Concrete impermeability testing device

Abstract

The utility model discloses a concrete impermeability testing device, which belongs to the technical field of concrete performance detection.The testing device comprises a fixed box, the upper surface of the fixed box is fixedly connected with a detection table, the inner wall of the detection table is fixedly connected with two fixed frames, and the inner walls of the two fixed frames are jointly connected with a lifting plate in a sliding mode. The upper surface of each fixing frame is fixedly connected with a servo motor, the power output end of each servo motor penetrates through the corresponding fixing frame and extends into the corresponding fixing frame, and the power output end of each servo motor is fixedly connected with a threaded rod. According to the concrete impermeability testing device, a threaded rod can be driven to rotate through rotation of a servo motor, a lifting table on the surface can be driven to descend under the action of rotation of the threaded rod, and three extrusion rings on the bottom surface can be driven to descend through descending of the lifting table until a test mold can be extruded and sealed firmly; the conditions of movement and air leakage are avoided, and meanwhile, a plurality of concrete blocks can be conveniently tested at a time.

Description

Technical Field

[0001] The present application belongs to the technical field of concrete performance testing, and in particular relates to a concrete impermeability testing device. Background Art

[0002] Concrete impermeability refers to the ability of concrete to resist water penetration under external water pressure or hydraulic scouring. Concrete impermeability testing is a process of determining the concrete's impermeability performance index through a series of tests on concrete. This performance is one of the important indicators for measuring concrete quality and is crucial to ensuring the durability and safety of concrete structures.

[0003] The existing utility model with authorization announcement number CN217561281U discloses a concrete impermeability testing device, including a bracket; a clamping part, the clamping part is installed on the bracket; a water supply component, the water supply component is installed on the bracket, the switch of the water supply component is set on the bracket, and the switch is used to control the water supply of the water supply component; and a longitudinal moving component, the longitudinal moving component is movably set on the clamping part, the longitudinal moving component is movable between a pressing position contacting the switch and a release position disengaged from the switch, and the longitudinal moving component presses the switch to stop the water supply of the water supply component.

[0004] By adopting the above technical solution, through the cooperation of the water supply component and the longitudinal moving component, the water level inside the concrete test mold is always in a saturated state, replacing the manual addition of water to the inside of the concrete test mold, thereby reducing the labor intensity of the operator. However, when using the above technical solution to perform testing using the above device, since the device can only test one concrete specimen at a time, the test results of a single specimen may not ensure the reliability and representativeness of the results, and the average value of the anti-permeability performance cannot be calculated, resulting in the problem of poor practical effect. Utility Model Content

[0005] The purpose of this application is to solve the problem in the prior art that it is impossible to test the impermeability of multiple concrete specimens at the same time, and to propose a concrete impermeability testing device.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] The concrete impermeability testing device comprises a fixed box, the upper surface of which is fixedly connected to a testing platform, the inner wall of which is fixedly connected to two fixed frames, the inner walls of the two fixed frames are slidably connected to a lifting plate, the upper surface of each fixed frame is fixedly connected to a servo motor, the output end of each servo motor power passes through the fixed frame and extends to the interior of the fixed frame, the output end of each servo motor power is fixedly connected to a threaded rod, the bottom end of each threaded rod is rotatably connected to the inner wall of the fixed frame, the outer surface of each threaded rod is threadedly connected to the inner wall of the lifting plate, and the testing platform is fixedly connected to the inner wall of the lifting plate. The outer surface of the test platform is slidably connected to three test molds, and the bottom surface of the lifting plate is fixedly connected to three extrusion rings. The inner wall of each extrusion ring is slidably connected to the outer surface of the test mold, and the inner wall of each extrusion ring is slidably connected to the outer surface of the test platform. The inner wall of the fixed box is fixedly connected to the water tank, and the inner bottom wall of the fixed box is fixedly connected to a water pump. The input end of the water pump power passes through the water tank and extends to the interior of the water tank, and the output end of the water pump power is fixedly connected to a guide pipe, and the top end of the guide pipe is fixedly connected to a multi-way pipe. The outer surface of the multi-way pipe is fixedly connected to the inner wall of the test platform.

