CN110593956A - Safety device capable of early warning collapse of mine tunnel - Google Patents
Safety device capable of early warning collapse of mine tunnel Download PDFInfo
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- CN110593956A CN110593956A CN201910928474.5A CN201910928474A CN110593956A CN 110593956 A CN110593956 A CN 110593956A CN 201910928474 A CN201910928474 A CN 201910928474A CN 110593956 A CN110593956 A CN 110593956A
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- 239000011435 rock Substances 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims description 125
- 230000007246 mechanism Effects 0.000 claims description 75
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000002146 bilateral effect Effects 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
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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
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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
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- 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
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B31/00—Predictive alarm systems characterised by extrapolation or other computation using updated historic data
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- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The safety device capable of early warning the collapse of the mine cavern, disclosed by the invention, comprises a protection plate, wherein the protection plate is fixedly arranged in a rock stratum, five sensors are arranged in the rock stratum in an annular array and can monitor the stress between the rock strata.
Description
Technical Field
The invention relates to the field of mine cave collapse early warning, in particular to a safety device capable of early warning mine cave collapse.
Background
The collapse of the mine cave belongs to a serious safety production accident, the cause of the collapse is that the surrounding rock of the mine cave collapses due to the sudden release of the stress between rock stratums, the collapse accident of the mine cave has great harmfulness because of the sudden release and the uncontrollable property, when the collapse happens, the construction environment structure and the construction equipment are seriously damaged, so great economic loss is caused, and when constructors are in the mine cave, great harm is caused to constructors, so that the collapse accident occurrence probability is reduced, and the timely early warning of the collapse accident becomes a problem generally concerned by the industry, the existing collapse early warning technology of the mine cave is not mature, a reliable collapse early warning device of the mine cave is not available on the market, the collapse early warning of the mine cave mainly depends on experienced miners, the real-time pre-judgment is made according to the environmental change of the construction site, and the mode has great inaccuracy, therefore, a safety device capable of early warning the collapse of the mine cave in real time needs to be developed, so that miners can be helped to find and evacuate quickly when the collapse of the mine cave occurs.
Disclosure of Invention
The technical problem is as follows: the existing mine cave collapse early warning technology is not mature, a reliable mine cave collapse early warning device is not available in the market, mine cave collapse early warning mainly depends on experienced miners, pre-judgment is made in real time according to the environmental change of a construction site, and the mode has great inaccuracy.
In order to solve the problems, the embodiment designs a safety device capable of early warning the collapse of the mine cave, and the safety device capable of early warning the collapse of the mine cave comprises a protection plate, wherein the protection plate is fixedly arranged in a rock stratum, five sensors are arranged in the rock stratum in an annular array and can monitor the stress between the rock strata, one end, close to the protection plate, of each sensor is electrically connected with a first electric wire, a power cavity is arranged in the protection plate, a signal transmitter is fixedly arranged in the power cavity and electrically connected with the first electric wire, an operation area is arranged in the rock stratum, a track is arranged on the lower wall of the operation area, a slidable escape mechanism is arranged on the track, and when the mine cave tends to collapse, the signal transmitter can transmit signals to the escape mechanism to start the escape mechanism, the escape mechanism can rapidly transport people in a hole away from a landslide area, the power cavity is internally provided with a power mechanism, the power mechanism is positioned at the lower end of the signal transmitter and can provide power for the device, the power mechanism is electrically connected with the signal transmitter through a second electric wire, the signal transmitter can control the power mechanism to run, the lower wall of the protection plate is fixedly provided with a protection cover, the upper end of the protection cover is provided with a rotatable fan, the upper end of the fan is connected with the power mechanism, the power mechanism can drive the fan, so that the fan can perform emergency ventilation on the operation area, the left side wall and the right side wall of the operation area are symmetrically provided with transmission cavities, the transmission cavities are internally provided with transmission mechanisms, the lower ends of the transmission cavities are communicated with baffle cavities, and the baffle cavities are internally provided with baffle, the baffle mechanism with drive mechanism connects, the protective housing has set firmly in the wall of operation district left and right sides, be equipped with the chamber of fleing in the protective housing, the baffle mechanism is steerable, the switching of protective housing, when the mine cave begins to collapse, baffle mechanism can in time control the protective housing is opened, and then makes things convenient for miner to take refuge temporarily and wait for the rescue.
