Z-direction material tensile test device and use method thereof

Abstract

The invention relates to the technical field of material tensile tests, in particular to a Z-direction material tensile test device which comprises a clamping device and a Z-direction material tensile sample. A sample groove structure is arranged in the clamping device; the end part of the Z-direction material tensile sample is arranged in the sample groove structure; a hinge assembly is arranged on one side of the clamping device; a buckle assembly and a locking assembly are arranged on the other side of the clamping device; the clamping device is connected in the universal testing machine upper chuck and the universal testing machine lower chuck; the clamping device is simple in structure, low in cost and easy to operate, the clamping device can be quickly opened or locked, tight closing of the clamping device can be guaranteed, dislocation or slippage of all parts of the clamping device can be prevented, it is guaranteed that the Z-direction material tensile sample is in a vertical centering state through the clamping device, detection time and cost are saved, and detection efficiency is improved. The accuracy of a detection result is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of material tensile test, in particular, the present application relates to a Z-direction material tensile test device. BACKGROUND

[0002] Z-direction material tensile test is the key test for detecting the mechanical properties of material perpendicular to the upper and lower two surfaces, that is, the thickness direction, which can detect the anti-layer tearing performance of material in the thickness direction, ensure the safety of material and evaluate the reliability of material; Z-direction material tensile test needs to make the material into a small dumbbell-shaped Z-direction material tensile sample, and needs to prepare a special Z-direction material tensile test device to test on a universal testing machine; the Z-direction material tensile test device on the market has a complex structure and is difficult to operate, and the parts of the device are prone to dislocation or sliding, which cannot ensure that the sample remains vertical and centered, resulting in low detection efficiency and inaccurate detection results.

[0003] The applicant found, through retrieval, that the atomic force microscope horizontal material tensile compression testing machine double-clamp type tensile clamp disclosed in Chinese patent document No. 201710245620.5 was published on August 29, 2017, which comprises a left clamp and a right clamp, and the left and right clamps are both composed of a base frame, a fixed circle, a clamp cover plate and a bolt. The rack is composed of a horizontal material tensile compression testing machine connecting mechanism, a horizontal material tensile compression testing machine fixing mechanism, a clamp extension mechanism, an atomic force microscope sample space extension mechanism and a clamp base, and the clamp base and the clamp cover plate fix the sample by clamping. The device can be made of metal materials or other hard material; the device cannot solve the above technical problems.

[0004] Therefore, in order to improve or solve at least one of the above problems, it is necessary to provide a Z-direction material tensile test device capable of stably fixing the Z-direction material tensile sample. SUMMARY

[0005] The purpose of the present application is to provide a Z-direction material tensile test device capable of stably fixing the Z-direction material tensile sample.

[0006] In order to solve the above technical problems, the technical scheme adopted by the present application is as follows: a Z-direction material tensile test device, comprising a clamping device and a Z-direction material tensile sample; a sample groove structure is arranged in the clamping device; the end of the Z-direction material tensile sample is arranged in the sample groove structure; a hinge assembly is arranged on one side of the clamping device; a buckle assembly and a locking assembly are arranged on the other side of the clamping device; the clamping device is connected between the upper chuck of the universal testing machine and the lower chuck of the universal testing machine.

[0007] The clamping device comprises a left column body and a right column body; the sample groove structure is arranged between the left column body and the right column body; the Z-direction material tensile sample comprises a clamping end; the clamping end is arranged in the sample groove structure.

[0008] One end of the left column body is provided with a left ring buckle, and the other end of the left column body is provided with a left stop block; one end of the right column body is provided with a right ring buckle, and the other end of the right column body is provided with a right stop block; the left ring buckle is in abutment with the right ring buckle; the left stop block is in abutment with the right stop block; the sample groove structure comprises a left sample groove and a right sample groove; the left sample groove is arranged between the left ring buckle and the left stop block; the right sample groove is arranged between the right ring buckle and the right stop block.

[0009] An installation hole is arranged between the left ring buckle and the right ring buckle; the Z-direction material tensile sample comprises a parallel length section; an arc surface is arranged at an end of the parallel length section close to the clamping end; the ends of the left ring buckle and the right ring buckle are both provided with a round corner; the clamping end is arranged in the left sample groove and the right sample groove; the parallel length section is arranged in the installation hole; the arc surface is in abutment with the round corner.

