CN219736987U - Fixing clamp for cutting thickness of asphalt mixture cylinder test piece - Google Patents
Fixing clamp for cutting thickness of asphalt mixture cylinder test piece Download PDFInfo
- Publication number
- CN219736987U CN219736987U CN202320770328.6U CN202320770328U CN219736987U CN 219736987 U CN219736987 U CN 219736987U CN 202320770328 U CN202320770328 U CN 202320770328U CN 219736987 U CN219736987 U CN 219736987U
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- test piece
- positioning
- cutting
- supporting
- fixing
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- 238000012360 testing method Methods 0.000 title claims abstract description 61
- 238000005520 cutting process Methods 0.000 title claims abstract description 39
- 239000010426 asphalt Substances 0.000 title claims abstract description 22
- 239000000203 mixture Substances 0.000 title claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 abstract 2
- 238000000429 assembly Methods 0.000 abstract 2
- 238000009434 installation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a fixing clamp for cutting the thickness of a cylindrical test piece of an asphalt mixture, and relates to the technical field of cutting clamps, comprising supporting legs, wherein the upper ends of the supporting legs are provided with mounting assemblies, each mounting assembly comprises a workbench, the upper ends of the workbench are provided with test pieces, the two ends of each test piece are movably inserted and provided with positioning assemblies, each positioning assembly comprises a base, and screw rods are symmetrically arranged at the upper ends of the base; the middle of the base is provided with a mounting groove, the bottom of the mounting groove is provided with a buffer spring, the upper end of the buffer spring is connected with a positioning table, the upper end of the positioning table is symmetrically provided with a limiting spring, and one end of the limiting spring is provided with a positioning block; a side support component is movably inserted in the middle of the screw rod; the upper end of the screw rod is movably inserted and provided with a fixing component. The utility model is used for solving the problems that when the thickness of the cylindrical test piece is cut, the cutting surface cannot be horizontal due to the fact that the fixing effect of the clamp is poor and the vibration can generate deflection during cutting, and the splitting experimental result is affected.
Description
Technical Field
The utility model relates to the technical field of cutting clamps, in particular to a fixing clamp for cutting the thickness of a cylindrical test piece of an asphalt mixture.
Background
The asphalt mixture cylinder test piece refers to a compacted asphalt mixture sample having a cylindrical shape for performing various physical tests such as indirect tensile strength, fatigue, modulus, and the like.
The asphalt mixture splitting test is a test method, and by applying a tensile force to a cylindrical test piece until the test piece splits, the splitting damage of the asphalt mixture at a specified temperature and loading rate or the mechanical property of the asphalt mixture at an elastic stage can be measured, and the asphalt mixture splitting test method can also be used for selecting the mechanical design parameters of the asphalt mixture and evaluating the low-temperature cracking resistance of the asphalt mixture in the structural design of an asphalt pavement. The cleavage strength of the test piece is calculated from the maximum value of the test load and the height of the test piece. The cleaving test may be performed at different temperatures to simulate different road conditions.
Need cut the cylinder test piece before carrying out the splitting experiment, among the prior art, when cutting cylinder test piece thickness, because the fixed effect of anchor clamps is not good, can produce the skew owing to vibrations when cutting, lead to the unable level of cutting face, influence splitting experiment result. Therefore, a fixing clamp for cutting the thickness of the asphalt mixture cylinder test piece is needed to solve the problems.
Disclosure of Invention
Aiming at the problems, the utility model provides a fixing clamp for cutting the thickness of a cylindrical test piece of an asphalt mixture, which is used for solving the problems that when the thickness of the cylindrical test piece is cut, the fixing effect of the clamp is poor, when the cylindrical test piece is cut, the vibration can generate deflection, so that the cutting surface cannot be horizontal, and the splitting experimental result is affected.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a fixed fixture of bituminous mixture cylinder test piece thickness cutting, includes the landing leg, and the upper end of landing leg is provided with the installation component, and the installation component includes the workstation, and the upper end of workstation is provided with the test piece, and the activity of both ends of test piece is alternated and is provided with locating component, and locating component includes the base, and the upper end symmetry of base is provided with the lead screw; the middle of the base is provided with a mounting groove, the bottom of the mounting groove is provided with a buffer spring, the upper end of the buffer spring is connected with a positioning table, the upper end of the positioning table is symmetrically provided with a limiting spring, and one end of the limiting spring is provided with a positioning block; a side support component is movably inserted in the middle of the screw rod; the upper end of the screw rod is movably inserted with a fixing assembly, the fixing assembly comprises a mounting plate, and the upper end and the lower end of the mounting plate are provided with second fixing rings; a screw rod is inserted in the middle of the mounting plate, a fixed seat is movably inserted in the middle of the screw rod, and the lower end of the screw rod is connected with a fixed plate; the middle of the test piece is provided with a supporting component.
