Mine well wall pressure monitoring device

By designing a mine wall pressure monitoring device, using arc-shaped guide pipes, mobile plates, slide rails, mounting plates, concrete strain gauges and soil pressure gauges, multi-point monitoring and real-time monitoring of the inner wall of the mine are achieved, and the current solution is solved The problem of the inability to comprehensively monitor the pressure on the inner wall of the mine has improved the accuracy and reliability of risk warning.

CN222460892UActive Publication Date: 2025-02-11ANHUI JIANGNAN BLASTING ENG CO LTD
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Patent Information

Application Number
CN202420313080.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-20
Publication Date
2025-02-11
Estimated Expiration
2034-02-20

AI Technical Summary

Technical Problem

The existing technology cannot fully monitor the pressure on the inner wall of the mine, which leads to difficulty in timely warning and preventing the well wall from collapse.

Method used

A mine shaft wall pressure monitoring device was designed, including arc-shaped guide pipes, mobile plates, slide rails, mounting plates, concrete strain gauge and soil pressure gauge. Through multi-point monitoring and regular data analysis, the accuracy of risk warning is improved. .

Benefits of technology

Real-time monitoring of the inner wall of the mine is realized, timely warning of potential underground structure deformation risks, preventing the collapse of the well wall, and improving the accuracy and reliability of monitoring.

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Abstract

The utility model relates to the technical field of mine well wall monitoring, and discloses a mine well wall pressure monitoring device which comprises a mine, two sets of connecting bases are fixed to the inner side wall of the mine, an arc-shaped guide pipe is fixed between the connecting bases in the same set, and reinforcing rods are fixed between the upper connecting base and the lower connecting base. A movable plate is arranged between the arc-shaped guide pipes, sliding rails are symmetrically fixed to the side, close to the mine, of the movable plate, a mounting plate is jointly and movably mounted on the surfaces of the sliding rails, a concrete strain gauge is fixed to the side wall of the mounting plate, and a plurality of soil pressure gauges are arranged on the inner side wall of the mine. According to the utility model, real-time monitoring of a mine is realized, early warning of risks is realized, multi-point monitoring is realized, and the risk early warning accuracy is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of mine shaft wall monitoring, in particular to a mine shaft wall pressure monitoring device. Background Art

[0002] When using blasting technology to open a mine, after the blasting operation is completed, the soil is excavated at the blasting point, and then the inner wall of the mine is built with pipe segments. After the construction is completed, due to geological and blasting reasons, the soil outside the mine is loose, which is easy to cause compression on the wall. In order to prevent the completed mine from collapsing, the inner wall of the mine needs to be monitored at all times. The existing monitoring technology only realizes single-point monitoring and cannot fully monitor the pressure of the inner wall of the mine. Improvements are needed. For this purpose, a mine wall pressure monitoring device is designed. Utility Model Content

[0003] The utility model aims to solve one of the technical problems in the related art at least to a certain extent. To this end, one purpose of the utility model is to propose a mine wall pressure monitoring device to achieve real-time monitoring of the mine, early warning of risks, multi-point monitoring, and improve the accuracy of risk warning.

[0004] According to the mine shaft wall pressure monitoring device proposed by the utility model, it includes a mine, the inner wall of the mine is fixed with two groups of connecting seats, arc-shaped guide tubes are fixed between the connecting seats in the same group, reinforcing rods are fixed between the upper and lower connecting seats, a movable plate is arranged between the arc-shaped guide tubes, a sliding rail is symmetrically fixed on the side of the movable plate close to the mine, a mounting plate is movably installed on the surface of the sliding rail, a concrete strain gauge is fixed on the side wall of the mounting plate, and a plurality of earth pressure gauges are arranged on the inner wall of the mine.

[0005] Preferably, the mine is composed of a plurality of segments.

[0006] Preferably, at least one of the side walls of the pipe segment is provided with a through hole, the earth pressure gauge is mounted inside the through hole, and a conducting wire is fixed to one end of the earth pressure gauge extending out of the through hole.

[0007] Preferably, a plurality of limiting holes are provided on the side wall of the mounting plate and between the slide rails, a latch plate is mounted on the side of the movable plate away from the slide rail, a positioning hole is provided on the side wall of the mounting plate, and the latch plate passes through the limiting hole and extends into the positioning hole.

[0008] Preferably, a plurality of ball rings are fixed to the side walls of the movable plate and located at the upper and lower ends of the bayonet plate, and the ball rings are movably mounted on the surfaces of the arc-shaped guide tubes.

[0009] The beneficial effects of the present invention are:

[0010] 1. The soil pressure monitoring of this invention can detect changes in soil pressure in a timely manner, helping engineers predict potential risks of deformation of underground structures, so as to take necessary safety measures to prevent well wall collapse or other dangerous situations. Concrete strain monitoring helps to detect stress and strain anomalies in concrete structures, helps to repair or reinforce structures in a timely manner, and reduces structural failures and dangers. Through regular monitoring, engineers can detect problems with soil pressure and concrete structures in a timely manner, take necessary maintenance and intervention measures to prevent the problems from further deteriorating, and reduce repair costs. The monitoring data provides valuable information about soil pressure and concrete structure performance. These data can be used to optimize engineering design, construction processes, and maintenance strategies to improve the efficiency and reliability of the project. Soil pressure and concrete strain monitoring help extend the service life of underground structures because they help to better understand the behavior of the structure and take preventive measures to mitigate the effects of stress and strain. The monitoring system can record long-term data, allowing engineers to analyze trends in soil pressure and concrete strain. This helps to determine whether there are cyclical changes or gradual increases, further improving engineering management.

