Stress corrosion test kit with mechanical control function
By designing stress corrosion testing equipment with mechanical control function, using force sensors and fixing frames, the problem of inability to effectively control the test force in the existing technology is solved, and the accuracy of stress corrosion test results is improved.
Patent Information
- Application Number
- CN202421536043.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-07-02
AI Technical Summary
Existing stress corrosion testing equipment cannot effectively control the test force, resulting in the inability to accurately understand the relationship between the control force and the numerical value of the strain gauge, which in turn affects the accuracy of the test results.
A stress corrosion testing equipment with mechanical control function is designed, including the main frame and fixed sample assembly. By installing assembly bolts and fixing frames of the force sensor, different sizes of stress are applied to the sample, and the accuracy of the applied force is verified through stress testing.
It realizes effective control of the test force, accurately understands the numerical relationship between the control force and the strain meter, and improves the accuracy of the stress corrosion test results.
Smart Images
Figure CN222926523U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of stress corrosion testing, and particularly relates to a stress corrosion testing fixture with a mechanical control function. Background Art
[0002] At present, after the production and preparation of some specimens, stress corrosion testing is required. During the stress corrosion testing process, a testing fixture is needed. The testing fixture can be used to measure the specimen and observe the stress condition of the specimen. However, the existing problem is that the testing force cannot be effectively controlled, and thus the relationship between the control force and the value on the strain gauge cannot be accurately understood, resulting in inaccurate stress corrosion test results in the final test.
[0003] In summary, the utility model provides a stress corrosion testing fixture with a mechanical control function to solve the above problems. Summary of the Utility Model
[0004] In order to solve the above technical problems, the utility model provides a stress corrosion testing fixture with a mechanical control function to solve the problem that in the prior art, the testing force cannot be effectively controlled, and thus the relationship between the control force and the value on the strain gauge cannot be accurately understood, resulting in inaccurate stress corrosion test results in the final test.
[0005] A stress corrosion testing fixture with a mechanical control function includes a main body frame and a fixed specimen assembly. The fixed specimen assembly is installed on the main body frame. A fixed groove for placing the fixed specimen assembly is opened at the central part of the main body frame, and assembly holes communicating with the fixed groove are opened at the central parts of both ends of the main body frame;
[0006] The fixed specimen assembly is installed on the main body frame through a fixing member.
[0007] Preferably, the fixed specimen assembly includes two fixing frames, fixing bolts and nuts. The fixing frames are arranged in a U shape. The fixing bolts sequentially pass through the fixing frames and the specimen inside the fixing frames and are threadedly connected with the nuts.
[0008] Preferably, holes corresponding to the fixing frames are opened on the specimen.
[0009] Preferably, the fixing member includes an assembly bolt and a nut. The head of the assembly bolt sequentially passes through the fixing frame and the assembly hole and is connected with the nut.
[0010] Preferably, the assembly bolt sequentially passes through the fixing frame and the assembly hole and is threadedly connected with the nut.
[0011] Preferably, a force measuring sensor is installed on the assembly bolt.
[0012] Compared with the prior art, the utility model has the following beneficial effects: the utility model installs the specimen on the fixing frame and fixes it with bolts, then places the fixing frame in the main frame and fixes it with the assembly bolts with force sensors, and according to the number of fixing grooves arranged in the main frame, multiple specimens can be measured simultaneously, and different stress values can be applied to the specimens, and the accuracy of the applied force can be verified by means such as stress testing. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 is a schematic three-dimensional structure diagram of the utility model;
[0014] Figure 2 is a schematic three-dimensional structure diagram of the main frame of the utility model;
[0015] Figure 3 is a schematic front view structure diagram of the connection between the specimen and the fixing member of the utility model;
[0016] Figure 4 is a schematic side view structure diagram of the connection between the specimen and the fixing member of the utility model.
[0017] In the figure: 1, main frame; 2, fixing groove; 3, assembly hole; 4, fixing frame; 5, fixing bolt; 6, nut; 7, assembly bolt; 8, nut. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0018] The following further describes in detail the embodiments of the utility model in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.
