Signal self-detection type micro-seismic monitoring device

Abstract

The utility model discloses a signal self-detection type micro-seismic monitoring device which comprises a protective shell, the bottom end of the protective shell is connected with a middle cylinder, the top end of the protective shell is conical, and the diameter of one end, far away from the protective shell, of the conical structure is smaller than that of one end, close to the protective shell, of the conical structure. The bottom end of the middle cylinder is connected with a bottom conical end, the striking rod and the rotating shaft continuously rotate by starting the rotating motor, the striking block at one end of the striking rod continuously strikes the elastic piece while the striking rod continuously rotates, the elastic piece generates vibration, the vibration is transmitted to the micro-vibration sensor through the middle cylinder, and the micro-vibration sensor is used for detecting the micro-vibration. The striking block and the elastic piece strike and collide to generate regular continuous vibration to the micro-seismic sensor, so that self-checking work is completed, and meanwhile, the striking block is connected with the striking rod through the first spring, so that certain flexibility exists between the striking rod and the striking block, and the situation that the striking block cannot pass through due to blocking generated by the elastic piece during striking is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of mining engineering, in particular to a signal self-detection type microseismic monitoring device. Background Art

[0002] As the mining depth of coal mines increases, dynamic disasters such as rock burst are gradually getting worse. The monitoring equipment used in the prevention and control of rock burst in mines includes microseismic systems, ground sound systems, and stress online monitoring systems. Microseismic monitoring device systems generally provide important early warning parameters for the prevention and control of rock burst by locating and analyzing mine earthquake events at unknown locations. They are widely used in deep mine mining. In order to determine whether the microseismic sensors are working properly, the staff needs to test the sensors at regular intervals.

[0003] In the existing technology, usually underground workers knock near the microseismic sensor, and the synchronous surface workers observe whether the computer receives the signal. The existing monitoring method requires the synchronous operation of the personnel on the well and underground, which makes long-distance communication difficult and wastes human resources. In addition, there are certain differences in each knock.

[0004] Therefore, it is necessary to propose a signal self-detection microseismic monitoring device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a signal self-detection microseismic monitoring device to solve the problem in the prior art that usually underground workers knock near the microseismic sensor, and the synchronous ground workers observe whether the computer receives the signal. The existing monitoring method requires synchronous operation of the personnel on the well and underground, which makes long-distance communication difficult and wastes human resources. In addition, there is a certain difference in each knock.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a signal self-detection type microseismic monitoring device, comprising a protective shell, the bottom end of the protective shell is connected to an intermediate tube, the top of the protective shell is set to a cone, the diameter of the end of the cone structure away from the protective shell is smaller than the diameter of the end close to the protective shell, the bottom end of the intermediate tube is connected to the bottom cone end, a rotating motor is fixed to the top of the inside of the protective shell, the bottom end of the rotating motor is connected to a rotating shaft, a striking rod is fixed to the outside of the rotating shaft, a first spring is fixed to the end of the striking rod away from the rotating shaft, a striking block is fixed to the end of the first spring away from the striking rod, an elastic sheet is fixed to the middle of the inner wall of the protective shell, the elastic sheet and the striking block correspond in position, the interior of the intermediate tube is connected to the interior of the protective shell, and a microseismic sensor is fixed to the inner wall of the intermediate tube.

[0007] Preferably, multiple outer plates are fixed to the outside of the protective shell, the multiple outer plates are protected in an L-shape on the outside of the protective shell, the insides of the multiple outer plates are each provided with through openings, multiple second springs are fixed on both sides of the through openings, and the multiple outer plates are all elastic.

[0008] Preferably, an elastic block is fixed to the top of the protective shell, and a flashing light is embedded inside the top of the elastic block.

[0009] Preferably, a threaded opening is provided at the bottom end of the intermediate tube, and a protruding end is provided at the top end of the bottom conical end, and the protruding end is threadably fitted into the interior of the threaded opening.

[0010] Preferably, a threaded channel is arranged on the outer side of the bottom conical end, and the diameter of the bottom conical end close to the middle tube is larger than the diameter of the bottom conical end away from the middle tube.

[0011] Preferably, the inner bottom end of the bottom conical end is filled with a counterweight.

[0012] Preferably, the bottom conical end is inserted into the interior of the rock wall.

