Vibration test tool

Abstract

A vibration test tool comprises a bottom plate used for being fixedly connected with a vibration table and a vertical plate used for fixing a product to carry out a horizontal vibration test, the bottom plate is vertically fixed to the vertical plate, and the bottom plate and the vertical plate are both provided with fixing holes; the bottom plate is further provided with a supporting seat used for fixing a product to perform a vertical vibration test, the supporting seat comprises a supporting plate and a supporting frame, the supporting plate is parallel to the bottom plate and used for fixing the product to perform the vertical vibration test, the supporting frame is used for fixing the supporting plate above the bottom plate, and the supporting plate is provided with a fixing hole. The tool composed of the bottom plate, the vertical plate and the supporting seat is adopted, a product can be fixed to the vertical plate or the supporting seat in different directions, and vibration testing of a sample in multiple directions can be completed only by changing the fixing direction of the product on the tool. Moreover, different products can be fixed on the vertical plate or the supporting plate for vibration testing, so that the test tool is high in universality and wide in application range.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of vibration test tool, belong to detection equipment technical field. BACKGROUND

[0002] Rail transportation is the main artery of national economy and social development, and has always been in the first place in the five major modes of transport in China. Rolling stock is the carrying tool of rail transportation, and undertakes a large amount of transportation work for the state. Impact and vibration are important factors affecting the working performance and service life of rolling stock equipment, so for some key components, impact and vibration tests must be passed in type tests. When performing impact and vibration tests, long-life vibration tests, impact tests and functional vibration tests need to be simulated in X, Y and Z directions respectively.

[0003] Since the vibration table is single-axis mode, to realize horizontal X and Y direction testing and vertical Z direction testing, a horizontal expansion table and a vertical expansion table need to be configured. After completing the horizontal direction test of the product, multiple personnel are needed to rotate the vibration table to connect the connection end of the vibration table with the vertical expansion table, and then fix the test sample on the vertical expansion table for testing. Due to the large weight of the vibration table, the rotation process is time-consuming and labor-intensive, and there is a certain risk, which greatly affects the work efficiency.

[0004] As can be seen, to complete X, Y and Z direction impact and vibration tests, the table needs to be installed three times, and the vibration table needs to be rotated from horizontal to vertical in between, which is a large amount of work. Therefore, a vibration test tool with high strength, high versatility and no need to install the table repeatedly is designed, which is beneficial to reduce the installation workload of the table and improve the test efficiency.

[0005] For example, the invention patent with application number 201910593934.3 and the name "vibration test fixture and vibration test device" uses a test fixture composed of a support table that can rotate along the base to fix the equipment to be tested, avoiding rotation of the table during testing. However, in this structure, although the vibration table does not need to be rotated, the direction of the support table still needs to be changed to realize vertical or horizontal vibration, so the work intensity is still large, the speed is slow and the efficiency is low when in use. UTILITY MODEL CONTENTS

[0006] The utility model aims at the above problems, and proposes a vibration test tool, which does not need to change the direction of the tool and does not need to rotate the vibration table when completing vibration tests in different directions, and only needs to change the fixing direction of the product.

[0007] A vibration test tool, comprising a bottom plate for fixed connection with a vibration table, a vertical plate for fixing a product for horizontal vibration test, wherein the bottom plate is fixed vertically on the vertical plate, and the bottom plate and the vertical plate are both provided with fixing holes; the bottom plate is further provided with a support seat for fixing the product for vertical vibration test, the support seat comprising a support plate arranged in parallel with the bottom plate for fixing the product, and a support frame for fixing the support plate above the bottom plate, wherein the support plate is provided with fixing holes.

[0008] Further, the bottom plate and the vertical plate are connected in L shape.

[0009] Further, the tool further comprises reinforcing ribs connected with the bottom plate and the vertical plate. The stability of the tool during the test is ensured.

[0010] Further, the reinforcing ribs are two, arranged at both ends of the bottom plate and on both sides of the support seat.

[0011] Further, the fixing holes on the bottom plate, the vertical plate and the support plate are all provided with multiple fixing holes.

[0012] Further, the fixing holes are through holes or screw holes.

[0013] Further, the support frame comprises two vertical plates, one end of each vertical plate is connected with the bottom plate, and the other end is connected with the support plate, and the two vertical plates are located at both ends of the support plate.

[0014] Further, the support frame further comprises an inclined plate connected with the bottom plate and the vertical plate.

[0015] Further, two inclined plates are arranged at one vertical plate, and are arranged in parallel on the surface of the vertical plate away from the other vertical plate.

