CN113049746A - Gas early warning monitoring device for coal mine safety production and use method thereof - Google Patents
Gas early warning monitoring device for coal mine safety production and use method thereof Download PDFInfo
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- CN113049746A CN113049746A CN202110230958.XA CN202110230958A CN113049746A CN 113049746 A CN113049746 A CN 113049746A CN 202110230958 A CN202110230958 A CN 202110230958A CN 113049746 A CN113049746 A CN 113049746A
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- 239000003245 coal Substances 0.000 title claims abstract description 35
- 238000012806 monitoring device Methods 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 141
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000000903 blocking effect Effects 0.000 claims description 33
- 238000000926 separation method Methods 0.000 claims description 33
- 239000000428 dust Substances 0.000 claims description 28
- 230000001681 protective effect Effects 0.000 claims description 25
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 21
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 14
- 230000008054 signal transmission Effects 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 10
- 239000003063 flame retardant Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 10
- 239000011435 rock Substances 0.000 claims description 10
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 7
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims description 5
- 230000001012 protector Effects 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 4
- 230000003116 impacting effect Effects 0.000 claims description 3
- 239000012634 fragment Substances 0.000 claims description 2
- 230000008676 import Effects 0.000 claims 3
- 230000009471 action Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital using a threshold to release an alarm or displaying means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
Abstract
The invention discloses a gas early warning monitoring device for coal mine safety production and a using method thereof, and the gas early warning monitoring device comprises an early warning box body, a protection mechanism, a gas detector and a standby detector, wherein a mounting groove is formed in one side of the early warning box body, the gas detector is arranged in the mounting groove, the standby detector is arranged in the early warning box body, the protection mechanism is arranged on the early warning box body, the protection mechanism comprises connecting supports, mounting plates, telescopic rods, folding protection components and power transmission components, the connecting supports are symmetrically arranged on the top wall of the early warning box body, the mounting plates are provided with two groups, the middle parts of the two groups are respectively and rotatably arranged on the connecting supports, the telescopic rods are hinged on the side wall of the early warning box body and are hinged on the mounting plates, the folding protection components are respectively arranged on. The invention relates to the technical field of coal mine safety production, and particularly provides a gas early warning monitoring device for coal mine safety production and a using method thereof.
Description
Technical Field
The invention relates to the technical field of coal mine safety production, in particular to a gas early warning monitoring device for coal mine safety production and a using method thereof.
Background
The gas seriously threatens the safe production of coal mines. In order to improve the safety production of coal mines, the safety production of mines is promoted. The coal mine gas concentration needs to be monitored so as to ensure that managers can find the coal mine gas concentration in time. However, the existing coal mine gas early warning monitoring device is only provided with a set of detectors in the patrol monitoring process, and once the coal mine gas early warning monitoring device is damaged due to explosion impact or collapse and rock fall, concentration monitoring can not be carried out any more, so that the subsequent conditions can not be known in time to influence the event processing efficiency.
Disclosure of Invention
Aiming at the situation and overcoming the defects of the prior art, the invention provides a gas early warning monitoring device for coal mine safety production and a using method thereof, wherein the gas early warning monitoring device can efficiently protect a mine tunnel when the mine tunnel explodes or collapses; the folding protection assembly is unfolded to prevent impact of falling rocks after entering a roadway by adopting a pre-action principle, the impact protection plate is utilized to disperse impact force and then uniformly transmit the impact force to the elastic damper and the transmission air bag when the falling rocks occur, and the high-efficiency buffering effect is realized by dispersing the impact force; the device has the advantages that the contradiction characteristic that the transmission air bag cannot be sustained due to the fact that the transmission air bag is easily burst due to increased pressure intensity when the transmission air bag receives extrusion impact is utilized, gas under high pressure of the transmission air bag is creatively led into the V-shaped transmission pipeline through the contradiction transfer principle, the V-shaped transmission pipeline is utilized to accelerate the air flow, the kinetic energy of the air flow is converted into the kinetic energy of the light blocking ball to be used for puncturing the bearing air bag I and the bearing air bag II, a large amount of gas is generated again through component mixing reaction in the bearing air bag I and the bearing air bag II to flush the blocked air inlet of the standby detector, and the defect that the transmission air bag is easily burst due to.
