CN110242341B - A dustproof ponding air door that prevents for colliery main ventilation system - Google Patents
A dustproof ponding air door that prevents for colliery main ventilation system Download PDFInfo
- Publication number
- CN110242341B CN110242341B CN201910500437.4A CN201910500437A CN110242341B CN 110242341 B CN110242341 B CN 110242341B CN 201910500437 A CN201910500437 A CN 201910500437A CN 110242341 B CN110242341 B CN 110242341B
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- Prior art keywords
- air door
- dust
- box body
- shaft
- transmission
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- 238000009423 ventilation Methods 0.000 title claims abstract description 35
- 239000000428 dust Substances 0.000 claims abstract description 83
- 230000005540 biological transmission Effects 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 239000003245 coal Substances 0.000 claims abstract description 15
- 238000007710 freezing Methods 0.000 claims description 12
- 238000007689 inspection Methods 0.000 claims description 5
- 208000032370 Secondary transmission Diseases 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 238000009825 accumulation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008014 freezing Effects 0.000 description 4
- 239000000725 suspension Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/10—Air doors
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/10—Air doors
- E21F1/12—Devices for automatically opening air doors
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
Abstract
The invention discloses a dustproof ponding-proof air door for a main ventilation system of a coal mine, which relates to the technical field of mine ventilation equipment and has the technical key points that: a side open type air door is arranged in the air duct, a plurality of travelling wheels are arranged at the top of the air door, a rack with a downward tooth surface is arranged at the bottom of the side open type air door, a tail gear meshed with the rack is rotatably connected to the outer box body of the air door, and a transmission device for driving the side open type air door to horizontally reciprocate is connected to the tail gear; the air door outside bottom of the case portion inboard is equipped with dust collector, be equipped with the pivoted hand drive device of drive dust removal axle in the transmission case, air door outside bottom of the case portion is equipped with drainage device, drainage device includes water tank, water tank vortex heating device, solves the dust that current air door exists and piles up difficult clearance, ponding difficult scheduling problem of discharging.
Description
Technical Field
The invention relates to the technical field of mine ventilation equipment, in particular to a dustproof water accumulation prevention air door for a main ventilation system of a coal mine.
Background
The automatic ventilation door for coal mine is used for controlling ventilation quantity and ventilation direction of underground air of coal mine, isolating air flow and preventing disturbance of ventilation system. The main ventilator for the coal mine has an important function on the safe production of the coal mine, and has the important function of conveying fresh air underground and discharging sewage air and dust outwards to ensure the safe production. National coal mine safety regulations require that each mine main ventilator be used for one. In order to facilitate the operation switching of the two fans, different types of air doors are arranged between each fan and the wind tunnel for airtight switching.
The prior art discloses a colliery ground is side open air door for main ventilation machine, and this ventilation system is through increasing side open air door between butterfly valve and main fan, realizes getting rid of the air door trouble under the state of not stopping wind, and air door structural design is simple, rotates in a flexible way.
According to the scheme, the problem that dust is accumulated easily exists at the track because of the track design problem, so that the air door is not opened and closed in place, the air door tightness is reduced, and the accumulated dust cannot be removed timely and conveniently, so that the use process of opening and closing the subsequent air door is greatly influenced. Secondly, although the bottom of the air door is provided with an explosion-proof heating belt, the side surface and the top are not provided with anti-freezing devices, so that the air door is easy to freeze in winter, and the air door is not opened or closed in place, and air leakage occurs; in addition, the air door is close to one side of the main ventilator and is not provided with a drainage device, and accumulated water after wind stopping cannot be timely drained.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a dustproof ponding-proof air door for a main ventilation system of a coal mine, which solves the problems that dust accumulation is difficult to clean, ponding is difficult to discharge and the like in the existing air door.
