CN220583923U - Polymer material tensile property testing device - Google Patents
Polymer material tensile property testing device Download PDFInfo
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- CN220583923U CN220583923U CN202321612018.8U CN202321612018U CN220583923U CN 220583923 U CN220583923 U CN 220583923U CN 202321612018 U CN202321612018 U CN 202321612018U CN 220583923 U CN220583923 U CN 220583923U
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- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 239000002861 polymer material Substances 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 20
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 20
- 241001330002 Bambuseae Species 0.000 claims description 20
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 20
- 239000011425 bamboo Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 19
- 238000002474 experimental method Methods 0.000 description 3
- 230000035772 mutation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a high polymer material tensile property testing device, belongs to the technical field of material detection, and solves the technical problems that the existing device lacks protection facilities, when a tested material is stretched and broken and elongated, broken materials possibly fly out of the device to hurt workers, in addition, the lower end of the material is fixed by adopting a hook, the lower end of the material is possibly fragile, and the stress is concentrated at the lower end to lead the hook to be broken first, so that experimental results are influenced and the like. The high polymer material tensile property testing device comprises a base and a mounting platform, wherein a mounting cavity is formed in the base, a mounting seat and a first protection barrel are fixedly connected to the bottom of the mounting cavity, a tension meter is arranged on the mounting seat, a first clamp is connected to the tension meter, a second protection barrel is connected to the first protection barrel in a sliding manner, and a third protection barrel is connected to the second protection barrel in a sliding manner. The utility model has the advantages of stably clamping the sample for test and protecting staff in the test process.
Description
Technical Field
The utility model belongs to the technical field of material detection, and relates to a tensile property side testing device, in particular to a high polymer material tensile property testing device.
Background
The tensile test refers to a test method for measuring the properties of a material under an axial tensile load. The elastic limit, elongation, elastic modulus, proportion limit, area reduction, tensile strength, yield point, yield strength and other tensile performance indexes of the material can be determined by using data obtained by a tensile test, and the tensile performance of the material is obtained by measuring the tensile strength and tensile elongation at break in the tensile process.
Through searching, for example, chinese patent literature discloses a device for testing tensile properties of a polymer material [ application number: 201920733546.6; publication No.: CN 209927627U ]. The high polymer material tensile property testing device comprises a bottom plate, wherein the left side and the right side of the top of the bottom plate are fixedly connected with supporting plates, the tops of the two supporting plates are fixedly connected with a transverse plate, the middle point of the top of the transverse plate is fixedly connected with a cylinder, and the bottom of the cylinder penetrates through the transverse plate and extends to the lower side of the transverse plate to be fixedly connected with a fixing plate. Through the mutual cooperation of the cylinder threaded rod, the handle, the stabilizing block, the sliding chute and the movable block, the automatic stretching effect is realized. The problem of many manual stretching of common macromolecular material tensile properties testing arrangement, the state that leads to macromolecular material to appear the skew when avoiding stretching has been improved the steadiness when macromolecular material is stretched to improve the accuracy that realizes data, brought very big facility for the user.
The high polymer material tensile property testing device disclosed in the patent solves the problem that the common high polymer material tensile property testing device is manually stretched by a plurality of persons, avoids the state that the high polymer material is deviated during stretching, improves the stability of the high polymer material during stretching, but lacks protection facilities, when the testing material stretches and breaks to stretch, the broken material possibly flies out of the device to hurt staff, in addition, the lower end of the hook fixing material is possibly fragile, and the stress is concentrated at the lower end to lead the hook to break first, thereby influencing the experimental result.
Disclosure of Invention
The utility model aims at solving the problems in the prior art, and provides a high polymer material tensile property testing device, which aims at solving the technical problems that: how to realize stable clamping of the sample for test and protect staff during the test.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a macromolecular material tensile property testing arrangement, including base and mounting platform, the installation cavity has been seted up in the base, installation cavity bottom fixedly connected with mount pad and first protection section of thick bamboo, be provided with the tensiometer on the mount pad, be connected with first anchor clamps on the tensiometer, sliding connection has the second protection section of thick bamboo in the first protection section of thick bamboo, sliding connection has the third protection section of thick bamboo in the second protection section of thick bamboo, the first outer snap ring of second protection section of thick bamboo lower extreme periphery fixedly connected with, the second protection section of thick bamboo upper end inner periphery fixedly connected with second inner snap ring, the annular hole has been seted up to the base upside, the annular hole has been stretched out to the third protection section of thick bamboo upper end, the draw-in groove has been seted up to third protection section of thick bamboo upper end, base upside fixedly connected with slide bar, upper end fixedly connected with roof, be provided with drive assembly on the roof, drive assembly is connected with mounting platform both ends all fixedly connected with slide tube, slide tube and slide platform are connected with slide bar, slide bar and slide bar are provided with second anchor clamps and second side assembly.
