Flexible hoisting tool for battery pack

By designing a flexible lifting tooling with variable spacing lifting rings and triangular support structure, the problem of battery pack lifting tooling not being universal was solved, and universal lifting of different battery packs was achieved, reducing costs and shortening project cycles.

CN223342162UActive Publication Date: 2025-09-16HEFEI GUOXUAN HIGH TECH POWER ENERGY
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Patent Information

Application Number
CN202422209144.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2025-09-16
Estimated Expiration
2034-09-09

AI Technical Summary

Technical Problem

The existing battery pack lifting tooling design is not universal, resulting in the need for individual design for each battery pack, increasing project cycle and cost, and verifying the reliability of the lifting tooling is time-consuming and labor-intensive.

Method used

A flexible lifting fixture including a first assembly and a second assembly is designed. Through a lifting ring with variable spacing and a triangular support structure, the fixture can adapt to battery packs of different sizes, thereby increasing the scope of application and enhancing the connection strength.

Benefits of technology

Universal lifting of different battery packs is achieved, which reduces project costs and cycles, while improving the applicability and reliability of lifting tooling.

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Abstract

The utility model provides a flexible hoisting tool for a battery pack, which belongs to the technical field of battery pack tools and comprises a first assembly connected with the surface of a battery pack vibration tool and a second assembly connected with the surface of the battery pack vibration tool. The second assembling unit is installed at the end, away from the battery pack vibration tool, of the first assembling unit, a hanging ring is arranged at the position, close to the end, of the second assembling unit in a sliding mode, and the hanging ring penetrates through the second assembling unit to be fixedly connected with the first assembling unit; a battery pack is installed between the at least two battery pack vibration tools. The hanging ring is arranged at the position, close to the end, of the second assembly in a sliding mode, the hanging ring is connected with the first assembly to achieve variable spacing, then the battery pack fixing device is suitable for battery packs of different sizes, the application range is widened, cost is reduced, and the project period is shortened to a small extent.
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Description

Technical Field

[0001] The utility model belongs to the technical field of battery pack tooling, and in particular relates to a flexible lifting tooling for a battery pack. Background Art

[0002] my country's new energy vehicle manufacturing sector is already a global leader. As a core component of pure electric vehicles, battery packs are crucial for reliability verification, impacting their lifespan and the safety of electric vehicles. GB38031-2020 Safety Requirements for Power Batteries for Electric Vehicles specifies the specific methods and parameters for battery pack vibration verification, but does not prescribe specific testing procedures. Moving the vibration fixture with the battery pack mounted to a vibration table requires the use of a lifting fixture.

[0003] The current state of lifting fixtures is that each battery pack requires a dedicated design. This not only increases project timelines and costs, but also requires verification of the reliability of the specific lifting fixture. This design, manufacturing, and verification cycle is often time-consuming. The versatility of lifting fixtures often requires consideration of reliability, applicability, safety, and site flexibility. Some existing designs do not meet these requirements.

[0004] Therefore, it is necessary to design a flexible lifting tool with variable spacing that can be reused, thereby reducing costs and slightly shortening the project cycle. Utility Model Content

[0005] In response to the above problems, the present invention proposes a flexible lifting tool for battery packs, comprising:

[0006] a first assembly connected to a surface of the battery pack vibration tool;

[0007] a second assembly, the second assembly being mounted on an end of the first assembly away from the battery pack vibration fixture, a lifting ring being slidably provided near the end of the second assembly, the lifting ring passing through the second assembly and fixedly connected to the first assembly;

[0008] A battery pack is installed between at least two battery pack vibration fixtures.

[0009] Furthermore, the first assembly includes:

[0010] The third gasket is placed parallel to the base and is located on the side of the base away from the battery pack vibration tooling; the base and the third gasket are located between the battery pack vibration tooling and the second assembly, and the base is connected to the battery pack vibration tooling, and the third gasket is connected to the second assembly

[0011] The support tube is installed between the base and the third gasket, and both ends of the support tube are fixedly connected to the base and the third gasket respectively.

[0012] Furthermore, the first assembly further comprises:

[0013] A triangular support, wherein a first right-angle end surface of the triangular support is fixedly connected to the base, and a second right-angle end surface of the triangular support is fixedly connected to the support tube.

[0014] Furthermore, a threaded hole is provided on the third gasket, and the threaded hole is threadedly connected to the lifting ring.

[0015] Furthermore, the second assembly includes:

[0016] A connecting beam is provided at both ends of the connecting beam, and a connecting portion is provided with a lifting ring slidably installed in the connecting portion.

