Roadway surrounding rock deformation monitoring device

By laying distributed optical fibers in the tunnel and sealing the monitoring holes with support components and filler, the problems of dim lighting and dust in the tunnel were solved, and high-precision monitoring of surrounding rock deformation was achieved.

CN223925703UActive Publication Date: 2026-02-17ANHUI UNIV OF SCI & TECH
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Patent Information

Application Number
CN202520741387.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-02-17
Estimated Expiration
2035-04-18

AI Technical Summary

Technical Problem

When existing laser monitoring devices are used in roadways, the monitoring accuracy decreases due to dim lighting, polluted air, and a lot of dust.

Method used

A distributed optical fiber monitoring device is adopted. By laying distributed optical fibers in the roadway, the monitoring holes are sealed with support components and filler material to ensure that the optical fibers are coupled with the deformation of the surrounding rock. The data is analyzed by an optical fiber analyzer to improve the monitoring accuracy.

Benefits of technology

It effectively improves the accuracy of roadway surrounding rock deformation monitoring, avoids the influence of dim light and dust, and ensures the accuracy of monitoring data.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of roadway surrounding rock deformation monitoring, in particular to a roadway surrounding rock deformation monitoring device which comprises a roadway, an optical fiber analyzer, supporting assemblies, distributed optical fibers, filler and a connecting optical cable. The distributed optical fiber part extends into the multiple monitoring holes, the filling holes and the distributed optical fiber part are sealed through the filling material, it is ensured that the part extending into the monitoring holes and the roadway surrounding rock are subjected to coupling deformation, and the monitoring precision is improved; monitoring data are transmitted to the optical fiber analyzer through the distributed optical fiber and the connecting optical cable, the optical fiber analyzer analyzes the data, and the problems that when a laser monitoring device is used, due to the fact that the interior of a roadway is a semi-closed space, the laser monitoring device is prone to being affected by dark roadway light, dirty air, much dust and the like are solved through the structure. And the monitoring precision is influenced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to roadway surrounding rock deformation monitoring technical field especially relates to a roadway surrounding rock deformation monitoring device. BACKGROUND

[0002] In the mining process, due to the special structure of roadway, structural deformation often occurs under natural environment, and real-time monitoring of roadway surrounding rock is needed, the existing laser detector usually only pops out the laser head when using, scans a circle, and then the laser head is put into the instrument, but dust and stones are easy to fall into during scanning, block the return path of the laser head, or block the laser emission port, causing the laser head to be unable to be normally retracted, and the laser to be unable to be normally emitted and other problems.

[0003] The prior art CN222652167U discloses a device for online monitoring of roadway surrounding rock stress and deformation, comprising a machine body, a through hole is formed in one side of the machine body, and a protective cover is installed through the through hole, further comprising a cylinder arranged in the machine body, the cylinder is connected with the protective cover through a connecting frame, a laser range finder is rotatably connected to one side of the protective cover close to the interior of the machine body, a motor is fixedly connected to the surface of the connecting frame, further comprising a connecting branch, the motor is connected with the connecting branch through a clutch assembly, a cleaning assembly for cleaning the surface of the laser range finder is installed at one end of the connecting branch close to the laser range finder, through the separation of the connecting branch and the connecting rod under the action of the clutch, after the laser range finder rotates one circle for monitoring, the connecting branch and the connecting rod are relatively separated, the motor continues to drive the brush to clean, effectively avoiding the problems of the laser range finder being unable to be retracted or the emission being blocked due to falling stones and dust in the roadway.

[0004] However, in the above-mentioned prior art, the laser monitoring device is used in a semi-closed space, which is easily affected by dark light, dirty air and a large amount of dust in the roadway, thereby affecting the monitoring accuracy. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a roadway surrounding rock deformation monitoring device, which solves the problem of the laser monitoring device being affected by dark light, dirty air and a large amount of dust in the roadway in a semi-closed space, thereby affecting the monitoring accuracy.