The working principle of the utility model is as follows: during operation, the mounting platform is moved, the distance between the two clamps is equal to the length of a sample, the first clamp and the second clamp are used for clamping the two ends of the sample respectively, then the third protective cylinder is pulled upwards, the third protective cylinder is fixed through the matching of the bayonet component and the clamping groove when the third protective cylinder is pulled to the top end, then the mounting platform is lifted through the driving component, the mounting platform drives the upper end of the sample to lift through the second clamp, meanwhile, the mounting platform lifts to drive the third 1 protective cylinder to lift, when the second outer clamping ring is in contact with the second inner clamping ring, the third protective cylinder lifts to drive the second protective cylinder to lift, during testing, the stress is recorded through the tension meter, the length of elongation is recorded through the driving component, therefore, a stress-tensile length statistical graph of the sample is obtained, when the sample breaks, the stress is obviously changed, the tensile length corresponding to the point of the stress mutation in the statistical graph is the tensile breaking elongation of the sample, after the test is completed, the third protective cylinder is removed and reinstalled in the cavity, and the sample can be taken out and the next sample is subjected to the test.
The buckle assembly comprises a fixed box and an inserting rod, wherein the fixed box is fixedly connected to the lower side of the mounting platform, the fixed box is in sliding connection with the inserting rod, a poking plate is fixedly connected to the lower end of the inserting rod, and the lower end of the poking plate extends out of the fixed box.
By adopting the structure, when the third protection cylinder is lifted to be in conflict with the mounting platform during operation, the inserted bar is slid, so that the inserted bar stretches into the clamping groove, and the fixing of the protection cylinder is completed.
The first clamp and the second clamp are wedge-shaped clamps.
With the adoption of the structure, after a sample is clamped, the clamping force is increased along with the increase of the test load, so that the condition that the sample is separated from the clamp when the test load is increased is avoided.
The driving assembly comprises an electric telescopic rod, the electric telescopic rod is fixedly connected to the upper side of the top plate, and the telescopic end of the electric telescopic rod penetrates through the top plate and is fixedly connected with the mounting platform.
By adopting the structure, when in operation, the telescopic end of the electric telescopic rod is lifted, so that the mounting platform is driven to lift along the sliding rod.
And inclined struts are arranged at the joint of the telescopic end of the electric telescopic rod and the mounting platform and the joint of the sliding rod and the base.
By adopting the structure, the strength of the device can be increased, and the damage to the connecting part of the device caused by overlarge load during experiments is avoided.
And the upper end of the third protection cylinder is fixedly connected with a handle.
With the structure, the third protection cylinder is convenient for the staff to lift or put down.
Compared with the prior art, the high polymer material tensile property testing device has the following advantages:
1. during operation, the mounting platform is moved, the distance between the two clamps is equal to the length of a sample, the first clamp and the second clamp are used for clamping the two ends of the sample respectively, then the third protective cylinder is pulled upwards, the third protective cylinder is fixed through the matching of the bayonet component and the clamping groove when the third protective cylinder is pulled to the top end, then the mounting platform is lifted through the driving component, the mounting platform drives the upper end of the sample to lift through the second clamp, meanwhile, the mounting platform lifts to drive the third 1 protective cylinder to lift, when the second outer clamping ring is in contact with the second inner clamping ring, the third protective cylinder lifts to drive the second protective cylinder to lift, during testing, the stress is recorded through the tension meter, the length of elongation is recorded through the driving component, therefore, a stress-tensile length statistical graph of the sample is obtained, when the sample breaks, the stress is obviously changed, the tensile length corresponding to the point of the stress mutation in the statistical graph is the tensile breaking elongation of the sample, after the test is completed, the third protective cylinder is removed and reinstalled in the cavity, and the sample can be taken out and the next sample is subjected to the test.
2. The wedge-shaped clamp is selected to clamp the sample, the clamping force is increased along with the increase of the test load, and the condition that the sample is separated from the clamp when the test load is increased is avoided.
3. The diagonal bracing can increase the strength of the device and avoid damage to the connecting part of the device caused by overlarge load during experiments.
4. The handle is arranged to facilitate the operator to raise or lower the third protective cylinder.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
Fig. 3 is a schematic structural view of the working state of the present utility model.
Fig. 4 is a cross-sectional view of the operation of the present utility model.
Fig. 5 is a partial enlarged view at a in fig. 4.
