Device for detecting water content of autoclaved aerated concrete block

Abstract

The autoclaved aerated concrete block water content detection device comprises a workbench, an upper top plate, a supporting rod, a mounting table and a water content detection mechanism, and the water content detection mechanism comprises a double-shaft motor, a lead screw, a moving rod, an electrode plate, a spring wire, a current transformer, a battery pack, a main control unit and a display screen. After the autoclaved aerated concrete block is placed on the mounting table, the double-shaft motor drives the screw rod to rotate, and the moving rod converts the rotary motion of the double-shaft motor into linear motion and drives the electrode plate to stably abut against the outer wall of the autoclaved aerated concrete block. At the moment, the battery pack and the autoclaved aerated concrete block form a loop through the spring wire and the electrode plate, the current transformer can detect the value of current flowing through the spring wire, the main control unit converts the current value into resistance and then evaluates the water content of the autoclaved aerated concrete block, and rapid detection of the water content can be achieved. And the measurement result is accurate, and the method is suitable for autoclaved aerated concrete blocks with different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete product processing, in particular to a device for detecting the moisture content of autoclaved aerated concrete blocks. Background Art

[0002] As a lightweight and thermally insulating building material, autoclaved aerated concrete blocks have excellent physical and mechanical properties, thermal insulation properties and good processing properties. They are widely used in the construction industry. During the preparation of autoclaved aerated concrete blocks, if there is no good moisture control and isolation, the prepared autoclaved aerated concrete blocks may contain more moisture. More moisture will reduce the compressive strength of the autoclaved aerated concrete blocks, affect the expansion properties of the autoclaved aerated concrete blocks, and thus affect the thermal insulation properties. Therefore, after the preparation of the autoclaved aerated concrete blocks, it is necessary to control the moisture content of the autoclaved aerated concrete blocks. The moisture content of autoclaved aerated concrete blocks is detected by the drying method. When the moisture content is high, the blocks are dried in time. At present, the moisture content of autoclaved aerated concrete blocks is commonly detected by the drying method. The moisture content of the autoclaved aerated concrete blocks can be obtained by subtracting the weight of the blocks before and after drying. The drying method is time-consuming and the measurement results are inaccurate. Another measurement method is the resistance method. The moisture content is evaluated by measuring the resistance value of the autoclaved aerated concrete blocks after power is applied. However, when using the current resistance method for measurement, the electrodes cannot stably contact the autoclaved aerated concrete blocks and are prone to falling off, resulting in inaccurate moisture content detection results. Utility Model Content

[0003] In view of this, the utility model proposes a moisture content detection device for autoclaved aerated concrete blocks, which can ensure that the electrode sheet is in stable contact with the surface of the autoclaved aerated concrete block, and the position of the electrode sheet can be adjusted to suit different autoclaved aerated concrete blocks, thereby reducing production costs.

[0004] The technical solution of the present utility model is achieved as follows:

[0005] A device for detecting moisture content of autoclaved aerated concrete blocks, comprising a workbench, an upper top plate, a support rod, a mounting platform and a moisture content detection mechanism, wherein the upper top plate is located above the workbench, the support rod is connected to the bottom surface of the upper top plate and the top surface of the workbench, and the mounting platform is arranged on the top surface of the workbench; the moisture content detection mechanism comprises a dual-axis motor, a screw rod, a moving rod, an electrode sheet, a spring wire, a current transformer, a battery pack, a main control unit and a display screen, the dual-axis motor is arranged on the bottom surface of the upper top plate, the output shaft of the dual-axis motor is connected to the end of the screw rod, the top surface of the moving rod is slidably connected to the bottom surface of the upper top plate, the screw rod passes through the moving rod and is screwed to the moving rod, the electrode sheet is arranged on the side walls opposite to the moving rod, the battery pack is arranged on the bottom surface of the dual-axis motor, the spring wire connects the battery pack and the electrode sheet, the current transformer is arranged on the side wall of the moving rod, the spring wire passes through the current transformer, the display screen and the main control unit are arranged on the top surface of the upper top plate, and the main control unit is electrically connected to the dual-axis motor, the current transformer and the display screen respectively.

