CN111691838A - Dust-proof device for coal mine drilling - Google Patents
Dust-proof device for coal mine drilling Download PDFInfo
- Publication number
- CN111691838A CN111691838A CN202010575571.3A CN202010575571A CN111691838A CN 111691838 A CN111691838 A CN 111691838A CN 202010575571 A CN202010575571 A CN 202010575571A CN 111691838 A CN111691838 A CN 111691838A
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- China
- Prior art keywords
- box body
- slag
- drilling
- coal mine
- rod
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- 238000005553 drilling Methods 0.000 title claims abstract description 78
- 239000003245 coal Substances 0.000 title claims abstract description 33
- 239000002893 slag Substances 0.000 claims abstract description 51
- 239000000428 dust Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000003063 flame retardant Substances 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 28
- 238000007599 discharging Methods 0.000 claims description 19
- 230000002265 prevention Effects 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 7
- 239000013049 sediment Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 13
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 239000000779 smoke Substances 0.000 description 7
- 238000004880 explosion Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
- E21B21/015—Means engaging the bore entrance, e.g. hoods for collecting dust
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B12/00—Accessories for drilling tools
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B12/00—Accessories for drilling tools
- E21B12/06—Mechanical cleaning devices
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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
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
Abstract
The invention discloses a dust-proof device for coal mine drilling, which comprises a containing box body matched with a drill rod, wherein the drill rod penetrates through the containing box body to work, a slag body introduction end for the drill rod to penetrate out is arranged on the containing box body, the slag body introduction end is externally sleeved on the drill rod and connected with the containing box body, a gas discharge port communicated with a gas discharge channel is also arranged on the containing box body, dust, scraps and the like generated in the drilling process can be collected and treated through the containing box body, the problem of poor drilling environment is effectively solved, the safety in the drilling process is further improved by matching a support framework and a flame-retardant antistatic flexible material, the personal safety of workers is ensured, the splashing of the slag body is effectively prevented through the arranged slag body introduction end, the difficulty in cleaning in the later stage of the site is greatly reduced, and the drilling work can be continuously carried out through arranging a slag discharge mechanism, further improving the working efficiency.
Description
Technical Field
The invention relates to the field of coal mine drilling, in particular to a dustproof device for coal mine drilling.
Background
Coal mine gas disasters are the first killer of coal mining in China, and coal mine gas is pumped and discharged by drilling towards the deep part of a coal seam and is a main means for coal mine gas control. The drill hole plays an important role in preventing and controlling coal bed gas outburst, measures and effects of a working face are tested from regional outburst prediction, and the effect of the drill hole penetrates through the whole comprehensive outburst prevention measure process. In addition, drilling construction is involved in the aspects of coal seam basic parameter determination and the like.
The traditional open type drilling construction process under the coal mine mainly has two problems: (1) the dust concentration is large, and the health of operators is influenced. During drilling construction, a drill bit rotates to cut a coal seam to generate a large amount of dust, operators inhale the dust for a long time and are prone to pneumoconiosis, and the dust can also cause interference to underground instruments and equipment. (2) The gas emission amount is large, coal around a drill hole is broken and pressure is relieved during drilling construction, desorbed gas can be emitted along the drill hole, if the gas content and the gas pressure of a coal seam are large, the gas is easy to spray hole top drilling, a large amount of desorbed gas can be emitted from the drill hole during spraying holes, so that local gas is over-limited, and at present, the spraying hole phenomenon becomes more frequent along with the continuous increase of the coal mining depth.
However, if the existing closed drilling mode is adopted, there are several problems to be solved: firstly, the closed drilling process is relatively complex, a large amount of drilling cuttings are generated in the drilling process, the deslagging is difficult, and secondly, the drilling cuttings and gas output are generally in a pulsating mode, and a huge capacity space is needed. If the hard metal material is adopted, the problems that equipment is large, heavy in weight, occupies space and is difficult to carry are considered, hidden dangers such as gas explosion caused by spark generation and the like are prevented constantly in the drilling process, the underground drilling site space is limited, and construction conditions can be limited due to the fact that the equipment is too large.
