Multifunctional aerated concrete block quality detection device

Abstract

The utility model discloses a multifunctional aerated concrete block quality detection device which comprises a detection table, a boss arranged on the top surface of the detection table, an electric air cylinder arranged on the top surface of the boss, a plurality of branch detection heads arranged at the output end of the electric air cylinder, a supporting block arranged on the side of the output end of the electric air cylinder, and a clamping assembly arranged on one side of the supporting block, the detection head is opposite to the clamping assembly; a test furnace is arranged on the bottom surface of the detection table, an opening is formed in the top surface of the test furnace and communicated with the top surface of the detection table, a lifting mechanism is arranged in the test furnace and penetrates through the opening and the top surface of the detection table, and a driving part is arranged on the bottom surface of the detection table to drive a driving end of the lifting mechanism. According to the utility model, the building stress limit of aerated concrete is accurately tested, multifunctional testing is realized, and the working efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of concrete block quality testing technology, specifically to a multifunctional aerated concrete block quality testing device. Background Technology

[0002] Autoclaved aerated concrete (AAC) blocks are a lightweight, porous building material with good thermal insulation, fire resistance, and can be nailed, sawed, and planed. They also possess a certain degree of earthquake resistance. They are commonly used as infill walls in high-rise buildings and load-bearing walls in low-rise buildings. After being manufactured into final products, AAC blocks must undergo quality testing to ensure they meet quality standards before being supplied to buildings.

[0003] A search revealed that CN218823666U discloses a quality testing device for autoclaved aerated concrete (AAC) blocks, comprising a workbench with a placement seat fixedly installed on its upper surface. The workbench contains a fastening device comprising a turntable, a guide rod, a clamping seat, and a pressing block. The turntable is rotatably connected to the side wall of the workbench, the guide rod is fixedly installed on the inner wall of the workbench, and the clamping seat is slidably connected to the upper surface of the workbench. This AAC block quality testing device, in order to ensure the accuracy of pressure test data for the concrete blocks during pressure testing, utilizes a fastening assembly, in conjunction with a compression spring and a pressing block, to achieve a good vertical clamping effect on the concrete blocks, further enabling the concrete blocks to maintain good stability during pressure testing.

[0004] Although the aforementioned existing technology uses a placement seat, turntable, guide rod, clamping seat and pressure block to fix the block and perform pressure strength testing, the placement seat provides a certain degree of support to the block. When the pressure block presses down on it for testing, the support of the placement seat and the pressure generated by the pressure block on the block are offset, making it impossible to accurately test the stress limit of the block.

[0005] In view of this, a multifunctional aerated concrete block quality testing device is proposed to solve the problems mentioned in the background art. Utility Model Content

[0006] The purpose of this invention is to provide a multifunctional aerated concrete block quality testing device to solve the problems described in the background art.

[0007] The technical solution of this utility model is implemented as follows:

[0008] A multifunctional aerated concrete block quality testing device includes: a testing table, a boss on the top surface of the testing table, an electric cylinder on the top surface of the boss, multiple branch testing heads at the output end of the electric cylinder, a support block on the side of the output end of the electric cylinder, a clamping component with a hollow center on one side of the support block, and the testing heads opposite to the clamping component.

[0009] The bottom surface of the testing table is provided with a test furnace, and the top surface of the test furnace is provided with an opening that connects to the top surface of the testing table. A lifting mechanism is provided inside the test furnace that moves up and down through the opening and the top surface of the testing table. The bottom surface of the testing table is provided with a drive unit that drives the drive end of the lifting mechanism.

[0010] A further technical solution is that the clamping assembly includes a right-angle fixing block and a right-angle moving block. The support block has a built-in sliding cavity. The right-angle moving block has a first sliding block on its side that extends into the sliding cavity and is slidably connected to its side wall. The bottom surface of the first sliding block is connected to a first telescopic spring. The other end of the first telescopic spring is connected to the bottom surface of the sliding cavity. The right-angle fixing block is located below the right-angle moving block and is fixedly connected to the side of the support block.

