CN109488385B - Coal mine safety monitoring device - Google Patents
Coal mine safety monitoring device Download PDFInfo
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- CN109488385B CN109488385B CN201910009812.5A CN201910009812A CN109488385B CN 109488385 B CN109488385 B CN 109488385B CN 201910009812 A CN201910009812 A CN 201910009812A CN 109488385 B CN109488385 B CN 109488385B
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- 239000003245 coal Substances 0.000 title claims abstract description 21
- 238000012806 monitoring device Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 106
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000012544 monitoring process Methods 0.000 claims abstract description 58
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000001301 oxygen Substances 0.000 claims abstract description 32
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 32
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 2
- 210000003781 tooth socket Anatomy 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention relates to the technical field of coal mine safety monitoring, in particular to a coal mine safety monitoring device which comprises a fixed shell, a fixed disc, a fixed supporting mechanism, a wire take-up mechanism, a monitoring mechanism, an alarm mechanism, a rotating mechanism and a stressing mechanism, wherein the fixed shell for mounting equipment is fixedly connected to the top end of a fixed column; the fixed shell for mounting the monitoring equipment is arranged at the top of the fixed disc; the power-up mechanism for providing power for the rotation of the rotating disk is arranged in the fixed disk and connected with the first gear; the take-up mechanism for taking up and paying off the cable is arranged on the fixed shell; the monitoring mechanism for monitoring the methane concentration and the oxygen concentration in the mine is arranged on the fixed shell, the rotating disc and the fixed disc. The invention can simultaneously monitor the methane concentration and the horizontal concentration in the horizontal ranges with different heights and different radiuses on the vertical line, and has stronger early warning capability.
Description
Technical Field
The invention relates to the technical field of coal mine safety monitoring, in particular to a coal mine safety monitoring device.
Background
The underground coal mine is a special working environment, contains inflammable and explosive combustible gas and corrosive gas, is wet, drenched, large in mine dust, large in power grid voltage fluctuation, serious in electromagnetic interference, narrow and small in space and long in monitoring distance. The mine monitoring system is therefore different from a general industrial monitoring system.
However, the monitoring distance of the mine is far, the mine is narrow, and the traditional monitoring equipment is inconvenient to move and carry. In the monitoring process, the methane concentration at different heights is different due to the influence of wind power because methane is more hydrogen than air. The traditional monitoring equipment can only monitor the methane concentration at a horizontal position, and the monitoring range is limited. In view of this, the invention provides a coal mine safety monitoring device, which has the following characteristics:
(1) according to the coal mine safety monitoring device, the three groups of monitoring mechanisms are respectively arranged on the top surface of the fixed shell, the side wall of the rotating disc and the top surface of the fixed disc, the monitoring mechanisms can freely extend and retract, the methane concentration sensors and the oxygen concentration sensors are simultaneously arranged at different heights, and the monitoring mechanisms connected to the fixed shell and the fixed disc can monitor the methane concentration and the oxygen concentration at different heights in the vertical direction, so that a certain early warning effect is achieved. Meanwhile, the monitoring mechanism arranged on the rotating disc can monitor by utilizing the rotation of the rotating disc, monitor within a certain range on the horizontal position and reduce the influence of wind factors on the monitoring structure.
