Universal testing machine and tensile sample clamp thereof

Abstract

The utility model discloses a universal testing machine and a tensile sample clamp thereof. The tensile sample clamp comprises a base, and at least two mounting grooves are formed in the same side of the base at intervals; a clamp block is detachably arranged in each mounting groove, each clamp block comprises a fixing block, and a clamping groove is formed in the end, away from the base, of each fixing block; the mounting grooves comprise the first mounting groove and the second mounting groove, the clamp blocks comprise the first clamp block and the second clamp block, and the clamping grooves of the first clamp block and the second clamp block are different in shape. By means of the first clamp block and the second clamp block which are detachably arranged and provided with different clamping grooves, experiments of two types of samples can be achieved at the same time, the experiment efficiency is improved, the needed clamp blocks can be detached and replaced according to actual conditions and needs, and high flexibility is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tensile specimen fixture technical field, especially relates to universal testing machine and its tensile specimen fixture. BACKGROUND

[0002] Metal material tensile test is just the specimen is clamped between the lower clamp of universal testing machine, under the action of tensile force, the specimen is stretched, deformed until the process of fracture.

[0003] The prior art patent application file with the announcement number CN221667450U discloses a kind of steel plate tensile specimen fixture, the clamping mode of original specimen steel plate is changed to the mode of being clamped by positioning cavity, prolongs the life of test fixture, reduces test cost.

[0004] The above prior art still has the following defects: since the specimen fixture base body and clamping part are integral, it is only suitable for one type of specimen matched with the positioning cavity, and only one specimen can be tested at a time, the test efficiency is not high. UTILITY MODEL CONTENTS

[0005] The utility model discloses in view of the prior art problem, propose the following technical scheme:

[0006] The utility model provides tensile specimen fixture, include:

[0007] The same side of base is provided with at least two mounting grooves,

[0008] The mounting groove is detachably provided with a clamp block, the clamp block includes a fixed block, and the end of the fixed block away from the base is provided with a clamping groove.

[0009] The mounting groove includes mounting groove one and mounting groove two, and the clamp block includes clamp block one and clamp block two, wherein the clamping groove shapes of clamp block one and clamp block two are different.

[0010] As a preferred embodiment of the above technical scheme, the two sides of the mounting groove are symmetrically provided with a limiting groove, and a limiting block is arranged on the clamp block corresponding to the position of the limiting groove, an installation hole one is formed in the limiting block, a installation hole two coaxial with the installation hole one is arranged in the limiting groove corresponding to the position of the installation hole one, and a bolt is movably inserted in the installation hole one and the installation hole two to lock the clamp block and the base.

[0011] As a preferred embodiment of the above technical scheme, the clamping groove of the clamp block one includes groove one and groove two, and the groove one and the groove two are connected by a circular arc surface.

[0012] As a preferred embodiment of the above technical scheme, the clamping groove of the clamp block two is a screw groove.

[0013] The utility model provides a universal testing machine, including the tensile sample clamp of using above arbitrary one.

[0014] The utility model discloses the beneficial effect that:

[0015] The utility model discloses through detachable setting and the clamp groove different clamp block no. 1 and clamp block no. 2 can realize two types of sample experiment simultaneously, improve experimental efficiency, and can according to actual condition, as needed, detach and replace the required clamp block, have greater flexibility, such as simultaneously installing two clamp block no. 1 or two clamp block no. 2, can realize single type sample multiple experiments, and such as clamp block no. 1 and clamp block no. 2 install one, can realize two types of sample simultaneous experiment, in addition when clamp block no. 1 and clamp block no. 2 produce abrasion, can be replaced individually, need not replace the base. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It shows the overall schematic diagram of the tensile sample clamp in the embodiment.

[0017] Figure 2 It shows the schematic diagram of the clamp block no. 1 in the embodiment.

[0018] Figure 3 It shows the schematic diagram of the clamp block no. 1 in the embodiment.

[0019] The drawing figure shows that: 10, base, 11, installation groove no. 1, 12, installation groove no. 2, 13, limit slot, 21, clamp block no. 1, 22, clamp block no. 2, 23, fixed block, 24, limit block, 25, installation hole, 31, recess no. 1, 32, circular arc surface, 33, recess no. 2, 34, screw groove. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the utility model technical scheme will be described clearly and completely below with examples.

[0021] Embodiment

[0022] As Figure 1 , Figure 2 , Figure 3 Indicated, Figure 1 It shows the overall schematic diagram of the tensile sample clamp in the embodiment. Figure 2 It shows the schematic diagram of the clamp block no. 1 in the embodiment. Figure 3 It shows the schematic diagram of the clamp block no. 1 in the embodiment.

[0023] The device comprises:

[0024] The base 10 is provided with at least two installation grooves on the same side.

[0025] The mounting groove is detachably provided with a clamp block, the clamp block comprises a fixed block 23, and the fixed block 23 is provided with a clamping groove at an end away from the base 10, wherein the mounting groove is provided with the clamp block with the same clamping groove shape or the clamp block with different clamping groove shapes.

