CN115823234A

CN115823234A - Hybrid transmission assembly and vehicle with same

Info

Publication number: CN115823234A
Application number: CN202211538488.4A
Authority: CN
Inventors: 张�成; 刘彦超; 刘君祺; 白秀超; 付超
Original assignee: FAW Group Corp
Current assignee: FAW Group Corp
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-03-21
Also published as: WO2024113648A1

Abstract

The invention provides a hybrid transmission assembly and a vehicle with the same, wherein the hybrid transmission assembly comprises: the engine input shaft assembly comprises a transmission shell, wherein a bearing chamber of the engine input shaft is arranged on the inner surface of the transmission shell, a first oil guide groove is formed in the side wall of the bearing chamber of the engine input shaft, and the engine input shaft assembly is arranged in the bearing chamber of the engine input shaft; the first oil guide groove is connected with the groove wall of the first oil guide groove, and the first oil guide groove is located above the first oil guide groove. This application is provided with first oil groove and the engine input shaft assembly of leading at the lateral wall of the bearing room of engine input shaft to lead oil groove and the first groove connection of leading the oil groove with first components of a whole that can function independently, make first components of a whole that can function independently lead the oil groove and be used for collecting the oil body that the gear of engine input shaft assembly threw away, lubricate the bearing of engine input shaft assembly through first oil groove of leading. The bearing of the engine input shaft assembly is effectively lubricated and cooled, so that the abrasion is reduced, and the service life and the reliability of the bearing are improved.

Description

Hybrid transmission assembly and vehicle with same

Technical Field

The invention relates to the technical field of vehicles, in particular to a hybrid transmission assembly and a vehicle with the same.

Background

New energy automobiles including pure electricity and hybrid motion are the mainstream of the development of the current automobile industry, and various automobile manufacturers are in a close-on arrangement. Compared with a fuel vehicle, the new energy vehicle has the outstanding advantages of energy conservation, environmental protection and use cost, and requires more compact layout and higher transmission efficiency for a power system. The bearings inside the transmission for supporting the shafting to rotate at high speed, if not well supported by the lubrication system, will greatly reduce the service life and cause complaints of users. The major lubrication methods used in the market are splash lubrication and active lubrication.

The splash lubrication has the disadvantages that compared with a speed reducer, the mixed-action speed changer has more shafting, and oil hardly reaches all gears and bearings needing lubrication, particularly the shafting arranged at the upper part of the speed changer, so that the complexity of a shell lubrication structure and the manufacturing cost are greatly increased.

The active lubrication mainly comprises a mechanical pump and an electronic pump, the quantity of lubricating oil of the mechanical pump is related to the rotating speed of the gear, and the rotating speed of the gear is low at low speed, so that the poor lubrication effect of the bearing is easily caused; the electronic pump increases the cost of the whole vehicle, consumes energy of a battery, increases the energy consumption of the whole vehicle and reduces the driving range of the vehicle.

Disclosure of Invention

The invention mainly aims to provide a hybrid transmission assembly and a vehicle with the same, and aims to solve the problem of poor bearing lubrication effect in the prior art.

To achieve the above object, according to one aspect of the present invention, there is provided a hybrid transmission assembly including: the engine input shaft assembly comprises a transmission shell, wherein a bearing chamber of the engine input shaft is arranged on the inner surface of the transmission shell, a first oil guide groove is formed in the side wall of the bearing chamber of the engine input shaft, and the engine input shaft assembly is arranged in the bearing chamber of the engine input shaft; the oil groove is led to first components, and the oil groove is led to first components and is connected with the cell wall of first oil groove of leading, and first components leads the oil groove and is located the top of first oil groove of leading, and the oil groove is led to first components and first oil groove intercommunication of leading, and the oil groove is led to first components and is used for collecting the oil body that the gear of engine input shaft assembly threw away to lead the oil groove through first and lubricate the bearing of engine input shaft assembly.

Furthermore, at least one side wall of the first oil guide groove and the plane where the bottom of the first oil guide groove is arranged form an obtuse angle.

