CN220419048U - Bending property degree detection tool for composite material test piece - Google Patents
Bending property degree detection tool for composite material test piece Download PDFInfo
- Publication number
- CN220419048U CN220419048U CN202321988249.9U CN202321988249U CN220419048U CN 220419048 U CN220419048 U CN 220419048U CN 202321988249 U CN202321988249 U CN 202321988249U CN 220419048 U CN220419048 U CN 220419048U
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- positive
- test piece
- composite material
- negative screw
- rod
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- 238000012360 testing method Methods 0.000 title claims abstract description 48
- 239000002131 composite material Substances 0.000 title claims abstract description 34
- 238000005452 bending Methods 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a bending performance detection tool for a composite material test piece, which comprises a base, wherein two first L-shaped brackets are arranged on the base, the two first L-shaped brackets are rotatably provided with the same positive and negative screw rods, one end of each positive and negative screw rod is provided with a crank handle, the positive and negative screw rods are in threaded connection with a first slide rod and a second slide rod, the bottom ends of the first slide rod and the second slide rod are respectively provided with a support rod, the bottom ends of the two support rods are respectively and slidably arranged in the base, the distance between the first slide rod and the second slide rod can be adjusted through the cooperation of the positive and negative screw rods, the first slide rod and the second slide rod, and the test piece is tightly pressed through the cooperation of the second L-shaped brackets, bolts, spherical pieces and pressing blocks, so that the tool can adapt to composite material test pieces with different lengths, and the pressing blocks can automatically rotate to proper angles according to the external contours of the test pieces, and the compacting effect of the test pieces is ensured.
Description
Technical Field
The utility model relates to the technical field of composite material bending performance detection, in particular to a composite material test piece bending performance degree detection tool.
Background
The utility model with the publication number of CN217845871U discloses a composite material bending property detection device, which comprises a detection table, two fixing frames and two vertical plates are fixedly arranged above the detection table, the two vertical plates are respectively positioned at two sides of the two fixing frames, a cross beam is fixedly arranged between the two vertical plates, an electric push rod is fixedly arranged at the bottom end of the cross beam, an installation rod is connected with an end surface thread of a piston rod of the electric push rod, a pressing block is fixedly arranged at the bottom end of the installation rod, a screw rod is threaded on the fixing frame, a groove is formed in the top end of the detection table, an adjusting rod is slid in a fixing cylinder, the position of a supporting block can be adjusted, a bolt can be rotated clockwise after the adjustment is completed to lock the adjusting rod, the supporting block can limit the bending range of a composite material, and when the composite material reaches the maximum bending range between the supporting block, the supporting block is in butt joint with the bending range of the composite material, and the problem that the bending degree of the composite material is easy to break can be avoided.
In the prior art, the compression of the composite material is realized through the two fixing frames, the screw and the anti-skid block, but because the distance between the two fixing frames is fixed, the length of the composite material is different, so that the device has certain limitation when compressing the composite material with different lengths, and the composite material is deformed when being subjected to bending detection, the existing fixture compresses the composite material between the workbench and the anti-skid block, and the detection data is easy to influence, so that the requirement of people is met by the composite material test piece bending performance detection fixture.
Disclosure of Invention
The utility model aims to provide a tool for detecting the bending property of a composite material test piece, which solves the problems that in the prior art, when composite materials with different lengths are compressed, certain limitation exists, the composite materials are compressed between a workbench and an anti-skid block, and detection data is easy to influence.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a combined material test piece bending property degree detects frock, includes the base, be provided with two first L type supports on the base, same positive and negative screw rod is installed to two first L type supports internal rotation, install the crank handle on the one end of positive and negative screw rod, threaded connection has first slide bar and second slide bar on the positive and negative screw rod, all be provided with the bracing piece on the bottom of first slide bar and second slide bar, the equal slidable mounting in the base of bottom of two bracing pieces, all be provided with second L type support on the top of first slide bar and second slide bar, the top internal thread connection of second L type support has the bolt, and the bottom of bolt is provided with the ball, and movable mounting has the briquetting on the outer wall of ball.
Preferably, the inner corner of the first L-shaped bracket is provided with a reinforcing rib.
Preferably, both ends of the positive and negative screw rods are provided with baffle plates, and the two baffle plates are respectively positioned at the outer sides of the two first L-shaped brackets.
Preferably, the first slide bar is provided with a positive threaded hole, the positive threaded hole is in threaded connection with a positive threaded section of the positive and negative screw rod, the second slide bar is provided with a reverse threaded hole, and the reverse threaded hole is in threaded connection with a reverse threaded section of the positive and negative screw rod.
Preferably, the same limiting rod is arranged between the two first L-shaped brackets, and the first sliding rod and the second sliding rod are both slidably arranged on the limiting rod.
Preferably, the base is provided with a limit groove, the two support rods are slidably mounted in the limit groove, the bottom ends of the two support rods are rotatably provided with balls, and the bottoms of the balls are in contact with the inner wall of the bottom end of the limit groove.
