CN112896316B

CN112896316B - Frame assembly and vehicle

Info

Publication number: CN112896316B
Application number: CN201911121306.1A
Authority: CN
Inventors: 何鹏; 何云喜; 周宏伟; 钱海; 李松涛; 王宇
Original assignee: Beiqi Foton Motor Co Ltd
Current assignee: Beiqi Foton Motor Co Ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2022-11-25
Anticipated expiration: 2039-11-15
Also published as: CN112896316A

Abstract

The present disclosure relates to a frame assembly and vehicle, wherein, the frame assembly includes: a first frame (100); a second frame (200), the second frame (200) being connected rearward of the first frame (100), and the second frame (200) being located above the first frame (100); and the battery pack support (300) is arranged below the second frame (200), and is fixedly connected with the first frame (100) and the second frame (200). Therefore, the integral frame of the vehicle is firstly composed of a first frame and a front frame and a rear frame of a second frame, the second frame is higher than the first frame, and a battery pack support is integrated below the second frame, so that a frame assembly with a frame type structure is formed. The frame assembly is simple in structure, and can effectively reduce the weight of the whole vehicle, reduce the cost and the complexity of the battery pack support.

Description

Frame assembly and vehicle

Technical Field

The present disclosure relates to the field of vehicle technology, and in particular, to a frame assembly and a vehicle.

Background

Due to their portability and flexibility in urban logistics and the like, new energy commercial vehicles are becoming increasingly favored by the transportation industry. Meanwhile, with the increase of environmental awareness of the whole society and the gradual shortage of global petroleum resources, the proportion of new energy automobiles is gradually increased. At present, new forms of energy commercial car designs the development mostly on traditional fuel commercial car frame, but traditional frame does not possess the function of undertaking power battery package support, so, need design power battery package support specially to match current frame, leads to battery package support design unusual difficulty, numerous, and then leads to the increase of whole car weight and the rising of cost. In addition, the power battery pack support based on the traditional frame design basically adopts an arrangement mode of suspending the battery at the outer side of the frame, so that the problems of poor frame stress condition, insufficient utilization of the inner space of the chassis, more difficult arrangement of other system components and the like are caused.

Disclosure of Invention

One object of this disclosure is to provide a frame assembly, this frame assembly integrates power battery package support and frame, and simple structure can effectively solve big and with high costs scheduling problem of whole car weight.

It is another object of the present disclosure to provide a vehicle configured with a frame assembly provided by the present disclosure.

In order to achieve the above object, the present disclosure provides a frame assembly comprising:

a first frame;

a second frame connected rearward of the first frame and positioned above the first frame; and

and the battery pack support is arranged below the second frame and is fixedly connected with the first frame and the second frame.

Optionally, the first frame includes two first longitudinal beams extending in the front-rear direction and disposed oppositely, the second frame includes two second longitudinal beams extending in the front-rear direction and disposed oppositely, and the two first longitudinal beams are located on inner sides of the two second longitudinal beams and fixedly connected through corresponding connecting structures.

Optionally, the first longitudinal beam comprises a first web plate arranged vertically and two first wing plates extending horizontally from the upper end and the lower end of the first web plate towards the inner side; the second longitudinal beam comprises a second web plate which is vertically arranged and two second wing plates which horizontally extend towards the outer side from the upper end and the lower end of the second web plate; the connecting structure comprises a first connecting plate vertically extending and a second connecting plate constructed in an L-shaped structure, the first web is attached to the bottom of the first connecting plate and fixedly connected with the bottom of the first connecting plate, the second web is attached to the top of the first connecting plate and fixedly connected with the top of the first connecting plate, and the second connecting plate is located above the first longitudinal beam and respectively fixedly connected with the first connecting plate and the first wing plate in an attaching mode.

