Pressure testing machine for cement-based test of recycled concrete fine powder
By introducing transparent explosion-proof glass and a gear plate mechanism into the pressure testing machine, the problem of flying debris when cement-based materials crack is solved, improving test safety and the comprehensiveness of data recording.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-03-06
AI Technical Summary
The existing pressure testing machine has an open support platform, which causes cement-based materials to scatter debris when they collapse, making them difficult to handle and endangering operator safety.
A pressure testing machine with transparent explosion-proof glass was designed. The explosion-proof glass is opened and closed synchronously through a gear and toothed plate mechanism. It is surrounded on both sides of the cement base to prevent debris from flying and to collect the debris.
It effectively prevents cement-based gravel from splashing, protects operator safety, facilitates cleaning and observation of the test process, and provides comprehensive test data recording.
Smart Images
Figure CN223977022U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cement pressure testing technology, specifically a pressure testing machine for testing cement-based recycled concrete fine powder. Background Technology
[0002] With the rapid development of the construction industry, the demand for concrete is constantly increasing, which also generates a large amount of construction waste, such as waste concrete and bricks. To achieve sustainable resource utilization and environmental protection, recycled concrete technology has emerged. Recycled concrete is produced by processing waste concrete through crushing, screening, and washing, using it as part or all of the aggregate in the preparation of new concrete. Cement-based materials are a crucial component of concrete, and their performance directly affects key performance indicators such as strength and durability. In the research and application of recycled concrete, comprehensive performance testing of cement-based materials is necessary, thus requiring testing using a pressure testing machine.
[0003] Common pressure testing machines include a support platform, a hydraulic cylinder, and a pressure plate. In use, the cement base is placed on the surface of the support platform, and then the hydraulic cylinder drives the pressure plate to press down, thereby applying pressure to the cement base and obtaining the deformation and failure of the material under different pressures.
[0004] However, this method causes the cement base to deform and crack during continuous pressure application, and the support platform is an open platform structure, which easily leads to the scattered and flying cement base fragments. This is not only inconvenient for subsequent processing, but also easy to injure the operator, and cannot meet the working requirements of cement pressure testing. Therefore, a pressure testing machine for testing cement base of recycled concrete fine powder is proposed. Utility Model Content
[0005] (a) Technical problems to be solved
[0006] To address the shortcomings of existing technologies, this utility model provides a pressure testing machine for testing cement-based recycled concrete fine powder, which solves the technical problem that the open platform structure of the support plate easily leads to the scattered and flying of cement-based gravel, which is not only inconvenient for subsequent processing, but also easily injures the operator.
[0007] (II) Technical Solution
[0008] To achieve the above objectives, this utility model provides the following technical solution: a cement-based pressure testing machine for testing recycled concrete fine powder, comprising:
[0009] A base, a frame is installed at the rear of the base, a top seat is installed on the top of the frame, a hydraulic cylinder is installed on the top of the top seat, and the bottom end of the piston rod of the hydraulic cylinder passes through the corresponding position of the top seat and is connected to a pressure plate.
[0010] An operating table is installed at the front of the base. A cylinder is installed at the rear of the base. Connecting frames are installed on both sides of the base. A crossbar is connected to the upper inner side of the connecting frame, and toothed blocks are sleeved on both outer sides of the crossbar.
[0011] A connecting seat is installed at the front of the frame. Both sides of the front of the connecting seat are movably connected to a first gear via bearings. A second gear is coaxially mounted at the front of the first gear. A toothed plate is connected to the top of the cylinder. The toothed plate meshes with the second gear. The first gear meshes with a toothed block. A connecting block is installed at the front of the toothed block. A transparent explosion-proof glass is installed at the front of the connecting block.
[0012] Preferably, guide rods are connected to the top four corners of the pressure plate, and the guide rods pass through the corresponding positions inside the top seat. Buttons are installed on both sides of the front of the operating table for easy operation.
[0013] Preferably, the length of the crossbar is four times the length of the tooth block, the length of the tooth plate is greater than the length of the tooth block, and the diameter of the second gear is smaller than the diameter of the first gear.