The sensor comprises four sensor sliding blocks arranged in the sensor in an array mode, a sensor spring is fixedly arranged on each sensor sliding block, the sensor springs are connected through pressure sensors, the pressure sensors are fixedly arranged in the sensor, the rear ends of the sensors are electrically connected with the first electric wires, when rock stratum stress changes suddenly or rock stratum vibrates violently, the sensor sliding blocks can slide towards the inside of the sensor, the pressure sensors are extruded through the sensor springs, the resistance of the pressure sensors is changed, and then signals are transmitted to the signal transmitter through the first electric wires.
The power mechanism comprises a first motor fixedly arranged in the power cavity, the upper end of the first motor is electrically connected with the signal transmitter through a second electric wire, a first power shaft is arranged at the lower end of the first motor in a power connection mode, the lower end of the first power shaft is fixedly connected with the fan, when the first motor is started, the first motor can drive the first power shaft to drive the fan to rotate, and the fan can further perform emergency ventilation in the mine tunnel.
Advantageously, a central chain wheel is fixedly arranged on the first power shaft, a chain is connected to the central chain wheel, a first rotatable transmission shaft is symmetrically arranged in the power cavity in a left-right mode, a small chain wheel is fixedly arranged on the first transmission shaft, the small chain wheel is connected with the chain, the lower end of the first transmission shaft extends into the transmission cavity and is connected with the transmission mechanism, when the first power shaft rotates, the first power shaft can drive the first transmission shaft to rotate through the central chain wheel, the chain and the small chain wheel, and then the first transmission shaft can transmit power to the transmission mechanism.
Wherein the transmission mechanism comprises a first bevel gear which is positioned in the transmission cavity and fixedly arranged on the first transmission shaft, one end of the first bevel gear, which is far away from the operation area, is provided with a second bevel gear in a meshing connection manner, the axle center of the second bevel gear is fixedly provided with a second transmission shaft, the second transmission shaft is rotatably arranged in the transmission cavity, one end of the second transmission shaft, which is far away from the operation area, is fixedly provided with a third bevel gear, one end of the third bevel gear, which is far away from the operation area, is provided with a fourth bevel gear in a meshing connection manner, the axle center of the fourth bevel gear is fixedly provided with a third transmission shaft, the third transmission shaft is rotatably arranged in the transmission cavity, the third transmission shaft is fixedly provided with a first belt pulley, the first belt pulley is positioned at the front end of the fourth bevel gear, the first belt pulley is connected with, when the first transmission shaft rotates, the first transmission shaft drives the second transmission shaft to rotate through the first bevel gear and the second bevel gear, the second transmission shaft drives the third transmission shaft to rotate through the third bevel gear and the fourth bevel gear, and the third transmission shaft can transmit power to the baffle mechanism through the first belt pulley and the belt.
Beneficially, the left side wall and the right side wall of the operation area are internally communicated with an alarm cavity, the lower end of the first transmission shaft extends into the alarm cavity, the lower end of the first transmission shaft is fixedly provided with an alarm, when the first transmission shaft rotates, the first transmission shaft can drive the alarm, and then the alarm can give out an alarm sound to remind workers of rapidly withdrawing.
