Material tension testing device

Abstract

The utility model discloses a material tension testing device, which relates to the technical field of tension testing devices and comprises a fixing seat, a testing plate is mounted outside the fixing seat, an adjusting component is mounted inside the testing plate, a fixing plate is mounted outside the adjusting component, a threaded rod is in threaded connection with the inside of the fixing plate, and a clamping groove is formed in the fixing plate. A clamping plate is rotatably connected to the outer surface of the threaded rod, a first limiting rod is fixedly connected to the interior of the fixing plate, a first moving plate is slidably connected to the outer surface of the first limiting rod, and through cooperation of the first moving plate, a second moving plate and a second spring, the clamping plate is clamped in the first moving plate; when a sample is fixed on the upper clamp, the sample is in contact with the first moving plate and the second moving plate to ensure that the sample is vertically connected with the interior of the upper clamp, the position of the second moving plate can be adjusted through cooperation of a second spring, and the position of the second moving plate can be adjusted according to the thicknesses of different samples; the function of conveniently adjusting the perpendicularity of the sample is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of tension testing devices, in particular to a material tension testing device. Background Art

[0002] The material tensile testing device is a type of testing device that can be used in materials science and engineering teaching. When in use, the tensile testing device can be used to perform tensile tests on various samples and specimens through the measuring system and driving system inside the tensile testing device, and the mechanical properties of the materials can be tested.

[0003] Upper and lower fixing clamps are installed inside the tensile testing device. When performing a tensile test, the sample needs to be placed inside the upper clamp first. When fixing, it is necessary to ensure that the sample and the upper clamp are in a vertical state. The sample needs to be placed inside the upper clamp first and slowly control the sample to move to the position of the lower clamp and then fix the two ends. It is very troublesome to adjust the verticality of the sample. For this reason, we provide a material tensile testing device to solve the above problems. Utility Model Content

[0004] 1) Technical issues solved

[0005] The purpose of the utility model is to make up for the deficiencies of the prior art and to provide a material tensile testing device.

[0006] 2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a material tensile testing device, comprising a fixed seat, a test plate is installed on the outside of the fixed seat, an adjustment assembly is installed on the inside of the test plate, a fixed plate is installed on the outside of the adjustment assembly, the internal thread of the fixed plate is connected to a threaded rod, the outer surface of the threaded rod is rotatably connected to a clamping plate, the inside of the fixed plate is fixedly connected to a limit rod 1, the outer surface of the limit rod 1 is slidably connected to a movable plate 1, the outer side of the limit rod 1 located between the fixed plate and the movable plate 1 is sleeved with a spring 1, the inside of the movable plate 1 is slidably connected to a movable plate 2, and the outer surface of the movable plate 2 is fixedly connected to a spring 2.

[0008] Furthermore, the outer surface of the fixed plate is slidably connected to the outer surface of the test plate, the outer surface of the clamping plate is slidably connected to the inside of the fixed plate, and the outer surface of the clamping plate is slidably connected to the outer surface of the second movable plate.

[0009] Furthermore, one end of the spring one is fixedly connected to the outer surface of the movable plate one, the other end of the spring one is fixedly connected to the inside of the fixed plate, and the outer surface of the movable plate one is slidably connected to the inner wall of the fixed plate.

[0010] Furthermore, a slide groove is provided inside the movable plate 2, and the inside of the slide groove is slidably connected to a limiting rod 2, and the outer surface of the limiting rod 2 is fixedly connected to the inside of the movable plate 2. The limiting rod 2 is provided with two groups and is symmetrically arranged.

[0011] Furthermore, the spring is sleeved on the outside of the limiting rod 2 between the moving plate 1 and the moving plate 2, and the other end of the spring 2 is fixedly connected to the inner wall of the moving plate 1.

[0012] Furthermore, a controller is installed on the outside of the fixed plate, a mounting plate is installed on the outside of the controller, a telescopic plate is slidably connected inside the mounting plate, the telescopic plates are provided in multiple groups, and an adjustment seat is installed at the bottom of the fixed seat.

[0013] Furthermore, a first magnet is installed on the outside of the fixed plate, and a second magnet is installed on the outside of the telescopic plate, and the first magnet and the second magnet can be attracted to each other.

[0014] III) Beneficial effects

[0015] Compared with the prior art, the material tensile testing device has the following beneficial effects:

[0016] 1. The utility model can ensure the vertical connection between the sample and the inside of the upper clamp through the cooperation between the movable plate 1, the movable plate 2 and the spring 2 when the sample is fixed on the upper clamp, through the contact between the sample and the movable plate 1 and the movable plate 2, so that the staff can easily install it vertically. The position of the movable plate 2 can be adjusted through the cooperation of the spring 2, and the position of the movable plate 2 can be adjusted according to the thickness of different samples. Under the movement and push of the clamp, the movable plate 2 can be controlled to enter the inside of the movable plate 1, so as to avoid affecting the clamping of the sample, ensure the stability of the connection between the fixed plate, the clamp and the sample, and realize the function of conveniently adjusting the verticality of the sample.

