CN219416640U - Quality monitoring device for vibration or impact test - Google Patents
Quality monitoring device for vibration or impact test Download PDFInfo
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- CN219416640U CN219416640U CN202320523820.3U CN202320523820U CN219416640U CN 219416640 U CN219416640 U CN 219416640U CN 202320523820 U CN202320523820 U CN 202320523820U CN 219416640 U CN219416640 U CN 219416640U
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Abstract
The utility model discloses a quality monitoring device for vibration or impact test, which is based on an integrally formed design of a vibrating table and consists of a bottom plate, two opposite side walls and an upper wall plate, wherein the bottom plate is provided with bolt hole sites for connecting the quality monitoring device with a vibrating table system, the upper wall plate is of a middle concentrated mass block thin shell structure fixedly supported at two ends, and a measuring sensor for monitoring signals of a main vibration direction of a vibrating system is arranged at the upper end of the upper wall plate and is positioned above the middle concentrated mass block. The universal quality monitoring device for vibration or impact test has small volume, light weight and small interference factor of the obtained test result, and can accurately judge whether the vibration table meets the use requirement by judging methods such as Z value and F, t through methods such as comparison among laboratories, period check and the like based on the obtained vibration data.
Description
Technical Field
The utility model relates to the technical field of equipment quality monitoring, in particular to a quality monitoring device for vibration or impact test.
Background
Laboratory equipment is a basic core component in the field of environment detection, whether equipment indexes meet standard requirements relates to whether test results are reliable or not, and whether test pieces are subjected to examination according to set requirements is an important ring in environment detection quality monitoring. The vibration table test system mainly outputs sine vibration, random vibration and impact simulation signals to reproduce the external environmental load suffered by the test piece in the processes of transportation, collision, flight and the like, so as to achieve the capability of checking whether the test piece can bear such environments. The reliability of the vibrating table test system relates to the accuracy of the load applied to the test piece, so that the vibrating table test system is required to be subjected to quality monitoring, and the quality of the quality monitoring device has a great influence on the quality monitoring result.
The quality monitoring device used in more laboratories at present has the defects of large volume, heavy weight, unfavorable transportation and the like besides the interference of irrelevant factors in the test results, so that the design of the quality monitoring device which has small volume, light weight, convenient transportation and small interference of irrelevant factors is needed to be used as a measuring device for authoritatively judging whether the vibrating table test system meets the use requirement.
Disclosure of Invention
The utility model aims at solving the technical defects existing in the prior art, provides a quality monitoring device for vibration or impact test, and aims to solve the problems that the existing monitoring device based on a vibration table test system is large in size and heavy in weight, is not beneficial to transportation, has more irrelevant interference factors on test results, and is not good in judgment of test results.
The technical scheme adopted for realizing the purpose of the utility model is as follows:
a quality monitoring universal device for vibration or impact test is based on an integrally formed design of a vibrating table and consists of a bottom plate, two opposite side walls and an upper wall plate; the bottom plate is provided with bolt hole sites for the quality monitoring device is connected with the vibrating table system, the upper wall plate is of a middle centralized mass block thin shell structure with two ends fixedly supported, and a measuring sensor for monitoring signals of the main vibration direction of the vibrating system is arranged at the center position of the upper end of the upper wall plate and is positioned above the middle centralized mass block.
Wherein the middle concentrated mass block is convexly arranged on the surface of the upper wall plate opposite to the bottom plate.
The free end of the middle concentrated mass block points to the bottom plate and is separated from the bottom plate by a preset distance.
Wherein, the middle concentrated mass block enables two sides of the quality monitoring device to form a symmetrical structure.
Wherein the measuring sensor is a vibration monitoring sensor.
Wherein, vibration monitoring sensor is single-phase sensor or three-phase sensor.
The number of the bolt hole sites arranged on the bottom plate is at least two, and the bolt hole sites are arranged at intervals along the length direction of the bottom plate.
The quality monitoring device for vibration or impact test has small volume, light weight and small interference factor of the obtained test result, and can accurately judge whether the vibration table meets the use requirement by the methods of comparison among laboratories, period check and the like based on the obtained vibration data and the judging methods of Z value, F, t and the like.
Drawings
FIG. 1 is an isometric view of a quality monitoring device for vibration or shock testing of the present utility model.
Fig. 2 is a schematic bottom view of a quality monitoring device for vibration or shock testing of the present utility model.
