CN218021196U

CN218021196U - Power assembly mounting structure and vehicle

Info

Publication number: CN218021196U
Application number: CN202222392438.1U
Authority: CN
Inventors: 岳志强
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2022-12-13
Anticipated expiration: 2032-09-08

Abstract

The utility model discloses a power assembly's mounting structure and vehicle, power assembly's mounting structure includes: the main mounting plate is provided with a power assembly mounting part; a plurality of fixed plates, it is a plurality of the fixed plate connect respectively in on the edge of main mounting panel and relative the main mounting panel is buckled the setting downwards, and is a plurality of the fixed plate with be formed with towards the open-ended reinforcing chamber downwards between the main mounting panel, at least one the fixed plate with junction between the main mounting panel is provided with the strengthening rib. So, through setting up a plurality of fixed plates and strengthening rib, can effectively improve mounting structure structural strength and installation stability on the frame, utilize to strengthen the big characteristics of chamber structural strength moreover and can further improve mounting structure's structural strength to can reduce the power assembly and pass through the vibration noise that mounting structure transmitted to the frame, can promote the travelling comfort of vehicle.

Description

Power assembly's mounting structure and vehicle

Technical Field

The utility model belongs to the technical field of the car and specifically relates to a mounting structure and vehicle of power assembly are related to.

Background

With the increasing competition of automobile market, the demand of users on the performance of vehicles is continuously improved, and how to improve the comfort of vehicles becomes one of the research and development focuses of various vehicle enterprises. Vehicle noise vibration performance is one of important indices of riding comfort. Vibration generated by the power assembly is transmitted to the frame through the mounting point, and then transmitted to the vehicle body to generate Vibration Noise, and how to reduce the Vibration Noise transmitted by the power assembly to the whole vehicle is an important item for controlling NVH (Noise, vibration, harshness-Noise, vibration and Harshness).

In the related art, the strength of the installation point of the power assembly is weak, which further results in a weak structure of the installation position, so that vibration energy generated when the power assembly operates can be transmitted to the inside of the vehicle through the position, causing vibration in the vehicle and generating noise, resulting in poor riding comfort of the vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a power assembly's mounting structure, this mounting structure can effectively attenuate power assembly vibration noise transfer energy, reaches and reduces the interior vibration noise purpose of car.

The utility model discloses a vehicle is further proposed.

According to the utility model discloses power assembly's mounting structure of first aspect embodiment, include: the main mounting plate is provided with a power assembly mounting part; a plurality of fixed plates, it is a plurality of the fixed plate connect respectively in on the edge of main mounting panel and relative main mounting panel is buckled the setting downwards, and is a plurality of the fixed plate with be formed with towards the open-ended chamber of strengthening downwards between the main mounting panel, at least one the fixed plate with junction between the main mounting panel is provided with the strengthening rib.

From this, through setting up a plurality of fixed plates and strengthening rib, can effectively improve mounting structure structural strength and installation stability on the frame, utilize to strengthen the big characteristics of chamber structural strength moreover and can further improve mounting structure's structural strength to can reduce the power assembly and pass through the vibration noise that mounting structure transmitted to the frame, can promote the travelling comfort of vehicle.

According to some embodiments of the invention, the reinforcing rib is a convex rib or a concave rib.

According to some embodiments of the present invention, the reinforcing ribs are disposed at the joints between the plurality of fixing plates and the main mounting plate; a plurality of the fixing plates include: preceding fixed plate, after-fixing board, left fixed plate and right fixed plate, preceding fixed plate with the main mounting panel junction the strengthening rib with the after-fixing board with the main mounting panel junction the position and/or the quantity of strengthening rib are different, a left side fixed plate with the main mounting panel junction the strengthening rib with the right fixed plate with the main mounting panel junction the position and/or the quantity of strengthening rib are different.

According to some embodiments of the invention, a plurality of the fixing plates comprise at least: the edge of the left fixing plate is provided with a first arched bending part, and/or the edge of the right fixing plate is provided with a second arched bending part.