(2) According to the coal mine safety monitoring device, the wire collecting mechanism is arranged at one end of the fixed shell, so that the monitoring distance is increased, and meanwhile, cables are convenient to collect and arrange, so that the whole device is convenient to carry. The bottom of fixed disc is equipped with the fixed stay mechanism that can the idol freely contract, when conveniently carrying in narrow and small space, also conveniently carries out fixed mounting in the mine, and the mounting height is adjustable.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a coal mine safety monitoring device, wherein three groups of monitoring mechanisms are respectively arranged on the top surface of a fixed shell, the side wall of a rotating disc and the top surface of a fixed disc, the monitoring mechanisms can freely extend and retract, and are simultaneously provided with a methane concentration sensor and an oxygen concentration sensor at different heights, and the monitoring mechanisms connected with the fixed shell and the fixed disc can monitor the methane concentration and the oxygen concentration at different heights in the vertical direction, so that a certain early warning effect is achieved. Simultaneously, the monitoring mechanism of setting on the rotating disc can utilize the rotating disc to rotate and monitor, monitors in the certain extent on the horizontal position, reduces the influence of wind-force factor to monitoring structure, and the one end of fixed casing is equipped with admission machine, has increased the monitoring distance, conveniently collects and arranges the cable simultaneously to realize that whole device conveniently carries. The bottom of fixed disc is equipped with the fixed stay mechanism that can the idol freely contract, when conveniently carrying in narrow and small space, also conveniently carries out fixed mounting in the mine, and the mounting height is adjustable.
The technical scheme adopted by the invention for solving the technical problems is as follows: a coal mine safety monitoring device comprises a fixed shell, a fixed disc, a fixed supporting mechanism, a take-up mechanism, a monitoring mechanism, an alarm mechanism, a rotating mechanism and a stressing mechanism, wherein the fixed supporting mechanism used for supporting and installing the whole device in a mine is connected to the bottom of the fixed disc; a fixing column for fixedly connecting the fixing disc and the fixing shell is connected between the fixing disc and the fixing shell; the fixed shell for mounting equipment is fixedly connected to the top end of the fixed column; the rotating mechanism used for providing rotation monitoring is connected to the fixed disc and the fixed column, the rotating mechanism comprises a rotating disc, a fourth rotating column, a clockwork spring, a rotating drum and a first gear, the fourth rotating column is rotatably sleeved on the fixed column, the part of the fourth rotating column, which is located between the fixed disc and the fixed shell, is fixedly sleeved with the rotating disc, the outer side wall of the part of the fourth rotating column, which penetrates into the fixed disc, is connected with one end of the clockwork spring, the other end of the clockwork spring is connected to the inner side wall of the rotating drum, the rotating drum is connected into the fixed disc in a clamping and rotating mode, and the first gear is fixedly sleeved on the outer side wall of the rotating drum; the fixed shell for mounting the monitoring equipment is arranged at the top of the fixed disc; the power-up mechanism for providing power for the rotation of the rotating disk is arranged in the fixed disk and connected with the first gear; the take-up mechanism for taking up and paying off the cable is arranged on the fixed shell and comprises a rotating handle, the cable, a third rotating column and a take-up roller, the rotating handle is connected to the side wall of the fixed shell, the rotating handle penetrates into the fixed shell and is connected to one end of the third rotating column, the other end of the third rotating column is clamped and rotatably connected to the other symmetrical side wall of the fixed shell, the take-up roller is fixedly sleeved on the third rotating column and is wound with the cable, and the other end of the cable penetrates out of a take-up groove in the side wall of the fixed shell; the monitoring mechanism for monitoring the methane concentration and the oxygen concentration in the mine is arranged on the fixed shell, the rotating disc and the fixed disc and comprises a first telescopic rod, a second telescopic rod, a methane concentration sensor and an oxygen concentration sensor, the bottom end of the first telescopic rod is clamped and telescopically connected on the top surface of the fixed shell, the bottom end of the second telescopic rod is clamped and telescopically connected on the top end of the first telescopic rod, through holes are respectively arranged in the first telescopic rod and the second telescopic rod, the methane concentration sensor and the oxygen concentration sensor are respectively arranged in the two through holes which are horizontally and symmetrically arranged on the first telescopic rod and the second telescopic rod, the methane concentration sensor and the oxygen concentration sensor are electrically connected with the cable, and the monitoring mechanism is provided with three groups, the three groups of monitoring mechanisms are respectively arranged on the top surface of the fixed shell, the side wall of the rotating disc and the bottom surface of the fixed disc; the alarm mechanism is used for alarming and is arranged on the top surface of the fixed shell.
