Working face roof safety real-time dynamic monitoring device

By installing position and displacement sensors on the top plate of the working face, combined with a controller and grout storage system, real-time monitoring of changes in the position of the top plate and timely grouting are achieved, solving the problem of untimely detection of top plate displacement and improving disaster prediction and prevention capabilities.

CN224049270UActive Publication Date: 2026-03-27ORDOS YANJIAGOU XINDONG COAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The lack of a real-time dynamic monitoring device for the working face roof in existing technologies makes it impossible to detect small-distance displacements of the roof in a timely manner and to predict some disasters.

Method used

A real-time dynamic monitoring device for the safety of the working face roof was designed, which includes a position sensor, a displacement sensor, a controller, and a slurry storage tank. The sensor monitors the changes in the position of the roof, and the controller controls the discharge valve to inject concrete slurry in time to fill the gaps.

Benefits of technology

It enables real-time monitoring and timely grouting of roof position changes, improves disaster prediction and prevention capabilities, and ensures roof stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of working face roofs, in particular to a safe real-time dynamic monitoring device for a working face roof. According to the technical scheme, the device comprises a monitoring box body, an outer rod and a top plate, the outer surface of the top plate is sleeved with a mounting frame, a position sensor is mounted on the lower surface of the mounting frame, the outer rod is fixed to the lower surface of the top plate, a fixing frame is movably inserted into the lower surface of the outer rod, and an inner rod is movably inserted into the outer end face of one side of the fixing frame; an outer plate is fixed to the lower surface of the top plate, a mounting groove is formed in the lower surface of the outer plate, an inner plate is movably inserted into the mounting groove, a displacement sensor is mounted on the lower surface of the inner plate, supporting legs are welded to the lower surface of the monitoring box body, and the supporting legs are fixed to the upper surface of a mounting frame. The lower surface of the monitoring box body communicates with a discharging pipe, the lower surface of the discharging pipe communicates with a fixing pipe, and a control center is installed in the monitoring box body. The top plate position is convenient to monitor.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of working face roof, concretely to a working face roof safety real -time dynamic monitoring device. BACKGROUND

[0002] The working face roof of coal mine is the rock layer above the coal seam on the coal mining face in the coal mine.

[0003] Now there is no special safety real-time dynamic monitoring device for working face roof, when the roof has small distance offset, it can not be found in time, leading to part of the disaster can not be predicted. UTILITY MODEL CONTENT

[0004] The utility model discloses a working face roof safety real-time dynamic monitoring device to solve the problem in the background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a working face roof safety real-time dynamic monitoring device, including monitoring box body, outer rod and roof, the outer surface of the roof is sleeved with mounting bracket, and the lower surface of mounting bracket is installed with position sensor, the lower surface of the roof is fixed with outer rod, the lower surface of the outer rod is movably inserted with fixed frame, and the outer end surface of one side of fixed frame is movably inserted with inner rod, the lower surface of the roof is fixed with outer plate, and the lower surface of outer plate is provided with installation groove, the inside of installation groove is movably inserted with inner plate, and the lower surface of inner plate is installed with displacement sensor, the lower surface of the middle of inner plate is installed with controller, the lower surface of monitoring box body is welded with support leg, and the upper surface of support leg is fixed in mounting bracket, the lower surface of monitoring box body is connected with discharge pipe, and the lower surface of discharge pipe is connected with fixed pipe, the inside of monitoring box body is installed with control center.

[0006] When using the working face roof safety real-time dynamic monitoring device in the technical scheme, the position sensor and displacement sensor can monitor the position of the roof, when the moving distance of the roof exceeds the set value, the position sensor and displacement sensor transmit signals to the controller, the controller transmits signals to the discharge valve and control center, the control center can obtain the disaster degree according to the moving distance, the inside of monitoring box body is provided with slurry storage tank, handheld connecting frame, hand pulls the connecting frame, and the connecting frame drives the discharge head to move, moves the discharge head to the installation position, the controller opens the discharge valve in time, the concrete slurry enters the fixed pipe and connecting frame through the discharge pipe, and then enters the inside of the loose gap through the connecting pipe and discharge head.

[0007] Preferably, the upper surface of the monitoring box body is hingedly connected with a sealing cover, and the upper surface of the sealing cover is welded with a handle.

