Vibration test device

Abstract

The utility model relates to a vibration test device, which comprises a vibration table and a test clamp, a test product is arranged on the test clamp, the test clamp is arranged on a vertical table top of the vibration table, and the vertical table top is provided with a mounting hole position matched with the vibration table. The switching device is provided with universal mounting hole sets matched with mounting hole positions of vertical table tops of multiple specifications, the vertical table tops are fixedly connected with the universal mounting hole sets in the switching device through fasteners, and the switching device can be installed on a horizontal table top of a vibration table in a relatively rotating mode. And the switching device is rotated by 90 degrees to complete switching of the test product in X and Y test directions. According to the utility model, the switching steps of a vertical vibration test and a horizontal vibration test are greatly simplified, time and labor are saved, the test cost and the test switching difficulty can be reduced, the test efficiency is improved, the test fixture only needs to be designed according to the mounting hole site on the vertical table surface of the vibration table, the universality of the test fixture does not need to be considered, and the test efficiency is improved. And the test cost can be further reduced.

Description

Technical Field

[0001] This utility model belongs to the technical field of vibration testing equipment, and specifically relates to a vibration testing device. Background Technology

[0002] To test the reliability of electrical and electronic products, test samples must be mounted on a vibration test bench and subjected to vibration and shock tests according to standards such as IEC61373, GB / T21563, and GB / T28046. Existing vibration test benches can only perform vibration and shock tests in a single direction. When changing between the vertical and horizontal test directions, multiple people are required to move the vibration bench. Furthermore, since the horizontal test direction is divided into transverse and longitudinal directions, after completing a single horizontal test, multiple people are needed to disassemble and hoist the bench before completing the hole alignment and installation work for the other horizontal direction. This not only increases labor costs but also prolongs the test cycle and reduces test efficiency. In addition, the uneven distribution of hole diameters and positions on different types of vibration test benches makes it difficult for test fixtures to accommodate the mounting hole positions of various types of vibration test benches, resulting in poor versatility and high test costs. Utility Model Content

[0003] The main technical problem solved by this utility model is to provide a vibration testing device that simplifies the transition steps between vertical vibration testing and horizontal vibration testing, reduces testing costs and the difficulty of test transition, improves testing efficiency, and can significantly improve versatility and reduce testing costs.

[0004] To solve the aforementioned technical problem, the basic concept of the technical solution adopted by this utility model is as follows:

[0005] A vibration testing apparatus includes a vibration table base, a vibration table body, and a test fixture. The vibration table body is mounted on the vibration table base, and the test product is mounted on the test fixture. The test fixture is mounted on a vertical table surface, which has mounting holes adapted to the vibration table body. The apparatus also includes a adapter device with a universal mounting hole set that can be adapted to mounting holes of multiple sizes of vertical table surfaces. The vertical table surface is fixedly connected to the universal mounting hole set on the adapter device via fasteners. The adapter device can be rotatably mounted on a horizontal platform, which is mounted on the vibration table base. Rotating the adapter device 90° allows for the conversion of the X and Y test directions of the test product.

[0006] Furthermore, the adapter consists of a first adapter plate and a second adapter plate. The second adapter plate is fixed to the horizontal platform surface by fasteners. The first adapter plate is rotatably mounted on the second adapter plate by a rotating mechanism. The universal mounting hole group is provided on the first adapter plate, and the vertical platform is mounted on the first adapter plate.

[0007] Furthermore, both the first and second adapter plates are square flat plate structures with a certain thickness. The area of ​​the first adapter plate is smaller than that of the second adapter plate, and the center lines of the first and second adapter plates coincide.

[0008] Furthermore, the universal mounting hole group consists of several threaded mounting holes, and the vertical platform is fixedly connected to the corresponding threaded mounting holes by bolts. Multiple mounting through holes are provided on the second adapter plate, and the mounting through holes are located on the outside of the first adapter plate. The mounting through holes are fixedly connected to the horizontal platform surface by bolts.

