Power driving system and vehicle

Abstract

The invention discloses a power driving system and a vehicle, and relates to the technical field of vehicle manufacturing. The first driving source and the second driving source are respectively connected with the transmission structure, the first driving source can independently drive a vehicle through the transmission structure, and the second driving source can independently drive the vehicle through the transmission structure. The first driving source and the second driving source can cooperatively work through the transmission structure so as to jointly drive a vehicle. According to the power driving system, the first driving source and the second driving source can transmit power to the wheels through the transmission structure, more power transmission paths can be achieved through fewer gear sets, the arrangement cost of the gear sets is reduced, and the use cost of the power driving system is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle manufacturing, in particular to a power driving system and a vehicle with the same. BACKGROUND

[0002] In the related art, a traditional electric hybrid four-wheel drive vehicle has four gears through four sets of gear sets, however, the number of gear sets is relatively large, the cost is relatively high, and the power transmission efficiency between the motor and the engine is low. SUMMARY

[0003] The present application aims to at least solve one of the problems in the prior art. To this end, the present application provides a power driving system, which uses a smaller number of gear sets, has a lower cost, and has a high transmission efficiency between the motor and the engine.

[0004] The power driving system according to an embodiment of the present application comprises: a transmission structure; a first driving source and a second driving source, the first driving source and the second driving source are respectively connected with the transmission structure, the first driving source can independently drive the vehicle through the transmission structure, the second driving source can independently drive the vehicle through the transmission structure, and the first driving source and the second driving source can work together to jointly drive the vehicle through the transmission structure.

[0005] The power driving system according to an embodiment of the present application sets the transmission structure to transmit power between the first driving source and the wheels, transmit power between the second driving source and the wheels, and input power from the first driving source and the second driving source to the wheels through different power paths, so that the transmission structure can realize more power transmission paths with fewer gear sets, reduce the cost of setting the gear sets, and reduce the use cost of the power driving system.

[0006] The power driving system according to some embodiments of the present application further comprises a differential, the transmission structure comprises a power input shaft group, a driven shaft and a plurality of gear sets, each of the gear sets comprises a driving gear arranged on the power input shaft group and a driven gear arranged on the driven shaft, and the driven shaft is power connected with the differential.

[0007] The power driving system according to some embodiments of the present application comprises three gear sets, the three gear sets are respectively a first gear set, a second gear set and a third gear set, the first gear set comprises a first driving gear and a first driven gear which are engaged with each other, the second gear set comprises a second driving gear and a second driven gear which are engaged with each other, and the third gear set comprises a third driving gear and a third driven gear which are engaged with each other, wherein the first gear set, the second gear set and the third gear set are adapted to work together to form a transmission path.

[0008] According to some embodiments of the power drive system, the first driving gear and the second driving gear are both fixed to the second driving shaft, and the third driving gear is fixed to the first driving shaft; and the first driven gear, the second driven gear and the third driven gear are all fitted on the driven shaft, the first driven gear and the second driven gear are oppositely fixed, and the driven shaft is adapted to be selectively power connected to one of the first driven gear and the second driven gear.

[0009] According to some embodiments of the power drive system, the first driving gear and the second driving gear are both fixed to the second driving shaft, and the third driving gear is fixed to the first driving shaft; and the first driven gear, the second driven gear and the third driven gear are all fitted on the driven shaft, the first driven gear and the second driven gear are oppositely fixed, and the driven shaft is adapted to be selectively power connected to one of the first driven gear and the second driven gear. According to some embodiments of the power drive system, the first driving gear and the second driving gear are both fixed to the second driving shaft, and the third driving gear is fixed to the first driving shaft; and the first driven gear, the second driven gear and the third driven gear are all fitted on the driven shaft, the first driven gear and the second driven gear are oppositely fixed, and the driven shaft is adapted to be selectively power connected to one of the first driven gear and the second driven gear.

[0010] According to some embodiments of the power drive system, the first driving gear and the second driving gear are both fixed to the second driving shaft, and the third driving gear is fixed to the first driving shaft; and the first driven gear, the second driven gear and the third driven gear are all fitted on the driven shaft, the first driven gear and the second driven gear are oppositely fixed, and the driven shaft is adapted to be selectively power connected to one of the first driven gear and the second driven gear. According to some embodiments of the power drive system, the first driving gear and the second driving gear are both fixed to the second driving shaft, and the third driving gear is fixed to the first driving shaft; and the first driven gear, the second driven gear and the third driven gear are all fitted on the driven shaft, the first driven gear and the second driven gear are oppositely fixed, and the driven shaft is adapted to be selectively power connected to one of the first driven gear and the second driven gear.

[0011] According to some embodiments of the power drive system, the first driving gear and the second driving gear are both fixed to the second driving shaft, and the third driving gear is fixed to the first driving shaft; and the first driven gear, the second driven gear and the third driven gear are all fitted on the driven shaft, the first driven gear and the second driven gear are oppositely fixed, and the driven shaft is adapted to be selectively power connected to one of the first driven gear and the second driven gear. According to some embodiments of the power drive system, the first driving gear and the second driving gear are both fixed to the second driving shaft, and the third driving gear is fixed to the first driving shaft; and the first driven gear, the second driven gear and the third driven gear are all fitted on the driven shaft, the first driven gear and the second driven gear are oppositely fixed, and the driven shaft is adapted to be selectively power connected to one of the first driven gear and the second driven gear.

[0012] According to some embodiments of the power drive system, the first driving gear and the second driving gear are both fixed to the second driving shaft, and the third driving gear is fixed to the first driving shaft; and the first driven gear, the second driven gear and the third driven gear are all fitted on the driven shaft, the first driven gear and the second driven gear are oppositely fixed, and the driven shaft is adapted to be selectively power connected to one of the first driven gear and the second driven gear. The first driven gear, the second driven gear and the third driven gear are all sleeved on the driven shaft, the second driven gear and the third driven gear are relatively fixed, and the driven shaft is selectively connected in power with one of the first driven gear and the second driven gear.

[0013] According to the power driving system of some embodiments of the present application, the first driving source is selectively connected in power with the first driving shaft or the second driving shaft through a clutch; Alternatively, the first driving source is connected with the first driving shaft.

[0014] According to the power driving system of some embodiments of the present application, the second driving source is connected with the second driving shaft; Alternatively, the second driving source is connected with the first driving shaft.

[0015] According to the power driving system of some embodiments of the present application, the power input shaft group comprises a first shaft body and a second shaft body which are distributed in axial direction, the first driving source is connected in power with the first shaft body, the second driving source is connected in power with the second shaft body, and at least one of the first driving gear, the second driving gear and the third driving gear is connected with the first shaft body and the other at least one is connected with the second shaft body.

[0016] According to the power driving system of some embodiments of the present application, the first driving gear and the second driving gear are relatively fixed and are both sleeved on the first shaft body, the second driving gear is selectively connected in power with the first shaft body, the third driving gear is fixed on the second shaft body, the first driven gear, the second driven gear and the third driven gear are all sleeved on the driven shaft, the driven shaft is selectively connected in power with one of the first driven gear and the second driven gear, and the second driven gear is relatively fixed with the third driven gear; Alternatively, the first driving gear is sleeved on the first shaft body and is selectively connected in power with the first shaft body, the second driving gear and the third driving gear are both fixed on the second shaft body, the first driven gear, the second driven gear and the third driven gear are all sleeved on the driven shaft, the first driven gear and the second driven gear are relatively fixed, and the second driven gear and the third driven gear are selectively connected in power with the driven shaft.

