehicle differential 75 will be described in detail below with reference to FIGS. 1-8 .

The differential 75 of the vehicle may be arranged between a pair of front wheels 76 or between a pair of rear wheels, in some examples of the present invention, the differential 75 is located between a pair of front wheels 76 . The function of the differential 75 is to make the left and right driving wheels roll at different angular velocities when the vehicle is turning or driving on an uneven road surface, so as to ensure pure rolling motion between the driving wheels on both sides and the ground. The differential 75 is provided with a final drive driven gear 74 , for example, the final drive driven gear 74 may be arranged on the housing of the differential 75 . The final drive driven gear 74 may be a bevel gear, but is not limited thereto.

Further, the first output shaft 21 is fixedly provided with a first output shaft output gear 211, and the first output shaft output gear 211 rotates synchronously with the first output shaft 21, and the first output shaft output gear 211 and the final drive driven gear 74 Mesh transmission, so that the power via the first output shaft 21 can be transmitted from the first output shaft output gear 211 to the final drive driven gear 74 and the differential 75 .

Similarly, a second output shaft output gear 221 is fixedly arranged on the second output shaft 22, and the second output shaft output gear 221 rotates synchronously with the second output shaft 22, and the second output shaft output gear 221 is connected with the final drive driven gear 74 is meshed for transmission, so that the power via the second output shaft 22 can be transmitted from the second output shaft output gear 221 to the final drive driven gear 74 and the differential 75 .

Similarly, the first gear 31 of the motor power shaft can be used to output power through the motor power shaft 3 , so the first gear 31 of the motor power shaft is also meshed with the driven gear 74 of the final reducer for transmission.

Some typical working conditions of the power drive system 100 according to the embodiment of the present utility model include power generation at parking, charging while driving mode and reverse gear mode under the condition that the dual clutches 2d are simultaneously engaged.

First describe the typical working condition of parking power generation. When the vehicle is in the parking state, the engine 4 is set to output the generated power to the one of the gear driven gears linked with the second gear 32 of the motor power shaft, and The second gear 32 of the motor power shaft is synchronized by the motor power shaft synchronizer 33c so that the power is output to the first motor generator to drive the first motor generator to generate electricity.

Specifically, in conjunction with the embodiment shown in FIG. 1 , the engine 4 can output power to the second input shaft 12 through the dual clutch 2d after the vehicle is parked, and the motor power shaft synchronizer 33c engages the second gear 32 of the motor power shaft , so that the power through the second input shaft 12 can pass through the second gear pair, the first intermediate shaft gear 711, the intermediate shaft 71, the second intermediate shaft gear 712, the second motor power shaft gear 32, the motor power shaft synchronizer 33c, The motor power shaft 3, the third gear 33 of the motor power shaft, the intermediate gear 512, and the first motor gear 511 are output to the first motor generator 51, thereby driving the first motor generator 51 as a generator to generate electricity.

Thus, the parking power generation function is realized, the charging mode is enriched, and the vehicle is in a stationary state under the parking power generation working condition, the power of the engine 4 can be used for charging, the charging efficiency is improved, and the fast power supply function is realized.

Next, describe the driving while charging working condition under the simultaneous engagement of the dual clutches 2d. The power is output to the wheels through one of the output shafts to drive the vehicle, and the other part of the power is output to the first motor generator 51 through the second gear 32 of the motor power shaft to drive the first motor generator 51 to generate electricity.

Specifically, in combination with the embodiment shown in FIG. 1 , under this working condition, the motor power shaft synchronizer 33c engages the second gear 32 of the motor power shaft, and a part of the power of the engine 4 can be output to the first input shaft 11, and then through a gear pair, third gear pair, fifth gear pair or seven gear pair output, another part of the power of engine 4 can be output to the first from the second input shaft 12, second gear pair, motor power shaft second gear 32 A motor generator 51, so as to drive the first motor generator 51 to generate electricity.

