CN207585705U - A kind of can monitor in real time is poured by the device of note medium grouting amount - Google Patents

Abstract

The utility model relates to a device capable of real-time monitoring of the amount of grout injected into an injected medium, which belongs to the technical field of rock engineering. The grouting test device includes a pressure supply device, a slurry storage container, a test chamber, an electronic balance, and a high-definition digital camera. The slurry outlet in the center of the bottom is connected to the grouting pipe of the test box through the infusion pipeline. The test box is set on the electronic balance, and the high-definition digital camera is set in front of the test box. The test results obtained by using the test device of the utility model can not only establish the quantitative relational expression of the grouting quantity, quality and volume of the injected medium in the whole infiltration grouting process, and the grouting time, but also can analyze the accuracy and reliability. The prediction model of the amount of grout injected into the injected medium by permeable grouting can provide theoretical support for the practice of grouting engineering.

Description

A device capable of real-time monitoring of the amount of grout injected into the injected medium

technical field

The utility model relates to a device capable of real-time monitoring of the amount of grout injected into an injected medium, which belongs to the technical field of rock engineering.

Background technique

In engineering practice in the fields of geological engineering, mining engineering and geotechnical engineering, grouting is a very widely used reinforcement, water blocking and anti-seepage technology. Infiltration grouting is the earliest geotechnical construction technology used in the field of grouting. Because it has little disturbance to the injected medium or material during the grouting process, it has been widely used in these engineering fields. application, and achieved good engineering results.

However, the current grouting theory is far behind the actual engineering practice, and the theoretical value of the grouting parameters calculated by the current theory is far greater than the actual value in the grouting engineering practice. Therefore, it is difficult to meet the needs of engineering practice and ensure the actual grouting Therefore, the study of grouting theory must be strengthened. The model test method is a common method and an important means to study the infiltration grouting theory at present. The model test can more comprehensively and truly simulate the actual grouting environment of rock and soil, and can provide a theoretical basis for establishing a new infiltration grouting theory and model. .

At present, many permeation grouting tests have been carried out at home and abroad, but the existing test devices not only did not consider the dynamic change of the grouting volume of the injected medium during the whole test process, but also could not obtain the infiltration rate more accurately. The total grouting volume of the injected medium, thus, the lack of effective theory in practical grouting engineering to guide the design of the grouting volume injected into the injected medium.

Utility model content

The utility model aims at the problems existing in the prior art, and provides a device capable of real-time monitoring of the grouting amount of the injected medium. The results obtained by using the test device of the utility model to carry out tests can not only establish the grouting process of the entire permeation grouting process Quantitative relationship between the quality and volume of the grouting volume of the injected medium and the grouting time, and can analyze the prediction model of the grouting volume injected into the injected medium by infiltration grouting with high accuracy and reliability, which can be used for grouting engineering Practice provides theoretical support.

The technical scheme that the utility model adopts for solving its technical problem is:

A device capable of real-time monitoring of the amount of grout injected into the injected medium, including a pressure supply device, a slurry storage container, a test box, an electronic balance, and a high-definition digital camera. The air hole at the center of the top of the device is connected, and the slurry outlet at the center of the bottom of the slurry storage container is connected with the grouting pipe of the test chamber through the infusion pipe. The grouting pipe is fixed vertically at the center of the top wall of the test chamber and extends downward into the test chamber , the lower end of the test box is provided with a bottom connection plate, and a weighing balance plate is fixedly connected under the bottom connection plate. The test box is set on the electronic balance through the bottom connection plate and the weighing balance plate, and the high-definition digital camera is placed in front of the test box ;

A pressure reducer is installed at the outlet of the pressure supply device, and the pressure reducer communicates with the air hole at the top center of the slurry storage container through the pressure delivery pipeline; the pressure reducer is equipped with a pressure gauge and a grouting control switch;

The slurry storage container is a cylindrical airtight steel drum, and the slurry storage container is set in a circular steel support frame, and the bottom center of the slurry storage container is provided with a slurry outlet;

The test chamber is a cylindrical tempered glass barrel with an upper opening, and the cylindrical tempered glass barrel is integrally formed. The outer edge of the bottom wall of the tempered glass barrel is provided with a wing plate integrally formed with the bottom wall, and the wing plate and the bottom connecting plate pass through The bolts are fixedly connected, and the joint between the wing plate and the bottom connecting plate is covered with a rubber sealing ring;

The precision of the electronic balance is 1g.

The beneficial effects of the utility model:

(1) The high-definition digital camera in this utility model takes pictures of the whole test process, and monitors the changes of the electronic scale in real time throughout the whole process. The electronic scale can not only monitor the dynamic change law of the quality of the grouting volume poured into the injected medium in real time during the whole grouting process, but divide it by the density of the grouting liquid to obtain the change characteristics of the volume of the grouted volume poured into the injected medium; Moreover, the total amount of grout poured into the injected medium can be obtained more accurately;

(2) The test device of the present utility model can monitor in real time the dynamic change law of the mass and volume of the grouting quantity poured into the injected medium in the whole process of infiltration grouting; The amount of grouting; the test device of the utility model has the advantages of simple structure, convenient installation and disassembly, repeated use for many times, low cost and reliable use.

