CN215866195U - Carbon fiber composite-metal material single shear connection failure test structure - Google Patents
Carbon fiber composite-metal material single shear connection failure test structure Download PDFInfo
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- CN215866195U CN215866195U CN202121955589.2U CN202121955589U CN215866195U CN 215866195 U CN215866195 U CN 215866195U CN 202121955589 U CN202121955589 U CN 202121955589U CN 215866195 U CN215866195 U CN 215866195U
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Abstract
The application belongs to the technical field of the carbon fiber composite material-metal material single shear connection failure test, and particularly relates to a carbon fiber composite material-metal material single shear connection failure test structure, which comprises the following steps: the carbon fiber composite material test piece is provided with a test checking end and a test loading end opposite to the test checking end; the metal material test piece is provided with a test check end and a test loading end opposite to the test check end; the test examination end of the carbon fiber composite material test piece and the test examination end of the metal material test piece are connected through a bolt; the test loading end of the metal material test piece is provided with a boss which is flush with the carbon fiber composite material test piece; and the metal plate is connected to the test loading end of the carbon fiber composite material test piece and is flush with the metal material test piece.
Description
Technical Field
The application belongs to the technical field of carbon fiber composite material-metal material single shear connection failure tests, and particularly relates to a carbon fiber composite material-metal material single shear connection failure test structure.
Background
The carbon fiber composite-metal material single shear connection failure test is designed with a carbon fiber composite material test piece and a metal material test piece, wherein: one end of the carbon fiber composite material test piece is a test loading end, and the other end of the carbon fiber composite material test piece is a test examining end; one end of the metal material test piece is a test loading end, and the other end of the metal material test piece is a test examining end; the test check end of the carbon fiber composite material test piece is connected with the test check end of the metal material test piece through a bolt, and the test loading end of the carbon fiber composite material test piece and the test loading end of the metal material test piece are clamped by the testing machine to apply tensile load until the bolt connecting part between the test check end of the carbon fiber composite material test piece and the test check end of the metal material test piece is damaged.
With above-mentioned carbon-fibre composite-metal material single shear connection failure test piece experimental, in order to guarantee that the testing machine is at the experimental loading end of carbon-fibre composite material test piece, the experimental loading end of metal material test piece exerts the tensile load centering, at the experimental loading end of carbon-fibre composite material test piece, the experimental loading end of metal material test piece is glued and is had the glass fiber composite gasket, make the experimental loading end and the metal material test piece parallel and level of carbon-fibre composite material test piece, the experimental loading end and the carbon-fibre composite material test piece parallel and level of metal material test piece, this kind of technical scheme has following defect:
the thermal expansion coefficients of the glass fiber composite material, the carbon fiber composite material and the metal material are greatly different, and the glass fiber composite material gasket which is glued to the test loading end of the carbon fiber composite material test piece and the test loading end of the metal material test piece is easy to warp and deform and easily falls off in the test, so that the test cannot be completed smoothly.
The present application has been made in view of the above-mentioned technical drawbacks.
It should be noted that the above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and the above background disclosure should not be used for evaluating the novelty and inventive step of the present application without explicit evidence to suggest that the above content is already disclosed at the filing date of the present application.
Disclosure of Invention
The present application is directed to a carbon fiber composite-metal material single shear joint failure test structure to overcome or alleviate at least one of the known disadvantages.
The technical scheme of the application is as follows:
a carbon fiber composite-metal material single shear connection failure test structure comprises:
the carbon fiber composite material test piece is provided with a test checking end and a test loading end opposite to the test checking end;
the metal material test piece is provided with a test check end and a test loading end opposite to the test check end; the test examination end of the carbon fiber composite material test piece and the test examination end of the metal material test piece are connected through a bolt; the test loading end of the metal material test piece is provided with a boss which is flush with the carbon fiber composite material test piece;
and the metal plate is connected to the test loading end of the carbon fiber composite material test piece and is flush with the metal material test piece.
According to at least one embodiment of the present application, the above-mentioned carbon fiber composite-metal material single shear connection failure test structure further includes:
two test fixtures, wherein:
a test fixture clamps a test loading end of the carbon fiber composite material test piece and a metal plate thereof;
and the other test fixture clamps the test loading end and the boss of the metal material test piece.
According to at least one embodiment of the application, in the carbon fiber composite material-metal material single shear connection failure test structure, each test fixture is provided with a clamping opening;
the test loading end of the carbon fiber composite material test piece and the metal plate thereof are clamped in the corresponding clamping opening;
the test loading end of the metal material test piece and the boss thereof are clamped in the corresponding clamping port.