Therefore, in order to solve the above problems, a dust-proof device for drilling in coal mines is needed, which can be conveniently used in underground drilling sites and reduce gas explosion caused by drilling dust removal equipment.
Disclosure of Invention
In view of the above, the present invention is directed to overcome the defects in the prior art, and provides a dust-proof device for coal mine drilling, which can be conveniently used in an underground drilling site and reduce gas explosion caused by drilling dust-removing equipment.
The dust-proof device for coal mine drilling comprises a containing box body used for being matched with a drill rod, wherein the drill rod penetrates through the containing box body to work, a slag body introducing end through which the drill rod penetrates is arranged on the containing box body, the slag body introducing end is sleeved outside the drill rod and connected with the containing box body, and a gas discharge port used for being communicated with a gas discharge channel is further arranged on the containing box body.
Furthermore, the accommodating box body is provided with a slag discharging mechanism, and the accommodating box body is provided with a slag discharging port communicated with the slag discharging mechanism.
Further, hold the box including the braced frame and the dustcoat that are the box structure in braced frame's fire-retardant antistatic flexible material, hold the box and seted up fore-mouth and back-mouth along horizontal both sides to make the drilling rod run through in holding the box and carry out work, fore-mouth department is provided with the slag body introduction end that can form sealed relation with the drilling rod, it has seted up gas discharge port and is used for and gas discharge passageway intercommunication to hold the box top, it has seted up slag body discharge port and is used for and arranges sediment mechanism intercommunication to hold the bottom half.
Furthermore, a sealing sleeve used for sealing the tail end of the drill rod is arranged at the rear opening, and the sealing sleeve is sleeved outside the tail end of the drill rod and connected with the accommodating box body.
Furthermore, a hoop used for locking the tail end of the drill rod is arranged on the sealing sleeve.
Further, the slag body leading-in end is for connecting in the toper cover that holds the box overcoat in the body of rod, the toper cover is both ends open-ended funnel-shaped structure, the big bore of funnel-shaped structure is connected the fore-opening.
Furthermore, the smaller caliber of the funnel-shaped structure is connected with a transition piece, and the outer sleeve of the transition piece is used for sealing the slag body introduction end of the drill rod.
Further, the supporting framework comprises a supporting rod and a supporting frame, the supporting framework at least comprises two foldable supporting frames, and the supporting frames are connected through the supporting rod.
Further, hinge pin shafts are arranged at two end portions of the supporting rod, the supporting frame comprises four rod bodies hinged end to end through the hinge pin shafts, so that the supporting framework is of a foldable box-shaped structure, and the hinge pin shafts are used for fixing the supporting framework through the locking mechanism.
Further, the slag discharging mechanism comprises a support column and a collecting bag, the support column is connected to a hinge pin shaft at the bottom of the accommodating box body and used for supporting the accommodating box body, and the collecting bag is connected with a slag body discharging port through a sealing piece.
The invention has the beneficial effects that: according to the dust-proof device for coal mine drilling, dust, scraps and the like generated in the drilling process can be collected and processed through the accommodating box body, the problem of poor drilling environment is effectively solved, the safety in the drilling process is further improved by matching the supporting framework and the flame-retardant antistatic flexible material, the personal safety of workers is guaranteed, the splashing of slag bodies is effectively prevented by the arranged slag body leading-in end, the difficulty in cleaning in the later stage of a site is greatly reduced, the drilling work can be continuously performed by arranging the slag discharging mechanism, and the working efficiency is further improved.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the present invention at A.
Detailed Description
Fig. 1 is a schematic structural diagram of the present invention, and fig. 2 is a schematic structural diagram of a part a of the present invention, and as shown in the drawings, the dust-proof device for coal mine drilling in the present embodiment includes a receiving box body for cooperating with a drill rod, the drill rod runs through the receiving box body to operate, the receiving box body is provided with a slag body introduction end through which the drill rod passes, the slag body introduction end is externally sleeved on the drill rod and connected with the receiving box body, and the receiving box body is further provided with a gas discharge port for communicating with a gas discharge channel. Can be to the dust that drills the in-process production through holding the box, the piece etc. is collected the processing, the effectual problem of drilling the environment difference of having solved, in the rig use, the drilling rod runs through in whole box that holds, and wear out at the drilling rod and hold the box position and be provided with the slag body introduction end, can effectively prevent to drill the condition that the in-process bits of broken glass splashes, and be more convenient for collect the piece in holding the box, make the clearance of drilling the scene become simple, the gas discharge port with gas discharge channel intercommunication then can be timely will be drilled the gas that the in-process produced and in time carry away, avoid appearing gas concentration too big, cause the condition of explosion easily.
