Transfer frame for lower guard plate at bottom of rear subframe of electric vehicle

Abstract

The utility model belongs to the technical field of storage racks for electric automobile accessories, and discloses a transfer rack for a lower protective plate at the bottom of a rear auxiliary frame of an electric automobile, which comprises a bottom rack, upright posts fixed at four corners of the bottom rack, and suspension rack layers arranged on the upright posts, wherein the suspension bracket layer is provided with an upper layer and a lower layer, each suspension bracket layer is provided with two suspension brackets, and the two ends of the two suspension brackets on each layer are respectively fixed with the two vertical columns in the longitudinal direction into a whole; at least two back-to-back cross beams are arranged between the two stand columns on the back side of the bottom frame; and the front end of the suspension bracket is in threaded connection with a front cross beam. Due to the structure, the packaging efficiency is improved, the group elevation of the transfer frame is reduced, the packaging capacity of a single transfer frame is enlarged, and the transfer cost is reduced.

Description

Technical Field

[0001] This utility model belongs to the technical field of electric vehicle parts storage racks, and provides a transfer rack for the bottom guard plate of the rear subframe of electric vehicles that improves loading efficiency, reduces the elevation of the transfer rack group, increases the loading capacity of a single transfer rack, and reduces transfer costs. Background Technology

[0002] During the manufacturing process of electric vehicles, various protective plates with different functions are designed specifically for different vehicle models to protect the motor, battery, and control components. The lower skid plate under the rear subframe of an electric vehicle, as one type of protective plate, often involves injection molding, inspection, assembly, and then transport to the assembly workshop during its manufacturing process.

[0003] The transfer racks used for the underbody protection plates of the rear subframes of existing electric vehicles generally include a base frame, casters at the bottom of the base frame, four uprights fixed at the four corners of the base frame, a suspension bracket mounted on the uprights, and a single positioning buckle on the suspension bracket. One transfer rack typically holds 25 underbody protection plates for the rear subframes of electric vehicles. During transport, individual transfer racks are hoisted to the back of the truck bed, and five individual transfer racks (due to road height restrictions) are stacked together to form a single transfer rack group. Multiple transfer rack groups are then used to load the cargo into one truck bed.

[0004] During use, the transfer frame with the above structure requires manually inserting the bottom guard plate of the rear subframe of a single electric vehicle into a single positioning buckle for positioning and assembly. This is time-consuming and labor-intensive for workers, has low assembly efficiency, and the assembly capacity of a single transfer frame is small, resulting in high transfer costs. Utility Model Content

[0005] In view of this, the purpose of this utility model is to provide a transfer frame for the bottom guard plate of the rear subframe of an electric vehicle that improves containerization efficiency, reduces the elevation of the transfer frame group, increases the containerization capacity of a single transfer frame, and reduces transfer costs.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] This utility model provides a transfer frame for the lower guard plate of the rear subframe of an electric vehicle, including a base frame, uprights fixed at the four corners of the base frame, and a suspension frame layer set on the uprights; wherein: the suspension frame layer has two layers, each layer has two suspension frames, and the two ends of the two suspension frames on each layer are respectively fixed to two uprights located in the longitudinal direction.

[0008] At least two opposing crossbeams are installed between the two uprights located on the back side of the base frame;

[0009] A front crossbeam is threadedly connected to the front end of the suspension bracket.

[0010] To further support and protect the lower guard plate of the rear subframe of the electric vehicle mounted on the transfer rack, the above solution further includes: a longitudinal beam is provided above the suspension frame, and the two ends of the longitudinal beam are fixed together with two columns located in the longitudinal direction.

[0011] To prevent damage to the lower guard plate at the bottom of the rear subframe of the electric vehicle during transport and containerization, the above solution further includes: a protective padding layer installed on the outer wall of the suspension frame and / or the outer wall of the longitudinal crossbeam.

[0012] To facilitate the overlapping assembly of transfer frames into a low transfer frame group, the above scheme further includes: the lower end of the column is located below the base frame, the lower end of the column has a trumpet-shaped connecting section a, the top end of the column has a trumpet-shaped connecting section b, the shape of the trumpet-shaped connecting section b matches the shape of the trumpet-shaped connecting section a, and the diameter of the trumpet-shaped connecting section b is smaller than the diameter of the trumpet-shaped connecting section a.