[0008] Preferably, the bottom surface of the fixed box is fixedly connected to four supporting legs, and the bottom surface of each supporting leg is fixedly connected to a base.

[0009] Preferably, two sealing doors are movably hinged on the inner wall of the fixed box, and a pull block is fixedly connected to the front side of each sealing door.

[0010] Preferably, the front and back sides of each fixing frame are fixedly connected with reinforcement blocks, and the side surfaces of the two groups of reinforcement blocks close to each other are fixedly connected to the two side surfaces of the detection platform respectively.

[0011] Preferably, the front of the water tank is fixedly connected to a water injection pipe, and the inner wall of the water injection pipe is slidably connected to a plug.

[0012] Preferably, a fixing frame is fixedly connected to the inner wall of the water tank, and a transparent plate is fixedly connected to the inner wall of the fixing frame.

[0013] Preferably, two fixing blocks are fixedly connected to the outer surface of the multi-way tube, and the upper surface of each of the fixing blocks is fixedly connected to the bottom surface of the detection platform.

[0014] Preferably, three sealing pads are fixedly connected to the outer surface of the testing platform, and the upper surface of each sealing pad is in contact with the bottom surface of the test mold.

[0015] In summary, this application has the following technical effects and advantages:

[0016] 1. By setting up the test mold, extrusion ring, fixing frame, servo motor, threaded rod and lifting platform, the test mold can conveniently fix the tested concrete block on the surface of the device under the action of the test mold, thereby facilitating the anti-seepage test. At the same time, the rotation of the servo motor can drive the threaded rod to rotate. Under the action of the rotation of the threaded rod, the lifting platform on the surface can be driven to descend, and the descent of the lifting platform can drive the three extrusion rings on the bottom to descend until the test mold can be squeezed and sealed firmly to avoid movement and leakage. At the same time, it is also convenient to test multiple concrete blocks at one time.

[0017] 2. By setting up a water tank, a water pump, a diversion pipe and a multi-way pipe, the water pump can extract the water inside the water tank and transmit it through the diversion pipe. The diversion pipe can transport the internal water to the inside of the multi-way pipe. At the same time, the multi-way pipe can transport water to multiple locations, which makes it convenient to test the anti-seepage performance of multiple concrete blocks at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional structural diagram of the fixed box of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the fixed box of the utility model in a bottom-up, sectional, and three-dimensional manner;

[0020] Figure 3 This is a schematic diagram of the structure of the lifting plate of the utility model in a three-dimensional cutaway view;

[0021] Figure 4 It is a schematic structural diagram of a three-dimensional cutaway view of a test mold of the present invention.

[0022] In the figure: 1. Fixed box; 2. Testing table; 3. Fixed frame; 4. Lifting plate; 5. Support leg; 6. Base; 7. Sealing door; 8. Pull block; 9. Reinforcement block; 10. Servo motor; 11. Threaded rod; 12. Water storage tank; 13. Water pump; 14. Diversion pipe; 15. Multi-way pipe; 16. Water injection pipe; 17. Plug; 18. Fixed frame; 19. Transparent plate; 20. Fixed block; 21. Extrusion ring; 22. Test mold; 23. Sealing gasket. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] Reference Figure 1-4The present application provides a concrete impermeability testing device, comprising a fixed box 1, the upper surface of the fixed box 1 is fixedly connected to a testing platform 2, the inner wall of the testing platform 2 is fixedly connected to two fixed frames 3, the inner walls of the two fixed frames 3 are slidably connected to a lifting plate 4, the bottom surface of the fixed box 1 is fixedly connected to four supporting legs 5, the bottom surface of each supporting leg 5 is fixedly connected to a base 6, and by arranging the supporting legs 5 and the base 6, a good supporting effect can be provided for the device, so that it can be in a stable working state.

