Side hanging type lightweight battery frame structure of new energy heavy truck

Abstract

The utility model relates to the technical field of battery frames of battery changing heavy trucks, in particular to a side hanging type light-weight battery frame structure of a new energy heavy truck. The utility model relates to an integrated cast aluminum connecting piece, which comprises a plurality of groups of integrated cast aluminum connecting pieces, a battery mounting beam and an aluminum frame reinforcing beam, wherein the battery mounting beam is matched with the integrated cast aluminum connecting pieces for assembling the integrated cast aluminum connecting pieces, and the aluminum frame reinforcing beam is used for splicing the integrated cast aluminum connecting pieces for mounting and fixing. And the integrated cast aluminum connecting pieces at the two ends are spliced together to form the mounting frame. The utility model has the beneficial effects that the integrated cast aluminum connecting piece is arranged in the technical scheme, and various assembly modes are realized through the matched assembly of the battery mounting beam and the aluminum frame reinforcing beam, so that the battery mounting structure is suitable for different situations, the practicability is improved, the battery mounting structure is suitable for different heavy truck structures, and the battery mounting structure is fixed through simple screws and bolts; the assembly process is simple, short in period and low in cost; by adopting an all-aluminum structure, the advantage of light weight is obvious, and the weight is reduced by about 50% compared with that of a steel battery frame.

Description

Technical Field

[0001] The utility model relates to the technical field of battery frames for battery-swap heavy-duty trucks, and in particular to a side-mounted lightweight battery frame structure for new energy heavy-duty trucks. Background Art

[0002] Faced with the ever-growing logistics and sanitation industries, new energy heavy-duty trucks have become a trend. In order to meet the needs of the rapid development of new energy electric heavy-duty trucks, the power battery frame, as an important component of heavy-duty trucks, lightweight, safe, and expandable battery brackets are increasingly becoming the research direction of automobile companies.

[0003] The existing technology, application number: 2023217169543, is a battery frame for heavy-duty trucks with battery swapping. The battery bracket is mostly a steel pipe welded structure, which is heavy, has a large number of parts, a complex process, and is difficult to control welding deformation. At the same time, the steel welded structure has poor scalability. Replacing the number and model of batteries will cause changes in the number of parts and welding fixtures, thereby increasing the development cycle and cost. In addition, the welded frame is inconvenient to repair and disassemble, and has high requirements for maintenance equipment, sites and workers.

[0004] Therefore, it is necessary to design a new energy heavy-duty truck side-mounted lightweight battery frame structure to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a side-mounted lightweight battery frame structure for new energy heavy trucks to overcome the above-mentioned deficiencies in the current prior art.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A side-mounted lightweight battery frame structure for a new energy heavy-duty truck comprises several groups of one-piece cast aluminum connectors, battery mounting beams for assembling the one-piece cast aluminum connectors, and aluminum frame reinforcement beams for splicing and fixing the one-piece cast aluminum connectors. The battery mounting beams are placed between the one-piece cast aluminum connectors, and the one-piece cast aluminum connectors at both ends are spliced ​​together to form a mounting frame. The rear end side of the one-piece cast aluminum connector is mounted in conjunction with the aluminum frame reinforcement beams through bolts and nuts. The one-piece cast aluminum connector is provided with horizontal transverse shell mounting holes on both the front and rear sides, and the rear end face of the one-piece cast aluminum connector is provided with frame mounting holes in the horizontal longitudinal direction. Several groups of threaded holes are also provided on both sides of the battery mounting beam.

[0008] Preferably, a plurality of assembly holes are provided on the aluminum frame reinforcement beam, and the one-piece cast aluminum connectors can be staggered in upper and lower layers and assembled with the aluminum frame reinforcement beams respectively.

[0009] Preferably, the one-piece cast aluminum connector has a fan-shaped structure, a plurality of process grooves are provided on the one-piece cast aluminum connector, and reinforcing ribs are also provided on the one-piece cast aluminum connector.

[0010] Preferably, the threaded holes are arranged in a one-to-one correspondence with the frame mounting holes.

[0011] Preferably, a mounting boss is further provided outwardly on the side of the battery mounting beam, and a battery mounting hole is opened on the mounting boss.