The technical scheme adopted by the invention is as follows: the invention relates to a gas early warning and monitoring device for coal mine safety production, which comprises an early warning box body, a protection mechanism, a gas detector and a standby detector, wherein one side of the early warning box body is provided with a mounting groove, the gas detector is arranged in the mounting groove, the standby detector is arranged in the early warning box body, the protection mechanism is arranged on the early warning box body, the protection mechanism comprises a connecting support, a mounting plate, a telescopic rod, a folding protection component and a power transmission component, the connecting support is symmetrically arranged on the top wall of the early warning box body, the mounting plate is provided with two groups, the middle part of the mounting plate is respectively and rotatably arranged on the connecting support, the telescopic rod is hinged on the side wall of the early warning box body and is hinged on the mounting plate, the folding protection component is provided with two groups and is respectively arranged on the two groups of mounting plates, the power transmission component is, detect the gas content in the gas pipeline to the air through gas detection appearance, after explosion impact or falling rock splash damaged gas detection appearance in the tunnel, utilize protection machanism to start reserve detector and continue work.
As a further optimization of the scheme, the folding protection component of the scheme comprises a fixed frame, a fixed disc, a fan-shaped protection plate group, a movable support frame and a movable connecting seat, wherein the fixed disc is arranged on a mounting plate, the fixed frame is arranged on one side of the edge of the fixed disc, the movable support frame is provided with a plurality of groups, the fixed disc is provided with an annular chute, one end of each group of movable support frames is arranged in the annular chute in a sliding way, the free ends of the movable support frame and the fixed frame are provided with the fixed connecting seat, when in protection, the movable support frames are arranged in the annular chute in a sliding way and are uniformly spaced, so as to form an annular shape, preferably, the two groups of movable support frames which are far from the outermost sides of the two sides of the fixed frame are respectively provided with a clamping groove and a clamping column, the clamping columns on the, the fixed connecting seats are rotatably provided with two groups of first connecting shafts, each group of first connecting shafts is provided with an arc-shaped supporting frame, the movable connecting seats are provided with a plurality of groups, each group of movable connecting seats is positioned between the two groups of fixed connecting seats, the movable connecting seats are rotatably provided with a second connecting shaft, the second connecting shafts are respectively arranged on the free ends of the arc-shaped supporting frames between the two adjacent groups of fixed connecting seats, the two ends of each arc-shaped supporting frame are respectively provided with a connecting gear, the first connecting shafts and the two connecting shafts are respectively positioned at the centers of the connecting gears at the two ends of the arc-shaped supporting frames, the connecting gears on the two adjacent groups of arc-shaped supporting frames are meshed, the arc-shaped supporting frames are provided with fixing pieces, the fan-shaped protective plates are arranged on the fixing pieces, the plurality of groups of, the protection effect is improved; the motor I is arranged in the fixing frame and connected with the group of connecting shafts I.
Fan-shaped protective plate group is by the layer board in this scheme, telescopic connecting piece, elastic damper, the transmission gasbag, the bottom plate, the insulating layer, fire-retardant layer and impact protection plate are constituteed, the layer board is located on the mounting, telescopic connecting piece locates on the layer board, the bottom plate is located on telescopic connecting piece, elastic damper locates between layer board and the bottom plate, the insulating layer is located on the bottom plate, fire-retardant layer is located on the insulating layer, impact protection plate cover is located on fire-retardant layer, the transmission gasbag is located the space between layer board and the bottom plate, power transmission subassembly and transmission gasbag intercommunication.
In the scheme, the power transmission assembly comprises a V-shaped transmission pipeline, a first bearing air bag, a second bearing air bag, a connecting funnel piece, a light blocking ball and a connecting spring, a power cavity is arranged in the early warning box body, the V-shaped transmission pipeline is provided with two groups of small ends extending into the power cavity, the transmission air bags in the two groups of fan-shaped protective plate groups are respectively connected with the large ends of the two groups of V-shaped transmission pipelines through connecting hoses, a first check valve is arranged in each group of V-shaped transmission pipelines, the connecting funnel piece is provided with two groups of small end outlets respectively arranged at the two groups of V-shaped transmission pipelines, the light blocking ball is positioned in the connecting funnel piece and blocks the small end outlets of the V-shaped transmission pipelines, the connecting spring is arranged in the V-shaped transmission pipeline and arranged on the light blocking ball, sharp spines are arranged in the light blocking ball, the first bearing air bag and the second bearing air bag are arranged in the power cavity and, the first bearing air bag and the second bearing air bag are respectively filled with sodium bicarbonate and citric acid, an air inlet is formed in one side of the early warning box body, a light plug is plugged on the air inlet, a pipeline I is communicated between the air inlet and the power cavity, an air distributing port is formed in the pipeline I and is communicated with the standby detector, when the fan-shaped protective plate group is impacted by falling rocks, air in the extrusion transmission air bag enters the V-shaped transmission pipeline, the flow velocity impact force is increased along with the reduction of the diameter of the V-shaped transmission pipeline, the light blocking ball is impacted, sharp pricks on the light blocking ball are used for pricking the first bearing air bag and the second bearing air bag, the sodium bicarbonate and the citric acid in the first bearing air bag and the second bearing air bag are subjected to sprinkling and mixing to chemical reaction to generate carbon dioxide, the increased air pressure is used for punching the light plug through the air.
