CN114278365A

CN114278365A - Mine safety early warning system

Info

Publication number: CN114278365A
Application number: CN202111528714.6A
Authority: CN
Inventors: 郁雨欣
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-04-05

Abstract

The invention discloses a mine safety early warning system, which comprises a supporting rod fixedly arranged at the bottom of the ground and provided with threads on the outer end surface, wherein the outer end surface of the supporting rod is in threaded connection with a shell; the escape device is provided with the fan-shaped supporting plate, the spiral equipment and the high-pressure box, can protect people in distress, utilizes the thread structure to escape from drilled holes upwards, is internally provided with the high-pressure box to supply oxygen for internal people, has the advantages of guaranteeing the life safety of the people and having good rescue effect, is also provided with the cam, the L-shaped bent pipe and the annular tooth-line block, can realize the drilled hole escape of the thread structure, utilizes the outline of the cam to control whether oxygen supply is carried out or not, and conveys oxygen across space by the L-shaped bent pipe to ensure sufficient oxygen, and has the advantages of high working efficiency and good oxygen supply effect.

Description

Mine safety early warning system

Technical Field

The invention relates to the technical field of mine safety early warning systems, in particular to a mine safety early warning system.

Background

Most of coal mine production is underground operation, geological and mining conditions are complex and changeable, unsafe factors are many, and the coal mine production is often threatened by the fact that gas, coal dust, fire water, a roof and the like are damaged, so that the coal mine safety work must be placed at the head of each work in order to ensure the safety of underground operators and ensure the normal production of a mine, equipment capable of saving self and protecting people in distress is not arranged below the mine generally, only simple oxygen supply equipment is provided, the life safety of the people in distress cannot be guaranteed, the self-rescue of the people in distress cannot be realized, and people can be injured and killed due to the fact that the people are trapped for a long time and miss the best rescue time.

Disclosure of Invention

The invention aims to provide a mine safety early warning system which is used for overcoming the defects in the prior art.

The mine safety early warning system comprises a supporting rod which is fixedly arranged on the ground bottom and provided with threads on the outer end face, wherein the outer end face of the supporting rod is connected with a shell in a threaded manner, a spiral device in threaded connection with the supporting rod is fixedly arranged on the outer end face of the shell, a working cavity with a downward opening is arranged in the shell, a sliding cavity is arranged in the supporting rod, limiting sliding chutes with symmetrical left and right positions are arranged on the inner wall of the sliding cavity, an annular sliding block in sliding connection with the sliding cavity is connected to the inner wall of the working cavity in a sliding manner, a limiting sliding block in sliding connection with the limiting sliding chutes is fixedly arranged on the end face, close to the supporting rod, of the annular sliding block, a driving cavity is arranged between the annular sliding block and the shell, and a driving device capable of driving the shell to move is arranged in the driving cavity;

an annular mounting block is fixedly arranged on the inner wall of the working cavity, escape cavities which are symmetrical in left and right positions are arranged in the annular mounting block, and a lifesaving device capable of giving an alarm and helping people in distress is arranged in the escape cavities;

the annular mounting block is internally provided with an inflation cavity with symmetrical front and back positions, and an oxygen supply device capable of providing oxygen for the escape cavity is arranged in the inflation cavity.

As a preferable technical solution of the present invention, the driving device includes an annular tooth pattern block fixedly disposed between the upper and lower walls of the driving cavity, the bottom wall of the driving cavity is fixedly provided with a first motor symmetrically arranged at left and right positions, an upper end surface of the first motor is rotatably connected with a first rotating shaft, an upper end surface of the first rotating shaft is fixedly provided with a gear engaged with the tooth pattern of the annular tooth pattern block, and the tooth pattern structure enables the mechanism to move downward, so that the transmission ratio is stable and the movement operation is stable.

As a preferred technical scheme of the invention, the life saving device comprises a second motor fixedly arranged on the upper wall of the escape cavity, the lower end face of the second motor is rotatably connected with a threaded shaft, the lower end face of the threaded shaft is fixedly provided with a pressing block, a fan-shaped moving block is in threaded connection with the threaded shaft, the side wall of the escape cavity, which is far away from the support rod, is provided with a guide groove, the end face of the fan-shaped moving block, which is far away from the support rod, is fixedly provided with a guide slide block in sliding connection with the guide groove, a limit cavity is arranged in the annular mounting block, the left wall and the right wall of the limit cavity are provided with limit slide grooves in symmetrical positions, a threaded structure drives a component to move up and down, the moving position control is accurate, and the service life is long.

