Chassis structure of vehicle and vehicle

Abstract

The utility model provides a chassis structure of a vehicle and the vehicle, and relates to the technical field of vehicles. The chassis structure of the vehicle comprises a vehicle frame and a chassis, wherein the vehicle frame comprises two longitudinal beams; the at least three axles are arranged on the two longitudinal beams, and the axles are sequentially arranged in the length direction of the longitudinal beams; the at least two first power battery packs are arranged between the two longitudinal beams, and the first power battery packs are sequentially arranged in the length direction of the longitudinal beams; and the at least two second power battery packs are correspondingly arranged on the outer sides of the two longitudinal beams in the width direction of the longitudinal beams. According to the chassis structure of the vehicle, the position of the mass center of the vehicle is low, and the running stability of the vehicle is high.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, in particular to a chassis structure of a vehicle and a vehicle. Background Art

[0002] New energy vehicles include pure electric drive vehicles and hybrid drive vehicles, and power batteries need to be installed in both of the above two types of vehicles.

[0003] In the related art, a vehicle includes a cab, a power battery, and a battery installation frame, and the power battery is installed at the rear of the cab through the battery installation frame.

[0004] However, in the related art, the center of mass of the vehicle is relatively high, which may cause the vehicle to run unstably. Summary of the Utility Model

[0005] The utility model provides a chassis structure of a vehicle and a vehicle, which are used to solve the problem that the relatively high center of mass of the vehicle may cause the vehicle to run unstably.

[0006] In a first aspect, the utility model provides a chassis structure of a vehicle, including:

[0007] A vehicle frame, the vehicle frame includes two longitudinal beams;

[0008] At least three axles, the axles are arranged on the two longitudinal beams, and each axle is arranged in sequence along the length direction of the longitudinal beam;

[0009] At least two first power battery packs, the first power battery packs are arranged between the two longitudinal beams, and each first power battery pack is arranged in sequence along the length direction of the longitudinal beam;

[0010] At least two second power battery packs, and the at least two second power battery packs are arranged on the outer sides of the two longitudinal beams corresponding to each other along the width direction of the longitudinal beam.

[0011] In a possible implementation manner, the chassis structure of the vehicle further includes at least two first battery brackets, and each first battery bracket includes:

[0012] A support member, and the first power battery pack is arranged on the support member;

[0013] At least two support legs, the at least two support legs are correspondingly connected to opposite sides of the support member, and the at least two support legs are also correspondingly connected to the two longitudinal beams.

[0014] In a possible implementation manner, the support leg includes:

[0015] A first fixed section, and the first fixed section is connected to the support member;

[0016] An extension section, which is connected to the first fixed section and extends in a direction away from the support member along the first fixed section. The extension section extends to a side of one of the two longitudinal beams away from the other.

[0017] A second fixed section, which is connected to the extension section so that the second fixed section can be connected to a side of one of the two longitudinal beams away from the other.

[0018] In a possible implementation manner, the support leg further includes a reinforcing rib, and the reinforcing rib is disposed on at least one of the first fixed section, the extension section, and the second fixed section.

[0019] In a possible implementation manner, the chassis structure of the vehicle further includes at least two second battery brackets, and the second battery bracket includes:

[0020] A box body, which has a first accommodation cavity inside. The first accommodation cavity has an opening, and the second power battery pack is disposed in the first accommodation cavity, and the opening faces the longitudinal beam.

[0021] A connecting member, and the box body is connected to the longitudinal beam through the connecting member.

[0022] In a possible implementation manner, the connecting member includes:

[0023] A first connecting section and two second connecting sections connected to opposite sides of the first connecting section. The first connecting section protrudes from a side of the second connecting section facing the box body. The first connecting section is connected to the box body, and the second connecting section is connected to the longitudinal beam.

[0024] In a possible implementation manner, the box body further has a second accommodation cavity, and the second accommodation cavity is used to accommodate other components of the vehicle.

[0025] In a possible implementation manner, at least three axles include a first axle, a second axle, a third axle, and a fourth axle. At least two first power battery packs are provided in three, and at least two second power battery packs are provided in two.