[0009] Furthermore, a first positioning hole is provided on the first adapter plate, and four second positioning holes are provided on the second adapter plate. The four second positioning holes are respectively located on the same circumference and distributed at 90°. A positioning bolt is installed in the first positioning hole. After rotating to the position, the positioning bolt falls down and inserts into the lower second positioning hole to complete the 90° rotation of the first adapter plate relative to the second adapter plate.

[0010] Furthermore, the rotating mechanism includes an annular groove on the lower surface of the first adapter plate and at least three rollers embedded in the second adapter plate. The rollers are evenly arranged circumferentially, and the upper half of the rollers protrudes upward and is embedded in the annular groove, thereby realizing relative rotation between the first adapter plate and the second adapter plate.

[0011] Furthermore, at least two opening slots for inserting handling tools are provided on the sides of both the first and second adapter plates.

[0012] Furthermore, the test fixture includes a mounting plate, which is fixedly installed above a vertical platform. The bottom of the vertical platform is fixedly connected to a universal mounting hole group on the adapter or to a vibration table body. The test product is mounted on the mounting plate.

[0013] Furthermore, two parallel mounting rails are installed on the mounting plate, and multiple mounting holes are provided on the mounting rails. The test product is fixed to the two mounting rails by bolts.

[0014] Furthermore, the two mounting rails are connected to the mounting plate by linear sliding pairs, and the extension direction of the sliding pairs is perpendicular to the extension direction of the mounting rails.

[0015] In summary, the vibration testing device provided by this utility model has the following advantages compared with the prior art:

[0016] (1) When conducting vertical and horizontal tests, this utility model does not require the vibrator to be tilted. The test product, test fixture and vertical platform are simply removed from the vertical vibration table and installed on the horizontal platform. Moreover, when switching between the X and Y test directions, there is no need to tilt the table. This greatly simplifies the transition steps between vertical and horizontal vibration tests, saves time and effort, reduces test costs and difficulty of test transition, and improves test efficiency.

[0017] (2) This utility model utilizes an adapter to match the mounting holes on vertical tables of different specifications. Different specifications of vertical tables can find matching mounting holes on the adapter. The vertical tables can then be directly mounted on the adapter with fasteners for horizontal vibration testing. The test fixture only needs to be designed according to the mounting hole positions on the vertical table of the vibration table. There is no need to consider the universality of the test fixture, which helps to further reduce the test cost.

[0018] (3) The adapter in this utility model is very convenient to disassemble, assemble and rotate. It can not only ensure that the conversion angle is in place and reduce the difficulty of the conversion, but also ensure that the adapter is stable and reliable during vibration test, without affecting the test effect and ensuring the accuracy of the test results.

[0019] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0020] The accompanying drawings, as part of this utility model, are used to provide a further understanding of the present utility model. The illustrative embodiments and descriptions of the present utility model are used to explain the present utility model, but do not constitute an undue limitation of the present utility model. Obviously, the drawings described below are merely some embodiments; those skilled in the art can obtain other drawings based on these drawings without any creative effort.

[0021] In the attached diagram:

[0022] Figure 1 This is a schematic diagram of the vibration testing device of this utility model during a horizontal test;

[0023] Figure 2 This is a schematic diagram of the vibration testing device of this utility model during a vertical test;

[0024] Figure 3 This is a schematic diagram of the structure of the adapter of this utility model;

[0025] Figure 4 yes Figure 3 Structural explosion Figure 1 ;

[0026] Figure 5yes Figure 3 Structural explosion Figure 2 .

[0027] In the picture:

[0028] Vibration table base 1, vibration table body 2, vertical table surface 3, horizontal table surface 4, test product 5, test fixture 6, mounting plate 61, mounting rail 62, adapter 7, first adapter plate 71, second adapter plate 72, universal mounting hole group 8, threaded mounting hole 81, rotating mechanism 9, annular groove 91, roller 92, first positioning hole 10, second positioning hole 11, opening groove 12, mounting through hole 13.

[0029] It should be noted that the accompanying drawings and text description are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0031] In the description of this utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on this utility model.

[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] like Figure 1 and Figure 2 As shown, this utility model provides a vibration testing device, including a vibration table base 1 and a vibration table body 2. The vibration table body 2 is installed on the vibration table base 1. During the test, the test product 5 is installed on the test fixture 6, and the test fixture 6 is then fixedly installed on the vertical table surface 3.