Specifically, fixed supporting mechanism includes that first backup pad, second backup pad, first rotation post and second rotate the post, the top of first backup pad is passed through the second rotate the post rotate connect in the one end of the draw-in groove of the bottom surface of fixed disc, the second backup pad passes through first rotation post rotate connect in first backup pad, just first backup pad with mutual block is connected between the second backup pad.
Specifically, first backup pad the second backup pad reaches the solid fixed position 45 of turned angle between the fixed disc, just fixed support mechanism is equipped with three groups, three groups fixed support mechanism be regular triangle-shaped connect in the bottom surface of fixed disc, just first backup pad with the length of second backup pad all is less than the radius of fixed disc.
Specifically, the tensioning mechanism comprises a second gear, a fifth rotating column, a connecting telescopic column, a telescopic spring, a third gear and a pressing knob, the second gear is arranged in the fixed disc and is meshed with the first gear, the second gear is fixedly sleeved on the fifth rotating column, the fifth rotating column is connected in the fixed disc in a clamping and rotating manner, the top end of the connecting telescopic column is connected in the bottom end of the fifth rotating column in a clamping and telescopic manner, the bottom end of the connecting telescopic column is connected with the third gear, the third gear is connected in a clamping and telescopic manner in a tooth socket in the fixed disc in a clamping and telescopic manner, the telescopic spring is sleeved on the connecting rotating column between the fifth rotating column and the third gear, and two ends of the telescopic spring are respectively and fixedly connected on opposite side walls of the fifth rotating column and the third gear, one side of the third gear, which is far away from the connecting telescopic column, is connected with the pressing knob which penetrates out of the bottom surface of the fixed disc.
Specifically, alarm mechanism includes buzzer siren and warning light, buzzer siren locates on the top surface of fixed casing, be equipped with on the buzzer siren the warning light, just buzzer siren with the warning light with methane consistency transmitter and electric connection between the oxygen consistency transmitter.
The invention has the beneficial effects that:
(1) according to the coal mine safety monitoring device, the three groups of monitoring mechanisms are respectively arranged on the top surface of the fixed shell, the side wall of the rotating disc and the top surface of the fixed disc, the monitoring mechanisms can freely extend and retract, the methane concentration sensors and the oxygen concentration sensors are simultaneously arranged at different heights, and the monitoring mechanisms connected to the fixed shell and the fixed disc can monitor the methane concentration and the oxygen concentration at different heights in the vertical direction, so that a certain early warning effect is achieved. Meanwhile, the monitoring mechanism arranged on the rotating disc can monitor by utilizing the rotation of the rotating disc, monitor within a certain range on the horizontal position and reduce the influence of wind factors on the monitoring structure.
(2) According to the coal mine safety monitoring device, the wire collecting mechanism is arranged at one end of the fixed shell, so that the monitoring distance is increased, and meanwhile, cables are convenient to collect and arrange, so that the whole device is convenient to carry. The bottom of fixed disc is equipped with the fixed stay mechanism that can the idol freely contract, when conveniently carrying in narrow and small space, also conveniently carries out fixed mounting in the mine, and the mounting height is adjustable.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic cross-sectional view of a coal mine safety monitoring device according to a preferred embodiment of the present invention;
FIG. 2 is a schematic front cross-sectional view of the stationary housing, the monitoring mechanism and the wire rewinding mechanism shown in FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic bottom cross-sectional view of the stationary support mechanism and stationary plate of FIG. 1;
FIG. 5 is a schematic top cross-sectional structural connection of the rotating mechanism shown in FIG. 1;
fig. 6 is a structural connection sectional view of the force applying mechanism and the fixed disk shown in fig. 5.
