CN210347316U - Tensile detection device of polymer cloth - Google Patents
Tensile detection device of polymer cloth Download PDFInfo
- Publication number
- CN210347316U CN210347316U CN201920968022.5U CN201920968022U CN210347316U CN 210347316 U CN210347316 U CN 210347316U CN 201920968022 U CN201920968022 U CN 201920968022U CN 210347316 U CN210347316 U CN 210347316U
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- Prior art keywords
- clamping arm
- clamping
- clamping jaw
- polymer cloth
- arc
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Abstract
The utility model provides a tensile detection device of polymer cloth, which comprises a bottom plate; the clamping device comprises a first clamping jaw, at least one group of first arc-shaped pressing blocks are arranged in the first clamping jaw, and a first rubber layer is coated on the outer surface of each first arc-shaped pressing block; the second clamping jaw is connected with the bottom plate in a sliding mode, at least one group of second arc-shaped pressing blocks are arranged in the second clamping jaw, and a second rubber layer is coated on the outer surface of each second arc-shaped pressing block; a drive mechanism having an output connected to the second jaw. The utility model discloses in, utilize first rubber layer and second rubber layer to have great coefficient of friction on the one hand to increase frictional force, on the other hand utilizes the elasticity on first rubber layer and second rubber layer, avoids forming excessive extrusion to the polymer cloth that awaits measuring, prevents that the tissue of polymer cloth from being destroyed, and then can reach the tip of stable fixed polymer cloth, can prevent again the destruction to polymer cloth tissue.
Description
Technical Field
The utility model relates to a textile material's tensile check out test set technical field, specific tensile detection device of polymer cloth that says so.
Background
The tensile detection of the textile material means that the tensile force of a sample is gradually increased by a mechanical method, so that the sample is stretched until the sample is broken, then the maximum tensile value born by the sample during the breaking is measured, and the elongation of the tested textile material during the preset tensile force is measured. The tensile test of the textile material is mainly used for testing the mechanical properties of the textile material, such as the indexes of breaking strength, elongation and the like.
However, the utility model discloses the people discovery, testing arrangement among the prior art often appears that clamping force says less sample that leads to and skids at the in-process that detects, perhaps clamping force says too big sample fracture in nip department that leads to the efficiency of software testing low.
Through retrieval, chinese utility model patent, patent number: CN201520366847.1 provides a textile material tensile test special fixture for textile material tensile test, textile material tensile test special fixture comprises the two parts of centre gripping at the sample both ends, and wherein each part all includes first splint, second splint and bolt assembly, first splint and second splint mutual disposition to connect by bolt assembly, evenly set up the cockscomb structure stripe unanimous with the loading direction on the tight working face of clamp of first splint and second splint. Although the scheme can clamp the sample, the arrangement of the sawtooth-shaped stripes easily damages the tissue structure of the textile material, and the initial cracks of the tested sample are generated and expanded from the clamping opening when the test is finished, so that the test result is influenced.
SUMMERY OF THE UTILITY MODEL
According to the not enough of above prior art, the utility model provides a tensile detection device of polymer cloth is dedicated to solve whole or one of the technical problem in the aforementioned background art.
The utility model provides a its technical problem adopt following technical scheme to realize:
a tensile detection device for polymer cloth comprises
A base plate;
the first clamping jaw is fixedly connected with the bottom plate and comprises a first upper clamping arm and a first lower clamping arm, a first clamping opening is formed between the first upper clamping arm and the first lower clamping arm, at least one group of first arc-shaped pressing blocks are arranged in the first clamping opening, and a first rubber layer is coated on the outer surface of each first arc-shaped pressing block;
the second clamping jaw is connected with the bottom plate in a sliding mode and is arranged opposite to the second clamping jaw, the second clamping jaw comprises a second upper clamping arm and a second lower clamping arm, a second clamping opening is formed between the second upper clamping arm and the second lower clamping arm, at least one group of second arc-shaped pressing blocks are arranged in the second clamping opening, and a second rubber layer is coated on the outer surface of each second arc-shaped pressing block;
and the output end of the driving mechanism is connected to the second clamping jaw so as to drive the second clamping jaw to be close to or far away from the first clamping jaw.