[0034] like Figure 2 As shown, when conducting a vertical vibration test on the test product 5, the vertical platform 3 is installed above the vibration table body 2, and the vibration table body 2 provides vertical vibration power to the vertical platform 3 and the test product 5 above it. Figure 1 As shown, when conducting a horizontal vibration test on the test product 5, the vertical platform 3 is transferred and installed on the horizontal platform 4. The horizontal platform 4 is installed on one side of the vibration table 2, and the vibration table 2 provides horizontal vibration power to the horizontal platform 4 and the test product 5 above it.

[0035] In this embodiment, preferably, two vibration tables are provided: one for vertical vibration testing, with the table body 2 placed vertically; and the other for horizontal vibration testing, with the table body 2 placed horizontally. This eliminates the need to tilt the table body 2 during both vertical and horizontal tests. The test product 5, test fixture 6, and vertical platform 3 can simply be removed from the vertical vibration table body 2 and installed onto the horizontal platform 4, saving time and effort and improving testing efficiency.

[0036] In this embodiment, the vibration testing apparatus also includes an adapter 7, which is rotatably mounted on the horizontal platform 4, and the vertical platform 3 is mounted on the adapter 7. The adapter 7 has a universal mounting hole set 8 that is compatible with the mounting hole positions of various sizes of vertical platform 3. That is, the universal mounting hole set 8 on the adapter 7 can match the mounting holes on vertical platform 3 of different sizes. After different sizes of vertical platform 3 are removed from the vibration table 2, matching mounting holes can be found on the adapter 7, and the vertical platform 3 can be directly mounted on the adapter 7 using bolts or other fasteners for horizontal vibration testing. The test fixture 6 only needs to be designed according to the mounting hole positions on the vertical platform 3, without considering the universality of the test fixture 6. Furthermore, since the adapter 7 is rotatably mounted on the horizontal platform 4, the operator only needs to rotate the adapter 7 by 90° to complete the conversion of the test product 5 in the X and Y test directions, eliminating the disassembly and assembly process in the prior art. These changes greatly simplify the transition between vertical and horizontal vibration tests, reduce testing costs and the difficulty of transitioning between tests, and further improve testing efficiency.

[0037] like Figure 1 , Figures 3 to 5 As shown, in this embodiment, in order to simplify the structure of the adapter 7 and facilitate the rotation of the adapter 7, it is further preferred that the adapter 7 is composed of a first adapter plate 71 and a second adapter plate 72. The second adapter plate 72 is fixed on the horizontal platform surface 4, and the first adapter plate 71 is rotatably mounted on the second adapter plate 72 through the rotating mechanism 9. The vertical platform 3 is mounted on the first adapter plate 71, and the first adapter plate 71 has a universal mounting hole group 8.

[0038] In this embodiment, the adapter 7 is designed as a split structure that can rotate 360° relative to each other. This design allows for convenient fixed connection with existing horizontal platform 4 and vertical platform 3 while ensuring stable and reliable relative rotation. This improves the versatility of the device, reduces connection difficulty, and increases testing efficiency. Alternatively, the adapter 7 can be implemented as an integrated structure, directly mounted on the horizontal platform 4 via a rotating mechanism, and fixedly connected to the horizontal platform 4 by multiple bolts.

[0039] In this embodiment, it is further preferred that the first adapter plate 71 and the second adapter plate 72 are both square flat plate structures with a certain thickness. More preferably, metal plates, such as stainless steel plates, aluminum alloy plates or carbon steel plates, are used, which can facilitate installation and ensure structural strength.