Further, the internal surface of transmission housing is provided with the bearing room of driving motor jackshaft, the bearing room of driving motor jackshaft is provided with the second and leads the oil groove, be provided with driving motor jackshaft assembly in the bearing room of driving motor jackshaft, transmission housing still is provided with the second and leads the oil groove, the second is divided and is led the oil groove and be connected with the cell wall of second and lead the oil groove, the second is divided and is led the oil groove and lead the oil groove with the second and set up with communicateing, the oil groove is led to the second and is used for collecting the oil body that the gear of driving motor jackshaft assembly thrown away to lead the oil groove through the second and lubricate the bearing of driving motor jackshaft assembly.

Further, at least one of the first and second oil guide grooves is a plastic part.

Further, the two adjacent side walls of the first oil guide groove are excessive through the cambered surface, and the two adjacent side walls of the second oil guide groove are excessive through the cambered surface.

Furtherly, the oil groove is led to the second includes the oil section of leading that extends along the bearing room radial direction of driving motor jackshaft, is provided with the first oily muscle of leading on gearbox housing's the lateral wall, and the first oily muscle of leading extends the setting along vertical direction, and the first oily muscle of leading is located the outside of leading the oil section, and the first oily muscle of leading is used for lubricating the oil body water conservancy diversion to leading in the oil section to the bearing to driving motor jackshaft assembly lubricates.

Further, the height of the sidewall of at least one of the first and second segment oil guide grooves is differently set.

Furthermore, the inner surface of the transmission shell is provided with a bearing chamber of the generator output shaft, a bearing chamber of the driving motor input shaft, a differential installation cavity and a bearing chamber of the engine intermediate shaft, wherein the bearing chamber of the generator output shaft is arranged adjacent to the bearing chamber of the engine input shaft, the bearing chamber of the engine input shaft is arranged adjacent to the bearing chamber of the engine intermediate shaft, the bearing chamber of the driving motor input shaft is arranged adjacent to the bearing chamber of the engine input shaft and the bearing chamber of the driving motor intermediate shaft, the differential installation cavity is positioned between the bearing chamber of the engine intermediate shaft and the bearing chamber of the driving motor intermediate shaft, a third oil guide groove is arranged on the side wall of the bearing chamber of the generator output shaft, a fourth oil guide groove is arranged on the side wall of the bearing chamber of the driving motor input shaft, the differential installation cavity is provided with a first oil guide structure, the bearing chamber of the engine intermediate shaft is provided with a second oil guide structure, and oil guide pipes are arranged in the third oil guide groove and the fourth oil guide groove.

Further, the first oil guiding structure comprises a second oil guiding rib, a third oil guiding rib, a fourth oil guiding rib and an oil guiding rib groove, the second oil guiding rib is located between a bearing chamber of the driving motor intermediate shaft and a side wall of the transmission housing, the second oil guiding rib is arranged along the axial extension of the bearing chamber of the driving motor intermediate shaft, the first end of the third oil guiding rib is connected with the second oil guiding rib, the second end of the second oil guiding rib extends to the side wall of the differential mounting cavity, the fourth oil guiding rib and the third oil guiding rib are arranged at a distance, a first groove structure is formed between the first end of the fourth oil guiding rib and the third oil guiding rib, the first groove structure is used for enabling an oil supply body to flow into the differential mounting cavity, the second end of the fourth oil guiding rib extends along the circumferential direction of the transmission housing, and the fourth oil guiding rib and the side wall of the transmission housing are surrounded to form the oil guiding rib groove.

Further, the middle part of gearbox housing is provided with the erection column, the oil structure is led to the second includes that the oil muscle is led to the fifth and the oil groove is led to the fifth, the oil groove is led to the fifth and is seted up on the lateral wall of the bearing room of engine jackshaft, the first end and the erection column of oil muscle are led to the fifth are connected, the second end that the oil muscle is led to the fifth is led the notch of oil groove and is connected to oil body in the gearbox housing leads to the fifth to lead in the oil groove, the first end that the oil muscle is led to the fifth highly sets up gradually reducing to the second end that the oil muscle is led to the fifth to lead in the fifth.

