Sample preparation mold matched with nanometer X-ray chromatography scanning compression test
By designing a sample preparation mold to support the pressure test of nano-X-ray tomography, the problem of low efficiency in preparing a single sample with existing molds was solved, enabling the simultaneous preparation and stable fixation of multiple samples, thus improving the accuracy and efficiency of experimental data.
Patent Information
- Application Number
- CN202423087690.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-13
AI Technical Summary
Existing nano-X-ray tomography scanner molds can only prepare samples one at a time, resulting in low sample preparation efficiency and making it difficult to meet the experimental needs of multiple samples.
A sample preparation mold for a nano-X-ray tomography compression test was designed, comprising a base plate and a mold base. The mold base has a concave groove, and multiple samples can be prepared and stably fixed simultaneously through structures such as positioning plates, sealing covers and threaded columns.
This technology enables the simultaneous preparation of multiple samples of the same size, improving the accuracy and stability of experimental data and meeting the requirements for efficient data acquisition in nano-X-ray tomography experiments.
Smart Images

Figure CN223637205U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a sample preparation mould technical field, concretely is a kind of nanometer X-ray tomography scanning compression test supporting sample preparation mould. BACKGROUND
[0002] Cement-based materials, as an indispensable basic material in the field of construction, are widely used in civil engineering projects such as bridges, railways, tunnels, residential construction, underground facilities, water conservancy projects and ports, and their microstructure and mechanical properties are crucial to ensuring the safety and durability of buildings. Therefore, it is increasingly urgent to understand the structural response under load and analyze the loading mechanism. However, the current evaluation and analysis of the loading performance of cement-based materials are mainly limited to the macroscopic and mesoscopic mechanical test level, making it difficult to access the specific characteristics and micro-mechanism of internal damage. Therefore, it is particularly important to conduct experimental research on the internal micro-damage characteristics and mechanism of cement-based materials from a micro perspective.
[0003] The application of nanometer X-ray CT tomography scanner in compression test can monitor and track the compression process of the sample non-destructively, in situ and continuously, providing a large amount of accurate compression process and damage experimental data. In addition, since the nanometer X-ray CT tomography scanner has certain limitations on the size of the tested sample block, in order to obtain a large amount of experimental data, multiple samples need to be prepared and used at the same time, and the existing mould can only sample and prepare single samples, resulting in low efficiency.
[0004] Therefore, the present application designs a nanometer X-ray tomography compression test supporting sample preparation mould to improve efficiency and solve such defects. UTILITY MODEL CONTENT
[0005] In view of the deficiencies of the prior art, the utility model provides a nanometer X-ray tomography compression test supporting sample preparation mould, which solves the problem of low sample preparation efficiency.
[0006] To achieve the above purpose, the utility model realizes the following technical scheme: a nanometer X-ray tomography compression test supporting sample preparation mould, comprising a base plate, a mould seat is arranged on the top of the base plate, and the two mould seats are arranged in three groups, a concave notch is arranged on the opposite side of the same group of two mould seats, and a plurality of concave notches are arranged, a rectangular vertical slot is arranged on the front side and the rear side of the top of the base plate and penetrates to the bottom, a positioning plug plate is fixedly connected to the front side and the rear side of the bottom of the mould seat and matched with the rectangular vertical slot, and the bottom end of the positioning plug plate extends into the interior of the rectangular vertical slot.
[0007] Preferably, the surface and the rear of the base platform are provided with side grooves, the opposite sides of the inner cavities of the two side grooves are provided with transverse insertion grooves, and the surface of the positioning insertion plate is provided with locking insertion ports matched with the transverse insertion grooves.
[0008] Preferably, the inner cavities of the side grooves are provided with sealing cover plates, the opposite sides of the two sealing cover plates are fixedly connected with insertion blocks matched with the transverse insertion grooves and the locking insertion ports, and the insertion blocks are provided with a plurality of insertion blocks.
[0009] Preferably, the two sides of the inner cavities of the side grooves are provided with threaded grooves, and the two sides of the surface of the sealing cover plate are provided with round grooves.
[0010] Preferably, the inner side of the round groove is provided with a sealing plug, and one side of the sealing plug is fixedly connected with a threaded column threadedly connected with the threaded groove.
[0011] Beneficial effects
[0012] The utility model provides a kind of nanometer X ray tomography scanning compression test supporting sample preparation mould.Compared with prior art, the following beneficial effects are achieved:
[0013] (1), the nanometer X ray tomography scanning compression test supporting sample preparation mould, a plurality of mould seats are provided on the top of base platform, and recessed grooves are formed on the opposite sides of the two mould seats in the same group, and the butt joint of the two recessed grooves can form a plurality of sample preparation grooves with the same size. This structure can facilitate the staff to make a plurality of samples with the same size at one time according to the quantity requirement, and the preparation time of the same batch of samples is also the same, which can effectively improve the accuracy of experimental data and meet the current use.
[0014] (2), the nanometer X ray tomography scanning compression test supporting sample preparation mould, a positioning insertion plate matched with the rectangular vertical groove is installed at the bottom of the mould seat, and a sealing cover plate, an insertion block and a threaded column are used together. After the mould seat is connected and installed with the base platform by the positioning insertion plate, all structures are locked by the insertion block and the threaded column, so that the stability of the mould seat during sample preparation is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the utility model;
[0016] Figure 2 It is a schematic diagram of the mould seat, positioning insertion plate and recessed groove structure of the utility model;
[0017] Figure 3 It is a schematic diagram of the insertion block, sealing plug and threaded column structure of the utility model;
[0018] Figure 4 It is the schematic view of base platform, side slot and transverse slot structure of the utility model;
[0019] Figure 5 It is the sectional view of base platform structure of the utility model.