[0011] The support block has a first measuring mark on its side.

[0012] A further technical solution is that a fixed measuring plate is provided on one side of the right-angle moving block, and a moving measuring plate is provided on the other side. A second telescopic spring is provided inside the right-angle moving block. The moving measuring plate extends into the right-angle moving block and is connected to the second telescopic spring, and slides left and right inside the moving measuring plate.

[0013] The right-angle moving block has a second measuring mark on its front.

[0014] A further technical solution is that the bottom surface of the test furnace is provided with a first vertically upward heat insulation plate to isolate the lifting mechanism, and a flamethrower is provided on the other side of the test furnace to be aimed at the top of the lifting mechanism.

[0015] A further technical solution is that the lifting mechanism includes a lifting block, a threaded rod, and a placement frame. The lifting block is sleeved on the outer periphery of the threaded rod. The placement frame is provided on the top surface of the lifting block, and a second sliding block is provided at the bottom, which slides on the side of the first insulation board and the inner side wall of the test furnace respectively. The other end of the threaded rod is rotatably connected to the bottom surface of the test furnace, and the bottom of the threaded rod is connected to the driving part.

[0016] The placement frame moves up and down through the opening and the top surface of the testing table via the lifting block.

[0017] A further technical solution is that the top surface of the testing table is equipped with a nozzle to spray cooling liquid onto the placement frame.

[0018] A further technical solution is that the driving unit includes a drive motor, which is disposed on the bottom surface of the testing table. Its output end is vertically connected to a rotating rod, and the bottom of the rotating rod passes through the side of the test furnace and is connected to the bottom of the threaded rod via a transmission pulley.

[0019] A further technical solution is that the opening is provided with two second heat insulation boards, and the second heat insulation boards have built-in coil springs that are rotatably connected to the side wall of the opening.

[0020] A further technical solution is that a flue gas collector is provided at the bottom of the experimental furnace.

[0021] The beneficial effects of the present invention are:

[0022] 1. Place the aerated concrete block to be tested on the clamping assembly connected to the support block. After the test head impacts the clamped aerated concrete block through the electric cylinder on the boss, observe whether the aerated concrete block is cracked. Observe the stress limit of the aerated concrete block after being impacted and accurately test the stress limit of the aerated concrete block.

[0023] 2. The aerated concrete block is placed on the top of the testing table using a lifting mechanism. The lifting mechanism is activated by the drive unit to lower the aerated concrete block into the testing furnace. The furnace is then used to test the fire resistance of the aerated concrete block by spraying it with fire. This achieves multi-functional testing and improves work efficiency. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall design of this utility model;

[0025] Figure 2 This is a schematic cross-sectional view of the right-side portion of the right-angle moving block;

[0026] Figure 3 This is a schematic diagram showing the connection between the second heating plate and the test furnace;

[0027] Figure 4 A schematic diagram showing the contact between the second heating plate and the threaded rod;

[0028] Figure 5 A schematic diagram of the nozzle structure as seen from above on the top surface of the testing table.

[0029] In the diagram, 1. Testing table; 2. Boss; 3. Electric cylinder; 4. Testing head; 5. Support block; 6. Test furnace; 7. Opening; 8. Right-angle fixed block; 9. Right-angle moving block; 10. Sliding cavity; 11. First sliding block; 12. First telescopic spring; 13. Fixed measuring plate; 14. Moving measuring plate; 15. Second telescopic spring; 16. Second measuring mark; 17. First insulation board; 18. Flamethrower; 19. Lifting block; 20. Threaded rod; 21. Placement frame; 22. Second sliding block; 23. Nozzle; 24. Drive motor; 25. Rotating rod; 26. Transmission pulley; 27. Second insulation board; 29. ​​Smoke collector; 30. Coil spring. Detailed Implementation

[0030] To better understand the technical content of this utility model, specific embodiments are provided below, and the utility model will be further described in conjunction with the accompanying drawings.

