CN220419006U - Manual wedge-shaped clamp for high-frequency fatigue test of steel strand - Google Patents
Manual wedge-shaped clamp for high-frequency fatigue test of steel strand Download PDFInfo
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- CN220419006U CN220419006U CN202321602766.8U CN202321602766U CN220419006U CN 220419006 U CN220419006 U CN 220419006U CN 202321602766 U CN202321602766 U CN 202321602766U CN 220419006 U CN220419006 U CN 220419006U
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- steel strand
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 37
- 239000010959 steel Substances 0.000 title claims abstract description 37
- 238000009661 fatigue test Methods 0.000 title claims abstract description 20
- 238000012360 testing method Methods 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a manual wedge-shaped clamp for high-frequency fatigue test of a steel strand, which belongs to the technical field of manual wedge-shaped clamps, and realizes reliable clamping of a steel strand sample by utilizing the pre-clamping and wedge-shaped structure loading principle in a manual operation mode, thereby meeting the high-frequency heavy load loading test working condition of the steel strand and improving the test success rate; the main fixture body pass through the screw thread and be connected the frock with last, the main fixture body passes through the screw thread and is connected the frock with connecting down, the limiting plate passes through locking gasket, locking screw and main fixture body are fixed, the steel strand wires sample carries out both ends centre gripping fixedly through clamp splice pre-assembly, wholly put into the main fixture body, lock nut passes through the screw thread respectively with last connection frock, connect the frock down and be connected the locking purpose, realize integral erection, adopt wedge reinforcement structure, through axial pulling force effect, wholly clamp the sample more tightly.
Description
Technical Field
The utility model relates to a manual wedge-shaped clamp, in particular to a manual wedge-shaped clamp for high-frequency fatigue test of a steel strand, and belongs to the technical field of manual wedge-shaped clamps.
Background
The cable-stayed bridge not only meets the requirements of normal driving, but also meets the requirements of railway driving, and is mainly characterized by dual-purpose road and railway, large main span, long inhaul cable and large cable force; in the actual operation of the inhaul cable, the inhaul cable can be subjected to various load actions and is in a high-stress state for a long time, particularly under the action of alternating load, the inhaul cable is easy to generate fatigue damage, and the fatigue damage of the steel strand is also a link which is not negligible along with the deep research, so that the manual wedge-shaped clamp for the high-frequency fatigue test of the steel strand is designed to solve the problems.
Disclosure of Invention
The utility model mainly aims to provide a manual wedge-shaped clamp for high-frequency fatigue test of a steel strand, which utilizes the pre-clamping and wedge-shaped structure loading principle to realize reliable clamping of a steel strand sample in a manual operation mode, meets the high-frequency and large-load loading test working condition of the steel strand and improves the success rate of the test; the main fixture body is connected with the upper connecting tool through threads, the main fixture body is connected with the lower connecting tool through threads, the limiting plate is fixed with the main fixture body through the anti-loose gasket and the locking screw, the steel strand sample is clamped and fixed at two ends through the clamp block preassembly component, the steel strand sample is integrally placed into the main fixture body, the locking nut is respectively connected with the upper connecting tool and the lower connecting tool through threads, the pre-tightening anti-loose purpose is achieved, the integral installation is realized, the wedge-shaped reinforcement structure is adopted, and the integral clamping of the sample is tighter through the axial tension effect in the test process, so that the clamping reliability of the sample is ensured; the sample is mounted in a hanging mode, so that labor saving efficiency is high, and the disassembly is convenient; the whole clamp is connected up and down by threads, in the axial drawing process of the sample, the self-adaptive centering of the upper clamping block part and the lower clamping block part can be realized, the lateral force and the torsion of the clamping part of the sample are reduced, and the success rate of the test is improved.
The aim of the utility model can be achieved by adopting the following technical scheme:
a manual wedge-shaped clamp for high-frequency fatigue test of a steel strand comprises a main clamp body, wherein the main clamp body is connected with an upper connecting tool through threads;
the main fixture body is connected with the lower connecting tool through threads;
the limiting plate is fixed with the main clamp body through the anti-loose gasket and the locking screw.
