Steel fiber stretching device
By using pins and counterscrews to connect the clamping block and auxiliary clamping block in the steel fiber tensile device, combined with anti-slip teeth and locking screws, the problem of unstable clamping in existing devices is solved, and high-precision and high-stability steel fiber tensile testing is achieved.
Patent Information
- Application Number
- CN202520057066.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-10
AI Technical Summary
Existing steel fiber tensioning devices have complex structures, are inconvenient to operate, and have unstable clamping effects, which can easily lead to slippage or detachment, resulting in inaccurate test results.
The clamping block and auxiliary clamping block are connected by pins, and the clamping block is reversed by a counter-screw to hold the steel fiber sample. The anti-slip teeth and locking screws enhance the clamping reliability. The auxiliary clamping block and connecting components are integrally formed by machining.
It improves the accuracy and stability of steel fiber tensile testing, ensuring the accuracy of test results, while also having the advantages of simple structure, easy installation, and simple operation.
Smart Images
Figure CN223784064U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of steel fiber performance tensile test, specifically relates to a steel fiber tensile device. BACKGROUND
[0002] Steel fiber refers to the fiber with the length-diameter ratio (the ratio of fiber length to its diameter, when the fiber cross section is non-circular, the diameter of the equivalent cross section circle area is adopted) of 40-80 made by cutting thin steel wire, cold-rolled strip shearing, steel ingot milling or molten steel rapid condensation. Although steel fiber has appeared for a short time, its application is more and more extensive, and the types are more and more various. The steel fibers produced by different preparation methods have different performances, so the performance of different steel fibers needs to be tested.
[0003] The existing steel fiber tensile device for testing the performance of steel fiber has a complex structure, is inconvenient to operate, and has unstable clamping effect, so that slipping or even sliding off occurs in the test process, and the test result is invalid. UTILITY MODEL CONTENTS
[0004] According to the defects of the prior art, the utility model connects the clamping block and the auxiliary clamping block by inserting the plug pin in the side hole, and clamps the steel fiber sample by the clamping block and the auxiliary clamping block clamped by the reverse top screw, so as to ensure the clamping of the steel fiber sample, thereby improving the precision and stability of the steel fiber tensile test, and the accuracy of the steel fiber tensile test result is ensured, and the utility model has the advantages of simple structure, easy installation, convenient operation and strong practicability.
[0005] The utility model discloses a steel fiber tensile device, including two opposite clamping head assemblies, the clamping head assembly includes clamping block, connecting component, auxiliary clamping block, the connecting component includes connecting stick and connecting circular table, one end middle part of connecting circular table is connected with connecting stick, the other end of connecting circular table is connected with auxiliary clamping block, auxiliary clamping block is wrapped from both sides clamping block, clamping block with Auxiliary clamping block all are equipped with side hole, and the side hole of clamping block and auxiliary clamping block is interpenetration, the plug pin is inserted in the side hole of clamping block and auxiliary clamping block and makes clamping block with Auxiliary clamping block connects, the one end of clamping block is inserted with reverse top screw close connecting component, the reverse top screw can reverse top clamping block and make clamping block with Auxiliary clamping block clamp steel fiber sample.
[0006] Further, the clamping surface of the clamping block and the auxiliary clamping block for clamping the steel fiber sample is provided with anti-skid teeth.
[0007] Further, the auxiliary clamping block is provided with a locking screw, and the locking screw is connected with the plug pin from the side of the plug pin to lock the plug pin.
[0008] Further, the auxiliary clamp block and the connecting assembly are integrally formed by machining.
[0009] Further, the connecting rod is provided with a test machine connecting pin hole penetrating one end away from the auxiliary clamp block.
[0010] The utility model has the beneficial effects that:
[0011] The utility model discloses a kind of steel fiber tensile clamps, including connecting assembly, clamp block and auxiliary clamp block, the clamp block is wrapped from two sides to clamp block, and the side hole of mutual penetration is set in clamp block and the side section of auxiliary clamp block, to be connected clamp block and auxiliary clamp block by inserting bolt in side hole, while the reverse screw is connected on the side of clamp block close to connecting assembly, to make clamp block and auxiliary clamp block hold steel fiber sample by the reverse screw reverse top clamp block, so as to guarantee the clamping of steel fiber sample firm, so the utility model can improve the precision, stability of steel fiber tensile test, it is favorable to guarantee the accuracy of steel fiber tensile test result, and the utility model has the advantages of simple structure, easy to install, easy to operate, strong practicality. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a kind of steel fiber tensile clamp schematic diagram provided in the embodiment of the utility model;
[0013] Figure 2 It is a kind of steel fiber tensile clamp installation and when stretching steel fiber, elevation schematic diagram;
[0014] Figure 3 It is the schematic diagram of clamp block in a kind of steel fiber tensile clamp provided in the embodiment of the utility model;
[0015] Figure 4 It is the schematic diagram of connecting assembly and auxiliary clamp block in a kind of steel fiber tensile clamp provided in the embodiment of the utility model;
[0016] In the drawing: test machine connecting pin hole 1, connecting assembly 2, clamp block 3, bolt 4, locking screw 5, reverse screw 6, anti-skid tooth 7, auxiliary clamp block 8. DETAILED DESCRIPTION
[0017] To make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in conjunction with specific implementation manner.