According to the scheme, the air distribution port is provided with the impact protector, the impact protector comprises a protective blocking plate and a pushing spring, the protective blocking plate is hinged to the inner wall of the first pipeline and covers the air distribution port, the pushing spring is arranged on the wall of the first pipeline and is arranged on the protective blocking plate, the hinged end of the protective blocking plate and the hinged end of the first pipeline are close to the power cavity, carbon dioxide in the power cavity is impacted and attached to the air distribution port by air flow when impacting a light plug through the first pipeline, damage to the standby detector caused by the air flow is avoided, and preferably, one side, close to the power cavity, of the first pipeline is provided with the check valve II.
As a further preferred aspect of the present invention, a dustproof assembly is disposed at an inlet of the installation slot, the dustproof assembly includes a fixed rail, a second motor, a driving gear, a first separation dustproof plate, a second separation dustproof plate, a third separation dustproof plate, a first transmission rod, a second transmission rod, a third transmission rod, a fourth transmission rod, a first slider and a second slider, the fixed rail is disposed at the inlet of the installation slot, the first slider and the second slider are slidably disposed on the fixed rail, the first slider is rotatably disposed with the first transmission gear and the second transmission gear, the first transmission gear is engaged with the second transmission gear, the second slider is rotatably disposed with the third transmission gear, the second transmission rod is disposed on the first transmission gear, the third transmission rod is disposed on the third transmission gear, the third transmission rod is hinged with the fourth transmission rod, the fourth transmission gear is rotatably disposed at the inlet of the installation slot, the fourth transmission gear, the gas detector is characterized in that the driving gear is rotatably arranged at an inlet of the mounting groove and is positioned right above the transmission gear IV, the driving gear is meshed with the transmission gear IV, the driving gear, the transmission gear I and the transmission gear III are respectively provided with extension plates, the first separation dust guard, the second separation dust guard and the third separation dust guard are respectively arranged on the three extension plates, the first separation dust guard, the second separation dust guard and the third separation dust guard are meshed plates, the second motor is arranged in the early warning box and is connected with the driving gear, the gas detector is placed in the mounting groove during normal use, dust is prevented by unfolding of the dust-proof assembly, and when the gas detector needs to be taken out, the gas detector can be.
Be equipped with the signal transmission controller in the early warning box in this scheme, this signal transmission controller is connected with gas detection appearance and reserve detector, utilizes the signal transmission controller to collect the detection data of gas detection appearance and reserve detector and carries out the transmission of information.
The invention also discloses a use method of the gas early warning monitoring device for coal mine safety production, which comprises the following steps:
firstly, when a gas early warning monitoring device enters a roadway, a motor is started to drive a group of connecting shafts to rotate, then an arc-shaped supporting frame is driven by a connecting gear to swing, the moving supporting frames slide in an annular sliding groove and are arranged at intervals mutually and uniformly to form an annular shape, and at the moment, a fan-shaped protective plate group forms disc-shaped protection under the common support of a fixed frame and the moving supporting frame; the protection angle of the folding protection component is adjusted through the telescopic rod;
secondly, starting a working state after the gas detector in the early warning box body enters a roadway, and when explosion impact force or rockfall fragments break through the first separation dust guard, the second separation dust guard and the separation dust guard to damage the gas detector, wherein the rockfall impact force simultaneously acts on the fan-shaped protective plate group;
when the fan-shaped protective plate group is impacted by falling rocks, extruding air in the transmission air bag into the V-shaped transmission pipeline, increasing the flow velocity impact force along with the reduction of the diameter of the V-shaped transmission pipeline, impacting the light blocking ball to enable a tip on the light blocking ball to puncture the bearing air bag I and the bearing air bag II, enabling sodium bicarbonate and citric acid in the bearing air bag I and the bearing air bag II to generate a chemical reaction after being scattered and mixed, generating carbon dioxide, and rapidly increasing air pressure to flush the light plug through the air inlet, so that the starting of the standby detector is realized, and the standby detector continues to detect;
and step four, the gas detector and the standby detector transmit the detection data to the signal transmission controller, and the data information is transmitted to the outside through the signal transmission controller.