Preferably, the upper connecting tool is pre-tightened by the clamping blocks through the first locking screw, the second locking screw, the third locking screw and the fourth locking screw to form clamping force and is connected through screws;
the guide pin shaft is connected with the clamping block through threads.
Preferably, the limiting plate limits the radial assembly position of the clamp block preassembly assembly and the main clamp body.
Preferably, the locking nut and the threads of the main clamp body form a double-nut pre-tightening anti-loosening structure.
Preferably, the lock nut is connected with the upper connecting tool and the lower connecting tool through threads respectively.
Preferably, the steel strand test sample is clamped and fixed at two ends through the clamp block preassembly assembly, and is integrally placed into the main clamp body.
The beneficial technical effects of the utility model are as follows:
according to the manual wedge-shaped clamp for the high-frequency fatigue test of the steel strand, provided by the utility model, the steel strand sample is reliably clamped by utilizing the pre-clamping and wedge-shaped structure loading principle in a manual operation mode, so that the high-frequency large-load loading test working condition of the steel strand is met, and the test success rate is improved; the main fixture body is connected with the upper connecting tool through threads, the main fixture body is connected with the lower connecting tool through threads, the limiting plate is fixed with the main fixture body through the anti-loose gasket and the locking screw, the steel strand sample is clamped and fixed at two ends through the clamp block preassembly component, the steel strand sample is integrally placed into the main fixture body, the locking nut is respectively connected with the upper connecting tool and the lower connecting tool through threads, the pre-tightening anti-loose purpose is achieved, the integral installation is realized, the wedge-shaped reinforcement structure is adopted, and the integral clamping of the sample is tighter through the axial tension effect in the test process, so that the clamping reliability of the sample is ensured; the sample is mounted in a hanging mode, so that labor saving efficiency is high, and the disassembly is convenient; the whole clamp is connected up and down by threads, in the axial drawing process of the sample, the self-adaptive centering of the upper clamping block part and the lower clamping block part can be realized, the lateral force and the torsion of the clamping part of the sample are reduced, and the success rate of the test is improved.
Drawings
Fig. 1 is an overall construction view of an apparatus of a preferred embodiment of a manual wedge clamp for high frequency fatigue testing of steel strands according to the present utility model.
Fig. 2 is a left side view of a preferred embodiment of a manual wedge clamp for high frequency fatigue testing of steel strands in accordance with the present utility model.
FIG. 3 is a pre-load clamp block assembly of a preferred embodiment of a manual wedge clamp for high frequency fatigue testing of steel strands in accordance with the present utility model.
Fig. 4 is a limiting plate of a preferred embodiment of a manual wedge clamp for high frequency fatigue testing of steel strands in accordance with the present utility model.
Fig. 5 is a locknut of a preferred embodiment of a manual wedge clamp for high frequency fatigue testing of steel strands in accordance with the present utility model.
In the figure: the device comprises a 1-upper connecting tool, a 2-main fixture body, a 3-clamp block preassembly component, 301-clamp blocks, 302-first locking screws, 303-guide pins, 304-second locking screws, 305-third locking screws, 306-fourth locking screws, 4-samples, 5-locking nuts, 6-lower connecting tools, 7-anti-loose gaskets, 8-fifth locking screws and 9-limiting plates.
Detailed Description
In order to make the technical solution of the present utility model more clear and obvious to those skilled in the art, the present utility model will be described in further detail with reference to examples and drawings, but the embodiments of the present utility model are not limited thereto.
