Battery replacement frame of pure electric light truck type

Abstract

The utility model relates to the technical field of pure electric light truck structures, in particular to a pure electric light truck type battery replacement frame which comprises a battery pack right installation cross beam and a battery pack left installation cross beam, and a battery pack front reinforcing beam is welded to the foremost end of the lower side of the battery pack right installation cross beam and the foremost end of the lower side of the battery pack left installation cross beam. A battery pack rear reinforcing beam is welded to the rearmost ends of the lower sides of the battery pack right installation cross beam and the battery pack left installation cross beam, and the top of the battery pack front reinforcing beam and the top of the battery pack rear reinforcing beam are each connected with a pair of symmetrically-distributed cross beam installation supports through bolts. Through the arrangement of the cross beam mounting bracket, the battery plug-in mounting bracket and the battery replacement lock mounting body mounting point, the frame overcomes the precision problem of existing metal plate punching and welding, integrates the advantage of structural diversity of a metal plate part support, avoids the lengthy battery pack development and verification period, and is short in development period, flexible in design change, low in cost and easy to popularize and use. And the framework can be suitable for various battery packs and has relatively good universality.

Description

Technical Field

[0001] The utility model relates to the technical field of pure electric light truck structures, and particularly to a battery swapping frame for pure electric light truck models. Background Technique

[0002] Traditional vehicles use gasoline or diesel as energy, and a large amount of carbides will be generated during vehicle operation, causing certain pollution. With the enhancement of environmental awareness, pure electric light truck models have gradually been applied.

[0003] In some existing pure electric light truck models, the battery pack is directly installed on the longitudinal beam, and the battery pack is suspended on both sides of the longitudinal beam. The battery pack has poor universality, and the battery pack shells of different models need to be re-developed, resulting in a long development cycle and high costs. Therefore, a battery swapping frame for pure electric light truck models is proposed for the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a battery swapping frame for pure electric light truck models to solve the problems that in some existing pure electric light truck models, the battery pack is directly installed on the longitudinal beam, the battery pack is suspended on both sides of the longitudinal beam, the battery pack has poor universality, and the battery pack shells of different models need to be re-developed, resulting in a long development cycle and high costs.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A battery swapping frame for pure electric light truck models includes a right battery pack mounting cross beam and a left battery pack mounting cross beam. At the frontmost end of the lower sides of the right battery pack mounting cross beam and the left battery pack mounting cross beam, a front battery pack strengthening beam is welded. At the rearmost end of the lower sides of the right battery pack mounting cross beam and the left battery pack mounting cross beam, a rear battery pack strengthening beam is welded. On the tops of the front battery pack strengthening beam and the rear battery pack strengthening beam, a pair of symmetrically distributed cross beam mounting brackets are bolted. On the relative inner sides of the right battery pack mounting cross beam and the left battery pack mounting cross beam, two pairs of symmetrically distributed cross beam mounting brackets are bolted. On the left side of the right battery pack mounting cross beam, a battery plug mounting bracket is fixedly connected. On the bottoms of the right battery pack mounting cross beam and the left battery pack mounting cross beam, five battery swapping lock body mounting points are fixedly connected at equal distances in the front-rear direction.

[0007] Preferably, the right battery pack mounting cross beam, the left battery pack mounting cross beam, the front battery pack strengthening beam, and the rear battery pack strengthening beam are all made of pipe beam materials. The right battery pack mounting cross beam and the left battery pack mounting cross beam are horizontally distributed in the front-rear direction, and the front battery pack strengthening beam and the rear battery pack strengthening beam are horizontally distributed in the left-right direction.

[0008] Preferably, triangular welding plates are provided on the relative inner sides of the right mounting crossbeam and the left mounting crossbeam of the battery pack, and two limiting pieces are provided on the relative outer sides of the right mounting crossbeam and the left mounting crossbeam of the battery pack.

