A dynamic monitoring device for overburden strata in goaf area

Abstract

The present invention provides a dynamic monitoring device for overburden in goaf areas, comprising a monitoring device body, the monitoring device body comprising a movable seat, a fixed seat movably mounted on the top of the movable seat, a motor box fixedly mounted on the fixed seat, a ring seat movably mounted on the side of the motor box, and a lifting mechanism fixedly mounted on the fixed seat. In the dynamic monitoring device for overburden in goaf areas, when in use, the displacement mechanism pushes the movable disk to move outward, and the movable disk contacts overburden in different layers. Later, through the relative installation of the displacement sensor, a warning message is issued when the displacement sensor is misaligned, and the settlement of the overburden is monitored. In addition, the monitoring component completes multi-point monitoring from different directions, and when it is taken out later, the movable disk shrinks inside the opening to avoid damage, so as to facilitate the rapid removal of the entire device.

Description

Technical Field

[0001] The invention relates to the field of monitoring equipment, and in particular to a dynamic monitoring device for overlying rock strata in a goaf area. Background Art

[0002] The monitoring of the overburden layer in the goaf area needs to be monitored by an insertable settlement monitoring device. The probe needs to be inserted into the bottom of the borehole to observe the settlement of the rock mass. The traditional insertable settlement monitoring device is limited to monitoring the bottom of the borehole, and the collected data is periodic readings, which cannot fully realize the monitoring of different depth levels of the overburden layer.

[0003] According to a patent document with an existing publication number of CN210919158U, a monitoring device for overlying rock formations in a goaf is disclosed, which includes a dynamic deformation monitoring system and a data acquisition system; the dynamic deformation monitoring system is located inside the overlying rock formations in the goaf, and the deformation monitoring system includes a stress-bearing rod, which is located in a borehole in the rock body of the overlying rock formations in the goaf and is connected to the data acquisition system for monitoring the dynamic changes of the rock body; the data acquisition system is located above the overlying rock formations in the goaf, and the data acquisition system is connected to the dynamic deformation monitoring system. When the technical solution is in use, the dynamic deformation monitoring system penetrates deep into the overlying rock formations in the goaf and can monitor dynamic deformation information at different depths inside the rock body. The data acquisition system can collect the information monitored by the deformation monitoring system in real time and send it to the terminal system. With respect to the above technical solution, the monitoring components inside the solution cannot effectively contact with external materials, and cannot effectively generate fixed points with external materials, which is inconvenient when used. Summary of the invention

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a dynamic monitoring device for overlying rock strata in goaf areas to solve the problems raised in the above-mentioned background technology. The present invention has a novel structure. When in use, the displacement mechanism pushes the movable disk to move outward, and the movable disk contacts with overlying rock strata at different levels. Later, through the relative installation of displacement sensors, a warning message is issued when the displacement sensors are misplaced, thereby completing the monitoring of the settlement of the overlying rock strata. In addition, the monitoring components complete multi-point monitoring from different directions. When it is taken out later, the movable disk shrinks inside the opening to avoid damage, thereby facilitating the rapid removal of the entire equipment.

[0005] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical scheme: a dynamic monitoring device for overlying rock strata in a goaf area, comprising a monitoring device body, the monitoring device body comprising a movable seat, a fixed seat movably mounted on the top of the movable seat, a motor box fixedly mounted on the fixed seat, a ring seat movably mounted on the side of the motor box, a lifting mechanism fixedly mounted on the fixed seat, a warning component movably mounted on the lifting mechanism, a power mechanism fixedly mounted on the top of the motor box, a threaded column mounted on the power mechanism, and a support tube fixedly mounted on the bottom of the fixed seat.

[0006] Furthermore, a movable tube is movably mounted on one end of the support tube, a conical seat is mounted on one end of the movable tube, an opening is formed on the movable tube, and a monitoring component is movably mounted inside the opening.

[0007] Furthermore, the monitoring component includes a fixed plate, the fixed plate is fixedly mounted inside the opening, a displacement mechanism is fixedly mounted on the fixed plate, and a movable plate is movably mounted on one end of the displacement mechanism.

