Hybrid bridge assembly and vehicle

Abstract

An embodiment of the present invention provides a hybrid bridge assembly and an automobile, relating to the field of axles. The hybrid bridge assembly includes an engine, a reduction and transmission assembly, a first in-wheel motor, a first planetary reducer, a first differential gear chain, a second in-wheel motor, a second planetary reducer, a second differential gear chain, and a differential gear shaft; the engine is in transmission connection with the reduction and transmission assembly, and the reduction and transmission assembly is respectively in transmission connection with the first planetary reducer and the second planetary reducer; the first in-wheel motor, the first planetary reducer, the first differential gear chain, and the differential gear shaft are in transmission connection in sequence; the second in-wheel motor, the second planetary reducer, the second differential gear chain, and the differential gear shaft are in transmission connection in sequence. The embodiment of the present invention integrates a hybrid drive solution driven by dual in-wheel motors and traditional energy sources, and has the characteristics of a compact structure and flexible vehicle layout; at the same time, the distributed drive motors adopt mechanical differentials, and also have the characteristics of reliable structure and low cost.

Description

Technical Field

[0001] The present invention relates to the field of axles, and more particularly, to a hybrid axle assembly and an automobile. Background Art

[0002] Existing hybrid drives usually achieve hybrid power output of an automobile by means of pre-coupling in front of a gearbox or different energy types in front and rear axle assemblies. For a hybrid configuration with different energy outputs in the front and rear axles, two sets of transmission devices are required. Especially for the front axle, it has both steering and driving functions; the structure is complex, the overall weight is heavy, and the cost is high. Summary of the Invention

[0003] The purpose of the present invention is to provide a hybrid axle assembly and an automobile, which integrate a hybrid drive solution of dual hub motors and traditional energy drive, and have the characteristics of compact structure and flexible vehicle layout; at the same time, the distributed drive motors adopt mechanical differentials, and also have the characteristics of reliable structure and low cost.

[0004] Embodiments of the present invention are implemented as follows:

[0005] In a first aspect, the present invention provides a hybrid axle assembly, including an engine, a reduction transmission assembly, a first hub motor, a first planetary reducer, a first differential gear chain, a second hub motor, a second planetary reducer, a second differential gear chain, and a differential gear shaft. The engine is located between the first hub motor and the second hub motor;

[0006] The engine is in transmission connection with the reduction transmission assembly. The reduction transmission assembly is respectively in transmission connection with the first planetary reducer and the second planetary reducer. The first planetary reducer is used for transmission connection with a first wheel side, and the second planetary reducer is used for transmission connection with a second wheel side. The first wheel side and the second wheel side are opposite;

[0007] The first hub motor is in transmission connection with the first planetary reducer. The first differential gear chain is in transmission connection with the first planetary reducer and is in transmission connection with one end of the differential gear shaft;

[0008] The second hub motor is in transmission connection with the second planetary reducer. The second differential gear chain is in transmission connection with the second planetary reducer and is in transmission connection with the other end of the differential gear shaft.

[0009] In an alternative embodiment, the speed reduction transmission assembly includes a gearbox, a transmission gear set, a first half shaft, and a second half shaft. The engine is drivingly connected to the gearbox, the transmission gear set is drivingly connected to the gearbox, the first half shaft and the second half shaft are respectively drivingly connected to the transmission gear set, the first half shaft is drivingly connected to the first planetary reducer, and the second half shaft is drivingly connected to the second planetary reducer.

[0010] In an alternative embodiment, the speed reduction transmission assembly further includes a first half shaft gear that meshes and drives with the transmission gear set, and the first half shaft is fixedly connected to the first half shaft gear; and / or, the speed reduction transmission assembly further includes a second half shaft gear that meshes and drives with the transmission gear set, and the second half shaft is fixedly connected to the second half shaft gear.

[0011] In an alternative embodiment, the first planetary reducer includes a first sun gear, a first planet gear, a first ring gear, and a first planet carrier. The first sun gear is drivingly connected to the first hub motor. The number of the first planet gears is multiple, and they are all meshed and driven with the first sun gear and the inner ring of the first ring gear. The first planet carrier is drivingly connected to the multiple first planet carriers, the first planet carrier is drivingly connected to the first half shaft, and is used to be drivingly connected to the first wheel side. The outer ring of the first ring gear is meshed and driven with the first differential gear chain.

