Battery module vibration test fixture

Abstract

The utility model relates to the technical field of battery testing, in particular to a battery module vibration test fixture, which comprises a first clamping plate, a second clamping plate, a telescopic support and at least two clamping assemblies, the first clamping plate and the second clamping plate are oppositely arranged and used for connecting two ends of a battery module, and the at least two clamping assemblies are oppositely arranged on two sides of the battery module. The clamping assembly abuts against the side face and the top of the battery module, the first clamping plate is rotationally connected with the telescopic support, the second clamping plate, the telescopic support and the clamping assembly are detachably arranged on the vibration table, and the mounting positions of the second clamping plate, the telescopic support and the clamping assembly on the vibration table can be adjusted. And the first clamping plate, the second clamping plate and the clamping assembly can clamp the battery module. According to the vibration test fixture for the battery module, position constraint on the battery module in six directions is realized, the battery modules of different models and sizes can be clamped and fixed, and the battery modules are fixedly mounted through bolts, so that the battery modules are convenient to disassemble after the test is finished.

Description

Technical Field

[0001] The utility model relates to the technical field of battery testing, in particular to a battery module vibration testing fixture. Background Art

[0002] At present, lithium battery modules need to go through a vibration test process after production to achieve vibration testing of lithium battery modules before they leave the factory and ensure the quality of lithium battery modules when they leave the factory. Specifically, the battery vibration test device is fixed on a vibration table, and the vibration frequency is adjusted through the vibration table, so as to apply vibrations of different frequencies to the battery to verify the product's ability to resist vibration and impact. When performing a vibration test, the battery needs to be fixed on the vibration table by a fixed fixture, but the size of the traditional vibration test fixture does not change, and it can only perform clamping tests on a specific module. The fixed fixture has a small scope of application, which makes it impossible to adapt to batteries of different specifications, and it is also inconvenient to install and disassemble the battery module, which reduces the convenience of using the fixed fixture. Utility Model Content

[0003] The invention purpose of the utility model is to provide a battery module vibration test fixture to solve the problems in the prior art that the traditional vibration test fixture can only perform clamping test on a specific module, has a small scope of application, and is inconvenient to disassemble and install.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A battery module vibration test fixture comprises a first clamping plate, a second clamping plate, a retractable bracket and at least two clamping assemblies, wherein the first clamping plate and the second clamping plate are relatively arranged to connect the two ends of a battery module, at least two of the clamping assemblies are relatively arranged on both sides of the battery module, the clamping assemblies abut the side and top of the battery module, the first clamping plate is rotatably connected to the retractable bracket, the second clamping plate, the retractable bracket and the clamping assembly are all detachably arranged on a vibration table, the second clamping plate, the retractable bracket and the clamping assembly can adjust the installation position on the vibration table, and the first clamping plate, the second clamping plate and the clamping assembly can clamp the battery module.

[0006] The battery module vibration test fixture is achieved by arranging the first clamping plate, the second clamping plate and at least two clamping assemblies around the battery module and abutting against the battery module, wherein the clamping assembly abuts against the side and top of the battery module, thereby, together with the constraint provided by the bottom vibration table, realizing position constraint on the six directions of the battery module; in addition, since the second clamping plate, the retractable bracket and the clamping assembly can be detachably arranged on the vibration table, and the second clamping plate, the retractable bracket and the clamping assembly can adjust the installation position on the vibration table, the spacing between the first clamping plate and the second clamping plate and the spacing between the retractable brackets can be adjusted by adjusting their installation positions on the vibration table, which enables the battery module vibration test fixture to clamp and fix battery modules of different models and sizes. On the other hand, the battery module vibration test fixture is fixed and installed by bolts, which makes it easy to disassemble after the test, which simplifies the vibration test process and improves efficiency.

[0007] As a preferred solution of the utility model, the retractable bracket includes a hydraulic rod and a mounting bracket, and one end of the hydraulic rod is rotatably connected to the vibration table through the mounting bracket. In the process of clamping the battery module using the battery module vibration test fixture, there will be certain differences in the sizes of different battery modules. In order to facilitate adjustment, the first clamping plate is set to be able to adjust the position as the retractable bracket rotates, extends or shortens. The retractable bracket includes two parts, the hydraulic rod and the mounting bracket. The setting of the hydraulic rod enables the retractable bracket to achieve the function of extending or shortening, and the setting of the mounting bracket enables the retractable bracket to achieve the function of rotating around the mounting bracket.

