CN108561077A - Mine jumbo and its dust removal integrated plant of drilling - Google Patents

Mine jumbo and its dust removal integrated plant of drilling Download PDF

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Publication number
CN108561077A
CN108561077A CN201810071101.6A CN201810071101A CN108561077A CN 108561077 A CN108561077 A CN 108561077A CN 201810071101 A CN201810071101 A CN 201810071101A CN 108561077 A CN108561077 A CN 108561077A
Authority
CN
China
Prior art keywords
dust
drilling
exhaust fan
dust removal
gathering arrester
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810071101.6A
Other languages
Chinese (zh)
Inventor
杨威
林明华
林柏泉
王皓
路长征
查伟
宋浩然
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China University of Mining and Technology CUMT
Original Assignee
China University of Mining and Technology CUMT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China University of Mining and Technology CUMT filed Critical China University of Mining and Technology CUMT
Priority to CN201810071101.6A priority Critical patent/CN108561077A/en
Publication of CN108561077A publication Critical patent/CN108561077A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/02Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
    • E21B21/015Means engaging the bore entrance, e.g. hoods for collecting dust
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00Rotary drilling
    • E21B3/02Surface drives for rotary drilling
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/02Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/025Rock drills, i.e. jumbo drills

Abstract

The invention discloses a kind of mine jumbo and its dust removal integrated plant of drilling, which includes:Drilling rod;Drill carriage motor, drill carriage motor drive rod boring to carry out work of drilling in the running;Dust gathering arrester, dust gathering arrester correspond to drilling rod setting;The air inlet of cyclone dust collectors, cyclone dust collectors is connected by dust removal pipe with dust gathering arrester;Exhaust fan, the inlet scoop of exhaust fan is connected by dust removal pipe with the air outlet of cyclone dust collectors, exhaust fan carries out be connected by power by transmission mechanism and drill carriage motor, wherein, drill carriage motor drives exhaust fan to operate in the running, it is dusted so that dust laden air caused by rod boring at dust gathering arrester to be evacuated in cyclone dust collectors, and the air after dedusting is evacuated to exhaust fan and is discharged with the exhaust outlet that will pass through exhaust fan.The apparatus according to the invention can not only ensure dust removing effects, additionally it is possible to the structure for simplifying mine jumbo, to improve flexibility and the ease of use of brill mine machine.