In the figure, 1, a base; 2. a mounting platform; 3. a mounting cavity; 4. a mounting base; 5. a first protective cylinder; 6. a second protective cylinder; 7. a third protective cylinder; 8. a first clamp; 9. a first inner snap ring; 10. a first outer snap ring; 11. a second inner snap ring; 12. a second outer snap ring; 13. a clamping groove; 14. a slide bar; 15. a top plate; 16. a slide cylinder; 17. a second clamp; 18. a fixed box; 19. a rod; 20. a pulling piece; 21. an electric telescopic rod; 22. diagonal bracing; 23. a handle.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1-5, a high polymer material tensile property testing device comprises a base 1 and a mounting platform 2, wherein a mounting cavity 3 is formed in the base 1, a mounting seat 4 and a first protection cylinder 5 are fixedly connected to the bottom of the mounting cavity 3, a tension gauge is arranged on the mounting seat 4, a first clamp 8 is connected to the tension gauge, a second protection cylinder 6 is connected to the first protection cylinder 5 in a sliding manner, a third protection cylinder 7 is connected to the second protection cylinder 6 in a sliding manner, a first inner clamping ring 9 is fixedly connected to the inner periphery of the upper end of the first protection cylinder 5, a second inner clamping ring 11 is fixedly connected to the inner periphery of the lower end of the second protection cylinder 6, a second outer clamping ring 12 is fixedly connected to the outer periphery of the lower end of the third protection cylinder 7, an annular hole is formed in the upper side of the base 1, a clamping groove 13 is formed in the upper end of the third protection cylinder 7, a slide bar 14 is fixedly connected to the upper side of the base 1, a slide bar 15 is fixedly connected to the upper end of the slide bar 14, a driving assembly 15 is connected to the slide bar assembly 16 and the slide bar assembly 16 is connected to the two ends of the slide platform 2, and a top plate assembly 16 is fixedly connected to the two ends of the slide platform 2.
During operation, the mounting platform 2 is moved, the distance between the two clamps is equal to the length of a sample, the first clamp 8 and the second clamp 17 are used for clamping the two ends of the sample respectively, then the third protection cylinder 7 is pulled upwards, the third protection cylinder 7 is fixed through the matching of the clamping assembly and the clamping groove 13 when the third protection cylinder 7 is pulled to the top end, then the mounting platform 2 is lifted through the driving assembly, the mounting platform 2 drives the upper end of the sample to lift through the second clamp 17, meanwhile, the mounting platform 2 lifts to drive the third protection cylinder 7 to lift, when the second outer clamp ring 12 is in contact with the second inner clamp ring 11, the third protection cylinder 7 lifts to drive the second protection cylinder 6 to lift, during testing, the stress is recorded through the tension gauge, the length of extension is recorded through the driving assembly, so that a stress-tensile length statistical graph of the sample is obtained, when the sample breaks, the stress obviously changes, the tensile length corresponding to the point of the stress mutation in statistics is the tensile elongation of the sample, after the test, the third protection cylinder 7 is removed, the sample can be removed again, and the sample can be taken out from the sample cavity 3 after the test is completed.
The buckle subassembly includes fixed box 18 and inserted bar 19, and fixed box 18 fixed connection is in mounting platform 2 downside, fixed box 18 and inserted bar 19 sliding connection, and inserted bar 19 lower extreme fixedly connected with plectrum 20, plectrum 20 lower extreme stretches out fixed box 18.
With the above structure, when the third protection cylinder 7 is lifted to be in conflict with the mounting platform 2 during operation, the inserted link 19 is slid, so that the inserted link 19 stretches into the clamping groove 13, and the fixing of the protection cylinder is completed.
The first clamp 8 and the second clamp 17 are wedge clamps.
With the adoption of the structure, after a sample is clamped, the clamping force is increased along with the increase of the test load, so that the condition that the sample is separated from the clamp when the test load is increased is avoided.
The drive assembly includes electric telescopic rod 21, and electric telescopic rod 21 fixed connection is in roof 15 upside, and electric telescopic rod 21 flexible end passes roof 15 and with mounting platform 2 fixed connection.
With the above structure, in operation, the telescopic end of the electric telescopic rod 21 is lifted, so as to drive the mounting platform 2 to lift along the slide rod 14.
The connection of the telescopic end of the electric telescopic rod 21 and the mounting platform 2 and the connection of the sliding rod 14 and the base 1 are respectively provided with a diagonal brace 22.
By adopting the structure, the strength of the device can be increased, and the damage to the connecting part of the device caused by overlarge load during experiments is avoided.
The upper end of the third protection cylinder 7 is fixedly connected with a handle 23.
With the above structure, it is convenient for the worker to raise or lower the third protective cylinder 7.