[0008] Furthermore, a slide groove is provided on the movable disk, a slider is movably installed inside the slide groove, a movable column is fixedly installed on the slider, and the movable column is installed on the displacement mechanism.

[0009] Furthermore, a support mechanism is fixedly installed inside the slide groove, one end of the support mechanism is fixed on the slider, and a displacement sensor is fixedly installed on the movable disk.

[0010] Furthermore, a fixing column is welded on the fixing seat, one end of which is fixedly mounted on the bottom of the motor box, and a control box is fixedly mounted on the fixing seat, and the control box is installed inside the motor box.

[0011] Furthermore, an inclined plate is welded to the bottom of the movable seat, a limiting hole is opened on the movable seat, the limiting hole cooperates with the lifting mechanism, an opening is opened on the movable seat, a bearing is installed on the side of the opening, and the bearing is installed between the fixed seat and the movable seat.

[0012] Furthermore, a fixing groove is formed inside the support tube, a reset mechanism is fixedly installed inside the fixing groove, a support plate is fixedly installed at one end of the reset mechanism, and one end of the support plate is movably in contact with the movable tube.

[0013] Furthermore, a sealing tube is fixed inside the support tube, the outer wall of the sealing tube is in contact with the inner wall of the movable tube, and the threaded column is rotatably installed inside the support tube and the movable tube.

[0014] Furthermore, a threaded seat is rotatably mounted on the threaded column, a connecting tube is fixedly mounted on the threaded seat, one end of the connecting tube is fixedly mounted on the conical seat, one end of the threaded column is mounted on the conical seat through the rotating seat, a limiting block is fixed on the conical seat, and one end of the limiting block is in contact with the movable tube.

[0015] Beneficial effects of the present invention: A dynamic monitoring device for overlying rock strata in a goaf area of ​​the present invention comprises a movable seat; a fixed seat; a lifting mechanism; a warning assembly; an electric motor box; a ring seat; a power mechanism; an inclined plate; a support pipe; a movable pipe; a conical seat; an opening; a monitoring assembly; a fixed plate; a displacement mechanism; a movable column; a slider; a movable plate; a support mechanism; a displacement sensor; a control box; a fixed column; a limit hole; a bearing; an opening; a threaded column; a fixed groove; a reset mechanism; a support plate; a threaded seat; a connecting pipe; and a sealing pipe.

[0016] 1. This is a dynamic monitoring device for overlying strata in goaf areas. When in use, the displacement mechanism pushes the movable disk to move outward, and the movable disk contacts with overlying strata at different levels. Later, through the relative installation of displacement sensors, a warning message is issued when the displacement sensors are misplaced, thereby completing the monitoring of the settlement of the overlying strata. In addition, the monitoring components complete multi-point monitoring from different directions. When the movable disk is taken out later, it shrinks inside the opening to avoid damage, so as to facilitate the rapid removal of the entire equipment.

[0017] 2. A dynamic monitoring device for overlying rock strata in a goaf. In the later stage, a threaded column pushes the conical seat downward to open up a channel, so that the movable tube can be placed at different depths. In addition, when the later movable tube moves upward with the conical seat, the support rod generates a supporting force for the top of the movable tube. The later movable tube rotates with the conical seat, and the support rod can scrape the soil on the top of the movable tube to avoid the impact caused by too much soil being clamped between the later movable tube and the support tube and being unable to contact.