[0006] To achieve the above object, the utility model provides a kind of roadway surrounding rock deformation monitoring device, including roadway, optical fiber analyzer, support component, distributed optical fiber, filling material and connecting cable, the roadway is provided with multiple monitoring holes, the optical fiber analyzer is provided with alarm indicator light, broken line indicator light and normal operation indicator light, first terminal stud and the second terminal stud are provided on the optical fiber analyzer, multiple support components are respectively arranged in the outer side wall of the roadway, the distributed optical fiber is hung in multiple support components, and it is inserted into multiple monitoring holes, the filling material is filled in the gap between the distributed optical fiber and the monitoring hole, the connecting cable is communicated between the first terminal stud and the distributed optical fiber.

[0007] Among them, the distributed optical fiber includes multiple monitoring cables, multiple protective sleeves and transmission cables, multiple monitoring cables are respectively inserted into multiple monitoring holes, multiple protective sleeves are respectively arranged on the outer side wall of multiple monitoring cables, the transmission cable is respectively communicated with multiple monitoring cables, and one end of the transmission cable is communicated with the connecting cable, and the filling material is filled in the gap between the monitoring cable and the monitoring hole.

[0008] Among them, the support component includes mounting plate and multiple hooks, the mounting plate is installed on the outer side wall of the roadway, multiple hooks are respectively fixedly connected with the mounting plate and are respectively located on the outer side wall of the mounting plate, and the distributed optical fiber is hung on the hook.

[0009] Among them, the roadway surrounding rock deformation monitoring device further includes alarm mechanism, and the alarm mechanism is arranged on the outer side wall of the roadway.

[0010] Among them, the alarm mechanism includes multiple buzzers and wires, multiple buzzers are respectively installed on the outer side wall of the roadway, one end of the wire is mutually identical with multiple buzzers, and the other end of the wire is communicated with the second terminal stud.

[0011] The utility model of a kind of roadway surrounding rock deformation monitoring device, roadway surrounding rock deformation monitoring, the distributed optical fiber is laid on multiple support components, and the distributed optical fiber part is inserted into multiple monitoring holes, the filling hole and the distributed optical fiber part are sealed by the filling material, ensure that the monitoring hole part is coupled with the deformation of the roadway surrounding rock, improve monitoring precision, and monitoring data is transmitted to the optical fiber analyzer by the distributed optical fiber and the connecting cable, the optical fiber analyzer analyzes data, solve the problem that laser monitoring device is used, as roadway is semi-enclosed space, it is susceptible to the influence of dim light, air pollution and more dust in roadway, in turn affect monitoring precision. ACCURACY

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced.

[0013] Figure 1 is the overall structure schematic view of the first embodiment of the utility model.

[0014] Figure 2 is the structure schematic view of the optical fiber analyzer, early warning indicator lamp, broken line indicator lamp and normal operation indicator lamp of the first embodiment of the utility model.

[0015] Figure 3 is the overall structure sectional view of the first embodiment of the utility model.

[0016] Figure 4 is Figure 3 is the enlarged view of A in the figure.

[0017] Figure 5 is Figure 3 is the enlarged view of B in the figure.

[0018] Figure 6 is the overall structure schematic view of the second embodiment of the utility model.

[0019] Figure 7 is the structure schematic view of the second wiring post, wire and buzzer of the second embodiment of the utility model.

[0020] 1-lane, 101-monitoring hole, 2-optical fiber analyzer, 201-early warning indicator lamp, 202-broken line indicator lamp, 203-normal operation indicator lamp, 204-first wiring post, 205-second wiring post, 3-supporting assembly, 301-mounting plate, 302-hook, 4-distributed optical fiber, 401-monitoring optical cable, 402-protection sleeve, 403-transmission optical cable, 5-filler, 6-connecting optical cable, 7-buzzer, 8-wire. DETAILED DESCRIPTION

[0021] The embodiments of the utility model will be described in detail below, the examples of the embodiments are shown in the drawings, the embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.