Description

Mine jumbo and its dust removal integrated plant of drilling
Technical field
The present invention relates to mining equipment technical field, more particularly to a kind of mine jumbo drill dust removal integrated plant and A kind of mine jumbo.
Background technology
When mining area carries out pneumatic dry drilling operation, has a large amount of dust and pour in working space.This can not only give work The health of people causes prodigious influence, can also acceleration mechanical device abrasion.More seriously, the coal dust in mine dust some Also there is combustion explosion, thus operation of drilling can be given to bring great security threat.
According to《Safety regulations in coal mine》The regulation on (2016 editions) the 600th May Day article, need to take dry drilling when drilling (eye), and take the measures such as deduster dedusting.Pneumatic dry dust-extraction unit on the market generally requires introducing in dedusting at present External impetus provides dedusting power for example, by using additional motor etc..The requirement of explosion proof of underground coal mine usually can all cause to drill The volume of equipment is more huge, and after the external impetus for introducing dust-extraction unit, the volume for equipment of drilling further increases, this leads Cause equipment of drilling can not be moved flexibly, and it is extremely inconvenient to operate with.
Invention content
The present invention is directed to solve one of the technical problem in above-mentioned technology at least to a certain extent.For this purpose, the present invention One purpose is to propose a kind of dust removal integrated plant of drilling of mine jumbo, can not only ensure dust removing effects, additionally it is possible to The structure for simplifying mine jumbo, to improve flexibility and the ease of use of brill mine machine.
Second object of the present invention is to propose a kind of mine jumbo.
In order to achieve the above objectives, the dust removal integrated dress of drilling for the mine jumbo that first aspect present invention embodiment proposes It sets, including:Drilling rod;Drill carriage motor, the drill carriage motor drive the rod boring to carry out work of drilling in the running;Dust Cover, the dust gathering arrester correspond to the drilling rod setting;Cyclone dust collectors, the air inlets of the cyclone dust collectors by dust removal pipe with The dust gathering arrester is connected;Exhaust fan, the outlet air that the inlet scoop of the exhaust fan passes through dust removal pipe and the cyclone dust collectors Mouth is connected, and the exhaust fan passes through transmission mechanism and the drill carriage motor carries out be connected by power, wherein the drill carriage motor exists It drives the exhaust fan to operate when operating, dust laden air caused by the rod boring at the dust gathering arrester is evacuated to described It is dusted in cyclone dust collectors, and the air after dedusting is evacuated to the exhaust fan will pass through the exhaust outlet of the exhaust fan Discharge.
The dust removal integrated plant of drilling of mine jumbo according to the ... of the embodiment of the present invention, by the way that sequentially connected dust is arranged Cover, cyclone dust collectors and exhaust fan, and using the drill carriage motor drive exhaust fan operating for driving rod boring, at dust gathering arrester Dust laden air caused by rod boring is evacuated in cyclone dust collectors and is dusted, and can not only ensure dust removing effects as a result, excellent Change the working environment for work of drilling, improve the safety for work of drilling, additionally it is possible to which the structure for simplifying mine jumbo is bored to improve Flexibility with mine machine and ease of use.
In addition, the dust removal integrated plant of drilling of the mine jumbo proposed according to the above embodiment of the present invention can also have Following additional technical characteristic:
Further, the dust removal integrated plant of drilling of the mine jumbo further includes:Gearbox, the gearbox Input shaft carries out be connected by power by transmission mechanism and the drill carriage motor, the output shaft of the gearbox and the exhaust fan into Action edge connects, and the gearbox is used to adjust the rotating speed of the exhaust fan.
Further, the dust removal integrated plant of drilling of the mine jumbo further includes:Dedusting strainer, the dedusting filter Net is arranged at the exhaust outlet of the exhaust fan, the dedusting strainer be used for the air of the exhaust outlet of exhaust fan discharge into Row filtering.
According to one embodiment of present invention, the cyclone dust collectors are multiple, and multiple cyclone dust collectors parallel connections connect It is connected between the dust gathering arrester and the exhaust fan.
According to one embodiment of present invention, the transmission mechanism includes conveyer belt or gear.
In order to achieve the above objectives, second aspect of the present invention embodiment proposes a kind of mine jumbo comprising the present invention the The dust removal integrated plant of drilling for the mine jumbo that one side embodiment proposes.
Mine jumbo according to the ... of the embodiment of the present invention not only has dedusting function, but also simple in structure, flexibility and use Convenience is higher.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description It obtains obviously, or by recognizing the practice of the present invention.
Description of the drawings
Fig. 1 is the structural schematic diagram according to the mine jumbo of one embodiment of the invention;
Fig. 2 is according to the drill carriage motor of one embodiment of the invention and the structural schematic diagram of exhaust fan;
Fig. 3 is according to the drill carriage motor of one embodiment of the invention and the structural schematic diagram of gearbox.
Reference numeral:
Drill carriage motor 1, drilling rod 2, crawler belt 3,
Dust gathering arrester 10, cyclone dust collectors 20, exhaust fan 30, dust removal pipe 40, transmission mechanism 50, dedusting strainer 60, speed change Case 70,
Wind wheel 31, conveyer belt 51.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
The mine jumbo of the embodiment of the present invention is described and its dust removal integrated plant of drilling below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram according to the mine jumbo of one embodiment of the invention.
As shown in Figure 1, the dust removal integrated plant of drilling of the embodiment of the present invention, including drill carriage motor 1 (it is not shown in Fig. 1, See Fig. 2 and Fig. 3), drilling rod 2, dust gathering arrester 10, cyclone dust collectors 20 and exhaust fan 30.Wherein, drill carriage motor is that flame-proof type is electronic Machine, drill carriage motor 1 can drive the drilling of drilling rod 2 to carry out work of drilling in the running.Mine jumbo may include supporting drill carriage ontology And the crawler belt 3 that drill carriage ontology can be driven to move.