The invention with the structure has the following beneficial effects: according to the scheme, after the gas detector is damaged due to impact, the action of starting the standby detector is realized only by adopting a simple mechanical mechanism based on a mechanical energy replacement principle when the rockfall impacts, the continuous and uninterrupted detection of the gas detection is completed, so that a manager can continuously know the environment condition in a roadway, and correct and rapid measures are taken for processing; the folding protection assembly is unfolded to prevent impact of falling rocks after entering a roadway by adopting a pre-action principle, the impact protection plate is utilized to disperse impact force and then uniformly transmit the impact force to the elastic damper and the transmission air bag when the falling rocks occur, and the high-efficiency buffering effect is realized by dispersing the impact force; according to the contradiction transfer principle, gas under high pressure of the transmission air bag is introduced into the V-shaped transmission pipeline, the acceleration of the gas flow is realized by using the V-shaped transmission pipeline, the energy of the gas flow is transferred to the light blocking ball to puncture the first bearing air bag and the second bearing air bag, and a large amount of gas is generated again by utilizing the component mixing reaction in the first bearing air bag and the second bearing air bag to flush the blocked gas inlet of the standby detector, so that the defect that the transmission air bag is over-pressure and easy to explode is perfectly converted into the advantage that the standby detector can be started.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of a gas early warning and monitoring device for coal mine safety production according to the present invention
FIG. 2 is a top view of a folding protection component of the gas early warning and monitoring device for coal mine safety production according to the present invention;
FIG. 3 is a schematic structural diagram of a fan-shaped guard plate group of the gas early warning and monitoring device for coal mine safety production according to the present invention;
FIG. 4 is a schematic structural diagram of a folding protection component of the gas early warning and monitoring device for coal mine safety production, according to the present invention;
FIG. 5 is an enlarged view of part A of the gas early warning and monitoring device for coal mine safety production in FIG. 1;
FIG. 6 is an enlarged view of part B of the gas early warning and monitoring device for coal mine safety production in FIG. 1;
fig. 7 is an enlarged view of a portion C in fig. 1 of a gas early warning and monitoring device for coal mine safety production according to the present invention.
Wherein, 1, an early warning box body, 2, a protection mechanism, 3, a gas detector, 4, a standby detector, 5, a connecting support, 6, a mounting plate, 7, a telescopic rod, 8, a folding protection component, 9, a power transmission component, 10, a mounting groove, 11, a fixing frame, 12, a fixing disc, 13, a fan-shaped protection plate group, 14, a movable supporting frame, 15, a movable connecting seat, 16, a fixed connecting seat, 17, a first connecting shaft, 18, an arc-shaped supporting frame, 19, a supporting column, 20, a connecting gear, 21, a fixing piece, 22, a central protection plate, 23, a supporting plate, 24, a telescopic connecting piece, 25, an elastic damper, 26, a transmission air bag, 27, a bottom plate, 28, a heat insulation layer, 29, a flame-retardant layer, 30, an impact protection plate, 31, a V-shaped transmission pipeline, 32, a first bearing air bag, 33, a second bearing air bag, 36. the device comprises a connecting spring 37, a power cavity 38, a spike 39, a light plug 40, a first pipeline 41, a protective blocking plate 42, a pushing spring 43, a fixed rail 44, a fourth transmission gear 45, a driving gear 46, a first separation dust guard 47, a second separation dust guard 48, a third separation dust guard 49, a first transmission rod 50, a second transmission rod 51, a third transmission rod 52, a fourth transmission rod 53, a first sliding block 54, a second sliding block 55, a first transmission gear 56, a second transmission gear 57 and a third transmission gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in figure 1, the gas early warning and monitoring device for coal mine safety production comprises an early warning box body 1, a protection mechanism 2, a gas detector 3 and a standby detector 4, wherein one side of the early warning box body 1 is provided with a mounting groove 10, the gas detector 3 is arranged in the mounting groove 10, the standby detector 4 is arranged in the early warning box body 1, the protection mechanism 2 is arranged on the early warning box body 1, the protection mechanism 2 comprises a connecting support 5, a mounting plate 6, a telescopic rod 7, a folding protection component 8 and a power transmission component 9, wherein the connecting support 5 is symmetrically arranged on the top wall of the early warning box body 1, the mounting plate 6 is provided with two groups, the middle part of the mounting plate is respectively and rotatably arranged on the connecting support 5, the telescopic rod 7 is hinged on the side wall of the early warning box body 1 and is hinged on the mounting plate 6, the folding protection component 8 is provided with two groups and is respectively arranged on the two groups of mounting plates 6, and the power transmission component 9 is arranged in the early warning box body 1 and is connected with the folding protection component; a signal transmission controller (not shown in the figure) is arranged in the early warning box body 1 and is connected with the gas detector 3 and the standby detector 4.
