CN220270994U - Tensile test fixture and device - Google Patents
Tensile test fixture and device Download PDFInfo
- Publication number
- CN220270994U CN220270994U CN202321526010.XU CN202321526010U CN220270994U CN 220270994 U CN220270994 U CN 220270994U CN 202321526010 U CN202321526010 U CN 202321526010U CN 220270994 U CN220270994 U CN 220270994U
- Authority
- CN
- China
- Prior art keywords
- clamping plate
- open slot
- tensile
- groove
- clamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009864 tensile test Methods 0.000 title claims abstract description 35
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 9
- 210000002421 cell wall Anatomy 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model belongs to the technical field of tensile tests. In view of the problem that the existing clamps of the tensile machine cannot meet the requirements of samples with different sizes, the utility model discloses a tensile test clamp and a tensile test device, wherein the clamp comprises a body, a clamping device and a clamping device, wherein the body is provided with an axially extending open slot; the open slot penetrates through the body; the clamping plate is movably arranged in the open slot; and a gap is reserved between the clamping plate and the wall of the open slot; the fastener is connected with the clamping plate to drive the clamping plate to move towards the groove wall at one side of the open groove so as to clamp the sample; wherein, a plurality of guide holes which outwards penetrate through the body are arranged on the groove wall at one side of the open groove; one side of the clamping plate is provided with a plurality of guide rods; the length of the guide rod is larger than the difference between the depth of the open slot and the thickness of the clamping plate; the guide rods are correspondingly penetrated in the guide holes one by one. The clamp can meet the detection of samples with various sizes, is simple to operate, and is favorable for rapidly installing and detaching the samples.
Description
Technical Field
The utility model belongs to the technical field of tensile tests, and particularly relates to a tensile test clamp.
Background
The tensile test is generally referred to as a tensile test, and the tensile test can measure a series of strength indexes and plasticity indexes of materials, is an important method for researching and measuring the mechanics of the materials, and is usually carried out by adopting a tensile machine.
Currently, for performing related tests, a tensile machine is generally matched with an upper clamp and a lower clamp, such as a commonly used wedge-shaped clamp, a ripple clamp and the like, and a reinforcing tensile test is performed on a measurement sample through the upper clamp and the lower clamp.
However, in the actual use process, as the sizes of the samples to be detected are various, the clamp of the tension machine cannot meet the requirements of materials with different sizes, and the samples are inconvenient to install and detach; therefore, it is necessary to design a tensile test fixture which can be applied to different specifications and is convenient to mount and dismount samples.
Disclosure of Invention
In view of the above problems that the existing clamps of the tensile machine cannot meet the requirements of samples with different sizes and are inconvenient to install and disassemble, one of the purposes of the present utility model is to provide a tensile test clamp which is simple to operate and is applicable to tensile test clamps with different specifications.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a tensile test fixture comprises a body with an axially extending open slot; the open slot penetrates through the body; the clamping plate is movably arranged in the open slot; a gap is reserved between the clamping plate and the groove wall of the open groove; and the fastener is connected with the clamping plate and used for driving the clamping plate to move towards the groove wall at one side of the opening groove so as to clamp the sample.
The groove wall at one side of the opening groove is provided with a plurality of guide holes which outwards penetrate through the body; one side of the clamping plate is provided with a plurality of guide rods; the length of the guide rod is larger than the difference between the depth of the open slot and the thickness of the clamping plate; the guide rods are correspondingly arranged in the guide holes in a penetrating mode.
In one aspect of the disclosure, the fastener includes a fastening screw.
The center of the groove wall of one side of the opening groove provided with the guide hole is provided with a threaded hole; the fastening screw penetrates through the threaded hole.
In one of the technical solutions disclosed in the utility model, the end of the fastening screw is provided with a butterfly-shaped part.
In one of the technical schemes disclosed by the utility model, the groove wall at the other side of the open groove extends upwards to form an extension part; the top of the extension part extends towards the clamping plate to form a covering part so as to cover a gap between the clamping plate and the open slot.
In one of the technical schemes disclosed by the utility model, a connecting piece is arranged at the center of the covering part.