As a preferred technical scheme of the invention, a first connecting rod is fixedly arranged on the lower end surface of the fan-shaped moving block, a second connecting rod is slidably connected in the limiting cavity, limiting blocks slidably connected with the limiting chutes are fixedly arranged on the left and right end surfaces of the second connecting rod, fan-shaped supporting plates are fixedly arranged on the lower end surfaces of the first connecting rod and the second connecting rod, mounting rods are fixedly arranged on the upper end surfaces of the fan-shaped supporting plates, early warning equipment is fixedly arranged on the upper ends of the mounting rods, and the sliding structure drives people in distress to avoid danger, so that the safety of the people is guaranteed, and the protection effect is good.

As a preferred technical scheme of the invention, the oxygen supply device comprises a high-pressure tank fixedly arranged in the inflation cavity, a high-pressure cavity for containing oxygen is arranged in the high-pressure tank, a square mounting block penetrating through the lower end face of the high-pressure tank is fixedly arranged on the bottom wall of the high-pressure cavity, a transmission cavity with a downward opening is arranged in the square mounting block, a one-way pipeline extending into the transmission cavity is connected in the square mounting block in a sliding manner, oxygen is extruded out by utilizing air pressure difference, the reaction is rapid, and the control is convenient.

As a preferred technical scheme of the invention, inclined channels with symmetrical front and back positions are arranged in the square mounting block, a communication cavity with a downward opening is arranged in the one-way channel, an L-shaped bent pipe extending into the escape cavity is connected in the communication cavity in a sliding manner, a straight channel penetrating through the front end face and the back end face of the one-way channel and communicated with the inclined channels is arranged on the front wall and the back wall of the communication cavity, a linkage device capable of enabling the one-way channel to move up and down is arranged in the square mounting block, and whether oxygen is output or not is controlled by wedging between components, so that the working efficiency is high.

As a preferred technical scheme of the present invention, the linkage device includes a third motor fixedly disposed on the front and rear walls of the transmission cavity, an end surface of the third motor near the symmetry center is rotatably connected to a second rotating shaft, an end surface of the second rotating shaft near the symmetry center is fixedly provided with a cam, a T-shaped chute is disposed in the cam, a T-shaped slider slidably connected to the T-shaped chute is fixedly disposed on the front and rear end surfaces of the unidirectional pipeline, and the outer contour of the cam is used to control the member to slide up and down, so that the response is rapid, and the working efficiency is high.

The invention has the beneficial effects that:

firstly, the invention is provided with the fan-shaped supporting plate, the spiral device and the high-pressure box, can realize the protection of people in distress, and utilizes the thread structure to drill holes upwards for escape, and the high-pressure box arranged in the escape structure can supply oxygen for internal people, thereby having the advantages of ensuring the life safety of the people and having good rescue effect;

secondly, the invention is provided with the cam, the L-shaped bent pipe and the annular tooth-line block, can realize drilling and escaping of a threaded structure, controls whether oxygen supply is carried out or not by utilizing the outer contour of the cam, and conveys oxygen across the space by the L-shaped bent pipe to ensure sufficient oxygen, and has the advantages of high working efficiency and good oxygen supply effect.

Drawings

FIG. 1 is a schematic external view of the present invention;

FIG. 2 is a schematic view of the invention of FIG. 1 in a resting state;

FIG. 3 is a schematic view of the structure at A-A in FIG. 2;

FIG. 4 is a schematic view of the ring-shaped mounting block and the limiting chute of FIG. 2;

FIG. 5 is a schematic view of the square mounting block of FIG. 3;

fig. 6 is a schematic view of the structure at B-B in fig. 2.

Detailed Description

For purposes of making the objects and advantages of the present invention more apparent, the following detailed description of the invention, taken in conjunction with the examples, should be understood that the following text is only intended to describe one mine safety precaution system or several specific embodiments of the invention, and not to strictly limit the scope of the invention as specifically claimed, as used herein, the terms up, down, left and right are not limited to their strict geometric definitions, but rather include tolerances for machining or human error rationality and inconsistency, the specific features of which are set forth in detail below:

referring to fig. 1 to 6, a mine safety early warning system according to an embodiment of the present invention includes a support rod 24 fixedly installed on the ground and having a screw thread at an outer end surface, the outer end face of the supporting rod 24 is connected with a shell 11 through threads, the outer end face of the shell 11 is fixedly provided with a screw device 23 connected with the supporting rod 24 through threads, a working cavity 14 with a downward opening is arranged in the shell 11, a sliding cavity 33 is arranged in the supporting rod 24, the inner wall of the sliding cavity 33 is provided with a limiting sliding chute 36 with symmetrical left and right positions, the inner wall of the working cavity 14 is connected with an annular sliding block 13 which is connected with the sliding cavity 33 in a sliding way, the end surface of the annular slide block 13 close to the support rod 24 is fixedly provided with a limiting slide block 32 which is connected with the limiting slide groove 36 in a sliding way, a driving cavity 12 is arranged between the annular sliding block 13 and the shell 11, and a driving device 60 capable of driving the shell 11 to move is arranged in the driving cavity 12;

an annular mounting block 16 is fixedly arranged on the inner wall of the working cavity 14, an escape cavity 15 which is symmetrical in left and right positions is arranged in the annular mounting block 16, and a lifesaving device 61 which can give an alarm and help people in distress is arranged in the escape cavity 15;

an air inflation cavity 39 with symmetrical front and back positions is arranged in the annular mounting block 16, and an oxygen supply device 62 capable of providing oxygen for the escape cavity 15 is arranged in the air inflation cavity 39.

In other embodiments, the driving device 60 includes an annular toothed block 26 fixed between the upper and lower walls of the driving chamber 12, a first motor 28 is fixed on the bottom wall of the driving chamber 12 and is symmetrical to the left and right, a first rotating shaft 27 is rotatably connected to the upper end surface of the first motor 28, a gear 25 engaged with the teeth of the annular toothed block 26 is fixed on the upper end surface of the first rotating shaft 27, the first motor 28 is started to drive the first rotating shaft 27 to rotate, the first rotating shaft 27 is rotated to drive the gear 25 to rotate, the gear 25 is engaged with the annular toothed block 26 to rotate the annular sliding block 13, the annular sliding block 13 is rotated to drive the housing 11 to rotate, and the housing 11 is rotated to start moving up and down.

In other embodiments, the life saving device 61 comprises a second motor 22 fixed on the upper wall of the escape cavity 15, the lower end surface of the second motor 22 is rotatably connected with a threaded shaft 20, the lower end surface of the threaded shaft 20 is fixedly provided with a pressing block 19, the threaded shaft 20 is in threaded connection with a sector-shaped moving block 21, the side wall of the escape cavity 15 far away from the support rod 24 is provided with a guide groove 29, a guide slide block 30 which is connected with the guide groove 29 in a sliding way is fixedly arranged on the end surface of the sector moving block 21 away from the support rod 24, a limiting cavity 35 is arranged in the annular mounting block 16, limiting sliding grooves 34 with symmetrical positions are formed in the left wall and the right wall of the limiting cavity 35, the second motor 22 is started to drive the threaded shaft 20 to rotate, the threaded shaft 20 rotates to drive the fan-shaped moving block 21 to move, the guide sliding block 30 is limited by the guide groove 29, and the fan-shaped moving block 21 is limited by the abutting block 19.

In other embodiments, the lower end surface of the sector-shaped moving block 21 is fixedly provided with a first connecting rod 17, the limiting cavity 35 is connected with a second connecting rod 31 in a sliding way, the left and right end faces of the second connecting rod 31 are fixedly provided with limiting blocks 37 which are connected with the limiting sliding chutes 34 in a sliding way, the lower end surfaces of the first connecting rod 17 and the second connecting rod 31 are fixedly provided with fan-shaped supporting plates 18, the upper end surface of the sector support plate 18 is fixedly provided with a mounting rod 54, the upper end of the mounting rod 54 is fixedly provided with an early warning device 53, when mine disasters occur, the early warning device 53 gives an alarm, the person in distress escapes to the upper end face of the fan-shaped supporting plate 18, the fan-shaped moving block 21 drives the first connecting rod 17 and the second connecting rod 31 to move upwards, the limiting block 37 is limited by the limiting sliding groove 34, and the first connecting rod 17 and the second connecting rod 31 move upwards to drive the fan-shaped supporting plate 18 to move into the escape cavity 15, so that the person in distress is protected.

In other embodiments, the oxygen supply device 62 includes a high pressure tank 38 fixedly disposed in the inflation cavity 39, a high pressure cavity 41 for placing oxygen is disposed in the high pressure tank 38, a square mounting block 42 penetrating through the lower end face of the high pressure tank 38 is fixedly disposed on the bottom wall of the high pressure cavity 41, a transmission cavity 44 with a downward opening is disposed in the square mounting block 42, a one-way pipeline 43 extending into the transmission cavity 44 is slidably connected in the square mounting block 42, oxygen in the high pressure cavity 41 is pressed out under high pressure, and the oxygen enters the one-way pipeline 43 through the square mounting block 42.