[0008] As a preferred solution of the utility model, a mounting seat is provided on the side of the first clamping plate, and the mounting seat is rotatably connected to the other end of the hydraulic rod. The arrangement of the mounting seat enables the angle between the first clamping plate and the hydraulic rod to be adjusted by rotating around the mounting seat, so as to ensure that the first clamping plate can always be kept in a vertical state and parallel to the plane where the second clamping plate is located.

[0009] As a preferred solution of the utility model, the clamping assembly includes a mounting frame and a clamping plate, the mounting frame is threadedly connected with an adjusting rod, and the adjusting rod is connected to the clamping plate. The adjusting rod is threadedly connected to the mounting frame by a threaded connection, and the adjusting rod can be slid by rotating the adjusting rod, and since the upper end of the adjusting rod is connected to the bottom of the clamping plate, when the adjusting rod slides on the mounting frame, it will drive the clamping plate, thereby adjusting the distance between the clamping plate and the mounting frame, that is, the clamping assembly can be adjusted to adapt to the fixed clamping of the top of the battery.

[0010] As a preferred solution of the utility model, at least one spring is arranged between the bottom of the clamping plate and the top of the mounting frame. The arrangement of the spring ensures that there is always a supporting force between the clamping plate and the mounting frame, and since the adjustment rod needs to slide by rotating, the spring is arranged between the clamping plate and the mounting frame, which can effectively prevent the clamping plate from rotating, so that the clamping plate can stably abut against the top of the battery module.

[0011] As a preferred solution of the utility model, a handle is provided at the bottom of the adjusting rod, and the setting of the handle makes it easier and more convenient to rotate the adjusting rod.

[0012] As a preferred solution of the utility model, at least two fixing brackets are provided at the bottom of the outer side of the mounting frame, and at least one reinforcing rib plate is provided at the inner side of the bottom of the mounting frame. The fixing bracket is provided to fix the clamping assembly on the vibration table, and the reinforcing rib plate can further improve the structural strength of the mounting frame and extend its service life.

[0013] As a preferred solution of the utility model, the longitudinal sections of the first clamping plate and the second clamping plate are both L-shaped, and at least one threaded hole is provided at the bottom of the first clamping plate and the second clamping plate. In order to further ensure the stability of the first clamping plate and the second clamping plate when clamping the battery module, the longitudinal sections of the first clamping plate and the second clamping plate are both set to be L-shaped, and at least one threaded hole is provided on the shorter side of the L-shape for fixed installation, which can effectively prevent dangerous situations such as slipping during the clamping process.

[0014] As a preferred solution of the utility model, end plates are provided at both ends of the battery module, at least one through hole is opened on the top of the end plate, the threaded hole matches the position of the through hole, and the end plate can be fixedly connected to the first clamping plate and the second clamping plate respectively by connecting bolts. Since the battery module itself cannot be bolted to the first clamping plate and the second clamping plate, it is necessary to provide the end plates at both ends of the battery module, and the end plates can be fixedly connected to the first clamping plate and the second clamping plate respectively by connecting bolts.

[0015] As a preferred solution of the utility model, the end plate is fixedly connected to the battery module by steel band binding. Since the end plate needs to be fixedly installed on the battery module, and the battery module is not provided with a connection structure, the end plate is fixedly installed on the battery module by steel band binding, which can ensure the stability of the connection and facilitate disassembly.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0017] 1. The battery module vibration test fixture is configured such that the first clamping plate, the second clamping plate and at least two clamping assemblies are respectively arranged around the battery module and abutted against the battery module, wherein the clamping assembly abuts against the side and top of the battery module, thereby, together with the constraint provided by the bottom vibration table, position constraints on the six directions of the battery module are achieved; and, since the second clamping plate, the retractable bracket and the clamping assembly can be detachably arranged on the vibration table, the spacing between the first clamping plate and the second clamping plate and the spacing between the retractable brackets can be adjusted by adjusting their installation positions on the vibration table, which enables the battery module vibration test fixture to clamp and fix battery modules of different models and sizes. On the other hand, the battery module vibration test fixture is fixed and installed by bolts, which makes it easy to disassemble after the test, which simplifies the vibration test process and improves efficiency.

[0018] 2. The battery module vibration test fixture fixes the end plate to the battery module by binding it with a steel belt, and then fixes the end plate to the first clamping plate and the second clamping plate by connecting bolts, so that the battery module can be firmly clamped on the vibration table, which can effectively prevent danger during the vibration test process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Figure 2 It is a structural schematic diagram of the retractable bracket in the utility model.