[0022] First embodiment

[0023] Please refer to Figures 1-5 , Figure 1 is the overall structure schematic view of the first embodiment of the utility model. Figure 2 is the structure schematic view of the optical fiber analyzer, early warning indicator lamp, broken line indicator lamp and normal operation indicator lamp of the first embodiment of the utility model. Figure 3The overall structure of the first embodiment of the utility model is shown in a sectional view. Figure 4 Figure 3 The enlarged view of A in the middle. Figure 5 Figure 3 The enlarged view of B in the middle.

[0024] The utility model provides a kind of roadway surrounding rock deformation monitoring device, including roadway 1, fiber analyzer 2, support component 3, distributed optical fiber 4, filler 5 and connecting cable 6, the distributed optical fiber 4 includes multiple monitoring cables 401, multiple protective sheaths 402 and transmission cable 403, the support component 3 includes mounting plate 301 and multiple hooks 302, the problem that the laser monitoring device is influenced by the influence such as roadway 1 light is dim, air is turbid and dust is more in the half-enclosed space in roadway 1 when using, in turn affects monitoring accuracy is solved by above structure.

[0025] For specific implementation, the roadway 1 is provided with multiple monitoring holes 101, the fiber analyzer 2 is provided with alarm indicator 201, broken line indicator 202 and normal operation indicator 203, the first terminal post 204 and the second terminal post 205 are provided on the fiber analyzer 2, multiple support components 3 are respectively arranged on the outer wall of the roadway 1, the distributed optical fiber 4 is hung above multiple support components 3, and extends into multiple monitoring holes 101, the filler 5 is filled in the gap between the distributed optical fiber 4 and the monitoring hole 101, the connecting cable 6 is communicated between the first terminal post 204 and the distributed optical fiber 4, when roadway 1 surrounding rock deformation is monitored, the distributed optical fiber 4 is laid above multiple support components 3, part of the distributed optical fiber 4 extends into multiple monitoring holes 101, the filler hole and part of the distributed optical fiber 4 are sealed by the filler 5, ensure that the part extending into the monitoring hole 101 is coupled with the deformation of the roadway 1 surrounding rock, improve monitoring accuracy, monitoring data is transmitted to the fiber analyzer 2 by the distributed optical fiber 4 and the connecting cable 6, the fiber analyzer 2 analyzes data, the problem that the laser monitoring device is influenced by the influence such as roadway 1 light is dim, air is turbid and dust is more in the half-enclosed space in roadway 1 when using, in turn affects monitoring accuracy is solved by above structure.

[0026] ​​The monitoring optical cable 401 is inserted into the monitoring hole 101, the protective sleeve 402 protects the monitoring optical cable 401, the stability and durability of the monitoring optical cable 401 are ensured, the monitoring optical cable 401 and the monitoring hole 101 are sealed through the filler 5, the coupling deformation of the monitoring optical cable 401 and the surrounding rock of the roadway 1 is ensured, the deformation of the surrounding rock of the roadway 1 is monitored by the monitoring management, the monitoring data is transmitted through the transmission optical cable 403, and finally enters the optical fiber analyzer 2 through the connecting optical cable 6.

[0027] The mounting plate 301 is installed on the outer side wall of the roadway 1, the hooks 302 are fixedly connected with the mounting plate 301 and are located on the outer side wall of the mounting plate 301, the distributed optical fiber 4 is hung on the hooks 302, and the mounting plate 301 is used for mounting the hooks 302.