Compared with the prior art, the utility model has the beneficial effects that: the device can realize the fixation of the cylindrical test piece in the cutting process of the thickness direction, can realize the positioning of the cylindrical test piece, reduce the influence of vibration on plane cutting in the cutting process, and improve the precision in the cutting process.
As a further improvement of the technical scheme, the positioning table is concave, and the buffer spring is fixed in the groove of the positioning table; guide posts are symmetrically arranged at the bottom of the positioning table; one side of the positioning block is arc-shaped and is provided with a positioning pad.
The technical purpose of the improvement is as follows: the buffer spring reduces vibration during cutting; the guide post realizes the up-and-down movement of the positioning table.
As a further improvement of the technical scheme, the workbench is in a semi-square shape, strip-shaped grooves are formed in two sides of the workbench, bolts penetrating through the strip-shaped grooves are arranged at the lower ends of the positioning component and the supporting component, and nuts are movably arranged at one ends of the bolts.
The technical purpose of the improvement is as follows: the workbench realizes the fixation of the positioning component and the fixing component, and realizes the position adjustment according to the test piece.
As a further improvement of the technical scheme, the side support assembly comprises a rotating block, the rotating block is arranged on the screw rod in a penetrating way, support rods are arranged at the two ends of the rotating block in a penetrating way, a rotating seat is arranged at one end of each support rod, and side support blocks are arranged at the other end of each support rod; the support rod is fixed through the first fixed ring.
The technical purpose of the improvement is as follows: the side support assembly realizes the fixation of both sides of the test piece, and improves the fixation effect.
As a further improvement of the technical scheme, the supporting component comprises a supporting seat, and the upper end of the supporting seat is semicircular and is provided with a supporting pad.
The technical purpose of the improvement is as follows: the support component is used for fixedly supporting the test piece during cutting.
As a further improvement of the technical scheme, the upper end of the screw is provided with a handle; the fixed plate lower extreme is provided with the flexible pad that is used for laminating test piece.
The technical purpose of the improvement is as follows: the handle is used for realizing the installation and fixation of the screw rod; the telescopic pad is clung to the test piece when realizing cutting, so that the influence of vibration on cutting is reduced.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic side view of the present utility model.
Fig. 3 is a schematic view of the support assembly of fig. 1.
Fig. 4 is an enlarged schematic view at a in fig. 2.
In the figure: 1. a support leg; 2. a mounting assembly; 201. a work table; 202. a bar-shaped groove; 203. a bolt; 204. a nut; 3. a support assembly; 301. a support base; 302. a support pad; 4. a test piece; 5. a positioning assembly; 501. a base; 502. a screw rod; 503. a mounting groove; 504. a buffer spring; 505. a guide post; 506. a positioning table; 507. a limit spring; 508. a positioning block; 509. a positioning pad; 6. a side stay assembly; 601. a rotating seat; 602. a support rod; 603. a first fixing ring; 604. a rotating block; 605. side support blocks; 7. a fixing assembly; 701. a mounting plate; 702. a second fixing ring; 703. a screw; 704. a handle; 705. a fixing seat; 706. a fixing plate; 707. a telescopic pad.
Detailed Description
The following detailed description of the utility model, in conjunction with the examples, is intended to be merely exemplary and explanatory and should not be construed as limiting the scope of the utility model in any way, in order to provide a better understanding of the utility model as claimed.