Because in the traditional power transmission system with dual clutch 2d, only one clutch of the dual clutch 2d is in working state at the same time, and the power drive system 100 according to the embodiment of the utility model realizes the breakthrough application of the dual clutch 2d, that is, in Under the fully engaged state of the two clutches of the dual clutch 2d (the input end 23d engages the first output end 21d and the second output end 22d at the same time), a part of the power of the engine 4 is provided by an output shaft (for example, the first output shaft 21 or the second output shaft 21d). The second output shaft 22) outputs to drive the vehicle, and the other part of the power is output to the first motor generator 51 to drive the motor to generate electricity, which enriches the transmission mode and takes into account the requirements of vehicle driving and charging.

The reverse gear mode will be described again. In particular, the power drive system 100 according to the embodiment of the present invention has three reverse gear modes: a mechanical reverse gear mode, an electric reverse gear mode and a hybrid reverse gear mode.

The mechanical reverse gear mode is to use the power of the engine 4 to realize the reverse function of the vehicle. When the vehicle is in the mechanical reverse gear mode, the engine 4 is used as a power source to output the generated power to the reverse gear shaft 89, and the reverse gear is synchronized by the reverse gear synchronizer. output gear 8 so that the power generated by the engine 4 is output from the reverse output gear 8 .

Specifically, in combination with the embodiment shown in FIG. 1 , the sixth-speed synchronizer 6c engages the reverse output gear 8 , so that the power generated by the engine 4 is output to the reverse output gear 8 after passing through the first input shaft 11 and the reverse shaft 89 , so that the reverse gear power can finally be output from the second output shaft 22 through the engagement of the reverse gear synchronizer 6c.

In short, when the vehicle is in mechanical reverse mode, only the reverse synchronizer 6c engages the reverse output gear 8 as shown in FIG. 1 .

The electric reverse gear mode is to utilize the first motor generator 51 to realize the reverse function of the vehicle. When the vehicle is in the electric reverse gear mode, the first motor generator 51 is used as a power source and is connected to the motor power shaft first through the motor power shaft synchronizer 33c. The synchronization of the gears 31 enables the power generated by the first motor generator 51 to be output from the first gear 31 of the motor power shaft, so as to realize the reversing.

Specifically, in conjunction with the embodiment of FIG. 2 , the motor power shaft synchronizer 33c engages the first gear 31 of the motor power shaft, and the power output by the first motor generator 51 passes through the first motor gear 511, the intermediate gear 512, and the third motor power shaft. The gear 33, the motor power shaft 3, and the motor power shaft synchronizer 33c are output from the first gear 31 of the motor power shaft.

In this case, the transmission chain is short, the intermediate transmission parts are few, and the reverse gear efficiency is high, which can be regarded as the direct reverse gear path of the first motor-generator 51 .

In short, in the electric reverse gear mode, only the motor power shaft synchronizer 33c engages with the first motor power shaft gear 31 .

The hybrid reverse mode uses the engine 4 and the first motor generator 51 to realize the reverse function of the vehicle at the same time, and the hybrid reverse mode is a combination of the above-mentioned mechanical reverse mode and electric reverse mode.

When the vehicle is in the hybrid reverse gear mode, the engine 4 is used as a power source to output the generated power to the reverse gear shaft 89, and the reverse gear output gear 8 is synchronized by the reverse gear synchronizer so that the power generated by the engine 4 is output from the reverse gear Gear 8 output.

At the same time, the first motor generator 51 is used as a power source and through the synchronization of the first motor power shaft gear 31 by the motor power shaft synchronizer 33c, the power generated by the first motor generator 51 is transferred from the first motor power shaft gear 31 output.

Specifically, as shown in FIG. 2 , when the power drive system 100 is in the hybrid reverse mode, the above-mentioned mechanical reverse mode and the electric reverse mode are combined, and the engine 4 transmits power from the reverse gear to the output gear according to the above-mentioned mechanical reverse mode. 8 output, the first motor generator 51 outputs power from the first gear 31 of the motor power shaft according to the above-mentioned electric reverse gear mode, and the two parts of power are output to the wheels after being coupled at the driven gear 74 of the final drive to realize hybrid reverse .