[0040] In this embodiment, more preferably, the area of ​​the first adapter plate 71 is smaller than the area of ​​the second adapter plate 72, and the center lines of the first adapter plate 71 and the second adapter plate 72 coincide, allowing the first adapter plate 71 to rotate around the rotation center while ensuring stable and reliable rotation. Multiple mounting through holes 13 are provided on the second adapter plate 72, corresponding to threaded mounting holes (not shown in the figure) on the horizontal platform surface 4. Since the area of ​​the first adapter plate 71 is smaller than the area of ​​the second adapter plate 72, the multiple mounting through holes 13 are all placed on the outer side of the first adapter plate 71, and the mounting through holes 13 are fixedly connected to the horizontal platform surface 4 by bolts. This facilitates the operator in fixing the second adapter plate 72 to the horizontal platform surface 4. More preferably, one mounting through hole 13 is provided at each of the four corners of the second adapter plate 72, and the four mounting through holes 13 are fixedly connected to the horizontal platform surface 4 by four bolts.

[0041] In this embodiment, it is further preferred that the universal mounting hole group 8 consists of a plurality of threaded mounting holes 81. The diameters of the plurality of threaded mounting holes 81 can be the same or different. The design is based on the mounting hole positions of different specifications of vertical platform 3 for connection with vibration table 2, so that it encompasses the mounting hole positions of all vertical platform 3. That is, for vertical platform 3 of different specifications and types, a corresponding threaded mounting hole 81 can be found on the first adapter plate 71. The vertical platform 3 is fixedly connected to the corresponding matching threaded mounting hole 81 by bolts. Figure 3 As shown, in this embodiment, three rings of threaded mounting holes 81 are provided on the first adapter plate 71 from the inside to the outside, with eight threaded mounting holes 81 evenly distributed in each ring, that is, a total of 24 threaded mounting holes 81 are provided on the first adapter plate 71.

[0042] In this embodiment, preferably, the first adapter plate 71 is also provided with first positioning holes 10, and more preferably, four first positioning holes 10 are provided, located at the four corners of the first adapter plate 71. The second adapter plate 72 is provided with four second positioning holes 11, which are internally threaded holes. The four second positioning holes 11 are located on the same circumference and distributed at 90° intervals. A positioning bolt (not shown in the figure) is installed in each first positioning hole 10. After rotation to the correct position, the positioning bolt naturally falls and inserts into the corresponding second positioning hole 11 below, completing the 90° rotation of the first adapter plate 71 relative to the second adapter plate 72, thus completing the conversion of the X and Y test directions. Simultaneously, the four positioning bolts are tightened into the second positioning holes 11, fixing the first adapter plate 71 and the second adapter plate 72 together. This not only ensures the correct angle conversion and reduces the difficulty of the conversion, but also ensures that the first adapter plate 71 is stable and reliable during vibration testing, without affecting the test results and guaranteeing the accuracy of the test results.

[0043] like Figure 4 and Figure 5 As shown, in this embodiment, more preferably, the rotating mechanism 9 includes an annular groove 91 disposed on the lower surface of the first adapter plate 71 and at least three rollers 92 embedded in and mounted on the second adapter plate 72. The annular groove 91 has a semi-circular longitudinal section, and the upper half of each roller 92 protrudes upward and is embedded within the annular groove 91. That is, the first adapter plate 71 is supported on the multiple rollers 92 to achieve rotation of the first adapter plate 71 relative to the second adapter plate 72. In this embodiment, four rollers 92 are preferably disposed on the second adapter plate 72, and the four rollers 92 are evenly arranged circumferentially to ensure that the first adapter plate 71 can be evenly supported on the second adapter plate 72.

[0044] When changing the test direction between the X and Y directions, remove the four positioning bolts on the first adapter plate 71 and the second adapter plate 72, push the upper first adapter plate 71, and when it is rotated to 90°, the positioning bolts will fall down, indicating that the first adapter plate 71 has been rotated into place. This reduces the difficulty of changing the direction and also reduces the disassembly process of the test product 5 and the test fixture 6 by one, saving time and effort, reducing the difficulty of the transition, and improving the test efficiency.

[0045] In this embodiment, it is further preferred that at least two opening slots 12 for inserting handling tools are provided on the sides of both the first adapter plate 71 and the second adapter plate 72. Since both the first adapter plate 71 and the second adapter plate 72 are square structures, it is even more preferred that two opening slots 12 are provided on each side. This provides operators with multiple selectable handholds during handling, facilitating the process.