In this embodiment, the accommodating box body is provided with a slag discharging mechanism, and the accommodating box body is provided with a slag discharging port communicated with the slag discharging mechanism. The slag discharging mechanism is arranged, so that drilling work can be continuously carried out, and the working efficiency is further improved.
In this embodiment, the box that holds includes the braced frame that is the box structure and dustcoat in the flexible material of fire-retardant antistatic of braced frame, the box that holds has seted up front opening and back mouth along horizontal both sides, transversely be box structure length direction promptly for make the drilling rod run through in holding the box and carry out work, front opening department is provided with the slag body introduction end that can form sealed relation with the drilling rod, hold the box top and seted up the gas discharge mouth and be used for with gas discharge channel intercommunication, hold the bottom half and seted up the slag body discharge mouth and be used for with slag extractor intercommunication. The containing box body can also be set into a spherical box body or other box body structures with containing effect, which are not described herein any more, the front opening and the rear opening which are arranged at the two sides of the containing box body along the transverse direction are beneficial to the use of the drill rod in the containing box body, wherein the front opening and the rear opening are circle centers and are arranged on the same axis and are circular holes made of flame-retardant antistatic flexible materials, the front opening and the rear opening have the same size and are larger than the size of the drill rod, certainly, for different drilling machines or different drilling environments, the size and the position of the front opening and the rear opening can be adjusted according to actual conditions, so that the drill rod has good drilling space, which is not described herein any more, the slag body leading-in end which is hermetically connected with the front opening is beneficial to containing all the scraps and smoke dust generated during drilling in the containing box body, thereby improving the sealing performance of the containing box body, and simultaneously ensuring that the scraps and the like sprayed, the gas discharge port is connected with the gas discharge passage through a sealing pipeline 3, the sealing pipeline 3 is connected with the gas discharge port and the gas discharge passage and is provided with a rubber gasket for preventing the smoke dust in the box body from leaking, the surface of the rubber gasket is wrapped by a flame-retardant antistatic flexible material, and the safety factor of the device is improved.
In this embodiment, back mouth department is provided with the seal cover 4 that is used for sealing the drilling rod end, 4 overcoat of seal covers hold the box in drilling rod end connection, seal cover 4 is made by fire-retardant antistatic flexible material, be provided with the clamp that is used for locking the drilling rod end on the seal cover 4. The sealing sleeve 4 is sleeved at the tail end of the drill rod and is locked and sealed through a clamp 41, so that a closed structure is formed inside the containing box body, the drill rod sealed in the containing box body can work normally at the moment, the sealing sleeve 4 is of a cylindrical structure and is of a wavy fluctuation structure along the outer surface of the axial section of the sealing sleeve 4, the structure is favorable for improving the bending resistance of the sealing sleeve 4 and reserving a space during adjustment, the phenomenon that the connecting position is dragged to cause gas leakage to endanger the life safety of workers is avoided, the service life of the sealing sleeve 4 is prolonged, the sealing sleeve 4 made of flame-retardant antistatic flexible materials is high in deformability and convenient to use the drill rod, and as is well known, in the coal mine drilling process, as the spray hole phenomenon happens occasionally, the drill rod needs to be adjusted continuously, at the moment, if the drill rod is separated from the drilling environment, and the smoke and dust is big, and gas concentration is high, if adopt the material that easily produces spark or static this moment, then very easily take place gas explosion's danger, not only need carry out the shutoff to drilling rod terminal department based on this, guarantee staff's safety moreover, in order to prevent the piece of production to fly to hinder the people and hold the leakage of the inside gas of box and smoke and dust, adopt fire-retardant antistatic flexible material then to further improve this factor of safety that holds the box, accomplish zero hidden danger, 41 internal surfaces of clamp are provided with the elastic rubber layer, in order to be adapted to not unidimensional rig, elastic rubber layer surface package has fire-retardant antistatic flexible material, improves the factor of safety of this device, has the effect at sealed drilling rod terminal simultaneously, 41 tip of clamp is provided with the locking boss that supplies bolt locking.