Further, the hybrid transmission assembly further comprises an oil guide block, wherein the oil guide block is located between a bearing chamber of the engine intermediate shaft and a side wall of the transmission shell, a hollow groove is formed in the surface of the oil guide block, facing the side of the transmission shell installation surface, and a plurality of reinforcing ribs and at least one screw column are arranged in the hollow groove.

According to another aspect of the present invention, there is provided a vehicle including a hybrid transmission assembly as described above.

By applying the technical scheme of the invention, the first oil guide groove and the engine input shaft assembly are arranged on the side wall of the bearing chamber of the engine input shaft, and the first split oil guide groove is connected with the groove wall of the first oil guide groove, so that the first split oil guide groove is used for collecting oil bodies thrown out by the gear of the engine input shaft assembly, and the bearing of the engine input shaft assembly is lubricated through the first oil guide groove. The bearing of the engine input shaft assembly is effectively lubricated and cooled, so that the abrasion is reduced, and the service life and the reliability of the bearing are improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a diagrammatic illustration of a first embodiment of a hybrid transmission assembly in accordance with the present invention;

FIG. 2 is a diagrammatic illustration of a second embodiment of a hybrid transmission assembly according to the present invention;

FIG. 3 is a diagrammatic illustration of a third embodiment of a hybrid transmission assembly according to the present invention;

fig. 4 shows a schematic structural diagram of a first embodiment of an oil deflector according to the invention.

Wherein the figures include the following reference numerals:

10. a housing; 101. a bearing chamber of the generator output shaft; 102. a bearing chamber of an engine input shaft; 103. a bearing chamber of the drive motor input shaft; 104. a bearing chamber of the driving motor intermediate shaft; 105. a differential mounting cavity; 106. a bearing chamber of an engine intermediate shaft; 20. mounting a column;

1. an oil guide pipe of the output shaft of the generator; 2. the drive motor input shaft oil guide pipe; 3. a first split oil guide groove; 4. a second split oil guide groove; 5. an oil guide block; 51. reinforcing ribs; 52. a screw post;

A. a drive motor input shaft assembly; B. a drive motor intermediate shaft assembly; C. a differential assembly; D. an engine intermediate shaft assembly; E. an engine input shaft assembly; F. a generator output shaft assembly; a1, driving a motor input shaft bearing; b1, driving a motor intermediate shaft bearing; c1, a differential bearing; d1, an engine intermediate shaft bearing; e1, an engine input shaft bearing; f1, a generator output shaft bearing;

001. a third oil guide groove; 002. a first oil guide groove; 003. a fourth oil guide groove; 004. a second oil guide groove; 0041. a first oil guiding rib; 0042. an oil guiding section; 005. a first oil guiding structure; 0051. a second oil guiding rib; 0052. a third oil guiding rib; 0053. a fourth oil guiding rib; 0054. an oil guide rib groove; 006. a second oil guide structure; 0061. a fifth oil guiding rib; 0062. and a fifth oil guide groove.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

In accordance with a particular embodiment of the present application, a hybrid transmission assembly is provided as illustrated in conjunction with fig. 1-4.

Specifically, a hybrid transmission assembly includes: the transmission comprises a transmission shell 10, wherein the inner surface of the transmission shell 10 is provided with a bearing chamber 102 of an engine input shaft, the side wall of the bearing chamber 102 of the engine input shaft is provided with a first oil guide groove 002, and an engine input shaft assembly E is arranged in the bearing chamber 102 of the engine input shaft; oil groove 3 is led to first components, and oil groove 3 is led to first components is connected with the cell wall of first oil groove 002, and first components leads oil groove 3 to be located the first top of leading oil groove 002, and oil groove 3 is led to first components and first oil groove 002 intercommunication, and oil groove 3 is led to first components is used for collecting the oil body that engine input shaft assembly E's gear was thrown away to lubricate engine input shaft assembly E's bearing E1 through first oil groove 002.