[0031] See Figures 1 to 5 This utility model provides a multifunctional aerated concrete block quality testing device, including: a testing table 1, a boss 2 on the top surface of the testing table 1, an electric cylinder 3 on the top surface of the boss 2, multiple branch testing heads 4 at the output end of the electric cylinder 3, a support block 5 on the side of the output end of the electric cylinder 3, a clamping component with a central hollow on one side of the support block 5, and the testing heads 4 opposite to the clamping component; a test furnace 6 on the bottom surface of the testing table 1, an opening 7 on the top surface of the test furnace 6 connecting to the top surface of the testing table 1, a lifting mechanism inside the test furnace 6 that moves up and down through the opening 7 and the top surface of the testing table 1, and a drive unit on the bottom surface of the testing table 1 that drives the driving end of the lifting mechanism.

[0032] It should be noted that at least three detection heads 4 should be installed to comprehensively inspect the stress quality of the aerated concrete blocks. Additionally, the centrally hollowed-out clamping assembly holds the aerated concrete blocks, and the impact of the detection heads 4 on the blocks accurately reflects the stress limits.

[0033] Specifically, the aerated concrete block to be tested is placed on the clamping assembly connected to the support block 5. The test head 4 impacts the clamped aerated concrete block via the electric cylinder 3 on the boss 2 to observe whether the block is cracked. The impact resistance limit of the aerated concrete block is observed, accurately testing its stress limit. The aerated concrete block is then placed on the lifting mechanism on the top surface of the testing table 1. The lifting mechanism is activated by the drive unit to lower the aerated concrete block into the test furnace 6, where its fire resistance is tested by flame spraying. This multi-functional testing method improves work efficiency.

[0034] Preferably, the clamping assembly includes a right-angle fixing block 8 and a right-angle moving block 9. The support block 5 has a built-in sliding cavity 10. The right-angle moving block 9 has a first sliding block 11 on its side that extends into the sliding cavity 10 and is slidably connected to its side wall. The bottom surface of the first sliding block 11 is connected to a first telescopic spring 12. The other end of the first telescopic spring 12 is connected to the bottom surface inside the sliding cavity 10. The right-angle fixing block 8 is located below the right-angle moving block 9 and is fixedly connected to the side of the support block 5. The side of the support block 5 has a first measuring mark (not shown, but the same as the second measuring mark 16).

[0035] First, the right-angle moving block 9 is moved upwards, the first sliding block 11 stretches the first telescopic spring 12, and then the aerated concrete block is placed vertically on the top surface of the right-angle fixing block 8. The force on the right-angle moving block 9 is released, and the first telescopic spring 12 releases its potential energy, pulling the right-angle moving block 9 upwards. This ensures that the right-angle fixing block 8 and the right-angle moving block 9 can stably clamp the aerated concrete block, facilitating subsequent stable testing of stress limits. Simultaneously, the height of the aerated concrete block can be measured through the first measuring mark to ensure that the aerated concrete block meets dimensional requirements.

[0036] Preferably, the right-angle moving block 9 has a fixed measuring plate 13 on one side and a moving measuring plate 14 on the other side. A second telescopic spring 15 is provided inside the right-angle moving block 9. The moving measuring plate 14 extends into the right-angle moving block 9 and is connected to the second telescopic spring 15, and slides left and right inside the moving measuring plate 14. A second measuring mark 16 is provided on the front of the right-angle moving block 9.

[0037] After the aerated concrete block is fixed by the right-angle fixing block 8 and the right-angle moving block 9, one side of the aerated concrete block is pasted to the side of the fixed measuring plate 13. By pulling open the moving measuring plate 14, the aerated concrete block is inserted into the inner side of the right-angle fixing block 8 and the right-angle moving block 9 and pressed against it. When the moving measuring plate 14 is pulled open, the second telescopic spring 15 contracts. After the aerated concrete block is stabilized, the moving measuring plate 14 is released, and the second telescopic spring 15 releases its potential energy, stably clamping the width of the aerated concrete block with the fixed measuring plate 13. The width of the aerated concrete block is measured by the second measuring mark 16 to ensure that the aerated concrete block meets the size requirements.