In the embodiment, the slag body leading-in end is a conical sleeve 5 which is connected with the outer sleeve of the containing box body and sleeved on the rod body, the conical sleeve 5 is of a funnel-shaped structure with openings at two ends, the larger caliber of the funnel-shaped structure is connected with a front opening, the conical sleeve 5 is connected with a rubber gasket which is arranged at the position of a drill rod outlet and used for preventing smoke dust in the dust removal device from leaking, the surface of the rubber gasket is wrapped with a flame-retardant antistatic flexible material, the safety coefficient of the device is improved, and the conical sleeve 5 is funnel-shaped, so that broken slag generated in the drilling process can be timely contained in the containing box body, the smaller caliber is directly attached to a mine wall, and the broken slag does not leak in the drilling process, so that the conical sleeve; the transition piece is connected to the position of the funnel-shaped structure with the smaller caliber, and the outer sleeve of the transition piece is used for sealing the slag body leading-in end of the drill rod. The transition piece is a rubber ring 51 with certain elastic force and sealing effect, the outer surface of the rubber ring 51 is wrapped with flame-retardant antistatic flexible material, so that the safety coefficient of the device is improved, the front opening can be sealed before the conical sleeve 5 contacts the mine wall by adopting the structure, the phenomenon of scattering of broken slag generated at the beginning of drilling is effectively prevented, the structure of the conical sleeve 5 is convenient for introducing the broken slag, and meanwhile, the caliber of the conical sleeve 5 is gradually increased from the mine wall to the inside of the containing box body, so that the gas is favorably flushed, and the discharge efficiency is improved; the taper sleeve 5 is made by ya keli material, and the surface cladding has fire-retardant antistatic flexible material, because the particularity that the taper sleeve 5 will contact with the ore wall, it must be by having certain rigidity, and the high preparation of durability, this embodiment adopts yakeli material to make, also can substitute by materials such as rigid plastics certainly, no longer gives details here, set up the fire-retardant antistatic flexible material of one deck again in the taper sleeve 5 outside then for the security of further guaranteeing to beat the drilling in-process.
In this embodiment, the supporting framework comprises a supporting rod 1 and a supporting frame, the supporting framework at least comprises two foldable supporting frames, and the supporting frames are connected through the supporting rod. The foldable support framework is adopted, on one hand, the whole accommodating box body is convenient to carry, on the other hand, the total volume of the accommodating box body can be controlled in installation and use, and meanwhile, the foldable support framework is suitable for a narrow drilling space, the flame-retardant antistatic material arranged on the support framework is used for avoiding the hidden danger of gas explosion such as static electricity and sparks generated in the drilling process, the dust removal device can be folded through the foldable support frame, the dust removal device is convenient to carry, of course, the support rod 1 can also be arranged into a foldable structure, the carrying volume is further reduced, or the support frame and/or the support rod 1 are/is arranged into a telescopic rod structure, the dust removal device has the effect of being convenient to carry by adjusting the telescopic size, and the repeated description is omitted; the support frame comprises four rod bodies hinged end to end through hinge pins, so that the support frame is of a foldable box-shaped structure, and the hinge pins are used for fixing the support frame through a locking mechanism. The accommodating box body comprises two supporting frames and four supporting rods 1 connected between the two supporting frames, the supporting frames can be made of a plurality of connecting rod bodies 2, the folding performance of the accommodating box body is further improved, the supporting frames are not repeated, the four rod bodies 2 are hinged end to form a quadrilateral structure, hinge pin shafts 11 of the hinge rod bodies 2 are arranged at two end parts of each supporting rod 1, the hinge pin shafts 11 fix a supporting framework through locking mechanisms, so that the supporting framework is a cuboid structure with a stable structure, gas leakage and unnecessary loss caused by the fact that drilling is affected by shaking of the supporting framework during drilling are avoided, the locking mechanisms are nuts 12, threads matched with the nuts 12 