[0026] One of the three first power battery packs is disposed on the first axle, another one of the three first power battery packs is disposed on the second axle, and yet another one of the three first power battery packs is disposed between the second axle and the third axle.

[0027] Two second power battery packs are correspondingly disposed outside the two longitudinal beams.

[0028] In a possible implementation manner, both the third axle and the fourth axle are electric drive axles.

[0029] In a second aspect, the present utility model provides a vehicle, including a vehicle body and the chassis structure of any vehicle provided in the first aspect connected to the vehicle body.

[0030] The chassis structure of a vehicle and the vehicle provided by the present utility model. The chassis structure of the vehicle forms a basic framework of the chassis structure of the vehicle by arranging a vehicle frame and at least three axles. The vehicle frame includes two longitudinal beams, and the axles are arranged on the two longitudinal beams, and each axle is arranged in sequence along the length direction of the longitudinal beam. By arranging at least two first power battery packs and at least two second power battery packs, the chassis structure of the vehicle can accommodate more power batteries, and the battery capacity of the vehicle is larger, so that the endurance of the vehicle is longer. By arranging at least two first power battery packs and at least two second power battery packs on the two longitudinal beams, the center of mass position of the vehicle is lower, so that the vehicle runs more stably. By arranging the first power battery packs between the two longitudinal beams and arranging at least two second power battery packs corresponding to each other along the width direction of the longitudinal beam on the outer sides of the two longitudinal beams, the distribution of each first power battery pack and each second power battery pack on the vehicle frame is more uniform, so as to further improve the running stability of the vehicle. Description of the Drawings

[0031] The drawings here are incorporated into the specification and form a part of this specification, showing embodiments consistent with the present utility model and used together with the specification to explain the principles of the present utility model.

[0032] Figure 1 It is a schematic structural diagram of the chassis structure of the vehicle provided by the embodiment of the present utility model;

[0033] Figure 2 is Figure 1 a schematic structural diagram of the connection between the first power battery pack and the first battery bracket in

[0034] Figure 3 is Figure 1 a schematic structural diagram of the connection between the second power battery pack and the second battery bracket in

[0035] Description of the Reference Numerals:

[0036] 100 - vehicle frame; 110 - longitudinal beam; 120 - first axle; 130 - second axle; 140 - third axle; 150 - fourth axle;

[0037] 200 - first power battery pack;

[0038] 300 - second power battery pack;

[0039] 400 - first battery bracket; 410 - support member; 420 - support leg; 421 - first fixed section; 422 - extension section; 423 - second fixed section; 424 - reinforcing rib;

[0040] 500 - Second battery bracket; 510 - Box body; 511 - First accommodation cavity; 512 - Second accommodation cavity; 520 - Connecting piece; 521 - First connecting section; 522 - Second connecting section.

[0041] For the convenience of understanding the solution of the present utility model, the spline curves and arrows used for the reference numerals in the drawings are described herein: For the components indicated by the spline curves without arrows, they are solid components, that is, components having a solid structure; for the components indicated by the spline curves with arrows, they are virtual components, that is, components without a solid structure.

[0042] Through the above drawings, specific embodiments of the present utility model have been shown, and there will be more detailed descriptions hereinafter. These drawings and text descriptions are not intended to limit the scope of the concept of the present utility model in any way, but to illustrate the concept of the present utility model to those skilled in the art by referring to specific embodiments. Detailed implementation manners

[0043] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.

[0044] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. (if any) is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, the elements defined by the statement "including..." do not exclude the existence of additional identical elements in the process, method, article or device including the element. If there is no conflict, the embodiments of the present utility model and the various features in the embodiments can be combined with each other, and all are within the protection scope of the present utility model.

[0045] New energy vehicles can be divided into pure electric drive vehicles and hybrid drive vehicles according to different power sources, and power batteries need to be installed in both of the above two types of vehicles.