[0017] According to some embodiments of the power drive system of the present application, the power input shaft set comprises a first driving shaft and a second driving shaft, the second driving shaft is arranged on the first driving shaft, the driven shafts are two, each of the driven shafts is selectively connected with the second driving shaft through at least one fourth gear set, and each of the driven shafts is selectively connected with the first driving shaft through at least one fifth gear set; And / or, the fourth gear set comprises a fourth driving gear arranged on the second driving shaft and a fourth driven gear arranged on each of the driven shafts, and the fourth driven gears of the two driven shafts share the fourth driving gear; And / or, the fifth gear set comprises a fifth driving gear arranged on the first driving shaft and a fifth driven gear arranged on each of the driven shafts, and the fifth driven gears of the two driven shafts share the fifth driving gear.

[0018] According to some embodiments of the power drive system of the present application, the fourth driving gear is fixed on the second driving shaft, the fifth driving gear is fixed on the first driving shaft, the fourth driven gear and the fifth driven gear are arranged on the corresponding driven shaft, each of the driven shafts is selectively connected with one of the corresponding fourth driven gear and fifth driven gear, and the corresponding fourth gear set and fifth gear set of the two driven shafts are adapted to work together to form a transmission path; And / or, the first driving source is selectively connected with one of the first driving shaft and the second driving shaft; And / or, the second driving source is connected with the first driving shaft or the second driving shaft.

[0019] The present application also proposes a vehicle.

[0020] According to the vehicle of the embodiments of the present application, the power drive system of any of the above embodiments is included.

[0021] The vehicle and the power drive system have the same advantages as the prior art, which will not be repeated here.

[0022] Additional aspects and advantages of the present application will be given in part in the following description, part will become apparent from the following description, or will be understood by those skilled in the art through practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0023] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which: Figure 1 is a structural schematic of the power drive system of the embodiments of the present application Figure 1 ; Figure 2 is a structural schematic of a power drive system of an embodiment of the present invention Figure 2 ; Figure 3 is a structural schematic of a power drive system of an embodiment of the present invention Figure 3 ; Figure 4 is a structural schematic of a power drive system of an embodiment of the present invention Figure 4 ; Figure 5 is a structural schematic of a power drive system of an embodiment of the present invention Figure 5 ; Figure 6 is a structural schematic of a power drive system of an embodiment of the present invention Figure 6 ; Figure 7 is a structural schematic of a power drive system of an embodiment of the present invention Figure 7 ; Figure 8 is a structural schematic of a power drive system of an embodiment of the present invention Figure 8 ; Figure 9 is a structural schematic of a power drive system of an embodiment of the present invention Figure 9 ; Figure 10 is a structural schematic of a power drive system of an embodiment of the present invention Figure 10 ; Figure 11 is a structural schematic of a power drive system of an embodiment of the present invention Figure 10 ; Figure 12 is a structural schematic of a power drive system of an embodiment of the present invention Figure 10 ; Figure 13 is a structural schematic of a power drive system of an embodiment of the present invention Figure 10 ; Figure 14 is a structural schematic of a power drive system of an embodiment of the present invention Figure 10 ; Figure 15 is a structural schematic of a power drive system of an embodiment of the present invention Figure 10 ; Figure 16 is a structural schematic of a power drive system of an embodiment of the present invention Figure 10 ; Figure 17 is a structural schematic of a power drive system of an embodiment of the present invention Figure 10 ; Figure 18 is a structural schematic of a power drive system of an embodiment of the present inventionFigure 10 Eight; Figure 19 is a power transmission path diagram of a power drive system in some embodiments of the present application.

[0024] Reference Signs: Power drive system 100, Transmission structure 1, first driving shaft 11, third synchronizer 111, fourth synchronizer 112, first shaft body 113, second shaft body 114, driven shaft 12, first synchronizer 121, second synchronizer 122, first gear set 13, first driving gear 131, first driven gear 132, second gear set 14, second driving gear 141, second driven gear 142, third gear set 15, third driving gear 151, third driven gear 152, second driving shaft 16, fourth gear set 17, fourth driving gear 171, fourth driven gear 172, fifth gear set 18, fifth driving gear 181, fifth driven gear 182, Differential 2, First drive source 3, second drive source 4, clutch 5, damper 6. DETAILED DESCRIPTION

[0025] Embodiments of the present application are described in detail below with reference to the attached drawings, which show by way of example embodiments in which the same or similar elements or elements having the same or similar functions are denoted by the same or similar reference numbers throughout the drawings. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application only, and are not to be understood as limiting the present application.

[0026] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0027] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0028] The following is for reference. Figures 1-19 The power drive system 100 according to an embodiment of the present invention is described. By flexibly cooperating with the transmission structure 1, the first drive source 3 and the second drive source 4 can transmit power to the wheels. The transmission path of the transmission structure 1 can be partially shared. Compared with the traditional drive method, it uses fewer gears and has a lower cost.

[0029] like Figures 1-19 As shown, the power drive system 100 according to an embodiment of the present invention includes: a transmission structure 1, a first drive source 3, and a second drive source 4.

[0030] The transmission structure 1 is a power transmission device in the power drive system 100. That is, power can be transmitted to the power execution end through the transmission structure 1. For example, the transmission structure 1 can transmit power to the wheels to drive the wheels. Specifically, the transmission structure 1 can be connected to the differential 2. That is, the transmission structure 1 can transmit power to the differential 2, and then the differential 2 can continue to transmit power to the wheels to drive the wheels to rotate.

[0031] The first drive source 3 and the second drive source 4 can generate driving force, and the first drive source 3 and the second drive source 4 can be connected to the transmission structure 1 respectively. That is to say, the first drive source 3 can be connected to the transmission structure 1, or the second drive source 4 can be connected to the transmission structure 1, both of which can transmit driving force to the wheels.

[0032] Furthermore, the first drive source 3 can transmit power to the wheel through the transmission structure 1, the second drive source 4 can transmit power to the wheel through the transmission structure, or the first drive source 3 and the second drive source 4 can work together to transmit power to the wheel, thereby driving the wheel to rotate.

[0033] Specifically, the first driving source 3 can generate power, and the first driving source 3 can be connected with the transmission structure 1. That is, the first driving source 3 can transmit power to the transmission structure 1, and the power is output to the wheels by different gear sets of the transmission structure 1. The second driving source 4 can generate driving power, and the second driving source 4 can be connected with the transmission structure 1, the second driving source 4 can transmit power to the transmission structure 1, and the power is output to the wheels by different gear sets of the transmission structure 1. Alternatively, the first driving source 3 and the second driving source 4 can jointly output power to the transmission structure 1, so that the transmission structure 1 can realize more power transmission paths through the gear sets on the common part of the transmission structure 1, thereby forming more types of driving modes and enriching the power paths of the power driving system 100. That is, by selectively cooperating with the transmission structure 1 through the first driving source 3 and the second driving source 4, the power input paths of the first driving source 3 and the second driving source 4 are increased, so that the transmission structure 1 can output power to the differential 2 in more power paths than the number of gear sets, thereby reducing the number of gear sets required for the same number of power paths, reducing the setting cost, and reducing the use cost of the power driving system 100.

[0034] According to the power driving system 100 of the embodiment of the present application, the transmission structure 1 can transmit power between the first driving source 3 and the wheels, and can also transmit power between the second driving source 4 and the wheels. The first driving source 3 and the second driving source 4 input power to the wheels in different power paths, so that the transmission structure 1 can realize more power transmission paths with fewer gear sets, which can reduce the setting cost of the gear sets and reduce the use cost of the power driving system 100.

[0035] In some embodiments, the power driving system 100 further comprises a differential 2, and the transmission structure 1 comprises a power input shaft group, a driven shaft 12, and a plurality of gear sets, each gear set comprising a driving gear arranged on the power input shaft group and a driven gear arranged on the driven shaft 12. The driven shaft 12 is in power connection with the differential 2.