Optionally, the battery pack holder includes:

the third longitudinal beams extend in the front-back direction, and the number of the third longitudinal beams is two and the third longitudinal beams are arranged oppositely;

the first cross beams are connected between the two third longitudinal beams, and the number of the first cross beams is two and the first cross beams are respectively positioned at the front end and the rear end of each third longitudinal beam;

the fixed beam is used for mounting a battery pack and transversely penetrates through the two third longitudinal beams; and

and the vertical beam is fixedly connected with the first frame and the second frame and arranged at the top of the third longitudinal beam.

Optionally, the vertical beam is connected between the second longitudinal beam and the third longitudinal beam, the vertical beam includes first vertical beams respectively located at the front end and the rear end of the third longitudinal beam, the first vertical beam is formed into a groove-shaped structure with an opening facing outward, the groove-shaped structure includes a bottom wall and a side wall surrounding the bottom wall, the side wall located below is fixedly connected to the top of the third longitudinal beam, the bottom wall is attached to and fixedly connected to the first connecting plate at the front end of the battery pack support, and the side wall located above is fixedly connected to the second wing plate; the rear end of battery package support, the laminating is provided with vertical extension on the second web to the third connecting plate at third longeron top, the diapire with the laminating of third connecting plate sets up and fixed connection, be located the top the lateral wall with second wing fixed connection.

Optionally, the first vertical beam comprises a U-shaped connection and a C-shaped connection, the C-shaped connection being located within the U-shaped connection such that: the U-shaped connecting part is attached to the middle connecting section of the C-shaped connecting part and forms the bottom wall of the groove-shaped structure; the U-shaped connecting part is sequentially connected with free sections on two sides of the C-shaped connecting part to form the side wall of the groove-shaped structure.

Optionally, a second vertical beam is further arranged between the first longitudinal beam and the first cross beam at the front end of the battery pack support, and the first vertical beam, the first connecting plate and the second vertical beam are fixedly connected.

Optionally, the vertical beam further comprises a third vertical beam located at the middle position of the third longitudinal beam, the bottom of the third vertical beam is fixedly connected to the top of the third longitudinal beam, and the top of the third vertical beam is fixedly connected to the second wing plate through a fourth connecting plate.

Optionally, the fixed beam includes a plurality of beams spaced apart in a front-rear direction.

According to a second aspect of the present disclosure, there is provided a vehicle comprising a frame assembly according to the above.

Through the technical scheme, the integral frame of the vehicle is composed of the first frame and the front and rear frames of the second frame, and the second frame is higher than the first frame and is integrated with the battery pack support below the second frame, so that the frame assembly with a frame structure is formed. The frame assembly is simple in structure, and can effectively reduce the weight of the whole vehicle, reduce the cost and the complexity of the battery pack support. Simultaneously, the battery package support is integrated in second carriage below, and the battery package support can play the effect of frame crossbeam on the one hand to increase the rigidity and the intensity of frame, on the other hand second carriage can play better guard action to the power battery package, can compromise the quick change function when satisfying fixed mounting power battery package, and can improve frame chassis and arrange space utilization, reserve abundant space for arranging of other system components.

Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure, but do not constitute a limitation of the disclosure. In the drawings:

FIG. 1 is a schematic structural view of a vehicle frame assembly provided by an exemplary embodiment of the present disclosure;

FIG. 2 is a schematic view of the connection of the first frame, the second frame and the battery pack bracket of the frame assembly shown in FIG. 1;

FIG. 3 is a partial enlarged view of portion A of FIG. 2 (i.e., the connection structure between the front end of the battery pack bracket and the first and second frames at the outer side of the frame assembly);

FIG. 4 is a schematic view of the connection structure of the front end of the battery pack bracket of FIG. 2 with the first frame and the second frame inside the frame assembly;

FIG. 5 is a schematic view of the connection structure between the rear end of the battery pack bracket and the second frame in FIG. 2;

FIG. 6 is a schematic view of a connection structure between the middle portion of the battery pack bracket and the second frame in FIG. 2;

FIG. 7 is a schematic structural view of the frame assembly shown in FIG. 1 with a first power battery pack mounted thereon;

fig. 8 is a schematic structural view of the frame assembly shown in fig. 1 with a second power battery pack mounted thereon.