[0008] Preferably, the lower surface of the mounting frame is welded with a fixing rod, and one side of the outer end surface of the fixing rod is threadedly connected with a fixing bolt.

[0009] Preferably, the lower surface of the fixing rod is movably inserted with a connecting rod, and the lower surface of the connecting rod is fixed with a pressing plate.

[0010] Preferably, one side of the outer end surface of the inner rod is threadedly connected with a limiting rod, and one side of the outer end surface of the limiting rod is fixed with a supporting plate.

[0011] Preferably, the outer end surfaces of the two sides of the supporting plate are both fixed with a fixing plate, and the inner part of the fixing plate is threadedly connected with a screw.

[0012] Preferably, one side of the outer end surface of the fixing tube is movably inserted with a connecting frame, and the lower surface of the connecting frame is movably inserted with a connecting tube.

[0013] Preferably, the signal transmitting end of the position sensor and the displacement sensor is electrically connected with the signal receiving end of the controller, and the signal transmitting end of the controller is electrically connected with the signal receiving end of the discharge valve and the control center.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] 1. The utility model discloses a position sensor, displacement sensor and controller are set up, reached the effect that the grouting of being convenient for in time, and position sensor and displacement sensor can monitor the roof position, when the roof moving distance exceeds the set value, position sensor and displacement sensor transmit the signal to the controller, and the controller transmits the signal to the outlet valve and control center, and the control center can draw the disaster degree according to the moving distance, the monitoring box body is provided with the grout storage tank, handheld connecting frame, hand pull extension connecting frame, and the connecting frame drives the outlet head to move, moves the outlet head to the installation position, and the controller opens the outlet valve in time, and the concrete grout enters the fixed pipe and connecting frame through the outlet pipe, then enters the loose gap inside through the connecting pipe and outlet head.

[0016] 2. The utility model discloses a fixed rod, connecting rod and outer rod are set up, reached the effect that can provide stable support, the lower surface of fixed rod swing splices connecting rod, this design makes connecting rod can adjust height flexibly, adapts different installation demand. The lower surface of connecting rod is fixed with the pressing plate, can provide stable support, the lower surface of roof is fixed with the outer rod, and the lower surface of outer rod swing splices the fixed frame, this design makes the fixed frame can adjust position flexibly, adapts different installation demand, and the side outer end surface of fixed frame swing splices the inner rod, and the side outer end surface of inner rod is connected with the limiting rod, this design makes the limiting rod can adjust position flexibly, adapts different installation demand. The side outer end surface of limiting rod is fixed with the support plate, can provide stable support. ACCURACY

[0017] Figure 1 It is the main view structural schematic drawing of the utility model;

[0018] Figure 2 It is the enlarged structure schematic drawing of the outer rod of the utility model;

[0019] Figure 3 It is the enlarged structure schematic drawing of the inner rod of the utility model;

[0020] Figure 4 It is the enlarged structure schematic drawing of the outer plate of the utility model;

[0021] Figure 5 It is the enlarged structure schematic drawing of the outlet pipe of the utility model;

[0022] Figure 6 It is the electric structure schematic drawing of the utility model.

[0023] In the figure: 1, handle; 2, sealing cover; 3, monitoring box body; 4, supporting leg; 5, mounting frame; 6, fixing bolt; 7, position sensor; 8, fixed rod; 9, outer plate; 10, connecting rod; 11, fixing frame; 12, discharge pipe; 13, outer rod; 14, inner rod; 15, fixing plate; 16, screw; 17, supporting plate; 18, limiting rod; 19, mounting groove; 20, displacement sensor; 21, controller; 22, inner plate; 23, connecting frame; 24, fixed tube; 25, connecting tube; 26, discharge valve; 27, discharge head; 28, control center; 29, top plate; 30, pressing plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Embodiment one

