CN221123757U - Vibration fatigue test fixture for reinforced wallboard - Google Patents
Vibration fatigue test fixture for reinforced wallboard Download PDFInfo
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- CN221123757U CN221123757U CN202323076627.9U CN202323076627U CN221123757U CN 221123757 U CN221123757 U CN 221123757U CN 202323076627 U CN202323076627 U CN 202323076627U CN 221123757 U CN221123757 U CN 221123757U
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 28
- 238000012360 testing method Methods 0.000 claims abstract description 38
- 210000003205 muscle Anatomy 0.000 claims 1
- 238000005452 bending Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000007906 compression Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Abstract
The application belongs to the technical field of vibration fatigue tests of reinforced wall plates, and particularly relates to a vibration fatigue test fixture for a reinforced wall plate, which comprises the following components: one end of the vibration adapter plate is horizontally connected to the vibration table, and the other end of the vibration adapter plate is provided with a vertical upward vibration adapter edge; the mounting clamp plate is vertically connected to the vibration switching edge through a plurality of pairs of bolts, and the side walls of the L-shaped ribs of the reinforced wallboard test pieces back to the wallboard are pressed on the vibration switching edge; each reinforced wallboard test piece corresponds to a pair of bolts.
Description
Technical Field
The application belongs to the technical field of vibration fatigue tests of reinforced wall plates, and particularly relates to a vibration fatigue test fixture for a reinforced wall plate.
Background
There are a large amount of stiffened wall panels in the aircraft, and the rib section is L type on it, and on the rib side wall connection wallboard of L type, a side wall is connected on fixed knot constructs.
The reinforced wallboard in the aircraft is usually in a large dynamic load environment, is easy to generate vibration fatigue damage, and a corresponding vibration fatigue test needs to be designed in the design stage to evaluate the vibration fatigue life of the reinforced wallboard.
At present, in order to practice thrift the time cost of vibration fatigue test, carry out vibration fatigue test to the reinforced wallboard test piece with higher vibration frequency with ultrasonic fatigue testing machine more, this kind of technical scheme has following defect:
1) The ultrasonic fatigue testing machine applies axial tension-compression vibration to the reinforced wallboard test piece, which is not in line with the fact that the reinforced wallboard of an airplane is usually subjected to flexural vibration fatigue damage;
2) The ultrasonic fatigue testing machine generally needs to vibrate at 20000Hz, so that a large amount of heat energy is easily generated in the reinforced wallboard test piece, and the vibration fatigue performance of the reinforced wallboard test piece is affected;
3) Only a single reinforced wallboard test piece can be tested at a time, and when the number of reinforced wallboard tests requiring vibration fatigue tests is large, a large time cost is still required.
The present application has been made in view of the above-described technical drawbacks.
It should be noted that the above disclosure of the background art is only for aiding in understanding the inventive concept and technical solution of the present application, which is not necessarily prior art to the present patent application, and should not be used for evaluating the novelty and creativity of the present application in the case where no clear evidence indicates that the above content has been disclosed at the filing date of the present application.
Disclosure of Invention
The application aims to provide a vibration fatigue test fixture for a reinforced wallboard, which overcomes or alleviates at least one technical defect existing in the prior art.
The technical scheme of the application is as follows:
A vibration fatigue test fixture for a reinforced wallboard, comprising:
One end of the vibration adapter plate is horizontally connected to the vibration table, and the other end of the vibration adapter plate is provided with a vertical upward vibration adapter edge;
The mounting clamp plate is vertically connected to the vibration switching edge through a plurality of pairs of bolts, and the side walls of the L-shaped ribs of the reinforced wallboard test pieces back to the wallboard are pressed on the vibration switching edge;
each reinforced wallboard test piece corresponds to a pair of bolts.
According to at least one embodiment of the present application, in the reinforced wallboard vibration fatigue test fixture, the vibration adapter plate is connected to the vibration table through a plurality of bolts.
According to at least one embodiment of the present application, in the vibration fatigue test fixture for reinforced wall boards, the vibration transfer edge is provided with a plurality of clamping grooves, and the clamping grooves are clamped on the side wall of each L-shaped rib of the reinforced wall board test piece opposite to the wall board.
Drawings
FIG. 1 is a schematic view of a vibration fatigue test fixture for a reinforced wallboard provided by an embodiment of the present application;
wherein:
1-a vibration adapter plate; 2-mounting a clamping plate; 3-reinforced wallboard test piece.
For the purpose of better illustrating the present embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions, and furthermore, the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Detailed Description
In order to make the technical solution of the present application and its advantages more clear, the technical solution of the present application will be further and completely described in detail with reference to the accompanying drawings, it being understood that the specific embodiments described herein are only some of the embodiments of the present application, which are for explanation of the present application and not for limitation of the present application. It should be noted that, for convenience of description, only the part related to the present application is shown in the drawings, and other related parts may refer to the general design, and the embodiments of the present application and the technical features of the embodiments may be combined with each other to obtain new embodiments without conflict.
Furthermore, unless defined otherwise, technical or scientific terms used in the description of the application should be given the ordinary meaning as understood by one of ordinary skill in the art to which the application pertains. The terms "upper," "lower," "left," "right," "center," "vertical," "horizontal," "inner," "outer," and the like as used in the description of the present application are merely used for indicating relative directions or positional relationships, and do not imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and that the relative positional relationships may be changed when the absolute position of the object to be described is changed, thus not being construed as limiting the application. The terms "first," "second," "third," and the like, as used in the description of the present application, are used for descriptive purposes only and are not to be construed as indicating or implying any particular importance to the various components. The use of the terms "a," "an," or "the" and similar referents in the description of the application are not to be construed as limiting the amount absolutely, but rather as existence of at least one. As used in this description of the application, the terms "comprises," "comprising," or the like are intended to cover an element or article that appears before the term as such, but does not exclude other elements or articles from the list of elements or articles that appear after the term.