[0046] In this embodiment, more preferably, the test fixture 6 includes a mounting plate 61, which is fixedly mounted above the vertical platform 3. The mounting plate 61 is preferably square, and the test product 5 is mounted on top of the mounting plate 61. The vertical platform 3 preferably has an inverted conical structure, with a square top for easy connection to the mounting plate 61 and a circular bottom for easy connection to the vibration table 2. When transitioning to the horizontal platform 4, the bottom of the vertical platform 3 is fixedly connected to the universal mounting hole group 8 on the first adapter plate 71. The square mounting plate 61 facilitates the installation of test products 5 of different shapes, while the inverted conical structure of the vertical platform 3 facilitates fixed connection to the vibration table 2. The test fixture 6 only needs to be designed according to the mounting hole positions on the vertical platform 3, without considering the universality of the test fixture 6, which helps to further reduce testing costs.

[0047] In this embodiment, it is further preferred that two parallel mounting rails 62 are installed on the mounting plate 61, and multiple mounting holes (not shown in the figure) are provided on the mounting rails 62. The test product 5 is fixed to the two mounting rails 62 by bolts, and the operator can select the appropriate mounting hole for fixing according to the size of the test product 5.

[0048] This embodiment also provides another implementation method, in which the two mounting rails 62 are connected to the mounting plate 61 by linear sliding pairs (not shown in the figure). The extension direction of the linear sliding pairs is perpendicular to the extension direction of the mounting rails 62. This allows for easy adjustment of the distance between the two mounting rails 62. After adjustment, the mounting plate 61 is fixed by locking bolts, etc., so that it can be adapted to test products 5 of more specifications.

[0049] The device is used as follows:

[0050] 1. For example Figure 2 As shown, the vertical platform 3 is fixed to the vibration table body 2.

[0051] 2. The test fixture 6 is fixedly installed on the vertical platform 3 using multiple bolts.

[0052] 3. Install the test product 5 onto the test fixture 6.

[0053] 4. Start the vibrator and conduct a vertical vibration test on the test product 5 above.

[0054] 5. After the test, remove the vertical platform 3 from the vibration table 2. At this time, it is not necessary to remove the test fixture 6 and the test product 5 from the vertical platform 3. The whole thing is moved to the transfer device 7 on the horizontal platform 4 of another vibration table.

[0055] Before transport, the second adapter plate 72 is fixed to the horizontal platform surface 4 with four bolts, and then the first adapter plate 71 is fixed to the second adapter plate 72 with four positioning bolts.

[0056] 6. The vertical platform 3 is fixedly connected to the corresponding threaded mounting holes 81 on the first adapter plate 71 by multiple bolts. After connection, the rotation center of the vertical platform 3 is ensured to coincide with the rotation center of the first adapter plate 71.

[0057] 7. After fixing, start the vibrator and conduct a horizontal X-direction vibration test on one side of the test product 5.

[0058] 8. After the X-axis test is completed, loosen the four positioning bolts, rotate the first adapter plate 71, and after rotating 90°, the four positioning bolts will fall down naturally. Tighten the four positioning bolts to the second positioning hole 11 below.

[0059] 9. After fixing, start the vibrator and conduct a horizontal Y-direction vibration test on one side of the test product 5.

[0060] 10. After the Y-axis test is completed, the vertical platform 3, test fixture 6 and test product 5 can be removed from the horizontal platform 4.

[0061] The above solution has the following advantages:

[0062] 1. When conducting vertical and horizontal tests, this device eliminates the need to tilt the vibration table 2. Simply remove the test product 5, test fixture 6, and vertical platform 3 from the vertical vibration table 2 and install them onto the horizontal platform 4. Furthermore, no tilting operation is required when switching between X and Y test directions. This greatly simplifies the transition between vertical and horizontal vibration tests, saving time and effort, reducing test costs and transition difficulties, and improving test efficiency.

[0063] 2. The device can use the adapter 7 to match the mounting holes on vertical table 3 of different specifications. The vertical table 3 of different specifications can find matching mounting holes on the adapter 7. Then, the vertical table 3 can be directly installed on the adapter 7 with fasteners to carry out horizontal vibration test. The test fixture 6 only needs to be designed according to the mounting hole positions on the vertical table 3 of the vibration table. There is no need to consider the universality of the test fixture 6, which helps to further reduce the test cost.