Wherein, the baffle mechanism comprises a fourth transmission shaft which is rotatably arranged in the baffle cavity, a second belt pulley is fixedly arranged on the fourth transmission shaft, the second belt pulley is connected with the lower end of the belt, a first synchronizing gear is fixedly arranged on the fourth transmission shaft, a second synchronizing gear is arranged at the end, close to the operation area, of the first synchronizing gear in a meshing connection manner, a connecting shaft is fixedly arranged at the axis of the second synchronizing gear, a third synchronizing gear is fixedly arranged at the end, close to the operation area, of the connecting shaft, a fourth synchronizing gear is arranged at the end, close to the operation area, of the third synchronizing gear in a meshing connection manner, a positioning shaft is fixedly arranged at the axis of the fourth synchronizing gear, the positioning shaft is rotatably arranged between the front inner wall and the rear inner wall of the baffle cavity, a large gear is fixedly arranged on the positioning shaft, the large gear is arranged at the rear end of the fourth synchronizing gear, and a baffle rack is arranged, the baffle rack lower extreme extends into the intracavity of fleing, works as the belt passes through the second belt pulley drives when the fourth transmission shaft rotates, the fourth transmission shaft passes through first synchronizing gear with the drive of second synchronizing gear the connecting axle rotates, the connecting axle passes through third synchronizing gear with the drive of fourth synchronizing gear the location axle rotates, the location axle passes through the gear wheel drives the baffle rack slides from top to bottom, and then steerable the switching of protective housing.
The escape mechanism comprises an escape car which is arranged on the track in a sliding mode, a control cavity is arranged in the escape car, a second motor is fixedly arranged in the control cavity, a third electric wire is arranged at the left end of the second motor in an electric connection mode, a signal receiver is arranged at the left end of the third electric wire in an electric connection mode, the signal receiver can be in signal connection with the signal transmitter, and then the signal transmitter can transmit signals to the signal receiver to activate the second motor.
Advantageously, a second power shaft is connected to the lower end of the second motor in a power manner, a first gear is fixedly arranged at the lower end of the second power shaft, a second gear is connected to the right end of the first gear in a meshing manner, a wheel shaft is fixedly arranged on the axle center of the second gear, the wheel shaft is rotatably and symmetrically arranged in the lower wall of the escape vehicle in a front-back manner, wheels are symmetrically arranged on the wheel shaft in a left-right manner, the wheels can roll on the track, when the second motor is started, the second motor drives the second power shaft to rotate, the second power shaft drives the wheel shaft to rotate through the first gear and the second gear, the wheel shaft drives the wheels to rotate, and then the escape vehicle can slide on the track, so that a worker can rapidly evacuate from a collapse area through the escape vehicle.
The invention has the beneficial effects that: the device has a simple structure, is convenient to maintain and use, can monitor the rock stratum of the mine hole in real time through the built-in sensing mechanism, can quickly start the corresponding warning device and the escape protection device when the rock stratum has a collapse risk, further can greatly ensure the safety of constructors, reduce casualties of personnel and help the personnel in the hole to more quickly evacuate from the dangerous area, and can enable rescue personnel to more quickly find trapped personnel for rescue through the built-in protection box.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic diagram of an overall structure of a safety device for early warning of cave collapse according to the present invention;
FIG. 2 is an enlarged schematic view of the "A" structure of FIG. 1;
FIG. 3 is an enlarged schematic view of the "B" structure of FIG. 1;