[0036] That is, the power input shaft group and the driven shaft 12 can be connected through the gear sets, that is, the power input shaft group and the driven shaft 12 can transmit power through the gear sets, and then the driven shaft 12 can continue to transmit power to the differential 2 to drive the wheels.

[0037] Among them, the first driving source 3 and the second driving source 4 can be flexibly connected to the power input shaft group, so that the first driving source 3 and the second driving source 4 output power in different power paths.

[0038] Specifically, when the power driving system 100 is in power output, the first driving source 3 can output power to the power input shaft group, the rotation of the power input shaft group can drive the driving gear to rotate, the driving gear in turn drives the driven gear to rotate through meshing, and the driven gear can drive the driven shaft 12 to rotate. Similarly, the second driving source 4 can transmit power to the power input shaft group, and the power input shaft group can input the driving gear of a different gear set, and in turn transmit power to the corresponding driven gear and driven shaft 12.

[0039] Thus, the power is transmitted from the power input shaft group to the driven shaft 12 in the transmission structure 1, and then the driven shaft 12 can transmit power to the differential 2, realizing the transmission of power to the wheels, i.e. the power can be transmitted to the wheels to drive the wheels to rotate. Among them, the number of gear sets can be set to three, five or more. In other words, through the cooperation of the transmission structure 1, the first driving source 3 and the second driving source 4, the power input path of the first driving source 3 and the second driving source 4 is increased, so that they can form a combined power transmission path at the same time, can connect the combined path from different gear sets, and can enrich more power transmission paths, so that the transmission structure 1 can output power to the differential 2 with more than the number of gear sets. The number of gear sets required for the power path, thereby reducing the number of gear sets required for the same number of power paths, reducing the cost of setting, and reducing the use cost of the power driving system 100.

[0040] In some embodiments, the number of gear sets is three, and the three gear sets are respectively a first gear set 13, a second gear set 14 and a third gear set 15. The first gear set 13 includes a first driving gear 131 and a first driven gear 132 that mesh with each other, the second gear set 14 includes a second driving gear 141 and a second driven gear 142 that mesh with each other, and the third gear set 15 includes a third driving gear 151 and a third driven gear 152 that mesh with each other. Among them, the first gear set 23, the second gear set 24 and the third gear set 25 are adapted to work together to form a transmission path. That is, the number of gear sets in the transmission structure 1 can be three, each gear set is provided with a driving gear and a driven gear, the driving gear and the driven gear can be meshed to realize the transmission effect, i.e. the driving gear can drive the corresponding driven gear to rotate, thereby realizing the power transmission between the two gears. Thus, the power input shaft group and the driven shaft 12 can transmit power through the three gear sets.

[0041] Specifically, as Figures 1-16 and Figure 19As shown, the three gear sets are respectively a first gear set 13, a second gear set 14 and a third gear set 15, and the first gear set 13 includes a first driving gear 131 and a first driven gear 132 that are engaged with each other, the second gear set 14 includes a second driving gear 141 and a second driven gear 142 that are engaged with each other, and the third gear set 15 includes a third driving gear 151 and a third driven gear 152 that are engaged with each other. When the first driving source 3 transmits power to the transmission structure 1, the driving gear can be driven to rotate under the driving of the power, and at this time, the driven gear engaged with the driving gear can be driven to rotate synchronously, so as to realize the transmission of power from the driving gear to the driven gear, and the three gear sets can all realize power transmission, which is beneficial to driving the wheels to rotate.

[0042] Among them, the first driving source 3 can input power from the power input shaft set to the first gear set 13, the second gear set 14 and the third gear set 15, or input power from one or two of the first gear set 13, the second gear set 14 and the third gear set 15, so as to increase the power input path and realize more gear power driving.

[0043] In some embodiments, the power input shaft set includes a first driving shaft 11 and a second driving shaft 16, the second driving shaft 16 is arranged outside the first driving shaft 11 in a sleeved manner, and at least one of the first driving gear 131, the second driving gear 141 and the third driving gear 151 is connected to the first driving shaft 11 and the other at least one is connected to the second driving shaft 16. That is, the power input shaft set realizes power connection with the gear set through the first driving shaft 11 and the second driving shaft 16, one gear set is connected to the first driving shaft 11, another gear set is connected to the second driving shaft 16, and the third gear set can be connected to the first driving shaft 11 or the second driving shaft 16, and the specific connection mode is flexible and optional.

[0044] Therefore, the first driving shaft 11 and the second driving shaft 16 can both transmit power through at least one gear set, and the power connection mode between the three gear sets and the first driving shaft 11 and the second driving shaft 16 can be flexibly combined, so that the power driving system 100 can be combined and connected in a more abundant way to realize more power paths of power output.

[0045] In some embodiments, the first driving gear 131 and the second driving gear 141 are both fixed to the second driving shaft 16, that is, the second driving shaft 16 can drive the first driving gear 131 and the second driving gear 141 to rotate together when the second driving shaft 16 rotates, and the third driving gear 151 is fixed to the first driving shaft 11, that is, the first driving shaft 11 can drive the third driving gear 151 to rotate when the first driving shaft 11 rotates.

[0046] The first driven gear 132, the second driven gear 142 and the third driven gear 152 are all sleeved on the driven shaft 12, the second driven gear 142 is fixed opposite to the third driven gear 152, and the driven shaft 12 is adapted to be selectively connected in power to one of the first driven gear 132 and the second driven gear 142, so that the first driven gear 132 and the second driven gear 142 can only drive the driven shaft 12 to rotate when one of the gears rotates, avoiding the problem of interference between different gears. Thus, power can be transmitted through different paths in the transmission structure 1.

[0047] Specifically, as shown in Figure 1 , Figure 2 , Figure 5 , Figure 6 and Figure 19 , the first driving shaft 11 and the second driving shaft 16 can output power to the corresponding driven gears through the driving gears thereon to form direct power output. For example, the first driving shaft 11 directly outputs power to the driven shaft 12 through the third driving gear 151 and the third driven gear 152, the second driving shaft 16 directly outputs power to the driven shaft 12 through the first driving gear 131 and the first driven gear 132, or the second driving shaft 16 directly outputs power to the driven shaft 12 through the second driving gear 141 and the second driven gear 142, thereby realizing power output of three basic gears.

[0048] In addition, as shown in Figure 19 , a fourth gear can also be formed by the cooperation of the three gear sets. Specifically, during power transmission, the first driving source 3 and the second driving 4 can be connected in power with the first driving shaft 11, the first driving shaft 11 can drive the third driving gear 151, the third driving gear 151 can further drive the third driven gear 152 to rotate, the third driven gear 152 can continue to drive the second driven gear 142, the second driven gear 142 can drive the second driving gear 141 to rotate, the second driving gear 141 drives the second driving shaft 16 and the first driving gear 131 to rotate together, so that the first driving gear 131 drives the first driven gear 132, and the first driven gear 132 further drives the driven shaft 12 to rotate, so that the driven shaft 12 outputs power, thereby realizing different power output modes and forming a power transmission mode in which different gear sets cooperate.

[0049] Thus, the power is transmitted from the first driving shaft 11 or the second driving shaft 16 to the driven shaft 12 in the transmission structure 1, that is, the power output can be achieved not only by a single gear set, but also by the cooperative engagement of the three gear sets from the first driving shaft 11 to the driven shaft 12, and the cooperative engagement of the three gear sets to achieve the power series connection between different gear sets and form a new power output path. Thus, the power can be transmitted through four transmission paths in the transmission structure 1, that is, the transmission structure 1 can achieve four gears of the vehicle through the three gear sets, which is beneficial to reduce the number of gear sets and reduce the cost.