[0018] 3. A dynamic monitoring device for overlying rock strata in a goaf area, wherein the movable seat rotates to insert the inclined plate obliquely on the ground, and the lifting mechanism enters into the limiting hole to limit the movable seat. Later, under the push of the lifting mechanism, the movable seat drives the supporting pipe to move upward as a whole, so as to facilitate the overall removal and use of the equipment in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a dynamic monitoring device for overlying rock formations in a goaf area according to the present invention;

[0020] Figure 2 It is a structural schematic diagram of a monitoring component of a dynamic monitoring device for overlying rock formations in a goaf area according to the present invention;

[0021] Figure 3 It is a structural schematic diagram of a fixed column of a dynamic monitoring device for overlying rock formations in a goaf area according to the present invention;

[0022] Figure 4 It is a structural schematic diagram of a movable seat of a dynamic monitoring device for overlying rock formations in a goaf area according to the present invention;

[0023] Figure 5 It is a schematic diagram of the cross-sectional structure of a movable pipe of a dynamic monitoring device for overburden strata in a goaf area of ​​the present invention;

[0024] Figure 6 It is a schematic diagram of the top view structure of a support pipe of a dynamic monitoring device for overlying rock formations in a goaf area according to the present invention;

[0025] In the figure: 1. movable seat; 2. fixed seat; 3. lifting mechanism; 4. warning component; 5. motor box; 6. ring seat; 7. power mechanism; 8. inclined plate; 9. support tube; 10. movable tube; 11. conical seat; 12. opening; 13. monitoring component; 14. fixed plate; 15. displacement mechanism; 16. movable column; 17. slider; 18. movable plate; 19. support mechanism; 20. displacement sensor; 21. control box; 22. fixed column; 23. limit hole; 24. bearing; 25. opening; 26. threaded column; 27. fixed groove; 28. reset mechanism; 29. ​​support plate; 30. threaded seat; 31. connecting pipe; 32. sealing pipe. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0027] See also Figures 1 to 6 The present invention provides a technical solution: a dynamic monitoring device for overlying rock strata in a goaf area, comprising a monitoring device body, the monitoring device body comprising a movable seat 1, a fixed seat 2 is movably installed on the top of the movable seat 1, a motor box 5 is fixedly installed on the fixed seat 2, a ring seat 6 is movably installed on the side of the motor box 5, a lifting mechanism 3 is fixedly installed on the fixed seat 2, the lifting mechanism 3 is an electric push rod, the lifting mechanism 3 enters into the interior of the limiting hole 23 to limit the movable seat 1, and later, under the push of the lifting mechanism 3, the movable seat 1 drives the supporting tube 9 to move upward as a whole, so as to facilitate the overall removal and use of the equipment in the later stage, a warning component 4 is movably installed on the lifting mechanism 3, a power mechanism 7 is fixedly installed on the top of the motor box 5, a threaded column 26 is installed on the power mechanism 7, a support tube 9 is fixedly installed on the bottom of the fixed seat 2, the power mechanism 7 is a DC motor, the DC motor drives the rotation of the threaded column 26, and the rotation of the threaded column 26 drives the conical seat 11 and the movable tube 10 to move downward.

[0028] In this embodiment, a movable tube 10 is movably installed at one end of the support tube 9, and a conical seat 11 is installed at one end of the movable tube 10. An opening 12 is opened on the movable tube 10, and a monitoring component 13 is movably installed inside the opening 12. The monitoring component 13 includes a fixed plate 14, and the fixed plate 14 is fixedly installed inside the opening 12. A displacement mechanism 15 is fixedly installed on the fixed plate 14, and a movable plate 18 is movably installed at one end of the displacement mechanism 15. The movable plate 18 is opened with a slide groove, and a slider 17 is movably installed inside the slide groove. A movable column 16 is fixedly installed on the slider 17, and the movable column 16 is installed on the displacement mechanism 15. The displacement mechanism 15 is an electric push rod, which pushes the movable plate 18 to move outward so that the movable plate 18 contacts the inner wall of the external overburden layer. The warning component 4 is a warning light, which flashes at night to remind passers-by to pay attention to the goaf and avoid damage caused by collision with the motor box 5.

