Coal mine goaf settlement monitoring device

Abstract

The utility model discloses a coal mine goaf settlement monitoring device which comprises a vertical rod body, the vertical rod body is sleeved with a first lantern ring and a second lantern ring, the surface of the first lantern ring is provided with a horizontal supporting plate, the supporting plate is perpendicular to the first lantern ring, and the surface of the supporting plate is provided with a plurality of through holes. The surface of the second lantern ring is provided with four laser emitters which are distributed at equal intervals in a surrounding mode. A hanging ring is arranged at the bottom end of the vertical rod body, a chain is hung on the hanging ring, a storage battery is arranged at the top end of the vertical rod body, and the storage battery is in circuit connection with the laser transmitter. According to the utility model, the device can relatively extend into a ground crack and is firmly fixed on the surface of a soil block, laser emitted by the laser emitter can play a reference role, and when the soil block settles, laser rays can be exposed out of the soil block, so that the soil block is prevented from falling off. Measurement personnel can judge the settlement condition of the soil block by observing the distance between the laser line and the surface of the soil block.

Description

Technical Field

[0001] This utility model relates to the field of coal mine goaf monitoring technology, specifically a coal mine goaf settlement monitoring device. Background Technology

[0002] With the continuous mining of underground coal mines, goaf areas are formed after mining is completed. These goaf areas no longer support the soil layers above them, posing a significant risk of subsidence. If subsidence occurs, personnel and machinery above will fall into the goaf, causing even greater harm. Therefore, monitoring equipment is needed to monitor the subsidence of the goaf soil in real time. During the large-scale subsidence process, many soil cracks will appear in the goaf soil. As the cracks become deeper and larger, the risk of large-scale subsidence increases sharply. Monitoring the subsidence of goaf areas is of great significance for safe production, protecting the safety of personnel and machinery, and preventing further deterioration of the soil environment in goaf areas.

[0003] In view of the above situation, this utility model is proposed. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a coal mine goaf settlement monitoring device to solve the problems mentioned in the background technology.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution.

[0006] This utility model provides a coal mine goaf settlement monitoring device, including a vertical rod body, on which a first ring and a second ring are sleeved. A horizontal support plate is provided on the surface of the first ring, and the support plate is perpendicular to the first ring. A plurality of through holes are provided on the surface of the support plate. Four laser emitters are provided on the surface of the second ring.

[0007] The bottom of the vertical rod is provided with a hanging ring, on which a chain is hung. The top of the vertical rod is provided with a storage battery, and the storage battery circuit is connected to the laser emitter.

[0008] Preferably, the plurality of through holes are distributed along the length direction of the support plate.

[0009] Preferably, a first fastening bolt is provided on the side of the first collar, the first fastening bolt passes through the first collar and abuts against the vertical rod body, and a second fastening bolt is provided on the side of the second collar, the second fastening bolt passes through the second collar and abuts against the vertical rod body.

[0010] Preferably, the length of the chain is greater than the length of the vertical rod.

[0011] Preferably, a control switch is also provided at the top of the vertical rod, and the control switch is installed on the connection circuit between the battery and the laser emitter.

[0012] Preferably, both the first and second fastening bolts have rubber pads at the ends near the vertical rod.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] It can penetrate into surface cracks and be firmly fixed to the surface of soil blocks. The laser emitted by the laser emitter can serve as a reference. When the soil block settles, the laser line can be exposed from the soil block. The surveyor can judge the settlement of the soil block by observing the distance between the laser line and the surface of the soil block. The device has a simple and reliable structure and can be widely used in detecting soil settlement in coal mine goaf areas. Attached Figure Description

[0015] Figure 1 This is a perspective view of the present utility model;

[0016] Figure 2 This is a perspective view of the present invention from another angle;

[0017] Figure 3 This is a schematic diagram illustrating the application scenario of this utility model installed between two soil blocks in a surface crack.