are arranged on the hinge pin shafts 11, rubber gaskets for preventing smoke dust leakage in a dust removal device are further arranged at the bottoms of the nuts 12, and flame-retardant antistatic flexible materials are wrapped on the surfaces of the rubber gaskets, the safety coefficient of the device is improved, and the locking mechanism can also be a hoop clamped in the circumferential direction of the hinge pin shaft 11, so that the supporting framework has a stable structure; or hinge pin axle 11 passes through elastic component joint support pole 1, the elastic component is kept away from 1 tip of bracing piece and is provided with the pulling pin, the elastic component has the elastic force that makes the pulling pin support in the carriage, and the stability of supporting framework can be guaranteed equally to this type of structure, and such as this type of structure that sets up on bracing piece 1 and/or carriage, the homoenergetic plays the effect of stable support skeleton, no longer gives unnecessary details here, supporting framework is made by ya keli material, has excellent fire prevention antistatic behavior when guaranteeing supporting structure rigidity.
In this embodiment, the slag discharging mechanism comprises a support column 6 and a collecting bag 7, the support column 6 is connected to a hinge pin shaft 11 at the bottom of the accommodating box body for supporting the accommodating box body, and the collecting bag 7 is connected with a slag discharging port through a sealing piece. The sealing element is a connecting pipe 71 made of flame-retardant antistatic flexible material, a rubber gasket for preventing smoke dust in the accommodating box body from leaking is arranged at the joint of the connecting pipe 71 and the collecting bag 7, the surface of the rubber gasket is wrapped by the flame-retardant antistatic flexible material, the safety coefficient of the device is improved, the collecting bag is made of the flame-retardant antistatic flexible material, a strapping rope 72 for sealing a discharging port of a deslagging body and an opening of the collecting bag 7 is further arranged outside the connecting pipe 71 and the collecting bag 7, so that after the slag body is collected by the collecting bag, the accommodating box body and the collecting bag 7 are sealed by the strapping rope, the collecting bag 7 is taken down and then the drilling work is continued, the drilling efficiency is improved, meanwhile, the leakage of gas during the replacement of the collecting bag is further prevented, the safety of workers is improved, one end of the supporting upright post 6, which is connected with the accommodating box body, is provided with, so that the support post has the effect of stably holding the box structure when supporting and holding the box, further improves the security and the stability that the device used, slag extractor still can be for having the sealed box of slide rail, sealed box is connected with the slag discharging port and is collected, or other seal structure that have the function of collecting, and it is no longer repeated here.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. The utility model provides a coal mine is drilled and is used dust keeper which characterized in that: including being used for holding the box with drilling rod complex, the drilling rod runs through in holding the box and carry out work, it introduces the end to be provided with the sediment body that supplies the drilling rod to wear out on the box to hold, sediment body introduction end overcoat is connected in the drilling rod and is held the box, it still is provided with the gas discharge port that is used for with gas discharge channel intercommunication on the box to hold.
2. The coal mine drilling dust prevention device according to claim 1, characterized in that: the accommodating box body is provided with a slag discharging mechanism, and the accommodating box body is provided with a slag discharging port communicated with the slag discharging mechanism.
3. The coal mine drilling dust prevention device according to claim 2, characterized in that: the accommodating box body comprises a supporting framework of a box-shaped structure and an outer cover made of flame-retardant antistatic flexible material, a front opening and a rear opening are formed in the accommodating box body along the transverse two sides, so that a drill rod can run through the accommodating box body to work, a slag body introducing end capable of forming a sealing relation with the drill rod is arranged at the front opening, a gas discharge opening is formed in the top of the accommodating box body and is communicated with a gas discharge channel, and a slag body discharge opening is formed in the bottom of the accommodating box body and is communicated with a slag discharge mechanism.