[0021] Figure 3 It is a structural schematic diagram of the clamping assembly in the utility model.

[0022] Markings in the figure: 1-first clamping plate, 2-second clamping plate, 3-clamping assembly, 4-retractable bracket, 5-battery module, 6-vibration table, 7-end plate, 8-hydraulic rod, 9-mounting bracket, 10-mounting seat, 11-mounting frame, 12-clamping plate, 13-adjusting rod, 14-spring, 15-fixed bracket, 16-reinforcement rib plate, 17-handle, 18-threaded hole, 19-connecting bolt. DETAILED DESCRIPTION

[0023] The utility model is described in detail below in conjunction with the accompanying drawings.

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] Example 1

[0026] like Figure 1 , Figure 2 , Figure 3 A battery module vibration test fixture shown includes a first clamping plate 1, a second clamping plate 2, a retractable bracket 4 and at least two clamping assemblies 3, the first clamping plate 1 and the second clamping plate 2 are relatively arranged to connect the two ends of a battery module 5, at least two of the clamping assemblies 3 are relatively arranged on both sides of the battery module 5, the clamping assemblies 3 abut the side and top of the battery module 5, the first clamping plate 1 is rotatably connected to the retractable bracket 4, the second clamping plate 2, the retractable bracket 4 and the clamping assembly 3 can be detachably arranged on a vibration table 6, the second clamping plate 2, the retractable bracket 4 and the clamping assembly 3 can adjust the installation position on the vibration table 6, and the first clamping plate 1, the second clamping plate 2 and the clamping assembly 3 can clamp the battery module 5.

[0027] Specifically, the vibration table 6 is a working platform of the vibration test experimental device itself. The vibration table 6 is generally provided with sufficient mounting structures for fixing the test piece, for example, strip holes or mounting holes are evenly arranged on the vibration table 6.

[0028] Those skilled in the art can understand that the battery module vibration test fixture is achieved by arranging the first clamping plate, the second clamping plate and at least two of the clamping assemblies around the battery module 5 respectively and abutting against the battery module 5, wherein the clamping assembly abuts against the side and top of the battery module 5, and thus, combined with the constraint provided by the bottom vibration table 6, the position constraint of the battery module 5 in six directions is achieved; in addition, since the second clamping plate, the retractable bracket 3 and the clamping assembly can be detachably arranged on the vibration table 6, and the second clamping plate, the retractable bracket 3 and the clamping assembly can adjust the installation position on the vibration table 6, the spacing between the first clamping plate and the second clamping plate and the spacing between the retractable brackets 3 can be adjusted by adjusting their installation positions on the vibration table 6, which enables the battery module vibration test fixture to clamp and fix battery modules 5 of different models and sizes. On the other hand, the battery module vibration test fixture is fixed and installed by bolts, which makes it easy to disassemble after the test, which simplifies the vibration test process and improves efficiency.

[0029] In a preferred embodiment, the retractable support 4 includes a hydraulic rod 8 and a mounting support 9 , and one end of the hydraulic rod 8 is rotatably connected to the vibration table 6 via the mounting support 9 .

[0030] Those skilled in the art will appreciate that, in the process of clamping the battery module 5 using the battery module vibration test fixture, since there will be certain differences in the sizes of different battery modules 5, in order to facilitate adjustment, the first clamping plate 1 is configured to be able to adjust its position as the retractable bracket 4 rotates, extends or shortens. The retractable bracket 4 includes two parts, the hydraulic rod 8 and the mounting bracket 9. The setting of the hydraulic rod 8 enables the retractable bracket 4 to achieve the function of extending or shortening, and the setting of the mounting bracket 9 enables the retractable bracket 4 to achieve the function of rotating around the mounting bracket 9.

[0031] In a preferred embodiment, a mounting seat 10 is provided on the side of the first clamping plate 1 , and the mounting seat 10 is rotatably connected to the other end of the hydraulic rod 8 .

[0032] Those skilled in the art will appreciate that the arrangement of the mounting seat 10 allows the angle between the first clamping plate 1 and the hydraulic rod 8 to be adjusted by rotating around the mounting seat 10, thereby ensuring that the first clamping plate 1 can always be kept in a vertical state and parallel to the plane where the second clamping plate 2 is located.

[0033] In a preferred embodiment, the clamping assembly 3 includes a mounting frame 11 and a clamping plate 12 . An adjusting rod 13 is threadedly connected to the mounting frame 11 , and the adjusting rod 13 is connected to the clamping plate 12 .