[0038] Furthermore, after the aerated concrete block is stabilized by clamping it with the right-angle fixed block 8 and the right-angle moving block 9, and the fixed measuring plate 13 and the moving measuring plate 14, the electric cylinder 3 can be activated to perform stress limit testing on the aerated concrete block.

[0039] Preferably, the bottom surface of the test furnace 6 is provided with a vertically upward first heat insulation plate 17 for isolating the lifting mechanism, and the other side of the test furnace 6 is provided with a flamethrower 18 aimed at the top of the lifting mechanism.

[0040] When the flamethrower 18 is activated, the first heat insulation plate 17 isolates the flamethrower 18 from the high temperature, protecting part of the lifting mechanism from being heated by the high temperature and avoiding a reduction in service life.

[0041] Preferably, the lifting mechanism includes a lifting block 19, a threaded rod 20, and a placement frame 21. The lifting block 19 is sleeved on the outer periphery of the threaded rod 20. The top surface of the lifting block 19 is provided with the placement frame 21, and the bottom surface is provided with a second sliding block 22 that slides on the side of the first insulation plate 17 and the inner side wall of the test furnace 6 respectively. The other end of the threaded rod 20 is rotatably connected to the inner bottom surface of the test furnace 6, and the bottom of the threaded rod 20 is connected to the drive unit. The placement frame 21 is lifted up and down by the lifting block 19, passing through the opening 7 and the top surface of the test table 1. The drive unit includes a drive motor 24, which is located on the bottom surface of the test table 1. Its output end is vertically connected to a rotating rod 25. The bottom of the rotating rod 25 passes through the side of the test furnace 6 via a transmission pulley 26 and is connected to the bottom of the threaded rod 20. The opening 7 is provided with two second insulation plates 27. The second insulation plates 27 have built-in coil springs 30 and are rotatably connected to the side wall of the opening 7. Both second insulation plates 27 are provided with semi-circular grooves 28 to adapt to the diameter of the threaded rod 20.

[0042] After the stress test of the aerated concrete blocks is completed, they are placed vertically on the side of the placement frame 21. The drive motor 24 is activated, driving the pulley to rotate the threaded rod 20, causing the lifting block 19 to descend along the threaded rod 20. Meanwhile, the second sliding block 22 slides downwards along the first insulation plate 17 and the inner wall of the test furnace 6, lowering the placement frame 21 into the test furnace 6. During the descent of the placement frame 21, upon contact with the second insulation plate 27, it is driven to swing downwards until the placement frame 21 is completely lowered into the test furnace 6. At this point, the second insulation plate 27 is slightly shaken by the spring 30 and becomes flush with the top surface of the test furnace 6. The drive motor 24 stops rotating, suspending the lifting block 19 in front of the flamethrower 18. The flamethrower 18 is then activated to burn the aerated concrete blocks, completing the burning process within 15 minutes. After a certain period of stillness, to prevent excessive temperature from affecting the observation by the staff, the blocks are allowed to stand still. Restart the drive motor 24 to reverse, and use the above principle to raise the placement frame 21 to the top of the detection table 1. Observe whether there is any cracking in the aerated concrete block. If there is no cracking, it meets the standard.

[0043] In addition, both the first insulation board 17 and the second insulation board 27 are nano-insulation boards. Nano-insulation boards are a type of high-efficiency high-temperature insulation material with extremely low thermal conductivity, and their insulation performance is several times better than that of traditional fiber-based insulation materials. The first insulation board 17 prevents heat dissipation from the opening during the heating process of the flamethrower 18, which could affect the surrounding environment of the testing table 1 and thus impact work. Two second insulation boards 27 are installed at the opening 7.

[0044] Preferably, the top surface of the testing table 1 is provided with a nozzle 23 to spray cooling liquid onto the placement frame 21.