[0026] Please refer to Figures 1 to 6 The utility model provides an embodiment: a working face roof safety real -time dynamic monitoring device, including monitoring box body 3, outer rod 13 and top plate 29, the outer surface of top plate 29 is sleeved with mounting frame 5, and the lower surface of mounting frame 5 is installed with position sensor 7, the lower surface of top plate 29 is fixed with outer plate 9, and the lower surface of outer plate 9 is provided with mounting groove 19, and the inside of mounting groove 19 is movably inserted with inner plate 22, and the lower surface of inner plate 22 is installed with displacement sensor 20, the lower surface of inner plate 22 is installed with controller 21, the upper surface of monitoring box body 3 is hinged with sealing cover 2, and the upper surface of sealing cover 2 is welded with handle 1, the lower surface of monitoring box body 3 is welded with supporting leg 4, and supporting leg 4 is fixed on the upper surface of mounting frame 5, the lower surface of monitoring box body 3 is communicated with discharge pipe 12, and the lower surface of discharge pipe 12 is communicated with fixed tube 24, one side outer end surface of fixed tube 24 is movably inserted with connecting frame 23, and the lower surface of connecting frame 23 is movably inserted with connecting tube 25, the outer surface of connecting tube 25 is threadedly connected with discharge valve 26, and the lower surface of connecting tube 25 is communicated with discharge head 27, the inside of monitoring box body 3 is installed with control center 28, the signal transmitting end of position sensor 7 and displacement sensor 20 is electrically connected with the signal receiving end of controller 21, and the signal transmitting end of controller 21 is electrically connected with the signal receiving end of discharge valve 26 and control center 28.

[0027] Of course, as is well known to those skilled in the art, the monitoring box body 3, the position sensor 7, the outer plate 9, the outer rod 13, the displacement sensor 20, the controller 21, the discharge valve 26 and the control center 28 of the utility model also need to be provided with a power device to make them work normally, and as is well known to those skilled in the art, the provision of the power is common, which all belongs to the conventional means or common general knowledge, and here will not be repeated, and those skilled in the art can make any selection according to their needs or convenience.

[0028] Based on the working face roof safety real-time dynamic monitoring device of example 1, the position sensor 7 and the displacement sensor 20 can monitor the position of the roof 29, when the moving distance of the roof 29 exceeds the set value, the position sensor 7 and the displacement sensor 20 transmit signals to the controller 21, the controller 21 transmits signals to the discharge valve 26 and the control center 28, and the control center 28 can obtain the disaster degree according to the moving distance, the monitoring box body 3 is provided with a slurry storage box, a handheld connecting frame 23, a hand-pulling connecting frame 23, the connecting frame 23 drives the discharge head 27 to move, the discharge head 27 is moved to the installation position, the controller 21 opens the discharge valve 26 in time, the concrete slurry enters the fixed pipe 24 and the connecting frame 23 through the discharge pipe 12, and then enters the loose gap inside through the connecting pipe 25 and the discharge head 27.

[0029] The lower surface of the mounting frame 5 is provided with the position sensor 7, which can monitor the position change of the roof 29 in real time, the lower surface of the outer plate 9 is provided with the mounting groove 19, and the inner plate 22 is movably inserted into the mounting groove 19, which makes the inner plate 22 can be flexibly adjusted in position to adapt to different installation requirements. The lower surface of the inner plate 22 is provided with the displacement sensor 20, which can monitor the displacement change of the inner plate 22 in real time, one side of the fixed pipe 24 is movably inserted with the connecting frame 23, and the lower surface of the connecting frame 23 is movably inserted with the connecting pipe 25, which makes the connecting pipe 25 can be conveniently installed and disassembled, and is convenient for maintenance and replacement. The outer surface of the connecting pipe 25 is threadedly connected with the discharge valve 26, which can accurately control the discharge amount, the electrical connection makes the signal transmission speed fast, the controller 21 can quickly receive the signal of the sensor and process and control, which improves the response speed and working efficiency of the system.

[0030] Example two

[0031] As Figures 1-6The utility model discloses a kind of working face roof safety real-time dynamic monitoring devices, compared with embodiment one, this embodiment further include monitoring box body 3, outer rod 13 and roof 29, the lower surface of mounting bracket 5 is welded with fixed rod 8, and the outer end surface of one side of fixed rod 8 is threadedly connected with fixed bolt 6, the lower surface of fixed rod 8 is movably inserted with connecting rod 10, and the lower surface of connecting rod 10 is fixed with pressing plate 30, the lower surface of roof 29 is fixed with outer rod 13, the lower surface of outer rod 13 is movably inserted with fixed frame 11, and the outer end surface of one side of fixed frame 11 is movably inserted with inner rod 14, the outer end surface of one side of inner rod 14 is threadedly connected with limit rod 18, and the outer end surface of one side of limit rod 18 is fixed with support plate 17, the outer end surface of both sides of support plate 17 is fixed with fixed plate 15, and the inside of fixed plate 15 is threadedly connected with screw 16.