As shown in fig. 2 and 3, the folding protection assembly 8 includes a fixed frame 11, a fixed disc 12, a plurality of fan-shaped protection plate groups 13, a movable support frame 14 and a movable connection seat 15, the fixed disc 12 is disposed on the mounting plate 6, the fixed frame 11 is disposed on one side of the edge of the fixed disc 12, the movable support frame 14 is provided with a plurality of groups, an annular chute (not shown) is disposed on the fixed disc 12, one end of each group of movable support frame 14 is slidably disposed in the annular chute, the plurality of groups of fan-shaped protection plate groups 13 are unfolded to form a circular ring, free ends of the movable support frame 14 and the fixed frame 11 are respectively provided with a fixed connection seat 16, two groups of connection shafts one 17 are rotatably disposed on the fixed connection seat 16, each group of connection shafts one 17 is provided with an arc-shaped support frame 18, the movable connection seats 15, the second connecting shaft is arranged at the free end of the arc-shaped supporting frame 18 between two adjacent groups of the fixed connecting seats 16, the two ends of the arc-shaped supporting frame 18 are respectively provided with a connecting gear 20, the first connecting shaft 17 and the second connecting shaft are respectively positioned at the centers of the connecting gears 20 at the two ends of the arc-shaped supporting frame 18, the connecting gears 20 on the two adjacent groups of the arc-shaped supporting frames 18 are meshed with each other, the arc-shaped supporting frame 18 is provided with a fixing piece 21, the fan-shaped protective plate group 13 is arranged on the fixing piece 21, the fixed disc 12 is; a first motor (not shown in the figure) is arranged in the fixing frame 11 and is connected with a group of first connecting shafts 17; two groups of movable support frames 14 which are far from the outermost sides of the two sides of the fixed frame 11 are respectively provided with a clamping groove and a clamping column, and the clamping columns are clamped in the clamping grooves.
As shown in fig. 4, the fan-shaped protection plate group 13 includes a supporting plate 23, a telescopic connecting member 24, an elastic damper 25, a transmission airbag 26, a bottom plate 27, a heat insulation layer 28, a flame retardant layer 29 and an impact protection plate 30, the supporting plate 23 is disposed on the fixing member 21, the telescopic connecting member 24 is disposed on the supporting plate 23, the bottom plate 27 is disposed on the telescopic connecting member 24, the elastic damper 25 is disposed between the supporting plate 23 and the bottom plate 27, the heat insulation layer 28 is disposed on the bottom plate 27, the flame retardant layer 29 is disposed on the heat insulation layer 28, the impact protection plate 30 is covered on the flame retardant layer 29, the transmission airbag 26 is located in a gap between the supporting plate 23 and the bottom plate 27.
As shown in fig. 5, a dustproof assembly is disposed at an inlet of the installation slot 10, the dustproof assembly includes a fixed rail 43, a second motor (not shown), a driving gear 45, a first separated dustproof plate 46, a second separated dustproof plate 47, a third separated dustproof plate 48, a first transmission rod 49, a second transmission rod 50, a third transmission rod 51, a fourth transmission rod 52, a first slider 53 and a second slider 54, the fixed rail 43 is disposed at the inlet of the installation slot 10, the first slider 53 and the second slider 54 are slidably disposed on the fixed rail 43, the first slider 53 is rotatably disposed with a first transmission gear 55 and a second transmission gear 56, the first transmission gear 55 is engaged with the second transmission gear 56, the second slider 54 is rotatably disposed with the third transmission gear 57, the second transmission rod 50 is disposed on the first transmission gear 55, the third transmission rod 51 is disposed on the second transmission gear 56, the fourth transmission rod 52 is disposed on the third transmission gear 57, the third transmission rod 51 is, the fourth transmission gear 44 is located above the fixed rail 43, the first transmission rod 49 is arranged on the fourth transmission gear 44 and hinged to the second transmission rod 50, the driving gear 45 is rotatably arranged at an inlet of the installation groove 10 and located right above the fourth transmission gear 44, the driving gear 45 is meshed with the fourth transmission gear 44, extension plates are arranged on the driving gear 45, the first transmission gear 55 and the third transmission gear 57, the first separation dust guard 46, the second separation dust guard 47 and the third separation dust guard 48 are respectively arranged on the three sets of extension plates, the first separation dust guard 46, the second separation dust guard 47 and the third separation dust guard 48 are screen plates, and the second motor is arranged in the early warning box body 1 and connected with the driving gear 45.
