Real-time monitoring equipment in terrace mortar material curing process

Abstract

The utility model belongs to the field of building material detection, and relates to real-time monitoring equipment in a terrace mortar material curing process. Comprising a data acquisition computer and a multi-path concentrator, and the data acquisition computer is connected with a plurality of stretching test piece forming units or / and warping test piece forming units through the multi-path concentrator. The stretching test piece forming unit comprises a groove-shaped test piece forming shell, the left end of the test piece forming shell is connected with a fixed support and a limiting support, a digital display dial indicator is fixed on the fixed support, a horizontal through hole is formed in the limiting support, a displacement detection needle is limited in the through hole, and the displacement detection needle is fixed on the limiting support. One end of the displacement detection needle is in contact connection with a detection needle head of the digital display dial indicator, the other end of the displacement detection needle is immersed into the mortar test piece, three temperature induction thermocouples are uniformly mounted in the middle of the test piece forming shell, and the right end of the test piece forming shell is connected with a test piece tail end baffle.

Description

Technical Field

[0001] The utility model belongs to the field of building material testing, and relates to a real-time monitoring device during the curing process of floor mortar materials, specifically to a real-time monitoring device for the temperature change, major axis dimension change, and warping change of materials during the whole process of the curing reaction of floor mortar materials. Background Art

[0002] After the floor mortar material is paved, heat is generated and dimensional changes occur during the curing reaction of the mortar material. Excessive dimensional changes can cause adverse effects such as cracking and hollowing of the paved material. By monitoring the temperature change amount and material dimension change amount during the curing process of the material, the R & D process of floor mortar materials can be well guided, so that more excellent raw materials and ratios can be selected to achieve the most stable and high-quality floor materials. Content of the Utility Model

[0003] The purpose of the utility model is to provide a real-time monitoring device during the curing process of floor mortar materials. Using this device, the material temperature and major axis dimension change or / and the material temperature and material warping change during the curing reaction of floor mortar can be measured. The major axis dimension change and warping change are separately tested in different forming units. This device can be used for the R & D work of floor materials.

[0004] The real-time monitoring device during the curing process of the floor mortar material provided by the utility model includes a data acquisition computer and a multi-channel hub. The data acquisition computer is connected to a plurality of test pieces forming units for measuring expansion and contraction or / and test pieces forming units for measuring warping through the multi-channel hub.

[0005] The multi-channel hub uses similar components such as the 8-channel hub 5010 - 411.

[0006] The digital display micrometer uses similar components such as the model CVQ - 612F.

[0007] The utility model has the following characteristics and beneficial effects:

[0008] (1) The floor material testing device of the utility model can simultaneously detect up to 8 groups of material samples, which is convenient for comparative analysis under the same conditions.

[0009] (2) The floor material testing device of the utility model has accurate measurement. The detection accuracy of the major axis dimension change can reach 0.01 mm, and the detection accuracy of the temperature change can reach 0.1 °C.

[0010] (3) The floor material testing device of the utility model can collect multiple groups of data, which is convenient for further centralized analysis and has simple operation. Description of the Drawings

[0011] Figure 1It is a schematic structural diagram of the forming unit for the telescopic test piece;

[0012] Figure 2 It is a schematic structural diagram of the forming unit for the warping test piece;

[0013] Figure 3 It is a schematic overall structural diagram of the real-time monitoring device during the curing process of the floor mortar material.

[0014] In the figure: 1 - digital display micrometer, 2 - fixed support, 3 - displacement detection needle, 4 - limiting support, 5 - test piece forming outer shell, 6 - temperature induction thermocouple, 7 - test piece fixing buckle, 8 - test piece tail end baffle, 9 - fixed hole position; 10 - vertical mounting plate, 11 - data acquisition computer, 12 - multi-channel hub. Specific implementation manners

[0015] The technical solutions and beneficial effects of the present utility model will be described in detail below in combination with specific implementation manners. However, those skilled in the art will understand that the following specific implementation manners are only used to illustrate the present utility model and should not be regarded as limiting the scope of the present utility model.