The utility model also discloses a tensile test device which is provided with the tensile machine and the two tensile test clamps according to the technical scheme, wherein the clamps are respectively arranged on the stretching rod and the base of the tensile machine.
In one of the technical solutions disclosed in the utility model, the clamp is detachably connected with the stretching rod and the base.
In one of the technical schemes disclosed by the utility model, the stretching rod and the base are provided with connecting sleeves; the connecting piece is provided with a connecting part in threaded connection with the connecting sleeve.
In one of the technical solutions disclosed in the utility model, the connecting part is rotatably connected with the connecting piece.
In one of the technical schemes disclosed by the utility model, the connecting piece is a screw rod; the connecting part is in threaded connection with the screw rod; the connecting part is provided with a convex ring; the convex ring is provided with external threads in the thread direction of the connecting part; and the connecting sleeve is provided with an internal thread matched with the external thread.
As can be seen from the above description, compared with the prior art, the utility model has the following beneficial effects:
1. through being equipped with the open slot on the body to promote the splint of activity setting in the open slot through fastening screw to one side cell wall removal of open slot, thereby carry out the centre gripping to the sample, both can satisfy the sample to not unidimensional centre gripping, make again that the installation sample is simple convenient with dismantling the sample, be favorable to improving test efficiency, and can avoid appearing the problem of stress concentration pinch-off sample.
2. The cell wall of open slot and the relative cell wall of fastening screw outwards extend and are formed with extension, and extension's top is formed with to splint one side extension and covers the portion, covers the center department of portion and is provided with the connecting piece to guarantee when carrying out tensile test, guarantee anchor clamps and sample can not deviate from the atress central line, thereby be favorable to improving the accuracy of test.
3. The connecting piece and the stretching rod of the pulling machine are detachably connected and fixed with the base, so that the repeated utilization of the clamp can be realized, and the utilization rate of the clamp can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the related art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a tensile test fixture according to the present utility model.
FIG. 2 is a schematic structural view of a tensile testing apparatus according to the present utility model.
Reference numerals: 1-a body; 11-open slot; 111-extension; 112-a cover portion; 12-baffle; 13-a connector; 131-a connection; 132-convex ring; 2-clamping plates; 21-a guide rod; 3-a fastener; 31-fastening a screw; 32-butterfly;
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
The embodiment of the utility model discloses a tensile test clamp, which is structurally shown in the accompanying figure 1 and comprises a body 1, a clamping plate 2 and a fastener 3.
Specifically, the body 1 is provided with an open groove 11 extending in the axial direction and penetrating the body 1. The clamping plate 2 is arranged in the open groove 11 and can move back and forth between the groove walls at the two sides of the open groove 11, namely, a gap is reserved between the clamping plate 2 and the groove walls of the open groove 11. The fastener 3 is connected to the clamping plate 2 to drive the clamping plate 2 to move.
In actual operation, the clamping plate 2 is driven to move in the open groove 11 by the fastening piece 3, so that the opposite surface of the clamping plate 2 and the wall of the open groove 11 forms a clamping surface with the wall of the open groove 11 to clamp the sample.
By adopting the structure, the clamping surface is formed between the clamping plate 2 and the open slot 11, so that the sample can be conveniently installed and unloaded, the test efficiency can be improved, and the problem of sample pinch-off caused by stress concentration can be avoided.
More specifically, the middle area of one side of the clamping plate 2 is symmetrically provided with at least two guide rods 21; correspondingly, a guide hole matched with the guide rod 21 is formed in the groove wall on one side of the open groove 11; the guide rod 21 is movably arranged in the guide hole in a penetrating way, and the length of the guide rod 21 is larger than the difference between the groove width of the open groove 11 and the thickness of the clamping plate 2, so that the clamping plate can be stably guided, and the clamping plate 2 is prevented from being separated from the body 1.
The fastener 3 includes a fastening screw 31. Wherein, a screw hole is arranged at the center of the groove wall at one side of the opening groove 11, and a fastening screw 31 is arranged in the screw hole 31 in a penetrating way.