As shown in fig. 1, 6 and 7, the power transmission assembly 9 includes a V-shaped transmission pipeline 31, a first bearing air bag 32, a second bearing air bag 33, a connecting funnel member 34, a light blocking ball 35 and a connecting spring 36, a power cavity 37 is provided in the early warning box 1, the V-shaped transmission pipeline 31 has two sets of small ends extending into the power cavity 37, the transmission air bags 26 in the two sets of fan-shaped protection plate groups 13 are connected with the enlarged ends of the two sets of V-shaped transmission pipelines 31 through connecting hoses respectively, a first check valve is provided in each set of V-shaped transmission pipelines 31, the connecting funnel member 34 has two sets of small end outlets respectively provided in the two sets of V-shaped transmission pipelines 31, the light blocking ball 35 is located in the connecting funnel member 34 and blocks the small end outlet of the V-shaped transmission pipeline 31, the connecting spring 36 is provided in the V-shaped transmission pipeline 31 and is provided on the light blocking ball 35, the light blocking ball 35 is provided with a spike 38, the first bearing air bag 32 and the second bearing air bag 33 are arranged in the power cavity and are respectively close to the two groups of light blocking balls 35, the first bearing air bag 32 and the second bearing air bag 33 are respectively filled with sodium bicarbonate and citric acid, one side of the early warning box body 1 is provided with an air inlet, a light plug 39 is blocked on the air inlet, a first pipeline 40 is communicated between the air inlet and the power cavity 37, the first pipeline 40 is provided with an air distribution port, and the air distribution port is communicated with the standby detector 4; an impact protector is arranged at the gas distribution port and comprises a protective blocking plate 41 and a pushing spring 42, the protective blocking plate 41 is hinged to the inner wall of the first pipeline 40 and covers the gas distribution port, the pushing spring 42 is arranged on the wall of the first pipeline 40 and is arranged on the protective blocking plate 41, and the hinged end of the protective blocking plate 41 and the hinged end of the first pipeline 40 is close to the power cavity 37. The invention discloses a using method of a gas early warning monitoring device for coal mine safety production, which comprises the following steps:
firstly, when a gas early warning monitoring device enters a roadway, a first motor is started to drive a group of first connecting shafts 17 to rotate, and then a connecting gear 20 drives an arc-shaped support frame 18 to swing so as to enable movable support frames 14 to slide in an annular sliding groove and be arranged at intervals uniformly to form an annular shape, and at the moment, a fan-shaped protection plate group 13 forms disc-shaped protection under the common support of a fixed frame 11 and the movable support frames 14; the protection angle of the folding protection component 8 is adjusted through the telescopic rod 7;
step two, starting a working state after the gas detector 3 in the early warning box body 1 enters a roadway, and when explosion impact force or rockfall debris breaks through the first separation dust guard 46, the second separation dust guard 47 and the separation dust guard to damage the gas detector 3, wherein the rockfall impact force simultaneously acts on the fan-shaped protective plate group 13;
thirdly, when the fan-shaped protection plate group 13 is impacted by falling rocks, the air in the extrusion transmission air bag 26 enters the V-shaped transmission pipeline 31 and increases the flow velocity impact force along with the reduction of the diameter of the V-shaped transmission pipeline 31, the light blocking ball 35 is impacted to ensure that the sharp 38 on the light blocking ball 35 punctures the first bearing air bag 32 and the second bearing air bag 33, the sodium bicarbonate and the citric acid in the first bearing air bag 32 and the second bearing air bag 33 are scattered and mixed to generate chemical reaction to generate carbon dioxide, the light plug 39 is flushed through the air inlet by the sharply increased air pressure, the standby detector 4 is started at the moment, and the standby detector 4 continues to detect;
and step four, the gas detector 3 and the standby detector 4 transmit the detection data to the signal transmission controller, and transmit the data information to the outside through the signal transmission controller.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A gas early warning monitoring device for coal mine safety production is characterized by comprising an early warning box body, a protection mechanism, a gas detector and a standby detector, one side of the early warning box body is provided with an installation groove, the gas detector is arranged in the installation groove, the standby detector is arranged in the early warning box body, the protection mechanism is arranged on the early warning box body and comprises a connecting support, a mounting plate, a telescopic rod, a folding protection component and a power transmission component, the connecting supports are symmetrically arranged on the top wall of the early warning box body, the mounting plate is provided with two groups, the middle parts of the mounting plates are respectively and rotatably arranged on the connecting supports, the telescopic rods are hinged on the side wall of the early warning box body and are hinged on the mounting plates, the folding protection components are provided with two groups and are respectively arranged on the two groups of mounting plates, the power transmission assembly is arranged in the early warning box body and connected with the folding protection assembly and the standby detector.