In order to achieve the technical aim, the invention provides the following technical scheme that the dustproof water accumulation preventing air door for the coal mine main ventilation system is arranged in an air duct, a side-opening air door is arranged in the air duct, an air door outer box body communicated with the air duct is fixed outside the air duct, a plurality of travelling wheels are arranged at the top of the side-opening air door, a rack with a downward tooth surface is arranged at the bottom of the side-opening air door, and a final gear meshed with the rack is rotatably connected with the air door outer box body;
the final gear is connected with a transmission device for driving the side-opening air door to horizontally reciprocate;
the dust removing device is arranged on the inner side of the bottom of the air door outer box body, a plurality of dust removing holes positioned on the bottom of one side of the air door box body close to the ventilator are uniformly formed in the dust removing device, the bottom of the air door box body is rotationally connected with a dust removing shaft which is positioned at the same height as the dust removing holes, a plurality of groups of spiral sheets are discontinuously arranged on the dust removing shaft along the interval position of the dust removing holes, a transmission case is arranged in the middle of the dust removing shaft, the dust removing shaft penetrates through the transmission case and can rotate relative to the transmission case, and a hand driving device for driving the dust removing shaft to rotate is arranged in the transmission case.
By adopting the technical scheme, the top suspension is adopted, the side opening type air door is opened and closed through the transmission device, dust deposition and rope biting accidents are prevented, dust is easily accumulated at the bottom of the air door, the bottom of the air door is dedusted through the dedusting holes arranged at the bottom of the air door, the dedusting shaft is driven to rotate through the hand driving device, multiple groups of spiral sheets on the dedusting shaft collect scattered dust at all positions in autorotation and convey the dust to all groups of dedusting holes, and workers can conveniently clean the dust regularly;
preferably, the transmission device comprises an explosion-proof motor which is fixedly arranged, an output shaft of the explosion-proof motor is connected with a worm, a worm wheel meshed with the worm is rotationally connected to the air door box body, a main straight gear is coaxially connected to the worm wheel through a main transmission shaft, and a slave straight gear meshed with the main straight gear is coaxially connected to the final gear through a slave transmission shaft.
Through adopting above-mentioned technical scheme, drive worm rotation when explosion-proof motor rotates, worm and then drive worm wheel rotation, worm wheel drive main straight-tooth wheel through the main drive shaft and rotate, main straight-tooth wheel and from straight-tooth wheel intermeshing drive their rotation, drive the inside last gear rotation of box from the straight-tooth wheel through from the transmission shaft, and then drive and last gear engagement's rack removes to realize opening and close of air door.
Preferably, the emergency driving device further comprises a manual driving device for the emergency driving transmission device, wherein the manual driving device comprises a clutch coaxially connected with the worm, and the clutch is connected with a throttle transmission hand wheel.
Through adopting above-mentioned technical scheme, if explosion-proof motor breaks down, the accessible clutch of air door drive hand wheel drives the worm and rotates, and then drives the worm wheel and rotate, and worm wheel and main straight-line gear are coaxial, so main straight-line gear rotate with the rotational speed along with the worm wheel, and then drive with main straight-line gear engagement from the straight-line gear rotation, from the straight-line gear through connecting the inside and outside end gear rotation that drives the inside end gear of box of transmission shaft drive box, and then drive and end gear engagement's rack removes to manual realization air door opens and close.
Preferably, the hand driving device comprises a main bevel gear rotationally connected with the transmission case, the main bevel gear is coaxially connected with an inner hexagonal shaft positioned outside the transmission case, a slave bevel gear meshed with the main bevel gear is coaxially fixed in the middle of the dust removing shaft, and the inner hexagonal shaft is detachably connected with a hexagonal wrench.
By adopting the technical scheme, after the main ventilator is switched, the air door at the air stopping side is in a closed state, and dust removal is performed at the moment. Opening the window and exposing the dust removal hole, cooperating hexagonal spanner and interior hexagonal axle, rocking hexagonal spanner and driving the main bevel gear in the transmission case through interior hexagonal axle and rotate, and then drive and rotate rather than the meshing from bevel gear, can drive the dust removal axle rotation of both sides after rotating from bevel gear, can take the dust to dust removal hole department through the flight when the dust removal axle rotates, just can clear away the dust with the shovel, after the dust removal is accomplished, pulls out hexagonal spanner, closes the dust removal hole window, keep sealed can.
