CN220729434U - Automatic metering system for ready-mixed mortar - Google Patents

Abstract

The utility model provides an automatic measurement system of premixed mortar, which relates to the field of premixed mortar, and comprises an upper computer, a PLC, an input module, an output module, an A/D module, a transmitter and a sensor, wherein the sensor, the transmitter and the A/D module are sequentially connected, and the input module, the output module and the A/D module are respectively connected with the PLC; the upper computer is in bidirectional connection with the PLC. The utility model can realize the automation, informatization and intellectualization of the mixing of the premixed dry powder mortar, greatly improve the automation level of the use of the premixed dry powder mortar on a construction site, reduce the labor intensity of workers, effectively control the use amount of mortar materials, improve the quality of synchronous mortar and better control the molding quality of tunnel segments.

Description

Automatic metering system for ready-mixed mortar

Technical Field

The utility model relates to the field of ready mixed mortar, in particular to an automatic metering system for ready mixed mortar.

Background

In recent years, urban rail transit construction is rapidly developed, in an opened rail transit line, subway tunnel mileage occupies a larger proportion, shield subway construction risks and times of occurrence of diseases are continuously increased, and synchronous grouting is used as an important component link of shield tunnel construction, so that stability of a tunnel structure and driving safety are directly affected. Because the traditional on-site mortar mixing process has the condition of bare raw materials, the influence on environmental protection problems such as dust emission control and the like is large, the self-built mortar stations are stopped in partial cities, and finished product commercial mortar or premixed dry mortar is required to be used for synchronous grouting construction of the shield.

Because commodity mortar is expensive and has a large test on the supply capacity of a mixing station, the cost control and the flexible adjustment of on-site working procedures are not facilitated, and therefore, the ready-mixed dry powder mortar will become a trend in the shield construction in the future. In the existing premixed mortar on-site mixing system in the market, most of the existing premixed mortar on-site mixing system is only provided with a traditional mechanical valve, in the mixing process, the discharge amount is controlled by manually operating the valve opening amount, and the slurry proportioning is simulated and debugged, so that the premixed mortar on-site mixing system is too dependent on the construction experience and responsibility of operators, and is not beneficial to mortar quality control.

Disclosure of Invention

Aiming at the problems, an automatic measurement system of premixed dry mortar is provided for realizing the automation, informatization and intellectualization of the mixing of the premixed dry mortar, the system comprises an upper computer, a PLC, an input module, an output module, an A/D module, a transmitter and a sensor, wherein,

the sensor, the transmitter and the A/D module are sequentially connected, and the input module, the output module and the A/D module are respectively connected with the PLC;

the upper computer is in bidirectional connection with the PLC.

Optionally, the sensor includes:

and the weight electronic scale is arranged at the water tank and the dry powder mortar storage tank.

Optionally, the transmitter is configured to:

and converting the signal of the sensor into a voltage or current signal and transmitting the voltage or current signal to the A/D module.

Optionally, the a/D module is configured to:

the voltage or current signal of the transmitter is converted into a standard signal.

Optionally, the input module is configured to:

the method comprises the steps of collecting equipment states of a site, wherein the equipment states comprise a powder door switch, a host door switch, an electromagnetic valve switch and a host running condition.

Optionally, the PLC is configured to:

receiving data transmitted by the A/D module and the input module, and sending the running state of equipment to the upper computer;

and controlling an output module according to the control command and related parameters sent by the upper computer.

Optionally, the upper computer is configured to:

and displaying the usage amount and the residual amount of the materials and the water in real time, and sending control commands and related parameters to the PLC according to the usage amount and the residual amount of the materials and the water.

Optionally, the output module is configured to:

and controlling the switch of the intermediate relay and the electromagnetic valve according to the control command of the PLC, and driving a heavy load by the contact of the intermediate relay.

The technical scheme provided by the embodiment of the utility model at least has the following beneficial effects:

the automatic, informationized and intelligent mixing of the premixed dry powder mortar can be realized, the automatic level of the premixed dry powder mortar in the use of a construction site is greatly improved, the labor intensity of workers is reduced, the use amount of mortar materials is effectively controlled, the synchronous mortar quality is improved, the tunnel segment forming quality is better controlled, the cost is saved, the pollution to the environment is reduced, and the safety of personnel operation is improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a block diagram illustrating an automated ready mixed mortar metering system according to an embodiment of the utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

As shown in the figure, the premixed mortar automatic metering system comprises an upper computer, a PLC, an input module, an output module, an A/D module, a transmitter and a sensor, wherein,

the sensor, the transmitter and the A/D module are sequentially connected, the input module, the output module and the A/D module are respectively connected with the PLC, and the upper computer is in bidirectional connection with the PLC.