[0013] The beneficial technical effects of the utility model are as follows: in actual operation, by starting the rotating motor, the striking rod and the rotating shaft are continuously rotated. When the striking rod is continuously rotating, the striking block at one end of the striking rod will continuously hit the elastic sheet, causing the elastic sheet to vibrate. The vibration is transmitted to the microseismic sensor through the intermediate tube. The striking collision between the striking block and the elastic sheet generates regular and continuous vibration to the microseismic sensor, thereby completing the self-checking work. At the same time, the striking block is connected to the striking rod through the first spring, so that there is a certain elasticity between the striking rod and the striking block, avoiding the obstruction caused by the elastic sheet during the striking and preventing the striking block from passing. Multiple outer plates can protect the outer side of the protective shell. When rocks fall on the rock wall, multiple outer plates can play a buffering role to prevent the rocks from directly hitting the protective shell and causing damage to the protective shell and the internal structure. At the same time, multiple outer plates can be used as auxiliary handles to facilitate personnel to take. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the signal self-detection type microseismic monitoring device of the utility model.

[0015] Figure 2 The figure is a schematic diagram of the internal structure of the signal self-detection type microseismic monitoring device of the utility model.

[0016] Figure 3 It is a structural schematic diagram of the protruding end of the utility model.

[0017] Figure 4 For this utility model Figure 2 Enlarged schematic diagram at point A in the middle.

[0018] In the figure: 1. protective shell; 2. intermediate tube; 3. bottom conical end; 4. threaded channel; 5. outer plate; 6. through port; 7. first spring; 8. rotating motor; 9. rotating shaft; 10. striking rod; 11. second spring; 12. striking block; 13. elastic sheet; 14. micro-seismic sensor; 15. protruding end; 16. counterweight block; 17. flashing light; 18. elastic block. DETAILED DESCRIPTION

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

[0020] like Figure 1 - Figure 4 As shown, the utility model provides a signal self-detection microseismic monitoring device, including a protective shell 1, the bottom end of the protective shell 1 is connected to an intermediate tube 2, the top of the protective shell 1 is set to be conical, the diameter of the end of the conical structure away from the protective shell 1 is smaller than the diameter of the end close to the protective shell 1, the bottom end of the intermediate tube 2 is connected to a bottom conical end 3, the bottom end of the intermediate tube 2 is provided with a threaded opening, and the top end of the bottom conical end 3 is provided with a protruding end 15, and the protruding end 15 is threadedly matched with the inside of the threaded opening.

[0021] In the actual operation of the utility model, the protective shell 1 and the intermediate tube 2 are fixedly connected as a whole, and the bottom conical end 3 and the intermediate tube 2 can be threadedly installed. In actual installation, a hole can be opened on the rock wall, and then the bottom conical end 3 is inserted into the interior of the rock wall to complete the installation of the overall device.

[0022] A threaded channel 4 is arranged on the outside of the bottom conical end 3, and the diameter of the end of the bottom conical end 3 close to the intermediate tube 2 is larger than the diameter of the end far from the intermediate tube 2. The conical arrangement allows the bottom conical end 3 to be better inserted into the hole of the rock wall, and the threaded channel 4 can be arranged to allow the bottom conical end 3 to be threadedly rotated in the rock wall hole, thereby playing a better fixing role. In addition, a counterweight block 16 is filled at the bottom end of the bottom conical end 3, and the counterweight block 16 can balance the stability of the overall device, making the bottom of the bottom conical end 3 more stable, and avoiding the phenomenon that the protective shell 1 and the intermediate tube 2 are swayed by wind in the mine.

[0023] A rotating motor 8 is fixed to the top of the protective shell 1, and a rotating shaft 9 is connected to the bottom end of the rotating motor 8. A striking rod 10 is fixed to the outside of the rotating shaft 9. A first spring 7 is fixed to the end of the striking rod 10 away from the rotating shaft 9, and a striking block 12 is fixed to the end of the first spring 7 away from the striking rod 10. An elastic sheet 13 is fixed to the middle of the inner wall of the protective shell 1, and the positions of the elastic sheet 13 and the striking block 12 correspond. The interior of the intermediate tube 2 is connected to the interior of the protective shell 1, and a micro-vibration sensor 14 is fixed on the inner wall of the intermediate tube 2.

