CN215218310U - Novel fiber mortar anchor clamps for tensile test - Google Patents
Novel fiber mortar anchor clamps for tensile test Download PDFInfo
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- CN215218310U CN215218310U CN202121011850.3U CN202121011850U CN215218310U CN 215218310 U CN215218310 U CN 215218310U CN 202121011850 U CN202121011850 U CN 202121011850U CN 215218310 U CN215218310 U CN 215218310U
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- anchor clamps
- displacement meter
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- tensile test
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Abstract
The utility model discloses a novel anchor clamps for fiber mortar tensile test belongs to test fixture technical field, including the anchor clamps main part, the anchor clamps main part includes two the same anchor clamps units, every be provided with blind end and open end on the anchor clamps unit, be provided with the connecting hole on the closed end, one of them the open end department swing joint of anchor clamps unit has displacement meter anchor clamps, another the open end of anchor clamps unit is connected with the displacement meter stiff end, every the two sides difference swing joint of anchor clamps unit has the locating part.
Description
Technical Field
The utility model belongs to the technical field of test fixture, concretely relates to novel fiber mortar is anchor clamps for tensile test.
Background
Compared with plain concrete and common fiber concrete, the ultimate tensile strain of ECC can reach dozens of or even hundreds of times of that of the traditional concrete, and the strain hardening characteristic of similar metal materials under the stretching action is formed along with the multi-crack cracking phenomenon of fine cracks, so that the ECC tensile strength is an important index for evaluating the ECC performance. The existing clamp for the ECC tensile test has the following defects: on one hand, a concentrated force is generated at the contact position of the clamp and the test piece, so that the final damage position of the test piece cannot be ensured to be the center of the test piece, and further, the inaccuracy of test data is caused; on the other hand, a displacement meter needs to be additionally erected in the existing clamp, and the unstable connection between the displacement meter and the test piece can cause that the descending section of the tensile curve cannot be measured, so that the final measurement result is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel anchor clamps for fiber mortar tensile test solves among the prior art anchor clamps and test piece contact position and can produce concentrated power, and the displacement meter is connected unstablely with the test piece, influences final measuring result's technical problem.
The utility model discloses a novel anchor clamps for fiber mortar tensile test, including the anchor clamps main part, the anchor clamps main part includes two the same anchor clamps units, every be provided with blind end and open end on the anchor clamps unit, be provided with the connecting hole on the closed end, one of them the open end department swing joint of anchor clamps unit has the displacement meter anchor clamps, another the open end of anchor clamps unit is connected with the displacement meter stiff end, every the two sides difference swing joint of anchor clamps unit has the locating part.
The working principle is as follows: during the use, take off the locating part of anchor clamps unit one side earlier, then put into two anchor clamps units with the test piece, the spacing piece is fixed with the test piece on the repacking, then with the displacement meter anchor clamps remove the one end of test piece test end and with displacement meter anchor clamps and test piece fixed, remove the other end of test piece test end with the displacement meter stiff end again and with displacement meter stiff end and test piece fixed, pass through connecting hole and anchor clamps unit connection with the testing machine at last, just can start the testing machine and carry out tensile test after accomplishing the installation, record experimental data. Through setting up the locating part, can restrict the rotation outside the plane of test piece, make the test piece not take place to twist reverse the destruction. Install the displacement meter on the displacement meter anchor clamps, the test piece destroys and takes place in the test section, the displacement that the displacement meter surveyed promptly the cracked displacement of test piece, and the precision is high in the position between displacement meter anchor clamps and the displacement meter stiff end promptly.
Furthermore, one end of the limiting part is rotatably connected with the clamp unit, the other end of the limiting part is a movable end, a fixing hole is formed in the movable end, and a fixing bolt matched with the fixing hole is arranged on the clamp unit.
When the device is used, the fixing bolt is firstly rotated, so that the movable end can move, and a test piece can be conveniently put into the device. Through with locating part and anchor clamps unit swivelling joint, make the locating part rotate on anchor clamps unit, the putting into of the test piece of being convenient for. Through establishing fixed orifices and fixing bolt, can fix the expansion end, guarantee that the test piece makes can not take place the upset in the experiment.
Furthermore, the limiting piece is a thin steel plate, and the thickness of the thin steel plate is at least 2 mm.
Furthermore, an adjusting hoop is connected to the displacement meter clamp.
Through setting up the regulation cuff, can make anchor clamps be applicable to the displacement meter of equidimension not, improve the use scene of anchor clamps.
Further, the displacement meter clamp and the fixed end of the displacement meter are connected with the test piece through bolts.
The utility model has the advantages that:
1. the limiting piece is arranged, so that the rotation outside the plane of the test piece can be limited, and the test piece is not subjected to torsional damage;
2. the displacement meter is arranged on a displacement meter clamp, the test piece damage occurs at a test section, namely a position between the displacement meter clamp and a displacement meter fixed end, the displacement measured by the displacement meter is the broken displacement of the test piece, and the precision is high;
3. the limiting piece is rotatably connected with the clamp unit, so that the limiting piece can rotate on the clamp unit, and a test piece can be conveniently put in;
4. the movable end can be fixed by arranging the fixing hole and the fixing bolt, so that the test piece is prevented from overturning in an experiment;
5. through setting up the regulation cuff, can make anchor clamps be applicable to the displacement meter of equidimension not, improve the use scene of anchor clamps.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a three-dimensional schematic view of a tensile test fixture according to the present invention;
FIG. 2 is a three-dimensional schematic view of the displacement gauge fixture of the present invention;
fig. 3 is the three-dimensional schematic diagram of the fixed end of the displacement meter of the utility model.