[0016] Further, the support frame comprises four vertical columns, one end of each vertical column is connected with the bottom plate, and the other end is connected with the support plate, and the four vertical columns are evenly arranged at four edges of the support plate.

[0017] The beneficial effects of the utility model are:

[0018] 1. The utility model discloses a tool composed of a bottom plate, a vertical plate and a support seat, which can fix the product in different directions on the vertical plate or the support seat, and only by changing the fixing direction of the product on the tool, the vibration test of the sample in multiple directions can be completed, thereby greatly simplifying the test process and effectively improving the work efficiency.

[0019] 2. The utility model discloses a support seat arranged on the bottom plate, and the support plate is fixed above the bottom plate in parallel by the support frame, so that the product can be conveniently installed for vertical vibration test. DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall vibration test fixture in Example 1;

[0021] Figure 2 This is a schematic diagram of the support base in Embodiment 1;

[0022] Figure 3 This is a schematic diagram of the support base in Embodiment 2;

[0023] Figure 4 This is a schematic diagram of the temperature sensor to be tested in Example 3;

[0024] Figure 5 This is a schematic diagram of fixing the temperature sensor to the test fixture in Example 3;

[0025] Figure 6 Example 3: Schematic diagram of vibration test of temperature sensor;

[0026] In the diagram: 1. Base plate, 2. Vertical plate, 3. Support base, 31. Support frame, 311. Vertical plate, 312. Inclined plate, 313. Column, 32. Support plate, 4. Fixing hole, 5. Reinforcing rib, 6. Temperature sensor, 61. Thread. Detailed Implementation

[0027] The present invention will be further described below with reference to the accompanying drawings. The drawings are for illustrative purposes only, representing schematic diagrams only, not actual physical objects, and should not be construed as limiting the scope of this patent. To better illustrate the embodiments of the present invention, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings. Example 1

[0028] A vibration testing fixture, such as Figure 1 As shown, this embodiment is a general-purpose embodiment that can perform vibration testing on various products. The entire test fixture includes a base plate 1, a vertical plate 2, reinforcing ribs 5, and a support base 3. The base plate 1 and the vertical plate 2 are both square flat plates connected in an L-shaped structure. Two reinforcing ribs 5 are used, each forming a structure similar to a right triangle. The two right-angled sides of each reinforcing rib 5 are connected to the base plate 1 and the vertical plate 2, respectively. The base plate 1, the vertical plate 2, and the two reinforcing ribs 5 together form a sieve-like structure. The reinforcing ribs 5 at both ends of the base plate 1 and the vertical plate 2 ensure the connection strength of the entire test fixture and prevent the vertical plate 2 from separating from the base plate 1 during vibration testing. The support base 3 is fixedly mounted on the base plate 1, located between the two reinforcing ribs 5. The support base 3 can be fixed by welding to the surface of the base plate 1 or by bolting it to the base plate 1.

[0029] like Figure 2As shown, the support base 3 comprises a support plate 32 arranged in parallel with the bottom plate 1, and a support frame 31 for fixing and supporting the support plate 32. In this embodiment, the support plate 3 is also a square flat plate, and the support frame 31 comprises two vertical plates 311 and four inclined plates 312. The vertical plates 311 are also square flat plates, and the two vertical plates 311 are respectively located at the two ends of the support plate 32. Each vertical plate 311 is connected to the support plate 32 at one end and to the bottom plate 1 at the other end. Each inclined plate 312 has a structure similar to a triangle as a whole, and two inclined plates 312 are arranged in parallel on the sides away from each other of one vertical plate 311, that is, one right angle side of each inclined plate 312 is connected to the vertical plate 311, and the other right angle side is connected to the bottom plate 1, thereby ensuring the stability of the vertical plate 311 and ensuring that the support plate 32 and the bottom plate 1 maintain a stable parallel state.

[0030] As shown in Figure 1 and Figure 2 , the bottom plate 1, the vertical plate 2 and the support plate 32 are all provided with a plurality of fixing holes 4. The fixing holes 4 of the bottom plate 1 are used to fix and install the entire test tool to the vibration table, and of course, some of them can be used to lock the support base 3. The fixing holes 4 of the vertical plate 2 and the support plate 32 are both used to fix the products to be tested. When the product to be tested is fixed in the fixing holes 4 of the vertical plate 2, the horizontal vibration test of the product can be realized. When the product to be tested is fixed to the vertical plate 2 at different angles, the horizontal vibration test in the X or Y direction can be realized. When the product to be tested is fixed in the fixing holes 4 of the support plate 32, the vertical vibration test can be realized. Since the fixing holes 4 on the vertical plate 2 and the support plate 32 are provided in multiple, a plurality of products can be fixed on the vertical plate 2 or the support plate 32 at the same time, thereby realizing the vibration test of different products in the X direction, the Y direction and the Z direction at the same time, greatly improving the work efficiency.