[0050] In some embodiments, the first driving gear 131 is fixed to the second driving shaft 16, that is, the second driving shaft 16 can drive the first driving gear 131 to rotate when rotating, and the second driving gear 141 and the third driving gear 151 are both fixed to the first driving shaft 11, that is, the first driving shaft 11 can drive the second driving gear 141 and the third driving gear 151 to rotate together when rotating.

[0051] In addition, the first driven gear 132, the second driven gear 142 and the third driven gear 152 are all sleeved on the driven shaft 12, the first driven gear 132 is fixed relative to the second driven gear 142, and the driven shaft 12 is adapted to be selectively connected in power to one of the second driven gear 142 and the third driven gear 152, that is, the first driven gear 132 and the second driven gear 142 can rotate synchronously, and the second driven gear 142 and the third driven gear 152 can only drive the driven shaft 12 to rotate alone when one of the gears rotates, avoiding the problem of interference between different gears. Thus, the power can be transmitted through different paths in the transmission structure 1.

[0052] Specifically, as shown in Figure 9 , Figure 10 , Figure 13 and Figure 14 , in this embodiment, the first driving shaft 11 and the second driving shaft 16 can output power to the corresponding driven gear through the driving gear thereon to form direct power output. For example, the first driving shaft 11 directly outputs power to the driven shaft 12 through the second driving gear 141, the second driven gear 142, or the first driving shaft 11 directly outputs power to the driven shaft 12 through the third driving gear 151, the third driven gear 152, or the second driving shaft 16 directly outputs power to the driven shaft 12 through the first driving gear 131, the first driven gear 132, thereby achieving power output of three basic gears.

[0053] In addition, as shown in Figure 9As shown, the fourth gear can also be formed by the cooperation of the three gear sets, specifically, during the power transmission, the first driving source 3 and the second driving source 4 can be in power connection with the second driving shaft 16, the second driving shaft 16 can drive the first driving gear 131 to rotate, the first driving gear 131 drives the first driven gear 132 to rotate, the first driven gear 132 is fixedly connected with the second driven gear 142, so that the second driven gear 142 can drive the second driving gear 141 to rotate, so that the second driving gear 141 drives the first driving shaft 11 and the third driving gear 151 to rotate, further, the third driving gear 151 drives the third driven gear 152 to rotate, the third driven gear 152 is connected with the driven shaft 12 through the first synchronizer 121, so that the driven shaft 12 performs power output, so that different power outputs can be realized, and different gear set cooperation power transmission modes are formed.

[0054] Thus, the power is transmitted from the first driving shaft 11 or the second driving shaft 16 to the driven shaft 12 in the transmission structure 1, that is, not only the power output can be realized by a single gear set, but also the power series connection between different gear sets can be realized by the cooperation of the three gear sets from the second driving shaft 16 to the driven shaft 12, and a new power output path is formed. Thus, the power can be transmitted through four transmission paths in the transmission structure 1, that is, the transmission structure 1 can realize four gears of the vehicle through three gear sets, which is beneficial to reduce the number of gear sets and reduce the cost.

[0055] Among them, the driven shaft 12 can be fixedly connected with the second driven gear 142, the first driving source 3 can be in power connection with the first driving shaft 11, during the power transmission, the first driving source 3 can drive the first driving shaft 11 to rotate, the first driving shaft 11 further drives the second driving gear 141 to rotate, the second driving gear 141 can continue to drive the second driven gear 142 to rotate, so as to realize the rotation of the driven shaft 12. Thus, the power transmission from the first driving source 3, the first driving shaft 11, the second driving gear 141, the second driven gear 142 to the driven shaft 12 is realized.

[0056] And the driven shaft 12 can be in power connection with the third driven gear 152, during the power transmission, the first driving source 3 can drive the first driving shaft 11 to rotate, the first driving shaft 11 can drive the third driving gear 151 to rotate, and the third driving gear 151 can continue to drive the third driven gear 152 to rotate, so as to make the driven shaft 12 rotate. Thus, the power transmission from the first driving source 3, the first driving shaft 11, the third driving gear 151, the third driven gear 152 to the driven shaft 12 is realized.

[0057] Therefore, power can be transmitted through four transmission paths in the transmission structure 1, that is, the transmission structure 1 can realize four gears of the vehicle through the three gear sets, which is beneficial to reduce the number of gear sets and reduce the cost.

[0058] In some embodiments, the first driving gear 131 is fixed to the second driving shaft 16, that is, the second driving shaft 16 can drive the first driving gear 131 to rotate when rotating, the second driving gear 141 and the third driving gear 151 are relatively fixed and are sleeved on the first driving shaft 11, and the first driving shaft 11 is selectively connected in power with one of the second driving gear 141 and the second driving shaft 16, wherein the third synchronizer 111 is arranged on the first driving shaft 11, that is, the third synchronizer 111 can fixedly connect the second driving gear 141 with the first driving shaft 11, or the third synchronizer 111 can fixedly connect the second driving shaft 16 with the first driving shaft 11.

[0059] The first driven gear 132, the second driven gear 142 and the third driven gear 152 are all sleeved on the driven shaft 12, the first driven gear 132 is fixed relative to the second driven gear 142, and the driven shaft 12 is selectively connected in power with one of the second driven gear 142 and the third driven gear 152, wherein the fourth synchronizer 112 is arranged on the driven shaft 12, the fourth synchronizer 112 can fixedly connect the second driven gear 142 with the driven shaft 12, or fixedly connect the third driven gear 152 with the driven shaft 12, so that power can be transmitted to the driven shaft 12 through the second driven gear 142 or the third driven gear 152, and power has more transmission paths in the transmission structure 1.

[0060] Specifically, as shown in Figure 3 、 Figure 8 、 Figure 15 and Figure 16 , the transmission structure 1 of this embodiment can also realize 3 basic transmission paths. That is, the first driving shaft 11 and the second driving shaft 16 can both output power to the corresponding driven gear through the driving gear thereon to form direct power output. For example, the second driving shaft 16 directly outputs power to the driven shaft 12 through the first driving gear 131 and the first driven gear 132, or the first driving shaft 11 directly outputs power to the driven shaft 12 through the second driving gear 141 and the second driven gear 142, or the first driving shaft 11 directly outputs power to the driven shaft 12 through the third driving gear 151 and the third driven gear 152, thereby realizing power output of three basic gears.

[0061] The third synchronizer 111 can fixedly connect the second driving gear 141 with the first driving shaft 11, and the fourth synchronizer 112 can fixedly connect the second driven gear 142 with the driven shaft 12. In the power transmission process, the first driving source 3 can be power-connected with the first driving shaft 11, thereby driving the first driving shaft 11 to rotate. The first driving shaft 11 in turn drives the second driving gear 141 to rotate. The second driving gear 141 can drive the second driven gear 142 to rotate through meshing, thereby driving the driven shaft 12 to rotate. Thus, the power transmission from the first driving source 3, the second driving gear 141, the second driven gear 142 to the driven shaft 12 is realized.

[0062] The third synchronizer 111 can fixedly connect the second driving gear 141 with the first driving shaft 11, and the fourth synchronizer 112 can fixedly connect the second driven gear 142 with the driven shaft 12. In the power transmission process, the first driving source 3 can be power-connected with the first driving shaft 11, thereby driving the first driving shaft 11 to rotate. The first driving shaft 11 in turn drives the second driving gear 141 to rotate. The second driving gear 141 can drive the second driven gear 142 to rotate through meshing, thereby driving the driven shaft 12 to rotate. Thus, the power transmission from the first driving source 3, the second driving gear 141, the second driven gear 142 to the driven shaft 12 is realized.

