CN220542382U - Random vibration test amplifying clamp - Google Patents
Random vibration test amplifying clamp Download PDFInfo
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- CN220542382U CN220542382U CN202322012793.6U CN202322012793U CN220542382U CN 220542382 U CN220542382 U CN 220542382U CN 202322012793 U CN202322012793 U CN 202322012793U CN 220542382 U CN220542382 U CN 220542382U
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- bottom plate
- mounting panel
- random vibration
- vibration test
- vertical
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- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 229910000755 6061-T6 aluminium alloy Inorganic materials 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000006978 adaptation Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 101100495270 Caenorhabditis elegans cdc-26 gene Proteins 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model belongs to the field of random vibration tests. In view of the problems that the prior laboratory is lack of a large-scale vibrating table, and large-scale tests cannot be carried out, and an amplifying clamp is independently designed for different products, and has high cost and long period, the utility model discloses a random vibration test amplifying clamp which comprises a bottom plate; the connecting plates are annular and are arranged on the bottom plate in a stacked manner; the mounting panel is arranged at the top of the connecting plate; the installation panel, the connection plate and the bottom plate are connected into a whole through bolts, and a cavity is formed; a plurality of vertical pads arranged in the cavity, one end of each vertical pad is contacted with the upper surface of the bottom plate, and the other end of each vertical pad is contacted with the lower surface of the mounting panel; the vertical pad is connected with the bottom plate and the mounting panel integrally through bolts. The fixture realizes the adjustment of the rigidity of the fixture by changing the quantity of the connecting plates and the vertical pads, thereby being beneficial to improving the universality of the fixture, and realizing the adaptation of various products for test by changing different mounting panels.
Description
Technical Field
The utility model belongs to the field of random vibration tests, and particularly relates to a random vibration test amplifying clamp.
Background
The random vibration test (random vibration test) is to connect a test sample with a vibration table or a vibration exciter so that the test sample generates forced vibration, and the vibration waveform is controlled by feedback to meet the specified requirement and keep the specified duration; the purpose is mainly to determine whether the performance of an element, device or other product can meet the functional index when the element, device or other product is subjected to a vibration environment in the life cycle.
At present, a small-sized large-experiment-level product is usually tested by using a medium-sized and small-sized vibrating table in a laboratory, the thrust of a moving coil is in the range of 3T-5T, and the condition of insufficient thrust is easy to occur under the test condition that the power spectral density RMS exceeds 30 g. Therefore, a special resonance amplifying jig needs to be designed.
However, in practical use, different products need to be designed with the amplifying clamp separately, which results in high cost and long period.
Disclosure of Invention
In view of the problems that the prior laboratory lacks a large-scale vibration table, and a large-scale test cannot be carried out, and an amplifying clamp is designed for different products independently, the cost is high and the period is long, the utility model aims to provide the random vibration test amplifying clamp which is high in universality, convenient to adjust and high in reliability, so that the purposes of enhancing the applicability of the vibration table, reducing the damage loss to the vibration table, saving the labor time and improving the test effect and the laboratory capacity are achieved.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a random vibration test amplifying clamp comprises a bottom plate; a plurality of connecting plates which are annular and are arranged on the bottom plate in a stacking way; the mounting panel is arranged at the top of the connecting plate; the mounting panel, the connecting plate and the bottom plate are integrally connected through bolts, and a cavity is formed; a plurality of vertical pads arranged in the cavity, one end of each vertical pad is contacted with the upper surface of the bottom plate, and the other end of each vertical pad is contacted with the lower surface of the mounting panel; the vertical pad is connected with the bottom plate and the mounting panel integrally through bolts.
In one of the technical schemes disclosed by the utility model, a plurality of fixing through holes are uniformly distributed on the edge of the connecting plate along the circumferential direction; correspondingly, the bottom plate and the mounting panel are provided with connecting holes corresponding to the fixing through holes so as to connect the bottom plate, the connecting plate and the mounting panel into a whole.
In one of the technical schemes disclosed by the utility model, a through hole is arranged in the center of the vertical pad; and mounting holes corresponding to the threaded holes of the bottom plate are formed in four corners of the rectangle with the central position as the geometric center of the mounting panel and are used for fixing the vertical pad.
In one of the technical schemes disclosed by the utility model, a mounting hole is arranged at the central position of the mounting panel; correspondingly, the bottom plate is provided with a threaded hole corresponding to the mounting hole in the center of the mounting panel.
In one of the technical solutions disclosed in the utility model, the bottom plate, the connecting plate, the mounting panel and the vertical pad are all made of 6061T6 aluminum alloy.
In one of the technical schemes disclosed by the utility model, the bolts are 10.8-grade bolts.
From the above description, the beneficial effects of the utility model are as follows:
based on the structure combination formula design, through adjusting the anchor clamps structure, change the quantity of connecting plate and standing pad, realize the adjustment of anchor clamps rigidity to realize adjusting the resonant frequency of anchor clamps, let anchor clamps realize amplifying at wanted frequency channel, thereby be favorable to improving the commonality of anchor clamps, and can realize adapting multiple product and test through changing different installation panels.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the related art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of a longitudinal section structure of the present utility model.
Fig. 3 is a schematic view of another longitudinal section structure of the present utility model.
