Vibration test tool

Abstract

The utility model provides a vibration test tool, which comprises a base connected with a vibration table, a connecting part arranged on the base, and a fixing part arranged at the top of the connecting part, the connecting part comprises a plurality of splicing blocks which are spliced in the transverse direction and the height direction; the fixing part comprises a plurality of fixing blocks which are transversely spliced, and the fixing blocks are arranged on the splicing blocks at the top of the connecting part; the fixing block is provided with a hanging end extending in the longitudinal direction, and a fixing hole used for hanging a battery pack is formed in the hanging end. According to the vibration test tool provided by the utility model, through the arrangement of the splicing blocks and the fixing blocks, the length and the height of the connecting part can be changed through the splicing combination of different numbers of splicing blocks, and the width of the fixing part can be changed through the splicing combination of different numbers of fixing blocks. The size of the vibration testing tool is adjusted according to the size of the tested battery pack, so that the vibration testing tool is suitable for battery packs of different structural sizes and has good universality.

Description

Technical Field

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

[0002] With the rapid development of the new energy vehicle industry, the performance and safety of battery packs, as the core components of electric vehicles, are increasingly valued. In order to improve the reliability and safety of battery packs, various tests are required to find defects and make improvements. Battery pack tests include vibration tests.

[0003] At present, vibration testing is usually carried out by hoisting and fixing the battery pack on a vibration table, and the battery pack is subjected to vibration testing through the vibration of the vibration table to simulate the movement of the battery pack at the bottom of the vehicle during driving, so as to detect the reliability and safety of the battery pack when moving with the vehicle.

[0004] However, with the continuous development of new energy vehicles, there are more and more types of battery packs, and the structural dimensions and installation point heights of different types of battery packs are different. The existing vibration test tooling can only test one or several specific battery packs, and cannot perform vibration tests on battery packs of different structural dimensions, and has poor versatility. Utility Model Content

[0005] In view of this, the utility model aims to provide a vibration test fixture that can be applicable to battery packs of different structural sizes, thereby having good versatility.

[0006] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0007] A vibration test tool comprises a base connected to a vibration table, a connecting portion arranged on the base, and a fixing portion arranged on the top of the connecting portion; the connecting portion comprises a plurality of splicing blocks spliced ​​in the transverse and height directions; the fixing portion comprises a plurality of transversely spliced ​​fixing blocks, and the fixing blocks are arranged on the splicing blocks on the top of the connecting portion; the fixing blocks have a hanging end extending in the longitudinal direction, and the hanging end is provided with a fixing hole for hanging a battery pack.

[0008] Furthermore, each of the fixing blocks and each of the splicing blocks is provided with a first through hole; in the height direction, each of the first through holes on each of the fixing blocks and each of the splicing blocks is connected to form a first channel that passes through the connecting part and the fixing part along the height direction; the first connecting member can pass through the first channel and fasten the fixing block and the connecting part to the base.

[0009] Furthermore, the first through holes on each of the fixing blocks and each of the splicing blocks are configured as a plurality of holes spaced apart in the longitudinal direction to form a plurality of the first channels; and the first connecting members are configured as a plurality of holes corresponding one to one to each of the first channels.

[0010] Furthermore, the first connecting member is a first bolt, and the first bolt can be screwed into a threaded hole of the base to fasten each of the fixing blocks and each of the splicing blocks to the base.

[0011] Furthermore, the threaded holes are configured as a plurality of holes arranged horizontally and vertically in a dot matrix on the base.

[0012] Furthermore, each of the fixed blocks and each of the splicing blocks is provided with a second through hole; in the transverse direction, the second through holes on each of the fixed blocks are connected, and the second through holes on each of the splicing blocks are connected to form a second channel that passes through in the transverse direction; the second connecting member can pass through the second channel and connect the fixed blocks or the splicing blocks in the transverse direction together.

[0013] Furthermore, the second through holes on each of the fixing blocks and each of the splicing blocks are configured as a plurality of holes spaced apart in the longitudinal direction to form a plurality of the second channels; and the second connecting members are configured as a plurality of holes corresponding one to one to each of the second channels.

[0014] Furthermore, the second connecting member includes a second bolt and a nut screwed on the second bolt; the second bolt passes through the second channel from one side of the connecting part or the fixing part and is connected to the nut on the other side to connect the splicing blocks or fixing blocks together in the transverse direction.