Preferably, the air door outer box body is wrapped with an anti-freezing device, and the anti-freezing device comprises a plurality of groups of box body explosion-proof eddy current heating devices inlaid on the surface of the air door outer box body.
Through adopting above-mentioned technical scheme, after the main ventilation blower stops wind and the air door is closed, be close to the air temperature of air shaft one side high, be close to main ventilation blower one side temperature low for the air door top, bottom track, the side that are close to air shaft one side appear freezing, make the unable switching of air door, inlay the explosion-proof electric vortex heating device of box in the door frame recess on air door box surface, will expose the air door box outside the wind channel and wrap up with the explosion-proof electric vortex heating device of box entirely, effectively prevent that the air door of box inside from freezing winter.
Preferably, a drainage device is arranged at the bottom of the outer box body of the air door, and the drainage device comprises a drainage groove and a drainage groove vortex heating device.
Through adopting above-mentioned technical scheme, ponding problem that current air door exists, because fan suction effect during ventilation, steam concentrates in main ventilation blower blade pressure one side, ponding loses main ventilation blower pressure effect after stopping the wind and gathers in the unable discharge of air door bottom track department, the water drainage tank that the air door bottom set up, during ventilation because fan suction effect, steam is discharged from the diffusion tower through main ventilation blower, ponding loses the water drainage tank outflow in fan pressure effect follow air door box bottom after stopping the wind to cooperate water drainage tank vortex heating device to prevent that water in the water drainage tank from icing.
Preferably, a water draining heat-insulating layer is arranged outside the water draining groove, and an explosion-proof heat-insulating layer is arranged outside the air door outer box body.
By adopting the technical scheme, the temperature generated by heating is reserved by the drainage heat-insulating layer and the explosion-proof heat-insulating layer, so that the anti-freezing performance in winter is improved.
Preferably, two sides of the side-opening air door are respectively provided with an in-place switch.
Through adopting above-mentioned technical scheme, the air door both sides set up the switch in place, ensure that the air door is closed completely, avoid appearing the air leakage, ensure the leakproofness of air door.
Preferably, the air door outer box body is provided with an inspection window positioned at the top of the side-opening air door.
By adopting the technical scheme, the inspection window is convenient for the staff to inspect the air door, and the structure is further optimized.
In conclusion, the invention has the following beneficial effects,
1. The bottom of the air door is provided with a dust removing device, and the air door which is stopped after the switching of the main ventilator is completed can be removed conveniently and quickly;
2. the electric vortex heating device is used for heating the water draining groove and the box body outside the air door, and the air door and the water draining groove are matched with the heat insulation layer, so that the problems of deicing and freezing prevention of the air door and the water draining groove are effectively solved;
3. the side open type air door structure is matched with the in-place switch, the tooth surface of the rack is downward, dust accumulation can be effectively avoided, and the bottom dust is prevented from blocking the track through the cooperation of the top suspension and the bottom travelling wheel, so that the in-place performance and the stability of the operation of the side open type air door are ensured.
Drawings
FIG. 1 is an overall schematic diagram of a mine tunnel ventilation system;
fig. 2 is a schematic diagram showing a structure of a drainage device according to the present embodiment;
FIG. 3 is a schematic view showing the structure of the side surface of the damper in the present embodiment;
FIG. 4 is a schematic diagram showing the structure of a transmission device according to the present embodiment;
fig. 5 is a schematic structural diagram of the dust removing device in the present embodiment;
fig. 6 is a schematic structural view showing an antifreezing device in the present embodiment;
fig. 7 is a schematic structural diagram for representing a hand driving device in this embodiment.
In the figure, 1, an air duct; 2. a first air duct; 3. a damper; 4. an air door outer box; 5. a second air duct; 6. an explosion-proof motor; 7. a final gear; 8. a rack; 9. a walking wheel track; 10. an inspection window; 11. a walking wheel; 12. an in-place switch; 13. a slave drive shaft; 14. an explosion-proof motor base; 15. a drainage channel; 16. a drainage tank vortex heating device; 17. a water drainage heat preservation layer; 18. an explosion-proof electric vortex heating device; 19. an explosion-proof heat-insulating layer; 20. dust removal holes; 21. a dust removal device; 22. an inner hexagonal shaft; 23. a transmission case; 24. a hexagonal wrench; 25. a main bevel gear; 26. a slave bevel gear; 27. a slave spur gear; 28. a main spur gear; 29. an air door transmission hand wheel; 30. a clutch; 31. a worm wheel; 32. a main drive shaft; 33. a worm; 34. a dust removal shaft; 35. a spiral sheet; 36. a transmission device; 37. a hand drive device; 38. a drainage device; 39. a manual driving device; 40. an antifreezing device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment, a dustproof ponding air door 3 that prevents for colliery main ventilation system, as shown in fig. 1, set up in wind channel 1, including first dryer 2 and second dryer 5 in the wind channel 1, be equipped with in the wind channel 1 and be located the side open air door 3 between first dryer 1 and second dryer 5.
As shown in fig. 2 and 3, two sides of the side-opening air door 3 are respectively provided with an in-place switch 12, an air door outer box 4 communicated with the air duct 1 is fixed outside, the top of the side-opening air door 3 is provided with a plurality of travelling wheels 11, the bottom of the side-opening air door 3 is provided with a rack 8, the rack 8 is arranged at a position 1.1 m away from the ground, the installation and maintenance are convenient, the tooth surface of the rack 8 faces downwards, and dust accumulation is avoided. The air door outer box body 4 is rotatably connected with a final gear 7 meshed with the rack 8, and the final gear 7 is connected with a transmission device 36 for driving the side-opening air door 3 to horizontally reciprocate.
As shown in fig. 2 and 4, the transmission device 36 comprises an explosion-proof motor 6 fixedly arranged, an explosion-proof motor base 14 is arranged at the bottom of the explosion-proof motor 6, a worm 33 is connected to an output shaft of the explosion-proof motor 6, a worm wheel 31 meshed with the worm 33 is rotatably connected to a box body of the air door 3, a main straight gear 28 is coaxially connected to the worm wheel 31 through a main transmission shaft 32, and a secondary straight gear 27 meshed with the main straight gear 28 is coaxially connected to the final gear 7 through a secondary transmission shaft 13. When the explosion-proof motor 6 rotates, the worm 33 is driven to rotate, the worm 33 further drives the worm wheel 31 to rotate, the worm wheel 31 drives the main straight gear 28 to rotate through the main transmission shaft 32, the main straight gear 28 and the auxiliary straight gear 27 are meshed with each other to drive the main straight gear 28 to rotate, the auxiliary straight gear 27 drives the tail gear 7 in the box body to rotate through the auxiliary transmission shaft 13, and then the rack 8 meshed with the tail gear 7 is driven to move, so that the opening and closing of the air door 3 are realized. The top suspension is adopted, the side opening type air door 3 is opened and closed through the transmission device 36, dust deposition and rope biting accidents are prevented, dust is easily accumulated at the bottom of the air door 3, and bottom dust is removed through the dust removing holes 20 formed in the bottom of the air door 3.
As shown in fig. 4, if the explosion-proof motor 6 fails, the damper 3 is not easy to start, and the embodiment further includes a manual driving device 39 for emergency driving the transmission device 36, where the manual driving device 39 includes a clutch 30 coaxially connected with the worm 33, and the clutch 30 is connected with a transmission hand wheel of the damper 3. The transmission hand wheel of the air door 3 can drive the worm 33 to rotate through the clutch 30, so that the worm wheel 31 is driven to rotate, the worm wheel 31 is coaxial with the main straight gear 28, so that the main straight gear 28 rotates along with the worm wheel 31 at the same rotating speed, the driven straight gear 27 meshed with the main straight gear 28 is driven to rotate, the driven straight gear 27 drives the tail gear 7 in the box body to rotate through the driven transmission shaft 13 connected with the inside and the outside of the box body, and the rack 8 meshed with the tail gear 7 is driven to move, so that the air door 3 is manually opened and closed.
As shown in fig. 5 and 6, in the operation of the air door 3, there is always a problem that dust is accumulated inside the air door 3, the inner side of the bottom of the air door outer box 4 is provided with a dust removing device 21, the dust removing device 21 is uniformly provided with a plurality of dust removing holes 20 positioned at the bottom of one side of the air door 3, which is close to the ventilator, the bottom of the air door 3 is rotationally connected with a dust removing shaft 34 positioned at the same height as the dust removing holes 20, the dust removing shaft 34 is discontinuously provided with a plurality of groups of spiral sheets 35 at intervals along the dust removing holes 20, the middle part of the dust removing shaft 34 is provided with a transmission case 23 (refer to fig. 7), and the dust removing shaft 34 penetrates through the transmission case 23 and can rotate relative to the transmission case 23.
As shown in fig. 5 and 7, a hand drive device 37 for driving the dust removal shaft 34 to rotate is provided in the transmission case 23. The hand driving device 37 comprises a main bevel gear 25 rotationally connected with the transmission case 23, the main bevel gear 25 is coaxially connected with an inner hexagonal shaft 22 positioned outside the transmission case 23, a slave bevel gear 26 meshed with the main bevel gear 25 is coaxially fixed in the middle of the dust removing shaft 34, and the inner hexagonal shaft 22 is detachably connected with a hexagonal wrench 24. After the main ventilator is switched, the air door 3 at the air stopping side is in a closed state, and dust removal is performed at the moment. The inspection window 10 positioned at the top of the side-open air door 3 is arranged on the air door outer box body 4, the dust removing hole 20 is exposed by opening the window, the hexagonal wrench 24 is matched with the inner hexagonal shaft 22, the hexagonal wrench 24 is rocked to drive the main bevel gear 25 in the transmission box 23 to rotate through the inner hexagonal shaft 22, then the driven bevel gear 26 meshed with the hexagonal wrench is driven to rotate, the dust removing shafts 34 on two sides are driven to rotate after the driven bevel gear 26 rotates, dust is brought to the dust removing hole 20 through the spiral piece 35 when the dust removing shafts 34 rotate, the dust can be removed by a shovel, after dust removal is completed, the hexagonal wrench 24 is pulled out, the window of the dust removing hole 20 is closed, and sealing is kept.
As shown in fig. 2, the bottom of the damper outer box 4 is provided with a drainage device 38, the drainage device 38 comprises a drainage groove 15 and a drainage groove vortex heating device 16, and a drainage heat insulation layer 17 is arranged outside the drainage groove 15. The ponding problem that current air door 3 exists, because fan suction effect during ventilation, steam concentrates in main ventilation blower blade pressure one side, ponding loses main ventilation blower pressure effect after the stopping of wind and accumulates in the unable discharge of air door 3 bottom track department, because fan suction effect of setting up in air door 3 bottom, steam is discharged from the diffusion tower through main ventilation blower during ventilation, ponding loses the fan pressure effect and flows out in the water drainage tank 15 of air door 3 box bottom after the stopping of wind to cooperation water drainage tank vortex heating device 16 prevents the water in the water drainage tank 15 from icing.
As shown in fig. 1 and 6, the damper outer case 4 is wrapped with an anti-freezing device 40, and the anti-freezing device 40 includes a plurality of sets of case explosion-proof eddy current heating devices 18 embedded on the surface of the damper outer case 4. An explosion-proof heat-insulating layer 19 is arranged outside the air door outer box body 4. After the main ventilator stops wind and the air door 3 is closed, the temperature of the air close to one side of the air shaft is high, the temperature of the air close to one side of the main ventilator is low, so that the top, the bottom track and the side face of the air door 3 close to one side of the air shaft are frozen, the air door 3 cannot be opened or closed, the explosion-proof electric vortex heating device 18 of the box body is embedded in the door frame groove on the box body surface of the air door 3, the air door 3 box body exposed outside the air duct 1 is fully wrapped by the explosion-proof electric vortex heating device 18 of the box body, and the air door 3 inside the box body is effectively prevented from freezing in winter.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Claims (7)
1. A dustproof ponding air door that prevents for colliery main ventilation system sets up in wind channel (1), its characterized in that: a side-open air door (3) is arranged in the air duct (1), an air door outer box body (4) communicated with the air duct (1) is fixed outside the air duct (1), a plurality of travelling wheels (11) are arranged at the top of the side-open air door (3), a rack (8) with a downward tooth surface is arranged at the bottom of the side-open air door (3), and a final gear (7) meshed with the rack (8) is rotationally connected with the air door outer box body (4);
the final gear (7) is connected with a transmission device (36) for driving the side-opening air door (3) to horizontally reciprocate;
the dust removing device is characterized in that a dust removing device (21) is arranged on the inner side of the bottom of the outer box body (4) of the air door, a plurality of dust removing holes (20) which are positioned at the bottom of one side of the box body of the air door (3) and close to the ventilator are uniformly formed in the dust removing device (21), a dust removing shaft (34) which is positioned at the same height as the dust removing holes (20) is rotationally connected to the bottom of the box body of the air door (3), a plurality of groups of spiral sheets (35) are discontinuously arranged at intervals of the dust removing shaft (34) along the dust removing holes (20), a transmission box (23) is arranged in the middle of the dust removing shaft (34), the dust removing shaft (34) penetrates through the transmission box (23) and can rotate relatively to the transmission box, and a hand driving device (37) for driving the dust removing shaft (34) to rotate is arranged in the transmission box (23);
the transmission device (36) comprises an explosion-proof motor (6) which is fixedly arranged, an output shaft of the explosion-proof motor (6) is connected with a worm (33), a worm wheel (31) meshed with the worm (33) is rotationally connected to the box body of the air door (3), the worm wheel (31) is coaxially connected with a main straight gear (28) through a main transmission shaft (32), and the final gear (7) is coaxially connected with a secondary straight gear (27) meshed with the main straight gear (28) through a secondary transmission shaft (13);
the hand drive device (37) comprises a main bevel gear (25) rotationally connected with the transmission case (23), the main bevel gear (25) is coaxially connected with an inner hexagonal shaft (22) positioned outside the transmission case (23), a slave bevel gear (26) meshed with the main bevel gear (25) is coaxially fixed in the middle of the dust removal shaft (34), and the inner hexagonal shaft (22) is detachably connected with a hexagonal wrench (24).
2. A dust and water trap door for a main ventilation system of a coal mine as claimed in claim 1, wherein: the emergency driving device is characterized by further comprising a manual driving device (39) for emergency driving the transmission device (36), wherein the manual driving device (39) comprises a clutch (30) coaxially connected with the worm (33), and the clutch (30) is connected with a throttle (3) transmission hand wheel.
3. A dust and water trap door for a main ventilation system of a coal mine as claimed in claim 1, wherein: the anti-freezing device (40) is wrapped on the air door outer box body (4), and the anti-freezing device (40) comprises a plurality of groups of box explosion-proof eddy current heating devices (18) inlaid on the surface of the air door outer box body (4).
4. A dust and water trap door for a main ventilation system of a coal mine as claimed in claim 1, wherein: the bottom of the air door outer box body (4) is provided with a drainage device (38), and the drainage device (38) comprises a drainage groove (15) and a drainage groove vortex heating device (16).
5. A dust and water trap door for a main ventilation system of a coal mine as claimed in claim 4, wherein: the outside of the drainage groove (15) is provided with a drainage heat-insulating layer (17), and the outside of the air door outer box body (4) is provided with an explosion-proof heat-insulating layer (19).