At this time, the speed of the first motor generator 51 can be adjusted, so that the driven gear 74 of the final drive can receive the power from the engine 4 and the first motor generator 51 in a balanced and synchronous manner, thereby improving smoothness and coordination of transmission.

In short, in this hybrid mode, as shown in FIG. 2 , the motor power shaft synchronizer 33 c engages with the motor power shaft first gear 31 and the reverse gear synchronizer 6 c engages with the reverse output gear 8 .

Therefore, the power drive system 100 can realize three kinds of reverse gear modes, namely mechanical reverse gear mode, electric reverse gear mode and hybrid reverse gear mode. Switch between gear modes to meet driving requirements.

For example, when the battery charge of the vehicle is sufficient, the electric reverse gear mode can be used, so that not only will no harmful gas be emitted when reversing, but also energy consumption can be reduced. Especially for novice drivers, it may be necessary to The vehicle can be reversed into the designated position after multiple operations, and the engine 4 will generate more harmful gas when reversing at low speed, and the engine 4 is generally in the non-economic speed range when reversing, and the fuel consumption is relatively high. At this time, the electric reversing The gear mode can improve this problem very well, not only can reduce emissions, but also use the electric motor as power to realize low-speed reversing with low energy consumption, which improves the fuel economy of the engine 4 to a certain extent.

As another example, in the case of insufficient or low battery charge of the vehicle, the mechanical reverse gear mode can be adopted. For another example, under working conditions such as fast reversing or high-horsepower reversing, the hybrid reverse mode can be used to increase the power of the vehicle and facilitate reversing.

Of course, the above descriptions about the application environments of the three reverse gear modes are only illustrative, and cannot be understood as a limitation to the present invention or imply that the above corresponding reverse gear modes must be used when the vehicle is in the above environment. For those skilled in the art, it is obvious that the reverse mode required in the corresponding reverse environment can be specifically set according to needs or actual conditions.

Thus, the reverse gear modes of the power drive system 100 are further enriched, more choices are given to the driver, the driving pleasure is fully improved, and the reverse gear requirements of different road conditions are better met.

According to the power drive system 100 of some embodiments of the present invention, as shown in FIGS. 1-8 , a second motor generator 52 can also be added to increase the power of the power drive system 100 and enrich the transmission modes.

For example, in some of these embodiments, the second motor-generator 52 can be transmitted with the driven gear 74 of the final drive. 74 direct mesh transmission. As another example, in some other embodiments, the second motor generator 52 may also be configured to be connected to the first input shaft 11 or to be connected to the first output shaft 21 . As another example, in some other embodiments, there are two second motor generators 52 and they are respectively arranged on both sides of the differential 75 , for example, the two second motor generators 52 can be integrated with the differential 75 . Or, the aforementioned engine 4 and the first motor-generator 51 are used to drive the front wheels, and the second motor-generator 52 can also be a wheel-side motor and be used for the rear wheels, or the second motor-generator 52 can drive two wheels through a reduction mechanism. There are two rear wheels, or there are two second motor generators 52 and one rear wheel is driven by one reduction mechanism respectively.

FIG. 1 is a basic embodiment of a power drive system 100 of the present invention. FIG. 2-FIG. 5 are modification examples of FIG. 1 . Compared with the embodiment in FIG. 1 , the main difference is that a first motor generator 51 is added. The difference between the four embodiments shown in FIGS. 2-5 mainly lies in the way the first motor-generator 51 is connected to the second gear driven gear 2b.

In addition, in each embodiment of Fig. 2-Fig. 5, the power of the first motor generator 51 is connected to the second gear driven gear 2b, of course, it can also be connected to the first gear driven gear 1b, the third gear driven gear Gear 3b or fourth speed driven gear 4b (not shown).

The main difference between the embodiment in Fig. 6-Fig. 8 and the embodiment in Fig. 2- Fig. 5 lies in the power connection mode of the first motor generator 51, which has been described in detail above. For typical working conditions, the embodiment in Figs. 6-8 has the same or similar transmission modes and principles as the embodiment in Figs. 2-5 , so details will not be repeated here.