2. The coal mine safety production gas early warning and monitoring device as claimed in claim 1, wherein the folding protection component comprises a fixed frame, a fixed disc, a fan-shaped protection plate group, a movable support frame and a movable connecting seat, the fixed disc is arranged on the mounting plate, the fixed frame is arranged on one side of the edge of the fixed disc, the movable support frame is provided with a plurality of groups, the fixed disc is provided with an annular chute, one end of each group of movable support frame is slidably arranged in the annular chute, the movable support frame and the free end of the fixed frame are provided with a fixed connecting seat, the fixed connecting seat is rotatably provided with two groups of first connecting shafts, each group of first connecting shafts is provided with an arc-shaped support frame, the movable connecting seat is provided with a plurality of groups, each group of movable connecting seats is positioned between the two groups, the connecting shaft II is arranged at the free end of the arc-shaped support frame between the two adjacent fixed connecting seats, connecting gears are arranged at the two ends of the arc-shaped support frame, the connecting shaft I and the connecting shaft II are respectively located at the centers of the connecting gears at the two ends of the arc-shaped support frame, the connecting gears on the two adjacent arc-shaped support frames are meshed with each other, a fixing piece is arranged on the arc-shaped support frame, a fan-shaped protection plate group is arranged on the fixing piece, a supporting column is arranged on the fixing plate, and a central protection plate.
3. The gas early warning and monitoring device for coal mine safety production according to claim 2, wherein the fan-shaped protection plate group comprises a supporting plate, a telescopic connecting piece, an elastic damper, a transmission air bag, a bottom plate, a heat insulation layer, a flame retardant layer and an impact protection plate, the supporting plate is arranged on the fixing piece, the telescopic connecting piece is arranged on the supporting plate, the bottom plate is arranged on the telescopic connecting piece, the elastic damper is arranged between the supporting plate and the bottom plate, the heat insulation layer is arranged on the bottom plate, the flame retardant layer is arranged on the heat insulation layer, the impact protection plate is arranged on the flame retardant layer in a covering mode, the transmission air bag is located in a gap between the supporting plate and the bottom plate, and the power transmission assembly is communicated.
4. The coal mine safety production gas early warning and monitoring device as claimed in claim 3, wherein the power transmission assembly comprises a V-shaped transmission pipeline, a first bearing air bag, a second bearing air bag, a connecting funnel component, a light blocking ball and a connecting spring, the early warning box body is provided with a power cavity, the V-shaped transmission pipeline is provided with two groups of small ends extending into the power cavity, the transmission air bags in the two groups of fan-shaped protection plate groups are connected with the two groups of expanding ends of the V-shaped transmission pipeline through connecting hoses respectively, the two groups of V-shaped transmission pipelines are provided with the first check valve respectively, the connecting funnel component is provided with two groups of small end outlets respectively arranged on the two groups of V-shaped transmission pipelines, the light blocking ball is positioned in the connecting funnel component and blocks the small end outlets of the V-shaped transmission pipeline, the connecting spring is arranged in the V-shaped transmission pipeline and is arranged on the light blocking ball, the light blocking ball is provided with a spine, the first bearing air bag and the second bearing air bag are arranged in the power cavity and are respectively close to two groups of light blocking balls, the first bearing air bag and the second bearing air bag are respectively filled with sodium bicarbonate and citric acid, one side of the early warning box body is provided with an air inlet, a light plug is blocked on the air inlet, a first pipeline is communicated with the power cavity, the first pipeline is provided with an air distribution port, and the air distribution port is communicated with a standby detector.
5. The gas early warning and monitoring device for coal mine safety production according to claim 4, wherein an impact protector is arranged at the gas distribution port, the impact protector comprises a protective plugging plate and a pushing spring, the protective plugging plate is hinged to an inner wall of the pipeline and covers the gas distribution port, the pushing spring is arranged on a wall of the pipeline and is arranged on the protective plugging plate, and the protective plugging plate is close to the power cavity with a hinged end of the pipeline I.