Wherein, dust gathering arrester 10 corresponds to drilling rod 2 and is arranged;The air inlet of cyclone dust collectors 20 passes through dust removal pipe 40 and dust gathering arrester 10 are connected;The inlet scoop of exhaust fan 30 is connected by dust removal pipe 40 with the air outlet of cyclone dust collectors 20, exhaust fan 30 Be connected by power is carried out by transmission mechanism and drill carriage motor 1.When mine jumbo starts work, drill carriage motor 1 in the running may be used Drive exhaust fan 30 operate, by drilling rod 2 at dust gathering arrester 10 creep into caused by dust laden air be evacuated in cyclone dust collectors 20 into Row dedusting, and the air after dedusting is evacuated to exhaust fan 30 and is discharged with the exhaust outlet that will pass through exhaust fan 30.
In one embodiment of the invention, transmission mechanism may include conveyer belt or gear.
Referring to Figures 1 and 2, illustrate dust removal integrated plant of drilling so that transmission mechanism 50 is including conveyer belt 51 as an example below The course of work.Start in mine jumbo and to when coal wall internal drilling operation, drill carriage motor 1 while operating drives drilling rod 2, Also the wind wheel 31 in exhaust fan 30 can be driven to rotate by conveyer belt 51, it can be cyclone dust removal that wind wheel 31, which rotates generated negative pressure, Device 20 provides flow rotation power, and negative pressure is transferred to the dust laden air at smokable hell at dust gathering arrester 10.Work as dust laden air When into cyclone dust collectors 20, air-flow will become circular motion from linear motion, you can form swirling eddy.Swirling eddy it is exhausted Cone flowings largely twist downward along the wall of cyclone dust collectors 20, towards cyclone dust collectors 20.Dusty gas is revolving Centrifugal force is generated during turning, the grit that severe is more than to gas is got rid of to wall.Grit is once contacted with wall, just loses inertia Power and by entrance velocity momentum and downward gravity along wall surface fall, into the ash releasing tube of cyclone dust collectors 20.In spiral shell The downward swirling eddy of shape is revolved when reaching cone, is drawn close to 20 center of cyclone dust collectors due to the contraction of cone-shaped.Work as rotation When air-flow reaches a certain position in cone lower end, you can with same direction of rotation from 20 middle part of cyclone dust collectors, by lower reversion On, continue to make helical flow, and the air outlet through cyclone dust collectors 20 enters exhaust fan 30, the air draft finally through exhaust fan 30 Mouth discharge.
The dust removal integrated plant of drilling of mine jumbo according to the ... of the embodiment of the present invention, by the way that sequentially connected dust is arranged Cover, cyclone dust collectors and exhaust fan, and using the drill carriage motor drive exhaust fan operating for driving rod boring, at dust gathering arrester Dust laden air caused by rod boring is evacuated in cyclone dust collectors and is dusted, and can not only ensure dust removing effects as a result, excellent Change the working environment for work of drilling, improve the safety for work of drilling, additionally it is possible to which the structure for simplifying mine jumbo is bored to improve Flexibility with mine machine and ease of use.
In other embodiments of the invention, exhaust fan 30 can also obtain power indirectly by drill carriage gyrator, i.e., Exhaust fan 30 can be operated using existing any power source on mining-drilling machine, without introducing additional power source, to reach To above-mentioned advantageous effect.
The above-mentioned process being dusted by cyclone dust collectors can effectively remove big grain size dust in dust laden air (such as Diameter is more than 5 μm of coal dust), actually further include that (such as diameter is small for the respirable dust of part small particle in dust laden air In 5 μm of dust).To effectively remove the respirable dust, in one embodiment of the invention, as depicted in figs. 1 and 2, beat It bores dust removal integrated plant and may also include dedusting strainer 60, dedusting strainer 60 may be provided at the exhaust outlet of exhaust fan 30, dedusting The air that strainer 60 can be used for the exhaust outlet discharge to exhaust fan 30 is filtered.
As a result, in the sky that after the secondary purification of the first class purification of cyclone dust collectors and dedusting strainer, can will be fully cleaned up Gas is discharged, and dust removing effects are preferable.
Further, as shown in figure 3, the dust removal integrated plant of drilling of the mine jumbo of the embodiment of the present invention may also include Gearbox 70.The input shaft of gearbox 70 can be by transmission mechanism (including such as conveyer belt and gear, to include passing in Fig. 3 For sending band 51) with drill carriage motor 1 be connected by power is carried out, the output shaft of gearbox 70 can carry out be connected by power with exhaust fan 30, Gearbox 70 can be used for adjusting the rotating speed of exhaust fan 30.By adjusting the rotating speed of exhaust fan 30, can generate different size of negative Pressure and exhausting air quantity remove dust quantity consequently facilitating changing according to the amount for generated dust of drilling.It should be appreciated that due to drill carriage motor 1 is to drive the drilling of drilling rod 2 to carry out work of drilling, and when drill work, the rotating speed of drill carriage motor 1 is usually root It is adjusted according to the speed demand or drilling dynamics demand of drilling rod, and is unsuitable for being adjusted according to the demand except dust quantity. In consideration of it, pumping can be changed when gearbox 70 switches to different gears by gearbox 70 of the setting with multiple gears The rotating speed of wind turbine 30 removes dust quantity to adjust.It, can as a result, by the way that gearbox 70 is arranged in dust removal integrated plant of drilling The dust removal integrated plant of drilling of the mine jumbo of the embodiment of the present invention is set to be suitable for a variety of occasions.
It is further to note that in other embodiments of the invention, cyclone dust collectors 20 can be multiple, multiple whirlwind Deduster 20 is connected in parallel between dust gathering arrester 10 and exhaust fan 30, i.e. the air inlet of each cyclone dust collectors 20 is led by dedusting Pipe is connected with dust gathering arrester 10, and the air outlet of each cyclone dust collectors 20 is connected by dust removal pipe with the inlet scoop of exhaust fan 30 It connects.It is worked at the same time as a result, by multiple cyclone dust collectors 20, dust removing effects can be further increased.