fig. 4 is an enlarged schematic view of the "C" structure of fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a safety device capable of early warning mine cave collapse, which is mainly applied to early warning mine cave collapse, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to a safety device capable of early warning collapse of a mine cave, which comprises a protection plate 11, wherein the protection plate 11 is fixedly arranged in a rock stratum 12, five sensors 27 are arranged in the rock stratum 12 in an annular array, the sensors 27 can monitor stress among the rock stratum 12, one end, close to the protection plate 11, of each sensor 27 is electrically connected with a first electric wire 13, a power cavity 200 is arranged in the protection plate 11, a signal emitter 14 is fixedly arranged in the power cavity 200, the signal emitter 14 is electrically connected with the first electric wires 13, an operation area 100 is arranged in the rock stratum 12, a rail 72 is arranged on the lower wall of the operation area 100, a slidable escape mechanism 601 is arranged on the rail 72, and when the mine cave tends to collapse, the signal emitter 14 can emit signals to the escape mechanism 601 to start the escape mechanism 601, the escape mechanism 601 can rapidly transport people in a cave away from a landslide area, the power chamber 200 is internally provided with a power mechanism 201, the power mechanism 201 is positioned at the lower end of the signal emitter 14, the power mechanism 201 can provide power for the device, the power mechanism 201 is electrically connected with the signal emitter 14 through a second electric wire 15, the signal emitter 14 can control the power mechanism 201 to operate, the lower wall of the protection plate 11 is fixedly provided with a protection cover 75, the upper end of the protection cover 75 is provided with a rotatable fan 74, the upper end of the fan 74 is connected with the power mechanism 201, the power mechanism 201 can drive the fan 74, so that the fan 74 can perform emergency ventilation on the operation area 100, the transmission chambers 300 are symmetrically arranged in the left side wall and the right side wall of the operation area 100, the transmission mechanisms 301 are arranged in the transmission chambers 300, and the lower ends of the transmission chambers 300 are communicated with the, the utility model discloses a mine cave escape device, including baffle chamber 400, baffle mechanism 401, transmission device 301, operation area 100, baffle mechanism 401 is equipped with baffle mechanism 401 in the baffle chamber 400, baffle mechanism 401 with transmission device 301 connects, protection box 25 has set firmly in the wall of the left and right sides in operation area 100, be equipped with chamber 26 of fleing in the protection box 25, baffle mechanism 401 is steerable, the switching of protection box 25, when the mine cave begins to collapse, baffle mechanism 401 can in time control protection box 25 opens, and then makes things convenient for the miner to take shelter from temporarily and wait for the rescue.
According to an embodiment, the inductor 27 is described in detail below, the inductor 27 includes four inductor sliders 28 arranged in the inductor 27 in an array, an inductor spring 29 is fixedly arranged on the inductor slider 28, the inductor springs 29 are connected through the pressure sensor 31, the pressure sensor 31 is fixedly arranged in the inductor 27, the rear end of the inductor 27 is electrically connected to the first wire 13, when the stress of the rock formation 12 changes suddenly or the rock formation 12 vibrates violently, the inductor slider 28 slides towards the inside of the inductor 27, the pressure sensor 31 is pressed by the inductor spring 29, the resistance of the pressure sensor 31 changes, and a signal is transmitted to the signal transmitter 14 through the first wire 13.
According to an embodiment, the power mechanism 201 is described in detail below, where the power mechanism 201 includes a first motor 16 fixedly disposed in the power cavity 200, an upper end of the first motor 16 is electrically connected to the signal emitter 14 through the second wire 15, a lower end of the first motor 16 is connected to a first power shaft 73 in a power connection manner, a lower end of the first power shaft 73 is fixedly connected to the fan 74, when the first motor 16 is started, the first motor 16 may drive the first power shaft 73 to drive the fan 74 to rotate, and the fan 74 may further perform emergency ventilation in the mine cavity.
Advantageously, a central sprocket 19 is fixedly arranged on the first power shaft 73, a chain 76 is connected to the central sprocket 19, a rotatable first transmission shaft 41 is symmetrically arranged in the power cavity 200, a small sprocket 18 is fixedly arranged on the first transmission shaft 41, the small sprocket 18 is connected to the chain 76, the lower end of the first transmission shaft 41 extends into the transmission cavity 300 and is connected to the transmission mechanism 301, when the first power shaft 73 rotates, the first power shaft 73 can drive the first transmission shaft 41 to rotate through the central sprocket 19, the chain 76 and the small sprocket 18, and then the first transmission shaft 41 can transmit power to the transmission mechanism 301.