[0018] In the description of the utility model, it needs to explain, the term "upper", "lower", "internal", "external" "front end", "rear end", "both ends", "one end", "the other end" and so on indicate the position relation or position relation based on the position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0019] In the description of the utility model, it needs to explain, unless otherwise specified and limited, the terms "installation", "provided with", "connection" and so on should be understood broadly, for example, "connection", can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0020] As Figures 1 to 2 The utility model discloses a steel fiber stretching device, including two opposite clamping head subassembly, clamping head subassembly includes clamp block 3, connecting assembly 2, auxiliary clamp 8, connecting assembly 2 includes connecting rod and connecting circular table, and the middle part of one end of connecting circular table is connected with connecting rod, and the other end of connecting circular table is connected with auxiliary clamp 8, and auxiliary clamp 8 is wrapped from both sides to clamp block 3, clamp block 3 and auxiliary clamp 8 are all equipped with side hole, and the side hole of clamp block 3 and auxiliary clamp 8 is mutually through, and the side hole of clamp block 3 and auxiliary clamp 8 is inserted with bolt 4 to make clamp block 3 connect with auxiliary clamp 8, and the one end of clamp block 3 close to connecting assembly 2 is inserted with reverse screw 6, and reverse screw 6 can reverse the top clamp block 3 to make clamp block 3 and auxiliary clamp 8 clamp steel fiber sample.
[0021] Specifically, as Figure 1 The utility model discloses a steel fiber stretching device, including two opposite clamping head subassembly, clamping head subassembly includes clamp block 3, connecting assembly 2, auxiliary clamp 8, connecting assembly 2 includes connecting rod and connecting circular table, and the middle part of one end of connecting circular table is connected with connecting rod, and the other end of connecting circular table is connected with auxiliary clamp 8, and auxiliary clamp 8 is wrapped from both sides to clamp block 3, clamp block 3 and auxiliary clamp 8 are all equipped with side hole, and the side hole of clamp block 3 and auxiliary clamp 8 is mutually through, and the side hole of clamp block 3 and auxiliary clamp 8 is inserted with bolt 4 to make clamp block 3 connect with auxiliary clamp 8, and the one end of clamp block 3 close to connecting assembly 2 is inserted with reverse screw 6, and reverse screw 6 can reverse the top clamp block 3 to make clamp block 3 and auxiliary clamp 8 clamp steel fiber sample.
[0022] As Figures 1 to 3As shown, the connecting rod top is connected with a connecting circular table, the connecting circular table is in the shape of a cylindrical plate, the upper part of the connecting circular table is fixedly connected with the auxiliary clamping block 8, the fixed connection mode can be welding or bolt connection. An arc-shaped groove can be arranged above the connecting circular table, and a gap is left between the clamping block 3 and the connecting circular table, and corresponding screw holes are arranged at the end of the clamping block 3 close to the connecting assembly 2 to insert the reverse screw 6.
[0023] By tightening the reverse screw 6 in the direction of deepening into the screw hole, that is, in the direction close to the auxiliary clamping block 8, the clamping block 3 can be close to the auxiliary clamping block 8, and the clamping block 3 and the auxiliary clamping block 8 can clamp the steel fiber sample placed therebetween. The reverse screw 6 can play a role of high-strength reinforcement to prevent loosening, and the principle is that reverse rotation will cause elastic deformation between the threads, increase the friction between the threads, and thus achieve the purpose of fastening.
[0024] In the embodiment, the auxiliary clamping block 8 wraps the clamping block 3 from both sides, and side holes are arranged on both sides of the clamping block 3 and the auxiliary clamping block 8 to connect the clamping block 3 and the auxiliary clamping block 8 by inserting the plug 4 into the side holes, and the reverse screw 6 is arranged on the side of the clamping block 3 close to the connecting circular table to clamp the steel fiber sample by clamping the clamping block 3 through the reverse screw 6, so as to ensure that the steel fiber sample is clamped firmly. Therefore, the utility model can improve the precision and stability of the steel fiber tensile test, and is beneficial to ensuring the accuracy of the steel fiber tensile test result. Meanwhile, the utility model has the advantages of simple structure, easy installation, simple operation, and strong practicability.
[0025] In an alternative embodiment, as shown in Figure 3 The clamping surface of the clamping block 3 and the auxiliary clamping block 8 for clamping the steel fiber sample is provided with anti-skid teeth 7.
[0026] Specifically, by arranging the anti-skid teeth 7, the situation that the steel fiber slips and separates during the steel fiber tensile test can be effectively prevented.
[0027] In an alternative embodiment, as shown in Figure 1 The auxiliary clamping block 8 is provided with a locking screw 5, and the locking screw 5 is connected with the plug 4 from the side of the plug 4 to lock the plug 4.