As shown in fig. 1-4, a fixing clamp for cutting the thickness of an asphalt mixture cylinder test piece 4 comprises a supporting leg 1, wherein an installation component 2 is arranged at the upper end of the supporting leg 1, the installation component 2 comprises a workbench 201, the test piece 4 is arranged at the upper end of the workbench 201, positioning components 5 are movably inserted at two ends of the test piece 4, the positioning components 5 comprise a base 501, and screw rods 502 are symmetrically arranged at the upper end of the base 501; the middle of the base 501 is provided with a mounting groove 503, the bottom of the mounting groove 503 is provided with a buffer spring 504, the upper end of the buffer spring 504 is connected with a positioning table 506, the upper end of the positioning table 506 is symmetrically provided with a limiting spring 507, and one end of the limiting spring 507 is provided with a positioning block 508; a side support component 6 is movably inserted in the middle of the screw rod 502; the upper end of the screw rod 502 is movably inserted and provided with a fixing assembly 7, the fixing assembly 7 comprises an installation plate 701, and the upper end and the lower end of the installation plate 701 are provided with second fixing rings 702; a screw 703 is inserted in the middle of the mounting plate 701, a fixed seat 705 is movably inserted in the middle of the screw 703, and the lower end of the screw 703 is connected with a fixed plate 706; the middle of the test piece 4 is provided with a support assembly 3.
Specifically, the upper end of the leg 1 is fixedly provided with a table 201, and a plurality of buffer springs 504 are provided.
As shown in fig. 1, as a preferred mode of the above embodiment, the positioning table 506 is concave, and the buffer spring 504 is fixed in the groove of the positioning table 506; guide posts 505 are symmetrically arranged at the bottom of the positioning table 506; one side of the positioning block 508 is arc-shaped, and is provided with a positioning pad 509.
Specifically, the positioning pad 509 is a rubber pad, and the upper end of the guiding post 505 is fixed in the grooves on two sides of the positioning table 506.
As shown in fig. 1, as a preferable mode of the above embodiment, the workbench 201 is in a half-loop shape, two sides of the workbench 201 are provided with strip grooves 202, the lower ends of the positioning component 5 and the supporting component 3 are provided with bolts 203 penetrating through the strip grooves 202, and one end of each bolt 203 is movably provided with a nut 204.
Specifically, the base 501 has the same shape as the support 301 and the positioning table 506, and is attached to the positioning table 506.
As shown in fig. 1, as a preferable mode of the above embodiment, the side support assembly 6 includes a rotating block 604, the rotating block 604 is inserted and arranged on the screw rod 502, two ends of the rotating block 604 are inserted and provided with support rods 602, one end of the support rod 602 is provided with a rotating seat 601, and the other end of the support rod 602 is provided with a side support block 605; the support bar 602 is fixed by a first fixing ring 603.
Specifically, the supporting rods 602 are symmetrically arranged, and rubber pads are arranged at the contact surfaces of the side supporting blocks 605 and the test piece 4.
As shown in fig. 1, as a preferred mode of the above embodiment, the support assembly 3 includes a support base 301, and an upper end of the support base 301 is semicircular and provided with a support pad 302.
Specifically, two supporting seats 301 are provided, and the cutting position is between the two supporting seats 301.
As shown in fig. 1, as a preferable mode of the above embodiment, a handle 704 is provided at an upper end of the screw 703; the lower end of the fixing plate 706 is provided with a telescopic pad 707 for fitting the test piece 4.
Specifically, the stretchable pad 707 is a stretchable material that can be attached according to the shape of the test piece 4.
The utility model has the specific working principle that: firstly, determining a cutting point on a test piece 4, then placing the test piece 4 on a support component 3, adjusting the position of a support seat 301 according to the cutting point by the support component 3, fixing the support seat 301 through a bolt 203 by using a nut 204 after passing through a bar-shaped groove 202, then moving a positioning component 5 to two ends of the test piece 4, fixing a base 501 through the bolt 203 by using the nut 204 after passing through the bar-shaped groove 202, enabling the test piece 4 to contact a positioning block 508, enabling a limiting spring 507 at one side of the positioning block 508 to tightly contact the positioning block 508, enabling a positioning pad 509 to contact the test piece 4, enabling a positioning table 506 to move up and down under the action of a buffer spring 504 and a guide post 505, screwing a rotating seat 601 into a screw rod 502, selecting a support rod 602 through the rotating seat 601 to enable a side support block 605 to fix the test piece 4, fixing a support rod 602 through a first fixing ring 603, installing a mounting plate 701 into the screw rod 502 to be fixed through a second fixing ring 702, rotating a handle to rotate a screw 703, enabling a screw 703 to descend to enable a fixing plate 706 to move downwards to enable a telescopic pad 707 to contact the test piece 4, fixing the screw 703 through the fixing seat 705, and finally cutting the test piece 4, and enabling the buffer spring 504 to be capable of reducing vibration during cutting; the beneficial effects of the utility model are as follows: the device can realize the fixation of the cylindrical test piece 4 in the cutting process of the thickness direction, can realize the positioning of the cylindrical test piece 4, reduce the influence of vibration on plane cutting in the cutting process, and improve the precision in the cutting process.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely a preferred embodiment of the utility model, and it should be noted that, due to the limited text expressions, there is objectively no limit to the specific structure, and that, for a person skilled in the art, modifications, adaptations or variations may be made without departing from the principles of the present utility model, and the above technical features may be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present utility model.