[0014] Preferably, the transparent explosion-proof glass is L-shaped, and the inner end face of the transparent explosion-proof glass is aligned with the outer peripheral end face of the base to avoid interference between the transparent explosion-proof glass and the pressure plate after the glass is closed.
[0015] Preferably, reinforcing ribs are welded to the inner side of the frame and between the connecting frame and the frame, which improves the installation strength of the frame and the connecting frame.
[0016] (III) Beneficial Effects
[0017] Compared with the prior art, this utility model provides a cement-based pressure testing machine for testing recycled concrete fine powder, which has the following beneficial effects:
[0018] This cement-based pressure testing machine for recycled concrete fine powder uses a cylinder to drive the toothed plate up and down, which in turn drives the rotation of the first gear via the second gear. This, in turn, causes the toothed block and the transparent explosion-proof glass to open and close synchronously. When the pressure plate applies pressure to the cement-based material, the transparent explosion-proof glass surrounds both sides of the base, effectively blocking the debris from the cement-based material from breaking and causing injury to the test personnel. It also allows the debris to concentrate at the top of the base for easy cleaning and collection. At the same time, the addition of the transparent explosion-proof glass allows the test personnel to clearly observe the changes in the specimen during the test, facilitating timely recording of test data and phenomena, providing more comprehensive information for the analysis of test results, and improving the practicality of the pressure testing machine. Attached Figure Description
[0019] Figure 1This is a schematic diagram of the structure of this utility model;
[0020] Figure 2 This is a schematic diagram of the cylinder structure of this utility model;
[0021] Figure 3 This is a schematic diagram of the connecting seat, crossbar, and cylinder structure of this utility model;
[0022] Figure 4 This is a schematic diagram of the tooth block and tooth plate structure of this utility model.
[0023] In the diagram: 1. Base; 2. Frame; 3. Top seat; 4. Hydraulic cylinder; 5. Pressure plate; 6. Operating table; 7. Cylinder; 8. Connecting frame; 9. Crossbar; 10. Connecting seat; 11. Gear block; 12. Gear plate; 13. Connecting block; 14. Transparent explosion-proof glass; 15. First gear; 16. Second gear; 17. Guide rod. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] This utility model provides a technical solution: a pressure testing machine for testing cement-based recycled concrete fine powder, comprising a base 1, a frame 2, a top seat 3, a hydraulic cylinder 4, a pressure plate 5, an operating table 6, a cylinder 7, a connecting frame 8, a crossbar 9, a connecting seat 10, a toothed block 11, a toothed plate 12, a connecting block 13, transparent explosion-proof glass 14, a first gear 15, a second gear 16, and a guide rod 17.
[0026] Please see Figure 1 A frame 2 is installed at the rear of the base 1, a top seat 3 is installed on the top of the frame 2, a hydraulic cylinder 4 is installed on the top of the top seat 3, and the bottom end of the piston rod of the hydraulic cylinder 4 passes through the corresponding position of the top seat 3 and is connected to a pressure plate 5.
[0027] The control panel 6 is installed at the front of the base 1. Guide rods 17 are connected to the four corners of the top of the pressure plate 5, and each guide rod 17 passes through the corresponding position inside the top seat 3. Buttons are installed on both sides of the front of the control panel 6. Please refer to [link / reference]. Figure 2 A cylinder 7 is mounted at the rear of the base 1. Please refer to [link / reference]. Figure 1 and Figure 2 Both sides of the base 1 are equipped with connecting frames 8. The inner side of the frame 2 and the connection between the connecting frame 8 and the frame 2 are welded with reinforcing ribs. The upper inner side of the connecting frame 8 is connected with a crossbar 9, and the outer sides of the crossbar 9 are fitted with toothed blocks 11.