[0009] Preferably, the limiting pieces on the front sides of the right mounting crossbeam and the left mounting crossbeam of the battery pack are respectively in contact with the left and right ends of the front strengthening beam of the battery pack, and the limiting pieces on the rear sides of the right mounting crossbeam and the left mounting crossbeam of the battery pack are respectively in contact with the left and right ends of the rear strengthening beam of the battery pack.

[0010] Preferably, the crossbeam mounting brackets are all triangular stamping brackets, the right side surfaces of the crossbeam mounting brackets on the left side are aligned, and the left side surfaces of the crossbeam mounting brackets on the right side are aligned.

[0011] Preferably, the battery plug-in mounting bracket is a rectangular stamping bracket, the battery plug-in mounting bracket is symmetric front and back, and the battery plug-in mounting bracket is provided with multiple pairs of bolt connection holes.

[0012] Preferably, the installation points of the battery swapping lock body are all of rectangular plate structure, two pairs of bolt connection holes are provided on the installation points of the battery swapping lock body, and the width of the installation points of the battery swapping lock body in the left-right direction is greater than the width of the right mounting crossbeam and the left mounting crossbeam of the battery pack in the left-right direction.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] In the present utility model, through the provided crossbeam mounting brackets, battery plug-in mounting brackets and installation points of the battery swapping lock body, the frame overcomes the accuracy problems of existing sheet metal punching and welding, and at the same time combines the advantages of the diversity of the sheet metal part support structure, avoiding the long battery pack development and verification cycle. It has a short development cycle, flexible design changes, low cost, and the frame can be applicable to multiple battery packs, having good versatility. Description of the Drawings

[0015] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0016] Figure 2 is a schematic diagram of the structure of the crossbeam mounting bracket of the present utility model.

[0017] In the figure: 1. Right mounting crossbeam of the battery pack; 2. Left mounting crossbeam of the battery pack; 3. Front strengthening beam of the battery pack; 4. Rear strengthening beam of the battery pack; 5. Crossbeam mounting bracket; 6. Battery plug-in mounting bracket; 7. Installation point of the battery swapping lock body. Detailed Embodiment

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0019] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom", etc. is usually based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description. Without contrary description, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, it should not be construed as limiting the protection scope of the present invention; the orientation words "inside, outside" refer to the inside and outside relative to the contour of each component itself.

[0020] In addition, it should be noted that the use of words such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Without additional declaration, the above words have no special meaning. Therefore, it should not be construed as limiting the protection scope of the present invention.

[0021] Please refer to Figure 1-2 , the present invention provides a technical solution:

[0022] A pure electric light truck model battery swapping frame, including a battery pack right mounting cross beam 1 and a battery pack left mounting cross beam 2. The frontmost ends of the lower sides of the battery pack right mounting cross beam 1 and the battery pack left mounting cross beam 2 are welded with a battery pack front reinforcing beam 3. The rearmost ends of the lower sides of the battery pack right mounting cross beam 1 and the battery pack left mounting cross beam 2 are welded with a battery pack rear reinforcing beam 4. A pair of symmetrically distributed cross beam mounting brackets 5 are bolted to the tops of the battery pack front reinforcing beam 3 and the battery pack rear reinforcing beam 4. Two pairs of symmetrically distributed cross beam mounting brackets 5 are bolted to the relative inner sides of the battery pack right mounting cross beam 1 and the battery pack left mounting cross beam 2. A battery plug mounting bracket 6 is fixedly connected to the left side of the battery pack right mounting cross beam 1. Five battery swapping lock body mounting points 7 are fixedly connected to the bottoms of the battery pack right mounting cross beam 1 and the battery pack left mounting cross beam 2 at equal distances in the front-rear direction.