[0015] Furthermore, a plurality of positioning pins are provided at the top of each of the splicing blocks; and a plurality of positioning holes for inserting the positioning pins are provided at the bottom of each of the splicing blocks and the fixing block.

[0016] Furthermore, the length h of the positioning pin satisfies: h≥5mm.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] The vibration test tooling described in the utility model can change the length and height of the connecting portion by splicing different numbers of splicing blocks and changing the width of the fixing portion by splicing different numbers of fixing blocks through the arrangement of splicing blocks and fixing blocks, so as to adjust the size of the vibration test tooling according to the size of the battery pack being tested, thereby being suitable for battery packs of different structural sizes and having good versatility.

[0019] In addition, each fixed block and each splicing block is provided with a first through hole, each first through hole is connected in the height direction, and a first connecting member can be inserted. Through the arrangement of the first through hole and the first connecting member, the fixing part and the connecting part are fastened to the base, thereby improving the stability of the splicing and stacking of each splicing block and the fixed block, and avoiding lateral displacement between the splicing blocks and causing the connecting part to fall. The first through holes are configured as a plurality of spaced-apart holes, which can further improve the stability of each splicing block and each fixed block. The first connecting member is a first bolt with good connection strength, and can facilitate the splicing operation of the splicing block and the fixed block, thereby ensuring the connection stability of the fixing part and the connecting part on the base.

[0020] Secondly, the base is provided with a plurality of threaded holes arranged in a dot matrix, so that a plurality of connecting parts and fixing parts can be installed on the base, and the installation position and direction of each connecting part can be changed to adapt to battery packs of different structural sizes. Each fixed block and each splicing block is provided with a second through hole, each second through hole is connected in the horizontal direction, and a second connecting member can be inserted, thereby passing through each fixed block and each splicing block in the horizontal direction, ensuring the connection stability between each splicing block and between each fixed block. The second through hole is configured in multiple numbers, which further improves the stability of the connection between each splicing block and each fixed block. The second connecting member includes a second bolt and a nut screwed on the second bolt, and has good connection strength.

[0021] In addition, the splicing blocks are provided with positioning pins, and the splicing blocks and the fixed blocks are provided with positioning holes. Through the coordinated arrangement of the positioning pins and the positioning holes, the splicing blocks and the fixed blocks are aligned in the height direction to ensure that the first through holes are interconnected. The length of the positioning pins h ≥ 5mm ensures the stability of the connection between the positioning pins and the positioning holes, and prevents horizontal displacement between the splicing blocks or between the splicing blocks and the fixed blocks. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0023] Figure 1 This is a schematic diagram of the overall structure of the vibration testing tooling according to an embodiment of the utility model;

[0024] Figure 2 An exploded view of the vibration test tooling according to an embodiment of the utility model;

[0025] Figure 3 For the utility model Figure 1 A cross-sectional view at the position indicated by AA;

[0026] Figure 4 For the utility model Figure 1A cross-sectional view at the position indicated by BB;

[0027] Description of reference numerals:

[0028] 1. Base; 101. Threaded hole;

[0029] 2. Connecting part; 201. Splicing block; 202. Positioning pin; 203. Positioning hole;

[0030] 3. Fixing part; 301. Fixing block; 302. Fixing hole;

[0031] 4. a first through hole;

[0032] 5. A first connecting member;

[0033] 6. a second through hole;

[0034] 7. Second connecting member; 701. Second bolt; 702. Nut. DETAILED DESCRIPTION

[0035] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0036] In the following description, specific details such as specific system structures, technologies, etc. are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present application. However, it should be clear to those skilled in the art that the present application may also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to prevent unnecessary details from obstructing the description of the present application.

[0037] In the description of the present invention, it should be noted that if there are terms such as "upper", "lower", "inner", "outer" and the like indicating orientation or positional relationship, they are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, if there are terms such as "first" and "second", they are also used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0038] In addition, in the description of the present invention, unless otherwise clearly defined, the terms "installation", "connection", "connection" and "connector" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood in combination with specific circumstances.

[0039] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0040] This embodiment relates to a vibration test tool, which is arranged on a vibration table and is used to perform vibration test on a battery pack. Figure 1 and Figure 2 As shown, the vibration testing tool of this embodiment includes a base 1 , a connecting part 2 and a fixing part 3 .

