CN212008091U - Clamp structure for uniaxial tension test of aorta - Google Patents
Clamp structure for uniaxial tension test of aorta Download PDFInfo
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- CN212008091U CN212008091U CN202020318949.7U CN202020318949U CN212008091U CN 212008091 U CN212008091 U CN 212008091U CN 202020318949 U CN202020318949 U CN 202020318949U CN 212008091 U CN212008091 U CN 212008091U
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Abstract
The utility model discloses an anchor clamps structure for aorta uniaxial tension test, include: the cover plate is arranged above the object stage; a groove is formed in the center of the top of the object stage, a protrusion is arranged in the center of the bottom of the cover plate and inserted into the groove, and the top of the protrusion is in clearance fit with the bottom of the groove; the material detection device comprises a material detection device, a material detection device and a control device, wherein the material detection device is arranged between the top of the protrusion and the bottom of the groove; the adhesive layer is arranged around the material to be detected and is used for connecting the object stage, the cover plate and the material to be detected; the utility model discloses a material is examined in objective table and apron parcel, can be economy, quick, convenient realization aorta unipolar tensile test examine the centre gripping of material, easy operation to guarantee not only can not press from both sides bad material of examining, guarantee again to examine the material and can not take place the slippage.
Description
Technical Field
The utility model relates to an aorta uniaxial tension test's technical field especially relates to a technical field that is used for aorta uniaxial tension test's anchor clamps structure.
Background
The mechanical properties of the aorta are crucial for the selection of the surgical time for patients with aortic aneurysm and dissection, the research and development of new arterial grafts, and the judgment of the relationship of injury in the event of aneurysm or dissection rupture after trauma. In finite element simulation, the aorta material parameters also affect the accuracy of the simulation result. Therefore, it is important to obtain accurate mechanical characteristics, material models and parameters of the aorta.
Uniaxial tension test is a common method for testing aortic parameters, wherein the clamping of the material to be tested is the problem to be solved first. In the present research, the material is examined in the anchor clamps pad abrasive paper centre gripping of using the material machine more, if the clamping-force is big enough will examine the material damage easily to fracture in the centre gripping department, if the clamping-force is not enough, the slippage often can take place, above two kinds of circumstances will cause experimental failure.
In view of this, the realization of the clamping of the aorta examination material which is economical, rapid and convenient is still the main difficulty of the aorta uniaxial tension test at present.
SUMMERY OF THE UTILITY MODEL
To the problem of the aforesaid production, an object of the utility model is to provide an anchor clamps structure for aorta uniaxial tension test can economic, quick, convenient realization aorta uniaxial tension test examine the centre gripping of material, easy operation to guarantee not only can not press from both sides bad and examine the material, guarantee again to examine the material and can not take place the slippage.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
a clamp structure for uniaxial aortic tension testing, comprising:
the cover plate is arranged above the object stage; a groove is formed in the center of the top of the object stage, a protrusion is arranged in the center of the bottom of the cover plate and inserted into the groove, and the top of the protrusion is in clearance fit with the bottom of the groove;
the material detection device comprises a material detection device, a material detection device and a control device, wherein the material detection device is arranged between the top of the protrusion and the bottom of the groove;
and the adhesive layer is arranged around the material to be detected and is used for connecting the object stage, the cover plate and the material to be detected.
The clamp structure for the uniaxial aorta tensile test is characterized in that the distance between the top of the protrusion and the bottom of the groove is 1.5 mm.
The clamp structure for uniaxial aortic tension test is characterized in that the object stage and the cover plate are both square, and four corners of the object stage and four corners of the cover plate are respectively connected through screws.
The above clamp structure for aorta uniaxial tension test, wherein the objective table and the cover plate are both made of aluminum alloy.
The clamp structure for the uniaxial tension test of the aorta is characterized in that the bottom of the object stage is a first wool yarn surface, and the top of the cover plate is a second wool yarn surface.
The clamp structure for aortic uniaxial tension test is described above, wherein the adhesive layer is cyanoacrylate adhesive.
The utility model discloses owing to adopted above-mentioned technique, make it compare the positive effect that has with prior art and be:
1. the utility model discloses a material is examined in objective table and apron parcel, can be economy, quick, convenient realization aorta unipolar tensile test examine the centre gripping of material, easy operation to guarantee not only can not press from both sides bad material of examining, guarantee again to examine the material and can not take place the slippage.
2. The utility model discloses an objective table and apron can used repeatedly.
Drawings
Fig. 1 is a schematic structural diagram of a clamp structure for aortic uniaxial tension test according to the present invention;
fig. 2 is a schematic structural diagram of an objective table of a clamp structure for aortic uniaxial tension test according to the present invention;
fig. 3 is a schematic structural diagram of a cover plate of a clamp structure for aortic uniaxial tension test according to the present invention.
