Middle-mounted power battery frame and vehicle

Abstract

The utility model provides a middle-mounted power battery frame and a vehicle. The middle-mounted power battery frame is arranged between two longitudinal beams of a vehicle frame of a vehicle and comprises two tray assemblies, a plurality of power battery assemblies and a plurality of power battery assemblies, the plurality of pairs of transition brackets are arranged at intervals along the longitudinal direction of the frame; the multiple pairs of mounting supports correspond to the multiple pairs of transition supports respectively and are used for mounting the tray assemblies and the transition supports on a frame, each pair of transition supports is located on the two side portions of each tray assembly respectively, and the lower end portion and the middle portion of each transition support are connected with the two tray assemblies respectively. And each mounting bracket is connected with the upper end part of the corresponding transition bracket and is fixed on the inner side surface of the corresponding longitudinal beam. A shock pad is arranged between the transition support and the corresponding installation support, a limiting boss is arranged on the shock pad, and a limiting installation hole matched with the limiting boss is formed in the transition support.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the vehicle chassis technical field, concretely relates to a middle -mounted power battery frame and vehicle. BACKGROUND

[0002] At present, the chassis battery arrangement in the field of new energy commercial vehicle is arranged on both sides of the frame, and the power battery frame is also designed on both sides of the frame.

[0003] The existing power battery frame arranged on both sides of the frame mainly has the following problems: (1) when arranging large power battery, the power battery frame often needs to be arranged on three sides, which sacrifices the whole vehicle ground clearance, thereby reducing the passability of the whole vehicle chassis, and since the ground clearance of the battery frame is small, the power battery is easy to knock the road foreign matter, which causes certain safety risk of the power battery pack; (2) the overall frame is relatively complex when assembling the side-mounted battery, which affects the flow line operation rhythm; (3) the side-mounted power battery frame is rigidly connected with the frame, and when the whole vehicle is twisted, the frame and the power battery are twisted greatly, and the strength / stiffness of the frame and the power battery pack itself is required to be high. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the above-mentioned problems of the prior art, the utility model aims at providing a middle-mounted power battery frame and vehicle.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] <Scheme one>

[0007] The utility model provides a middle-mounted power battery frame, which is arranged between the two longitudinal beams of the frame of the vehicle, and has the following characteristics: two tray assemblies are arranged in an upper and lower interval; a plurality of pairs of transition supports are arranged in an interval along the longitudinal direction of the frame; and a plurality of pairs of mounting supports are respectively corresponding to the plurality of pairs of transition supports, and are used for mounting the tray assemblies and the transition supports on the frame, wherein each pair of transition supports is located at the two side portions of the tray assemblies, the lower end portion and the middle portion of each transition support are respectively connected with the two tray assemblies, each mounting support is connected with the upper end portion of the corresponding transition support, and is fixed on the inner side surface of the corresponding longitudinal beam.

[0008] In the middle-mounted power battery frame provided by the utility model, the transition support and the corresponding mounting support can be provided with a damping pad.

[0009] In the middle-mounted power battery frame provided by the utility model, the damping pad can be provided with a limiting boss, and the transition support can be provided with a limiting mounting hole matched with the limiting boss.

[0010] In the middle formula power battery framework provided by the utility model, still can have such feature: still include: skin, set up in the upper end part of multiple pairs of transition support.

[0011] In the middle formula power battery framework provided by the utility model, still can have such feature: wherein, skin is installed on multiple pairs of transition support through skin fixed framework, and skin fixed framework is the structure of the field.

[0012] In the middle formula power battery framework provided by the utility model, still can have such feature: wherein, skin is segmented structure

[0013] In the middle formula power battery framework provided by the utility model, still can have such feature: still include: bottom guard plate, located the bottom of the lowest tray assembly and with multiple pairs of transition support is connected.

[0014] <second scheme>

[0015] The utility model also provides a kind of vehicle, with such features, including the middle formula power battery framework of <first scheme>.