[0041] The base 1 is arranged on the vibration table and connected to the vibration table, the connecting part 2 is arranged on the base 1, and the fixing part 3 is arranged on the top of the connecting part 2. The connecting part 2 includes a pair of splicing blocks 201 spliced ​​in the horizontal and height directions, and the fixing part 3 includes a plurality of fixing blocks 301 spliced ​​in the horizontal direction, and the fixing block 301 is arranged on the splicing block 201 at the top of the connecting part 2. At the same time, the fixing block 301 has a hanging end extending in the longitudinal direction, and the hanging end is provided with a fixing hole 302 for hanging the battery pack.

[0042] At this time, as set above, through the setting of the splicing block 201 and the fixed block 301, the present embodiment can change the length and height of the connecting portion 2 by splicing different numbers of splicing blocks 201, and change the width of the fixed portion 3 by splicing different numbers of fixed blocks 301, so as to adjust the size of the present embodiment according to the size of the battery pack being tested, so that it is suitable for battery packs of different structural sizes and has good versatility.

[0043] Based on the above overall introduction, specifically, when the vibration test fixture of this embodiment tests the battery pack, the battery pack is suspended and fixed on the vibration test fixture through the fixing hole 302 to simulate the vibration of the battery pack being hoisted on the vehicle chassis and moving with the vehicle. In specific implementation, the battery pack can be hoisted on the hanging end of the fixed block 301 through the fixing hole 302 through the well-known connectors described by those skilled in the art, such as fixing bolts and fixing nuts 702. When testing the battery pack, a plurality of vibration test fixtures of this embodiment are provided on the vibration table used for testing to connect the various installation points of the battery pack to ensure the stability of the battery pack installed on the vibration table.

[0044] In addition, the chassis of this embodiment may be provided with a plurality of connecting parts 2 and fixing parts 3 corresponding to the connecting parts 2, so as to facilitate the connection of the battery pack. Moreover, the chassis is a flat plate structure, and the chassis may be in various shapes, such as rectangular, L-shaped, etc., and has sufficient area in the horizontal direction for setting a plurality of connecting parts 2. In addition, in the specific implementation, the splicing block 201 and the fixing block 301 of this embodiment are rectangular block structures extending in the longitudinal direction, and the four corners of the side of the splicing block 201 are chamfered to prevent the battery pack from being damaged by collision with the splicing block 201, that is, the connecting part 2, when the battery pack is loaded.

[0045] In order to improve the stability of the splicing and stacking of each splicing block 201 and each fixing block 301 in the height direction, so as to improve the overall structural strength of the vibration test tooling, as shown in FIG. Figure 1 and Figure 3 As shown, each fixed block 301 and each splicing block 201 of this embodiment is provided with a first through hole 4. In the height direction, each fixed block 301 and each first through hole 4 on each splicing block 201 are connected to form a first channel that passes through the connecting portion 2 and the fixed portion 3 in the height direction. The first connecting member 5 can pass through the first channel and fasten the fixed block 301 and the connecting portion 2 to the base 1. Through the provision of the first through hole 4 and the first connecting member 5, the first connecting member 5 can pass through each fixed block 301 and each splicing block 201 in the height direction to fasten the fixing portion 3 and the connecting portion 2 to the base 1, thereby improving the stability of the splicing and stacking of each splicing block 201 and the fixed block 301, avoiding lateral displacement between the splicing blocks 201 and causing the connecting portion 2 to fall, thereby improving the overall structural strength of the vibration test work.

[0046] In order to further improve the stability of each splicing block 201 and each fixed block 301, the first through holes 4 on each fixed block 301 and each splicing block 201 of this embodiment are configured to be arranged longitudinally, that is, a plurality of first channels are arranged at intervals along the length direction of the splicing block 201. And the first connecting member 5 is configured to be a plurality of first channels corresponding to each first channel. By setting a plurality of first through holes 4, the stability of each splicing block 201 and each fixed block 301 can be further improved. At the same time, the setting of a plurality of first connecting members 5 can prevent the splicing block 201 or the fixed block 301 from rotating in the horizontal direction when the splicing block 201 and the fixed block 301 are stacked, thereby preventing the splicing block 201 or the fixed block 301 from shifting between the splicing blocks 201, thereby further improving the overall structural strength of the vibration test work. In specific implementation, the first through holes 4 are preferably configured to be three arranged at intervals, and of course, they can also be set to other numbers according to the length of the splicing block 201 and the fixed block 301.