[0012] In an alternative embodiment, the first planet carrier is drivingly connected to the first wheel side through a first outer half shaft. The first outer half shaft passes through the first hub motor and is coaxially arranged with the first half shaft.

[0013] In an alternative embodiment, the second planetary reducer includes a second sun gear, a second planet gear, a second ring gear, and a second planet carrier. The second sun gear is drivingly connected to the second hub motor. The number of the second planet gears is multiple, and they are all meshed and driven with the second sun gear and the inner ring of the second ring gear. The second planet carrier is drivingly connected to the multiple second planet carriers, the second planet carrier is drivingly connected to the second half shaft, and is used to be drivingly connected to the second wheel side. The outer ring of the second ring gear is meshed and driven with the second differential gear chain.

[0014] In an alternative embodiment, the second planet carrier is drivingly connected to the second wheel side through a second outer half shaft. The second outer half shaft passes through the second hub motor and is coaxially arranged with the second half shaft.

[0015] In an alternative embodiment, the first half shaft and the second half shaft are coaxially arranged, and are both coaxially arranged with the first wheel side and the second wheel side.

[0016] In an alternative embodiment, the number of transmission stages of the first differential gear chain is equal to or differs from that of the second differential gear chain by an even number.

[0017] In a second aspect, the present invention provides an automobile, comprising the hybrid bridge assembly according to any one of the foregoing embodiments.

[0018] The hybrid bridge assembly and the automobile provided by the embodiments of the present invention: The hybrid bridge assembly can be driven independently or in combination by an engine or a first in-wheel motor and a second in-wheel motor. When driven by the engine, the power transmission path is: engine, reduction transmission assembly. The power is transmitted from the reduction transmission assembly to both wheel ends. Among them, the path transmitted to the first wheel end is: reduction transmission assembly, first planetary reducer, first wheel end; the path transmitted to the second wheel end is: reduction transmission assembly, second planetary reducer, second wheel end. When driven by the first in-wheel motor and the second in-wheel motor, the power transmission path of the first in-wheel motor transmitted to the first wheel end is: first in-wheel motor, first planetary reducer, first wheel end; the power transmission path of the second in-wheel motor transmitted to the second wheel end is: second in-wheel motor, second planetary reducer, second wheel end. At the same time, the first in-wheel motor can also be transmitted along the following transmission path: first in-wheel motor, first planetary reducer, first differential gear chain, differential gear shaft; the second in-wheel motor can also be transmitted along the following transmission path: second in-wheel motor, second planetary reducer, second differential gear chain, differential gear shaft to achieve mechanical differential. In the embodiments of the present invention, the distributed drive of the dual in-wheel motors integrates the traditional energy drive, which can make the structure of the axle compact and the overall vehicle layout flexible. At the same time, the distributed drive motor adopts the principle of mechanical differential, which has the characteristics of reliable structure and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0020] Figure 1 It is a schematic diagram of the transmission relationship of the hybrid bridge assembly provided by the embodiment of the present invention;

[0021] Figure 2 It is a schematic diagram of the transmission relationship of components such as the first in-wheel motor, the first planetary reducer, and the first differential gear chain provided by the embodiment of the present invention;

[0022] Figure 3Schematic diagram of the transmission relationships among components such as the second hub motor, the second planetary reducer, and the second differential gear chain provided by the embodiments of the present invention.

[0023] Icon: 100 - Hybrid bridge assembly; 110 - Engine; 120 - Reduction transmission assembly; 121 - Gearbox; 122 - Transmission gear set; 123 - First half shaft; 124 - Second half shaft; 125 - First half shaft gear; 126 - Second half shaft gear; 130 - First hub motor; 140 - First planetary reducer; 141 - First sun gear; 142 - First planet gear; 143 - First ring gear; 144 - First planet carrier; 150 - First differential gear chain; 160 - Second hub motor; 170 - Second planetary reducer; 171 - Second sun gear; 172 - Second planet gear; 173 - Second ring gear; 174 - Second planet carrier; 180 - Second differential gear chain; 190 - Differential gear shaft. Detailed implementation manners

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are some, but not all, of the embodiments of the present invention. Usually, the components of the embodiments of the present invention described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed present invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts fall within the scope of protection of the present invention.