[0018] In the diagram: 1. Vertical rod; 11. Hanging ring; 12. Chain; 13. Battery; 2. First ring; 21. Support plate; 22. Through hole; 23. First fastening bolt; 3. Second ring; 31. Laser emitter; 32. Second fastening bolt; 4. Soil block; 5. Surface crack. Detailed Implementation

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] like Figure 1-3As shown, a coal mine goaf settlement monitoring device includes a vertical rod 1, on which a first ring 2 and a second ring 3 are fitted. The vertical rod 1 is inserted into the first ring 2 and the second ring 3. The first ring 2 and the second ring 3 can move on the vertical rod 1. A horizontal support plate 21 is provided on the surface of the first ring 2. The support plate 21 is perpendicular to the first ring 2. A plurality of through holes 22 are provided on the surface of the support plate 21. Four laser emitters 31 are arranged equidistantly around the surface of the second ring 3. The laser emitters 31 can emit laser lines.

[0021] A hanging ring 11 is provided at the bottom of the vertical rod 1, and a chain 12 is hung on the hanging ring 11. A storage battery 13 is provided at the top of the vertical rod 1. The storage battery 13 is electrically connected to the laser emitter 31 to supply power to the laser emitter 31.

[0022] Multiple through holes 22 are distributed along the length of the support plate 21.

[0023] The first ring 2 has a first fastening bolt 23 on its side, which passes through the first ring 2 and abuts against the vertical rod 1. The second ring 3 has a second fastening bolt 32 on its side, which passes through the second ring 3 and abuts against the vertical rod 1. The first fastening bolt 23 can fix the first ring 2 to the vertical rod 1, and the second fastening bolt 32 can fix the second ring 3 to the vertical rod 1.

[0024] The length of chain 12 is greater than the length of vertical rod 1.

[0025] A control switch is also provided at the top of the vertical rod 1. The control switch is installed on the connection circuit between the storage battery 13 and the laser emitter 31.

[0026] Rubber pads are provided at the ends of the first fastening bolt 23 and the second fastening bolt 32 near the vertical rod 1.

[0027] The chain 12 guides the vertical rod 1 as it is installed on the soil block 4. During installation, the chain 12 is first placed into the surface crack 5, and then the vertical rod 1 is slowly inserted into the surface crack 5.

[0028] In summary, for reference Figure 3 Two of these inventions are placed into the surface crack 5 respectively. Bolts are used to pass through the through hole 22 to fix the support plate 21 to the surface of the soil block 4. At this time, the two sets of laser emitters 31 are located in the surface crack 5. When one of the soil blocks 4 settles, the laser emitted by the laser emitter 31 of the other soil block 4 can be exposed, making it easy for personnel to observe. By observing the distance between the exposed laser and the surface of the settled soil block 4, the settlement distance of the settled soil block 4 can be determined.

[0029] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A coal mine goaf settlement monitoring device, characterized in that: Includes a vertical rod body (1), on which a first collar (2) and a second collar (3) are fitted. The surface of the first collar (2) is provided with a horizontal support plate (21), which is perpendicular to the first collar (2). The surface of the support plate (21) is provided with a plurality of through holes (22). The surface of the second collar (3) is provided with four laser emitters (31) that are equidistantly distributed around it. The bottom end of the vertical rod (1) is provided with a hanging ring (11), on which a chain (12) is hung. The top end of the vertical rod (1) is provided with a storage battery (13), which is electrically connected to a laser emitter (31).

2. The coal mine goaf settlement monitoring device according to claim 1, characterized in that: The plurality of through holes (22) are distributed along the length of the support plate (21).

3. The coal mine goaf settlement monitoring device according to claim 1, characterized in that: The first collar (2) has a first fastening bolt (23) on its side, the first fastening bolt (23) passes through the first collar (2) and abuts against the vertical rod (1), and the second collar (3) has a second fastening bolt (32) on its side, the second fastening bolt (32) passes through the second collar (3) and abuts against the vertical rod (1).

4. The coal mine goaf settlement monitoring device according to claim 1, characterized in that: The length of the chain (12) is greater than the length of the vertical rod (1).

5. A coal mine goaf settlement monitoring device according to claim 1, characterized in that: The top of the vertical rod (1) is also provided with a control switch, which is installed on the connection circuit between the battery (13) and the laser emitter (31).

6. A coal mine goaf settlement monitoring device according to claim 3, characterized in that: Both the first fastening bolt (23) and the second fastening bolt (32) have rubber pads at the ends near the vertical rod (1).

Images