[0063] The third synchronizer 111 can fixedly connect the second driving gear 141 with the first driving shaft 11, and the fourth synchronizer 112 can fixedly connect the second driven gear 142 with the driven shaft 12. In the power transmission process, the first driving source 3 can be power-connected with the first driving shaft 11, thereby driving the first driving shaft 11 to rotate. The first driving shaft 11 in turn drives the second driving gear 141 to rotate. The second driving gear 141 can drive the second driven gear 142 to rotate through meshing, thereby driving the driven shaft 12 to rotate. Thus, the power transmission from the first driving source 3, the second driving gear 141, the second driven gear 142 to the driven shaft 12 is realized.

[0064] And, the fourth synchronizer 112 can fixedly connect the third driven gear 152 with the driven shaft 12, in the process of power transmission, the first driving source 3 can be power connected with the first driving shaft 11, thereby driving the first driving shaft 11 to rotate, the first driving shaft 11 can drive the first driving gear 131 to rotate, the first driving gear 131 drives the first driven gear 132 to rotate through meshing, the first driven gear 132 drives the second driven gear 142 to rotate synchronously, and the second driven gear 142 can drive the second driving gear 141 to rotate through meshing, the second driving gear 141 can drive the third driving gear 151 to rotate, the third driving gear 151 drives the third driven gear 152 to rotate through meshing, and the third driven gear 152 drives the driven shaft 12 to rotate, thereby realizing the power transmission from the first driving source 3, the first driving shaft 11, the first driving gear 131, the first driven gear 132, the second driven gear 142, the second driving gear 141, the third driving gear 151, the third driven gear 152 to the driven shaft 12. Thus, the cooperative work between the three gear sets can be realized, and the power output of at least four gears can be realized.

[0065] Thus, the power can be transmitted through four transmission paths in the transmission structure 1, that is, the transmission structure 1 can realize four gears of the vehicle through the three gear sets, which is beneficial to reduce the number of gear sets and reduce the cost.

[0066] In some embodiments, the first driving gear 131 and the second driving gear 141 are both fixed to the second driving shaft 16, that is, the second driving shaft 16 can drive the first driving gear 131 and the second driving gear 141 to rotate together when rotating, the third driving gear 151 is sleeved on the first driving shaft 11, and the first driving shaft 11 is selectively power connected with one of the second driving shaft 16 and the third driving gear 151, that is, the first driving shaft 11 can selectively drive the third driving gear 151 or the second driving shaft 16 to rotate.

[0067] Among them, the first driven gear 132, the second driven gear 142 and the third driven gear 152 are all sleeved on the driven shaft 12, the second driven gear 142 and the third driven gear 152 are relatively fixed, that is, the second driven gear 142 and the third driven gear 152 can rotate synchronously, and the driven shaft 12 is selectively power connected with one of the first driven gear 132 and the second driven gear 142.

[0068] That is, the first driving shaft 11 can be power connected with the second driving shaft 16, or the first driving shaft 11 can be power connected with the third driving gear 151, both of which can realize power transmission, and the driven shaft 12 can be connected with the first driven gear 132 or the second driven gear 142, thereby allowing the power to have different transmission paths in the transmission structure 1.

[0069] Specifically, as shown in Figure 7 , Figure 11 , when the first driving shaft 11 is connected with the second driving shaft 16 and the driven shaft 12 is connected with the first driven gear 132, the first driving source 3 can be connected with the first driving shaft 11 in power, so as to drive the first driving shaft 11 to rotate, and the first driving shaft 11 can drive the second driving shaft 16 and the second driving gear 141 to rotate, the second driving gear 141 drives the first driving gear 131 to rotate, and the first driving gear 131 drives the first driven gear 132 to rotate through meshing, so as to drive the driven shaft 12 to rotate, thereby realizing power transmission from the first driving source 3, the first driving shaft 11, the second driving gear 141, the first driving gear 131, the first driven gear 132 to the driven shaft 12.

[0070] In addition, when the first driving shaft 11 is connected with the second driving shaft 16 and the driven shaft 12 is connected with the second driven gear 142, the first driving source 3 can be connected with the first driving shaft 11 in power, so as to drive the first driving shaft 11 to rotate, and then drive the second driving shaft 16 and the second driving gear 141 to rotate, and the second driving gear 141 can drive the second driven gear 142 to rotate through meshing, so as to drive the driven shaft 12 to rotate, thereby realizing power transmission from the first driving source 3, the first driving shaft 11, the second driving gear 141, the second driven gear 142 to the driven shaft 12.

[0071] In addition, when the first driving shaft 11 is connected with the third driving gear 151 and the driven shaft 12 is connected with the second driven gear 142, the first driving source 3 can be connected with the first driving shaft 11 in power, so as to drive the first driving shaft 11 to rotate, and then drive the third driving gear 151 to rotate, and the third driving gear 151 can drive the third driven gear 152 to rotate through meshing, so as to drive the second driven gear 142 to rotate, and then drive the driven shaft 12 to rotate, thereby realizing power transmission from the first driving source 3, the first driving shaft 11, the third driving gear 151, the third driven gear 152, the second driven gear 142 to the driven shaft 12.

[0072] In addition, the transmission structure 1 of the embodiment can also output power through the cooperation of the three gear sets. Specifically, the first driving shaft 11 can be combined with the third driving gear 151 to drive the third driving gear 151 to rotate, the third driving gear 151 drives the third driven gear 152 to rotate through meshing, the third driven gear 152 drives the second driven gear 142 to rotate, the second driven gear 142 can drive the second driving gear 141 to rotate through meshing, the second driving gear 141 drives the first driving gear 131 to rotate, and further, the first driving gear 131 drives the first driven gear 132 to rotate, the first driven gear 132 can be combined with the driven shaft 12 to output power to the driven shaft 12, so that the cooperation of the three gear sets can be realized, and the fourth gear drive can be realized. Thus, the power can be transmitted through four transmission paths in the transmission structure 1, that is, the transmission structure 1 can realize four gears of the vehicle through the three gear sets, which is beneficial to reduce the number of gear sets and reduce the cost.

[0073] In some embodiments, the first driving source 3 is selectively connected to the first driving shaft 11 or the second driving shaft 16 through the clutch 5. Alternatively, the first driving source 3 is connected to the first driving shaft 11.

[0074] That is, the first driving source 3 can be selectively connected to the first driving shaft 11 or the second driving shaft 16, or can be fixedly connected to one end of the first driving shaft 11. Specifically, as shown in Figures 1-19 when the first driving source 3 is arranged at the right end of the first driving shaft 11, the first driving source 3 is selectively connected to the first driving shaft 11 or the second driving shaft 16 through the clutch 5, that is, the clutch 5 can connect the first driving source 3 to the first driving shaft 11, so that the first driving source 3 can directly transmit power to the first driving shaft 11, and further drive the driven shaft 12 to rotate, or the clutch 5 can connect the first driving source 3 to the second driving shaft 16, so that the first driving source 3 can transmit power to the second driving shaft 16, and further to the driven shaft 12.

[0075] In addition, when the first driving source 3 is arranged at the right end of the first driving shaft 11, the first driving source 3 can also be fixedly connected to the first driving shaft 11, at this time, the first driving source 3 can directly drive the first driving shaft 11 to rotate, and further realize the transmission of power to the driven shaft 12.

[0076] In some embodiments, the second driving source 4 is connected to the second driving shaft 16. Alternatively, the second driving source 4 is connected to the first driving shaft 11. That is, the second driving source 4 can transmit power to the driving gear through the second driving shaft 16, and further drive the wheel to rotate, or the second driving source 4 can transmit power to the first driving shaft 11 to realize the driving of the wheel.