In this embodiment, as shown in fig. 1, a first oil guide groove and an engine input shaft assembly are disposed on a side wall of a bearing chamber of an engine input shaft, and the first oil guide groove is connected to a groove wall of the first oil guide groove, so that the first oil guide groove is used for collecting oil thrown out by a gear of the engine input shaft assembly, so as to lubricate a bearing of the engine input shaft assembly through the first oil guide groove. The bearing of the engine input shaft assembly is effectively lubricated and cooled, so that the abrasion is reduced, and the service life and the reliability of the bearing are improved.

Further, at least one side wall of the first oil guide groove 3 and the plane where the bottom of the first oil guide groove 3 is arranged at an obtuse angle. Be provided with like this and be convenient for lubricated liquid and lead the bottom that oil groove 3 was led to first components of a whole that can function independently through first components of a whole that can function independently 3 inflow, effectually prevent that lubricating oil from blockking up with circulate unsmoothly.

As shown in fig. 2, the inner surface of the transmission housing 10 is provided with a bearing chamber 104 of the driving motor intermediate shaft, the bearing chamber 104 of the driving motor intermediate shaft is provided with a second oil guide groove 004, a driving motor intermediate shaft assembly B is provided in the bearing chamber 104 of the driving motor intermediate shaft, the transmission housing 10 is further provided with a second oil guide groove 4, the second oil guide groove 4 is connected with a groove wall of the second oil guide groove 004, the second oil guide groove 4 is communicated with the second oil guide groove 004, and the second oil guide groove 4 is used for collecting oil thrown out by a gear of the driving motor intermediate shaft assembly B, so as to lubricate a bearing B1 of the driving motor intermediate shaft assembly B through the second oil guide groove 004. The bearing has the advantages that the splashing oil and the actively lubricated oil can be introduced into a part of bearing rotating at a high speed, so that the lubricating effect is improved, and the failure risk is reduced.

Further, at least one of the first and second

oil guiding grooves

3 and 4 is a plastic member. In this embodiment, first components of a whole that divides lead oil groove 3 and second components of a whole that lead oil groove 4 are the working of plastics, and plasticity is good, reduces complete machine weight, promotes fuel economy.

Specifically, two adjacent side walls of the first oil guide groove 002 are excessive through an arc surface, and two adjacent side walls of the second oil guide groove 004 are excessive through an arc surface. The side wall is provided with a chamfer convenient for part installation, the machining cost is reduced, and the cambered surface is formed by casting.

Further, the oil groove 004 is led including leading oil section 0042 that extends along the bearing room 104 radial direction of driving motor jackshaft to the second, be provided with the first oily muscle 0041 of leading on the lateral wall of derailleur casing 10, the first oily muscle 0041 of leading extends the setting along vertical direction, and the first oily muscle 0041 of leading is located the outside of leading oil section 0042, the first oily muscle 0041 of leading is used for leading the oil body water conservancy diversion to leading in the oil section 0042 to lubricate driving motor jackshaft assembly B's bearing B1. The arrangement of the first oil guiding rib can lead splashed lubricating oil into the oil guiding section 0042, so that lubrication of the drive bearing B1 is enhanced. The first oil guiding rib 0041 can introduce the lubricating oil splashed by the movement of the differential assembly C into the oil guiding section 0042, so that the lubrication of the intermediate shaft bearing B1 of the driving motor is enhanced.

Further, the height of the sidewall of at least one of the first and second segment

oil guide grooves

3 and 4 is differently set. In this embodiment, oil groove 3 is led to first components of a whole that can function independently and oil groove 4 is led to second components of a whole that can function independently, and there is the contained angle side and level, and there is the difference in height both sides, is convenient for still can collect the lubricating oil that splashes to the bearing frame that corresponds under abominable operating mode and big inclination, prevents that the bearing from damaging.