[0032] In this embodiment, the lower surface of fixed rod 8 is movably inserted with connecting rod 10, which allows the height of connecting rod 10 to be adjusted flexibly, adapting to different installation requirements. The lower surface of connecting rod 10 is fixed with pressing plate 30, which can provide stable support. The lower surface of roof 29 is fixed with outer rod 13, and the lower surface of outer rod 13 is movably inserted with fixed frame 11, which allows the position of fixed frame 11 to be adjusted flexibly, adapting to different installation requirements. The outer end surface of one side of fixed frame 11 is movably inserted with inner rod 14, and the outer end surface of one side of inner rod 14 is threadedly connected with limit rod 18, which allows the position of limit rod 18 to be adjusted flexibly, adapting to different installation requirements. The outer end surface of one side of limit rod 18 is fixed with support plate 17, which can provide stable support.

[0033] It is apparent for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A working face roof safety real-time dynamic monitoring device, comprising a monitoring box body (3), an outer rod (13) and a roof (29), characterized in that: The outer surface of the top plate (29) is sleeved with a mounting frame (5), a position sensor (7) is mounted on the lower surface of the mounting frame (5), the lower surface of the top plate (29) is fixedly connected with an outer rod (13), the lower surface of the outer rod (13) is movably connected with a fixing frame (11), one side of the outer end surface of the fixing frame (11) is movably connected with an inner rod (14), the lower surface of the top plate (29) is fixedly connected with an outer plate (9), the lower surface of the outer plate (9) is provided with a mounting groove (19), the inner part of the mounting groove (19) is movably connected with an inner plate (22), the lower surface of the inner plate (22) is mounted with a displacement sensor (20), the lower surface of the inner plate (22) is mounted with a controller (21), the lower surface of the monitoring box body (3) is welded with a supporting leg (4), the supporting leg (4) is fixed on the upper surface of the mounting frame (5), the lower surface of the monitoring box body (3) is communicated with a discharge pipe (12), the lower surface of the discharge pipe (12) is communicated with a fixing pipe (24), and the inner part of the monitoring box body (3) is mounted with a control center (28).

2. The working face roof safety real-time dynamic monitoring device according to claim 1, characterized in that: The upper surface of the monitoring box body (3) is hingedly connected with a sealing cover (2), and the upper surface of the sealing cover (2) is welded with a handle (1).

3. The working face roof safety real-time dynamic monitoring device according to claim 1, characterized in that: The lower surface of the mounting frame (5) is welded with a fixing rod (8), and one side of the outer end surface of the fixing rod (8) is threadedly connected with a fixing bolt (6).

4. The working face roof safety real-time dynamic monitoring device according to claim 3, characterized in that: The lower surface of the fixing rod (8) is movably connected with a connecting rod (10), and the lower surface of the connecting rod (10) is fixedly connected with a pressing plate (30).

5. The working face roof safety real-time dynamic monitoring device according to claim 1, characterized in that: One side of the outer end surface of the inner rod (14) is threadedly connected with a limiting rod (18), and one side of the outer end surface of the limiting rod (18) is fixedly connected with a supporting plate (17).

6. The working face roof safety real-time dynamic monitoring device according to claim 5, characterized in that: Both sides of the outer end surface of the supporting plate (17) are fixedly connected with a fixing plate (15), and the inner part of the fixing plate (15) is threadedly connected with a screw (16).

7. The working face roof safety real-time dynamic monitoring device according to claim 1, characterized in that: One side of the outer end surface of the fixing pipe (24) is movably connected with a connecting frame (23), the lower surface of the connecting frame (23) is movably connected with a connecting pipe (25), the outer surface of the connecting pipe (25) is threadedly connected with a discharge valve (26), and the lower surface of the connecting pipe (25) is communicated with a discharge head (27).

8. The working face roof safety real-time dynamic monitoring device according to claim 1, characterized in that: The signal emitting end of the position sensor (7) and the displacement sensor (20) is electrically connected with the signal receiving end of the controller (21), and the signal emitting end of the controller (21) is electrically connected with the signal receiving end of the discharge valve (26) and the control center (28).