Description of the reference numerals

100. First frame 110 first longitudinal member

111. First web 112 first wing

200. Second frame 210 second longitudinal member

211. Second web 212 second wing

300. Third longitudinal beam of battery pack bracket 310

320. First beam 330 fixed beam

340. Vertical Beam 341 first vertical Beam

3411 U-shaped connecting part 3412C shaped connecting part

342. Second vertical beam 343 third vertical beam

410. First connection plate 420 second connection plate

430. Third connecting plate 440 fourth connecting plate

500. Fastener 610 first power battery pack

620. The second power battery pack

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise stated, terms of orientation such as "upper", "lower", "top" and "bottom" are generally defined in terms of normal use of the frame assembly, and specifically refer to the orientation of the drawing shown in fig. 1; "front" and "rear" are defined according to the traveling state of the vehicle, and referring to fig. 1, the left side in the drawing direction is front, and the right side in the drawing direction is rear; "inner" and "outer" refer to the inner and outer of the respective component profiles. Furthermore, the terms "first," "second," and the like, as used in this disclosure, are intended to distinguish one element from another, and not necessarily for order or importance. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated.

Referring to fig. 1, the disclosed embodiment provides a vehicle frame assembly including a first vehicle frame 100, a second vehicle frame 200, and a battery pack bracket 300. Wherein the second frame 200 may be connected to the rear of the first frame 100, and the second frame 200 may be located above the first frame 100, respectively, i.e., the second frame 200 is higher than the first frame 100 in the vertical direction; the battery pack bracket 300 may be disposed under the second frame 200 and fixedly connected to the first frame 100 and the second frame 200. It should be noted that, in the embodiment of the present disclosure, the first frame 100, the second frame 200 and the battery pack holder 300 may all have a frame-type structure, the first frame 100 and the second frame 200 may be first fixedly connected together by a connection structure, for example, as described below, to form an integral frame, and the battery pack holder 300 is located below the second frame 200 and is also vertically lower than the first frame 100, so that not only a sufficient installation space for a battery pack may be reserved, but also interference with the first frame 100 may be avoided. As shown in fig. 1, the battery pack holder 300 is located below the second frame 200, the front end of the battery pack holder 300 is approximately flush with the front end of the second frame 200, the fixed connection of the battery pack holder 300 with the first frame 100 and the second frame 200 means that the front end of the battery pack holder 300 can be respectively connected to the following connection structures to realize the fixed connection with the first frame 100 and the second frame 200, and the rear end of the battery pack holder 300 can be respectively and separately connected with the second frame 200 to firmly integrate the battery pack holder 300 with the first frame 100 and the second frame 200 integrally, thereby improving the integration of the battery pack holder 300 with the integral frame.

Through the technical scheme, the integral frame of the vehicle is composed of the front section and the rear section of the first frame 100 and the second frame 200, the second frame 200 is higher than the first frame 100, and the battery pack support 300 is integrated below the second frame 200, so that a frame assembly with a frame structure is formed. This frame assembly simple structure can effectively alleviate whole car weight, reduce cost and battery package support 300's complexity. Meanwhile, the battery pack bracket 300 is integrated below the second frame 200, on one hand, the battery pack bracket 300 can play a role of a frame cross beam, thereby increasing the rigidity and strength of the frame; on the other hand, the second frame 200 can protect the power battery pack better, and the quick-change function can be achieved while the power battery pack is fixedly installed. In addition, the battery pack is mounted below the second frame 200 through the battery pack bracket 300, so that the utilization rate of the frame chassis arrangement space can be improved, and a sufficient space is reserved for arrangement of other system components.