Preferably, the pressing block is provided with a hemispherical hole, the spherical member is positioned in the hemispherical hole, and the aperture of the opening of the hemispherical hole is smaller than the outer diameter of the spherical member.
The beneficial effects of the utility model are as follows:
according to the utility model, the distance between the first slide bar and the second slide bar is adjustable through the cooperation of the positive and negative screw rods, the first slide bar and the second slide bar, and the test piece is compressed through the cooperation of the second L-shaped bracket, the bolt, the spherical part and the pressing block, so that the fixture can adapt to composite material test pieces with different lengths, and the pressing block can automatically rotate to a proper angle according to the external contour of the test piece, and the test piece compression effect is ensured.
Compared with the prior art, the clamping mechanism is lifted through the first L-shaped bracket, sufficient space is provided for bending deformation of a test piece, accuracy of test detection data is guaranteed, the supporting rod provides support for the clamping mechanism, and the clamping mechanism is prevented from overturning in the test process.
Drawings
FIG. 1 is a schematic structural diagram of a tool for detecting bending performance of a composite material test piece;
FIG. 2 is a schematic diagram of a top-down cross-section structure of a positive and negative screw of the tool for detecting the bending performance of a composite material test piece;
FIG. 3 is a schematic diagram of a side view cross-section structure of a support rod of a tool for detecting bending performance of a composite material test piece;
fig. 4 is a schematic diagram of a rear view cross-section structure of a second L-shaped bracket of the tool for detecting bending performance of a composite material test piece according to the present utility model.
In the figure: 1. a base; 2. a first L-shaped bracket; 3. a positive and negative screw; 4. a crank handle; 5. a first slide bar; 6. a second slide bar; 7. a support rod; 8. a second L-shaped bracket; 9. a bolt; 10. a spherical member; 11. briquetting; 12. reinforcing ribs; 13. a baffle; 14. a positive threaded hole; 15. a reverse threaded hole; 16. a limit rod; 17. a limit groove; 18. a ball; 19. hemispherical holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, a bending performance degree detection tool for a composite material test piece comprises a base 1, wherein two first L-shaped brackets 2 are arranged on the base 1, the same positive and negative screw rod 3 is rotatably installed on the two first L-shaped brackets 2, a crank handle 4 is installed on one end of the positive and negative screw rod 3, a first slide rod 5 and a second slide rod 6 are connected to the positive and negative screw rod 3 in a threaded manner, support rods 7 are arranged at the bottom ends of the first slide rod 5 and the second slide rod 6, the bottom ends of the two support rods 7 are slidably installed in the base 1, a second L-shaped bracket 8 is arranged at the top ends of the first slide rod 5 and the second slide rod 6, a bolt 9 is connected to the inner thread at the top ends of the second L-shaped brackets 8, a spherical part 10 is arranged at the bottom end of the bolt 9, and a pressing block 11 is movably installed on the outer wall of the spherical part 10.
The base 1 is fixed on a workbench of the testing machine, a composite material test piece is placed on the first slide rod 5 and the second slide rod 6, the crank handle 4 is rotated, the positive and negative screw rod 3 rotates, and the first slide rod 5 and the second slide rod 6 are far away from each other, when the first slide rod 5 and the second slide rod 6 move to two ends of the test piece, the crank handle 4 is stopped rotating, the bolt 9 is rotated, the press block 11 descends to be attached to the test piece, the bolt 9 is screwed down, the two ends of the test piece are fixed, the testing machine is driven to detect bending performance of the test piece, the distance between the first slide rod 5 and the second slide rod 6 is adjustable through the cooperation of the positive and negative screw rod 3, the first slide rod 5 and the second slide rod 6, the test piece is pressed tightly through the cooperation of the second L-shaped support 8, the bolt 9, the spherical piece 10 and the press block 11, thereby the tool can adapt to the composite material test piece with different lengths, and the press block 11 can automatically rotate to a proper angle according to the external profile of the test piece, the test piece pressing effect is guaranteed, the position of the clamping mechanism is lifted through the first L-shaped support 2, compared with the prior art, the sufficient bending space is guaranteed, the clamping mechanism is provided, the accurate supporting mechanism is prevented from being provided in the test, the test process is provided, the test and the test device is prevented from being deformed, and accurate, and the test is provided.
Specifically, in this embodiment, the reinforcing ribs 12 are disposed at the inner corners of the first L-shaped bracket 2, so as to provide stability for the first L-shaped bracket 2 and prevent the whole overturning in the experimental process.
Specifically, in this embodiment, the two ends of the positive and negative screw 3 are both provided with the baffle plates 13, and the two baffle plates 13 are respectively located at the outer sides of the two first L-shaped brackets 2, and the baffle plates 13 provide axial limiting for the positive and negative screw 3, so as to ensure that the positive and negative screw 3 always rotates at the same position.