[0017] Furthermore, the connecting portion includes:

[0018] a third through groove, the third through groove being provided on the connecting beam;

[0019] a first gasket, wherein a first through groove is provided on the first gasket, the first gasket is provided on the first surface of the connecting beam, and the first gasket is provided at an end portion of the connecting beam;

[0020] A second gasket is provided with a second through groove, the second gasket is provided on the second surface of the connecting beam, and the second gasket is provided at the end of the connecting beam.

[0021] Furthermore, the third through groove, the first through groove and the second through groove overlap; and a hanging ring is slidably installed in the third through groove, the first through groove and the second through groove.

[0022] Furthermore, the cross section of the connecting beam is in a U-shape.

[0023] Furthermore, the battery pack vibration tooling includes:

[0024] a second transverse plate, the second transverse plate being placed parallel to the first transverse plate; the second transverse plate being connected to the first assembly;

[0025] Vertical plates, multiple vertical plates are installed between the second horizontal plate and the first horizontal plate, and two ends of the vertical plates are connected to the second horizontal plate and the first horizontal plate respectively.

[0026] Beneficial effects:

[0027] 1. The utility model realizes variable spacing by slidingly setting a lifting ring near the end of the second assembly, and connecting the lifting ring to the first assembly, thereby being suitable for battery packs of different sizes, increasing the scope of application, reducing costs, and slightly shortening the project cycle.

[0028] 2. The utility model is connected to the base through the first right-angle end surface of the triangular support, and the second right-angle end surface of the triangular support is connected to the support tube, thereby improving the strength of the connection between the base and the support tube.

[0029] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be achieved and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0031] Figure 1 The figure shows the overall structure of the lifting tooling according to the embodiment of the present utility model.

[0032] Figure 2 A schematic structural diagram of a battery pack vibration tooling in an embodiment of the present utility model is shown.

[0033] Figure 3 The figure shows the installation positions of the first assembly, the second assembly and the hanging ring in the embodiment of the present utility model.

[0034] Figure 4 The figure shows a schematic structural diagram of the first assembly in an embodiment of the present utility model.

[0035] Figure 5 The figure shows a schematic structural diagram of the second assembly in an embodiment of the present utility model.

[0036] Figure 6 The figure shows a schematic structural diagram of the connecting beam in an embodiment of the present utility model.

[0037] Figure 7 A schematic diagram of the battery pack vibration tooling and the battery pack installation position in an embodiment of the present utility model is shown.

[0038] In the figure, 10, battery pack vibration tooling; 11, first horizontal plate; 12, second horizontal plate; 13, vertical plate;

[0039] 20. First assembly; 21. Base; 22. Triangular support; 23. Support tube; 24. Third gasket;

[0040] 30. Second assembly; 31. First gasket; 32. Connecting beam; 321. Third through groove; 33. Second gasket;

[0041] 40. Rings;

[0042] 50. Vibration table;

[0043] 60. Battery pack. DETAILED DESCRIPTION

[0044] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments 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 shall fall within the scope of protection of the present invention.

[0045] like Figure 1 As shown, Figure 1 The figure shows the overall structure of the lifting tooling of the utility model embodiment. Figure 1 A flexible lifting fixture for a battery pack includes: a battery pack vibration fixture 10, two battery pack vibration fixtures 10 and a battery pack 60 to be verified are connected by bolts (such as Figure 7 As shown); the first assembly 20 is connected to the surface of the battery pack vibration tooling 10; the second assembly 30 is installed at the end of the first assembly 20 away from the battery pack vibration tooling 10, and a lifting ring 40 is slidably provided near the end of the second assembly 30. The lifting ring 40 passes through the second assembly 30 and is fixedly connected to the first assembly 20; a battery pack 60 is installed between at least two battery pack vibration toolings 10;

[0046] Two battery pack vibration fixtures 10 (such as Figure 7 As shown), two battery pack vibration fixtures 10 are symmetrically installed, and then two first assemblies 20 are installed on each battery pack vibration fixture 10 by bolts; the second assembly 30 is installed on the first assembly 20 symmetrically installed on the two battery pack vibration fixtures 10, and the lifting ring 40 passes through the second assembly 30 and is threadedly installed on the first assembly 20 to connect the second assembly 30 and the first assembly 20; the lifting ring 40 is slidably installed in the third through groove 321 of the connecting beam 32 to overcome the different sizes of the battery packs 60 and the existing errors.