According to at least one embodiment of the application, in the carbon fiber composite-metal material single shear connection failure test structure, the test loading end of the carbon fiber composite test piece and the metal plate thereof are connected with the corresponding test clamp through bolts;
the test loading end of the metal material test piece and the lug boss thereof are connected with the corresponding test clamp through bolts.
According to at least one embodiment of the application, in the carbon fiber composite material-metal material single shear connection failure test structure, the test loading end of the carbon fiber composite material test piece has a larger width relative to the test assessment end thereof;
the test loading end of the metal material test piece has a larger width relative to the test checking end.
Drawings
FIG. 1 is a side view of a test structure for a single shear connection failure of a carbon fiber composite-metal material provided in an embodiment of the present application;
FIG. 2 is a partial view taken from the direction A of FIG. 1;
wherein:
1-carbon fiber composite test piece; 2-test piece of metallic material; 3-boss; 4-a metal plate; 5-test fixture.
For the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; further, the drawings are for illustrative purposes, and terms describing positional relationships are limited to illustrative illustrations only and are not to be construed as limiting the patent.
Detailed Description
In order to make the technical solutions and advantages of the present application clearer, the technical solutions of the present application will be further clearly and completely described in the following detailed description with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only some of the embodiments of the present application, and are only used for explaining the present application, but not limiting the present application. It should be noted that, for convenience of description, only the parts related to the present application are shown in the drawings, other related parts may refer to general designs, and the embodiments and technical features in the embodiments in the present application may be combined with each other to obtain a new embodiment without conflict.
In addition, unless otherwise defined, technical or scientific terms used in the description of the present application shall have the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", and the like used in the description of the present application, which indicate orientations, are used only to indicate 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 when the absolute position of the object to be described is changed, the relative positional relationships may be changed accordingly, and thus, should not be construed as limiting the present application. The use of "first," "second," "third," and the like in the description of the present application is for descriptive purposes only to distinguish between different components and is not to be construed as indicating or implying relative importance. The use of the terms "a," "an," or "the" and similar referents in the context of describing the application is not to be construed as an absolute limitation on the number, but rather as the presence of at least one. The word "comprising" or "comprises", and the like, when used in this description, is intended to specify the presence of stated elements or items, but not the exclusion of other elements or items.
Further, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are used in the description of the invention in a generic sense, e.g., connected as either a fixed connection or a removable connection or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements, and those skilled in the art can understand their specific meaning in this application according to the specific situation.
The present application is described in further detail below with reference to fig. 1-2.
A carbon fiber composite-metal material single shear connection failure test structure comprises:
the carbon fiber composite material test piece 1 is provided with a test check end and a test loading end opposite to the test check end;
the metal material test piece 2 is provided with a test check end and a test loading end opposite to the test check end; the test examination end of the carbon fiber composite material test piece 1 and the test examination end of the metal material test piece 2 are connected through a bolt; the test loading end of the metal material test piece 2 is provided with a boss 3 which is flush with the carbon fiber composite material test piece 1;
and the metal plate 4 is connected to the test loading end of the carbon fiber composite material test piece 1 and is flush with the metal material test piece 2.
For the carbon fiber composite material-metal material single shear connection failure test structure disclosed in the above embodiment, it can be understood by those skilled in the art that, during the test, the test machine can clamp the test loading end of the carbon fiber composite material test piece 1 and the metal plate 4 thereof, and clamp the test loading end of the metal material test piece 2 and the boss thereof, apply a tensile load until the bolt connection portion between the test check end of the carbon fiber composite material test piece 1 and the test check end of the metal material test piece 2 is broken, and complete the test.
For the carbon fiber composite material-metal material single shear connection failure test structure disclosed in the above embodiment, a person skilled in the art can also understand that the test loading end of the carbon fiber composite material test piece 1 is designed to be connected with the metal plate 4 and to be flush with the metal material test piece 2, and the test loading end of the metal material test piece 2 is designed to be provided with the boss 3 and to be flush with the carbon fiber composite material test piece 1, so as to ensure that the testing machine applies tensile load centering on the test loading end of the carbon fiber composite material test piece 1 and the test loading end of the metal material test piece 2, the connection is reliable, and the smooth completion of the test can be ensured.
In some optional embodiments, in the above-mentioned carbon fiber composite-metal material single shear connection failure test structure, further includes:
two test fixtures 5, wherein:
a test fixture 5 clamps a test loading end of the carbon fiber composite material test piece 1 and a metal plate 4 thereof;
another test fixture 5 grips the test loading end of the metallic material test piece 2 and its boss 3.
For the carbon fiber composite material-metal material single shear connection failure test structure disclosed in the above embodiment, it can be understood by those skilled in the art that, during the test, the testing machine can clamp the two test clamps 5 and apply a tensile load until the bolt connection portion between the test check end of the carbon fiber composite material test piece 1 and the test check end of the metal material test piece 2 is broken, thereby completing the test.