[0077] Specifically, as shown in Figures 1-19As shown, when the second driving source 4 is arranged at the radial outer side of the second driving shaft 16, the second driving source 4 can drive the driving gear to rotate through the second driving shaft 16, so as to realize the power transmission from the second driving source 4 to the transmission structure 1, and when the second driving source 4 is arranged at one end of the first driving shaft 11, the second driving source 4 can drive the first driving shaft 11 to rotate, so as to realize the power transmission from the second driving source 4 to the transmission structure 1.

[0078] In some embodiments, the power input shaft group includes the first shaft body 113 and the second shaft body 114 which are arranged in axial opposition, the first driving source 3 is power-connected to the first shaft body 113, and the second driving source 4 is power-connected to the second shaft body 114, so that the first driving source 3 can perform power input through the first shaft body 113, and the second driving source 4 can perform power input through the second shaft body 114, so that the first driving source 3 and the second driving source 4 can perform power input through different shaft bodies respectively.

[0079] In some embodiments, the power input shaft group includes the first shaft body 113 and the second shaft body 114 which are arranged in axial opposition, the first driving source 3 is power-connected to the first shaft body 113, and the second driving source 4 is power-connected to the second shaft body 114, so that the first driving source 3 can perform power input through the first shaft body 113, and the second driving source 4 can perform power input through the second shaft body 114, so that the first driving source 3 and the second driving source 4 can perform power input through different shaft bodies respectively.

[0080] In further embodiments, the first driving gear 131 and the second driving gear 141 are relatively fixed and are both sleeved on the first shaft body 113, and the second driving gear 141 is selectively power-connected to the first shaft body 113, for example, by arranging the third synchronizer 111 on the first shaft body 113, so that the second driving gear 141 is selectively power-connected to the first shaft body 113 through the third synchronizer 111, and the third driving gear 151 is fixed to the second shaft body 114, that is, the second shaft body 114 can drive the third driving gear 151 to rotate when rotating.

[0081] In some embodiments, the power input shaft group includes the first shaft body 113 and the second shaft body 114 which are arranged in axial opposition, the first driving source 3 is power-connected to the first shaft body 113, and the second driving source 4 is power-connected to the second shaft body 114, so that the first driving source 3 can perform power input through the first shaft body 113, and the second driving source 4 can perform power input through the second shaft body 114, so that the first driving source 3 and the second driving source 4 can perform power input through different shaft bodies respectively.

[0080] In some embodiments, the power input shaft group includes the first shaft body 113 and the second shaft body 114 which are arranged in axial opposition, the first driving source 3 is power-connected to the first shaft body 113, and the second driving source 4 is power-connected to the second shaft body 114, so that the first driving source 3 can perform power input through the first shaft body 113, and the second driving source 4 can perform power input through the second shaft body 114, so that the first driving source 3 and the second driving source 4 can perform power input through different shaft bodies respectively.

[0082] That is, the first driving source 3 can transmit driving force to the first shaft body 113, the second driving source 4 can transmit driving force to the second shaft body 114, and the third synchronizer 111 can control the second driving gear 141 to be connected with the first shaft body 113, so that the driving force can be transmitted to the driven shaft 12; and the fourth synchronizer 112 can control the first driven gear 132 to be connected with the driven shaft 12, or control the second driven gear 142 to be connected with the driven shaft 12, so that the driving force can be transmitted to the driven shaft 12.

[0083] Specifically, as shown in Figure 4 and Figure 11 , the third synchronizer 111 can connect the second driving gear 141 with the first shaft body 113, and the fourth synchronizer 112 can connect the first driven gear 132 with the driven shaft 12, in the process of transmitting the driving force, the first driving source 3 can drive the first driving shaft 11 to rotate, and then drive the second driving gear 141 to rotate, the second driving gear 141 can drive the first driving gear 131 to rotate, the first driving gear 131 can drive the first driven gear 132 to rotate through meshing, and then drive the driven shaft 12 to rotate, thereby realizing the transmission of the driving force from the first driving source 3, the first shaft body 113, the second driving gear 141, the first driving gear 131, the first driven gear 132 to the driven shaft 12.

[0084] In addition, the third synchronizer 111 can connect the second driving gear 141 with the first shaft body 113, and the fourth synchronizer 112 can connect the second driven gear 142 with the driven shaft 12, in the process of transmitting the driving force, the first driving source 3 can be connected with the first shaft body 113, so as to drive the first shaft body 113 to rotate, the first shaft body 113 drives the second driving gear 141 to rotate, the second driving gear 141 drives the second driven gear 142 to rotate through meshing, so as to drive the driven shaft 12 to rotate, thereby realizing the transmission of the driving force from the first driving source 3, the first shaft body 113, the second driving gear 141, the second driven gear 142 to the driven shaft 12.

[0085] In addition, the third synchronizer 111 can disconnect the second driving gear 141 from the first shaft body 113, and the fourth synchronizer 112 can connect the second driven gear 142 with the driven shaft 12, in the process of transmitting the driving force, the second driving source 4 can drive the second shaft body 114 to rotate, and then drive the third driving gear 151 to rotate, the third driving gear 151 can drive the third driven gear 152 to rotate through meshing, and then drive the second driven gear 142 to rotate, so as to drive the driven shaft 12 to rotate, thereby realizing the transmission of the driving force from the second driving source 4, the second shaft body 114, the third driving gear 151, the third driven gear 152, the second driven gear 142 to the driven shaft 12.

[0086] When the three gear sets work together, the first shaft body 113 is combined with the second driving gear 141, the first driven gear 132 is combined with the driven shaft 12, and the second driving source 4 outputs power to drive the third driving gear 151 to rotate, the third driving gear 151 drives the third driven gear 152 to rotate, the third driven gear 152 drives the second driven gear 142 to rotate, the second driven gear 142 drives the second driving gear 141 to rotate, the second driving gear 141 drives the first driving gear 131 to rotate, the first driving gear 131 drives the first driven gear 132 to rotate, and the first driven gear 132 drives the driven shaft 12 to output power, so that the three gear sets work together. Thus, power can be transmitted through four transmission paths in the transmission structure 1, that is, the transmission structure 1 can realize four gears of the vehicle through the three gear sets, which is beneficial to reduce the number of gear sets and reduce the cost; and the first driving source 3 and the second driving source 4 can drive the wheels.

[0087] In other embodiments, the first driving gear 131 is sleeved on the first shaft body 113, and the first driving gear 131 is selectively connected to the first shaft body 113, such as a third synchronizer 111 arranged on the first shaft body 113, so that the first driving gear 131 is selectively connected to the first shaft body 113 through the third synchronizer 111, and the second driving gear 141 and the third driving gear 151 are fixed on the second shaft body 114.

[0088] Among them, the first driven gear 132, the second driven gear 142 and the third driven gear 152 are all sleeved on the driven shaft 12, the first driven gear 132 and the second driven gear 142 are relatively fixed, and the second driven gear 142 and the third driven gear 152 can be selectively connected to the driven shaft 12 through the fourth synchronizer 112.

[0089] That is, the first driving source 3 can transmit driving force to the first shaft body 113, the second driving source 4 can transmit driving force to the second shaft body 114, and the third synchronizer 111 can connect the first driving gear 131 and the first shaft body 113, so as to realize the transmission of power from the first driving source 3 to the driven shaft 12, and the fourth synchronizer 112 can connect the second driven gear 142 or the third driven gear 152 and the driven shaft 12, so as to realize the transmission of power to the driven shaft 12.

[0090] Specifically, as Figure 8 and Figure 12As shown, the third synchronizer 111 can connect the first driving gear 131 with the first shaft body 113, and the fourth synchronizer 112 can connect the second driven gear 142 with the driven shaft 12. In the process of power transmission, the first driving source 3 can be connected with the first shaft body 113, thereby driving the first shaft body 113 to rotate. The first shaft body 113 can drive the first driving gear 131 to rotate. The first driving gear 131 can drive the first driven gear 132 to rotate through meshing, and then drive the second driven gear 142 to rotate, thereby making the driven shaft 12 rotate. Thus, the power transmission from the first driving source 3, the first shaft body 113, the first driving gear 131, the first driven gear 132, the second driven gear 142 to the driven shaft 12 is realized.