[0006] Preferably, the water content detection mechanism further comprises a bearing, which is relatively arranged on the bottom surface of the upper top plate, and the end of the screw rod away from the dual-axis motor is connected to the bearing.

[0007] Preferably, a T-shaped slider is provided on the top of the movable rod, a T-shaped slide groove is provided on the bottom surface of the upper top plate, and the T-shaped slider is located in the T-shaped slide groove.

[0008] Preferably, the support rod includes a sleeve, a lifting rod and an electric push rod. The sleeve is arranged on the top surface of the workbench, and the electric push rod is arranged in the sleeve. The top end of the lifting rod is connected to the bottom surface of the upper top plate, and its bottom end extends into the sleeve and is connected to the output shaft of the electric push rod. The main control unit is electrically connected to the electric push rod.

[0009] Preferably, the mounting table includes a base, an electric turntable and a placement table, the base is arranged on the top surface of the workbench, the electric turntable is arranged on the top surface of the base, its rotating surface is connected to the bottom surface of the placement table, and the main control unit is electrically connected to the electric turntable.

[0010] Preferably, it further comprises an anti-skid pad, which is arranged on the bottom surface of the workbench.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] ① After placing the autoclaved aerated concrete block on the mounting platform, the electrode sheet can be placed against the outer wall of the autoclaved aerated concrete block. The battery pack can form a loop through the electrode sheet and the autoclaved aerated concrete block. The current in the loop can be collected by the current transformer, and the moisture content is displayed on the display after calculation by the main control unit, realizing rapid detection of moisture content;

[0013] ② The electrode sheet is set on the moving rod, and the dual-axis motor can drive the screw to rotate. After the moving rod converts the rotational motion of the screw into linear motion, it can drive the electrode sheet to move, so that the electrode sheet can stably abut against the outer wall of the autoclaved aerated concrete block, ensuring the accuracy of the current data collection results and avoiding problems such as the electrode sheet falling off and causing errors in the test results;

[0014] ③The interval between the electrode sheets can be adjusted, so it can be applied to autoclaved aerated concrete blocks of different sizes, reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only preferred embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 This is a structural schematic diagram of a device for detecting moisture content in autoclaved aerated concrete blocks according to the present invention;

[0017] Figure 2 This is a schematic diagram of the connection structure between the moving rod and the upper top plate of a device for detecting moisture content in autoclaved aerated concrete blocks according to the present invention;

[0018] Figure 3 This is a schematic structural diagram of a support rod of a device for detecting moisture content in autoclaved aerated concrete blocks according to the present invention;

[0019] In the figure, 1. workbench; 2. upper plate; 3. support rod; 4. mounting table; 5. dual-axis motor; 6. lead screw; 7. moving rod; 8. electrode sheet; 9. spring wire; 10. current transformer; 11. battery pack; 12. main control unit; 13. display screen; 14. bearing; 15. T-shaped slider; 16. T-shaped slide; 17. sleeve; 18. lifting rod; 19. electric push rod; 20. base; 21. electric turntable; 22. placement table; 23. anti-slip pad. DETAILED DESCRIPTION

[0020] In order to better understand the technical content of the present invention, a specific embodiment is provided below, and the present invention is further described in conjunction with the accompanying drawings.