[0046] In the related art, a vehicle includes a frame, a motor, a gearbox and a drive shaft. The motor, the gearbox and the drive shaft are arranged in the middle of the frame. The vehicle further includes a cab, a power battery and a battery mounting frame. The power battery is mounted on the rear of the cab through the battery mounting frame.

[0047] However, in the related art, the power battery and the battery mounting frame occupy the layout space of the cargo box of the vehicle. The selection of the cargo box will be adaptively reduced, and the effective load capacity of the vehicle will also be correspondingly reduced. Moreover, the power battery is mounted on the rear of the cab through the battery mounting frame, so the center of mass position of the vehicle is relatively high, which may cause the vehicle to run unstably, resulting in a reduction in the safety of the vehicle. In addition, if the capacity of the power battery is large, a large battery mounting frame needs to be designed to install the power battery, which not only increases the mass of the vehicle but also increases the manufacturing time of the vehicle.

[0048] For the above technical problems, please refer to Figure 1 , an embodiment of the present utility model provides a chassis structure of a vehicle, including: a frame 100, the frame 100 includes two longitudinal beams 110; at least three axles, the axles are arranged on the two longitudinal beams 110, and each axle is arranged in sequence along the length direction of the longitudinal beam 110; at least two first power battery groups 200, the first power battery groups 200 are arranged between the two longitudinal beams 110, and each first power battery group 200 is arranged in sequence along the length direction of the longitudinal beam 110; at least two second power battery groups 300, and at least two second power battery groups 300 are arranged corresponding to each other along the width direction of the longitudinal beam 110 on the outer sides of the two longitudinal beams 110.

[0049] The chassis structure of the vehicle provided by the present utility model forms a basic framework of the chassis structure of the vehicle by arranging the frame 100 and at least three axles. The frame 100 includes two longitudinal beams 110, the axles are arranged on the two longitudinal beams 110, and each axle is arranged in sequence along the length direction of the longitudinal beam 110. The two longitudinal beams 110 are of a known structural design method in the art and will not be elaborated herein.

[0050] By arranging at least two first power battery groups 200 and at least two second power battery groups 300, the chassis structure of the vehicle can accommodate more power batteries, and the total battery capacity of the vehicle is larger, so that the vehicle has a longer endurance.

[0051] By arranging at least two first power battery packs 200 and at least two second power battery packs 300 on two longitudinal beams 110, compared with the power battery in the related art which is installed at the rear of the cab through a battery installation frame, the center of mass position of the vehicle of the present utility model is lower, and the driving stability of the vehicle is higher.

[0052] By arranging the first power battery pack 200 between the two longitudinal beams 110 and arranging at least two second power battery packs 300 correspondingly on the outer sides of the two longitudinal beams 110 along the width direction of the longitudinal beams 110, the distribution of each first power battery pack 200 and each second power battery pack 300 on the vehicle frame 100 is relatively uniform, further improving the driving stability of the vehicle.

[0053] In some embodiments, please refer to Figure 2 , the chassis structure of the vehicle further includes at least two first battery brackets 400. The first battery bracket 400 includes: a support member 410, on which the first power battery pack 200 is arranged; at least two support legs 420, which are correspondingly connected to opposite sides of the support member 410, and the at least two support legs 420 are also correspondingly connected to the two longitudinal beams 110.

[0054] In this embodiment, by arranging the first power battery pack 200 on the support member 410, the support member 410 can support the first power battery pack 200. It should be noted that the present utility model does not limit the setting method of the first power battery pack 200, as long as the first power battery pack 200 can be firmly installed on the support member 410. Exemplarily, the first power battery pack 200 is screwed, clamped or riveted to the support member 410.

[0055] By arranging at least two support legs 420, which are correspondingly connected to opposite sides of the support member 410 and are also correspondingly connected to the two longitudinal beams 110, the support member 410 can be arranged between the longitudinal beams 110, so that the second power battery pack 300 on the support member 410 can be arranged between the two longitudinal beams 110 to arrange the second power battery pack 300 on the vehicle frame 100.