[0010] The buckle assembly comprises a first buckle slot and a second buckle slot; a first buckle is arranged in the first buckle slot; a second buckle is arranged in the second buckle slot.

[0011] The first buckle slot comprises a first left buckle slot and a first right buckle slot; the second buckle slot comprises a second left buckle slot and a second right buckle slot; the first buckle and the second buckle both comprise a buckle base and a buckle seat; a buckle ring is hinged on the buckle base, and the buckle ring is in clamping connection with the buckle seat; the first left buckle slot and the second left buckle slot are arranged on the left column body; the buckle seat is arranged in the first left buckle slot and the second left buckle slot; the first right buckle slot and the second right buckle slot are arranged on the right column body; the buckle base is arranged in the first right buckle slot and the second right buckle slot.

[0012] The locking assembly comprises a first fixing slot and a second fixing slot; the first fixing slot comprises a first left fixing slot and a first right fixing slot; the second fixing slot comprises a second left fixing slot and a second right fixing slot; the first left fixing slot and the second left fixing slot are arranged on the left column body; the first right fixing slot and the second right fixing slot are arranged on the right column body; a first fixing block is arranged in the first fixing slot; a first fixing bolt is arranged on the first fixing block; the first fixing bolt is connected in the first right fixing slot; a second fixing block is arranged in the second fixing slot; a second fixing bolt is arranged on the second fixing block; the second fixing bolt is connected in the second right fixing slot.

[0013] The hinge assembly comprises a first hinge slot and a second hinge slot; a first hinge is arranged in the first hinge slot; a second hinge is arranged in the second hinge slot; the first hinge slot comprises a first left hinge slot and a first right hinge slot; the second hinge slot comprises a second left hinge slot and a second right hinge slot; the first left hinge slot and the second left hinge slot are arranged on the right column body; and the first right hinge slot and the second right hinge slot are arranged on the left column body.

[0014] A method for using the Z-direction material tensile test device, comprising the following steps:

[0015] S1: installing the Z-direction material tensile sample in two clamping devices;

[0016] S2: locking the clamping devices through the buckle assembly and the locking assembly;

[0017] S3: connecting the clamping devices in the upper chuck of the universal testing machine and the lower chuck of the universal testing machine.

[0018] The S1 comprises:

[0019] S11: the two clamping devices are a group, the buckle ring is pushed away, the first buckle and the second buckle are opened, the clamping devices are placed horizontally on the test table, and the clamping ends of the Z-direction material tensile sample are placed in the sample groove structure of the clamping devices;

[0020] The S2 comprises:

[0021] S21: closing the clamping devices, pushing the buckle ring, locking the first buckle and the second buckle, installing the first fixed block in the first fixed groove, and installing the second fixed block in the second fixed groove;

[0022] The S3 comprises:

[0023] S31: the two clamping devices are respectively clamped by the upper chuck of the universal testing machine and the lower chuck of the universal testing machine, and the test is carried out.

[0024] The beneficial effects of the present application are:

[0025] The present application has the advantages of simple structure, low cost, simple operation, fast opening or locking of the clamping device, close closure, prevention of dislocation or sliding of the components of the clamping device, perpendicular centering of the Z-direction material tensile sample, saving of detection time and cost, and accuracy of the detection results. BRIEF DESCRIPTION OF DRAWINGS

[0026] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings, in which:

[0027] Figure 1Structure diagram of the buckle side of the clamping device of the present application.

[0028] Figure 2 Structure diagram of the hinge side of the clamping device of the present application.

[0029] Figure 3 Sectional view of the clamping device of the present application.

[0030] Figure 4 Sectional view of the clamping device of the present application containing the buckle and the hinge.

[0031] Figure 5 Structure diagram of the Z-direction material tensile specimen of the present application.

[0032] Figure 6 Working state diagram of the present application.