In the figure: 1. a fixed shell, 1a, a wire take-up groove, 2, a fixed disc, 3, a fixed supporting mechanism, 31, a first supporting plate, 32, a second supporting plate, 33, a first rotating column, 34, a second rotating column, 4, a wire take-up mechanism, 41, a rotating handle, 42, a cable, 43, a third rotating column, 44, a wire take-up roller, 5, a monitoring mechanism, 51, a first telescopic rod, 51a, a through hole, 52, a second telescopic rod, 53, a methane concentration sensor and 54, the oxygen concentration sensor comprises an oxygen concentration sensor 6, an alarm mechanism 61, a buzzer alarm 62, a warning light 7, a rotating mechanism 71, a rotating disk 72, a fourth rotating column 73, a clockwork spring 74, a rotating drum 75, a first gear 8, a force applying mechanism 81, a second gear 82, a fifth rotating column 83, a connecting telescopic column 84, a telescopic spring 85, a third gear 86, a pressing knob 9 and a fixing column.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-6, the coal mine safety monitoring device of the present invention includes a fixed casing 1, a fixed disc 2, a fixed support mechanism 3, a wire rewinding mechanism 4, a monitoring mechanism 5, an alarm mechanism 6, a rotating mechanism 7 and a stressing mechanism 8, wherein the fixed support mechanism 3 for supporting and installing the whole device in a mine is connected to the bottom of the fixed disc 2; a fixing column 9 for fixedly connecting the fixing disc 2 and the fixing shell 1 is connected between the fixing disc 2 and the fixing shell 1; the fixed shell 1 for mounting equipment is fixedly connected to the top end of the fixed column 9; the rotating mechanism 7 for providing rotation monitoring is connected to the fixed disk 2 and the fixed column 9, the rotating mechanism 7 comprises a rotating disk 71, a fourth rotating column 72, a spring 73, a drum 74 and a first gear 75, the fourth rotating column 72 is rotatably sleeved on the fixed column 9, the portion of the fourth rotating column 72 between the fixed disk 2 and the fixed shell 1 is fixedly sleeved on the rotating disk 71, one end of the spring 73 is connected to the outer side wall of the portion of the fourth rotating column 72 penetrating into the fixed disk 2, the other end of the spring 73 is connected to the inner side wall of the drum 74, the drum 74 is connected in the fixed disk 2 in a clamping and rotating manner, and the first gear 75 is fixedly sleeved on the outer side wall of the drum 74; the fixed shell 1 for mounting the monitoring equipment is arranged at the top of the fixed disc 2; the power-up mechanism 8 for providing power for the rotation of the rotating disk 71 is arranged in the fixed disk 2 and connected with the first gear 75; the take-up mechanism 4 for winding and unwinding the cable 42 is arranged on the fixed housing 1, the take-up mechanism 4 comprises a rotating handle 41, the cable 42, a third rotating column 43 and a take-up roller 44, the side wall of the fixed housing 1 is connected with the rotating handle 41, the rotating handle 41 is penetrated into the fixed housing 1 and connected to one end of the third rotating column 43, the other end of the third rotating column 43 is clamped and rotatably connected to the other symmetrical side wall of the fixed housing 1, the take-up roller 44 is fixedly sleeved on the third rotating column 43, the cable 42 is wound on the take-up roller 44, and the other end of the cable 42 penetrates out of the take-up groove 1a on the side wall of the fixed housing 1; the monitoring mechanism 5 for monitoring the methane concentration and the oxygen concentration in the mine is arranged on the fixed shell 1, the rotating disc 71 and the fixed disc 2, the monitoring mechanism 5 comprises a first telescopic rod 51, a second telescopic rod 52, a methane concentration sensor 53 and an oxygen concentration sensor 54, the bottom end of the first telescopic rod 51 is clamped and telescopically connected on the top surface of the fixed shell 1, the bottom end of the second telescopic rod 52 is clamped and telescopically connected on the top end of the first telescopic rod 51, through holes 51a are respectively arranged in the first telescopic rod 51 and the second telescopic rod 52, the methane concentration sensor 53 and the oxygen concentration sensor 54 are respectively arranged in two horizontally and symmetrically arranged through holes 51a on the first telescopic rod 51 and the second telescopic rod 52, and the methane concentration sensor 53 and the oxygen concentration sensor 54 are electrically connected with the cable 42, three groups of monitoring mechanisms 5 are arranged, and the three groups of monitoring mechanisms 5 are respectively arranged on the top surface of the fixed shell 1, the side wall of the rotating disc 71 and the bottom surface of the fixed disc 2; the alarm mechanism 6 is used for alarming and is arranged on the top surface of the fixed shell 1.