[0091] In addition, the third synchronizer 111 can connect the first driving gear 131 with the first shaft body 113, and the fourth synchronizer 112 can connect the third driven gear 152 with the driven shaft 12. In the process of power transmission, the first driving source 3 can be connected with the first shaft body 113, thereby driving the first shaft body 113 to rotate. The first shaft body 113 can drive the first driving gear 131 to rotate. The first driving gear 131 can drive the first driven gear 132 to rotate through meshing, and then drive the second driven gear 142 to rotate. The second driven gear 142 can drive the second driving gear 141 to rotate through meshing, and then drive the second shaft body 114 and the third driving gear 151 to rotate. The third driving gear 151 can drive the third driven gear 152 to rotate through meshing, thereby making the driven shaft 12 rotate. Thus, the power transmission from the first driving source 3, the first shaft body 113, the first driving gear 131, the first driven gear 132, the second driven gear 142, the second driving gear 141, the second shaft body 114, the third driving gear 151, the third driven gear 152 to the driven shaft 12 is realized, that is, the cooperative work of the three gear sets is realized.

[0092] In addition, the third synchronizer 111 can disconnect the first driving gear 131 from the first shaft body 113, and the fourth synchronizer 112 can connect the second driven gear 142 with the driven shaft 12. In the process of power transmission, the second driving source 4 can drive the second shaft body 114 to rotate. The second shaft body 114 can drive the second driving gear 141 to rotate. The second driving gear 141 can drive the second driven gear 142 to rotate through meshing, thereby making the driven shaft 12 rotate. Thus, the power transmission from the second driving source 4, the second shaft body 114, the second driving gear 141, the second driven gear 142 to the driven shaft 12 is realized.

[0093] And, the third synchronizer 111 can disconnect the first driving gear 131 from the first shaft body 113, and the fourth synchronizer 112 can connect the third driven gear 152 with the driven shaft 12. During the transmission of power, the second driving source 4 can drive the third driving gear 151 to rotate, and the third driving gear 151 can drive the third driven gear 152 to rotate through meshing, and then drive the driven shaft 12 to rotate, thereby realizing the transmission of power from the second driving source 4, the second shaft body 114, the third driving gear 151, the third driven gear 152 to the driven shaft 12.

[0094] Thus, power can be transmitted through four transmission paths in the transmission structure 1, that is, the transmission structure 1 can realize four gears of the vehicle through three gear sets, which is beneficial to reduce the number of gear sets and reduce the cost.

[0095] In some embodiments, the first driving gear 131, the second driving gear 141 and the third driving gear 151 are sequentially distributed along the first driving shaft 11 in a direction away from the first driving source 3. As shown in Figures 1-16 And Figure 19 As shown, the first driving gear 131, the second driving gear 141, the third driving gear 151 and the first driving source 3 can be arranged in the same axial direction, so that the power connection of the first driving gear 131, the second driving gear 141, the third driving gear 151 and the first driving source 3 can be flexibly controlled, which is beneficial to the flexible switching of the gears of the vehicle.

[0096] In some embodiments, the power input shaft group includes the first driving shaft 11 and the second driving shaft 16, the second driving shaft 16 is sleeved on the first driving shaft 11, the driven shaft 12 is two, each driven shaft 12 and the second driving shaft 16 are selectively connected by at least one fourth gear set 17, and each driven shaft 12 and the first driving shaft 11 are selectively connected by at least one fifth gear set 18, so that the first driving shaft 11 and the second driving shaft 16 can be powered by at least one gear set, which is beneficial to flexibly switching the power input path.

[0097] In some embodiments, the fourth gear set 17 includes a fourth driving gear 171 arranged on the first driving shaft 11 and a fourth driven gear 172 arranged on the driven shaft 12, and the fourth gear sets 17 of the two driven shafts 12 share the fourth driving gear 171, the fifth gear set 18 includes a fifth driving gear 181 arranged on the first driving shaft 11 and a fifth driven gear 182 arranged on the driven shaft 12, and the fifth gear sets 18 of the two driven shafts 12 share the fifth driving gear 181, and the first driving source 3 is selectively connected to the first driving shaft 11 or one of the fourth driving gears 171.

[0098] That is, the first driving shaft 11 can simultaneously transmit power to the two driven shafts 12 through the fifth gear set 18, and the second driving shaft 16 can simultaneously transmit power to the two driven shafts 12 through the fourth gear set 17.

[0099] Specifically, as shown in Figure 17 and Figure 18 , the two driven shafts 12 can be arranged on both sides of the first driving shaft 11, and each driven shaft 12 is connected to the first driving shaft 11 through the fifth gear set 18. When the first driving source 3 is connected to the first driving shaft 11, the first driving shaft 11 can be connected to the two driven shafts 12 through the fifth gear set 18, thereby realizing power transmission from the first driving shaft 11 to the two driven shafts 12; and when the first driving source 3 is connected to the second driving shaft 16, the second driving shaft 16 can be connected to the two driven shafts 12 through the fourth gear set 17, thereby realizing power transmission from the second driving shaft 16 to the two driven shafts 12.

[0100] In some embodiments, the fourth driving gear 171 is fixed to the second driving shaft 16, the fifth driving gear 181 is fixed to the first driving shaft 11, and the fourth driven gear 172 and the fifth driven gear 182 are both arranged on the corresponding driven shaft 12. Each driven shaft 12 is selectively connected to one of the corresponding fourth driven gear 172 and fifth driven gear 182, wherein the fourth gear set 17 and the fifth gear set 18 of the two driven shafts 12 are adapted to work together to form a transmission path.

[0101] Specifically, as shown in Figure 17 and Figure 18 , the first driving source 3 can be connected to the second driving shaft 16 or the first driving shaft 11. When the first driving source 3 is connected to the second driving shaft 16 and the driven shaft 12 is fixedly connected to the fourth driven gear 172, the first driving source 3 drives the fourth driving gear 171 to rotate, and the fourth driving gear 171 can simultaneously drive the two fourth driven gears 172 to rotate synchronously; when the first driving source 3 is connected to the first driving shaft 11 and the driven shaft 12 is fixedly connected to the fifth driving gear 181, the first driving source 3 can drive the first driving shaft 11 to rotate, the first driving shaft 11 drives the fifth driving gear 181 to rotate, the fifth driving gear 181 drives the fifth driven gear 182 to rotate through the meshing effect, and the driven shaft 12 is further rotated.

[0102] In a further embodiment, the first driving source 3 is selectively power-connected to one of the first driving shaft 11 and the second driving shaft 16, i.e. the first driving source 3 can input power to the first driving shaft 11 so that the first driving shaft 11 can output power through the fifth gear set 18, or input power to the second driving shaft 16 so that the second driving shaft 16 can output power through the fourth gear set 17, and the driving path is flexible and optional.

[0103] And / or, the second driving source 4 is power-connected to the first driving shaft 11 or the second driving shaft 16, i.e. the second driving source 4 can be fixedly connected to the first driving shaft 11 to input power through the first driving shaft 11, or be drivingly connected to the second driving shaft 16 to input power through the second driving shaft 16, and the driving mode is flexible and optional, which is beneficial to meet different types of driving requirements.

[0104] The application further provides a vehicle.