In another embodiment of the present application, the inner surface of the transmission housing 10 is provided with a bearing chamber 101 of the generator output shaft, a bearing chamber 103 of the driving motor input shaft, a differential mounting chamber 105, and a bearing chamber 106 of the engine intermediate shaft, the bearing chamber 101 of the generator output shaft is disposed adjacent to the bearing chamber 102 of the engine input shaft, the bearing chamber 102 of the engine input shaft is disposed adjacent to the bearing chamber 106 of the engine intermediate shaft, the bearing chamber 103 of the driving motor input shaft is disposed adjacent to the bearing chamber 102 of the engine input shaft and the bearing chamber 104 of the driving motor intermediate shaft, the differential mounting chamber 105 is located between the bearing chamber 106 of the engine intermediate shaft and the bearing chamber 104 of the driving motor intermediate shaft, a third oil guide groove is disposed on a side wall of the bearing chamber 101 of the generator output shaft, a fourth oil guide groove 003 is disposed on a side wall of the bearing chamber 103 of the driving motor input shaft, the differential mounting chamber 105 is provided with a first oil guide structure 005, and the bearing chamber 106 of the engine intermediate shaft is provided with a second oil guide structure 006, wherein oil guide pipes are disposed in the third oil guide groove 001 and the fourth oil guide groove 003. The arrangement can ensure that the oil splashed by the rotation of the gear is concentrated on the bearing needing lubrication, so that the lubrication effect is improved, and the failure risk is reduced.

As shown in fig. 3, the first oil guiding structure 005 includes a second oil guiding rib 0051, a third oil guiding rib 0052, a fourth oil guiding rib 0053 and an oil guiding rib groove 0054, the second oil guiding rib 0051 is located between the bearing chamber 104 of the driving motor intermediate shaft and the side wall of the transmission case 10, the second oil guiding rib 0051 is disposed along the axial extension of the bearing chamber 104 of the driving motor intermediate shaft, a first end of the third oil guiding rib 0052 is connected with the second oil guiding rib 0051, a second end of the second oil guiding rib 0051 extends to the side wall of the differential mounting cavity 105, the fourth oil guiding rib 0053 and the third oil guiding rib 0052 are disposed with a distance, a first groove structure is formed between the first end of the fourth oil guiding rib 0053 and the third oil guiding rib 0052, the first groove structure is used for an oil to flow into the differential mounting cavity 105, the second end of the fourth oil guiding rib 0053 is disposed along the circumferential extension of the transmission case 10, and the oil guiding rib 0054 is disposed between the fourth oil guiding rib 0053 and the side wall of the transmission case 10. In this embodiment, the first oil guiding structure 005 includes a second oil guiding rib 0051, a third oil guiding rib 0052, a fourth oil guiding rib 0053, and an oil guiding rib groove 0054. The height of the third oil guiding rib 0052 should not be too high, so as to prevent the oil splashed completely from being blocked and affecting the lubrication of other bearings. Set up like this for lubricating oil can lubricate for differential mechanism bearing C1, the effectual life who improves differential mechanism.

Further, the middle part of the transmission housing 10 is provided with a mounting column 20, the second oil guiding structure 006 comprises a fifth oil guiding rib 0061 and a fifth oil guiding groove 0062, the fifth oil guiding groove 0062 is arranged on the side wall of the bearing chamber 106 of the engine intermediate shaft, the first end of the fifth oil guiding rib 0061 is connected with the mounting column 20, the second end of the fifth oil guiding rib 0061 is connected with the notch of the fifth oil guiding groove 0062, so that the oil body in the transmission housing 10 is led to the fifth oil guiding groove 0062, and the height from the first end of the fifth oil guiding rib 0061 to the second end of the fifth oil guiding rib 0061 is gradually reduced. In this embodiment, the fifth oil guiding rib 0061 gradually reduces the height along with the shape, reduces the weight, and prevents the local wall thickness from being too thick.

As shown in fig. 4, the hybrid transmission assembly further includes an oil guide block 5, the oil guide block 5 is located between the bearing chamber 106 of the engine intermediate shaft and the side wall of the transmission housing 10, wherein a surface of the oil guide block 5 facing the side of the transmission housing 10 where the transmission housing 10 is installed is provided with a hollow groove, and the hollow groove is provided with a plurality of reinforcing ribs 51 and at least one screw post 52. In this embodiment, the two interference of strengthening rib 51 and screw post 52 is connected and fixes on the casing through the bolt-up, reduces and stirs the oil loss, raises the efficiency. The inner cavity of the oil guide block 5 is of a hollow structure, so that the weight is reduced, and the strength is enhanced through the reinforcing ribs 51.

