Coal mine underground environment alarm

Abstract

The utility model relates to the technical field of underground environment early warning, specifically to an underground environment alarm for a coal mine, comprising a fixed frame, a protective shell fixedly connected to the left side of the fixed frame, a monitor fixedly connected to the front side of the protective shell, an audible and visual alarm arranged inside the protective shell, a transmission box fixedly connected to the right side of the fixed frame, a support frame fixedly connected to the top left side of the protective shell, a pushing mechanism arranged inside the transmission box, and an opening and closing mechanism arranged inside the support frame. The utility model realizes the pushing of the audible and visual alarm and the opening and closing of the protective shell, thereby improving the convenience and protection of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of underground environment early warning, in particular to an underground coal mine environment alarm. Background Art

[0002] With the development of my country's coal mining industry and the improvement of people's safety awareness in the mine, more and more attention is paid to the monitoring of various data in the coal mining process of the mine. Various variables in the mine, such as oxygen concentration, carbon monoxide concentration and underground temperature value, reflect the safety of the underground environment and are the key indicators of monitoring. The underground environment can be monitored in real time and early warning can be carried out through the gas monitor and alarm.

[0003] The existing devices mainly use sound and light alarms to warn of risks in the underground environment. The existing coal mine underground environment alarm, patent number CN217872934U, includes a detection terminal, a display terminal, a processing module, a wireless communication module transmitter, a battery, a carbon monoxide sensor, an oxygen sensor, and a temperature sensor. The power supply voltage of this solution is close to the working voltage of the application device, which is easy to adjust the circuit; it is convenient, fast and safe to obtain environmental data outside the construction area; wireless communication, the signal is not easily interrupted, but the device still has room for improvement.

[0004] The existing devices mainly expose the sound and light alarms to the external environment for early warning, which makes it difficult for some devices to store the sound and light alarms inside the protective shell, resulting in some sound and light alarms being exposed to the external environment for a long time. At the same time, some devices are difficult to open and close the protective shell, resulting in a large amount of dust adhering to the outer walls of some sound and light alarms, reducing the working efficiency and practicality of the device. Therefore, in order to solve the above problems, a coal mine underground environmental alarm is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide an underground environmental alarm for a coal mine, so as to solve the problem that the existing devices in the prior art mentioned in the above background technology mainly expose the sound and light alarm to the external environment for early warning work, making it difficult for some devices to store the sound and light alarm inside the protective shell, thereby causing some sound and light alarms to be exposed to the external environment for a long time, and at the same time, it is difficult for some devices to open and close the protective shell, thereby causing a large amount of dust to adhere to the outer wall of some sound and light alarms.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an underground coal mine environment alarm, comprising a fixed frame, a protective shell is fixedly connected to the left side of the fixed frame, a monitor is fixedly connected to the front side of the protective shell, an audible and visual alarm is arranged inside the protective shell, a transmission box is fixedly connected to the right side of the fixed frame, and a support frame is fixedly connected to the top left side of the protective shell;

[0007] A pushing mechanism is provided inside the transmission box, and the pushing mechanism includes a first motor, and the bottom of the first motor is fixedly connected to the middle of the top of the transmission box. An opening and closing mechanism is provided inside the support frame, and the opening and closing mechanism includes a second motor, and the bottom of the second motor is fixedly connected to the middle of the top of the support frame.

[0008] Preferably, a transmission shaft is fixedly connected to the middle of the bottom of the first motor, and the bottom end of the transmission shaft passes through a transmission box and is fixedly connected to a first bevel gear.

[0009] Preferably, a second bevel gear is meshingly connected below the first bevel gear, a transmission worm is fixedly connected to the inner wall of the second bevel gear, and two sides of the transmission worm are movably connected to the inner wall of the transmission box.

[0010] Preferably, both sides of the outer wall of the transmission worm are meshingly connected with a transmission worm wheel, the inner wall of the transmission worm wheel is fixedly connected with a transmission screw, and the right end of the transmission screw is movably connected to the right side of the inner wall of the transmission box.

[0011] Preferably, the left end of the transmission screw passes through the fixing frame and is movably connected to the left side of the inner wall of the protective shell, the left side of the outer wall of the transmission screw is threadedly connected with a push screw sleeve, and the outer wall of the push screw sleeve is fixedly connected to the right side of the outer wall of the sound and light alarm.

[0012] Preferably, a movable screw is fixedly connected to the middle of the bottom of the second motor, and the bottom end of the movable screw passes through the support frame and is sleeved with a lifting screw barrel.