In other embodiments, an inclined channel 45 with symmetrical front and back positions is arranged in the square mounting block 42, a communication cavity 47 with a downward opening is arranged in the one-way pipeline 43, an L-shaped bent pipe 40 extending into the escape cavity 15 is connected in the communication cavity 47 in a sliding manner, a straight channel 46 penetrating through the front and back end faces of the one-way pipeline 43 and communicated with the inclined channel 45 is arranged on the front and back walls of the communication cavity 47, a linkage device 63 capable of enabling the one-way pipeline 43 to move up and down is arranged in the square mounting block 42, the one-way pipeline 43 slides to the position where the straight channel 46 is communicated with the inclined channel 45, and oxygen enters from the inclined channel 45 and enters the escape cavity 15 through the straight channel 46, the communication cavity 47 and the L-shaped bent pipe 40.

In other embodiments, the linkage 63 includes a third motor 51 fixedly disposed on the front and rear walls of the transmission cavity 44, a second rotating shaft 52 is rotatably connected to an end surface of the third motor 51 near the symmetry center, a cam 48 is fixedly disposed on an end surface of the second rotating shaft 52 near the symmetry center, a T-shaped chute 50 is disposed in the cam 48, a T-shaped slider 49 slidably connected to the T-shaped chute 50 is fixedly disposed on the front and rear end surfaces of the one-way pipe 43, the third motor 51 is started to drive the second rotating shaft 52 to rotate, the second rotating shaft 52 rotates to drive the cam 48 to rotate, the T-shaped slider 49 is limited by the T-shaped chute 50, the cam 48 rotates to move the T-shaped slider 49 up and down, and the T-shaped slider 49 moves up and down to drive the one-way pipe 43 to move up and down.

The invention relates to a mine safety early warning system, which comprises the following working procedures:

when the early warning protection work needs to be carried out and a mine disaster occurs, the early warning device 53 gives an alarm, people in distress escape to the upper end face of the fan-shaped support plate 18, the second motor 22 is started to drive the threaded shaft 20 to rotate, the threaded shaft 20 rotates to drive the fan-shaped moving block 21 to move, the fan-shaped moving block 21 drives the first connecting rod 17 and the second connecting rod 31 to move upwards, the limiting block 37 is limited by the limiting chute 34, and the first connecting rod 17 and the second connecting rod 31 move upwards to drive the fan-shaped support plate 18 to move into the escape cavity 15;

when the escape device needs to move, the first motor 28 is started to drive the first rotating shaft 27 to rotate, the first rotating shaft 27 rotates to drive the gear 25 to rotate, the gear 25 is meshed with the annular gear block 26 to drive the annular sliding block 13 to rotate, the annular sliding block 13 rotates to drive the shell 11 to rotate, and the shell 11 rotates to move upwards to escape;

when oxygen supply work is needed, the third motor 51 is started to drive the second rotating shaft 52 to rotate, the second rotating shaft 52 rotates to drive the cam 48 to rotate, the T-shaped sliding block 49 is limited by the T-shaped sliding groove 50, the cam 48 rotates to enable the T-shaped sliding block 49 to move up and down, the T-shaped sliding block 49 moves up and down to drive the one-way pipeline 43 to move up and down, the one-way pipeline 43 slides to the position where the straight channel 46 is communicated with the inclined channel 45, oxygen in the high-pressure cavity 41 is pressed out under high pressure, enters from the inclined channel 45 and enters the escape cavity 15 through the straight channel 46, the communication cavity 47 and the L-shaped bent pipe 40.

While the invention has been shown and described with reference to certain exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents. Accordingly, the scope of the present invention should not be limited to the above-described embodiments, but should be defined not only by the appended claims, but also by equivalents thereof.

Claims

1. The utility model provides a mine safety early warning system, includes that fixed mounting is in the ground end and outer terminal surface area screwed bracing piece (24), its characterized in that: the outer end face of the supporting rod (24) is in threaded connection with a shell (11), the outer end face of the shell (11) is fixedly provided with a spiral device (23) in threaded connection with the supporting rod (24), a working cavity (14) with a downward opening is arranged in the shell (11), a sliding cavity (33) is arranged in the support rod (24), the inner wall of the sliding cavity (33) is provided with a limiting sliding chute (36) with symmetrical left and right positions, the inner wall of the working cavity (14) is connected with an annular slide block (13) which is connected with the sliding cavity (33) in a sliding way, the end surface of the annular slide block (13) close to the support rod (24) is fixedly provided with a limiting slide block (32) which is connected with the limiting slide groove (36) in a sliding way, a driving cavity (12) is arranged between the annular sliding block (13) and the shell (11), a driving device (60) capable of driving the shell (11) to move is arranged in the driving cavity (12);