[0056] It should be noted that the present utility model does not limit the specific number of the support legs 420, as long as the connection between the support member 410 and the two longitudinal beams 110 can be realized. Exemplarily, four support legs 420 are arranged, and the four support legs 420 are evenly arranged on opposite sides of the support member 410 along the width direction of the longitudinal beam 110.

[0057] In some specific implementation manners, please refer to Figure 2, the support leg 420 includes: a first fixed section 421, the first fixed section 421 is connected to the support member 410; an extension section 422, the extension section 422 is connected to the first fixed section 421, the extension section 422 extends along the direction away from the support member 410 of the first fixed section 421, and the extension section 422 extends to one side of one of the two longitudinal beams 110 away from the other; a second fixed section 423, the second fixed section 423 is connected to the extension section 422 so that the second fixed section 423 can be connected to one side of one of the two longitudinal beams 110 away from the other.

[0058] To ensure that the support member 410 can be arranged between the two longitudinal beams 110, the width of the support member 410 should be less than the distance between the two longitudinal beams 110. However, this will result in a gap between the support member 410 and the longitudinal beam 110, and it is not easy to connect the support member 410 to the longitudinal beam 110. Thus, in this embodiment, by providing the extension section 422, the extension section 422 is connected to the support member 410 through the first fixed section 421, and the extension section 422 is also connected to the longitudinal beam 110 through the second fixed section 423, so that the support member 410 is connected to the longitudinal beam 110 through the extension section 422; by extending the extension section 422 along the direction away from the support member 410 of the first fixed section 421, the extension section 422 can make up for the gap between the support member 410 and the longitudinal beam 110 to achieve the connection between the support member 410 and the longitudinal beam 110; and, by extending the extension section 422 to one side of one of the two longitudinal beams 110 away from the other, the staff can disassemble and assemble the support leg 420 on one side of one of the two longitudinal beams 110 away from the other, and the disassembly and assembly are relatively convenient.

[0059] It should be noted that the present utility model does not limit the connection manner between the first fixed section 421 and the support member 410 and the connection manner between the second fixing member and the longitudinal beam 110, as long as a firm connection can be achieved. Exemplarily, connection manners such as screwing, clamping or riveting can be adopted.

[0060] In some other specific embodiments, please refer to Figure 2 , the support leg 420 further includes a reinforcing rib 424, and the reinforcing rib 424 is arranged on at least one of the first fixed section 421, the extension section 422 and the second fixed section 423.

[0061] The reinforcing rib 424 can improve the bearing capacity, anti-deformation ability and seismic performance of the first fixed section 421, the extension section 422 and the second fixed section 423, thereby ensuring the stability of the structure of the support leg 420 to firmly connect the support member 410 and the longitudinal beam 110.

[0062] In some other embodiments, please refer to Figure 3, the chassis structure of the vehicle further includes at least two second battery brackets 500. The second battery bracket 500 includes: a box body 510 with a first accommodation cavity 511 therein. The first accommodation cavity 511 has an orifice (not shown), and the second power battery pack 300 is disposed in the first accommodation cavity 511 with the orifice facing the longitudinal beam 110; a connecting member 520, and the box body 510 is connected to the longitudinal beam 110 through the connecting member 520.

[0063] In this embodiment, by providing the box body 510 with the first accommodation cavity 511 therein and disposing the second power battery pack 300 in the first accommodation cavity 511, the box body 510 can accommodate and support the second power battery pack 300. It should be noted that the present utility model does not limit the setting manner of the second power battery pack 300, as long as the second power battery pack 300 can be stably disposed in the first accommodation cavity 511. Exemplarily, the second power battery pack 300 is screwed, clamped or riveted to the box body 510 in the first accommodation cavity 511.

[0064] By providing the connecting member 520, the box body 510 is connected to the longitudinal beam 110 through the connecting member 520 to realize the connection between the second power battery pack 300 and the longitudinal beam 110.