As a further improvement of the present invention, the first clamping jaw further comprises a first pulling rod, the first pulling rod is disposed at the bottom of the first clamping opening.
As a further improvement of the present invention, the second clamping jaw further comprises a second pulling rod, the second pulling rod is disposed at the bottom of the second clamping opening.
As a further improvement, the first screw rod of one end fixedly connected with of first arm lock, first screw rod runs through first last arm lock back nut is connected, first last arm lock with be provided with first elastic cushion layer between the first arm lock.
As a further improvement, the one end fixedly connected with second screw rod of arm lock under the second, the second screw rod runs through arm lock back nut is connected on the second, on the second the arm lock with be provided with second elastic cushion layer under the second between the arm lock.
As a further improvement of the utility model, be provided with the bar spout on the bottom plate, the second clamping jaw still includes the slider, the slider with arm lock fixed connection under the second, the mobilizable restriction of slider in the bar spout.
As a further improvement, the actuating mechanism is a hydraulic or electric drive telescopic rod, the fixed end of the telescopic rod with the bottom plate fixed connection, the movable end of the telescopic rod with the second clamping jaw fixed connection.
The utility model has the advantages that:
the utility model discloses in, fix the both ends of the polymer cloth that awaits measuring respectively through first clamping jaw and second clamping jaw, then actuating mechanism drives the second clamping jaw and does the motion of keeping away from first clamping jaw, with the mechanical properties of test polymer cloth, in addition, first rubber layer of surface cladding and second rubber layer at first arc briquetting and second arc briquetting respectively, utilize first rubber layer and second rubber layer to have great coefficient of friction on the one hand, with increase frictional force, on the other hand utilizes the elasticity on first rubber layer and second rubber layer, avoid forming excessive extrusion to the polymer cloth that awaits measuring, prevent that the tissue of polymer cloth is destroyed, and then can reach the tip of stable fixed polymer cloth, can prevent the destruction to polymer cloth tissue again, reach the purpose of the mechanical properties of accurate test polymer cloth.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a front view of the present embodiment;
FIG. 2 is a partial detail view of the first jaw of the present embodiment;
figure 3 is a partial detail view of the second jaw of this embodiment.
In the figure, 1-bottom plate, 2-first clamping jaw, 21-first lower clamping arm, 22-first upper clamping arm, 23-first arc-shaped pressing block, 24-first traction rod, 25-first screw rod, 26-first elastic cushion layer, 3-second clamping jaw, 31-second lower clamping arm, 32-second upper clamping arm, 33-second arc-shaped pressing block, 34-second traction rod, 35-second screw rod, 36-second elastic cushion layer, 37-sliding block and 4-driving mechanism.
Detailed Description
In the following description of the embodiments, the detailed embodiments of the present invention, such as the shapes and structures of the related components, the mutual positions and connection relationships between the components, the functions and working principles of the components, the manufacturing processes, and the operation and use methods, will be further described in detail to help those skilled in the art to understand the concept and technical solutions of the present invention more completely, accurately and deeply.
As a specific embodiment of the present invention, as shown in FIGS. 1-3, there is provided a tensile testing apparatus for polymer cloth, comprising
A base plate 1;
the first clamping jaw 2 is fixedly connected with the bottom plate 1, the first clamping jaw 2 comprises a first upper clamping arm 22 and a first lower clamping arm 21, a first clamping opening is formed between the first upper clamping arm 22 and the first lower clamping arm 21, at least one group of first arc-shaped pressing blocks 23 are arranged in the first clamping opening, and a first rubber layer is coated on the outer surface of each first arc-shaped pressing block 23;
the second clamping jaw 3 is connected with the bottom plate 1 in a sliding mode and is arranged opposite to the second clamping jaw 3, the second clamping jaw 3 comprises a second upper clamping arm 32 and a second lower clamping arm 31, a second clamping opening is formed between the second upper clamping arm 32 and the second lower clamping arm 31, at least one group of second arc-shaped pressing blocks 33 are arranged in the second clamping opening, and a second rubber layer is coated on the outer surface of each second arc-shaped pressing block 33;
a driving mechanism 4, an output end of the driving mechanism 4 is connected to the second clamping jaw 3 to drive the second clamping jaw 3 to approach or depart from the first clamping jaw 2.