[0013] Preferably, a sealing cover is fixedly connected to the right side of the outer wall of the lifting screw barrel, and the upper right side of the sealing cover is slidably connected to the right side of the inner wall of the support frame.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model uses the first motor, transmission shaft, first bevel gear, second bevel gear, transmission worm, transmission worm wheel, transmission screw and pushing screw sleeve and other structures in the pushing mechanism. The first motor is started by the monitor to drive the transmission shaft and the first bevel gear to limit rotation, the first bevel gear is engaged to drive the second bevel gear and the dynamic transmission worm to limit rotation, the transmission worm is engaged to drive the transmission worm wheel and the transmission screw to limit rotation, the transmission screw drives the pushing screw sleeve and the sound and light alarm to slide left and right, thereby realizing the pushing of the sound and light alarm, so that some devices can store the sound and light alarm inside the protective shell, effectively avoiding the sound and light alarm from being exposed to the external environment for a long time, and improving the convenience and practicality of the device.

[0016] 2. The utility model uses the second motor, movable screw, lifting screw barrel and sealing cover in the opening and closing mechanism. The second motor is started by the monitor to drive the movable screw to limit rotation, and the movable screw drives the lifting screw barrel and the sealing cover to slide up and down, so that the sealing cover opens and closes the through hole on the left side of the protective shell, thereby realizing the opening and closing of the protective shell, so that some devices can automatically open and close the protective shell, which can effectively prevent a large amount of dust from adhering to the outer wall of the sound and light alarm, thereby improving the protection and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front side perspective view of the structure of the utility model;

[0018] Figure 2 It is a front view cross-sectional stereoscopic diagram of the structure of the utility model;

[0019] Figure 3 It is a front view cross-sectional stereoscopic diagram of the local structure of the transmission box and the pushing mechanism of the utility model;

[0020] Figure 4 It is a front view cross-sectional stereoscopic diagram of the local structure of the support frame and the opening and closing mechanism of the utility model.

[0021] In the figure: 11, fixing frame; 12, protective shell; 13, monitor; 14, sound and light alarm; 15, transmission box; 16, support frame; 2, pushing mechanism; 21, first motor; 22, transmission shaft; 23, first bevel gear; 24, second bevel gear; 25, transmission worm; 26, transmission worm wheel; 27, transmission screw; 28, pushing screw sleeve; 3, opening and closing mechanism; 31, second motor; 32, movable screw; 33, lifting screw barrel; 34, sealing cover. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-4 , an embodiment provided by the utility model:

[0024] The coal mine underground environment alarm comprises a fixing frame 11, a protective shell 12 is fixedly connected to the left side of the fixing frame 11, a monitor 13 is fixedly connected to the front side of the protective shell 12, an audible and visual alarm 14 is arranged inside the protective shell 12, a transmission box 15 is fixedly connected to the right side of the fixing frame 11, and a support frame 16 is fixedly connected to the top left side of the protective shell 12;

[0025] A pushing mechanism 2 is provided inside the transmission box 15, and the pushing mechanism 2 includes a first motor 21. The bottom of the first motor 21 is fixedly connected to the top middle of the transmission box 15. A transmission shaft 22 is fixedly connected to the bottom middle of the first motor 21. The bottom end of the transmission shaft 22 passes through the transmission box 15 and is fixedly connected to a first bevel gear 23. Through this design, the first motor 21 drives the transmission shaft 22 and the first bevel gear 23 to rotate in a limited position. The lower part of the first bevel gear 23 is meshed with a second bevel gear 24. The inner wall of the second bevel gear 24 is fixedly connected with a transmission worm 25. The two sides of the transmission worm 25 are movably connected to the inner wall of the transmission box 15. Through this design, the first bevel gear 23 is meshed with the second bevel gear 24. The wheel 24 and the transmission worm 25 are limited in rotation, and the transmission worm gear 26 is meshed and connected on both sides of the outer wall of the transmission worm gear 25, and the inner wall of the transmission worm gear 26 is fixedly connected with a transmission screw 27, and the right end of the transmission screw 27 is movably connected to the right side of the inner wall of the transmission box 15. Through this design, the transmission worm gear 25 is meshed to drive the transmission worm gear 26 and the transmission screw 27 to limit rotation, and the left end of the transmission screw 27 passes through the fixed frame 11 and is movably connected to the left side of the inner wall of the protective shell 12. The left side of the outer wall of the transmission screw 27 is threadedly connected with a push screw sleeve 28, and the outer wall of the push screw sleeve 28 is fixedly connected to the right side of the outer wall of the sound and light alarm 14. Through this design, the transmission screw 27 drives the push screw sleeve 28 and the sound and light alarm 14 to slide left and right.