[0012] The beneficial effects of the present utility model are as follows: the present technical solution sets an integrated cast aluminum connector, and realizes a variety of assembly methods through the coordinated assembly of the battery mounting beam and the aluminum frame reinforcement beam, so as to adapt to different situations for practical use, increase practicality, adapt to different heavy-duty truck structures, and fix them with simple screws and bolts. The assembly process is simple, the cycle is short, and the cost is low; the all-aluminum structure is adopted, and the lightweight advantage is obvious, which reduces the weight by about 50% compared with the steel battery frame, effectively extending the battery life. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural diagram of a side-mounted lightweight battery frame structure for a new energy heavy-duty truck according to the present utility model;

[0014] Figure 2 This is a partial enlarged view of a side-mounted lightweight battery frame structure for a new energy heavy-duty truck of the present utility model;

[0015] Figure 3 This is a schematic diagram of the overall assembly of a side-mounted lightweight battery frame structure for a new energy heavy-duty truck according to the present utility model;

[0016] Figure 4 This is a general assembly diagram of a side-mounted lightweight battery frame structure for a new energy heavy-duty truck according to the present utility model;

[0017] Figure 5 This is a schematic diagram of the widened assembly of a side-mounted lightweight battery frame structure for a new energy heavy-duty truck according to the present utility model;

[0018] Figure 6 This is a schematic diagram of the multi-layer assembly of a side-mounted lightweight battery frame structure for a new energy heavy-duty truck according to the present utility model;

[0019] Figure 7 This is a schematic diagram of an H-shaped assembly of a side-mounted lightweight battery frame structure for a new energy heavy-duty truck according to the present utility model;

[0020] In the figure: 1. One-piece cast aluminum connector; 2. Battery mounting beam; 3. Aluminum frame reinforcement beam; 31. Assembly hole; 11. Shell mounting hole; 12. Process groove; 13. Reinforcement rib; 14. Frame mounting hole; 21. Threaded hole; 22. Mounting boss; 23. Battery mounting hole; 4. Enclosure; 5. Middle beam. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0023] Reference Figures 1 to 3 A lightweight side-mounted battery frame structure for new energy heavy-duty trucks includes several sets of integrated cast aluminum connectors (1), battery mounting beams (2) for assembling the integrated cast aluminum connectors, and aluminum frame reinforcement beams (3) for attaching and securing the integrated cast aluminum connectors. The integrated cast aluminum connectors provide strong overall rigidity and a high degree of component integration, reducing the number of parts and saving assembly time. The integrated castings and profiled mounting beams can be connected with bolts and pre-threaded connections to form a single-layer bracket. Each bracket can be disassembled and used separately, achieving a high degree of modularity and reducing assembly time to meet rapid production schedules.

[0024] The battery mounting beam 2 is placed between the one-piece cast aluminum connectors 1, and the one-piece cast aluminum connectors 1 at both ends are spliced ​​together to form a mounting frame, and at least two groups are provided, which are respectively installed at the front end and the rear end of the one-piece cast aluminum connector 1;

[0025] The rear end side of the one-piece cast aluminum connector 1 is mounted in conjunction with the aluminum frame reinforcement beam 3 and is fixedly connected by bolts and nuts. In order to facilitate the installation of multiple sets of one-piece cast aluminum connectors 1, a plurality of assembly holes 31 are opened on the aluminum frame reinforcement beam 3. According to the installation requirements, the one-piece cast aluminum connector 1 can be staggered up and down to be assembled with the aluminum frame reinforcement beam 3 respectively.

[0026] The one-piece cast aluminum connector 1 is provided with horizontal transverse housing mounting holes 11 on both the front and rear sides. The housing mounting holes are used to cooperate with the battery mounting beam 2 for fixed connection. The one-piece cast aluminum connector 1 has a fan-shaped structure, which limits the side of the battery box. At the same time, the arc-shaped portion facilitates the removal of the battery box and provides an avoidance area, which can save materials and costs. In order to not affect the strength and reduce the weight, a number of process grooves 12 are opened on the one-piece cast aluminum connector 1, and the one-piece cast aluminum connector 1 is also provided with reinforcing ribs 13 to improve the stability and strength of the overall structure.

[0027] In order to cooperate with the aluminum frame reinforcement beam 3 for fixation, a frame mounting hole 14 is provided horizontally and longitudinally on the rear end surface of the one-piece cast aluminum connector 1; the entire bracket is bolted, avoiding thermal deformation and heat loss caused by aluminum welding, with high assembly accuracy, stable and reliable connection, and simple maintenance.