[0033] The marks in the above figures are as follows:

[0034] The marks in the figures are as follows: 1, clamping device, 101, left column body, 102, right column body, 103, left ring buckle, 104, right ring buckle, 105, left stop block, 106, right stop block, 107, left specimen groove, 108, right specimen groove, 109, first left buckle groove, 110, first right buckle groove, 111, second left buckle groove, 112, second right buckle groove, 113, first buckle groove, 114, second buckle groove, 115, first buckle, 116, second buckle, 117, first right hinge groove, 118, first left hinge groove, 119, second right hinge groove, 120, second left hinge groove, 121, first hinge groove, 122, second hinge groove, 123, first hinge, 124, second hinge, 125, buckle base, 126, buckle seat, 127, buckle ring, 128, first left fixing groove, 129, first right fixing groove, 130, second left fixing groove, 131, second right fixing groove, 132, first fixing groove, 133, second fixing groove, 134, first fixing block, 135, second fixing block, 136, first fixing bolt, 137, second fixing bolt;

[0035] 2, Z-direction material tensile specimen, 201, parallel length section, 202, curved surface, 203, clamping end;

[0036] 3, upper clamp of the universal testing machine,

[0037] 4, lower clamp of the universal testing machine. DETAILED DESCRIPTION

[0038] The specific embodiments of the present application are further described in detail below with the accompanying drawings and the description of the embodiments, which aims to help the skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solutions of the present application, and to help its implementation.

[0039] Figures 1-6 The Z-direction material tensile test device shown includes a clamping device 1 and a Z-direction material tensile sample 2; the clamping device 1 is provided with a sample groove structure; the end of the Z-direction material tensile sample 2 is arranged in the sample groove structure; the clamping device 1 is provided with a hinge assembly on one side; the clamping device 1 is provided with a buckle assembly and a locking assembly on the other side; and the clamping device 1 is connected in the upper chuck 3 and the lower chuck 4 of the universal testing machine.

[0040] The present application has the advantages of simple structure, low cost, simple operation, fast opening or locking of the clamping device 1, close closure, prevention of dislocation or sliding of the components of the clamping device 1, perpendicular centering of the Z-direction material tensile sample 2 by the clamping device 1, saving of detection time and cost, and accuracy of the detection results.

[0041] The clamping device 1 includes a left column body 101 and a right column body 102; the sample groove structure is arranged between the left column body 101 and the right column body 102; and the Z-direction material tensile sample 2 includes a clamping end 203; the clamping end 203 is arranged in the sample groove structure.

[0042] The left column body 101 is provided with a left ring buckle 103 at one end and a left stop block 105 at the other end; the right column body 102 is provided with a right ring buckle 104 at one end and a right stop block 106 at the other end; the left ring buckle 103 abuts against the right ring buckle 104; and the left stop block 105 abuts against the right stop block 106; the sample groove structure includes a left sample groove 107 and a right sample groove 108; the left sample groove 107 is arranged between the left ring buckle 103 and the left stop block 105; and the right sample groove 108 is arranged between the right ring buckle 104 and the right stop block 106.

[0043] The left column body 101, the left ring buckle 103 and the left block 105 are integrated and constitute the left half of the clamping device 1; the right column body 102, the right ring buckle 104 and the right block 106 are integrated and constitute the right half of the clamping device 1; the left column body 101 and the right column body 102 are symmetrical to each other, the left ring buckle 103 and the right ring buckle 104 are symmetrical to each other, and the left block 105 and the right block 106 are symmetrical to each other, and when combined, they form a hollow cylinder with a circular hole in the center of the bottom, which is used to clamp the Z-direction material tensile specimen 2; the left specimen groove 107 is arranged in the space surrounded by the left column body 101, the left ring buckle 103 and the left block 105, and the right specimen groove 108 is arranged in the space surrounded by the right column body 102, the right ring buckle 104 and the right block 106; the left specimen groove 107 and the right specimen groove 108 are symmetrical to each other, and when combined, they form a hollow cylindrical groove, the diameter of which is slightly larger than the outer diameter of the clamping end 203 of the Z-direction material tensile specimen 2, and the hollow cylindrical groove is used to install the clamping end 203 of the Z-direction material tensile specimen 2.

[0044] The installation hole is arranged between the left ring buckle 103 and the right ring buckle 104; the Z-direction material tensile specimen 2 comprises a parallel length section 201; the end of the parallel length section 201 close to the clamping end 203 is provided with an arc surface 202; the end of the left ring buckle 103 and the end of the right ring buckle 104 are both provided with a round corner; the clamping end 203 is arranged in the left specimen groove 107 and the right specimen groove 108; the parallel length section 201 is arranged in the installation hole; and the arc surface 202 is in abutment with the round corner.