[0029] In this embodiment, a support mechanism 19 is fixedly installed inside the slide groove, one end of the support mechanism 19 is fixed on the slider 17, a displacement sensor 20 is fixedly installed on the movable plate 18, a fixing column 22 is welded on the fixed seat 2, one end of the fixing column 22 is fixedly installed on the bottom of the motor box 5, a control box 21 is fixedly installed on the fixed seat 2, and the control box 21 is installed inside the motor box 5, an inclined plate 8 is welded on the bottom of the movable seat 1, a limiting hole 23 is opened on the movable seat 1, and the limiting hole 23 cooperates with the lifting mechanism 3, an opening 25 is opened on the movable seat 1, and a bearing 24 is installed on the side of the opening 25, and the bearing 24 is installed between the fixed seat 2 and the movable seat 1, and a second displacement sensor is fixedly installed on the fixed plate 14, and the second displacement sensor cooperates with the displacement sensor 20 to monitor the settlement of the overburden layer.

[0030] In this embodiment, a fixing groove 27 is opened inside the support tube 9, and a reset mechanism 28 is fixedly installed inside the fixing groove 27. A support plate 29 is fixedly installed on one end of the reset mechanism 28, and one end of the support plate 29 is movably in contact with the movable tube 10. A sealing tube 32 is fixed inside the support tube 9, and the outer wall of the sealing tube 32 is in contact with the inner wall of the movable tube 10. The threaded column 26 is rotatably installed inside the support tube 9 and the movable tube 10. A threaded seat 30 is rotatably installed on the threaded column 26, and a connecting tube 31 is fixedly installed on the threaded seat 30. One end of the connecting tube 31 is fixedly installed on the conical seat 11, and one end of the threaded column 26 is installed on the conical seat 11 through a rotating seat. A limiting block is fixed on the conical seat 11, and one end of the limiting block is in contact with the movable tube 10. The support mechanism 19 and the reset mechanism 28 are both spring structures. The support mechanism 19 provides the required space for the movement of the movable disk 18, so as to achieve up and down misalignment to complete monitoring.

[0031] The device provides the required electric energy for the electrical appliances inside the device through an external power supply. When using the device, firstly, the support tube 9 and the movable tube 10 are placed inside the borehole, and the power mechanism 7 is started to drive the threaded column 26 to rotate. When the threaded column 26 rotates, the threaded seat 30 is driven to move downward. When the threaded seat 30 moves downward, it pushes the conical seat 11 down through the connecting tube 31. The conical seat 11 loses the supporting force for the movable tube 10. The support plate 29 moves the movable tube 10 on the sealing tube 32 under the push of the reset mechanism 28, so that the movable tube 10 moves to different depths. After the position adjustment of the movable tube 10 is completed, the displacement mechanism 15 is controlled to work through an external device. The displacement mechanism 15 pushes the movable disk 18 to move outward, so that the fixed disk 18 contacts the inner wall of the external overburden. A second displacement sensor is fixedly installed on the fixed disk 14. The second displacement sensor is aligned with the displacement sensor 20. After the alignment, the data is initialized. When the movable disk 18 sinks with the overburden, the displacement sensor 20 transmits the data to the inside of the control box 21. , transmitted to the external equipment through the control box 21, thereby completing the warning function, after the movable tube 10 is installed, the movable seat 1 is rotated, and the movable seat 1 rotates to insert the inclined plate 8 at the bottom into the ground in an inclined manner, and the inclined plate 8 provides up and down limits for the movable seat 1. After the movable seat 1 rotates 90 degrees, the limiting hole 23 moves to the bottom of the lifting mechanism 3, and the lifting mechanism 3 is started to contact the ground through the limiting hole 23. The lifting mechanism 3 limits the movable seat 1 left and right to avoid the impact caused by the shaking of the movable seat 1 during use. Later, after use, the movable disk 18 shrinks to the inside of the opening 12 to reduce the friction between the movable disk 18 and the overburden. In addition, the power mechanism 7 is started to rotate, and the threaded column 26 drives the conical seat 11 to move upward. After the conical seat 11 moves upward, it pushes the movable tube 10 to move upward. The support plate 29 and the sealing tube 32 cooperate to provide double support force for the movable tube 10 to avoid damage caused by the tilt of the movable tube 10, and then the lifting mechanism 3 is started to push the movable seat 1 and the support tube 9 to move upward, and the support tube 9 is taken out from the inside of the borehole.