[0045] Sprayer head 23 is connected to an external water source. When the placement frame 21 is raised to the top of the testing table 1, water is sprayed through sprayer head 23 to cool it down, so as to avoid affecting the surrounding environment temperature and affecting the work of the staff.

[0046] Preferably, the bottom of the test furnace 6 is provided with a flue gas collector 29.

[0047] The flue gas collector 29 adopts the BJ-HYJ-3000 model to receive the flue gas generated during the combustion process of the test furnace 6, ensuring carbon dioxide emission standards and protecting the atmospheric environment.

[0048] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A multifunctional aerated concrete block quality testing device, characterized in that, include: A testing table, the top surface of which is provided with a protrusion, the top surface of which is provided with an electric cylinder, the output end of which is provided with multiple branch testing heads, the side of which is provided with a support block, the side of which is provided with a clamping component with a hollow center, and the testing head is opposite to the clamping component; The bottom surface of the testing table is provided with a test furnace, and the top surface of the test furnace is provided with an opening that connects to the top surface of the testing table. A lifting mechanism is provided inside the test furnace that moves up and down through the opening and the top surface of the testing table. The bottom surface of the testing table is provided with a drive unit that drives the drive end of the lifting mechanism.

2. The multifunctional aerated concrete block quality testing device according to claim 1, characterized in that, The clamping assembly includes a right-angle fixing block and a right-angle moving block. The support block has a built-in sliding cavity. The right-angle moving block has a first sliding block on its side that extends into the sliding cavity and is slidably connected to its side wall. The bottom surface of the first sliding block is connected to a first telescopic spring. The other end of the first telescopic spring is connected to the bottom surface of the sliding cavity. The right-angle fixing block is located below the right-angle moving block and is fixedly connected to the side of the support block. The support block has a first measuring mark on its side.

3. The multifunctional aerated concrete block quality testing device according to claim 2, characterized in that, The right-angle moving block has a fixed measuring plate on one side and a moving measuring plate on the other side. A second telescopic spring is provided inside the right-angle moving block. The moving measuring plate extends into the right-angle moving block and is connected to the second telescopic spring, and slides left and right inside the moving measuring plate. The right-angle moving block has a second measuring mark on its front.

4. The multifunctional aerated concrete block quality testing device according to claim 1, characterized in that, The bottom surface of the test furnace is provided with a first vertically upward heat insulation plate to isolate the lifting mechanism, and a flamethrower is provided on the other side of the test furnace to be aimed at the top of the lifting mechanism.

5. The multifunctional aerated concrete block quality testing device according to claim 4, characterized in that, The lifting mechanism includes a lifting block, a threaded rod, and a placement frame. The lifting block is sleeved on the outer periphery of the threaded rod. The placement frame is provided on the top surface of the lifting block, and a second sliding block is provided at the bottom, which slides on the side of the first insulation board and the inner side wall of the test furnace respectively. The other end of the threaded rod is rotatably connected to the bottom surface of the test furnace, and the bottom of the threaded rod is connected to the driving part. The placement frame moves up and down through the opening and the top surface of the testing table via the lifting block.

6. The multifunctional aerated concrete block quality testing device according to claim 5, characterized in that, The top surface of the testing table is equipped with a nozzle that sprays cooling liquid onto the placement frame.

7. A multifunctional aerated concrete block quality testing device according to claim 5, characterized in that, The drive unit includes a drive motor, which is disposed on the bottom surface of the testing table. Its output end is vertically connected to a rotating rod. The bottom of the rotating rod passes through the side of the test furnace and is connected to the bottom of the threaded rod via a transmission pulley.

8. The multifunctional aerated concrete block quality testing device according to claim 1, characterized in that, The opening is provided with two second insulation panels, and the second insulation panels have built-in coil springs that are rotatably connected to the side wall of the opening.

9. A multifunctional aerated concrete block quality testing device according to claim 1, characterized in that, The experimental furnace is equipped with a flue gas collector at the bottom.

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