CN216082291U - Fiber material tensile test anchor clamps fixing device - Google Patents
Fiber material tensile test anchor clamps fixing device Download PDFInfo
- Publication number
- CN216082291U CN216082291U CN202122431835.0U CN202122431835U CN216082291U CN 216082291 U CN216082291 U CN 216082291U CN 202122431835 U CN202122431835 U CN 202122431835U CN 216082291 U CN216082291 U CN 216082291U
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- Prior art keywords
- fiber
- clamping piece
- piece
- tensile test
- middle pressing
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- Expired - Fee Related
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- 238000009864 tensile test Methods 0.000 title claims abstract description 32
- 239000002657 fibrous material Substances 0.000 title claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 63
- 239000000463 material Substances 0.000 claims description 5
- 238000012360 testing method Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract 2
- 241000196324 Embryophyta Species 0.000 description 12
- 238000010586 diagram Methods 0.000 description 3
- 244000198134 Agave sisalana Species 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000007891 compressed tablet Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to the technical field of fiber material test devices, in particular to a fixing device for a fiber material tensile test clamp. The fiber two ends are folded into a U shape, the U-shaped groove is bypassed, the U-shaped groove is fixed on the middle pressing sheet, the clamping sheets are installed on two sides of the middle pressing sheet respectively along the fixing grooves, the fibers are aligned with the fiber guide grooves of the clamping sheets and the fiber guide grooves of the middle pressing sheet and then are compressed, and the fibers are firmly bonded. The utility model is suitable for fixing the plant fiber material in the process of tensile test, can avoid slippage in the process of tensile test, relieves stress concentration of the clamping part, and can obtain accurate and reliable test data.
Description
Technical Field
The utility model relates to the technical field of fiber material testing devices, is suitable for fixing plant fiber materials during a tensile test, and is a tensile test fixture fixing device.
Background
The plant fibers are various and exist in different parts of seeds, basts, leaves, fruits and the like of plants, the common plant fibers include cotton fibers, flax fibers, bamboo fibers, sisal fibers, coconut fibers and the like, and the plant fibers belong to renewable resources and are widely applied.
In the plant fiber tensile test, the plant fiber needs to be fixed on a tensile testing machine for testing, when the tensile testing machine clamps directly clamp the plant fiber for testing, slippage is easy to generate, and meanwhile, the vicinity of the fiber end is easy to be directly clamped off, so that the real result of the tensile test cannot be obtained, and the test result is inaccurate, therefore, a proper clamp fixing device is needed to assist in completing the test, and therefore, the fixing device for the fiber material tensile test clamp is researched and designed, the plant fiber can be effectively fixed on the tensile testing machine clamp, and the accurate test result is obtained, so that the utility model has important significance in the aspect of the fiber tensile test.
Disclosure of Invention
The utility model aims to provide a fixing device for a fiber material tensile test clamp, which can be realized by the following technical scheme.
A fixing device for a fiber material tensile test fixture is composed of a clamping piece (1) and a middle pressing piece (2); the clamping piece (1) is pentagonal and consists of a fixing groove (1-1), a clamping piece fiber guide groove (1-2) and clamping piece anti-slip patterns (1-3), the fixing groove (1-1) is located in the middle of the clamping piece (1), the clamping piece fiber guide groove (1-2) is located in the center line position of the clamping piece (1), the diameter of the clamping piece fiber guide groove is smaller than that of the clamped fiber (3), and the clamping piece anti-slip patterns (1-3) are located on the side face of the clamping piece (1); the middle pressing piece (2) is composed of a U-shaped groove (2-1), middle pressing piece anti-slip lines (2-2) and middle pressing piece fiber guide grooves (2-3), the width of the U-shaped groove (2-1) is larger than the diameter of the clamped fiber (3), the fiber (3) bypasses the U-shaped groove (2-1), the middle pressing piece anti-slip lines (2-2) are fully distributed on the whole middle pressing piece (2), the middle pressing piece fiber guide grooves (2-3) are located on the center line position of the middle pressing piece (2), and the diameter of the middle pressing piece fiber guide grooves is smaller than the diameter of the clamped fiber (3). The clamping piece (1) and the middle pressing piece (2) are made of flexible materials and made of paper materials.
The fixing device for the fiber material tensile test fixture has the obvious effects that the contact area of a sample and the fixture is increased, the plant fibers can be effectively prevented from sliding in the tensile test, the fixture of the tensile test machine is not in direct contact with the plant fibers, the plant fibers are clamped by the fixture fixing device, the stress concentration of a clamping part can be relieved, the direct pinching-off near the end of the fibers can be avoided, accurate tensile test data can be obtained, and the reliability of the tensile test result is improved.
Drawings
FIG. 1 is a schematic structural diagram of a fixture for a fiber material tensile test fixture.
Fig. 2 is a schematic structural development of a fixture for fiber material tensile test.
Fig. 3 is a schematic structural view of the holding piece.
Fig. 4 is a schematic view of the structure of the intermediate compressed tablet.
Wherein: 1. a clamping piece; 2. intermediate tabletting; 3. fibers; 1-1, fixing grooves; 1-2, clamping piece fiber guide groove; 1-3, clamping piece anti-skid lines; 2-1. U-shaped groove; 2-2, pressing the anti-skid lines in the middle; 2-3, middle tabletting fiber guide groove.
Detailed Description
The structure and operation of the present invention will be further described with reference to the accompanying drawings, which are not intended to limit the scope of the utility model.