According to the utility model discloses a some embodiments, the power assembly installation department is the power assembly mounting hole, the power assembly mounting hole includes at least: the power assembly mounting structure comprises a first power assembly mounting hole and four second power assembly mounting holes which are different in shape, the centers of the four second power assembly mounting holes are sequentially connected to form a rectangle, and the first power assembly mounting hole is located in the center of the rectangle.

According to the utility model discloses vehicle of second aspect embodiment includes: the frame comprises longitudinal beams and a cross beam, and the cross beam is connected between the longitudinal beams; in the mounting structure of the power assembly, the fixed plates are fixedly connected with the cross beam, and the cross beam covers the opening of the reinforcing cavity.

According to some embodiments of the invention, the middle part of the cross beam is a first arch structure protruding towards the front or the rear.

According to some embodiments of the invention, the left side of the first arch-shaped structure is provided with a first arch-shaped pit structure and a second arch-shaped pit structure, the first arch-shaped pit structure and the second arch-shaped pit structure are communicated; and/or a third arched pit structure is arranged on the right side of the first arched structure.

According to some embodiments of the utility model, the left side of first domes is provided with big lightening hole in a left side and little lightening hole in a left side and the right side is provided with big lightening hole in a right side and little lightening hole in a right side, big lightening hole in a left side with the relative position and/or the quantity in big lightening hole in a right side are different, little lightening hole in a left side with the relative position and/or the quantity in little lightening hole in a right side are different.

According to some embodiments of the invention, the beam comprises: the left end of the middle beam section is fixedly connected with the left beam section through a fastening piece, the right end of the middle beam section is fixedly connected with the right beam section through a fastening piece, and the front end face and the rear end face of the middle beam section are selectively replaced; and/or the left beam section and the right beam section both comprise: first installation section and second installation section, the second installation section is located first installation section is close to one side of well roof beam section, first installation section with longeron welded connection, the second installation section with well roof beam section fixed connection, the cross-section of first installation section is downward convex arch, the cross-section of second installation section is triangle-shaped.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a partial schematic structural view of a vehicle frame according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a mounting structure of a power assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a cross beam according to an embodiment of the present invention;

fig. 4 is a partial structural schematic diagram of a vehicle frame according to an embodiment of the present invention.

Reference numerals are as follows:

10. a front fixing plate; 11. a left fixing plate; 12. a right fixing plate; 13. a first arched bent portion; 14. a mounting structure; 15. a rear fixing plate; 16. a first power assembly mounting hole; 17. a second power assembly mounting hole; 18. reinforcing ribs; 19. a second arched bent portion; 20. a reinforcement cavity;

30. a first arcuate dimple structure; 31. a second arcuate dimple structure; 32. a third arch-shaped pit structure; 33. a right large lightening hole; 34. a small right lightening hole; 35. a left large lightening hole; 36. a small left lightening hole;

40. a main mounting plate; 41. a fixing plate; 42. a bolt; 43. a left beam section; 44. a middle beam section; 45. a first dome; 46. a power assembly mounting hole; 47. a cross beam; 48. a right beam section; 49. a stringer;

50. a second mounting section; 51. a first mounting section.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

Referring now to fig. 1-4, a mounting structure 14 for a powertrain according to an embodiment of the present invention is described, the mounting structure 14 being used in a vehicle for mounting a powertrain, which may include an engine or an electric motor.

As shown in fig. 2, a mounting structure 14 of a powertrain according to an embodiment of the present invention includes: the main mounting panel 40 is provided with the power assembly installation department, and the power assembly installation department is used for installing the power assembly with a plurality of fixed plates 41. The fixing plates 41 are respectively connected to edges of the main mounting plate 40, wherein the main mounting plate 40 may have a plurality of edges with different directions, and the fixing plates 41 may be respectively connected to different edges of the main mounting plate 40. The fixing plates 41 are bent downward relative to the main mounting plate 40, that is, the upper ends of the fixing plates 41 are connected to the edge of the main mounting plate 40, and the lower ends of the fixing plates 41 can be correspondingly connected to the frame, so that the structural strength of the mounting structure 14 of the powertrain can be enhanced, and the mounting stability of the mounting structure 14 of the powertrain on the frame can be improved.