[0019] As Figures 1-4 shown, the utility model provides a stress corrosion test fixture with a mechanical control function, including a main frame 1 and a fixed specimen assembly. The fixed specimen assembly is installed on the main frame 1. A fixing groove 2 for placing the fixed specimen assembly is provided at the central part of the main frame 1. Assembly holes 3 communicating with the fixing groove 2 are provided at the central parts inside both ends of the main frame 1. The fixed specimen assembly is installed on the main frame 1 through a fixing member.
[0020] The fixed specimen assembly includes two fixing frames 4, fixing bolts 5 and nuts 6. The fixing frame 4 is arranged in a U shape. The fixing bolt 5 sequentially passes through the fixing frame 4 and the specimen inside the fixing frame 4 and is threadedly connected with the nut 6. The fixed specimen assembly can be used to fix the two ends of the specimen, facilitating subsequent tests.
[0021] Holes corresponding to the fixing frame 4 are provided on the specimen, which can facilitate the fixing bolt 5 to pass through the fixing frame 4 and the specimen, and install the specimen on the fixing frame 4.
[0022] The fixing member includes an assembly bolt 7 and a nut 8. The head of the assembly bolt 7 sequentially passes through the fixing frame 4 and the assembly hole 3 and is connected to the nut 8.
[0023] The assembly bolt 7 sequentially passes through the fixing frame 4 and the assembly hole 3 and is threadedly connected to the nut 8. The fixing frame 4 can be installed on the main frame 1 through the assembly bolt 7 and fixed by the nut 8.
[0024] A force measuring sensor is installed on the assembly bolt 7, and the magnitude of the applied force can be detected at any time through the force measuring sensor.
[0025] Working principle: A strain gauge is attached to the middle of the specimen. Then, the specimen with the strain gauge attached is placed at the corresponding position of the middle hole of the fixing frame 4. The fixing bolt 5 passes through the fixing frame 4 and the internal specimen and is tightened with the nut 6. After that, the fixing frame 4 with the specimen installed is placed on the fixing groove 2 inside the main frame 1. The assembly bolt 7 sequentially passes through the fixing frame 4 and the main frame 1 and is threadedly tightened with the nut 8. By rotating the nut 8, the force measuring sensor determines the magnitude of the applied force. At the same time, the tensile specimen is connected to the strain gauge. As the nut 8 is tightened, the value on the strain gauge reflects the micro-strain of the specimen being pulled. After reaching the required stress value, the strain gauge is removed, and the loading device is placed in the required environment for stress corrosion testing.
[0026] The embodiments of the present utility model are given for the purposes of illustration and description. Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model.
Claims
1. A stress corrosion test fixture with a mechanical control function, comprising a main frame (1) and a fixed sample assembly, wherein the fixed sample assembly is mounted on the main frame (1), and is characterized in that: A fixing groove (2) for placing and fixing the sample assembly is provided at the center of the main frame (1), and assembly holes (3) communicating with the fixing groove (2) are provided at the centers of both ends of the main frame (1); The fixed sample assembly is mounted on the main frame (1) via a fixing member.
2. The stress corrosion testing fixture with mechanical control function as claimed in claim 1, characterized in that: The fixed sample assembly comprises two fixing frames (4), fixing bolts (5) and nuts (6); the fixing frames (4) are arranged in a U shape; the fixing bolts (5) sequentially penetrate the fixing frames (4) and the sample pieces inside the fixing frames (4) and are threadedly connected to the nuts (6).
3. The stress corrosion testing fixture with mechanical control function as claimed in claim 2, characterized in that: The sample piece is provided with a hole corresponding to the fixing frame (4).
4. The stress corrosion testing fixture with mechanical control function as claimed in claim 2, characterized in that: The fixing member comprises an assembly bolt (7) and a nut (8), and the head of the assembly bolt (7) passes through the fixing frame (4) and the assembly hole (3) in sequence to be connected to the nut (8).
5. The stress corrosion testing fixture with mechanical control function as claimed in claim 4, characterized in that: The assembly bolt (7) passes through the fixing frame (4) and the assembly hole (3) in sequence and is threadedly connected with the nut (8).
6. The stress corrosion testing fixture with mechanical control function as claimed in claim 4, characterized in that: A force sensor is mounted on the assembly bolt (7).