Steel shed support roadway surrounding rock pressure monitoring device

Abstract

This utility model discloses a steel-supported roadway surrounding rock pressure monitoring device, belonging to the technical field of underground roadway surrounding rock pressure monitoring. The monitoring device includes a pressure monitoring device and a fixing device. This utility model uses simple and practical steel plates, bolts, and nuts to clamp the pressure sensor at any position on the support beam and legs to monitor the roadway surrounding rock pressure in real time. The upper and lower bearing plates have good contact with the pressure sensor and the roadway surrounding rock surface. The monitoring device has high monitoring accuracy, is easy and flexible to install, and is simple and practical, enabling real-time and accurate monitoring of the roadway surrounding rock pressure at any position on the steel support beam and legs.

Description

Technical Field

[0001] This utility model belongs to the field of underground roadway surrounding rock pressure monitoring technology, specifically relating to a steel-supported roadway surrounding rock pressure monitoring device. Background Technology

[0002] Roof collapse is one of the most serious types of mining disasters in underground mining operations. For areas with potentially unstable surrounding rock in roadways, support systems such as steel canopies are commonly used. As a typical passive support, the steel canopy primarily bears the rock pressure generated by the deformation of the surrounding rock. If the rock pressure is too high, causing the canopy beams or legs to buckle, it can easily induce roof collapse and sidewall collapse, seriously threatening the lives of underground personnel and the normal production of the mine. Existing mine pressure monitoring equipment is mainly used to monitor the axial force of anchor cables, the working resistance of supports, and roof delamination. It cannot accurately monitor the rock pressure on the steel canopy, causing the design of steel canopy support to often rely on engineering experience, lacking accurate quantitative support for the key influencing factor of rock pressure. Therefore, practical engineering urgently needs a simple and practical rock pressure monitoring device for steel canopy-supported roadways. Summary of the Invention

[0003] The purpose of this invention is to provide a monitoring device for the surrounding rock pressure in steel-supported roadways, in order to solve the problems existing in the above-mentioned engineering background.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A pressure monitoring device for surrounding rock in a steel-supported roadway includes: a pressure monitoring device and a fixing device;

[0006] The pressure monitoring device has a built-in pressure sensor, monitoring and display system, power supply, cable and wired or wireless transmission system;

[0007] The fixing device includes an upper pressure-bearing steel plate, a lower pressure-bearing steel plate, a limiting steel plate, bolts, and nuts;

[0008] The pressure sensor, monitoring and display system, and wired or wireless transmission system in the pressure monitoring device are powered by a built-in explosion-proof battery or an external wired power supply via cable. The monitoring and display system can monitor and display data in real time, and the monitored pressure data is transmitted to the mine pressure monitoring server via wired or wireless transmission.

[0009] The pressure sensor is clamped between the upper and lower pressure steel plates. The space between the lower pressure steel plate and the limiting steel plate is the beam or leg of the steel shed. The upper pressure steel plate, pressure sensor, lower pressure steel plate, steel shed and limiting steel plate are clamped and fixed on the steel shed by bolts and nuts from the surface of the surrounding rock of the roadway outward.

[0010] The beneficial effects of this utility model are:

[0011] This utility model uses simple and practical steel plates, bolts, and nuts to clamp pressure sensors at any position on the roof beams and legs to monitor the surrounding rock pressure in the roadway in real time. The upper and lower bearing plates have good fit with the pressure sensors and the surface of the surrounding rock in the roadway. The monitoring device has high monitoring accuracy, is easy and flexible to install, and is simple and practical. It can realize real-time and accurate monitoring of the surrounding rock pressure in the roadway at any position on the steel roof beams and legs. Attached Figure Description

[0012] Figure 1 A schematic diagram of the front view structure of a steel-supported roadway surrounding rock pressure monitoring device provided in this embodiment of the utility model;

[0013] Figure 2 A schematic diagram of the side view structure of a steel-supported roadway surrounding rock pressure monitoring device provided in this embodiment of the utility model;

[0014] Figure 3 A schematic diagram of the bottom view structure of a steel-supported roadway surrounding rock pressure monitoring device provided in this embodiment of the utility model;

[0015] Figure 4 A schematic diagram of the structure of a pressure monitoring device provided in an embodiment of this utility model;

[0016] In the picture:

[0017] 1. Pressure monitoring device; 2. Upper pressure-bearing steel plate; 3. Lower pressure-bearing steel plate; 4. Limiting steel plate; 5. Bolt; 6. Nut; 7. Steel canopy; 8. Pressure sensor; 9. Monitoring and display system; 10. Wired or wireless transmission system; 11. Power supply; 12. Cable. Detailed Implementation

[0018] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments, but this does not constitute any limitation on the present invention.

[0019] like Figures 1-4As shown, a pressure monitoring device 1 in a steel-supported roadway surrounding rock pressure monitoring device includes a pressure sensor 8, a monitoring and display system 9, a power supply 11, a cable 12, and a wired or wireless transmission system 10. The fixing device includes an upper pressure-bearing steel plate 2, a lower pressure-bearing steel plate 3, a limiting steel plate 4, bolts 5, and nuts 6. The pressure sensor 8, monitoring and display system 9, and wired or wireless transmission system 10 in the pressure monitoring device are powered by a built-in explosion-proof battery or an external wired power supply 11 via the cable 12, and monitor and display the surrounding rock pressure. The display system 9 can monitor and display data in real time. The monitored pressure data is transmitted to the mine pressure monitoring server via wired or wireless transmission. The pressure sensor 8 is clamped between the upper pressure-bearing steel plate 2 and the lower pressure-bearing steel plate 3. The lower pressure-bearing steel plate 3 and the limiting steel plate 4 are the beams or legs of the steel shed 7, such as U-shaped steel, I-beams, and channel steel. The upper pressure-bearing steel plate 2, pressure sensor 8, lower pressure-bearing steel plate 3, steel shed 7 and limiting steel plate 4 are clamped and fixed on the steel shed 7 one by one from the surface of the surrounding rock of the roadway outwards by bolts 5 and nuts 6.

[0020] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A steel shed support roadway surrounding rock pressure monitoring device, characterized in that, include: Pressure monitoring devices and mounting devices; The pressure monitoring device has a built-in pressure sensor, monitoring and display system, power supply, cable and wired or wireless transmission system; The fixing device includes an upper pressure-bearing steel plate, a lower pressure-bearing steel plate, a limiting steel plate, bolts, and nuts; The pressure sensor, monitoring and display system, and wired or wireless transmission system in the pressure monitoring device are powered by a built-in explosion-proof battery or an external wired power supply via cable. The monitoring and display system can monitor and display data in real time, and the monitored pressure data is transmitted to the mine pressure monitoring server via wired or wireless transmission.

2. The steel-supported roadway surrounding rock pressure monitoring device according to claim 1, characterized in that: The pressure sensor is clamped between the upper and lower pressure steel plates. The space between the lower pressure steel plate and the limiting steel plate is the beam or leg of the steel shed. The upper pressure steel plate, pressure sensor, lower pressure steel plate, steel shed and limiting steel plate are clamped and fixed on the steel shed by bolts and nuts from the surface of the surrounding rock of the roadway outward.

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