Specifically, fixed supporting mechanism 3 includes first backup pad 31, second backup pad 32, first rotation post 33 and second rotation post 34, the top of first backup pad 31 is passed through second rotation post 34 rotate connect in the one end of the draw-in groove of the bottom surface of fixed disc 2, second backup pad 32 passes through first rotation post 33 rotate connect in first backup pad 31, just first backup pad 31 with mutual block between the second backup pad 32 is connected, when conveniently carrying, plays effectual fixed stay's effect to whole equipment. When the portable fixing support mechanism is carried, the second support plate 32 is rotatably clamped and connected in the clamping groove on the second support plate 32 by the first rotating column 33, and then the whole first support plate 31 and the whole second support plate 32 are rotatably clamped and connected on the bottom surface of the fixed disc 2 by the second rotating column 34, so that the whole fixing support mechanism 3 is clamped and fixed on the fixed disc 2. When the device is used, the first support plate 31 and the second support plate 32 are rotated out from the bottom surface of the fixed disc 2 by the second rotating column 34, the second support plate 32 is rotated out from the clamping groove of the first support plate 31 by the first rotating column 33, the first support plate 31 is rotated to the maximum degree and is connected with the second support plate 32 to form a straight line, and the three groups of fixed support mechanisms 3 are rotated out and supported and fixed on the bottom surface, so that the whole device can be effectively and fixedly supported.
Specifically, first backup pad 31 second backup pad 32 reaches the fixed position 45 of turned angle between the fixed disc 2, just fixed supporting mechanism 3 is equipped with three groups, three groups fixed supporting mechanism 3 be regular triangle-shaped connect in the bottom surface of fixed disc 2, just first backup pad 31 with the length of second backup pad 32 all is less than the radius of fixed disc 2 increases and supports fixed stability.
Specifically, the force applying mechanism 8 includes a second gear 81, a fifth rotating column 82, a connecting telescopic column 83, a telescopic spring 84, a third gear 85 and a pressing knob 86, the second gear 81 is disposed in the fixed disk 2 and engaged with the first gear 75, the second gear 81 is fixedly sleeved on the fifth rotating column 82, the fifth rotating column 82 is engaged and rotatably connected in the fixed disk 2, the top end of the connecting telescopic column 83 is engaged and telescopically connected to the bottom end of the fifth rotating column 82, the bottom end of the connecting telescopic column 83 is connected to the third gear 85, the third gear 85 is engaged and telescopically connected to a tooth groove in the fixed disk 2, the telescopic spring 84 is sleeved on the connecting rotating column between the fifth rotating column 82 and the third gear 85, two ends of the telescopic spring 84 are respectively and fixedly connected to opposite side walls of the fifth rotating column 82 and the third gear 85, one side of the third gear 85, which is far away from the connecting telescopic column 83, is connected with the pressing knob 86 which penetrates out of the bottom surface of the fixed disc 2, so as to provide power for the rotation of the rotating disc 71. During the use, upwards press the knob 86 of pressing, make third gear 85 in the fixed disc 2 break away from the tooth's socket, then rotate and press knob 86, utilize and connect flexible post 83 and drive fifth rotation post 82 and rotate, fifth rotation post 82 drives second gear 81 and rotates to drive first gear 75 and rotate, first gear 75 drives and rotates rotary drum 74, and the fixed rotary disc 71 of hand makes fourth rotation post 72 fixed this moment, rotates rotary drum 74 this moment, realizes for clockwork spring 73 to power up. After the spring 73 is wound, the pressing knob 86 is loosened, the third gear 85 returns to the original position by the restoring force of the extension spring 84 and is clamped and connected in the tooth groove in the fixed disc 2, the drum 74 connected with the outer end of the wound spring 73 is fixed, at the moment, the rotating disc 71 is loosened, and the spring 73 can drive the fourth rotating column 72, so that the rotating disc 71 is driven to rotate.