According to the embodiment, the transmission mechanism 301 is described in detail below, the transmission mechanism 301 includes a first bevel gear 42 located in the transmission cavity 300 and fixedly disposed on the first transmission shaft 41, an end of the first bevel gear 42 away from the operation area 100 is engaged with a second bevel gear 43, a second transmission shaft 44 is fixedly disposed on an axis of the second bevel gear 43, the second transmission shaft 44 is rotatably disposed in the transmission cavity 300, a third bevel gear 45 is fixedly disposed on an end of the second transmission shaft 44 away from the operation area 100, an end of the third bevel gear 45 away from the operation area 100 is engaged with a fourth bevel gear 46, a third transmission shaft 48 is fixedly disposed on an axis of the fourth bevel gear 46, the third transmission shaft 48 is rotatably disposed in the transmission cavity 300, a first pulley 47 is fixedly disposed on the third transmission shaft 48, and the first pulley 47 is located at a front end of the fourth bevel gear 46, the first belt pulley 47 is connected with a belt 49, the lower end of the belt 49 is connected with the baffle mechanism 401, when the first transmission shaft 41 rotates, the first transmission shaft 41 drives the second transmission shaft 44 to rotate through the first bevel gear 42 and the second bevel gear 43, the second transmission shaft 44 drives the third transmission shaft 48 to rotate through the third bevel gear 45 and the fourth bevel gear 46, and the third transmission shaft 48 can transmit power to the baffle mechanism 401 through the first belt pulley 47 and the belt 49.
Advantageously, the left and right side walls of the working area 100 are provided with alarm cavities 500, the lower end of the first transmission shaft 41 extends into the alarm cavities 500, the lower end of the first transmission shaft 41 is fixedly provided with an alarm 88, when the first transmission shaft 41 rotates, the first transmission shaft 41 can drive the alarm 88, and the alarm 88 can give an alarm sound to remind workers of rapid evacuation.
According to the embodiment, the baffle mechanism 401 is described in detail below, the baffle mechanism 401 includes a fourth transmission shaft 53 rotatably disposed in the baffle cavity 400, the fourth transmission shaft 53 is fixedly provided with a second belt pulley 52, the second belt pulley 52 is connected to the lower end of the belt 49, the fourth transmission shaft 53 is fixedly provided with a first synchronizing gear 51, one end of the first synchronizing gear 51 close to the operation area 100 is engaged and connected with a second synchronizing gear 54, the axis of the second synchronizing gear 54 is fixedly provided with a connecting shaft 55, one end of the connecting shaft 55 close to the operation area 100 is fixedly provided with a third synchronizing gear 56, one end of the third synchronizing gear 56 close to the operation area 100 is engaged and connected with a fourth synchronizing gear 57, the axis of the fourth synchronizing gear 57 is fixedly provided with a positioning shaft 61, the positioning shaft 61 is rotatably disposed between the front and rear inner walls of the baffle cavity 400, the positioning shaft 61 is provided with a gearwheel 58 fixedly, the gearwheel 58 is positioned at the rear end of the fourth synchronizing gear 57, the gearwheel 58 is close to the meshing connection of 100 ends of the operation area and is provided with a baffle rack 59, the lower end of the baffle rack 59 extends into the escape cavity 26, when the belt 49 passes through the second belt pulley 52 to drive the fourth transmission shaft 53 to rotate, the fourth transmission shaft 53 passes through the first synchronizing gear 51 and the second synchronizing gear 54 to drive the connecting shaft 55 to rotate, the connecting shaft 55 passes through the third synchronizing gear 56 and the fourth synchronizing gear 57 to drive the positioning shaft 61 to rotate, the positioning shaft 61 passes through the gearwheel 58 to drive the baffle rack 59 to slide up and down, and further to control the opening and closing of the protection box 25.
According to an embodiment, the escape mechanism 601 is described in detail below, the escape mechanism 601 includes an escape car 62 slidably disposed on the rail 72, a control cavity 600 is disposed in the escape car 62, a second motor 65 is fixedly disposed in the control cavity 600, a third electric wire 64 is electrically connected to a left end of the second motor 65, a signal receiver 63 is electrically connected to a left end of the third electric wire 64, the signal receiver 63 is in signal connection with the signal transmitter 14, and the signal transmitter 14 can activate the second motor 65 by transmitting a signal to the signal receiver 63.