In the figure: 1-clamp main body, 2-clamp unit, 3-connecting hole, 4-displacement meter clamp, 5-displacement meter fixing end, 6-limiting piece, 7-fixing hole, 8-fixing bolt, 9-adjusting hoop and 10-test piece.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, or the directions or positional relationships that the persons skilled in the art usually understand, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have specific directions, be constructed and operated in specific directions, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The embodiment of the utility model provides a novel anchor clamps for fiber mortar tensile test, concrete structure is as shown in fig. 1-fig. 3, including anchor clamps main part 1, anchor clamps main part 1 includes two the same anchor clamps unit 2, is provided with blind end and open end on every anchor clamps unit 2, is provided with connecting hole 3 on the blind end, and one of them anchor clamps unit 2's open end department swing joint has displacement meter anchor clamps 4, and another anchor clamps unit 2's open end is connected with displacement meter stiff end 5, and every anchor clamps unit 2's two sides swing joint respectively has locating part 6.
The working principle is as follows: during the use, take off the locating part 6 of anchor clamps unit 2 one side earlier, then put into two anchor clamps units 2 with test piece 10, limit piece 6 is fixed with test piece 10 on the repacking, then move displacement meter anchor clamps 4 to the one end of test piece 10 test end and fix displacement meter anchor clamps 4 with test piece 10, move displacement meter stiff end 5 to the other end of test piece 10 test end and fix displacement meter stiff end 5 with test piece 10, be connected the testing machine through connecting hole 3 and anchor clamps unit 2 finally, just can start the testing machine and carry out tensile test after accomplishing the installation, record experimental data. By arranging the limiting piece 6, the rotation outside the plane of the test piece 10 can be limited, so that the test piece 10 is not damaged by torsion. Install the displacement meter on displacement meter anchor clamps 4, test piece 10 destroys and takes place in the test section, the position between displacement meter anchor clamps 4 and the displacement meter stiff end 5 promptly, and the displacement that the displacement meter surveyed is the cracked displacement of test piece 10 promptly, and the precision is high.
Example 2
This embodiment is regarded as the utility model discloses a preferred embodiment, it discloses following improvement on embodiment 1's basis, 6 one ends of locating part and 2 swivelling joints of anchor clamps unit, and the 6 other ends of locating part are the expansion end, and the expansion end is served and is provided with fixed orifices 7, be provided with on the anchor clamps unit 2 with fixed orifices 7 matched with fixing bolt 8, and locating part 6 is the thin slice steel sheet, and thin slice steel sheet thickness is 2mm at least.
When the test piece 10 is used, the fixing bolt 8 is firstly rotated, so that the movable end can move, and the test piece 10 can be conveniently placed into the test piece. By rotationally connecting the limiting member 6 with the clamp unit 2, the limiting member 6 can rotate on the clamp unit 2, so that the test piece 10 can be conveniently put in. Through establishing fixed orifices 7 and fixing bolt 8, can fix the expansion end, guarantee that test piece 10 can not take place the upset in the experiment messenger.
Example 3
In the present embodiment, as a preferred embodiment of the present invention, there is disclosed an improvement in that an adjustment collar 9 is connected to the displacement gauge holder 4 on the basis of embodiment 1.
By arranging the adjusting hoop 9, the clamp can be suitable for displacement meters with different sizes, and the use scene of the clamp is improved.
Example 4
This embodiment is regarded as the utility model discloses a preferred embodiment, it discloses following improvement on embodiment 1's basis, and displacement meter anchor clamps 4 and displacement meter stiff end 5 all are connected with test piece 10 through the bolt.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (5)
1. The utility model provides a novel anchor clamps for fiber mortar tensile test, includes anchor clamps main part (1), its characterized in that, anchor clamps main part (1) includes two the same anchor clamps unit (2), every be provided with blind end and open end on anchor clamps unit (2), be provided with connecting hole (3) on the blind end, one of them the open end department swing joint of anchor clamps unit (2) has displacement meter anchor clamps (4), another the open end of anchor clamps unit (2) is connected with displacement meter stiff end (5), every there is locating part (6) on the two sides of anchor clamps unit (2) swing joint respectively.
2. The novel clamp for the fiber mortar tensile test according to claim 1, wherein one end of the limiting member (6) is rotatably connected with the clamp unit (2), the other end of the limiting member (6) is a movable end, a fixed hole (7) is formed in the movable end, and a fixing bolt (8) matched with the fixed hole (7) is formed in the clamp unit (2).
3. The clamp for the fiber mortar tensile test according to claim 2, wherein the limiting member (6) is a thin steel plate, and the thickness of the thin steel plate is at least 2 mm.
4. The clamp for the novel fiber mortar tensile test according to claim 1, wherein an adjusting hoop (9) is connected to the displacement meter clamp (4).
5. The clamp for the novel fiber mortar tensile test according to claim 1, wherein the displacement meter clamp (4) and the displacement meter fixing end (5) are connected with a test piece (10) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121011850.3U CN215218310U (en) | 2021-05-12 | 2021-05-12 | Novel fiber mortar anchor clamps for tensile test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121011850.3U CN215218310U (en) | 2021-05-12 | 2021-05-12 | Novel fiber mortar anchor clamps for tensile test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215218310U true CN215218310U (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121011850.3U Active CN215218310U (en) | 2021-05-12 | 2021-05-12 | Novel fiber mortar anchor clamps for tensile test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215218310U (en) |
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2021
- 2021-05-12 CN CN202121011850.3U patent/CN215218310U/en active Active
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