Specifically, alarm mechanism 6 includes buzzer siren 61 and warning light 62, buzzer siren 61 is located on the top surface of fixed casing 1, be equipped with on the buzzer siren 61 warning light 62, just buzzer siren 61 with warning light 62 with methane concentration sensor 53 and electric connection between the oxygen concentration sensor 54 is the early warning device of automatic start when methane concentration surpasss the highest value, oxygen concentration is less than the lowest value. During the use, when appearing in the mine environment that methane concentration is higher than the limit value or oxygen concentration is less than the limit value, methane concentration sensor 53 and oxygen concentration sensor 54 will be with automatic transmission of signal to buzzer siren 61 and warning light 62, make buzzer siren 61 produce the buzzing sound, and warning light 62 produces ruddiness, and then realizes the early warning, wait that the staff handles can.
When the cable winding device is used and carried, the cable 42 is rotated by the rotating handle 41 to drive the third rotating column 43 to rotate, so that the cable winding roller 44 is driven to rotate to take the cable 42 into the fixed shell 1, and the cable winding device is convenient to carry. Meanwhile, when the portable fixing device is carried, the second support plate 32 is rotatably clamped and connected in the clamping groove on the second support plate 32 by the first rotating column 33, and then the whole first support plate 31 and the whole second support plate 32 are rotatably clamped and connected on the bottom surface of the fixed disc 2 by the second rotating column 34, so that the whole fixing support mechanism 3 is clamped and fixed on the fixed disc 2. After reaching the mine, connect the power with one end of cable 42, rotate and change handle 41, the cable 42 that the winding was played is not only conveniently carried, can increase length simultaneously, adapts to the connection of the monitoring facilities of long distance in the mine. The cable 42 is paid out, the monitoring device is brought into a mine to reach a preset position, the first support plate 31 and the second support plate 32 are rotated out from the bottom surface of the fixed disc 2 by the second rotating column 34, the second support plate 32 is rotated out from the clamping groove of the first support plate 31 by the first rotating column 33, the first support plate 31 is rotated to the maximum degree and is connected with the second support plate 32 in a straight line, and the three groups of fixed support mechanisms 3 are rotated out and supported and fixed on the bottom surface to realize the fixed support of the monitoring device at the preset position. Then, according to the size of the surrounding space, the first telescopic rod 51 and the second telescopic rod 52 connected to the top surface of the fixed housing 1, the side wall of the rotating disc 71 and the bottom surface of the fixed disc 2 are respectively stretched to a certain height or length, and methane concentration and oxygen concentration at different heights in the vertical direction are monitored by using the methane concentration sensor 53 and the oxygen concentration sensor 54 arranged on the first telescopic rod 51 and the second telescopic rod 52. At this time, the pressing knob 86 is pressed upwards to separate the third gear 85 in the fixed disc 2 from the tooth socket, then the pressing knob 86 is rotated, the connecting telescopic column 83 is utilized to drive the fifth rotating column 82 to rotate, the fifth rotating column 82 drives the second gear 81 to rotate, so as to drive the first gear 75 to rotate, the first gear 75 drives the rotating drum 74, at this time, the rotating disc 71 is fixed by hand, so that the fourth rotating column 72 is fixed, at this time, the rotating drum 74 is rotated, and the spring 73 is wound. After the spring 73 is tightened, the pressing knob 86 is loosened, the third gear 85 returns to the original position by utilizing the restoring force of the extension spring 84 and is connected in the tooth groove in the fixed disc 2 in a clamping manner, the drum 74 connected with the outer end of the spring 73 after being tightened is fixed, the rotating disc 71 is loosened at the moment, the spring 73 can drive the fourth rotating column 72, and therefore the rotating disc 71 is driven to rotate, and the methane concentration and the oxygen concentration within a certain radius horizontal range are adjusted. When methane concentration is higher than the limit value or oxygen concentration is lower than the limit value in the mine environment, the methane concentration sensor 53 and the oxygen concentration sensor 54 automatically transmit signals to the buzzer alarm 61 and the warning lamp 62, so that the buzzer alarm 61 generates buzzing sound, and the warning lamp 62 generates red light, thereby realizing early warning and waiting for the processing of workers.