[0026] It should be noted that: Similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0027] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the present invention is usually placed when in use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive distinction and cannot be understood as indicating or implying relative importance.

[0028] In addition, terms such as "horizontal" and "vertical" do not require the components to be absolutely horizontal or hanging vertically, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0029] In the description of the present invention, it should also be noted that unless otherwise clearly specified and limited, the terms "arranged", "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Please refer to Figure 1 , an embodiment of the present invention provides a hybrid bridge assembly 100. The hybrid bridge assembly 100 integrates a hybrid drive solution of dual in-wheel motors and traditional energy drive, and has the characteristics of compact structure and flexible vehicle layout; at the same time, the distributed drive motors adopt a mechanical differential, and also have the characteristics of reliable structure and low cost.

[0031] In the embodiment of the present invention, the hybrid bridge assembly 100 includes an engine 110, a reduction transmission assembly 120, a first in-wheel motor 130, a first planetary reducer 140, a first differential gear chain 150, a second in-wheel motor 160, a second planetary reducer 170, a second differential gear chain 180, and a differential gear shaft 190. The engine 110 can be arranged between the first in-wheel motor 130 and the second in-wheel motor 160, and the first in-wheel motor 130 and the second in-wheel motor 160 can be arranged on the wheels at both wheel ends.

[0032] The engine 110 is in transmission connection with the reduction transmission assembly 120, the reduction transmission assembly 120 is respectively in transmission connection with the first planetary reducer 140 and the second planetary reducer 170, the first planetary reducer 140 is used for transmission connection with the first wheel end, the second planetary reducer 170 is used for transmission connection with the second wheel end, and the first wheel end and the second wheel end are opposite.

[0033] The first in-wheel motor 130 is in transmission connection with the first planetary reducer 140, the first differential gear chain 150 is in transmission connection with the first planetary reducer 140 and is in transmission connection with one end of the differential gear shaft 190; the second in-wheel motor 160 is in transmission connection with the second planetary reducer 170, the second differential gear chain 180 is in transmission connection with the second planetary reducer 170 and is in transmission connection with the other end of the differential gear shaft 190.

[0034] In an embodiment of the present invention, when the engine 110 is driving, the power transmission path is: the engine 110, the reduction drive assembly 120. The power is transmitted from the reduction drive assembly 120 to both wheel ends. Among them, the path transmitted to the first wheel end is: the reduction drive assembly 120, the first planetary reducer 140, the first wheel end; the path transmitted to the second wheel end is: the reduction drive assembly 120, the second planetary reducer 170, the second wheel end.

[0035] When the first in-wheel motor 130 and the second in-wheel motor 160 are driving, the power transmission path from the first in-wheel motor 130 to the first wheel end is: the first in-wheel motor 130, the first planetary reducer 140, the first wheel end; the power transmission path from the second in-wheel motor 160 to the second wheel end is: the second in-wheel motor 160, the second planetary reducer 170, the second wheel end.

[0036] It should be noted that the engine 110 and the motor can be driven separately or mixed and driven simultaneously. The embodiments of the present invention do not make special requirements on the type of drive.

[0037] At the same time, the power transmission path to the differential gear shaft 190. The transmission path of the first in-wheel motor 130 is: the first in-wheel motor 130, the first planetary reducer 140, the first differential gear chain 150, the differential gear shaft 190; the transmission path of the second in-wheel motor 160 is: the second in-wheel motor 160, the second planetary reducer 170, the second differential gear chain 180, the differential gear shaft 190.

[0038] That is to say, in the embodiment of the present invention, the distributed drive of the dual in-wheel motors integrates the traditional energy drive, which can make the structure of the axle compact and the vehicle layout flexible. At the same time, the distributed drive motor adopts the mechanical differential principle, which has the characteristics of reliable structure and low cost.