an annular mounting block (16) is fixedly arranged on the inner wall of the working cavity (14), an escape cavity (15) which is symmetrical in left and right positions is arranged in the annular mounting block (16), and a lifesaving device (61) which can give an alarm and help people in distress is arranged in the escape cavity (15);

an inflation cavity (39) with symmetrical front and back positions is arranged in the annular mounting block (16), and an oxygen supply device (62) capable of providing oxygen for the escape cavity (15) is arranged in the inflation cavity (39).

2. The mine safety precaution system of claim 1, wherein: the driving device (60) comprises an annular tooth pattern block (26) fixedly arranged between the upper wall and the lower wall of the driving cavity (12), a first motor (28) which is symmetrical in left and right positions is fixedly arranged on the bottom wall of the driving cavity (12), the upper end face of the first motor (28) is rotatably connected with a first rotating shaft (27), and a gear (25) meshed with the tooth pattern of the annular tooth pattern block (26) is fixedly arranged on the upper end face of the first rotating shaft (27).

3. The mine safety precaution system of claim 1, wherein: the lifesaving device (61) comprises a second motor (22) fixedly arranged on the upper wall of the escape cavity (15), a threaded shaft (20) is rotatably connected to the lower end face of the second motor (22), a pressing block (19) is fixedly arranged on the lower end face of the threaded shaft (20), a fan-shaped moving block (21) is in threaded connection with the threaded shaft (20), a guide groove (29) is formed in the side wall, far away from the support rod (24), of the escape cavity (15), a guide sliding block (30) in sliding connection with the guide groove (29) is fixedly arranged on the end face, far away from the support rod (24), of the fan-shaped moving block (21), a limiting cavity (35) is arranged in the annular mounting block (16), and limiting sliding grooves (34) which are symmetrical in position are formed in the left wall and the right wall of the limiting cavity (35).

4. A mine safety precaution system according to claim 3, characterized in that: the fan-shaped moving block is characterized in that a first connecting rod (17) is fixedly arranged on the lower end face of the fan-shaped moving block (21), a second connecting rod (31) is connected in the limiting cavity (35) in a sliding mode, limiting blocks (37) which are connected with the limiting sliding grooves (34) in a sliding mode are fixedly arranged on the left end face and the right end face of the second connecting rod (31), fan-shaped supporting plates (18) are fixedly arranged on the lower end faces of the first connecting rod (17) and the second connecting rod (31), mounting rods (54) are fixedly arranged on the upper end faces of the fan-shaped supporting plates (18), and early warning equipment (53) is fixedly arranged on the upper ends of the mounting rods (54).

5. The mine safety precaution system of claim 1, wherein: oxygen supply apparatus (62) including set firmly in high-pressure tank (38) in aerifing chamber (39), be equipped with high-pressure chamber (41) of placing oxygen in high-pressure tank (38), high-pressure chamber (41) diapire has set firmly to run through square installation piece (42) of terminal surface under high-pressure tank (38), be equipped with transmission chamber (44) that open side down in square installation piece (42), sliding connection has in square installation piece (42) extends to one-way pipeline (43) in transmission chamber (44).

6. The mine safety precaution system of claim 5, wherein: be equipped with oblique passageway (45) of front and back position symmetry in square installation piece (42), be equipped with communicating chamber (47) that open side down in one-way pipeline (43), sliding connection has in communicating chamber (47) extends to L type return bend (40) in chamber (15) flee, the wall is equipped with before communicating chamber (47) and runs through terminal surface around one-way pipeline (43) and with straight passageway (46) of oblique passageway (45) intercommunication, be equipped with in square installation piece (42) and make linkage (63) that one-way pipeline (43) reciprocated.

7. The mine safety precaution system of claim 6, wherein: the linkage device (63) comprises a third motor (51) fixedly arranged on the front wall and the rear wall of the transmission cavity (44), the end face, close to the symmetry center, of the third motor (51) is rotatably connected with a second rotating shaft (52), the end face, close to the symmetry center, of the second rotating shaft (52) is fixedly provided with a cam (48), a T-shaped sliding groove (50) is formed in the cam (48), and a T-shaped sliding block (49) in sliding connection with the T-shaped sliding groove (50) is fixedly arranged on the front end face and the rear end face of the one-way pipeline (43).