[0025] A servo motor 10 is fixedly connected to the upper surface of each fixed frame 3, and the power output end of each servo motor 10 passes through the fixed frame 3 and extends to the interior of the fixed frame 3. Two sealing doors 7 are movably hinged on the inner wall of the fixed box 1, and a pull block 8 is fixedly connected to the front of each sealing door 7. By setting the sealing door 7 and the pull block 8, the fixed box 1 can be easily opened and closed, thereby facilitating the operation of the internal components.

[0026] The output end of the power of each servo motor 10 is fixedly connected to a threaded rod 11, the bottom end of each threaded rod 11 is rotatably connected to the inner wall of the fixed frame 3, the outer surface of each threaded rod 11 is threadedly connected to the inner wall of the lifting plate 4, and the front and back of each fixed frame 3 are fixedly connected to a reinforcement block 9. The side surfaces of the two groups of reinforcement blocks 9 that are close to each other are respectively fixedly connected to the two side surfaces of the detection platform 2. By setting the reinforcement blocks 9, the firmness of the fixed frame 3 can be further increased to avoid falling off during long-term use.

[0027] The outer surface of the testing platform 2 is slidably connected to three test molds 22, the bottom surface of the lifting plate 4 is fixedly connected to three extrusion rings 21, the front of the water tank 12 is fixedly connected to a water injection pipe 16, and the inner wall of the water injection pipe 16 is slidably connected to a plug 17. By setting the water injection pipe 16 and the plug 17, it is convenient for the staff to inject an appropriate amount of water into the water tank 12, thereby facilitating subsequent testing work.

[0028] The inner wall of each extrusion ring 21 is slidably connected to the outer surface of the test mold 22, and the inner wall of each extrusion ring 21 is slidably connected to the outer surface of the test platform 2. The inner wall of the fixed box 1 is fixedly connected to the water tank 12, and the inner wall of the water tank 12 is fixedly connected to the fixing frame 18, and the inner wall of the fixing frame 18 is fixedly connected to the transparent plate 19. By setting the fixing frame 18 and the transparent plate 19, it is convenient for the staff to observe the water capacity inside the water tank 12, so that the water source can be replenished in time.

[0029] A water pump 13 is fixedly connected to the inner bottom wall of the fixed box 1. The power input end of the water pump 13 passes through the water tank 12 and extends to the interior of the water tank 12. The outer surface of the multi-way tube 15 is fixedly connected to two fixed blocks 20. The upper surface of each fixed block 20 is fixedly connected to the bottom surface of the detection platform 2. By providing the fixed blocks 20, the multi-way tube 15 can be further reinforced so that it can be used more stably.

[0030] The output end of the power of the water pump 13 is fixedly connected to a guide pipe 14, the top of the guide pipe 14 is fixedly connected to a multi-way pipe 15, the outer surface of the multi-way pipe 15 is fixedly connected to the inner wall of the test platform 2, and the outer surface of the test platform 2 is fixedly connected to three sealing gaskets 23. The upper surface of each sealing gasket 23 is in contact with the bottom surface of the test mold 22. By providing the sealing gasket 23, the sealing effect between the test platform 2 and the test mold 22 can be increased to prevent water leakage during testing.

[0031] The working principle of the present invention is as follows: when in use, the staff first turns on the power of the servo motor 10 and the water pump 13 of the device so that they can be in a stable power-on state, and then the staff injects an appropriate amount of water into the water tank 12 through the water injection pipe 16, and then places the processed test concrete into the test mold 22, and at the same time seals the concrete and the test mold 22 with materials to avoid water leakage from the surrounding area, and then the staff places multiple test molds 22 on the test table 2, and then the staff turns on the servo motor 10. After the servo motor 10 is turned on, it can generate power to rotate, and the rotation of the servo motor 10 can drive the threaded rod 11 to rotate, and the rotation of the threaded rod 11 can drive The movable lifting plate 4 and the extrusion ring 21 are lifted and lowered until the test mold 22 can be squeezed and sealed firmly to avoid movement and air leakage, so that multiple concrete blocks to be tested can be installed on the surface of the detection device, and then the water pump 13 is turned on. After the water pump 13 is turned on, suction can be generated. The water pump 13 can extract the water inside the water tank 12 and transmit it through the guide pipe 14. The guide pipe 14 can transport the internal water to the inside of the multi-way pipe 15. At the same time, the multi-way pipe 15 can transport water to multiple locations, so that the anti-seepage performance of the concrete can be tested after water injection, and the anti-seepage test work can be performed on multiple concrete blocks at the same time, thereby improving the accuracy of the device test.