[0028] In use, the transmission optical cable 403 is installed on the hooks 302, the hooks 302 fix the transmission optical cable 403 and prevent the optical cable from being wound, the monitoring optical cable 401 with the protective sleeve 402 is inserted into the monitoring hole 101, the protective sleeve 402 protects the monitoring optical cable 401, the stability and durability of the monitoring optical cable 401 are ensured, the monitoring optical cable 401 and the monitoring hole 101 are sealed through the filler 5, the coupling deformation of the monitoring optical cable 401 and the surrounding rock of the roadway 1 is ensured, the monitoring precision is improved, the deformation of the surrounding rock of the roadway 1 is monitored by the monitoring management, the monitoring data is transmitted through the transmission optical cable 403, and finally enters the optical fiber analyzer 2 through the connecting optical cable 6, and the optical fiber analyzer 2 analyzes the data, thereby solving the problem that, when the laser monitoring device is used, the monitoring precision is affected due to the half-closed space in the roadway 1, the dim light in the roadway 1, the dirty air and the large amount of dust.

[0029] Second embodiment

[0030] Please refer to Figures 6-7 , Figure 6It is the whole structure schematic view of the second embodiment of the utility model. Figure 7 It is the structure schematic view of the second wiring post, wire and buzzer of the second embodiment of the utility model.

[0031] On the basis of the first embodiment, the roadway surrounding rock deformation monitoring device further comprises an alarm mechanism, wherein the alarm mechanism comprises a plurality of buzzers 7 and wires 8.

[0032] For the specific implementation, the alarm mechanism is arranged on the outer side wall of the roadway 1, and the alarm mechanism is used for alarming and providing safety protection for underground workers.

[0033] Among them, a plurality of the buzzer 7 is respectively installed on the outer side wall of the roadway 1, one end of the wire 8 is same as a plurality of the buzzer 7, the other end of the wire 8 is communicated with the second wiring post 205, the wire 8 is communicated when the warning indicator light on the data analyzer is bright, under the action of the wire 8, a plurality of the buzzer 7 operates, issues an alarm, and reminds underground workers.

[0034] The above only discloses one or more preferred embodiments of the application, and cannot limit the scope of the application, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the application still belong to the scope of the application.

Claims

1. A roadway surrounding rock deformation monitoring device, characterized in that, The application relates to a roadway surrounding rock deformation monitoring device which comprises a roadway, a fiber analyzer, a supporting assembly, a distributed optical fiber, filling material and a connecting optical cable, wherein the roadway is provided with a plurality of monitoring holes, the fiber analyzer is provided with a pre-warning indicator lamp, a broken line indicator lamp and a normal operation indicator lamp, the fiber analyzer is provided with a first connecting post and a second connecting post, a plurality of the supporting assemblies are arranged on the outer side walls of the roadway, the distributed optical fiber is hung above the supporting assemblies and extends into the monitoring holes, the filling material is filled in the gaps between the distributed optical fiber and the monitoring holes, and the connecting optical cable is connected between the first connecting post and the distributed optical fiber.

2. The roadway surrounding rock deformation monitoring device according to claim 1, wherein the distributed optical fiber comprises a plurality of monitoring optical cables, a plurality of protective sleeves and a transmission optical cable, the monitoring optical cables are inserted into the monitoring holes, the protective sleeves are arranged on the outer side walls of the monitoring optical cables, the transmission optical cable is connected with the monitoring optical cables, one end of the transmission optical cable is connected with the connecting optical cable, and the filling material is filled in the gaps between the monitoring optical cables and the monitoring holes.

3. The roadway surrounding rock deformation monitoring device according to claim 1, wherein the supporting assembly comprises a mounting plate and a plurality of hooks, the mounting plate is arranged on the outer side wall of the roadway, the hooks are fixedly connected with the mounting plate and arranged on the outer side wall of the mounting plate, and the distributed optical fiber is hung on the hooks.

4. The roadway surrounding rock deformation monitoring device according to claim 1, further comprising an alarm mechanism arranged on the outer side wall of the roadway.

5. The roadway surrounding rock deformation monitoring device according to claim 4, wherein the alarm mechanism comprises a plurality of buzzers and a wire, the buzzers are arranged on the outer side wall of the roadway, one end of the wire is connected with the buzzers, and the other end of the wire is connected with the second connecting post. ​ ​ ​ ​

Citation Information

Patent Citations

  • Device for monitoring stress and deformation of surrounding rock of roadway on line

    CN222652167U