[0011] 2. The installation position of the concrete strain gauge can be manually adjusted using the frame structure to record the stress conditions at different locations in the area and comprehensively determine the risk. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a schematic diagram of the overall structure of the mine shaft wall pressure monitoring device proposed by the utility model.

[0013] Figure 2 This is a schematic diagram from a first perspective of the concrete strain gauge installation structure of the mine shaft wall pressure monitoring device proposed by the utility model.

[0014] Figure 3 This is a schematic diagram from a second viewing angle of the concrete strain gauge installation structure of the mine shaft wall pressure monitoring device proposed by the utility model.

[0015] Figure 4 The utility model is a schematic diagram of the installation structure of the earth pressure gauge of the mine shaft wall pressure monitoring device.

[0016] In the figure: 1, mine; 101, pipe segment; 102, through hole; 2, connecting seat; 3, arc guide pipe; 4, reinforcing rod; 5, moving plate; 6, slide rail; 7, mounting plate; 8, concrete strain gauge; 9, soil pressure gauge; 901, wire; 10, limit hole; 11, bayonet plate; 12, ball ring. DETAILED DESCRIPTION

[0017] Reference Figure 1-4A mine shaft wall pressure monitoring device comprises a mine 1, two groups of connecting seats 2 are fixed on the inner wall of the mine 1, arc-shaped guide pipes 3 are fixed between the connecting seats 2 in the same group, reinforcing rods 4 are fixed between the upper and lower connecting seats 2, a movable plate 5 is arranged between the arc-shaped guide pipes 3, a sliding rail 6 is symmetrically fixed on one side of the movable plate 5 close to the mine 1, a mounting plate 7 is movably installed on the surface of the sliding rail 6, a concrete strain gauge 8 is fixed on the side wall of the mounting plate 7, and a plurality of earth pressure gauges 9 are arranged on the inner wall of the mine 1.

[0018] The mine 1 is composed of a plurality of pipe segments 101 , and a through hole 102 is formed on the side wall of at least one pipe segment 101 . The earth pressure gauge 9 is assembled inside the through hole 102 , and a wire 901 is fixed to one end of the earth pressure gauge 9 extending out of the through hole 102 .

[0019] A plurality of limiting holes 10 are provided on the side wall of the mounting plate 7 and between the slide rails 6; a latch plate 11 is mounted on the side of the movable plate 5 facing away from the slide rail 6; a positioning hole is provided on the side wall of the mounting plate 7; the latch plate 11 penetrates the limiting hole 10 and extends into the positioning hole; a plurality of ball rings 12 are fixed on the side wall of the movable plate 5 and at the upper and lower ends of the latch plate 11; the ball rings 12 are movably mounted on the surface of the arc guide tube 3 respectively.

[0020] When this device is used, soil pressure monitoring can detect changes in soil pressure in a timely manner, helping engineers predict potential risks of underground structural deformation, so as to take necessary safety measures to prevent well wall collapse or other dangerous situations. Concrete strain gauge 8 monitoring helps to detect stress and strain anomalies in concrete structures, and helps to repair or reinforce structures in a timely manner to reduce structural failures and dangers. Through regular monitoring, engineers can promptly detect problems with soil pressure and concrete structures and take necessary maintenance and intervention measures. During monitoring, the position of the movable plate 5 and the mounting plate 7 can be adjusted to adjust the spatial position of the concrete strain gauge 8 in an area, and multiple soil pressure gauges 9 can be used to jointly predict risks. Multi-point monitoring can improve the accuracy of early warning.

Claims

1. A mine wall pressure monitoring device, characterized in that: It includes a mine, wherein two groups of connecting seats are fixed on the inner wall of the mine, arc-shaped guide tubes are fixed between the connecting seats in the same group, reinforcing rods are fixed between the upper and lower connecting seats, a movable plate is arranged between the arc-shaped guide tubes, a sliding rail is symmetrically fixed on one side of the movable plate close to the mine, a mounting plate is movably mounted on the surface of the sliding rail, a concrete strain gauge is fixed on the side wall of the mounting plate, and a plurality of earth pressure gauges are arranged on the inner wall of the mine.

2. The mine wall pressure monitoring device according to claim 1 is characterized in that: The mine is composed of a plurality of segments.

3. The mine wall pressure monitoring device according to claim 2 is characterized in that: A through hole is opened on the side wall of at least one of the pipe segments, and the earth pressure gauge is installed inside the through hole. A wire is fixed to one end of the earth pressure gauge extending out of the through hole.

4. The mine wall pressure monitoring device according to claim 1 is characterized in that: The side wall of the mounting plate is provided with a plurality of limiting holes between the slide rails, a latch plate is mounted on the side of the movable plate away from the slide rail, a positioning hole is provided on the side wall of the mounting plate, and the latch plate passes through the limiting hole and extends into the positioning hole.

5. The mine wall pressure monitoring device according to claim 4 is characterized in that: A plurality of ball rings are fixed on the side wall of the movable plate and at the upper and lower ends of the bayonet plate, and the ball rings are movably mounted on the surface of the arc-shaped guide tube.