The working principle of the utility model is that when the device works, the mounting platform 2 is moved, the distance between the two clamps is equal to the length of a sample, the first clamp 8 and the second clamp 17 are used for clamping the two ends of the sample respectively, then the third protection cylinder 7 is pulled up, when the third protection cylinder 7 is lifted to be in contact with the mounting platform 2, the inserted rod 19 is slid, the inserted rod 19 stretches into the clamping groove 13, the fixation of the protection cylinder is completed, then the telescopic end of the electric telescopic rod 21 is lifted, the mounting platform 2 is driven to lift along the slide bar 14, the mounting platform 2 drives the upper end of the sample to lift through the second clamp 17, the mounting platform 2 is lifted up to drive the third protection cylinder 7 to lift, when the second outer clamp 12 is in contact with the second inner clamp 11, the third protection cylinder 7 is lifted up to drive the second protection cylinder 6, the stress is recorded through the tension meter, the length of the extension is recorded through the electric telescopic rod 21, thus the stress-extension curve graph of the sample is obtained, when the sample breaks, the obvious change occurs, the corresponding tensile point in the statistics is counted, the tensile point of the stress break is counted, the sample is taken out, and the sample is taken out after the sample is completely broken, and the sample is completely tested, and the sample is taken from the sample after the sample is completely.
In conclusion, through the tension meter, the electric telescopic rod 21, the first clamp 8 and the second clamp 17, the stable clamping of the sample is realized for the test, and the function of the staff can be protected in the test process.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. The utility model provides a macromolecular material tensile properties testing arrangement, including base (1) and mounting platform (2), a serial communication port, install chamber (3) in base (1) have been seted up, install chamber (3) bottom fixedly connected with mount pad (4) and first protection section of thick bamboo (5), be provided with the tensiometer on mount pad (4), be connected with first anchor clamps (8) on the tensiometer, sliding connection has second protection section of thick bamboo (6) in first protection section of thick bamboo (5), sliding connection has third protection section of thick bamboo (7) in second protection section of thick bamboo (6), first protection section of thick bamboo (5) upper end inner periphery fixedly connected with first inner snap ring (9), second protection section of thick bamboo (6) lower extreme periphery fixedly connected with first outer snap ring (10), second protection section of thick bamboo (6) upper end inner periphery fixedly connected with second inner snap ring (11), third protection section of thick bamboo (7) lower extreme periphery fixedly connected with second outer snap ring (12) have been seted up annular hole on base (1) upside, third protection section of thick bamboo (7) upper end inner periphery fixedly connected with second outer snap ring (7), third protection section of thick bamboo (7) upper end fixedly connected with first outer snap ring (12), top plate (14) are connected with top plate (14) and top plate (14) are connected with one side (14), both ends of the mounting platform (2) are fixedly connected with sliding drums (16), the sliding drums (16) are in sliding connection with the sliding rods (14), and a second clamp (17) and a clamping assembly are arranged on the lower side of the mounting platform.
2. The device for testing the tensile property of the high polymer material according to claim 1, wherein the buckle assembly comprises a fixed box (18) and an inserting rod (19), the fixed box (18) is fixedly connected to the lower side of the mounting platform (2), the fixed box (18) is slidably connected with the inserting rod (19), a poking plate (20) is fixedly connected to the lower end of the inserting rod (19), and the lower end of the poking plate (20) extends out of the fixed box (18).
3. The device for testing the tensile properties of the high polymer material according to claim 2, wherein the first clamp (8) and the second clamp (17) are wedge-shaped clamps.
4. The device for testing the tensile property of the high polymer material according to claim 1, wherein the driving assembly comprises an electric telescopic rod (21), the electric telescopic rod (21) is fixedly connected to the upper side of the top plate (15), and the telescopic end of the electric telescopic rod (21) penetrates through the top plate (15) and is fixedly connected with the mounting platform (2).
5. The device for testing the tensile property of the high polymer material according to claim 4, wherein inclined struts (22) are arranged at the joint of the telescopic end of the electric telescopic rod (21) and the mounting platform (2) and the joint of the sliding rod (14) and the base (1).
6. The device for testing the tensile property of the high polymer material according to claim 5, wherein a handle (23) is fixedly connected to the upper end of the third protection cylinder (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321612018.8U CN220583923U (en) | 2023-06-21 | 2023-06-21 | Polymer material tensile property testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321612018.8U CN220583923U (en) | 2023-06-21 | 2023-06-21 | Polymer material tensile property testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220583923U true CN220583923U (en) | 2024-03-12 |
Family
ID=90122516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321612018.8U Active CN220583923U (en) | 2023-06-21 | 2023-06-21 | Polymer material tensile property testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220583923U (en) |
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2023
- 2023-06-21 CN CN202321612018.8U patent/CN220583923U/en active Active
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