In the drawings:
1. an object stage; 11. a groove; 12. a first wool yarn surface; 2. a cover plate; 21. a protrusion; 22. a second wool yarn surface; 3. inspecting the material; 4. an adhesive layer.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Fig. 1 is a schematic structural diagram of a clamp structure for aortic uniaxial tension test according to the present invention; fig. 2 is a schematic structural diagram of an objective table of a clamp structure for aortic uniaxial tension test according to the present invention; fig. 3 is a schematic structural diagram of a cover plate of a clamp structure for aortic uniaxial tension test according to the present invention. Referring to fig. 1 to 3, a preferred embodiment of a clamp structure for aortic uniaxial tension test is shown, which is characterized by comprising:
objective table 1 and apron 2, apron 2 sets up the top at objective table 1. The center of the top of the object stage 1 is provided with a groove 11, the center of the bottom of the cover plate 2 is provided with a protrusion 21, the protrusion 21 is inserted into the groove 11, and the top of the protrusion 21 is in clearance fit with the groove bottom of the groove 11.
And the material 3 is arranged between the top of the protrusion 21 and the bottom of the groove 11.
The adhesive layer 4 is provided around the test material 3, and connects the stage 1, the cover plate 2, and the test material 3.
The utility model discloses a use method as follows:
(1) the test material 3 is carefully placed in the recess 11 of the stage 1.
(2) A small amount of adhesive is dropped onto the sample material 3, and the cover plate 2 is quickly covered, thereby forming an adhesive layer 4 between the stage 1 and the cover plate 2.
(3) A fixed stage 1 and a cover plate 2.
(4) Will the utility model discloses place on the anchor clamps of material machine.
The utility model discloses a material is examined in objective table and apron parcel, can be economy, quick, convenient realization aorta unipolar tensile test examine the centre gripping of material, easy operation to guarantee not only can not press from both sides bad material of examining, guarantee again to examine the material and can not take place the slippage.
After the test is finished, the detection material 3 and the adhesive layer 4 can be cleaned, so that the object stage 1 and the cover plate 2 can be reused.
The above is merely an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
Further, in a preferred embodiment, the distance between the top of the protrusion 21 and the bottom of the groove 11 is 1.5 mm. Examine the thickness of material 3 and usually about 2mm, the interval through the bottom of the groove that sets up the top of arch 21 and recess 11 is 1.5mm, can press from both sides tightly and examine material 3, makes and examines material 3 and keep motionless, guarantees simultaneously that can not press from both sides bad and examine material 3.
Further, in a preferred embodiment, the object stage 1 and the cover plate 2 are square, and four corners of the object stage 1 are connected with four corners of the cover plate 2 by screws (not shown). The object stage 1 and the cover plate 2 are fixed together by the screws and the adhesive layer 4, so that the object stage 1 and the cover plate 2 are connected more firmly.
Further, in a preferred embodiment, the stage 1 and the cover plate 2 are made of aluminum alloy. The aluminum alloy has excellent electrical conductivity, thermal conductivity and corrosion resistance, and the aluminum alloy is light in weight and can effectively reduce the self weight.
Further, in a preferred embodiment, the bottom of the stage 1 and the top of the cover plate 2 are each treated with a ground yarn so that the bottom of the stage 1 forms a first ground yarn surface 12 and the top of the cover plate 2 forms a second ground yarn surface 22. Through setting up first coarse yarn face 12 and second coarse yarn face 22 roughly, can increase the utility model discloses and the material machine between the anchor clamps frictional force prevents the utility model discloses landing among the anchor clamps from the material machine.
Further, in a preferred embodiment, the adhesive layer is a cyanoacrylate adhesive. Cyanoacrylate adhesives are colorless, transparent, flat in appearance, and cure rapidly. And the cyanoacrylate adhesive has low peel strength, is easy to disassemble, and is convenient for the object stage 1 and the cover plate 2 to be repeatedly used.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (6)
1. A clamp structure for aortic uniaxial tension testing, comprising:
the cover plate is arranged above the object stage; a groove is formed in the center of the top of the object stage, a protrusion is arranged in the center of the bottom of the cover plate and inserted into the groove, and the top of the protrusion is in clearance fit with the bottom of the groove;
the material detection device comprises a material detection device, a material detection device and a control device, wherein the material detection device is arranged between the top of the protrusion and the bottom of the groove;
and the adhesive layer is arranged around the material to be detected and is used for connecting the object stage, the cover plate and the material to be detected.
2. The clamp structure for uniaxial aortic tension test as claimed in claim 1, wherein the distance between the top of the protrusion and the bottom of the groove is 1.5 mm.
3. The clamp structure for uniaxial aortic tension test as claimed in claim 1, wherein the object stage and the cover plate are square, and four corners of the object stage and four corners of the cover plate are respectively connected by screws.
4. The clamp structure for uniaxial aortic tension test as claimed in claim 1, wherein the stage and the cover plate are made of aluminum alloy.
5. The clamp structure for uniaxial aortic tension test as claimed in claim 4, wherein the bottom of the stage is a first frosted surface, and the top of the cover plate is a second frosted surface.
6. The clamp structure for aortic uniaxial tension test as claimed in claim 1, wherein the adhesive layer is cyanoacrylate adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020318949.7U CN212008091U (en) | 2020-03-13 | 2020-03-13 | Clamp structure for uniaxial tension test of aorta |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020318949.7U CN212008091U (en) | 2020-03-13 | 2020-03-13 | Clamp structure for uniaxial tension test of aorta |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212008091U true CN212008091U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020318949.7U Active CN212008091U (en) | 2020-03-13 | 2020-03-13 | Clamp structure for uniaxial tension test of aorta |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212008091U (en) |
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2020
- 2020-03-13 CN CN202020318949.7U patent/CN212008091U/en active Active
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