The utility model discloses in, the both ends of the polymer cloth that awaits measuring are fixed respectively through first clamping jaw 2 and second clamping jaw 3, then actuating mechanism 4 drives second clamping jaw 3 and does the motion of keeping away from first clamping jaw 2 to the mechanical properties of test polymer cloth, and set up pressure sensor through the junction at actuating mechanism 4 and second clamping jaw 3, can gather experimental data. In addition, at least one group of first arc-shaped pressing blocks 23 and at least one group of second arc-shaped pressing blocks 33 are respectively arranged in the first clamping jaw 2 and the second clamping jaw 3, the first arc-shaped pressing blocks 23 and the second arc-shaped pressing blocks 33 can respectively press two end parts of the polymer cloth to be tested, in addition, the outer surfaces of the first arc-shaped pressing block 23 and the second arc-shaped pressing block 33 are respectively coated with a first rubber layer and a second rubber layer, on one hand, the first rubber layer and the second rubber layer have larger friction coefficients, so as to increase the friction force, on the other hand, the elasticity of the first rubber layer and the second rubber layer is utilized to avoid the excessive extrusion to the polymer cloth to be tested and prevent the tissue of the polymer cloth from being damaged, and then can not only be stable fixed the tip of polymer cloth, can prevent the destruction to polymer cloth tissue again, reach the purpose of accurate test polymer cloth's mechanical properties.
Further, as shown in fig. 2, the first clamping jaw 2 further includes a first pulling rod 24, and the first pulling rod 24 is disposed at the bottom of the first clamping opening. When the test bed is used, the end part of the polymer cloth to be tested bypasses the first pull rod 24 and then turns over to the first arc-shaped pressing block 23. Thus, the slip-preventing function of the first jaw 2 can be further improved. At least one end of the first traction rod 24 is fixedly connected with the first upper clamping arm 22 or the first lower clamping arm 21.
Further, the second clamping jaw 3 further comprises a second pulling rod 34, and the second pulling rod 34 is arranged at the bottom of the second clamping opening. At least one end of the second traction rod 34 is fixedly connected with the second upper clamping arm 32 or the second lower clamping arm 31. When the test bed is used, the end part of the polymer cloth to be tested bypasses the second pull rod 34 and then turns over to the second arc-shaped pressing block 33. Thus, the slip-preventing function of the second jaw 3 can be further improved.
As an optional embodiment of the present invention, the first screw rod 25 is fixedly connected to one end of the first lower clamping arm 21, the first screw rod 25 runs through the nut connection after the first upper clamping arm 22, the first upper clamping arm 22 and the first lower clamping arm 21 are provided with the first elastic cushion 26 therebetween. Therefore, the function of adjusting the distance between the first upper clamping arm 22 and the first lower clamping arm 21 can be realized, and the end part of the polymer cloth to be tested can be clamped after being placed into the first clamping opening. One end of the second lower clamping arm 31 is fixedly connected with a second screw 35, the second screw 35 penetrates through the second upper clamping arm 32 and is connected with a rear nut, and a second elastic cushion 36 is arranged between the second upper clamping arm 32 and the second lower clamping arm 31. Therefore, the function of adjusting the distance between the second upper clamping arm 32 and the second lower clamping arm 31 can be realized, and the end part of the polymer cloth to be tested can be clamped after being placed into the second clamping opening.
As an optional implementation manner of the present invention, a bar-shaped sliding groove is provided on the bottom plate 1, the second clamping jaw 3 further includes a slider 37, the slider 37 is fixedly connected to the second lower clamping arm 31, and the slider 37 is movably limited in the bar-shaped sliding groove. In this way, the direction of movement of the second jaw 3 can be defined by the arrangement of the slider 37 and the bar-shaped runner.
Further, actuating mechanism 4 is hydraulic pressure or electric drive's telescopic link, the stiff end of telescopic link with 1 fixed connection of bottom plate, the expansion end of telescopic link with 3 fixed connection of second clamping jaw.