[0065] In some specific embodiments, please refer to Figure 3 , the connecting member 520 includes: a first connecting section 521 and two second connecting sections 522 connected to opposite sides of the first connecting section 521. The first connecting section 521 protrudes from the side of the second connecting section 522 facing the box body 510. The first connecting section 521 is connected to the box body 510, and the second connecting section 522 is connected to the longitudinal beam 110.

[0066] Since the box body 510 is relatively large in size and is not convenient to be directly connected to the longitudinal beam 110, thus, in this embodiment, by providing the first connecting section 521 and the two second connecting sections 522 connected to opposite sides of the first connecting section 521, and the first connecting section 521 protrudes from the side of the second connecting section 522 facing the box body 510, a certain distance is formed between the first connecting section 521 and the second connecting section 522 in the width direction of the longitudinal beam 110. Accordingly, when connecting the box body 510 to the longitudinal beam 110, the worker can first connect the first connecting section 521 to the box body 510 between the two second connecting sections 522; then, since there is a certain distance between the first connecting section 521 and the second connecting section 522 in the width direction of the longitudinal beam 110, there is a certain gap between the box body 510 and the second connecting section 522, and the worker can operate the disassembly and assembly tool in this gap to connect the second connecting section 522 to the longitudinal beam 110, thereby realizing the connection between the box body 510 and the longitudinal beam 110 in a narrow space.

[0067] In addition, the first accommodating cavity 511 faces the longitudinal beam 110, and the longitudinal beam 110 can block the second power battery pack 300 to prevent the second power battery pack 300 from sliding out of the cavity opening.

[0068] In some other embodiments, please refer to Figure 3 , the box body 510 further has a second accommodating cavity 512, and the second accommodating cavity 512 is used to accommodate other components of the vehicle.

[0069] It should be noted that in this embodiment, there is no limitation on other components of the vehicle accommodated in the second accommodating cavity 512, and other components of the vehicle that are suitable to be placed can be placed in the second accommodating cavity 512 according to actual needs. Exemplarily, the second accommodating cavity 512 can be used to accommodate the motor controller of the vehicle.

[0070] The chassis structure of the vehicle provided by the present utility model can be applied to vehicles with four axles, and vehicles with four axles include but are not limited to mixer trucks.

[0071] Specifically, please refer to Figure 1 , at least three axles include a first axle 120, a second axle 130, a third axle 140 and a fourth axle 150, at least two first power battery packs 200 are provided in three, and at least two second power battery packs 300 are provided in two; one of the three first power battery packs 200 is arranged on the first axle 120, another one of the three first power battery packs 200 is arranged on the second axle 130, and yet another one of the three first power battery packs 200 is arranged between the second axle 130 and the third axle 140; the two second power battery packs 300 are correspondingly arranged outside the two longitudinal beams 110.

[0072] In this embodiment, each first power battery pack 200 and each second power battery pack are evenly arranged on the two longitudinal beams 110, which can maximize the use of the space of the vehicle's chassis structure; and within the limited space of the chassis structure, the arrangement of the largest number of power battery packs is realized, the total battery capacity of the vehicle is relatively large, and the endurance of the vehicle is relatively strong.

[0073] In some embodiments, both the third axle 140 and the fourth axle 150 are electric drive axles.

[0074] Vehicles in the related art adopt a central drive method, that is, the motor, transmission and drive shaft of the vehicle are all arranged in the middle of the vehicle frame 100, occupying a relatively large amount of chassis space, resulting in a relatively low space utilization rate of the vehicle's chassis structure. Therefore, in this embodiment, by setting the third axle 140 and the fourth axle 150 as electric drive axles, and the electric drive axles integrally set the motor, transmission and drive shaft, not only can the overall mass of the vehicle be reduced, but also the space of the chassis structure can be saved, providing space conditions for the flat laying of the power battery packs.

[0075] It should be noted that the present utility model does not limit the capacities of the first power battery pack 200 and the second power battery pack 300, which can be set according to requirements. Exemplarily, both the first power battery pack 200 and the second power battery pack 300 include two power battery units, and the capacity of each power battery unit is 35 kWh, so that the total capacity of the power batteries of the vehicle is 350 kWh.

