Metal tensile test device

Abstract

The utility model provides a metal tensile test device which comprises a base, a rack is arranged on the base, the rack is U-shaped, and a height-adjustable clamping and drawing assembly used for detecting the tensile property of a piece to be detected is arranged on the rack. According to the utility model, to-be-detected pieces with different heights can be clamped and fixed through the height-adjustable clamping and drawing assembly, the tensile property of the to-be-detected pieces can be conveniently and quickly detected by matching with a tensile test device, the adaptability is stronger, and the use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of tensile testing equipment, in particular to a metal tensile testing device. Background Art

[0002] Tensile test refers to a test method for measuring material properties under axial tensile load. The data obtained from the tensile test can be used to determine the material's elastic limit, elongation, elastic modulus, proportional limit, area reduction, tensile strength, yield point, yield strength and other tensile performance indicators. In material research, it is necessary to test the performance of new materials in real time, and tensile testing is usually a means of measuring material properties.

[0003] Although traditional metal tensile testing equipment can test the tensile properties of metal materials, it is usually unable to conveniently and quickly adjust the distance between the corresponding clamping and pulling components according to the height of the workpiece to be tested, resulting in poor applicability of the experimental device and inconvenience in use. Utility Model Content

[0004] In view of this, the utility model provides a metal tensile testing device, which can realize the clamping and fixing operations of various test pieces of different heights through a height-adjustable clamping and pulling component, and cooperate with the tensile testing device to realize convenient and rapid testing of the tensile properties of the test pieces, which has stronger adaptability and is more convenient to use.

[0005] In order to solve the above technical problems, the utility model provides a metal tensile testing device, including a base, a frame is arranged on the base, the frame is U-shaped, and a height-adjustable clamping and pulling assembly for testing the tensile performance of a test piece is arranged on the frame, guide rails are arranged on the left and right sides of the vertical part of the frame, a guide block is arranged in each guide rail, a fixed plate is arranged between the two guide blocks, there are two clamping and pulling assemblies, the clamping and pulling assemblies are respectively arranged at the lower part of the fixed plate and the upper part of the base, and the two clamping and pulling assemblies are located on the same vertical line, the clamping and pulling assembly includes a first telescopic push rod arranged at the lower part of the fixed plate, the output rod end of the first telescopic push rod is provided with a fixing sleeve for limiting the test piece, the output rod end of the first telescopic push rod passes through the upper part of the fixing sleeve, is located in the fixing sleeve and A pressure plate for pressing the fixed part of the inspected piece is provided at the end of the output rod of the first telescopic push rod. The utility model can realize the cooperation between the guide block and the guide rail to make the upper clamping and pulling assembly more stable and reliable when pulling the inspected piece upward, which greatly increases the stability of the detection device. The extension and retraction of the output rod of the first telescopic push rod can realize pushing the pressure plate downward to press the fixed part of the inspected piece, and the inspected piece to be detected can be taken out, which makes the detection of the tensile performance of the inspected piece to be detected more convenient and efficient. The utility model can realize the clamping and fixing operations of the inspected pieces of various heights through the height-adjustable clamping and pulling assembly, and realize convenient and rapid detection of the tensile performance of the inspected piece in cooperation with the tensile test device, which has stronger adaptability and is more convenient to use.

[0006] A second telescopic push rod is arranged on the upper part of the fixed plate. Both the first telescopic push rod and the second telescopic push rod are hydraulic telescopic rods. By extending and retracting the output rod of the second telescopic push rod, the upper clamping and pulling assembly can be pulled to pull the inspected piece upward, thereby realizing the stretching operation of the inspected piece.

[0007] The lower part of the base is provided with supporting legs, which are convenient for increasing the stability of the entire detection device.

[0008] In summary, compared with the prior art, the present application has at least one of the following beneficial technical effects:

[0009] 1. The utility model can realize the clamping and fixing operation of the to-be-tested pieces of various heights through the height-adjustable clamping and pulling assembly, and can realize the convenient and rapid detection operation of the tensile performance of the to-be-tested pieces in conjunction with the tensile testing device, which has stronger adaptability and is more convenient to use.

[0010] 2. The utility model can realize that the upper clamping and pulling assembly is more stable and reliable when pulling the inspected piece upward through the cooperation of the guide block and the guide rail, which greatly increases the stability of the detection device. The extension and retraction of the output rod of the first telescopic push rod can realize pushing the pressure plate downward to press the fixed part of the inspected piece, and taking out the inspected piece, which realizes the detection operation of the tensile performance of the inspected piece more conveniently and efficiently.

[0011] 3. By extending and retracting the output rod of the second telescopic push rod, the upper clamping and pulling assembly can be pulled to pull the workpiece to be tested upward, thereby achieving a stretching operation on the workpiece to be tested. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the metal tensile testing device of the utility model;

[0013] Figure 2 This is an enlarged view of the structure at A of the utility model;

[0014] Figure 3 It is a front view of the metal tensile testing device of the utility model.