In addition, the embodiment of the present invention further provides a vehicle including the power drive system 100 as described above. It should be understood that other components of the vehicle according to the embodiment of the present invention, such as driving system, steering system, braking system, etc., are all prior art and well known to those skilled in the art, so the A detailed description is omitted here.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary, and should not be construed as limitations of the present invention, and those of ordinary skill in the art are within the scope of the present invention. Variations, modifications, substitutions and variations can be made to the above-described embodiments.

Claims (10)

1. a kind of power-driven system for vehicle, it is characterised in that including：

Engine；

First input shaft and the second input shaft, the engine are arranged to be selectively engageable first input shaft and described At least one of second input shaft, second input shaft is set on first input shaft, is set on each input shaft There is gear driving gear；

Multiple output shafts, are provided with gear driven gear, the gear driven gear and the gear on each described output shaft Driving gear is accordingly engaged, and in the output shaft overhead set is provided with reverse output gear and is additionally provided with for connecing Close the reverse gear synchronizer of the reverse output gear；

Reverse gear shaft, is fixedly installed reverse gear shaft first gear and reverse gear shaft second gear, the reverse gear shaft on the reverse gear shaft An one gear gear driving gear nearest with reverse output gear described in distance on first input shaft is engaged, it is described fall Gear shaft second gear is engaged with the reverse output gear；

Motor power axle, the motor power axle overhead set is provided with motor power axle first gear and the tooth of motor power axle second Wheel, is additionally provided with positioned at the motor power axle first gear and the motor power axle second gear on the motor power axle Between motor power axle synchronizer, wherein the motor power axle second gear is arranged to and one of gear driving gear Linkage；And

First dynamotor, first dynamotor is arranged to be linked with the motor power axle.

2. the power-driven system for vehicle according to claim 1, it is characterised in that a gear driving gear is to set On first input shaft and the gear driving gear closest with the reverse output gear.

3. the power-driven system for vehicle according to claim 2, it is characterised in that solid on first input shaft Surely a gear driving gear, three or five gear driving gears and seven gear driving gears are provided with, are fixedly installed on second input shaft Two gear driving gear and four or six gear driving gears；

The output shaft includes the first output shaft and the second output shaft, and the first output shaft overhead set is provided with a gear driven tooth Wheel, two gear driven gears, three gear driven gears and four gear driven gears, it is driven that the second output shaft overhead set is provided with five gears Gear, six gear driven gears and seven gear driven gears；

One or three gear synchronizers, the two gears driven gear are provided between the one gear driven gear and the three gears driven gear With described four gear driven gears between be provided with two or four gear synchronizers, it is described five gear driven gear and described seven gear driven gears it Between be provided with five or seven gear synchronizers, it is described six gear driven gear sides be provided with six gear synchronizers.

4. the power-driven system for vehicle according to claim 3, it is characterised in that the reverse output gear is empty It is enclosed within second output shaft and shares six gear synchronizers with described six gear driven gears, so that the six gears synchronizer is constituted The reverse gear synchronizer.

5. the power-driven system for vehicle according to claim 4, it is characterised in that the reverse output gear position In the side near engine of described six gear driven gears.

6. the power-driven system for vehicle according to claim 3, it is characterised in that solid on first output shaft Surely the first output shaft output gear is provided with, the second output shaft output gear is fixedly installed on second output shaft, it is described First output shaft output gear, the second output shaft output gear and the motor power axle first gear with the vehicle Main reducing gear driven gear engagement.

7. the power-driven system for vehicle according to claim 3, it is characterised in that also include：Double clutch, institute Stating double clutch has input, the first output end and the second output end, and the engine is connected with the input, and described One output end is connected with first input shaft, and second output end is connected with second input shaft.

8. the power-driven system for vehicle according to claim 1, it is characterised in that the reverse output gear with An adjacent gear driven gear shares gear synchronizer, and the shared gear synchronizer constitutes the reverse gear synchronizer.

9. the power-driven system for vehicle according to claim 3, it is characterised in that the motor power axle second Gear links with described 46 gear driving gears or the seven gears driving gear.

10. a kind of vehicle, it is characterised in that driven including the power for vehicle according to any one of claim 1-9 Dynamic system.