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a coal mine safety monitoring device which characterized in that: the device comprises a fixed shell (1), a fixed disc (2), a fixed supporting mechanism (3), a take-up mechanism (4), a monitoring mechanism (5), an alarm mechanism (6), a rotating mechanism (7) and a stressing mechanism (8), wherein the fixed supporting mechanism (3) for supporting and installing the whole device in a mine is connected to the bottom of the fixed disc (2); a fixing column (9) for fixedly connecting the fixing disc (2) and the fixing shell (1) is connected between the fixing disc (2) and the fixing shell (1); the fixed shell (1) for mounting equipment is fixedly connected to the top end of the fixed column (9); wherein the content of the first and second substances,
the rotating mechanism (7) for providing rotation monitoring is connected to the fixed disk (2) and the fixed column (9), the rotating mechanism (7) comprises a rotating disk (71), a fourth rotating column (72), a spring (73), a drum (74) and a first gear (75), the fourth rotating column (72) is rotatably sleeved on the fixed column (9), the portion of the fourth rotating column (72) between the fixed disk (2) and the fixed shell (1) is fixedly sleeved with the rotating disk (71), the outer side wall of the portion of the fourth rotating column (72) penetrating into the fixed disk (2) is connected with one end of the spring (73), the other end of the spring (73) is connected to the inner side wall of the drum (74), and the drum (74) is connected in the fixed disk (2) in a clamping and rotating mode, the outer side wall of the rotary drum (74) is fixedly sleeved with the first gear (75);
the fixed shell (1) for mounting the monitoring equipment is arranged at the top of the fixed disc (2); the power-up mechanism (8) for providing power for the rotation of the rotating disk (71) is arranged in the fixed disk (2) and connected with the first gear (75); the take-up mechanism (4) used for taking up and paying off the cable (42) is arranged on the fixed shell (1), the take-up mechanism (4) comprises a rotating handle (41), the cable (42), a third rotating column (43) and a take-up roller (44), the rotating handle (41) is connected onto the side wall of the fixed shell (1), the rotating handle (41) penetrates into the fixed shell (1) and is connected to one end of the third rotating column (43), the other end of the third rotating column (43) is clamped and rotatably connected onto the other symmetrical side wall of the fixed shell (1), the take-up roller (44) is fixedly sleeved on the third rotating column (43), the cable (42) is wound on the take-up roller (44), and the other end of the cable (42) penetrates out of a take-up groove (1a) on the side wall of the fixed shell (1);
the monitoring mechanism (5) for monitoring methane concentration and oxygen concentration in a mine is arranged on the fixed shell (1), the rotating disc (71) and the fixed disc (2), the monitoring mechanism (5) comprises a first telescopic rod (51), a second telescopic rod (52), a methane concentration sensor (53) and an oxygen concentration sensor (54), the bottom end of the first telescopic rod (51) is clamped and telescopically connected onto the top surface of the fixed shell (1), the bottom end of the second telescopic rod (52) is clamped and telescopically connected onto the top end of the first telescopic rod (51), through holes (51a) are formed in the first telescopic rod (51) and the second telescopic rod (52), and the methane concentration sensor (53) and the oxygen concentration sensor (54) are respectively arranged in two through holes (51a) which are horizontally and symmetrically arranged on the first telescopic rod (51) and the second telescopic rod (52), the methane concentration sensor (53), the oxygen concentration sensor (54) and the cable (42) are electrically connected, three groups of monitoring mechanisms (5) are arranged, and the three groups of monitoring mechanisms (5) are respectively arranged on the top surface of the fixed shell (1), the side wall of the rotating disc (71) and the bottom surface of the fixed disc (2); the alarm mechanism (6) is used for alarming and is arranged on the top surface of the fixed shell (1).