[0017] 2. The utility model provides components such as a mounting plate and a telescopic plate. When a sample is subjected to a tensile test, the telescopic plate can be controlled to move to shield the upper and lower fixed plates, thereby preventing the sample from breaking and splashing debris during stretching and causing damage to external personnel. When the telescopic plate is extended or retracted, the telescopic plate can be fixed by magnets one and two, and the front end of the telescopic plate can be fixed near the upper clamp, which is convenient for the staff to install and fix the sample. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the overall structure diagram of the utility model;

[0019] Figure 2 This is a structural diagram of the test board components of the utility model;

[0020] Figure 3It is a partial enlarged view A of the utility model;

[0021] Figure 4 This is a structural diagram of the fixed plate components of the utility model.

[0022] In the figure: 1. fixed seat; 2. test plate; 3. adjustment assembly; 4. fixed plate; 5. threaded rod; 6. clamping plate; 7. limit rod 1; 8. movable plate 1; 9. spring 1; 10. movable plate 2; 11. spring 2; 12. slide slot; 13. limit rod 2; 14. controller; 15. mounting plate; 16. telescopic plate; 17. adjustment seat; 18. magnet 1; 19. magnet 2. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 1 - Figure 4 As shown, the utility model provides a technical solution: a material tensile testing device, including a fixed seat 1, an adjusting seat 17 is installed at the bottom of the fixed seat 1, and the horizontal height of the fixed seat 1 can be adjusted by the adjusting seat 17, which is convenient for the user to adjust the fixed seat 1 according to needs, and a test plate 2 is installed on the outside of the fixed seat 1, and a scale and other components are installed on the outside of the test plate 2, which is convenient for understanding experimental parameters.

[0025] An adjusting component 3 is installed inside the test plate 2, and components such as a screw are installed inside the adjusting component 3. A fixing plate 4 is installed outside the adjusting component 3. The outer surface of the fixing plate 4 is slidably connected to the outer surface of the test plate 2. The position of the fixing plate 4 can be controlled by the adjusting component 3, which is convenient for teaching staff to conduct tensile experiments.

[0026] The internal thread of the fixed plate 4 is connected to a threaded rod 5, and the outer surface of the threaded rod 5 is rotatably connected to a clamping plate 6. The outer surface of the clamping plate 6 is slidably connected to the inside of the fixed plate 4. A rotating handle is installed on the outside of the threaded rod 5, and the position of the clamping plate 6 can be adjusted by rotating the handle. The sample can be clamped and fixed by the action of the clamping plate 6 and the fixed plate 4. A controller 14 is installed on the outside of the fixed plate 4, and relevant data can be understood and adjusted through the controller 14.

[0027] A mounting plate 15 is installed on the outside of the controller 14, and a telescopic plate 16 is slidably connected to the inside of the mounting plate 15. There are multiple groups of telescopic plates 16. When a tensile test is performed on the sample, the outside of the sample can be adjusted by the telescopic plates 16. At this time, the experimenter can move to the side covered by the telescopic plates 16 to avoid damage to external personnel caused by debris splashed by the sample when the tensile test is performed.

[0028] A magnet 18 is installed on the outside of the fixed plate 4, and a magnet 2 19 is installed on the outside of the telescopic plate 16. The magnet 18 and the magnet 2 19 can be attracted to each other. When the telescopic plate 16 is extended or retracted, the telescopic plate 16 can be fixed by the magnet 18 and the magnet 2 19. The front end of the telescopic plate 16 can be fixed near the upper clamp, which is convenient for the staff to install and fix the sample.

[0029] The fixed plate 4 is fixedly connected inside with a limiting rod 7, and the outer surface of the limiting rod 7 is slidably connected with a moving plate 8. The outer surface of the moving plate 8 is slidably connected to the inner wall of the fixed plate 4, and the outer surface of the clamping plate 6 is slidably connected to the outer surface of the moving plate 10. Through the cooperation between the fixed plate 4 and the limiting rod 7, the moving plate 8 can be controlled to move up and down stably. The limiting rod 7 is located between the fixed plate 4 and the moving plate 8 and is covered with a spring 9 on the outside. One end of the spring 9 is fixedly connected to the outer surface of the moving plate 8, and the other end of the spring 9 is fixedly connected to the inside of the fixed plate 4. The spring 9 can control the position of the moving plate 8.