[0023] The right mounting crossbeam 1 of the battery pack, the left mounting crossbeam 2 of the battery pack, the front reinforcing beam 3 of the battery pack, and the rear reinforcing beam 4 of the battery pack are all made of tubular beam materials. The right mounting crossbeam 1 of the battery pack and the left mounting crossbeam 2 of the battery pack are horizontally distributed in the front-rear direction. The front reinforcing beam 3 of the battery pack and the rear reinforcing beam 4 of the battery pack are horizontally distributed in the left-right direction. The front reinforcing beam 3 of the battery pack and the rear reinforcing beam 4 of the battery pack can be fixed by the right mounting crossbeam 1 of the battery pack and the left mounting crossbeam 2 of the battery pack. Triangular welding plates are provided on the relative inner sides of the right mounting crossbeam 1 of the battery pack and the left mounting crossbeam 2 of the battery pack. Two limit pieces are provided on the relative outer sides of the right mounting crossbeam 1 of the battery pack and the left mounting crossbeam 2 of the battery pack. The limit pieces on the front sides of the right mounting crossbeam 1 of the battery pack and the left mounting crossbeam 2 of the battery pack are respectively in contact with the left and right ends of the front reinforcing beam 3 of the battery pack. The limit pieces on the rear sides of the right mounting crossbeam 1 of the battery pack and the left mounting crossbeam 2 of the battery pack are respectively in contact with the left and right ends of the rear reinforcing beam 4 of the battery pack. The right mounting crossbeam 1 of the battery pack and the left mounting crossbeam 2 of the battery pack can be accurately aligned with the front reinforcing beam 3 of the battery pack and the rear reinforcing beam 4 of the battery pack. The crossbeam mounting brackets 5 are all triangular stamping brackets. The right side faces of the crossbeam mounting brackets 5 on the left side are aligned. The left side faces of the crossbeam mounting brackets 5 on the right side are aligned. The crossbeam mounting brackets 5 can connect the frame to the vehicle girder. The battery plug-in mounting bracket 6 is a rectangular stamping bracket. The battery plug-in mounting bracket 6 is symmetric in the front-rear direction. The battery plug-in mounting bracket 6 is provided with multiple pairs of bolt connection holes. The battery plug-in mounting bracket 6 can fix the battery pack quick-change plug-in. The installation points 7 of the battery swapping lock body are all rectangular plate structures. Two pairs of bolt connection holes are provided on the installation points 7 of the battery swapping lock body. The width of the installation points 7 of the battery swapping lock body in the left-right direction is greater than the width of the right mounting crossbeam 1 of the battery pack and the left mounting crossbeam 2 of the battery pack in the left-right direction. The installation points 7 of the battery swapping lock body can stably fix the battery pack.

[0024] Workflow: During the design process of this framework, vehicle model parameters, battery pack weight, vehicle layout form, and parameters of the battery swapping mechanism will all affect the selection of tube beam profile materials, specifications, dimensions, and structures, as well as the selection of processing technologies. Therefore, it is necessary to first determine the vehicle model parameters and battery pack weight to determine the selection parameters of the battery pack frame. Then, based on the vehicle layout, the center of mass of the battery pack, and the plug-in position, initially design the frame, complete the selection of tube beam materials, types, and determination of size ranges. Then, through CAE analysis, determine the materials and structures of the frame. Finally, conduct physical bench production, vehicle road verification, and mass production. For the right mounting crossbeam 1 of the battery pack, the left mounting crossbeam 2 of the battery pack, the front reinforcement beam 3 of the battery pack, and the rear reinforcement beam 4 of the battery pack of this framework, steel pipes or aluminum pipes can be selected to ensure the overall installation structural strength of the battery pack. The crossbeam mounting bracket 5 of this device is connected to the main body of the girder through bolts, and its vertical position can be adjusted to achieve the height flexibility of the battery pack layout. The battery plug mounting bracket 6 of this device can fix the quick battery swapping plug. The mounting points 7 of the battery swapping lock body of this device are arranged at equal distances in the front-back direction, which can ensure the reliability of the battery pack installation. This framework overcomes the accuracy problems of existing sheet metal stamping and welding, and at the same time combines the advantages of the diverse structures of sheet metal part supports, avoiding the long battery pack development and verification cycle. Its development cycle is short, design changes are flexible, and the cost is low. Moreover, this framework can be applied to multiple battery packs and has good versatility.