[0039] In an alternative embodiment, the above reduction drive assembly 120 may include a gearbox 121, a transmission gear set 122, a first half shaft 123 and a second half shaft 124. The engine 110 is in transmission connection with the gearbox 121, the transmission gear set 122 is in transmission connection with the gearbox 121, the first half shaft 123 and the second half shaft 124 are respectively in transmission connection with the transmission gear set 122, the first half shaft 123 is in transmission connection with the first planetary reducer 140, and the second half shaft 124 is in transmission connection with the second planetary reducer 170.

[0040] During transmission, the engine 110 transmits power to the transmission 121. After being transmitted through the transmission shaft of the transmission 121, the power is transmitted to the transmission gear set 122. The transmission gear set 122 may include a driving gear and a driven gear. The driven gear is in transmission connection with the transmission 121, and then transmits the power to the driving gear. Then, the driving gear transmits the power to the first half shaft 123 and the second half shaft 124 respectively. The first half shaft 123 and the second half shaft 124 are respectively in transmission connection with the first planetary reducer 140 and the second planetary reducer 170, so as to transmit the power to the first wheel side and the second wheel side.

[0041] Optionally, the above-mentioned reduction transmission assembly 120 may further include a first half shaft gear 125. The first half shaft gear 125 is in meshing transmission connection with the transmission gear set 122, and the first half shaft 123 is fixedly connected to the first half shaft gear 125; and / or, the reduction transmission assembly 120 further includes a second half shaft gear 126. The second half shaft gear 126 is in meshing transmission connection with the transmission gear set 122, and the second half shaft 124 is fixedly connected to the second half shaft gear 126.

[0042] It should be understood that the connection manner between the first half shaft gear 125 and the first half shaft 123 includes but is not limited to spline connection, welding, integral molding, etc. Similarly, the connection manner between the second half shaft gear 126 and the second half shaft 124 is not limited to spline connection, welding, integral molding, etc. In the embodiments of the present invention, the connection manner between the first half shaft gear 125 and the first half shaft 123, and the connection manner between the second half shaft gear 126 and the second half shaft 124 are not specifically limited.

[0043] Please refer to Figure 2 , in an alternative embodiment, the above-mentioned first planetary reducer 140 may include a first sun gear 141, a first planetary gear 142, a first ring gear 143 and a first planetary carrier 144. The first sun gear 141 is in transmission connection with the first hub motor 130. The number of the first planetary gears 142 includes a plurality, and all of them are in meshing transmission connection with the first sun gear 141 and the inner ring of the first ring gear 143. The first planetary carrier 144 is in transmission connection with the plurality of first planetary carriers 144. The first planetary carrier 144 is in transmission connection with the first half shaft 123 and is used for transmission connection with the first wheel side. The outer ring of the first ring gear 143 is in meshing transmission connection with the first differential gear chain 150.

[0044] In the embodiments of the present invention, the first ring gear 143 is floatingly arranged, that is, in addition to being in meshing transmission connection with the first planetary gear 142 and the first differential gear chain 150, the first ring gear 143 is not fixedly connected to components such as the axle housing. That is to say, the first ring gear 143 can rotate under certain working conditions (such as when the vehicle is turning).

[0045] Optionally, the first planet carrier 144 is drivingly connected to the first wheel side through the first outer half shaft. The first outer half shaft passes through the first in-wheel motor 130 and is coaxially arranged with the first half shaft 123.

[0046] Please refer to Figure 3 , in an alternative embodiment, the above-mentioned second planetary reducer 170 may include a second sun gear 171, second planet gears 172, a second ring gear 173 and a second planet carrier 174. The second sun gear 171 is drivingly connected to the second in-wheel motor 160. The number of the second planet gears 172 includes a plurality, and all of them are meshed and driven with the inner ring of the second sun gear 171 and the second ring gear 173. The second planet carrier 174 is drivingly connected to the plurality of second planet carriers 174. The second planet carrier 174 is drivingly connected to the second half shaft 124 and is used to be drivingly connected to the second wheel side. The outer ring of the second ring gear 173 is meshed and driven with the second differential gear chain 180.

[0047] In the embodiment of the present invention, the second ring gear 173 is floatingly arranged, that is, in addition to being meshed and driven with the second planet gears 172 and the second differential gear chain 180, the second ring gear 173 is not fixed to components such as the axle housing. That is to say, the second ring gear 173 can rotate under certain working conditions (such as when the vehicle is turning).