[0045] The left ring buckle 103 is arranged at the lower part of the left column body 101, and the inner side of the left ring buckle 103 close to the contact angle section of the left specimen groove 107 is arc-shaped and matched with the arc surface 202 of the Z-direction material tensile specimen 2; the right ring buckle 104 is arranged at the lower part of the right column body 102, and the inner side of the right ring buckle 104 close to the contact angle section of the right specimen groove 108 is arc-shaped and matched with the arc surface 202 of the Z-direction material tensile specimen 2; the left ring buckle 103 and the right ring buckle 104 jointly form a circular ring with a hole, the inner diameter of the circular ring is slightly larger than the parallel length section 201 of the Z-direction material tensile specimen 2, the clamping end 203 of the Z-direction material tensile specimen 2 can be buckled to fix the Z-direction material tensile specimen 2; the left block 105 is arranged at the upper part of the left column body 101, the right block 106 is arranged at the upper part of the right column body 102, and the left block 105 and the right block 106 jointly form a cylinder, the Z-direction material tensile specimen 2 may be bounced out after being broken under the action of the test force, and the cylinder formed by the left block 105 and the right block 106 can prevent the broken specimen from bouncing out to hurt the operator or damage the testing machine, thereby eliminating the safety hazard.

[0046] The buckle assembly comprises a first buckle slot 113 and a second buckle slot 114; the first buckle slot 113 is provided with a first buckle 115; and the second buckle slot 114 is provided with a second buckle 116.

[0047] The first buckle slot 113 comprises a first left buckle slot 109 and a first right buckle slot 110; the second buckle slot 114 comprises a second left buckle slot 111 and a second right buckle slot 112; the first buckle 115 and the second buckle 116 each comprise a buckle base 125 and a buckle seat 126; the buckle base 125 is hingedly connected with a buckle ring 127, and the buckle ring 127 is clamped with the buckle seat 126;

[0048] The first left buckle slot 109 and the second left buckle slot 111 are arranged on the left column body 101; the buckle seat 126 is arranged in the first left buckle slot 109 and the second left buckle slot 111; the first right buckle slot 110 and the second right buckle slot 112 are arranged on the right column body 102; the buckle base 125 is arranged in the first right buckle slot 110 and the second right buckle slot 112.

[0049] The first left buckle slot 109 and the second left buckle slot 111 are each a groove, and are two symmetrical grooves arranged on the right side of the left column body 101; the first right buckle slot 110 and the second right buckle slot 112 are each a groove, and are two symmetrical grooves arranged on the left side of the right column body 102; the first left buckle slot 109 and the first right buckle slot 110 are mutually symmetrical, and jointly form the first buckle slot 113; the second right buckle slot 112 and the second left buckle slot 111 are mutually symmetrical, and jointly form the second buckle slot 114; the first buckle slot 113 and the second buckle slot 114 are symmetrically arranged with the horizontal center line of the clamping device 1 as the axis of symmetry;

[0050] The first buckle 115 is arranged in the first buckle slot 113, and the second buckle 116 is arranged in the second buckle slot 114; the first buckle 115 and the second buckle 116 are the same, and each comprise a buckle base 125, a buckle seat 126 and a buckle ring 127; one buckle base 125 is arranged in the first right buckle slot 110 and the second right buckle slot 112 respectively, and one buckle seat 126 is arranged in the first left buckle slot 109 and the second left buckle slot 111 respectively; the buckle ring 127 is arranged on the buckle base 125, and can rotate within a range of 180° around the buckle base 125, and is used for clamping the buckle base 125 and the buckle seat 126, locking the first buckle 115 and the second buckle 116, and thus locking the clamping device 1, and fixing the Z-direction material tensile sample 2 in the clamping device 1.