2. A coal mine safety monitoring device according to claim 1, wherein: fixed supporting mechanism (3) include first backup pad (31), second backup pad (32), first rotation post (33) and second rotation post (34), the top of first backup pad (31) is passed through second rotation post (34) rotate connect in the one end of the draw-in groove of the bottom surface of fixed disc (2), second backup pad (32) pass through first rotation post (33) rotate connect in first backup pad (31), just first backup pad (31) with mutual block is connected between second backup pad (32).
3. A coal mine safety monitoring device according to claim 2, wherein: first backup pad (31) second backup pad (32) reach the fixed position 45 of turned angle between fixed disc (2), just fixed support mechanism (3) are equipped with three groups, three groups fixed support mechanism (3) be regular triangle-shaped connect in the bottom surface of fixed disc (2), just first backup pad (31) with the length of second backup pad (32) all is less than the radius of fixed disc (2).
4. A coal mine safety monitoring device according to claim 1, wherein: the upper force mechanism (8) comprises a second gear (81), a fifth rotating column (82), a connecting telescopic column (83), a telescopic spring (84), a third gear (85) and a pressing knob (86), the second gear (81) is arranged in the fixed disc (2) and is meshed with the first gear (75), the second gear (81) is fixedly sleeved on the fifth rotating column (82), the fifth rotating column (82) is clamped and rotatably connected in the fixed disc (2), the top end of the connecting telescopic column (83) is clamped and telescopically connected with the bottom end of the fifth rotating column (82), the bottom end of the connecting telescopic column (83) is connected with the third gear (85), the third gear (85) is clamped and telescopically connected in a tooth groove in the fixed disc (2), and the telescopic spring (84) is sleeved on the connecting rotating column between the fifth rotating column (82) and the third gear (85), two ends of the telescopic spring (84) are respectively and fixedly connected to opposite side walls of the fifth rotating column (82) and the third gear (85), and one side, deviating from the connecting telescopic column (83), of the third gear (85) is connected with the pressing knob (86) penetrating out of the bottom surface of the fixed disc (2).
5. A coal mine safety monitoring device according to claim 1, wherein: alarm mechanism (6) are including buzzer siren (61) and warning light (62), buzzer siren (61) are located on the top surface of fixed casing (1), be equipped with on buzzer siren (61) warning light (62), just buzzer siren (61) with warning light (62) with methane concentration sensor (53) and electric connection between oxygen concentration sensor (54).
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| CN201910009812.5A CN109488385B (en) | 2019-01-05 | 2019-01-05 | Coal mine safety monitoring device |
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| CN201910009812.5A CN109488385B (en) | 2019-01-05 | 2019-01-05 | Coal mine safety monitoring device |
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| CN109488385B true CN109488385B (en) | 2020-07-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111691922B (en) * | 2020-06-18 | 2021-10-01 | 河南理工大学 | Colliery calamity risk safety monitoring early warning device in pit based on radio communication |
| CN112196622B (en) * | 2020-10-12 | 2022-07-08 | 重庆工程职业技术学院 | Coal mine safety monitoring device |
| CN114607920B (en) * | 2022-03-08 | 2023-05-23 | 贵州大学 | Stope mine pressure monitoring device under repeated mining |
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Effective date of registration: 20200612 Address after: 312030 building 3, qiansiwen section, renjiafan village, Lanting street, Keqiao District, Shaoxing City, Zhejiang Province Applicant after: Shaoxing Zunrong Automation Equipment Co.,Ltd. Address before: 232001 Shannan New District, Anhui University of Technology, 168 Taifeng Street, Huainan City, Anhui Province Applicant before: Li Jingxian |
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