6. The coal mine safety production gas early warning and monitoring device as recited in claim 1, wherein a dust-proof assembly is arranged at an inlet of the installation groove, the dust-proof assembly comprises a fixed rail, a second motor, a driving gear, a first separation dust-proof plate, a second separation dust-proof plate, a third separation dust-proof plate, a first transmission rod, a second transmission rod, a third transmission rod, a fourth transmission rod, a first slider and a second slider, the fixed rail is arranged at the inlet of the installation groove, the first slider and the second slider are slidably arranged on the fixed rail, the first slider is rotatably provided with a first transmission gear and a second transmission gear, the first transmission gear is meshed with the second transmission gear, the second slider is rotatably provided with a third transmission gear, the second transmission rod is arranged on the first transmission gear, the third transmission rod is arranged on the third transmission gear, and the third transmission rod is hinged with the fourth transmission, the utility model discloses a warning box, including mounting groove import department, drive gear, transmission gear, driving gear, motor two, the mounting groove import department rotates and is equipped with drive gear four, drive gear four is located the top of fixed rail, drive gear is located on four and is articulated with drive rod two, the driving gear rotates and locates mounting groove import department and is located drive gear four directly over, driving gear and four meshes with drive gear, all be equipped with the extension board on driving gear, drive gear one, drive gear three, separation dust guard one, separation dust guard two, separation dust guard three are located three respectively on three extension boards of group, motor two are located in the warning box and are.
7. The gas early warning and monitoring device for coal mine safety production as claimed in claim 2, wherein a first motor is arranged in the fixing frame, and the first motor is connected with a group of first connecting shafts; and the two groups of movable support frames which are far away from the outermost sides of the two sides of the fixed frame are respectively provided with a clamping groove and a clamping column, and the clamping columns are clamped in the clamping grooves.
8. The gas early warning and monitoring device for coal mine safety production according to claim 1, wherein a signal transmission controller is arranged in the early warning box body, and the signal transmission controller is connected with a gas detector and a standby detector.
9. The coal mine safety production gas early warning and monitoring device as claimed in claim 3, wherein the plurality of groups of fan-shaped protection plate groups are unfolded to form a circular ring.
10. A use method of a gas early warning monitoring device for coal mine safety production is characterized by comprising the following steps:
firstly, when a gas early warning monitoring device enters a roadway, a motor is started to drive a group of connecting shafts to rotate, then a connecting gear drives an arc-shaped supporting frame to swing, the moving supporting frames slide in an annular sliding groove and are arranged at intervals mutually and uniformly to form an annular shape, and at the moment, a fan-shaped protective plate group forms disc-shaped protection under the common support of a fixed frame and the moving supporting frame; the protection angle of the folding protection component is adjusted through the telescopic rod;
secondly, starting a working state after the gas detector in the early warning box body enters a roadway, and when explosion impact force or rockfall fragments break through the first separation dust guard, the second separation dust guard and the separation dust guard to damage the gas detector, wherein the rockfall impact force simultaneously acts on the fan-shaped protective plate group;
when the fan-shaped protective plate group is impacted by falling rocks, extruding air in the transmission air bag into the V-shaped transmission pipeline, increasing the flow velocity impact force along with the reduction of the diameter of the V-shaped transmission pipeline, impacting the light blocking ball to enable a tip on the light blocking ball to puncture the bearing air bag I and the bearing air bag II, enabling sodium bicarbonate and citric acid in the bearing air bag I and the bearing air bag II to generate a chemical reaction after being scattered and mixed, generating carbon dioxide, and rapidly increasing air pressure to flush the light plug through the air inlet, so that the starting of the standby detector is realized, and the standby detector continues to detect;
and step four, the gas detector and the standby detector transmit the detection data to the signal transmission controller, and the data information is transmitted to the outside through the signal transmission controller.
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Denomination of invention: A gas warning and monitoring device for coal mine safety production and its usage method Effective date of registration: 20230524 Granted publication date: 20220429 Pledgee: Niuzhuang Branch of Dongying Lai Shang Village Bank Co.,Ltd. Pledgor: Dongying YueKai Petroleum Equipment Co.,Ltd. Registration number: Y2023980041526 |
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Granted publication date: 20220429 Pledgee: Niuzhuang Branch of Dongying Lai Shang Village Bank Co.,Ltd. Pledgor: Dongying YueKai Petroleum Equipment Co.,Ltd. Registration number: Y2023980041526 |