[0026] The mounting groove comprises a mounting groove one 11 and a mounting groove two 12, and the clamp block comprises a clamp block one 21 and a clamp block two 22, wherein the clamp block one 21 and the clamp block two 22 are different in the clamping groove shape.

[0027] Specifically, the base 10 is provided with four, and each pair is used in cooperation, and the materials of the base 10 and the clamp block part are made of high-carbon high-alloy steel; the mounting groove is matched with the shape of the clamp block, and the clamp block is detachably embedded in the mounting groove.

[0028] In actual application, the clamp block is respectively installed in the mounting groove of the base 10, and the combined base 10 is installed on the universal testing machine, and then the corresponding sample is placed in the clamping groove of the corresponding clamp block, and finally the hydraulic switch of the testing machine is pressed to clamp the sample, and then the test can be performed.

[0029] Through the detachable clamp block one 21 and the clamp block two 22 with different clamping grooves, two types of sample experiments can be realized at the same time, the experimental efficiency is improved, and the clamp block can be detached and replaced as needed according to the actual situation, which has great flexibility; for example, two clamp block ones 21 or two clamp block twos 22 are installed at the same time, and multiple experiments of a single type of sample can be realized; for example, one clamp block one 21 and one clamp block two 22 are installed, and simultaneous experiments of two types of samples can be realized.

[0030] Meanwhile, when the clamp block one 21 and the clamp block two 22 are worn, they can be replaced separately without replacing the base 10.

[0031] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 1 Fig. 1 shows the overall schematic diagram of the tensile sample clamp in the embodiment; Figure 2 Fig. 2 shows the schematic diagram of the clamp block one in the embodiment; Figure 3 Fig. 3 shows the schematic diagram of the clamp block two in the embodiment;

[0032] The two sides of the mounting groove are symmetrically provided with limiting grooves 13, the positions corresponding to the limiting grooves 13 on the clamp block are provided with limiting blocks 24, and the limiting blocks 24 are provided with mounting holes one 25; the positions corresponding to the mounting holes one 25 in the limiting grooves 13 are provided with mounting holes two coaxial with the mounting holes one 25, and bolts are movably inserted in the mounting holes one 25 and the mounting holes two to lock the clamp block and the base 10.

[0033] The detachable installation of the clamp block is realized through the limiting groove 13 arranged on the base 10, the limiting block 24 on the clamp block and the bolt, and the matching of the limiting groove 13 and the limiting block 24 can limit and quickly position the clamp block when installed.

[0034] The clamping groove of the clamp block one 21 comprises a groove one 31 and a groove two 33, and the groove one 31 and the groove two 33 are connected through the arranged arc surface 32.

[0035] The clamping groove of the clamp block two 22 is a screw thread groove 34.

[0036] Specifically, the sample object suitable for the clamp block one 21 is a steel plate matched with the shape of the groove one 31 and the groove two 33, and the clamp block one 21 has good centering through the arranged arc surface 32, which maximally ensures that the sample axis and the tension axis coincide. The sample object of the clamp block two 22 is a threaded rib steel sample.

[0037] Working principle: when the device is used, the clamp blocks are respectively installed into the installation grooves of the base 10, the combined base 10 is installed on the universal testing machine, the corresponding sample is placed into the clamping groove of the corresponding clamp block, and finally the hydraulic switch of the testing machine is pressed to test after the sample is clamped.

[0038] In addition, the application also discloses a universal testing machine, which comprises the tensile sample clamp, and the tensile sample clamp is the tensile sample clamp disclosed in any one of the above embodiments, so that the universal testing machine with the tensile sample clamp also has all the technical effects described above, which will not be repeated here.

[0039] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit it.

Claims

1. Tensile specimen fixture, characterized in that, include: A base (10), wherein at least two mounting grooves are spaced apart on the same side of the base (10); A clamp block is detachably provided in each of the mounting grooves, and the clamp block comprises a fixing block (23), and a clamping groove is provided at one end of the fixing block (23) away from the base (10); The mounting groove includes mounting groove one (11) and mounting groove two (12), and the clamp block includes clamp block one (21) and clamp block two (22), wherein the clamp groove shapes of clamp block one (21) and clamp block two (22) are different.

2. The tensile specimen fixture according to claim 1, characterized in that: Limiting grooves (13) are symmetrically arranged on both sides of the mounting groove, and limiting blocks (24) are arranged at positions corresponding to the limiting grooves (13) on the clamp block, and a mounting hole 1 (25) is opened on the limiting block (24), and a mounting hole 2 coaxial with the mounting hole 1 (25) is arranged at a position corresponding to the mounting hole 1 (25) in the limiting groove (13), and bolts are movably inserted in the mounting hole 1 (25) and the mounting hole 2 to lock the clamp block and the base (10).

3. The tensile specimen fixture according to claim 1, characterized in that: The clamping groove of the clamp block 1 (21) includes a groove 1 (31) and a groove 2 (33), and the groove 1 (31) and the groove 2 (33) are connected through an arc surface (32).

4. The tensile specimen fixture according to claim 1, characterized in that: The clamping groove of the second clamping block (22) is a screw thread groove (34).

5. Universal testing machine, characterized in that, A tensile specimen fixture according to any one of claims 1 to 4 is used.

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