When the test is performed, the clamp plate 2 is pushed to move toward the groove wall on the other side of the open groove 11 by screwing the clamp screw 31 to bring the clamp screw 31 into contact with the clamp plate 2, thereby clamping the sample.
To facilitate the screwing of the tightening screw 31 by the worker, the tightening screw 31 is provided with a butterfly 32.
More specifically, the open groove 11 is provided with a baffle 12 on the side corresponding to the opening of the fastener 3 to protect the clamping plate 12. It will be appreciated that a symmetrical baffle 12 may be provided on the other side of the open channel 11 for aesthetic reasons.
In some embodiments, it is contemplated that the clamp and test specimen will deflect from the force center line during the tensile test, which is prone to test errors; extending the slot wall of the open slot 11 opposite to the fastener 3 outwards to form an extension 111; the top of the extension 111 is provided with a cover 112 extending toward the clamping plate 2 to cover the space between the open slot 11 and the clamping plate 2; a connecting member 13 is provided at the center of the cover portion 112.
Example 2
The embodiment of the utility model discloses a tensile test device, the structure of which is shown in figures 1 and 2, comprising a tensile machine and two clamps of the embodiment, wherein the two clamps are respectively arranged on a tensile rod 4 and a base 5 of the tensile machine.
Specifically, the connecting piece 12 and the stretching rod 4 and the base 5 of the pulling machine are detachably connected and fixed. By adopting the structure, the clamp can be freely detached, so that the clamp can be repeatedly utilized, and the utilization rate of the clamp can be improved.
More specifically, the stretching rod 4 and the base 5 of the stretching machine are respectively provided with a connecting sleeve 6.
The connecting piece 13 is a screw rod, the connecting piece 13 is in threaded connection with a connecting part 131, one side, far away from the clamp, of the connecting part 131 is provided with a convex ring 132, and the convex ring 132 is provided with external threads with the opposite directions of the threads of the connecting part 131. Correspondingly, the stretching rod and the base of the pulling machine are respectively provided with a connecting sleeve 4, and the inner wall of the connecting sleeve 4 is provided with an internal thread which is in threaded connection with the external thread of the convex ring 132.
Therefore, when the assembly is carried out, the clamp is detachably fixed on the tension machine through the connection between the convex ring 132 and the connecting sleeve 4, and the operation is simple.
It is understood that the convex ring 132 is further rotatably disposed on the connecting portion 131, so that the connecting portion 131 and the convex ring 132 can be adjusted as required.
As can be seen from the above description, the working principle and the beneficial effects of the embodiment of the utility model are as follows:
through being equipped with open slot 11 on body 1 to promote splint 2 that the activity set up in open slot 11 through fastening screw 31 to the one side cell wall of open slot 11 removes, thereby carry out the centre gripping to the sample, both make the installation sample and dismantle the sample simple and convenient, be favorable to improving test efficiency, and can avoid appearing stress concentration pinch-off the problem of sample; further, the groove wall of the open groove 11 opposite to the fastening screw 31 extends outwards to form an extension part 111, the top of the extension part 111 extends to one side of the clamping plate 2 to form a covering part 112, and a connecting piece 12 is arranged at the center of the covering part 112, so that the clamp and the sample are ensured not to deviate from a stressed central line when a tensile test is performed, and the accuracy of the test is improved; finally, the connecting piece 12 and the stretching rod 4 and the base 5 of the tension machine are detachably connected and fixed, so that the repeated utilization of the clamp can be realized, and the utilization rate of the clamp is improved.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. A tensile test fixture, comprising:
a body having an axially extending open slot; the open slot penetrates through the body;
the clamping plate is movably arranged in the open slot; a gap is reserved between the clamping plate and the groove wall of the open groove;
the fastener is connected with the clamping plate and used for driving the clamping plate to move towards the groove wall at one side of the open groove so as to clamp a sample;
the groove wall at one side of the opening groove is provided with a plurality of guide holes which outwards penetrate through the body;
one side of the clamping plate is provided with a plurality of guide rods; the length of the guide rod is larger than the difference between the depth of the open slot and the thickness of the clamping plate;
the guide rods are correspondingly arranged in the guide holes in a penetrating mode.
