Fire sound early warning device for underground coal mine

Abstract

The utility model discloses a coal mine underground fire hazard sound early warning device comprising a mobile pedestal, four sides of the mobile pedestal are fixedly connected with protection plates, a single side protection plate is hinged with a switch door, the outer wall of the protection plate is connected with a fireproof material layer, the inner wall of the mobile pedestal is connected with an insertion cylinder, the insertion cylinder is inserted with an insertion rod, and the insertion cylinder is provided with a plurality of insertion holes. A limiting rod is inserted between the insertion rod and two insertion holes, the insertion rod is connected with a mounting plate, the mounting plate is connected with a monitor, the outer wall of a shaft body of the insertion rod is connected with a carbon dioxide concentration detector and a temperature detector, the end part of the insertion rod is connected with a transverse plate, the end part of the transverse plate is connected with an audible and visual alarm, and the transverse plate is connected with a grid protection cover for protecting the audible and visual alarm.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal mine production, and in particular relates to a fire sound warning device in a coal mine. Background Art

[0002] Coal mines are areas where humans exploit coal resources in coal-rich mining areas. They are generally divided into underground coal mines and open-pit coal mines. When the coal seam is far from the surface, people generally choose to dig tunnels underground to mine coal. This is an underground coal mine. When the coal seam is very close to the surface, people generally choose to directly peel off the surface soil layer to mine coal. This is an open-pit coal mine. The vast majority of coal mines in my country are underground coal mines. The scope of coal mines includes a large area above ground, underground and related facilities. Coal mines are reasonable spaces excavated by humans when digging geological strata rich in coal. They usually include tunnels, shafts and mining faces, etc. Coal is the main solid fuel and a type of combustible organic rock. Goafs will appear in the process of coal mining. Goafs are holes and cavities formed after coal or some coal gangue is mined during coal mining operations. In the process of coal resource mining, there are certain coal blocks, coal slag, coal dust and other combustibles. Methane, oxygen and other combustibles are also produced in the mine. Gas provides very convenient material conditions for spontaneous combustion in coal mines. Spontaneous combustion in coal mines poses a great threat to the overall production safety of coal mines, and at the same time restricts the production and operation of coal mines to a certain extent. Therefore, preventing and controlling spontaneous combustion fires in goafs requires not only making everyone aware of the seriousness of spontaneous combustion fires in goafs, but also strengthening team management, improving their overall quality and professional level, being able to skillfully resolve various incidents caused by changes in geological and spontaneous combustion conditions, and having advanced technical equipment and facilities, and taking corresponding effective measures, in order to fundamentally prevent the occurrence of such accidents.

[0003] Among them, the fire sound warning device, as a professional warning safety device in coal mines, is usually fixedly connected to the side wall of the coal mine, and uses sound and light alarms to warn workers working in the mine of fire. Although this installation method is stable, it is difficult to change the installation position of the device, and it also causes certain damage to the coal mine when nailing. When it needs to be installed at a high place, the installation process is cumbersome and dangerous, and the subsequent maintenance and replacement of components are troublesome. Utility Model Content

[0004] In view of the problems raised by the above background technology, the purpose of the utility model is to provide a fire sound warning device in coal mines.

[0005] In order to achieve the above technical purpose, the technical solution adopted by the utility model is as follows:

[0006] A fire sound warning device in a coal mine, comprising a mobile base, with protective plates fixedly connected to the four sides of the mobile base, a switch door hinged on one side of the protective plate, an outer wall of the protective plate connected to a fireproof material layer, an inner wall of the mobile base connected to an insert tube, a rod inserted in the insert tube, the insert tube is provided with a plurality of sockets, a limit rod is inserted between the rod and two of the sockets, the rod is connected to a mounting plate, the mounting plate is connected to a monitor, a carbon dioxide concentration detector and a temperature detector are connected to the outer wall of the rod shaft, a cross plate is connected to the end of the rod, an audible and visual alarm is connected to the end of the cross plate, and a grid protective cover for protecting the audible and visual alarm is connected to the cross plate.

[0007] It is further defined that the inner wall of the movable base is fixedly connected to a mounting base, the outer wall of the bottom end of the insert tube is fixedly connected to a trapezoidal mounting seat, and a plurality of first bolts are connected between the trapezoidal mounting seat and the mounting base. Such a structural design can facilitate the installation and disassembly of the insert tube and its connecting components, and is easy to transport and move after installation and disassembly.

[0008] It is further defined that a connecting ring is fixedly provided on one side of the mounting plate, the connecting ring is sleeved on the insertion rod, and a plurality of second bolts are connected between the connecting ring and the insertion rod. Such a structural design facilitates installation, disassembly, maintenance, replacement of the mounting plate and monitoring.

[0009] It is further defined that the monitoring outer wall is connected to a transparent protective cover, and the insertion rod is provided with matching installation grooves at positions corresponding to the carbon dioxide concentration detector and the temperature detector, and the carbon dioxide concentration detector and the temperature detector are embedded in the installation grooves. Such a structural design can protect the monitoring lens and prevent dust and external factors from damaging the monitoring. The carbon dioxide concentration detector and the temperature detector are embedded in the installation groove to save installation space.