Description of drawings

Fig. 1 is a structural schematic diagram of a device for real-time monitoring of the amount of grout poured into the injected medium in an embodiment;

Fig. 2 is the top view of embodiment test box;

In the figure: 1-pressure supply device; 2-pressure reducer; 3-pressure delivery pipeline; 4-slurry storage container; 5-grouting fluid; 6-circular steel support frame; 7-transfusion pipeline; 8-injection Slurry pipe; 9-injected medium; 10-test box; 11-bolt; 12-bottom connecting plate; 13-weighing balance plate; 14-electronic balance; 15-high-definition digital camera.

Detailed ways

Below in conjunction with specific embodiment, the utility model is further described.

Embodiment 1: As shown in Figures 1-2, a device capable of real-time monitoring of the amount of grout poured into the injected medium, including a pressure supply device 1, a slurry storage container 4, a test chamber 10, an electronic balance 14, and a high-definition digital camera Instrument 15, the outlet end of the pressure supply device 1 communicates with the vent hole at the top center of the slurry storage container 4 through the pressure delivery pipeline 3, and the slurry outlet end at the center of the bottom of the slurry storage container 4 connects with the grouting pipe of the test chamber 10 through the infusion pipeline 7 8 connected, the injected medium 9 is piled up in the test box 10, the grouting pipe 8 is fixed vertically at the center of the top wall of the test box 10 and extends downward into the test box 10, the lower end of the test box 10 is provided with a bottom connecting plate 12, The bottom connection plate 12 is fixedly connected with a weighing balance plate 13, the test box 10 is arranged on the electronic balance 14 through the bottom connection plate 12 and the weighing balance plate 13, and the high-definition digital camera 15 is arranged in front of the test box 10; The digital camera 15 can take pictures of the whole process of the penetration test, and monitor the dynamic changes of the electronic balance 14 in real time throughout the whole process;

The outlet end of the pressure supply device 1 is provided with a pressure reducer 2, and the pressure reducer 2 communicates with the air hole at the center of the top end of the slurry storage container 4 through the pressure delivery pipeline 3; the pressure reducer 2 is provided with a pressure gauge, Grouting control switch;

The slurry storage container 4 is a cylindrical airtight steel drum. The slurry storage container 4 is arranged in a circular steel support frame 6. The bottom center of the slurry storage container 4 is provided with a slurry outlet. Grouting fluid 5;

The test box 10 is a cylindrical toughened glass barrel with an upper opening. The cylindrical tempered glass barrel has an integrated structure. The outer edge of the bottom wall of the toughened glass barrel is provided with a wing plate integrally formed with the bottom wall. The wing plate and the bottom connecting plate 12 pass through The bolts 11 are fixedly connected, the joint between the wing plate and the bottom connecting plate 12 is covered with a rubber sealing ring, and the test box 10 is used to accumulate the injected medium 9;

The electronic balance 14 has an accuracy of 1g.

The specific embodiments of the utility model have been described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned embodiments. Various changes are made.

Claims (3)

1. A device capable of real-time monitoring of the amount of grout poured into the injected medium, characterized in that it includes a pressure supply device, a slurry storage container, a test chamber, an electronic balance, and a high-definition digital camera, and the outlet end of the pressure supply device passes through a The pressure pipe is connected with the vent hole at the top center of the slurry storage container device, and the slurry outlet end at the bottom center of the slurry storage container is connected with the grouting pipe of the test chamber through the infusion pipe, and the grouting pipe is vertically fixed at the center of the top wall of the test chamber and Extending down to the test chamber, the lower end of the test chamber is provided with a bottom connection plate, and a weighing balance board is fixedly connected under the bottom connection plate. The test chamber is set on the electronic balance through the bottom connection plate and the weighing balance board. In front of the test box; A pressure reducer is installed at the outlet of the pressure supply device, and the pressure reducer communicates with the air hole at the top center of the slurry storage container through the pressure delivery pipeline; the pressure reducer is equipped with a pressure gauge and a grouting control switch; The slurry storage container is a cylindrical airtight steel drum, and the slurry storage container is arranged in a circular steel support frame, and a slurry outlet is arranged at the center of the bottom of the slurry storage container. 2. The device capable of real-time monitoring of the amount of grout poured into the injected medium according to claim 1, characterized in that: the test chamber is a cylindrical toughened glass bucket with an upper opening, and the cylindrical toughened glass bucket is an integrally formed structure, tempered The outer edge of the bottom wall of the glass bucket is provided with a wing plate integrally formed with the bottom wall, the wing plate and the bottom connecting plate are fixedly connected by bolts, and the joint between the wing plate and the bottom connecting plate is covered with a rubber sealing ring. 3. The device capable of real-time monitoring of the amount of grout poured into the injected medium according to claim 1, characterized in that the accuracy of the electronic balance is 1g.