Advantageously, a second power shaft 66 is connected to the lower end of the second motor 65, a first gear 67 is fixedly arranged at the lower end of the second power shaft 66, a second gear 68 is engaged and connected at the right end of the first gear 67, a wheel shaft 69 is fixedly arranged at the axle center of the second gear 68, the wheel shaft 69 can be rotated and is symmetrically arranged in the lower wall of the escape vehicle 62 in the front-back direction, wheels 71 are symmetrically arranged on the wheel shaft 69 in the left-right direction, the wheels 71 can roll on the track 72, when the second motor 65 is started, the second motor 65 drives the second power shaft 66 to rotate, the second power shaft 66 drives the wheel shaft 69 to rotate through the first gear 67 and the second gear 68, the wheel shaft 69 drives the wheel 71 to rotate, the escape car 62 can be slid on the rails 72 so that the worker can rapidly evacuate from the landslide area through the escape car 62.
The following detailed description of the steps of the safety device for early warning of cave collapse in mine with reference to fig. 1 to 4: in the initial state, the sensor slider 28 does not slide, the signal transmitter 14 is powered on, the first motor 16 is not started, the second motor 65 is not started, the whole device has no power source, the baffle rack 59 seals the protective box 25, the fan 74 does not rotate, the alarm 88 does not operate, when the stress of the rock formation 12 changes suddenly or the rock formation 12 vibrates violently, the sensor slider 28 slides towards the inside of the sensor 27, the pressure sensor 31 is pressed through the sensor spring 29, the resistance of the pressure sensor 31 is changed, a signal is transmitted to the signal transmitter 14 through the first electric wire 13, the signal transmitter 14 starts the first motor 16 through the second electric wire 15, and simultaneously sends a signal to the signal receiver 63, and the first motor 16 drives the first power shaft 73 to rotate, the first power shaft 73 drives the fan 74 to rotate, the fan 74 can further perform emergency ventilation in a mine hole, meanwhile, the first power shaft 73 drives the first transmission shaft 41 to rotate through the central chain wheel 19, the chain 76 and the small chain wheel 18, the first transmission shaft 41 drives the alarm 88, the alarm 88 can give an alarm sound to remind workers of rapid evacuation, simultaneously, the first transmission shaft 41 drives the second transmission shaft 44 to rotate through the first bevel gear 42 and the second bevel gear 43, the second transmission shaft 44 drives the third transmission shaft 48 to rotate through the third bevel gear 45 and the fourth bevel gear 46, the third transmission shaft 48 drives the fourth transmission shaft 53 to rotate through the first belt pulley 47, the belt 49 and the second belt pulley 52, and the fourth transmission shaft 53 drives the connecting shaft 55 to rotate through the first synchronizing gear 51 and the second synchronizing gear 54 The connecting shaft 55 drives the positioning shaft 61 to rotate through the third synchronizing gear 56 and the fourth synchronizing gear 57, the positioning shaft 61 drives the baffle rack 59 to slide upwards through the large gear 58, further opening the protective box 25 to allow part of workers to enter the escape cavity 26 for temporary refuge, and at the same time, after the signal receiver 63 receives the signal from the signal transmitter 14, the second motor 65 is activated through the third wire 64, at which time the second motor 65 can be manually started, the second motor 65 drives the second power shaft 66 to rotate, the second power shaft 66 drives the wheel shaft 69 to rotate through the first gear 67 and the second gear 68, the wheel shaft 69 drives the wheel 71 to rotate, the escape car 62 can be slid on the rails 72 so that the worker can rapidly evacuate from the landslide area through the escape car 62.