[0021] See also Figures 1 to 3The utility model provides a device for detecting moisture content of autoclaved aerated concrete blocks, comprising a workbench 1, an upper plate 2, a support rod 3, a mounting platform 4, and a moisture content detection mechanism. The upper plate 2 is located above the workbench 1, the support rod 3 connects the bottom surface of the upper plate 2 and the top surface of the workbench 1, and the mounting platform 4 is arranged on the top surface of the workbench 1; the moisture content detection mechanism comprises a dual-axis motor 5, a screw rod 6, a moving rod 7, an electrode sheet 8, a spring wire 9, a current transformer 10, a battery pack 11, a main control unit 12, and a display screen 13. The dual-axis motor 5 is arranged on the bottom surface of the upper plate 2, and its output shaft is connected to the screw rod 6. 6 ends are connected, the top surface of the moving rod 7 is slidably connected to the bottom surface of the upper top plate 2, the screw rod 6 passes through the moving rod 7 and is screwed to the moving rod 7, the electrode sheet 8 is arranged on the side wall opposite to the moving rod 7, the battery pack 11 is arranged on the bottom surface of the dual-axis motor 5, the spring wire 9 connects the battery pack 11 and the electrode sheet 8, the current transformer 10 is arranged on the side wall of the moving rod 7, the spring wire 9 passes through the current transformer 10, the display screen 13 and the main control unit 12 are arranged on the top surface of the upper top plate 2, and the main control unit 12 is electrically connected to the dual-axis motor 5, the current transformer 10 and the display screen 13 respectively.

[0022] The utility model discloses a device for detecting moisture content of autoclaved aerated concrete blocks, which uses a resistance method to detect moisture content. After placing the autoclaved aerated concrete block on a mounting table 4, a dual-axis motor 5 is started, which drives the screw rods 6 on both sides to rotate. The moving rod 7 is screwed to the screw rod 6, and the rotational motion of the screw rod 6 can be converted into linear motion. Since the electrode sheet 8 is connected to the battery pack 11 through a spring wire 9, the moving rod 7 drives the electrode sheet 8 to move. Finally, the electrode sheet 8 can be tightly attached to the outer wall of the autoclaved aerated concrete block to ensure stable contact with the autoclaved aerated concrete block. The battery pack 11 Electric energy can be transmitted to the electrode sheet 8 through the spring wire 9, and transmitted back to the other pole of the battery pack 11 after passing through the autoclaved aerated concrete block. After forming a loop, the current transformer 10 can collect the current data in the spring wire 9 and transmit it to the main control unit 12. The main control unit 12 can calculate the resistance value according to the current size, and calculate the moisture content of the autoclaved aerated concrete block based on the resistance value. Finally, the moisture content is displayed on the display screen 13 for the inspection personnel to view. Then, by adjusting the angle and direction of the autoclaved aerated concrete block, multiple tests can be performed to ensure the accuracy of the test results.

[0023] Since the intervals between the electrode sheets 8 can be adjusted, the method can be applied to autoclaved aerated concrete blocks of different sizes, thereby reducing production costs.

[0024] Preferably, the water content detection mechanism further includes a bearing 14 , which is relatively arranged on the bottom surface of the upper top plate 2 , and the end of the screw rod 6 away from the dual-axis motor 5 is connected to the bearing 14 .

[0025] When the screw rod 6 rotates, its end portion can rotate under the support of the bearing 14 to ensure the stable movement of the moving rod 7.

[0026] Preferably, a T-shaped slider 15 is provided on the top of the moving rod 7 , a T-shaped slide groove 16 is provided on the bottom surface of the upper top plate 2 , and the T-shaped slider 15 is located in the T-shaped slide groove 16 .

[0027] When the moving rod 7 moves, the T-shaped slider 15 can move along the T-shaped slot 16 to prevent the moving rod 7 from shifting. At the same time, the T-shaped structure can achieve stable suspension of the moving rod 7.

[0028] Preferably, the support rod 3 includes a sleeve 17, a lifting rod 18 and an electric push rod 19. The sleeve 17 is arranged on the top surface of the workbench 1, and the electric push rod 19 is arranged in the sleeve 17. The top end of the lifting rod 18 is connected to the bottom surface of the upper top plate 2, and its bottom end extends into the sleeve 17 and is connected to the output shaft of the electric push rod 19. The main control unit 12 is electrically connected to the electric push rod 19.