To make mine jumbo rapidly adapt to different application environments, in one embodiment of the invention, above-mentioned dust Cover 10 can be also connected by mobile connection mechanism with the slideway of mine jumbo.Specifically, mobile connection mechanism may include the first rotation The side wall of turntable, the first telescopic rod, the second telescopic rod and the second rotating disk, the round end and dust gathering arrester 10 of the first rotating disk is removable It unloads connected;First telescopic rod is connected by the first bending member with the fixing end of the first rotating disk;Second telescopic rod is curved by second Folding piece is connected with the first telescopic rod;The round end of second rotating disk is connected with the second telescopic rod, the fixing end of the second rotating disk with The slideway of mine jumbo is detachably connected.
As a result, by the rotation of the first rotating disk, the movement of dust gathering arrester 10 can be made to adjust the direction of entering-dust mouth;Pass through first The stretching, extension and contraction of telescopic rod can be such that dust gathering arrester 10 and the first rotating disk is integrally moved along the length direction of the first telescopic rod; By the stretching, extension and contraction of the second telescopic rod, dust gathering arrester 10, the first rotating disk and the first telescopic rod can be made whole along second The length direction movement movement of telescopic rod;By the rotation of the second rotating disk, dust gathering arrester 10, the first rotating disk, first can be made to stretch Contracting bar and the second telescopic rod move integrally.It can change the direction of entering-dust mouth according to the application demand of mine jumbo as a result, and change The form and occupied space size of removable dust shade assembly, enable mine jumbo to rapidly adapt to different application environments.
In another embodiment of the present invention, dust gathering arrester 10 has special shape, and can be threaded through on drilling rod 2.Specifically Ground, dust gathering arrester 10 may include taper outer cover, cylindricality outer cover, taper Internal baffle, the first closeouts and the second closeouts.Wherein, it bores The open top of shape outer cover is matched with cylindricality outer cover one end open, and the sidewall opening of cylindricality outer cover goes out dirt as dust gathering arrester 10 Mouthful, taper outer cover opens up the first notch along element of cone direction;Taper Internal baffle is correspondingly arranged within taper outer cover, in taper Baffle opens up the second notch in the corresponding position with the first notch, is connected by baffle between taper Internal baffle and taper outer cover Axis is attached, and the bottom opening of taper Internal baffle is less than the bottom opening of taper outer cover, in the bottom opening of taper Internal baffle The first suction inlet is formed between the bottom opening of taper outer cover, and at least one second dust suction is opened up on the side wall of taper Internal baffle Mouthful;First closeouts are matched with another end opening of cylindricality outer cover, open up the first drilling rod connector in the first closeouts, and second Closeouts are matched with the open top of taper Internal baffle, and the second drilling rod connector is opened up in the second closeouts.Wherein, mining drill The drilling rod of vehicle passes through the first drilling rod connector, and dust gathering arrester 10 is threaded through on drilling rod 2.
When mine jumbo drill work, drilling internal pressure wind sprays dust out of hole, and in the shadow of air flow in laneway Under sound, dust flow direction is biased to wind direction under air flow in laneway, and dust gathering arrester 10 is arranged in its distinguished and admirable lower wind direction, and windward, dust can lead to notch The first suction inlet and the sucking of the second suction inlet are crossed, and passes through the cavity between taper Internal baffle and taper outer cover, in cylindricality outer cover Cavity, be discharged by dust mouth, can realize better pick-up performance.The shape and ratio of the second suction inlet can in above structure It is designed according to practical application request, can realize good pick-up performance.The first notch and second on dust gathering arrester 10 lack Mouthful, the blocky-shaped particle at the mouth that can make to drill is affected by gravity, and is fallen naturally from indentation, there, and can facilitate work by the notch Dealer observes dust flowing and hole drilling deslagging situation at dust gathering arrester 10.
Corresponding above-described embodiment, the present invention also propose a kind of mine jumbo.
The mine jumbo of the embodiment of the present invention includes the dedusting one of drilling of the mine jumbo of the above embodiment of the present invention proposition Body makeup is set, and specific embodiment can refer to above-described embodiment, and to avoid redundancy, details are not described herein.
Mine jumbo according to the ... of the embodiment of the present invention not only has dedusting function, but also simple in structure, flexibility and use Convenience is higher.
In the description of the present invention, it is to be understood that unless specifically defined or limited otherwise, the meaning of " plurality " is Two or more.The terms such as term " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, it may be It is fixedly connected, may be a detachable connection, or is integral;It can be directly connected, the indirect phase of intermediary can also be passed through Even, can be the interaction relationship of the connection or two elements inside two elements.For those of ordinary skill in the art For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the description of this specification, the description of reference term " one embodiment ", " some embodiments " etc. means to combine The embodiment or example particular features, structures, materials, or characteristics described be contained at least one embodiment of the present invention or In example.In the present specification, a schematic expression of the above terms does not necessarily refer to the same embodiment or example.And And particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples with suitable side Formula combines.In addition, without conflicting with each other, those skilled in the art can will be described in this specification different real The feature for applying example or example and different embodiments or examples is combined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims (6)