[0051] The locking assembly comprises a first fixing slot 132 and a second fixing slot 133; the first fixing slot 132 comprises a first left fixing slot 128 and a first right fixing slot 129; the second fixing slot 133 comprises a second left fixing slot 130 and a second right fixing slot 131; the first left fixing slot 128 and the second left fixing slot 130 are arranged on the left column body 101; the first right fixing slot 129 and the second right fixing slot 131 are arranged on the right column body 102;

[0052] The first fixed groove 132 is provided with a first fixed block 134; the first fixed block 134 is provided with a first fixed bolt 136; the first fixed bolt 136 is connected in the first right fixed groove 129; the second fixed groove 133 is provided with a second fixed block 135; the second fixed block 135 is provided with a second fixed bolt 137; the second fixed bolt 137 is connected in the second right fixed groove 131.

[0053] The first left fixed groove 128 and the second left fixed groove 130 are both grooves, and are two symmetrical grooves arranged on the right side of the left column body 101; the first right fixed groove 129 and the second right fixed groove 131 are both grooves, and are two symmetrical grooves arranged on the left side of the right column body 102; the first left fixed groove 128 and the first right fixed groove 129 are mutually symmetrical, and jointly form the first fixed groove 132; the second left fixed groove 130 and the second right fixed groove 131 are mutually symmetrical, and jointly form the second fixed groove 133; the first fixed groove 132 and the second fixed groove 133 are symmetrically arranged with the horizontal center line of the clamping device 1 as the axis of symmetry.

[0054] The first fixed block 134 is arranged in the first fixed groove 132 and closely fits the first fixed groove 132; the second fixed block 135 is arranged in the second fixed groove 133 and closely fits the second fixed groove 133; the first fixed bolt 136 fixes the first fixed block 134 in the first right fixed groove 129; the second fixed bolt 137 fixes the second fixed block 135 in the second right fixed groove 131.

[0055] The hinge assembly comprises a first hinge groove 121 and a second hinge groove 122; the first hinge groove 121 is provided with a first hinge 123; the second hinge groove 122 is provided with a second hinge 124.

[0056] The first hinge groove 121 comprises a first left hinge groove 118 and a first right hinge groove 117; the second hinge groove 122 comprises a second left hinge groove 120 and a second right hinge groove 119; the first left hinge groove 118 and the second left hinge groove 120 are arranged on the right column body 102; the first right hinge groove 117 and the second right hinge groove 119 are arranged on the left column body 101.

[0057] The first right hinge groove 117 and the second right hinge groove 119 are both grooves, and are two symmetrical grooves arranged on the left side of the other face of the left column body 101; the first left hinge groove 118 and the second left hinge groove 120 are both grooves, and are two symmetrical grooves arranged on the right side of the other face of the right column body 102; the first right hinge groove 117 and the first left hinge groove 118 are mutually symmetrical, and jointly form the first hinge groove 121; the second right hinge groove 119 and the second left hinge groove 120 are mutually symmetrical, and jointly form the second hinge groove 122; the first hinge groove 121 and the second hinge groove 122 are symmetrically arranged with the horizontal center line of the clamping device 1 as the axis of symmetry.

[0058] The first hinge 123 is arranged in the first hinge slot 121, and the second hinge 124 is arranged in the second hinge slot 122, so that the two symmetrical parts of the clamping device 1 can rotate along the axis formed by the first hinge 123 and the second hinge 124 to realize opening and closing.

[0059] The first buckle slot 113 and the second buckle slot 114 are arranged on the two sides of the clamping device 1, and the first buckle slot 113 and the second buckle slot 114 are arranged on the same side of the clamping device 1 as the first fixed slot 132 and the second fixed slot 133.

[0060] The first fixed slot 132, the first fixed block 134, and the first fixed bolt 136 form a whole, and the second fixed slot 133, the second fixed block 135, and the second fixed bolt 137 form a whole, which cooperate with the first buckle 115, the second buckle 116, the first hinge 123, and the second hinge 124 to firmly lock the clamping device 1, prevent the two symmetrical parts of the clamping device 1 from being misaligned or slipping, ensure that the Z-direction material tensile specimen 2 remains vertical and centered, and ensure the accuracy of the test results.

[0061] A method for using a Z-direction material tensile test device, comprising the following steps:

[0062] S1: installing the Z-direction material tensile specimen 2 in the two clamping devices 1;

[0063] S2: locking the clamping device 1 through the buckle assembly and the locking assembly;

[0064] S3: connecting the clamping device 1 in the upper chuck 3 and the lower chuck 4 of the universal testing machine.