[0047] Specifically, the first connecting member 5 of the present embodiment is a first bolt, which can be screwed into the threaded hole 101 of the base 1 to fasten each fixing block 301 and each splicing block 201 to the base 1. The first bolt has good connection strength and can facilitate the splicing operation of the splicing block 201 and the fixing block 301, thereby ensuring the connection stability of the fixing part 3 and the connecting part 2 on the base 1. In a specific implementation, the first through hole 4 on the fixing block 301 can be configured as a stepped hole to accommodate the end of the first bolt to ensure the flatness of the fixing part 3, and the first bolt can preferably be a hexagon socket head bolt.

[0048] In addition, the threaded holes 101 of the present embodiment are configured as a plurality of threads arranged horizontally and vertically in a lattice pattern on the base 1. Through the threaded holes 101 arranged in a lattice pattern, a plurality of connecting parts 2 and fixing parts 3 can be installed on the base 1, and the installation position and direction of each connecting part 2 can be changed, so that the vibration test tooling can adapt to battery packs of different structural sizes, further improving the versatility of the present embodiment.

[0049] In this embodiment, in order to improve the connection stability of each splicing block 201 and each fixing block 301 in the lateral direction, as shown in FIG. Figure 1 and Figure 4 As shown, each fixed block 301 and each splicing block 201 of this embodiment is provided with a second through hole 6. In the horizontal direction, the second through holes 6 on each fixed block 301 are connected, and the second through holes 6 on each splicing block 201 are connected to form a second channel that runs through in the horizontal direction. The second connecting member 7 can pass through the second channel and connect each fixed block 301 or each splicing block 201 in the horizontal direction together. Through the provision of the second through hole 6 and the second connecting member 7, the second connecting member 7 can pass through each fixed block 301 and each splicing block 201 in the horizontal direction, ensure the connection stability between each splicing block 201 and each fixed block 301, prevent the splicing block 201 and the fixed block 301 from shifting in the horizontal direction, thereby improving the overall structural strength of the vibration test work.

[0050] In order to further improve the connection stability of each splicing block 201 and each fixed block 301 in the lateral direction, the second through holes 6 on each fixed block 301 and each splicing block 201 of this embodiment are configured as a plurality of second through holes 6 arranged at intervals in the longitudinal direction to form a plurality of second channels, and the second connecting members 7 are configured as a plurality of second channels corresponding to each second channel. By providing a plurality of second through holes 6 and second connecting members 7, the connection stability of each splicing block 201 and each fixed block 301 is further improved, thereby improving the structural strength of the fixing portion 3 and the connecting portion 2.

[0051] Specifically, the second connecting member 7 of this embodiment includes a second bolt 701 and a nut 702 screwed on the second bolt 701. The second bolt 701 passes through the second channel from one side of the connecting portion 2 or the fixing portion 3 and is connected to the nut 702 on the other side, so as to connect the splicing blocks 201 or the fixing blocks 301 together in the transverse direction. The second bolt 701 and the nut 702 cooperate to have a good connection strength. The splicing blocks 201 or the fixing blocks 301 are clamped by the end of the second bolt 701 and the nut 702, and are more stable in the transverse direction, thereby improving the structural strength.

[0052] In addition, in this embodiment, in order to facilitate the stacking of each splicing block 201 and each fixed block 301 in the height direction, a plurality of positioning pins 202 are provided at the top of each splicing block 201 of this embodiment, and a plurality of positioning holes 203 for inserting the positioning pins 202 are provided at the bottom of each splicing block 201 and the fixed block 301. Through the coordinated arrangement of the positioning pins 202 and the positioning holes 203, when stacking each splicing block 201 and the fixed block 301, the positioning pins 202 on the lower splicing block 201 are inserted into the positioning holes 203 on the upper splicing block 201 or the fixed block 301, so that each splicing block 201 and the fixed block 301 are aligned in the height direction to ensure that each first through hole 4 is connected to each other, so that the operator can insert the first connecting member 5 into the fixing portion 3 and the connecting portion 2, and the assembly operation of the operator is convenient. In a specific implementation, the positioning pins 202 may preferably be configured in two numbers and disposed longitudinally at two opposite ends of the top of the splicing block 201. Of course, the positioning pins 202 may also be configured in multiple numbers as long as the positioning effect can be achieved.