1. a kind of dust removal integrated plant of drilling of mine jumbo, which is characterized in that including:
Drilling rod;
Drill carriage motor, the drill carriage motor drive the rod boring to carry out work of drilling in the running;
Dust gathering arrester, the dust gathering arrester correspond to the drilling rod setting;
The air inlet of cyclone dust collectors, the cyclone dust collectors is connected by dust removal pipe with the dust gathering arrester;
The inlet scoop of exhaust fan, the exhaust fan is connected by dust removal pipe with the air outlet of the cyclone dust collectors, described Exhaust fan carries out be connected by power by transmission mechanism and the drill carriage motor,
Wherein, the drill carriage motor drives the exhaust fan to operate in the running, by the rod boring at the dust gathering arrester Generated dust laden air is evacuated in the cyclone dust collectors and is dusted, and by the air after dedusting be evacuated to the exhaust fan with It will pass through the exhaust outlet discharge of the exhaust fan.
2. the dust removal integrated plant of drilling of mine jumbo according to claim 1, which is characterized in that further include:
The input shaft of gearbox, the gearbox carries out be connected by power, the speed change by transmission mechanism and the drill carriage motor The output shaft of case carries out be connected by power with the exhaust fan, and the gearbox is used to adjust the rotating speed of the exhaust fan.
3. the dust removal integrated plant of drilling of mine jumbo according to claim 1 or 2, which is characterized in that further include:
Dedusting strainer, the dedusting strainer are arranged at the exhaust outlet of the exhaust fan, and the dedusting strainer is used for the pumping The air of the exhaust outlet discharge of wind turbine is filtered.
4. the dust removal integrated plant of drilling of mine jumbo according to claim 3, which is characterized in that the cyclone dust removal Device is multiple, and multiple cyclone dust collectors are connected in parallel between the dust gathering arrester and the exhaust fan.
5. the dust removal integrated plant of drilling of mine jumbo according to claim 1 or 2, which is characterized in that the transmission Mechanism includes conveyer belt or gear.
6. a kind of mine jumbo, which is characterized in that including drilling for mine jumbo according to any one of claims 1-5 Dust removal integrated plant.
CN201810071101.6A 2018-01-25 2018-01-25 Mine jumbo and its dust removal integrated plant of drilling Pending CN108561077A (en)