[0032] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0034] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A concrete impermeability testing device, comprising a fixing box (1), characterized in that: The upper surface of the fixed box (1) is fixedly connected to a test platform (2), the inner wall of the test platform (2) is fixedly connected to two fixed frames (3), the inner walls of the two fixed frames (3) are slidably connected to a lifting plate (4), the upper surface of each fixed frame (3) is fixedly connected to a servo motor (10), the output end of the power of each servo motor (10) passes through the fixed frame (3) and extends to the interior of the fixed frame (3), the output end of the power of each servo motor (10) is fixedly connected to a threaded rod (11), the bottom end of each threaded rod (11) is rotatably connected to the inner wall of the fixed frame (3), the outer surface of each threaded rod (11) is threadedly connected to the inner wall of the lifting plate (4), and the outer surface of the test platform (2) is slidably connected to three test molds ( 22), the bottom surface of the lifting plate (4) is fixedly connected with three extrusion rings (21), the inner wall of each extrusion ring (21) is slidably connected to the outer surface of the test mold (22), and the inner wall of each extrusion ring (21) is slidably connected to the outer surface of the test platform (2), the inner wall of the fixed box (1) is fixedly connected to the water storage tank (12), the inner bottom wall of the fixed box (1) is fixedly connected to a water pump (13), the input end of the power of the water pump (13) passes through the water storage tank (12) and extends to the interior of the water storage tank (12), the output end of the power of the water pump (13) is fixedly connected to a guide pipe (14), the top end of the guide pipe (14) is fixedly connected to a multi-way pipe (15), and the outer surface of the multi-way pipe (15) is fixedly connected to the inner wall of the test platform (2).

2. The concrete impermeability testing device according to claim 1, characterized in that: Four supporting legs (5) are fixedly connected to the bottom surface of the fixed box (1), and the bottom surface of each supporting leg (5) is fixedly connected to a base (6).

3. The concrete impermeability testing device according to claim 1, characterized in that: Two sealing doors (7) are movably hinged on the inner wall of the fixed box (1), and a pull block (8) is fixedly connected to the front of each sealing door (7).

4. The concrete impermeability testing device according to claim 1, characterized in that: The front and back sides of each fixed frame (3) are fixedly connected to reinforcement blocks (9), and the sides of the two groups of reinforcement blocks (9) that are close to each other are fixedly connected to the two side faces of the detection platform (2).

5. The concrete impermeability testing device according to claim 1, characterized in that: The front of the water storage tank (12) is fixedly connected to a water injection pipe (16), and the inner wall of the water injection pipe (16) is slidably connected to a plug (17).

6. The concrete impermeability testing device according to claim 1, characterized in that: The inner wall of the water storage tank (12) is fixedly connected to a fixing frame (18), and the inner wall of the fixing frame (18) is fixedly connected to a transparent plate (19).

7. The concrete impermeability testing device according to claim 1, characterized in that: Two fixing blocks (20) are fixedly connected to the outer surface of the multi-way tube (15), and the upper surface of each fixing block (20) is fixedly connected to the bottom surface of the detection platform (2).

8. The concrete impermeability testing device according to any one of claims 1 to 7, characterized in that: Three sealing pads (23) are fixedly connected to the outer surface of the testing platform (2), and the upper surface of each sealing pad (23) is in contact with the bottom surface of the test mold (22).

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