Further, referring to fig. 2, the first frame 100 may include two first longitudinal beams 110 extending in the front-rear direction and disposed opposite to each other, and the second frame 200 may also include two second longitudinal beams 210 extending in the front-rear direction and disposed opposite to each other, where the two first longitudinal beams 110 are located inside the two second longitudinal beams 210 and may be fixedly connected through corresponding connecting structures, so as to fixedly connect the first frame 100 and the second frame 200. Wherein the first longitudinal beam 110 is located inside the second longitudinal beam 210 means that the first frame 100 is closer to the longitudinal centerline of the vehicle in the lateral direction (width direction) of the vehicle, and the second frame 200 located above the first frame 100 may be embodied such that the second longitudinal beam 210 is located above the first longitudinal beam 110.

Still further, referring to fig. 3 and 4, the first longitudinal beam 110 may include a first web 111 disposed vertically and two first flanges 112 extending horizontally from upper and lower ends of the first web 111 toward an inner side, and the second longitudinal beam 210 may respectively include a second web 211 disposed vertically and two second flanges 212 extending horizontally from upper and lower ends of the second web 211 toward an outer side, i.e., the first longitudinal beam 110 and the second longitudinal beam 210 may be respectively configured as a U-shaped structure, e.g., both may be made of a channel steel, and the notches of the first longitudinal beam 110 and the second longitudinal beam 210 face opposite directions. Wherein the connecting structure may include a first connecting plate 410 extending vertically and a second connecting plate 420 configured as an L-shaped structure, the first connecting plate 410 may be located between the first longitudinal beam 110 and the second longitudinal beam 210 and extend from the second longitudinal beam 210 to the first longitudinal beam 110 in a vertical direction to fixedly connect the first longitudinal beam 110 and the second longitudinal beam 210. Specifically, referring to fig. 3, the first web 111 may be attached to and fixedly connected to the bottom inner side of the first connecting plate 410, and the second web 211 may be attached to and fixedly connected to the top outer side of the first connecting plate 410. Referring to fig. 4, to further ensure the connection strength between the first longitudinal beam 110 and the second longitudinal beam 210, a second connecting plate 420 may be located above the first longitudinal beam 110 and fixedly attached to the first connecting plate 410 and the first wing plate 112, respectively. That is, the second connecting plate 420 is located inside the first connecting plate 410, and one of the plates in the L-shaped structure is attached to the inner side of the first connecting plate 410, and the other plate is correspondingly attached to the first wing plate 112 above the first longitudinal beam 110.

According to an embodiment provided by the present disclosure, referring to fig. 2, the battery pack bracket 300 may include a third longitudinal beam 310, a first lateral beam 320, a fixing beam 330, and a vertical beam 340. The third longitudinal beam 310 may include two opposing longitudinal beams extending in the front-rear direction, and the third longitudinal beam 310 may be respectively located below the second longitudinal beam 210 and the first longitudinal beam 110 in the vertical direction, so as to facilitate the fixed connection with the first frame 100 and the second frame 200; the first cross beam 320 may be connected between the two third longitudinal beams 310, and the first cross beam 320 may also include two beams respectively located at the front and rear ends of the third longitudinal beams 310 so as to form a frame structure with the two third longitudinal beams 310; the fixing beam 330 may transversely penetrate through the two third longitudinal beams 310 for mounting the battery pack, that is, the fixing beam 330 may be disposed parallel to the first transverse beam 320, and two ends of the fixing beam may extend out of the third longitudinal beams 310 to reserve a sufficient mounting space for the battery pack; a vertical beam 340 may be provided on top of the third longitudinal beam 310 for fixedly connecting with the first frame 100 and the second frame 200, i.e. the battery pack bracket 300 may be integrated with the first frame 100 and the second frame 200 through the vertical beam 340. The vertical beam 340 may be fixedly connected to the first frame 100 and the second frame 200 by a detachable connector, such as a bolt, so as to facilitate the integral assembly and disassembly of the battery pack bracket 300; the first frame 100 and the second frame 200 may also be fixedly connected by non-removable connectors, such as rivets, to enhance the overall performance of the frame assembly. The battery pack support 300 with the structure can realize the installation of the battery pack and the integration with the whole frame of the vehicle at the same time only through a simple form, thereby reducing the design difficulty of the battery pack support 300 to a great extent, lightening the increase of the weight of the whole vehicle and reducing the cost. In addition, the battery pack bracket 300 is integrated with the first frame 100 and the second frame 200 through the frame structure of the battery pack bracket, so that the rigidity, the strength and the mode of the whole frame can be obviously enhanced.