[0010] It is further defined that the end of the mesh protection cover is connected to a mounting ring, the mounting ring is connected to a cylinder, the outer wall of the cylinder shaft body is provided with an external thread, the cross plate is provided with a threaded groove adapted to the threaded connection cylinder, and the cylinder is threadedly connected to the cross plate. Such a structural design makes it convenient to install and disassemble the mesh protection cover used to protect the sound and light alarm, and to inspect and replace the sound and light alarm.

[0011] The beneficial effects of the utility model are:

[0012] 1. The utility model can change the position of the rod in the plug-in tube according to the height inside the coal mine, change the height of the carbon dioxide concentration detector, temperature detector, monitoring and sound and light alarm to adapt to the appropriate installation height, and facilitate the later maintenance and replacement of the components on the upper side of the plug-in rod. When the position of the entire device needs to be changed, the entire device can be moved by moving the base. Such a structural design can save time and steps for installation and disassembly, and improve the use efficiency. The carbon dioxide concentration detector, temperature detector, monitoring and sound and light alarm cooperate to send the detection results to the central controller, so as to achieve accurate detection and timely notify the monitoring center and on-site workers to serve as a warning;

[0013] 2. The grid protection cover protects the sound and light alarm from external impact. Each protective plate and the fireproof material layer on its outer wall can protect the lower side of the entire device from impact and fire. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention can be further described by the non-limiting embodiments given in the accompanying drawings;

[0015] Figure 1 It is a schematic diagram of the overall structure section of an embodiment of a fire sound warning device for underground coal mines of the utility model;

[0016] Figure 2 The utility model is a fire sound warning device for underground coal mines. Figure 1 Schematic diagram of the structure at A.

[0017] The main component symbols are described as follows:

[0018] Mobile base 1, protective plate 101, switch door 1011, fireproof material layer 102, installation base 103;

[0019] Insertion tube 2, insertion rod 3, insertion hole 2001, limiting rod 2002, trapezoidal mounting seat 201, first bolt 202;

[0020] Insert rod 3, mounting plate 301, connecting ring 3011, second bolt 3012, monitoring 302, transparent protective cover 3021, carbon dioxide concentration detector 303, temperature detector 304;

[0021] Horizontal board 4;

[0022] Sound and light alarm 5;

[0023] Grid protection cover 6, mounting ring 601, cylinder 602. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0025] like Figure 1-2 As shown, the utility model is a fire sound warning device for underground coal mine, comprising a mobile base 1, the mobile base 1 has protective plates 101 fixedly connected on four sides, the single-side protective plate 101 is hinged with a switch door 1011, the outer wall of the protective plate 101 is connected with a fireproof material layer 102, the inner wall of the mobile base 1 is connected with an insert tube 2, the insert tube 2 is plugged with an insert rod 3, the insert tube 2 is provided with a plurality of insert holes 2001, a limit rod 2002 is plugged between the insert rod 3 and two of the insert holes 2001, the insert rod 3 is connected with a mounting plate 301, the mounting plate 301 is connected with a monitor 302, the outer wall of the shaft of the insert rod 3 is connected with a carbon dioxide concentration detector 303 and a temperature detector 304, the end of the insert rod 3 is connected with a cross plate 4, the end of the cross plate 4 is connected with an audible and visual alarm 5, and the cross plate 4 is connected with a mesh protective cover 6 for protecting the audible and visual alarm 5.

[0026] In the embodiment of the present case, the staff opens the switch door 1011 of the single-side protection plate 101, inserts the plug rod 3 into the plug tube 2, manually adjusts the distance of the plug rod 3 in the plug tube 2 according to the height inside the coal mine, inserts the limit rod 2002 into the corresponding socket 2001, and then closes the switch door 1011. At this time, the carbon dioxide concentration detector 303 and the temperature detector 304 are both located at a high place inside the coal mine. When the carbon dioxide concentration detector 303 and the temperature detector 304 detect that the carbon dioxide content inside the coal mine exceeds the standard and the temperature rises to a certain level, the central controller sends a warning message to the monitoring center and turns on the sound and light alarm 5 at the same time, so that the internal situation of the coal mine can be automatically detected in time, the staff can evacuate the working people in time, and it also plays a direct role of warning to the working people on the scene;

[0027] Among them, the grid protection cover 6 protects the sound and light alarm 5 to prevent external impact. The staff at the control center can further monitor the internal situation of the coal mine through the monitoring 302 and the data detected by the carbon dioxide concentration detector 303 and the temperature detector 304, thereby improving the safety of on-site operations. Each protective plate 101 and the fireproof material layer 102 located on its outer wall can prevent impact and fire protection on the lower side of the entire device. When the device setting position needs to be changed, the entire device can be moved by moving the base 1, saving the time and steps of installation and disassembly and improving the use efficiency.

