CN210071576U - Movable grout monitoring devices - Google Patents

Abstract

The utility model discloses a movable grouting monitoring device, which is provided with a portable trolley, a power distribution protection box and a measurement pipeline. The distribution protection box and the measurement pipeline are installed on the portable trolley; a density meter, an electromagnetic flowmeter and a pressure transmitter are provided. The thermal resistance is correspondingly installed on the measuring pipe, and the two ends of the measuring pipe are formed with quick joints connecting the two ends of the grouting hose and the two ends of the grout; this patent is based on the existing monitoring equipment. Assembled to form a set of mobile grouting monitoring device, this device uses automatic detection technology, electromagnetic induction technology and pressure mutual inductance technology to monitor key indicators such as grouting density, flow rate and pressure, and reorganize and refit each equipment to make it It has become an independent, complete set and integrated mobile monitoring device, which solves the problems of complicated installation and changeable location in the past.

Description

A mobile grouting monitoring device

technical field

The utility model relates to the related field of grouting monitoring equipment, in particular to a movable grouting monitoring device, in particular to the reorganization and modification of a density meter, a flow meter, a pressure transmitter and other equipment, so that it can be quickly and effectively applied to In the process of grouting construction monitoring, it can effectively save time and personnel costs.

Background technique

The quality control of grouting requires that the density, pressure, flow rate and other parameters meet the requirements before construction can be carried out. In the past grouting construction, individual equipment was used for the control of these parameters for installation and monitoring, and even some parameters were completely dependent on the experience of the construction personnel. Artificial quality control, not only the equipment installation is complicated, but also the installation is not centralized, which is inconvenient for management and collection, which adds a lot of workload to the grouting construction. Mobile grouting monitoring device.

Utility model content

Therefore, in order to solve the above deficiencies, the present utility model provides a mobile grouting monitoring device. Based on the existing monitoring equipment, each monitoring device is modified, upgraded and assembled to form a set of mobile grouting monitoring device. Automatic detection technology, electromagnetic induction technology and pressure mutual inductance technology respectively monitor key indicators such as grouting density, flow rate and pressure, and reorganize and refit each equipment to turn it into an independent, complete and integrated mobile monitoring device. It solves the problems of complicated installation and changeable location in the past.

The utility model is realized in this way, and a movable grouting monitoring device is constructed, which is characterized in that it has a portable trolley, a power distribution protective box and a measuring pipe made of metal pipe fittings, and the power distribution protective box and the measuring pipe are installed in the portable trolley. The trolley is integrated into one, which is conducive to the installation of subsequent monitoring instruments; the density meter, electromagnetic flowmeter, pressure transmitter, and thermal resistance are correspondingly installed on the measurement pipeline, and a data acquisition and data transmission module is installed in the power distribution protective box. The two ends of the pipeline are formed with quick joints connecting the two ends of the grout inlet and the grout outlet of the grouting hose.

The movable grouting monitoring device according to the utility model is characterized in that the portable trolley has its own handrail and mechanical brake.

The utility model has the following advantages: the utility model hereby provides a movable grouting monitoring device. Based on the existing monitoring equipment, each monitoring equipment is modified, upgraded and assembled to form a set of mobile grouting monitoring devices. Automatic detection technology, electromagnetic induction technology and pressure mutual inductance technology respectively monitor key indicators such as grouting density, flow rate and pressure, and reorganize and refit each equipment to turn it into an independent, complete and integrated mobile monitoring device. It solves the problems of complicated installation and changeable location in the past.

Description of drawings

Fig. 1 is the overall schematic diagram of the mobile grouting monitoring device of this patent.

Among them: portable trolley 1, density meter 2, electromagnetic flowmeter 3, pressure transmitter 4, thermal resistance 5, quick connector 6, handrail 7, power distribution protection box 8, measuring pipeline 9, mechanical brake 10.

Detailed ways

The present utility model will be described in detail below with reference to FIG. 1, and the technical solutions in the embodiments of the present utility model will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The utility model provides a mobile grouting monitoring device through improvement. Based on the existing monitoring equipment, each monitoring device is modified, upgraded and assembled to form a set of mobile grouting monitoring device. The device adopts automatic detection technology, electrical Magnetic induction technology and pressure mutual inductance technology respectively monitor key indicators such as grouting density, flow rate and pressure, and reorganize and refit each equipment to make it an independent, complete and integrated mobile monitoring device, which solves the complex installation in the past. , The problem of changing location.

