CN204286502U - A kind of chemical grouting self recording apparatus - Google Patents

Abstract

The utility model discloses a kind of chemical grouting self recording apparatus, this equipment take weight sensor as the metering outfit of chemical grouting, be equipped with pressure transducer, and the weight signal that weight sensor and pressure transducer are exported and pressure signal, show and preserve corresponding gravimetric value and force value.Achieve the technical purpose that the chemical grouting of automatic record adds slurry metering, have and detect feature accurate, that data are directly perceived, easy for installation, simple to operate, with low cost.

Description

An automatic recording device for chemical grouting

technical field

The utility model relates to the field of grouting metering equipment, in particular to automatic chemical grouting metering equipment.

Background technique

Chemical grouting is pure pressure grouting. The pressure gauge is installed at the orifice to measure the grouting pressure. The injection rate is calculated by measuring the height change of the grout in the grout storage tank within a certain period of time. Principles, electrical principles, acoustic principles, thermal principles, optical principles and other design flowmeters, because acoustic, optical, thermal, atomic physics and other principle forms of flowmeters require special devices, the cost is high, and the measurement of most devices The accuracy will be affected by the chemical properties of the chemical grout, so it is difficult to measure it for chemical grout.

In addition, the minimum design injection rate of chemical grouting is very small, which is 50 times lower than that of cement grouting; and the measurement range span of the flowmeter required by chemical grouting is large, the accuracy requirement is as high as 0.2%, and the measurement accuracy requirement is 5 times higher than that of cement grouting .

Although the current cement grouting uses an electromagnetic flow sensor, it generates an induced electromotive force through the movement of a conductor in a magnetic field, and the induced electromotive force is proportional to the flow rate. The flow rate of the pipeline is reflected by measuring the electromotive force, and the measurement accuracy and sensitivity are high. , It is widely used in industry to measure the flow of water, pulp and other media. However, many chemical grouting materials such as polyurethane and epoxy resin are organic materials with low electrical conductivity. Therefore, it is difficult for flow sensors to be applied to the measurement of chemical grouting.

Contents of the invention

The purpose of the utility model is to overcome the above-mentioned problems in the prior art, provide a metering device for automatic chemical grouting recording, and realize accurate automatic collection and recording of chemical grouting metering data.

In order to achieve the purpose of the utility model, the utility model provides a kind of chemical grouting automatic recording equipment, including: a slurry tank for containing the slurry; a weight sensor; a grouting pipeline connecting the grout tank and the grouting hole, for grouting the grouting tank to the grouting hole; a pressure sensor installed on the grouting pipeline for measuring the grouting pressure; and, electrically connected The chemical grouting recorder of the first weight sensor and pressure sensor. It is used to display and save the corresponding weight value and pressure value according to the weight signal and pressure signal output by the weight sensor and pressure sensor.

Preferably, the chemical grouting automatic recording device provided by the utility model may also include: a slurry mixing tank connected to the slurry storage tank through a slurry delivery pipe; installed at the bottom of the slurry mixing tank for measuring the weight of the slurry mixing tank a second weight sensor; and a chemical grouting recorder electrically connected to the second weight sensor and the pressure sensor.

Further preferably, the automatic chemical grouting recording device provided by the utility model also includes: an analog-to-digital converter for converting the weight signal and pressure signal into a digital signal; electrically connected to the analog-to-digital converter for a processor for processing said digital signal; and a display electrically connected to said processor for displaying said weight value and pressure value.

In particular, the chemical grouting automatic recorder further includes: a memory electrically connected to the processor for storing digital signals.

Preferably, the slurry delivery pipe is provided with a control device for controlling the slurry flow in the slurry mixing tank.

The utility model realizes the technical purpose of automatically recording chemical grouting measurement, and has the characteristics of accurate detection, intuitive data, convenient installation and simple operation.

The beneficial effects of the utility model are reflected in the following aspects:

1. The chemical grouting automatic recording device of the present utility model can determine and calculate the total injection rate of grout, thereby controlling the grouting time, determining the end standard of grouting, and improving construction efficiency.

2. The utility model adopts two weight sensors to measure the induction signals of the grout mixing tank and the grouting tank in real time, and is not affected by the conductivity of the grout.

3. The chemical grouting automatic recording equipment of the present invention reduces the error of manual recording, reduces the construction cost, and is easy to install and low in cost.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Explanation of reference signs: 1. Grout tank; 2. First weight sensor; 3. Grouting pipeline; 4. Pressure sensor; 5. Grouting hole; 6. Chemical grouting recorder; 7. Grouting tank; 8. The first Two weight sensors; 9, slurry delivery pipe; 10, control device.

Detailed ways

As shown in the structural diagram of Figure 1, the chemical grouting automatic recording device of the present invention includes: a slurry tank 1 for containing the slurry; a first weight sensor installed at the bottom of the slurry tank for measuring the weight of the slurry tank 2. The grouting pipeline 3 connecting the grout tank and the grouting hole is used for grouting the grout in the grout tank to the grouting hole; a pressure sensor installed on the grouting pipeline for measuring the grouting pressure 4; and, the chemical grouting recorder 7 electrically connected to the weight sensor and the pressure sensor, for displaying and saving the corresponding weight and pressure values according to the weight and pressure signals output by the first weight and pressure sensors.

As shown in the dotted line part of the structural diagram shown in Figure 1, the chemical grouting automatic recording device of the present utility model can also include: a slurry mixing tank 7 connected to the slurry tank through a slurry delivery pipe; installed at the bottom of the slurry mixing tank for measuring The second weight sensor 8 of the weight of the grout mixing bucket; and, the chemical grouting recorder 9 electrically connected to the second weight sensor and the pressure sensor, wherein the grout delivery pipe is provided with a control device for controlling the grout in the grout mixing bucket. Control device 10 for slurry flow.

Although the utility model has been described in detail above, it is not limited thereto. Those skilled in the art can make modifications according to the principle of the utility model. Into the scope of protection of the utility model.

Claims (5)

1. A chemical grouting automatic recording device, characterized in that, comprising: A slurry tank for holding slurry; a first weight sensor installed at the bottom of the pulp tank for measuring the weight of the pulp tank; A grouting pipeline connecting the grout tank and the grouting hole is used for grouting the grout tank to the grouting hole; a pressure sensor installed on said grouting line for measuring grouting pressure; and, The chemical grouting recorder electrically connected to the first weight sensor and the pressure sensor is used to display and save the corresponding weight and pressure values according to the weight and pressure signals output by the first weight sensor and the pressure sensor. 2. The device of claim 1, further comprising: The slurry mixing tank connected with the slurry tank through the slurry delivery pipe; A second weight sensor installed at the bottom of the mixing tank for measuring the weight of the mixing tank; and, The chemical grouting recorder electrically connected to the second weight sensor and the pressure sensor. 3. equipment as claimed in claim 1 or 2, is characterized in that, described chemical grouting automatic recorder comprises: an analog-to-digital converter converting said weight and pressure signals into digital signals; a processor electrically connected to the analog-to-digital converter for processing the digital signal; and, A display that is electrically connected to the processor for displaying the weight value and the pressure value. 4. equipment as claimed in claim 3, is characterized in that, described chemical grouting automatic recorder also comprises: A memory for storing digital signals is electrically connected to the processor. 5. The equipment according to claim 2, characterized in that, the slurry delivery pipe is provided with a control device for controlling the slurry flow in the slurry mixing tank.