[0028] Preferably, the inner wall of the mobile base 1 is fixedly connected with a mounting base 103, the outer wall of the bottom end of the insert tube 2 is fixedly connected with a trapezoidal mounting seat 201, and a plurality of first bolts 202 are connected between the trapezoidal mounting seat 201 and the mounting base 103. Such a structural design can facilitate the installation and removal of the insert tube 2 and its connecting components, and is convenient for transportation and movement after installation and removal. In fact, other structural shapes that are convenient for the installation and removal of the insert tube 2 and its connecting components can also be considered according to specific circumstances.

[0029] Preferably, a connecting ring 3011 is fixedly provided on one side of the mounting plate 301, the connecting ring 3011 is sleeved on the insertion rod 3, and a plurality of second bolts 3012 are connected between the connecting ring 3011 and the insertion rod 3. Such a structural design facilitates installation, disassembly, maintenance and replacement of the mounting plate 301 and the monitoring 302. In fact, other structural shapes that facilitate installation and disassembly of the mounting plate 301 and the monitoring 302 can also be considered according to specific circumstances.

[0030] Preferably, the outer wall of the monitor 302 is connected with a transparent protective cover 3021, and the rod 3 is provided with matching mounting grooves at positions corresponding to the carbon dioxide concentration detector 303 and the temperature detector 304, and the carbon dioxide concentration detector 303 and the temperature detector 304 are embedded in the mounting grooves. Such a structural design can protect the lens of the monitor 302 and prevent dust and external factors from damaging the monitor 302. The carbon dioxide concentration detector 303 and the temperature detector 304 are embedded in the mounting grooves to save installation space. In fact, other structural shapes that can protect the lens of the monitor 302 and save installation space for the carbon dioxide concentration detector 303 and the temperature detector 304 can also be considered according to specific circumstances.

[0031] Preferably, the end of the mesh protective cover 6 is connected to a mounting ring 601, the mounting ring 601 is connected to a cylinder 602, the outer wall of the cylinder 602 is provided with an external thread, the horizontal plate 4 is provided with a thread groove adapted to thread the cylinder 602, and the cylinder 602 is threadedly connected to the horizontal plate 4. This structural design facilitates the installation and removal of the mesh protective cover 6 used to protect the sound and light alarm 5, and the inspection and replacement of the sound and light alarm 5. In fact, other structural shapes that are convenient for installing and removing the mesh protective cover 6 can also be considered according to specific circumstances.

[0032] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A fire sound warning device in a coal mine, characterized by: The mobile base (1) comprises a protective plate (101) fixedly connected to four sides of the mobile base (1), a switch door (1011) being hingedly connected to one side of the protective plate (101), an outer wall of the protective plate (101) being connected to a fireproof material layer (102), an inner wall of the mobile base (1) being connected to an inserting tube (2), an inserting rod (3) being inserted into the inserting tube (2), the inserting tube (2) being provided with a plurality of inserting holes (2001), and a connection between the inserting rod (3) and two of the inserting holes (2001) A limit rod (2002) is inserted, the rod (3) is connected to a mounting plate (301), the mounting plate (301) is connected to a monitor (302), the outer wall of the shaft of the rod (3) is connected to a carbon dioxide concentration detector (303) and a temperature detector (304), the end of the rod (3) is connected to a transverse plate (4), the end of the transverse plate (4) is connected to an audible and visual alarm (5), and the transverse plate (4) is connected to a mesh protection cover (6) for protecting the audible and visual alarm (5).

2. The fire sound warning device for underground coal mine according to claim 1, characterized in that: The inner wall of the movable base (1) is fixedly connected to a mounting base (103), the outer wall of the bottom end of the insert tube (2) is fixedly connected to a trapezoidal mounting seat (201), and a plurality of first bolts (202) are connected between the trapezoidal mounting seat (201) and the mounting base (103).

3. The fire sound warning device for underground coal mine according to claim 2, characterized in that: A connecting ring (3011) is fixedly provided on one side of the mounting plate (301), the connecting ring (3011) is sleeved on the insertion rod (3), and a plurality of second bolts (3012) are connected between the connecting ring (3011) and the insertion rod (3).

4. The fire sound warning device for underground coal mine according to claim 3, characterized in that: The outer wall of the monitoring device (302) is connected to a transparent protective cover (3021), and the insertion rod (3) is provided with matching installation grooves at positions corresponding to the carbon dioxide concentration detector (303) and the temperature detector (304), and the carbon dioxide concentration detector (303) and the temperature detector (304) are embedded in the installation grooves.

5. The fire sound warning device for underground coal mine according to claim 4, characterized in that: The end of the grid protection cover (6) is connected to a mounting ring (601), the mounting ring (601) is connected to a cylinder (602), the outer wall of the shaft of the cylinder (602) is provided with an external thread, the cross plate (4) is provided with a thread groove adapted to be threadedly connected to the cylinder (602), and the cylinder (602) is threadedly connected to the cross plate (4).

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