The specific connection form of the battery pack bracket 300 to the first frame 100 and the second frame 200 will be described in detail. It should be noted that, in the embodiment of the present disclosure, all the parts may be fixedly connected by the fastening member 500, fastening holes through which the fastening member 500 passes may be provided on all the corresponding parts, and the fastening member 500 may be, for example, a connecting member such as a bolt or a rivet, which is not limited in this disclosure. Of course, the components of the frame assembly may be joined by welding.

Referring to fig. 2, the vertical beam 340 may be connected between the second longitudinal beam 210 and the third longitudinal beam 310, for example, the vertical beam 340 may be connected between the bottom of the second longitudinal beam 210 and the top of the third longitudinal beam 310, on one hand, the connection strength may be sufficiently ensured, and on the other hand, the second frame 200 may also be supported. Further, the vertical beam 340 may include first vertical beams 341 respectively located at front and rear ends of the third longitudinal beam 310, that is, the number of the first vertical beams 341 may be plural, so that the battery pack bracket 300 is fixedly connected to the first frame 100 and the second frame 200 through the front connection structure and the rear connection structure. Among them, the first vertical beam 341 may be formed in a groove-shaped structure having an opening facing outward, the groove-shaped structure including a bottom wall and a sidewall surrounding the bottom wall, and the sidewall located below may be fixedly connected to the top of the third longitudinal beam 310. Note that "bottom wall" herein is a directional definition made for convenience of description, and referring to fig. 2, the first vertical beam 341 is formed in a groove-shaped structure having an opening, a groove bottom of the groove-shaped structure is the bottom wall described above, and the opening of the groove-shaped structure is disposed in a vertical direction toward the outside, i.e., corresponding to the groove bottom.

Referring to fig. 2 and 3, at the front end of the battery pack holder 300, the bottom wall of the first vertical beam 341 may be attached to and fixedly connected to the outer side surface of the first connection plate 410, and the upper side wall may be correspondingly attached to and fixedly connected to the second wing plate 212; referring to fig. 2 and 5, at the rear end of the battery pack bracket 300, a third connecting plate 430 vertically extending to the top of the third longitudinal beam 310 may be attached to the second web 211 of the second longitudinal beam 210, that is, the top of the third connecting plate 430 is fixedly connected to the second web 211, wherein the bottom wall of the first vertical beam 341 may be attached to and fixedly connected to the outer side surface of the third connecting plate 430, and the side wall located above may be correspondingly attached to and fixedly connected to the second web 212.

Further, referring to fig. 4, a second vertical beam 342 may be further disposed between the first longitudinal beam 110 and the first transverse beam 320 at the front end of the battery pack bracket 300, and the first vertical beam 341, the first connection plate 410 and the second vertical beam 342 are fixedly connected. In the embodiment of the present disclosure, since the second connecting plate 420, the first longitudinal beam 110, and the second vertical beam 342 are all located on the inner side of the first connecting plate 410, and the three are sequentially arranged from top to bottom, and the first vertical beam 341 is located on the outer side of the first connecting plate 410, when the connection is performed, the first vertical beam 341 can be correspondingly divided into three connecting portions from top to bottom, the portion located above can be directly connected with the first connecting plate 410 and the second connecting plate 420, the portion located in the middle can be directly connected with the first connecting plate 410 and the first web 111 of the first longitudinal beam 100, and the portion located below can be directly connected with the first connecting plate 410 and the second vertical beam 341. The second vertical beam 342 may be configured as a U-shaped structure made of, for example, channel steel, which not only can further increase the connection strength between the battery pack bracket 300 and the first frame 100, but also can support the first frame 100.