[0048] In the embodiment of the present invention, both the first ring gear 143 and the second ring gear 173 are floatingly arranged. When the vehicle is turning, due to the inconsistent wheel speeds on both sides, the rotation trends of the first ring gear 143 and the second ring gear 173 are different. The ring gear at the slower rotating end rotates in the opposite direction to the ring gear at the faster rotating end. Through the first differential gear chain 150 and the second differential gear chain 180, the rotation directions at both ends of the differential gear shaft 190 are the same, driving the differential gear shaft 190 to rotate, so as to achieve the purpose of differential.

[0049] Optionally, the second planet carrier 174 is drivingly connected to the second wheel side through the second outer half shaft. The second outer half shaft passes through the second in-wheel motor 160 and is coaxially arranged with the second half shaft 124.

[0050] Optionally, the first half shaft 123 and the second half shaft 124 are coaxially arranged and are both coaxially arranged with the first wheel side and the second wheel side.

[0051] In an alternative embodiment, the transmission stage numbers of the above-mentioned first differential gear chain 150 and the second differential gear chain 180 are equal or differ by an even number, so that the rotation directions transmitted from the first in-wheel motor 130 and the second in-wheel motor 160 to both ends of the differential gear shaft 190 are the same, realizing mechanical differential.

[0052] Optionally, the gears in the first differential gear chain 150 and the second differential gear chain 180 may both be cylindrical gear chains. Of course, it is not limited thereto, and other types of gears may also be used.

[0053] Optionally, the differential gear shaft 190 described above may be an integral shaft or a drive shaft.

[0054] In the embodiment of the present invention, the differential gear shaft 190 is located below the engine 110 and the reduction drive assembly 120, that is, both the first differential gear chain 150 and the second differential gear chain 180 are arranged downward; this facilitates the arrangement of components such as the gearbox 121, the transmission gear set 122, the first half shaft 123, and the second half shaft 124 in the differential drive assembly.

[0055] The present invention provides an automobile, including the hybrid bridge assembly 100 according to any one of the foregoing embodiments. The automobile includes, but is not limited to, new energy vehicles (such as electric vehicles, etc.), fuel vehicles, etc.

[0056] Please refer to Figures 1 to 3 , the hybrid bridge assembly 100 and the automobile provided by the embodiment of the present invention: The hybrid bridge assembly 100 can be driven independently or in combination by the engine 110 or the first in-wheel motor 130 and the second in-wheel motor 160. When driven by the engine 110, the power transmission path is: engine 110, reduction drive assembly 120. It is transmitted from the reduction drive assembly 120 to both wheel ends. Among them, the path transmitted to the first wheel end is: reduction drive assembly 120, first planetary reducer 140, first wheel end; the path transmitted to the second wheel end is: reduction drive assembly 120, second planetary reducer 170, second wheel end. When driven by the first in-wheel motor 130 and the second in-wheel motor 160, the power transmission path of the first in-wheel motor 130 transmitted to the first wheel end is: first in-wheel motor 130, first planetary reducer 140, first wheel end; the power transmission path of the second in-wheel motor 160 transmitted to the second wheel end is: second in-wheel motor 160, second planetary reducer 170, second wheel end. The first in-wheel motor 130 and the second in-wheel motor 160 can also achieve mechanical differential. Among them, the transmission path of the first in-wheel motor 130 is: first in-wheel motor 130, first planetary reducer 140, first differential gear chain 150, differential gear shaft 190; the transmission path of the second in-wheel motor 160 is: second in-wheel motor 160, second planetary reducer 170, second differential gear chain 180, differential gear shaft 190. In the embodiment of the present invention, the distributed drive of the dual in-wheel motors integrates the traditional energy drive, which can make the structure of the axle compact and the overall vehicle layout flexible. At the same time, the distributed drive motor adopts the principle of mechanical differential, which has the characteristics of reliable structure and low cost.