[0013] To facilitate the transfer of the lower guard plate of the rear subframe of electric vehicles within the container or assembly workshop, the above solution further includes: the underframe is equipped with an integrated caster wheel.

[0014] The beneficial effects of this utility model are:

[0015] The upper and lower suspension frame layers allow the lower and lower protective plates of the rear subframe of the electric vehicle to be stacked in a staggered manner, which improves the loading efficiency.

[0016] The proposed solution allows for the loading capacity of approximately 50 to 70 units per transfer rack. By increasing the loading capacity of a single transfer rack, the number of units that can be loaded into a truck bed of the same capacity can be significantly increased, thereby reducing transfer costs.

[0017] With the upper and lower suspension rack layers, the elevation of one transfer rack in this scheme is one and a half times the elevation of the transfer rack in the previous scheme. The elevation of the transfer rack group formed by the overlap of three transfer racks in this scheme is lower than the elevation of the transfer rack group formed by the overlap of five transfer racks in the previous scheme, thus reducing the elevation of the transfer rack group. Attached Figure Description

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the preferred embodiments of this utility model will be described in detail below with reference to the accompanying drawings, wherein:

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 3This is an enlarged structural schematic diagram of the column of this utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the suspension bracket of this utility model;

[0023] Figure 5 This is a structural schematic diagram of the longitudinal beam of this utility model;

[0024] Figure 6 This is a schematic diagram of the structure of the electric vehicle's rear subframe bottom guard plates, which are staggered with each other.

[0025] Reference numerals: 1. Base frame; 2. Column; 3. Suspension frame; 4. Back crossbeam; 5. Front crossbeam; 6. Longitudinal crossbeam; 7. Protective padding; 8. Trumpet-shaped connecting section a; 9. Trumpet-shaped connecting section b; 10. Caster wheel; 11. Lower guard plate of the rear subframe of the electric vehicle. Detailed Implementation

[0026] The present invention will be further described below with reference to specific embodiments. The accompanying drawings are for illustrative purposes only, representing schematic diagrams rather than actual physical objects, and should not be construed as limiting the scope of this patent. To better illustrate the embodiments of the present invention, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0027] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The utility model will be further described in detail below with reference to the accompanying drawings.

[0028] like Figure 1-6 As shown, this utility model provides a transfer frame for the lower guard plate of the rear subframe of an electric vehicle, including a base frame 1, uprights 2 fixed at the four corners of the base frame 1, and a suspension frame layer set on the uprights 2; wherein: the suspension frame layer has two layers, upper and lower, and each layer has two suspension frames 3, and the two ends of the two suspension frames 3 on each layer are respectively fixed to the two uprights 2 located in the longitudinal direction.

[0029] At least two opposing crossbeams 4 are provided between the two uprights 2 located on the back side of the base frame 1;

[0030] A front crossbeam 5 is threadedly connected to the front end of the suspension bracket 3.

[0031] To further support and protect the lower guard plate of the rear subframe of the electric vehicle mounted on the transfer rack, in the above embodiment, preferably, a longitudinal beam 6 is provided above the suspension frame 3, and the two ends of the longitudinal beam 6 are fixed together with two vertical columns 2 located in the longitudinal direction.

[0032] To prevent damage to the lower guard plate of the rear subframe of the electric vehicle during transportation and loading, in the above embodiments, preferably, a protective pad 7 is fitted on the outer wall of the suspension frame 3 and / or the outer wall of the longitudinal beam 6.

[0033] To facilitate the overlapping assembly of transfer frames into a low transfer frame group, in the above embodiment, preferably: the lower end of the column 2 is located below the base frame 1, the lower end of the column 2 has a trumpet-shaped connecting section a8, the top end of the column 2 has a trumpet-shaped connecting section b9, the shape of the trumpet-shaped connecting section b9 matches the shape of the trumpet-shaped connecting section a8, and the diameter of the trumpet-shaped connecting section b9 is smaller than the diameter of the trumpet-shaped connecting section a8.

[0034] To facilitate the transfer of the lower guard plate of the rear subframe of electric vehicles within the container or assembly workshop, in the above embodiment, preferably, the chassis 1 is provided with an integral caster wheel 10.