[0047] like Figure 2 As shown, Figure 2 FIG1 shows a schematic structural diagram of a battery pack vibration tool 10 in an embodiment of the present invention. Figure 2 The second horizontal plate 12 is placed parallel to the first horizontal plate 11; multiple vertical plates 13 are installed between the second horizontal plate 12 and the first horizontal plate 11, with the ends of the vertical plates 13 connected to the second horizontal plate 12 and the first horizontal plate 11 respectively. Multiple vertical plates 13 are connected between the first horizontal plate 11 and the second horizontal plate 12 via bolts, and the vertical plates 13 are used to connect the first horizontal plate 11 and the second horizontal plate 12. The battery pack 60 is installed between the two battery pack vibration fixtures 10 and connected to the first horizontal plate 11 via bolts.

[0048] In the above embodiment, another optional implementation is to select different numbers of battery pack vibration tools 10 according to different battery packs 60, so as to be suitable for different usage environments.

[0049] Figure 3 The figure shows the installation positions of the first assembly 20, the second assembly 30 and the hanging ring 40 in the embodiment of the present invention. Figure 4 FIG1 shows a schematic structural diagram of the first assembly 20 in an embodiment of the present invention. Figure 3 and 4 The first assembly 20 includes: a base 21; through holes are provided at the four corners of the base 21, which are convenient for fixing the base 21 to the battery pack vibration tooling 10 by bolts; the third gasket 24 is placed parallel to the base 21, and the third gasket 24 is located on the side of the base 21 away from the battery pack vibration tooling 10; the base 21 and the third gasket 24 are located between the battery pack vibration tooling 10 and the second assembly 30, and the base 21 is connected to the battery pack vibration tooling 10, and the third gasket 24 is connected to the second assembly 30, and the support tube 23 is installed between the base 21 and the third gasket 24, and one end of the support tube 23 is fixedly connected to the base 21, and the other end of the support tube 23 is fixedly connected to the third gasket 24; the support tube 23 is a hollow tube, and a threaded hole is provided on the third gasket 24, which is convenient for connection with the hanging ring 40.

[0050] In the above embodiment, another optional implementation is that the first assembly 20 further includes a triangular support 22, wherein a first end face of the triangular support 22 is connected to the base 21, and a second end face of the triangular support 22 is connected to the support tube 23. The triangular support 22 is a right-angled triangular plate, one end of the right-angled side of the right-angled triangular plate is a first end face, which is welded to the support tube 23, and one end of the other right-angled side of the right-angled triangular plate is a second end face, which is welded to the support tube 23. Two to four triangular supports 22 are provided, and the triangular supports 22 are used to connect the base 21 and the support tube 23, thereby improving stability.

[0051] Preferably, a threaded hole is provided on the third gasket 24 , and the threaded hole is used to connect the lifting ring 40 .

[0052] like Figure 5 As shown, Figure 5 FIG2 shows a schematic structural diagram of the second assembly 30 in an embodiment of the present invention. Figure 5 The second assembly 30 includes a connecting beam 32; the connecting beam 32 is provided with a first surface and a second surface, and the first surface and the second surface are symmetrical surfaces; a first through groove is provided on the first gasket 31, and the first gasket 31 is provided on the first surface, and the first gasket 31 is close to the end of the connecting beam 32; a second through groove is provided on the second gasket 33, and the second gasket 33 is provided on the second surface, and the second gasket 33 is close to the end of the connecting beam 32; the second gasket 33 and the first gasket 31 are symmetrically installed; specifically, the connecting beam 32 is a long bar with a square cross section. Figure 6 For example, the upper surface thereof is the first surface, and the lower surface thereof is the second surface. At the same time, a third through groove 321 is provided at the position of the connecting beam 32 corresponding to the first through groove of the first gasket 31 and the second through groove of the second gasket 33, so as to facilitate the hanging ring 40 to pass through the first through groove, the third through groove 321 and the second through groove to be connected with the first assembly 20.

[0053] Preferably, a third through groove 321 is provided on the first surface of the connecting beam 32, and the third through groove 321, the first through groove and the second through groove overlap; a hanging ring 40 is slidably installed in the third through groove 321, the first through groove and the second through groove.

[0054] Working principle of this utility model:

[0055] First, prepare the first assembly 20, fix the third gasket 24 to the upper end of the support tube 23 by welding, then fix the welded support tube 23 to the base 21 by welding, and finally weld the triangular support 22 to the base 21 and the support tube 23 to form the first assembly 20. Threaded holes are punched in the third gasket 24.