[0057] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A hybrid bridge assembly, characterized in that, It includes an engine (110), a speed reduction transmission assembly (120), a first in-wheel motor (130), a first planetary reducer (140), a first differential gear chain (150), a second in-wheel motor (160), a second planetary reducer (170), a second differential gear chain (180), and a differential gear shaft (190); The engine (110) is in transmission connection with the speed reduction transmission assembly (120). The speed reduction transmission assembly (120) is respectively in transmission connection with the first planetary reducer (140) and the second planetary reducer (170). The first planetary reducer (140) is used to be in transmission connection with a first wheel side, and the second planetary reducer (170) is used to be in transmission connection with a second wheel side. The first wheel side and the second wheel side are opposite to each other; The first in-wheel motor (130) is in transmission connection with the first planetary reducer (140). The first differential gear chain (150) is in transmission connection with the first planetary reducer (140) and is in transmission connection with one end of the differential gear shaft (190); The second in-wheel motor (160) is in transmission connection with the second planetary reducer (170). The second differential gear chain (180) is in transmission connection with the second planetary reducer (170) and is in transmission connection with the other end of the differential gear shaft (190); The speed reduction transmission assembly (120) includes a gearbox (121), a transmission gear set (122), a first half shaft (123), and a second half shaft (124). The engine (110) is in transmission connection with the gearbox (121). The transmission gear set (122) is in transmission connection with the gearbox (121). The first half shaft (123) and the second half shaft (124) are respectively in transmission connection with the transmission gear set (122). The first half shaft (123) is in transmission connection with the first planetary reducer (140), and the second half shaft (124) is in transmission connection with the second planetary reducer (170); The first planetary reducer (140) includes a first sun gear (141), a first planetary gear (142), a first ring gear (143), and a first planet carrier (144). The first sun gear (141) is in transmission connection with the first in-wheel motor (130). The number of the first planetary gears (142) includes a plurality, and all of them are in meshing transmission with the first sun gear (141) and the inner ring of the first ring gear (143). The first planet carrier (144) is in transmission connection with the plurality of the first planet carriers (144). The first planet carrier (144) is in transmission connection with the first half shaft (123) and is used to be in transmission connection with the first wheel side. The outer ring of the first ring gear (143) is in meshing transmission with the first differential gear chain (150). The gears in the first differential gear chain (150) are cylindrical gear chains.

2. The hybrid bridge assembly according to claim 1, wherein, The reduction drive assembly (120) further includes a first half shaft gear (125), the first half shaft gear (125) is in meshing transmission with the transmission gear set (122), and the first half shaft (123) is fixedly connected to the first half shaft gear (125); and / or, The reduction drive assembly (120) further includes a second half shaft gear (126), the second half shaft gear (126) is in meshing transmission with the transmission gear set (122), and the second half shaft (124) is fixedly connected to the second half shaft gear (126).

3. The hybrid bridge assembly according to claim 1, wherein, The first planet carrier (144) is in transmission connection with the first wheel side through a first outer half shaft, the first outer half shaft passes through the first hub motor (130), and is coaxially arranged with the first half shaft (123).

4. The hybrid bridge assembly according to claim 1, wherein The second planetary reducer (170) includes a second sun gear (171), second planetary gears (172), a second ring gear (173) and a second planet carrier (174), the second sun gear (171) is in transmission connection with the second hub motor (160), the number of the second planetary gears (172) includes a plurality, and all of them are in meshing transmission with the second sun gear (171) and the inner ring of the second ring gear (173), the second planet carrier (174) is in transmission connection with the plurality of second planet carriers (174), the second planet carrier (174) is in transmission connection with the second half shaft (124), and is used for being in transmission connection with the second wheel side, and the outer ring of the second ring gear (173) is in meshing transmission with the second differential gear chain (180).

5. The hybrid bridge assembly according to claim 4, wherein, The second planet carrier (174) is in transmission connection with the second wheel side through a second outer half shaft, the second outer half shaft passes through the second hub motor (160), and is coaxially arranged with the second half shaft (124).

6. The hybrid bridge assembly according to claim 1, characterized in that, The first half shaft (123) and the second half shaft (124) are coaxially arranged, and are both coaxially arranged with the first wheel side and the second wheel side.

7. The hybrid bridge assembly according to any one of claims 1-6, characterized in that, The transmission stage number of the first differential gear chain (150) is equal to or differs by an even number from that of the second differential gear chain (180).

8. A vehicle, characterized in that, Including the hybrid bridge assembly (100) according to any one of claims 1-7.

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