Claims (6)
1. The utility model provides a fixed fixture for cutting the thickness of an asphalt mixture cylinder test piece, which comprises supporting legs (1) and is characterized in that the upper end of the supporting legs (1) is provided with a mounting component (2), the mounting component (2) comprises a workbench (201), the upper end of the workbench (201) is provided with a test piece (4), two ends of the test piece (4) are movably inserted and provided with a positioning component (5), the positioning component (5) comprises a base (501), and screw rods (502) are symmetrically arranged at the upper end of the base (501); the middle of the base (501) is provided with a mounting groove (503), the bottom of the mounting groove (503) is provided with a buffer spring (504), the upper end of the buffer spring (504) is connected with a positioning table (506), the upper end of the positioning table (506) is symmetrically provided with a limiting spring (507), and one end of the limiting spring (507) is provided with a positioning block (508); a side support component (6) is movably inserted in the middle of the screw rod (502); the upper end of the screw rod (502) is movably inserted and provided with a fixing assembly (7), the fixing assembly (7) comprises a mounting plate (701), and the upper end and the lower end of the mounting plate (701) are provided with second fixing rings (702); a screw (703) is inserted in the middle of the mounting plate (701), a fixed seat (705) is movably inserted in the middle of the screw (703), and the lower end of the screw (703) is connected with a fixed plate (706); the middle of the test piece (4) is provided with a supporting component (3).
2. The fixture for thickness cutting of asphalt mixture cylinder test pieces according to claim 1, wherein said positioning table (506) is concave, and said buffer spring (504) is fixed in a groove of said positioning table (506); guide posts (505) are symmetrically arranged at the bottom of the positioning table (506); one side of the positioning block (508) is arc-shaped, and is provided with a positioning pad (509).
3. The fixing clamp for cutting thickness of asphalt mixture cylinder test pieces according to claim 1, wherein the workbench (201) is in a semi-square shape, strip-shaped grooves (202) are formed in two sides of the workbench (201), bolts (203) penetrating through the strip-shaped grooves (202) are arranged at the lower ends of the positioning assembly (5) and the supporting assembly (3), and nuts (204) are movably arranged at one ends of the bolts (203).
4. The fixing clamp for cutting thickness of asphalt mixture cylinder test pieces according to claim 1, wherein the side support assembly (6) comprises a rotating block (604), the rotating block (604) is arranged on a screw rod (502) in a penetrating manner, supporting rods (602) are arranged at two ends of the rotating block (604) in a penetrating manner, a rotating seat (601) is arranged at one end of each supporting rod (602), and a side support block (605) is arranged at the other end of each supporting rod (602); the support rod (602) is fixed through a first fixing ring (603).
5. The fixing clamp for cutting thickness of asphalt mixture cylinder test pieces according to claim 1, wherein the supporting component (3) comprises a supporting seat (301), and the upper end of the supporting seat (301) is semicircular and is provided with a supporting pad (302).
6. The fixing clamp for cutting the thickness of the asphalt mixture cylinder test piece according to claim 1, wherein a handle (704) is arranged at the upper end of the screw (703); the lower end of the fixing plate (706) is provided with a telescopic pad (707) for attaching the test piece (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320770328.6U CN219736987U (en) | 2023-04-10 | 2023-04-10 | Fixing clamp for cutting thickness of asphalt mixture cylinder test piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320770328.6U CN219736987U (en) | 2023-04-10 | 2023-04-10 | Fixing clamp for cutting thickness of asphalt mixture cylinder test piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219736987U true CN219736987U (en) | 2023-09-22 |
Family
ID=88032655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320770328.6U Active CN219736987U (en) | 2023-04-10 | 2023-04-10 | Fixing clamp for cutting thickness of asphalt mixture cylinder test piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219736987U (en) |
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2023
- 2023-04-10 CN CN202320770328.6U patent/CN219736987U/en active Active
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