Specifically, in this embodiment, the first slide rod 5 is provided with the positive threaded hole 14, the positive threaded hole 14 is in threaded connection with the positive threaded section of the positive and negative screw rod 3, the second slide rod 6 is provided with the reverse threaded hole 15, the reverse threaded hole 15 is in threaded connection with the reverse threaded section of the positive and negative screw rod 3, and the positive threaded hole 14, the reverse threaded hole 15 and the positive and negative screw rod 3 are matched, so that the positive and negative screw rod 3 which rotates in one direction realizes the adjustment of the distance between the first slide rod 5 and the second slide rod 6.
Specifically, in this embodiment, the same stop lever 16 is disposed between two first L-shaped brackets 2, the first slide rod 5 and the second slide rod 6 are both slidably mounted on the stop lever 16, and the stop lever 16 provides movement guidance for the first slide rod 5 and the second slide rod 6, so as to prevent shaking generated during movement.
Specifically, in this embodiment, the base 1 is provided with the limit groove 17, the two support rods 7 are slidably mounted in the limit groove 17, the ball 18 is rotatably mounted in the bottom ends of the two support rods 7, the bottom ends of the ball 18 are in contact with the inner wall of the bottom end of the limit groove 17, and the limit groove 17 and the ball 18 are matched, so that the first slide rod 5 and the second slide rod 6 move more smoothly.
Specifically, in this embodiment, the hemispherical hole 19 is formed on the pressing block 11, the spherical member 10 is located in the hemispherical hole 19, the aperture of the opening of the hemispherical hole 19 is smaller than the outer diameter of the spherical member 10, and the hemispherical hole 19 and the spherical member 10 are matched, so that the pressing block 11 can change the angle on the spherical member 10, the pressing block 11 can automatically change according to the profile of a test piece, the compaction degree of the test piece is ensured, and the pressing block 11 is prevented from being separated from the spherical member 10.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.
Claims (7)
1. The utility model provides a combined material test piece bending property degree detects frock, includes base (1), its characterized in that: be provided with two first L type supports (2) on base (1), same positive and negative screw rod (3) are installed in the rotation of two first L type supports (2), install crank handle (4) on the one end of positive and negative screw rod (3), threaded connection has first slide bar (5) and second slide bar (6) on positive and negative screw rod (3), all be provided with bracing piece (7) on the bottom of first slide bar (5) and second slide bar (6), the equal slidable mounting in base (1) of bottom of two bracing pieces (7), all be provided with second L type support (8) on the top of first slide bar (5) and second slide bar (6), the top internal thread connection of second L type support (8) has bolt (9), the bottom of bolt (9) is provided with spherical spare (10), movable mounting has briquetting (11) on the outer wall of spherical spare (10).
2. The composite material test piece bending property detection tool according to claim 1, wherein: reinforcing ribs (12) are arranged at the inner corners of the first L-shaped support (2).
3. The composite material test piece bending property detection tool according to claim 1, wherein: both ends of the positive and negative screw rod (3) are provided with baffle plates (13), and the two baffle plates (13) are respectively positioned at the outer sides of the two first L-shaped brackets (2).
4. The composite material test piece bending property detection tool according to claim 1, wherein: the first sliding rod (5) is provided with a positive threaded hole (14), the positive threaded hole (14) is in threaded connection with a positive threaded section of the positive and negative screw rod (3), the second sliding rod (6) is provided with a reverse threaded hole (15), and the reverse threaded hole (15) is in threaded connection with a reverse threaded section of the positive and negative screw rod (3).
5. The composite material test piece bending property detection tool according to claim 1, wherein: the same limiting rod (16) is arranged between the two first L-shaped brackets (2), and the first sliding rod (5) and the second sliding rod (6) are both slidably arranged on the limiting rod (16).
6. The composite material test piece bending property detection tool according to claim 1, wherein: the base (1) is provided with a limit groove (17), the two support rods (7) are slidably arranged in the limit groove (17), the bottoms of the two support rods (7) are rotatably provided with balls (18), and the bottoms of the balls (18) are in contact with the inner wall of the bottom end of the limit groove (17).
7. The composite material test piece bending property detection tool according to claim 1, wherein: hemispherical holes (19) are formed in the pressing blocks (11), the spherical parts (10) are located in the hemispherical holes (19), and the aperture of the openings of the hemispherical holes (19) is smaller than the outer diameter of the spherical parts (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321988249.9U CN220419048U (en) | 2023-07-27 | 2023-07-27 | Bending property degree detection tool for composite material test piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321988249.9U CN220419048U (en) | 2023-07-27 | 2023-07-27 | Bending property degree detection tool for composite material test piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220419048U true CN220419048U (en) | 2024-01-30 |
Family
ID=89652530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321988249.9U Active CN220419048U (en) | 2023-07-27 | 2023-07-27 | Bending property degree detection tool for composite material test piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220419048U (en) |
-
2023
- 2023-07-27 CN CN202321988249.9U patent/CN220419048U/en active Active
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