As shown in fig. 2, a reinforcement cavity 20 that opens downward is formed between the plurality of fixing plates 41 and the main attachment plate 40. That is, the plurality of fixing plates 41 and the main mounting plate 40 are substantially box-shaped, so that the strength of the mounting structure 14 is high, and by forming the reinforcing cavity 20, the structural strength of the mounting structure 14 can be further improved, the vibration noise of the powertrain transmitted to the frame through the mounting structure 14 can be better reduced, and the comfort of the vehicle can be improved.

The mounting structure 14 of the power assembly may be an integrally formed structural member, and the mounting structure 14 thus configured has high structural strength, and the process of splicing and assembling may be omitted, so as to improve the manufacturing efficiency. Specifically, the mounting structure 14 may be stamped and formed from a sheet having a thickness of 1mm to 2mm, a length of 150mm to 200mm, and a width of 90mm to 120mm. The mounting structure 14 thus designed is appropriately sized to meet the requirements of use. For example, the mounting structure 14 may have a thickness of 1mm, 1.2mm, 1.4mm, 1.5mm, 1.6mm, 1.8mm, and 2mm, a length of 150mm, 160mm, 170mm, 180mm, 190mm, and 200mm, and a width of 90mm, 95mm, 100mm, 105mm, 107mm, 110mm, 115mm, and 120mm.

Therefore, by arranging the fixing plates 41, the structural strength and the installation stability of the mounting structure 14 of the power assembly on the frame can be effectively improved, and the structural strength of the mounting structure 14 can be further improved by utilizing the characteristic that the reinforcing cavity 20 is high in structural strength, so that the vibration noise of the power assembly transmitted to the frame through the mounting structure 14 can be reduced, and the comfort of a vehicle can be improved.

According to an alternative embodiment of the present invention, as shown in fig. 2, the joint between the at least one fixing plate 41 and the main mounting plate 40 is provided with a reinforcing rib 18, and the reinforcing rib 18 is provided as a concave rib or a convex rib. Through setting up strengthening rib 18, can strengthen the structural strength of the junction of corresponding fixed plate 41 and main mounting panel 40 effectively, can further improve the structural strength of mounting structure 14 to can reduce the power assembly and pass through the vibration noise that mounting structure 14 transmitted to the frame, can promote the travelling comfort of vehicle. Wherein, the convex rib is arranged convexly at the joint between the fixing plate 41 and the main mounting plate 40, and the concave rib is arranged concavely at the joint between the fixing plate 41 and the main mounting plate 40.

Specifically, as shown in fig. 2, the joints between the plurality of fixing plates 41 and the main mounting plate 40 are each provided with a reinforcing rib 18. The reinforcing ribs 18 thus provided can correspondingly reinforce the joints between each of the fixing plates 41 and the main mounting plate 40, so that the structural strength of the mounting structure 14 can be further improved.

As shown in fig. 2, the plurality of fixing plates 41 includes: the front fixing plate 10 is connected to the front edge of the main mounting plate 40, the rear fixing plate 15 is connected to the rear edge of the main mounting plate 40, the left fixing plate 11 is connected to the left edge of the main mounting plate 40, and the right fixing plate 12 is connected to the right edge of the main mounting plate 40. Wherein, the position and/or the number of the reinforcing ribs 18 at the joints of the front fixing plate 10 and the main mounting plate 40 are different from the position and/or the number of the reinforcing ribs 18 at the joints of the rear fixing plate 15 and the main mounting plate 40. That is, the position, the number, and the position and the number of the reinforcing ribs 18 at the joints of the front fixing plate 10 and the main mounting plate 40 and the reinforcing ribs 18 at the joints of the rear fixing plate 15 and the main mounting plate 40 may be different. For example, the number of the reinforcing ribs 18 at the joint of the front fixing plate 10 and the main mounting plate 40 may be two, two reinforcing ribs 18 are distributed on the left side and the right side of the front fixing plate 10, one reinforcing rib 18 at the joint of the rear fixing plate 15 and the main mounting plate 40 may be provided, and one reinforcing rib 18 is distributed in the middle of the rear fixing plate 15.