[0076] The embodiment of the present utility model also provides a vehicle, including a vehicle body and a chassis structure of any one of the foregoing vehicles connected to the vehicle body.

[0077] Specifically, all the technical solutions of the chassis structure of any one of the foregoing vehicles are adopted in the vehicle of this embodiment. Therefore, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be elaborated herein one by one.

[0078] Those skilled in the art will readily conceive of other embodiments of the present utility model after considering the specification and practicing the utility model disclosed herein. The present utility model is intended to cover any variations, uses, or adaptations of the present utility model, which follow the general principles of the present utility model and include known common knowledge or conventional technical means in the technical field not disclosed by the present utility model. The specification and the embodiments are only regarded as exemplary, and the true scope and spirit of the present utility model are pointed out by the following claims.

[0079] It should be understood that the present utility model is not limited to the exact structures described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of the present utility model is only limited by the appended claims.

Claims

1. A chassis structure of a vehicle, characterized in that: include: a vehicle frame, the vehicle frame comprising two longitudinal beams; At least three axles, the axles being arranged on the two longitudinal beams, and the axles being arranged in sequence along the length direction of the longitudinal beams; at least two first power battery packs, wherein the first power battery packs are arranged between the two longitudinal beams, and the first power battery packs are arranged in sequence along the length direction of the longitudinal beam; At least two second power battery packs, wherein the at least two second power battery packs are correspondingly arranged on the outer sides of the two longitudinal beams along the width direction of the longitudinal beam; At least two first battery holders, wherein the first battery holders include: A support member, on which the first power battery pack is arranged; At least two supporting legs, at least two of the supporting legs are correspondingly connected to the opposite sides of the supporting member, and at least two of the supporting legs are also correspondingly connected to the two longitudinal beams.

2. The chassis structure of a vehicle according to claim 1, characterized in that: The supporting legs include: a first fixing section, wherein the first fixing section is connected to the supporting member; an extension section, the extension section being connected to the first fixing section, the extension section extending in a direction of the first fixing section away from the support member, and the extension section extending to a side of one of the two longitudinal beams away from the other; A second fixing section is connected to the extension section so that the second fixing section can be connected to a side of one of the two longitudinal beams facing away from the other.

3. The chassis structure of a vehicle according to claim 2, characterized in that: The supporting leg further includes a reinforcing rib disposed on at least one of the first fixing section, the extending section, and the second fixing section.

4. The chassis structure of a vehicle according to claim 1, characterized in that: Also included are at least two second battery brackets, each of which comprises: A box body, wherein the box body has a first accommodating cavity, the first accommodating cavity has a cavity opening, the second power battery pack is arranged in the first accommodating cavity, and the cavity opening faces the longitudinal beam; A connecting piece, through which the box body is connected to the longitudinal beam.

5. The chassis structure of a vehicle according to claim 4, characterized in that: The connecting piece comprises: A first connecting section and two second connecting sections connected on opposite sides of the first connecting section, the first connecting section protrudes from a side of the second connecting section facing the box body, the first connecting section is connected to the box body, and the second connecting section is connected to the longitudinal beam.

6. The chassis structure of a vehicle according to claim 4, characterized in that: The box body also has a second accommodating cavity, and the second accommodating cavity is used to accommodate other components of the vehicle.

7. The chassis structure of a vehicle according to any one of claims 1 to 6, characterized in that: The at least three axles include a first axle, a second axle, a third axle and a fourth axle, at least two of the first power battery packs are provided with three, and at least two of the second power battery packs are provided with two; One of the three first power battery packs is arranged on the first axle, another of the three first power battery packs is arranged on the second axle, and another of the three first power battery packs is arranged between the second axle and the third axle; The two second power battery packs are correspondingly arranged on the outer sides of the two longitudinal beams.

8. The chassis structure of a vehicle according to claim 7, characterized in that: The third axle and the fourth axle are both electric drive axles.

9. A vehicle, characterized in that: A chassis structure of a vehicle according to any one of claims 1 to 8, comprising a vehicle body and the vehicle body.

Images