[0026] An opening and closing mechanism 3 is provided inside the support frame 16, and the opening and closing mechanism 3 includes a second motor 31. The bottom of the second motor 31 is fixedly connected to the middle of the top of the support frame 16, and a movable screw 32 is fixedly connected to the middle of the bottom of the second motor 31. The bottom end of the movable screw 32 passes through the support frame 16 and is sleeved with a lifting screw barrel 33. Through this design, the second motor 31 drives the movable screw 32 to rotate in a limited position, and a cover 34 is fixedly connected to the right side of the outer wall of the lifting screw barrel 33. The upper right side of the cover 34 is slidably connected to the right side of the inner wall of the support frame 16. Through this design, the movable screw 32 drives the lifting screw barrel 33 and the cover 34 to slide up and down, so that the cover 34 can open and close the through hole on the left side of the protective shell 12.

[0027] Working principle: when it is necessary to push the sound and light alarm 14, first start the first motor 21 through the monitor 13, the first motor 21 drives the transmission shaft 22 to limit the rotation, the transmission shaft 22 drives the first bevel gear 23 to rotate synchronously, the first bevel gear 23 engages to drive the second bevel gear 24 to rotate, the second bevel gear 24 drives the transmission worm 25 to limit the rotation, the transmission worm 25 engages to drive the transmission worm wheel 26 to rotate synchronously, the transmission worm wheel 26 drives the transmission screw 27 to limit the rotation, the transmission screw 27 drives the pushing screw sleeve 28 to slide left and right, the pushing screw sleeve 28 drives the sound and light alarm 14 to slide synchronously, thereby realizing the pushing operation of the sound and light alarm 14.

[0028] When the protective shell 12 needs to be opened and closed, the second motor 31 is first started through the monitor 13. The second motor 31 drives the movable screw 32 to limit rotation, the movable screw 32 drives the lifting screw barrel 33 to slide up and down, and the lifting screw barrel 33 drives the cover 34 to slide synchronously, so that the cover 34 opens and closes the through hole on the left side of the protective shell 12, thereby realizing the opening and closing operation of the protective shell 12, and the operation ends here.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A coal mine underground environment alarm, comprising a fixing frame (11), characterized in that: A protective shell (12) is fixedly connected to the left side of the fixing frame (11), a monitor (13) is fixedly connected to the front side of the protective shell (12), an audible and visual alarm (14) is arranged inside the protective shell (12), a transmission box (15) is fixedly connected to the right side of the fixing frame (11), and a support frame (16) is fixedly connected to the top left side of the protective shell (12); A pushing mechanism (2) is provided inside the transmission box (15), the pushing mechanism (2) comprising a first motor (21), the bottom of the first motor (21) being fixedly connected to the middle of the top of the transmission box (15), and an opening and closing mechanism (3) is provided inside the support frame (16), the opening and closing mechanism (3) comprising a second motor (31), the bottom of the second motor (31) being fixedly connected to the middle of the top of the support frame (16).

2. The coal mine underground environment alarm according to claim 1, characterized in that: A transmission shaft (22) is fixedly connected to the middle of the bottom of the first motor (21), and the bottom end of the transmission shaft (22) passes through the transmission box (15) and is fixedly connected to a first bevel gear (23).

3. The coal mine underground environment alarm according to claim 2, characterized in that: A second bevel gear (24) is meshingly connected below the first bevel gear (23), a transmission worm (25) is fixedly connected to the inner wall of the second bevel gear (24), and two sides of the transmission worm (25) are movably connected to the inner wall of the transmission box (15).

4. The coal mine underground environment alarm according to claim 3, characterized in that: The transmission worm (26) is meshingly connected to both sides of the outer wall of the transmission worm (25), the inner wall of the transmission worm (26) is fixedly connected to a transmission screw (27), and the right end of the transmission screw (27) is movably connected to the right side of the inner wall of the transmission box (15).

5. The underground coal mine environment alarm according to claim 4, characterized in that: The left end of the transmission screw (27) passes through the fixing frame (11) and is movably connected to the left side of the inner wall of the protective shell (12); the left side of the outer wall of the transmission screw (27) is threadedly connected to a push screw sleeve (28); and the outer wall of the push screw sleeve (28) is fixedly connected to the right side of the outer wall of the sound and light alarm (14).

6. The coal mine underground environment alarm according to claim 1, characterized in that: A movable screw rod (32) is fixedly connected to the middle of the bottom of the second motor (31), and the bottom end of the movable screw rod (32) passes through the support frame (16) and is sleeved with a lifting screw barrel (33).

7. The underground coal mine environment alarm according to claim 6, characterized in that: A sealing cover (34) is fixedly connected to the right side of the outer wall of the lifting screw barrel (33), and the upper right side of the sealing cover (34) is slidably connected to the right side of the inner wall of the support frame (16).

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