In the embodiment of the utility model, a computer is adopted as an upper computer, and the modes of adopting a tablet, a mobile phone and the like as the upper computer are also within the protection scope of the utility model.

The function and function of each module is described in detail below.

In the embodiment of the utility model, the sensor comprises a weight electronic scale arranged at the water tank and the dry powder mortar storage tank and used for weighing the total weight of materials and the weight of materials when the dry powder mortar enters the field and is discharged, the transmitter is used for converting signals of the sensor into voltage or current signals and then transmitting the voltage or current signals to the A/D module, and the A/D module is used for converting the voltage or current signals of the transmitter into standard signals acceptable by a computer and inputting the standard signals into the module and used for acquiring the on-site equipment states, wherein the equipment states comprise a powder door switch, a host door switch, an electromagnetic valve switch and a host running condition.

After data collection, the PLC is used for receiving the data transmitted by the A/D module and the input module, sending the running state of the equipment to the upper computer, displaying the usage amount and the residual amount of materials and water transmitted by the PLC in real time at the moment, and sending a control command and related parameters to the PLC according to the usage amount and the residual amount of the materials and the water, so as to control the output module.

And then, the output module controls the switch of the intermediate relay and the electromagnetic valve according to the control command of the PLC, the electromagnetic valve controls the proportion, and the contact of the intermediate relay drives a large load.

In one possible embodiment, the large load is driven to start the powder screw.

It should be noted that the upper computer provided by the utility model also has the function of printing material data.

In one possible embodiment, if a quality manager needs to analyze the mortar quality, the quality manager can export the data at any time, and in addition, a needle printer connected with the computer can print and save the material consumption in the construction process.

The embodiment of the utility model can realize the automatic mixing, informatization and intellectualization of the premixed dry powder mortar, greatly improve the automatic level of the premixed dry powder mortar in the use of a construction site, reduce the labor intensity of workers, effectively control the use amount of mortar materials, improve the quality of synchronous mortar, better control the molding quality of tunnel segments, save the cost, reduce the pollution to the environment and improve the safety of personnel operation.

It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present utility model may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present utility model are achieved, and the present utility model is not limited herein.

The above embodiments do not limit the scope of the present utility model. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims (8)

1. The premixed mortar automatic metering system is characterized by comprising an upper computer, a PLC, an input module, an output module, an A/D module, a transmitter and a sensor, wherein,

the sensor, the transmitter and the A/D module are sequentially connected, and the input module, the output module and the A/D module are respectively connected with the PLC;

the upper computer is in bidirectional connection with the PLC.

2. The ready mixed mortar automatic metering system of claim 1, wherein the sensor comprises:

and the weight electronic scale is arranged at the water tank and the dry powder mortar storage tank.

3. The ready mixed mortar automatic metering system of claim 1, wherein the transmitter is configured to:

and converting the signal of the sensor into a voltage or current signal and transmitting the voltage or current signal to the A/D module.

4. The ready mixed mortar automatic metering system of claim 3, wherein the a/D module is configured to:

the voltage or current signal of the transmitter is converted into a standard signal.

5. The ready mixed mortar automatic metering system of claim 1, wherein the input module is configured to:

the method comprises the steps of collecting equipment states of a site, wherein the equipment states comprise a powder door switch, a host door switch, an electromagnetic valve switch and a host running condition.

6. The ready mixed mortar automatic metering system of claim 1, wherein the PLC is configured to:

receiving data transmitted by the A/D module and the input module, and sending the running state of equipment to the upper computer;

and controlling an output module according to the control command and related parameters sent by the upper computer.

7. The ready mixed mortar automatic metering system of claim 1, wherein the host computer is configured to:

and displaying the usage amount and the residual amount of the materials and the water in real time, and sending control commands and related parameters to the PLC according to the usage amount and the residual amount of the materials and the water.

8. The ready mixed mortar automatic metering system of claim 1, wherein the output module is configured to:

and controlling the switch of the intermediate relay and the electromagnetic valve according to the control command of the PLC, and driving a heavy load by the contact of the intermediate relay.