[0035] In all the above embodiments, the components are commercially available products. The description of the program control section is for the purpose of understanding the present invention by those skilled in the art and is not a feature of this invention.

[0036] The transfer process of the transfer frame for the bottom guard plate of the electric vehicle rear subframe described in this utility model is as follows:

[0037] First, unscrew the front crossbeam 5. Then, place the lower underbody protection plate 11 of the electric vehicle's rear subframe directly onto the suspension brackets 3 of the upper and lower suspension bracket layers, respectively, with a staggered arrangement. After assembly, screw the front crossbeam 5 back on. Because the suspension bracket layers have upper and lower sections, workers no longer need to align individual clips, improving assembly efficiency. The suspension brackets 3, together with the column 2, the back crossbeam 4, the front crossbeam 5, and the longitudinal crossbeam 6, provide integrated support and protection for the lower underbody protection plate 11 of the electric vehicle's rear subframe, ensuring the stability and safety of the lower underbody protection plate 11 during transportation.

[0038] The transfer frame 1 can be easily moved within the container or assembly workshop by using the casters 10 mounted on the base frame 1. The design of the casters 10 makes the transfer frame more flexible and convenient when turning and moving.

[0039] A hoisting transfer frame is used when it needs to be moved to another location or onto a vehicle. Hoisting equipment (such as a crane or forklift) can be used to lift the entire frame and place it at the target location. Due to its rational structural design and even weight distribution, the transfer frame ensures stability and safety during the hoisting process.

[0040] The process of overlapping and assembling into a group of transfer frames.

[0041] When multiple transfer frames need to be stacked and assembled into a transfer frame group, first align the uprights 2, aligning the flared connecting section a8 of the upright 2 on the previous transfer frame with the flared connecting section b9 of the upright 2 on the next transfer frame. Since the shapes of the flared connecting sections a8 and b9 match, and the diameter of b9 is smaller than that of a8, the stability and tightness of the two transfer frames when stacked can be ensured. Although this invention does not explicitly mention a specific fixing method, in actual use, the uprights of the two transfer frames can be fixed together using bolts, nuts, or other fasteners to prevent separation or shaking during transfer.

[0042] The process of repeatedly overlapping and assembling transfer racks into a group can be repeated as needed to assemble multiple transfer racks into a group. Because the transfer rack of this invention is reasonably designed and the overlapping method is simple and convenient, it can greatly improve transfer efficiency and reduce transfer costs.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of this technical solution, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A transfer frame for the lower underbody protection plate of the rear subframe of an electric vehicle, comprising a base frame (1), uprights (2) fixed at the four corners of the base frame (1), and a suspension frame layer disposed on the uprights (2); characterized in that: The suspension frame layer has two layers, upper and lower, and each layer has two suspension frames (3). The two ends of the two suspension frames (3) on each layer are fixed to two vertical columns (2) located in the longitudinal direction. At least two opposing crossbeams (4) are provided between the two uprights (2) on the back side of the base frame (1). A front crossbeam (5) is threadedly connected to the front end of the suspension bracket (3).

2. The transfer frame for the bottom underbody protection plate of the rear subframe of an electric vehicle according to claim 1, characterized in that: A longitudinal beam (6) is provided above the suspension frame (3), and the two ends of the longitudinal beam (6) are fixed together with two columns (2) located in the longitudinal direction.

3. The transfer frame for the bottom underbody protection plate of the rear subframe of an electric vehicle according to claim 2, characterized in that: Protective pads (7) are fitted on the outer wall of the suspension frame (3) and / or the outer wall of the longitudinal beam (6).

4. The transfer frame for the bottom underbody protection plate of the rear subframe of an electric vehicle according to claim 1 or 2, characterized in that: The lower end of the column (2) is located below the base frame (1). The lower end of the column (2) has a horn-shaped connecting section a (8), and the top end of the column (2) has a horn-shaped connecting section b (9). The shape of the horn-shaped connecting section b (9) matches the shape of the horn-shaped connecting section a (8). The diameter of the horn-shaped connecting section b (9) is smaller than the diameter of the horn-shaped connecting section a (8).

5. The transfer frame for the bottom underbody protection plate of the rear subframe of an electric vehicle according to claim 1, characterized in that: The base frame (1) is equipped with casters (10) integrated with it.

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