[0034] Those skilled in the art can understand that the adjusting rod 13 is threadedly connected to the mounting frame 11 by means of a threaded connection, and the adjusting rod 13 can be slid by rotating the adjusting rod 13, and since the upper end of the adjusting rod 13 is connected to the bottom of the clamping plate 12, when the adjusting rod 13 slides on the mounting frame 11, it will drive the clamping plate 12, thereby adjusting the distance between the clamping plate 12 and the mounting frame 11, that is, the clamping assembly 3 can be adjusted to adapt to the fixed clamping of the top of the battery shown.

[0035] In a preferred embodiment, at least one spring 14 is provided between the bottom of the clamping plate 12 and the top of the mounting frame 11. Specifically, four springs 14 are provided between the bottom of the clamping plate 12 and the top of the mounting frame 11, and the springs 14 are evenly distributed around the adjusting rod 13 to form a rectangular array.

[0036] Those skilled in the art can understand that the setting of the spring 14 ensures that there is always a supporting force between the clamping plate 12 and the mounting frame 11, and since the adjusting rod 13 needs to slide by rotating, the spring 14 is set between the clamping plate 12 and the mounting frame 11, which can effectively prevent the clamping plate 12 from rotating, so that the clamping plate 12 can stably abut against the top of the battery module 5.

[0037] In a preferred embodiment, a handle 17 is provided at the bottom of the adjusting rod 13. Specifically, the handle 17 is provided at the bottom of the adjusting rod 13, located inside the mounting frame 11, and a corresponding hand hole is provided on the side of the mounting frame 11 for conveniently rotating the handle 17 during operation.

[0038] Those skilled in the art can understand that the provision of the handle 17 makes it easier and more convenient to rotate the adjusting rod 13 .

[0039] In a preferred embodiment, at least two fixing brackets 15 are provided at the bottom of the outer side of the mounting frame 11, and at least one reinforcing rib plate 16 is provided at the inner side of the bottom of the mounting frame 11. Specifically, two fixing brackets 15 are provided at the bottom of two opposite outer sides of the mounting frame 11, and through holes are provided on the fixing brackets 15 for bolt connection; four reinforcing rib plates 16 are provided at the inner side of the bottom of the mounting frame 11.

[0040] Those skilled in the art can understand that the fixing bracket 15 is provided to fix the clamping assembly 3 on the vibration table 6, and the reinforcing rib plate 16 can further improve the structural strength of the mounting frame 11 and extend its service life.

[0041] In a preferred embodiment, the longitudinal sections of the first clamping plate 1 and the second clamping plate 2 are both L-shaped, and at least one threaded hole 18 is provided at the bottom of the first clamping plate 1 and the second clamping plate 2. Specifically, two threaded holes 18 are provided on the shorter sides of the L-shape of the first clamping plate 1 and the second clamping plate 2.

[0042] Those skilled in the art will appreciate that in order to further ensure the stability of the first clamping plate 1 and the second clamping plate 2 in clamping the battery module 5, the longitudinal cross-sections of the first clamping plate 1 and the second clamping plate 2 are both set to be L-shaped, and at least one threaded hole 18 is opened on the shorter side of the L-shape for fixed installation, which can effectively prevent dangerous situations such as slipping during the clamping process.

[0043] In a preferred embodiment, end plates 7 are provided at both ends of the battery module 5, at least one through hole is provided on the top of the end plate 7, the threaded hole 18 matches the position of the through hole, and the end plate 7 can be fixedly connected to the first clamping plate 1 and the second clamping plate 2 respectively by connecting bolts 19. Specifically, two through holes are provided on the top of the end plate 7.

[0044] Those skilled in the art will appreciate that, since the battery module 5 itself cannot be bolted to the first clamping plate 1 and the second clamping plate 2, it is necessary to provide the end plates 7 at both ends of the battery module 5, and the end plates 7 can be fixedly connected to the first clamping plate 1 and the second clamping plate 2 respectively by connecting bolts 19.

[0045] In a preferred embodiment, the end plate 7 is fixedly connected to the battery module 5 by being bound with a steel belt.

[0046] Those skilled in the art will appreciate that, since the end plate 7 needs to be fixedly mounted on the battery module 5 and no connection structure is provided on the battery module 5, the end plate 7 is fixedly mounted on the battery module 5 by bundling with a steel belt, which can ensure the stability of the connection and facilitate disassembly.