In addition, referring to fig. 2 and 6, the vertical beam 340 may further include a third vertical beam 343 located at a middle position of the third longitudinal beam 310, so as to be able to adapt to installation of the battery pack bracket 300 in a longer structural form, thereby sharing load bearing of the front and rear ends of the battery pack bracket 300. The third vertical beam 343 may also be configured as a U-shaped structure made of, for example, a channel steel, and its bottom may be fixedly connected to the top of the third longitudinal beam 310, and its top may be fixedly connected to the second wing 212 of the second longitudinal beam 210 through the fourth connecting plate 440. For example, the bottom of the third vertical beam 343 may be welded (e.g., fully welded) to the top of the third longitudinal beam 310, and the top of the third vertical beam 343 may be welded (e.g., fully welded) to the fourth connecting plate 440 and then fixedly connected to the second wing plate 212 by a fastener such as a bolt or a rivet.

According to some embodiments, referring to fig. 3 and 5, the first vertical beam 341 may be constructed in a split structure in which a U-shaped connection 3411 and a C-shaped connection 3412 are combined. Wherein, C-shaped connecting portion 3412 may be located inside U-shaped connecting portion 3411 such that U-shaped connecting portion 3411 is attached to a middle connecting section of C-shaped connecting portion 3412 and is formed as a bottom wall of the channel-shaped structure, and U-shaped connecting portion 3411 is connected to two free sections of C-shaped connecting portion 3412 in sequence to form a side wall of the channel-shaped structure. That is, the middle connecting sections of the U-shaped connecting section 3411 and the C-shaped connecting section 3412 may be overlapped to form the bottom wall of the first vertical beam 341, and the two free sections of the U-shaped connecting section 3411 and the C-shaped connecting section 3412 may be located in the directions perpendicular to each other to form the side wall of the first vertical beam 341 around the bottom wall. In order to improve the universality of parts, the first vertical beam 341 with the same structural form is arranged at the front end and the rear end of the third longitudinal beam 310 in the embodiment of the present disclosure, and of course, the vertical beam 340 with different structural forms can also be arranged at the front end and the rear end of the first longitudinal beam 310, which can also realize the fixed connection with the first frame 100 and the second frame 200.

In the embodiment of the present disclosure, referring to fig. 2, the fixing beams 330 may include a plurality of beams arranged at intervals in the front-rear direction, and the distance between the plurality of fixing beams 330 may also be adjusted according to actual needs, so as to meet the installation requirements of different power battery cases. Referring to fig. 7 and 8, the battery pack bracket 300 of the frame assembly provided by the present disclosure may be used to mount different types of power battery packs, such as a first power battery pack 610 and a second power battery pack 620, and has strong versatility. The first power battery pack 610 may be, for example, a fixed power battery pack, the second power battery pack 620 may be, for example, a quick-change power battery pack, and both the first power battery pack 610 and the second power battery pack 620 may be fixedly mounted to the battery pack bracket 300 through mounting holes on a power battery box.

The present disclosure also provides a vehicle, wherein the vehicle may comprise the frame assembly described above. The vehicle has all the advantages of the frame assembly, and the detailed description is omitted. The vehicle may be a new energy vehicle equipped with a power battery.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. A frame assembly, comprising:

a first frame (100);

a second frame (200), the second frame (200) being connected rearward of the first frame (100), and the second frame (200) being located above the first frame (100); and

a battery pack bracket (300), the battery pack bracket (300) being disposed below the second frame (200) and fixedly connected to the first frame (100) and the second frame (200),