4. The coal mine drilling dust prevention device according to claim 3, characterized in that: the rear opening is provided with a sealing sleeve for sealing the tail end of the drill rod, and the sealing sleeve is sleeved outside the tail end of the drill rod and connected with a containing box body.
5. The coal mine drilling dust prevention device according to claim 4, characterized in that: and a clamp used for locking the tail end of the drill rod is arranged on the sealing sleeve.
6. The coal mine drilling dust prevention device according to claim 3, characterized in that: the slag body inlet end is connected in the toper cover that holds the box overcoat in the body of rod, the toper cover is both ends open-ended funnel-shaped structure, the front opening is connected to the great bore of funnel-shaped structure.
7. The coal mine drilling dust prevention device according to claim 6, characterized in that: the transition piece is connected to the position of the funnel-shaped structure with the smaller caliber, and the outer sleeve of the transition piece is used for sealing the slag body leading-in end of the drill rod.
8. The coal mine drilling dust prevention device according to claim 3, characterized in that: the supporting framework comprises a supporting rod and a supporting frame, the supporting framework at least comprises two foldable supporting frames, and the supporting frames are connected through the supporting rod.
9. The coal mine drilling dust prevention device according to claim 8, characterized in that: the support frame comprises four rod bodies hinged end to end through hinge pins, so that the support frame is of a foldable box-shaped structure, and the hinge pins are used for fixing the support frame through a locking mechanism.
10. The coal mine drilling dust prevention device according to claim 9, characterized in that: the slag discharging mechanism comprises a support column and a collecting bag, the support column is connected to a hinge pin shaft at the bottom of the containing box body and is used for supporting the containing box body, and the collecting bag is connected with a slag body discharging port through a sealing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010575571.3A CN111691838A (en) | 2020-06-22 | 2020-06-22 | Dust-proof device for coal mine drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010575571.3A CN111691838A (en) | 2020-06-22 | 2020-06-22 | Dust-proof device for coal mine drilling |
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| CN111691838A true CN111691838A (en) | 2020-09-22 |
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| CN202010575571.3A Pending CN111691838A (en) | 2020-06-22 | 2020-06-22 | Dust-proof device for coal mine drilling |
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| CN202454966U (en) * | 2012-02-21 | 2012-09-26 | 上海宝灵超亚电器有限公司 | All-insulation box body of switching station |
| US20150252586A1 (en) * | 2014-03-05 | 2015-09-10 | Gary Schaefer | Tent frame coupler assembly |
| CN204200265U (en) * | 2014-10-09 | 2015-03-11 | 神华集团有限责任公司 | A kind of slag-draining device of the system that draws out methane |
| CN104278961A (en) * | 2014-10-21 | 2015-01-14 | 山西潞安矿业(集团)有限责任公司 | Anchor rod drilling dust collection device |
| CN204552809U (en) * | 2015-01-13 | 2015-08-12 | 义马煤业集团孟津煤矿有限责任公司 | Drill anti-spray orifice Pre-control System in a kind of colliery |
| CN104989291A (en) * | 2015-07-23 | 2015-10-21 | 德州联合石油机械有限公司 | Spline cardan shaft type screw drill |
| US20190024403A1 (en) * | 2017-07-24 | 2019-01-24 | Zingerlemetal Ag | Supporting framework and stabilizer device for a tent |
| CN208203184U (en) * | 2018-04-03 | 2018-12-07 | 淮北矿业股份有限公司 | A kind of hole pumping and mining dust-extraction unit |
| CN209040781U (en) * | 2018-09-06 | 2019-06-28 | 山西晋城无烟煤矿业集团有限责任公司 | Gas drilling drilling hole dust collector blowout hookup |
| CN209742819U (en) * | 2019-03-26 | 2019-12-06 | 彭仕学 | Gas slag drainage device |
| CN110374542A (en) * | 2019-08-02 | 2019-10-25 | 华北科技学院 | A kind of mine gas extraction drilling blowout prevention aperture apparatus |
| CN110965955A (en) * | 2020-01-07 | 2020-04-07 | 刘付领 | Dust and blowout prevention device for coal mine gas drainage |
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Application publication date: 20200922 |
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