[0016] Practical new effect

[0017] According to the middle formula power battery framework and vehicle involved in the utility model, since two tray assemblies are arranged in upper and lower intervals, multiple pairs of transition supports are arranged along the longitudinal direction of the frame, each pair of transition supports is located at the two side portions of the tray assembly, the lower end portion and the middle portion of each transition support are connected with the two tray assemblies respectively to form a frame assembly, multiple pairs of mounting supports correspond to multiple pairs of transition supports, each mounting support is connected with the upper end portion of the corresponding transition support and is fixed on the inner side surface of the corresponding longitudinal beam, so that the frame assembly formed by the tray assembly and the transition support is mounted on the frame, so that only frame assembly and mounting support need to be assembled in hoisting assembly line operation, the number of installed parts required in assembly line operation is greatly reduced, the assembly process is simple and efficient, and the pace of assembly line operation is improved. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the structure schematic view of the middle formula power battery framework in the embodiment of the utility model;

[0019] Figure 2 It is the cooperation relationship schematic view of the middle formula power battery framework and frame in the embodiment of the utility model;

[0020] Figure 3 It is the structure schematic view of the middle formula power battery framework in the embodiment of the utility model Figure 1 Part A of the utility model embodiment is a partial enlarged schematic view;And

[0021] Figure 4 is a schematic view of the cooperation relationship between the tray assembly and the power battery in the embodiment of the utility model. DETAILED DESCRIPTION

[0022] The utility model will be combined with the drawings below to make further explanation to the concept, specific structure and the technical effect of the utility model, so as to fully understand the purpose, features and effects of the utility model.

[0023] <EMBODIMENT>

[0024] As Figures 1 to 3 shown, in the embodiment, the middle-mounted power battery frame is arranged between the two longitudinal beams 9 of the frame, including two tray assemblies 3, four pairs of transition supports 2, a skin 7, a bottom guard plate 5 and four pairs of mounting supports 1.

[0025] As Figure 1 and Figure 2 shown, the two tray assemblies 3 are arranged in an upper and lower interval. In the embodiment, the tray assembly 3 is a welded tray assembly made of sheet metal splicing, and the two sides are provided with line bundle support mounting holes. Of course, according to actual needs, the tray assembly 3 can also be made of profile splicing.

[0026] As Figures 1 to 3 shown, the four pairs of transition supports 2 are arranged along the longitudinal direction of the frame and are used for fixing and supporting the two tray assemblies 3 to form a frame assembly. Each pair of transition supports 2 is located at the two side portions of the tray assembly 3, and the lower end portion and the middle portion of each transition support 2 are connected with the two tray assemblies 3 respectively to form the frame assembly.

[0027] As Figure 1 and Figure 2 shown, the skin 7 is arranged at the upper end portion of the four pairs of transition supports 2. In the embodiment, the skin 7 is installed on the four pairs of transition supports 2 through the skin fixing framework 6 of the checkboard structure, and the skin 7 is provided with a reinforcing rib to improve the carrying strength of the skin. Moreover, the skin fixing framework 6 can support the stepping, so that the vehicle does not need to be additionally provided with an operation platform, the appearance of the vehicle bottom is improved, the types of vehicle parts are reduced, and the vehicle function integration is higher. The skin 7 adopts a segmented structure composed of a front skin 7-1, a middle skin 7-2 and a rear skin 7-3, so that the size of the single skin is small, facilitating transportation and assembly.

[0028] As Figure 1 shown, the bottom guard plate 5 is located at the bottom of the lowest tray assembly 3 and is connected with the lower end portion of the four pairs of transition supports 2, avoiding the power battery pack 8 in the frame assembly from being damaged by the impact of gravel.

[0029] As Figures 1 to 3As shown, four pairs of mounting brackets 1 correspond to four pairs of transition brackets 2, for mounting the tray assembly 3 and the transition bracket 2 on the vehicle frame. Specifically, each mounting bracket 1 is connected to the upper end of the corresponding transition bracket 2 and is fixed on the inner side of the corresponding longitudinal beam 9. In this embodiment, a shock pad 4 is arranged between the transition bracket 2 and the corresponding mounting bracket 1; the shock pad is provided with two limiting bosses 41, and the transition bracket 2 is provided with two limiting mounting holes 21 matched with the two limiting bosses 41.

[0030] In this embodiment, the assembly of the middle-mounted power battery frame adopts an offline sub-assembly mode, and the assembly process is specifically as follows:

[0031] Step S1, sub-assembly of the tray assembly 3 and the power battery 8, as shown in Figure 4 .

[0032] Step S2, assembly of the transition bracket 2 on both sides of the tray assembly 7.

[0033] Step S3, fixing the mounting bracket 1 on the inner side of the two longitudinal beams 9 of the vehicle frame.

[0034] Step S4, hoisting the whole composed of the tray assembly 3 and the transition bracket 2 on the mounting bracket 1.