The reinforcing ribs 18 at the joint of the left fixing plate 11 and the main mounting plate 40 and the reinforcing ribs 18 at the joint of the right fixing plate 12 and the main mounting plate 40 are different in position and/or number. That is, the reinforcing ribs 18 at the joints of the left fixing plate 11 and the main mounting plate 40 and the reinforcing ribs 18 at the joints of the right fixing plate 12 and the main mounting plate 40 may be different in position, number, and both position and number. For example, the number of the reinforcing ribs 18 at the joint of the left fixing plate 11 and the main mounting plate 40 may be two, one reinforcing rib 18 is distributed in the middle of the left fixing plate 11, the other reinforcing rib is distributed at the rear side of the left fixing plate 11, the number of the reinforcing ribs 18 at the joint of the right fixing plate 12 and the main mounting plate 40 may be one, and one reinforcing rib 18 is distributed in the middle of the right fixing plate 12.

Therefore, the mounting structure 14 of the power assembly can realize the structural strength difference target of the four fixing plates 41 while improving the structural strength, thereby realizing the frequency avoidance design, effectively attenuating the energy transmitted by the vibration noise of the power assembly, achieving the purpose of reducing the vibration noise in the vehicle and further improving the riding comfort of a user.

According to an embodiment of the present invention, as shown in fig. 2, the edge of the left fixing plate 11 is provided with a first arched bending portion 13, and the edge of the right fixing plate 12 is provided with a second arched bending portion 19. Through set up first arch kink 13 at the edge of left fixed plate 11 to and at right fixed plate 12 edge design second arch kink 19, can promote mounting structure 14's structural strength, can also increase the welding area between left fixed plate 11 and right fixed plate 12 and the frame, thereby can further promote the structural strength between power assembly mounting structure 14 and the frame, can effectively attenuate the energy of power assembly vibration noise transmission, can promote the travelling comfort of vehicle.

Alternatively, as shown in fig. 2, the powertrain mounting portion may be a powertrain mounting hole 46, and the powertrain mounting hole 46 at least includes: the power assembly mounting structure comprises a first power assembly mounting hole 16 and four second power assembly mounting holes 17 which are different in shape, the first power assembly mounting hole 16 can be circular, the second power assembly mounting holes 17 can be waist-shaped, the centers of the four waist-shaped second power assembly mounting holes 17 are sequentially connected to form a rectangle, the first power assembly mounting hole 16 is located in the center of the rectangle, and the power assembly mounting structure can be adapted to different power assemblies by arranging the first power assembly mounting hole 16 and the four second power assembly mounting holes 17. For example, the powertrain of a diesel two-drive vehicle may be secured by fasteners using the first powertrain mounting hole 16 and the two second powertrain mounting holes 17 located at the rear side, or, for example, the powertrain of a hybrid two-drive vehicle may be secured by fasteners using the four second powertrain mounting holes 17, or, for example, the powertrain of a gasoline two-drive vehicle may be secured by fasteners using the first powertrain mounting hole 16 and the two second powertrain mounting holes 17 located at the front side. The mounting structure 14 thus provided is highly versatile and can reduce the development cost of the vehicle.