[0029] The electric push rod 19 can drive the lifting rod 18 to move along the sleeve 17 to adjust the height of the upper top plate 2, so that the electrode sheet 8 can be raised and lowered to different heights to facilitate the measurement of the moisture content of the autoclaved aerated concrete blocks at different height positions to ensure the accuracy of the test results.

[0030] Preferably, the mounting table 4 includes a base 20, an electric turntable 21 and a placement table 22. The base 20 is arranged on the top surface of the workbench 1, the electric turntable 21 is arranged on the top surface of the base 20, and its rotating surface is connected to the bottom surface of the placement table 22. The main control unit 12 is electrically connected to the electric turntable 21.

[0031] In order to facilitate the moisture content detection of different side walls of the autoclaved aerated concrete blocks, the mounting platform 4 is configured into three sections, wherein the electric turntable 21 on the base 20 can drive the placement platform 22 to rotate, and the autoclaved aerated concrete blocks can be placed on the placement platform 22, and driven by the electric turntable 21, so that different side surfaces are located between the electrode sheets 8.

[0032] Preferably, it further includes an anti-slip pad 23 , which is arranged on the bottom surface of the workbench 1 .

[0033] The anti-slip pad 23 is used to improve the stability of the workbench 1 and ensure that the whole workbench will not deviate during the detection process.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A device for detecting moisture content of autoclaved aerated concrete blocks, characterized in that: The invention comprises a workbench, an upper top plate, a support rod, a mounting platform and a water content detection mechanism, wherein the upper top plate is located above the workbench, the support rod is connected to the bottom surface of the upper top plate and the top surface of the workbench, and the mounting platform is arranged on the top surface of the workbench; the water content detection mechanism comprises a dual-axis motor, a screw rod, a moving rod, an electrode sheet, a spring wire, a current transformer, a battery pack, a main control unit and a display screen, the dual-axis motor is arranged on the bottom surface of the upper top plate, and its output shaft is connected to the end of the screw rod, the top surface of the moving rod is slidably connected to the bottom surface of the upper top plate, the screw rod passes through the moving rod and is screwed to the moving rod, the electrode sheet is arranged on the side wall opposite to the moving rod, the battery pack is arranged on the bottom surface of the dual-axis motor, the spring wire connects the battery pack and the electrode sheet, the current transformer is arranged on the side wall of the moving rod, the spring wire passes through the current transformer, the display screen and the main control unit are arranged on the top surface of the upper top plate, and the main control unit is electrically connected to the dual-axis motor, the current transformer and the display screen respectively.

2. The device for detecting moisture content of autoclaved aerated concrete blocks according to claim 1, characterized in that: The water content detection mechanism further comprises a bearing, which is relatively arranged on the bottom surface of the upper top plate, and the end of the screw rod away from the dual-axis motor is connected to the bearing.

3. The device for detecting moisture content of autoclaved aerated concrete blocks according to claim 1, characterized in that: A T-shaped sliding block is provided at the top of the moving rod, a T-shaped sliding groove is provided on the bottom surface of the upper top plate, and the T-shaped sliding block is located in the T-shaped sliding groove.

4. The device for detecting moisture content of autoclaved aerated concrete blocks according to claim 1, characterized in that: The support rod includes a sleeve, a lifting rod and an electric push rod. The sleeve is arranged on the top surface of the workbench, and the electric push rod is arranged in the sleeve. The top end of the lifting rod is connected to the bottom surface of the upper top plate, and the bottom end thereof extends into the sleeve and is connected to the output shaft of the electric push rod. The main control unit is electrically connected to the electric push rod.

5. The device for detecting moisture content of autoclaved aerated concrete blocks according to claim 1, characterized in that: The mounting platform includes a base, an electric turntable and a placement platform. The base is arranged on the top surface of the workbench, the electric turntable is arranged on the top surface of the base, and its rotating surface is connected to the bottom surface of the placement platform. The main control unit is electrically connected to the electric turntable.

6. The device for detecting moisture content of autoclaved aerated concrete blocks according to claim 1, characterized in that: It also includes an anti-skid pad, which is arranged on the bottom surface of the workbench.

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