[0035] Step S5, sequentially assembling the skin fixing framework 6 and the skin 7 on the upper end of the transition bracket 2, and assembling the bottom guard plate 5 on the lower end of the transition bracket 2, thereby completing the assembly of the middle-mounted power battery frame, as shown in Figure 2 .

[0036] Effects of the embodiment

[0037] According to the middle-mounted power battery frame and the vehicle involved in this embodiment, the two tray assemblies are arranged in an upper-lower interval, and the multiple pairs of transition brackets are arranged in an interval along the longitudinal direction of the vehicle frame. Each pair of transition brackets is located at the two side portions of the tray assemblies, the lower end and the middle portion of each transition bracket are connected to the two tray assemblies respectively to form a frame assembly, and the multiple pairs of mounting brackets correspond to the multiple pairs of transition brackets. Each mounting bracket is connected to the upper end of the corresponding transition bracket and is fixed on the inner side of the corresponding longitudinal beam, thereby mounting the frame assembly formed by the tray assemblies and the transition brackets on the vehicle frame. This makes it only necessary to assemble the frame assembly and the mounting bracket in the hoisting assembly line operation, greatly reduces the number of installed parts required in the assembly line operation, simplifies the assembly process, improves the pace of the assembly line operation, and improves the reliability of the overall frame.

[0038] In addition, because the shock pad is arranged between the transition bracket and the corresponding mounting bracket, the adverse effects caused by the torsion of the vehicle frame can be greatly reduced, thereby improving the reliability of the overall frame.

[0039] In addition, because the shock-absorbing pad is equipped with a limiting boss, and the transition bracket is equipped with a limiting mounting hole that matches the limiting boss, it is convenient to accurately align the mounting holes of the shock-absorbing pad and the transition bracket during the installation process.

[0040] In addition, because it also includes a skin, which is set at the upper end of multiple pairs of transition brackets, it avoids the risk of power battery failure caused by rainwater and dust entering the frame, and also avoids the risk of gravel hitting the power battery inside the frame.

[0041] In addition, because the skin is mounted on multiple pairs of transition brackets through a skin fixing frame with a grid structure, the load-bearing strength of the skin is improved, allowing the skin to support stepping, thus eliminating the need for an operating platform and reducing the number of vehicle parts.

[0042] In addition, because the skin has a segmented structure, it is easier to process and manufacture, and the overall flatness is easier to ensure; moreover, the size of a single skin piece is small, making it convenient for transportation.

[0043] In addition, because it also includes a bottom guard plate, which is located at the bottom of the lowest tray assembly and connected to multiple pairs of transition brackets, it provides good protection for the bottom of the frame and further improves the safety of the battery frame.

[0044] The above embodiments are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model.

Claims

1. A mid-located traction battery frame arranged between two longitudinal beams of a vehicle frame, characterized in that The application relates to a middle-mounted power battery frame. The frame comprises: two tray assemblies arranged in an upper-lower interval; a plurality of pairs of transition supports arranged in a longitudinal direction of the frame; and a plurality of pairs of mounting supports corresponding to the plurality of pairs of transition supports respectively, used for mounting the tray assemblies and the transition supports on the frame, wherein each pair of the transition supports is located at two side portions of the tray assemblies respectively, a lower end portion and a middle portion of each of the transition supports are connected to the two tray assemblies respectively, each of the mounting supports is connected to an upper end portion of the corresponding transition support and fixed on an inner side of the corresponding longitudinal beam.

2. The middle-mounted power battery frame according to claim 1, wherein: wherein a damping pad is arranged between the transition support and the corresponding mounting support.

3. The middle-mounted power battery frame according to claim 2, wherein: wherein a limiting boss is arranged on the damping pad, a limiting mounting hole matched with the limiting boss is arranged on the transition support.

4. The mid-positioned power battery frame according to claim 1, characterized in that, The application further comprises: a skin arranged at upper end portions of the plurality of pairs of transition supports.

5. The middle-mounted power battery frame according to claim 4, wherein: wherein, the skin is mounted on the plurality of pairs of transition supports through a skin fixing framework, the skin fixing framework is in a checkboard structure.

6. The middle-mounted power battery frame according to claim 4 or 5, wherein: wherein the skin is in a segmented structure.

7. The mid-positioned power battery frame according to claim 1, characterized in that, The application further comprises: a bottom guard plate located at a bottom of the lowermost tray assembly and connected to the plurality of pairs of transition supports.

8. A vehicle characterized by comprising: The application comprises the middle-mounted power battery frame according to any one of claims 1-7.

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