[0028] Specifically, one end of the extension part of the auxiliary clamping block 8 is provided with a screw hole, and the locking screw 5 is inserted into the screw hole to abut against the plug 4 from the side of the plug 4 to lock the plug 4, so as to prevent the plug 4 from falling off during the test, and thus ensure the connection and fastening between the clamping block 3 and the auxiliary clamping block 8, so as to avoid affecting the normal performance of the steel fiber tensile test.
[0029] In an alternative embodiment, the auxiliary clamping block 8 and the connecting assembly 2 are integrally formed by machining.
[0030] Specifically, in the embodiment, the auxiliary clamping block 8 and the connecting assembly 2 can be fixedly connected by machining the integral molding, and the integral machining setting can save the mounting and fixing steps between the two, so that the operation of the utility model is more convenient.
[0031] In an alternative embodiment, as shown in Figure 1 , Figure 2 , Figure 4 The end of the connecting rod away from the auxiliary clamping block 8 is provided with a penetrating testing machine connecting pin hole 1.
[0032] Specifically, the testing machine connecting pin hole 1 is a through hole, by setting the testing machine connecting pin hole 1 in the connecting rod of the two oppositely arranged clamping head assemblies away from each other, the clamping head assemblies can be conveniently connected with the steel fiber testing machine.
[0033] The installation process of the utility model:
[0034] The utility model needs to be installed before use, since the auxiliary clamping block 8 and the connecting assembly 2 are integrally made, no installation is needed, so when installing, first align the side holes of the clamping block 3 and the auxiliary clamping block 8, then align the side holes and insert the dowel pin 4, pass the dowel pin 4 through all the side holes and screw tightly, then lock the dowel pin 4 by inserting the locking screw 5 from the side of the dowel pin 4. Then install the reverse screw 6, the reverse screw 6 is inserted between the connecting circular table and the clamping block 3, and inserted into the screw hole arranged at the end of the clamping block 3, and then screwed by rotating. After completing the installation of the clamping head assembly, align the parts provided with the clamping block 3 of the two clamping head assemblies, then connect the steel fiber testing machine through the testing machine connecting pin hole 1, so as to complete the installation process. As can be seen, the structure of the utility model is relatively simple, so the installation operation is relatively simple.
[0035] The working process of the utility model:
[0036] The utility model discloses a steel fiber tensile test machine, including the test machine body, the two sides of test machine body are respectively provided with the two clamping head assemblies, the two clamping head assemblies are respectively provided with the two clamping blocks 3 and the auxiliary clamping block 8, the two clamping blocks 3 are provided with the two test machine connecting pin holes 1, and the auxiliary clamping block 8 is provided with the locking screw 5, the utility model discloses the two ends of steel fiber sample are placed between the clamping block 3 and auxiliary clamping block 8 of two clamping head assemblies respectively in use, first loosen the reverse screw 6, make the gap between clamping block 3 and auxiliary clamping block 8, then through the clamping block 3 and auxiliary clamping block 8 of two clamping head assemblies respectively clamping the two ends of steel fiber sample, then again tighten the reverse screw 6, through the reverse screw 6 reverse top effect of clamping block and make clamping block 3 and auxiliary clamping block 8 clamp steel fiber sample.
[0037] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A steel fiber drawing device characterized by, The utility model provides a kind of steel fiber test sample clamping device, including two oppositely arranged clamping head assemblies, the clamping head assembly includes clamp block (3), connecting assembly (2), auxiliary clamp block (8), the connecting assembly includes connecting rod and connecting circular table, the connecting circular table one end middle part is connected with the connecting rod, the connecting circular table other end is connected with the auxiliary clamp block (8), the auxiliary clamp block (8) is wrapped from two sides with the clamp block (3), the clamp block (3) and the auxiliary clamp block (8) are each equipped with side hole, and the side hole of the clamp block (3) and the auxiliary clamp block (8) is mutually through, the side hole of the clamp block (3) and the auxiliary clamp block (8) is inserted with bolt (4) to make the clamp block (3) with the auxiliary clamp block (8) connect, the clamp block (3) is inserted with reverse top screw (6) in one end close to the connecting assembly (2), the reverse top screw (6) can reverse top the clamp block (3) to make the clamp block (3) with the auxiliary clamp block (8) clamp steel fiber test sample.
2. A steel fiber drawing device according to claim 1, characterized in that The clamp block (3) and the auxiliary clamp block (8) are provided with anti-skid teeth (7) on the clamping surface for clamping steel fiber test sample.
3. A steel fiber drawing device according to claim 1, characterized in that The auxiliary clamp block (8) is provided with locking screw (5), and the locking screw (5) is connected with the bolt (4) from the side of the bolt (4) to lock the bolt (4).
4. A steel fiber drawing device according to claim 1, characterized in that, The auxiliary clamp block (8) and the connecting assembly (2) are integrally formed by machining.
5. A steel fiber drawing device according to claim 1, wherein The connecting rod is provided with a through test machine connecting pin hole (1) at one end away from the auxiliary clamp block (8).