The invention has the beneficial effects that: the device has a simple structure, is convenient to maintain and use, can monitor the rock stratum of the mine hole in real time through the built-in sensing mechanism, can quickly start the corresponding warning device and the escape protection device when the rock stratum has a collapse risk, further can greatly ensure the safety of constructors, reduce casualties of personnel and help the personnel in the hole to more quickly evacuate from the dangerous area, and can enable rescue personnel to more quickly find trapped personnel for rescue through the built-in protection box.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (9)
1. The safety device capable of early warning the collapse of the mine tunnel comprises a protection plate, wherein the protection plate is fixedly arranged in a rock stratum, five inductors are arranged in the rock stratum in an annular array and can monitor the stress between the rock strata, and one end, close to the protection plate, of each inductor is electrically connected with a first electric wire;
a power cavity is arranged in the protection plate, a signal transmitter is fixedly arranged in the power cavity and electrically connected with the first electric wire, an operation area is arranged in the rock stratum, a track is arranged on the lower wall of the operation area, a slidable escape mechanism is arranged on the track, and therefore when the mine cave has a collapse tendency, the signal transmitter can transmit signals to the escape mechanism to start the escape mechanism, and people in the cave can be quickly transported away from the collapse area by the escape mechanism;
the power mechanism is arranged in the power cavity and is positioned at the lower end of the signal emitter, the power mechanism can provide power for the device, the power mechanism is electrically connected with the signal emitter through a second wire, and the signal emitter can control the power mechanism to run;
the utility model discloses a mine tunnel escape protection device, including guard plate, protection casing, fan, power unit, baffle mechanism, protection case, transmission chamber, baffle mechanism, protection case, baffle mechanism, protection case, the protection case is equipped with the chamber of fleing, the baffle mechanism is steerable, the switching of protection case, when the mine tunnel begins to collapse, baffle mechanism can in time control the protection case is opened, and then makes things convenient for miner to take shelter from temporarily and wait for the rescue.
2. A safety device for early warning of cave collapse according to claim 1, wherein: the sensor comprises four sensor sliding blocks arranged in the sensor in an array mode, a sensor spring is fixedly arranged on each sensor sliding block, the sensor springs are connected through a pressure sensor, the pressure sensor is fixedly arranged in the sensor, the rear end of the sensor is electrically connected with a first electric wire, when rock stratum stress changes suddenly or rock stratum vibrates violently, the sensor sliding blocks can slide inside the sensor, the pressure sensor is extruded through the sensor springs, resistance of the pressure sensor is changed, and then the signal is transmitted to the signal transmitter through the first electric wire.
3. A safety device for early warning of cave collapse according to claim 2, wherein: the power mechanism comprises a first motor fixedly arranged in the power cavity, the upper end of the first motor is electrically connected with the signal transmitter through a second electric wire, a first power shaft is arranged at the lower end of the first motor in a power connection mode, the lower end of the first power shaft is fixedly connected with the fan, when the first motor is started, the first motor can drive the first power shaft to drive the fan to rotate, and the fan can further perform emergency ventilation in the mine tunnel.
4. A safety device for early warning of cave collapse according to claim 3, wherein: the utility model discloses a power transmission device, including power chamber, first power shaft, chain, little sprocket, chain, transmission mechanism, the last central sprocket that has set firmly of first power shaft, the last chain that is equipped with of central sprocket, the bilateral symmetry in the power chamber is equipped with rotatable first transmission shaft, the little sprocket that has set firmly on the first transmission shaft, on the little sprocket with the chain is connected, first transmission shaft lower extreme extends the people the transmission chamber, and with transmission mechanism connects, works as when first power shaft rotates, first power shaft accessible central sprocket the chain with little sprocket drives first transmission shaft rotates, and then first transmission shaft can be with power transmission for transmission mechanism.