Fig. 1 shows an integral structure of a fixture for a fiber material tensile test, which comprises a clamping piece (1) and an intermediate pressing piece (2).
Fig. 2 is a schematic expanded structural view of a fixture for a fiber material tensile test fixture. Both ends respectively have preforming (2) in the middle of two cramping pieces (1) and a slice, and fibre (3) are installed in the middle on preforming (2), and cramping piece (1) is installed respectively on the two sides of middle preforming (2) to bond it together, in order to realize the fixed of fibre (3).
Fig. 3 shows a schematic structural diagram of the holding sheet (1), which comprises a fixing groove (1-1), a holding sheet fiber guide groove (1-2) and a holding sheet anti-slip pattern (1-3). The fixing groove (1-1) is positioned in the middle of the clamping piece (1) and is used for fixing the position of the middle pressing piece (2); the clamping piece fiber guide groove (1-2) is positioned at the center line of the clamping piece (1) and used for ensuring that the fiber (3) is positioned at the center line of the device during a tensile test; the clamping piece anti-slip threads (1-3) are positioned on the side surface of the clamping piece (1) and used for ensuring that enough friction force exists between the clamping piece and a tensile testing machine clamp.
FIG. 4 shows a schematic structural diagram of the intermediate pressing sheet (2), which comprises a U-shaped groove (2-1), an intermediate pressing sheet antiskid line (2-2) and an intermediate pressing sheet fiber guide groove (2-3). The U-shaped groove (2-1) is used for winding the fibers (3) to avoid slippage in a tensile test; the middle tabletting antiskid lines (2-2) are distributed on the whole middle tabletting (2) for increasing friction; the middle pressed sheet fiber guide groove (2-3) is positioned at the central line of the middle pressed sheet (2) and is used for ensuring that the fiber (3) is positioned at the central line of the device when a tensile test is carried out.
The fixing of the fibre material in the tensile test was carried out as follows:
the first step, two ends of the fiber (3) are folded into a U shape, and the two ends of the fiber (3) respectively bypass the U-shaped grooves (2-1) and are positioned in the middle tabletting fiber guide grooves (2-3).
And secondly, aligning the middle pressing sheets (2) with the fibers (3) to the positions of the fixing grooves (1-1), pressing the fibers (3) by using the clamping sheets (1) on two sides of each middle pressing sheet (2), and simultaneously enabling the fibers (3) to be positioned in the fiber guide grooves (1-2) of the clamping sheets and firmly bonding the fibers.
And thirdly, mounting the device on a tensile testing machine fixture, and enabling the fixture to be in contact with the anti-skid grains (1-3) of the clamping pieces at two ends and clamping the clamping pieces.
The above description is only for illustrating the present invention, but the scope of the present invention is not limited thereto, and all changes or substitutions based on the technical solution of the present invention should be covered within the scope of the present invention.
Claims (2)
1. The utility model provides a fiber material tensile test anchor clamps fixing device which characterized in that: the device consists of a clamping piece (1) and an intermediate pressing piece (2); the clamping piece (1) is pentagonal and consists of a fixing groove (1-1), a clamping piece fiber guide groove (1-2) and clamping piece anti-slip patterns (1-3), the fixing groove (1-1) is located in the middle of the clamping piece (1), the clamping piece fiber guide groove (1-2) is located in the center line position of the clamping piece (1), the diameter of the clamping piece fiber guide groove is smaller than that of the clamped fiber (3), and the clamping piece anti-slip patterns (1-3) are located on the side face of the clamping piece (1); the middle pressing piece (2) is composed of a U-shaped groove (2-1), middle pressing piece anti-slip lines (2-2) and middle pressing piece fiber guide grooves (2-3), the width of the U-shaped groove (2-1) is larger than the diameter of the clamped fiber (3), the fiber (3) bypasses the U-shaped groove (2-1), the middle pressing piece anti-slip lines (2-2) are fully distributed on the whole middle pressing piece (2), the middle pressing piece fiber guide grooves (2-3) are located on the center line position of the middle pressing piece (2), and the diameter of the middle pressing piece fiber guide grooves is smaller than the diameter of the clamped fiber (3).
2. The fixing device according to claim 1, characterized in that the holding piece (1) and the intermediate pressing piece (2) are made of flexible materials and made of paper materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122431835.0U CN216082291U (en) | 2021-10-10 | 2021-10-10 | Fiber material tensile test anchor clamps fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122431835.0U CN216082291U (en) | 2021-10-10 | 2021-10-10 | Fiber material tensile test anchor clamps fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216082291U true CN216082291U (en) | 2022-03-18 |
Family
ID=80638074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122431835.0U Expired - Fee Related CN216082291U (en) | 2021-10-10 | 2021-10-10 | Fiber material tensile test anchor clamps fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216082291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114778303A (en) * | 2022-06-20 | 2022-07-22 | 新沂崚峻光电科技有限公司 | Laser film tension detection device and detection method |
-
2021
- 2021-10-10 CN CN202122431835.0U patent/CN216082291U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114778303A (en) * | 2022-06-20 | 2022-07-22 | 新沂崚峻光电科技有限公司 | Laser film tension detection device and detection method |
| CN114778303B (en) * | 2022-06-20 | 2022-09-02 | 新沂崚峻光电科技有限公司 | Laser film tension detection device and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220318 |
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| CF01 | Termination of patent right due to non-payment of annual fee |