2. The tensile test fixture of claim 1, wherein the fastener comprises a fastening screw;
the center of the groove wall of one side of the opening groove provided with the guide hole is provided with a threaded hole;
the fastening screw penetrates through the threaded hole.
3. The tensile test fixture of claim 2, wherein the end of the fastening screw is provided with a butterfly.
4. A tensile test fixture according to any one of claims 1 to 3, wherein the other side groove wall of the open groove is formed with an extension portion extending upward; the top of the extension part extends towards the clamping plate to form a covering part so as to cover a gap between the clamping plate and the open slot.
5. The tensile test fixture of claim 4, wherein a connecting member is provided at a center position of the cover portion.
6. A tensile testing device having a tensile machine, and further comprising two tensile testing fixtures according to claim 5, respectively mounted on a stretching rod and a base of the tensile machine.
7. The tensile testing device of claim 6, wherein said clamp is removably connected to said stretch rod and said base.
8. The tensile testing device according to claim 7, wherein connecting sleeves are arranged on the stretching rod and the base;
the connecting piece is provided with a connecting part in threaded connection with the connecting sleeve.
9. The tensile testing device of claim 8, wherein said connecting portion and said connecting member are rotatably connected.
10. The tensile testing device of claim 9, wherein:
the connecting piece is a screw rod;
the connecting part is in threaded connection with the screw rod; the connecting part is provided with a convex ring;
the convex ring is provided with external threads in the thread direction of the connecting part;
and the connecting sleeve is provided with an internal thread matched with the external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321526010.XU CN220270994U (en) | 2023-06-15 | 2023-06-15 | Tensile test fixture and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321526010.XU CN220270994U (en) | 2023-06-15 | 2023-06-15 | Tensile test fixture and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220270994U true CN220270994U (en) | 2023-12-29 |
Family
ID=89320114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321526010.XU Active CN220270994U (en) | 2023-06-15 | 2023-06-15 | Tensile test fixture and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220270994U (en) |
-
2023
- 2023-06-15 CN CN202321526010.XU patent/CN220270994U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206235511U (en) | A kind of metal material detection clamp clamping device of clamp of replaceable gripping block | |
| CN220270994U (en) | Tensile test fixture and device | |
| CN214173996U (en) | Clamp for tensile test and tensile test device | |
| CN202101925U (en) | Plastic fastener insertion and extraction force testing fixture | |
| CN111948034A (en) | Tensile clamp for plate-type sample and using method thereof | |
| CN214503168U (en) | Steel wire rope tension detection device | |
| CN211955299U (en) | Solid electrolyte electrochemical gas sensor | |
| CN212621854U (en) | Bolt rockwell hardness test fixing device | |
| CN209903068U (en) | Knocking type reaction force arm mechanism | |
| CN212459155U (en) | Clamping device for plate-shaped sample of friction wear testing machine | |
| CN210154475U (en) | Device for detecting length of bolt | |
| CN209027910U (en) | A kind of tensile test fixture of long test specimen | |
| CN206960229U (en) | A kind of pulling experiment machine clamp | |
| CN212031147U (en) | Tensile detection device is used in sticky tape production | |
| CN207197927U (en) | A kind of aluminum alloy pattern plate frame tensile test fixture | |
| CN214821963U (en) | Catalyst assembly marking clamp | |
| CN219084584U (en) | Geogrid peel strength anchor clamps | |
| CN215677876U (en) | Tensile detection instrument of bolt | |
| CN214703050U (en) | Clamp for sample tensile test | |
| CN218297824U (en) | Small-size heavy H-shaped steel Z-direction tensile test auxiliary device | |
| CN221550284U (en) | Auxiliary tension device for detecting tension tester | |
| CN220959956U (en) | Engine gauge | |
| CN212254860U (en) | Blind rivet pretightening force test fixture | |
| CN217277587U (en) | Novel Brinell hardness tester for detection | |
| CN221811842U (en) | Storage battery internal resistance test equipment convenient to disassemble and assemble |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |