CN113623006B - Gas concentration monitoring and early warning device for coal mine gas extraction - Google Patents
Gas concentration monitoring and early warning device for coal mine gas extraction Download PDFInfo
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- CN113623006B CN113623006B CN202111110275.7A CN202111110275A CN113623006B CN 113623006 B CN113623006 B CN 113623006B CN 202111110275 A CN202111110275 A CN 202111110275A CN 113623006 B CN113623006 B CN 113623006B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 130
- 239000003245 coal Substances 0.000 title claims abstract description 22
- 238000000605 extraction Methods 0.000 title claims abstract description 20
- 230000000694 effects Effects 0.000 claims abstract description 5
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 229920001875 Ebonite Polymers 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000011324 bead Substances 0.000 description 8
- 244000309464 bull Species 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 4
- 238000012806 monitoring device Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction 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
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Sampling And Sample Adjustment (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a gas concentration monitoring and early warning device for coal mine gas extraction, which comprises a gas concentration monitoring and early warning device main body, wherein one side of the gas concentration monitoring and early warning device main body is rotationally connected with a connecting block, the lower surface of the gas concentration monitoring and early warning device main body is fixedly connected with a soft rubber block, the back surface of the gas concentration monitoring and early warning device main body is provided with a lifting mechanism, one side of the gas concentration monitoring and early warning device main body is provided with a protection mechanism, and an air inlet mechanism is arranged at the top of the gas concentration monitoring and early warning device main body. The beneficial effects of the invention are as follows: this a gas concentration monitoring early warning device for colliery gas extraction is convenient for diversified air inlet monitoring gas concentration and has the protection device main part and can not cause the effect of trouble because of the collision in the removal in-process.
Description
Technical Field
The invention relates to a gas concentration monitoring and early warning device, in particular to a gas concentration monitoring and early warning device for coal mine gas extraction, and belongs to the technical field of gas.
Background
When the construction is carried out in the coal mine, the safety is the most important, and the coal mine often penetrates through a gas area due to the fact that the coal mine penetrates through the underground or mountain, so that the monitoring of the gas concentration in the coal mine is extremely important, and the gas concentration monitoring and early warning device is a device special for monitoring and early warning the gas concentration.
However, the existing gas concentration monitoring and early warning device is mainly fixedly arranged, the air inlet of the device can only face one direction, however, the gas flowing direction in the tunnel is not fixed, when gas leaks but the gas flows to the air inlet of the monitoring device, the device can not timely and accurately monitor and early warn the gas leakage condition, safety accidents are easily caused, and the current gas concentration monitoring and early warning device on the market is used for carrying out safety monitoring and early warning work under mines, because the environment under the mines is complex, the device body is easy to collide with surrounding mine walls when moving, and therefore, the device body is easy to break down in the working process.
Disclosure of Invention
The invention aims to solve the problems and provide a gas concentration monitoring and early warning device for coal mine gas extraction, which is convenient for multi-azimuth air inlet monitoring of gas concentration.
The invention realizes the aim through the following technical scheme, and the gas concentration monitoring and early warning device for coal mine gas extraction comprises the following components;
the gas concentration monitoring and early warning device comprises a gas concentration monitoring and early warning device body, wherein a connecting side plate is fixedly connected to one side of the gas concentration monitoring and early warning device body, a connecting block is rotatably connected to one side of the gas concentration monitoring and early warning device body, a soft rubber block is fixedly connected to the lower surface of the gas concentration monitoring and early warning device body, a round hole is formed in the back surface of the gas concentration monitoring and early warning device body, a lifting mechanism is arranged in the round hole, and a protection mechanism is arranged on one side of the gas concentration monitoring and early warning device body;
the air inlet mechanism comprises a disc, a square plate and a spacer, wherein the disc is arranged on the upper surface of the gas concentration monitoring and early warning device main body, the square plate is fixedly connected with the lower surface of the disc, and one side of the square plate is fixedly connected with the spacer.
Preferably, one side of the gas concentration monitoring and early warning device main body is provided with a monitoring display, the upper surface of the gas concentration monitoring and early warning device main body is fixedly connected with a top plate, one side of the monitoring display is provided with a rotary groove, one side of the rotary groove is provided with a connecting hole, and the inside of the soft rubber block is provided with a vertical groove.
Preferably, the upper surface of the monitoring display is provided with a connecting groove, the lower surface of the connecting groove is provided with a through groove, one side of the gas concentration monitoring precaution device main body is provided with a vent hole, and the inside of the connecting hole is fixedly connected with a rotating shaft.
Preferably, the surface rotation of pivot is connected with the round bar, and the circular slot has been seted up to one side of round bar, and the lower fixed surface of round bar is connected with the connecting block, and the lower fixed surface of connecting block is connected with the go-between.
Preferably, one side of the monitoring display is fixedly connected with a stop block, a first spring is movably clamped in the vertical groove, and a hard rubber pad is arranged on the lower surface of the soft rubber block.
Preferably, the air inlet mechanism further comprises an acoustic alarm and a light alarm, the acoustic alarm is arranged on the upper surface of the disc, and the light alarm is arranged on the upper surface of the disc.
Preferably, elevating system includes bull stick, connecting rod, first bevel gear, second bevel gear and lead screw, and the bull stick rotates the back of connecting at gas concentration monitoring precaution device main part, and one side fixedly connected with connecting rod of bull stick, one side fixedly connected with first bevel gear of connecting rod, one side meshing transmission of first bevel gear has the second bevel gear, and the last fixed surface of second bevel gear is connected with the lead screw.
Preferably, the connecting rod rotates and connects in the inside of round hole, and the second bevel gear rotates and connects in the inside of gas concentration monitoring precaution device main part, and the lead screw rotates and connects in the inside of square board.
Preferably, the protection mechanism comprises a fixed block, a rigid ring body, a fixed hole, a loop bar, a second spring, a sleeve and a flexible ring body, wherein the fixed block is fixedly connected to one side of the gas concentration monitoring early warning device main body, the rigid ring body is fixedly connected to one side of the fixed block, the fixed hole is formed in one side of the rigid ring body, the loop bar is fixedly connected to the inside of the fixed hole, the second spring is movably clamped to one side of the loop bar, the sleeve is slidably connected to one side of the loop bar, and the flexible ring body is fixedly connected to one side of the fixed block.
Preferably, the second spring is movably clamped in the sleeve, the sleeve is fixedly connected to one side of the flexible ring body, and the flexible ring body is arranged on one side of the rigid ring body.
The beneficial effects of the invention are as follows:
1. this a gas concentration monitoring early warning device for colliery gas drainage when the diversified air inlet monitoring gas concentration of needs, logical groove has been seted up to the upper surface of gas concentration monitoring early warning ware main part at first, the inside of leading to the groove is provided with square board, square board is square, and square board's four corners department is provided with the parting bead, the top fixedly connected with disc of square board and parting bead, the top of disc is provided with sound alarm and light alarm, when the air inlet, the wind can get into from one side of square board, then get into the inside of leading to the groove from between two parting beads again, monitor by the inside monitoring devices of gas concentration monitoring early warning ware main part monitors again, the device is convenient for diversified air inlet monitoring gas concentration.
2. This a gas concentration monitoring early warning device for colliery gas drainage when the height of air inlet is adjusted to needs, at first rotate the bull stick, make it drive the connecting rod at the inside rotation of round hole, drive first bevel gear when the connecting rod rotates and rotate in one side of second bevel gear, and first bevel gear rotates and drives the second bevel gear that makes its engaged with and rotate, and when the second bevel gear rotates, the lead screw rotates in the inside of square board, and square board and lead screw threaded connection, so when the lead screw rotates, drive the square board and go up and down at the inside of logical groove, the device is convenient for adjust the height of air inlet.
3. This a gas concentration monitoring early warning device for colliery gas extraction, when needs protection device main part does not bump and cause the trouble in the removal in-process, at first, the fixed block is fixed at four sides of gas concentration monitoring early warning device main part, the opposite side of fixed block is fixed with the rigid ring body, one side of rigid ring body is fixed with the loop bar, one side of fixed block is fixed with the flexible ring body simultaneously, the inside of flexible ring body is fixed with the sleeve, the sleeve cup joints the surface at the loop bar, and telescopic inside activity joint has the second spring, one side of second spring contacts with one side of loop bar, when gas concentration monitoring early warning device main part receives the collision, at first the contact is the flexible ring body, and the flexible ring body receives the collision time, remove to one side of rigid ring body, make the inside second spring compression of sleeve simultaneously, and the sleeve slides at the surface of loop bar, when not receiving the collision, the second spring makes the flexible ring body rebound, the device has protection device main part can not cause the effect of trouble because of taking place the collision in the removal.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the main structure of the gas concentration monitoring and early warning device of the present invention;
FIG. 3 is a schematic diagram of the structure of the ventilation holes of the present invention;
FIG. 4 is a schematic diagram of a monitor display according to the present invention;
FIG. 5 is a schematic view of a connecting ring structure according to the present invention;
FIG. 6 is a schematic view of the structure of a soft rubber block according to the present invention;
FIG. 7 is a schematic view of the air intake mechanism of the present invention;
fig. 8 is a schematic structural view of a protection mechanism of the present invention.
In the figure: 1. a gas concentration monitoring and early warning device main body; 101. monitoring a display; 102. a top plate; 103. a stop block; 104. a rotary groove; 105. a connection hole; 106. a round hole; 2. connecting side plates; 201. ventilation holes; 202. a through groove; 203. a connecting groove; 3. a connecting block; 301. a connecting ring; 302. round strips; 303. a circular groove; 304. a rotating shaft; 4. a soft rubber block; 401. a vertical groove; 402. a first spring; 403. a hard rubber pad; 5. an air inlet mechanism; 501. a disc; 502. an acoustic alarm; 503. a light alarm; 504. a square plate; 505. a spacer; 6. a lifting mechanism; 601. a rotating rod; 602. a connecting rod; 603. a first bevel gear; 604. a second bevel gear; 605. a screw rod; 7. a protection mechanism; 701. a fixed block; 702. a rigid ring body; 703. a fixing hole; 704. a loop bar; 705. a second spring; 706. a sleeve; 707. a flexible ring body.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention discloses a gas concentration monitoring and early warning device for coal mine gas extraction, which comprises a gas concentration monitoring and early warning device body 1, wherein one side of the gas concentration monitoring and early warning device body 1 is fixedly connected with a connecting side plate 2, one side of the gas concentration monitoring and early warning device body 1 is rotatably connected with a connecting block 3, the lower surface of the gas concentration monitoring and early warning device body 1 is fixedly connected with a soft rubber block 4, the back surface of the gas concentration monitoring and early warning device body 1 is provided with a round hole 106, the inside of the round hole 106 is provided with a lifting mechanism 6, one side of the gas concentration monitoring and early warning device body 1 is provided with a protection mechanism 7, and the connecting rod 601 is conveniently connected by arranging the round hole 106.
Referring to fig. 1-6, a monitor display 101 is disposed on one side of a gas concentration monitor and early warning device main body 1, a top plate 102 is fixedly connected to an upper surface of the gas concentration monitor and early warning device main body 1, a rotary groove 104 is disposed on one side of the monitor display 101, a connecting hole 105 is disposed on one side of the rotary groove 104, a vertical groove 401 is disposed in the soft rubber block 4, a connecting groove 203 is disposed on an upper surface of the monitor display 101, a through groove 202 is disposed on a lower surface of the connecting groove 203, an air vent 201 is disposed on one side of the gas concentration monitor and early warning device main body 1, a rotating shaft 304 is fixedly connected to an inner portion of the connecting hole 105, a round bar 302 is rotatably connected to an outer surface of the rotating shaft 304, a round groove 303 is disposed on one side of the round bar 302, a connecting block 3 is fixedly connected to a connecting ring 301, a stop 103 is fixedly connected to one side of the monitor display 101, a first spring 402 is movably clamped in the vertical groove 401, a hard rubber pad 403 is disposed on a lower surface of the soft rubber block 4, and the gas concentration monitor and early warning device main body 1 is conveniently moved by disposing the connecting ring 301.
Referring to fig. 7, the air intake mechanism 5 includes a disc 501, a square plate 504 and a spacer 505, the disc 501 is disposed on the upper surface of the gas concentration monitoring and early warning device body 1, the square plate 504 is fixedly connected to the lower surface of the disc 501, one side of the square plate 504 is fixedly connected with the spacer 505, the air intake mechanism 5 further includes an acoustic alarm 502 and a light alarm 503, the acoustic alarm 502 is disposed on the upper surface of the disc 501, the light alarm 503 is disposed on the upper surface of the disc 501, and air intake is facilitated by the square plate 504.
Referring to fig. 7, the lifting mechanism 6 includes a rotating rod 601, a connecting rod 602, a first bevel gear 603, a second bevel gear 604 and a screw rod 605, the rotating rod 601 is rotatably connected to the back of the gas concentration monitoring and early warning device main body 1, one side of the rotating rod 601 is fixedly connected with the connecting rod 602, one side of the connecting rod 602 is fixedly connected with the first bevel gear 603, one side of the first bevel gear 603 is in meshed transmission with the second bevel gear 604, the upper surface of the second bevel gear 604 is fixedly connected with the screw rod 605, the connecting rod 602 is rotatably connected to the inside of the round hole 106, the second bevel gear 604 is rotatably connected to the inside of the gas concentration monitoring and early warning device main body 1, the screw rod 605 is rotatably connected to the inside of the square plate 504, and the lifting and air inlet mechanism 5 is facilitated by arranging the screw rod 605.
Referring to fig. 8, the protection mechanism 7 includes a fixing block 701, a rigid ring 702, a fixing hole 703, a sleeve rod 704, a second spring 705, a sleeve 706 and a flexible ring 707, the fixing block 701 is fixedly connected to one side of the gas concentration monitoring and early warning device main body 1, one side of the fixing block 701 is fixedly connected with the rigid ring 702, the fixing hole 703 is provided on one side of the rigid ring 702, the sleeve rod 704 is fixedly connected to the inside of the fixing hole 703, the second spring 705 is movably clamped to one side of the sleeve rod 704, the sleeve 706 is slidably connected to one side of the sleeve rod 704, the flexible ring 707 is fixedly connected to one side of the flexible ring 707, the flexible ring 707 is arranged on one side of the rigid ring 702, and the protection of the gas concentration monitoring and early warning device main body 1 is achieved by arranging the flexible ring 707.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below by way of examples with reference to the accompanying drawings.
Embodiment 1,
The utility model provides a gas concentration monitoring and early warning device for coal mine gas extraction as shown in fig. 1-8, including gas concentration monitoring and early warning device main part 1, one side fixedly connected with of gas concentration monitoring and early warning device main part 1 is connected with curb plate 2, and one side rotation of gas concentration monitoring and early warning device main part 1 is connected with connecting block 3, and the lower fixed surface of gas concentration monitoring and early warning device main part 1 is connected with soft rubber piece 4, and round hole 106 has been seted up at the back of gas concentration monitoring and early warning device main part 1, and the inside of round hole 106 is provided with elevating system 6, and one side of gas concentration monitoring and early warning device main part 1 is provided with protection machanism 7.
One side of the gas concentration monitoring and early warning device main body 1 is provided with a monitoring display 101, the upper surface of the gas concentration monitoring and early warning device main body 1 is fixedly connected with a top plate 102, a rotary groove 104 is formed in one side of the monitoring display 101, a connecting hole 105 is formed in one side of the rotary groove 104, a vertical groove 401 is formed in the inner portion of a soft rubber block 4, a connecting groove 203 is formed in the upper surface of the monitoring display 101, a through groove 202 is formed in the lower surface of the connecting groove 203, an air vent 201 is formed in one side of the gas concentration monitoring and early warning device main body 1, a rotating shaft 304 is fixedly connected with the inner portion of the connecting hole 105, the outer surface of the rotating shaft 304 is rotationally connected with a round bar 302, a round groove 303 is formed in one side of the round bar 302, a connecting block 3 is fixedly connected with a connecting ring 301, a stop 103 is fixedly connected with one side of the monitoring display 101, a first spring 402 is movably clamped in the vertical groove 401, and a hard rubber pad 403 is arranged on the lower surface of the soft rubber block 4.
The air inlet mechanism 5, the air inlet mechanism 5 includes disc 501, square board 504 and parting bead 505, and disc 501 sets up the upper surface at gas concentration monitoring precaution device main part 1, and the lower fixed surface of disc 501 is connected with square board 504, and one side fixedly connected with parting bead 505 of square board 504, air inlet mechanism 5 still include sound alarm 502 and light alarm 503, and sound alarm 502 sets up the upper surface at disc 501, and light alarm 503 sets up the upper surface at disc 501.
When the diversified air inlet monitoring gas concentration of needs, at first the upper surface of gas concentration monitoring precaution device main part 1 has been seted up logical groove 202, the inside of leading to groove 202 is provided with square board 504, square board 504 is square, and square board 504's four corners department is provided with parting bead 505, square board 504 and parting bead 505's top fixedly connected with disc 501, disc 501's top is provided with sound alarm 502 and light alarm 503, when the air inlet, the wind can get into from square board 504's one side, then get into the inside of leading to groove 202 from between two parting beads 505 again, monitor by the inside monitoring devices of gas concentration monitoring precaution device main part 1 again, the device is convenient for diversified air inlet monitoring gas concentration.
Embodiment II,
The utility model provides a gas concentration monitoring and early warning device for coal mine gas extraction as shown in fig. 1-8, including gas concentration monitoring and early warning device main part 1, one side fixedly connected with of gas concentration monitoring and early warning device main part 1 is connected with curb plate 2, and one side rotation of gas concentration monitoring and early warning device main part 1 is connected with connecting block 3, and the lower fixed surface of gas concentration monitoring and early warning device main part 1 is connected with soft rubber piece 4, and round hole 106 has been seted up at the back of gas concentration monitoring and early warning device main part 1, and the inside of round hole 106 is provided with elevating system 6, and one side of gas concentration monitoring and early warning device main part 1 is provided with protection machanism 7.
Elevating system 6 includes bull stick 601, connecting rod 602, first bevel gear 603, second bevel gear 604 and lead screw 605, bull stick 601 rotates the back of connecting at gas concentration monitoring precaution device main part 1, one side fixedly connected with connecting rod 602 of bull stick 601, one side fixedly connected with first bevel gear 603 of connecting rod 602, the one side meshing transmission of first bevel gear 603 has second bevel gear 604, the last fixed surface of second bevel gear 604 is connected with lead screw 605, connecting rod 602 rotates the inside of connecting at round hole 106, second bevel gear 604 rotates the inside of connecting at gas concentration monitoring precaution device main part 1, lead screw 605 rotates the inside of connecting at square plate 504, be convenient for go up and down air inlet mechanism 5 through setting up lead screw 605.
When the height of the air intake needs to be adjusted, the rotating rod 601 is rotated firstly to drive the connecting rod 602 to rotate in the round hole 106, the connecting rod 602 drives the first bevel gear 603 to rotate on one side of the second bevel gear 604 when rotating, the first bevel gear 603 rotates to drive the second bevel gear 604 which is meshed with the first bevel gear 603 to rotate, the screw rod 605 rotates in the square plate 504 when the second bevel gear 604 rotates, and the square plate 504 is in threaded connection with the screw rod 605, so that when the screw rod 605 rotates, the square plate 504 is driven to lift in the through groove 202, and the device is convenient for adjusting the height of the air intake.
Third embodiment,
1-8, a gas concentration monitoring and early warning device for coal mine gas extraction comprises a gas concentration monitoring and early warning device main body 1, wherein one side of the gas concentration monitoring and early warning device main body 1 is fixedly connected with a connecting side plate 2, one side of the gas concentration monitoring and early warning device main body 1 is rotatably connected with a connecting block 3, the lower surface of the gas concentration monitoring and early warning device main body 1 is fixedly connected with a soft rubber block 4, a round hole 106 is formed in the back of the gas concentration monitoring and early warning device main body 1, a lifting mechanism 6 is arranged in the round hole 106, and one side of the gas concentration monitoring and early warning device main body 1 is provided with a protection mechanism 7;
the protection mechanism 7 further comprises a fixing block 701, a rigid ring body 702, a fixing hole 703, a sleeve rod 704, a second spring 705, a sleeve 706 and a flexible ring body 707, wherein the fixing block 701 is fixedly connected to one side of the gas concentration monitoring early warning device main body 1, one side of the fixing block 701 is fixedly connected with the rigid ring body 702, the fixing hole 703 is formed in one side of the rigid ring body 702, the sleeve rod 704 is fixedly connected to the inside of the fixing hole 703, the second spring 705 is movably clamped to one side of the sleeve rod 704, the sleeve 706 is slidably connected to one side of the sleeve rod 704, the flexible ring body 707 is fixedly connected to one side of the fixing block 701, the second spring 705 is movably clamped to the inside of the sleeve 706, the sleeve 706 is fixedly connected to one side of the flexible ring body 707, and the flexible ring body 707 is arranged on one side of the rigid ring body 702 and has the function of protecting the gas concentration monitoring early warning device main body 1 through the flexible ring body 707.
When the gas concentration monitoring early warning device is used, when a protection device body is required to be protected from collision in the moving process, the fixing blocks 701 are firstly fixed on four side surfaces of the gas concentration monitoring early warning device body 1, the rigid ring body 702 is fixed on the other side of the fixing blocks 701, the sleeve rod 704 is fixed on one side of the rigid ring body 702, the flexible ring body 707 is fixed on one side of the fixing blocks 701, the sleeve 706 is fixed in the flexible ring body 707, the sleeve 706 is sleeved on the outer surface of the sleeve rod 704, the second spring 705 is movably clamped in the sleeve 706, one side of the second spring 705 is contacted with one side of the sleeve rod 704, when the gas concentration monitoring early warning device body 1 is collided, the flexible ring body 707 is firstly contacted with a collision body, and when the flexible ring body 707 is collided, the flexible ring body 707 moves to one side of the rigid ring body 702, meanwhile, the second spring 705 in the sleeve body 706 is compressed, the sleeve rod 704 slides on the outer surface of the sleeve rod 704, when the gas concentration monitoring early warning device is not collided, the second spring 705 enables the flexible ring body 707 to rebound, and the protection device body can not cause the fault in the moving process.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The gas concentration monitoring and early warning device for coal mine gas extraction is characterized by comprising the following components;
the gas concentration monitoring and early warning device comprises a gas concentration monitoring and early warning device main body (1), wherein a connecting side plate (2) is fixedly connected to one side of the gas concentration monitoring and early warning device main body (1), a connecting block (3) is rotatably connected to one side of the gas concentration monitoring and early warning device main body (1), a soft rubber block (4) is fixedly connected to the lower surface of the gas concentration monitoring and early warning device main body (1), a round hole (106) is formed in the back of the gas concentration monitoring and early warning device main body (1), a lifting mechanism (6) is arranged in the round hole (106), and a protection mechanism (7) is arranged on one side of the gas concentration monitoring and early warning device main body (1);
the gas concentration monitoring and early warning device comprises a gas inlet mechanism (5), wherein the gas inlet mechanism (5) comprises a disc (501), a square plate (504) and a spacer bar (505), the disc (501) is arranged on the upper surface of a gas concentration monitoring and early warning device main body (1), the square plate (504) is fixedly connected to the lower surface of the disc (501), and the spacer bar (505) is fixedly connected to one side of the square plate (504);
the lifting mechanism (6) comprises a rotating rod (601), a connecting rod (602), a first bevel gear (603), a second bevel gear (604) and a screw rod (605), wherein the rotating rod (601) is rotationally connected to the back surface of the gas concentration monitoring early warning device main body (1), one side of the rotating rod (601) is fixedly connected with the connecting rod (602), one side of the connecting rod (602) is fixedly connected with the first bevel gear (603), one side of the first bevel gear (603) is in meshed transmission with the second bevel gear (604), and the upper surface of the second bevel gear (604) is fixedly connected with the screw rod (605);
protection machanism (7) are including fixed block (701), rigid ring body (702), fixed orifices (703), loop bar (704), second spring (705), sleeve (706) and flexible ring body (707), one side of fixed block (701) fixedly connected with rigid ring body (702) in one side of gas concentration monitoring precaution device main part (1), fixed orifices (703) have been seted up in one side of rigid ring body (702), inside fixedly connected with loop bar (704) of fixed orifices (703), one side activity joint of loop bar (704) has second spring (705), one side sliding connection of loop bar (704) has sleeve (706), one side fixedly connected with flexible ring body (707) of fixed block (701).
2. The gas concentration monitoring and early warning device for coal mine gas extraction according to claim 1, wherein: one side of gas concentration monitoring precaution device main part (1) is provided with monitoring display (101), the last fixed surface of gas concentration monitoring precaution device main part (1) is connected with roof (102), change groove (104) have been seted up to one side of monitoring display (101), connecting hole (105) have been seted up to one side of change groove (104), perpendicular groove (401) have been seted up to the inside of soft rubber piece (4).
3. The gas concentration monitoring and early warning device for coal mine gas extraction according to claim 2, wherein: the upper surface of monitor display (101) has seted up spread groove (203), logical groove (202) have been seted up to the lower surface of spread groove (203), bleeder vent (201) have been seted up to one side of gas concentration monitoring precaution device main part (1), the inside fixedly connected with pivot (304) of connecting hole (105).
4. The gas concentration monitoring and early warning device for coal mine gas extraction according to claim 3, wherein: the outer surface rotation of pivot (304) is connected with round bar (302), circular slot (303) have been seted up to one side of round bar (302), the lower surface fixedly connected with connecting block (3) of round bar (302), the lower surface fixedly connected with go-between (301) of connecting block (3).
5. The gas concentration monitoring and early warning device for coal mine gas extraction according to claim 2, wherein: one side fixedly connected with dog (103) of monitor display (101), the inside activity joint in perpendicular groove (401) has first spring (402), the lower surface of soft rubber piece (4) is provided with hard rubber pad (403).
6. The gas concentration monitoring and early warning device for coal mine gas extraction according to claim 1, wherein: the air inlet mechanism (5) further comprises an acoustic alarm (502) and a light alarm (503), wherein the acoustic alarm (502) is arranged on the upper surface of the disc (501), and the light alarm (503) is arranged on the upper surface of the disc (501).
7. The gas concentration monitoring and early warning device for coal mine gas extraction according to claim 1, wherein: the connecting rod (602) is rotationally connected to the inside of the round hole (106), the second bevel gear (604) is rotationally connected to the inside of the gas concentration monitoring and early warning device main body (1), and the screw rod (605) is rotationally connected to the inside of the square plate (504).
8. The gas concentration monitoring and early warning device for coal mine gas extraction according to claim 1, wherein: the second spring (705) is movably clamped in the sleeve (706), the sleeve (706) is fixedly connected to one side of the flexible ring body (707), and the flexible ring body (707) is arranged on one side of the rigid ring body (702).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111110275.7A CN113623006B (en) | 2021-09-22 | 2021-09-22 | Gas concentration monitoring and early warning device for coal mine gas extraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111110275.7A CN113623006B (en) | 2021-09-22 | 2021-09-22 | Gas concentration monitoring and early warning device for coal mine gas extraction |
Publications (2)
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