[0064] 3. The adapter 7 in this device is very easy to disassemble, assemble, and rotate. It not only ensures that the conversion angle is in place and reduces the difficulty of the conversion, but also ensures that the adapter is stable and reliable during vibration testing, without affecting the test results and ensuring the accuracy of the test results.

[0065] 4. The adapter 7 is provided with an opening slot 12 for inserting handling tools. During the handling process, it provides operators with multiple hand points to choose from, making handling convenient and preventing slippage.

[0066] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-described technical content to create equivalent embodiments without departing from the scope of the present utility model. The implementation schemes in the above embodiments can be further combined or replaced. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A vibration testing apparatus, comprising a vibration table base, a vibration table body, and a test fixture, wherein the vibration table body is mounted on the vibration table base, the test product is mounted on the test fixture, and the test fixture is mounted on a vertical table surface having mounting holes adapted to the vibration table body, characterized in that: It also includes an adapter, which has a universal mounting hole set that can be adapted to the mounting holes of multiple sizes of vertical tabletops. The vertical tabletop is fixedly connected to the universal mounting hole set on the adapter by fasteners. The adapter can be rotatably mounted on a horizontal platform, which is mounted on a vibration table base. Rotating the adapter by 90° completes the conversion of the X and Y test directions of the test product.

2. The vibration testing apparatus according to claim 1, characterized in that: The adapter consists of a first adapter plate and a second adapter plate. The second adapter plate is fixed to the horizontal platform surface by fasteners. The first adapter plate is rotatably mounted on the second adapter plate by a rotating mechanism. The universal mounting hole group is set on the first adapter plate. The vertical platform is mounted on the first adapter plate.

3. The vibration testing apparatus according to claim 2, characterized in that: Both the first adapter plate and the second adapter plate are square flat plate structures with a certain thickness. The area of ​​the first adapter plate is smaller than that of the second adapter plate, and the center lines of the first adapter plate and the second adapter plate coincide.

4. The vibration testing apparatus according to claim 3, characterized in that: The universal mounting hole group consists of several threaded mounting holes. The vertical platform is fixedly connected to the corresponding threaded mounting holes by bolts. Multiple mounting through holes are provided on the second adapter plate. The mounting through holes are located on the outside of the first adapter plate. The mounting through holes are fixedly connected to the horizontal platform surface by bolts.

5. The vibration testing apparatus according to claim 2, characterized in that: A first positioning hole is provided on the first adapter plate, and four second positioning holes are provided on the second adapter plate. The four second positioning holes are respectively located on the same circumference and distributed at 90°. A positioning bolt is installed in the first positioning hole. After rotating to the position, the positioning bolt falls down and inserts into the lower second positioning hole to complete the 90° rotation of the first adapter plate relative to the second adapter plate.

6. The vibration testing apparatus according to claim 2, characterized in that: The rotating mechanism includes an annular groove on the lower surface of the first adapter plate and at least three rollers embedded in the second adapter plate. The rollers are evenly arranged circumferentially, and the upper half of the rollers protrudes upward and is embedded in the annular groove, thereby realizing relative rotation between the first adapter plate and the second adapter plate.

7. The vibration testing apparatus according to claim 2, characterized in that: At least two openings for inserting handling tools are provided on the sides of both the first and second adapter plates.

8. The vibration testing apparatus according to any one of claims 1-7, characterized in that: The test fixture includes a mounting plate, which is fixedly installed above a vertical platform. The bottom of the vertical platform is fixedly connected to a universal mounting hole group on the adapter or to a vibration table body. The test product is mounted on the mounting plate.

9. The vibration testing apparatus according to claim 8, characterized in that: Two parallel mounting rails are installed on the mounting plate, and multiple mounting holes are provided on the mounting rails. The test product is fixed to the two mounting rails by bolts.

10. The vibration testing apparatus according to claim 9, characterized in that: The two mounting rails are connected to the mounting plate by linear sliding pairs, and the extension direction of the sliding pairs is perpendicular to the extension direction of the mounting rails.

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