Fig. 3 is a schematic front view of a quality monitoring device for vibration or shock testing of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 3, the quality monitoring device for vibration or impact test is based on a vibration table integrated design, and is composed of a bottom plate 1, two side walls 2 and an upper wall plate 3, wherein the bottom plate 1 is provided with universal bolt hole sites 4 for connecting the quality monitoring device with a vibration table system, the upper wall plate 3 is of a thin shell structure with two ends fixedly supporting a central mass block 6, and a measuring sensor 5 is arranged at the upper end of the upper wall plate and is positioned above the central mass block, preferably at the central position or the middle position of the upper wall plate surface.
The thickness of the two side walls is the same and is larger than that of the upper wall plate, the thickness of the bottom plate is the largest and is larger than that of the two side walls, and the upper wall plate and the measuring sensor on the upper wall plate are supported.
Preferably, the central mass block 6 is formed on the surface of the upper wall plate 3 opposite to the bottom plate 1 in a protruding manner, i.e. in a space formed by the bottom plate, the side plates and the upper wall plate of the quality monitoring device, and is preferably arranged in a middle position, so that the upper wall plate is in a structure of a substantially T shape in a front view, and the central mass block and the upper wall plate are in an integral structure and are excessively connected through an arc shape.
Preferably, the free end of the central mass block points to the bottom plate and is separated from the bottom plate by a preset distance.
Preferably, the central mass block forms a symmetrical structure on both sides of the quality monitoring device.
In the present utility model, the special structure with the central mass block of the upper wall plate 3 can reduce the first-order natural frequency of the upper wall plate 3. The structure of the utility model is light, is convenient for turnover transportation, can be integrally formed, and can effectively reduce the influence of structural instability on the result.
In the utility model, the measuring sensor is a vibration monitoring sensor for monitoring signals of a main vibration direction of a vibration system, and can be a single-phase sensor or a three-phase sensor for monitoring signals of a main vibration direction.
During the test, the measuring sensor is adhered to the middle position of the concentrated mass block, so that the influence of the quality factor of the measuring sensor on the first-order frequency of the upper wall plate 3 can be effectively reduced, and the influence of the uncorrelated factors on the test result is reduced.
During the test, sinusoidal vibration, random vibration and impact test load are applied to the vibration table system, test data of the measuring sensor are monitored, data methods such as first-order natural frequency, random vibration root mean square value and impact acceleration peak value of the upper wall plate 3 between laboratories are checked and compared during the test, and whether the vibration table system meets the use requirement is determined through judging methods such as Z, F, t value, so that the aim of quality monitoring is achieved.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof;
the present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The quality monitoring device for vibration or impact test is characterized by comprising a bottom plate, two opposite side walls and an upper wall plate based on the integrally formed design of a vibrating table; the bottom plate is provided with bolt hole sites for the quality monitoring device is connected with the vibrating table system, the upper wall plate is of a middle centralized mass block thin shell structure with two ends fixedly supported, and a measuring sensor for monitoring signals of the main vibration direction of the vibrating system is arranged at the center position of the upper end of the upper wall plate and is positioned above the middle centralized mass block.
2. A quality monitoring device for vibration or shock testing according to claim 1, wherein the intermediate concentrated mass is convexly formed on the surface of the upper wall plate opposite the bottom plate.
3. A quality monitoring device for vibration or shock testing according to claim 2, wherein the free end of the central mass is directed towards the base plate and is spaced a predetermined distance from the base plate.
4. A quality monitoring device for vibration or shock testing according to claim 3, wherein the central mass forms a symmetrical structure on both sides of the quality monitoring device.
5. The quality monitoring device for vibration or shock testing according to claim 1, wherein the measurement sensor is a vibration monitoring sensor.
6. The quality monitoring device for vibration or shock testing according to claim 5, wherein the vibration monitoring sensor is a single phase sensor or a three phase sensor.
7. The quality monitoring device for vibration or shock testing according to claim 1, wherein the base plate is provided with at least two bolt hole sites spaced apart along the length of the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320523820.3U CN219416640U (en) | 2023-03-17 | 2023-03-17 | Quality monitoring device for vibration or impact test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320523820.3U CN219416640U (en) | 2023-03-17 | 2023-03-17 | Quality monitoring device for vibration or impact test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219416640U true CN219416640U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320523820.3U Active CN219416640U (en) | 2023-03-17 | 2023-03-17 | Quality monitoring device for vibration or impact test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219416640U (en) |
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2023
- 2023-03-17 CN CN202320523820.3U patent/CN219416640U/en active Active
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