[0047] In addition, the expressions “first”, “second”, etc., which appear in the terms, are merely used to distinguish the description of the same or similar components, and should not be understood as emphasizing or implying the relative importance of specific components.

[0048] In addition, in the description of the technical solution, unless otherwise clearly specified / defined / restricted, the terms "set", "install", "connect", "connected", "provided with", "laid", and "arranged" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, and can be welding, riveting, bolting, threading, and other commonly used connection methods in the field. This connection can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the internal connection of two elements.

[0049] Example 2

[0050] like Figure 1 , Figure 2 , Figure 3 A specific use of a battery module vibration test fixture is shown. First, the end plate 7 is fixedly connected to the two ends of the battery module 5; secondly, the second clamping plate 2 and the retractable bracket 4 are installed on the vibration table 6; then, the end plate 7 is fixedly connected to the first clamping plate 1 and the second clamping plate 2 respectively through the connecting bolts 19; fourthly, two clamping assemblies 3 are respectively arranged on both sides of the battery module 5, so that the side of the clamping assembly 3 abuts against the battery module 5, that is, the side of the mounting frame facing the battery module 5 abuts against the side of the battery module 5, and then the clamping assembly 3 is fixedly installed on the vibration table 6; finally, the handle 17 is rotated, and the adjusting rod 13 is slid to drive the clamping plate 12 to abut against the top of the battery module 5, so as to complete the clamping and fixing of the battery module 5.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery module vibration test fixture, characterized in that: The invention comprises a first clamping plate (1), a second clamping plate (2), a retractable bracket (4) and at least two clamping assemblies (3); the first clamping plate (1) and the second clamping plate (2) are arranged opposite to each other for connecting two ends of a battery module (5); at least two clamping assemblies (3) are arranged opposite to each other on two sides of the battery module (5); the clamping assemblies (3) abut against the side and top of the battery module (5); the first clamping plate (1) is rotatably connected to the retractable bracket (4); the second clamping plate (2), the retractable bracket (4) and the clamping assembly (3) are all detachably arranged on a vibration table (6); the second clamping plate (2), the retractable bracket (4) and the clamping assembly (3) are capable of adjusting the installation position on the vibration table (6); the first clamping plate (1), the second clamping plate (2) and the clamping assembly (3) are capable of clamping the battery module (5).

2. A battery module vibration test fixture according to claim 1, characterized in that: The retractable support (4) comprises a hydraulic rod (8) and a mounting support (9), and one end of the hydraulic rod (8) is rotatably connected to the vibration table (6) via the mounting support (9).

3. A battery module vibration test fixture according to claim 2, characterized in that: A mounting seat (10) is provided on the side of the first clamping plate (1), and the mounting seat (10) is rotatably connected to the other end of the hydraulic rod (8).

4. A battery module vibration test fixture according to claim 1, characterized in that: The clamping assembly (3) comprises a mounting frame (11) and a clamping plate (12); an adjusting rod (13) is threadedly connected to the mounting frame (11); and the adjusting rod (13) is connected to the clamping plate (12).

5. A battery module vibration test fixture according to claim 4, characterized in that: At least one spring (14) is arranged between the bottom of the clamping plate (12) and the top of the mounting frame (11).

6. A battery module vibration test fixture according to claim 4, characterized in that: A handle (17) is provided at the bottom of the adjusting rod (13).

7. A battery module vibration test fixture according to claim 4, characterized in that: At least two fixing brackets (15) are arranged at the bottom of the outer side surface of the installation frame (11), and at least one reinforcing rib plate (16) is arranged at the inner side surface of the bottom of the installation frame (11).

8. A battery module vibration test fixture according to claim 1, characterized in that: The longitudinal sections of the first clamping plate (1) and the second clamping plate (2) are both L-shaped, and at least one threaded hole (18) is provided at the bottom of the first clamping plate (1) and the second clamping plate (2).

9. A battery module vibration test fixture according to claim 8, characterized in that: End plates (7) are respectively provided at both ends of the battery module (5), at least one through hole is opened on the top of the end plate (7), the threaded hole (18) matches the position of the through hole, and the first clamping plate (1) and the second clamping plate (2) are respectively fixedly connected to the end plates (7) at both ends of the battery module (5) by connecting bolts (19).

10. A battery module vibration test fixture according to claim 9, characterized in that: The end plate (7) is fixedly connected to the battery module (5) by binding with a steel belt.

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