6. A dust and water trap door for a main ventilation system of a coal mine as claimed in claim 1, wherein: two sides of the side open type air door (3) are respectively provided with an in-place switch (12).
7. A dust and water trap door for a main ventilation system of a coal mine as claimed in claim 1, wherein: the air door outer box body (4) is provided with an inspection window (10) positioned at the top of the side-opening air door (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910500437.4A CN110242341B (en) | 2019-06-11 | 2019-06-11 | A dustproof ponding air door that prevents for colliery main ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910500437.4A CN110242341B (en) | 2019-06-11 | 2019-06-11 | A dustproof ponding air door that prevents for colliery main ventilation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110242341A CN110242341A (en) | 2019-09-17 |
| CN110242341B true CN110242341B (en) | 2024-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910500437.4A Active CN110242341B (en) | 2019-06-11 | 2019-06-11 | A dustproof ponding air door that prevents for colliery main ventilation system |
Country Status (1)
| Country | Link |
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| CN (1) | CN110242341B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003120199A (en) * | 2001-10-12 | 2003-04-23 | Mitsui Miike Mach Co Ltd | Ventilation system in tunnel construction |
| CN201486584U (en) * | 2009-06-13 | 2010-05-26 | 无锡飞逸电力设备制造有限公司 | Electric side open wind door |
| CN202544893U (en) * | 2012-03-21 | 2012-11-21 | 山西潞安环保能源开发股份有限公司 | Power-driven opposed box-type air door |
| CN204283471U (en) * | 2014-12-01 | 2015-04-22 | 山西省安瑞风机电气有限公司 | A kind of coal mine ground main fan air door |
| CN206571521U (en) * | 2017-03-29 | 2017-10-20 | 耿硕浩 | A kind of suspension type Coal Mine Ventilator throttle setting |
| KR101787325B1 (en) * | 2017-05-26 | 2017-11-15 | (주)케이씨이피중공업 | Dry type vacuum dust collection truck |
| CN108678796A (en) * | 2018-06-26 | 2018-10-19 | 宁波沸柴机器人科技有限公司 | A kind of coal mine wind-proof device |
| CN211081945U (en) * | 2019-06-11 | 2020-07-24 | 太原理工大学 | A prevent dust and prevent ponding air door for coal mine main ventilation system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8884760B2 (en) * | 2012-07-20 | 2014-11-11 | American Mine Door Co. | Control system for mine ventilation door |
-
2019
- 2019-06-11 CN CN201910500437.4A patent/CN110242341B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003120199A (en) * | 2001-10-12 | 2003-04-23 | Mitsui Miike Mach Co Ltd | Ventilation system in tunnel construction |
| CN201486584U (en) * | 2009-06-13 | 2010-05-26 | 无锡飞逸电力设备制造有限公司 | Electric side open wind door |
| CN202544893U (en) * | 2012-03-21 | 2012-11-21 | 山西潞安环保能源开发股份有限公司 | Power-driven opposed box-type air door |
| CN204283471U (en) * | 2014-12-01 | 2015-04-22 | 山西省安瑞风机电气有限公司 | A kind of coal mine ground main fan air door |
| CN206571521U (en) * | 2017-03-29 | 2017-10-20 | 耿硕浩 | A kind of suspension type Coal Mine Ventilator throttle setting |
| KR101787325B1 (en) * | 2017-05-26 | 2017-11-15 | (주)케이씨이피중공업 | Dry type vacuum dust collection truck |
| CN108678796A (en) * | 2018-06-26 | 2018-10-19 | 宁波沸柴机器人科技有限公司 | A kind of coal mine wind-proof device |
| CN211081945U (en) * | 2019-06-11 | 2020-07-24 | 太原理工大学 | A prevent dust and prevent ponding air door for coal mine main ventilation system |
Non-Patent Citations (1)
| Title |
|---|
| 矿井风门全自动互锁系统研制;龚杰;杨少峰;彭浩;;电子设计工程(第06期);76-79 * |
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