[0024] In the actual operation of the utility model, by starting the rotating motor 8, the striking rod 10 and the rotating shaft 9 are continuously rotated. While the striking rod 10 is continuously rotating, the striking block 12 at one end of the striking rod 10 will continuously hit the elastic sheet 13, causing the elastic sheet 13 to vibrate. The vibration is transmitted to the microseismic sensor 14 through the intermediate tube 2. The striking and collision between the striking block 12 and the elastic sheet 13 generate regular and continuous vibration to the microseismic sensor 14, thereby completing the self-inspection work. At the same time, the striking block 12 is connected to the striking rod 10 through the first spring 7, so that there is a certain elasticity between the striking rod 10 and the striking block 12, so as to avoid the obstruction caused by the elastic sheet 13 that prevents the striking block 12 from passing through when striking.

[0025] An elastic block 18 is fixed to the top of the protective shell 1, and a flashing light 17 is embedded inside the top of the elastic block 18. The flashing light 17 is connected to the microseismic sensor 14 for signal connection. When the microseismic sensor 14 receives a vibration signal, the flashing light 17 can be turned on to remind people in the mine and improve safety.

[0026] A plurality of outer plates 5 are fixed to the outside of the protective shell 1, and the plurality of outer plates 5 are protected in an L-shape on the outside of the protective shell 1. Through openings 6 are opened inside the plurality of outer plates 5, and a plurality of second springs 11 are fixed on both sides of the through openings 6. The plurality of outer plates 5 are elastic.

[0027] In the actual operation of the present invention, multiple outer panels 5 can protect the outer side of the protective shell 1. When falling rocks occur on the rock wall, the multiple outer panels 5 can play a buffering role to prevent the falling rocks from directly hitting the protective shell 1 and causing damage to the protective shell 1 and the internal structure. At the same time, the multiple outer panels 5 can be used as auxiliary handles to facilitate people to take them.

[0028] Since the bottom conical end 3 and the middle tube 2 can be threadedly connected, when the bottom conical end 3 is stuck in the rock wall hole, the bottom conical end 3 and the middle tube 2 can be disassembled, which is convenient for subsequent installation and disassembly work.

Claims

1. A signal self-detection microseismic monitoring device, characterized in that: The invention comprises a protective shell (1), the bottom end of which is connected to an intermediate cylinder (2), the top end of which is arranged to be conical, the diameter of the end of the conical structure away from the protective shell (1) being smaller than the diameter of the end close to the protective shell (1), the bottom end of which is connected to a bottom conical end (3), a rotating motor (8) being fixed at the top end of the protective shell (1), the bottom end of which is connected to a rotating shaft (9), the outer side of which is fixed to a rotating shaft (9) A striking rod (10) is fixed, a first spring (7) is fixed to one end of the striking rod (10) away from the rotating shaft (9), a striking block (12) is fixed to one end of the first spring (7) away from the striking rod (10), an elastic sheet (13) is fixed to the middle of the inner wall of the protective shell (1), the elastic sheet (13) and the striking block (12) are positioned correspondingly, the interior of the intermediate tube (2) is connected to the interior of the protective shell (1), and a microseismic sensor (14) is fixed to the inner wall of the intermediate tube (2).

2. The signal self-detection microseismic monitoring device according to claim 1, characterized in that: A plurality of outer plates (5) are fixed to the outer side of the protective shell (1); the plurality of outer plates (5) are protected in an L-shape on the outer side of the protective shell (1); through openings (6) are provided inside the plurality of outer plates (5); a plurality of second springs (11) are fixed on both sides of the plurality of through openings (6); and the plurality of outer plates (5) are elastic.

3. The signal self-detection microseismic monitoring device according to claim 1, characterized in that: An elastic block (18) is fixed to the top of the protective shell (1), and a flashing light (17) is embedded inside the top of the elastic block (18).

4. The signal self-detection microseismic monitoring device according to claim 1, characterized in that: The bottom end of the intermediate tube (2) is provided with a threaded opening, and the top end of the bottom conical end (3) is provided with a protruding end (15), and the protruding end (15) is threadedly fitted into the interior of the threaded opening.

5. The signal self-detection microseismic monitoring device according to claim 1, characterized in that: A threaded channel (4) is arranged on the outer side of the bottom conical end (3), and the diameter of the end of the bottom conical end (3) close to the middle tube (2) is larger than the diameter of the end away from the middle tube (2).

6. The signal self-detection microseismic monitoring device according to claim 1, characterized in that: The inner bottom end of the bottom conical end (3) is filled with a counterweight (16).

7. The signal self-detection microseismic monitoring device according to claim 1, characterized in that: The bottom conical end (3) is inserted into the interior of the rock wall.

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