Priority Applications (1)

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CN201810071101.6A CN108561077A (en) 2018-01-25 2018-01-25 Mine jumbo and its dust removal integrated plant of drilling

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CN201810071101.6A CN108561077A (en) 2018-01-25 2018-01-25 Mine jumbo and its dust removal integrated plant of drilling
PCT/CN2018/112282 WO2019144663A1 (en) 2018-01-25 2018-10-29 Mining drill carriage and drilling and dust removal integrated device thereof

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Publication Number Publication Date
CN108561077A true CN108561077A (en) 2018-09-21

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WO (1) WO2019144663A1 (en)

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CN110984854A (en) * 2019-12-24 2020-04-10 许芳艳 Conveniently-moved drilling machine for hydraulic engineering and drilling method thereof
CN110984982A (en) * 2019-12-12 2020-04-10 河南大有能源股份有限公司新安煤矿 Dust removal device for coal mining machine and using method
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WO2019144663A1 (en) * 2018-01-25 2019-08-01 中国矿业大学 Mining drill carriage and drilling and dust removal integrated device thereof
CN110984982A (en) * 2019-12-12 2020-04-10 河南大有能源股份有限公司新安煤矿 Dust removal device for coal mining machine and using method
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CN110984854A (en) * 2019-12-24 2020-04-10 许芳艳 Conveniently-moved drilling machine for hydraulic engineering and drilling method thereof
CN110984854B (en) * 2019-12-24 2021-10-22 许芳艳 Conveniently-moved drilling machine for hydraulic engineering and drilling method thereof
CN111963085A (en) * 2020-08-26 2020-11-20 中国矿业大学 Dust removal device of wind-power slag-discharging hydraulic drill carriage for driving working face

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