In some alternative embodiments, in the above-mentioned carbon fiber composite-metal material single shear connection failure test structure, each test fixture 5 has a clamping opening;
the test loading end of the carbon fiber composite material test piece 1 and the metal plate 4 thereof are clamped in the corresponding clamping openings;
the test loading end of the metal material test piece 2 and the boss 3 thereof are clamped in the corresponding clamping openings.
In some optional embodiments, in the above-mentioned test structure for the single shear connection failure of the carbon fiber composite-metal material, the test loading end of the carbon fiber composite test piece 1 and the metal plate 4 thereof are connected with the corresponding test fixture by bolts, so that the connection is reliable;
the test loading end of the metal material test piece 2 and the boss 3 thereof are connected with the corresponding test fixture through bolts, and the connection is reliable.
In some optional embodiments, in the above test structure for the single shear connection failure of the carbon fiber composite material-metal material, the test loading end of the carbon fiber composite material test piece 1 has a larger width relative to the test checking end thereof, so as to provide enough arrangement space for the bolts connecting the test loading end of the carbon fiber composite material test piece 1, the metal plate 4 and the corresponding test fixture 5 thereof, and connect the test loading end of the carbon fiber composite material test piece 1, the metal plate 4 and the corresponding test fixture 5 thereof with a larger number of bolts, thereby ensuring the reliability of connection;
the test loading end of the metal material test piece 2 has a larger width relative to the test checking end thereof, so that enough arrangement space can be provided for bolts for connecting the test loading end of the metal material test piece 2, the boss 2 and the corresponding test fixture 5, and the test loading end of the metal material test piece 2, the boss 2 and the corresponding test fixture 5 are connected by a large number of bolts, so that the connection reliability is ensured.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Having thus described the present application in connection with the preferred embodiments illustrated in the accompanying drawings, it will be understood by those skilled in the art that the scope of the present application is not limited to those specific embodiments, and that equivalent modifications or substitutions of related technical features may be made by those skilled in the art without departing from the principle of the present application, and those modifications or substitutions will fall within the scope of the present application.
Claims (5)
1. The utility model provides a carbon-fibre composite-metallic material list cuts connection failure test structure which characterized in that includes:
the carbon fiber composite material test piece (1) is provided with a test check end and a test loading end opposite to the test check end;
the metal material test piece (2) is provided with a test check end and a test loading end opposite to the test check end; the test check end of the carbon fiber composite material test piece (1) and the test check end of the metal material test piece (2) are connected through a bolt; a boss (3) is arranged on the test loading end of the metal material test piece (2) and is flush with the carbon fiber composite material test piece (1);
and the metal plate (4) is connected to the test loading end of the carbon fiber composite material test piece (1) and is flush with the metal material test piece (2).
2. The carbon fiber composite-metal material single shear joint failure test structure of claim 1,
further comprising:
two test fixtures (5), wherein:
the test clamp (5) clamps the test loading end of the carbon fiber composite material test piece (1) and the metal plate (4) of the test loading end;
and the other test fixture (5) clamps the test loading end of the metal material test piece (2) and the boss (3) thereof.
3. The carbon fiber composite-metal material single shear joint failure test structure of claim 2,
each test fixture (5) is provided with a clamping opening;
the test loading end of the carbon fiber composite material test piece (1) and the metal plate (4) thereof are clamped in the corresponding clamping ports;
the test loading end of the metal material test piece (2) and the boss (3) thereof are clamped in the corresponding clamping opening.
4. The carbon fiber composite-metal material single shear joint failure test structure of claim 3,
the test loading end of the carbon fiber composite material test piece (1) and the metal plate (4) thereof are connected with the corresponding test clamp through bolts;
the test loading end of the metal material test piece (2) and the boss (3) thereof are connected with the corresponding test clamp through bolts.
5. The carbon fiber composite-metal material single shear joint failure test structure of claim 4,
the test loading end of the carbon fiber composite material test piece (1) has a larger width relative to the test checking end;
the test loading end of the metal material test piece (2) has a larger width relative to the test checking end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121955589.2U CN215866195U (en) | 2021-08-19 | 2021-08-19 | Carbon fiber composite-metal material single shear connection failure test structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121955589.2U CN215866195U (en) | 2021-08-19 | 2021-08-19 | Carbon fiber composite-metal material single shear connection failure test structure |
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| Publication Number | Publication Date |
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| CN215866195U true CN215866195U (en) | 2022-02-18 |
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| CN202121955589.2U Active CN215866195U (en) | 2021-08-19 | 2021-08-19 | Carbon fiber composite-metal material single shear connection failure test structure |
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- 2021-08-19 CN CN202121955589.2U patent/CN215866195U/en active Active
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