[0032] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0033] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A dynamic monitoring device for overlying rock formations in a goaf area, comprising a monitoring device body, characterized in that: The monitoring device body comprises a movable seat (1), a fixed seat (2) is movably mounted on the top of the movable seat (1), a motor box (5) is fixedly mounted on the fixed seat (2), a ring seat (6) is movably mounted on the side of the motor box (5), a lifting mechanism (3) is fixedly mounted on the fixed seat (2), a warning component (4) is movably mounted on the lifting mechanism (3), a power mechanism (7) is fixedly mounted on the top of the motor box (5), a threaded column (26) is mounted on the power mechanism (7), and a support tube (9) is fixedly mounted on the bottom of the fixed seat (2). A movable tube (10) is movably mounted on one end of the support tube (9), a conical seat (11) is mounted on one end of the movable tube (10), an opening (12) is formed on the movable tube (10), a monitoring component (13) is movably mounted inside the opening (12), an inclined plate (8) is welded to the bottom of the movable seat (1), a limiting hole (23) is formed on the movable seat (1), the limiting hole (23) cooperates with the lifting mechanism (3), an opening (25) is formed on the movable seat (1), a bearing (24) is mounted on the side of the opening (25), and the bearing (24) is installed between the fixed seat (2) and the movable seat (1). The movable seat (1) rotates to insert the inclined plate (8) at the bottom into the ground in an inclined manner. The inclined plate (8) provides upper and lower limits for the movable seat (1). After the movable seat (1) rotates 90 degrees, the limit hole (23) moves to the bottom of the lifting mechanism (3). The lifting mechanism (3) is started to contact the ground through the limit hole (23). The lifting mechanism (3) limits the movable seat (1) left and right to avoid the influence caused by the shaking of the movable seat (1) during use. A sealing tube (32) is fixed inside the support tube (9). The outer wall of the sealing tube (32) contacts the inner wall of the movable tube (10); the threaded column (26) is rotatably mounted inside the support tube (9) and the movable tube (10); a threaded seat (30) is rotatably mounted on the threaded column (26); a connecting tube (31) is fixedly mounted on the threaded seat (30); one end of the connecting tube (31) is fixedly mounted on the conical seat (11); one end of the threaded column (26) is mounted on the conical seat (11) via a rotatable seat; a limiting block is fixed on the conical seat (11); one end of the limiting block is in contact with the movable tube (10).

2. The dynamic monitoring device for overlying rock strata in goaf area according to claim 1 is characterized in that: The monitoring component (13) comprises a fixed plate (14), the fixed plate (14) being fixedly mounted inside the opening (12), a displacement mechanism (15) being fixedly mounted on the fixed plate (14), and a movable plate (18) being movably mounted on one end of the displacement mechanism (15).

3. A dynamic monitoring device for overlying rock strata in a goaf area according to claim 2, characterized in that: The movable plate (18) is provided with a slide groove, a slider (17) is movably mounted inside the slide groove, a movable column (16) is fixedly mounted on the slider (17), and the movable column (16) is mounted on the displacement mechanism (15).

4. The dynamic monitoring device for overlying rock strata in goaf area according to claim 3 is characterized by: A support mechanism (19) is fixedly installed inside the slide groove, one end of the support mechanism (19) is fixed on the slider (17), and a displacement sensor (20) is fixedly installed on the movable disk (18).

5. The dynamic monitoring device for overlying rock strata in goaf area according to claim 1 is characterized by: A fixing column (22) is welded to the fixing seat (2), one end of the fixing column (22) is fixedly mounted on the bottom of the motor box (5), and a control box (21) is fixedly mounted on the fixing seat (2), the control box (21) being mounted inside the motor box (5).

6. The dynamic monitoring device for overlying rock strata in goaf area according to claim 1, characterized in that: A fixing groove (27) is formed inside the support tube (9), a reset mechanism (28) is fixedly installed inside the fixing groove (27), a support plate (29) is fixedly installed at one end of the reset mechanism (28), and one end of the support plate (29) is movable to contact with the movable tube (10).

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