As shown in fig. 1-5, the manual wedge-shaped clamp for the high-frequency fatigue test of the steel strand provided by the embodiment utilizes the pre-clamping and wedge-shaped structure loading principle to realize the reliable clamping of the steel strand sample, meets the high-frequency and large-load loading test working condition of the steel strand, and improves the test success rate; the steel strand sample 4 is clamped and fixed at two ends through the clamp block preassembly component 3, and is integrally placed in the main clamp body 2, and the lock nut 5 is respectively connected with the upper connecting tool 1 and the lower connecting tool 6 through threads, so that the purposes of pre-tightening and anti-loosening are achieved, and integral installation is realized;
the upper connecting tool 1 shown in fig. 3 is characterized in that clamping force is formed by pre-tightening the clamping blocks 301 through the locking screws 1302, 2304, 3305 and 4306, and the guiding pin 303 is connected with the clamping blocks 301 through screws, so that the matching relationship of the two clamping blocks ensures that the matching positions of the two clamping blocks are accurate;
the limiting plate 9 shown in fig. 4 ensures the radial assembly position of the clamp block preassembly assembly 3 and the main clamp body 2, and meets the requirement of clamp block installation centering;
the locking nut 5 and the screw thread of the main clamp body 2 shown in fig. 5 form a double-nut pre-tightening anti-loosening structure, so that the reliability of the integral installation is ensured;
the manual wedge-shaped clamp also comprises a wedge-shaped reinforcement structure, and in the test process, the whole clamp is tighter and tighter to the sample through the axial tension action, so that the clamping reliability of the sample is ensured; the sample is mounted in a hanging mode, so that labor saving efficiency is high, and the disassembly is convenient; the whole clamp is connected up and down by threads, in the axial drawing process of the sample, the self-adaptive centering of the upper clamping block part and the lower clamping block part can be realized, the lateral force and the torsion of the clamping part of the sample are reduced, and the success rate of the test is improved.
The above is merely a further embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art will be able to apply equivalents and modifications according to the technical solution and the concept of the present utility model within the scope of the present utility model disclosed in the present utility model.
Claims (6)
1. A manual wedge anchor clamps for steel strand wires high frequency fatigue test, its characterized in that: the fixture comprises a main fixture body (2), wherein the main fixture body (2) is connected with an upper connecting tool (1) through threads;
the main clamp body (2) is connected with the lower connecting tool (6) through threads;
the limiting plate (9) is fixed with the main clamp body (2) through the anti-loose gasket (7) and the locking screw (8).
2. The manual wedge clamp for high-frequency fatigue testing of steel strands according to claim 1, wherein: the upper connecting tool (1) is characterized in that clamping blocks (301) are pre-tightened through first locking screws (302), second locking screws (304), third locking screws (305) and fourth locking screws (306) to form clamping force, and are connected through screws;
the guide pin shaft (303) is connected with the clamping block (301) through threads.
3. A manual wedge clamp for high frequency fatigue testing of steel strands according to claim 2, wherein: and the limiting plate (9) limits the radial assembly position of the clamp block preassembly assembly (3) and the main clamp body (2).
4. A manual wedge clamp for high frequency fatigue testing of steel strands according to claim 3, wherein: the locking nut (5) and the thread of the main clamp body (2) form a double-nut pre-tightening anti-loosening structure.
5. The manual wedge clamp for high-frequency fatigue testing of steel strands according to claim 4, wherein: the locking nut (5) is respectively connected with the upper connecting tool (1) and the lower connecting tool (6) through threads.
6. The manual wedge clamp for high-frequency fatigue testing of steel strands according to claim 5, wherein: the steel strand test sample (4) is clamped and fixed at two ends through the clamp block preassembly assembly (3), and is integrally placed into the main clamp body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321602766.8U CN220419006U (en) | 2023-06-21 | 2023-06-21 | Manual wedge-shaped clamp for high-frequency fatigue test of steel strand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321602766.8U CN220419006U (en) | 2023-06-21 | 2023-06-21 | Manual wedge-shaped clamp for high-frequency fatigue test of steel strand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220419006U true CN220419006U (en) | 2024-01-30 |
Family
ID=89655972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321602766.8U Active CN220419006U (en) | 2023-06-21 | 2023-06-21 | Manual wedge-shaped clamp for high-frequency fatigue test of steel strand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220419006U (en) |
-
2023
- 2023-06-21 CN CN202321602766.8U patent/CN220419006U/en active Active
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