[0015] Explanation of reference numerals: 100, base; 200, frame; 300, clamping and pulling assembly; 301, first telescopic push rod; 302, fixing sleeve; 303, pressing plate; 400, guide rail; 500, guide block; 600, fixing plate; 700, second telescopic push rod; 800, supporting leg. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-3 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0017] like Figure 1-3As shown: This embodiment provides a metal tensile testing device, including a base 100, on which a frame 200 is arranged, the frame 200 is U-shaped, and a height-adjustable clamping and pulling assembly 300 for testing the tensile properties of a test piece is arranged on the frame 200, and guide rails 400 are respectively arranged on the left and right sides of the vertical part of the frame 200, and a guide block 500 is arranged in each guide rail 400, and a fixed plate 600 is arranged between the two guide blocks 500, and there are two clamping and pulling assemblies 300, which are respectively arranged at the lower part of the fixed plate 600 and the upper part of the base 100, and the two clamping and pulling assemblies 300 are located on the same vertical line, and the clamping and pulling assembly 300 includes a first telescopic push rod 301 arranged at the lower part of the fixed plate 600, and the output rod end of the first telescopic push rod 301 is provided with a fixing sleeve 302 for limiting the position of the test piece, and the output rod end of the first telescopic push rod 301 The part passes through the upper part of the fixing sleeve 302, and a pressing plate 303 for pressing the fixed part of the inspected piece is arranged at the end of the output rod located in the fixing sleeve 302 and at the first telescopic push rod 301. The utility model can realize the cooperation between the guide block 500 and the guide rail to make the upper clamping and pulling assembly 300 more stable and reliable when pulling the inspected piece to be inspected upward, thereby greatly increasing the stability of the inspection device. The extension and retraction of the output rod of the first telescopic push rod 301 can realize pushing the pressing plate 303 downward to press the fixed part of the inspected piece, and taking out the inspected piece to be inspected, thereby realizing the inspection of the tensile properties of the inspected piece to be inspected more conveniently and efficiently. The utility model can realize the clamping and fixing operations of the inspected pieces of various heights through the height-adjustable clamping and pulling assembly 300, and realize convenient and rapid inspection of the tensile properties of the inspected piece to be inspected in cooperation with the tensile test device, thereby having stronger adaptability and being more convenient to use.

[0018] According to another embodiment of the present invention, Figure 1 and Figure 3 As shown, a second telescopic push rod 700 is provided on the upper part of the fixed plate 600, and the first telescopic push rod 301 and the second telescopic push rod 700 are both hydraulic telescopic rods. Through the extension and retraction of the output rod of the second telescopic push rod 700, the upper clamping and pulling assembly 300 can be pulled to pull the to-be-tested piece upward, thereby realizing the stretching operation of the to-be-tested piece.

[0019] The lower part of the base 100 is provided with a support leg 800, which is convenient for increasing the stability of the entire detection device.

[0020] The use of the utility model:

[0021] First of all, it should be made clear that the tensile test device involved in the utility model is mainly used for performing pull-out test on cylindrical metal parts with fixed ring grooves. The utility model takes a cylindrical iron column with a fixed ring groove as an example to explain its use method in detail. When it is necessary to test the tensile performance, first start the output rod of the first telescopic push rod 301 to retract to a suitable height, then clamp the fixed ring groove of the iron column in the fixed sleeve 302, then start the output rod of the second telescopic push rod 700 to extend to a position suitable for the height of the iron column, then start the output rods of the two first telescopic push rods 301 at the same time to extend to the pressing plate 303 to press the top and bottom of the iron column, then start the output rod of the second telescopic push rod 700 to pull the fixed plate 600 back, at this time, the data of the digital display on the experimental device can be observed to determine the various tensile data, the utility model can realize the clamping and fixing operation of various heights of the to-be-tested parts through the height-adjustable clamping and pulling assembly 300, and cooperate with the tensile test device to realize the convenient and rapid detection of the tensile performance of the to-be-tested parts, which has stronger adaptability and is more convenient to use.

[0022] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0023] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A metal tensile testing device, comprising a base (100), wherein a frame (200) is arranged on the base (100), characterized in that: The frame (200) is U-shaped, and is provided with a height-adjustable clamping and pulling assembly (300) for testing the tensile properties of the test piece. Guide rails (400) are respectively provided on the left and right sides of the vertical portion of the frame (200), and each of the guide rails ( 400) are provided with guide blocks (500), a fixing plate (600) is provided between the two guide blocks (500), the clamping and pulling assembly (300) comprises a first telescopic push rod (301) provided at the lower part of the fixing plate (600), a fixing sleeve (302) for limiting the position of the detected part is provided at the output rod end of the first telescopic push rod (301), the output rod end of the first telescopic push rod (301) passes through the upper part of the fixing sleeve (302), and a pressing plate (303) for pressing the fixed part of the detected part is provided at the output rod end located in the fixing sleeve (302) and located at the first telescopic push rod (301).

2. The metal tensile testing device according to claim 1, characterized in that: There are two clamping and pulling assemblies (300), which are respectively arranged at the lower part of the fixing plate (600) and the upper part of the base (100), and the two clamping and pulling assemblies (300) are located on the same vertical line.

3. The metal tensile testing device according to claim 2, characterized in that: A second telescopic push rod (700) is provided on the upper portion of the fixing plate (600).

4. The metal tensile testing device according to claim 3, characterized in that: The first telescopic push rod (301) and the second telescopic push rod (700) are both hydraulic telescopic rods.

5. The metal tensile testing device according to claim 4, characterized in that: The lower part of the base (100) is provided with supporting legs (800).

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