[0065] S1 includes:

[0066] 1. Two clamping devices 1 form a group, the buckle ring 127 is pushed away, the first buckle 115 and the second buckle 116 are opened, and the two clamping devices 1 are placed horizontally on the test table.

[0067] 2. The clamping end 203 at one end of the Z-direction material tensile specimen 2 is placed in the left specimen slot 107 or the right specimen slot 108 of the clamping device 1, and the clamping end 203 at the other end is placed in the left specimen slot 107 or the right specimen slot 108 of the second clamping device 1.

[0068] S2 includes:

[0069] 3. Close the clamping device 1, pull the buckle ring 127, lock the first buckle 115 and the second buckle 116, at this time the first fixed groove 132, the first fixed block 134 and the first fixed bolt 136 form a whole, the second fixed groove 133, the second fixed block 135 and the second fixed bolt 137 form a whole, cooperate the first buckle 115, the second buckle 116, the first hinge 123 and the second hinge 124, firmly lock the clamping device 1, prevent the symmetrical two parts of the clamping device 1 from being dislocated or slipping, which can ensure that the clamping device 1 is closed tightly and the Z-direction material tensile sample 2 is kept vertical and centered, and ensure the accuracy of the test results.

[0070] S3 comprises:

[0071] 4. Use the universal testing machine upper clamp 3 and the universal testing machine lower clamp 4 to clamp two clamping devices 1 respectively, and perform the test.

[0072] 5. After the Z-direction material tensile test is completed, remove the clamping device 1, pull the buckle ring 127, open the first buckle 115 and the second buckle 116, take out the broken Z-direction material tensile sample 2, close the clamping device 1, pull the buckle ring 127, lock the first buckle 115 and the second buckle 116, and finally put the two clamping devices 1 into the storage box for storage.

[0073] The specific work flow of the application is as follows:

[0074] A use method of a Z-direction material tensile test device, comprising the following steps:

[0075] S1: Install the Z-direction material tensile sample 2 in the two clamping devices 1;

[0076] S2: Lock the clamping device 1 through the buckle assembly and the locking assembly;

[0077] S3: Connect the clamping device 1 in the universal testing machine upper clamp 3 and the universal testing machine lower clamp 4.

[0078] The application has been described above with reference to the drawings. Obviously, the specific implementation of the application is not limited to the above-mentioned manner. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the application, or the above-mentioned concept and technical scheme of the application are directly applied to other occasions without improvement, they are all within the protection scope of the application.

Claims

1. A Z-direction material tensile testing device, characterized by: The utility model provides a Z -direction material tensile test piece clamping device, including clamping device (1) and Z -direction material tensile test piece (2), the clamping device (1) is equipped with test piece groove structure, and the end of Z -direction material tensile test piece (2) is equipped in test piece groove structure, and the clamping device (1) one side is equipped with hinge assembly, and the clamping device (1) other side is equipped with buckle assembly and locking assembly, and the clamping device (1) is connected in universal testing machine upper clamp (3) and universal testing machine lower clamp (4).

2. A Z-direction material tensile test apparatus according to claim 1, wherein: The clamping device (1) includes a left cylinder (101) and a right cylinder (102), the test piece groove structure is arranged between the left cylinder (101) and the right cylinder (102), and the Z-direction material tensile test piece (2) includes a clamping end (203), and the clamping end (203) is arranged in the test piece groove structure.

3. A Z-direction material tensile test apparatus according to claim 2, wherein: The left cylinder (101) is provided with a left ring buckle (103) at one end and a left stop block (105) at the other end, the right cylinder (102) is provided with a right ring buckle (104) at one end and a right stop block (106) at the other end, the left ring buckle (103) is tightly arranged with the right ring buckle (104), the left stop block (105) is tightly arranged with the right stop block (106), the test piece groove structure includes a left test piece groove (107) and a right test piece groove (108), the left test piece groove (107) is arranged between the left ring buckle (103) and the left stop block (105), and the right test piece groove (108) is arranged between the right ring buckle (104) and the right stop block (106).