In another embodiment of the present application, the generator output shaft oil conduit 1 and the driving motor input shaft oil conduit 2 are made of steel pipe materials, and are limited by the third oil guide groove 001 and the fourth oil guide groove 003 on the housing, and are in clearance fit with the housing in the radial direction and the axial direction. In order to avoid damaging the generator output shaft oil guide pipe 1 and the driving motor input shaft oil guide pipe 2, the axial clearance between the shell and the generator output shaft oil guide pipe 1 and the driving motor input shaft oil guide pipe 2 is at least 2mm. The third oil guide groove 001 and the shell driving fourth oil guide groove 003 are respectively as high as the bearing seat of the generator output shaft bearing F1 and the bearing seat of the driving motor input shaft bearing A1. In addition, for the convenience of installation and prevention of damage to the oil pipe, the inner walls of the third oil guide groove 001 and the fourth oil guide groove 003 are chamfered. And the engine intermediate shaft assembly D comprises an engine intermediate shaft bearing D1, the engine input shaft assembly E comprises an engine input shaft bearing E1, the generator output shaft assembly F comprises a generator output shaft bearing F1, and the bearings are fixed in a bearing seat of the shell and are in interference fit with each other.

In another embodiment of the present application, there is also provided a vehicle including the hybrid transmission assembly of the above embodiment.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition to the foregoing, it should be appreciated that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A hybrid transmission assembly, comprising:

the transmission comprises a transmission shell (10), wherein a bearing chamber (102) of an engine input shaft is arranged on the inner surface of the transmission shell (10), a first oil guide groove (002) is arranged on the side wall of the bearing chamber (102) of the engine input shaft, and an engine input shaft assembly (E) is arranged in the bearing chamber (102) of the engine input shaft;

oil groove (3) are led to first branch body, first branch body lead oil groove (3) with first cell wall of leading oil groove (002) is connected, just oil groove (3) are located to first branch body lead the top of leading oil groove (002), first branch body lead oil groove (3) with first oil groove (002) intercommunication of leading, first branch body lead oil groove (3) are used for collecting the oil body that the gear of engine input shaft assembly (E) was thrown away, in order to pass through first oil groove (002) of leading is right the bearing (E1) of engine input shaft assembly (E) are lubricated.

2. Hybrid transmission assembly according to claim 1, characterized in that at least one side wall of the first oil-guiding channel (3) is arranged at an obtuse angle to the plane in which the bottom of the first oil-guiding channel (3) lies.

3. Hybrid transmission assembly according to claim 1 or 2, characterized in that the inner surface of the transmission housing (10) is provided with a bearing chamber (104) of a drive motor intermediate shaft, the bearing chamber (104) of the drive motor intermediate shaft is provided with a second oil guiding groove (004), the bearing chamber (104) of the drive motor intermediate shaft is provided with a drive motor intermediate shaft assembly (B), the transmission housing (10) is further provided with a second separate oil guiding groove (4), the second separate oil guiding groove (4) is connected with a groove wall of the second oil guiding groove (004), the second separate oil guiding groove (4) is provided in communication with the second oil guiding groove (004), the second separate oil guiding groove (4) is used for collecting oil thrown out by gears of the drive motor intermediate shaft assembly (B) for lubricating the bearing (B1) of the drive motor intermediate shaft assembly (B) through the second oil guiding groove (004).

4. Hybrid transmission assembly according to claim 3, characterized in that at least one of said first and second oil-guiding grooves (3, 4) is a plastic piece.

5. Hybrid transmission assembly according to claim 3, characterized in that the adjacent two lateral walls of the first oil-guiding groove (002) are over-cambered and/or the adjacent two lateral walls of the second oil-guiding groove (004) are over-cambered.

6. The hybrid transmission assembly according to claim 3, wherein the second oil guiding groove (004) includes an oil guiding section (0042) extending in a radial direction of a bearing housing (104) of the drive motor countershaft, a first oil guiding rib (0041) is provided on a side wall of the transmission case (10), the first oil guiding rib (0041) extends in a vertical direction, and the first oil guiding rib (0041) is located outside the oil guiding section (0042), the first oil guiding rib (0041) is used to guide an oil body into the oil guiding section (0042) to lubricate a bearing (B1) of the drive motor countershaft assembly (B).