[0028] In order to facilitate installation with the integrated cast aluminum connector 1, a plurality of groups of threaded holes 21 are provided on both sides of the battery mounting beam 2, and the threaded holes 21 correspond one-to-one to the frame mounting holes 14. In order to facilitate the installation and fixation of the battery, the side of the battery mounting beam 2 is further provided with a mounting boss 22, and a battery mounting hole 23 is opened on the mounting boss.

[0029] Implementation Case 1, reference Figure 4 、 Figure 5 The one-piece cast aluminum connector 1 is installed symmetrically on the left and right, and a group of battery mounting beams 2 are installed at the front and rear ends between the two, and the mounting holes are connected respectively and fixed by screws to form a frame, so that the battery is installed in the middle. The mounting bosses on both sides of the battery mounting beam 2 are used to install the battery. At the same time, the battery mounting beam can be used as needed. The battery mounting beams are connected by threaded connectors to adjust the length, so as to cooperate with large-size batteries for installation, which is suitable for installation of different models; the profile battery mounting beam can be positioned for installation of different battery models by changing the machine hole position and length.

[0030] Implementation Case 2, reference Figure 6 According to the implementation case 1, several groups of frames are installed, and one side of the integrated cast aluminum connector 1 of the assembled frame is installed on the side of the battery mounting beam 2, and then installed in sequence from bottom to top on the battery mounting beam 2 to form staggered layers, thereby realizing multi-layer battery pack placement; the aluminum frame reinforcement beam can be assembled with multiple single-layer brackets to realize the installation of different numbers of batteries without increasing investment, meeting the needs of the continuous and rapid development of new energy electric heavy-duty trucks.

[0031] Implementation Case 3, reference Figure 7According to the method of implementation case 2, after the multi-layer installation, the two groups of multi-layers are placed symmetrically on the left and right, and the multi-layer frames on both sides are installed through the middle beam 5. One end of the middle beam is fixed to the aluminum frame reinforcement beam on the left, and the other end is installed with the aluminum frame reinforcement beam on the right, forming an H-shaped structure. The structure is easy to expand without additional investment costs, and diversified assembly is achieved. Enclosures 4 can also be installed on the outside of the frame;

[0032] The benefits of the present invention are that the technical solution sets an integrated cast aluminum connector, which is assembled with the battery mounting beam and the aluminum frame reinforcement beam to achieve a variety of assembly methods, so as to adapt to different situations for practical use, increase practicality, adapt to different heavy-duty truck structures, and is fixed by simple screws and bolts. The assembly process is simple, the cycle is short, and the cost is low; the all-aluminum structure is adopted, and the lightweight advantage is obvious, which reduces the weight by about 50% compared to the steel battery frame, effectively extending the battery life.

[0033] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A side-mounted lightweight battery frame structure for new energy heavy-duty trucks, characterized by: It includes several groups of one-piece cast aluminum connectors, battery mounting beams used to assemble the one-piece cast aluminum connectors, and aluminum frame reinforcement beams used to splice and fix the one-piece cast aluminum connectors. The battery mounting beams are placed between the one-piece cast aluminum connectors, and the one-piece cast aluminum connectors at both ends are spliced ​​together to form a mounting frame. The rear end side of the one-piece cast aluminum connector is installed with the aluminum frame reinforcement beam through bolts and nuts. The one-piece cast aluminum connector is provided with horizontal transverse shell mounting holes on both the front and rear sides, and the rear end surface of the one-piece cast aluminum connector is provided with a frame mounting hole horizontally and longitudinally. Several groups of threaded holes are also provided on both sides of the battery mounting beam.

2. The side-mounted lightweight battery frame structure for new energy heavy trucks according to claim 1 is characterized by: A plurality of assembly holes are provided on the aluminum frame reinforcement beam, and the integral cast aluminum connectors can be arranged in staggered layers up and down to be assembled with the aluminum frame reinforcement beams respectively.

3. The side-mounted lightweight battery frame structure for new energy heavy trucks according to claim 1 is characterized by: The one-piece cast aluminum connector is in a fan-shaped structure, a plurality of process grooves are opened on the one-piece cast aluminum connector, and reinforcing ribs are also provided on the one-piece cast aluminum connector.

4. The side-mounted lightweight battery frame structure for new energy heavy-duty trucks according to claim 1 is characterized by: The threaded holes are arranged in a one-to-one correspondence with the frame mounting holes.

5. The side-mounted lightweight battery frame structure for new energy heavy trucks according to claim 1 is characterized by: The side of the battery mounting beam is further provided with a mounting boss facing outward, and a battery mounting hole is opened on the mounting boss.

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