[0031] Of course, the above structure can also be improved, such as providing fixing holes 4 on the reinforcing ribs 5, or replacing the reinforcing ribs 5 with another vertical plate 2, so that more products to be tested can be fixed at the same time. Embodiment Two

[0032] The difference between this embodiment and the above embodiment is the structure of the support frame 31. As shown in Figure 3 , in this embodiment, the support frame 31 comprises four vertical columns 312, each of which is uniformly located at the four edges of the support plate 32. Each vertical column 312 is connected to the support plate 32 at one end and to the bottom plate 1 at the other end. Embodiment Three

[0033] This embodiment is an illustration of vibration detection for specific products, as shown in Figure 4As shown, the product detected by the embodiment is a temperature sensor 6 used in a traction transformer oil tank. During use, the temperature sensor 6 is fixed by the thread 61 below. Therefore, the fixing holes 4 on the vertical plate 2 and the support plate 32 need to be screw holes. Of course, some of the fixing holes 4 on the vertical plate 2 and the support plate 32 can be designed as screw holes, and some of the fixing holes 4 can be designed as through holes, or some screw holes and some through holes are arranged alternately, and so on.

[0034] As shown in Figure 5 and Figure 6 shown, the vibration test tool is installed on the vibration table, two temperature sensors 6 are fixed on the vertical plate 2 of the vibration test tool at different angles, one temperature sensor 6 is fixed on the support plate 32, and the vibration test of one temperature sensor 6 in the X direction, one temperature sensor 6 in the Y direction, and another temperature sensor 6 in the Z direction is completed at the same time.

[0035] Of course, the size and shape of the bottom plate 1, the vertical plate 2, the support plate 3, and the support frame 31, and the number of fixing holes 4 on the bottom plate 1, the vertical plate 2, and the support plate 3 can be selected according to actual needs, and a plurality of different products can be tested at the same time on one test tool.

[0036] The above embodiment is only used to illustrate the utility model, and is not a limitation on the utility model. Those skilled in the art can make various changes or transformations without departing from the spirit and scope of the utility model. Therefore, all equivalent technical solutions should belong to the protection scope of the utility model, and the protection scope of the utility model should be defined by each claim.

Claims

1. A vibration test fixture, characterized by: The test device comprises a bottom plate for fixed connection with a vibration table, a vertical plate for fixing a product for horizontal vibration test, wherein the bottom plate is fixed vertically on the vertical plate, and the bottom plate and the vertical plate are both provided with fixing holes; the bottom plate is further provided with a support seat for fixing the product for vertical vibration test, the support seat comprises a support plate arranged in parallel with the bottom plate for fixing the product, and a support frame for fixing the support plate above the bottom plate, wherein the support plate is provided with fixing holes.

2. The vibration test fixture of claim 1, wherein: The bottom plate and the vertical plate are connected in L shape.

3. The vibration test fixture of claim 1, wherein: The test device further comprises reinforcing ribs connected with the bottom plate and the vertical plate.

4. The vibration test fixture of claim 3, wherein: The reinforcing ribs are provided with two, respectively arranged at two ends of the bottom plate and respectively arranged on two sides of the support seat.

5. The vibration test fixture of claim 2, wherein: The fixing holes on the bottom plate, the vertical plate and the support plate are all provided with multiple.

6. The vibration test fixture of claim 5, wherein: The fixing holes are through holes or screw holes.

7. The vibration test fixture of claim 2, wherein: The support frame comprises two vertical plates, one end of each vertical plate is connected with the bottom plate, and the other end is connected with the support plate, and the two vertical plates are respectively arranged at two ends of the support plate.

8. The vibration test fixture of claim 7, wherein: The support frame further comprises an inclined plate connected with the bottom plate and the vertical plate.

9. The vibration test fixture of claim 8, wherein: Two inclined plates are arranged at one vertical plate, and are arranged in parallel on a surface of the one vertical plate away from the other vertical plate.

10. The vibration test fixture of claim 2, wherein: The support frame comprises four vertical columns, one end of each vertical column is connected with the bottom plate, and the other end is connected with the support plate, and the four vertical columns are uniformly arranged at four edges of the support plate.

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