the first vehicle frame (100) comprises two first longitudinal beams (110) which extend in the front-rear direction and are oppositely arranged, the second vehicle frame (200) comprises two second longitudinal beams (210) which extend in the front-rear direction and are oppositely arranged, the two first longitudinal beams (110) are positioned on the inner sides of the two second longitudinal beams (210) and are fixedly connected through corresponding connecting structures, and each first longitudinal beam (110) comprises a first web (111) which is vertically arranged and two first wing plates (112) which horizontally extend from the upper end and the lower end of the first web (111) to the inner side; the second longitudinal beam (210) comprises a second web (211) which is vertically arranged and two second wing plates (212) which horizontally extend towards the outer side from the upper end and the lower end of the second web (211); the connecting structure comprises a first connecting plate (410) extending vertically and a second connecting plate (420) constructed in an L-shaped structure, a first web (111) is attached to the bottom of the first connecting plate (410) and fixedly connected with the bottom of the first connecting plate, a second web (211) is attached to the top of the first connecting plate (410) and fixedly connected with the top of the first connecting plate, and the second connecting plate (420) is located above the first longitudinal beam (110) and is respectively attached to and fixedly connected with the first connecting plate (410) and the first wing plate (112).

2. The frame assembly of claim 1, wherein the battery pack bracket (300) comprises:

the third longitudinal beams (310) extend in the front-rear direction, and the number of the third longitudinal beams (310) is two and the third longitudinal beams are arranged oppositely;

the first cross beams (320) are connected between the two third longitudinal beams (310), the number of the first cross beams (320) is two, and the first cross beams are respectively positioned at the front end and the rear end of each third longitudinal beam (310);

the fixing beam (330) is used for installing a battery pack, and the fixing beam (330) transversely penetrates through the two third longitudinal beams (310); and

the vertical beam (340) is used for being fixedly connected with the first frame (100) and the second frame (200), and the vertical beam (340) is arranged at the top of the third longitudinal beam (310).

3. The frame assembly according to claim 2, characterized in that the vertical beam (340) is connected between the second longitudinal beam (210) and the third longitudinal beam (310), the vertical beam (340) comprises first vertical beams (341) respectively located at the front end and the rear end of the third longitudinal beam (310), the first vertical beam (341) is formed into a groove-shaped structure with an opening facing to the outside, the groove-shaped structure comprises a bottom wall and a side wall surrounding the bottom wall, the side wall located below is fixedly connected to the top of the third longitudinal beam (310),

at the front end of the battery pack bracket (300), the bottom wall is attached to and fixedly connected with the first connecting plate (410), and the side wall above the bottom wall is fixedly connected with the second wing plate (212); the rear end of battery package support (300), the laminating is provided with on second web (211) and vertically extends to third connecting plate (430) at third longeron (310) top, the diapire with the laminating of third connecting plate (430) sets up and fixed connection, be located the top the lateral wall with second wing panel (212) fixed connection.

4. A frame assembly according to claim 3, wherein said first upright beam (341) comprises a U-shaped connection portion (3411) and a C-shaped connection portion (3412), said C-shaped connection portion (3412) being located within said U-shaped connection portion (3411) such that:

the U-shaped connecting part (3411) is attached to the middle connecting section of the C-shaped connecting part (3412) and is formed into the bottom wall of the groove-shaped structure; the U-shaped connecting part (3411) is connected with two free sections of the C-shaped connecting part (3412) in sequence to form the side wall of the groove-shaped structure.

5. A frame assembly according to claim 3, characterized in that a second vertical beam (342) is further arranged between the first longitudinal beam (110) and the first transverse beam (320) at the front end of the battery pack bracket (300), and the first vertical beam (341), the first connecting plate (410) and the second vertical beam (342) are fixedly connected.

6. The frame assembly of claim 3, wherein the vertical beam (340) further comprises a third vertical beam (343) located at a middle position of the third longitudinal beam (310), a bottom of the third vertical beam (343) is fixedly connected to a top of the third longitudinal beam (310), and the top of the third vertical beam (343) is fixedly connected to the second wing plate (212) through a fourth connecting plate (440).

7. The frame assembly of claim 2, wherein the fixed beam (330) includes a plurality of beams spaced apart in a fore-aft direction.

8. A vehicle, characterized in that it comprises a frame assembly according to any one of claims 1-7.