[0020] In the drawing: 1, base platform; 2, rectangular vertical slot; 3, mold base; 4, positioning plugboard; 5, concave notch; 6, side slot; 7, transverse slot; 8, sealing cover plate; 9, locking socket; 10, plug-in block; 11, round slot; 12, threaded slot; 13, sealing plug; 14, threaded column. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0022] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of nanometer X-ray tomography scanning stressed test matching sample preparation mold, including base platform 1, the top of base platform 1 is provided with mold base 3, and mold base 3 two are set with three groups, the side of opposite two mold bases 3 in same group is all set with concave notch 5 of mutually matched use, two concave notches 5 can form a complete rectangular pouring groove after docking, and concave notch 5 is provided with several, the front side and rear side of the top of base platform 1 are all set with rectangular vertical slot 2 that penetrates to bottom, the front side and rear side of the bottom of mold base 3 are all fixedly connected with positioning plugboard 4 that is matched with rectangular vertical slot 2 and used, positioning plugboard 4 and rectangular vertical slot 2 interference fit have friction, need slightly force plug-in, and the bottom end of positioning plugboard 4 extends to the inside of rectangular vertical slot 2, the surface and rear portion of base platform 1 are all set with side slot 6, the side opposite in the inner cavity of two side slots 6 is all set with transverse slot 7, the surface of positioning plugboard 4 is set with locking socket 9 that is matched with transverse slot 7 and used.
[0023] When using, first, base platform 1 is placed in specified position, then several mold bases 3 are inserted into the inside of rectangular vertical slot 2 using positioning plugboard 4, after all mold bases 3 are installed, the concave notch 5 of opposite side of two mold bases 3 in same group is mutually docked to form a square notch.
[0024] Further, the inside of the side slot 6 is provided with a sealing cover plate 8, the opposite side of the two sealing cover plates 8 is fixedly connected with the plug-in block 10 matched with the transverse slot 7 and the locking socket 9, and the plug-in block 10 is provided with a plurality of plug-in blocks 10, the two sides of the inner cavity of the side slot 6 are provided with a threaded groove 12, the two sides of the surface of the sealing cover plate 8 are provided with a round slot 11, the inner side of the round slot 11 is provided with a sealing plug 13, the surface of the sealing plug 13 is wrapped with a rubber layer, which can increase the sealing property after contacting with the round slot 11, and the side of the sealing plug 13 is fixedly connected with the threaded column 14 threadedly connected with the threaded groove 12.
[0025] The two sealing cover plates 8 are inserted into the side slot 6, and the plurality of plug-in blocks 10 pass through the transverse slot 7 and are inserted into the inside of the locking socket 9, at this time the plurality of mold bases 3 are fixed, then the four threaded columns 14 are respectively inserted into the inside of the threaded groove 12 and are screwed, at this time the threaded column 14 and the threaded groove 12 are completed threaded connection, then the staff member pours the concrete into the butt-jointed concave slot 5 to make the sample, and after the concrete solidifies, the mold base 3 is removed to obtain the sample.
[0026] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.
Claims
1. A sample preparation mold for a nano X-ray tomography compression test, comprising a base platen (1), characterized in that: The top of the base platform (1) is provided with a mold base (3), and the two mold bases (3) are provided with three groups, and the opposite sides of the two mold bases (3) in the same group are provided with a plurality of recessed notches (5) matched for use, and the recessed notches (5) are provided with a plurality of recessed notches (5), and the front and rear sides of the top of the base platform (1) are provided with a rectangular vertical groove (2) penetrating to the bottom, and the front and rear sides of the bottom of the mold base (3) are fixedly connected with a positioning plug plate (4) matched with the rectangular vertical groove (2), and the bottom end of the positioning plug plate (4) extends to the inside of the rectangular vertical groove (2).
2. The sample preparation mold for a nano X-ray tomography compression test according to claim 1, wherein: The surface and rear part of the base platform (1) are provided with side grooves (6), and the opposite sides of the two side grooves (6) are provided with transverse insertion grooves (7), and the surface of the positioning plug plate (4) is provided with a locking insertion port (9) matched with the transverse insertion groove (7).
3. The sample preparation mold for a nano X-ray tomography compression test according to claim 2, wherein: The inside of the side groove (6) is provided with a sealing cover plate (8), and the opposite sides of the two sealing cover plates (8) are fixedly connected with a plug block (10) matched with the transverse insertion groove (7) and the locking insertion port (9), and the plug block (10) is provided with a plurality of plug blocks (10).
4. The sample preparation mold for a nano X-ray tomography compression test according to claim 3, wherein: The two sides of the side groove (6) are provided with a threaded groove (12), and the two sides of the surface of the sealing cover plate (8) are provided with a round slot (11).
5. The sample preparation mold for nano X-ray tomography compression test according to claim 4, wherein: The inside of the round slot (11) is provided with a sealing plug (13), and one side of the sealing plug (13) is fixedly connected with a threaded column (14) threaded connected with the threaded groove (12).