[0053] Specifically, the length h of the positioning pin 202 of this embodiment satisfies: h ≥ 5mm, so that the positioning pin 202 has a sufficient length to ensure the stability of the connection between the positioning pin 202 and the positioning hole 203, and prevent horizontal displacement between the splicing blocks 201 or between the splicing block 201 and the fixed block 301, further ensuring the structural stability of the vibration test tooling of this embodiment. In specific implementation, the positioning hole 203 can pass through the splicing block 201 and the fixed block 301 in the height direction to ensure that the positioning pin 202 has a sufficient length.

[0054] In summary, the vibration test tooling of the present embodiment, through the arrangement of the splicing blocks 201 and the fixed blocks 301, can change the length and height of the connecting portion 2 by splicing different numbers of the splicing blocks 201, and change the width of the fixed portion 3 by splicing different numbers of the fixed blocks 301, so as to adjust the size of the vibration test tooling according to the size of the battery pack being tested, thereby being suitable for battery packs of different structural sizes and having good versatility.

[0055] 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, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A vibration test tool, characterized in that: It includes a base connected to the vibration table, a connecting part arranged on the base, and a fixing part arranged on the top of the connecting part; The connecting portion includes a plurality of splicing blocks spliced ​​in the lateral and height directions; The fixing portion comprises a plurality of transversely spliced ​​fixing blocks, wherein the fixing blocks are arranged on the splicing blocks at the top of the connecting portion; The fixing block has a hanging end extending in the longitudinal direction, and the hanging end is provided with a fixing hole for hanging the battery pack.

2. The vibration test tool according to claim 1, characterized in that: Each of the fixing blocks and each of the splicing blocks is provided with a first through hole; In the height direction, each of the first through holes on each of the fixing blocks and each of the splicing blocks is connected to form a first channel that passes through the connecting portion and the fixing portion in the height direction; The first connecting member can pass through the first channel and fasten the fixing block and the connecting portion to the base.

3. The vibration test tool according to claim 2, characterized in that: The first through holes on each of the fixing blocks and each of the splicing blocks are configured to be a plurality of holes spaced apart in the longitudinal direction, and form a plurality of the first channels; The first connecting members are configured in a plurality corresponding to the first channels one by one.

4. The vibration test tool according to claim 3, characterized in that: The first connecting member is a first bolt, and the first bolt can be screwed into the threaded hole of the base to fasten each of the fixing blocks and each of the splicing blocks to the base.

5. The vibration test tool according to claim 4, characterized in that: The threaded holes are arranged in a plurality of rows and columns in a matrix on the base.

6. The vibration test tool according to claim 1, characterized in that: Each of the fixing blocks and each of the splicing blocks is provided with a second through hole; In the transverse direction, the second through holes on the fixing blocks are connected, and the second through holes on the splicing blocks are connected to form a second channel that penetrates in the transverse direction; The second connecting member can pass through the second passage and connect the fixing blocks or the splicing blocks in the transverse direction together.

7. The vibration testing tool according to claim 6, characterized in that: The second through holes on each of the fixing blocks and each of the splicing blocks are configured to be a plurality of the second through holes spaced apart in the longitudinal direction, and form a plurality of the second channels; The second connecting members are configured to be a plurality of members corresponding one-to-one to the second channels.

8. The vibration testing tool according to claim 7, characterized in that: The second connecting member comprises a second bolt and a nut threaded onto the second bolt; The second bolt passes through the second channel from one side of the connecting portion or the fixing portion and is connected to the nut on the other side, so as to connect the splicing blocks or fixing blocks together in the transverse direction.

9. The vibration testing tool according to any one of claims 1 to 8, characterized in that: A plurality of positioning pins are provided at the top of each splicing block; The bottom of each of the splicing blocks and the fixing block is provided with a plurality of positioning holes for the positioning pins to be inserted.

10. The vibration testing tool according to claim 9, characterized in that: The length h of the positioning pin satisfies: h≥5mm.

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