According to the utility model discloses vehicle of second aspect embodiment includes: the frame, which includes the side members 49 and the cross member 47, and the mount structure 14 of the power unit of the above embodiment, the cross member 47 is connected between the side members 49. The fixing plates 41 are all fixedly connected with the cross beam 47, the fixed connection mode can be welding, and the cross beam 47 covers the opening of the reinforcing cavity 20. Therefore, by arranging the mounting structure 14 of the power assembly of the embodiment, the vibration noise of the power assembly transmitted to the frame through the mounting structure 14 of the power assembly can be reduced, and the comfort of the vehicle can be improved.

As shown in fig. 1, the middle of the cross beam 47 is a first arch 45 protruding toward the front, and the first arch 45 is a single arch. The first arch structure 45 can effectively strengthen the structural strength of the cross beam 47, so that the strength between the cross beam 47 and the mounting structure 14 can be further improved, the vibration noise of a power assembly transmitted to a frame through the mounting structure 14 can be reduced, and the comfort of a vehicle can be improved. Wherein, the first arch structure 45 can also be arranged to be convex towards the rear.

Further, as shown in fig. 3, the left side of the first arch-shaped structure 45 is provided with a first arch-shaped pit structure 30 and a second arch-shaped pit structure 31, the first arch-shaped pit structure 30 is communicated with the second arch-shaped pit structure 31, and the right side of the first arch-shaped structure 45 is provided with a third arch-shaped pit structure 32. First arch-shaped pit structure 30, second arch-shaped pit structure 31 and third arch-shaped pit structure 32 all can effectively strengthen the structural strength of crossbeam 47, moreover because the arch-shaped pit structure quantity of the first arch-shaped structure 45 left and right sides is different to can realize the local design of keeping away frequently in both sides, can reduce vibration transmission sensitivity.

Specifically, as shown in fig. 3, the left side of the first arch structure 45 is provided with a left large lightening hole 35 and a left small lightening hole 36, and the right side of the first arch structure 45 is provided with a right large lightening hole 33 and a right small lightening hole 34. By arranging the left large lightening hole 35, the left small lightening hole 36, the right large lightening hole 33 and the right small lightening hole 34, the weight of the cross beam 47 can be effectively reduced, and the light weight design target of the vehicle can be favorably realized.

The relative positions and/or the number of the left large lightening hole 35 and the right large lightening hole 33 are different, that is, the relative positions and the number of the left large lightening hole 35 and the right large lightening hole 33 may be different, and the relative positions and the number may also be different at the same time. The relative positions and/or numbers of the left small lightening holes 36 and the right small lightening holes 34 are different. That is, the relative positions of the left small lightening hole 36 and the right small lightening hole 34 may be different, the number thereof may be different, and the relative positions and the number thereof may be different at the same time. For example, the left side of the first arch structure 45 is provided with one large left lightening hole 35 and two small left lightening holes 36, and the right side of the first arch structure 45 is provided with three large right lightening holes 33 and one small right lightening hole 34. The cross beam 47 thus provided can effectively avoid frequency and reduce vibration transmission sensitivity, thereby improving the comfort of the vehicle.

As shown in fig. 1, the cross member 47 includes: left beam section 43, centre sill section 44 and right beam section 48, the left end and the left beam section 43 of centre sill section 44 pass through fastener fixed connection, and the right-hand member and the right beam section 48 of centre sill section 44 also pass through fastener fixed connection moreover. For example, the left end of the middle beam section 44 and the left beam section 43, and the right end of the middle beam section 44 and the right beam section 48 are respectively fixedly connected by two bolts 42, and the front end face and the rear end face of the middle beam section 44 can be selectively exchanged. The connection mode is convenient to install, and meanwhile, structural support is well designed for different power and transmission systems of the same platform.