[0016] See Figure 3 , the real-time monitoring device during the curing process of the floor mortar material provided by the present utility model includes a data acquisition computer 11 and a multi-channel hub 12. The data acquisition computer 11 is connected to a plurality of forming units for telescopic test pieces or / and forming units for warping test pieces through the multi-channel hub 12.

[0017] As Figure 1 shown, the forming unit for the telescopic test piece includes a trough-shaped test piece forming outer shell 5. The left end of the test piece forming outer shell 5 is connected with a fixed support 2 and a limiting support 4. The digital display micrometer 1 is fixed on the fixed support 2. There is a through hole in the horizontal direction on the limiting support 4, and the displacement detection needle 3 is limited in the through hole. One end of the displacement detection needle 3 is in contact connection with the detection needle head of the digital display micrometer 1, and the other end is immersed in the mortar test piece. Three temperature induction thermocouples 6 are evenly installed in the middle of the test piece forming outer shell 5. The right end of the test piece forming outer shell 5 is connected with a test piece tail end baffle 8.

[0018] As a preference, a test piece fixing buckle 7 is further fixed on the test piece forming outer shell 5 near the test piece tail end baffle 8. One end of the test piece fixing buckle 7 is immersed in the mortar test piece to prevent the mortar test piece from moving.

[0019] As Figure 2As shown in the figure, the warpage measurement specimen forming unit includes a channel-shaped specimen forming housing 5. At the left end of the specimen forming housing 5, there is a vertical mounting plate 10. A fixed support 2 and a limiting support 4 are connected to the vertical mounting plate 10. A digital display micrometer 1 is fixed on the fixed support 2. There is a through hole in the vertical direction on the limiting support 4, and a displacement detection needle 3 is limited in the through hole. One end of the displacement detection needle 3 is in contact connection with the detection needle head of the digital display micrometer 1, and the other end is immersed in the mortar specimen. Three temperature induction thermocouples 6 are evenly installed in the middle of the specimen forming housing 5. The right end of the specimen forming housing is connected with a specimen tail end baffle 8.

[0020] As a preference, a specimen fixing buckle 7 is also fixed on the specimen forming housing 5 near the specimen tail end baffle 8. One end of the specimen fixing buckle is immersed in the mortar specimen to prevent the mortar specimen from moving.

[0021] In the described expansion measurement specimen forming unit and warpage measurement specimen forming unit, the digital display micrometer and the temperature induction thermocouple are electrically connected to a data acquisition computer through a multi-channel hub.

[0022] The displacement detection needle 3 is made of 304 hard stainless steel, with a thickness of 9.5 mm and a length of 150 mm.

[0023] The specimen forming housing 5 is made of stainless steel.

[0024] When detecting the temperature and the change of the long axis dimension during the curing of the mortar, Figure 1 Assemble the expansion measurement specimen forming unit. Before pouring the stirred mortar, lay a plastic film with a thickness of 0.5 mm in the specimen forming housing 5 made of high-quality stainless steel to reduce the friction between the mortar and the steel mold. Place a light foam cushion inside the limiting support 4 to leave space for the dimensional change of the mortar specimen. The digital display micrometer 1 is fixed on the fixed support 2 to prevent the digital display micrometer 1 from moving. The displacement detection needle 3 passes through the limiting support 4 and can slide left and right without restriction. The detection needle head of the digital display micrometer is in contact with one end of the displacement detection needle 3. The limiting support 4 is fixed on the specimen forming housing 5 with a wing nut. After fixing the specimen tail end baffle 8 with the wing nut through the fixing hole position 9, pour the stirred mortar. The other end of the displacement detection needle 3 is immersed in the mortar. The temperature induction thermocouples 6 are evenly distributed in three parts of the mortar specimen. The specimen fixing buckle 7 is fixed on the specimen forming housing 5 with a wing nut, and the other end is immersed in the mortar specimen to prevent the mortar specimen from moving. Turn on the data acquisition computer 11, and the experimental data can be collected.