5. A safety device for early warning of cave collapse according to claim 4, wherein: the transmission mechanism comprises a first bevel gear which is positioned in the transmission cavity and fixedly arranged on the first transmission shaft, one end of the first bevel gear, which is far away from the operation area, is provided with a second bevel gear in a meshed connection manner, the second bevel gear is fixedly provided with a second transmission shaft, the second transmission shaft is rotatably arranged in the transmission cavity, one end of the second transmission shaft, which is far away from the operation area, is fixedly provided with a third bevel gear, one end of the third bevel gear, which is far away from the operation area, is provided with a fourth bevel gear in a meshed connection manner, the fourth bevel gear is fixedly provided with a third transmission shaft, the third transmission shaft is rotatably arranged in the transmission cavity, the third transmission shaft is fixedly provided with a first belt pulley, the first belt pulley is positioned at the front end of the fourth bevel gear, the first belt pulley is connected with a belt, and the lower end, when the first transmission shaft rotates, the first transmission shaft drives the second transmission shaft to rotate through the first bevel gear and the second bevel gear, the second transmission shaft drives the third transmission shaft to rotate through the third bevel gear and the fourth bevel gear, and the third transmission shaft can transmit power to the baffle mechanism through the first belt pulley and the belt.
6. A safety device for early warning of cave collapse according to claim 5, wherein: the working area is characterized in that alarm cavities are communicated and arranged in the left side wall and the right side wall of the working area, the lower end of the first transmission shaft extends into the alarm cavities, an alarm is fixedly arranged at the lower end of the first transmission shaft, when the first transmission shaft rotates, the first transmission shaft can drive the alarm, and then the alarm can give out an alarm sound to remind workers of rapidly withdrawing.
7. A safety device for early warning of cave collapse according to claim 5, wherein: the baffle mechanism comprises a fourth transmission shaft which is rotatably arranged in the baffle cavity, a second belt pulley is fixedly arranged on the fourth transmission shaft and connected with the lower end of the belt, a first synchronizing gear is fixedly arranged on the fourth transmission shaft, a second synchronizing gear is arranged at one end, close to the operation area, of the first synchronizing gear in a meshed connection mode, a connecting shaft is fixedly arranged at the axis of the second synchronizing gear, a third synchronizing gear is fixedly arranged at one end, close to the operation area, of the connecting shaft, a fourth synchronizing gear is fixedly arranged at one end, close to the operation area, of the third synchronizing gear in a meshed connection mode, a positioning shaft is fixedly arranged at the axis of the fourth synchronizing gear, the positioning shaft is rotatably arranged between the front inner wall and the rear inner wall of the baffle cavity, a large gear is fixedly arranged on the positioning shaft and located at the rear end of the fourth synchronizing gear, and a baffle rack is arranged at one end, close to the operation, the lower end of the baffle rack extends into the escape cavity.
8. A safety device for early warning of cave collapse according to claim 1, wherein: the mechanism of fleing includes that slidable locates car of fleing on the track, be equipped with the control chamber in the car of fleing, the second motor has set firmly in the control chamber, second motor left end electric connection is equipped with the third electric wire, third electric wire left end electric connection is equipped with signal receiver, signal receiver can with signal transmitter signal connection, and then signal transmitter accessible to signal receiver transmission signal activates the second motor.
9. A safety device for early warning of cave collapse according to claim 1, wherein: the lower end of the second motor is in power connection with a second power shaft, a first gear is fixedly arranged at the lower end of the second power shaft, a second gear is arranged at the right end of the first gear in a meshed connection mode, a wheel shaft is fixedly arranged at the axle center of the second gear, the wheel shaft is rotatably and symmetrically arranged in the lower wall of the escape vehicle front and back, wheels are symmetrically arranged on the wheel shaft left and right, the wheels can roll on the track, when the second motor is started, the second motor drives the second power shaft to rotate, the second power shaft drives the wheel shaft to rotate through the first gear and the second gear, the wheel shaft drives the wheels to rotate, and then the escape vehicle can slide on the track, so that workers can rapidly evacuate from a collapse area through the escape vehicle.
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| CN201910928474.5A CN110593956B (en) | 2019-09-28 | 2019-09-28 | Safety device capable of early warning collapse of mine tunnel |
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| CN110593956A true CN110593956A (en) | 2019-12-20 |
| CN110593956B CN110593956B (en) | 2020-12-22 |
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| CN112901225A (en) * | 2021-01-14 | 2021-06-04 | 邵靖怀 | Safety protection equipment in coal mine |
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| CN110593956B (en) | 2020-12-22 |
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