[0056] Prepare the second assembly 30. A first through-groove and a second through-groove are provided on the first gasket 31 and the second gasket 33. The through-grooves are rectangular grooves. The first gasket 31 and the second gasket 33 are welded to the first and second surfaces of the connecting beam 32. At the same time, the through-grooves of the first gasket 31 and the second gasket 33 are aligned with the third through-groove 321 of the connecting beam 32. This facilitates the subsequent connection of the lifting ring 40 through the through-grooves on the first gasket 31, the connecting beam 32, and the second gasket 33 to the threaded hole on the third gasket 24 of the first assembly 20.

[0057] Connect the battery pack 60 and install the battery pack 60 on the battery pack vibration tooling 10 with bolts according to the designed bolt torque; install the first assembly 20 on the battery pack vibration tooling 10 according to the lateral spacing between the battery pack 60;

[0058] Align the through groove of the first gasket 31 in the second assembly 30 with the threaded hole of the third gasket 24 in the first assembly 20, pass the hanging ring 40 through the through groove of the first gasket 31 and thread it into the threaded hole of the third gasket 24, and the upper end of the hanging ring 40 clamps the first gasket 31, thereby realizing the connection between the first assembly 20 and the second assembly 30 by the hanging ring 40.

[0059] The hook of the lifting device is connected to the lifting ring 40, and the assembled entire device is lifted to the vibration table 50 by the lifting device.

[0060] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A flexible lifting tool for battery packs, characterized in that: include: a first assembly (20), the first assembly (20) being connected to a surface of the battery pack vibration tool (10); a second assembly (30), the second assembly (30) being mounted on an end of the first assembly (20) away from the battery pack vibration tool (10), a hanging ring (40) being slidably provided near the end of the second assembly (30), the hanging ring (40) passing through the second assembly (30) and being fixedly connected to the first assembly (20); A battery pack (60) is installed between at least two battery pack vibration fixtures (10).

2. The flexible lifting fixture for battery pack according to claim 1, characterized in that: The first assembly (20) comprises: A third gasket (24), the third gasket (24) is placed parallel to the base (21), and the third gasket (24) is located on a side of the base (21) away from the battery pack vibration tooling (10); the base (21) and the third gasket (24) are located between the battery pack vibration tooling (10) and the second assembly (30), and the base (21) is connected to the battery pack vibration tooling (10), and the third gasket (24) is connected to the second assembly (30) A support tube (23) is installed between the base (21) and the third gasket (24), and two ends of the support tube (23) are fixedly connected to the base (21) and the third gasket (24) respectively.

3. The flexible lifting fixture for battery pack according to claim 2, characterized in that: The first assembly (20) further comprises: A triangular support (22), wherein a first right-angle end surface of the triangular support (22) is fixedly connected to the base (21), and a second right-angle end surface of the triangular support (22) is fixedly connected to the support tube (23).

4. A flexible lifting fixture for battery packs according to claim 2 or 3, characterized in that: A threaded hole is provided on the third gasket (24), and the threaded hole is threadedly connected to the hanging ring (40).

5. The flexible lifting fixture for battery pack according to claim 1, characterized in that: The second assembly (30) comprises: A connecting beam (32) is provided with connecting parts at both ends of the connecting beam (32), and a hanging ring (40) is slidably installed in the connecting part.

6. The flexible lifting fixture for battery pack according to claim 5, characterized in that: The connecting portion includes: a third through groove (321), the third through groove (321) being provided on the connecting beam (32); a first gasket (31), wherein a first through groove is provided on the first gasket (31), the first gasket (31) is provided on a first surface of the connecting beam (32), and the first gasket (31) is provided at an end portion of the connecting beam (32); A second gasket (33) is provided with a second through groove, the second gasket (33) is provided on the second surface of the connecting beam (32), and the second gasket (33) is provided at the end of the connecting beam (32).

7. The flexible lifting fixture for battery pack according to claim 6, characterized in that: The third through groove (321), the first through groove and the second through groove overlap; and a hanging ring (40) is slidably mounted in the third through groove (321), the first through groove and the second through groove.

8. A flexible lifting fixture for a battery pack according to any one of claims 5 to 7, characterized in that: The cross section of the connecting beam (32) is in the shape of a square.

9. The flexible lifting fixture for battery pack according to claim 1, characterized in that: The battery pack vibration tool (10) comprises: A second transverse plate (12), the second transverse plate (12) is placed parallel to the first transverse plate (11); the second transverse plate (12) is connected to the first assembly 20; A plurality of vertical plates (13) are installed between the second horizontal plate (12) and the first horizontal plate (11), and two ends of the vertical plates (13) are connected to the second horizontal plate (12) and the first horizontal plate (11) respectively.