[0025] When detecting the temperature change and warpage change during the curing of the mortar, according to Figure 2The assembled mortar specimen forming unit, the vertical mounting plate 10 is fixed on the specimen forming outer shell 5, the digital display micrometer 1, the fixed support 2, the displacement detection needle 3, and the limiting support 4 are installed on the vertical mounting plate 10. One end of the displacement detection needle 3 is immersed in the mortar specimen, and the other end is in contact with the detection needle head of the digital display micrometer 1. The remaining experimental steps are the same as those for detecting the temperature and expansion / contraction changes during the curing of the floor.

[0026] Set the data acquisition interval time in the data acquisition computer, and run it to automatically record and save the monitoring data. R & D personnel can adjust the mortar mix ratio, etc. according to the data.

[0027] Although the present utility model has been described in detail with general descriptions and specific implementation manners in the above text, based on the present utility model, some modifications or improvements can be made, which are obvious to those skilled in the art. Therefore, these modifications or improvements made without departing from the spirit of the present utility model all fall within the scope of protection required by the present utility model.

Claims

1. A real-time monitoring device for the curing process of floor mortar material, characterized in that: It comprises a data acquisition computer (11) and a multi-channel hub (12), wherein the data acquisition computer (11) is connected to a plurality of stretch test piece forming units and / or warpage test piece forming units via the multi-channel hub (12); The telescopic test specimen molding unit comprises a slot-shaped test specimen molding shell (5), the left end of the test specimen molding shell (5) is connected to a fixed support (2) and a limiting support (4), a digital dial gauge (1) is fixed on the fixed support (2), a horizontal through hole is provided on the limiting support (4), a displacement detection needle (3) is limited in the through hole, one end of the displacement detection needle (3) is in contact with the detection needle head of the digital dial gauge (1), and the other end is immersed in the mortar test specimen, three temperature sensing thermocouples (6) are evenly installed in the middle of the test specimen molding shell (5), and the right end of the test specimen molding shell (5) is connected to a test specimen tail end baffle (8); The warpage test specimen molding unit comprises a slot-shaped test specimen molding shell (5), a vertical mounting plate (10) is provided at the left end of the test specimen molding shell (5), a fixed support (2) and a limiting support (4) are connected to the vertical mounting plate (10), a digital dial gauge (1) is fixed to the fixed support (2), a vertical through hole is provided on the limiting support (4), a displacement detection needle (3) is limited in the through hole, one end of the displacement detection needle (3) is in contact with the detection needle head of the digital dial gauge (1), and the other end is immersed in the mortar test specimen, three temperature sensing thermocouples (6) are evenly installed in the middle of the test specimen molding shell (5), and a test specimen tail end baffle (8) is connected to the right end of the test specimen molding shell.

2. The real-time monitoring device according to claim 1, characterized in that: The specimen forming shell (5) is also fixed with a specimen fixing buckle (7) at a position close to the specimen tail end baffle (8).

3. The real-time monitoring device according to claim 1, characterized in that: In the stretch test piece forming unit and the warpage test piece forming unit, the digital display micrometer and the temperature sensing thermocouple are electrically connected to the data acquisition computer through a multi-channel hub.

4. The real-time monitoring device according to claim 1, characterized in that: The displacement detection needle (3) is made of 304 hard stainless steel and has a thickness of 9.5 mm and a length of 150 mm.

5. The real-time monitoring device according to claim 1, characterized in that: The specimen forming shell (5) is made of stainless steel.

6. The real-time monitoring device according to claim 1, characterized in that: The multi-way hub adopts an 8-way hub 5010-411.

7. The real-time monitoring device according to claim 1, characterized in that: The digital micrometer is of model CVQ-612F.

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