[0028] Connector 10 is mounted on the front of frame 2. Please refer to [link / reference]. Figure 3 and Figure 4 The front sides of the connecting seat 10 are movably connected to the first gear 15 via bearings. The front of the first gear 15 is coaxially mounted with the second gear 16. The top of the cylinder 7 is connected to the toothed plate 12, which meshes with the second gear 16. The first gear 15 meshes with the toothed block 11. The front of the toothed block 11 is mounted with the connecting block 13, and the front of the connecting block 13 is equipped with transparent explosion-proof glass 14. The cylinder 7 drives the toothed plate 12 to move up and down, which in turn drives the first gear 15 to rotate via the second gear 16. This, in turn, drives the toothed block 11 and the transparent explosion-proof glass 14 to open and close synchronously. When the pressure plate 5 applies pressure to the cement base, the transparent explosion-proof glass 14 surrounds both sides of the base 1, which can effectively block the cement. The base fracture debris is prevented from injuring the test personnel and is concentrated on the top of the base 1 for easy cleaning and collection. At the same time, the addition of transparent explosion-proof glass 14 allows the test personnel to clearly observe the changes of the specimen during the test, which is convenient for timely recording of test data and phenomena, providing more comprehensive information for the analysis of test results and improving the practicality of the pressure testing machine. The length of the crossbar 9 is four times the length of the tooth block 11, the length of the tooth plate 12 is greater than the length of the tooth block 11, the diameter of the second gear 16 is smaller than the diameter of the first gear 15, and the transparent explosion-proof glass 14 is L-shaped with its inner end face aligned with the outer peripheral end face of the base 1.
[0029] This design uses cylinder 7 to drive the toothed plate 12 to move up and down, which in turn drives the first gear 15 to rotate via the second gear 16. This, in turn, drives the toothed block 11 and the transparent explosion-proof glass 14 to open and close synchronously. When the pressure plate 5 applies pressure to the cement base, the transparent explosion-proof glass 14 surrounds both sides of the base 1, effectively blocking the debris from the cement base and preventing it from injuring the test personnel. It also allows the debris to concentrate on the top of the base 1, facilitating cleaning and collection. At the same time, the addition of the transparent explosion-proof glass 14 allows the test personnel to clearly observe the changes in the specimen during the test, facilitating timely recording of test data and phenomena, providing more comprehensive information for the analysis of test results, and improving the practicality of the pressure testing machine.
[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus.
[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A pressure testing machine for cement-based testing of recycled concrete fines, characterized in that Include: Base (1), the rear of the base (1) is mounted with frame (2), the top of the frame (2) is mounted with top seat (3), the top of the top seat (3) is equipped with hydraulic cylinder (4), the piston rod bottom end of the hydraulic cylinder (4) penetrates the corresponding position of the top seat (3) and is connected with the pressing plate (5); Operation platform (6), equipped in the front of the base (1), the rear of the base (1) is mounted with air cylinder (7), both sides of the base (1) are mounted with connecting frame (8), the inner side upper part of the connecting frame (8) is connected with cross bar (9), and both sides of the outer part of the cross bar (9) are sleeved with tooth block (11); Connecting seat (10), equipped in the front of the frame (2), both sides of the front of the connecting seat (10) are movably connected with first gear (15) through bearing, the front of the first gear (15) is coaxially mounted with second gear (16), the top end of the air cylinder (7) is connected with tooth plate (12), the tooth plate (12) is engaged with the second gear (16), the first gear (15) is engaged with the tooth block (11), the front of the tooth block (11) is mounted with connecting block (13), the front of the connecting block (13) is equipped with transparent explosion-proof glass (14).
2. A compression testing machine for cement-based testing of recycled concrete fines according to claim 1, characterized in that: The top of the pressing plate (5) is connected with guide rod (17), the guide rod (17) penetrates the corresponding position of the inside of the top seat (3), the front of the operation platform (6) is equipped with button.
3. A compression testing machine for cement-based testing of recycled concrete fines according to claim 1, characterized in that: The length of the cross bar (9) is four times the length of the tooth block (11), the length of the tooth plate (12) is greater than the length of the tooth block (11), and the diameter of the second gear (16) is less than the diameter of the first gear (15).
4. A compression testing machine for cement-based testing of recycled concrete fines according to claim 1, characterized in that: The shape of the transparent explosion-proof glass (14) is L-shaped, and the inner side end face of the transparent explosion-proof glass (14) is aligned with the outer peripheral end face of the base (1).
5. A cement-based testing compression testing machine for recycled concrete fine powder according to claim 1, characterized in that: The inner side of the frame (2) and the connecting frame (8) and the frame (2) are welded with reinforcing ribs.