[0025] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. The standard parts used in this utility model can all be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art. In addition, the circuit connection adopts the conventional connection method in the prior art, which will not be elaborated here.

[0026] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A battery replacement frame for a pure electric light truck, comprising a right battery pack mounting crossbeam (1) and a left battery pack mounting crossbeam (2), characterized in that: A front reinforcing beam (3) of the battery pack is welded to the front end of the lower side of the right battery pack mounting beam (1) and the left battery pack mounting beam (2), and a rear reinforcing beam (4) of the battery pack is welded to the rear end of the lower side of the right battery pack mounting beam (1) and the left battery pack mounting beam (2). The tops of the front battery pack reinforcing beam (3) and the rear battery pack reinforcing beam (4) are both bolted to a pair of symmetrically distributed beam mounting brackets (5), and the opposite inner sides of the right battery pack mounting beam (1) and the left battery pack mounting beam (2) are bolted to two pairs of symmetrically distributed beam mounting brackets (5), the left side of the right battery pack mounting beam (1) is fixedly connected to a battery plug-in mounting bracket (6), and the bottoms of the right battery pack mounting beam (1) and the left battery pack mounting beam (2) are both fixedly connected to five battery lock mounting points (7) that are equidistantly distributed in the front and rear directions.

2. The battery replacement frame for pure electric light truck according to claim 1 is characterized in that: The battery pack right mounting crossbeam (1), the battery pack left mounting crossbeam (2), the battery pack front reinforcement beam (3) and the battery pack rear reinforcement beam (4) are all made of tubular beam materials; the battery pack right mounting crossbeam (1) and the battery pack left mounting crossbeam (2) are both horizontally distributed in the front-to-back direction; and the battery pack front reinforcement beam (3) and the battery pack rear reinforcement beam (4) are both horizontally distributed in the left-to-right direction.

3. The battery replacement frame for pure electric light truck according to claim 1 is characterized in that: The relative inner sides of the right battery pack mounting crossbeam (1) and the left battery pack mounting crossbeam (2) are both provided with triangular welding plates, and the relative outer sides of the right battery pack mounting crossbeam (1) and the left battery pack mounting crossbeam (2) are both provided with two limiting plates.

4. The battery replacement frame for pure electric light truck according to claim 1 is characterized in that: The limiting pieces on the front sides of the battery pack right mounting crossbeam (1) and the battery pack left mounting crossbeam (2) are respectively fitted with the left and right ends of the battery pack front reinforcing beam (3), and the limiting pieces on the rear sides of the battery pack right mounting crossbeam (1) and the battery pack left mounting crossbeam (2) are respectively fitted with the left and right ends of the battery pack rear reinforcing beam (4).

5. The battery replacement frame for pure electric light truck according to claim 1 is characterized by: The crossbeam mounting brackets (5) are all triangular stamped brackets, and the right side of the crossbeam mounting bracket (5) located on the left side is aligned, and the left side of the crossbeam mounting bracket (5) located on the right side is aligned.

6. The battery replacement frame for pure electric light truck according to claim 1 is characterized in that: The battery plug-in mounting bracket (6) is a rectangular stamped bracket, the battery plug-in mounting bracket (6) is symmetrical front to back, and the battery plug-in mounting bracket (6) is provided with a plurality of pairs of bolt connection holes.

7. The battery replacement frame for pure electric light truck according to claim 1 is characterized by: The battery-changing lock body mounting points (7) are all rectangular plate structures, and two pairs of bolt connection holes are provided on the battery-changing lock body mounting points (7). The width of the battery-changing lock body mounting points (7) in the left-right direction is greater than the width of the battery pack right mounting beam (1) in the left-right direction and the width of the battery pack left mounting beam (2) in the left-right direction.

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