4. A Z-direction material tensile testing device according to claim 3, wherein: The left ring buckle (103) and the right ring buckle (104) are provided with a mounting hole therebetween, the Z-direction material tensile test piece (2) includes a parallel length section (201), the parallel length section (201) is provided with an arc surface (202) at an end close to the clamping end (203), the left ring buckle (103) and the right ring buckle (104) are provided with a rounded corner at an end thereof, the clamping end (203) is arranged in the left test piece groove (107) and the right test piece groove (108), the parallel length section (201) is arranged in the mounting hole, and the arc surface (202) is tightly arranged with the rounded corner.

5. A Z-direction material tensile test apparatus according to claim 4, wherein: The buckle assembly includes a first buckle slot (113) and a second buckle slot (114), the first buckle slot (113) is provided with a first buckle (115) therein, and the second buckle slot (114) is provided with a second buckle (116) therein.

6. A Z-direction material tensile test apparatus according to claim 5, wherein: The first buckle slot (113) comprises a first left buckle slot (109) and a first right buckle slot (110); the second buckle slot (114) comprises a second left buckle slot (111) and a second right buckle slot (112); the first buckle (115) and the second buckle (116) each comprise a buckle base (125) and a buckle socket (126); the buckle base (125) is hinged with a buckle ring (127), and the buckle ring (127) is clamped with the buckle socket (126); the first left buckle slot (109) and the second left buckle slot (111) are arranged on the left column body (101); the buckle socket (126) is arranged in the first left buckle slot (109) and the second left buckle slot (111); the first right buckle slot (110) and the second right buckle slot (112) are arranged on the right column body (102); and the buckle base (125) is arranged in the first right buckle slot (110) and the second right buckle slot (112).

7. A Z-direction material tensile test apparatus according to claim 6, wherein: The locking assembly comprises a first fixed slot (132) and a second fixed slot (133); the first fixed slot (132) comprises a first left fixed slot (128) and a first right fixed slot (129); the second fixed slot (133) comprises a second left fixed slot (130) and a second right fixed slot (131); the first left fixed slot (128) and the second left fixed slot (130) are arranged on the left column body (101); the first right fixed slot (129) and the second right fixed slot (131) are arranged on the right column body (102); a first fixed block (134) is arranged in the first fixed slot (132); a first fixed bolt (136) is arranged on the first fixed block (134); and the first fixed bolt (136) is connected in the first right fixed slot (129); a second fixed block (135) is arranged in the second fixed slot (133); a second fixed bolt (137) is arranged on the second fixed block (135); and the second fixed bolt (137) is connected in the second right fixed slot (131).

8. A Z-direction material tensile test apparatus according to claim 7, wherein: The hinge assembly comprises a first hinge slot (121) and a second hinge slot (122); a first hinge (123) is arranged in the first hinge slot (121); a second hinge (124) is arranged in the second hinge slot (122); the first hinge slot (121) comprises a first left hinge slot (118) and a first right hinge slot (117); the second hinge slot (122) comprises a second left hinge slot (120) and a second right hinge slot (119); the first left hinge slot (118) and the second left hinge slot (120) are arranged on the right column body (102); and the first right hinge slot (117) and the second right hinge slot (119) are arranged on the left column body (101).

9. A method of using the Z-direction material tensile test apparatus of any one of claims 1-8, characterized by: The method comprises the following steps: S1: installing a Z-direction material tensile specimen (2) in two clamping devices (1); S2: locking the clamping devices (1) through the buckle assembly and the locking assembly; S3: Connect the clamping device (1) in the upper clamp (3) and the lower clamp (4) of the universal testing machine.

10. The use method according to claim 9, characterized in that: S1 comprises: S11: Two clamping devices (1) are placed on the test table by opening the first buckle (115) and the second buckle (116) and pushing the buckle ring (127); the Z-direction material is placed in the sample groove structure of the clamping device (1); S2 comprises: S21: Close the clamping device (1), push the buckle ring (127), lock the first buckle (115) and the second buckle (116); install the first fixed block (134) in the first fixed groove (132); install the second fixed block (135) in the second fixed groove (133); S3 comprises: S31: Use the upper clamp (3) and the lower clamp (4) of the universal testing machine to clamp the two clamping devices (1) respectively and perform the test.

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