Further, as shown in fig. 4, each of the left beam section 43 and the right beam section 48 includes: first erection section 51 and second erection section 50, second erection section 50 is located one side that first erection section 51 is close to well roof beam section 44, first erection section 51 and longeron 49 welded connection, second erection section 50 and well roof beam section 44 fixed connection, the cross-section of first erection section 51 is the arch of downwardly convex, the cross-section of second erection section 50 is triangle-shaped, through with first erection section 51 and longeron 49 welded connection, its and longeron 49 welding area and intensity can be improved to the convex domes, utilize convex arch and triangle-shaped structure can promote this position bulk strength. The second mounting section 50 is fixedly connected with the middle beam section 44 through the bolts 42, so that quick mounting and production can be facilitated according to power and transmission changes.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A mounting structure of a power assembly, characterized by comprising:

the main mounting plate is provided with a power assembly mounting part;

a plurality of fixed plates, it is a plurality of the fixed plate connect respectively in on the edge of main mounting panel and relative main mounting panel is buckled the setting downwards, and is a plurality of the fixed plate with be formed with towards the open-ended chamber of strengthening downwards between the main mounting panel, at least one the fixed plate with junction between the main mounting panel is provided with the strengthening rib.

2. The power assembly mounting structure according to claim 1, wherein the reinforcing rib is a convex rib or a concave rib.

3. The mount structure of the power assembly according to claim 1, wherein the reinforcing ribs are provided at the junctions between the plurality of fixing plates and the main mount plate;

a plurality of the fixing plates include: preceding fixed plate, after-fixing board, left fixed plate and right fixed plate, preceding fixed plate with the main mounting panel junction the strengthening rib with the after-fixing board with the main mounting panel junction the position and/or the quantity of strengthening rib are different, a left side fixed plate with the main mounting panel junction the strengthening rib with the right fixed plate with the main mounting panel junction the position and/or the quantity of strengthening rib are different.

4. The power assembly mounting structure according to claim 1, wherein the plurality of fixing plates includes at least: the edge of the left fixing plate is provided with a first arched bending part, and/or the edge of the right fixing plate is provided with a second arched bending part.

5. The powertrain mounting structure of claim 1, wherein the powertrain mounting portion is a powertrain mounting hole, and the powertrain mounting hole includes at least: the power assembly comprises a first power assembly mounting hole and four second power assembly mounting holes which are different in shape, the centers of the four second power assembly mounting holes are sequentially connected to form a rectangle, and the first power assembly mounting hole is located in the center of the rectangle.

6. A vehicle, characterized by comprising:

the frame comprises longitudinal beams and a cross beam, and the cross beam is connected between the longitudinal beams;

the locomotion assembly mounting structure of any one of claims 1 to 5, wherein a plurality of the fixing plates are fixedly connected to the cross member, and the cross member covers the opening of the reinforcement cavity.

7. The vehicle of claim 6, characterized in that the middle of the cross beam is a first arch that bulges forward or rearward.

8. The vehicle of claim 7, characterized in that a first arch shaped dimple structure and a second arch shaped dimple structure are provided on the left side of the first arch shaped dimple structure, the first arch shaped dimple structure being in communication with the second arch shaped dimple structure; and/or a third arched pit structure is arranged on the right side of the first arched structure.

9. The vehicle according to claim 7, characterized in that a left large lightening hole and a left small lightening hole are arranged on the left side of the first arch structure, a right large lightening hole and a right small lightening hole are arranged on the right side of the first arch structure, the relative positions and/or the number of the left large lightening hole and the right large lightening hole are different, and the relative positions and/or the number of the left small lightening hole and the right small lightening hole are different.

10. The vehicle of claim 6, characterized in that the cross-member comprises: the left end of the middle beam section is fixedly connected with the left beam section through a fastening piece, the right end of the middle beam section is fixedly connected with the right beam section through a fastening piece, and the front end face and the rear end face of the middle beam section are selectively replaced; and/or

The left beam section and the right beam section both include: the mounting structure comprises a first mounting section and a second mounting section, wherein the second mounting section is located close to one side of the middle beam section, the first mounting section is connected with the longitudinal beam in a welded mode, the second mounting section is fixedly connected with the middle beam section, the cross section of the first mounting section is of an arch shape protruding downwards, and the cross section of the second mounting section is of a triangular shape.