Furthermore, unless specifically stated and limited otherwise, the terms "mounted," "connected," and the like in the description of the present application are used in a broad sense, and for example, the connection may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements, and the specific meaning of the two elements can be understood by a person skilled in the art according to specific situations.
The application is described in further detail below with reference to fig. 1.
A vibration fatigue test fixture for a reinforced wallboard, comprising:
one end of the vibration adapter plate 1 is horizontally connected to the vibration table, and the other end of the vibration adapter plate is provided with a vertical upward vibration adapter edge;
The mounting clamp plate 2 is vertically connected to the vibration transfer edge through a plurality of pairs of bolts, and the side walls of the L-shaped rib back wall plates of the plurality of reinforced wall plate test pieces 3 are pressed on the vibration transfer edge;
each of the stiffened wall panel test pieces 3 corresponds to a pair of bolts.
The vibration fatigue test fixture for the reinforced wallboard disclosed by the embodiment is used for performing a vibration fatigue test, vibration of a vibration table can be used for applying vibration excitation to the reinforced wallboard test piece 3, so that the reinforced wallboard test piece 3 generates first-order symmetrical bending vibration, the vibration is consistent with the actual fact that the reinforced wallboard in an airplane is usually damaged by bending vibration fatigue, in addition, the reinforced wallboard test piece 3 can be ensured to have good heat dissipation performance in the test process, the reinforced wallboard test piece 3 is ensured to have relatively stable temperature, a large amount of heat energy is prevented from being generated in the reinforced wallboard test piece 3, the vibration fatigue performance of the reinforced wallboard test piece 3 is influenced, in addition, the test can be performed on a plurality of reinforced wallboard test pieces 3 at the same time, and a large amount of time cost can be saved under the condition that the reinforced wallboard test piece 3 is numerous.
For the vibration fatigue test fixture for the reinforced wallboard disclosed by the embodiment, as can be understood by those skilled in the art, the side wall of each reinforced wallboard test piece 3L-shaped rib opposite to the wallboard is pressed on the vibration transfer edge of the vibration transfer plate 1 through the mounting clamping plate 2, and is fastened through a pair of bolts, when the vibration fatigue test fixture is specifically applied, a force wrench can be used for tightening each bolt so as to ensure that each reinforced wallboard test piece 3 has the same clamping moment, so that the first-order symmetrical bending vibration natural frequency of each reinforced wallboard test piece 3 is consistent, the vibration response is equivalent, resonance can be performed simultaneously under the action of the vibration table during test, vibration fatigue damage occurs in a short time, reliable fixing of each reinforced wallboard test piece 3 can be ensured, looseness in the test process is avoided, the natural vibration frequency of the misjudgment reinforced wallboard test piece 3 is reduced, and the test is terminated, so that the time cost of the test can be greatly saved.
In some alternative embodiments, in the reinforced wallboard vibration fatigue test fixture, the vibration adapter plate 1 is connected to the vibration table through a plurality of bolts.
In some alternative embodiments, in the vibration fatigue test fixture for reinforced wall plates, the vibration switching edge is provided with a plurality of clamping grooves, and the clamping grooves are clamped on the side wall of the L-shaped rib back-facing wall plate of each reinforced wall plate test piece 3, so that each reinforced wall plate test piece 3 can be reliably fixed.
In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred.
Having thus described the technical aspects of the present application with reference to the preferred embodiments shown in the drawings, it should be understood by those skilled in the art that the scope of the present application is not limited to the specific embodiments, and those skilled in the art may make equivalent changes or substitutions to the related technical features without departing from the principle of the present application, and those changes or substitutions will fall within the scope of the present application.
Claims (3)
1. The utility model provides a add muscle wallboard vibration fatigue test anchor clamps which characterized in that includes:
One end of the vibration adapter plate (1) is horizontally connected to the vibration table, and the other end of the vibration adapter plate is provided with a vertical upward vibration adapter edge;
The mounting clamp plate (2) is vertically connected to the vibration switching edge through a plurality of pairs of bolts, and the side walls of the L-shaped ribs of the reinforced wallboard test pieces (3) back to the wallboard are pressed on the vibration switching edge;
each reinforced wallboard test piece (3) corresponds to a pair of bolts.
2. The vibration fatigue test fixture for reinforced wallboard of claim 1, wherein,
The vibration adapter plate (1) is connected to the vibration table through a plurality of bolts.
3. The vibration fatigue test fixture for reinforced wallboard of claim 1, wherein,
The vibration switching edge is provided with a plurality of clamping grooves which are clamped on the side wall of the L-shaped rib back-to-wall plate of each reinforced wall plate test piece (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323076627.9U CN221123757U (en) | 2023-11-15 | 2023-11-15 | Vibration fatigue test fixture for reinforced wallboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323076627.9U CN221123757U (en) | 2023-11-15 | 2023-11-15 | Vibration fatigue test fixture for reinforced wallboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221123757U true CN221123757U (en) | 2024-06-11 |
Family
ID=91365196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323076627.9U Active CN221123757U (en) | 2023-11-15 | 2023-11-15 | Vibration fatigue test fixture for reinforced wallboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221123757U (en) |
-
2023
- 2023-11-15 CN CN202323076627.9U patent/CN221123757U/en active Active
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