The above exemplary description of the present invention is provided, and it is obvious that the present invention is not limited by the above manner, as long as the present invention adopts various insubstantial improvements of the method concept and technical solution, or the present invention is directly applied to other occasions without improvement, all within the protection scope of the present invention. The protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (7)
1. The utility model provides a tensile detection device of polymer cloth which characterized in that: comprises that
A base plate;
the first clamping jaw is fixedly connected with the bottom plate and comprises a first upper clamping arm and a first lower clamping arm, a first clamping opening is formed between the first upper clamping arm and the first lower clamping arm, at least one group of first arc-shaped pressing blocks are arranged in the first clamping opening, and a first rubber layer is coated on the outer surface of each first arc-shaped pressing block;
the second clamping jaw is connected with the bottom plate in a sliding mode and is arranged opposite to the second clamping jaw, the second clamping jaw comprises a second upper clamping arm and a second lower clamping arm, a second clamping opening is formed between the second upper clamping arm and the second lower clamping arm, at least one group of second arc-shaped pressing blocks are arranged in the second clamping opening, and a second rubber layer is coated on the outer surface of each second arc-shaped pressing block;
and the output end of the driving mechanism is connected to the second clamping jaw so as to drive the second clamping jaw to be close to or far away from the first clamping jaw.
2. The tension detection device for polymer cloth according to claim 1, wherein: the first clamping jaw further comprises a first traction rod, and the first traction rod is arranged at the bottom of the first clamping opening.
3. The tension detection device for polymer cloth according to claim 1, wherein: the second clamping jaw further comprises a second traction rod, and the second traction rod is arranged at the bottom of the second clamping opening.
4. The tension detection device for polymer cloth according to claim 1, wherein: one end of the first lower clamping arm is fixedly connected with a first screw rod, the first screw rod penetrates through the first upper clamping arm and is connected with a nut, and a first elastic cushion layer is arranged between the first upper clamping arm and the first lower clamping arm.
5. The tension detection device for polymer cloth according to claim 1, wherein: one end of the second lower clamping arm is fixedly connected with a second screw rod, the second screw rod penetrates through the second upper clamping arm and is connected with a nut, and a second elastic cushion layer is arranged between the second upper clamping arm and the second lower clamping arm.
6. The tension detection device for polymer cloth according to claim 1, wherein: the bottom plate is provided with a strip-shaped sliding groove, the second clamping jaw further comprises a sliding block, the sliding block is fixedly connected with the second lower clamping arm, and the sliding block is movably limited in the strip-shaped sliding groove.
7. The tension detection device for polymer cloth according to claim 6, wherein: the driving mechanism is a hydraulic or electric driving telescopic rod, the fixed end of the telescopic rod is fixedly connected with the bottom plate, and the movable end of the telescopic rod is fixedly connected with the second clamping jaw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920968022.5U CN210347316U (en) | 2019-06-22 | 2019-06-22 | Tensile detection device of polymer cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920968022.5U CN210347316U (en) | 2019-06-22 | 2019-06-22 | Tensile detection device of polymer cloth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210347316U true CN210347316U (en) | 2020-04-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920968022.5U Expired - Fee Related CN210347316U (en) | 2019-06-22 | 2019-06-22 | Tensile detection device of polymer cloth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210347316U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795889A (en) * | 2020-07-17 | 2020-10-20 | 北京航空航天大学 | Composite material stretching clamp with load and environment coupling effect and use method |
| CN112790926A (en) * | 2020-12-31 | 2021-05-14 | 重庆市佰恒科技有限公司 | Sickbed nursing pad anti-skid device |
-
2019
- 2019-06-22 CN CN201920968022.5U patent/CN210347316U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795889A (en) * | 2020-07-17 | 2020-10-20 | 北京航空航天大学 | Composite material stretching clamp with load and environment coupling effect and use method |
| CN111795889B (en) * | 2020-07-17 | 2021-06-08 | 北京航空航天大学 | Composite material stretching clamp with load and environment coupling effect and use method |
| CN112790926A (en) * | 2020-12-31 | 2021-05-14 | 重庆市佰恒科技有限公司 | Sickbed nursing pad anti-skid device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 Termination date: 20210622 |