[0030] The interior of the movable plate 18 is slidably connected to the movable plate 2 10, and a slide groove 12 is provided inside the movable plate 2 10. The interior of the slide groove 12 is slidably connected to the limiting rod 2 13. The outer surface of the limiting rod 2 13 is fixedly connected to the interior of the movable plate 2 10. Two groups of limiting rods 13 are provided and are symmetrically arranged. The movable plate 2 10 can be controlled to move left and right through the cooperation between the limiting rod 2 13 and the movable plate 1 8. The auxiliary sample can be fixed through the cooperation between the movable plate 2 10 and the movable plate 1 8. When the sample is installed, the contact between the movable plate 2 10 and the sample can be used to ensure that the sample and the fixed plate 4 are in a vertical state, and the sample can be quickly adjusted vertically.

[0031] A spring 21 is fixedly connected to the outer surface of the movable plate 10, and the spring is sleeved on the outside of the limit rod 13 located between the movable plate 18 and the movable plate 10. The other end of the spring 211 is fixedly connected to the inner wall of the movable plate 8. Under the action of the spring 211, the movable plate 10 can move elastically and can adapt to samples of different thicknesses for vertical clamping adjustment. Under the movement and push of the clamp, the movable plate 10 can be controlled to enter the interior of the movable plate 8 to avoid affecting the clamping of the sample and ensure the stability of the connection between the fixed plate 4, the clamping plate 6 and the sample.

[0032] Working principle: when in use, the threaded rod 5 can be controlled to rotate to adjust the position of the clamping plate 6, and the sample can be adjusted by the cooperation of the movable plate 1 8 and the movable plate 2 10. When the top of the sample contacts the movable plate 2 10, the fixed plate 4 and the sample are in a vertical state. Continuing to move the clamping plate 6 can fix the sample with the clamping plate 6. During the clamping process of the sample, the movable plate 2 10 can be elastically moved under the action of the spring 2 11, which is convenient for adapting to samples of different thicknesses. The movable plate 1 8 can be moved up and down and automatically reset by the control of the spring 1 9. When the sample is subjected to a tensile test, the telescopic plate 16 can be controlled to move to cover the sample and protect outsiders. The position of the telescopic plate 16 can be fixed by the cooperation of the magnet 1 18 and the magnet 2 19, and the telescopic plate 16 can be fixed to facilitate the installation of the sample by the experimenter.

Claims

1. A material tensile testing device, comprising a fixing seat (1), characterized in that: A test plate (2) is installed on the outside of the fixing seat (1), an adjustment assembly (3) is installed on the inside of the test plate (2), a fixing plate (4) is installed on the outside of the adjustment assembly (3), a threaded rod (5) is connected to the inside of the fixing plate (4), a clamping plate (6) is rotatably connected to the outer surface of the threaded rod (5), a limiting rod (7) is fixedly connected to the inside of the fixing plate (4), a movable plate (8) is slidably connected to the outer surface of the limiting rod (7), a spring (9) is sleeved on the outside of the limiting rod (7) located between the fixing plate (4) and the movable plate (8), a movable plate (10) is slidably connected to the inside of the movable plate (8), and a spring (11) is fixedly connected to the outer surface of the movable plate (10).

2. A material tensile testing device according to claim 1, characterized in that: The outer surface of the fixed plate (4) is slidably connected to the outer surface of the test plate (2), the outer surface of the clamping plate (6) is slidably connected to the inside of the fixed plate (4), and the outer surface of the clamping plate (6) is slidably connected to the outer surface of the second movable plate (10).

3. A material tensile testing device according to claim 1, characterized in that: One end of the spring one (9) is fixedly connected to the outer surface of the movable plate one (8), the other end of the spring one (9) is fixedly connected to the inside of the fixed plate (4), and the outer surface of the movable plate one (8) is slidably connected to the inner wall of the fixed plate (4).

4. A material tensile testing device according to claim 1, characterized in that: A slide groove (12) is provided inside the movable plate (10), and the interior of the slide groove (12) is slidably connected to a limiting rod (13), and the outer surface of the limiting rod (13) is fixedly connected to the interior of the movable plate (10). The limiting rod (13) is provided in two groups and is symmetrically arranged.

5. A material tensile testing device according to claim 1, characterized in that: The spring sleeve is located outside the limiting rod 2 (13) between the moving plate 1 (8) and the moving plate 2 (10), and the other end of the spring 2 (11) is fixedly connected to the inner wall of the moving plate 1 (8).

6. A material tensile testing device according to claim 1, characterized in that: A controller (14) is installed on the outside of the fixed plate (4), a mounting plate (15) is installed on the outside of the controller (14), a telescopic plate (16) is slidably connected inside the mounting plate (15), and a plurality of groups of telescopic plates (16) are provided. An adjustment seat (17) is installed on the bottom of the fixed seat (1).

7. A material tensile testing device according to claim 6, characterized in that: A first magnet (18) is installed on the outside of the fixed plate (4), and a second magnet (19) is installed on the outside of the telescopic plate (16). The first magnet (18) and the second magnet (19) can be attracted to each other.

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