Reference numerals: 1-a bottom plate; 11-a threaded hole; 2-connecting plates; 21-fixing through holes; 3-mounting a panel; 31-connecting holes; 32-mounting holes; 4-standing cushion; 41-through holes.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
The embodiment of the utility model aims to design the random vibration test magnitude amplification clamp with strong universality, convenient adjustment, high reliability and good frequency spectrum response, thereby achieving the purposes of reducing the output power of equipment, reducing the loss of the equipment and the test cost, improving the test effect and improving the capacity range of a laboratory, and solving the problem that part of large magnitude vibration tests cannot be carried out due to the lack of a large-scale vibration table in the laboratory.
In order to achieve the above purpose, the embodiment of the utility model is based on a structure combination design, and the rigidity of the clamp is adjusted by adjusting the structure of the clamp, so that the resonance frequency of the clamp is adjusted, the clamp is amplified in a desired frequency band, the universality of the clamp is improved, and the clamp can be adapted to various products for testing by changing different mounting panels.
Specifically, as shown in fig. 1 to 3, the embodiment of the utility model discloses a random vibration test amplifying clamp, which structurally comprises a bottom plate 1, a plurality of connecting plates 2, a mounting panel 3 and a plurality of vertical pads 4.
The connecting plates 2 are annular and are arranged between the bottom plate 1 and the mounting panel 3 in a stacked manner; a plurality of fixing through holes 21 are uniformly distributed on the connecting plate 2 along the peripheral direction of the edge; correspondingly, the bottom plate 1 and the mounting panel 3 are provided with connecting holes 31 corresponding to the fixing through holes 21 one by one and are connected into a whole through bolts, and at the moment, a cavity 5 is formed by enclosing among the connecting plate 2, the bottom plate 1 and the mounting panel 3. A plurality of threaded holes 11 are uniformly distributed on the bottom plate 1. The mounting panel 3 has mounting holes 32 corresponding to the screw holes 11 at four corners of a rectangle having a geometric center at the center. A plurality of vertical pads 4 are arranged in the cavity 5, one end of each vertical pad is in close contact with the upper surface of the bottom plate 1, and the other end of each vertical pad is in close contact with the lower surface of the mounting panel 3; and the middle part of the vertical pad 4 is provided with a through hole 41 matched with the mounting hole 32 and the threaded hole 11, and is connected with the bottom plate 1 and the mounting panel 3 into a whole through bolts.
Therefore, in actual use, the rigidity of the clamp can be adjusted by adjusting the quantity of the connecting plates 2 and the vertical gaskets 4, so that the resonance frequency of the clamp is adjusted, the clamp can be amplified in a desired frequency band, the universality of the clamp is improved, and the purposes of improving the test effect and improving the laboratory capacity are achieved; and the bottom plate 1, the connecting plate 2, the mounting panel 3 and the vertical pad 4 are all connected through bolts, so that different mounting panels can be replaced to adapt to various products, the mounting and adjustment of the clamp are convenient, the labor time is saved, and the efficiency is improved.
More specifically, the mounting panel 3 is provided with a mounting hole at the center thereof, and correspondingly, the bottom plate is provided with a threaded hole which is matched with the mounting hole at the center of the mounting panel 3.
As a specific implementation of the above embodiment, the base plate 1, the connection plate 2, the mounting panel 3, and the standing mat 4 are all manufactured from a 6061T6 aluminum alloy with high strength. The bolts for connection are 10.8-stage high-strength bolts.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. A random vibration test amplification jig, comprising:
a bottom plate;
a plurality of connecting plates which are annular and are arranged on the bottom plate in a stacking way;
the mounting panel is arranged at the top of the connecting plate; the mounting panel, the connecting plate and the bottom plate are integrally connected through bolts, and a cavity is formed;
a plurality of vertical pads arranged in the cavity, one end of each vertical pad is contacted with the upper surface of the bottom plate, and the other end of each vertical pad is contacted with the lower surface of the mounting panel; the vertical pad is connected with the bottom plate and the mounting panel integrally through bolts.
2. The random vibration test amplification fixture of claim 1, wherein a plurality of fixing through holes are uniformly distributed on the edge of the connecting plate along the circumferential direction; correspondingly, the bottom plate and the mounting panel are provided with connecting holes corresponding to the fixing through holes so as to connect the bottom plate, the connecting plate and the mounting panel into a whole.
3. The random vibration test amplification fixture of claim 1, wherein a through hole is formed in the center of the vertical pad; and mounting holes corresponding to the threaded holes of the bottom plate are formed in four corners of the rectangle with the central position as the geometric center of the mounting panel and are used for fixing the vertical pad.
4. A random vibration test amplification jig according to claim 3, wherein a mounting hole is provided at a central position of the mounting panel; correspondingly, the bottom plate is provided with a threaded hole corresponding to the mounting hole in the center of the mounting panel.
5. The random vibration test amplification jig of claim 1, wherein the base plate, the connecting plate, the mounting panel, and the vertical pad are all fabricated from 6061T6 aluminum alloy.
6. The random vibration test amplification jig of claim 1, wherein the bolts are 10.8 class bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322012793.6U CN220542382U (en) | 2023-07-28 | 2023-07-28 | Random vibration test amplifying clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322012793.6U CN220542382U (en) | 2023-07-28 | 2023-07-28 | Random vibration test amplifying clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220542382U true CN220542382U (en) | 2024-02-27 |
Family
ID=89974771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322012793.6U Active CN220542382U (en) | 2023-07-28 | 2023-07-28 | Random vibration test amplifying clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220542382U (en) |
-
2023
- 2023-07-28 CN CN202322012793.6U patent/CN220542382U/en active Active
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