This patent has a portable trolley 1, a power distribution protective box 8 and a measuring pipe 9 made of metal pipe fittings. The power distribution protective box 8 and the measuring pipe 9 are installed on the portable trolley 1 to form a whole, which is conducive to the installation of subsequent monitoring instruments; The meter 2, the electromagnetic flowmeter 3, the pressure transmitter 4, and the thermal resistance 5 are correspondingly installed on the measurement pipeline 9. A data acquisition and data transmission module is installed in the distribution protection box 8, and the two ends of the measurement pipeline 9 are formed with grouting. The quick connector 6 connected to the pulp inlet and pulp outlet ends of the hose.

Among them, the portable car 1 has its own handrail 7 and a mechanical brake 10 .

According to the changing working conditions of the construction site and the unfixed concrete conveying pipeline, the utility model adopts a movable measuring method, and a measuring pipeline is separately arranged. Mud slurry pipeline connection. The measurement sensor is installed on the measurement pipeline, and the power distribution and data processing equipment is installed in the distribution box. The measuring pipeline and distribution box are installed on the mobile trolley, which can be pushed, dragged, etc.

The following are the key equipment and features involved in the device:

1. Radioactive densitometer: This device adopts Ikofis radioactive densitometer, and the radioactive source Na-22 used belongs to the fifth category of exempted control in the Chinese national standard GB18871-2002 "Basic Standard for Ionizing Radiation Protection and Radiation Source Safety". The material is harmless to the human body, no pollution to the environment, and is not subject to monitoring by environmental protection, public security and other departments; its working principle is that the gamma rays generated by the radioactive source pass through the measured medium, part of the rays are absorbed by the medium, and the remaining part of the rays are controlled by the sensor According to the attenuation degree of gamma rays, the receiving controller calculates the change of the ionizing radiation flux, thus obtains the density of the measured medium, and outputs it in the form of 4-20mA current.

2. Electromagnetic flowmeter: The electromagnetic flowmeter is used for flow measurement, and its characteristics are as follows:

1) The measurement is not affected by changes in fluid density, viscosity, temperature, pressure and conductivity;

2) There are no obstructing flow parts in the measuring tube, no pressure loss, and low requirements for straight pipe sections. Unique adaptability to slurry measurement;

3) Reasonable selection of sensor lining and electrode materials, that is, good corrosion resistance and wear resistance; the range can reach 150:1;

4) The measurement accuracy is not affected by changes in fluid density, viscosity, temperature, pressure and conductivity. The sensor induced voltage signal has a linear relationship with the average flow rate, so the measurement accuracy is high.

5) There is no obstruction in the measurement pipeline, so there is no additional pressure loss; there are no moving parts in the measurement pipeline, so the sensor has a very long life;

6) Since the induced voltage signal is formed in the entire space full of magnetic field and is the average value on the pipeline surface, the straight pipe section required by the sensor is short, and the length is 5 times the pipe diameter;

7) Its working principle The principle of electromagnetic induction is applied, and the flow rate of the conductive fluid is measured according to the electromotive force induced by the conductive fluid passing through the external magnetic field. The measurement method is non-contact measurement, which is not applicable to the measured fluid.

3. Pressure transmitter: It is directly installed on the pipeline (flange or direct threaded connection), and the transmitter range is more than 1.5 times the common pressure, which has an anti-shock effect.

The movable grouting monitoring device of the utility model is easy to install, easy to maintain and more convenient: the specific implementation steps are as follows:

Step (1): Reinforce and assemble the three-proof power distribution protective box and the portable trolley (wheeled flatbed) to form a mobile platform for the grouting device;

Step (2): Fix the measuring pipe 9 made of metal pipe fittings into the portable trolley, so that it is integrated, which is conducive to the installation of subsequent monitoring instruments;

Step (3): install monitoring instruments such as density, flow, pressure, etc. into the measuring pipeline 9 in the platform;

Step (4): connect and debug the data acquisition and data transmission module and the monitoring instrument, so that the transmission state is smooth.

Step (5): Connect the grout inlet and grout out ends of the grouting hose to the quick connector corresponding to the measuring pipe 9 of the device.

The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (2)

1. A movable grouting monitoring device is characterized in that: it has a portable trolley (1), a power distribution protection box (8) and a measuring pipe (9) made of metal pipe fittings, and the power distribution protection box (8) is connected with the The measuring pipe (9) is installed on the portable trolley (1) to be integrated, which facilitates the installation of subsequent monitoring instruments; the density meter (2), the electromagnetic flowmeter (3), the pressure transmitter (4), the thermal resistance (5) Correspondingly installed on the measuring pipe (9), a data acquisition and data transmission module is installed in the power distribution protection box (8), and the two ends of the measuring pipe (9) are formed with grouting hoses to connect both ends of the grouting and the grouting the quick connector (6). 2 . The movable grouting monitoring device according to claim 1 , wherein the portable trolley ( 1 ) is provided with a handrail ( 7 ) and a mechanical brake ( 10 ). 3 .

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