[0105] The vehicle according to the embodiment of the application comprises the power driving system 100 of any of the above embodiments. The power driving system 100 is configured to transmit power between the first driving source 3 and the second driving source 4 and the differential 2 through the transmission structure 1, the first driving source 3 and the second driving source 4 can input power from different gear sets, and the gear sets can work cooperatively, so that the transmission structure 1 can realize more power transmission paths with fewer gear sets, and the setting cost of the gear sets can be reduced, and the use cost of the power driving system 100 can be reduced.

[0106] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0107] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A power drive system, characterized in that, include: Transmission structure (1); The first drive source (3) and the second drive source (4) are respectively connected to the transmission structure (1). The first drive source (3) can drive the vehicle independently through the transmission structure (1), and the second drive source (4) can drive the vehicle independently through the transmission structure (1). The first drive source (3) and the second drive source (4) can work together through the transmission structure (1) to drive the vehicle together.

2. The power drive system according to claim 1, characterized in that, It also includes a differential (2), and the transmission structure (1) includes a power input shaft group, a driven shaft (12) and multiple gear groups. Each gear group includes a driving gear located on the power input shaft group and a driven gear located on the driven shaft (12). The driven shaft (12) is poweredly connected to the differential (2).

3. The power drive system according to claim 2, characterized in that, The gear set consists of three gears, namely a first gear set (13), a second gear set (14), and a third gear set (15). The first gear set (13) includes a first driving gear (131) and a first driven gear (132) meshing with each other. The second gear set (14) includes a second driving gear (141) and a second driven gear (142) meshing with each other. The third gear set (15) includes a third driving gear (151) and a third driven gear (152) meshing with each other. The first gear set (23), the second gear set (24), and the third gear set (25) are adapted to work together to form a transmission path.

4. The power drive system according to claim 3, characterized in that, The power input shaft assembly includes a first drive shaft (11) and a second drive shaft (16). The second drive shaft (16) is loosely fitted outside the first drive shaft (11). At least one of the first drive gear (131), the second drive gear (141) and the third drive gear (151) is connected to the first drive shaft (11) and at least one of the other is connected to the second drive shaft (16).

5. The power drive system according to claim 4, characterized in that, The first drive gear (131) and the second drive gear (141) are both fixed to the second drive shaft (16), and the third drive gear (151) is fixed to the first drive shaft (11). Furthermore, the first driven gear (132), the second driven gear (142), and the third driven gear (152) are all loosely fitted onto the driven shaft (12), the second driven gear (142) and the third driven gear (152) are fixed relative to each other, and the driven shaft (12) is adapted to be selectively powered to one of the first driven gear (132) and the second driven gear (142).

6. The power drive system according to claim 4, characterized in that, The first drive gear (131) is fixed to the second drive shaft (16), and the second drive gear (141) and the third drive gear (151) are both fixed to the first drive shaft (11). Furthermore, the first driven gear (132), the second driven gear (142), and the third driven gear (152) are all loosely fitted onto the driven shaft (12). The first driven gear (132) and the second driven gear (142) are fixed relative to each other. The driven shaft (12) is adapted to be selectively powered to one of the second driven gear (142) and the third driven gear (152).

7. The power drive system according to claim 4, characterized in that, The first drive gear (131) is fixed to the second drive shaft (16), the second drive gear (141) and the third drive gear (151) are relatively fixed and are both loosely fitted on the first drive shaft (11), and the first drive shaft (11) is selectively powered to one of the second drive gear (141) and the second drive shaft (16); The first driven gear (132), the second driven gear (142) and the third driven gear (152) are all loosely fitted on the driven shaft (12). The first driven gear (132) and the second driven gear (142) are fixed relative to each other. The driven shaft (12) is selectively powered to one of the second driven gear (142) and the third driven gear (152).

8. The power drive system according to claim 4, characterized in that, The first drive gear (131) and the second drive gear (141) are both fixed to the second drive shaft (16), and the third drive gear (151) is loosely fitted on the first drive shaft (11). The first drive shaft (11) is selectively powered to one of the second drive shaft (16) and the third drive gear (151). The first driven gear (132), the second driven gear (142) and the third driven gear (152) are all loosely fitted on the driven shaft (12). The second driven gear (142) and the third driven gear (152) are relatively fixed. The driven shaft (12) is selectively powered to one of the first driven gear (132) and the second driven gear (142).

9. The power drive system according to any one of claims 4-8, characterized in that, The first drive source (3) is selectively powered to the first drive shaft (11) or the second drive shaft (16) via a clutch (5). Alternatively, the first drive source (3) is connected to the first drive shaft (11).

10. The power drive system according to any one of claims 4-8, characterized in that, The second drive source (4) is connected to the second drive shaft (16); Alternatively, the second drive source (4) is connected to the first drive shaft (11).

11. The power drive system according to claim 3, characterized in that, The power input shaft assembly includes a first shaft (113) and a second shaft (114) that are axially opposite each other. The first drive source (3) is powered to the first shaft (113), and the second drive source (4) is powered to the second shaft (114). At least one of the first drive gear (131), the second drive gear (141), and the third drive gear (151) is connected to the first shaft (113), and at least one of the other drives is connected to the second shaft (114).

12. The power drive system according to claim 11, characterized in that, The first driving gear (131) and the second driving gear (141) are fixed relative to each other and are both loosely fitted on the first shaft (113). The second driving gear (141) is selectively powered to the first shaft (113). The third driving gear (151) is fixed to the second shaft (114). The first driven gear (132), the second driven gear (142) and the third driven gear (152) are all loosely fitted on the driven shaft (12). The driven shaft (12) is selectively powered to one of the first driven gear (132) and the second driven gear (142). The second driven gear (142) and the third driven gear (152) are fixed relative to each other. Alternatively, the first driving gear (131) is loosely fitted on the first shaft (113) and selectively powered on the first shaft (113), the second driving gear (141) and the third driving gear (151) are both fixed on the second shaft (114), the first driven gear (132), the second driven gear (142) and the third driven gear (152) are all loosely fitted on the driven shaft (12), the first driven gear (132) and the second driven gear (142) are relatively fixed, and the second driven gear (142) and the third driven gear (152) are selectively powered on the driven shaft (12).

13. The power drive system according to claim 2, characterized in that, The power input shaft assembly includes a first drive shaft (11) and a second drive shaft (16), the second drive shaft (16) being loosely fitted onto the first drive shaft (11), and two driven shafts (12). Each driven shaft (12) is selectively powered to the second drive shaft (16) via at least one fourth gear set (17), and each driven shaft (12) is selectively powered to the first drive shaft (11) via at least one fifth gear set (18). And / or, the fourth gear set (17) includes a fourth driving gear (171) disposed on the second driving shaft (16) and a fourth driven gear (172) disposed on each of the driven shafts (12), and the fourth driven gears (172) of the two driven shafts (12) share the fourth driving gear (171). And / or, the fifth gear set (18) includes a fifth driving gear (181) disposed on the first driving shaft (11) and a fifth driven gear (182) disposed on each of the driven shafts (12), and the fifth driven gears (182) of the two driven shafts (12) share the fifth driving gear (181).

14. The power drive system according to claim 13, characterized in that, The fourth driving gear (171) is fixed to the second driving shaft (16), the fifth driving gear (181) is fixed to the first driving shaft (11), the fourth driven gear (172) and the fifth driven gear (182) are both loosely fitted on the corresponding driven shaft (12), each driven shaft (12) is selectively powered to one of the corresponding fourth driven gear (172) and the fifth driven gear (182), the fourth gear set (17) and the fifth gear set (18) corresponding to the two driven shafts (12) are adapted to work together to form a transmission path; And / or, the first drive source (3) is selectively powered to one of the first drive shaft (11) and the second drive shaft (16); And / or, the second drive source (4) is powered to the first drive shaft (11) or the second drive shaft (16).

15. A vehicle, characterized in that, The power drive system included in any one of claims 1-14.

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