7. Hybrid transmission assembly according to claim 3, characterized in that the height of the side wall of at least one of the first and second oil-guide grooves (3, 4) is set differently.

8. Hybrid transmission assembly according to claim 6, characterized in that the inner surface of the transmission housing (10) is provided with a bearing chamber (101) of the generator output shaft, a bearing chamber (103) of the drive motor input shaft, a differential mounting cavity (105), a bearing chamber (106) of the engine intermediate shaft, the bearing chamber (101) of the generator output shaft is arranged adjacent to the bearing chamber (102) of the engine input shaft, the bearing chamber (102) of the engine input shaft is arranged adjacent to the bearing chamber (106) of the engine intermediate shaft, the bearing chamber (103) of the drive motor input shaft is arranged adjacent to the bearing chamber (102) of the engine input shaft and the bearing chamber (104) of the drive motor intermediate shaft, the differential mounting cavity (105) is located between a bearing chamber (106) of the engine intermediate shaft and a bearing chamber (104) of the drive motor intermediate shaft, a third oil guide groove (001) is arranged on the side wall of the bearing chamber (101) of the output shaft of the generator, a fourth oil guide groove (003) is arranged on the side wall of a bearing chamber (103) of the input shaft of the driving motor, the differential installation cavity (105) is provided with a first oil guide structure (005), the bearing chamber (106) of the engine intermediate shaft is provided with a second oil guide structure (006), and oil guide pipes are arranged in the third oil guide groove (001) and the fourth oil guide groove (003).

9. A hybrid transmission assembly according to claim 8, characterized in that the first oil guiding structure (005) comprises a second oil guiding rib (0051), a third oil guiding rib (0052), a fourth oil guiding rib (0053) and an oil guiding groove (0054), the second oil guiding rib (0051) being located between a bearing chamber (104) of the drive motor intermediate shaft and a side wall of the transmission housing (10), the second oil guiding rib (0051) being arranged along an axial extension of the bearing chamber (104) of the drive motor intermediate shaft, a first end of the third oil guiding rib (0052) being connected with the second oil guiding rib (0051), a second end of the second oil guiding rib (0051) extending to a side wall of the differential mounting cavity (105), the fourth oil guiding rib (0053) being arranged at a distance from the third oil guiding rib (0052), a first end of the fourth oil guiding rib (0053) being arranged between the first end of the fourth oil guiding rib (0053) and the third oil guiding rib (0052), and an oil guiding groove (0054) being arranged along a circumferential extension of the first oil guiding rib (0053) and a circumferential groove (10) for the oil guiding groove (10).

10. The hybrid transmission assembly according to claim 8, wherein a mounting column (20) is disposed in a middle portion of the transmission case (10), the second oil guiding structure (006) includes a fifth oil guiding rib (0061) and a fifth oil guiding groove (0062), the fifth oil guiding groove (0062) is opened on a side wall of the bearing chamber (106) of the engine intermediate shaft, a first end of the fifth oil guiding rib (0061) is connected with the mounting column (20), a second end of the fifth oil guiding rib (0061) is connected with a notch of the fifth oil guiding groove (0062) so as to cause oil bodies in the transmission case (10) to be in the fifth oil guiding groove (0062), and a height from the first end of the fifth oil guiding rib (0061) to the second end of the fifth oil guiding rib (0061) is gradually reduced.

11. Hybrid transmission assembly according to claim 8, characterized in that it further comprises an oil-guiding block (5), said oil-guiding block (5) being located between a bearing chamber (106) of the engine countershaft and a side wall of the transmission housing (10), wherein a surface of the oil-guiding block (5) facing the side of the transmission housing (10) mounting surface is provided with a hollowed-out groove in which a plurality of reinforcing ribs (51) and at least one screw stud (52) are provided.

12. A vehicle comprising a hybrid transmission assembly, characterized in that the hybrid transmission assembly is as claimed in any one of claims 1 to 11.